/* ================================================================
   LandingSM — Design System CSS
   Based on "Madani Modern" / "The Modern Minaret" design system
   ================================================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

/* ---------- Design Tokens ---------- */
:root {
  /* Primary palette */
  --primary: #bb0017;
  --primary-container: #e61826;
  --primary-fixed: #ffdad6;
  --on-primary: #ffffff;
  --on-primary-fixed-variant: #930010;

  /* Surface hierarchy */
  --surface: #f8f9ff;
  --surface-container-low: #eff4ff;
  --surface-container-lowest: #ffffff;
  --surface-container-high: #e2e8f6;
  --surface-container-highest: #dce3f0;
  --surface-bright: #f8f9ff;

  /* Text */
  --on-surface: #151c26;
  --on-surface-variant: #5e3f3c;
  --secondary: #585f6a;
  --outline-variant: #e7bcb8;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* Radius */
  --radius: 1rem;
  --radius-lg: 2rem;
  --radius-xl: 3rem;
  --radius-full: 9999px;

  /* Shadows (ambient, no harsh shadows) */
  --shadow-sm: 0 2px 8px rgba(21, 28, 38, 0.04);
  --shadow-md: 0 4px 16px rgba(21, 28, 38, 0.06);
  --shadow-lg: 0 8px 40px rgba(21, 28, 38, 0.08);
  --shadow-xl: 0 16px 48px rgba(21, 28, 38, 0.12);

  /* Transitions */
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background-color: var(--surface);
  color: var(--on-surface);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
  font-family: 'Inter', sans-serif;
  color: var(--on-surface);
  line-height: 1.2;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ---------- Utility ---------- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--space-6); }
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* ---------- Material Icons ---------- */
.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  vertical-align: middle;
}

/* ---------- Navbar (Glassmorphism) ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}
.nav-inner {
  display: flex; justify-content: space-between; align-items: center;
  padding: var(--space-4) var(--space-6);
  max-width: 1200px; margin: 0 auto;
}
.nav-brand { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1.25rem; }
.nav-links { display: none; gap: var(--space-8); align-items: center; }
.nav-links a {
  font-size: 0.875rem; font-weight: 500; color: var(--secondary);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--primary); }
@media (min-width: 768px) { .nav-links { display: flex; } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  padding: var(--space-4) var(--space-8); border-radius: var(--radius-full);
  font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 700; font-size: 1rem;
  border: none; cursor: pointer; transition: all var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-container));
  color: var(--on-primary); box-shadow: var(--shadow-md);
}
.btn-primary:hover { transform: scale(1.05); box-shadow: var(--shadow-lg); }
.btn-secondary {
  background: var(--surface-container-high);
  color: var(--on-surface);
}
.btn-secondary:hover { background: var(--surface-container-highest); }
.btn-lg { padding: var(--space-4) var(--space-10); font-size: 1.125rem; }
.btn-sm { padding: var(--space-2) var(--space-6); font-size: 0.875rem; }
.btn-block { width: 100%; }

/* ---------- Section base ---------- */
section { padding: var(--space-20) 0; }
.section-alt { background: var(--surface-container-low); }
.section-white { background: var(--surface-container-lowest); }
.section-header { text-align: center; margin-bottom: var(--space-16); }
.section-header h2 { font-size: 1.875rem; font-weight: 700; margin-bottom: var(--space-4); }
.section-header p { color: var(--secondary); max-width: 600px; margin: 0 auto; }
@media (min-width: 768px) { .section-header h2 { font-size: 2.25rem; } }

/* ---------- Hero Section ---------- */
.hero { padding-top: 7rem; overflow: hidden; }
.hero-grid { display: grid; gap: var(--space-12); align-items: center; }
@media (min-width: 768px) { .hero-grid { grid-template-columns: 1fr 1fr; } .hero { padding-top: 8rem; padding-bottom: var(--space-16); } }
.hero-badge {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-1) var(--space-3); border-radius: var(--radius-full);
  background: var(--primary-fixed); color: var(--on-primary-fixed-variant);
  font-size: 0.75rem; font-weight: 700; margin-bottom: var(--space-6);
}
.hero h1 {
  font-size: 2.25rem; font-weight: 800; letter-spacing: -0.02em;
  line-height: 1.15; margin-bottom: var(--space-6);
}
@media (min-width: 768px) { .hero h1 { font-size: 3.5rem; } }
.hero h1 .accent { color: var(--primary); font-style: italic; }
.hero-subtitle { font-size: 1.125rem; color: var(--secondary); margin-bottom: var(--space-8); max-width: 480px; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-bottom: var(--space-12); }
.hero-highlights { display: flex; flex-wrap: wrap; gap: var(--space-4); }
.hero-highlight-item {
  display: flex; align-items: center; gap: var(--space-2);
  background: var(--surface-container-lowest); padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full); box-shadow: var(--shadow-sm);
  font-size: 0.875rem; font-weight: 600;
}
.hero-highlight-item .material-symbols-outlined { color: var(--primary); font-size: 1.25rem; }
.hero-image-wrap { position: relative; display: none; }
@media (min-width: 768px) { .hero-image-wrap { display: block; } }
.hero-image-wrap .blob {
  position: absolute; top: -80px; right: -80px; width: 384px; height: 384px;
  background: rgba(187, 0, 23, 0.05); border-radius: 50%; filter: blur(60px);
}
.hero-image-card {
  position: relative; z-index: 1; border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-xl); transform: rotate(3deg);
  transition: transform 0.5s ease;
}
.hero-image-card:hover { transform: rotate(0deg); }
.hero-image-card img { width: 100%; height: 500px; object-fit: cover; }
.hero-image-quote {
  position: absolute; bottom: var(--space-6); left: var(--space-6); right: var(--space-6);
  background: rgba(255,255,255,0.9); backdrop-filter: blur(12px);
  padding: var(--space-6); border-radius: var(--radius);
  font-style: italic; font-weight: 500;
}
@media (max-width: 767px) {
  .hero { text-align: center; }
  .hero-subtitle { margin-left: auto; margin-right: auto; }
  .hero-buttons { justify-content: center; }
  .hero-highlights { justify-content: center; }
}

/* ---------- Programs / Detail Section ---------- */
.programs-grid { display: grid; gap: var(--space-8); }
@media (min-width: 768px) { .programs-grid { grid-template-columns: repeat(3, 1fr); } }
.program-card {
  background: var(--surface-container-lowest); padding: var(--space-8);
  border-radius: var(--radius); transition: transform var(--transition);
}
.program-card:hover { transform: translateY(-8px); }
.program-card.featured {
  background: var(--primary); color: var(--on-primary);
  transform: scale(1); box-shadow: var(--shadow-xl); position: relative; overflow: hidden;
}
@media (min-width: 768px) { .program-card.featured { transform: scale(1.05); } }
.program-card.featured::before {
  content: ''; position: absolute; top: 0; right: 0;
  width: 128px; height: 128px; background: rgba(255,255,255,0.1);
  border-radius: 50%; margin-right: -64px; margin-top: -64px;
}
.program-card-icon {
  width: 56px; height: 56px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-6); background: var(--primary-fixed);
}
.program-card-icon .material-symbols-outlined { font-size: 1.875rem; color: var(--primary); }
.program-card.featured .program-card-icon { background: rgba(255,255,255,0.2); }
.program-card.featured .program-card-icon .material-symbols-outlined { color: white; }
.program-card h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: var(--space-3); }
.program-card p { font-size: 0.875rem; color: var(--secondary); line-height: 1.7; margin-bottom: var(--space-6); }
.program-card.featured p { color: rgba(255,255,255,0.8); }
.program-card ul { margin-bottom: var(--space-8); }
.program-card li {
  display: flex; align-items: center; gap: var(--space-2);
  font-size: 0.875rem; color: var(--on-surface-variant); margin-bottom: var(--space-3);
}
.program-card li .material-symbols-outlined { font-size: 1rem; color: var(--primary); }
.program-card.featured li { color: rgba(255,255,255,0.9); }
.program-card.featured li .material-symbols-outlined { color: white; }
.program-card .btn { margin-top: auto; }

/* ---------- Why Join Section ---------- */
.why-grid { display: grid; gap: var(--space-16); align-items: center; }
@media (min-width: 768px) { .why-grid { grid-template-columns: 1fr 1fr; } }
.why-grid h2 { font-size: 1.875rem; font-weight: 700; margin-bottom: var(--space-6); }
.why-grid > div > p { color: var(--secondary); margin-bottom: var(--space-10); }
.why-items { display: flex; flex-direction: column; gap: var(--space-8); }
.why-item { display: flex; gap: var(--space-4); }
.why-item-icon {
  flex-shrink: 0; width: 48px; height: 48px; border-radius: 50%;
  background: var(--primary-fixed); display: flex; align-items: center; justify-content: center;
}
.why-item-icon .material-symbols-outlined { color: var(--primary); }
.why-item h4 { font-weight: 700; margin-bottom: var(--space-1); }
.why-item p { font-size: 0.875rem; color: var(--secondary); }
.why-bento { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.why-bento-card {
  padding: var(--space-6); border-radius: var(--radius-lg); display: flex;
  flex-direction: column; justify-content: flex-end;
}
.why-bento-card .material-symbols-outlined { color: var(--primary); margin-bottom: var(--space-2); font-variation-settings: 'FILL' 1; }
.why-bento-card p { font-size: 0.875rem; font-weight: 700; }
.why-bento-card:nth-child(1) { background: var(--surface-container-low); height: 192px; margin-top: var(--space-8); }
.why-bento-card:nth-child(2) { background: var(--primary-fixed); height: 256px; }
.why-bento-card:nth-child(2) .material-symbols-outlined { color: var(--on-primary-fixed-variant); }
.why-bento-card:nth-child(2) p { color: var(--on-primary-fixed-variant); }
.why-bento-card:nth-child(3) { background: var(--surface-container-high); height: 256px; margin-top: calc(-1 * var(--space-8)); }
.why-bento-card:nth-child(4) { background: var(--surface-container-low); height: 192px; }

/* ---------- Testimonial Section ---------- */
.testimonials-grid { display: grid; gap: var(--space-8); }
@media (min-width: 768px) { .testimonials-grid { grid-template-columns: 1fr 1fr; } }
.testimonial-card {
  background: var(--surface-container-lowest); padding: var(--space-8);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); position: relative;
}
.testimonial-card .quote-icon {
  position: absolute; top: var(--space-8); right: var(--space-8);
  font-size: 3.5rem; color: var(--primary-fixed); opacity: 0.3;
  font-variation-settings: 'FILL' 1;
}
.testimonial-card blockquote {
  font-style: italic; margin-bottom: var(--space-8); position: relative; z-index: 1;
  line-height: 1.8;
}
.testimonial-author { display: flex; align-items: center; gap: var(--space-4); }
.testimonial-author img {
  width: 48px; height: 48px; border-radius: 50%; object-fit: cover;
  background: var(--surface-container-high);
}
.testimonial-author h5 { font-size: 0.875rem; font-weight: 700; }
.testimonial-author p { font-size: 0.75rem; color: var(--secondary); }

/* ---------- Pricing Section ---------- */
.pricing-card {
  max-width: 800px; margin: 0 auto;
  background: var(--surface-container-lowest); border-radius: var(--radius);
  box-shadow: var(--shadow-xl); overflow: hidden;
}
.pricing-header {
  background: var(--primary); padding: var(--space-4) var(--space-8);
  display: flex; justify-content: space-between; align-items: center;
}
.pricing-header span:first-child { color: white; font-weight: 700; letter-spacing: 0.05em; }
.pricing-badge {
  background: white; color: var(--primary); padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full); font-size: 0.75rem; font-weight: 900;
}
.pricing-body { padding: var(--space-8); text-align: center; }
@media (min-width: 768px) { .pricing-body { padding: var(--space-12); } }
.pricing-body h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: var(--space-2); }
.pricing-body > p { color: var(--secondary); margin-bottom: var(--space-8); }
.pricing-amount { margin-bottom: var(--space-10); }
.pricing-amount .original { color: var(--secondary); text-decoration: line-through; font-size: 1.125rem; }
.pricing-amount .price {
  font-family: 'Inter', sans-serif; font-size: 2.5rem; font-weight: 900;
  display: flex; align-items: center; justify-content: center; gap: var(--space-2);
}
@media (min-width: 768px) { .pricing-amount .price { font-size: 3rem; } }
.pricing-amount .price .label { font-size: 1rem; color: var(--secondary); font-weight: 400; }
.pricing-facilities {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4);
  text-align: left; margin-bottom: var(--space-10);
}
.pricing-facilities li {
  display: flex; align-items: center; gap: var(--space-3);
  font-size: 0.875rem; font-weight: 500;
}
.pricing-facilities .material-symbols-outlined { color: var(--primary); }
.pricing-footer-note { margin-top: var(--space-4); font-size: 0.75rem; color: var(--secondary); font-style: italic; }

/* ---------- Final CTA Section ---------- */
.final-cta { text-align: center; background: var(--surface-container-lowest); }
.final-cta h2 { font-size: 1.875rem; font-weight: 700; margin-bottom: var(--space-6); }
@media (min-width: 768px) { .final-cta h2 { font-size: 2.25rem; } }
.final-cta > .container > p { color: var(--secondary); margin-bottom: var(--space-10); max-width: 560px; margin-left: auto; margin-right: auto; }
.final-cta-buttons { display: flex; flex-wrap: wrap; gap: var(--space-4); justify-content: center; }

/* ---------- Footer ---------- */
.footer {
  background: var(--surface-container-low); padding: var(--space-12) 0;
  text-align: center;
}
.footer-brand { font-family: 'Inter', sans-serif; font-weight: 700; font-size: 1.5rem; margin-bottom: var(--space-6); }
.footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-8); margin-bottom: var(--space-6); }
.footer-links a { font-size: 0.75rem; color: var(--secondary); transition: color var(--transition); }
.footer-links a:hover { color: var(--primary); }
.footer-social { display: flex; justify-content: center; gap: var(--space-6); margin-bottom: var(--space-6); }
.footer-social a { color: var(--secondary); transition: color var(--transition); }
.footer-social a:hover { color: var(--primary); }
.footer-copy { font-size: 0.75rem; color: var(--secondary); }

/* ---------- Floating CTA (Mobile) ---------- */
.floating-cta {
  display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 40;
  padding: var(--space-3) var(--space-4);
  background: rgba(255,255,255,0.95); backdrop-filter: blur(12px);
  box-shadow: 0 -4px 16px rgba(21, 28, 38, 0.1);
}
.floating-cta .btn { width: 100%; }
@media (max-width: 767px) { .floating-cta { display: block; } body { padding-bottom: 80px; } }

/* ---------- Loading / Skeleton ---------- */
.skeleton { background: linear-gradient(90deg, var(--surface-container-low) 25%, var(--surface-container-high) 50%, var(--surface-container-low) 75%); background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: var(--radius); }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
.skeleton-text { height: 1rem; margin-bottom: var(--space-2); }
.skeleton-title { height: 2.5rem; margin-bottom: var(--space-4); width: 70%; }
.skeleton-block { height: 200px; }

/* ---------- Fade-in on scroll animation ---------- */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ---------- Hidden by default ---------- */
.hidden { display: none !important; }