/* ============================================
   MIDI School — Design System
   Modern dark theme, music production aesthetic
   ============================================ */

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

:root {
  --bg: #08080c;
  --surface: #111118;
  --surface-2: #1a1a24;
  --border: #252530;
  --border-light: #2a2a38;

  --text: #f0f0f5;
  --text-secondary: #9898a8;
  --text-muted: #65657a;

  --violet: #8b5cf6;
  --violet-dim: #7c3aed;
  --cyan: #06b6d4;
  --pink: #ec4899;
  --amber: #f59e0b;

  --gradient: linear-gradient(135deg, var(--violet), var(--cyan));
  --gradient-text: linear-gradient(135deg, var(--violet), var(--cyan), var(--pink));
  --gradient-warm: linear-gradient(135deg, var(--violet), var(--pink));
  --gradient-hero: radial-gradient(ellipse at 30% 0%, rgba(139,92,246,.15) 0%, transparent 60%),
                   radial-gradient(ellipse at 70% 0%, rgba(6,182,212,.1) 0%, transparent 50%);

  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --max-width: 1200px;
  --content-width: 800px;
  --transition: 200ms cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--violet); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--cyan); }

img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* --- Typography --- */
h1, h2, h3, h4, h5 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
}
h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.15rem; }

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--violet);
  margin-bottom: 0.75rem;
}

/* --- Layout --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.content-container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

main { flex: 1; }

section {
  padding: 5rem 0;
}

/* --- Navigation --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8,8,12,.85);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-logo .logo-icon {
  width: 28px;
  height: 28px;
  background: var(--gradient);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 900;
  color: #fff;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.nav-links a:hover { color: var(--text); }

.nav-cta {
  background: var(--gradient);
  color: #fff !important;
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.85rem;
  transition: opacity var(--transition), transform var(--transition);
}

.nav-cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  color: #fff !important;
}

.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
}

/* --- Hero --- */
.hero {
  position: relative;
  padding: 7rem 0 5rem;
  overflow: hidden;
  text-align: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
}

.hero h1 {
  margin-bottom: 1.25rem;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 2rem;
  line-height: 1.75;
}

.hero-badges {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}

.btn-group {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 0 20px rgba(139,92,246,.2);
}

.btn-primary:hover {
  opacity: 0.92;
  transform: translateY(-2px);
  box-shadow: 0 4px 24px rgba(139,92,246,.3);
  color: #fff;
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--surface-2);
  border-color: var(--border-light);
  transform: translateY(-1px);
  color: var(--text);
}

/* --- Cards --- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: all var(--transition);
}

.card:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,.3);
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.card-icon.violet { background: rgba(139,92,246,.12); color: var(--violet); }
.card-icon.cyan { background: rgba(6,182,212,.12); color: var(--cyan); }
.card-icon.pink { background: rgba(236,72,153,.12); color: var(--pink); }
.card-icon.amber { background: rgba(245,158,11,.12); color: var(--amber); }

.card h3 { margin-bottom: 0.5rem; }
.card p { color: var(--text-secondary); font-size: 0.925rem; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }

/* --- Featured As --- */
.featured-bar {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.featured-bar p {
  text-align: center;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.featured-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.featured-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-muted);
  opacity: 0.5;
  transition: opacity var(--transition);
  letter-spacing: 0.02em;
}

.featured-logo:hover { opacity: 0.8; }

/* --- Section Headers --- */
.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3rem;
}

.section-header p {
  color: var(--text-secondary);
  margin-top: 0.75rem;
}

/* --- Testimonials --- */
.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
}

.testimonial-card blockquote {
  color: var(--text-secondary);
  font-size: 0.925rem;
  font-style: italic;
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  color: #fff;
}

.testimonial-name {
  font-weight: 600;
  font-size: 0.875rem;
}

.testimonial-role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- Blog Post Card --- */
.post-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.post-card:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,.3);
}

.post-card-img {
  height: 200px;
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  overflow: hidden;
}

.post-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.post-card-body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.post-card-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.post-card-body h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
  line-height: 1.35;
}

.post-card-body p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  flex: 1;
}

.post-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--violet);
  margin-top: 1rem;
}

.post-card-link:hover { color: var(--cyan); }

/* --- Article / Prose --- */
.article-hero {
  padding: 5rem 0 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.article-hero .article-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.article-hero h1 {
  max-width: 700px;
  margin: 0 auto 1rem;
}

.article-hero .article-excerpt {
  max-width: 560px;
  margin: 0 auto;
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.prose {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

.prose h2 {
  margin: 2.5rem 0 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.prose h2:first-child { border-top: none; padding-top: 0; }

.prose h3 {
  margin: 2rem 0 0.75rem;
}

.prose p {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

.prose ul, .prose ol {
  margin: 1rem 0 1.5rem 1.25rem;
  color: var(--text-secondary);
}

.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { margin-bottom: 0.4rem; }

.prose strong { color: var(--text); font-weight: 600; }

.prose a { color: var(--violet); border-bottom: 1px solid rgba(139,92,246,.3); }
.prose a:hover { color: var(--cyan); border-color: var(--cyan); }

.prose blockquote {
  border-left: 3px solid var(--violet);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  background: var(--surface);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-secondary);
  font-style: italic;
}

/* School Info Card (for the article) */
.school-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  margin: 2rem 0;
}

.school-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.25rem;
}

.school-card .school-location {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.school-card .school-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.school-detail-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.school-detail-value {
  font-weight: 600;
  font-size: 0.9rem;
}

/* --- FAQ --- */
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 0;
}

.faq-item:last-child { border-bottom: none; }

.faq-item h4 {
  color: var(--text);
  margin-bottom: 0.5rem;
}

.faq-item p {
  color: var(--text-secondary);
  font-size: 0.925rem;
}

/* --- CTA Banner --- */
.cta-banner {
  text-align: center;
  padding: 4rem 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin: 3rem auto;
  max-width: var(--max-width);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  pointer-events: none;
}

.cta-banner > * { position: relative; }

.cta-banner h2 { margin-bottom: 0.75rem; }
.cta-banner p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0 2rem;
  margin-top: auto;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: 0.75rem;
  max-width: 280px;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.footer-col a {
  display: block;
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding: 0.3rem 0;
}

.footer-col a:hover { color: var(--text); }

.footer-bottom {
  max-width: var(--max-width);
  margin: 2rem auto 0;
  padding: 1.5rem 1.5rem 0;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- Utility --- */
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-2 { margin-bottom: 1rem; }

/* --- Page Header (for inner pages) --- */
.page-header {
  padding: 4rem 0 2.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  pointer-events: none;
}

.page-header > * { position: relative; }

.page-header p {
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0.75rem auto 0;
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  section { padding: 3rem 0; }
  .hero { padding: 4rem 0 3rem; }

  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }

  .nav-links { display: none; }
  .nav-mobile-toggle { display: block; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.5rem;
    gap: 0.75rem;
  }

  .footer-inner { grid-template-columns: 1fr; gap: 1.5rem; }
  .footer-bottom { flex-direction: column; gap: 0.75rem; text-align: center; }

  .featured-logos { gap: 1.5rem; }

  .btn-group { flex-direction: column; align-items: center; }
}