/* ============================================================
   DigitalSac — Landing Page
   Paleta: azul tech moderno
   ============================================================ */

:root {
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --blue-500: #3b82f6;
  --cyan-400: #22d3ee;
  --cyan-500: #06b6d4;
  --violet-500: #8b5cf6;
  --violet-600: #7c3aed;
  --purple-500: #a855f7;

  --navy-900: #0b1120;
  --navy-800: #0f172a;
  --navy-700: #1e293b;

  --ink: #0f172a;
  --muted: #64748b;
  --muted-2: #94a3b8;
  --line: #e2e8f0;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --bg-soft-2: #f1f5f9;

  --grad: linear-gradient(115deg, var(--cyan-400) 0%, var(--blue-500) 48%, var(--purple-500) 100%);
  --grad-soft: linear-gradient(120deg, #e0f2fe, #ede9fe);

  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);
  --shadow: 0 10px 30px -12px rgba(15, 23, 42, .18);
  --shadow-lg: 0 30px 60px -20px rgba(37, 99, 235, .25);

  --container: 1160px;
  --header-h: 74px;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
}

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

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 24px; }
.container.narrow { max-width: 820px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 600; font-size: 15px; line-height: 1;
  padding: 12px 22px; border-radius: 12px; border: 1px solid transparent;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  white-space: nowrap;
}
.btn-lg { padding: 15px 28px; font-size: 16px; }
.btn-block { width: 100%; }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 8px 20px -8px rgba(37,99,235,.6); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 28px -10px rgba(37,99,235,.7); }
.btn-outline { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-outline:hover { border-color: var(--blue-500); color: var(--blue-600); transform: translateY(-2px); }
.btn-ghost { color: var(--ink); background: transparent; }
.btn-ghost:hover { color: var(--blue-600); }
.arrow { transition: transform .2s ease; }
.btn:hover .arrow { transform: translateX(4px); }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; height: var(--header-h); z-index: 100;
  display: flex; align-items: center;
  transition: background .25s ease, box-shadow .25s ease, backdrop-filter .25s ease;
}
.site-header.scrolled {
  background: rgba(255,255,255,.85);
  backdrop-filter: saturate(180%) blur(12px);
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand {
  display: inline-flex; align-items: center; border-radius: 12px;
  padding: 6px 12px; transition: background .25s ease, box-shadow .25s ease;
}
.logo { height: 40px; width: auto; display: block; }
/* Sobre o hero escuro, o logo (texto escuro) ganha um chip branco para contraste */
.site-header:not(.scrolled) .brand {
  background: #fff;
  box-shadow: 0 6px 18px -8px rgba(2, 8, 30, .45);
}
.site-header.scrolled .brand { padding: 6px 4px; }

.nav { display: flex; gap: 26px; align-items: center; }
.nav a {
  font-size: 15px; font-weight: 500; color: var(--navy-700); position: relative;
  transition: color .15s ease;
}
.site-header:not(.scrolled) .nav a { color: rgba(255,255,255,.9); }
.site-header:not(.scrolled) .btn-ghost { color: rgba(255,255,255,.92); }
.site-header:not(.scrolled) .nav-toggle span { background: #fff; }
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0;
  background: var(--grad); transition: width .2s ease;
}
.nav a:hover { color: var(--blue-600); }
.site-header:not(.scrolled) .nav a:hover { color: #fff; }
.nav a:hover::after { width: 100%; }

.nav .nav-portal {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; padding: 0; border: 1px solid var(--line); border-radius: 50%;
  position: relative; color: var(--navy-700);
}
.nav .nav-portal svg { width: 19px; height: 19px; }
.nav .nav-portal .np-label { display: none; }
.nav .nav-portal:hover { border-color: var(--blue-500); color: var(--blue-600); background: #fff; }
.site-header:not(.scrolled) .nav .nav-portal { border-color: rgba(255,255,255,.4); color: #fff; }
.site-header:not(.scrolled) .nav .nav-portal:hover { background: rgba(255,255,255,.14); color: #fff; }
/* tooltip */
.nav .nav-portal::after {
  content: attr(data-tip); position: absolute; top: calc(100% + 10px); left: 50%;
  transform: translateX(-50%) translateY(4px); background: var(--navy-800); color: #fff;
  font-size: 12px; font-weight: 600; white-space: nowrap; padding: 6px 10px; border-radius: 8px;
  opacity: 0; pointer-events: none; transition: opacity .15s ease, transform .15s ease;
  box-shadow: var(--shadow); z-index: 5;
}
.nav .nav-portal:hover::after { opacity: 1; transform: translateX(-50%) translateY(0); }
@media (max-width: 780px) {
  .nav.open .nav-portal { width: auto; height: auto; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; justify-content: flex-start; gap: 10px; padding: 14px 0; color: var(--navy-800); }
  .nav.open .nav-portal .np-label { display: inline; }
  .nav.open .nav-portal::after { display: none; }
}

.header-actions { display: flex; align-items: center; gap: 10px; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px; background: none; border: 0; padding: 8px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--navy-800); border-radius: 2px; transition: .25s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 70px) 0 90px;
  background: radial-gradient(120% 130% at 85% 0%, #3b1d6e 0%, #122a6b 45%, var(--navy-900) 75%);
  color: #fff; overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.orb { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .55; }
.orb-1 { width: 420px; height: 420px; background: var(--violet-600); top: -120px; right: -80px; }
.orb-2 { width: 360px; height: 360px; background: var(--cyan-500); bottom: -140px; left: -100px; opacity: .4; }
.orb-3 { width: 300px; height: 300px; background: var(--blue-600); top: 30%; left: 35%; opacity: .25; }
.grid-overlay {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 75%);
}
.hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center;
}
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: .2px;
  padding: 7px 14px; border-radius: 999px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16);
  backdrop-filter: blur(6px);
}
.badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan-400); box-shadow: 0 0 0 4px rgba(34,211,238,.25); }
.hero-copy h1 {
  font-size: clamp(2.1rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.08;
  letter-spacing: -1px; margin: 18px 0 18px;
}
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: clamp(1rem, 1.4vw, 1.18rem); color: rgba(255,255,255,.78); max-width: 540px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin: 30px 0 24px; }
.hero-cta .btn-outline { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.22); color: #fff; }
.hero-cta .btn-outline:hover { background: rgba(255,255,255,.14); color: #fff; }
.hero-points { display: flex; flex-wrap: wrap; gap: 18px 24px; }
.hero-points li { display: flex; align-items: center; gap: 8px; font-size: 14px; color: rgba(255,255,255,.85); }
.check { width: 18px; height: 18px; stroke: var(--cyan-400); stroke-width: 3; fill: none; stroke-linecap: round; stroke-linejoin: round; }

/* hero visual / chat card */
.hero-visual { position: relative; }
.chat-card {
  background: rgba(255,255,255,.97); color: var(--ink);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  padding: 18px; max-width: 410px; margin-inline: auto;
  border: 1px solid rgba(255,255,255,.4);
}
.chat-card-head { display: flex; align-items: center; gap: 12px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.chat-avatar { width: 42px; height: 42px; border-radius: 12px; background: var(--grad); color: #fff; font-weight: 800; font-size: 14px; display: grid; place-items: center; }
.chat-card-head strong { display: block; font-size: 15px; }
.chat-card-head span { font-size: 12px; color: var(--muted); }
.status-pill { margin-left: auto; font-size: 11px; font-weight: 600; color: #16a34a; background: #dcfce7; padding: 4px 10px; border-radius: 999px; }
.chat-body { display: flex; flex-direction: column; gap: 10px; padding: 16px 4px; }
.bubble { max-width: 80%; padding: 10px 14px; border-radius: 14px; font-size: 14px; line-height: 1.45; }
.bubble.in { align-self: flex-start; background: var(--bg-soft-2); border-bottom-left-radius: 4px; }
.bubble.out { align-self: flex-end; background: var(--grad); color: #fff; border-bottom-right-radius: 4px; }
.bubble.typing { display: inline-flex; gap: 4px; padding: 14px; }
.bubble.typing span { width: 7px; height: 7px; border-radius: 50%; background: rgba(255,255,255,.85); animation: blink 1.2s infinite; }
.bubble.typing span:nth-child(2) { animation-delay: .2s; }
.bubble.typing span:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%, 60%, 100% { opacity: .35; } 30% { opacity: 1; } }
.chat-channels { display: flex; flex-wrap: wrap; gap: 8px; padding-top: 14px; border-top: 1px solid var(--line); }
.chat-channels span { font-size: 12px; font-weight: 600; color: var(--blue-700); background: #eff6ff; padding: 5px 10px; border-radius: 8px; }

.float-stat {
  position: absolute; background: #fff; color: var(--ink); border-radius: 14px;
  padding: 12px 16px; box-shadow: var(--shadow); border: 1px solid var(--line);
  text-align: center; animation: floaty 4s ease-in-out infinite;
}
.float-stat strong { display: block; font-size: 20px; font-weight: 800; color: var(--blue-600); }
.float-stat span { font-size: 11px; color: var(--muted); }
.float-stat-1 { top: 6%; left: -6%; }
.float-stat-2 { bottom: 6%; right: -4%; animation-delay: 1.5s; }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* trust */
.trust { text-align: center; margin-top: 64px; position: relative; z-index: 1; }
.trust p { font-size: 13px; color: rgba(255,255,255,.55); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px; }
.trust-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px 34px; }
.trust-row span { font-weight: 700; font-size: 16px; color: rgba(255,255,255,.5); }

/* ---------- Sections base ---------- */
.section { padding: 90px 0; }
.section-alt { background: var(--bg-soft); }
.section-head { max-width: 680px; margin: 0 auto 54px; text-align: center; }
.eyebrow {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase;
  color: var(--blue-600); margin-bottom: 14px;
}
.eyebrow.light { color: var(--cyan-400); }
.section-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.6rem); font-weight: 800; letter-spacing: -.8px; line-height: 1.12; }
.section-head p { margin-top: 14px; color: var(--muted); font-size: 1.06rem; }

/* ---------- Canais ---------- */
.channels-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.channel {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 20px; text-align: center; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.channel:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.ch-icon { font-size: 30px; display: block; margin-bottom: 10px; }
.channel strong { display: block; font-size: 16px; }
.channel small { color: var(--muted); font-size: 13px; }

.channels-hubs { margin-top: 26px; text-align: center; font-size: .98rem; color: var(--muted); }
.channels-hubs strong { color: var(--blue-700); }
.channels-hubs a { color: var(--violet-600); font-weight: 600; }

/* ---------- Como funciona (3 camadas, escuro) ---------- */
.how { position: relative; overflow: hidden; padding: 90px 0;
  background: radial-gradient(120% 130% at 80% 0%, #2a1a5e 0%, #0f1f4d 45%, var(--navy-900) 85%); color: #fff; }
.how-bg { position: absolute; inset: 0; z-index: 0; }
.how-orb { position: absolute; width: 380px; height: 380px; border-radius: 50%; background: var(--violet-600); filter: blur(90px); opacity: .35; top: -120px; right: -60px; }
.how .container { position: relative; z-index: 1; }
.how .section-head h2 { color: #fff; }
.how .section-head p { color: rgba(255,255,255,.72); }
.chip-eyebrow { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase;
  color: var(--cyan-400); background: rgba(34,211,238,.12); border: 1px solid rgba(34,211,238,.3);
  padding: 6px 14px; border-radius: 999px; margin-bottom: 16px; }

.how-steps { display: flex; flex-direction: column; gap: 30px; max-width: 980px; margin: 0 auto; }
.how-step { display: grid; grid-template-columns: 56px 1fr; gap: 18px; position: relative; }
.how-rail { display: flex; justify-content: center; }
.how-num { width: 44px; height: 44px; border-radius: 50%; background: var(--grad); color: #fff; font-weight: 800;
  display: grid; place-items: center; font-size: 18px; box-shadow: 0 8px 20px -6px rgba(124,58,237,.6); position: relative; z-index: 2; }
.how-step:not(:last-child) .how-rail::after { content: ""; position: absolute; top: 52px; bottom: -30px; left: 28px; width: 2px;
  transform: translateX(-50%); background: linear-gradient(rgba(255,255,255,.25), rgba(255,255,255,.05)); }
.how-card { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius-lg);
  padding: 24px; backdrop-filter: blur(6px); transition: transform .2s ease, border-color .2s ease; }
.how-card:hover { transform: translateY(-4px); border-color: rgba(139,92,246,.45); }
.how-tag { font-size: 11px; font-weight: 700; letter-spacing: .5px; text-transform: uppercase; color: var(--cyan-400); }
.how-card h3 { font-size: 1.3rem; font-weight: 800; margin: 6px 0 18px; }
.how-visual { display: grid; gap: 14px; }
.how-visual.two { grid-template-columns: 1fr 1fr; }

.hv-block { background: rgba(8,12,30,.5); border: 1px solid rgba(255,255,255,.08); border-radius: 14px; padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.hv-pill { align-self: flex-start; font-size: 11px; font-weight: 700; color: #fff; background: rgba(124,58,237,.35); border: 1px solid rgba(168,85,247,.4); padding: 5px 12px; border-radius: 999px; }
.hv-chips { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.hv-chips span { font-size: 12px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); border-radius: 8px; padding: 8px 10px; color: rgba(255,255,255,.85); }
.hv-panel { background: rgba(8,12,30,.6); border: 1px solid rgba(255,255,255,.08); border-radius: 14px; padding: 12px; display: flex; flex-direction: column; gap: 6px; }
.hv-prow { display: flex; justify-content: space-between; align-items: center; gap: 10px; font-size: 12px; color: rgba(255,255,255,.8); padding: 7px 10px; background: rgba(255,255,255,.04); border-radius: 8px; }
.hv-prow.head { background: transparent; color: var(--cyan-400); font-weight: 700; text-transform: uppercase; font-size: 10.5px; letter-spacing: .5px; padding: 0 0 2px; }
.hv-prow b { color: #fff; font-size: 11px; }
.hv-prow em { font-style: normal; font-size: 10px; background: rgba(34,211,238,.15); color: var(--cyan-400); padding: 3px 8px; border-radius: 6px; }
.hv-tenants { display: flex; gap: 8px; flex-wrap: wrap; }
.hv-tenants span { font-size: 11px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); padding: 5px 10px; border-radius: 999px; }
.hv-channels { display: flex; gap: 8px; }
.hv-channels i { font-style: normal; font-size: 16px; width: 30px; height: 30px; display: grid; place-items: center; background: rgba(255,255,255,.06); border-radius: 8px; }
.hv-queues { display: flex; flex-direction: column; gap: 6px; }
.hv-queues .q { font-size: 12px; display: flex; justify-content: space-between; align-items: center; background: rgba(255,255,255,.05); padding: 7px 10px; border-radius: 8px; }
.hv-queues b { color: var(--cyan-400); letter-spacing: 2px; }
.hv-sub { font-size: 11px; color: rgba(255,255,255,.6); text-transform: uppercase; letter-spacing: .5px; }
.hv-badges { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.hv-badges span { font-size: 12px; font-weight: 600; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: 9px; padding: 9px 10px; }
.hv-flow { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.hv-flow span { font-size: 11px; background: rgba(124,58,237,.25); border: 1px solid rgba(168,85,247,.35); padding: 6px 10px; border-radius: 8px; }
.hv-flow .ar { background: none; border: none; color: var(--cyan-400); font-weight: 800; padding: 0; }
.hv-auto { display: flex; flex-direction: column; gap: 8px; }
.hv-auto span { font-size: 12px; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); border-radius: 9px; padding: 9px 11px; color: rgba(255,255,255,.85); }
.hv-auto b { color: #fff; }
@media (max-width: 760px) {
  .how-visual.two { grid-template-columns: 1fr; }
  .hv-chips, .hv-badges { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .how-step { grid-template-columns: 40px 1fr; gap: 12px; }
  .how-num { width: 36px; height: 36px; font-size: 15px; }
  .how-step:not(:last-child) .how-rail::after { left: 20px; }
}

.hv-logo { width: 18px; height: 18px; border-radius: 4px; object-fit: contain; vertical-align: -4px; display: inline-block; }

/* ---------- Copilot · provedores de IA ---------- */
.ai-providers { max-width: 920px; margin: 44px auto 0; text-align: center; }
.ai-providers-title { font-size: 1rem; color: var(--muted); margin-bottom: 18px; }
.ai-providers-title strong { color: var(--violet-600); }
.ai-pills { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.ai-pills span { font-size: 13px; font-weight: 600; color: var(--navy-700); background: var(--bg-soft); border: 1px solid var(--line); padding: 8px 14px; border-radius: 999px; transition: border-color .15s ease, color .15s ease, transform .15s ease; }
.ai-pills span:hover { border-color: var(--violet-500); color: var(--violet-600); transform: translateY(-2px); }

/* ---------- Integrações & Controle ---------- */
.integ-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 20px; }
.integ-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px 24px; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.integ-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--violet-500); }
.integ-logo { width: 56px; height: 56px; border-radius: 14px; background: var(--bg-soft); border: 1px solid var(--line); display: grid; place-items: center; margin-bottom: 16px; overflow: hidden; }
.integ-logo img { width: 34px; height: 34px; object-fit: contain; border-radius: 8px; }
.integ-emoji { font-size: 28px; }
.integ-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.integ-card p { color: var(--muted); font-size: .95rem; }
.integ-tagline { text-align: center; max-width: 760px; margin: 44px auto 0; font-size: 1.2rem; font-weight: 700; color: var(--navy-700); line-height: 1.5; }

/* ---------- Features ---------- */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 30px; transition: transform .2s ease, box-shadow .2s ease;
  position: relative; overflow: hidden;
}
.section-alt .feature-card { background: #fff; }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.feat-icon { width: 56px; height: 56px; border-radius: 14px; background: var(--grad-soft); display: grid; place-items: center; font-size: 26px; margin-bottom: 18px; }
.feature-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p { color: var(--muted); font-size: .98rem; }

/* ---------- Desenvolvimento (fábrica de software) ---------- */
.dev-section {
  position: relative; overflow: hidden;
  background: radial-gradient(120% 130% at 100% 0%, #2a1a5e 0%, #112152 45%, var(--navy-900) 85%);
  color: #fff; padding: 90px 0;
}
.dev-bg { position: absolute; inset: 0; z-index: 0; }
.orb-dev { position: absolute; width: 360px; height: 360px; border-radius: 50%; background: var(--violet-600); filter: blur(80px); opacity: .4; top: -100px; left: -80px; }
.dev-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: center; }
.dev-copy h2 { font-size: clamp(1.7rem, 3.2vw, 2.5rem); font-weight: 800; letter-spacing: -.8px; line-height: 1.12; margin-bottom: 16px; }
.dev-copy p { color: rgba(255,255,255,.78); font-size: 1.06rem; margin-bottom: 22px; }
.dev-points { display: flex; flex-direction: column; gap: 12px; margin-bottom: 30px; }
.dev-points li { display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,.9); font-size: .98rem; }
.dev-services { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.dev-card {
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius); padding: 22px; backdrop-filter: blur(6px);
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.dev-card:hover { transform: translateY(-5px); background: rgba(255,255,255,.09); border-color: rgba(139,92,246,.5); }
.dev-icon { font-size: 26px; display: block; margin-bottom: 12px; }
.dev-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; }
.dev-card p { color: rgba(255,255,255,.68); font-size: .9rem; }

/* screenshots reais do Izing Pro */
.shots { display: grid; gap: 28px; max-width: 980px; margin: 0 auto; }
.shot { margin: 0; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-lg); background: #fff; transition: transform .2s ease; }
.shot:hover { transform: translateY(-4px); }
.shot-bar { display: flex; align-items: center; gap: 8px; padding: 11px 16px; background: var(--navy-800); }
.shot-bar > span:not(.shot-url) { width: 11px; height: 11px; border-radius: 50%; }
.dotr { background: #ff5f57; } .doty { background: #febc2e; } .dotg { background: #28c840; }
.shot-url { margin-left: 10px; background: rgba(255,255,255,.1); color: rgba(255,255,255,.7); font-size: 12px; padding: 5px 14px; border-radius: 8px; }
.shot img { width: 100%; height: auto; display: block; }
.shot figcaption { padding: 14px 18px; font-size: .9rem; color: var(--muted); background: #fff; border-top: 1px solid var(--line); text-align: center; }
.editions-lead { text-align: center; max-width: 620px; margin: 52px auto 26px; font-size: 1.1rem; font-weight: 600; color: var(--navy-700); }

/* Izing showcase — imagem única com cards flutuantes */
.izing-showcase { position: relative; max-width: 1100px; margin: 0 auto; padding: 24px 0; }
.izing-shot { max-width: 720px; margin: 0 auto; position: relative; z-index: 2; }
.shot-stack { position: relative; aspect-ratio: 16 / 9; background: #fff; }
.shot-stack img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; display: block; }
.shot-stack .is-top { animation: imgSwap 12s ease-in-out infinite; }
@keyframes imgSwap { 0%, 40% { opacity: 1; } 50%, 90% { opacity: 0; } 100% { opacity: 1; } }
.fc {
  position: absolute; z-index: 3; display: flex; gap: 10px; align-items: flex-start; width: 232px;
  background: rgba(255,255,255,.96); border: 1px solid var(--line); border-radius: 14px;
  padding: 12px 14px; box-shadow: var(--shadow-lg); backdrop-filter: blur(4px);
  animation: fcFloat 5.5s ease-in-out infinite;
}
.fc i { font-style: normal; font-size: 17px; width: 34px; height: 34px; flex-shrink: 0; display: grid; place-items: center; background: var(--grad-soft); border-radius: 9px; }
.fc-txt strong { display: block; font-size: 13px; line-height: 1.2; margin-bottom: 3px; }
.fc-txt small { color: var(--muted); font-size: 11.5px; line-height: 1.35; display: block; }
.fc-1 { top: 4%; left: -8px; }
.fc-2 { top: 39%; left: -34px; animation-delay: .6s; }
.fc-3 { bottom: 4%; left: 8px; animation-delay: 1.2s; }
.fc-4 { top: 4%; right: -8px; animation-delay: .9s; }
.fc-5 { top: 39%; right: -34px; animation-delay: .3s; }
.fc-6 { bottom: 4%; right: 8px; animation-delay: 1.5s; }
@keyframes fcFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

@media (max-width: 1024px) {
  .izing-shot { max-width: 760px; }
  .fc { position: static; width: auto; animation: none; box-shadow: var(--shadow); }
  .fc-wrap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 26px; }
}
@media (max-width: 720px) { .fc-wrap { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .fc-wrap { grid-template-columns: 1fr; } }

.editions { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-top: 0; max-width: 880px; margin-inline: auto; }
.edition-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 30px; position: relative; transition: transform .2s ease, box-shadow .2s ease; }
.edition-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.edition-card.featured { border-color: var(--violet-500); box-shadow: var(--shadow); }
.edition-badge { position: absolute; top: 18px; right: 18px; font-size: 11px; font-weight: 700; padding: 4px 12px; border-radius: 999px; background: var(--bg-soft-2); color: var(--muted); }
.edition-badge.free { background: #dcfce7; color: #16a34a; }
.edition-card h3 { font-size: 1.25rem; font-weight: 800; margin: 6px 0 10px; }
.edition-card p { color: var(--muted); margin-bottom: 22px; }

@media (max-width: 760px) {
  .editions { grid-template-columns: 1fr; }
}

/* ---------- Produtos ---------- */
.products-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.product-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px; display: flex; flex-direction: column; gap: 10px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--blue-500); }
.product-card h3 { font-size: 1.12rem; font-weight: 700; }
.product-card p { color: var(--muted); font-size: .94rem; flex-grow: 1; }
.prod-link { font-weight: 600; font-size: .9rem; color: var(--violet-600); margin-top: 4px; word-break: break-word; }
.prod-pill {
  display: inline-block; vertical-align: middle; font-size: 10px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .5px; color: var(--violet-600);
  background: #ede9fe; padding: 3px 8px; border-radius: 999px; margin-left: 6px;
}
.product-card.highlight {
  grid-column: span 2; color: #fff;
  background: radial-gradient(130% 140% at 0% 0%, #1e3a8a 0%, #3b1d6e 70%, var(--navy-800) 100%);
  border-color: transparent;
}
.product-card.highlight p { color: rgba(255,255,255,.78); }
.product-card.highlight .prod-link { color: var(--cyan-400); }
.prod-tag {
  align-self: flex-start; font-size: 12px; font-weight: 700; color: var(--navy-900);
  background: var(--cyan-400); padding: 4px 12px; border-radius: 999px;
}

/* ---------- Tiers ---------- */
.tiers-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.tier-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 32px 28px; display: flex; flex-direction: column;
  transition: transform .2s ease, box-shadow .2s ease;
}
.tier-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.tier-card h3 { font-size: 1.35rem; font-weight: 800; }
.tier-sub { color: var(--muted); margin-bottom: 18px; }
.tier-card ul { display: flex; flex-direction: column; gap: 12px; margin-bottom: 26px; flex-grow: 1; }
.tier-card li { position: relative; padding-left: 28px; font-size: .96rem; }
.tier-card li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  width: 19px; height: 19px; border-radius: 50%; background: var(--grad-soft); color: var(--blue-600);
  font-size: 11px; font-weight: 800; display: grid; place-items: center;
}
.tier-card.featured {
  background: radial-gradient(140% 140% at 100% 0%, #3b1d6e 0%, #1e3a8a 55%, var(--navy-800) 100%); color: #fff;
  border-color: transparent; box-shadow: var(--shadow-lg); position: relative;
}
.tier-card.featured .tier-sub { color: rgba(255,255,255,.7); }
.tier-card.featured li::before { background: rgba(34,211,238,.2); color: var(--cyan-400); }
.tier-badge {
  position: absolute; top: 18px; right: 18px; font-size: 11px; font-weight: 700;
  background: var(--cyan-400); color: var(--navy-900); padding: 4px 12px; border-radius: 999px;
}

/* ---------- Stats band ---------- */
.stats-band { background: var(--navy-900); color: #fff; padding: 64px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat strong { display: block; font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat span { color: rgba(255,255,255,.65); font-size: .95rem; }

/* ---------- FAQ ---------- */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 4px 22px; transition: box-shadow .2s ease, border-color .2s ease;
}
.faq-item[open] { box-shadow: var(--shadow); border-color: var(--blue-500); }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 18px 0; font-weight: 600; font-size: 1.05rem;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; font-size: 24px; font-weight: 400; color: var(--blue-600); transition: transform .2s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { padding: 0 0 20px; color: var(--muted); }

/* ---------- CTA / contato ---------- */
.cta-section {
  background: radial-gradient(120% 130% at 0% 0%, #3b1d6e 0%, #122a6b 45%, var(--navy-900) 80%);
  color: #fff; padding: 90px 0;
}
.cta-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.cta-copy h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); font-weight: 800; letter-spacing: -.8px; line-height: 1.12; }
.cta-copy p { color: rgba(255,255,255,.78); margin: 14px 0 26px; font-size: 1.06rem; }
.contact-list { display: flex; flex-direction: column; gap: 14px; }
.contact-list li { display: flex; align-items: center; gap: 12px; font-size: .98rem; color: rgba(255,255,255,.85); }
.contact-list a:hover { color: var(--cyan-400); }
.ci { font-size: 18px; }

.cta-form {
  background: #fff; color: var(--ink); border-radius: var(--radius-lg);
  padding: 32px; box-shadow: var(--shadow-lg);
}
.cta-form h3 { font-size: 1.3rem; font-weight: 800; margin-bottom: 20px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--navy-700); }
.field input, .field select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 11px;
  font-size: 15px; font-family: inherit; color: var(--ink); background: var(--bg-soft); transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus, .field select:focus { outline: none; border-color: var(--blue-500); box-shadow: 0 0 0 3px rgba(59,130,246,.15); background: #fff; }
.field input.invalid, .field select.invalid { border-color: #ef4444; box-shadow: 0 0 0 3px rgba(239,68,68,.12); }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; opacity: 0; }
.form-note { font-size: 12px; color: var(--muted); margin-top: 12px; text-align: center; }
.form-success { margin-top: 14px; text-align: center; font-weight: 600; color: #16a34a; background: #dcfce7; padding: 12px; border-radius: 11px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-900); color: rgba(255,255,255,.75); padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.3fr; gap: 36px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-logo-chip {
  display: inline-flex; background: #fff; border-radius: 12px;
  padding: 10px 16px; margin-bottom: 18px; box-shadow: 0 8px 22px -10px rgba(0,0,0,.5);
}
.footer-logo-chip img { height: 42px; width: auto; display: block; }
.footer-brand p { font-size: .92rem; max-width: 320px; color: rgba(255,255,255,.6); }
.footer-col h4 { color: #fff; font-size: .95rem; margin-bottom: 16px; }
.footer-col a, .footer-col span { display: block; font-size: .92rem; margin-bottom: 10px; color: rgba(255,255,255,.65); transition: color .15s ease; }
.footer-col a:hover { color: var(--cyan-400); }
.footer-legal-note { padding-top: 22px; font-size: .8rem; color: rgba(255,255,255,.4); line-height: 1.5; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 16px; font-size: .85rem; color: rgba(255,255,255,.5); }
.footer-legal { display: flex; gap: 22px; }
.footer-legal a:hover { color: var(--cyan-400); }

/* ---------- WhatsApp float ---------- */
.whatsapp-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  width: 56px; height: 56px; border-radius: 50%; background: #25d366; color: #fff;
  display: grid; place-items: center; box-shadow: 0 10px 24px -6px rgba(37,211,102,.6);
  transition: transform .2s ease;
}
.whatsapp-float:hover { transform: scale(1.08); }

/* ---------- Subpáginas legais (Termos / Privacidade) ---------- */
.subpage { padding-top: var(--header-h); }
.legal-hero {
  background: radial-gradient(120% 130% at 85% 0%, #3b1d6e 0%, #122a6b 45%, var(--navy-900) 80%);
  color: #fff; padding: 56px 0 60px; position: relative; overflow: hidden;
}
.legal-hero .container { position: relative; z-index: 1; }
.legal-hero .eyebrow { color: var(--cyan-400); }
.legal-hero h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; letter-spacing: -.8px; }
.legal-hero .legal-meta { color: rgba(255,255,255,.7); margin-top: 12px; font-size: .95rem; }
.legal-hero .breadcrumb { font-size: .9rem; color: rgba(255,255,255,.6); margin-bottom: 16px; }
.legal-hero .breadcrumb a { color: var(--cyan-400); }

.legal-body { padding: 56px 0 80px; }
.legal-content { max-width: 820px; margin-inline: auto; }
.legal-intro {
  font-size: 1.05rem; color: var(--navy-700); background: var(--bg-soft);
  border-left: 3px solid var(--blue-500); border-radius: 0 12px 12px 0;
  padding: 18px 22px; margin-bottom: 36px;
}
.legal-content h2 {
  font-size: 1.3rem; font-weight: 800; letter-spacing: -.3px; color: var(--ink);
  margin: 38px 0 12px; padding-top: 18px; border-top: 1px solid var(--line);
}
.legal-content h2:first-of-type { border-top: 0; padding-top: 0; }
.legal-content h3 { font-size: 1.05rem; font-weight: 700; margin: 22px 0 8px; color: var(--navy-700); }
.legal-content p { color: var(--muted); margin-bottom: 14px; }
.legal-content ul { margin: 0 0 16px; padding-left: 4px; display: flex; flex-direction: column; gap: 8px; }
.legal-content li { position: relative; padding-left: 22px; color: var(--muted); }
.legal-content li::before {
  content: ""; position: absolute; left: 2px; top: 10px; width: 7px; height: 7px;
  border-radius: 50%; background: var(--grad);
}
.legal-content strong { color: var(--navy-700); }
.legal-content a { color: var(--violet-600); font-weight: 600; }
.legal-contact-card {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px; margin-top: 28px; display: flex; flex-direction: column; gap: 8px;
}
.legal-contact-card span { color: var(--muted); }
.legal-accept {
  margin-top: 30px; font-weight: 600; color: var(--navy-700);
  background: var(--grad-soft); border-radius: 12px; padding: 16px 20px;
}
.legal-toc {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px; margin-bottom: 36px;
}
.legal-toc h2 { border: 0; padding: 0; margin: 0 0 12px; font-size: 1rem; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); }
.legal-toc ol { margin: 0; padding-left: 20px; columns: 2; column-gap: 28px; }
.legal-toc li { margin-bottom: 6px; }
.legal-toc a { color: var(--navy-700); font-weight: 500; }
.legal-toc a:hover { color: var(--violet-600); }
@media (max-width: 560px) { .legal-toc ol { columns: 1; } }

/* ---------- Página de login (Área do Cliente) ---------- */
.auth { display: grid; grid-template-columns: 1fr 1fr; min-height: calc(100vh - var(--header-h)); }
.auth-aside {
  position: relative; overflow: hidden; color: #fff; padding: 64px 56px;
  display: flex; flex-direction: column; justify-content: center;
  background: radial-gradient(120% 130% at 80% 0%, #3b1d6e 0%, #122a6b 55%, var(--navy-900) 100%);
}
.auth-orb { position: absolute; width: 340px; height: 340px; border-radius: 50%; background: var(--violet-600); filter: blur(90px); opacity: .4; top: -100px; right: -60px; }
.auth-aside-inner { position: relative; z-index: 1; max-width: 420px; }
.auth-chip { display: inline-flex; background: #fff; border-radius: 12px; padding: 10px 16px; margin-bottom: 28px; box-shadow: 0 8px 22px -10px rgba(0,0,0,.5); }
.auth-chip img { height: 40px; width: auto; display: block; }
.auth-aside h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; line-height: 1.15; margin-bottom: 14px; }
.auth-aside > .auth-aside-inner > p { color: rgba(255,255,255,.78); margin-bottom: 26px; }
.auth-bullets { display: flex; flex-direction: column; gap: 12px; }
.auth-bullets li { display: flex; gap: 10px; align-items: center; color: rgba(255,255,255,.9); font-size: .95rem; }

.auth-main { display: flex; align-items: center; justify-content: center; padding: 56px 24px; background: var(--bg-soft); }
.auth-card { width: 100%; max-width: 420px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow); }
.auth-card h1 { font-size: 1.5rem; font-weight: 800; margin-bottom: 6px; }
.auth-sub { color: var(--muted); margin-bottom: 24px; font-size: .95rem; }
.auth-row { display: flex; justify-content: space-between; align-items: center; margin: 2px 0 20px; font-size: 13px; }
.auth-row a { color: var(--violet-600); font-weight: 600; }
.remember { display: flex; align-items: center; gap: 8px; color: var(--muted); cursor: pointer; }
.remember input { width: auto; }
.auth-foot { text-align: center; margin-top: 22px; font-size: 14px; color: var(--muted); }
.auth-foot a { color: var(--violet-600); font-weight: 700; }
.auth-note { text-align: center; margin-top: 14px; font-size: 12px; color: var(--muted-2); }
.auth-footer { background: var(--navy-900); color: rgba(255,255,255,.55); padding: 20px 0; font-size: .85rem; }
.auth-footer .container { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.auth-footer a { color: rgba(255,255,255,.7); }
.auth-footer a:hover { color: var(--cyan-400); }
@media (max-width: 860px) {
  .auth { grid-template-columns: 1fr; min-height: 0; }
  .auth-aside { display: none; }
  .auth-footer .container { flex-direction: column; text-align: center; }
}

/* ---------- Carrossel de parceiros ---------- */
.partners .section-head { margin-bottom: 36px; }
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: flex; align-items: center; gap: 56px; width: max-content; animation: marquee 22s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.partner { flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; height: 72px; padding: 0 6px; opacity: .9; transition: opacity .2s ease, transform .2s ease; }
.partner img { max-height: 60px; width: auto; object-fit: contain; }
.partner:hover { opacity: 1; transform: translateY(-3px); }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- Seletor de idioma (flutuante) ---------- */
.lang-switch { position: fixed; top: 14px; right: 16px; z-index: 1100; font-family: var(--font); }
.lang-btn { display: inline-flex; align-items: center; gap: 7px; background: rgba(255,255,255,.92); backdrop-filter: blur(8px); border: 1px solid var(--line); border-radius: 999px; padding: 8px 12px; font-size: 13px; font-weight: 700; color: var(--navy-800); box-shadow: var(--shadow); cursor: pointer; }
.lang-btn:hover { border-color: var(--blue-500); }
.lang-btn svg { opacity: .8; }
.lang-caret { font-size: 10px; opacity: .7; }
.lang-menu { position: absolute; top: calc(100% + 8px); right: 0; background: #fff; border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow-lg); padding: 6px; min-width: 156px; display: none; }
.lang-switch.open .lang-menu { display: block; }
.lang-menu button { display: block; width: 100%; text-align: left; background: none; border: 0; padding: 9px 12px; border-radius: 8px; font-size: 13.5px; font-weight: 600; color: var(--navy-700); cursor: pointer; }
.lang-menu button:hover { background: var(--bg-soft); }
.lang-menu button.active { background: var(--grad-soft); color: var(--blue-700); }
@media (max-width: 780px) { .lang-switch { top: 12px; right: 60px; } .lang-btn { padding: 7px 10px; } }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero-copy .lead { margin-inline: auto; }
  .hero-cta, .hero-points { justify-content: center; }
  .hero-visual { margin-top: 10px; }
  .float-stat-1 { left: 0; } .float-stat-2 { right: 0; }
  .cta-inner { grid-template-columns: 1fr; gap: 36px; }
  .channels-grid { grid-template-columns: repeat(3, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .product-card.highlight { grid-column: span 2; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 780px) {
  .nav, .header-actions { display: none; }
  .nav-toggle { display: flex; }
  .nav.open {
    display: flex; flex-direction: column; gap: 0;
    position: fixed; top: var(--header-h); left: 0; right: 0;
    background: #fff; padding: 12px 24px 20px; box-shadow: var(--shadow);
    border-bottom: 1px solid var(--line); max-height: calc(100vh - var(--header-h)); overflow-y: auto;
  }
  .site-header .nav.open a { color: var(--navy-800) !important; padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav.open a::after { display: none; }
  .tiers-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .section { padding: 64px 0; }
  .channels-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .product-card.highlight { grid-column: span 1; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 30px 16px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .float-stat { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}