/* Fortel: AI-first landing page
   Fonts: Space Grotesk (display) / Manrope (body) */

:root {
  --hue-a: 265;
  --bg: oklch(15% 0.022 265);
  --bg-elevated: oklch(19% 0.026 266);
  --bg-card: oklch(21% 0.028 266);
  --border: oklch(32% 0.03 266);
  --border-soft: oklch(26% 0.025 266);
  --fg: oklch(97% 0.008 265);
  --fg-muted: oklch(75% 0.02 265);
  --fg-faint: oklch(58% 0.02 265);
  --accent-a: oklch(72% 0.17 var(--hue-a));
  --accent-b: oklch(76% 0.13 calc(var(--hue-a) - 100));
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 88px; }

body {
  margin: 0;
  font-family: 'Manrope', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  margin: 0;
  letter-spacing: -0.01em;
}

p { margin: 0; }

a { color: var(--accent-a); text-decoration: none; }
a:hover { color: var(--accent-b); }

section { position: relative; }

.shell {
  max-width: 1180px;
  margin: 0 auto;
  padding-left: 32px;
  padding-right: 32px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-a);
}
.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-a);
  box-shadow: 0 0 10px 2px var(--accent-a);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 15px;
  padding: 13px 26px;
  border-radius: 10px;
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(120deg, var(--accent-a), var(--accent-b));
  color: oklch(14% 0.02 265);
  box-shadow: 0 0 0 1px oklch(100% 0 0 / 0.06) inset, 0 8px 30px -8px var(--accent-a);
}
.btn-ghost {
  background: oklch(100% 0 0 / 0.03);
  color: var(--fg);
  border-color: var(--border);
}
.btn-ghost:hover { background: oklch(100% 0 0 / 0.06); color: var(--fg); }

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  background: color-mix(in oklch, var(--bg) 78%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-soft);
}
.wordmark {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.02em;
  text-decoration: none;
  background: linear-gradient(120deg, var(--fg) 40%, var(--accent-a) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.footer-brand .wordmark { font-size: 20px; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  color: var(--fg-muted);
  font-weight: 600;
  font-size: 14.5px;
}
.nav-links a:hover { color: var(--fg); }
.nav-cta { display: flex; align-items: center; gap: 20px; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  color: var(--fg);
  cursor: pointer;
}

.nav-mobile-panel {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 12px 20px 20px;
  background: var(--bg);
  border-bottom: 1px solid var(--border-soft);
}
.nav-mobile-panel a:not(.btn) {
  color: var(--fg-muted);
  font-weight: 600;
  font-size: 15px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-soft);
}
.nav-mobile-panel a:not(.btn):last-of-type { border-bottom: none; }
.nav-mobile-panel .btn { margin-top: 12px; }
.nav.is-open .nav-mobile-panel { display: flex; }

/* Hero */
.hero {
  overflow: hidden;
  padding: 108px 32px 120px;
  text-align: center;
}
.hero-glow {
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 720px;
  background:
    radial-gradient(560px 420px at 24% 20%, color-mix(in oklch, var(--accent-a) 32%, transparent), transparent 70%),
    radial-gradient(520px 400px at 78% 10%, color-mix(in oklch, var(--accent-b) 26%, transparent), transparent 70%);
  filter: blur(10px);
  pointer-events: none;
  animation: drift 14s ease-in-out infinite alternate;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(color-mix(in oklch, var(--fg) 6%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in oklch, var(--fg) 6%, transparent) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 60% 55% at 50% 20%, black 0%, transparent 75%);
  mask-image: radial-gradient(ellipse 60% 55% at 50% 20%, black 0%, transparent 75%);
  pointer-events: none;
}
@keyframes drift {
  from { transform: translateY(0) scale(1); }
  to { transform: translateY(22px) scale(1.03); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-glow { animation: none; }
  html { scroll-behavior: auto; }
}
.hero-inner {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 26px;
}
.hero h1 {
  font-size: clamp(38px, 5.4vw, 66px);
  font-weight: 700;
  line-height: 1.06;
}
.hero h1 .grad {
  background: linear-gradient(120deg, var(--accent-a), var(--accent-b));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--fg-muted);
  max-width: 620px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 6px;
}
.hero-proof {
  margin-top: 46px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--fg-faint);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 600;
  text-align: center;
}

/* Industries */
.industries { padding: 100px 32px; border-top: 1px solid var(--border-soft); }
.section-head {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 620px;
  margin-bottom: 52px;
}
.section-head h2 {
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 700;
}
.section-head p { color: var(--fg-muted); font-size: 16.5px; }
.industry-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}
.industry-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 28px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: border-color .2s ease, transform .2s ease;
}
.industry-card:hover {
  border-color: color-mix(in oklch, var(--accent-a) 55%, var(--border));
  transform: translateY(-3px);
}
.industry-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(140deg, color-mix(in oklch, var(--accent-a) 22%, transparent), color-mix(in oklch, var(--accent-b) 14%, transparent));
  color: var(--accent-a);
}
.industry-card h3 { font-size: 18px; font-weight: 600; }
.industry-card p { color: var(--fg-muted); font-size: 14.5px; }

/* About */
.about {
  padding: 100px 32px;
  border-top: 1px solid var(--border-soft);
  background: linear-gradient(180deg, transparent, var(--bg-elevated) 100%);
}
.about-inner {
  display: flex;
  gap: 72px;
  align-items: flex-start;
}
.about-copy { flex: 1 1 0; display: flex; flex-direction: column; gap: 18px; }
.about-copy h2 { font-size: clamp(28px, 3.4vw, 38px); font-weight: 700; max-width: 440px; }
.about-copy p { color: var(--fg-muted); font-size: 16.5px; max-width: 460px; }
.about-copy .btn { margin-top: 8px; width: fit-content; }
.pillars {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.pillar {
  display: flex;
  gap: 18px;
  padding: 22px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
}
.pillar-icon {
  flex: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in oklch, var(--accent-a) 16%, transparent);
  color: var(--accent-a);
}
.pillar h3 { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.pillar p { font-size: 14px; color: var(--fg-muted); }

/* Contact */
.contact { padding: 100px 32px; border-top: 1px solid var(--border-soft); }
.contact-inner {
  display: flex;
  gap: 60px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 56px;
  position: relative;
  overflow: hidden;
}
.contact-glow {
  position: absolute;
  right: -120px;
  top: -120px;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, color-mix(in oklch, var(--accent-a) 30%, transparent), transparent 70%);
  pointer-events: none;
}
.contact-copy { flex: 1 1 0; position: relative; display: flex; flex-direction: column; gap: 16px; }
.contact-copy:only-child { flex: none; width: 100%; max-width: 480px; margin: 0 auto; }
.contact-visual {
  flex: 1 1 0;
  align-self: stretch;
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  min-height: 320px;
}
.contact-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}
.contact-copy h2 { font-size: clamp(26px, 3vw, 34px); font-weight: 700; max-width: 360px; }
.contact-copy p { color: var(--fg-muted); font-size: 15.5px; max-width: 360px; }
.contact-detail {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14.5px;
  color: var(--fg-muted);
  margin-top: 8px;
}
.contact-detail svg { flex: none; color: var(--accent-a); }
.contact-form {
  flex: 1 1 0;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: 13.5px; font-weight: 600; color: var(--fg-muted); }
.field input, .field textarea {
  font-family: 'Manrope', sans-serif;
  font-size: 15px;
  color: var(--fg);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 13px 14px;
  outline: none;
  width: 100%;
}
.field input::placeholder, .field textarea::placeholder { color: var(--fg-faint); }
.field input:focus, .field textarea:focus { border-color: var(--accent-a); }
.field textarea { resize: vertical; min-height: 108px; }
.contact-form .btn-primary { margin-top: 4px; width: 100%; }
.form-note { font-size: 12.5px; color: var(--fg-faint); }
.form-status { font-size: 13.5px; font-weight: 600; display: none; }
.form-status.is-success { display: block; color: var(--accent-a); }
.form-status.is-error { display: block; color: oklch(70% 0.18 25); }
.honeypot-field { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

/* Footer */
.footer { padding: 56px 32px 40px; border-top: 1px solid var(--border-soft); }
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: wrap;
}
.footer-brand { display: flex; flex-direction: column; gap: 12px; max-width: 320px; }
.footer-brand p { color: var(--fg-faint); font-size: 14px; }
.footer-links {
  display: flex;
  gap: 64px;
  flex-wrap: wrap;
}
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col h4 { font-size: 13px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; color: var(--fg-faint); }
.footer-col a { color: var(--fg-muted); font-size: 14.5px; }
.footer-bottom {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border-soft);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--fg-faint);
}

/* Legal pages (privacy.html, terms.html) */
.legal-hero {
  padding: 72px 32px 40px;
  border-bottom: 1px solid var(--border-soft);
}
.legal-hero .eyebrow { margin-bottom: 14px; }
.legal-hero h1 { font-size: clamp(30px, 4vw, 44px); font-weight: 700; }
.legal-hero p { margin-top: 12px; color: var(--fg-muted); font-size: 15px; }
.legal-content {
  padding: 56px 32px 100px;
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.legal-note {
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--fg-muted);
  font-size: 14px;
}
.legal-note strong { color: var(--fg); }
.legal-content section { display: flex; flex-direction: column; gap: 10px; }
.legal-content h2 { font-size: 20px; font-weight: 700; }
.legal-content p, .legal-content li { color: var(--fg-muted); font-size: 15px; line-height: 1.7; }
.legal-content ul { margin: 0; padding-left: 22px; display: flex; flex-direction: column; gap: 6px; }
.legal-content a { text-decoration: underline; text-underline-offset: 2px; }

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-cta .btn { display: none; }
  .nav-toggle { display: flex; }
  .industry-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .about-inner { flex-direction: column; gap: 44px; }
  .contact-inner { flex-direction: column; padding: 36px; }
  .contact-visual { min-height: 240px; max-height: 320px; order: -1; }
}
@media (max-width: 560px) {
  .industry-grid { grid-template-columns: minmax(0, 1fr); }
  .hero { padding: 88px 20px 80px; }
  .shell { padding-left: 20px; padding-right: 20px; }
  .footer-links { gap: 32px; }
  .contact-inner { padding: 28px; }
  .legal-hero { padding: 64px 20px 32px; }
  .legal-content { padding: 40px 20px 72px; }
}