@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Barlow+Condensed:wght@300;400;600;700&family=Barlow:ital,wght@0,300;0,400;1,300&display=swap');

:root {
  --gold: #D4A843;
  --red: #C0392B;
  --white: #F5F0E8;
  --dark: #080808;
  --mid: #111111;
  --grey: #888;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--dark);
  color: var(--white);
  font-family: 'Barlow', sans-serif;
  overflow-x: hidden;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: #000; }
::-webkit-scrollbar-thumb { background: var(--gold); }

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 3rem;
  background: linear-gradient(to bottom, rgba(0,0,0,0.9), transparent);
  backdrop-filter: blur(4px);
}

.nav-logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.6rem;
  letter-spacing: 4px;
  color: var(--gold);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(245,240,232,0.6);
  text-decoration: none;
  transition: color 0.3s;
}

.nav-links a:hover { color: var(--gold); }

/* ── HERO ── */
.hero {
  height: 100vh;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 0 8vw;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 70% 50%, rgba(192,57,43,0.15) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(212,168,67,0.08) 0%, transparent 50%),
    linear-gradient(135deg, #000 0%, #0d0d0d 50%, #060606 100%);
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 60px,
      rgba(255,255,255,0.015) 60px,
      rgba(255,255,255,0.015) 61px
    );
}

.hero-number {
  position: absolute;
  right: 5vw;
  top: 50%;
  transform: translateY(-50%);
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(200px, 30vw, 420px);
  color: rgba(212,168,67,0.05);
  line-height: 1;
  pointer-events: none;
  user-select: none;
  letter-spacing: -10px;
}

.hero-eyebrow {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.8rem;
  letter-spacing: 6px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.3s forwards;
}

.hero-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(70px, 12vw, 160px);
  line-height: 0.9;
  letter-spacing: 2px;
  position: relative;
  z-index: 1;
  opacity: 0;
  animation: fadeUp 0.8s 0.5s forwards;
}

.hero-title .line-red { color: var(--red); }
.hero-title .line-gold { color: var(--gold); }

.hero-sub {
  margin-top: 2rem;
  max-width: 520px;
  font-size: 1.05rem;
  font-weight: 300;
  line-height: 1.7;
  color: rgba(245,240,232,0.65);
  opacity: 0;
  animation: fadeUp 0.8s 0.7s forwards;
}

.hero-badge {
  margin-top: 3rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.9s forwards;
}

.badge-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.badge-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2.5rem;
  color: var(--gold);
  line-height: 1;
}

.badge-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--grey);
}

.badge-sep {
  width: 1px;
  height: 50px;
  background: rgba(255,255,255,0.15);
}

.scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 8vw;
  display: flex;
  align-items: center;
  gap: 1rem;
  opacity: 0;
  animation: fadeUp 0.8s 1.2s forwards;
}

.scroll-line {
  width: 60px;
  height: 1px;
  background: var(--gold);
  animation: expandLine 1.5s 2s infinite alternate;
}

.scroll-text {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.7rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--grey);
}

/* ── SECTION BASE ── */
section {
  padding: 8rem 8vw;
  position: relative;
}

.section-tag {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.section-tag::before {
  content: '';
  display: block;
  width: 30px;
  height: 1px;
  background: var(--gold);
}

.section-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(48px, 6vw, 90px);
  line-height: 1;
  letter-spacing: 2px;
  margin-bottom: 3rem;
}

/* ── HISTORIA ── */
.historia {
  background: var(--mid);
  border-top: 1px solid rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.historia-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: start;
}

.historia-text p {
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.9;
  color: rgba(245,240,232,0.7);
  margin-bottom: 1.5rem;
}

.historia-text p strong {
  color: var(--gold);
  font-weight: 600;
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.timeline-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1.5rem;
  padding: 2rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  transition: background 0.3s;
}

.timeline-item:last-child { border-bottom: none; }

.t-year {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem;
  color: var(--gold);
  line-height: 1.1;
}

.t-desc {
  font-size: 0.9rem;
  font-weight: 300;
  line-height: 1.7;
  color: rgba(245,240,232,0.65);
  padding-top: 0.3rem;
}

.t-desc strong {
  color: var(--white);
  font-weight: 600;
  display: block;
  font-size: 1rem;
  margin-bottom: 0.3rem;
}

/* ── CONCEPTOS ── */
.conceptos {
  background: var(--dark);
}

.conceptos-intro {
  max-width: 600px;
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.8;
  color: rgba(245,240,232,0.6);
  margin-bottom: 5rem;
}

.concepto-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
  padding: 5rem 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.concepto-block:last-child { border-bottom: 1px solid rgba(255,255,255,0.06); }

.concepto-block.reverse { direction: rtl; }
.concepto-block.reverse > * { direction: ltr; }

.concepto-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 8rem;
  color: rgba(212,168,67,0.1);
  line-height: 1;
  margin-bottom: -2rem;
}

.concepto-nombre {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(36px, 4vw, 60px);
  line-height: 1;
  margin-bottom: 1.5rem;
  color: var(--white);
}

.concepto-nombre span { color: var(--gold); }

.concepto-desc {
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.9;
  color: rgba(245,240,232,0.65);
  margin-bottom: 1.5rem;
}

.concepto-desc strong { color: var(--gold); }

.concepto-ejemplo {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: rgba(212,168,67,0.06);
  border-left: 3px solid var(--gold);
  padding: 1.2rem 1.5rem;
  border-radius: 0 6px 6px 0;
  margin-top: 1rem;
}

.ej-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.ej-text {
  font-size: 0.88rem;
  font-style: italic;
  color: rgba(245,240,232,0.7);
  line-height: 1.7;
}

.ej-text strong {
  font-style: normal;
  color: var(--gold);
  font-size: 0.78rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.3rem;
}

.concepto-visual {
  position: relative;
  aspect-ratio: 4/3;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.concepto-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(212,168,67,0.07), transparent 70%);
}

.visual-icon {
  font-size: 4rem;
  opacity: 0.6;
  position: relative;
}

.visual-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--grey);
  text-align: center;
  padding: 0 2rem;
  position: relative;
}

.vis-svg {
  width: 80%;
  height: 70%;
  position: relative;
}

/* ── DATO FREAK ── */
.dato-freak {
  background: var(--red);
  padding: 4rem 8vw;
  position: relative;
  overflow: hidden;
}

.dato-freak::before {
  content: 'DATO FREAK';
  position: absolute;
  right: -2rem;
  top: 50%;
  transform: translateY(-50%) rotate(90deg);
  font-family: 'Bebas Neue', sans-serif;
  font-size: 8rem;
  color: rgba(0,0,0,0.2);
  letter-spacing: 10px;
  pointer-events: none;
}

.freak-inner {
  display: flex;
  align-items: center;
  gap: 4rem;
}

.freak-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 6rem;
  color: #fff;
  line-height: 1;
  flex-shrink: 0;
}

.freak-text {
  font-size: 1.1rem;
  font-weight: 300;
  line-height: 1.8;
  color: rgba(255,255,255,0.85);
}

.freak-text strong { font-weight: 700; color: #fff; }

/* ── VIDEO SECTION ── */
.video-section {
  background: var(--mid);
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.video-wrapper {
  margin: 0 auto;
  max-width: 900px;
  aspect-ratio: 16/9;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  overflow: hidden;
  position: relative;
}

.video-wrapper::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(192,57,43,0.1), transparent 70%);
}

.video-placeholder-icon { font-size: 5rem; opacity: 0.5; }

.video-placeholder-text {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--grey);
}

/* ── DATOS EXTRA ── */
.datos-extra {
  background: var(--dark);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  margin-top: 3rem;
  border: 2px solid rgba(255,255,255,0.06);
}

.stat-card {
  background: rgba(255,255,255,0.02);
  padding: 3rem 2rem;
  border: 1px solid rgba(255,255,255,0.04);
  text-align: center;
  transition: background 0.3s;
}

.stat-card:hover { background: rgba(212,168,67,0.05); }

.stat-val {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 3.5rem;
  color: var(--gold);
  line-height: 1;
  display: block;
}

.stat-unit {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.2rem;
  color: var(--red);
}

.stat-lbl {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--grey);
  margin-top: 0.5rem;
  display: block;
  line-height: 1.5;
}

/* ── FREAK FACTS ── */
.freak-facts {
  background: var(--mid);
  padding: 6rem 8vw;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.facts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.fact-card {
  padding: 2.5rem;
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s;
}

.fact-card:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
}

.fact-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.fact-emoji { font-size: 2.5rem; margin-bottom: 1rem; display: block; }

.fact-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 0.8rem;
}

.fact-desc {
  font-size: 0.88rem;
  font-weight: 300;
  line-height: 1.7;
  color: rgba(245,240,232,0.6);
}

/* ── CIERRE ── */
.cierre {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8rem 8vw;
  background: #000;
  position: relative;
  overflow: hidden;
}

.cierre::before {
  content: 'SIUUU';
  position: absolute;
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(100px, 20vw, 250px);
  color: rgba(212,168,67,0.03);
  letter-spacing: 20px;
  pointer-events: none;
}

.cierre-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(50px, 8vw, 110px);
  line-height: 1;
  letter-spacing: 3px;
  color: var(--gold);
  position: relative;
}

.cierre-sub {
  font-size: 1rem;
  font-weight: 300;
  color: var(--grey);
  margin-top: 1.5rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  font-family: 'Barlow Condensed', sans-serif;
  position: relative;
}

.cierre-line {
  width: 1px;
  height: 80px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  margin: 2.5rem auto 0;
  position: relative;
}

/* ── FOOTER ── */
footer {
  padding: 2rem 8vw;
  background: #000;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.2rem;
  letter-spacing: 4px;
  color: rgba(255,255,255,0.2);
}

.footer-credit {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.2);
}

/* ── TRAJECTORY WRAP ── */
.trajectory-wrap {
  width: 100%;
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.4);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 8px;
  overflow: hidden;
  position: relative;
}

.trajectory-wrap svg {
  width: 90%;
  height: 90%;
}

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes expandLine {
  from { width: 40px; }
  to { width: 80px; }
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { display: none; }
  section { padding: 5rem 5vw; }
  .historia-grid,
  .concepto-block,
  .concepto-block.reverse { grid-template-columns: 1fr; gap: 3rem; direction: ltr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .facts-grid { grid-template-columns: 1fr; }
  .freak-inner { flex-direction: column; gap: 1.5rem; text-align: center; }
  footer { flex-direction: column; gap: 1rem; text-align: center; }
}