@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@800&display=swap');

/* ── CSS Variables ── */
:root {
  --bg: #07070b;
  --bg-surface: #0c0c12;
  --bg-elevated: #131319;
  --bg-card: rgba(19, 19, 25, 0.65);
  --navy: #203A63;
  --navy-light: #2a4d80;
  --accent: #00A8E8;
  --accent-light: #33C1FF;
  --accent-dim: rgba(0, 168, 232, 0.1);
  --accent-glow: rgba(0, 168, 232, 0.06);
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(0, 168, 232, 0.18);
  --text: #eeece7;
  --text-dim: #8b8780;
  --text-muted: #555249;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
  --serif: 'Instrument Serif', Georgia, serif;
  --mono: 'JetBrains Mono', monospace;
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ── Header / Nav ── */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(7, 7, 11, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

nav {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 40px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-links a {
  font-size: 0.875rem;
  color: var(--text-dim);
  transition: color 0.3s var(--ease);
  font-weight: 500;
}

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

.nav-links .btn-nav {
  background: var(--accent);
  color: var(--bg);
  padding: 0.5rem 1.2rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.85rem;
  transition: all 0.3s var(--ease);
}

.nav-links .btn-nav:hover {
  background: var(--accent-light);
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}

.mobile-menu.active { display: flex; }

.mobile-menu a {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-dim);
  transition: color 0.3s;
}

.mobile-menu a:hover { color: var(--text); }

.mobile-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: var(--text);
  font-size: 2rem;
  cursor: pointer;
}

/* ── Buttons ── */
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: var(--bg);
  padding: 0.85rem 2rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.3s var(--ease);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 168, 232, 0.25);
}

.btn-secondary {
  display: inline-block;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-dim);
  padding: 0.85rem 2rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid var(--border);
  transition: all 0.3s var(--ease);
  cursor: pointer;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.12);
}

/* ── Shared Typography ── */
.serif-accent {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}

.section-label {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.65px;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 1rem;
}

/* ── Page Hero (inner pages) ── */
.page-hero {
  padding: 10rem 2rem 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(0, 168, 232, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.breadcrumb a {
  color: var(--text-muted);
  transition: color 0.3s;
}

.breadcrumb a:hover { color: var(--text-dim); }

.breadcrumb span { color: var(--text-dim); }

.page-hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

.page-hero .subtitle {
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.15rem;
  color: var(--text-dim);
  line-height: 1.7;
}

/* ── Cards ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all 0.4s var(--ease);
}

.card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* ── Tags / Pills ── */
.tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  font-size: 0.8rem;
  color: var(--text-dim);
  font-weight: 500;
}

/* ── Step Number ── */
.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--border-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 1.25rem;
}

/* ── Content Section ── */
.content-section {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.content-section h2 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.content-section .section-description {
  color: var(--text-dim);
  font-size: 1.1rem;
  max-width: 600px;
  margin-bottom: 3rem;
  line-height: 1.7;
}

/* ── Value Proposition Section ── */
.value-prop {
  padding: 6rem 2rem;
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-light) 30%, var(--navy) 100%);
  position: relative;
}

.value-prop-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.value-prop .lead-text {
  color: rgba(238, 236, 231, 0.45);
  font-size: 1.1rem;
  line-height: 1.7;
  max-width: 700px;
  margin-bottom: 2rem;
}

.value-prop h2 {
  font-size: clamp(2rem, 5vw, 2.875rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  max-width: 800px;
  margin-bottom: 4rem;
}

.value-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.value-stat {
  text-align: left;
}

.value-stat .number {
  font-size: clamp(2rem, 4vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--accent);
}

.value-stat .label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.1px;
  color: rgba(238, 236, 231, 0.35);
  font-weight: 400;
  margin-top: 0.25rem;
}

/* ── CTA Section ── */
.cta-section {
  padding: 8rem 2rem;
  text-align: center;
}

.cta-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.65px;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.cta-label::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

.cta-section h2 {
  font-size: clamp(2.5rem, 6vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

.cta-description {
  color: var(--text-dim);
  font-size: 1.1rem;
  max-width: 520px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border);
  padding: 4rem 2rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand .logo {
  margin-bottom: 1rem;
}

.footer-brand p {
  color: var(--text-dim);
  font-size: 0.9rem;
  line-height: 1.65;
  max-width: 300px;
}

.footer-col h4 {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-col a {
  color: var(--text-dim);
  font-size: 0.9rem;
  transition: color 0.3s;
}

.footer-col a:hover { color: var(--text); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.footer-bottom .copyright {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-bottom .availability {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 500;
}

.footer-bottom .availability::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

/* ── Grid Layouts ── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

/* ── FAQ ── */
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 0;
}

.faq-question {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  cursor: pointer;
}

.faq-answer {
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 700px;
}

/* ── Contact Form ── */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  color: var(--text);
  font-family: var(--sans);
  font-size: 0.95rem;
  transition: border-color 0.3s var(--ease);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
}

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

.form-group select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238b8780' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

/* ── Learn More Link ── */
.learn-more {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
  transition: gap 0.3s var(--ease);
}

.learn-more:hover { gap: 0.7rem; }
.learn-more::after { content: '→'; }

/* ── Animations ── */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ── */

/* Tablet */
@media (max-width: 1024px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .value-stats { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

/* Mobile */
@media (max-width: 768px) {
  nav { max-width: 100%; padding: 0 1.25rem; }
  .nav-links { display: none; }
  .menu-toggle { display: block; }
  .logo img { height: 34px; }

  /* Layout */
  .grid-2 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }

  /* Page hero */
  .page-hero { padding: 6.5rem 1.25rem 2.5rem; }
  .page-hero h1 { font-size: clamp(2rem, 8vw, 3rem); }
  .page-hero .subtitle { font-size: 1rem; }
  .breadcrumb { font-size: 0.8rem; margin-bottom: 1.5rem; }

  /* Content sections */
  .content-section { padding: 2.5rem 1.25rem; }
  .content-section h2 { font-size: clamp(1.75rem, 7vw, 2.5rem); }
  .content-section .section-description { font-size: 1rem; margin-bottom: 2rem; }

  /* Cards */
  .card { padding: 1.5rem; border-radius: var(--radius); }

  /* Tags */
  .tag { padding: 0.35rem 0.75rem; font-size: 0.75rem; }

  /* Value prop */
  .value-prop { padding: 3.5rem 1.25rem; }
  .value-prop h2 { font-size: clamp(1.75rem, 7vw, 2.25rem); margin-bottom: 2.5rem; }
  .value-prop .lead-text { font-size: 1rem; }
  .value-stats { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }

  /* CTA */
  .cta-section { padding: 4rem 1.25rem; }
  .cta-section h2 { font-size: clamp(2rem, 8vw, 2.75rem); }
  .cta-description { font-size: 1rem; }

  /* Buttons — larger touch targets */
  .btn-primary, .btn-secondary {
    padding: 0.95rem 2rem;
    font-size: 0.95rem;
    width: 100%;
    text-align: center;
  }
  .cta-buttons {
    flex-direction: column;
    align-items: stretch;
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
  }

  /* Step numbers */
  .step-number { width: 40px; height: 40px; font-size: 0.8rem; }

  /* FAQ */
  .faq-question { font-size: 0.95rem; }
  .faq-answer { font-size: 0.9rem; }

  /* Footer */
  .footer-top { grid-template-columns: 1fr; gap: 2rem; }
  footer { padding: 3rem 1.25rem 1.5rem; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }

  /* Mobile menu — better touch targets */
  .mobile-menu a {
    font-size: 1.35rem;
    padding: 0.5rem 0;
  }
}

/* Small phones */
@media (max-width: 480px) {
  .page-hero h1 { font-size: 2rem; }
  .page-hero { padding: 6rem 1rem 2rem; }
  .content-section { padding: 2rem 1rem; }
  .cta-section { padding: 3rem 1rem; }
  .value-prop { padding: 3rem 1rem; }
  footer { padding: 2.5rem 1rem 1.5rem; }

  /* Stats go single column */
  .value-stats { grid-template-columns: 1fr 1fr; gap: 1.25rem; }
  .grid-4 { grid-template-columns: 1fr; }

  .card { padding: 1.25rem; }
}