* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #f5f8ff;
  --surface: #ffffff;
  --surface-alt: #eef3fc;
  --surface-card: #ffffff;
  --border: rgba(15, 23, 42, 0.09);
  --border-accent: rgba(37, 99, 235, 0.22);
  --text: #0f172a;
  --muted: #64748b;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-glow: rgba(37, 99, 235, 0.08);
  --green: #059669;
  --shadow: 0 2px 16px rgba(15, 23, 42, 0.08);
  --shadow-accent: 0 8px 32px rgba(37, 99, 235, 0.14);
}

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Subtle dot grid on non-hero sections */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle, rgba(37, 99, 235, 0.09) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
  z-index: 0;
}

.container {
  position: relative; z-index: 1;
  width: min(1140px, calc(100% - 3rem));
  margin: 0 auto;
}
.narrow { width: min(780px, calc(100% - 3rem)); }

/* ── Header ───────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(245, 248, 255, 0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.1rem 0;
}
.brand {
  font-weight: 800; font-size: 1.1rem; letter-spacing: 0.02em;
  color: var(--text);
  display: flex; align-items: center; gap: 0.6rem;
  text-decoration: none;
}
.brand-mark {
  width: 28px; height: 28px;
  background: linear-gradient(135deg, var(--accent), #1d4ed8);
  border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; font-weight: 900; color: white;
  box-shadow: 0 2px 10px rgba(37, 99, 235, 0.35);
  flex-shrink: 0;
}
nav a {
  color: var(--muted); text-decoration: none;
  margin-left: 2rem; font-size: 0.88rem; font-weight: 500;
  transition: color 0.2s;
}
nav a:hover { color: var(--text); }

/* ── Hero ─────────────────────────────────────────── */
.hero {
  padding: 7rem 0 6rem;
  position: relative;
  overflow: hidden;
  background: url('assets/hero-bg.svg') center top / cover no-repeat;
}
.hero-grid {
  display: grid; grid-template-columns: 1.25fr 0.75fr;
  gap: 3.5rem; align-items: center;
}
.eyebrow, .section-label {
  display: inline-flex; align-items: center; gap: 0.6rem;
  text-transform: uppercase; letter-spacing: 0.14em;
  font-size: 0.7rem; color: var(--accent); font-weight: 700;
  margin-bottom: 1.25rem;
}
.eyebrow::before, .section-label::before {
  content: '';
  width: 22px; height: 2px;
  background: var(--accent);
  display: inline-block;
  flex-shrink: 0;
}

h1, h2, h3 { line-height: 1.1; color: var(--text); }
h1 {
  font-size: clamp(2.8rem, 5vw, 4.8rem);
  font-weight: 800; margin-bottom: 1.25rem;
  letter-spacing: -0.025em;
}
h2 {
  font-size: clamp(1.9rem, 3vw, 3rem);
  font-weight: 700; margin-bottom: 1rem;
  letter-spacing: -0.015em;
}
h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: 0.6rem; }

.lead {
  font-size: 1.1rem; color: var(--muted);
  max-width: 58ch; line-height: 1.8;
}
.cta-row { display: flex; gap: 0.875rem; flex-wrap: wrap; margin-top: 2.25rem; }
.btn {
  display: inline-flex; align-items: center; gap: 0.45rem;
  padding: 0.875rem 1.5rem; border-radius: 8px;
  text-decoration: none; font-weight: 600; font-size: 0.9rem;
  transition: all 0.2s; border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent); color: #fff;
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.3);
}
.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 4px 24px rgba(37, 99, 235, 0.45);
  transform: translateY(-1px);
}
.btn-secondary {
  background: transparent; color: var(--text);
  border-color: var(--border-accent);
}
.btn-secondary:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
}

/* Hero card */
.hero-card { display: flex; justify-content: center; }
.phone-card {
  width: min(320px, 100%);
  background: var(--surface-card);
  border: 1px solid var(--border-accent);
  border-radius: 20px;
  box-shadow: var(--shadow-accent), 0 1px 0 rgba(37, 99, 235, 0.08);
  padding: 1.25rem;
  position: relative; overflow: hidden;
}
.phone-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.5), transparent);
}
.phone-screen {
  border-radius: 13px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  padding: 1.25rem;
}
.phone-screen h3 { color: var(--text); font-size: 1.05rem; }
.phone-screen > p { color: var(--muted); font-size: 0.88rem; margin: 0.4rem 0 0.75rem; }
.phone-screen ul {
  list-style: none; padding: 0; margin: 0;
}
.phone-screen li {
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--muted); font-size: 0.875rem;
  display: flex; align-items: center; gap: 0.5rem;
}
.phone-screen li::before { content: '→'; color: var(--accent); font-size: 0.8rem; }
.phone-screen li:last-child { border-bottom: none; }

.screen-badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: rgba(37, 99, 235, 0.08); color: var(--accent);
  padding: 0.28rem 0.65rem; border-radius: 5px;
  font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.07em; text-transform: uppercase;
  border: 1px solid rgba(37, 99, 235, 0.18);
  margin-bottom: 0.875rem;
}
.screen-badge::before {
  content: '';
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
}

/* ── Trust strip ──────────────────────────────────── */
.trust-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.trust-items {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1rem; padding: 1.1rem 0;
  color: var(--muted); font-weight: 600; font-size: 0.82rem; text-align: center;
}
.trust-items span {
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
}
.trust-items span::before {
  content: '◆'; color: var(--accent); font-size: 0.45rem;
}

/* ── Sections ─────────────────────────────────────── */
.section { padding: 6rem 0; position: relative; }
.alt { background: var(--surface-alt); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; align-items: start; }

.section > .container > p,
.section > .container > .narrow > p,
.section p:not(.section-label):not(.eyebrow) {
  color: var(--muted); line-height: 1.8;
}

/* ── Cards ────────────────────────────────────────── */
.feature-card, .vision-card, .contact-box {
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: 16px; padding: 2rem;
  box-shadow: var(--shadow);
  position: relative; overflow: hidden;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.feature-card:hover, .vision-card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-accent);
}
.feature-card::after, .vision-card::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.2), transparent);
}

.feature-list {
  list-style: none; padding: 0; margin: 1rem 0 0;
}
.feature-list li {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--muted); font-size: 0.92rem;
  display: flex; align-items: center; gap: 0.55rem;
}
.feature-list li::before {
  content: '✓'; color: var(--green);
  font-weight: 700; font-size: 0.8rem; flex-shrink: 0;
}
.feature-list li:last-child { border-bottom: none; }

.text-link {
  color: var(--accent); text-decoration: none;
  font-weight: 600; font-size: 0.95rem;
  display: inline-flex; align-items: center; gap: 0.3rem;
}
.text-link:hover { color: var(--accent-hover); }

/* ── Partners ─────────────────────────────────────── */
.partners-intro {
  max-width: 58ch; color: var(--muted);
  margin-bottom: 2.5rem; line-height: 1.8;
}
.partner-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }

.partner-card {
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: 16px; padding: 2rem;
  box-shadow: var(--shadow);
  position: relative; overflow: hidden;
  transition: border-color 0.25s, box-shadow 0.25s;
  display: flex; flex-direction: column; align-items: center; text-align: center;
}
.partner-card::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.2), transparent);
}

.partner-nvidia:hover { border-color: rgba(118, 185, 0, 0.3); box-shadow: 0 8px 32px rgba(118, 185, 0, 0.1); }
.partner-aws:hover    { border-color: rgba(255, 153, 0, 0.3); box-shadow: 0 8px 32px rgba(255, 153, 0, 0.1); }
.partner-gcp:hover    { border-color: rgba(66, 133, 244, 0.3); box-shadow: 0 8px 32px rgba(66, 133, 244, 0.1); }

.partner-logo-wrap {
  height: 64px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.5rem; width: 100%;
}
.partner-logo {
  max-height: 100%; width: auto;
  object-fit: contain; display: block;
}
.partner-nvidia .partner-logo { height: 40px; }
.partner-aws    .partner-logo { height: 44px; }
.partner-gcp    .partner-logo { height: 52px; }

.partner-card h3 { color: var(--text); margin-bottom: 0.6rem; }
.partner-card p  { color: var(--muted); font-size: 0.9rem; line-height: 1.75; flex: 1; }

.partner-badge {
  margin-top: 1.25rem;
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase;
  padding: 0.35rem 0.85rem; border-radius: 999px;
  border: 1px solid;
}
.partner-badge-nvidia { color: #76b900; background: rgba(118,185,0,0.1);  border-color: rgba(118,185,0,0.25); }
.partner-badge-aws    { color: #ff9900; background: rgba(255,153,0,0.1);  border-color: rgba(255,153,0,0.25); }
.partner-badge-gcp    { color: #4285f4; background: rgba(66,133,244,0.1); border-color: rgba(66,133,244,0.25); }

/* ── Contact ──────────────────────────────────────── */
.contact-section {
  background: linear-gradient(180deg, var(--surface-alt) 0%, var(--bg) 100%);
}
.contact-box { text-align: center; }
.contact-box .section-label { justify-content: center; }
.contact-box .section-label::before { display: none; }
.contact-note {
  margin-top: 1.75rem; font-size: 1rem; color: var(--muted);
}
.contact-note a {
  color: var(--accent); text-decoration: none; font-weight: 600;
}
.contact-note a:hover { color: var(--accent-hover); }

/* ── Footer ───────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  background: var(--surface);
}
.footer-row {
  display: flex; justify-content: space-between;
  gap: 1rem; align-items: center;
}
.footer-brand { font-weight: 700; font-size: 0.9rem; color: var(--text); }
.footer-copy { color: var(--muted); font-size: 0.82rem; margin-top: 0.2rem; }
.footer-row a {
  color: var(--muted); text-decoration: none; font-size: 0.88rem;
  transition: color 0.2s;
}
.footer-row a:hover { color: var(--accent); }

/* ── Responsive ───────────────────────────────────── */
@media (max-width: 920px) {
  .hero-grid, .grid-2, .partner-grid { grid-template-columns: 1fr; }
  .trust-items { grid-template-columns: repeat(2, 1fr); }
  .nav { flex-direction: column; gap: 0.75rem; }
  nav a { margin: 0 0.75rem; }
  .footer-row { flex-direction: column; align-items: flex-start; }
}