/* ============================================
   FlyWash — Design Tokens
   ============================================ */
:root {
  /* Color — official FlyWash brand palette (Brandsetera identity guide, Apr 2026) */
  --color-primary: #0d4a73;
  --color-primary-light: #1e5fa8;
  --color-primary-dark: #082f4a;
  --color-accent: #20b8c9;
  --color-accent-light: #6fe0ea;
  --color-yellow: #f2d600;
  --color-surface: #ffffff;
  --color-surface-alt: #eef6fa;
  --color-text: #0c1f30;
  --color-text-muted: #4d6478;
  --color-border: #dce7ee;
  --color-success: #1fa669;
  --color-danger: #d64545;

  /* Typography — official brand typeface: Nexa Bold (headings), Nexa Light (body) */
  --font-heading: "Nexa", "Inter", system-ui, sans-serif;
  --font-body: "Nexa Light", "Inter", system-ui, sans-serif;
  --fs-sm: 0.9375rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.375rem;
  --fs-xl: 1.75rem;
  --fs-2xl: 2.25rem;
  --fs-3xl: 3rem;
  --fs-4xl: 3.75rem;

  /* Spacing (8px rhythm) */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4rem;
  --space-7: 6rem;
  --space-8: 8rem;

  /* Layout */
  --container-w: 1200px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-fast: 150ms;
  --dur-base: 250ms;
  --dur-slow: 400ms;

  /* Elevation */
  --shadow-sm: 0 1px 2px rgba(12, 45, 77, 0.06), 0 1px 3px rgba(12, 45, 77, 0.08);
  --shadow-md: 0 8px 24px rgba(12, 45, 77, 0.10);
  --shadow-lg: 0 20px 48px rgba(12, 45, 77, 0.16);

  /* z-index scale */
  --z-header: 100;
  --z-fab: 90;
  --z-nav-mobile: 110;
}

/* ============================================
   Fonts — official brand typeface (Fontfabric Nexa, commercial-use EULA)
   ============================================ */
@font-face {
  font-family: "Nexa";
  src: url("../assets/fonts/Nexa-Bold.otf") format("opentype");
  font-weight: 600 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Nexa Light";
  src: url("../assets/fonts/Nexa-Light.otf") format("opentype");
  font-weight: 300 500;
  font-style: normal;
  font-display: swap;
}

/* ============================================
   Reset
   ============================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-surface);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { font-family: var(--font-heading); line-height: 1.15; margin: 0; font-weight: 600; }
p { margin: 0; }
button { font: inherit; cursor: pointer; }
input, select, textarea { font: inherit; }

.container {
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: var(--space-3);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-2) var(--space-3);
  z-index: 1000;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus {
  left: 0;
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

.text-accent { color: var(--color-accent-light); }
.eyebrow {
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-1);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  border: none;
  border-radius: var(--radius-pill);
  padding: 0.85em 1.6em;
  font-weight: 600;
  font-size: var(--fs-base);
  min-height: 44px;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-lg { padding: 1em 2em; font-size: var(--fs-md); }
.btn-sm { padding: 0.55em 1.1em; font-size: var(--fs-sm); }

.btn-whatsapp {
  background: #25d366;
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-whatsapp:hover { box-shadow: var(--shadow-md); }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary-light); box-shadow: var(--shadow-md); }

.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.5);
}
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,0.08); }

/* ============================================
   Header
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgba(12, 45, 77, 0.0);
  backdrop-filter: none;
  transition: background var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), padding var(--dur-base) var(--ease-out);
  padding-block: var(--space-3);
}
.site-header.is-scrolled {
  background: rgba(12, 45, 77, 0.92);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
  padding-block: var(--space-1);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.brand { display: inline-flex; align-items: center; }
.brand-logo { height: 34px; width: auto; display: block; }
.brand-footer .brand-logo { height: 30px; }

.main-nav ul {
  display: flex;
  gap: var(--space-4);
}
.main-nav a {
  color: rgba(255,255,255,0.88);
  font-weight: 500;
  font-size: var(--fs-sm);
  position: relative;
  padding-block: 0.25rem;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: -2px;
  height: 2px;
  background: var(--color-accent);
  transition: right var(--dur-base) var(--ease-out);
}
.main-nav a:hover::after, .main-nav a:focus-visible::after { right: 0; }

.header-actions { display: flex; align-items: center; gap: var(--space-2); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  padding: 0;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: #fff;
  margin-inline: auto;
  transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-base) var(--ease-out);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================
   Hero
   ============================================ */
.hero {
  position: relative;
  min-height: 92vh;
  min-height: 92dvh;
  display: flex;
  align-items: center;
  margin-top: calc(-1 * (var(--space-3) * 2 + 44px));
  padding-top: calc(var(--space-3) * 2 + 44px + var(--space-7));
  padding-bottom: var(--space-7);
  overflow: hidden;
  background: linear-gradient(160deg, var(--color-primary-dark) 0%, var(--color-primary) 55%, var(--color-primary-light) 100%);
  color: #fff;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 32% center;
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(160deg, rgba(8,47,74,0.88) 0%, rgba(13,74,115,0.82) 55%, rgba(30,95,168,0.7) 100%);
}
.hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(transparent 40%, rgba(8,47,74,0.9));
}

.hero-inner { position: relative; z-index: 1; max-width: 720px; }
.hero h1 { font-size: clamp(2.5rem, 6vw, var(--fs-4xl)); margin-block: var(--space-2) var(--space-3); }
.hero-sub { font-size: var(--fs-md); color: rgba(255,255,255,0.82); max-width: 46ch; margin-bottom: var(--space-4); }
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--space-2); }

.scroll-cue {
  position: absolute;
  bottom: var(--space-3);
  left: 50%;
  transform: translateX(-50%);
  width: 26px; height: 42px;
  border: 2px solid rgba(255,255,255,0.5);
  border-radius: var(--radius-pill);
  z-index: 1;
}
.scroll-cue span {
  display: block;
  width: 4px; height: 8px;
  background: #fff;
  border-radius: 2px;
  margin: 6px auto 0;
  animation: scrollCue 1.8s var(--ease-in-out) infinite;
}
@keyframes scrollCue {
  0% { transform: translateY(0); opacity: 1; }
  70% { transform: translateY(14px); opacity: 0; }
  100% { opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .scroll-cue span { animation: none; }
}

/* ============================================
   Demo promo banner (replaces stats — no completed jobs yet)
   ============================================ */
.demo-banner {
  background: var(--color-surface-alt);
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}
.demo-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.demo-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  background: var(--color-yellow);
  color: var(--color-primary-dark);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--fs-sm);
  letter-spacing: 0.02em;
  padding: 0.4em 0.9em;
  border-radius: var(--radius-pill);
  flex-shrink: 0;
}
.demo-banner-text { flex: 1 1 auto; min-width: 240px; }
.demo-banner-text strong { color: var(--color-primary); }
.demo-banner-text p { color: var(--color-text-muted); font-size: var(--fs-sm); margin-top: 0.15rem; }
.trust-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}
.trust-chips li {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-size: var(--fs-sm);
  color: var(--color-primary);
  font-weight: 500;
}
.trust-chips svg { width: 18px; height: 18px; color: var(--color-accent); flex-shrink: 0; }

/* ============================================
   Sections
   ============================================ */
.section { padding-block: var(--space-7); }
.section-alt { background: var(--color-surface-alt); }
.section h2 { font-size: clamp(1.75rem, 4vw, var(--fs-2xl)); margin-bottom: var(--space-2); max-width: 40ch; }
.section-lead { color: var(--color-text-muted); font-size: var(--fs-md); max-width: 60ch; margin-bottom: var(--space-5); }

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
}
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }
.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px; height: 52px;
  border-radius: var(--radius-sm);
  background: var(--color-surface-alt);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.card-icon svg { width: 26px; height: 26px; }
.card h3 { font-size: var(--fs-lg); margin-bottom: var(--space-1); }
.card p { color: var(--color-text-muted); font-size: var(--fs-sm); }

/* Timeline */
.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  counter-reset: step;
}
.timeline-item {
  position: relative;
  padding-top: var(--space-4);
  border-top: 3px solid var(--color-accent);
}
.timeline-num {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--space-1);
}
.timeline-item h3 { font-size: var(--fs-md); margin-bottom: var(--space-1); }
.timeline-item p { color: var(--color-text-muted); font-size: var(--fs-sm); }

/* Compare */
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}
.compare-col {
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}
.compare-col-flywash {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-lg);
}
.compare-col-trad {
  background: var(--color-surface-alt);
  color: var(--color-text);
}
.compare-col h3 { margin-bottom: var(--space-3); font-size: var(--fs-lg); }
.compare-col li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  padding-block: 0.55rem;
  font-size: var(--fs-sm);
  border-top: 1px solid rgba(128,128,128,0.15);
}
.compare-col li:first-child { border-top: none; }
.ic-check { width: 20px; height: 20px; flex-shrink: 0; color: var(--color-accent-light); }
.compare-col-trad .ic-x { width: 20px; height: 20px; flex-shrink: 0; color: var(--color-danger); }

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 160px;
  gap: var(--space-2);
}
.gallery-item {
  --tint: 205;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, hsl(var(--tint) 55% 22%), hsl(var(--tint) 65% 38%));
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  transition: transform var(--dur-base) var(--ease-out);
}
.gallery-item:hover { transform: scale(1.02); }
.gallery-item span {
  color: #fff;
  font-size: var(--fs-sm);
  font-weight: 600;
  padding: var(--space-2);
  background: linear-gradient(transparent, rgba(0,0,0,0.45));
  width: 100%;
}
.gallery-item-lg { grid-row: span 2; grid-column: span 2; }
@media (max-width: 900px) { .gallery-item-lg { grid-column: span 2; } }

.gallery-item-media {
  background-size: cover;
  background-position: center;
}
.gallery-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(8,47,74,0.25);
  border: none;
  padding: 0;
  cursor: pointer;
}
.gallery-play-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(255,255,255,0.92);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--dur-fast) var(--ease-out);
}
.gallery-item:hover .gallery-play-icon { transform: scale(1.08); }
.gallery-item video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Cobertura */
.cobertura-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-5);
  align-items: center;
}
.zone-chips { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.zone-chips li {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-primary);
}
.cobertura-visual {
  background: var(--color-surface-alt);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

/* CTA final */
.cta-final {
  background: radial-gradient(circle at 30% 20%, var(--color-primary-light), var(--color-primary-dark));
  color: #fff;
  text-align: center;
  padding-block: var(--space-7);
}
.cta-final-inner h2 { font-size: clamp(1.75rem, 4vw, var(--fs-2xl)); margin-bottom: var(--space-1); }
.cta-final-inner p { color: rgba(255,255,255,0.8); margin-bottom: var(--space-4); }

/* Contact */
.contacto-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-6);
}
.contact-list li {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding-block: var(--space-2);
  border-top: 1px solid var(--color-border);
}
.contact-list li:first-child { border-top: none; }
.contact-label { font-size: var(--fs-sm); color: var(--color-text-muted); }
.contact-list a { font-weight: 600; color: var(--color-primary); }
.contact-list a:hover { color: var(--color-accent); }

.contact-form {
  background: var(--color-surface-alt);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: grid;
  gap: var(--space-2);
}
.field { display: grid; gap: 0.35rem; }
.field label { font-size: var(--fs-sm); font-weight: 600; color: var(--color-text); }
.field input, .field select, .field textarea {
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.75em 1em;
  min-height: 44px;
  background: #fff;
  color: var(--color-text);
  transition: border-color var(--dur-fast) var(--ease-out);
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--color-accent);
}
.field textarea { min-height: 100px; resize: vertical; }
.field-status { min-height: 1.2em; font-size: var(--fs-sm); color: var(--color-success); }

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.75);
  padding-block: var(--space-5);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}
.brand-footer { color: #fff; }
.footer-nav { display: flex; gap: var(--space-3); }
.footer-nav a:hover { color: var(--color-accent-light); }
.footer-copy { font-size: var(--fs-sm); width: 100%; text-align: center; margin-top: var(--space-3); color: rgba(255,255,255,0.5); }

/* WhatsApp FAB */
.whatsapp-fab {
  position: fixed;
  right: var(--space-3);
  bottom: calc(var(--space-3) + env(safe-area-inset-bottom, 0px));
  z-index: var(--z-fab);
  width: 58px; height: 58px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: transform var(--dur-fast) var(--ease-out);
}
.whatsapp-fab:hover { transform: scale(1.08); }

/* ============================================
   Scroll reveal (JS toggles .is-visible)
   ============================================ */
.reveal-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}
.reveal-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal-up { opacity: 1; transform: none; transition: none; }
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .card-grid, .timeline { grid-template-columns: repeat(2, 1fr); }
  .cobertura-grid { grid-template-columns: 1fr; }
  .cobertura-visual { order: -1; max-width: 360px; margin-inline: auto; }
}

@media (max-width: 860px) {
  .main-nav {
    position: fixed;
    inset: 0 0 0 30%;
    background: var(--color-primary-dark);
    z-index: var(--z-nav-mobile);
    padding: calc(var(--space-3) * 2 + 44px) var(--space-3) var(--space-3);
    transform: translateX(100%);
    transition: transform var(--dur-base) var(--ease-out);
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: var(--space-3); }
  .main-nav a { font-size: var(--fs-md); }
  .nav-toggle { display: flex; }
  .header-actions .btn-sm span { display: none; }
  .header-actions .btn-sm { padding: 0.7em; }

  .demo-banner-inner { flex-direction: column; align-items: flex-start; }
  .demo-banner-text { min-width: 0; }
  .compare { grid-template-columns: 1fr; }
  .contacto-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-item-lg { grid-column: span 2; grid-row: span 1; }
}

@media (max-width: 560px) {
  .card-grid, .timeline { grid-template-columns: 1fr; }
  .hero { min-height: 100dvh; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item-lg { grid-column: span 1; }
  .footer-inner { justify-content: center; text-align: center; }
}