/* =========================================================
   MARION AIR SOLUTIONS - STYLESHEET (PRO + ANIMAD0)
   HTML5 + CSS3 puro (sem frameworks)
   ========================================================= */

/* ---------- FONTES LOCAIS ---------- */
@font-face {
  font-family: 'Inter';
  src: url('../assets/fonts/inter-latin.woff2') format('woff2');
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
}
@font-face {
  font-family: 'Poppins';
  src: url('../assets/fonts/poppins-500-latin.woff2') format('woff2');
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: 'Poppins';
  src: url('../assets/fonts/poppins-600-latin.woff2') format('woff2');
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: 'Poppins';
  src: url('../assets/fonts/poppins-700-latin.woff2') format('woff2');
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: 'Poppins';
  src: url('../assets/fonts/poppins-800-latin.woff2') format('woff2');
  font-style: normal;
  font-weight: 800;
  font-display: swap;
}

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
ul, ol { list-style: none; }
a { text-decoration: none; color: inherit; }

/* ---------- VARIÁVEIS ---------- */
:root {
  --color-bg: #05070a;
  --color-bg-alt: #0a0f1a;
  --color-surface: #0e1524;
  --color-surface-alt: #121b2e;
  --color-blue: #00d9ff;
  --color-blue-2: #0072ff;
  --color-white: #f5f8fa;
  --color-silver: #9aa9bb;
  --color-silver-light: #c7d2dd;
  --color-border: rgba(154, 169, 187, 0.15);
  --gradient-primary: linear-gradient(135deg, #00d9ff 0%, #0072ff 100%);
  --gradient-dark: linear-gradient(180deg, #05070a 0%, #0a0f1a 100%);
  --shadow-glow: 0 0 40px rgba(0, 217, 255, 0.25);
  --shadow-elevate: 0 20px 40px rgba(0, 0, 0, 0.45);
  --font-heading: 'Poppins', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
  --header-height: 86px;
  --radius: 16px;
  --transition: 0.35s cubic-bezier(.25,.8,.25,1);
}

body {
  background: var(--color-bg);
  color: var(--color-white);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 24px; }

h1, h2, h3 { font-family: var(--font-heading); font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2.1rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.3rem); }
p { color: var(--color-silver-light); }

section[id] { scroll-margin-top: var(--header-height); }

/* ---------- ÍCONES SVG ---------- */
.i { width: 1.2em; height: 1.2em; display: inline-block; vertical-align: middle; }

/* ---------- ACESSIBILIDADE ---------- */
.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 10000;
  background: var(--color-blue); color: #001018; padding: 12px 20px;
  font-weight: 700; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--color-blue);
  outline-offset: 3px; border-radius: 4px;
}

/* ---------- BARRA DE PROGRESSO DE SCROLL ---------- */
.scroll-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 1001;
  background: transparent;
}
#scroll-progress-bar {
  display: block; height: 100%; width: 0;
  background: var(--gradient-primary);
  box-shadow: 0 0 12px rgba(0,217,255,0.7);
}

/* ---------- UTILITÁRIOS ---------- */
.eyebrow {
  color: var(--color-blue); text-transform: uppercase; letter-spacing: 0.14em;
  font-size: 0.8rem; font-weight: 600; margin-bottom: 12px;
  display: inline-flex; align-items: center;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--gradient-primary); margin-right: 10px; }
.section { padding: clamp(64px, 10vw, 120px) 0; position: relative; }
.section-heading { max-width: 680px; margin: 0 auto 56px; text-align: center; }
.section-heading.left-align { margin-left: 0; text-align: left; }
.section-subtitle { margin-top: 14px; font-size: 1.05rem; }
.grid { display: grid; gap: 28px; }
.grad-text { background: var(--gradient-primary); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- BOTÕES ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 14px 28px; border-radius: 50px; font-weight: 600;
  font-size: 0.95rem; border: 2px solid transparent; cursor: pointer; position: relative;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn-primary { background: var(--gradient-primary); color: #001018; box-shadow: var(--shadow-glow); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 0 55px rgba(0,217,255,0.4); }
.btn-outline { background: transparent; border-color: var(--color-blue); color: var(--color-blue); }
.btn-outline:hover { background: rgba(0, 217, 255, 0.1); transform: translateY(-3px); }
.btn-lg { padding: 16px 34px; font-size: 1rem; }
.btn-xl { padding: 18px 44px; font-size: 1.1rem; }
.btn-shine { overflow: hidden; }
.btn-shine::after {
  content: ""; position: absolute; top: 0; left: -120%; width: 60%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,0.55), transparent);
  transform: skewX(-20deg); transition: left .7s ease;
}
.btn-shine:hover::after { left: 150%; }

/* ---------- IMAGE FRAME ---------- */
.img-frame {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, #0d1626, #060a12);
  border: 1px solid var(--color-border);
}
.img-frame picture { display: block; width: 100%; height: 100%; }
.img-frame img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s ease; }
.img-frame:hover img { transform: scale(1.06); }
.img-frame.is-broken::after {
  content: "🖼  " attr(data-placeholder);
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 1rem; color: var(--color-silver);
  font-size: 0.78rem; letter-spacing: 0.04em; border: 1px dashed var(--color-border);
  background: repeating-linear-gradient(45deg, rgba(255,255,255,.02) 0 10px, transparent 10px 20px);
}

/* =========================================================
   INTRO — FLUXO DE AR
   Mantém a identidade azul, prata e grafite da Marion.
   ========================================================= */
body.intro-active,
body.marion-intro-active {
  overflow: hidden;
  height: 100vh;
  height: 100svh;
  overscroll-behavior: none;
}

#marion-intro {
  --marion-intro-logo-delay: 400ms;
  --marion-intro-logo-duration: 820ms;
  --marion-intro-tagline-delay: 1050ms;
  --marion-intro-tagline-duration: 600ms;
  --marion-intro-exit-duration: 400ms;
  position: fixed;
  inset: 0;
  z-index: 9999;
  width: 100vw;
  height: 100vh;
  height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(ellipse 56% 52% at 76% 28%, rgba(0, 114, 255, 0.15), transparent 72%),
    radial-gradient(ellipse 48% 44% at 18% 78%, rgba(0, 217, 255, 0.075), transparent 72%),
    linear-gradient(135deg, #030609 0%, #07111d 49%, #04080d 100%);
  opacity: 1;
  visibility: visible;
  transform: translate3d(0, 0, 0);
  transition:
    opacity var(--marion-intro-exit-duration) cubic-bezier(.4, 0, .2, 1),
    transform var(--marion-intro-exit-duration) cubic-bezier(.4, 0, .2, 1),
    visibility 0s linear var(--marion-intro-exit-duration);
}

#marion-intro::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255,255,255,0.014) 1px, transparent 1px);
  background-size: 78px 78px;
  mask-image: linear-gradient(135deg, transparent 4%, rgba(0,0,0,.55) 45%, transparent 96%);
  -webkit-mask-image: linear-gradient(135deg, transparent 4%, rgba(0,0,0,.55) 45%, transparent 96%);
}

html.marion-intro-bypassed #marion-intro,
#marion-intro.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate3d(0, -2vh, 0);
}

html.marion-intro-bypassed #marion-intro {
  display: none;
}

#marion-intro.is-leaving {
  opacity: 0;
  pointer-events: none;
  transform: translate3d(0, -2vh, 0);
}

.marion-intro-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.marion-intro-airfield {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.marion-air-flow {
  position: absolute;
  top: var(--marion-air-y);
  left: -26vw;
  width: var(--marion-air-width);
  height: var(--marion-air-height);
  border-top: var(--marion-air-stroke) solid rgba(61, 215, 255, 0.92);
  border-radius: 70% 46% 68% 48%;
  opacity: 0;
  filter: blur(var(--marion-air-blur));
  transform-origin: center;
  will-change: transform, opacity;
  animation: none;
}

/* Variações determinísticas dos fluxos da intro; sem estilos inline. */
.marion-air-flow:nth-child(1) {
  --marion-air-y: 5%;
  --marion-air-width: 22vw;
  --marion-air-height: 30px;
  --marion-air-stroke: 1px;
  --marion-air-duration: 3900ms;
  --marion-air-exit-duration: 3000ms;
  --marion-air-delay: -1250ms;
  --marion-air-opacity: .38;
  --marion-air-drift: 10px;
  --marion-air-end-drift: -8px;
  --marion-air-angle: -4deg;
  --marion-air-blur: .35px;
}
.marion-air-flow:nth-child(2) {
  --marion-air-y: 11%;
  --marion-air-width: 17vw;
  --marion-air-height: 22px;
  --marion-air-stroke: 1px;
  --marion-air-duration: 4600ms;
  --marion-air-exit-duration: 3500ms;
  --marion-air-delay: 90ms;
  --marion-air-opacity: .27;
  --marion-air-drift: -8px;
  --marion-air-end-drift: 12px;
  --marion-air-angle: 3deg;
  --marion-air-blur: .7px;
}
.marion-air-flow:nth-child(3) {
  --marion-air-y: 18%;
  --marion-air-width: 28vw;
  --marion-air-height: 38px;
  --marion-air-stroke: 1.4px;
  --marion-air-duration: 4300ms;
  --marion-air-exit-duration: 3300ms;
  --marion-air-delay: -2400ms;
  --marion-air-opacity: .35;
  --marion-air-drift: 14px;
  --marion-air-end-drift: -12px;
  --marion-air-angle: -2deg;
  --marion-air-blur: .3px;
}
.marion-air-flow:nth-child(4) {
  --marion-air-y: 25%;
  --marion-air-width: 13vw;
  --marion-air-height: 18px;
  --marion-air-stroke: 1px;
  --marion-air-duration: 3600ms;
  --marion-air-exit-duration: 2750ms;
  --marion-air-delay: 240ms;
  --marion-air-opacity: .24;
  --marion-air-drift: -12px;
  --marion-air-end-drift: 6px;
  --marion-air-angle: 5deg;
  --marion-air-blur: .8px;
}
.marion-air-flow:nth-child(5) {
  --marion-air-y: 31%;
  --marion-air-width: 25vw;
  --marion-air-height: 32px;
  --marion-air-stroke: 1.2px;
  --marion-air-duration: 5200ms;
  --marion-air-exit-duration: 3950ms;
  --marion-air-delay: -3350ms;
  --marion-air-opacity: .30;
  --marion-air-drift: 7px;
  --marion-air-end-drift: -14px;
  --marion-air-angle: -5deg;
  --marion-air-blur: .45px;
}
.marion-air-flow:nth-child(6) {
  --marion-air-y: 37%;
  --marion-air-width: 18vw;
  --marion-air-height: 24px;
  --marion-air-stroke: 1px;
  --marion-air-duration: 4000ms;
  --marion-air-exit-duration: 3050ms;
  --marion-air-delay: 430ms;
  --marion-air-opacity: .23;
  --marion-air-drift: 8px;
  --marion-air-end-drift: -5px;
  --marion-air-angle: 2deg;
  --marion-air-blur: .65px;
}
.marion-air-flow:nth-child(7) {
  --marion-air-y: 44%;
  --marion-air-width: 30vw;
  --marion-air-height: 44px;
  --marion-air-stroke: 1.4px;
  --marion-air-duration: 5000ms;
  --marion-air-exit-duration: 3800ms;
  --marion-air-delay: -1650ms;
  --marion-air-opacity: .22;
  --marion-air-drift: -10px;
  --marion-air-end-drift: 16px;
  --marion-air-angle: 1deg;
  --marion-air-blur: .5px;
}
.marion-air-flow:nth-child(8) {
  --marion-air-y: 52%;
  --marion-air-width: 16vw;
  --marion-air-height: 20px;
  --marion-air-stroke: 1px;
  --marion-air-duration: 3700ms;
  --marion-air-exit-duration: 2820ms;
  --marion-air-delay: 580ms;
  --marion-air-opacity: .24;
  --marion-air-drift: 10px;
  --marion-air-end-drift: -8px;
  --marion-air-angle: -3deg;
  --marion-air-blur: .75px;
}
.marion-air-flow:nth-child(9) {
  --marion-air-y: 59%;
  --marion-air-width: 24vw;
  --marion-air-height: 34px;
  --marion-air-stroke: 1.2px;
  --marion-air-duration: 4500ms;
  --marion-air-exit-duration: 3420ms;
  --marion-air-delay: -2850ms;
  --marion-air-opacity: .32;
  --marion-air-drift: -7px;
  --marion-air-end-drift: 11px;
  --marion-air-angle: 4deg;
  --marion-air-blur: .35px;
}
.marion-air-flow:nth-child(10) {
  --marion-air-y: 66%;
  --marion-air-width: 15vw;
  --marion-air-height: 20px;
  --marion-air-stroke: 1px;
  --marion-air-duration: 3400ms;
  --marion-air-exit-duration: 2580ms;
  --marion-air-delay: 110ms;
  --marion-air-opacity: .27;
  --marion-air-drift: 12px;
  --marion-air-end-drift: -9px;
  --marion-air-angle: -5deg;
  --marion-air-blur: .7px;
}
.marion-air-flow:nth-child(11) {
  --marion-air-y: 72%;
  --marion-air-width: 29vw;
  --marion-air-height: 40px;
  --marion-air-stroke: 1.4px;
  --marion-air-duration: 4900ms;
  --marion-air-exit-duration: 3720ms;
  --marion-air-delay: -780ms;
  --marion-air-opacity: .36;
  --marion-air-drift: -13px;
  --marion-air-end-drift: 8px;
  --marion-air-angle: 2deg;
  --marion-air-blur: .3px;
}
.marion-air-flow:nth-child(12) {
  --marion-air-y: 79%;
  --marion-air-width: 19vw;
  --marion-air-height: 25px;
  --marion-air-stroke: 1px;
  --marion-air-duration: 4200ms;
  --marion-air-exit-duration: 3200ms;
  --marion-air-delay: 360ms;
  --marion-air-opacity: .25;
  --marion-air-drift: 9px;
  --marion-air-end-drift: -15px;
  --marion-air-angle: -3deg;
  --marion-air-blur: .6px;
}
.marion-air-flow:nth-child(13) {
  --marion-air-y: 86%;
  --marion-air-width: 26vw;
  --marion-air-height: 36px;
  --marion-air-stroke: 1.2px;
  --marion-air-duration: 5500ms;
  --marion-air-exit-duration: 4180ms;
  --marion-air-delay: -4120ms;
  --marion-air-opacity: .31;
  --marion-air-drift: -9px;
  --marion-air-end-drift: 13px;
  --marion-air-angle: 4deg;
  --marion-air-blur: .4px;
}
.marion-air-flow:nth-child(14) {
  --marion-air-y: 93%;
  --marion-air-width: 14vw;
  --marion-air-height: 18px;
  --marion-air-stroke: 1px;
  --marion-air-duration: 3800ms;
  --marion-air-exit-duration: 2890ms;
  --marion-air-delay: 630ms;
  --marion-air-opacity: .22;
  --marion-air-drift: 8px;
  --marion-air-end-drift: -6px;
  --marion-air-angle: -2deg;
  --marion-air-blur: .8px;
}
.marion-air-flow:nth-child(15) {
  --marion-air-y: 8%;
  --marion-air-width: 12vw;
  --marion-air-height: 17px;
  --marion-air-stroke: 1px;
  --marion-air-duration: 3500ms;
  --marion-air-exit-duration: 2670ms;
  --marion-air-delay: -1850ms;
  --marion-air-opacity: .20;
  --marion-air-drift: -6px;
  --marion-air-end-drift: 10px;
  --marion-air-angle: 5deg;
  --marion-air-blur: .9px;
}
.marion-air-flow:nth-child(16) {
  --marion-air-y: 34%;
  --marion-air-width: 21vw;
  --marion-air-height: 29px;
  --marion-air-stroke: 1px;
  --marion-air-duration: 4700ms;
  --marion-air-exit-duration: 3570ms;
  --marion-air-delay: -940ms;
  --marion-air-opacity: .20;
  --marion-air-drift: -11px;
  --marion-air-end-drift: 7px;
  --marion-air-angle: 3deg;
  --marion-air-blur: .65px;
}
.marion-air-flow:nth-child(17) {
  --marion-air-y: 49%;
  --marion-air-width: 11vw;
  --marion-air-height: 16px;
  --marion-air-stroke: 1px;
  --marion-air-duration: 3300ms;
  --marion-air-exit-duration: 2510ms;
  --marion-air-delay: 300ms;
  --marion-air-opacity: .19;
  --marion-air-drift: 7px;
  --marion-air-end-drift: -4px;
  --marion-air-angle: -4deg;
  --marion-air-blur: 1px;
}
.marion-air-flow:nth-child(18) {
  --marion-air-y: 63%;
  --marion-air-width: 22vw;
  --marion-air-height: 31px;
  --marion-air-stroke: 1.1px;
  --marion-air-duration: 5100ms;
  --marion-air-exit-duration: 3880ms;
  --marion-air-delay: -3720ms;
  --marion-air-opacity: .25;
  --marion-air-drift: 15px;
  --marion-air-end-drift: -10px;
  --marion-air-angle: -1deg;
  --marion-air-blur: .5px;
}
.marion-air-flow:nth-child(19) {
  --marion-air-y: 77%;
  --marion-air-width: 17vw;
  --marion-air-height: 23px;
  --marion-air-stroke: 1px;
  --marion-air-duration: 4100ms;
  --marion-air-exit-duration: 3120ms;
  --marion-air-delay: -2200ms;
  --marion-air-opacity: .22;
  --marion-air-drift: -8px;
  --marion-air-end-drift: 12px;
  --marion-air-angle: 5deg;
  --marion-air-blur: .75px;
}
.marion-air-flow:nth-child(20) {
  --marion-air-y: 90%;
  --marion-air-width: 27vw;
  --marion-air-height: 37px;
  --marion-air-stroke: 1.3px;
  --marion-air-duration: 4800ms;
  --marion-air-exit-duration: 3650ms;
  --marion-air-delay: -460ms;
  --marion-air-opacity: .29;
  --marion-air-drift: 10px;
  --marion-air-end-drift: -13px;
  --marion-air-angle: -4deg;
  --marion-air-blur: .4px;
}

#marion-intro.is-playing .marion-air-flow {
  animation: marion-air-flow var(--marion-air-duration) var(--marion-air-delay) cubic-bezier(.33, .78, .36, 1) infinite both;
}

.marion-air-flow::before,
.marion-air-flow::after {
  content: "";
  position: absolute;
  display: block;
  border-top: 1px solid rgba(173, 238, 255, 0.62);
  border-radius: 70% 46% 68% 48%;
}

.marion-air-flow::before {
  top: 31%;
  left: 14%;
  width: 70%;
  height: 58%;
}

.marion-air-flow::after {
  top: 55%;
  left: 34%;
  width: 45%;
  height: 35%;
  border-top-color: rgba(0, 167, 255, 0.5);
}

#marion-intro.is-leaving .marion-air-flow {
  animation-duration: var(--marion-air-exit-duration);
}

@keyframes marion-air-flow {
  0% {
    opacity: 0;
    transform: translate3d(-10vw, 0, 0) rotate(var(--marion-air-angle));
  }
  15% {
    opacity: var(--marion-air-opacity);
    transform: translate3d(3vw, 0, 0) rotate(var(--marion-air-angle));
  }
  55% {
    opacity: var(--marion-air-opacity);
    transform: translate3d(89vw, var(--marion-air-drift), 0) rotate(var(--marion-air-angle));
  }
  85% {
    opacity: var(--marion-air-opacity);
    transform: translate3d(157vw, var(--marion-air-end-drift), 0) rotate(var(--marion-air-angle));
  }
  100% {
    opacity: 0;
    transform: translate3d(184vw, var(--marion-air-end-drift), 0) rotate(var(--marion-air-angle));
  }
}

.marion-intro-content {
  position: relative;
  z-index: 1;
  width: min(100%, 420px);
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  pointer-events: none;
}

.marion-intro-logo-wrap {
  position: relative;
  width: clamp(230px, 29vw, 360px);
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 24px;
}

.marion-intro-logo-wrap::after {
  content: "";
  position: absolute;
  z-index: 2;
  top: -14%;
  bottom: -14%;
  left: -62%;
  width: 26%;
  opacity: 0;
  pointer-events: none;
  background: linear-gradient(105deg, transparent 8%, rgba(221, 248, 255, 0.2) 50%, transparent 92%);
  transform: skewX(-18deg) translate3d(-240%, 0, 0);
}

.marion-intro-logo-picture {
  display: block;
  width: 100%;
  height: 100%;
}

.marion-intro-logo {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  filter: blur(8px) brightness(.84);
  transform: scale(.92);
  will-change: transform, opacity, filter;
}

#marion-intro.is-playing .marion-intro-logo {
  animation: marion-intro-logo-reveal var(--marion-intro-logo-duration) var(--marion-intro-logo-delay) cubic-bezier(.2, .78, .26, 1) forwards;
}

#marion-intro.is-playing .marion-intro-logo-wrap::after {
  animation: marion-intro-logo-sheen 820ms 1090ms ease-out forwards;
}

@keyframes marion-intro-logo-reveal {
  0% {
    opacity: 0;
    filter: blur(8px) brightness(.84);
    transform: scale(.92);
  }
  72% {
    opacity: 1;
    filter: blur(0) brightness(1);
    transform: scale(1.008);
  }
  100% {
    opacity: 1;
    filter: blur(0) brightness(1);
    transform: scale(1);
  }
}

@keyframes marion-intro-logo-sheen {
  0% { opacity: 0; transform: skewX(-18deg) translate3d(-240%, 0, 0); }
  18% { opacity: .55; }
  76% { opacity: .28; }
  100% { opacity: 0; transform: skewX(-18deg) translate3d(650%, 0, 0); }
}

.marion-intro-tagline {
  margin-top: 17px;
  color: var(--color-silver-light);
  font-family: var(--font-heading);
  font-size: clamp(.67rem, 1.25vw, .82rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: .26em;
  text-transform: uppercase;
  opacity: 0;
  transform: translate3d(0, 10px, 0);
  will-change: transform, opacity;
}

#marion-intro.is-playing .marion-intro-tagline {
  animation: marion-intro-tagline-reveal var(--marion-intro-tagline-duration) var(--marion-intro-tagline-delay) cubic-bezier(.22, .75, .25, 1) forwards;
}

@keyframes marion-intro-tagline-reveal {
  from {
    opacity: 0;
    transform: translate3d(0, 10px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

.marion-intro-skip {
  position: absolute;
  right: clamp(16px, 3vw, 34px);
  bottom: clamp(16px, 3vw, 30px);
  z-index: 2;
  min-height: 34px;
  padding: 7px 12px;
  border: 1px solid rgba(154, 169, 187, .28);
  border-radius: 999px;
  background: rgba(5, 7, 10, .22);
  color: rgba(245, 248, 250, .62);
  font-family: var(--font-body);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  cursor: pointer;
  opacity: .68;
  transition: opacity var(--transition), border-color var(--transition), color var(--transition);
}

.marion-intro-skip:hover,
.marion-intro-skip:focus-visible {
  border-color: rgba(0, 217, 255, .72);
  color: var(--color-white);
  opacity: 1;
}

/* O hero permanece intacto; apenas entra junto da saída da intro. */
.hero-content {
  transition: opacity .62s cubic-bezier(.22, .75, .25, 1), transform .62s cubic-bezier(.22, .75, .25, 1);
}

body.marion-hero-await-intro .hero-content {
  opacity: 0;
  transform: translate3d(0, 15px, 0);
}

@media (max-width: 768px) {
  .marion-intro-logo-wrap { width: min(74vw, 300px); }
  .marion-intro-tagline { margin-top: 14px; letter-spacing: .2em; }
  .marion-air-flow { filter: none; }
  .marion-air-flow:nth-child(n + 15) { display: none; }
}

@media (max-width: 480px) {
  .marion-intro-content { padding: 20px; }
  .marion-intro-logo-wrap { width: min(78vw, 260px); border-radius: 20px; }
  .marion-intro-tagline { font-size: .63rem; letter-spacing: .16em; }
  .marion-air-flow:nth-child(n + 12) { display: none; }
  .marion-intro-skip { font-size: .64rem; }
}

@media (max-height: 580px) {
  .marion-intro-logo-wrap { width: min(42svh, 250px); }
  .marion-intro-tagline { margin-top: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  #marion-intro { display: none !important; }
  body.marion-intro-active { overflow: initial; height: auto; }
  body.marion-hero-await-intro .hero-content { opacity: 1; transform: none; }
}

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  background: rgba(5, 7, 10, 0.55);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.site-header.scrolled {
  background: rgba(5, 7, 10, 0.92);
  border-bottom-color: var(--color-border);
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-height); }

.logo { display: flex; align-items: center; gap: 12px; }
.logo-emblem {
  width: 46px; height: 46px; border-radius: 12px; overflow: hidden; flex-shrink: 0;
  border: 1px solid rgba(0,217,255,0.3); box-shadow: 0 0 18px rgba(0,217,255,0.25);
  background: #060a12; transition: transform var(--transition), box-shadow var(--transition);
}
.logo:hover .logo-emblem { transform: scale(1.06); box-shadow: 0 0 26px rgba(0,217,255,0.45); }
.logo-emblem picture { display: block; width: 100%; height: 100%; }
.logo-emblem img { width: 100%; height: 100%; object-fit: cover; }
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-text strong {
  font-family: var(--font-heading); font-weight: 800; font-size: 1.35rem; letter-spacing: 0.08em;
  background: linear-gradient(180deg, #fff, #9fc0d8); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.logo-text small { color: var(--color-blue); letter-spacing: 0.42em; font-size: 0.6rem; font-weight: 600; margin-top: 4px; }

.main-nav { display: flex; align-items: center; gap: 32px; }
.nav-list { display: flex; gap: 28px; }
.nav-link {
  font-weight: 500; font-size: 0.95rem; color: var(--color-silver-light);
  position: relative; padding: 6px 0; transition: color var(--transition);
}
.nav-link::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--gradient-primary); transition: width var(--transition);
}
.nav-link:hover, .nav-link.is-active { color: var(--color-white); }
.nav-link:hover::after, .nav-link.is-active::after { width: 100%; }
.nav-cta { flex-shrink: 0; }

.hamburger {
  display: none; flex-direction: column; justify-content: space-between;
  width: 30px; height: 22px; background: none; border: none; cursor: pointer; z-index: 950;
}
.hamburger span {
  display: block; height: 2px; width: 100%; background: var(--color-white);
  border-radius: 2px; transition: transform var(--transition), opacity var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(10px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-10px) rotate(-45deg); }

.nav-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 890;
  opacity: 0; visibility: hidden; transition: opacity var(--transition), visibility var(--transition);
}
.nav-overlay.active { opacity: 1; visibility: visible; }

/* =========================================================
   HERO (animado)
   ========================================================= */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  padding-top: var(--header-height); overflow: hidden;
  /* Reserva final: a hero nunca fica preta, mesmo sem vídeo/imagens. */
  background:
    radial-gradient(ellipse at 70% 20%, rgba(0, 114, 255, 0.22), transparent 55%),
    radial-gradient(ellipse at 10% 85%, rgba(0, 217, 255, 0.14), transparent 50%),
    linear-gradient(160deg, #06101c 0%, #0a0f1a 55%, #05070a 100%);
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background-image: url("../assets/images/hero-hvac-room.jpg");
  background-image: image-set(
    url("../assets/images/hero-hvac-room.webp") type("image/webp"),
    url("../assets/images/hero-hvac-room.jpg") type("image/jpeg")
  );
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  transform: scale(1.02);
}
/* vídeo de fundo do hero (animação). A imagem estática em .hero-bg
   continua como reserva: se o vídeo não carregar, ela aparece. */
.hero-video {
  position: absolute; inset: 0; z-index: 0;
  overflow: hidden;
  /* Fundo de reserva: se o vídeo ainda não estiver no lugar,
     a hero mostra um degradê azul-escuro em vez de preto puro. */
  background:
    radial-gradient(ellipse at 70% 30%, rgba(0, 114, 255, 0.25), transparent 55%),
    radial-gradient(ellipse at 15% 80%, rgba(0, 217, 255, 0.15), transparent 50%),
    linear-gradient(160deg, #06101c 0%, #0a0f1a 60%, #05070a 100%);
}
.hero-video video {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.02);
}
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(90deg, rgba(5,7,10,0.95) 0%, rgba(5,7,10,0.72) 45%, rgba(5,7,10,0.5) 100%),
              linear-gradient(180deg, rgba(5,7,10,0.7) 0%, rgba(5,7,10,0.2) 50%, rgba(5,7,10,0.95) 100%);
}

.hero-content {
  position: relative; z-index: 2;
  display: flex; flex-direction: column; align-items: flex-start;
  max-width: 720px;
}
.hero-content h1 { color: var(--color-white); margin-bottom: 20px; }
.hero-subtitle { font-size: 1.15rem; max-width: 560px; margin-bottom: 32px; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 18px; margin-bottom: 40px; }
.trust-list { display: flex; flex-wrap: wrap; gap: 12px 30px; }
.trust-list li { color: var(--color-silver-light); font-size: 0.92rem; display: flex; align-items: center; gap: 8px; }
.trust-list .i { color: var(--color-blue); }

.scroll-indicator {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  width: 28px; height: 44px; border: 2px solid var(--color-border); border-radius: 20px; z-index: 2;
}
.scroll-indicator span {
  position: absolute; top: 8px; left: 50%; transform: translateX(-50%);
  width: 5px; height: 5px; background: var(--color-blue); border-radius: 50%;
  animation: scrollDot 1.6s infinite;
}
@keyframes scrollDot { 0% { opacity: 1; top: 8px; } 100% { opacity: 0; top: 26px; } }

/* =========================================================
   CARDS GERAIS
   ========================================================= */
.card, .why-card, .testimonial-card {
  background: linear-gradient(160deg, var(--color-surface), var(--color-surface-alt));
  border: 1px solid var(--color-border); border-radius: var(--radius);
  padding: 34px 28px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card:hover, .why-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0,217,255,0.4);
  box-shadow: var(--shadow-elevate), 0 0 30px rgba(0,217,255,0.12);
}
.card-icon {
  width: 58px; height: 58px; display: flex; align-items: center; justify-content: center;
  color: var(--color-blue); border-radius: 14px; margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(0,217,255,0.15), rgba(0,114,255,0.05));
  border: 1px solid rgba(0,217,255,0.25);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card-icon .i { font-size: 1.7rem; }
.card:hover .card-icon { transform: rotate(-6deg) scale(1.08); box-shadow: 0 0 22px rgba(0,217,255,0.35); }
.card h3, .why-card h3 { margin-bottom: 12px; color: var(--color-white); }
.services-grid { grid-template-columns: repeat(3, 1fr); }
.why-grid { grid-template-columns: repeat(4, 1fr); }

.tilt { transform-style: preserve-3d; will-change: transform; }

/* =========================================================
   SOBRE
   ========================================================= */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-media { border-radius: var(--radius); aspect-ratio: 4/3.2; }
.about-badge {
  position: absolute; bottom: 18px; left: 18px; z-index: 2;
  background: rgba(5,7,10,0.8); border: 1px solid rgba(0,217,255,0.4);
  backdrop-filter: blur(8px); color: var(--color-white); font-weight: 600;
  padding: 10px 18px; border-radius: 30px; font-size: 0.85rem;
}
.about-text h2 { color: var(--color-white); margin-bottom: 20px; }
.about-text p { margin-bottom: 16px; }
.about-list { margin-top: 24px; display: grid; gap: 14px; }
.about-list li { display: flex; align-items: center; gap: 12px; color: var(--color-silver-light); font-weight: 500; }
.about-list-icon {
  width: 26px; height: 26px; border-radius: 50%; background: var(--gradient-primary);
  color: #001018; display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.about-list-icon .i { font-size: 0.9rem; }

/* =========================================================
   CALCULADORA
   ========================================================= */
.calculator-box {
  max-width: 860px; margin: 0 auto; background: var(--color-surface);
  border: 1px solid var(--color-border); border-radius: 24px; padding: clamp(24px, 4vw, 48px);
  box-shadow: var(--shadow-elevate);
  position: relative; overflow: hidden;
}
.calculator-box::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: var(--gradient-primary);
}
.calculator-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 0.9rem; font-weight: 600; color: var(--color-silver-light); }
.form-group input, .form-group select, .form-group textarea {
  background: var(--color-surface-alt); border: 1px solid var(--color-border);
  border-radius: 10px; padding: 13px 16px; color: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--color-blue); box-shadow: 0 0 0 3px rgba(0,217,255,0.15); outline: none;
}
.form-group input.invalid, .form-group select.invalid, .form-group textarea.invalid { border-color: #ff5470; }
.field-error { color: #ff5470; font-size: 0.8rem; min-height: 1.1em; }
.calc-btn { width: 100%; margin-top: 8px; }

.btu-result {
  margin-top: 36px; padding-top: 32px; border-top: 1px solid var(--color-border);
  text-align: center; animation: fadeInUp .6s ease;
}
.btu-result-label { color: var(--color-silver-light); font-size: 1rem; margin-bottom: 8px; }
.btu-result-value {
  font-family: var(--font-heading); font-size: clamp(2.4rem, 6vw, 3.4rem); font-weight: 800;
  background: var(--gradient-primary); -webkit-background-clip: text; background-clip: text;
  color: transparent; margin-bottom: 14px;
}
.btu-result-note { max-width: 480px; margin: 0 auto 24px; font-size: 0.9rem; }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }

/* =========================================================
   PROCESSO
   ========================================================= */
.process-steps {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; position: relative; counter-reset: step;
}
.process-steps::before {
  content: ""; position: absolute; top: 28px; left: 8%; right: 8%; height: 2px;
  background: linear-gradient(90deg, transparent, rgba(0,217,255,0.4), transparent);
}
.process-step { position: relative; text-align: center; padding: 0 10px; }
.step-number {
  display: inline-flex; align-items: center; justify-content: center;
  width: 56px; height: 56px; border-radius: 50%; margin-bottom: 20px;
  background: var(--color-surface); border: 2px solid var(--color-blue); color: var(--color-blue);
  font-family: var(--font-heading); font-weight: 700; position: relative; z-index: 1; box-shadow: 0 0 25px rgba(0,217,255,0.25);
  transition: transform var(--transition), background var(--transition), color var(--transition);
}
.process-step:hover .step-number { transform: translateY(-5px); background: var(--gradient-primary); color: #001018; }
.process-step h3 { color: var(--color-white); margin-bottom: 8px; font-size: 1.05rem; }
.process-step p { font-size: 0.9rem; }

/* =========================================================
   CTA
   ========================================================= */
.cta-section {
  background: radial-gradient(circle at 50% 0%, rgba(0,217,255,0.14), transparent 60%), var(--color-bg-alt);
  border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border);
}
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; }
.cta-inner h2 { color: var(--color-white); margin-bottom: 18px; }
.cta-inner p { margin-bottom: 32px; font-size: 1.05rem; }

/* =========================================================
   DEPOIMENTOS
   ========================================================= */
.testimonials-grid { grid-template-columns: repeat(3, 1fr); }
.testimonial-card { display: flex; flex-direction: column; gap: 18px; }
.stars { display: flex; gap: 4px; color: #ffc24b; }
.stars .i { font-size: 1rem; }
.testimonial-text { font-style: italic; color: var(--color-silver-light); }
.testimonial-author { display: flex; flex-direction: column; border-top: 1px solid var(--color-border); padding-top: 14px; }
.testimonial-name { color: var(--color-white); font-weight: 700; }
.testimonial-role { font-size: 0.85rem; color: var(--color-blue); }

/* =========================================================
   FAQ
   ========================================================= */
.accordion { max-width: 800px; margin: 0 auto; display: grid; gap: 14px; }
.accordion-item {
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 12px; overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.accordion-item:hover { border-color: rgba(0,217,255,0.3); }
.accordion-header {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 20px 24px; background: none; border: none; text-align: left; cursor: pointer;
  color: var(--color-white); font-weight: 600; font-size: 1rem;
}
.accordion-icon { position: relative; width: 16px; height: 16px; flex-shrink: 0; margin-left: 16px; }
.accordion-icon::before, .accordion-icon::after {
  content: ""; position: absolute; background: var(--color-blue); border-radius: 2px; transition: transform var(--transition);
}
.accordion-icon::before { width: 16px; height: 2px; top: 7px; left: 0; }
.accordion-icon::after { width: 2px; height: 16px; top: 0; left: 7px; }
.accordion-header[aria-expanded="true"] .accordion-icon::after { transform: rotate(90deg); opacity: 0; }
.accordion-panel {
  max-height: 0; overflow: hidden; transition: max-height var(--transition), padding var(--transition);
  padding: 0 24px;
}
.accordion-panel p { padding-bottom: 20px; }

/* =========================================================
   CONTATO
   ========================================================= */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contact-info h2 { color: var(--color-white); margin-bottom: 16px; }
.contact-list { margin-top: 32px; display: grid; gap: 22px; }
.contact-list li { display: flex; gap: 16px; align-items: flex-start; }
.contact-icon {
  width: 46px; height: 46px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(0,217,255,0.15), rgba(0,114,255,0.05));
  border: 1px solid rgba(0,217,255,0.25); color: var(--color-blue); flex-shrink: 0;
  transition: transform var(--transition), box-shadow var(--transition);
}
.contact-icon .i { font-size: 1.2rem; }
.contact-list li:hover .contact-icon { transform: rotate(-6deg) scale(1.08); box-shadow: 0 0 20px rgba(0,217,255,0.3); }
.contact-list a { color: var(--color-blue); }
.contact-form {
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius);
  padding: clamp(24px, 4vw, 40px); display: grid; gap: 18px; height: fit-content;
}
.contact-form .form-group { gap: 8px; }
.form-success { color: #24e2a0; font-weight: 600; text-align: center; }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer { background: var(--color-bg-alt); border-top: 1px solid var(--color-border); padding: 72px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer-logo { margin-bottom: 18px; }
.footer-brand p { max-width: 320px; margin-bottom: 20px; font-size: 0.92rem; }
.footer-social { display: flex; flex-wrap: wrap; gap: 12px; }
.footer-social a {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 18px; border: 1px solid var(--color-border); border-radius: 30px; font-size: 0.85rem;
  transition: border-color var(--transition), color var(--transition), transform var(--transition);
}
.footer-social a:hover { border-color: var(--color-blue); color: var(--color-blue); transform: translateY(-2px); }
.footer-links h3, .footer-contact h3 { color: var(--color-white); font-size: 1rem; margin-bottom: 20px; }
.footer-links ul { display: grid; gap: 12px; }
.footer-links a, .footer-contact p { color: var(--color-silver); font-size: 0.92rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--color-blue); padding-left: 4px; }
.footer-links a { transition: color var(--transition), padding-left var(--transition); }
.footer-contact p { margin-bottom: 10px; }
.footer-bottom {
  border-top: 1px solid var(--color-border); text-align: center; padding: 22px 0;
  font-size: 0.85rem; color: var(--color-silver);
}

/* =========================================================
   WHATSAPP FLOAT
   ========================================================= */
.whatsapp-float {
  position: fixed; bottom: 26px; right: 26px;
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 26px; border-radius: 50px;
  background: #25D366; color: #001018; font-weight: 700; font-size: 1rem;
  box-shadow: 0 8px 24px rgba(37,211,102,0.5); z-index: 800;
  transition: transform var(--transition), box-shadow var(--transition);
  animation: floatPulse 2.4s infinite;
}
.whatsapp-float .i { font-size: 1.6rem; }
.whatsapp-float:hover { transform: translateY(-3px) scale(1.05); }
@keyframes floatPulse { 0%, 100% { box-shadow: 0 8px 24px rgba(37,211,102,0.5); } 50% { box-shadow: 0 8px 34px rgba(37,211,102,0.85); } }

/* =========================================================
   ANIMAÇÕES DE ENTRADA (IntersectionObserver)
   ========================================================= */
[data-animate] { opacity: 0; transition: opacity .7s ease, transform .7s ease; will-change: transform, opacity; }
[data-animate="fade-in"] { transform: translateY(0); }
[data-animate="slide-up"] { transform: translateY(36px); }
[data-animate="slide-left"] { transform: translateX(40px); }
[data-animate="slide-right"] { transform: translateX(-40px); }
[data-animate].is-visible { opacity: 1; transform: translate(0, 0); }
[data-delay="1"] { transition-delay: 0.1s; }
[data-delay="2"] { transition-delay: 0.2s; }
[data-delay="3"] { transition-delay: 0.3s; }
[data-delay="4"] { transition-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* =========================================================
   RESPONSIVIDADE
   ========================================================= */
@media (max-width: 1200px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 1024px) {
  .process-steps { grid-template-columns: repeat(3, 1fr); row-gap: 40px; }
  .process-steps::before { display: none; }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .contact-grid { gap: 40px; }
}

@media (max-width: 900px) {
  .main-nav {
    position: fixed; top: 0; right: 0; height: 100vh; width: min(340px, 82vw);
    background: var(--color-bg-alt); border-left: 1px solid var(--color-border);
    flex-direction: column; align-items: flex-start; justify-content: flex-start;
    padding: 110px 32px 40px; transform: translateX(100%); transition: transform var(--transition);
    z-index: 920; gap: 40px;
  }
  .main-nav.active { transform: translateX(0); }
  .nav-list { flex-direction: column; gap: 24px; width: 100%; }
  .nav-cta { width: 100%; text-align: center; }
  .hamburger { display: flex; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .about-media { order: -1; }
}

@media (max-width: 768px) {
  .services-grid, .why-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .calculator-form .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-buttons { flex-direction: column; align-items: stretch; }
  .hero-buttons .btn { width: 100%; }
  .hero { min-height: auto; padding: 160px 0 80px; }
  .whatsapp-float { padding: 14px 20px; }
  .whatsapp-float span { max-width: 130px; line-height: 1.2; }
}

@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .footer-grid { grid-template-columns: 1fr; }
  .trust-list { flex-direction: column; gap: 8px; }
}

@media (min-width: 1800px) { .container { max-width: 1480px; } }

/* =========================================================
   CONVERSÃO, UX E CAPTURA DE LEADS
   Extensões locais — preservam a identidade visual existente.
   ========================================================= */
.hero-content { max-width: 780px; }
.hero-content h1 { max-width: 760px; }

.service-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.service-card > p:not(.service-benefit) { margin-bottom: 18px; }
.service-benefit {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: auto;
  margin-bottom: 18px;
  color: var(--color-silver-light);
  font-size: .88rem;
  line-height: 1.5;
}
.service-benefit .i { flex: 0 0 auto; margin-top: 2px; color: var(--color-blue); }
.service-cta,
.problem-card > a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 38px;
  color: var(--color-blue);
  font-weight: 700;
  font-size: .9rem;
  transition: color var(--transition), transform var(--transition);
}
.service-cta:hover,
.problem-card > a:hover { color: var(--color-white); transform: translateX(3px); }
.service-cta span,
.problem-card > a span { font-size: 1.15rem; line-height: 1; }

.services-conversion-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  max-width: 980px;
  margin: 48px auto 0;
  padding: clamp(24px, 4vw, 34px);
  border: 1px solid rgba(0, 217, 255, .24);
  border-radius: 18px;
  background: linear-gradient(110deg, rgba(0, 217, 255, .1), rgba(0, 114, 255, .04));
}
.services-conversion-cta .eyebrow { margin-bottom: 7px; }
.services-conversion-cta h3 { color: var(--color-white); margin-bottom: 7px; }
.services-conversion-cta .btn { flex-shrink: 0; }

.problems {
  background: radial-gradient(circle at 80% 15%, rgba(0, 114, 255, .09), transparent 42%), var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.problems-grid { grid-template-columns: repeat(3, 1fr); }
.problem-card {
  min-height: 100%;
  padding: 26px 24px;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: rgba(14, 21, 36, .72);
  transition: border-color var(--transition), transform var(--transition), background var(--transition);
}
.problem-card:hover {
  border-color: rgba(0, 217, 255, .38);
  background: var(--color-surface);
  transform: translateY(-5px);
}
.problem-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  border: 1px solid rgba(0, 217, 255, .24);
  border-radius: 12px;
  color: var(--color-blue);
  background: rgba(0, 217, 255, .08);
}
.problem-icon .i { font-size: 1.35rem; }
.problem-card h3 { margin-bottom: 9px; color: var(--color-white); font-size: 1.05rem; }
.problem-card p { margin-bottom: 14px; font-size: .9rem; line-height: 1.6; }

/* Calculadora em seis passos: uma pergunta por vez reduz abandono. */
.btu-wizard { max-width: 620px; margin: 0 auto; }
.btu-progress-wrap { margin-bottom: 30px; }
.btu-progress {
  display: block;
  width: 100%;
  height: 5px;
  overflow: hidden;
  appearance: none;
  -webkit-appearance: none;
  border: 0;
  border-radius: 999px;
  background: rgba(154, 169, 187, .17);
  color: var(--color-blue);
}
.btu-progress::-webkit-progress-bar {
  border-radius: inherit;
  background: rgba(154, 169, 187, .17);
}
.btu-progress::-webkit-progress-value {
  border-radius: inherit;
  background: var(--gradient-primary);
  box-shadow: 0 0 14px rgba(0, 217, 255, .35);
  transition: width .35s ease;
}
.btu-progress::-moz-progress-bar {
  border-radius: inherit;
  background: var(--gradient-primary);
  box-shadow: 0 0 14px rgba(0, 217, 255, .35);
  transition: width .35s ease;
}
.btu-step-label {
  margin-top: 9px;
  color: var(--color-blue);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.btu-step {
  min-width: 0;
  border: 0;
  padding: 0;
  margin: 0;
}
.btu-step.is-active { display: grid; gap: 16px; animation: btuStepIn .36s ease both; }
.btu-step[hidden] { display: none; }
.btu-step legend {
  width: 100%;
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: clamp(1.2rem, 3vw, 1.45rem);
  font-weight: 700;
  line-height: 1.35;
}
.btu-step-help { margin-top: -7px; font-size: .92rem; }
.btu-step .form-group { max-width: 100%; }
.btu-step .form-group input,
.btu-step .form-group select { min-height: 54px; }
.btu-wizard-actions {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-top: 28px;
}
.btu-wizard-actions #btu-next,
.btu-wizard-actions #btu-submit { margin-left: auto; }
.btu-wizard-actions [hidden] { display: none !important; }
@keyframes btuStepIn { from { opacity: 0; transform: translateY(9px); } to { opacity: 1; transform: translateY(0); } }

.btu-result { max-width: 620px; margin-left: auto; margin-right: auto; }
.btu-lead {
  margin-top: 26px;
  padding: clamp(22px, 3.5vw, 30px);
  border: 1px solid rgba(0, 217, 255, .22);
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(0, 217, 255, .09), rgba(0, 114, 255, .04));
  text-align: left;
}
.btu-lead h3 { margin-bottom: 8px; color: var(--color-white); font-size: 1.16rem; }
.btu-lead > p { margin-bottom: 19px; font-size: .9rem; }
.btu-lead-form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.btu-lead-form .btn { grid-column: 1 / -1; width: 100%; margin-top: 2px; }
.form-privacy {
  color: var(--color-silver);
  font-size: .76rem;
  line-height: 1.5;
}
.btu-lead-form .form-privacy { grid-column: 1 / -1; margin-top: -4px; }
.btu-restart {
  display: block;
  margin: 18px auto 0;
  padding: 6px 4px;
  border: 0;
  background: transparent;
  color: var(--color-silver);
  font-size: .82rem;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}
.btu-restart:hover { color: var(--color-blue); }

.process-cta { display: flex; justify-content: center; margin-top: 46px; }

.faq-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-top: 34px;
  text-align: center;
}
.faq-cta p { color: var(--color-white); font-weight: 600; }

.marion-honeypot {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
}
.contact-form { position: relative; }
.contact-list a { color: var(--color-blue); }
.footer-contact a { color: inherit; transition: color var(--transition); }
.footer-contact a:hover { color: var(--color-blue); }

.mobile-whatsapp-bar { display: none; }

@media (max-width: 1200px) {
  .problems-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .services-conversion-cta { align-items: flex-start; flex-direction: column; }
  .btu-lead-form { grid-template-columns: 1fr; }
  .btu-lead-form .btn { grid-column: auto; }
}

@media (max-width: 768px) {
  /* Hero fornecido, em uma versão proporcional para telas menores. */
  .hero-bg {
    background-image: url("../assets/images/hero-hvac-room-768.webp");
    background-image: image-set(
      url("../assets/images/hero-hvac-room-768.webp") type("image/webp"),
      url("../assets/images/hero-hvac-room.jpg") type("image/jpeg")
    );
  }
  /* Compensa a barra fixa sem ocultar os indicadores do Hero. */
  .hero { padding: 100px 0 150px; }
  .problems-grid { grid-template-columns: 1fr; }
  .problem-card { padding: 24px 22px; }
  .services-conversion-cta .btn { width: 100%; }
  .btu-wizard-actions .btn { min-width: 0; flex: 1; }
  .faq-cta { flex-direction: column; }
  .faq-cta .btn { width: 100%; max-width: 340px; }
  .whatsapp-float { display: none; }
  .mobile-whatsapp-bar {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 850;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    min-height: 66px;
    padding: 13px max(18px, env(safe-area-inset-right)) calc(13px + env(safe-area-inset-bottom)) max(18px, env(safe-area-inset-left));
    background: #25D366;
    color: #001018;
    box-shadow: 0 -8px 24px rgba(2, 18, 24, .36);
    font-size: .9rem;
    font-weight: 800;
    letter-spacing: .03em;
    text-align: center;
    text-transform: uppercase;
  }
  .mobile-whatsapp-bar .i { font-size: 1.38rem; }
  .site-footer { padding-bottom: calc(96px + env(safe-area-inset-bottom)); }
}

@media (max-width: 520px) {
  .hero-buttons .btn { padding: 14px 18px; font-size: .84rem; line-height: 1.3; white-space: normal; }
  .trust-list li { font-size: .86rem; }
  .btu-wizard-actions { gap: 10px; }
  .btu-wizard-actions .btn { padding-right: 16px; padding-left: 16px; }
}

/* Em alturas curtas, preserva os dois CTAs do Hero acima da barra fixa. */
@media (max-width: 768px) and (max-height: 700px) {
  .hero-buttons { gap: 10px; margin-bottom: 30px; }
  .hero-buttons .btn { padding-top: 12px; padding-bottom: 12px; }
}

/* =========================================================
   MÍDIA DE SERVIÇOS, VRF E MARCAS
   Imagens genéricas são identificadas para não sugerirem projetos próprios.
   ========================================================= */
.service-card {
  overflow: hidden;
  isolation: isolate;
}
.service-media {
  position: relative;
  width: calc(100% + 56px);
  margin: -34px -28px 24px;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #0b1322;
}
.service-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 46%, rgba(5, 7, 10, .68) 100%);
}
.service-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .55s cubic-bezier(.25, .8, .25, 1), filter .55s ease;
}
.service-card:hover .service-media img {
  transform: scale(1.055);
  filter: saturate(1.06);
}
.service-media figcaption {
  position: absolute;
  z-index: 1;
  right: 12px;
  bottom: 10px;
  padding: 3px 7px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 999px;
  background: rgba(5, 7, 10, .54);
  color: rgba(245, 248, 250, .84);
  font-size: .65rem;
  line-height: 1.25;
}

.vrf-brands {
  overflow: hidden;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background:
    radial-gradient(circle at 82% 22%, rgba(0, 114, 255, .16), transparent 34%),
    radial-gradient(circle at 14% 78%, rgba(0, 217, 255, .10), transparent 32%),
    var(--color-bg-alt);
}
.vrf-intro {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  max-width: 1040px;
  margin: 0 auto;
}
.vrf-intro > div { max-width: 660px; }
.vrf-intro h2 { margin-bottom: 14px; color: var(--color-white); }
.vrf-intro .btn { flex: 0 0 auto; }
.brands-panel {
  max-width: 1120px;
  margin: 46px auto 0;
  padding: clamp(22px, 4vw, 36px);
  border: 1px solid rgba(0, 217, 255, .20);
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(255,255,255,.045), rgba(0,114,255,.055));
  box-shadow: var(--shadow-elevate);
}
.brands-kicker {
  margin-bottom: 22px;
  color: var(--color-silver-light);
  font-family: var(--font-heading);
  font-size: .96rem;
  font-weight: 600;
  text-align: center;
}
.brand-list {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  align-items: center;
  gap: 14px;
}
.brand-item {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 94px;
  padding: 14px;
  border: 1px solid rgba(12, 30, 52, .14);
  border-radius: 14px;
  background: linear-gradient(145deg, #fff 0%, #e6edf4 100%);
  box-shadow: 0 12px 24px rgba(0,0,0,.20);
  animation: marionBrandFloat 5.6s ease-in-out infinite;
  will-change: transform;
}
.brand-item img {
  width: 100%;
  max-width: 126px;
  max-height: 54px;
  object-fit: contain;
}
.brand-item:nth-child(2) { animation-delay: -.8s; animation-duration: 6.3s; }
.brand-item:nth-child(3) { animation-delay: -2.3s; animation-duration: 5.1s; }
.brand-item:nth-child(4) { animation-delay: -1.4s; animation-duration: 6.6s; }
.brand-item:nth-child(5) { animation-delay: -3.2s; animation-duration: 5.4s; }
.brand-item:nth-child(6) { animation-delay: -2s; animation-duration: 6s; }
@keyframes marionBrandFloat {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50% { transform: translate3d(0, -9px, 0); }
}
.brands-note {
  margin-top: 20px;
  color: var(--color-silver);
  font-size: .76rem;
  text-align: center;
}

/* Uma opção adicional de navegação pede compactação antes do menu virar lateral. */
@media (max-width: 1050px) {
  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    height: 100svh;
    width: min(340px, 82vw);
    padding: 110px 32px 40px;
    overflow-y: auto;
    overscroll-behavior: contain;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 40px;
    border-left: 1px solid var(--color-border);
    background: var(--color-bg-alt);
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 920;
  }
  .main-nav.active { transform: translateX(0); }
  .nav-list { flex-direction: column; gap: 24px; width: 100%; }
  .nav-cta { width: 100%; text-align: center; }
  .hamburger { display: flex; }
}

@media (max-width: 900px) {
  .vrf-intro { align-items: flex-start; flex-direction: column; }
  .brand-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
  .hero-bg {
    /* Desloca a composição para manter o split e o fluxo de ar no recorte vertical. */
    background-position: 73% center;
  }
  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
  .service-card { padding: 18px 14px; border-radius: 14px; }
  .service-media {
    width: calc(100% + 28px);
    margin: -18px -14px 14px;
  }
  .service-media figcaption {
    right: 7px;
    bottom: 7px;
    padding: 2px 5px;
    font-size: .56rem;
  }
  .service-card .card-icon {
    width: 40px;
    height: 40px;
    margin-bottom: 11px;
    border-radius: 11px;
  }
  .service-card .card-icon .i { font-size: 1.25rem; }
  .service-card h3 {
    margin-bottom: 8px;
    font-size: .95rem;
    line-height: 1.28;
  }
  .service-card > p:not(.service-benefit) {
    margin-bottom: 12px;
    font-size: .76rem;
    line-height: 1.52;
  }
  .service-benefit {
    gap: 5px;
    margin-bottom: 11px;
    font-size: .71rem;
    line-height: 1.45;
  }
  .service-benefit .i { margin-top: 1px; }
  .service-cta {
    min-height: 34px;
    gap: 4px;
    font-size: .76rem;
    line-height: 1.32;
    white-space: normal;
  }
  .brands-panel { margin-top: 30px; }
  .brand-item { min-height: 84px; padding: 12px; }
  .brand-item img { max-height: 42px; }
}

@media (max-width: 360px) {
  .services-grid { gap: 10px; }
  .service-card { padding: 15px 11px; }
  .service-media { width: calc(100% + 22px); margin: -15px -11px 12px; }
  .service-card h3 { font-size: .88rem; }
  .service-card > p:not(.service-benefit) { font-size: .72rem; }
  .service-benefit { font-size: .68rem; }
  .service-cta { font-size: .71rem; }
}

@media (prefers-reduced-motion: reduce) {
  .brand-item { animation: none; }
  .service-media img { transition: none; }
}

/* =========================================================
   PÁGINAS DE CONTEÚDO — SEO LOCAL E CONVERSÃO
   Páginas estáticas, com conteúdo educativo e CTAs para visita técnica.
   ========================================================= */
.resource-page .site-header {
  background: rgba(5, 7, 10, .78);
  border-bottom-color: var(--color-border);
}
.resource-page .main-nav .nav-link[aria-current="page"] {
  color: var(--color-white);
}
.resource-page .main-nav .nav-link[aria-current="page"]::after {
  width: 100%;
}
.resource-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--header-height) + clamp(58px, 8vw, 104px)) 0 clamp(60px, 8vw, 104px);
  border-bottom: 1px solid var(--color-border);
  background:
    radial-gradient(circle at 86% 18%, rgba(0, 114, 255, .22), transparent 38%),
    radial-gradient(circle at 8% 92%, rgba(0, 217, 255, .12), transparent 40%),
    var(--gradient-dark);
}
.resource-hero::before,
.resource-hero::after {
  position: absolute;
  z-index: -1;
  content: "";
  pointer-events: none;
}
.resource-hero::before {
  top: -220px;
  right: -110px;
  width: min(46vw, 650px);
  aspect-ratio: 1;
  border: 1px solid rgba(0, 217, 255, .12);
  border-radius: 50%;
  box-shadow: 0 0 0 54px rgba(0, 114, 255, .025), 0 0 0 108px rgba(0, 217, 255, .02);
}
.resource-hero::after {
  right: 2%;
  bottom: 0;
  width: 34%;
  height: 2px;
  background: var(--gradient-primary);
  box-shadow: 0 0 24px rgba(0, 217, 255, .65);
}
.resource-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(310px, .72fr);
  align-items: center;
  gap: clamp(38px, 6vw, 86px);
}
.resource-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 30px;
  color: var(--color-silver);
  font-size: .84rem;
}
.resource-breadcrumb a { color: var(--color-silver-light); }
.resource-breadcrumb a:hover { color: var(--color-blue); }
.resource-breadcrumb span[aria-hidden="true"] { color: var(--color-blue); }
.resource-breadcrumb [aria-current="page"] { color: var(--color-white); }
.resource-hero h1 {
  max-width: 760px;
  margin-bottom: 20px;
  color: var(--color-white);
}
.resource-lead {
  max-width: 670px;
  margin-bottom: 30px;
  font-size: clamp(1rem, 2vw, 1.16rem);
  line-height: 1.75;
}
.resource-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 30px;
}
.resource-actions .btn { min-height: 54px; }
.resource-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 9px 20px;
}
.resource-highlights li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-silver-light);
  font-size: .88rem;
}
.resource-highlights .i { color: var(--color-blue); }
.resource-hero-visual {
  position: relative;
  min-height: 330px;
  overflow: hidden;
  border: 1px solid rgba(0, 217, 255, .25);
  border-radius: 24px;
  background: #09111e;
  box-shadow: var(--shadow-elevate), 0 0 50px rgba(0, 114, 255, .1);
}
.resource-hero-visual::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  background: linear-gradient(140deg, rgba(0, 217, 255, .08), transparent 45%, rgba(5,7,10,.32));
}
.resource-hero-visual picture,
.resource-hero-visual img {
  display: block;
  width: 100%;
  height: 100%;
}
.resource-hero-visual img {
  position: absolute;
  inset: 0;
  object-fit: cover;
}
.resource-hero-visual figcaption {
  position: absolute;
  z-index: 1;
  right: 14px;
  bottom: 13px;
  padding: 4px 9px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 99px;
  background: rgba(5,7,10,.66);
  color: var(--color-silver-light);
  font-size: .7rem;
}
.resource-article-section {
  background: var(--color-bg);
}
.article-layout {
  display: grid;
  grid-template-columns: minmax(200px, .32fr) minmax(0, 1fr);
  align-items: start;
  gap: clamp(40px, 7vw, 96px);
  max-width: 1120px;
}
.article-toc {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  padding: 20px;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  background: rgba(14,21,36,.58);
}
.article-toc strong {
  display: block;
  margin-bottom: 12px;
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: .94rem;
}
.article-toc ul { display: grid; gap: 8px; }
.article-toc a {
  display: block;
  color: var(--color-silver);
  font-size: .84rem;
  line-height: 1.4;
  transition: color var(--transition), transform var(--transition);
}
.article-toc a:hover { color: var(--color-blue); transform: translateX(3px); }
.resource-article { max-width: 760px; }
.resource-article > * + * { margin-top: 22px; }
.resource-article h2,
.resource-article h3 { color: var(--color-white); scroll-margin-top: calc(var(--header-height) + 20px); }
.resource-article h2 { margin-top: 0; font-size: clamp(1.5rem, 3.3vw, 2.15rem); }
.resource-article h3 { margin-top: 32px; font-size: 1.16rem; }
.resource-article p { font-size: 1rem; line-height: 1.8; }
.resource-article p + h2 { margin-top: 52px; }
.article-list {
  display: grid;
  gap: 13px;
  margin: 24px 0;
}
.article-list li {
  position: relative;
  padding: 14px 16px 14px 45px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: linear-gradient(110deg, rgba(0, 217, 255, .055), rgba(18,27,46,.45));
  color: var(--color-silver-light);
  line-height: 1.65;
}
.article-list li::before {
  position: absolute;
  top: 18px;
  left: 17px;
  width: 11px;
  height: 11px;
  content: "";
  border: 2px solid var(--color-blue);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(0,217,255,.45);
}
.article-list strong { color: var(--color-white); }
.article-callout {
  margin: 32px 0;
  padding: clamp(22px, 4vw, 30px);
  border: 1px solid rgba(0, 217, 255, .26);
  border-left: 4px solid var(--color-blue);
  border-radius: 0 16px 16px 0;
  background: linear-gradient(115deg, rgba(0,217,255,.11), rgba(0,114,255,.04));
}
.article-callout h3 { margin-top: 0; }
.article-callout p { font-size: .94rem; }
.article-callout p + p { margin-top: 11px; }
.article-callout a { color: var(--color-blue); text-decoration: underline; text-underline-offset: 3px; }
.article-callout a:hover { color: var(--color-white); }
.resource-inline-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  margin: 42px 0;
  padding: clamp(24px, 4vw, 34px);
  border: 1px solid rgba(0, 217, 255, .26);
  border-radius: 18px;
  background: radial-gradient(circle at 100% 0, rgba(0,114,255,.18), transparent 55%), var(--color-surface);
}
.resource-inline-cta h3 { margin: 0 0 8px; font-size: 1.25rem; }
.resource-inline-cta p { margin: 0; font-size: .9rem; }
.resource-inline-cta .btn { flex: 0 0 auto; }
.resource-faq { margin-top: 58px; }
.resource-faq > h2 { margin-bottom: 22px; }
.resource-faq .accordion { max-width: none; }
.resource-faq .accordion-panel p { font-size: .94rem; }
.article-cta {
  overflow: hidden;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background:
    radial-gradient(circle at 74% 0%, rgba(0,114,255,.25), transparent 46%),
    radial-gradient(circle at 14% 90%, rgba(0,217,255,.12), transparent 44%),
    var(--color-bg-alt);
}
.article-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 38px;
  max-width: 1040px;
  margin: 0 auto;
}
.article-cta-copy { max-width: 640px; }
.article-cta h2 { margin-bottom: 14px; color: var(--color-white); }
.article-cta p { font-size: 1.02rem; }
.article-cta .btn { flex: 0 0 auto; }
.related-section { background: var(--color-bg); }
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 1040px;
  margin: 0 auto;
}
.related-link {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 100%;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: var(--color-surface);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.related-link:hover {
  transform: translateY(-5px);
  border-color: rgba(0,217,255,.4);
  box-shadow: 0 18px 34px rgba(0,0,0,.3);
}
.related-link span { color: var(--color-blue); font-size: .75rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.related-link strong { color: var(--color-white); font-family: var(--font-heading); font-size: 1.05rem; line-height: 1.35; }
.related-link em { margin-top: auto; color: var(--color-silver); font-size: .86rem; font-style: normal; }
.calculator-page .calculator { padding-top: clamp(60px, 9vw, 100px); }
.calculator-page .calculator-box { max-width: 820px; }
.calculator-page .btu-result { max-width: 620px; }

@media (max-width: 900px) {
  .resource-hero-grid,
  .article-layout { grid-template-columns: 1fr; }
  .resource-hero-copy { max-width: 720px; }
  .resource-hero-visual { max-width: 620px; width: 100%; min-height: 300px; }
  .article-toc {
    position: static;
    width: 100%;
  }
  .article-toc ul { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 18px; }
  .article-cta-inner,
  .resource-inline-cta { align-items: flex-start; flex-direction: column; }
  .related-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
  .resource-hero { padding-top: calc(var(--header-height) + 48px); }
  .resource-breadcrumb { margin-bottom: 22px; font-size: .78rem; }
  .resource-hero h1 { font-size: clamp(2rem, 10vw, 2.7rem); }
  .resource-lead { font-size: 1rem; line-height: 1.7; }
  .resource-actions { display: grid; grid-template-columns: 1fr; }
  .resource-actions .btn,
  .resource-inline-cta .btn,
  .article-cta .btn { width: 100%; white-space: normal; text-align: center; }
  .resource-highlights { display: grid; gap: 8px; }
  .resource-hero-visual { min-height: 230px; border-radius: 18px; }
  .article-layout { gap: 30px; }
  .article-toc { padding: 18px; }
  .article-toc ul { grid-template-columns: 1fr; }
  .resource-article p { font-size: .96rem; }
  .resource-article p + h2 { margin-top: 44px; }
  .resource-inline-cta { margin: 32px 0; }
  .article-cta-inner { gap: 24px; }
  .related-grid { grid-template-columns: 1fr; }
  .related-link { padding: 21px; }
}

/* Hub editorial da home: links internos para conteúdos específicos, sem retirar o CTA de orçamento. */
.section-content-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  color: var(--color-blue);
  font-weight: 700;
  transition: color var(--transition), transform var(--transition);
}
.section-content-link:hover { color: var(--color-white); transform: translateX(3px); }
.content-hub {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  max-width: 1120px;
  margin: 24px auto 0;
}
.content-hub > a {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 20px;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: rgba(14, 21, 36, .62);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.content-hub > a:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 217, 255, .4);
  box-shadow: 0 14px 26px rgba(0,0,0,.24);
}
.content-hub span {
  margin-bottom: 7px;
  color: var(--color-blue);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .11em;
  text-transform: uppercase;
}
.content-hub strong { color: var(--color-white); font-family: var(--font-heading); font-size: .96rem; line-height: 1.35; }
.content-hub em { margin-top: 10px; color: var(--color-silver); font-size: .78rem; font-style: normal; line-height: 1.45; }
.vrf-actions {
  display: flex;
  flex: 0 0 auto;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.vrf-content-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--color-blue);
  font-size: .85rem;
  font-weight: 700;
}
.vrf-content-link:hover { color: var(--color-white); }

@media (max-width: 900px) {
  .content-hub { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 768px) {
  .content-hub { grid-template-columns: 1fr; }
  .vrf-actions { align-items: flex-start; width: 100%; }
  .vrf-actions .btn { width: 100%; }
}

/* =========================================================
   SERVIÇOS REALIZADOS (Portfólio)
   ========================================================= */
.realizado {
  background: radial-gradient(circle at 12% 8%, rgba(0, 114, 255, .10), transparent 45%),
              radial-gradient(circle at 90% 30%, rgba(0, 217, 255, .07), transparent 42%),
              var(--color-bg-alt);
}

.realizado-gallery {
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 980px;
  margin: 0 auto;
}

.realizado-item {
  position: relative;
  display: flex;
  flex-direction: column;
  background: linear-gradient(160deg, var(--color-surface), var(--color-surface-alt));
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: zoom-in;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.realizado-item:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 217, 255, 0.4);
  box-shadow: var(--shadow-elevate), 0 0 30px rgba(0, 217, 255, 0.12);
}

.realizado-media {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: #000;
}
.realizado-media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(5, 7, 10, 0.55));
  pointer-events: none;
}
.realizado-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .7s cubic-bezier(.25,.8,.25,1);
}
.realizado-item:hover .realizado-media img { transform: scale(1.05); }

.realizado-item figcaption {
  padding: 22px 22px 26px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.realizado-tag {
  align-self: flex-start;
  font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--color-blue);
  background: rgba(0, 217, 255, 0.12);
  border: 1px solid rgba(0, 217, 255, 0.28);
  padding: 5px 12px; border-radius: 50px;
}
.realizado-item h3 { color: var(--color-white); margin: 0; }
.realizado-item p { color: var(--color-silver); margin: 0; font-size: .95rem; }

/* --- Vídeos --- */
.realizado-videos { margin-top: clamp(40px, 6vw, 72px); }
.realizado-videos-title {
  text-align: center; color: var(--color-white); margin-bottom: 6px;
  font-family: var(--font-heading);
}
.realizado-videos-note {
  text-align: center; color: var(--color-silver); font-size: .92rem;
  max-width: 680px; margin: 0 auto 30px;
}
.realizado-videos-note code { color: var(--color-blue); }
.realizado-video-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; max-width: 980px; margin: 0 auto; }

.video-slot {
  position: relative;
  background: #000;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  box-shadow: var(--shadow-elevate);
}
.video-slot video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0;
}
.video-slot.is-loaded video { opacity: 1; }
.video-slot-empty {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 8px; text-align: center; padding: 20px;
  color: var(--color-silver);
  background:
    repeating-linear-gradient(45deg, rgba(255,255,255,.02) 0 12px, transparent 12px 24px),
    var(--color-bg-alt);
}
.video-slot-empty code { color: var(--color-blue); }
.video-slot-empty strong { color: var(--color-white); }
.video-slot-empty .video-slot-icon {
  width: 46px; height: 46px; display: flex; align-items: center; justify-content: center;
  color: var(--color-blue); font-size: 1.1rem;
  background: linear-gradient(135deg, rgba(0,217,255,.15), rgba(0,114,255,.05));
  border: 1px solid rgba(0,217,255,.28); border-radius: 50%;
  margin-bottom: 4px;
}
.video-slot.is-loaded .video-slot-empty { display: none; }

/* --- Lightbox --- */
.realizado-lightbox {
  position: fixed; inset: 0; z-index: 3000;
  background: rgba(3, 5, 8, 0.92);
  display: none; align-items: center; justify-content: center;
  padding: 24px;
  backdrop-filter: blur(6px);
}
.realizado-lightbox.is-open { display: flex; }
.realizado-lightbox img {
  max-width: min(92vw, 960px);
  max-height: 90vh;
  border-radius: 12px;
  box-shadow: var(--shadow-elevate);
}
.realizado-lightbox-close {
  position: absolute; top: 18px; right: 22px;
  width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-surface); color: var(--color-white);
  font-size: 1.4rem; font-weight: 700; line-height: 1;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.realizado-lightbox-close:hover { border-color: rgba(0, 217, 255, .5); }

/* --- Responsivo --- */
@media (max-width: 768px) {
  .realizado-gallery { grid-template-columns: 1fr; }
  .realizado-video-grid { grid-template-columns: 1fr; }
  .realizado-media { aspect-ratio: 4 / 4.4; }
}

/* --- Galeria completa (masonry) --- */
.realizado-masonry { margin-top: clamp(40px, 6vw, 64px); }
.masonry-head { text-align: center; margin-bottom: 26px; }
.masonry-head h3 { color: var(--color-white); margin-bottom: 6px; font-family: var(--font-heading); }
.masonry-head p { color: var(--color-silver); margin: 0; font-size: .95rem; }

/* Grade uniforme: todos os cards do mesmo tamanho, alinhados e organizados. */
.masonry {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 1fr;
  gap: 22px;
}
.real-item {
  display: flex;
  flex-direction: column;
  background: linear-gradient(160deg, var(--color-surface), var(--color-surface-alt));
  border: 1px solid var(--color-border);
  border-radius: 14px;
  overflow: hidden;
  cursor: zoom-in;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.real-item:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 217, 255, 0.4);
  box-shadow: var(--shadow-elevate), 0 0 26px rgba(0, 217, 255, 0.12);
}
/* Área da imagem com proporção fixa: foto preenche o card sem deformar. */
.real-media {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #0a0f1a;
}
.real-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform .7s cubic-bezier(.25,.8,.25,1);
}
.real-item:hover .real-media img { transform: scale(1.05); }
.real-item figcaption {
  padding: 14px 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}
.real-item .realizado-tag { margin-bottom: 2px; }
.real-item h4 {
  color: var(--color-white);
  margin: 0;
  font-size: .95rem;
  line-height: 1.35;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

@media (max-width: 1000px) { .masonry { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px)  { .masonry { grid-template-columns: 1fr; } }

/* --- Filtros da galeria --- */
.realizado-filters {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;
  margin-top: 18px;
}
.filter-btn {
  padding: 9px 18px; border-radius: 50px; cursor: pointer;
  font-size: .85rem; font-weight: 600; font-family: var(--font-body);
  color: var(--color-silver);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: color var(--transition), border-color var(--transition),
              background var(--transition), box-shadow var(--transition);
}
.filter-btn:hover { color: var(--color-white); border-color: rgba(0,217,255,.45); }
.filter-btn.is-active {
  color: #001018;
  background: var(--gradient-primary);
  border-color: transparent;
  box-shadow: 0 0 22px rgba(0,217,255,.35);
}
@media (max-width: 600px) {
  .filter-btn { padding: 8px 14px; font-size: .8rem; }
}

/* --- Botão "Ver mais" da galeria --- */
.realizado-viewmore { text-align: center; margin-top: 10px; }
.realizado-viewmore .btn { margin-top: 6px; }
.realizado-masonry .realizado-viewmore { margin-top: 34px; }