/* ── Tracfast Homepage ─────────────────────────────────────────── */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --green: #10b981;
  --green-dark: #059669;
  --dark: #0f172a;
  --slate: #1e293b;
  --gray: #475569;
  --light-gray: #94a3b8;
  --lighter: #e2e8f0;
  --bg: #f8fafc;
  --white: #ffffff;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.12);
}

body {
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--slate);
  background: var(--white);
  line-height: 1.6;
}

/* ── Nav ──────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--lighter);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}
.nav-logo-img {
  height: 38px;
  width: auto;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  text-decoration: none;
  color: var(--gray);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--dark); }
.nav-cta {
  background: var(--green) !important;
  color: var(--white) !important;
  padding: 8px 20px;
  border-radius: 8px;
  font-weight: 600 !important;
  transition: background 0.2s !important;
}
.nav-cta:hover { background: var(--green-dark) !important; }
.nav-mobile {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--dark);
}

/* ── Hero ─────────────────────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--dark) 0%, #1a2744 50%, var(--slate) 100%);
  color: var(--white);
  padding: 140px 24px 80px;
  text-align: center;
}
.hero-inner { max-width: 820px; margin: 0 auto; }
.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 20px;
}
.hero h1 span { color: var(--green); }
.hero-sub {
  font-size: 1.15rem;
  color: var(--light-gray);
  max-width: 580px;
  margin: 0 auto 32px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-bottom: 56px;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 680px;
  margin: 0 auto;
}
.stat {
  text-align: center;
}
.stat strong {
  display: block;
  font-size: 1.3rem;
  color: var(--green);
  margin-bottom: 2px;
}
.stat span {
  font-size: 0.8rem;
  color: var(--light-gray);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ── Buttons ──────────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.2s;
}
.btn.primary {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
}
.btn.primary:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
}
.btn.outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.3);
}
.btn.outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}
.btn.lg { padding: 14px 32px; font-size: 1rem; }

/* ── Sections ─────────────────────────────────────────────────── */
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 10px;
  letter-spacing: -0.5px;
}
.section-sub {
  text-align: center;
  color: var(--gray);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto 48px;
}

/* ── Features ─────────────────────────────────────────────────── */
.features {
  background: var(--bg);
  padding: 96px 24px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--white);
  border: 1px solid var(--lighter);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: box-shadow 0.2s, transform 0.2s;
}
.feature-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.feature-icon {
  font-size: 2rem;
  margin-bottom: 14px;
}
.feature-card h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--dark);
}
.feature-card p {
  font-size: 0.88rem;
  color: var(--gray);
  line-height: 1.6;
}

/* ── Videos ───────────────────────────────────────────────────── */
.videos {
  padding: 96px 24px;
  background: var(--white);
}
.videos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.video-card {
  background: var(--white);
  border: 1px solid var(--lighter);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s, transform 0.2s;
}
.video-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.video-wrap {
  position: relative;
  padding-top: 56.25%;
  background: var(--dark);
}
.video-wrap iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.video-info {
  padding: 20px;
}
.video-info h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
  color: var(--dark);
}
.video-info p {
  font-size: 0.85rem;
  color: var(--gray);
  line-height: 1.6;
}

/* ── Pricing ──────────────────────────────────────────────────── */
.pricing {
  padding: 96px 24px;
  background: var(--bg);
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}
.price-card {
  background: var(--white);
  border: 1px solid var(--lighter);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  position: relative;
  transition: box-shadow 0.2s;
}
.price-card:hover { box-shadow: var(--shadow-lg); }
.price-card.featured {
  border-color: var(--green);
  box-shadow: 0 0 0 1px var(--green), var(--shadow-lg);
}
.price-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--green);
  color: var(--white);
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.price-card h3 {
  font-size: 1.4rem;
  margin-bottom: 4px;
  color: var(--dark);
}
.price-desc {
  font-size: 0.85rem;
  color: var(--gray);
  margin-bottom: 20px;
}
.price {
  font-size: 1rem;
  color: var(--gray);
  margin-bottom: 24px;
}
.price strong {
  font-size: 2.4rem;
  color: var(--dark);
}
.price-card ul {
  list-style: none;
  text-align: left;
  margin-bottom: 28px;
}
.price-card li {
  padding: 8px 0;
  font-size: 0.88rem;
  color: var(--gray);
  border-bottom: 1px solid var(--bg);
}
.price-card li::before {
  content: "✓ ";
  color: var(--green);
  font-weight: 700;
}
.price-card .btn { width: 100%; }

/* ── Contact ──────────────────────────────────────────────────── */
.contact {
  padding: 96px 24px;
  background: var(--white);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  align-items: start;
}
.contact-item {
  margin-bottom: 24px;
}
.contact-item strong {
  font-size: 1rem;
  color: var(--dark);
  display: block;
  margin-bottom: 4px;
}
.contact-item p {
  color: var(--gray);
  font-size: 0.9rem;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.contact-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--lighter);
  border-radius: 8px;
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--green);
}
.contact-form textarea { resize: vertical; }
.contact-form .btn { align-self: flex-start; border: none; }

/* ── Footer ───────────────────────────────────────────────────── */
.footer {
  background: var(--dark);
  color: var(--light-gray);
  padding: 48px 24px;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}
.footer-brand p {
  font-size: 0.85rem;
  margin-top: 6px;
  color: var(--light-gray);
}
.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}
.footer-links a {
  color: var(--light-gray);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--white); }
.footer-copy {
  font-size: 0.78rem;
  color: var(--gray);
  margin-top: 8px;
}

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero h1 { font-size: 2.2rem; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .videos-grid { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .contact-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--lighter);
    padding: 16px 24px;
    gap: 14px;
    box-shadow: var(--shadow);
  }
  .nav-mobile { display: block; }
}

@media (max-width: 600px) {
  .hero { padding: 120px 16px 60px; }
  .hero h1 { font-size: 1.8rem; }
  .hero-sub { font-size: 1rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .features-grid { grid-template-columns: 1fr; }
  .section-title { font-size: 1.6rem; }
  .contact-form .form-row { grid-template-columns: 1fr; }
}