:root {
  --bg: #0b0f19;
  --bg-alt: #111827;
  --surface: #161e2e;
  --border: #1f2937;
  --text: #e5e7eb;
  --text-dim: #9ca3af;
  --accent: #6366f1;
  --accent-2: #22d3ee;
  --radius: 14px;
  --max: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.logo {
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-links a {
  color: var(--text-dim);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(99, 102, 241, 0.35); }

.btn-ghost {
  border-color: var(--border);
  color: var(--text);
}

.btn-ghost:hover { border-color: var(--accent); }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.4rem;
  cursor: pointer;
}

/* Hero */
.hero {
  padding: 88px 0 72px;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--accent-2);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

h1 {
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}

.lead {
  max-width: 640px;
  margin: 0 auto 32px;
  color: var(--text-dim);
  font-size: 1.1rem;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Sections */
section { padding: 64px 0; }

.section-head {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 44px;
}

.section-head .eyebrow { margin-bottom: 14px; }

h2 {
  font-size: clamp(1.6rem, 3.4vw, 2.2rem);
  letter-spacing: -0.01em;
  margin: 0 0 12px;
}

.section-head p { color: var(--text-dim); margin: 0; }

.grid {
  display: grid;
  gap: 22px;
}

.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.card h3 {
  margin: 14px 0 10px;
  font-size: 1.1rem;
}

.card p { color: var(--text-dim); margin: 0; font-size: 0.95rem; }

.icon-badge {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

/* Product / IberChat spotlight */
.spotlight {
  background: linear-gradient(160deg, var(--surface), var(--bg-alt));
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 48px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.spotlight-visual {
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(99,102,241,0.25), rgba(34,211,238,0.2));
  border: 1px solid var(--border);
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.tag-list { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0; }

.tag {
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.25);
  color: var(--accent-2);
  font-size: 0.82rem;
  font-weight: 600;
}

/* Content pages (legal / about) */
.prose {
  max-width: 760px;
  margin: 0 auto;
}

.prose h2 { margin-top: 40px; }
.prose p, .prose li { color: var(--text-dim); }
.prose ul { padding-left: 20px; }
.prose .updated { color: var(--text-dim); font-size: 0.9rem; margin-bottom: 40px; }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 18px;
}

.field label { font-size: 0.85rem; color: var(--text-dim); }

.field input,
.field textarea {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
}

.field textarea { resize: vertical; min-height: 120px; }

.contact-info .card { margin-bottom: 18px; }

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
  color: var(--text-dim);
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-grid h4 {
  color: var(--text);
  font-size: 0.9rem;
  margin: 0 0 14px;
}

.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a:hover { color: var(--text); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 18px;
  left: 18px;
  right: 18px;
  max-width: 560px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
  z-index: 100;
  display: none;
}

.cookie-banner.show { display: block; }
.cookie-banner p { margin: 0 0 14px; font-size: 0.88rem; color: var(--text-dim); }
.cookie-actions { display: flex; gap: 10px; flex-wrap: wrap; }

@media (max-width: 860px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .spotlight { grid-template-columns: 1fr; padding: 32px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 20px 24px;
    display: none;
    gap: 16px;
  }
  .nav-links.open { display: flex; }
  .menu-toggle { display: block; }
}