/* ============================================
   PROJECT 520 DANCE STUDIO — DESIGN SYSTEM
   ============================================ */

:root {
  --ink: #121016;
  --ink-soft: #1E1B24;
  --cream: #FBF7F1;
  --cream-dim: #F3ECE1;
  --charcoal: #3A3640;
  --muted: #746E7A;
  --gold: #C9A24B;
  --gold-light: #E4C77E;
  --coral: #FF5C77;
  --coral-dark: #E8455F;
  --line: rgba(18,16,22,0.09);
  --line-light: rgba(255,255,255,0.14);
  --shadow: 0 20px 50px rgba(18,16,22,0.14);
  --shadow-sm: 0 8px 24px rgba(18,16,22,0.10);
  --radius: 18px;
  --radius-sm: 10px;
  --container: 1180px;
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--charcoal);
  background: var(--cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.6rem, 5.5vw, 4.6rem); font-weight: 500; }
h2 { font-size: clamp(2rem, 3.6vw, 3rem); }
h3 { font-size: clamp(1.3rem, 2.2vw, 1.7rem); }

p { margin: 0 0 1em; color: var(--charcoal); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: '';
  width: 26px;
  height: 1px;
  background: var(--gold);
}

.lede {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 620px;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

section { position: relative; }
.section-pad { padding: 110px 0; }
.section-pad-sm { padding: 70px 0; }

.bg-ink { background: var(--ink); color: var(--cream); }
.bg-ink h2, .bg-ink h3, .bg-ink p { color: var(--cream); }
.bg-ink .lede { color: rgba(251,247,241,0.68); }
.bg-dim { background: var(--cream-dim); }

.center { text-align: center; margin-left: auto; margin-right: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 30px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--coral), var(--coral-dark));
  color: #fff;
  box-shadow: 0 10px 24px rgba(232,69,95,0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 32px rgba(232,69,95,0.42); }
.btn-outline {
  background: transparent;
  border-color: currentColor;
  color: inherit;
}
.btn-outline:hover { background: rgba(255,255,255,0.1); transform: translateY(-2px); }
.bg-cream .btn-outline, .bg-dim .btn-outline { border-color: var(--ink); }
.bg-cream .btn-outline:hover, .bg-dim .btn-outline:hover { background: var(--ink); color: var(--cream); }
.btn-gold {
  background: var(--gold);
  color: var(--ink);
}
.btn-gold:hover { transform: translateY(-2px); background: var(--gold-light); }
.btn-row { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-sm { padding: 12px 22px; font-size: 0.85rem; }

/* ---------- Navigation ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  padding: 22px 0;
  transition: background 0.35s ease, padding 0.35s ease, box-shadow 0.35s ease;
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; }
.site-header.is-scrolled {
  background: rgba(18,16,22,0.92);
  backdrop-filter: blur(10px);
  padding: 14px 0;
  box-shadow: 0 6px 24px rgba(0,0,0,0.18);
}
.brand {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--cream);
  font-weight: 600;
  letter-spacing: 0.01em;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.brand span { color: var(--gold); }

.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links a {
  color: rgba(251,247,241,0.86);
  font-size: 0.92rem;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
}
.nav-links a:hover { color: var(--cream); }
.nav-links a.active { color: var(--gold); }
.nav-cta { margin-left: 8px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 600;
}
.nav-toggle span { width: 26px; height: 2px; background: var(--cream); border-radius: 2px; transition: 0.3s; }

.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--ink);
  z-index: 550;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  transform: translateY(-100%);
  transition: transform 0.4s ease;
}
.mobile-menu.open { transform: translateY(0); }
.mobile-menu a { color: var(--cream); font-family: var(--font-display); font-size: 1.7rem; }
.mobile-menu a.active { color: var(--gold); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  color: #fff;
  background-size: cover;
  background-position: center;
  padding-bottom: 110px;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(18,16,22,0.35) 0%, rgba(18,16,22,0.55) 55%, rgba(18,16,22,0.92) 100%);
}
.hero .container { position: relative; z-index: 2; }
.hero-inner { max-width: 720px; }
.hero h1 { color: #fff; margin-bottom: 20px; }
.hero .lede { color: rgba(255,255,255,0.85); font-size: 1.2rem; margin-bottom: 34px; }

.page-hero {
  min-height: 58vh;
  padding-bottom: 80px;
}

.scroll-cue {
  position: absolute;
  bottom: 34px; left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: rgba(255,255,255,0.75);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.scroll-cue::after {
  content: '';
  width: 1px; height: 34px;
  background: rgba(255,255,255,0.5);
  animation: scrollpulse 1.8s ease-in-out infinite;
}
@keyframes scrollpulse { 0%,100%{ opacity: 0.3;} 50%{ opacity: 1;} }

/* ---------- Trust strip ---------- */
.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 36px;
  margin-top: -60px;
  position: relative;
  z-index: 3;
  background: var(--cream);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 46px 40px;
}
.trust-item { text-align: left; }
.trust-item .num { font-family: var(--font-display); font-size: 1.9rem; color: var(--gold); display: block; margin-bottom: 8px;}
.trust-item h4 { font-size: 1.05rem; margin-bottom: 6px; }
.trust-item p { font-size: 0.92rem; color: var(--muted); margin: 0; }

/* ---------- Grids / Cards ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }

.section-head { max-width: 640px; margin-bottom: 56px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.class-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 3/4;
  box-shadow: var(--shadow-sm);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.class-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.class-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.class-card:hover img { transform: scale(1.06); }
.class-card::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(18,16,22,0) 40%, rgba(18,16,22,0.88) 100%);
}
.class-card-label {
  position: absolute; left: 22px; right: 22px; bottom: 20px; z-index: 2;
  color: #fff;
}
.class-card-label .tag {
  font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold-light); font-weight: 700; display:block; margin-bottom: 4px;
}
.class-card-label h4 { color: #fff; margin: 0; font-size: 1.2rem; }

.feature-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 30px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.feature-card .icon {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  font-size: 1.3rem;
}

.pillar {
  display: flex;
  gap: 20px;
  padding: 26px 0;
  border-top: 1px solid var(--line);
}
.pillar:last-child { border-bottom: 1px solid var(--line); }
.pillar .idx { font-family: var(--font-display); font-size: 1.6rem; color: var(--gold); min-width: 46px; }

.image-frame {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.image-frame img { width: 100%; height: 100%; object-fit: cover; }

/* Testimonials */
.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.testimonial-card {
  background: rgba(251,247,241,0.05);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  padding: 34px 30px;
}
.testimonial-card .stars { color: var(--gold); letter-spacing: 3px; margin-bottom: 16px; }
.testimonial-card p { color: rgba(251,247,241,0.85); font-size: 1rem; }
.testimonial-card .who { color: var(--gold-light); font-size: 0.85rem; font-weight: 600; margin-top: 16px; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.step { text-align: center; }
.step .step-num {
  width: 54px; height: 54px; margin: 0 auto 18px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 1.3rem; color: var(--gold);
}

/* Tables */
.table-wrap { overflow-x: auto; border-radius: var(--radius); box-shadow: var(--shadow-sm); background: #fff; }
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; min-width: 640px; }
th, td { text-align: left; padding: 18px 22px; border-bottom: 1px solid var(--line); }
th { font-family: var(--font-body); text-transform: uppercase; font-size: 0.72rem; letter-spacing: 0.1em; color: var(--muted); font-weight: 700; background: var(--cream-dim); }
tr:last-child td { border-bottom: none; }
td strong { color: var(--ink); }

/* FAQ */
.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 26px 0;
}
.faq-item h4 { display: flex; justify-content: space-between; align-items: center; cursor: pointer; margin: 0; font-size: 1.05rem; font-family: var(--font-body); font-weight: 600;}
.faq-item .plus { font-family: var(--font-display); font-size: 1.4rem; color: var(--gold); transition: transform 0.3s ease; }
.faq-item.open .plus { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-item.open .faq-answer { max-height: 300px; }
.faq-answer p { padding-top: 14px; color: var(--muted); }

/* Form */
.form-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 46px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.form-field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.form-field label { font-size: 0.82rem; font-weight: 600; color: var(--charcoal); }
.form-field input, .form-field select, .form-field textarea {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--cream-dim);
  color: var(--ink);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none; border-color: var(--gold); background: #fff;
}
.form-field textarea { resize: vertical; min-height: 120px; }

.info-list { display: flex; flex-direction: column; gap: 22px; }
.info-list .info-item { display: flex; gap: 16px; }
.info-list .info-item .ico {
  width: 42px; height: 42px; border-radius: 50%; background: var(--ink); color: var(--gold);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 1.05rem;
}
.info-list .info-item h4 { margin: 0 0 4px; font-size: 1rem; }
.info-list .info-item p { margin: 0; color: var(--muted); font-size: 0.92rem; }

.map-frame { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }

/* CTA band */
.cta-band {
  background: linear-gradient(120deg, var(--ink) 0%, #22101a 100%);
  border-radius: var(--radius);
  padding: 70px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-band h2 { color: #fff; }
.cta-band .lede { color: rgba(251,247,241,0.72); margin-left: auto; margin-right: auto; }

/* Footer */
.site-footer { background: var(--ink); color: rgba(251,247,241,0.75); padding: 80px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 60px; }
.footer-grid h4 { color: var(--cream); font-family: var(--font-body); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 20px; }
.footer-grid ul li { margin-bottom: 12px; }
.footer-grid a { color: rgba(251,247,241,0.68); font-size: 0.92rem; }
.footer-grid a:hover { color: var(--gold); }
.footer-brand p { color: rgba(251,247,241,0.6); max-width: 280px; font-size: 0.92rem; }
.footer-social { display: flex; gap: 14px; margin-top: 20px; }
.footer-social a {
  width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--line-light);
  display: flex; align-items: center; justify-content: center; font-size: 0.9rem;
}
.footer-social a:hover { background: var(--gold); border-color: var(--gold); color: var(--ink); }
.footer-bottom {
  border-top: 1px solid var(--line-light);
  padding-top: 26px;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
  font-size: 0.82rem; color: rgba(251,247,241,0.5);
}

/* Sticky mobile CTA */
.sticky-cta {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 400;
  background: var(--ink);
  padding: 14px 20px;
  display: none;
  box-shadow: 0 -8px 24px rgba(0,0,0,0.25);
}
.sticky-cta .btn { width: 100%; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* Schedule grid */
.schedule-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.schedule-day { background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:26px 24px; box-shadow:var(--shadow-sm); }
.schedule-day h3 { margin-bottom:16px; padding-bottom:14px; border-bottom:2px solid var(--gold); }
.schedule-row { display:flex; justify-content:space-between; align-items:baseline; gap:10px; padding:11px 0; border-bottom:1px solid var(--line); }
.schedule-row:last-child { border-bottom:none; }
.schedule-row .cls { font-weight:600; color:var(--ink); font-size:0.93rem; display:flex; align-items:center; gap:8px; }
.schedule-row .dot { width:9px; height:9px; border-radius:50%; flex-shrink:0; }
.schedule-row .time { color:var(--muted); white-space:nowrap; font-size:0.82rem; text-align:right; }
.schedule-legend { display:flex; flex-wrap:wrap; gap:14px 22px; }
.schedule-legend .item { display:flex; align-items:center; gap:8px; font-size:0.85rem; color:var(--muted); }
.schedule-legend .dot { width:11px; height:11px; border-radius:50%; }

@media (max-width: 980px) {
  .schedule-grid { grid-template-columns:repeat(2,1fr); }
}
@media (max-width: 640px) {
  .schedule-grid { grid-template-columns:1fr; }
}

/* Badge list (program pills) */
.pill-row { display: flex; flex-wrap: wrap; gap: 12px; }
.pill {
  padding: 10px 20px; border-radius: 999px; border: 1px solid var(--line);
  font-size: 0.88rem; font-weight: 600; color: var(--charcoal);
}
.bg-ink .pill { border-color: var(--line-light); color: rgba(251,247,241,0.85); }

/* ============ Responsive ============ */
@media (max-width: 980px) {
  .grid-2 { grid-template-columns: 1fr; gap: 40px; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .trust-strip { grid-template-columns: repeat(2, 1fr); }
  .testimonial-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 34px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .cta-band { padding: 50px 28px; }
}

@media (max-width: 640px) {
  .container { padding: 0 22px; }
  .section-pad { padding: 74px 0; }
  .trust-strip { grid-template-columns: 1fr; padding: 30px 26px; margin-top: -40px;}
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .form-row { grid-template-columns: 1fr; }
  .sticky-cta { display: block; }
  body { padding-bottom: 74px; }
  .hero { min-height: 92vh; }
}