/* ============================================================
   Design Tokens
   ============================================================ */
:root {
  /* Colors */
  --color-bg:           #ffffff;
  --color-surface:      #f9f7f5;
  --color-surface-2:    #f0ece8;
  --color-border:       #e5e0db;
  --color-muted:        #6b7280;
  --color-fg:           #1a1208;
  --color-primary:      #7a1c1c;
  --color-primary-dark: #5e1515;
  --color-primary-light:rgba(122, 28, 28, 0.08);
  --color-gold:         #c9973a;

  /* Spacing (4px base) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Typography */
  --font-sans:   'Inter', system-ui, -apple-system, sans-serif;
  --font-serif:  Georgia, 'Times New Roman', serif;
  --text-xs:     0.75rem;
  --text-sm:     0.875rem;
  --text-base:   0.9375rem;
  --text-lg:     1.125rem;
  --text-xl:     1.25rem;
  --text-2xl:    1.5rem;
  --text-3xl:    1.875rem;

  /* Radii */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;

  /* Shadows */
  --shadow-sm:   0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md:   0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04);
  --shadow-lg:   0 8px 28px rgba(0,0,0,.1),  0 4px 8px rgba(0,0,0,.04);

  /* Transitions */
  --t-fast: 150ms ease;
  --t-base: 250ms ease;
  --t-slow: 400ms ease;
}

/* ============================================================
   Reset & Base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--color-bg);
  color: var(--color-fg);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

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

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================================
   Navigation
   ============================================================ */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
  gap: var(--space-3);
}

nav .wordmark {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--color-primary);
  letter-spacing: -0.02em;
  min-height: 44px;
}

nav .wordmark:hover { text-decoration: none; opacity: 0.85; }

nav ul {
  list-style: none;
  display: flex;
  gap: var(--space-1);
  flex-wrap: wrap;
  align-items: center;
}

nav ul li a {
  position: relative;
  color: var(--color-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  min-height: 44px;
  display: flex;
  align-items: center;
  transition: color var(--t-fast), background var(--t-fast);
}

nav ul li a:hover {
  color: var(--color-fg);
  background: var(--color-surface);
  text-decoration: none;
}

.nav-enroll {
  background: var(--color-primary) !important;
  color: #fff !important;
  border-radius: var(--radius-sm) !important;
  font-weight: 600 !important;
  transition: background var(--t-fast), transform var(--t-fast) !important;
}

.nav-enroll:hover {
  background: var(--color-primary-dark) !important;
  color: #fff !important;
  transform: translateY(-1px);
}

/* ============================================================
   Footer
   ============================================================ */
footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6) var(--space-8);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: var(--text-sm);
  color: var(--color-muted);
  flex-wrap: wrap;
  gap: var(--space-3);
}

.footer-links { display: flex; gap: var(--space-6); }
.footer-links a { color: var(--color-muted); transition: color var(--t-fast); }
.footer-links a:hover { color: var(--color-fg); text-decoration: none; }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: pointer;
  color: var(--color-fg);
  background: var(--color-bg);
  min-height: 44px;
  transition: border-color var(--t-fast), background var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
}

.btn:hover {
  border-color: var(--color-muted);
  background: var(--color-surface);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  font-weight: 600;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff;
  box-shadow: 0 4px 12px rgba(122, 28, 28, 0.3);
}

/* ============================================================
   Main
   ============================================================ */
main { flex: 1; }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  height: 420px;
  overflow: hidden;
  background: var(--color-fg);
}

@media (min-width: 768px) { .hero { height: 520px; } }

.carousel {
  position: absolute;
  inset: 0;
}

.carousel img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity var(--t-slow);
}

.carousel img.active { opacity: 1; }

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(10, 4, 0, 0.80) 0%,
    rgba(10, 4, 0, 0.45) 50%,
    rgba(10, 4, 0, 0.20) 100%
  );
}

.hero-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-8) var(--space-6) var(--space-10);
  color: #fff;
}

@media (min-width: 768px) {
  .hero-content { padding: var(--space-12) var(--space-12) var(--space-12); max-width: 680px; }
}

.hero-content h1 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-2);
  text-shadow: 0 2px 8px rgba(0,0,0,.4);
}

.hero-content .tagline {
  font-size: clamp(var(--text-sm), 2vw, var(--text-lg));
  font-style: italic;
  color: rgba(255,255,255,0.80);
  margin-bottom: var(--space-6);
}

.ctas {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* Hero buttons need white border variant */
.hero-content .btn {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.45);
  color: #fff;
  backdrop-filter: blur(4px);
}

.hero-content .btn:hover {
  background: rgba(255,255,255,0.22);
  border-color: #fff;
  color: #fff;
  box-shadow: none;
}

.hero-content .btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.hero-content .btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: 0 4px 12px rgba(122, 28, 28, 0.4);
}

/* ============================================================
   Mission / Vision / Philosophy
   ============================================================ */
.mvp {
  padding: var(--space-12) var(--space-6);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

@media (min-width: 768px) { .mvp { padding: var(--space-16) var(--space-8); } }

.mvp-intro {
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-muted);
  max-width: 640px;
  margin: 0 auto var(--space-10);
  text-align: center;
}

.mvp-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  max-width: 960px;
  margin: 0 auto;
}

@media (min-width: 640px)  { .mvp-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .mvp-grid { grid-template-columns: repeat(3, 1fr); } }

.mvp-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-6) var(--space-8);
  position: relative;
  overflow: hidden;
  transition: transform var(--t-base), box-shadow var(--t-base);
}

.mvp-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-gold));
}

.mvp-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.mvp-card h2 {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.mvp-card p {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: 1.75;
}

/* ============================================================
   Page Layout
   ============================================================ */
.page {
  padding: var(--space-8) var(--space-4);
  max-width: 780px;
  margin: 0 auto;
  width: 100%;
}

@media (min-width: 768px) { .page { padding: var(--space-12) var(--space-8); } }

.page > h1 {
  font-size: clamp(var(--text-xl), 3vw, var(--text-3xl));
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
  line-height: 1.2;
}

.prose-lead {
  font-size: var(--text-lg);
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: var(--space-6);
  max-width: 65ch;
}

.prose {
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-muted);
  max-width: 65ch;
}

.prose p { margin-bottom: var(--space-4); }
.prose a { color: var(--color-primary); text-decoration: underline; }

/* ============================================================
   Steps
   ============================================================ */
.steps { display: flex; flex-direction: column; gap: var(--space-6); margin-top: var(--space-6); }

.step {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: box-shadow var(--t-base);
}

.step:hover { box-shadow: var(--shadow-sm); }

.step-num {
  flex-shrink: 0;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(122, 28, 28, 0.3);
}

.step-body h2, .step-body h3 {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-fg);
  margin-bottom: var(--space-3);
}

.step-body ul {
  padding-left: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: 1.8;
  margin-top: var(--space-2);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.step-body p { font-size: var(--text-sm); color: var(--color-muted); line-height: 1.7; }

/* ============================================================
   Forms Page
   ============================================================ */
.section-label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin-bottom: var(--space-4);
}

.form-list { display: flex; flex-direction: column; gap: var(--space-2); }

.form-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.form-item:hover { border-color: var(--color-primary); box-shadow: var(--shadow-sm); }

.form-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-fg);
  min-height: 52px;
  gap: var(--space-4);
  transition: background var(--t-fast);
}

.form-link:hover { background: var(--color-surface); text-decoration: none; }

.form-unavailable { color: var(--color-muted); cursor: default; }

.form-badge {
  flex-shrink: 0;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
}

.form-unavailable .form-badge { color: var(--color-muted); background: var(--color-surface-2); }

/* ============================================================
   Policies Page
   ============================================================ */
.policy-section { margin-bottom: var(--space-10); }

.policy-section h2 {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-fg);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-primary-light);
}

.doc-list { list-style: none; display: flex; flex-direction: column; gap: var(--space-2); }

.doc-list li {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.doc-list li:hover { border-color: var(--color-primary); box-shadow: var(--shadow-sm); }

.doc-list li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-fg);
  min-height: 48px;
  transition: background var(--t-fast);
}

.doc-list li a:hover { background: var(--color-surface); text-decoration: none; }

/* ============================================================
   Tuition Page
   ============================================================ */
.doc-list-cards { display: flex; flex-direction: column; gap: var(--space-3); }

.doc-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-fg);
  gap: var(--space-4);
  min-height: 64px;
  background: var(--color-surface);
  transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-fast);
}

.doc-card:hover {
  background: var(--color-bg);
  border-color: var(--color-primary);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ============================================================
   Tutor Page
   ============================================================ */
.tutor-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

@media (min-width: 640px)  { .tutor-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .tutor-grid { grid-template-columns: repeat(3, 1fr); } }

.tutor-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  background: var(--color-surface);
  transition: transform var(--t-base), box-shadow var(--t-base);
}

.tutor-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.tutor-card h2 {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.tutor-card p { font-size: var(--text-sm); color: var(--color-muted); line-height: 1.7; }

.tutor-how { margin-bottom: var(--space-10); }
.tutor-how h2 { font-size: var(--text-xl); font-weight: 700; margin-bottom: var(--space-4); }

.faq { display: flex; flex-direction: column; gap: var(--space-4); }
.faq h2 { font-size: var(--text-xl); font-weight: 700; margin-bottom: var(--space-2); }

.faq-item {
  border-left: 3px solid var(--color-primary);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.faq-item h3 { font-size: var(--text-sm); font-weight: 700; margin-bottom: var(--space-1); }
.faq-item p  { font-size: var(--text-sm); color: var(--color-muted); }

/* ============================================================
   Contact Page
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

@media (min-width: 640px) { .contact-grid { grid-template-columns: repeat(3, 1fr); } }

.contact-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  background: var(--color-surface);
  text-align: center;
  transition: transform var(--t-base), box-shadow var(--t-base);
}

.contact-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.contact-card h2 {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.contact-card p { font-size: var(--text-sm); margin-bottom: var(--space-2); }
.contact-card .btn { width: 100%; justify-content: center; }

/* ============================================================
   News Page
   ============================================================ */
.post-list { display: flex; flex-direction: column; gap: 0; }

.post-summary {
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-6) 0;
  transition: background var(--t-fast);
}

.post-summary:last-child { border-bottom: none; }

.post-date {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-muted);
  margin-bottom: var(--space-2);
}

.post-date a { color: var(--color-muted); }

.post-summary h2 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
  line-height: 1.3;
}

.post-summary h2 a {
  color: var(--color-fg);
  transition: color var(--t-fast);
}

.post-summary h2 a:hover { color: var(--color-primary); text-decoration: none; }

.post-excerpt { font-size: var(--text-sm); color: var(--color-muted); line-height: 1.7; }