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

:root {
  --bg: #f2efee;
  --text: #13334d;
  --text-muted: rgba(19, 51, 77, 0.65);
  --primary: #e7a32a;
  --primary-hover: #d8941f;
  --accent: #4190da;
  --accent-soft: rgba(65, 144, 218, 0.1);
  --surface: #ffffff;
  --surface-alt: #faf9f8;
  --shadow: 0 8px 32px rgba(19, 51, 77, 0.08);
  --shadow-sm: 0 2px 12px rgba(19, 51, 77, 0.06);
  --border: rgba(19, 51, 77, 0.1);
  --radius: 16px;
  --radius-lg: 24px;
  --nav-height: 72px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ── Header ── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(242, 239, 238, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: cover;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.15s;
}

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  background: var(--primary);
  color: var(--text) !important;
  border-radius: 999px;
  font-weight: 600 !important;
  box-shadow: 0 2px 10px rgba(231, 163, 42, 0.3);
  transition: background 0.15s, transform 0.15s;
}

.nav-cta:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--text);
}

.menu-toggle svg {
  width: 24px;
  height: 24px;
}

/* ── Hero ── */

.hero {
  padding: 4rem 0 5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-size: clamp(2rem, 4.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero h1 span {
  color: var(--accent);
}

.hero-lead {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 32rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  border-radius: 14px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--primary);
  color: var(--text);
  box-shadow: 0 4px 14px rgba(231, 163, 42, 0.35);
}

.btn-primary:hover {
  background: var(--primary-hover);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1.5px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  border-color: rgba(19, 51, 77, 0.2);
}

.hero-visual {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

.hero-visual::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -20%;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(231, 163, 42, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.trip-flow-preview {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.flow-step {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 0.875rem 1rem;
  background: var(--surface-alt);
  border-radius: 12px;
  border: 1px solid var(--border);
  font-size: 0.9375rem;
  font-weight: 500;
}

.flow-step.active {
  background: var(--accent-soft);
  border-color: rgba(65, 144, 218, 0.25);
}

.flow-step.done {
  opacity: 0.7;
}

.flow-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: var(--surface);
  font-size: 1rem;
}

.flow-step.active .flow-icon {
  background: var(--accent);
  color: #fff;
}

.flow-step.done .flow-icon {
  background: rgba(19, 51, 77, 0.08);
}

/* ── Sections ── */

section {
  padding: 4.5rem 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
}

.section-header h2 {
  font-size: clamp(1.65rem, 3vw, 2.125rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.0625rem;
}

.features {
  background: var(--surface);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-card {
  padding: 1.75rem;
  background: var(--surface-alt);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: box-shadow 0.2s, transform 0.2s;
}

.feature-card:hover {
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ── How it works ── */

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  counter-reset: step;
}

.step-card {
  position: relative;
  padding: 1.5rem 1.25rem;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}

.step-card::before {
  counter-increment: step;
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--primary);
  color: var(--text);
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.step-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.step-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ── Corporate ── */

.corporate {
  background: var(--text);
  color: #fff;
}

.corporate .section-header h2 {
  color: #fff;
}

.corporate .section-header p {
  color: rgba(255, 255, 255, 0.72);
}

.corporate-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.corporate-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.corporate-list li {
  display: flex;
  gap: 0.875rem;
  align-items: flex-start;
  font-size: 0.9375rem;
  line-height: 1.55;
}

.corporate-list li::before {
  content: "✓";
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  background: var(--primary);
  color: var(--text);
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
}

.corporate-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 2rem;
}

.corporate-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.corporate-card p {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.corporate-card .btn-primary {
  width: 100%;
}

/* ── Download ── */

.download {
  background: var(--surface);
}

.download-card {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  padding: 3rem 2rem;
  background: var(--bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.download-card h2 {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.download-card p {
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.download-actions {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  max-width: 340px;
  margin: 0 auto;
}

.download-actions .btn {
  width: 100%;
}

.btn-android {
  background: var(--primary);
  color: var(--text);
  box-shadow: 0 4px 14px rgba(231, 163, 42, 0.35);
}

.btn-android:hover {
  background: var(--primary-hover);
}

.btn-ios {
  background: var(--text);
  color: #fff;
  box-shadow: 0 4px 14px rgba(19, 51, 77, 0.25);
}

.btn-ios:hover {
  background: #0f2840;
}

.btn-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.download-version {
  margin-top: 1.25rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ── Contact ── */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.contact-card {
  padding: 1.75rem;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  text-align: center;
}

.contact-card-icon {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.contact-card h3 {
  font-size: 0.9375rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.contact-card p,
.contact-card a {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.contact-card a {
  color: var(--accent);
  word-break: break-word;
}

.contact-card a:hover {
  text-decoration: underline;
}

/* ── Footer ── */

.site-footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.9375rem;
}

.footer-brand img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color 0.15s;
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-copy {
  width: 100%;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

/* ── Mobile nav ── */

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .hero-visual {
    order: -1;
  }

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

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

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

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

@media (max-width: 680px) {
  .menu-toggle {
    display: block;
  }

  .nav {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: 0.75rem 1.25rem 1rem;
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
  }

  .nav a:last-child {
    border-bottom: none;
    margin-top: 0.5rem;
    text-align: center;
  }

  .site-header {
    position: relative;
  }

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

  .hero {
    padding: 2.5rem 0 3.5rem;
  }

  section {
    padding: 3rem 0;
  }

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

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