/* The AI Capitol — premium, minimal, high-trust */

:root{
  --bg: #0b1220;
  --surface: #0f1a2f;
  --surface-2: #0b152a;
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.70);
  --faint: rgba(255,255,255,0.10);

  /* confident accent (deep blue/emerald hybrid) */
  --accent: #2dd4bf;      /* teal */
  --accent-2: #2563eb;    /* blue */

  --border: rgba(255,255,255,0.12);
  --shadow: 0 20px 60px rgba(0,0,0,0.45);

  --radius: 16px;
  --radius-sm: 12px;

  --max: 1120px;
  --pad: 20px;

  --font: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

/* Light mode variables */
[data-theme="light"]{
  --bg: #ffffff;
  --surface: #f6f7fb;
  --surface-2: #ffffff;
  --text: rgba(9, 12, 20, 0.92);
  --muted: rgba(9, 12, 20, 0.68);
  --faint: rgba(9, 12, 20, 0.10);
  --border: rgba(9, 12, 20, 0.12);
  --shadow: 0 18px 50px rgba(0,0,0,0.12);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font);
  background: radial-gradient(1200px 700px at 70% -10%, rgba(37,99,235,0.20), transparent 60%),
              radial-gradient(900px 600px at 10% 0%, rgba(45,212,191,0.16), transparent 60%),
              var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a{ color: inherit; text-decoration: none; }
a:hover{ text-decoration: none; }

.container{
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.skip-link{
  position:absolute;
  left:-9999px;
  top:auto;
  width:1px;
  height:1px;
  overflow:hidden;
}
.skip-link:focus{
  left: 12px;
  top: 12px;
  width: auto;
  height: auto;
  z-index: 9999;
  padding: 10px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.section{ padding: 84px 0; }
.section-muted{ background: linear-gradient(180deg, transparent, rgba(255,255,255,0.03)); }

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 28px;
}
.section-head h2{ margin:0; font-size: clamp(24px, 3vw, 36px); letter-spacing: -0.02em; }
.subhead{ margin:0; color: var(--muted); max-width: 62ch; }

/* Header */
.site-header{
  position: sticky;
  top:0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: color-mix(in oklab, var(--bg) 72%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color 180ms ease, background 180ms ease;
}
.site-header.is-elevated{
  border-bottom-color: var(--border);
  background: color-mix(in oklab, var(--bg) 88%, transparent);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 0;
}
.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  min-width: 190px;
}
.brand-mark{
  width: 28px;
  height: 28px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 12px 30px rgba(37,99,235,0.25);
}
.brand-name{ font-weight: 650; letter-spacing: -0.01em; }

.nav{ display:flex; align-items:center; gap: 16px; }
.nav a{ color: var(--muted); font-weight: 500; padding: 8px 10px; border-radius: 10px; }
.nav a:hover{ color: var(--text); background: var(--faint); }

.header-actions{ display:flex; align-items:center; gap: 10px; }
.header-actions .btn-primary{ padding: 11px 16px; }

.icon-btn{
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--surface-2) 65%, transparent);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
  cursor:pointer;
  transition: transform 120ms ease, background 180ms ease;
}
.icon-btn:hover{ transform: translateY(-1px); }

.nav-toggle{ display:none; }
.hamburger{
  display:block;
  width: 18px;
  height: 12px;
  position: relative;
}
.hamburger::before, .hamburger::after{
  content:"";
  position:absolute;
  left:0;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
}
.hamburger::before{ top: 2px; }
.hamburger::after{ bottom: 2px; }

.mobile-nav{ border-bottom: 1px solid var(--border); background: color-mix(in oklab, var(--bg) 95%, transparent); }
.mobile-nav-inner{ padding: 16px 0 22px; display:grid; gap: 10px; }
.mobile-link{
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--muted);
}
.mobile-link:hover{ color: var(--text); background: var(--faint); }

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap;
  transition: transform 120ms ease, background 180ms ease, border-color 180ms ease;
}
.btn:hover{ transform: translateY(-1px); }
.btn:active{ transform: translateY(0px); }
.btn-primary{
  border-color: transparent;
  background: linear-gradient(135deg, color-mix(in oklab, var(--accent) 85%, white), color-mix(in oklab, var(--accent-2) 80%, white));
  color: rgba(0,0,0,0.88);
}
[data-theme="light"] .btn-primary{ color: rgba(255,255,255,0.92); }
.btn-ghost{
  background: color-mix(in oklab, var(--surface-2) 70%, transparent);
  color: var(--text);
}

/* Hero */
.hero{ padding-top: 58px; }
.hero-grid{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: center;
}
.eyebrow{
  margin:0 0 10px 0;
  display:inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: color-mix(in oklab, var(--surface-2) 60%, transparent);
  font-size: 13px;
}
.hero h1{
  margin: 0 0 12px 0;
  font-size: clamp(34px, 4.6vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.04em;
}
.lead{ margin: 0 0 18px 0; color: var(--muted); font-size: 18px; max-width: 56ch; }
.cta-row{ display:flex; gap: 10px; flex-wrap: wrap; margin: 14px 0 18px; }

.trust-row{ display:flex; gap: 14px; flex-wrap: wrap; margin-top: 10px; }
.trust-item{ padding: 12px 12px; border: 1px solid var(--border); border-radius: 14px; background: color-mix(in oklab, var(--surface-2) 60%, transparent); }
.trust-kpi{ font-weight: 650; letter-spacing: -0.02em; }
.trust-label{ color: var(--muted); font-size: 13px; }

.hero-panel{ position: relative; }
.panel-card{
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, color-mix(in oklab, var(--surface) 85%, transparent), color-mix(in oklab, var(--surface-2) 85%, transparent));
  box-shadow: var(--shadow);
  overflow:hidden;
}
.panel-header{
  display:flex;
  align-items:center;
  gap: 8px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}
.panel-dot{ width: 9px; height: 9px; border-radius: 999px; background: var(--faint); }
.panel-title{ margin-left: 8px; color: var(--muted); font-size: 13px; }
.panel-body{ padding: 16px; }
.metric{ display:flex; justify-content: space-between; gap: 14px; padding: 10px 0; }
.metric-label{ color: var(--muted); }
.metric-value{ font-weight: 600; letter-spacing: -0.01em; }
.divider{ height: 1px; background: var(--border); margin: 10px 0; }
.bullets{ margin: 10px 0 0; padding-left: 18px; color: var(--muted); }
.panel-footnote{ margin: 10px 0 0; color: var(--muted); font-size: 13px; }
.hero-glow{
  position:absolute;
  inset:-50px;
  background:
    radial-gradient(500px 260px at 30% 30%, rgba(45,212,191,0.20), transparent 55%),
    radial-gradient(560px 300px at 80% 60%, rgba(37,99,235,0.22), transparent 60%);
  filter: blur(22px);
  z-index: -1;
}

/* Cards + grids */
.card{
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--surface-2) 70%, transparent);
  border-radius: var(--radius);
  padding: 18px;
}
.card h3{ margin: 0 0 8px 0; letter-spacing: -0.02em; }
.card p{ margin: 0; color: var(--muted); }

.grid-3{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.grid-5{ display:grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }

.icon-card .icon{
  width: 38px;
  height: 38px;
  border-radius: 14px;
  display:flex;
  align-items:center;
  justify-content:center;
  border: 1px solid var(--border);
  background: linear-gradient(135deg, color-mix(in oklab, var(--accent) 20%, transparent), color-mix(in oklab, var(--accent-2) 16%, transparent));
  margin-bottom: 12px;
}

.callout{
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(45,212,191,0.10), rgba(37,99,235,0.08));
}

/* Offers */
.offers-grid{ display:grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.offer{
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, color-mix(in oklab, var(--surface-2) 80%, transparent), color-mix(in oklab, var(--surface) 70%, transparent));
  padding: 18px;
  display:flex;
  flex-direction: column;
  gap: 12px;
}
.offer-top h3{ margin:0; letter-spacing: -0.02em; }
.offer-tag{ margin: 6px 0 0; color: var(--muted); }
.offer-list{ list-style: none; padding: 0; margin: 0; display:grid; gap: 8px; }
.offer-list li{ display:grid; grid-template-columns: 92px 1fr; gap: 10px; }
.offer-list span:first-child{ color: var(--muted); }
.offer-list span:last-child{ font-weight: 550; letter-spacing: -0.01em; }

/* Steps */
.steps{ list-style: none; padding: 0; margin: 0; display:grid; gap: 12px; }
.step{
  display:flex;
  gap: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  background: color-mix(in oklab, var(--surface-2) 70%, transparent);
}
.step-num{
  width: 36px;
  height: 36px;
  border-radius: 14px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight: 700;
  background: linear-gradient(135deg, rgba(45,212,191,0.18), rgba(37,99,235,0.16));
  border: 1px solid var(--border);
}
.step-body h3{ margin:0 0 6px 0; }
.step-body p{ margin:0; color: var(--muted); }

/* About */
.about-grid{ display:grid; grid-template-columns: 1.1fr 0.9fr; gap: 18px; align-items: start; }
.about-bullets{ display:flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.pill{ padding: 8px 10px; border: 1px solid var(--border); border-radius: 999px; color: var(--muted); background: color-mix(in oklab, var(--surface-2) 70%, transparent); }

.media-frame{
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--surface) 70%, transparent);
  overflow:hidden;
}
.media-placeholder{
  padding: 28px;
  min-height: 260px;
  display:flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  color: var(--muted);
}
.media-title{ font-weight: 650; color: var(--text); }

/* CTA */
.cta{ padding: 70px 0; }
.cta-inner{
  border-radius: calc(var(--radius) + 6px);
  border: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(45,212,191,0.12), rgba(37,99,235,0.10));
  padding: 26px;
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 16px;
  align-items: start;
}

.cta-form{ display:grid; gap: 12px; }
.field{ display:grid; gap: 6px; }
.field-label{ font-size: 13px; color: var(--muted); }
input, select{
  width: 100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--surface-2) 70%, transparent);
  color: var(--text);
  outline: none;
}
input::placeholder{ color: color-mix(in oklab, var(--muted) 80%, transparent); }

.form-actions{ display:flex; gap: 10px; flex-wrap: wrap; }
.fineprint{ margin: 0; font-size: 12.5px; color: var(--muted); }

/* Footer */
.site-footer{
  padding: 48px 0 22px;
  border-top: 1px solid var(--border);
  background: color-mix(in oklab, var(--bg) 92%, black);
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.2fr 1fr 0.8fr;
  gap: 18px;
}
.footer-brand .brand-inline{ display:flex; align-items:center; gap: 10px; margin-bottom: 10px; }
.muted{ color: var(--muted); margin: 0; }
.footer-links{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.footer-links h3, .footer-news h3{ margin: 0 0 10px 0; font-size: 14px; color: var(--text); }
.footer-links a{ display:block; padding: 6px 0; color: var(--muted); }
.footer-links a:hover{ color: var(--text); }

.newsletter{ display:flex; gap: 10px; }
.newsletter input{ flex: 1; }

.footer-bottom{ margin-top: 22px; padding-top: 16px; border-top: 1px solid var(--border); }

/* Responsive */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .about-grid{ grid-template-columns: 1fr; }
  .cta-inner{ grid-template-columns: 1fr; }
  .grid-5{ grid-template-columns: repeat(2, 1fr); }
  .offers-grid{ grid-template-columns: 1fr; }
}

@media (max-width: 760px){
  .nav{ display:none; }
  .nav-toggle{ display:inline-flex; }
  .brand{ min-width: 0; }
  .grid-3{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr; }
  .footer-links{ grid-template-columns: repeat(2, 1fr); }
  .section{ padding: 72px 0; }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  .btn, .icon-btn, .site-header{ transition: none !important; }
}