:root {
  --bg: #111015;
  --bg-alt: #17161D;
  --bg-card: #1C1B22;
  --bg-footer: #0F0E13;
  --fg: #FFFFFF;
  --fg-muted: #A19FAD;
  --accent: #B8952E;
  --accent-shadow: rgba(184, 149, 46, 0.35);
  --border: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.15);
  --border-subtle: rgba(255, 255, 255, 0.05);
}

* {
  box-sizing: border-box;
  scrollbar-width: thin;
  scrollbar-color: rgba(184, 149, 46, 0.3) #111015;
}

body {
  font-family: 'DM Sans', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Scrollbar Personalizada (Webkit) */
::-webkit-scrollbar {
  width: 10px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #111015;
}

::-webkit-scrollbar-thumb {
  background: rgba(184, 149, 46, 0.3);
  border-radius: 100px;
  border: 2.5px solid #111015;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(184, 149, 46, 0.65);
}

::-webkit-scrollbar-thumb:active {
  background: var(--accent);
}

.bg-brand {
  background-color: var(--bg);
}

.bg-brand-alt {
  background-color: var(--bg-alt);
}

.bg-brand-card {
  background-color: var(--bg-card);
}

.bg-brand-footer {
  background-color: var(--bg-footer);
}

.bg-gold {
  background-color: var(--accent);
}

.text-gold {
  color: var(--accent);
}

.text-muted {
  color: var(--fg-muted);
}

.border-gold {
  border-color: var(--accent);
}

.hover-text-gold:hover {
  color: var(--accent);
}

.border-subtle {
  border-color: var(--border);
}

.border-light-subtle {
  border-color: var(--border-light);
}

.shadow-gold {
  box-shadow: 0 4px 20px var(--accent-shadow);
}

.shadow-deep {
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.shadow-card {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.watermark {
  position: absolute;
  bottom: 8%;
  left: 8%;
  font-size: clamp(80px, 14vw, 214px);
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 0.8;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.015);
  pointer-events: none;
  user-select: none;
}

.hero-gradient {
  background-image: radial-gradient(circle farthest-corner at 15% 30% in oklab, oklab(68.4% 0.002 0.124 / 8%) 0%, oklab(17.7% 0.004 -0.009) 65%);
}

.img-grayscale {
  filter: grayscale(100%) contrast(115%) brightness(95%);
}

.hero-parallax {
  position: relative;
  overflow: hidden;
}

.hero-parallax::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../images/hero.jpeg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  background-repeat: no-repeat;
  filter: grayscale(100%) contrast(115%) brightness(30%);
  z-index: 0;
}

.schedule-wrap {
  overflow-x: auto !important;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.1) transparent;
}

.schedule-wrap::-webkit-scrollbar {
  height: 4px;
}

.schedule-wrap::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 2px;
}

.schedule-grid {
  display: grid;
  grid-template-columns: 80px repeat(7, 1fr);
  gap: 0;
  background-color: transparent;
  min-width: 700px;
}

.schedule-grid>* {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.schedule-grid>*:nth-child(8n) {
  border-right: none;
}

.schedule-grid>*:nth-last-child(-n+8) {
  border-bottom: none;
}

.class-cell {
  background-color: rgba(184, 149, 46, 0.05);
  border: 0.8px solid rgba(184, 149, 46, 0.15);
}

.eyebrow {
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 700;
}

.btn-gold {
  background-color: var(--accent);
  border: 0.8px solid var(--accent);
  border-radius: 100px;
  box-shadow: var(--accent-shadow) 0 4px 20px;
  color: white;
  font-weight: 600;
  transition: opacity 0.15s, scale 0.1s;
}

.btn-gold:hover {
  opacity: 0.9;
}

.btn-gold:active {
  scale: 0.97;
  opacity: 0.85;
}

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

.btn-outline {
  border: 0.8px solid rgba(255, 255, 255, 0.15);
  border-radius: 100px;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 600;
  transition: border-color 0.15s, scale 0.1s;
}

.btn-outline:hover {
  border-color: rgba(255, 255, 255, 0.35);
}

.btn-outline:active {
  scale: 0.97;
}

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

.nav-blur {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background-color: rgba(17, 16, 21, 0.85);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.hover-link:hover {
  color: white;
}

.hover-link:focus-visible {
  color: white;
}

/* Modal */
.modal-overlay {
  display: flex;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.modal-box {
  background: #1C1B22;
  border: 0.8px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 40px 36px;
  width: 100%;
  max-width: 440px;
  position: relative;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  opacity: 0;
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
}

.modal-overlay.open .modal-box {
  opacity: 1;
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 0.8px solid rgba(255, 255, 255, 0.1);
  background: transparent;
  color: rgba(255, 255, 255, 0.6);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: background 0.15s, color 0.15s;
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.08);
  color: white;
}

.modal-box input {
  width: 100%;
  background: #111015;
  border: 0.8px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 14px 16px;
  color: white;
  font-size: 14px;
  font-family: 'DM Sans', system-ui, sans-serif;
  outline: none;
  transition: border-color 0.15s;
}

.modal-box input:focus {
  border-color: var(--accent);
}

.modal-box input::placeholder {
  color: rgba(255, 255, 255, 0.35);
}

.modal-box label {
  font-size: 12px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
  display: block;
}

.mobile-menu {
  display: none;
}

.mobile-menu.open {
  display: flex;
}

/* Hamburger → X animation */
.hamburger {
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.hamburger span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 1px;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: center;
}

.hamburger.open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Stats cross border on mobile */
.stat-item {
  position: relative;
}

/* ---- Scroll-reveal animations ---- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* Stagger children inside a reveal parent */
.stagger>* {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.stagger.is-visible>*:nth-child(1) {
  transition-delay: 0s;
}

.stagger.is-visible>*:nth-child(2) {
  transition-delay: 0.1s;
}

.stagger.is-visible>*:nth-child(3) {
  transition-delay: 0.2s;
}

.stagger.is-visible>*:nth-child(4) {
  transition-delay: 0.3s;
}

.stagger.is-visible>*:nth-child(5) {
  transition-delay: 0.4s;
}

.stagger.is-visible>*:nth-child(6) {
  transition-delay: 0.5s;
}

.stagger.is-visible>* {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1023px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .nav-desktop {
    display: none;
  }
}

@media (max-width: 639px) {
  :root {
    --section-y: 60px;
  }

  section[id] {
    scroll-margin-top: 64px;
  }

  .stats-grid.grid-cols-4 {
    grid-template-columns: 1fr 1fr !important;
    gap: 0 !important;
  }

  .stat-item {
    padding: 20px 16px;
  }

  .stat-item:nth-child(1) {
    border-right: 0.8px solid rgba(255, 255, 255, 0.08);
    border-bottom: 0.8px solid rgba(255, 255, 255, 0.08);
  }

  .stat-item:nth-child(2) {
    border-bottom: 0.8px solid rgba(255, 255, 255, 0.08);
  }

  .stat-item:nth-child(3) {
    border-right: 0.8px solid rgba(255, 255, 255, 0.08);
  }

  .py-\[120px\] {
    padding-top: 60px;
    padding-bottom: 60px;
  }

  section:not(nav) {
    padding-top: 60px !important;
    padding-bottom: 60px !important;
  }

  .hero-parallax {
    padding-top: 80px !important;
    padding-bottom: 48px !important;
    min-height: auto !important;
  }
}