/* =========================================================
   Zipperhide — Landing page
   Base: preto e branco. Secundária: verde-esmeralda (proteção).
   ========================================================= */
:root {
  --white: #ffffff;
  --paper: #fafafa;
  --paper-2: #f2f2f0;
  --ink: #0a0a0a;
  --ink-2: #3a3a3a;
  --muted: #6b6b6b;
  --muted-2: #9a9a9a;
  --line: #e6e6e3;

  --dark: #070908;           /* preto-grafite com leve tom verde: solidez */
  --dark-2: #0e1210;
  --dark-3: #161b18;
  --line-dark: rgba(255, 255, 255, 0.09);
  --text-dark: #e9ecea;
  --muted-dark: #8b928e;

  --accent: #12b76a;         /* verde vivo: protegido / seguro */
  --accent-ink: #07784b;     /* versão para texto sobre fundo claro */
  --accent-soft: rgba(18, 183, 106, 0.12);

  /* Secundárias vibrantes (cards) */
  --blue: #1f6bff;           /* azul elétrico */
  --cobalt: #1a3fc4;         /* cobalto */
  --cyan: #00b8d9;           /* ciano */
  --green: #12b76a;          /* verde vivo */
  --grad: linear-gradient(90deg, var(--blue) 0%, var(--cobalt) 33%, var(--cyan) 66%, var(--green) 100%);

  --gutter: clamp(20px, 4vw, 72px);
  --radius: 22px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);

  --font: "Inter", "Segoe UI", system-ui, sans-serif;
  --display: "Inter Tight", "Inter", "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
body {
  font-family: var(--font); background: var(--paper); color: var(--ink);
  -webkit-font-smoothing: antialiased; overflow-x: hidden; line-height: 1.5;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
.ico { width: 20px; height: 20px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
::selection { background: var(--blue); color: var(--white); }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }

.logo { display: inline-flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 600; font-size: 17px; letter-spacing: -0.01em; }
.logo .ico { width: 24px; height: 24px; stroke-width: 1.8; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--cyan);
}
.eyebrow::before { content: ""; width: 18px; height: 1px; background: currentColor; }
.eyebrow.ink { color: var(--cobalt); }
.mono { font-family: var(--mono); font-size: 12px; letter-spacing: 0.04em; }

.h2 { font-family: var(--display); font-size: clamp(38px, 5.4vw, 88px); font-weight: 600; letter-spacing: -0.032em; line-height: 0.98; }
.lead { font-size: clamp(17px, 1.35vw, 21px); line-height: 1.6; color: var(--muted); max-width: 560px; }

/* ---------- botões ---------- */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 56px; padding: 0 28px; border-radius: 999px; font-weight: 500; font-size: 15px; white-space: nowrap;
  transition: transform 0.3s var(--ease), background 0.3s, color 0.3s, border-color 0.3s;
}
.btn .ico { width: 18px; height: 18px; transition: transform 0.3s var(--ease); }
.btn:hover .ico { transform: translateX(3px); }
.btn .ico-win { width: 17px; height: 17px; fill: currentColor; stroke: none; }
.btn:hover .ico-win { transform: none; }
.btn-sm .ico-win { width: 15px; height: 15px; }
.btn:active { transform: scale(0.97); }
.btn-solid { background: var(--ink); color: var(--white); }
.btn-solid:hover { background: #1d1d1d; }
.btn-ghost { border: 1px solid var(--line); color: var(--ink); background: var(--white); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-sm { height: 42px; padding: 0 18px; font-size: 14px; }
.btn-sm .ico { width: 16px; height: 16px; }
.btn-lg { height: 64px; padding: 0 36px; font-size: 16px; }

/* ---------- progresso ---------- */
.progress { position: fixed; inset: 0 0 auto; height: 2px; z-index: 100; pointer-events: none; }
.progress span { display: block; height: 100%; background: var(--grad); transform-origin: left; transform: scaleX(0); }

/* ---------- nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 90; height: 76px; padding: 0 var(--gutter);
  display: flex; align-items: center; justify-content: space-between; color: var(--ink);
  transition: background 0.4s, color 0.4s, border-color 0.4s, transform 0.5s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.scrolled { background: rgba(250, 250, 250, 0.78); backdrop-filter: blur(14px) saturate(1.4); -webkit-backdrop-filter: blur(14px) saturate(1.4); border-color: var(--line); }
.nav.on-dark { color: var(--text-dark); }
.nav.on-dark.scrolled { background: rgba(7, 9, 8, 0.72); border-color: var(--line-dark); }
.nav.on-dark .nav-cta { background: var(--white); color: var(--ink); }
.nav.hide { transform: translateY(-100%); }
.nav-links { display: flex; gap: 6px; font-size: 14px; }
.nav-links a { padding: 8px 14px; border-radius: 999px; opacity: 0.72; transition: opacity 0.2s, background 0.2s; }
.nav-links a:hover { opacity: 1; background: rgba(127, 127, 127, 0.12); }

/* ---------- hero ---------- */
.hero {
  position: relative; min-height: 100vh; min-height: 100svh; padding: 120px var(--gutter) 0;
  display: flex; flex-direction: column; background: var(--paper); overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 88px 88px; opacity: 0.55;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 70% 45%, #000 0%, transparent 75%);
          mask-image: radial-gradient(ellipse 70% 60% at 70% 45%, #000 0%, transparent 75%);
}
.hero-grid {
  position: relative; flex: 1; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: clamp(40px, 6vw, 120px); align-items: center;
}
.pill {
  display: inline-flex; align-items: center; gap: 10px; padding: 8px 14px 8px 12px; border-radius: 999px;
  background: var(--white); border: 1px solid var(--line); font-size: 13px; color: var(--ink-2);
}
.dot { position: relative; width: 8px; height: 8px; border-radius: 50%; background: var(--grad); }
.dot::after { content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 1px solid var(--cyan); animation: ping 2.2s var(--ease) infinite; }
@keyframes ping { 0% { transform: scale(0.6); opacity: 1; } 100% { transform: scale(1.8); opacity: 0; } }

.hero-title {
  font-family: var(--display); font-weight: 600; letter-spacing: -0.04em; line-height: 0.94;
  font-size: clamp(52px, 7.4vw, 136px); margin: 0 0 30px;
}
.hero-title .line { display: block; overflow: hidden; padding-bottom: 0.06em; margin-bottom: -0.06em; }
.hero-title .line > span { display: inline-block; }
.hero-title .muted { color: var(--ink); }
.hero-title em { font-style: normal; color: var(--ink); position: relative; }
.hero-title em::after {
  content: ""; position: absolute; left: 0.02em; right: 0.1em; bottom: 0.06em; height: 0.09em;
  background: var(--grad); transform-origin: left; transform: scaleX(var(--u, 1));
}
.hero-sub { font-size: clamp(17px, 1.3vw, 20px); color: var(--muted); max-width: 470px; line-height: 1.6; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 30px; font-size: 14px; color: var(--muted); }
.hero-trust li { display: inline-flex; align-items: center; gap: 8px; }
.hero-trust .ico { width: 16px; height: 16px; stroke: url(#grad-ui); stroke-width: 2.2; }

.hero-visual { position: relative; width: 100%; aspect-ratio: 1 / 1.05; max-height: 72vh; justify-self: center; }
.hero-visual canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.tag {
  position: absolute; font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; color: var(--ink-2);
  padding: 7px 11px; border-radius: 8px; background: rgba(255, 255, 255, 0.85); border: 1px solid var(--line);
  backdrop-filter: blur(6px);
}
.tag::before { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--grad); margin-right: 8px; vertical-align: 1px; }
.tag-a { top: 14%; right: 2%; }
.tag-b { bottom: 16%; left: 0; }

.hero-foot {
  position: relative; display: flex; justify-content: space-between; align-items: center; gap: 20px;
  padding: 26px 0 30px; margin-top: 30px; border-top: 1px solid var(--line); color: var(--muted);
}
.scroll-hint { display: inline-flex; align-items: center; gap: 14px; font-size: 13px; color: var(--ink-2); }
.scroll-line { position: relative; width: 1px; height: 28px; background: var(--line); overflow: hidden; }
.scroll-line::after { content: ""; position: absolute; left: 0; top: -40%; width: 1px; height: 40%; background: var(--ink); animation: drip 1.8s var(--ease) infinite; }
@keyframes drip { to { top: 100%; } }

/* ---------- marquee ---------- */
.marquee { background: var(--dark); color: var(--text-dark); overflow: hidden; padding: 30px 0; border-bottom: 1px solid var(--line-dark); }
.marquee-track { display: flex; align-items: center; gap: 44px; padding-right: 44px; width: max-content; will-change: transform; }
.marquee span { font-family: var(--display); font-size: clamp(34px, 5vw, 76px); font-weight: 600; letter-spacing: -0.04em; text-transform: uppercase; line-height: 1; }
.marquee span:nth-of-type(even) { color: transparent; -webkit-text-stroke: 1px rgba(233, 236, 234, 0.45); }
.marquee i { display: inline-flex; line-height: 1; }
.marquee .star { width: clamp(28px, 3.2vw, 50px); height: clamp(28px, 3.2vw, 50px); fill: url(#grad-star); }

/* ---------- manifesto ---------- */
.manifesto { position: relative; min-height: 120vh; display: flex; align-items: center; background: var(--dark); color: var(--text-dark); overflow: hidden; }
.manifesto-media { position: absolute; inset: -12% 0; }
.manifesto-media img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.05) brightness(0.55); }
.manifesto::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(7, 9, 8, 0.92) 0%, rgba(7, 9, 8, 0.55) 60%, rgba(7, 9, 8, 0.75) 100%); }
.manifesto-inner { position: relative; z-index: 1; padding: 140px var(--gutter); max-width: 1500px; }
.manifesto-text {
  font-family: var(--display); font-size: clamp(32px, 4.6vw, 78px); font-weight: 600; letter-spacing: -0.028em; line-height: 1.08;
}
.manifesto-text .w { display: inline-block; }

/* ---------- como funciona ---------- */
.how { background: var(--paper); overflow: hidden; }
.how-pin { min-height: 100vh; display: flex; flex-direction: column; justify-content: center; gap: clamp(36px, 5vh, 64px); padding: 110px 0 70px; }
.how-head { padding: 0 var(--gutter); display: grid; grid-template-columns: 1fr auto; align-items: end; column-gap: 40px; }
.how-head .eyebrow { grid-column: 1 / -1; }
.how-progress { width: min(260px, 30vw); height: 2px; background: var(--line); border-radius: 2px; overflow: hidden; margin-bottom: 14px; }
.how-progress span { display: block; height: 100%; background: var(--ink); transform-origin: left; transform: scaleX(0); }
.how-track { display: flex; gap: 24px; padding: 0 var(--gutter); width: max-content; will-change: transform; }
.panel {
  width: min(68vw, 1080px); height: clamp(380px, 56vh, 600px); display: grid; grid-template-columns: 1.25fr 1fr;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
}
.panel-media { position: relative; overflow: hidden; background: var(--paper-2); display: grid; place-items: center; }
.panel-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.05); }
.panel-media.dark { background: var(--cobalt); }
.panel-media.black { background: var(--blue); }
.panel:nth-child(1) .num { color: var(--blue); }
.panel:nth-child(2) .num { color: var(--cobalt); }
.panel:nth-child(3) .num { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.panel-copy { padding: clamp(28px, 3vw, 48px); display: flex; flex-direction: column; justify-content: flex-end; }
.panel .num { font-family: var(--mono); font-size: 13px; color: var(--cobalt); }
.panel h3 { font-family: var(--display); font-size: clamp(30px, 3vw, 52px); font-weight: 600; letter-spacing: -0.03em; margin: 14px 0 12px; }
.panel p { color: var(--muted); font-size: 16px; line-height: 1.6; max-width: 340px; }

/* mini interfaces */
.ui-drop {
  position: relative; z-index: 1; width: min(78%, 320px); padding: 32px 24px; border-radius: 18px; text-align: center;
  background: rgba(31, 107, 255, 0.9); color: var(--white); backdrop-filter: blur(10px); border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.ui-drop-ring { width: 64px; height: 64px; border-radius: 18px; border: 1px dashed rgba(255, 255, 255, 0.6); display: grid; place-items: center; margin-bottom: 6px; animation: bob 3s var(--ease) infinite; }
.ui-drop-ring .ico { width: 26px; height: 26px; }
.ui-drop b { font-weight: 500; font-size: 16px; }
.ui-drop span { font-family: var(--mono); font-size: 12px; color: rgba(255, 255, 255, 0.8); }
@keyframes bob { 50% { transform: translateY(-6px); } }

.ui-window { width: min(82%, 360px); background: var(--white); border-radius: 18px; padding: 8px; box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.6); }
.ui-modal { padding: 26px 24px 22px; display: flex; flex-direction: column; gap: 12px; color: var(--ink); }
.ui-modal b { font-family: var(--display); font-size: 19px; letter-spacing: -0.02em; }
.ui-modal code { font-family: var(--mono); font-size: 13px; background: var(--paper-2); padding: 10px 12px; border-radius: 10px; }
.ui-modal > span { font-size: 13px; color: var(--muted); }
.ui-bar { height: 4px; border-radius: 4px; background: var(--paper-2); overflow: hidden; }
.ui-bar i { display: block; height: 100%; width: 40%; background: var(--grad); border-radius: 4px; animation: load 2.4s var(--ease) infinite; }
@keyframes load { 0% { width: 0; } 70%, 100% { width: 100%; } }
.ui-row { display: flex; justify-content: flex-end; gap: 8px; margin-top: 4px; font-size: 13px; }
.ui-row em { font-style: normal; padding: 9px 14px; border: 1px solid var(--line); border-radius: 999px; }
.ui-row strong { font-weight: 500; padding: 9px 14px; background: var(--ink); color: var(--white); border-radius: 999px; }

.ui-unlock { display: flex; flex-direction: column; align-items: center; gap: 14px; color: var(--white); width: min(80%, 300px); text-align: center; }
.ui-lock { width: 60px; height: 60px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, 0.45); display: grid; place-items: center; margin-bottom: 6px; }
.ui-lock .ico { width: 24px; height: 24px; }
.ui-unlock b { font-weight: 500; font-size: 15px; color: rgba(255, 255, 255, 0.9); }
.ui-input { width: 100%; height: 44px; border: 1px solid rgba(255, 255, 255, 0.45); background: rgba(255, 255, 255, 0.08); border-radius: 10px; display: flex; align-items: center; padding: 0 14px; letter-spacing: 0.2em; font-size: 14px; }
.ui-input i { width: 1px; height: 18px; background: var(--white); margin-left: 4px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.ui-btn { width: 100%; height: 44px; border-radius: 10px; background: var(--white); color: var(--ink); display: grid; place-items: center; font-size: 14px; font-weight: 500; }

/* ---------- demonstração ---------- */
.demo { background: var(--dark); color: var(--text-dark); position: relative; overflow: hidden; }
.demo::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse 34% 46% at 66% 46%, rgba(31, 107, 255, 0.10), transparent 70%), radial-gradient(ellipse 34% 46% at 80% 58%, rgba(0, 184, 217, 0.08), transparent 70%); pointer-events: none; }
.demo-pin { position: relative; min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 60px; align-items: center; padding: 110px var(--gutter) 70px; }
.demo-steps { margin-top: 48px; display: grid; gap: 4px; max-width: 420px; }
.demo-steps li {
  display: flex; align-items: center; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--line-dark);
  font-size: clamp(17px, 1.4vw, 21px); color: rgba(233, 236, 234, 0.35); transition: color 0.4s, padding 0.4s var(--ease);
}
.demo-steps li span { font-family: var(--mono); font-size: 12px; color: inherit; }
.demo-steps li.active { color: var(--text-dark); padding-left: 10px; }
.demo-steps li.active span { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

.demo-stage { position: relative; height: min(560px, 70vh); }
.d-chip {
  position: absolute; left: 50%; display: inline-flex; align-items: center; gap: 10px; padding: 14px 20px;
  background: var(--white); color: var(--ink); border-radius: 14px; font-family: var(--mono); font-size: 14px; white-space: nowrap;
  transform: translateX(-50%);
}
.d-chip .ico { width: 18px; height: 18px; }
.d-in { top: 0; }
.d-out { top: 100%; transform: translate(-50%, -100%); opacity: 0; }
.d-vault {
  position: absolute; left: 50%; top: 50%; width: min(300px, 80%); aspect-ratio: 1.2; transform: translate(-50%, -50%);
  background: var(--dark-2); border: 1px solid var(--line-dark); border-radius: 28px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px;
}
.d-vault::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1.5px; background: var(--grad); pointer-events: none;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor;
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); mask-composite: exclude;
  opacity: var(--glow, 0);
}
.d-locks { position: relative; width: 74px; height: 74px; }
.d-lock { position: absolute; inset: 0; width: 74px; height: 74px; color: var(--text-dark); }
.d-lock-grad { opacity: 0; }
.d-name { display: inline-flex; align-items: center; gap: 8px; font-family: var(--display); font-weight: 600; font-size: 15px; }
.d-name .ico { width: 18px; height: 18px; }
.d-status {
  position: absolute; top: -14px; right: -14px; padding: 7px 12px; border-radius: 999px; font-size: 12px; font-weight: 500;
  background: var(--grad); color: var(--white); opacity: 0; transform: scale(0.8);
}

/* ---------- números ---------- */
.stats { padding: clamp(100px, 14vh, 170px) var(--gutter); background: var(--paper); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: clamp(56px, 8vh, 96px); border-top: 1px solid var(--ink); }
.stat { padding: 34px 32px 0 0; }
.stat + .stat { padding-left: 32px; border-left: 1px solid var(--line); }
.stat b { display: flex; align-items: baseline; gap: 10px; font-family: var(--display); font-size: clamp(56px, 6.4vw, 108px); font-weight: 600; letter-spacing: -0.04em; line-height: 1; }
.stat small { font-family: var(--mono); font-size: 13px; letter-spacing: 0.04em; font-weight: 500; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat p { margin-top: 18px; color: var(--muted); font-size: 15px; line-height: 1.6; max-width: 280px; }

/* ---------- Novidades da 1.1 ---------- */
.news { padding: clamp(100px, 14vh, 170px) var(--gutter); background: var(--white); border-top: 1px solid var(--line); }
.news-head { display: grid; gap: 22px; }
.news-head .lead { margin-top: 4px; }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: clamp(48px, 7vh, 80px); }
.news-card {
  display: flex; flex-direction: column; padding: 30px; border-radius: var(--radius);
  background: var(--paper); border: 1px solid var(--line);
}
.news-card > .ico { width: 28px; height: 28px; color: var(--cobalt); }
.news-card h3 { margin-top: 22px; font-family: var(--display); font-size: 24px; font-weight: 600; letter-spacing: -0.02em; line-height: 1.15; }
.news-card p { margin-top: 12px; color: var(--muted); font-size: 15px; line-height: 1.6; }
.news-card > :last-child { margin-top: auto; padding-top: 26px; }

.news-langs { display: flex; flex-wrap: wrap; gap: 8px; }
.news-langs li { padding: 7px 13px; border-radius: 999px; font-size: 13px; font-weight: 500; background: var(--white); border: 1px solid var(--line); }

.news-themes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.nt { display: flex; flex-direction: column; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 500; color: var(--ink-2); }
.nt i { width: 100%; height: 58px; border-radius: 12px; display: grid; place-items: center; border: 1px solid var(--line); }
.nt-light i { background: var(--white); color: var(--ink); }
.nt-dark i { background: var(--ink); color: var(--white); border-color: var(--ink); }
.nt-auto i { background: linear-gradient(135deg, var(--white) 0 50%, var(--ink) 50% 100%); }
.nt-auto i .ico { padding: 4px; box-sizing: content-box; border-radius: 8px; background: var(--white); color: var(--ink); box-shadow: 0 0 0 1px var(--line); }

.news-keys { display: grid; gap: 10px; }
.news-keys div { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 14px; }
.news-keys dt { display: inline-flex; gap: 5px; }
.news-keys dd { color: var(--muted); }
.news-keys kbd {
  min-width: 30px; height: 28px; padding: 0 9px; display: inline-grid; place-items: center;
  font-family: var(--mono); font-size: 12px; border-radius: 7px; background: var(--white);
  border: 1px solid var(--line); box-shadow: 0 2px 0 var(--line);
}
.news-note { margin-top: 28px; font-size: 14px; color: var(--muted); }

/* ---------- diferencial ---------- */
.diff { display: grid; grid-template-columns: 1fr 1fr; min-height: 100vh; background: var(--white); border-top: 1px solid var(--line); }
.diff-media { position: relative; overflow: hidden; min-height: 60vh; }
.diff-media img { position: absolute; inset: -8% 0; width: 100%; height: 116%; object-fit: cover; object-position: 80% 55%; filter: grayscale(1) contrast(1.05); }
.badge-float {
  position: absolute; left: var(--gutter); bottom: 40px; display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 18px; border-radius: 999px; background: var(--dark); color: var(--white); font-size: 14px; font-weight: 500;
}
.badge-float .ico { stroke: url(#grad-ui); stroke-width: 2; width: 18px; height: 18px; }
.diff-copy { padding: clamp(80px, 12vh, 140px) var(--gutter); display: flex; flex-direction: column; justify-content: center; }
.diff-copy .lead { margin-top: 26px; }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 44px; }
.compare-col { padding: 24px; border-radius: 18px; border: 1px solid var(--line); background: var(--paper); }
.compare-col.yes { background: var(--cobalt); color: var(--white); border-color: var(--cobalt); }
.compare-title { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.compare-col.yes .compare-title { color: rgba(255, 255, 255, 0.8); }
.compare-col.yes .compare-title .ico { width: 16px; height: 16px; }
.compare ul { margin-top: 16px; display: grid; gap: 12px; font-size: 15px; }
.compare li { display: flex; gap: 10px; align-items: baseline; }
.compare-col li::before { content: "—"; color: var(--muted-2); }
.compare-col.yes li::before { content: "✓"; color: var(--cyan); font-weight: 700; }
.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 44px; padding-top: 30px; border-top: 1px solid var(--line); }
.facts b { display: block; font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em; font-weight: 500; }
.facts span { display: block; margin-top: 10px; font-size: 14px; color: var(--muted); line-height: 1.55; }

/* ---------- segurança ---------- */
.sec { background: var(--dark); color: var(--text-dark); padding: clamp(100px, 14vh, 170px) var(--gutter); }
.sec-head { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: end; }
.sec-head .eyebrow { grid-column: 1 / -1; }
.sec-head .h2 { margin-top: 0; }
.sec-head .lead { color: var(--muted-dark); justify-self: end; }
.bento { display: grid; grid-template-columns: 2fr 1fr 1fr; grid-template-rows: repeat(2, minmax(240px, auto)); gap: 14px; margin-top: clamp(56px, 8vh, 90px); }
.tile {
  position: relative; padding: 30px; border-radius: var(--radius); background: var(--dark-2); border: 1px solid var(--line-dark);
  display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden;
  transition: border-color 0.4s, background 0.4s, transform 0.4s var(--ease);
}
.tile:hover { background: var(--dark-3); }
.tile::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; background: var(--grad); pointer-events: none;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor;
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); mask-composite: exclude;
  opacity: 0; transition: opacity 0.4s;
}
.tile:not([class*="tile-"]):hover::after, .tile-img:hover::after { opacity: 1; }
.tile > .ico, .tile-over > .ico { width: 30px; height: 30px; margin-bottom: auto; stroke-width: 1.4; }
.tile-over > .ico { stroke: url(#grad-ui); stroke-width: 1.8; }
.tile h3 { font-family: var(--display); font-size: 24px; font-weight: 600; letter-spacing: -0.02em; margin: 40px 0 8px; }
.tile p { color: var(--muted-dark); font-size: 15px; line-height: 1.55; max-width: 360px; }
.tile.tile-blue, .tile.tile-cobalt { color: var(--white); border-color: transparent; }
.tile.tile-blue { background: var(--blue); }
.tile.tile-cobalt { background: var(--cobalt); }
.tile.tile-cyan, .tile.tile-green { color: var(--dark); border-color: transparent; }
.tile.tile-cyan { background: var(--cyan); }
.tile.tile-green { background: var(--green); }
.tile.tile-blue > .ico, .tile.tile-cobalt > .ico { color: var(--white); }
.tile.tile-cyan > .ico, .tile.tile-green > .ico { color: var(--dark); }
.tile.tile-blue p, .tile.tile-cobalt p { color: rgba(255, 255, 255, 0.82); }
.tile.tile-cyan p, .tile.tile-green p { color: rgba(7, 9, 8, 0.75); }
.tile[class*="tile-"]:not(.tile-img):hover { transform: translateY(-4px); border-color: transparent; }
.tile.tile-blue:hover { background: var(--blue); }
.tile.tile-cobalt:hover { background: var(--cobalt); }
.tile.tile-cyan:hover { background: var(--cyan); }
.tile.tile-green:hover { background: var(--green); }
.tile-img { grid-row: span 2; padding: 0; }
.tile-img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) brightness(0.75); transition: transform 1.2s var(--ease); }
.tile-img:hover img { transform: scale(1.04); }
.tile-over { position: relative; height: 100%; padding: 34px; display: flex; flex-direction: column; background: linear-gradient(180deg, rgba(7, 9, 8, 0) 25%, rgba(7, 9, 8, 0.7) 60%, rgba(7, 9, 8, 0.96) 100%); }
.tile-over h3 { font-size: clamp(28px, 2.6vw, 40px); }
.sec-note { margin-top: 36px; font-size: 14px; color: var(--muted-dark); max-width: 640px; }

/* ---------- faixa ---------- */
.band { position: relative; height: 100vh; min-height: 560px; overflow: hidden; background: var(--dark); color: var(--white); display: flex; align-items: flex-end; }
.band-media { position: absolute; inset: -15% 0; }
.band-media img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.1) brightness(0.7); }
.band::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(7, 9, 8, 0.1) 30%, rgba(7, 9, 8, 0.85) 100%); }
.band-inner { position: relative; z-index: 1; padding: 0 var(--gutter) clamp(60px, 10vh, 110px); width: 100%; }
.band-title { font-family: var(--display); font-weight: 600; letter-spacing: -0.04em; line-height: 0.92; font-size: clamp(54px, 10vw, 190px); }
.band-title span { display: block; }
.band-title span:last-child { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; padding-bottom: 0.08em; }

/* ---------- faq ---------- */
.faq { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 60px; padding: clamp(100px, 14vh, 170px) var(--gutter); background: var(--paper); }
.faq-head .h2 { position: sticky; top: 120px; }
.faq-list { border-top: 1px solid var(--ink); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 24px;
  padding: 28px 0; font-family: var(--display); font-size: clamp(19px, 1.6vw, 24px); font-weight: 500; letter-spacing: -0.02em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .ico { transition: transform 0.4s var(--ease); }
.faq details[open] summary .ico { transform: rotate(45deg); stroke: url(#grad-ui); stroke-width: 2; }
.faq details p { padding: 0 60px 28px 0; color: var(--muted); font-size: 16px; line-height: 1.65; }
.faq details p a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- cta ---------- */
.cta {
  position: relative; text-align: center; padding: clamp(120px, 18vh, 220px) var(--gutter); background: var(--white); overflow: hidden;
  display: flex; flex-direction: column; align-items: center; border-top: 1px solid var(--line);
}
.cta::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(var(--line) 1.2px, transparent 1.2px); background-size: 26px 26px;
  -webkit-mask-image: radial-gradient(ellipse 60% 70% at 50% 50%, #000, transparent 75%);
          mask-image: radial-gradient(ellipse 60% 70% at 50% 50%, #000, transparent 75%);
}
.cta > * { position: relative; }
.cta-title { font-family: var(--display); font-weight: 600; letter-spacing: -0.04em; line-height: 0.94; font-size: clamp(56px, 9vw, 168px); margin-top: 26px; }
.cta p { font-size: clamp(19px, 1.6vw, 24px); color: var(--muted); margin: 26px 0 44px; }
.cta small { margin-top: 24px; font-size: 13px; color: var(--muted-2); max-width: 560px; line-height: 1.6; }
.cta small a { text-decoration: underline; text-underline-offset: 3px; }
.cta small a:hover { color: var(--ink); }
.cta-downloads { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.cta-downloads .btn { min-width: 180px; }
.beta {
  font-style: normal; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 3px 7px; border-radius: 999px; border: 1px solid currentColor; opacity: 0.6;
}

/* ---------- footer ---------- */
.footer { background: var(--dark); color: var(--text-dark); padding: 80px var(--gutter) 34px; overflow: hidden; }
.footer-top { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.footer-top p { margin-top: 12px; color: var(--muted-dark); font-size: 14px; }
.footer-links { display: flex; gap: 34px; flex-wrap: wrap; font-size: 14px; color: var(--muted-dark); }
.footer-links a:hover { color: var(--white); }
.footer-word {
  font-family: var(--display); font-weight: 700; letter-spacing: -0.05em; line-height: 1; white-space: nowrap;
  font-size: 15.2vw; margin: 60px 0 10px; text-align: center; color: var(--dark-3);
  user-select: none; position: relative;
}
.footer-word.is-pixel { color: transparent; }
.word-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 24px; border-top: 1px solid var(--line-dark); font-size: 13px; color: var(--muted-dark); }

/* ---------- pixels coloridos nos cards brancos ---------- */
[data-pixels] { position: relative; isolation: isolate; }
.compare-col[data-pixels] { overflow: hidden; }
.px-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; pointer-events: none; }

/* ---------- responsivo ---------- */
@media (max-width: 1100px) {
  .nav-links { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr 1fr; }
  .news-card:last-child { grid-column: 1 / -1; }
  .stat:nth-child(3) { padding-left: 0; border-left: 0; }
  .stat { padding-bottom: 34px; }
  .bento { grid-template-columns: 1fr 1fr; }
  .tile-img { grid-column: 1 / -1; grid-row: auto; min-height: 420px; }
}

@media (max-width: 900px) {
  .hero { padding-top: 104px; }
  .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .hero-visual { max-width: 480px; aspect-ratio: 1 / 0.95; max-height: none; }
  .hide-sm { display: none; }

  .how-pin { padding: 90px 0 40px; min-height: auto; }
  .how-head { grid-template-columns: 1fr; }
  .how-progress { display: none; }
  .how-track { flex-direction: column; width: auto; }
  .panel { width: 100%; height: auto; grid-template-columns: 1fr; }
  .panel-media { aspect-ratio: 4 / 3; }

  .demo-pin { grid-template-columns: 1fr; gap: 30px; min-height: auto; padding-top: 90px; }
  .demo-stage { height: 460px; }

  .diff { grid-template-columns: 1fr; min-height: auto; }
  .diff-media { min-height: 380px; }

  .sec-head { grid-template-columns: 1fr; }
  .sec-head .lead { justify-self: start; }

  .faq { grid-template-columns: 1fr; gap: 30px; }
  .faq-head .h2 { position: static; }
}

@media (max-width: 600px) {
  .hero-actions .btn { width: 100%; }
  .cta-downloads { width: 100%; flex-direction: column; }
  .cta-downloads .btn { width: 100%; }
  .hero-foot .mono { display: none; }
  .stats-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .news-card { padding: 24px; }
  .stat, .stat + .stat { padding: 30px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .compare, .facts { grid-template-columns: 1fr; }
  .bento { grid-template-columns: 1fr; }
  .tile { min-height: 220px; }
  .faq details p { padding-right: 0; }
  .footer-bottom { flex-direction: column; }
  .tag { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}