/* =========================================================
   PURITY TECH — Site Institucional
   Design system: minimalista, tecnológico, premium
   ========================================================= */

:root {
  /* Cores base */
  --white: #ffffff;
  --off-white: #f6f8fb;
  --gray-50: #eef1f6;
  --gray-100: #e2e7ee;
  --gray-200: #cad2dd;
  --gray-400: #7d8797;
  --gray-500: #5a6472;
  --gray-700: #2e3644;
  --ink-900: #0a1628;
  --ink-950: #050912;

  /* Azuis Purity */
  --blue-100: #d7ecff;
  --blue-300: #7bd4f5;   /* água clara luminosa */
  --blue-500: #3b9eff;   /* azul principal */
  --blue-600: #1f7fe6;
  --blue-700: #0e5fbf;
  --blue-glow: rgba(59, 158, 255, 0.35);

  /* Tipografia — Manrope como voz única, luxuosa e refinada */
  --font-display: "Manrope", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-sans: "Manrope", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;

  /* Espaço */
  --nav-h: 72px;
  --container: 1400px;
  --gutter: clamp(20px, 4vw, 48px);

  /* Curva easing padrão */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { background: var(--white); color: var(--ink-900); }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

::selection { background: var(--blue-500); color: var(--white); }

/* ------------------------------------------------------------------
   TIPOGRAFIA
------------------------------------------------------------------ */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue-600);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--blue-500);
}
.dark .eyebrow { color: var(--blue-300); }
.dark .eyebrow::before { background: var(--blue-300); }

.display {
  font-family: var(--font-display);
  font-weight: 200;
  letter-spacing: -0.035em;
  line-height: 1;
  font-style: normal;
}

.h-hero { font-size: clamp(56px, 9.5vw, 138px); font-weight: 200; }
.h-1    { font-size: clamp(40px, 5.8vw, 82px);  font-weight: 300; letter-spacing: -0.03em; }
.h-2    { font-size: clamp(30px, 4.2vw, 58px);  font-weight: 300; letter-spacing: -0.025em; }
.h-3    { font-size: clamp(22px, 2.4vw, 32px);  font-weight: 500; letter-spacing: -0.01em; line-height: 1.15;}

/* remove itálico "desenhado" — usa peso e cor pra hierarquia */
.display em, .cta-final-title em, .metric-value em,
.hero-title em, .tech-card h3 em, .product-title em {
  font-style: normal;
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--blue-600);
}
.dark .display em, .cta-final-title em, .dark .metric-value em,
.hero-title em { color: var(--blue-300); }

.lead {
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.45;
  color: var(--gray-500);
  max-width: 640px;
  font-weight: 400;
}
.dark .lead { color: var(--gray-200); }

.mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

/* ------------------------------------------------------------------
   LAYOUT
------------------------------------------------------------------ */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

section {
  position: relative;
  padding: clamp(80px, 12vw, 160px) 0;
}

.section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: clamp(48px, 6vw, 88px);
  max-width: 900px;
}

/* ------------------------------------------------------------------
   NAV
------------------------------------------------------------------ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  transition: background 0.4s var(--ease-out), border-color 0.4s var(--ease-out), backdrop-filter 0.4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  border-bottom-color: rgba(10, 22, 40, 0.08);
}

.nav-inner {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.logo {
  display: flex;
  align-items: center;
  height: 32px;
}
.logo img {
  height: 30px;
  width: auto;
  filter: brightness(0) invert(1);
  transition: filter 0.4s;
}
.nav.scrolled .logo img { filter: none; }

.nav-links {
  display: flex;
  gap: 34px;
  align-items: center;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.82);
  transition: color 0.3s;
  position: relative;
}
.nav.scrolled .nav-links a { color: var(--gray-500); }
.nav.scrolled .nav-links a:hover { color: var(--ink-900); }
.nav-links a:hover { color: var(--white); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--white);
  color: var(--ink-900);
  font-size: 13px;
  font-weight: 500;
  border: 1px solid rgba(255,255,255,0.15);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s;
}
.nav.scrolled .nav-cta {
  background: var(--ink-900);
  color: var(--white);
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(0,0,0,0.15); }

.nav-toggle { display: none; }

/* ------------------------------------------------------------------
   BOTÕES
------------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 26px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s, background 0.35s, color 0.35s;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}
.btn svg { width: 14px; height: 14px; transition: transform 0.35s var(--ease-out); }
.btn:hover svg { transform: translateX(4px); }

.btn-primary {
  background: var(--white);
  color: var(--ink-900);
  box-shadow: 0 10px 30px -8px rgba(0,0,0,0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px -8px rgba(0,0,0,0.35);
}
.dark-only-primary {
  background: var(--ink-900);
  color: var(--white);
}
.btn-ghost {
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.28);
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.5);
}

.btn-outline {
  color: var(--ink-900);
  border: 1px solid var(--gray-200);
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--ink-900);
  background: var(--ink-900);
  color: var(--white);
}

/* ------------------------------------------------------------------
   HERO
------------------------------------------------------------------ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 720px;
  color: var(--white);
  overflow: hidden;
  padding: 0;
  isolation: isolate;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.hero-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.08) translate3d(0,0,0);
  filter: brightness(0.65) saturate(1.15);
  will-change: transform;
  backface-visibility: hidden;
}

/* Overlay escuro cinematográfico */
.hero-media::after {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(5,9,18,0.55) 0%, rgba(5,9,18,0.25) 30%, rgba(5,9,18,0.4) 60%, rgba(5,9,18,0.95) 100%),
    linear-gradient(90deg, rgba(5,9,18,0.65) 0%, rgba(5,9,18,0.2) 40%, rgba(5,9,18,0.55) 100%),
    radial-gradient(ellipse at 15% 30%, rgba(59,158,255,0.15), transparent 55%);
}

/* Caustics animadas por cima */
.hero-caustics {
  position: absolute; inset: -10%;
  z-index: -1;
  background: url("assets/water-caustics.jpg") center/cover no-repeat;
  mix-blend-mode: overlay;
  opacity: 0.35;
  animation: causticsDrift 30s linear infinite;
  filter: blur(0.5px);
}
@keyframes causticsDrift {
  0%   { transform: translate(0, 0) scale(1.05); }
  50%  { transform: translate(-3%, 2%) scale(1.1); }
  100% { transform: translate(0, 0) scale(1.05); }
}

.hero-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: clamp(80px, 12vh, 140px);
}

.hero-eyebrow {
  color: var(--blue-300);
  margin-bottom: 24px;
  animation: fadeUp 1s var(--ease-out) 0.2s backwards;
}
.hero-eyebrow::before { background: var(--blue-300); }

.hero-title {
  max-width: min(720px, 50vw);
  animation: fadeUp 1.1s var(--ease-out) 0.4s backwards;
  text-shadow: 0 4px 40px rgba(0,0,0,0.5);
  position: relative;
  z-index: 3;
}
.hero-subtitle, .hero-ctas, .hero-eyebrow { position: relative; z-index: 3; max-width: 520px; }
.hero-title { font-size: clamp(48px, 7vw, 108px); }
.hero-title em {
  font-style: italic;
  color: var(--blue-300);
  font-family: var(--font-display);
}

.hero-subtitle {
  margin-top: 28px;
  max-width: 520px;
  color: rgba(255,255,255,0.85);
  animation: fadeUp 1s var(--ease-out) 0.6s backwards;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  margin-top: 40px;
  flex-wrap: wrap;
  animation: fadeUp 1s var(--ease-out) 0.75s backwards;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-meta {
  position: absolute;
  bottom: 32px;
  right: var(--gutter);
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 20px;
  color: rgba(255,255,255,0.55);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.hero-meta .divider { width: 30px; height: 1px; background: rgba(255,255,255,0.3); }
.hero-scroll {
  position: absolute;
  left: var(--gutter);
  bottom: 32px;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
}
.hero-scroll .line {
  width: 40px; height: 1px;
  background: rgba(255,255,255,0.5);
  position: relative; overflow: hidden;
}
.hero-scroll .line::after {
  content: "";
  position: absolute; inset: 0;
  background: var(--white);
  transform: translateX(-100%);
  animation: scrollHint 2.4s ease-in-out infinite;
}
@keyframes scrollHint {
  0% { transform: translateX(-100%); }
  60%, 100% { transform: translateX(100%); }
}

/* Família de geradores 3D no hero */
.hero-family {
  position: absolute;
  right: -2%;
  bottom: 0;
  width: 50%;
  max-width: 900px;
  height: 78%;
  z-index: 1;
  pointer-events: none;
  opacity: 0;
  animation: heroFamilyIn 1.4s var(--ease-out) 0.6s forwards;
}
.hero-family img {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: bottom right;
  /* sombra estática, sem animação por cima pra evitar tremor de repaint */
  filter: drop-shadow(0 30px 40px rgba(0,0,0,0.45));
  transform: translateZ(0);
  backface-visibility: hidden;
}
/* Glow luminoso azul saindo da base dos geradores */
.hero-family::before {
  content: "";
  position: absolute;
  bottom: -10%;
  right: 5%;
  width: 80%;
  height: 40%;
  background: radial-gradient(ellipse at center, rgba(59,158,255,0.35), transparent 65%);
  filter: blur(30px);
  z-index: -1;
}

@keyframes heroFamilyIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Em telas menores esconder ou reposicionar */
@media (max-width: 900px) {
  .hero-family {
    width: 90%;
    right: -15%;
    opacity: 0.35 !important;
    animation: none !important;
  }
}
@media (max-width: 600px) {
  .hero-family { display: none; }
}

/* Partículas subindo (poeira de luz branca, minimalista) */
.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  mix-blend-mode: screen;
  opacity: 0.85;
}

/* Marca-d'água technical grid */
.tech-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  z-index: 1;
  mask-image: linear-gradient(180deg, transparent, black 50%, transparent);
  pointer-events: none;
}

/* ------------------------------------------------------------------
   APLICAÇÕES
------------------------------------------------------------------ */
.apps {
  background: var(--white);
}
.apps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.app-card {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  border-radius: 4px;
  background: var(--ink-900);
  cursor: pointer;
}
.app-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.1s var(--ease-out), filter 0.6s;
  filter: brightness(0.7) saturate(1.1);
}
.app-card:hover img {
  transform: scale(1.08);
  filter: brightness(0.85) saturate(1.2);
}
.app-card::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(5,9,18,0.85) 100%);
  pointer-events: none;
}
.app-card-body {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 24px;
  color: var(--white);
  z-index: 2;
}
.app-card-num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--blue-300);
  opacity: 0.8;
  margin-bottom: 10px;
  display: block;
}
.app-card-title {
  font-family: var(--font-sans);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}
.app-card-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.65);
  opacity: 0;
  max-height: 0;
  transition: opacity 0.5s, max-height 0.5s;
  overflow: hidden;
}
.app-card:hover .app-card-desc {
  opacity: 1;
  max-height: 60px;
}

/* ------------------------------------------------------------------
   TECNOLOGIAS (cards premium)
------------------------------------------------------------------ */
.tech {
  background: var(--off-white);
}
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.tech-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: 16px;
  padding: 40px 34px 34px;
  overflow: hidden;
  transition: transform 0.6s var(--ease-out), box-shadow 0.6s, border-color 0.4s;
  cursor: pointer;
  min-height: 480px;
  display: flex;
  flex-direction: column;
}
.tech-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue-500), transparent);
  opacity: 0;
  transition: opacity 0.5s;
}
.tech-card:hover {
  transform: translateY(-6px);
  border-color: var(--gray-200);
  box-shadow: 0 30px 60px -20px rgba(10,22,40,0.15), 0 0 0 1px rgba(59,158,255,0.08);
}
.tech-card:hover::before { opacity: 1; }

.tech-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}
.tech-card-code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gray-400);
}
.tech-card-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: linear-gradient(145deg, var(--ink-900), var(--ink-950));
  display: flex; align-items: center; justify-content: center;
  color: var(--blue-300);
  position: relative;
}
.tech-card-icon::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: 12px;
  box-shadow: 0 0 20px var(--blue-glow);
  opacity: 0;
  transition: opacity 0.5s;
}
.tech-card:hover .tech-card-icon::after { opacity: 1; }

.tech-card h3 {
  font-family: var(--font-display);
  font-size: 36px;
  line-height: 1.05;
  font-weight: 300;
  margin-bottom: 12px;
  letter-spacing: -0.025em;
}
.tech-card h3 em {
  font-style: normal;
  font-weight: 500;
  color: var(--blue-600);
}
.tech-card p {
  color: var(--gray-500);
  font-size: 15px;
  line-height: 1.55;
  margin-bottom: 28px;
}
.tech-card-specs {
  margin-top: auto;
  padding-top: 22px;
  border-top: 1px solid var(--gray-100);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px 14px;
}
.tech-spec-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 4px;
}
.tech-spec-val {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-900);
}

.tech-card-arrow {
  position: absolute;
  bottom: 30px;
  right: 30px;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--ink-900);
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  transform: translate(6px, 0) rotate(-45deg);
  opacity: 0;
  transition: all 0.4s var(--ease-out);
}
.tech-card:hover .tech-card-arrow {
  opacity: 1;
  transform: translate(0, 0) rotate(-45deg);
}

/* ------------------------------------------------------------------
   COMO FUNCIONA (Diagrama)
------------------------------------------------------------------ */
.system {
  background: var(--ink-950);
  color: var(--white);
  overflow: hidden;
}
.system::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  pointer-events: none;
}
.system-inner {
  position: relative;
  z-index: 1;
}
.system-diagram {
  margin-top: 60px;
  position: relative;
  padding: 60px 0;
}
.diagram-svg {
  width: 100%;
  height: auto;
  max-height: 460px;
}
.diagram-nodes {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: 40px;
  align-items: stretch;
}
.diagram-node {
  padding: 20px 18px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.02);
  border-radius: 10px;
  backdrop-filter: blur(6px);
  position: relative;
  transition: border-color 0.4s, background 0.4s;
}
.diagram-node.active {
  border-color: rgba(123, 212, 245, 0.4);
  background: rgba(59,158,255,0.06);
  box-shadow: 0 0 40px -10px var(--blue-glow);
}
.diagram-node .step {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--blue-300);
  letter-spacing: 0.14em;
  margin-bottom: 8px;
}
.diagram-node .name {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 4px;
}
.diagram-node .desc {
  font-size: 12px;
  color: rgba(255,255,255,0.55);
  line-height: 1.4;
}

.system-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  margin-top: 60px;
  padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.system-legend .item {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
}
.system-legend .swatch {
  width: 10px; height: 10px; border-radius: 50%;
}

/* ------------------------------------------------------------------
   ENGENHARIA
------------------------------------------------------------------ */
.engineering {
  background: var(--white);
}
.eng-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: start;
}
.eng-visual {
  position: relative;
  aspect-ratio: 4/5;
  border-radius: 20px;
  overflow: hidden;
  background: var(--ink-900);
}
.eng-visual img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: brightness(0.85) contrast(1.05);
}
.eng-visual::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(5,9,18,0.7));
}
.eng-visual .badge {
  position: absolute;
  top: 24px; left: 24px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(14px);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: 1px solid rgba(255,255,255,0.2);
}
.eng-visual .caption {
  position: absolute;
  bottom: 24px; left: 24px; right: 24px;
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.75;
  display: flex; justify-content: space-between;
}

.eng-pillars {
  display: flex;
  flex-direction: column;
}
.eng-pillar {
  padding: 30px 0;
  border-top: 1px solid var(--gray-100);
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 24px;
  align-items: start;
}
.eng-pillar:last-child { border-bottom: 1px solid var(--gray-100); }
.eng-pillar .num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gray-400);
  letter-spacing: 0.1em;
  padding-top: 6px;
}
.eng-pillar h4 {
  font-family: var(--font-sans);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}
.eng-pillar p {
  color: var(--gray-500);
  font-size: 15px;
  line-height: 1.55;
}

/* ------------------------------------------------------------------
   MÉTRICAS (números grandes)
------------------------------------------------------------------ */
.metrics {
  background: var(--ink-950);
  color: var(--white);
  padding: clamp(80px, 10vw, 140px) 0;
}
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.metric {
  padding: 50px 30px;
  border-right: 1px solid rgba(255,255,255,0.08);
  position: relative;
  overflow: hidden;
}
.metric:last-child { border-right: none; }
.metric-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 24px;
}
.metric-value {
  font-family: var(--font-display);
  font-size: clamp(52px, 6vw, 84px);
  font-weight: 200;
  line-height: 1;
  letter-spacing: -0.045em;
  margin-bottom: 14px;
  color: var(--white);
}
.metric-value em {
  font-style: normal;
  font-weight: 400;
  color: var(--blue-300);
}
.metric-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  line-height: 1.45;
  max-width: 240px;
}

/* ------------------------------------------------------------------
   PROJETOS
------------------------------------------------------------------ */
.projects {
  background: var(--white);
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 200px;
  gap: 12px;
}
.project {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  cursor: pointer;
  background: var(--ink-900);
}
.project.p1 { grid-column: span 4; grid-row: span 2; }
.project.p2 { grid-column: span 2; grid-row: span 2; }
.project.p3 { grid-column: span 3; grid-row: span 2; }
.project.p4 { grid-column: span 3; grid-row: span 2; }
.project.p5 { grid-column: span 3; grid-row: span 2; }
.project.p6 { grid-column: span 3; grid-row: span 2; }

.project img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.4s var(--ease-out), filter 0.6s;
  filter: brightness(0.85) saturate(1.05);
}
.project:hover img { transform: scale(1.06); filter: brightness(0.95); }

.project::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(5,9,18,0.85));
}
.project-body {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 26px 28px;
  color: var(--white);
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
}
.project-body .meta {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-300);
  opacity: 0.85;
  margin-bottom: 8px;
}
.project-body .title {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.15;
}
.project-body .go {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.14);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.25);
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.4s var(--ease-out), background 0.3s;
  flex-shrink: 0;
}
.project:hover .go {
  background: var(--white);
  color: var(--ink-900);
  transform: translate(4px, -4px);
}

/* ------------------------------------------------------------------
   PRODUTOS (não-marketplace, tech premium)
------------------------------------------------------------------ */
.products {
  background: var(--off-white);
}
.product {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 80px;
  align-items: center;
  padding: clamp(60px, 8vw, 100px) 0;
  border-bottom: 1px solid var(--gray-100);
}
.product:last-child { border-bottom: none; }
.product.reverse { grid-template-columns: 1fr 1.05fr; }
.product.reverse .product-visual { order: 2; }

.product-visual {
  position: relative;
  aspect-ratio: 5/4;
  border-radius: 18px;
  overflow: hidden;
  background: linear-gradient(135deg, #eef1f6, #dde4ed);
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--gray-100);
}
.product-visual img {
  max-width: 78%;
  max-height: 78%;
  object-fit: contain;
  transition: transform 0.8s var(--ease-out);
  filter: drop-shadow(0 30px 40px rgba(10,22,40,0.15));
}
.product:hover .product-visual img { transform: scale(1.04) translateY(-4px); }

.product-visual::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,0.7), transparent 55%),
    radial-gradient(circle at 70% 80%, rgba(59,158,255,0.15), transparent 60%);
  pointer-events: none;
}

/* Variante para fotos reais (do cliente) — sem crop, ocupa todo o card */
.product-visual.product-photo { background: var(--ink-900); }
.product-visual.product-photo::before { display: none; }
.product-visual.product-photo img {
  max-width: 100%;
  max-height: 100%;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: none;
}
.product:hover .product-visual.product-photo img {
  transform: scale(1.05);
}
.product-visual .tag {
  position: absolute;
  top: 20px; left: 20px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--white);
  border: 1px solid var(--gray-100);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-500);
}

.product-code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue-600);
  margin-bottom: 18px;
}
.product-title {
  font-family: var(--font-display);
  font-size: clamp(34px, 3.6vw, 48px);
  line-height: 1.05;
  font-weight: 300;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
}
.product-title em { font-style: normal; font-weight: 500; }
.product-desc {
  color: var(--gray-500);
  font-size: 16px;
  line-height: 1.55;
  margin-bottom: 32px;
  max-width: 480px;
}
.product-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 24px 0;
  border-top: 1px solid var(--gray-100);
  border-bottom: 1px solid var(--gray-100);
  margin-bottom: 32px;
}
.product-spec .label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 6px;
}
.product-spec .val {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-900);
}
.product-application {
  font-size: 13px;
  color: var(--gray-500);
  margin-bottom: 28px;
  display: flex; align-items: center; gap: 8px;
}
.product-application::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--blue-500);
  box-shadow: 0 0 8px var(--blue-glow);
}

/* ------------------------------------------------------------------
   LINEUP — Linha completa de modelos (grid tech)
------------------------------------------------------------------ */
.lineup {
  padding: clamp(50px, 6vw, 80px) 0;
  border-bottom: 1px solid var(--gray-100);
}
.lineup:last-child { border-bottom: none; }

.lineup-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: end;
  margin-bottom: 44px;
}
.lineup-code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue-600);
  margin-bottom: 14px;
}
.lineup-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 3.6vw, 48px);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1.05;
}
.lineup-title em { font-style: normal; font-weight: 500; color: var(--blue-600); }
.lineup-desc {
  color: var(--gray-500);
  font-size: 15px;
  line-height: 1.55;
  max-width: 460px;
  margin-left: auto;
}

.lineup .lineup-grid {
  display: grid !important;
  gap: 12px;
  grid-template-columns: repeat(3, 1fr);
}
.lineup .lineup-grid.ozone { grid-template-columns: repeat(3, 1fr); }
.lineup .lineup-grid.uv    { grid-template-columns: repeat(5, 1fr); }

.model-card {
  position: relative;
  padding: 22px 20px 24px;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: 12px;
  transition: transform 0.5s var(--ease-out), border-color 0.4s, box-shadow 0.5s;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 140px;
}
.model-card:hover {
  transform: translateY(-4px);
  border-color: var(--blue-500);
  box-shadow: 0 20px 40px -20px rgba(59,158,255,0.35);
}
.model-card::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: linear-gradient(90deg, var(--blue-500), var(--blue-300));
  transition: width 0.5s var(--ease-out);
}
.model-card:hover::after { width: 100%; }

.model-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 14px;
}
.model-code {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--gray-400);
}
.model-power {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--blue-600);
  padding: 3px 8px;
  background: rgba(59,158,255,0.08);
  border-radius: 4px;
}
.model-name {
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink-900);
  margin-bottom: 6px;
}
.model-app {
  font-size: 12px;
  color: var(--gray-500);
  line-height: 1.4;
  margin-bottom: 12px;
}
.model-bar {
  margin-top: auto;
  height: 3px;
  background: var(--gray-100);
  border-radius: 2px;
  overflow: hidden;
}
.model-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--blue-500), var(--blue-300));
  border-radius: 2px;
}
.model-card.feat {
  background: linear-gradient(145deg, var(--ink-900), var(--ink-950));
  border-color: transparent;
  color: var(--white);
}
.model-card.feat .model-code { color: rgba(255,255,255,0.5); }
.model-card.feat .model-name { color: var(--white); }
.model-card.feat .model-app  { color: rgba(255,255,255,0.65); }
.model-card.feat .model-power { background: rgba(123,212,245,0.15); color: var(--blue-300); }
.model-card.feat .model-bar { background: rgba(255,255,255,0.1); }
.model-tag {
  position: absolute;
  top: 12px; right: 12px;
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.16em;
  color: var(--blue-300);
  padding: 3px 7px;
  border: 1px solid rgba(123,212,245,0.3);
  border-radius: 3px;
}
.model-card.mini { min-height: 120px; padding: 18px 16px 20px; }
.model-card.mini .model-name { font-size: 15px; }
.model-card.mini .model-app { font-size: 11px; }

.lineup-foot {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 36px;
  padding: 26px 30px;
  background: var(--ink-950);
  border-radius: 14px;
  color: var(--white);
}
.lineup-badge {
  display: flex; align-items: center; gap: 14px;
  color: var(--blue-300);
}
.lineup-badge > div { color: var(--white); }
.lineup-badge-num {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: 2px;
}
.lineup-badge-txt {
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  line-height: 1.35;
}

/* ------------------------------------------------------------------
   Footer locations
------------------------------------------------------------------ */
.footer-locations ul { list-style: none; }
.footer-locations li {
  margin-bottom: 14px;
  line-height: 1.45;
  color: rgba(255,255,255,0.65);
  font-size: 12px;
}
.footer-locations strong {
  color: var(--white);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: -0.005em;
}

/* ------------------------------------------------------------------
   CATÁLOGO (estilo dropshipping) — grid de produtos c/ slot de foto
------------------------------------------------------------------ */
.catalog {
  background: var(--white);
  border-top: 1px solid var(--gray-100);
}
.catalog-family {
  padding-bottom: clamp(60px, 8vw, 100px);
}
.catalog-family:last-child { padding-bottom: 0; }

.catalog-family-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 36px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--gray-100);
}
.catalog-family-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.2vw, 42px);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 8px;
}
.catalog-family-title em { font-style: normal; font-weight: 500; color: var(--blue-600); }
.catalog-family-code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue-600);
  margin-bottom: 12px;
}
.catalog-family-desc {
  font-size: 14px;
  color: var(--gray-500);
  max-width: 380px;
  line-height: 1.5;
  text-align: right;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.catalog-grid.wide { grid-template-columns: repeat(3, 1fr); }

.catalog-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: 14px;
  overflow: hidden;
  transition: transform 0.5s var(--ease-out), border-color 0.4s, box-shadow 0.5s;
  display: flex;
  flex-direction: column;
}
.catalog-card:hover {
  transform: translateY(-4px);
  border-color: var(--blue-500);
  box-shadow: 0 26px 50px -24px rgba(10,22,40,0.2), 0 0 0 1px rgba(59,158,255,0.1);
}

/* Slot de foto — o cliente arrasta a foto real aqui */
.catalog-photo {
  position: relative;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #f6f8fb 0%, #eef1f6 100%);
  border-bottom: 1px solid var(--gray-100);
  overflow: hidden;
}
.catalog-photo image-slot {
  display: block;
  width: 100%;
  height: 100%;
}
.catalog-photo.filled { background: #fff; }
.catalog-photo.filled::before,
.catalog-photo.filled::after { display: none; }
.catalog-photo.filled img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out);
}
.catalog-card:hover .catalog-photo.filled img { transform: scale(1.04); }
/* Grid técnico decorativo no slot vazio */
.catalog-photo::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(10,22,40,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10,22,40,0.04) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
  z-index: 0;
}
.catalog-photo::after {
  content: "";
  position: absolute;
  top: 12px; left: 12px;
  width: 22px; height: 22px;
  border-left: 1px solid var(--gray-200);
  border-top: 1px solid var(--gray-200);
  pointer-events: none;
  z-index: 1;
}

.catalog-card-body {
  padding: 20px 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}
.catalog-card-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}
.catalog-sku {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--gray-400);
}
.catalog-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--blue-600);
  padding: 3px 8px;
  background: rgba(59,158,255,0.08);
  border-radius: 4px;
  white-space: nowrap;
}
.catalog-card-name {
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--ink-900);
  line-height: 1.2;
}
.catalog-card-sub {
  font-size: 13px;
  color: var(--gray-500);
  line-height: 1.45;
}
.catalog-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--gray-100);
}
.catalog-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--off-white);
  border: 1px solid var(--gray-100);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--gray-500);
}
.catalog-chip.pri {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--blue-300);
}

.catalog-card-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: var(--off-white);
  border-top: 1px solid var(--gray-100);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-900);
  transition: background 0.3s, color 0.3s;
}
.catalog-card:hover .catalog-card-cta {
  background: var(--ink-900);
  color: var(--white);
}
.catalog-card-cta svg { transition: transform 0.35s var(--ease-out); }
.catalog-card:hover .catalog-card-cta svg { transform: translateX(4px); }

@media (max-width: 1024px) {
  .catalog-grid { grid-template-columns: repeat(3, 1fr); }
  .catalog-grid.wide { grid-template-columns: repeat(2, 1fr); }
  .catalog-family-head { flex-direction: column; align-items: flex-start; gap: 16px; }
  .catalog-family-desc { text-align: left; max-width: none; }
}
@media (max-width: 640px) {
  .catalog-grid, .catalog-grid.wide { grid-template-columns: 1fr; }
}

/* ------------------------------------------------------------------
   CTA FINAL
------------------------------------------------------------------ */
.cta-final {
  position: relative;
  background: var(--ink-950);
  color: var(--white);
  overflow: hidden;
  padding: clamp(120px, 18vw, 220px) 0;
}
.cta-final::before {
  content: "";
  position: absolute;
  inset: -30% -10% auto -10%;
  height: 100%;
  background: radial-gradient(ellipse at 50% 40%, rgba(59,158,255,0.35), transparent 55%);
  filter: blur(30px);
  pointer-events: none;
}
.cta-final::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, black, transparent 70%);
  pointer-events: none;
}
.cta-final-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}
.cta-final .eyebrow {
  justify-content: center;
  color: var(--blue-300);
  margin-bottom: 30px;
}
.cta-final .eyebrow::before { background: var(--blue-300); }
.cta-final-title {
  font-family: var(--font-display);
  font-size: clamp(46px, 7.2vw, 96px);
  line-height: 1;
  letter-spacing: -0.04em;
  font-weight: 200;
  margin-bottom: 30px;
}
.cta-final-title em { font-style: normal; font-weight: 400; color: var(--blue-300); }
.cta-final-sub {
  font-size: clamp(17px, 1.6vw, 20px);
  color: rgba(255,255,255,0.75);
  max-width: 620px;
  margin: 0 auto 44px;
  line-height: 1.5;
}
.cta-final .btn-primary {
  padding: 20px 34px;
  font-size: 15px;
}

/* ------------------------------------------------------------------
   FOOTER
------------------------------------------------------------------ */
.footer {
  background: var(--ink-950);
  color: rgba(255,255,255,0.6);
  padding: 60px 0 40px;
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 13px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer h5 {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 18px;
  font-weight: 500;
}
.footer ul { list-style: none; }
.footer li { margin-bottom: 10px; }
.footer a { color: rgba(255,255,255,0.8); transition: color 0.3s; }
.footer a:hover { color: var(--blue-300); }
.footer-brand p {
  margin-top: 16px;
  max-width: 320px;
  line-height: 1.55;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 30px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.4);
}

/* ------------------------------------------------------------------
   Scroll reveal utilitário
------------------------------------------------------------------ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}
.reveal[data-delay="1"] { transition-delay: 0.1s; }
.reveal[data-delay="2"] { transition-delay: 0.2s; }
.reveal[data-delay="3"] { transition-delay: 0.3s; }
.reveal[data-delay="4"] { transition-delay: 0.4s; }

/* ------------------------------------------------------------------
   RESPONSIVO
------------------------------------------------------------------ */
@media (max-width: 1024px) {
  .apps-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-grid { grid-template-columns: 1fr; }
  .eng-grid { grid-template-columns: 1fr; gap: 60px; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .lineup-head { grid-template-columns: 1fr; gap: 20px; }
  .lineup-desc { margin-left: 0; }
  .lineup .lineup-grid.ozone { grid-template-columns: repeat(2, 1fr); }
  .lineup .lineup-grid.uv    { grid-template-columns: repeat(3, 1fr); }
  .lineup-foot { grid-template-columns: 1fr; }
  .metric { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .metric:nth-child(2n) { border-right: none; }
  .metric:nth-last-child(-n+2) { border-bottom: none; }
  .product, .product.reverse { grid-template-columns: 1fr; gap: 50px; }
  .product.reverse .product-visual { order: 0; }
  .projects-grid { grid-template-columns: 1fr; grid-auto-rows: 280px; }
  .project.p1, .project.p2, .project.p3, .project.p4, .project.p5, .project.p6 { grid-column: span 1; grid-row: span 1; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 40px; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .diagram-nodes { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .apps-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .hero-meta { display: none; }
  .metrics-grid { grid-template-columns: 1fr; }
  .metric { border-bottom: 1px solid rgba(255,255,255,0.08); }
  .metric:last-child { border-bottom: none; }
  .product-specs { grid-template-columns: repeat(2, 1fr); }
  .tech-card { min-height: auto; }
  .diagram-nodes { grid-template-columns: 1fr; }
  .lineup .lineup-grid.ozone, .lineup .lineup-grid.uv { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .hero-media img { animation: none; }
}