/* ============================================================
   iShark — Design System (site institucional)
   Fonte da verdade: ds-viewer/clientes/ishark/DESIGN.md
   Dark-first: petróleo profundo + ciano de assinatura.
   ============================================================ */

:root {
  /* Neutrals (dark-first — preto dominante + azul escuro) */
  --ink-deep:  #05080B;   /* fundo dominante (quase preto) */
  --ink-soft:  #0B1723;   /* card / superfície elevada (azul escuro) */
  --ink-mid:   #0E2233;   /* blocos intermediários (azul escuro) */
  --ink-line:  #17323F;   /* divisórias sutis */
  --ink-black: #04070A;   /* preto puro premium (footer / faixas) */
  --paper-warm:#F5F5F7;   /* off-white Apple */
  --paper-cool:#FFFFFF;

  /* Brand */
  --primary:      #1F9CBD;
  --primary-soft: #55C7E1;  /* ciano de assinatura */
  --primary-deep: #00617D;
  --accent:       #55C7E1;

  /* Texto sobre dark */
  --text:      #EAF4F8;
  --text-soft: #B3C7D0;
  --text-mute: #7E95A0;
  /* Texto sobre light */
  --text-dark:      #000000;
  --text-dark-soft: #6E6E73;

  /* Semantic */
  --success: #0E8C7A;
  --warning: #A8650F;
  --error:   #C13350;

  /* Bordas no dark */
  --border:        rgba(85,199,225,0.14);
  --border-strong: rgba(85,199,225,0.26);

  /* Spacing (escala 8px) */
  --s1: 4px;  --s2: 8px;  --s3: 12px; --s4: 16px; --s5: 24px;
  --s6: 32px; --s7: 48px; --s8: 64px; --s9: 96px; --s10: 128px;

  /* Rounded */
  --r-sm: 8px; --r-md: 16px; --r-lg: 24px; --r-full: 9999px;

  /* Tipografia */
  --font: 'SF Pro Display', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* Layout */
  --maxw: 1200px;
  --nav-h: 72px;

  /* Glow ciano de assinatura */
  --glow: 0 0 60px rgba(85,199,225,0.25);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text);
  background: var(--ink-deep);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---------- Tipografia ---------- */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.05; letter-spacing: -0.03em; color: var(--text); }
h1 { font-size: clamp(2.4rem, 6vw, 4.5rem); line-height: 0.95; letter-spacing: -0.045em; }
h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.75rem); }
p  { color: var(--text-soft); font-size: 1.0625rem; }
.lead { font-size: clamp(1.1rem, 2vw, 1.375rem); color: var(--text-soft); line-height: 1.5; }

.kicker {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-block;
  margin-bottom: var(--s4);
}

.accent { color: var(--accent); }
.text-mute { color: var(--text-mute); }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--s5); }
.section { padding-block: clamp(var(--s8), 10vw, var(--s10)); }
.section--soft { background: var(--ink-soft); }
.section--mid  { background: var(--ink-mid); }
.center { text-align: center; }
.mx-auto { margin-inline: auto; }
.maxw-720 { max-width: 720px; }
.maxw-820 { max-width: 820px; }

.grid { display: grid; gap: var(--s5); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: rgba(5,8,11,0.78);
  backdrop-filter: saturate(160%) blur(18px);
  -webkit-backdrop-filter: saturate(160%) blur(18px);
  border-bottom: 1px solid var(--border);
}
.nav .container { display: flex; align-items: center; justify-content: space-between; }
.nav__logo { display: flex; align-items: center; gap: var(--s3); font-weight: 700; letter-spacing: -0.02em; }
.nav__logo img { height: 40px; width: 40px; object-fit: contain; }
.nav__links { display: flex; align-items: center; gap: var(--s6); }
.nav__links a:not(.btn) { color: var(--text-soft); font-size: 0.95rem; font-weight: 500; transition: color .2s; }
.nav__links a:not(.btn):hover, .nav__links a:not(.btn)[aria-current="page"] { color: var(--text); }
.nav__toggle { display: none; background: none; border: 0; color: var(--text); cursor: pointer; }
@media (max-width: 860px) {
  .nav__links {
    position: fixed; inset: var(--nav-h) 0 auto 0;
    flex-direction: column; gap: 0;
    background: var(--ink-soft); border-bottom: 1px solid var(--border);
    padding: var(--s3) var(--s5) var(--s5);
    transform: translateY(-120%); transition: transform .28s ease;
  }
  .nav__links[data-open="true"] { transform: translateY(0); }
  .nav__links a { padding-block: var(--s4); width: 100%; border-bottom: 1px solid var(--border); }
  .nav__links .btn { margin-top: var(--s4); }
  .nav__toggle { display: block; }
}

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s2);
  font-family: var(--font); font-weight: 700; font-size: 1rem;
  padding: var(--s3) var(--s6);
  border-radius: var(--r-full); border: 0; cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
  white-space: nowrap;
}
.btn--primary { background: var(--accent); color: var(--ink-black); font-weight: 700; }
.btn--primary:hover { transform: translateY(-2px); box-shadow: var(--glow); }
.btn--ghost { background: transparent; color: var(--text); border: 1px solid var(--border-strong); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn--lg { font-size: 1.0625rem; padding: var(--s4) var(--s7); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding-block: clamp(var(--s8), 12vw, 150px);
  background: var(--ink-deep);
}
/* ===== Hero em vídeo (Apple-style, cinematográfico multicamada) ===== */
.hero--video {
  position: relative; overflow: hidden;
  min-height: min(94vh, 900px);
  display: flex; align-items: center;
  padding-block: clamp(var(--s8), 10vw, 150px);
}
/* Camada de mídia (recebe o parallax de scroll via JS) */
.hero__media { position: absolute; top: -7%; left: 0; right: 0; height: 114%; z-index: 0; overflow: hidden; will-change: transform; }
.hero__video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: 68% 42%;
  transform: scale(1.06); transform-origin: 66% 42%;
  animation: heroZoom 26s ease-in-out infinite alternate;
  will-change: transform;
}
@keyframes heroZoom { from { transform: scale(1.05); } to { transform: scale(1.17); } }

/* Luz ciano que segue o mouse */
.hero__glow {
  position: absolute; inset: -25%; z-index: 1; pointer-events: none;
  background: radial-gradient(380px 380px at var(--mx, 68%) var(--my, 40%),
    rgba(85,199,225,0.24), rgba(85,199,225,0.07) 42%, transparent 68%);
  mix-blend-mode: screen; opacity: .9;
}
/* Overlay de legibilidade (texto à esquerda) */
.hero__overlay {
  position: absolute; inset: 0; z-index: 2;
  background:
    linear-gradient(90deg, rgba(5,8,11,0.96) 0%, rgba(5,8,11,0.82) 40%, rgba(5,8,11,0.36) 70%, rgba(5,8,11,0.12) 100%),
    linear-gradient(0deg, var(--ink-deep) 1%, transparent 36%);
}
/* Vinheta cinematográfica */
.hero__vignette {
  position: absolute; inset: 0; z-index: 3; pointer-events: none;
  background: radial-gradient(125% 135% at 62% 45%, transparent 50%, rgba(0,0,0,0.52) 100%);
}
/* Grão de filme sutil */
.hero__grain {
  position: absolute; inset: -50px; z-index: 4; pointer-events: none;
  opacity: .045; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 140px 140px;
  animation: heroGrain 1.1s steps(4) infinite;
}
@keyframes heroGrain {
  0%{transform:translate(0,0)} 25%{transform:translate(-6px,4px)}
  50%{transform:translate(5px,-5px)} 75%{transform:translate(-4px,-3px)} 100%{transform:translate(0,0)}
}

.hero--video .hero__grid { position: relative; z-index: 5; will-change: transform; }
.hero__grid--solo { grid-template-columns: 1fr; }
.hero__grid--solo .hero__inner { max-width: 660px; }

/* Entrada animada (stagger) */
.hero-in { opacity: 0; animation: heroIn .95s cubic-bezier(.2,.75,.2,1) both; }
.hero__inner .hero-in:nth-child(1){ animation-delay:.15s }
.hero__inner .hero-in:nth-child(2){ animation-delay:.30s }
.hero__inner .hero-in:nth-child(3){ animation-delay:.46s }
.hero__inner .hero-in:nth-child(4){ animation-delay:.64s }
.hero__scroll.hero-in{ animation-delay:1.05s }
@keyframes heroIn {
  from { opacity:0; transform: translateY(30px); filter: blur(9px); }
  to   { opacity:1; transform: none; filter: none; }
}

/* Indicador de scroll */
.hero__scroll {
  position: absolute; left: 50%; bottom: 24px; transform: translateX(-50%);
  z-index: 6; width: 26px; height: 42px; border: 2px solid rgba(255,255,255,0.35);
  border-radius: 14px; display: grid; justify-items: center; padding-top: 7px;
  transition: opacity .3s ease;
}
.hero__scroll:hover { border-color: var(--cyan); }
.hero__scroll-dot {
  width: 4px; height: 8px; border-radius: 3px; background: var(--cyan);
  animation: heroScroll 1.7s cubic-bezier(.6,.2,.2,1) infinite;
}
@keyframes heroScroll { 0%{transform:translateY(0);opacity:1} 70%{transform:translateY(13px);opacity:0} 100%{opacity:0} }

@media (max-width: 880px) {
  .hero--video { min-height: 88vh; }
  .hero__video { object-position: 60% 40%; }
  .hero__overlay {
    background:
      linear-gradient(90deg, rgba(5,8,11,0.94) 0%, rgba(5,8,11,0.74) 55%, rgba(5,8,11,0.44) 100%),
      linear-gradient(0deg, var(--ink-deep) 3%, transparent 46%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__video, .hero__grain { animation: none; }
  .hero-in { opacity: 1; animation: none; }
  .hero__scroll-dot { animation: none; }
}

.hero__bg { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.blob { position: absolute; border-radius: 50%; filter: blur(70px); will-change: transform; }
.blob--1 { width: 460px; height: 460px; background: rgba(85,199,225,0.20); top: -120px; right: 4%; }
.blob--2 { width: 400px; height: 400px; background: rgba(31,156,189,0.16); bottom: -160px; left: -80px; }
.blob--3 { width: 300px; height: 300px; background: rgba(0,97,125,0.20); top: 30%; left: 40%; }

.hero__grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.15fr 0.85fr; align-items: center; gap: var(--s7);
}
.hero__inner { max-width: 620px; }
.hero h1 { margin-bottom: var(--s5); }
.hero .lead { margin-bottom: var(--s7); }
.hero__cta { display: flex; gap: var(--s4); flex-wrap: wrap; }

/* iPhone 3D (pseudo-3D com perspectiva + tilt no mouse) */
.hero__visual { perspective: 1300px; display: grid; place-items: center; }
.phone3d {
  transform: rotateX(var(--rx, -6deg)) rotateY(var(--ry, 16deg));
  transition: transform .25s cubic-bezier(.2,.7,.2,1);
  transform-style: preserve-3d; will-change: transform;
}
.phone3d__body {
  width: 268px; height: 552px; border-radius: 46px; padding: 13px; position: relative;
  background: linear-gradient(155deg, #0a3040, #001621 70%);
  border: 1px solid var(--border-strong);
  box-shadow: 0 50px 90px rgba(0,0,0,0.55), 0 0 80px rgba(85,199,225,0.18);
  animation: floaty 6.5s ease-in-out infinite;
}
.phone3d__screen {
  width: 100%; height: 100%; border-radius: 34px; overflow: hidden;
  background:
    radial-gradient(120% 70% at 50% 0%, rgba(85,199,225,0.38), transparent 60%),
    linear-gradient(180deg, #012B3D, #001621);
  display: grid; place-items: center;
}
.phone3d__screen img { width: 52%; opacity: 0.95; filter: drop-shadow(0 6px 26px rgba(85,199,225,0.45)); }
.phone3d__island {
  position: absolute; top: 26px; left: 50%; transform: translateX(-50%);
  width: 92px; height: 27px; background: #000; border-radius: 15px; z-index: 2;
}
.phone3d__glare {
  position: absolute; inset: 13px; border-radius: 34px; pointer-events: none;
  background: linear-gradient(135deg, rgba(255,255,255,0.14), transparent 40%);
}
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-16px); } }

/* iPhone real (imagem) no hero — fileira com base esmaecida */
.hero-phones {
  width: 100%; max-width: 540px; margin-inline: auto; display: block;
  filter: drop-shadow(0 34px 60px rgba(0,0,0,0.55)) drop-shadow(0 0 55px rgba(85,199,225,0.16));
  -webkit-mask-image: linear-gradient(180deg, #000 68%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 68%, transparent 100%);
  animation: floaty 6.5s ease-in-out infinite;
}
@media (max-width: 880px) { .hero-phones { max-width: 420px; } }

@media (max-width: 880px) {
  .hero__grid { grid-template-columns: 1fr; gap: var(--s6); }
  .hero__visual { order: -1; }
  .phone3d__body { width: 210px; height: 434px; }
}

/* ---------- Scroll reveal (aplicado via JS; sem JS nada fica escondido) ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Seção com vídeo de fundo sutil ---------- */
.section--bgvideo { position: relative; overflow: hidden; background: var(--ink-deep); }
.section-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.section-bg__video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: center 48%;
  opacity: 0.30;
  -webkit-mask-image: radial-gradient(80% 96% at 50% 50%, #000 24%, transparent 78%);
          mask-image: radial-gradient(80% 96% at 50% 50%, #000 24%, transparent 78%);
  animation: bgFloat 18s ease-in-out infinite alternate;
  will-change: transform;
}
@keyframes bgFloat { from { transform: scale(1.04) translateY(0); } to { transform: scale(1.12) translateY(-14px); } }
.section-bg__scrim {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, var(--ink-deep) 0%, transparent 24%, transparent 76%, var(--ink-deep) 100%);
}
.section--bgvideo > .container { position: relative; z-index: 1; }
@media (prefers-reduced-motion: reduce) { .section-bg__video { animation: none; } }

/* ---------- Cards ---------- */
.card {
  position: relative; overflow: hidden;
  background: var(--ink-soft);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--s6);
  transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}
.card:hover { border-color: var(--border-strong); transform: translateY(-4px); box-shadow: 0 24px 50px rgba(0,0,0,0.45); }
.card h3 { margin-bottom: var(--s3); }
.card p { font-size: 1rem; color: var(--text-soft); }
.card__icon {
  width: 54px; height: 54px; border-radius: 15px;
  display: grid; place-items: center; margin-bottom: var(--s5);
  background: linear-gradient(150deg, rgba(85,199,225,0.16), rgba(85,199,225,0.04));
  border: 1px solid rgba(85,199,225,0.18);
  color: var(--accent); font-size: 1.5rem;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card__icon-svg { display: grid; place-items: center; }
.card__icon-svg svg { width: 27px; height: 27px; }
/* Feature card: hairline de brilho no topo + realce do ícone no hover */
.feature-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(85,199,225,0.55), transparent);
  opacity: 0; transition: opacity .25s ease;
}
.feature-card:hover::before { opacity: 1; }
.feature-card:hover .card__icon {
  transform: translateY(-2px);
  border-color: rgba(85,199,225,0.42);
  box-shadow: 0 0 30px rgba(85,199,225,0.30);
}

/* ---------- Faixa de números (prova social) ---------- */
.stats-band { position: relative; overflow: hidden; }
.stats-band__glow {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(64% 130% at 50% 0%, rgba(85,199,225,0.10), transparent 60%);
}
.stats-grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: repeat(3, 1fr);
}
.stats-grid .stat { position: relative; padding: var(--s4) var(--s5); }
.stats-grid .stat + .stat::before {
  content: ""; position: absolute; left: 0; top: 16%; height: 68%; width: 1px;
  background: linear-gradient(180deg, transparent, rgba(85,199,225,0.30), transparent);
}
.stat { text-align: center; }
.stat__num {
  font-size: clamp(2.6rem, 6vw, 4.2rem); font-weight: 700; letter-spacing: -0.04em;
  line-height: 1; font-variant-numeric: tabular-nums; color: var(--text);
}
.stat__num .accent {
  background: linear-gradient(180deg, #EAF9FD 0%, var(--accent) 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 40px rgba(85,199,225,0.32);
}
.stat__label { color: var(--text-soft); font-size: 0.95rem; margin-top: var(--s3); letter-spacing: .01em; }
@media (max-width: 620px) {
  .stats-grid { grid-template-columns: 1fr; gap: var(--s6); }
  .stats-grid .stat + .stat::before { display: none; }
}

/* Produto (catálogo) */
.product {
  background: var(--ink-soft); border: 1px solid var(--border);
  border-radius: var(--r-lg); overflow: hidden; transition: border-color .2s, transform .2s;
}
.product:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.product__media { aspect-ratio: 4/3; background: var(--ink-mid); display: grid; place-items: center; color: var(--text-mute); }
.product__body { padding: var(--s5); }
.product__tag { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); }
.product__name { font-size: 1.15rem; font-weight: 700; margin-block: var(--s2) var(--s3); }
.product__price { color: var(--text); font-weight: 500; }

/* ---------- Section header ---------- */
.section__head { max-width: 720px; margin-bottom: var(--s8); }
.section__head.center { margin-inline: auto; }
.section__head p { margin-top: var(--s4); }

/* ---------- FAQ / Q&A ---------- */
.faq { border-top: 1px solid var(--border); }
.faq__item { border-bottom: 1px solid var(--border); }
.faq__q {
  width: 100%; text-align: left; background: none; border: 0; cursor: pointer;
  color: var(--text); font-family: var(--font); font-weight: 700; font-size: 1.15rem;
  padding: var(--s5) 0; display: flex; justify-content: space-between; gap: var(--s4);
}
.faq__q::after { content: "+"; color: var(--accent); font-weight: 400; font-size: 1.5rem; transition: transform .2s; }
.faq__item[data-open="true"] .faq__q::after { transform: rotate(45deg); }
.faq__a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq__item[data-open="true"] .faq__a { max-height: 600px; }
.faq__a p { padding-bottom: var(--s5); }

/* ---------- Blog ---------- */
.post-card { display: flex; flex-direction: column; height: 100%; }
.post-card .product__body { flex: 1; display: flex; flex-direction: column; }
.post-card__meta { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-mute); margin-top: auto; padding-top: var(--s4); }

/* Artigo (leitura) */
.article { max-width: 720px; margin-inline: auto; }
.article__header { padding-block: clamp(var(--s8), 10vw, 120px) var(--s6); }
.article__meta { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-mute); margin-bottom: var(--s4); }
.article__body h2 { margin-top: var(--s8); margin-bottom: var(--s4); font-size: 1.6rem; }
.article__body h3 { margin-top: var(--s6); margin-bottom: var(--s3); }
.article__body p { margin-bottom: var(--s5); font-size: 1.125rem; line-height: 1.7; }
/* Listas do artigo: marcador ciano alinhado à esquerda (emparelhado com título/parágrafo) */
.article__body ul, .article__body ol { list-style: none; margin: 0 0 var(--s6) 0; padding: 0; color: var(--text-soft); }
.article__body li { position: relative; padding-left: 1.5em; margin-bottom: var(--s3); font-size: 1.125rem; line-height: 1.6; }
.article__body li::before { position: absolute; left: 0; color: var(--accent); }
.article__body ul li::before { content: "—"; font-weight: 700; }
.article__body ol { counter-reset: li; }
.article__body ol li::before { counter-increment: li; content: counter(li); font-family: var(--mono); font-weight: 600; font-size: .95em; top: .08em; }
.article__body strong { color: var(--text); }
.tldr {
  background: var(--ink-soft); border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--r-md); padding: var(--s5) var(--s6); margin-bottom: var(--s7);
}
.tldr .kicker { margin-bottom: var(--s2); }
.tldr p { color: var(--text); margin: 0; }

/* ---------- CTA band ---------- */
.cta-band {
  background:
    radial-gradient(70% 120% at 50% 0%, rgba(85,199,225,0.14), transparent 60%),
    var(--ink-mid);
  border-radius: var(--r-lg); padding: clamp(var(--s7), 8vw, var(--s9)); text-align: center;
  border: 1px solid var(--border);
}
.cta-band h2 { margin-bottom: var(--s4); }
.cta-band p { margin-inline: auto; margin-bottom: var(--s7); max-width: 560px; }

/* ---------- Footer ---------- */
.footer { background: var(--ink-black); border-top: 1px solid var(--border); padding-block: var(--s8) var(--s6); }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--s6); margin-bottom: var(--s8); }
@media (max-width: 780px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .footer__grid { grid-template-columns: 1fr; } }
.footer h4 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--text-mute); margin-bottom: var(--s4); font-family: var(--mono); font-weight: 600; }
.footer a { color: var(--text-soft); font-size: 0.95rem; display: block; padding-block: var(--s2); transition: color .2s; }
.footer a:hover { color: var(--accent); }
.footer__brand p { font-size: 0.95rem; max-width: 320px; margin-top: var(--s4); }
.footer__logo { display: flex; align-items: center; gap: var(--s3); font-weight: 700; }
.footer__logo img { height: 44px; width: 44px; object-fit: contain; }
.footer__bottom { border-top: 1px solid var(--border); padding-top: var(--s5); display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--s3); color: var(--text-mute); font-size: 0.85rem; }

/* WhatsApp flutuante */
.wa-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 90;
  width: 56px; height: 56px; border-radius: var(--r-full);
  background: #25D366; display: grid; place-items: center;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  transition: transform .2s;
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 30px; height: 30px; fill: #fff; }

/* ---------- Utilitários ---------- */
.mt-0{margin-top:0}.mt-4{margin-top:var(--s4)}.mt-6{margin-top:var(--s6)}.mt-8{margin-top:var(--s8)}
.mb-6{margin-bottom:var(--s6)}
.skip-link { position:absolute; left:-9999px; }
.skip-link:focus { left: var(--s4); top: var(--s4); background: var(--accent); color:#00131D; padding: var(--s2) var(--s4); border-radius: var(--r-sm); z-index: 200; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}