/* ============================================================
   SERVICE TRUCK DUITAMA — Variables y Reset
   ============================================================ */

:root {
  /* Colores principales */
  --black: #0a0a0a;
  --steel-dark: #1a1f26;
  --steel: #232b35;
  --steel-mid: #2a3340;
  --yellow: #f5c518;
  --yellow-dim: #e6b800;
  --orange: #e8670a;
  --white: #f0ede8;
  --gray: #8a9099;
  --light: #c8cdd4;

  /* Tipografía */
  --font-display: "Barlow Condensed", sans-serif;
  --font-body: "Barlow", sans-serif;

  /* Espaciado */
  --section-padding: 7rem 4vw;
  --container-max: 1280px;

  /* Bordes y radios */
  --border-accent: 1px solid rgba(245, 197, 24, 0.15);
  --clip-btn: polygon(10px 0%, 100% 0%, calc(100% - 10px) 100%, 0% 100%);
  --clip-icon: polygon(6px 0%, 100% 0%, calc(100% - 6px) 100%, 0% 100%);

  /* Sombras */
  --shadow-yellow: 0 4px 24px rgba(245, 197, 24, 0.18);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);

  /* Transiciones */
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul,
ol {
  list-style: none;
}

button,
input,
select,
textarea {
  font-family: inherit;
}

/* ── UTILIDADES ── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 4vw;
}

.section-tag {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 1rem;
  display: block;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 900;
  line-height: 1;
  text-transform: uppercase;
  margin-bottom: 2.5rem;
}

.section-title em {
  font-style: normal;
  color: var(--yellow);
}

/* ── BOTONES ── */
.btn-primary {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.95rem;
  padding: 0.9rem 2.2rem;
  background: var(--yellow);
  color: var(--black);
  clip-path: var(--clip-btn);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition:
    background var(--transition),
    transform var(--transition);
}

.btn-primary:hover {
  background: var(--orange);
  transform: translateY(-2px);
}

.btn-secondary {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.95rem;
  padding: 0.9rem 2.2rem;
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(240, 237, 232, 0.3);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  transition:
    border-color var(--transition),
    color var(--transition);
}

.btn-secondary:hover {
  border-color: var(--yellow);
  color: var(--yellow);
}

/* ── RESPONSIVE VARIABLES ── */
@media (max-width: 820px) {
  :root {
    --section-padding: 4rem 4vw;
  }
}

/* ── REVEAL SCROLL ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.7s ease,
    transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── ODÓMETRO 3D PARA STATS ── */
.odometer {
  display: inline-flex;
  align-items: baseline;
  line-height: 1;
}

.odometer-static {
  display: inline-block;
}

.odometer-digit {
  display: inline-block;
  overflow: hidden;
  height: 1em;
  vertical-align: top;
  position: relative;
  perspective: 200px;
}

.odometer-roll {
  display: flex;
  flex-direction: column;
  transform: translateY(0);
  transition: transform 1.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.odometer-num {
  display: block;
  height: 1em;
  line-height: 1;
}

/* ── PERSPECTIVE 3D EN CONTENEDORES ── */
.valores-grid,
.mv-grid,
.process-steps {
  perspective: 1200px;
  perspective-origin: center center;
}

/* Los service cards tienen su propia perspective definida en sections.css
   para que el flip funcione correctamente sin conflictos */

/* Evitar que .reveal aplique rotateX a las service-cards (rompe el flip) */
.service-card.reveal {
  transform: translateY(28px);
}
.service-card.reveal.visible {
  transform: translateY(0);
}

/* Hero con depth */
#hero {
  perspective: 1500px;
  transform-style: preserve-3d;
}

.hero-bg-radial,
.hero-grid,
.hero-title,
.hero-sub,
.hero-stats {
  will-change: transform;
}

/* Cards con sombra dinámica para realzar el tilt */
.service-card,
.valor-card,
.mv-card,
.process-step {
  will-change: transform, box-shadow;
}

.service-card:hover,
.valor-card:hover,
.mv-card:hover {
  box-shadow:
    0 20px 40px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(245, 197, 24, 0.1);
}