/* Abra Intelligence landing page, single stylesheet, mobile-first. */

:root {
  --ink: #101a26;
  --ink-soft: #45566b;
  --bg: #ffffff;
  --accent: #0e7c86;
  --accent-dark: #0a5f66;
  --dark-bg: #0e1726;
  --dark-ink: #eef3f8;
  --border: #dde5ec;
  --radius: 14px;
  --maxw: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3 { line-height: 1.2; margin: 0 0 0.5em; }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); font-weight: 700; letter-spacing: -0.01em; }
h3 { font-size: 1.05rem; font-weight: 600; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-right: auto;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark { width: 40px; height: 20px; color: var(--accent); }

.site-nav { display: none; gap: 22px; }

.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
}

.site-nav a:hover { color: var(--ink); }

.lang-switch { display: flex; gap: 4px; }

.lang-switch a {
  padding: 4px 8px;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink-soft);
  text-decoration: none;
}

.lang-switch a.active { background: #eef2f6; color: var(--ink); }
.lang-switch a:hover { color: var(--ink); }

@media (min-width: 800px) {
  .site-nav { display: flex; }
}

/* Hero */
.hero {
  background:
    radial-gradient(900px 400px at 80% -10%, rgba(14, 124, 134, 0.35), transparent 60%),
    var(--dark-bg);
  color: var(--dark-ink);
  padding: 88px 0 190px;
}

.kicker {
  margin: 0 0 14px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  font-weight: 600;
  color: #7fd1d9;
}

.hero .lead {
  max-width: 620px;
  font-size: 1.15rem;
  color: #b9c6d4;
  margin: 0 0 32px;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-small { padding: 8px 16px; font-size: 0.88rem; border-radius: 9px; }

/* Demo strip: pulled up into the hero so the page reads as one piece */
.demos-strip { margin-top: -130px; }

.demo { margin: 0; }

.demo video,
.demo iframe {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid rgba(16, 26, 38, 0.25);
  background: #000;
  display: block;
  box-shadow: 0 18px 40px rgba(8, 15, 26, 0.35);
}

.demo figcaption {
  margin-top: 10px;
  font-weight: 600;
  font-size: 0.92rem;
}

.demos-note {
  color: var(--ink-soft);
  font-size: 0.88rem;
  margin: 18px 0 0;
  text-align: center;
}

/* Sections: one continuous light zone, separated by spacing only */
.section { padding: 64px 0 8px; }

.sec-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 26px;
}

.section-sub { color: var(--ink-soft); max-width: 620px; margin-top: -6px; }

.grid { display: grid; gap: 20px; }

@media (min-width: 720px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
}

/* How it works: plain inline steps, no boxes */
.steps { display: grid; gap: 28px; }

.step p { color: var(--ink-soft); margin: 0; font-size: 0.95rem; }

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 12px;
}

/* Use cases: thin rule instead of boxes */
.usecase { border-top: 2px solid var(--accent); padding-top: 16px; }
.usecase p { color: var(--ink-soft); margin: 0; font-size: 0.95rem; }

/* Closing call to action */
.cta-band {
  margin-top: 72px;
  background: var(--dark-bg);
  color: var(--dark-ink);
  padding: 64px 0;
}

.cta-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.cta-inner h2 { margin: 0; max-width: 560px; }

/* Contact page */
.contact { padding-bottom: 72px; }

.contact form {
  max-width: 560px;
  margin-top: 28px;
  display: grid;
  gap: 16px;
}

.contact label {
  display: grid;
  gap: 6px;
  font-weight: 600;
  font-size: 0.9rem;
}

.contact input,
.contact textarea {
  font: inherit;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  color: var(--ink);
}

.contact input:focus,
.contact textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}

.contact button { justify-self: start; }

.form-note { color: var(--ink-soft); font-size: 0.85rem; margin: 0; }
.form-note a { color: var(--accent); }

.form-success {
  background: #e6f6ec;
  border: 1px solid #b7e0c4;
  color: #1d6b3a;
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 0.92rem;
  margin: 0;
}

/* Legal pages */
.page {
  padding: 64px 0;
  max-width: 720px;
}

.page h1 { font-size: 2rem; }
.page .placeholder { background: #fff7e6; border: 1px solid #f0d9a8; border-radius: 10px; padding: 12px 16px; font-size: 0.9rem; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  font-size: 0.88rem;
  color: var(--ink-soft);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: space-between;
}

.site-footer a {
  color: var(--ink-soft);
  text-decoration: none;
  margin-left: 18px;
}

.site-footer a:first-child { margin-left: 0; }
.site-footer a:hover { color: var(--ink); }