/* SECTION: Design System */
:root {
  /* Colors */
  --color-bg-primary: #f8fafc;
  --color-bg-secondary: #eff3f9;
  --color-surface: #ffffff;
  --color-surface-soft: #f1f5f9;
  --color-text-primary: #0f172a;
  --color-text-secondary: #4b5563;
  --color-text-muted: #6b7280;
  --color-border-subtle: #d1d5db;
  --color-border-strong: #9ca3af;
  --color-accent: #0ea5e9;
  --color-accent-soft: rgba(14, 165, 233, 0.1);
  --color-accent-strong: #0369a1;
  --color-accent-secondary: #f97316;
  --color-danger: #dc2626;

  /* Typography */
  --font-heading: "Space Grotesk", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: "DM Sans", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 999px;

  /* Shadows */
  --shadow-soft: 0 1px 2px rgba(15, 23, 42, 0.04), 0 4px 8px rgba(15, 23, 42, 0.06);
  --shadow-dramatic: 0 20px 40px rgba(15, 23, 42, 0.22);

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-normal: 200ms ease-out;
}

/* SECTION: Base Styles */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  text-decoration: none;
}

.site-shell {
  min-height: 100vh;
  padding: var(--space-6) var(--space-4) var(--space-6);
  position: relative;
}

@media (min-width: 900px) {
  .site-shell {
    padding: var(--space-8) var(--space-6) var(--space-8);
  }
}

.container {
  max-width: 960px;
  margin: 0 auto;
}

.section {
  padding: var(--space-12) 0;
}

.section-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

@media (min-width: 768px) {
  .section-header {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
  }
}

.section-intro {
  max-width: 420px;
  font-size: var(--text-base);
  color: var(--color-text-secondary);
}

.eyebrow {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 600;
  color: var(--color-accent-strong);
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
  margin: 0;
}

h1 {
  font-size: clamp(2.1rem, 3.2vw + 1.4rem, 2.9rem);
  line-height: 1.1;
}

h2 {
  font-size: clamp(1.6rem, 1.8vw + 1.2rem, 2.1rem);
  line-height: 1.2;
}

h3 {
  font-size: var(--text-xl);
}

p {
  margin: 0;
  line-height: 1.6;
}

ul {
  margin: 0;
  padding-left: 1.1rem;
}

/* SECTION: Visual Effects (from visual-effects skill, adapted to tokens) */
.gradient-mesh {
  background:
    radial-gradient(at 40% 20%, rgba(248, 250, 252, 0.9) 0px, transparent 50%),
    radial-gradient(at 80% 0%, rgba(14, 165, 233, 0.15) 0px, transparent 50%),
    radial-gradient(at 0% 50%, rgba(249, 115, 22, 0.1) 0px, transparent 50%),
    radial-gradient(at 80% 80%, rgba(37, 99, 235, 0.18) 0px, transparent 55%);
  background-color: var(--color-bg-primary);
}

.grain::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: 0.04;
  pointer-events: none;
  mix-blend-mode: overlay;
  z-index: -1;
}

.floating-shape {
  position: absolute;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: var(--color-accent);
  opacity: 0.14;
  filter: blur(70px);
  animation: float 12s ease-in-out infinite;
  z-index: -1;
}

.shape-1 {
  top: -40px;
  left: -60px;
}

.shape-2 {
  bottom: -80px;
  right: -40px;
  background: var(--color-accent-secondary);
  animation-delay: -4s;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-16px);
  }
}

.shadow-soft {
  box-shadow: var(--shadow-soft);
}

.shadow-dramatic {
  box-shadow: var(--shadow-dramatic);
}

.gradient-border {
  position: relative;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(var(--color-surface), var(--color-surface)) padding-box,
    linear-gradient(135deg, var(--color-accent), var(--color-accent-secondary)) border-box;
  border: 1.5px solid transparent;
}

/* SECTION: Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-full);
  background: rgba(248, 250, 252, 0.88);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #f9fafb;
  font-family: var(--font-heading);
  font-weight: 700;
}

.brand-symbol {
  font-size: var(--text-lg);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-weight: 600;
  font-size: var(--text-base);
}

.brand-tagline {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
  padding: 0;
}

.nav-link {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding: 8px 4px;
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 4px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-secondary));
  transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--color-text-primary);
}

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

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: rgba(255, 255, 255, 0.9);
  padding: 0 9px;
  cursor: pointer;
}

.nav-toggle-bar {
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: #0f172a;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.45);
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }
}

.site-nav {
  position: fixed;
  inset: 0 0 auto auto;
  top: 72px;
  right: var(--space-4);
  background: rgba(248, 250, 252, 0.98);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  border: 1px solid rgba(148, 163, 184, 0.55);
  transform: scale(0.95) translateY(-6px);
  transform-origin: top right;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.site-nav ul {
  flex-direction: column;
  align-items: flex-start;
}

.site-nav.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1) translateY(0);
}

@media (min-width: 768px) {
  .site-nav {
    position: static;
    transform: none;
    opacity: 1;
    pointer-events: auto;
    background: transparent;
    border: none;
    padding: 0;
  }

  .site-nav ul {
    flex-direction: row;
  }
}

/* SECTION: Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 44px;
  min-height: 44px;
  padding: 0 18px;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
  font-family: var(--font-body);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-strong));
  color: #f9fafb;
  box-shadow: 0 10px 22px rgba(37, 99, 235, 0.33);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(37, 99, 235, 0.38);
}

.btn-primary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.55);
}

.btn-secondary {
  background: rgba(15, 23, 42, 0.04);
  color: var(--color-text-primary);
  border-color: rgba(148, 163, 184, 0.8);
}

.btn-secondary:hover {
  background: rgba(15, 23, 42, 0.07);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-primary);
  border-color: rgba(148, 163, 184, 0.35);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.8);
}

/* SECTION: Hero */
.hero-section {
  padding-top: var(--space-10);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr);
  gap: var(--space-8);
  align-items: center;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.hero-lede {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-5);
}

dt {
  font-weight: 600;
}

.hero-stats dt {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  color: var(--color-text-primary);
}

.hero-stats dd {
  margin: 0;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.stat-card {
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: rgba(248, 250, 252, 0.95);
}

.hero-media {
  display: none;
}

@media (min-width: 880px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  }

  .hero-media {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.96), rgba(15, 23, 42, 0.92));
    color: #e5e7eb;
  }
}

.hero-tag {
  display: inline-flex;
  align-self: flex-start;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.6);
}

.hero-media-main {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-3);
}

.hero-photo {
  border-radius: var(--radius-md);
  min-height: 150px;
  background-size: cover;
  background-position: center;
}

.hero-photo-main {
  background-image: linear-gradient(135deg, rgba(14, 165, 233, 0.4), rgba(15, 23, 42, 0.8)),
    url("https://images.pexels.com/photos/5212345/pexels-photo-5212345.jpeg?auto=compress&cs=tinysrgb&w=800");
}

.hero-photo-side {
  background-image: linear-gradient(135deg, rgba(249, 115, 22, 0.4), rgba(15, 23, 42, 0.8)),
    url("https://images.pexels.com/photos/8197533/pexels-photo-8197533.jpeg?auto=compress&cs=tinysrgb&w=800");
}

.hero-meta-card {
  margin-top: var(--space-3);
  padding: var(--space-3);
}

.hero-meta-title {
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--color-text-primary);
}

.hero-meta-text {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

/* SECTION: About */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.about-card,
.about-highlight {
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  background: rgba(248, 250, 252, 0.96);
}

.about-card p {
  color: var(--color-text-secondary);
  margin-top: var(--space-2);
}

.values-list {
  margin-top: var(--space-2);
  color: var(--color-text-secondary);
}

.check-list {
  list-style: none;
  padding-left: 0;
  margin-top: var(--space-2);
}

.check-list li {
  position: relative;
  padding-left: 20px;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-secondary));
}

.about-highlight {
  background: radial-gradient(circle at top left, rgba(14, 165, 233, 0.16), transparent 55%),
    var(--color-surface);
}

@media (min-width: 800px) {
  .about-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .about-highlight {
    grid-column: span 2;
  }
}

/* SECTION: Programs */
.programs-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.program-card {
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.program-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-3);
}

.program-level {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
}

.program-badge {
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
}

.program-badge-accent {
  background: var(--color-accent-soft);
  color: var(--color-accent-strong);
}

.program-card p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}

.program-features {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

@media (min-width: 800px) {
  .programs-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* SECTION: Gallery */
.gallery-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr);
  gap: var(--space-5);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.gallery-item {
  position: relative;
  padding: 0;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: transparent;
  min-height: 150px;
}

.gallery-photo {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform var(--transition-normal), filter var(--transition-normal);
}

.gallery-tag {
  position: relative;
  z-index: 1;
  display: inline-flex;
  margin: var(--space-3);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  background: rgba(15, 23, 42, 0.74);
  color: #e5e7eb;
}

.gallery-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.6), transparent 40%);
}

.gallery-item:hover .gallery-photo,
.gallery-item:focus-visible .gallery-photo {
  transform: scale(1.05);
  filter: brightness(1.05);
}

.gallery-photo-1 {
  background-image: url("https://images.pexels.com/photos/256395/pexels-photo-256395.jpeg?auto=compress&cs=tinysrgb&w=800");
}

.gallery-photo-2 {
  background-image: url("https://images.pexels.com/photos/256541/pexels-photo-256541.jpeg?auto=compress&cs=tinysrgb&w=800");
}

.gallery-photo-3 {
  background-image: url("https://images.pexels.com/photos/5212338/pexels-photo-5212338.jpeg?auto=compress&cs=tinysrgb&w=800");
}

.gallery-photo-4 {
  background-image: url("https://images.pexels.com/photos/159844/cellphone-hand-laptop-macbook-159844.jpeg?auto=compress&cs=tinysrgb&w=800");
}

.gallery-aside {
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

@media (min-width: 880px) {
  .gallery-layout {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
  }
}

/* SECTION: Contact */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-5);
}

.contact-info,
.contact-form-card {
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.contact-list {
  list-style: none;
  padding-left: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.contact-label {
  display: block;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.contact-list p,
.contact-list a {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

@media (min-width: 880px) {
  .contact-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.1fr);
  }
}

/* SECTION: Form Styles */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-3);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

label {
  font-size: var(--text-sm);
  font-weight: 500;
}

input,
select,
textarea {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(148, 163, 184, 0.9);
  background: rgba(248, 250, 252, 0.85);
  color: var(--color-text-primary);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  border-color: var(--color-accent-strong);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.3);
  background: #ffffff;
}

.field-error {
  min-height: 16px;
  font-size: var(--text-xs);
  color: var(--color-danger);
}

.form-feedback {
  margin-top: 6px;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* SECTION: Footer */
.site-footer {
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(148, 163, 184, 0.4);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: flex-start;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.footer-brand {
  display: flex;
  flex-direction: column;
}

.footer-meta {
  font-size: var(--text-xs);
}

@media (min-width: 640px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* SECTION: Modal Gallery */
.gallery-modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  z-index: 30;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.gallery-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.gallery-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
}

.gallery-modal-content {
  position: relative;
  max-width: 840px;
  width: 100%;
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  overflow: hidden;
}

.gallery-modal-visual {
  background: #020617;
}

.gallery-modal-photo {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
}

.gallery-modal-info {
  padding: var(--space-5);
}

.gallery-modal-text {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.modal-close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  border: none;
  background: rgba(15, 23, 42, 0.85);
  color: #e5e7eb;
  font-size: var(--text-sm);
  cursor: pointer;
}

.modal-close:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(248, 250, 252, 0.85);
}

@media (max-width: 720px) {
  .gallery-modal-content {
    grid-template-columns: minmax(0, 1fr);
  }

  .gallery-modal-info {
    padding: var(--space-4);
  }
}

/* SECTION: Utilities */
[data-scroll] {
  cursor: pointer;
}

@media (max-width: 600px) {
  .header-inner {
    padding-inline: var(--space-3);
  }

  .section {
    padding-inline: 0;
  }

  .hero-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .gallery-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}
@media (max-width: 768px) {
  .img-fluid.equal-mobile {
    height: 300px;
    object-fit: cover;
    width: 100%;
  }
}