:root {
  --navy: #0a2240;
  --navy-deep: #061732;
  --gold: #f5c842;
  --gold-glow: rgba(245, 200, 66, 0.35);
  --green: #1e7a3e;
  --off-white: #f4f6f8;
  --muted: #9aa7bd;
  --border: rgba(244, 246, 248, 0.1);
  --max: 1120px;
  --radius: 14px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--navy);
  color: var(--off-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Oswald', 'Inter', sans-serif;
  font-weight: 700;
  letter-spacing: 0.5px;
  line-height: 1.15;
}

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

a:hover {
  text-decoration: underline;
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 34, 64, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-family: 'Oswald', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--off-white);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.brand .accent {
  color: var(--gold);
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--off-white);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s;
}

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

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  color: var(--off-white);
  font-size: 24px;
  cursor: pointer;
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--navy-deep);
    flex-direction: column;
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open {
    display: flex;
  }
}

/* Hero */
.hero {
  position: relative;
  padding: 100px 24px 120px;
  text-align: center;
  background:
    radial-gradient(ellipse at top, rgba(245, 200, 66, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at bottom, rgba(30, 122, 62, 0.06) 0%, transparent 60%),
    var(--navy);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(60deg, transparent 49.5%, rgba(244, 246, 248, 0.025) 49.5%, rgba(244, 246, 248, 0.025) 50.5%, transparent 50.5%),
    linear-gradient(-60deg, transparent 49.5%, rgba(244, 246, 248, 0.025) 49.5%, rgba(244, 246, 248, 0.025) 50.5%, transparent 50.5%);
  background-size: 60px 104px;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: clamp(40px, 7vw, 80px);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.hero h1 .underline {
  display: inline-block;
  position: relative;
}

.hero h1 .underline::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 6px;
  background: var(--gold);
  border-radius: 3px;
  box-shadow: 0 0 20px var(--gold-glow);
}

.tagline {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(18px, 2.5vw, 24px);
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 4px;
  margin-top: 28px;
}

.sub-tagline {
  font-size: clamp(15px, 1.8vw, 18px);
  color: var(--muted);
  max-width: 520px;
  margin: 16px auto 36px;
}

.cta-row {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: var(--radius);
  font-family: 'Oswald', sans-serif;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  border: 0;
  transition: transform 0.15s, box-shadow 0.2s;
}

.btn-primary {
  background: var(--gold);
  color: var(--navy-deep);
  box-shadow: 0 8px 24px var(--gold-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px var(--gold-glow);
  text-decoration: none;
}

.btn-secondary {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  cursor: not-allowed;
}

.availability {
  font-size: 13px;
  color: var(--muted);
  margin-top: 8px;
}

/* Sections */
section {
  padding: 80px 24px;
}

.section-inner {
  max-width: var(--max);
  margin: 0 auto;
}

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 8px;
}

.section-subtitle {
  text-align: center;
  color: var(--muted);
  margin-bottom: 56px;
  font-size: 16px;
}

/* Features */
.features {
  background: var(--navy-deep);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

@media (max-width: 1024px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}

@media (max-width: 560px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
}

.feature {
  background: rgba(244, 246, 248, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: transform 0.2s, border-color 0.2s;
}

.feature:hover {
  transform: translateY(-4px);
  border-color: var(--gold);
}

.feature-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  color: var(--gold);
}

.feature h3 {
  font-size: 20px;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.feature p {
  color: var(--muted);
  font-size: 15px;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

.about-text h2 {
  font-size: clamp(28px, 4vw, 40px);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.about-text p {
  color: var(--muted);
  font-size: 16px;
  margin-bottom: 16px;
}

.phone-mock {
  aspect-ratio: 9 / 19;
  max-width: 280px;
  margin: 0 auto;
  background: linear-gradient(135deg, var(--navy-deep) 0%, #1a3358 100%);
  border-radius: 36px;
  border: 8px solid var(--navy-deep);
  box-shadow:
    0 30px 60px rgba(0, 0, 0, 0.4),
    inset 0 0 0 1px var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone-mock-icon {
  width: 80px;
  height: 80px;
  background: var(--gold);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Oswald', sans-serif;
  font-size: 32px;
  font-weight: 700;
  color: var(--navy-deep);
  box-shadow: 0 0 40px var(--gold-glow);
}

/* Footer */
footer {
  background: var(--navy-deep);
  border-top: 1px solid var(--border);
  padding: 64px 24px 24px;
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.footer-col h4 {
  font-size: 14px;
  color: var(--gold);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}

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

.copyright {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  padding-top: 24px;
}

/* Legal pages (privacy / terms / support) */
.legal {
  max-width: 760px;
  margin: 0 auto;
  padding: 64px 24px 96px;
}

.legal h1 {
  font-size: clamp(32px, 5vw, 48px);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.legal .updated {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 40px;
}

.legal h2 {
  font-size: 22px;
  text-transform: uppercase;
  color: var(--gold);
  margin-top: 40px;
  margin-bottom: 12px;
}

.legal h3 {
  font-size: 17px;
  margin-top: 24px;
  margin-bottom: 8px;
}

.legal p,
.legal ul,
.legal ol {
  color: var(--off-white);
  font-size: 15px;
  margin-bottom: 14px;
}

.legal ul,
.legal ol {
  padding-left: 24px;
}

.legal li {
  margin-bottom: 8px;
}

.legal a {
  color: var(--gold);
  text-decoration: underline;
}

.legal a.btn {
  text-decoration: none;
}

.legal a.btn-primary {
  color: var(--navy-deep);
}

/* Support / FAQ */
.faq {
  margin-top: 32px;
}

.faq details {
  background: rgba(244, 246, 248, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-bottom: 12px;
  cursor: pointer;
  transition: border-color 0.2s;
}

.faq details[open] {
  border-color: var(--gold);
}

.faq summary {
  font-family: 'Oswald', sans-serif;
  font-size: 16px;
  font-weight: 600;
  text-transform: uppercase;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  letter-spacing: 0.5px;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: '+';
  font-family: 'Inter', sans-serif;
  font-size: 22px;
  color: var(--gold);
  transition: transform 0.2s;
}

.faq details[open] summary::after {
  transform: rotate(45deg);
}

.faq details p {
  margin-top: 14px;
  color: var(--muted);
  font-size: 15px;
}

.support-cta {
  text-align: center;
  margin-top: 48px;
  padding: 40px;
  background: rgba(245, 200, 66, 0.06);
  border: 1px solid var(--gold);
  border-radius: var(--radius);
}

.support-cta h3 {
  font-size: 22px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.support-cta p {
  color: var(--muted);
  margin-bottom: 24px;
}