/* ═══════════════════════════════════════════════════
   FEEX AI - Premium Design System
   ═══════════════════════════════════════════════════ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Inter:wght@400;500;600;700&display=swap');

/* ── Design Tokens ── */
:root {
  --bg: #060916;
  --bg-soft: #0b0f22;
  --bg-alt: #0d1226;
  --card: rgba(18, 25, 53, 0.65);
  --card-solid: #121935;
  --glass: rgba(255, 255, 255, 0.04);
  --text: #e8ecff;
  --text-dim: #b6c0e8;
  --muted: #8891b5;
  --accent: #32d8ff;
  --accent-b: #7a6bff;
  --accent-c: #ff4fd8;
  --green: #2fd3a3;
  --gold: #f5b731;
  --line: rgba(255, 255, 255, 0.08);
  --line-bright: rgba(255, 255, 255, 0.14);
  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  --font-head: 'DM Serif Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, Segoe UI, sans-serif;
  --max-w: 1160px;
  --transition: 0.3s cubic-bezier(.4, 0, .2, 1);
}

/* ── Reset ── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: #7eedff;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ── Utility ── */
.container {
  width: min(var(--max-w), 90vw);
  margin: 0 auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

/* ── Animated Background Blobs ── */
.bg-blobs {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
  animation: blobFloat 20s ease-in-out infinite alternate;
}

.blob--1 {
  width: 600px;
  height: 600px;
  background: var(--accent-b);
  top: -15%;
  right: -5%;
  animation-delay: 0s;
}

.blob--2 {
  width: 500px;
  height: 500px;
  background: var(--accent);
  top: 30%;
  left: -10%;
  animation-delay: -7s;
}

.blob--3 {
  width: 450px;
  height: 450px;
  background: var(--accent-c);
  bottom: -10%;
  right: 20%;
  animation-delay: -14s;
}

@keyframes blobFloat {
  0% {
    transform: translate(0, 0) scale(1);
  }

  33% {
    transform: translate(30px, -40px) scale(1.05);
  }

  66% {
    transform: translate(-20px, 20px) scale(0.95);
  }

  100% {
    transform: translate(10px, -10px) scale(1.02);
  }
}

/* ══════════════════════════════════
   HEADER
   ══════════════════════════════════ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  background: rgba(6, 9, 22, 0.78);
  border-bottom: 1px solid var(--line);
  transition: background var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-logo {
  height: 36px;
  transition: transform var(--transition);
}

.brand:hover .brand-logo {
  transform: scale(1.05);
}

.header-nav {
  display: flex;
  gap: 28px;
}

.header-nav a {
  color: var(--text-dim);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  position: relative;
  padding: 4px 0;
  transition: color var(--transition);
}

.header-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
  border-radius: 2px;
}

.header-nav a:hover {
  color: var(--text);
  text-decoration: none;
}

.header-nav a:hover::after {
  width: 100%;
}

/* Hamburger */
.hamburger {
  display: none;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px 0;
  background: var(--text);
  transition: var(--transition);
  border-radius: 2px;
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: rgba(9, 12, 27, 0.97);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
  z-index: 99;
}

.mobile-nav.is-open {
  display: block;
}

.mobile-nav a {
  display: block;
  color: var(--text-dim);
  padding: 16px 24px;
  border-top: 1px solid var(--line);
  font-weight: 500;
  transition: all var(--transition);
}

.mobile-nav a:hover {
  background: var(--glass);
  color: var(--text);
  text-decoration: none;
}

/* ══════════════════════════════════
   HERO
   ══════════════════════════════════ */
.hero {
  padding: 100px 0 80px;
  position: relative;
}

.hero-content {
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--glass);
  border: 1px solid var(--line-bright);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 28px;
  animation: fadeInDown 0.8s ease-out;
}

.hero-badge::before {
  content: '';
  width: 7px;
  height: 7px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.5;
    transform: scale(0.8);
  }
}

.hero h1 {
  font-family: var(--font-head);
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease-out;
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-b) 50%, var(--accent-c) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-dim);
  max-width: 620px;
  margin: 0 auto 36px;
  animation: fadeInUp 0.8s ease-out 0.15s both;
}

.hero-ctas {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.3s both;
}

/* Stats Strip */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  margin-top: 72px;
  border-radius: var(--radius);
  overflow: hidden;
  animation: fadeInUp 0.8s ease-out 0.45s both;
}

.stat-block {
  background: var(--card);
  backdrop-filter: blur(12px);
  padding: 28px 20px;
  text-align: center;
  border: 1px solid var(--line);
  transition: background var(--transition);
}

.stat-block:hover {
  background: rgba(18, 25, 53, 0.9);
}

.stat-number {
  font-family: var(--font-head);
  font-size: 36px;
  color: var(--accent);
  margin-bottom: 6px;
}

.stat-label {
  font-size: 13px;
  color: var(--muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ══════════════════════════════════
   SECTION SCAFFOLDING
   ══════════════════════════════════ */
.section {
  padding: 90px 0;
  position: relative;
}

.section--alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}

.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.section-header h2 {
  font-family: var(--font-head);
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-header p {
  color: var(--text-dim);
  font-size: 17px;
  line-height: 1.7;
}

/* ══════════════════════════════════
   CAPABILITIES CARDS
   ══════════════════════════════════ */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.cap-card {
  background: var(--card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}

.cap-card:hover {
  border-color: var(--line-bright);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.cap-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: var(--radius) var(--radius) 0 0;
}

.cap-card--blue::before {
  background: linear-gradient(90deg, var(--accent), var(--accent-b));
}

.cap-card--green::before {
  background: linear-gradient(90deg, var(--green), var(--accent));
}

.cap-card--purple::before {
  background: linear-gradient(90deg, var(--accent-b), var(--accent-c));
}

.cap-card--gold::before {
  background: linear-gradient(90deg, var(--gold), var(--accent-c));
}

.cap-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}

.cap-card--blue .cap-icon {
  background: rgba(50, 216, 255, 0.12);
  color: var(--accent);
}

.cap-card--green .cap-icon {
  background: rgba(47, 211, 163, 0.12);
  color: var(--green);
}

.cap-card--purple .cap-icon {
  background: rgba(122, 107, 255, 0.12);
  color: var(--accent-b);
}

.cap-card--gold .cap-icon {
  background: rgba(245, 183, 49, 0.12);
  color: var(--gold);
}

.cap-card h3 {
  font-family: var(--font-head);
  font-size: 24px;
  font-weight: 400;
  margin-bottom: 12px;
}

.cap-card p {
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.7;
}

.cap-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.cap-tag {
  background: var(--glass);
  border: 1px solid var(--line);
  color: var(--muted);
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
}

/* ══════════════════════════════════
   PIPELINE / HOW IT WORKS
   ══════════════════════════════════ */
.pipeline-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

.pipeline-step {
  text-align: center;
  padding: 32px 20px;
  position: relative;
}

.pipeline-step::after {
  content: '→';
  position: absolute;
  right: -12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 24px;
  color: var(--muted);
  z-index: 2;
}

.pipeline-step:last-child::after {
  display: none;
}

.step-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-b));
  color: var(--bg);
  font-weight: 700;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.pipeline-step h4 {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 400;
  margin-bottom: 8px;
}

.pipeline-step p {
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.6;
}

/* ══════════════════════════════════
   TECH STACK
   ══════════════════════════════════ */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.tech-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 24px;
  text-align: center;
  transition: all var(--transition);
}

.tech-item:hover {
  border-color: var(--line-bright);
  transform: translateY(-2px);
}

.tech-icon {
  font-size: 32px;
  margin-bottom: 12px;
}

.tech-item h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}

.tech-item p {
  color: var(--muted);
  font-size: 13px;
}

/* ══════════════════════════════════
   CTA BANNER
   ══════════════════════════════════ */
.cta-banner {
  padding: 80px 0;
  text-align: center;
  position: relative;
}

.cta-banner-inner {
  background: linear-gradient(135deg, rgba(122, 107, 255, 0.15), rgba(50, 216, 255, 0.1), rgba(255, 79, 216, 0.08));
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  padding: 64px 40px;
  backdrop-filter: blur(20px);
}

.cta-banner h2 {
  font-family: var(--font-head);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 400;
  margin-bottom: 16px;
}

.cta-banner p {
  color: var(--text-dim);
  font-size: 17px;
  max-width: 520px;
  margin: 0 auto 28px;
}

/* ══════════════════════════════════
   BUTTONS
   ══════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.01em;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-b));
  color: var(--bg);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(50, 216, 255, 0.25);
  color: var(--bg);
  text-decoration: none;
}

.btn--ghost {
  background: transparent;
  border: 1px solid var(--line-bright);
  color: var(--text);
}

.btn--ghost:hover {
  background: var(--glass);
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

/* ══════════════════════════════════
   FOOTER
   ══════════════════════════════════ */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
  padding: 48px 0 36px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand-logo {
  height: 30px;
  margin-bottom: 14px;
}

.footer-desc {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
  max-width: 300px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  color: var(--muted);
  font-size: 14px;
  padding: 5px 0;
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--accent);
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy {
  color: var(--muted);
  font-size: 13px;
}

.footer-legal {
  display: flex;
  gap: 20px;
}

.footer-legal a {
  color: var(--muted);
  font-size: 13px;
}

.footer-legal a:hover {
  color: var(--accent);
  text-decoration: none;
}

/* ══════════════════════════════════
   FORMS (Contact, Data Request)
   ══════════════════════════════════ */
.legal-page {
  padding: 60px 0 80px;
  max-width: 780px;
}

.legal-page h1 {
  font-family: var(--font-head);
  font-size: 42px;
  font-weight: 400;
  margin-bottom: 8px;
}

.legal-page h2 {
  font-family: var(--font-head);
  font-size: 28px;
  font-weight: 400;
  margin-top: 36px;
  margin-bottom: 12px;
}

.legal-page p {
  color: var(--text-dim);
  line-height: 1.8;
}

.last-updated {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 20px;
}

.contact-box {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  backdrop-filter: blur(8px);
}

.contact-box p {
  margin-bottom: 8px;
}

.contact-box p:last-child {
  margin-bottom: 0;
}

.legal-form {
  margin-top: 20px;
  display: grid;
  gap: 16px;
}

.form-group {
  display: grid;
  gap: 6px;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  background: var(--bg-soft);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-submit {
  border: 0;
  border-radius: var(--radius-sm);
  padding: 14px 24px;
  font-weight: 700;
  font-size: 15px;
  background: linear-gradient(135deg, var(--accent), var(--accent-b));
  color: var(--bg);
  cursor: pointer;
  transition: all var(--transition);
}

.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(50, 216, 255, 0.25);
}

.form-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.form-status {
  display: none;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 14px;
}

.form-status.success {
  display: block;
  background: rgba(47, 211, 163, 0.12);
  border: 1px solid rgba(47, 211, 163, 0.3);
  color: var(--green);
}

.form-status.error {
  display: block;
  background: rgba(255, 79, 216, 0.1);
  border: 1px solid rgba(255, 79, 216, 0.25);
  color: var(--accent-c);
}

/* ══════════════════════════════════
   SCROLL ANIMATIONS
   ══════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-16px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ══════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════ */
@media (max-width: 900px) {
  .hero {
    padding: 72px 0 48px;
  }

  .hero h1 {
    font-size: 36px;
  }

  .capabilities-grid {
    grid-template-columns: 1fr;
  }

  .pipeline-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .pipeline-step::after {
    display: none;
  }

  .stats-strip {
    grid-template-columns: 1fr 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .header-nav {
    display: none;
  }

  .hamburger {
    display: inline-block;
  }
}

@media (max-width: 600px) {
  .hero h1 {
    font-size: 30px;
  }

  .hero-sub {
    font-size: 16px;
  }

  .stats-strip {
    grid-template-columns: 1fr;
  }

  .pipeline-grid {
    grid-template-columns: 1fr;
  }

  .cta-banner-inner {
    padding: 40px 24px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .footer-legal {
    justify-content: center;
  }
}