/* ============================================================
   RoadMeet Official Website — Global Styles
   ============================================================ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --green-dark:   #16231E;
  --green-darker: #0D1714;
  --green-mid:    #2A5C45;
  --green-accent: #3D8B6E;
  --green-light:  #E6F0EC;
  --green-pale:   #F2F7F4;

  --white:        #FFFFFF;
  --gray-bg:      #F5F7F5;
  --gray-border:  #E4EBE7;
  --gray-text:    #6B7B74;
  --ink:          #1A1A1A;
  --ink-soft:     #374340;

  --font-sans: 'Inter', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;

  --radius-sm:  8px;
  --radius-md:  14px;
  --radius-lg:  24px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 4px rgba(0,0,0,.06), 0 2px 12px rgba(0,0,0,.04);
  --shadow-md: 0 4px 24px rgba(0,0,0,.08), 0 1px 4px rgba(0,0,0,.04);

  --transition: 0.22s ease;
  --max-w: 1120px;
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { display: block; max-width: 100%; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }

/* ── Layout helpers ─────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 64px;
  display: flex;
  align-items: center;
  background: rgba(22, 35, 30, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.07);
  transition: background var(--transition);
}

.navbar.scrolled {
  background: rgba(22, 35, 30, 0.98);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.02em;
}

.nav-logo-dot {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--green-accent), var(--green-mid));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: rgba(255,255,255,.65);
  font-size: 14px;
  font-weight: 500;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--white); }

.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Language Toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,.1);
  border-radius: var(--radius-pill);
  padding: 3px;
  gap: 2px;
}
.lang-btn {
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,.55);
  transition: all var(--transition);
  letter-spacing: 0.01em;
}
.lang-btn.active {
  background: var(--white);
  color: var(--green-dark);
}
.lang-btn:hover:not(.active) { color: var(--white); }

/* Nav Download Button */
.btn-nav-download {
  padding: 8px 18px;
  background: var(--green-accent);
  color: var(--white);
  border-radius: var(--radius-pill);
  font-size: 13.5px;
  font-weight: 600;
  transition: all var(--transition);
}
.btn-nav-download:hover {
  background: #4A9E80;
  transform: translateY(-1px);
}

/* Hamburger (mobile) */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: rgba(255,255,255,.8);
  border-radius: 2px;
  transition: all var(--transition);
}

/* Mobile nav overlay */
.nav-mobile-menu {
  display: none;
  position: fixed;
  top: 64px; left: 0; right: 0;
  background: var(--green-darker);
  border-bottom: 1px solid rgba(255,255,255,.08);
  padding: 16px 24px 24px;
  flex-direction: column;
  gap: 4px;
  z-index: 99;
}
.nav-mobile-menu.open { display: flex; }
.nav-mobile-menu a {
  color: rgba(255,255,255,.75);
  font-size: 15px;
  font-weight: 500;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,.06);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  background: var(--green-dark);
  display: flex;
  align-items: center;
  padding-top: 64px;
  position: relative;
  overflow: hidden;
}

/* Subtle dot-grid background */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(255,255,255,.04) 1px, transparent 0);
  background-size: 32px 32px;
  pointer-events: none;
}

/* Green glow blobs */
.hero::after {
  content: '';
  position: absolute;
  top: -200px; right: -100px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(61,139,110,.18) 0%, transparent 70%);
  pointer-events: none;
}

.hero-glow-bottom {
  position: absolute;
  bottom: -100px; left: -150px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(42,92,69,.2) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 80px 0 100px;
  max-width: 680px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(61,139,110,.2);
  border: 1px solid rgba(61,139,110,.3);
  border-radius: var(--radius-pill);
  padding: 5px 14px;
  font-size: 13px;
  font-weight: 600;
  color: #7ECBA8;
  margin-bottom: 28px;
  letter-spacing: 0.02em;
}

.hero-tag::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #7ECBA8;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero h1 {
  font-size: clamp(40px, 6vw, 68px);
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero h1 em {
  font-style: normal;
  color: #7ECBA8;
}

.hero-subtitle {
  font-size: clamp(16px, 2vw, 19px);
  color: rgba(255,255,255,.6);
  max-width: 500px;
  line-height: 1.65;
  margin-bottom: 40px;
}

/* Download Buttons */
.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 48px;
}

.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  transition: all var(--transition);
}

.btn-download-ios {
  background: var(--white);
  color: var(--ink);
}
.btn-download-ios:hover {
  background: #F0F0F0;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,.2);
}

.btn-download-android {
  background: rgba(255,255,255,.1);
  color: var(--white);
  border: 1px solid rgba(255,255,255,.2);
}
.btn-download-android:hover {
  background: rgba(255,255,255,.18);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,.2);
}

.btn-download-icon {
  font-size: 20px;
  line-height: 1;
}

.btn-download-text {
  display: flex;
  flex-direction: column;
  text-align: left;
  line-height: 1.2;
}

.btn-download-text small {
  font-size: 11px;
  font-weight: 400;
  opacity: 0.7;
}

/* Hero Stats */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  align-items: center;
  gap: 7px;
  color: rgba(255,255,255,.5);
  font-size: 13.5px;
  font-weight: 500;
}

.hero-stat-dot {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: rgba(255,255,255,.25);
}

/* ============================================================
   CITIES STRIP
   ============================================================ */
.cities {
  background: #EEF4F1;
  padding: 28px 0;
  border-bottom: 1px solid var(--gray-border);
  overflow: hidden;
}

.cities-inner {
  display: flex;
  align-items: center;
  gap: 20px;
}

.cities-label {
  white-space: nowrap;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-text);
  flex-shrink: 0;
}

.cities-scroll {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: 2px;
}
.cities-scroll::-webkit-scrollbar { display: none; }

.city-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-pill);
  padding: 7px 14px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-soft);
  transition: all var(--transition);
  cursor: default;
}
.city-tag:hover {
  border-color: var(--green-accent);
  color: var(--green-mid);
  box-shadow: var(--shadow-sm);
}

.city-count {
  font-size: 12px;
  font-weight: 600;
  color: var(--green-accent);
  background: var(--green-light);
  border-radius: var(--radius-pill);
  padding: 1px 8px;
}

/* ============================================================
   FEATURES
   ============================================================ */
.features {
  padding: 100px 0;
  background: var(--white);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--green-accent);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.025em;
  line-height: 1.2;
}

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

.feature-card {
  background: var(--white);
  border: 1.5px solid var(--gray-border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: all var(--transition);
}

.feature-card:hover {
  border-color: var(--green-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.feature-icon {
  font-size: 36px;
  line-height: 1;
  margin-bottom: 20px;
  display: block;
}

.feature-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.feature-desc {
  font-size: 14px;
  color: var(--gray-text);
  line-height: 1.7;
}

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how {
  padding: 100px 0;
  background: var(--gray-bg);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  position: relative;
  margin-top: 20px;
}

/* Connecting line between steps */
.steps-grid::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(100% / 6);
  right: calc(100% / 6);
  height: 2px;
  background: repeating-linear-gradient(
    90deg,
    var(--green-accent) 0, var(--green-accent) 6px,
    transparent 6px, transparent 14px
  );
  opacity: 0.4;
}

.step {
  padding: 0 32px;
  text-align: center;
  position: relative;
}

.step-num {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--green-dark);
  color: var(--white);
  font-size: 18px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  letter-spacing: -0.02em;
  position: relative;
  z-index: 1;
}

.step-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.step-desc {
  font-size: 14px;
  color: var(--gray-text);
  line-height: 1.7;
  max-width: 220px;
  margin: 0 auto;
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials {
  padding: 100px 0;
  background: var(--white);
}

.testimonials-carousel {
  position: relative;
  overflow: hidden;
  margin-top: 16px;
}

.testimonials-track {
  display: flex;
  gap: 20px;
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.testimonial-card {
  flex: 0 0 calc(50% - 10px);
  background: var(--white);
  border: 1.5px solid var(--gray-border);
  border-radius: var(--radius-md);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color var(--transition);
}

.testimonial-card:hover {
  border-color: var(--green-accent);
}

.stars {
  color: #F5A623;
  font-size: 16px;
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: 15.5px;
  color: var(--ink-soft);
  line-height: 1.75;
  flex: 1;
  font-style: italic;
}

.testimonial-text::before { content: '\201C'; }
.testimonial-text::after  { content: '\201D'; }

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green-mid), var(--green-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.author-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}

.author-loc {
  font-size: 12.5px;
  color: var(--gray-text);
  margin-top: 1px;
}

/* Carousel controls */
.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 32px;
}

.carousel-btn {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1.5px solid var(--gray-border);
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-text);
  font-size: 16px;
  transition: all var(--transition);
  cursor: pointer;
}
.carousel-btn:hover {
  border-color: var(--green-accent);
  color: var(--green-accent);
}

.carousel-dots {
  display: flex;
  gap: 7px;
}

.carousel-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gray-border);
  transition: all var(--transition);
  cursor: pointer;
}
.carousel-dot.active {
  background: var(--green-accent);
  width: 20px;
  border-radius: 3px;
}

/* ============================================================
   DOWNLOAD CTA
   ============================================================ */
.cta {
  padding: 100px 0;
  background: var(--green-dark);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(255,255,255,.04) 1px, transparent 0);
  background-size: 32px 32px;
}

.cta::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 800px; height: 400px;
  background: radial-gradient(ellipse, rgba(61,139,110,.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta h2 {
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.03em;
  margin-bottom: 12px;
  line-height: 1.15;
}

.cta-subtitle {
  font-size: 16px;
  color: rgba(255,255,255,.5);
  margin-bottom: 44px;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 44px;
}

.cta-badges {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
}

.cta-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,.5);
  font-size: 13.5px;
  font-weight: 500;
}

.cta-badge::before {
  content: '✓';
  color: var(--green-accent);
  font-weight: 700;
  font-size: 14px;
}

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  background: var(--green-darker);
  padding: 60px 0 36px;
  border-top: 1px solid rgba(255,255,255,.06);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand .nav-logo {
  margin-bottom: 14px;
}

.footer-tagline {
  font-size: 14px;
  color: rgba(255,255,255,.4);
  line-height: 1.65;
  max-width: 240px;
}

.footer-col-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,.3);
  margin-bottom: 16px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul a {
  font-size: 14px;
  color: rgba(255,255,255,.55);
  transition: color var(--transition);
}
.footer-col ul a:hover { color: var(--white); }

.footer-email {
  font-size: 14px;
  color: rgba(255,255,255,.55);
  transition: color var(--transition);
  display: block;
  margin-bottom: 20px;
}
.footer-email:hover { color: var(--white); }

.footer-lang {
  display: inline-flex;
  background: rgba(255,255,255,.07);
  border-radius: var(--radius-pill);
  padding: 3px;
  gap: 2px;
}

.footer-lang-btn {
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,.4);
  transition: all var(--transition);
}
.footer-lang-btn.active {
  background: rgba(255,255,255,.12);
  color: var(--white);
}
.footer-lang-btn:hover:not(.active) { color: rgba(255,255,255,.7); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.06);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copyright {
  font-size: 13px;
  color: rgba(255,255,255,.3);
}

.footer-domain {
  font-size: 13px;
  color: rgba(255,255,255,.3);
}

/* ============================================================
   INNER PAGES (Terms / Privacy)
   ============================================================ */
.page-hero {
  background: var(--green-dark);
  padding: 120px 0 60px;
  text-align: center;
}

.page-hero h1 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.025em;
  margin-bottom: 12px;
}

.page-hero p {
  color: rgba(255,255,255,.5);
  font-size: 15px;
}

.page-content {
  max-width: 760px;
  margin: 0 auto;
  padding: 64px 24px 100px;
}

.lang-section { display: none; }
.lang-section.active { display: block; }

.page-content h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  margin: 40px 0 12px;
  letter-spacing: -0.01em;
}

.page-content h2:first-child { margin-top: 0; }

.page-content p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.8;
  margin-bottom: 14px;
}

.page-content ul {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 14px;
}

.page-content ul li {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.8;
  margin-bottom: 6px;
}

.page-content a {
  color: var(--green-accent);
  text-decoration: underline;
}

.update-date {
  display: inline-block;
  font-size: 13px;
  color: var(--gray-text);
  background: var(--gray-bg);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  margin-bottom: 36px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  /* Navbar */
  .nav-links,
  .btn-nav-download { display: none; }
  .nav-hamburger { display: flex; }

  /* Hero */
  .hero-buttons { flex-direction: column; align-items: flex-start; }
  .btn-download { width: 100%; max-width: 280px; }

  /* Cities */
  .cities-label { display: none; }

  /* Features */
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
  .feature-card { padding: 24px 20px; }

  /* Steps */
  .steps-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .steps-grid::before { display: none; }
  .step {
    display: flex;
    gap: 20px;
    text-align: left;
    padding: 0 0 32px;
    border-left: 2px solid var(--gray-border);
    margin-left: 27px;
    padding-left: 28px;
  }
  .step:last-child { border-left: none; }
  .step-num {
    position: absolute;
    left: -28px;
    margin: 0;
    width: 48px; height: 48px;
    font-size: 15px;
    flex-shrink: 0;
  }
  .step-desc { max-width: none; margin: 0; }

  /* Testimonials */
  .testimonial-card { flex: 0 0 100%; }

  /* CTA */
  .cta-buttons { flex-direction: column; align-items: center; }
  .cta-badges { flex-direction: column; align-items: center; gap: 12px; }

  /* Footer */
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-tagline { max-width: none; }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  /* Features padding */
  .features, .how, .testimonials, .cta { padding: 64px 0; }
}

@media (max-width: 480px) {
  .features-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 36px; }
}

/* ============================================================
   UTILITIES
   ============================================================ */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}