/* ================================================================
   CARHUB MOTORS — DESIGN SYSTEM GLOBAL
   Sistema de diseño compartido por todas las páginas.
   Mobile-First | Fuentes: Montserrat / Oswald / Outfit
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100;0,200;0,300;0,400;0,700;0,900;1,200&family=Oswald:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600&display=swap');

/* ── CSS Custom Properties ── */
:root {
  --bg:            #050505;
  --bg-2:          #0a0a0a;
  --bg-3:          #111;
  --text:          #ffffff;
  --text-muted:    #888888;
  --text-dim:      #444444;
  --border:        rgba(255,255,255,0.08);
  --border-bright: rgba(255,255,255,0.18);
  --accent:        #ffffff;
  --accent-warm:   #c8a96e;
  --accent-glow:   rgba(200,169,110,0.25);
  --glass-bg:      rgba(255,255,255,0.04);
  --glass-bg-2:    rgba(255,255,255,0.07);
  --glass-border:  rgba(255,255,255,0.10);
  --glow:          rgba(255,255,255,0.12);
  --font-heading:  'Montserrat', sans-serif;
  --font-cars:     'Oswald', sans-serif;
  --font-ui:       'Outfit', sans-serif;
  --section-pad:   80px 20px;
  --container-max: 1400px;
  --ease-smooth:   cubic-bezier(0.25,0.8,0.25,1);
  --ease-spring:   cubic-bezier(0.16,1,0.3,1);
  --ease-expo:     cubic-bezier(0.87,0,0.13,1);
}

/* ── Reset ── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body {
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, video { max-width:100%; display:block; }
a { text-decoration:none; color:inherit; }
button { cursor:pointer; border:none; background:none; font-family:var(--font-ui); }
ul, ol { list-style:none; }

/* ── Typography Base ── */
h1,h2,h3,h4,h5 { font-family:var(--font-heading); font-weight:200; line-height:1.1; }
p { font-family:var(--font-ui); font-weight:300; line-height:1.75; }

/* ── Section Layout ── */
.ch-section {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--section-pad);
}

/* ── Eyebrow + Title + Desc ── */
.section-eyebrow {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 14px;
}
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem,4vw,3rem);
  font-weight: 200;
  letter-spacing: 8px;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 50px;
}
.section-title--center { text-align:center; }
.section-desc {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.8;
  font-weight: 300;
  max-width: 680px;
  margin-bottom: 50px;
}
.section-desc--center { text-align:center; margin:0 auto 50px; }

/* ── Shared Buttons ── */
.btn-primary {
  display: inline-flex; align-items:center; justify-content:center; gap:8px;
  min-height: 48px;
  padding: 14px 38px;
  background: var(--accent);
  color: #000;
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: 0.8rem;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  border: 1px solid var(--accent);
  transition: all 0.4s var(--ease-smooth);
}
.btn-primary:hover {
  background: transparent;
  color: var(--accent);
  box-shadow: 0 0 24px rgba(255,255,255,0.15);
}
.btn-secondary {
  display: inline-flex; align-items:center; justify-content:center; gap:8px;
  min-height: 48px;
  padding: 14px 38px;
  background: transparent;
  color: var(--text);
  font-family: var(--font-ui);
  font-weight: 400;
  font-size: 0.8rem;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  border: 1px solid var(--border-bright);
  transition: all 0.4s var(--ease-smooth);
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 20px rgba(255,255,255,0.1);
}

/* ── Glassmorphism Card ── */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}
.glass-card:hover {
  background: var(--glass-bg-2);
  border-color: var(--border-bright);
  box-shadow: 0 0 36px rgba(255,255,255,0.07), inset 0 0 40px rgba(255,255,255,0.02);
}

/* ── Scroll Reveal (Progressive Enhancement) ── */
/* Elements are VISIBLE by default. JS adds .js-anims to body
   to opt-in to hiding them. This prevents blank screens. */
.js-anims .reveal {
  opacity:0;
  transform:translateY(36px);
  transition: opacity 0.8s var(--ease-spring), transform 0.8s var(--ease-spring);
}
.js-anims .reveal.visible { opacity:1; transform:translateY(0); }
.js-anims .reveal-left { opacity:0; transform:translateX(-36px); transition: opacity 0.8s var(--ease-spring), transform 0.8s var(--ease-spring); }
.js-anims .reveal-left.visible { opacity:1; transform:translateX(0); }
.js-anims .reveal-right { opacity:0; transform:translateX(36px); transition: opacity 0.8s var(--ease-spring), transform 0.8s var(--ease-spring); }
.js-anims .reveal-right.visible { opacity:1; transform:translateX(0); }
.delay-1 { transition-delay:0.12s; }
.delay-2 { transition-delay:0.24s; }
.delay-3 { transition-delay:0.36s; }
.delay-4 { transition-delay:0.48s; }

/* ── Keyframes ── */
@keyframes fadeInUp { from{opacity:0;transform:translateY(28px)} to{opacity:1;transform:translateY(0)} }
@keyframes fadeIn   { from{opacity:0} to{opacity:1} }
@keyframes float    { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)} }
@keyframes scrollPulse {
  0%   { transform:scaleY(0); transform-origin:top; opacity:1; }
  50%  { transform:scaleY(1); transform-origin:top; opacity:1; }
  51%  { transform:scaleY(1); transform-origin:bottom; }
  100% { transform:scaleY(0); transform-origin:bottom; opacity:0; }
}
@keyframes pulseGlow {
  0%,100%{ box-shadow:0 0 8px var(--glow); }
  50%    { box-shadow:0 0 28px var(--glow), 0 0 50px rgba(255,255,255,0.04); }
}
@keyframes tickPop { 0%{transform:scale(0) rotate(-20deg)} 70%{transform:scale(1.15) rotate(5deg)} 100%{transform:scale(1) rotate(0)} }

/* ── Divider ── */
.ch-line { display:block; width:40px; height:1px; background:var(--border-bright); margin:20px 0; }
.ch-line--center { margin:20px auto; }

/* ── Tablet+ ── */
@media (min-width:768px) {
  :root { --section-pad: 110px 40px; }
}
@media (min-width:1024px) {
  :root { --section-pad: 130px 60px; }
}