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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: #0a0a0a;
  color: #e0e0e0;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Nav ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid #2a2a2a;
}

.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.logo-plan {
  font-weight: 300;
  color: #fff;
}

.logo-trip {
  font-weight: 600;
  background: linear-gradient(135deg, #667eea, #764ba2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 400;
  color: #888;
  transition: color 0.2s;
}

.nav-link:hover {
  color: #fff;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-weight: 500;
  border: none;
  cursor: pointer;
  border-radius: 10px;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.btn-primary {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: #fff;
  padding: 12px 28px;
  font-size: 0.9375rem;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
  background: #1a1a1a;
  color: #e0e0e0;
  padding: 12px 28px;
  font-size: 0.9375rem;
  border: 1px solid #2a2a2a;
}

.btn-secondary:hover {
  background: #222;
  border-color: #3a3a3a;
}

.btn-sm {
  padding: 8px 20px;
  font-size: 0.8125rem;
  border-radius: 8px;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.0625rem;
}

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
}

.hero-headline {
  font-size: 3.5rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1.1;
  max-width: 720px;
  margin: 0 auto 24px;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: #888;
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Features ── */
.features {
  padding: 100px 0;
}

.section-title {
  font-size: 2rem;
  font-weight: 600;
  color: #fff;
  text-align: center;
  letter-spacing: -0.02em;
  margin-bottom: 60px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: #141414;
  border: 1px solid #2a2a2a;
  border-radius: 16px;
  padding: 32px;
  transition: border-color 0.3s, transform 0.3s;
}

.feature-card:hover {
  border-color: #3a3a3a;
  transform: translateY(-4px);
}

.feature-icon {
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.875rem;
  color: #888;
  line-height: 1.7;
}

/* ── Scroll Animation ── */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Solutions Page ── */

.nav-link-active {
  color: #fff;
}

/* Hero */
.sol-hero {
  position: relative;
  padding: 160px 24px 80px;
  text-align: center;
  overflow: hidden;
}

.sol-hero-glow {
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(102, 126, 234, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.sol-hero-badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #667eea;
  background: rgba(102, 126, 234, 0.08);
  border: 1px solid rgba(102, 126, 234, 0.2);
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 28px;
}

.sol-hero-headline {
  font-size: 3.25rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.035em;
  line-height: 1.1;
  max-width: 600px;
  margin: 0 auto 20px;
}

.sol-hero-subtitle {
  font-size: 1.0625rem;
  color: #777;
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

/* Quick-nav pills */
.sol-nav-pills {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.sol-pill {
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 10px 20px;
  border-radius: 10px;
  border: 1px solid #2a2a2a;
  background: #111;
  color: #aaa;
  transition: all 0.2s;
}

.sol-pill:hover {
  border-color: #444;
  color: #fff;
  transform: translateY(-2px);
}

.sol-pill-indigo:hover { border-color: rgba(102,126,234,0.5); background: rgba(102,126,234,0.06); color: #667eea; }
.sol-pill-emerald:hover { border-color: rgba(52,211,153,0.5); background: rgba(52,211,153,0.06); color: #34d399; }
.sol-pill-amber:hover { border-color: rgba(245,158,11,0.5); background: rgba(245,158,11,0.06); color: #f59e0b; }
.sol-pill-violet:hover { border-color: rgba(129,140,248,0.5); background: rgba(129,140,248,0.06); color: #818cf8; }

/* Persona sections */
.sol-persona {
  padding: 100px 0;
  position: relative;
}

.sol-persona-alt {
  background: #0e0e0e;
}

.sol-persona-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.sol-persona-grid-flip .sol-persona-content { order: 2; }
.sol-persona-grid-flip .sol-persona-visual { order: 1; }

/* Section number */
.sol-persona-number {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.12;
  line-height: 1;
  margin-bottom: 12px;
  letter-spacing: -0.04em;
}

/* Label pill */
.sol-persona-label {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: var(--accent-bg);
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.sol-persona-title {
  font-size: 1.875rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.025em;
  line-height: 1.25;
  margin-bottom: 16px;
}

.sol-persona-quote {
  font-size: 0.9375rem;
  color: #888;
  font-style: italic;
  line-height: 1.7;
  margin-bottom: 28px;
  padding-left: 16px;
  border-left: 2px solid #2a2a2a;
}

/* Benefits list with CSS check icons */
.sol-benefits {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.sol-benefits li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.875rem;
  color: #ccc;
  line-height: 1.6;
}

.sol-benefits li::before {
  content: '';
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  border-radius: 50%;
  background: var(--check);
  opacity: 0.15;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' xmlns='http://www.w3.org/2000/svg'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 10px;
}

/* Pain point card */
.sol-pain {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid #1e1e1e;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 28px;
}

.sol-pain h4 {
  font-size: 0.8125rem;
  font-weight: 600;
  color: #bbb;
  margin-bottom: 8px;
}

.sol-pain p {
  font-size: 0.8125rem;
  color: #666;
  line-height: 1.7;
}

/* Visual card */
.sol-card {
  background: #111;
  border: 1px solid #1e1e1e;
  border-radius: 20px;
  padding: 36px;
  position: relative;
  overflow: hidden;
}

.sol-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--glow);
  opacity: 0.6;
}

.sol-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 120px;
  background: radial-gradient(ellipse, var(--glow), transparent 70%);
  opacity: 0.06;
  pointer-events: none;
}

.sol-card-icon {
  width: 60px;
  height: 60px;
  background: #0a0a0a;
  border: 1px solid #1e1e1e;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.sol-card-title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
}

.sol-card-desc {
  font-size: 0.8125rem;
  color: #666;
  margin-bottom: 24px;
}

.sol-card-metrics {
  display: flex;
  gap: 28px;
  margin-bottom: 24px;
}

.sol-metric {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sol-metric-val {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--accent);
}

.sol-metric-lbl {
  font-size: 0.6875rem;
  color: #555;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.sol-card-bar {
  height: 4px;
  background: #1a1a1a;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 8px;
}

.sol-card-bar-fill {
  height: 100%;
  background: var(--bar);
  border-radius: 4px;
  opacity: 0.5;
}

.sol-card-bar-label {
  font-size: 0.6875rem;
  color: #444;
}

/* Footer grid for solutions page */
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  text-align: left;
}

.footer-brand .logo {
  margin-bottom: 8px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links h4 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #888;
  margin-bottom: 4px;
}

.footer-links a {
  font-size: 0.8125rem;
  color: #555;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: #ccc;
}

/* ── CTA Section ── */
.cta {
  padding: 100px 0;
  text-align: center;
}

.cta h2 {
  font-size: 2rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.cta p {
  color: #888;
  font-size: 1.0625rem;
  margin-bottom: 36px;
}

/* ── Footer ── */
.footer {
  border-top: 1px solid #2a2a2a;
  padding: 40px 0;
  text-align: center;
}

.footer .logo {
  display: inline-block;
  margin-bottom: 12px;
}

.footer-copy {
  font-size: 0.8125rem;
  color: #555;
}

/* ── Responsive: Tablet (768px) ── */
@media (max-width: 768px) {
  .hero-headline {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .section-title {
    font-size: 1.75rem;
  }

  .sol-hero-headline {
    font-size: 2.5rem;
  }

  .sol-persona-grid,
  .sol-persona-grid-flip {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .sol-persona-grid-flip .sol-persona-content { order: 1; }
  .sol-persona-grid-flip .sol-persona-visual { order: 2; }

  .sol-persona-title {
    font-size: 1.5rem;
  }

  .sol-card-metrics {
    gap: 20px;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }
}

/* ── Responsive: Mobile (480px) ── */
@media (max-width: 480px) {
  .hero {
    padding: 100px 16px 60px;
  }

  .hero-headline {
    font-size: 2rem;
  }

  .hero-ctas {
    flex-direction: column;
    align-items: center;
  }

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

  .feature-card {
    padding: 24px;
  }

  .section-title {
    font-size: 1.5rem;
    margin-bottom: 40px;
  }

  .cta h2 {
    font-size: 1.5rem;
  }

  .sol-hero {
    padding: 120px 16px 60px;
  }

  .sol-hero-headline {
    font-size: 2rem;
  }

  .sol-nav-pills {
    flex-direction: column;
    align-items: center;
  }

  .sol-persona {
    padding: 60px 0;
  }

  .sol-card {
    padding: 24px;
  }

  .sol-card-metrics {
    flex-wrap: wrap;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
}