/* ================================================================
   Revelhi.cl — Main Styles
   Efectos: Parallax · Scroll Reveal · Micro-interacciones · Transitions
   ================================================================ */

/* ─── Variables & Tokens ──────────────────────────────────────── */
:root {
  --primary:           #825500;
  --primary-dim:       #dc9f44;
  --primary-light:     #ffddb3;
  --secondary:         #4b6076;
  --surface:           #f7f9ff;
  --on-surface:        #091d2e;
  --inverse-surface:   #203243;
  --transition-base:   300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 600ms cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-primary:    0 20px 60px rgba(130, 85, 0, 0.15);
  --shadow-soft:       0 10px 40px rgba(9, 29, 46, 0.08);
}

/* ─── Reset & Base ────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  color: var(--on-surface);
  background: var(--surface);
  overflow-x: hidden;
}

/* ─── Page Transition ─────────────────────────────────────────── */
.page-transition {
  animation: pageFadeIn 0.5s ease forwards;
}

@keyframes pageFadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Navigation ──────────────────────────────────────────────── */
.glass-nav {
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  background: rgba(9, 29, 46, 0.85);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--transition-base);
}

.glass-nav.scrolled {
  background: rgba(9, 29, 46, 0.97);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

.nav-link {
  position: relative;
  color: rgba(255,255,255,0.75);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color var(--transition-base);
  padding-bottom: 4px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--primary-dim));
  border-radius: 2px;
  transition: width var(--transition-smooth);
}

.nav-link:hover,
.nav-link.active {
  color: #fff;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* ─── Hero / Parallax ─────────────────────────────────────────── */
.hero-section {
  position: relative;
  overflow: hidden;
  min-height: 100vh;
}

.hero-bg {
  position: absolute;
  inset: -8%;
  width: 116%; height: 116%;
  background-size: cover;
  background-position: center 30%;
  will-change: transform;
  transition: transform 0.1s linear;
}

.hero-bg-mobile { display: none; }

@media (max-width: 768px) {
  .hero-bg-desktop { display: none; }
  .hero-bg-mobile {
    display: block;
    inset: 0;
    width: 100%; height: 100%;
    background-size: cover;
    background-position: center center;
  }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(9, 29, 46, 0.88) 0%,
    rgba(9, 29, 46, 0.55) 50%,
    rgba(9, 29, 46, 0.25) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
}

/* ─── Gradient Text ───────────────────────────────────────────── */
.gradient-text {
  background: linear-gradient(135deg, var(--primary-dim) 0%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─── Signature Gradient ──────────────────────────────────────── */
.signature-gradient {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dim) 100%);
}

.signature-gradient:hover {
  background: linear-gradient(135deg, var(--primary-dim) 0%, var(--primary-light) 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-primary);
}

/* ─── Buttons ─────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dim) 100%);
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  border-radius: 0.5rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.15);
  transform: translateX(-100%) skewX(-15deg);
  transition: transform 0.4s ease;
}

.btn-primary:hover::before { transform: translateX(200%) skewX(-15deg); }
.btn-primary:hover { box-shadow: var(--shadow-primary); transform: translateY(-2px); }
.btn-primary:active { transform: translateY(0); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  background: transparent;
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  border: 1.5px solid rgba(255,255,255,0.4);
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.8);
  transform: translateY(-2px);
}

/* ─── Cards ───────────────────────────────────────────────────── */
.card {
  background: #fff;
  border-radius: 1.25rem;
  border: 1px solid rgba(9, 29, 46, 0.06);
  box-shadow: var(--shadow-soft);
  transition: all var(--transition-smooth);
  overflow: hidden;
}

.card:hover {
  box-shadow: 0 20px 60px rgba(9, 29, 46, 0.12);
  transform: translateY(-4px);
  border-color: rgba(130, 85, 0, 0.15);
}

.card-service {
  position: relative;
  overflow: hidden;
}

.card-service::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-dim));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-smooth);
}

.card-service:hover::after { transform: scaleX(1); }

/* ─── Glass Panel ─────────────────────────────────────────────── */
.glass-panel {
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 1.25rem;
}

/* ─── Scroll Reveal Animations ────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* Delay variants */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }
.delay-500 { transition-delay: 0.5s; }
.delay-600 { transition-delay: 0.6s; }

/* ─── Counter Animation ───────────────────────────────────────── */
.counter {
  display: inline-block;
  font-variant-numeric: tabular-nums;
}

/* ─── Marquee ─────────────────────────────────────────────────── */
.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 28s linear infinite;
}

.marquee-track:hover { animation-play-state: paused; }

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ─── Section Badge ───────────────────────────────────────────── */
.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 1rem;
  background: rgba(130, 85, 0, 0.1);
  border: 1px solid rgba(130, 85, 0, 0.2);
  border-radius: 9999px;
  color: var(--primary-dim);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ─── Divider ─────────────────────────────────────────────────── */
.divider-gradient {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(130,85,0,0.3), transparent);
}

/* ─── Process Steps ───────────────────────────────────────────── */
.process-step {
  position: relative;
  padding-left: 2rem;
}

.process-step::before {
  content: '';
  position: absolute;
  left: 0; top: 1.5rem; bottom: -1.5rem;
  width: 1px;
  background: linear-gradient(to bottom, var(--primary-dim), transparent);
}

.process-step:last-child::before { display: none; }

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem; height: 2.5rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-dim));
  color: #fff;
  font-weight: 700;
  font-size: 0.875rem;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ─── Feature Icons ───────────────────────────────────────────── */
.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem; height: 3rem;
  background: linear-gradient(135deg, rgba(130,85,0,0.12) 0%, rgba(220,159,68,0.08) 100%);
  border-radius: 0.75rem;
  color: var(--primary-dim);
  transition: all var(--transition-base);
}

.feature-icon:hover {
  background: linear-gradient(135deg, var(--primary), var(--primary-dim));
  color: #fff;
  transform: scale(1.1) rotate(-3deg);
}

/* ─── Contact Form ────────────────────────────────────────────── */
.form-input {
  width: 100%;
  background: rgba(9, 29, 46, 0.04);
  border: 1.5px solid rgba(9, 29, 46, 0.12);
  border-radius: 0.75rem;
  padding: 0.875rem 1.25rem;
  color: var(--on-surface);
  font-size: 0.9rem;
  transition: all var(--transition-base);
  outline: none;
}

.form-input:focus {
  border-color: var(--primary-dim);
  background: rgba(220, 159, 68, 0.04);
  box-shadow: 0 0 0 3px rgba(220, 159, 68, 0.15);
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: 0.5rem;
}

/* ─── Footer ──────────────────────────────────────────────────── */
.footer-bg {
  background: var(--inverse-surface);
  color: rgba(255,255,255,0.75);
}

.footer-link {
  color: rgba(255,255,255,0.6);
  transition: color var(--transition-base);
  font-size: 0.875rem;
}

.footer-link:hover { color: var(--primary-dim); }

/* ─── Ambient Shadow ──────────────────────────────────────────── */
.ambient-shadow {
  box-shadow: 0 10px 40px rgba(130, 85, 0, 0.08);
}

/* ─── Bento Grid ──────────────────────────────────────────────── */
.bento-item {
  transition: all var(--transition-smooth);
}

.bento-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 25px 70px rgba(9, 29, 46, 0.15);
}

/* ─── Highlight Bar ───────────────────────────────────────────── */
.highlight-bar {
  display: inline-block;
  width: 3rem; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-dim));
  border-radius: 2px;
  margin-bottom: 0.75rem;
}

/* ─── Responsive Helpers ──────────────────────────────────────── */
@media (max-width: 768px) {
  .hero-section { min-height: 85vh; }
  .glass-nav { padding-left: 1rem; padding-right: 1rem; }
}

/* ─── Scrollbar ───────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #f0f4f8; }
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--primary), var(--primary-dim));
  border-radius: 4px;
}

/* ─── Selection ───────────────────────────────────────────────── */
::selection {
  background: rgba(220, 159, 68, 0.25);
  color: var(--on-surface);
}