/* =========================================================
   TAXI BUCARAMANGA PREMIUM — Estilos
   Paleta: negro profundo / blanco puro / plata + azul metálico oscuro
   ========================================================= */

:root {
  --black: #0b0b0d;
  --black-soft: #16171a;
  --white: #ffffff;
  --off-white: #f7f7f8;
  --silver: #c7c9cc;
  --silver-line: #e3e4e6;
  --metal-blue: #1c2b3a;
  --metal-blue-light: #2c4256;
  --text-muted: #6c6e73;

  --font-display: 'Poppins', sans-serif;
  --font-body: 'Montserrat', sans-serif;

  --container: 1180px;
  --radius: 2px;
  --transition: 0.35s cubic-bezier(.4,0,.2,1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--black);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

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

ul { list-style: none; margin: 0; padding: 0; }

.section-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 96px 32px;
}

h1, h2, h3, .logo-text {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.01em;
  margin: 0;
}

.section-eyebrow {
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--metal-blue-light);
  font-weight: 600;
  margin: 0 0 14px;
}

.section-eyebrow--light { color: var(--silver); }

h2 { font-size: clamp(28px, 4vw, 42px); color: var(--black); margin-bottom: 18px; }
.section-title--light { color: var(--white); }

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--metal-blue-light);
  outline-offset: 3px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}

/* ===================== HEADER ===================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(11,11,13,0.72);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
}

.logo-mark {
  width: 34px; height: 34px;
  border: 1px solid var(--silver);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--white);
  flex-shrink: 0;
}

.logo-text {
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--silver);
}
.logo-text strong { color: var(--white); font-weight: 700; }

.main-nav { display: flex; gap: 40px; }

.main-nav a {
  color: var(--silver);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
  position: relative;
  padding-bottom: 4px;
  transition: color var(--transition);
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--white);
  transition: width var(--transition);
}

.main-nav a:hover { color: var(--white); }
.main-nav a:hover::after { width: 100%; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 22px; height: 1.5px;
  background: var(--white);
}

/* ===================== BUTTONS ===================== */
.btn {
  display: inline-block;
  padding: 15px 34px;
  font-family: var(--font-body);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}

.btn-primary {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}
.btn-primary:hover {
  background: var(--metal-blue);
  color: var(--white);
  border-color: var(--metal-blue);
  transform: translateY(-2px);
}

.btn-block { width: 100%; text-align: center; }

/* ===================== HERO ===================== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 560px;
  overflow: hidden;
  background: var(--black);
}

.hero-track { position: relative; width: 100%; height: 100%; }

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1.1s ease;
}

.hero-slide.is-active {
  opacity: 1;
  visibility: visible;
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(15%) contrast(1.05);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11,11,13,0.55) 0%, rgba(11,11,13,0.25) 40%, rgba(11,11,13,0.85) 100%);
}

.hero-overlay--night {
  background: linear-gradient(180deg, rgba(11,11,13,0.75) 0%, rgba(11,11,13,0.45) 40%, rgba(11,11,13,0.92) 100%);
}

.hero-copy {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 0 32px 100px;
  max-width: var(--container);
  margin: 0 auto;
  color: var(--white);
}

.hero-eyebrow {
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--silver);
  margin: 0 0 16px;
  font-weight: 600;
}

.hero-copy h1 {
  font-size: clamp(30px, 5vw, 54px);
  color: var(--white);
  max-width: 720px;
  line-height: 1.15;
  margin-bottom: 16px;
}

.hero-sub {
  font-size: 16px;
  color: var(--silver);
  max-width: 480px;
  margin: 0 0 32px;
  font-weight: 400;
}

.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.35);
  background: rgba(11,11,13,0.35);
  color: var(--white);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), border-color var(--transition);
  z-index: 5;
}
.hero-arrow:hover { background: var(--metal-blue); border-color: var(--metal-blue); }
.hero-arrow--prev { left: 24px; }
.hero-arrow--next { right: 24px; }

.hero-dots {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 5;
}

.hero-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  padding: 0;
}
.hero-dot.is-active {
  background: var(--white);
  transform: scale(1.2);
}

/* ===================== FLEET ===================== */
.fleet { background: var(--white); }

.fleet-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}

.fleet-image {
  border: 1px solid var(--silver-line);
  overflow: hidden;
}

.fleet-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.fleet-image:hover img { transform: scale(1.04); }

.fleet-copy p {
  color: var(--text-muted);
  line-height: 1.7;
  font-size: 15px;
}

.fleet-features {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.fleet-features li {
  position: relative;
  padding-left: 26px;
  font-size: 14.5px;
  color: var(--black);
  font-weight: 500;
}

.fleet-features li::before {
  content: '';
  position: absolute;
  left: 0; top: 7px;
  width: 12px; height: 1px;
  background: var(--metal-blue-light);
}

/* ===================== DESTINATIONS ===================== */
.destinations { background: var(--black); }

.destinations-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.1);
}

.dest-card {
  background: var(--black-soft);
  padding: 40px 28px;
  transition: background var(--transition);
}

.dest-card:hover { background: #1d1e22; }

.dest-icon {
  font-size: 22px;
  margin-bottom: 22px;
  color: var(--silver);
}

.dest-card h3 {
  color: var(--white);
  font-size: 18px;
  margin-bottom: 12px;
}

.dest-card p {
  color: var(--text-muted);
  font-size: 13.5px;
  line-height: 1.65;
  margin: 0;
}

/* ===================== BOOKING ===================== */
.booking { background: var(--off-white); }

.booking-inner { max-width: 620px; text-align: center; }

.booking-sub {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 40px;
}

.booking-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-align: left;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-row:has(input[type="datetime-local"]) {
  grid-template-columns: 1fr;
}

.booking-form input {
  width: 100%;
  padding: 15px 16px;
  border: 1px solid var(--silver-line);
  background: var(--white);
  font-family: var(--font-body);
  font-size: 14px;
  border-radius: var(--radius);
  color: var(--black);
  transition: border-color var(--transition);
}

.booking-form input:focus {
  border-color: var(--metal-blue);
  outline: none;
}

.booking-form .btn { margin-top: 10px; }

.form-note {
  text-align: center;
  font-size: 13px;
  color: var(--metal-blue);
  min-height: 18px;
  margin: 4px 0 0;
  font-weight: 600;
}

/* ===================== FOOTER ===================== */
.site-footer {
  background: var(--black);
  color: var(--silver);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.logo--footer { margin-bottom: 18px; }

.footer-tag {
  color: var(--text-muted);
  font-size: 13.5px;
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h4 {
  color: var(--white);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 18px;
  font-weight: 600;
}

.footer-col p, .footer-col a {
  display: block;
  color: var(--text-muted);
  font-size: 13.5px;
  margin-bottom: 10px;
  transition: color var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px 32px;
  text-align: center;
}

.footer-bottom p {
  margin: 0;
  font-size: 12.5px;
  color: var(--text-muted);
  max-width: var(--container);
  margin: 0 auto;
}

/* ===================== WHATSAPP FLOTANTE ===================== */
.whatsapp-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #1e2a23;
  border: 1px solid rgba(255,255,255,0.15);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0,0,0,0.35);
  z-index: 200;
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
}

.whatsapp-float:hover {
  background: #25d366;
  color: #0b0b0d;
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 12px 28px rgba(37,211,102,0.35);
}

.whatsapp-float:focus-visible {
  outline: 2px solid var(--white);
  outline-offset: 3px;
}

@media (max-width: 720px) {
  .whatsapp-float {
    right: 16px;
    bottom: 16px;
    width: 52px;
    height: 52px;
  }
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 900px) {
  .fleet-grid { grid-template-columns: 1fr; gap: 40px; }
  .destinations-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .main-nav {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--black);
    flex-direction: column;
    padding: 24px 32px;
    gap: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    display: none;
  }
  .main-nav.is-open { display: flex; }
  .nav-toggle { display: flex; }

  .hero-copy { padding-bottom: 80px; }
  .hero-arrow { width: 40px; height: 40px; font-size: 20px; }

  .destinations-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .form-row { grid-template-columns: 1fr; }
  .section-inner { padding: 72px 24px; }
}