/* =========================================================================
   Tokens — mesma paleta do app (preset Aura em src/app/theme.ts do front):
   primária índigo, destaque ciano, superfícies zinc. Fontes Sora + Inter.
   ========================================================================= */
:root {
  --primary: #6366f1;          /* indigo-500 (primary.500 do Aura) */
  --primary-hover: #4f46e5;    /* indigo-600 */
  --primary-soft: #eef2ff;     /* indigo-50 */
  --accent: #06b6d4;           /* cyan-500 */

  --bg: #ffffff;
  --surface: #ffffff;
  --surface-alt: #fafafa;      /* zinc-50 */
  --border: #e4e4e7;           /* zinc-200 */
  --text: #18181b;             /* zinc-900 */
  --muted: #71717a;            /* zinc-500 */

  --hero-grad: radial-gradient(80% 120% at 75% 30%, #e0e7ff 0%, #cffafe 55%, #ffffff 100%);

  /* Tons dos cartões (um por cartão, via style="--tone: …") */
  --indigo: #6366f1; --cyan: #06b6d4; --violet: #8b5cf6; --emerald: #10b981;
  --amber: #f59e0b; --rose: #f43f5e; --sky: #0ea5e9; --teal: #14b8a6;

  --radius: 12px;
  --shadow: 0 1px 2px rgb(0 0 0 / .04), 0 8px 24px rgb(24 24 27 / .06);
  --font-display: 'Sora', sans-serif;
  --font-sans: 'Inter', sans-serif;
  color-scheme: light dark;
}

/* Modo escuro segue o sistema, como o padrão do app */
@media (prefers-color-scheme: dark) {
  :root {
    --primary: #818cf8;        /* indigo-400 */
    --primary-hover: #a5b4fc;
    --primary-soft: rgb(99 102 241 / .16);
    --bg: #09090b;             /* zinc-950 */
    --surface: #18181b;        /* zinc-900 */
    --surface-alt: #111113;
    --border: #27272a;         /* zinc-800 */
    --text: #fafafa;
    --muted: #a1a1aa;          /* zinc-400 */
    --hero-grad: radial-gradient(80% 120% at 75% 30%, rgb(99 102 241 / .28) 0%, rgb(6 182 212 / .12) 55%, #09090b 100%);
    --shadow: 0 1px 2px rgb(0 0 0 / .3), 0 8px 24px rgb(0 0 0 / .35);
  }
}

/* =========================================================================
   Base
   ========================================================================= */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.2; margin: 0; letter-spacing: -0.02em; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 768px) { .container { padding: 0 32px; } }

/* =========================================================================
   Botões (visual do p-button do Aura)
   ========================================================================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 18px; border-radius: 999px; border: 1px solid transparent;
  font-weight: 600; font-size: 15px; cursor: pointer;
  transition: background .15s, color .15s, border-color .15s, box-shadow .15s;
}
.btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.btn-lg { padding: 13px 26px; font-size: 16px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
@media (prefers-color-scheme: dark) { .btn-primary { color: #09090b; } }
.btn-outlined { border-color: var(--primary); color: var(--primary); background: transparent; }
.btn-outlined:hover { background: var(--primary-soft); }
.btn-text { color: var(--text); }
.btn-text:hover { background: var(--primary-soft); color: var(--primary); }
.btn-light { background: #fff; color: #4338ca; }
.btn-light:hover { background: #eef2ff; }
.btn-ghost-light { border-color: rgb(255 255 255 / .5); color: #fff; }
.btn-ghost-light:hover { background: rgb(255 255 255 / .12); }

.tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border-radius: 999px;
  background: var(--primary-soft); color: var(--primary);
  font-size: 13px; font-weight: 600;
}

/* =========================================================================
   Topbar
   ========================================================================= */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner { display: flex; align-items: center; gap: 24px; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; font-size: 20px; }
.topbar-links { display: flex; gap: 4px; margin-left: auto; }
.topbar-links a { padding: 8px 14px; border-radius: 8px; color: var(--muted); font-weight: 500; font-size: 15px; }
.topbar-links a:hover { color: var(--text); background: var(--surface-alt); }
.topbar-actions { display: flex; gap: 8px; margin-left: 16px; }
.topbar-toggle {
  display: none; margin-left: auto; width: 42px; height: 42px; border-radius: 50%;
  border: 0; background: transparent; color: var(--text); cursor: pointer; font-size: 18px;
}
.topbar-toggle:hover { background: var(--surface-alt); }
.topbar-mobile { display: none; }

@media (max-width: 991px) {
  .topbar-links, .topbar-actions { display: none; }
  .topbar-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .topbar.mobile-open .topbar-mobile {
    display: flex; flex-direction: column; gap: 4px;
    padding: 12px 16px 20px; border-top: 1px solid var(--border); background: var(--bg);
  }
  .topbar-mobile > a:not(.btn) { padding: 10px 8px; font-weight: 500; }
  .topbar-mobile .btn { margin-top: 8px; }
}

/* =========================================================================
   Hero
   ========================================================================= */
.hero { background: var(--hero-grad); padding: 72px 0 0; overflow: hidden; }
.hero-copy { text-align: center; max-width: 880px; }
.hero h1 { font-size: clamp(34px, 6vw, 60px); font-weight: 700; margin-top: 20px; }
.hero h1 .light { font-weight: 400; color: var(--muted); }
.hero-sub { font-size: clamp(16px, 2vw, 19px); color: var(--muted); max-width: 680px; margin: 20px auto 0; }
.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 32px; }
.hero-note { margin-top: 16px; font-size: 14px; color: var(--muted); }
.hero-note i { color: var(--emerald); margin-right: 4px; }

/* Mockup do painel (imita a casca Sakai do app) */
.mock {
  margin: 56px auto 0; max-width: 1040px;
  border: 1px solid var(--border); border-bottom: 0; border-radius: 16px 16px 0 0;
  background: var(--surface); box-shadow: 0 -8px 40px rgb(79 70 229 / .15); overflow: hidden;
}
.mock-topbar { display: flex; align-items: center; gap: 12px; padding: 10px 14px; border-bottom: 1px solid var(--border); background: var(--surface-alt); }
.mock-dots { display: flex; gap: 6px; }
.mock-dots span { width: 10px; height: 10px; border-radius: 50%; background: var(--border); }
.mock-url { flex: 1; max-width: 280px; margin: 0 auto; padding: 3px 12px; border-radius: 999px; background: var(--surface); border: 1px solid var(--border); font-size: 12px; color: var(--muted); text-align: center; }
.mock-app { display: grid; grid-template-columns: 200px 1fr; min-height: 360px; }
.mock-menu { padding: 16px 12px; border-right: 1px solid var(--border); display: flex; flex-direction: column; gap: 2px; font-size: 13px; }
.mock-menu-title { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 10px 8px 4px; }
.mock-menu-title:first-child { margin-top: 0; }
.mock-menu span { display: flex; align-items: center; gap: 8px; padding: 6px 8px; border-radius: 8px; }
.mock-menu span i { font-size: 13px; color: var(--muted); }
.mock-menu span.active { background: var(--primary-soft); color: var(--primary); font-weight: 600; }
.mock-menu span.active i { color: var(--primary); }
.mock-main { padding: 20px; background: var(--surface-alt); display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.mock-eyebrow { font-size: 12px; color: var(--primary); font-weight: 600; }
.mock-title { font-family: var(--font-display); font-weight: 700; font-size: 20px; margin-top: -10px; }
.mock-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.mock-card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; display: flex; flex-direction: column; gap: 2px; font-size: 12px; color: var(--muted); min-width: 0; }
.mock-card strong { font-family: var(--font-display); font-size: 22px; color: var(--text); }
.mock-card small { font-size: 11px; }
.mock-card small.up { color: var(--emerald); }
.mock-row { display: grid; grid-template-columns: 1.2fr 1fr; gap: 12px; }
.bars { display: flex; align-items: flex-end; gap: 8px; height: 110px; margin-top: 10px; }
.bars i { flex: 1; border-radius: 6px 6px 2px 2px; background: color-mix(in srgb, var(--primary) 25%, transparent); }
.bars i.hi { background: linear-gradient(180deg, var(--accent), var(--primary)); }
.mock-chat { gap: 6px; }
.bubble { max-width: 90%; padding: 7px 10px; border-radius: 10px; font-size: 12px; line-height: 1.4; color: var(--text); }
.bubble.bot { background: var(--surface-alt); border: 1px solid var(--border); border-bottom-left-radius: 2px; }
.bubble.me { align-self: flex-end; background: var(--primary); color: #fff; border-bottom-right-radius: 2px; }

@media (max-width: 767px) {
  .mock-app { grid-template-columns: 1fr; }
  .mock-menu { display: none; }
  .mock-stats { grid-template-columns: repeat(2, 1fr); }
  .mock-row { grid-template-columns: 1fr; }
}

/* =========================================================================
   Faixa "para quem"
   ========================================================================= */
.strip { padding: 40px 0; border-bottom: 1px solid var(--border); text-align: center; }
.strip p { color: var(--muted); font-size: 14px; font-weight: 500; }
.chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 16px; }
.chips span {
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px;
  border: 1px solid var(--border); border-radius: 999px; font-size: 14px; font-weight: 500; background: var(--surface);
}
.chips i { color: var(--primary); }

/* =========================================================================
   Seções
   ========================================================================= */
.section { padding: 96px 0; }
.section-alt { background: var(--surface-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-head h2 { font-size: clamp(28px, 4vw, 40px); margin-top: 14px; }
.section-head p { color: var(--muted); font-size: 17px; margin-top: 14px; }
@media (max-width: 767px) { .section { padding: 64px 0; } .section-head { margin-bottom: 36px; } }

/* Cartões com borda em gradiente (padrão da landing do Sakai) */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 1199px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 575px) { .feature-grid { grid-template-columns: 1fr; } }
.feature {
  padding: 2px; border-radius: 14px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--tone) 45%, transparent), color-mix(in srgb, var(--tone) 5%, transparent));
  transition: transform .2s;
}
.feature:hover { transform: translateY(-4px); }
.feature-inner { height: 100%; padding: 24px; border-radius: 12px; background: var(--surface); }
.feature-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 52px; height: 52px; border-radius: 12px; margin-bottom: 18px;
  background: color-mix(in srgb, var(--tone) 15%, transparent); color: var(--tone); font-size: 22px;
}
.feature h3 { font-size: 18px; margin-bottom: 8px; }
.feature p { color: var(--muted); font-size: 15px; }

/* Destaques alternados */
.highlight { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.highlight + .highlight { margin-top: 96px; }
.highlight.reverse .highlight-visual { order: 2; }
@media (max-width: 991px) {
  .highlight { grid-template-columns: 1fr; gap: 32px; }
  .highlight + .highlight { margin-top: 64px; }
  .highlight.reverse .highlight-visual { order: 0; }
  .highlight-visual { width: 100%; max-width: 560px; margin: 0 auto; }
}
@media (max-width: 575px) { .highlight-visual { padding: 16px; } }
.highlight-visual {
  padding: 32px; border-radius: 20px;
  background: radial-gradient(120% 120% at 0% 0%, color-mix(in srgb, var(--tone) 22%, transparent), color-mix(in srgb, var(--tone) 4%, transparent));
}
.highlight-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; border-radius: 12px; font-size: 20px;
  background: color-mix(in srgb, var(--tone) 15%, transparent); color: var(--tone);
}
.highlight-copy h3 { font-size: clamp(24px, 3vw, 30px); margin: 18px 0 14px; }
.highlight-copy p { color: var(--muted); font-size: 16px; }
.highlight-copy strong { color: var(--text); }
.check-list { list-style: none; padding: 0; margin: 20px 0 0; display: flex; flex-direction: column; gap: 10px; }
.check-list li { display: flex; gap: 10px; align-items: baseline; }
.check-list i { color: var(--primary); font-size: 13px; }

/* Visuais dos destaques */
.list-card, .studio-card, .flow-card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--shadow); }
.list-card { padding: 8px; }
.list-item { display: flex; align-items: center; gap: 12px; padding: 12px; border-radius: 10px; }
.list-item + .list-item { border-top: 1px solid var(--border); border-radius: 0; }
.list-item div { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.list-item strong { font-size: 14px; }
.list-item small { color: var(--muted); font-size: 12px; }
.avatar {
  display: inline-flex; align-items: center; justify-content: center; flex: none;
  width: 36px; height: 36px; border-radius: 50%; font-size: 12px; font-weight: 700;
  background: var(--primary-soft); color: var(--primary);
}
.pill { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 999px; font-size: 11px; font-weight: 600; background: var(--surface-alt); color: var(--muted); border: 1px solid var(--border); white-space: nowrap; }
.pill.ok { background: color-mix(in srgb, var(--emerald) 15%, transparent); color: var(--emerald); border-color: transparent; }
.pill.info { background: color-mix(in srgb, var(--cyan) 15%, transparent); color: #0891b2; border-color: transparent; }
@media (prefers-color-scheme: dark) { .pill.info { color: #22d3ee; } }

.studio-card { padding: 18px; display: flex; flex-direction: column; gap: 14px; }
.studio-head { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.studio-head i { color: var(--cyan); }
.studio-head .pill { margin-left: auto; }
.studio-scenes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.studio-scenes span {
  display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 14px 4px;
  border-radius: 10px; background: var(--surface-alt); border: 1px solid var(--border); font-size: 11px; color: var(--muted);
}
.studio-scenes i { font-size: 18px; color: var(--primary); }
.studio-clips { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.studio-clips div {
  aspect-ratio: 9 / 12; border-radius: 10px; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; gap: 6px; padding: 10px;
  background: linear-gradient(160deg, #22d3ee, #4f46e5);
  color: #fff;
}
.studio-clips i { font-size: 18px; }
.studio-clips small { font-size: 11px; font-weight: 600; }

.flow-card { padding: 24px; display: flex; flex-direction: column; align-items: center; }
.flow-node {
  display: flex; align-items: center; gap: 10px; width: 100%; max-width: 280px; padding: 12px 16px;
  border: 1px solid var(--border); border-radius: 10px; background: var(--surface-alt); font-size: 14px; font-weight: 500;
}
.flow-node i { color: var(--violet); }
.flow-node.hi { background: var(--primary); border-color: var(--primary); color: #fff; }
.flow-node.hi i { color: #fff; }
.flow-link { width: 2px; height: 22px; background: color-mix(in srgb, var(--violet) 45%, transparent); }

/* Recursos */
.resource-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 991px) { .resource-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 575px) { .resource-grid { grid-template-columns: 1fr; } }
.resource { padding: 24px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); transition: border-color .2s, box-shadow .2s; }
.resource:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.resource i { font-size: 22px; color: var(--primary); }
.resource h3 { font-size: 17px; margin: 14px 0 6px; }
.resource p { color: var(--muted); font-size: 15px; }

/* Passos */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: none; }
@media (max-width: 991px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 575px) { .steps { grid-template-columns: 1fr; } }
.steps li { padding: 24px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); }
.step-num {
  display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; font-family: var(--font-display); font-weight: 700;
}
.steps h3 { font-size: 17px; margin: 16px 0 6px; }
.steps p { color: var(--muted); font-size: 15px; }

/* CTA */
.cta {
  text-align: center; padding: 64px 24px; border-radius: 24px; color: #fff;
  background: radial-gradient(120% 140% at 80% 0%, #06b6d4 0%, #4f46e5 45%, #312e81 100%);
}
.cta h2 { font-size: clamp(28px, 4vw, 40px); }
.cta p { margin: 14px auto 0; max-width: 560px; color: rgb(255 255 255 / .85); font-size: 17px; }

/* =========================================================================
   Rodapé
   ========================================================================= */
.footer { border-top: 1px solid var(--border); padding: 56px 0 24px; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; }
@media (max-width: 767px) { .footer-inner { grid-template-columns: 1fr 1fr; } .footer-brand { grid-column: 1 / -1; } }
.footer-brand p { color: var(--muted); font-size: 14px; margin-top: 12px; max-width: 320px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h4 { font-size: 14px; margin-bottom: 4px; }
.footer-col a { color: var(--muted); font-size: 14px; }
.footer-col a:hover { color: var(--primary); }
.footer-bottom { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--border); color: var(--muted); font-size: 13px; }

/* =========================================================================
   Revelar ao rolar
   ========================================================================= */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in-view { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .feature:hover { transform: none; }
}