/* ===== HINO SISTEMAS — DESIGN SYSTEM ===== */

:root {
  /* ===== PALETA ABISSAL — Manual da marca Hino v1.0 =====
     Escuro domina (70%) · Ciano estrutura (20%) · Aqua bioluminescente destaca (10%) */
  --abismo:      #02060F;  /* fundo principal        */
  --profundo:    #07203A;  /* painéis / cards          */
  --meia-agua:   #0B3354;  /* bordas / brilho de fundo */
  --ciano:       #18B5F5;  /* cor de marca / links     */
  --aqua:        #25E0C6;  /* destaque / CTA / positivo */
  --espuma:      #DCF6FF;  /* texto sobre escuro       */

  --navy:        #0B3354;
  --navy-2:      #07203A;
  --cyan:        var(--ciano);
  --cyan-2:      var(--aqua);
  --accent:      var(--ciano);
  --accent-2:    var(--aqua);

  --bg:          #02060F;
  --bg-2:        #06182C;
  --surface:     rgba(7, 32, 58, 0.55);
  --surface-2:   rgba(24, 181, 245, 0.04);
  --line:        rgba(24, 181, 245, 0.14);
  --line-strong: rgba(24, 181, 245, 0.30);

  --fg:          #EAF9FF;
  --fg-2:        rgba(220, 246, 255, 0.80);
  --fg-3:        rgba(220, 246, 255, 0.52);
  --fg-4:        rgba(220, 246, 255, 0.30);

  --good:        #25E0C6;
  --warn:        #fbbf24;
  --bad:         #ef4444;

  /* Gradiente Hino — botões e detalhes de luz */
  --grad-hino:   linear-gradient(100deg, #18B5F5 0%, #25E0C6 100%);

  --radius:      12px;
  --radius-s:    6px;

  --container:   1300px;

  --font-head:   'Chakra Petch', 'Inter', sans-serif;
  --font-body:   'IBM Plex Sans', 'Inter', sans-serif;
  --font-mono:   'IBM Plex Mono', 'Space Mono', monospace;
}

/* Theme: Claro — "sobre fundo claro / versão original" do manual */
html[data-theme="light"] {
  --bg:        #F1F8FE;
  --bg-2:      #ffffff;
  --surface:   #ffffff;
  --surface-2: #EAF4FD;
  --line:      rgba(11, 51, 84, 0.12);
  --line-strong: rgba(11, 51, 84, 0.24);

  --fg:        #02060F;
  --fg-2:      rgba(2, 6, 15, 0.78);
  --fg-3:      rgba(2, 6, 15, 0.55);
  --fg-4:      rgba(2, 6, 15, 0.32);

  --cyan:      #0E8FD6;
  --cyan-2:    #18B5F5;
  --navy:      #0B3354;
  --accent:    #0E8FD6;
  --accent-2:  #18B5F5;
  --good:      #12B39A;
}

/* Acentos on-brand — Ciano Hino (estrutura) e Aqua bioluminescente (luz) */
html[data-accent="cyan"] { --accent: #18B5F5; --accent-2: #25E0C6; }
html[data-accent="aqua"] { --accent: #25E0C6; --accent-2: #18B5F5; }
html[data-theme="light"][data-accent="cyan"] { --accent: #0E8FD6; --accent-2: #18B5F5; }
html[data-theme="light"][data-accent="aqua"] { --accent: #12B39A; --accent-2: #25E0C6; }

/* ===== Base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.55;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

.container { max-width: var(--container); margin: 0 auto; padding: 0 clamp(22px, 4vw, 56px); }

/* ===== Background canvas — Gradiente Abissal + traços de circuito ===== */
.page-bg {
  position: fixed; inset: 0; z-index: -2;
  background:
    radial-gradient(120% 90% at 78% -10%, color-mix(in oklab, var(--ciano) 18%, transparent) 0%, transparent 42%),
    radial-gradient(90% 80% at 8% 100%, color-mix(in oklab, var(--meia-agua) 55%, transparent) 0%, transparent 46%),
    radial-gradient(140% 120% at 50% 0%, #06182C 0%, #030B16 45%, var(--bg) 100%);
}
.page-bg::after {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, #000 0%, transparent 70%);
  opacity: 0.5;
}
/* Partículas de luz bioluminescentes — esparsas, com parcimônia */
.page-bg::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    radial-gradient(1.5px 1.5px at 18% 32%, color-mix(in oklab, var(--aqua) 90%, transparent), transparent),
    radial-gradient(1.5px 1.5px at 72% 18%, color-mix(in oklab, var(--ciano) 90%, transparent), transparent),
    radial-gradient(1px 1px at 42% 68%, color-mix(in oklab, var(--aqua) 80%, transparent), transparent),
    radial-gradient(1.5px 1.5px at 88% 74%, color-mix(in oklab, var(--ciano) 80%, transparent), transparent),
    radial-gradient(1px 1px at 60% 88%, color-mix(in oklab, var(--aqua) 80%, transparent), transparent),
    radial-gradient(1px 1px at 30% 12%, color-mix(in oklab, var(--ciano) 70%, transparent), transparent);
  opacity: 0.55; animation: biolum 6s ease-in-out infinite;
}
@keyframes biolum { 0%,100% { opacity: 0.30; } 50% { opacity: 0.7; } }
html[data-theme="light"] .page-bg { background: radial-gradient(140% 120% at 50% 0%, #ffffff 0%, #EAF4FD 60%, var(--bg) 100%); }
html[data-theme="light"] .page-bg::after { opacity: 0.5; }
html[data-theme="light"] .page-bg::before { display: none; }

/* ===== Type ===== */
.mono { font-family: var(--font-mono); }
.mono-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  display: inline-flex; align-items: center; gap: 8px;
}
.mono-tag::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}

.eyebrow {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 2px;
  text-transform: uppercase; color: var(--fg-3);
}

.h-display {
  font-family: var(--font-head); font-weight: 700;
  font-size: clamp(48px, 7vw, 104px); line-height: 0.95;
  text-transform: uppercase; letter-spacing: -0.01em;
}
.h-section {
  font-family: var(--font-head); font-weight: 700;
  font-size: clamp(38px, 4.6vw, 64px); line-height: 1.02;
  text-transform: uppercase; letter-spacing: -0.005em;
}
.h-card {
  font-family: var(--font-head); font-weight: 800;
  font-size: clamp(22px, 2vw, 28px); line-height: 1.05;
  text-transform: uppercase;
}
.lead { color: var(--fg-2); font-size: clamp(16px, 1.4vw, 19px); max-width: 60ch; }

.accent { color: var(--accent); text-shadow: 0 0 22px color-mix(in oklab, var(--accent) 45%, transparent); }
html[data-theme="light"] .accent { text-shadow: none; }

/* ===== Glass surface ===== */
.glass {
  background: var(--surface);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
html[data-theme="light"] .glass { backdrop-filter: none; -webkit-backdrop-filter: none; box-shadow: 0 1px 0 var(--line); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 28px; border-radius: 6px;
  font-weight: 700; font-size: 13px; letter-spacing: 0.05em;
  text-transform: uppercase; transition: 0.25s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--grad-hino); color: #02060F; box-shadow: 0 6px 22px color-mix(in oklab, var(--ciano) 30%, transparent); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 12px 34px color-mix(in oklab, var(--aqua) 42%, transparent), 0 0 0 1px color-mix(in oklab, var(--aqua) 40%, transparent); }
html[data-theme="light"] .btn-primary { color: #ffffff; }
.btn-ghost { border: 1px solid var(--line-strong); color: var(--fg); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-lg { padding: 18px 34px; font-size: 13px; }
.btn .arr { transition: transform .2s ease; }
.btn:hover .arr { transform: translateX(4px); }

/* ===== Navbar ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 72px; display: flex; align-items: center;
  background: color-mix(in oklab, var(--bg) 80%, transparent);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; gap: 30px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { height: 30px; width: auto; object-fit: contain; filter: drop-shadow(0 0 12px color-mix(in oklab, var(--ciano) 65%, transparent)); }
html[data-theme="light"] .brand-mark { filter: none; }
.brand-text {
  font-family: var(--font-head); font-weight: 700; font-size: 22px; letter-spacing: 0.05em;
  display: flex; gap: 4px;
}
.brand-text b { color: var(--fg); }
.brand-text span { color: var(--accent); }
.nav-links { display: flex; gap: 32px; }
.nav-links a {
  font-size: 12px; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--fg-3); transition: 0.2s;
  position: relative; padding: 4px 0;
}
.nav-links a:hover, .nav-links a.active { color: var(--fg); }
.nav-links a.active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -4px;
  height: 2px; background: var(--accent);
}
/* Hamburger (mobile) */
.nav-toggle {
  display: none; background: none; border: 1px solid var(--line);
  border-radius: 6px; width: 42px; height: 38px; cursor: pointer;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--fg); transition: .25s; }
.nav.open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav.open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav.open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Footer ===== */
.footer {
  background: var(--bg-2); border-top: 1px solid var(--line);
  padding: 80px 0 32px; margin-top: 80px;
}
.footer-grid {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 48px;
}
.footer-col h6 {
  font-family: var(--font-mono); color: var(--accent);
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  margin-bottom: 18px;
}
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: var(--fg-3); font-size: 14px; transition: .2s; }
.footer-col a:hover { color: var(--fg); }
.footer-bottom {
  margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-family: var(--font-mono); font-size: 11px; color: var(--fg-4);
  letter-spacing: 0.08em; text-transform: uppercase;
}
.footer-mini { color: var(--fg-3); font-size: 13px; max-width: 36ch; margin-top: 14px; line-height: 1.5; }

/* ===== Reveal animation ===== */
.reveal { opacity: 0; transform: translateY(28px); transition: 0.8s cubic-bezier(0.2, 0.85, 0.3, 1); }
.reveal.in { opacity: 1; transform: none; }

/* ===== Page intro hero ===== */
.page-intro { padding: 140px 0 60px; border-bottom: 1px solid var(--line); }
.page-intro h1 { font-family: var(--font-head); font-weight: 700; font-size: clamp(54px, 6.5vw, 84px); text-transform: uppercase; line-height: 1; margin-top: 14px; }
.page-intro p { color: var(--fg-2); margin-top: 22px; font-size: 19px; max-width: 70ch; }
.page-intro .crumbs { font-family: var(--font-mono); font-size: 11px; color: var(--fg-3); letter-spacing: 0.16em; text-transform: uppercase; }
.page-intro .crumbs span { color: var(--fg); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .nav-toggle { display: flex; }
  .nav-inner > .btn-primary { display: none; }
  .nav-links {
    position: fixed; top: 72px; left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: color-mix(in oklab, var(--bg) 96%, transparent);
    backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line);
    padding: 8px 24px 18px;
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: transform .22s ease, opacity .22s ease;
    max-height: calc(100vh - 72px); overflow-y: auto;
  }
  .nav.open .nav-links { transform: none; opacity: 1; pointer-events: auto; }
  .nav-links a { padding: 15px 2px; border-bottom: 1px solid var(--line); font-size: 14px; }
  .nav-links a.active::after { display: none; }
  .nav-links a.active { color: var(--accent); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .page-intro { padding: 110px 0 40px; }
}

/* Print niceties */
@media print { .nav, .footer, .tweaks-panel { display: none !important; } }