/* ============================================
   DEFINE TU CUERPO — estilos
   ============================================ */

:root {
  --bg: #08090b;
  --bg-alt: #0e1216;
  --bg-card: #12161b;
  --text: #f5f7f9;
  --text-dim: #99a3ad;
  --text-dimmer: #656e78;
  --accent: #2dd4bf;
  --accent-bright: #5eead4;
  --accent-dim: #0d9488;
  --gold: #2dd4bf;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.18);
  --border-warm: rgba(45, 212, 191, 0.32);
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --ease: cubic-bezier(.16,.8,.3,1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --container: 1240px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul { list-style: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

::selection { background: var(--accent); color: #fff; }

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(.16,.8,.3,1), transform 0.8s cubic-bezier(.16,.8,.3,1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal, .hero-content > * { opacity: 1 !important; transform: none !important; transition: none !important; animation: none !important; }
}

/* ---------- Progress bar ---------- */
.progress-bar {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: var(--accent);
  z-index: 1000;
  transition: width 0.1s linear;
}

/* ---------- Typography helpers ---------- */
.eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.section-sub {
  color: var(--text-dim);
  font-size: 17px;
  max-width: 560px;
  margin-top: 18px;
}

.section-head {
  margin-bottom: 56px;
}

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 32px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 100px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), color 0.3s var(--ease), transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 0 rgba(45, 212, 191, 0);
}
.btn-primary:hover {
  background: var(--accent-bright);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px -6px rgba(45, 212, 191, 0.55);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 4px 14px -6px rgba(45, 212, 191, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-outline:hover {
  border-color: var(--accent);
  background: var(--bg-alt);
  transform: translateY(-2px);
  box-shadow: 0 10px 26px -10px rgba(0, 0, 0, 0.5);
}
.btn-outline:active {
  transform: translateY(0);
}

.btn-small {
  padding: 11px 22px;
  font-size: 12px;
}

.btn-large {
  padding: 20px 44px;
  font-size: 15px;
}

.btn-block {
  width: 100%;
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: fixed;
  top: 14px; left: 14px; right: 14px;
  z-index: 900;
  transition: all 0.35s ease;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: calc(var(--container) + 56px);
  margin: 0 auto;
  padding: 12px 22px;
  background: rgba(10, 12, 14, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-warm);
  border-radius: 100px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
  transition: background 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.site-header.scrolled .header-inner {
  background: rgba(10, 12, 14, 0.86);
  border-color: var(--border-strong);
}

.logo {
  display: flex;
  align-items: center;
  white-space: nowrap;
}
.logo img {
  height: 36px;
  width: auto;
  transition: transform 0.25s ease;
}
.logo:hover img { transform: scale(1.04); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  margin: 0 auto;
}

.nav-link {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-dim);
  position: relative;
  padding: 4px 0;
  transition: color 0.2s ease;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.3s var(--ease);
}
.nav-link:hover { color: var(--text); }
.nav-link:hover::after { width: 100%; }
.nav-link.active { color: var(--text); }
.nav-link.active::after { width: 100%; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.ig-link {
  display: flex;
  color: var(--text-dim);
  transition: color 0.2s ease, transform 0.2s ease;
}
.ig-link:hover { color: var(--accent); transform: scale(1.08); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 30px;
  height: 24px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text);
  transition: all 0.3s ease;
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}
.hero-bg img {
  width: 100%;
  height: 112%;
  object-fit: cover;
  object-position: 68% center;
  will-change: transform;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(0deg, rgba(10,10,11,0.98) 0%, rgba(10,10,11,0.75) 32%, rgba(10,10,11,0.35) 60%, rgba(10,10,11,0.55) 100%),
    linear-gradient(100deg, rgba(10,10,11,0.85) 0%, rgba(10,10,11,0.35) 45%, rgba(10,10,11,0.15) 70%);
}

.hero-content {
  position: relative;
  padding-bottom: 110px;
  max-width: 780px;
  color: #fff;
}
.hero-content .eyebrow {
  color: #5eead4;
}

.hero-content > * {
  opacity: 0;
  transform: translateY(26px);
}
.hero-content.hero-loaded > * {
  animation: heroUp 1s var(--ease) forwards;
}
.hero-content.hero-loaded > *:nth-child(1) { animation-delay: 0.1s; }
.hero-content.hero-loaded > *:nth-child(2) { animation-delay: 0.22s; }
.hero-content.hero-loaded > *:nth-child(3) { animation-delay: 0.38s; }
.hero-content.hero-loaded > *:nth-child(4) { animation-delay: 0.48s; }
.hero-content.hero-loaded > *:nth-child(5) { animation-delay: 0.58s; }
@keyframes heroUp {
  to { opacity: 1; transform: translateY(0); }
}

.hero-title {
  display: block;
  margin-bottom: 20px;
}

.hero-title-light {
  display: block;
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 6px;
}

.hero-title-punch {
  display: block;
  font-size: clamp(48px, 8.5vw, 100px);
  font-weight: 900;
  line-height: 0.94;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: #fff;
  text-shadow: 0 0 60px rgba(255, 255, 255, 0.35);
}

.hero-sub {
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 22px;
}

.hero-text {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.7);
  max-width: 520px;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-actions .btn-outline {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
}
.hero-actions .btn-outline:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.scroll-cue {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  width: 26px;
  height: 42px;
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: 14px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}
.scroll-cue span {
  width: 4px;
  height: 8px;
  background: #fff;
  border-radius: 2px;
  animation: scrollcue 1.8s ease infinite;
}
@keyframes scrollcue {
  0% { transform: translateY(0); opacity: 1; }
  70% { transform: translateY(10px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* ============================================
   MARQUEE
   ============================================ */
.marquee {
  background: var(--accent);
  color: #fff;
  overflow: hidden;
  white-space: nowrap;
  padding: 14px 0;
}
.marquee-track {
  display: inline-flex;
  animation: marquee 26s linear infinite;
}
.marquee:hover .marquee-track {
  animation-play-state: paused;
}
.marquee-track span {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.marquee-footer {
  background: transparent;
  color: var(--text-dimmer);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}

/* ============================================
   PHILOSOPHY
   ============================================ */
.philosophy {
  padding: 130px 0;
  border-bottom: 1px solid var(--border);
}
.philosophy-inner {
  max-width: 780px;
}
.philosophy-text {
  font-size: 19px;
  color: var(--text-dim);
  margin: 28px 0 32px;
  max-width: 700px;
}
.philosophy-tagline {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
  border-left: 2px solid var(--accent);
  padding-left: 16px;
}

/* ============================================
   STATS
   ============================================ */
.stats {
  padding: 80px 0;
  border-bottom: 1px solid var(--border);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}
.stat-item {
  text-align: left;
  border-left: 1px solid var(--border);
  padding-left: 24px;
}
.stat-number {
  display: block;
  font-size: clamp(36px, 4.5vw, 56px);
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 10px;
}
.stat-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ============================================
   ABOUT
   ============================================ */
.about {
  padding: 140px 0;
  border-bottom: 1px solid var(--border);
}
.about-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 80px;
  align-items: start;
}
.about-image {
  position: relative;
  position: sticky;
  top: 110px;
}
.about-image img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  filter: grayscale(15%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-warm);
}
.about-image-tag {
  position: absolute;
  bottom: -18px;
  left: -18px;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  padding: 14px 20px;
  max-width: 220px;
  line-height: 1.3;
}

.about-role {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-dim);
  margin: 18px 0 28px;
  max-width: 480px;
}

.about-content p {
  color: var(--text-dim);
  font-size: 16px;
  margin-bottom: 20px;
  max-width: 620px;
}

.about-commitment {
  color: var(--text) !important;
  font-weight: 600;
  font-size: 17px !important;
  border-left: 2px solid var(--accent);
  padding-left: 18px;
}

.credentials {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 32px 0 36px;
}
.credential-chip {
  border: 1px solid var(--border-strong);
  color: var(--text-dim);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 9px 16px;
  border-radius: 100px;
}

/* ============================================
   OFFERINGS
   ============================================ */
.offerings {
  padding: 130px 0 100px;
}

.offerings-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.offering-item {
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  padding: 26px 28px;
  font-size: 16px;
  font-weight: 600;
  transition: background 0.35s var(--ease), border-color 0.35s var(--ease), transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
  position: relative;
}
.offering-item:hover {
  background: var(--bg-alt);
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 16px 34px -18px rgba(45, 212, 191, 0.45);
}
.offering-item span::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--accent);
  margin-right: 14px;
  vertical-align: middle;
}

.offerings-tagline {
  margin-top: 50px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  text-align: center;
}

/* ============================================
   PROGRAMS SHOWCASE (desafíos)
   ============================================ */
.programs-showcase {
  padding: 40px 0 100px;
}

.program-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 90px;
}
.program-chip {
  border: 1px solid var(--border-warm);
  border-radius: 100px;
  padding: 10px 20px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-dim);
  transition: all 0.25s ease;
}
.program-chip:hover {
  color: var(--bg);
  background: var(--gold);
  border-color: var(--gold);
}

.program-row {
  display: flex;
  align-items: center;
  gap: 70px;
  padding: 80px 0;
  border-top: 1px solid var(--border);
  scroll-margin-top: 110px;
}
.program-row:first-of-type {
  border-top: none;
  padding-top: 0;
}
.program-row.reverse {
  flex-direction: row-reverse;
}

.program-media {
  flex: 0 0 44%;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-warm);
  transition: box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
}
.program-row:hover .program-media {
  border-color: var(--accent);
  box-shadow: 0 24px 60px -24px rgba(45, 212, 191, 0.5);
}
.program-media img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  filter: grayscale(20%);
  transition: transform 0.6s cubic-bezier(.16,.8,.3,1);
}
.program-row:hover .program-media img {
  transform: scale(1.04);
}
.program-duration {
  position: absolute;
  top: 20px;
  left: 20px;
  background: rgba(10, 10, 11, 0.75);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-warm);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 9px 16px;
  border-radius: 100px;
}

.program-body {
  flex: 1;
}
.program-number {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--gold);
  margin-bottom: 18px;
}
.program-title {
  font-size: clamp(30px, 3.6vw, 48px);
  font-weight: 900;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  line-height: 1.02;
  margin-bottom: 12px;
}
.program-tagline {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 26px;
}
.program-text p {
  color: var(--text-dim);
  font-size: 15px;
  margin-bottom: 18px;
  max-width: 560px;
}
.program-closing {
  color: var(--text) !important;
  font-weight: 600;
  font-size: 16px !important;
}
.program-row .btn {
  margin-top: 12px;
}

/* ============================================
   FEATURE BANNER
   ============================================ */
.feature-banner {
  position: relative;
  padding: 160px 0;
  overflow: hidden;
}
.feature-banner-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}
.feature-banner-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  filter: grayscale(40%);
}
.feature-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10,10,11,0.96) 0%, rgba(10,10,11,0.8) 45%, rgba(10,10,11,0.55) 100%);
}
.feature-banner-content {
  max-width: 620px;
  color: #fff;
}
.feature-banner-content .eyebrow {
  color: #5eead4;
}
.feature-banner-text {
  color: rgba(255, 255, 255, 0.72);
  font-size: 17px;
  margin: 26px 0 46px;
  max-width: 520px;
}
.feature-banner-number {
  border-left: 2px solid var(--accent);
  padding-left: 22px;
}
.big-number {
  display: block;
  font-size: clamp(44px, 6vw, 72px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1;
  color: #fff;
}
.big-number-label {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
}

/* ============================================
   GALLERY
   ============================================ */
.gallery {
  padding: 140px 0;
  border-top: 1px solid var(--border);
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 210px;
  gap: 14px;
}
.gallery-item {
  overflow: hidden;
  position: relative;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-warm);
  transition: border-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.gallery-item:hover {
  border-color: var(--accent);
  box-shadow: 0 20px 44px -20px rgba(45, 212, 191, 0.5);
}
.gallery-item.span-2 {
  grid-column: span 2;
  grid-row: span 2;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(25%);
  transition: transform 0.6s cubic-bezier(.16,.8,.3,1), filter 0.4s ease;
}
.gallery-item:hover img {
  transform: scale(1.06);
  filter: grayscale(0%);
}

/* ============================================
   FAQ
   ============================================ */
.faq {
  padding: 140px 0;
  border-top: 1px solid var(--border);
}
.faq-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 80px;
}
.faq-head {
  position: sticky;
  top: 120px;
  align-self: start;
}
.faq-head .btn { margin-top: 30px; }

.faq-item {
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-md);
  padding: 4px 26px;
  margin-bottom: 14px;
  transition: border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.faq-item:hover {
  border-color: var(--border-strong);
}
.faq-item.open {
  border-color: var(--accent);
  box-shadow: 0 14px 34px -20px rgba(45, 212, 191, 0.5);
}
.faq-summary {
  cursor: pointer;
  font-size: 17px;
  font-weight: 700;
  font-family: inherit;
  color: var(--text);
  background: none;
  border: none;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 0;
  text-align: left;
}
.faq-icon {
  position: relative;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.faq-icon::before, .faq-icon::after {
  content: '';
  position: absolute;
  background: var(--text);
  transition: transform 0.35s var(--ease), background 0.3s ease;
}
.faq-icon::before {
  width: 18px; height: 2px;
  top: 8px; left: 0;
}
.faq-icon::after {
  width: 2px; height: 18px;
  top: 0; left: 8px;
}
.faq-item.open .faq-icon {
  transform: rotate(180deg);
}
.faq-item.open .faq-icon::after {
  transform: rotate(90deg);
  opacity: 0;
}
.faq-item.open .faq-icon::before {
  background: var(--accent);
}
.faq-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.45s var(--ease);
}
.faq-item.open .faq-panel {
  grid-template-rows: 1fr;
}
.faq-panel-inner {
  overflow: hidden;
}
.faq-item p {
  color: var(--text-dim);
  font-size: 15px;
  padding-bottom: 22px;
  max-width: 560px;
}

/* ============================================
   CONTACT
   ============================================ */
.contact {
  padding: 160px 0;
  text-align: center;
  border-top: 1px solid var(--border);
}
.contact-inner {
  max-width: 620px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.contact-text {
  color: var(--text-dim);
  font-size: 18px;
  margin: 24px 0 40px;
}
.contact-handle {
  margin-top: 22px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  padding-top: 70px;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 34px;
  padding-bottom: 60px;
  text-align: center;
}
.footer-logo {
  max-width: 340px;
  width: 100%;
  opacity: 0.95;
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 28px;
}
.footer-nav a {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-dim);
  transition: color 0.2s ease;
}
.footer-nav a:hover { color: var(--text); }

.footer-ig {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dim);
  transition: color 0.2s ease;
}
.footer-ig:hover { color: var(--accent); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 26px 0;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-dimmer);
}
.footer-tagline {
  font-weight: 700;
  letter-spacing: 0.08em;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1000px) {
  .about-grid { grid-template-columns: 1fr; gap: 50px; }
  .about-image { position: relative; top: auto; max-width: 420px; }
  .faq-layout { grid-template-columns: 1fr; gap: 40px; }
  .faq-head { position: static; }
  .offerings-grid { grid-template-columns: repeat(2, 1fr); }
  .program-row, .program-row.reverse { flex-direction: column; align-items: stretch; gap: 34px; padding: 50px 0; }
  .program-media { flex-basis: auto; }
  .program-media img { aspect-ratio: 16/11; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 24px; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 220px; }
  .gallery-item.span-2 { grid-column: span 2; grid-row: span 1; aspect-ratio: 16/10; height: auto; }
}

@media (max-width: 860px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .header-actions .btn-small { display: none; }

  .main-nav {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: min(320px, 80vw);
    background: #0a0c0e;
    border-left: 1px solid var(--border);
    box-shadow: -10px 0 50px rgba(0, 0, 0, 0.5);
    padding: 100px 40px 40px;
    gap: 10px;
    align-items: flex-start;
    z-index: 950;
    transform: translateX(100%);
    visibility: hidden;
    transition: transform 0.5s var(--ease), visibility 0s linear 0.5s;
  }
  .main-nav.mobile-open {
    transform: translateX(0);
    visibility: visible;
    transition: transform 0.5s var(--ease), visibility 0s linear 0s;
  }
  .main-nav .nav-link {
    font-size: 17px;
    padding: 10px 0;
    width: 100%;
    opacity: 0;
    transform: translateX(16px);
    transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
  }
  .main-nav.mobile-open .nav-link {
    opacity: 1;
    transform: translateX(0);
  }
  .main-nav.mobile-open .nav-link:nth-child(1) { transition-delay: 0.08s; }
  .main-nav.mobile-open .nav-link:nth-child(2) { transition-delay: 0.13s; }
  .main-nav.mobile-open .nav-link:nth-child(3) { transition-delay: 0.18s; }
  .main-nav.mobile-open .nav-link:nth-child(4) { transition-delay: 0.23s; }
  .main-nav.mobile-open .nav-link:nth-child(5) { transition-delay: 0.28s; }
  .main-nav.mobile-open .nav-link:nth-child(6) { transition-delay: 0.33s; }

  .nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 940;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s var(--ease), visibility 0s linear 0.4s;
  }
  .nav-overlay.active {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.4s var(--ease), visibility 0s linear 0s;
  }
}

@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .hero-content { padding-bottom: 70px; }
  .hero { min-height: 100svh; }
  .philosophy { padding: 90px 0; }
  .stats { padding: 60px 0; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .about { padding: 90px 0; }
  .offerings { padding: 90px 0 70px; }
  .offerings-grid { grid-template-columns: 1fr; }
  .programs-showcase { padding: 20px 0 70px; }
  .program-chips { margin-bottom: 50px; }
  .feature-banner { padding: 110px 0; }
  .gallery { padding: 90px 0; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 160px; }
  .faq { padding: 90px 0; }
  .contact { padding: 100px 0; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; }
  .credentials { gap: 8px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .site-header { left: 10px; right: 10px; top: 10px; }
  .header-inner { padding: 8px 8px 8px 18px; }
  .logo img { height: 28px; }
}
