/* =========================================================
   SONORA Creative Arts Institute — design system v2
   Night-plum stage, violet→magenta for music/voice,
   amber for action and highlights.
   ========================================================= */
:root {
  --night: #0F0A1A;          /* page background */
  --night-2: #150E23;        /* alternate band */
  --surface: #1C1430;        /* cards */
  --surface-2: #261B3E;      /* raised / hover */
  --border: rgba(196, 181, 253, .14);
  --violet: #8B5CF6;
  --magenta: #D946EF;
  --lilac: #C4B5FD;
  --amber: #F5B13D;
  --amber-2: #FBBF24;
  --text: #F6F1FA;
  --text-soft: #BDB2D1;
  --text-mute: #8F84A6;
  --grad: linear-gradient(135deg, var(--violet), var(--magenta));
  --grad-amber: linear-gradient(135deg, var(--amber-2), var(--amber));

  /* tokens read by the hero canvas */
  --gold: var(--amber);
  --teal-soft: var(--lilac);
  --ivory: var(--text);

  --font-display: "Montserrat", "Noto Sans Bengali", system-ui, sans-serif;
  --font-body: "Inter", "Noto Sans Bengali", system-ui, sans-serif;
  --font-accent: "Cormorant Garamond", Georgia, serif;

  --radius: 16px;
  --section-y: clamp(64px, 9vw, 112px);
  color-scheme: dark;
}

html[lang="bn"] {
  --font-display: "Noto Sans Bengali", "Montserrat", sans-serif;
  --font-body: "Noto Sans Bengali", "Inter", sans-serif;
}

html { scroll-behavior: smooth; scroll-padding-top: 96px; background: var(--night); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--night);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
html[lang="bn"] body { line-height: 1.8; }

.container { padding-left: max(20px, env(safe-area-inset-left, 0px)); padding-right: max(20px, env(safe-area-inset-right, 0px)); max-width: 1200px; }

h1, h2, h3 { font-family: var(--font-display); color: inherit; text-wrap: balance; }
a { color: var(--lilac); }
a:hover { color: var(--amber); }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; border-radius: 6px; }
::selection { background: var(--magenta); color: #fff; }

.skip-link { position: absolute; left: -999px; top: 8px; background: var(--amber); color: var(--night); padding: 8px 14px; z-index: 2000; border-radius: 8px; }
.skip-link:focus { left: 12px; }

/* ---------- Buttons ---------- */
.btn { font-family: var(--font-display); font-weight: 700; border-radius: 12px; padding: .65rem 1.4rem; letter-spacing: .01em; border: 0; transition: transform .15s ease, box-shadow .2s ease, background .2s; }
.btn:active { transform: translateY(1px); }
.btn-lg { padding: .9rem 1.8rem; font-size: 1rem; }
.btn-gold { background: var(--grad-amber); color: #1A1022; box-shadow: 0 10px 30px -12px rgba(245,177,61,.7); }
.btn-gold:hover, .btn-gold:focus-visible { color: #1A1022; box-shadow: 0 14px 36px -10px rgba(245,177,61,.85); transform: translateY(-1px); }
.btn-violet { background: var(--grad); color: #fff; box-shadow: 0 10px 30px -12px rgba(217,70,239,.8); }
.btn-violet:hover, .btn-violet:focus-visible { color: #fff; box-shadow: 0 14px 36px -10px rgba(217,70,239,.95); transform: translateY(-1px); }
.btn-outline-ivory { color: var(--text); background: rgba(255,255,255,.04); border: 1px solid var(--border); }
.btn-outline-ivory:hover { background: rgba(255,255,255,.09); color: var(--text); }

/* ---------- Eyebrows & section heads ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--font-display); font-weight: 600; font-size: .76rem;
  letter-spacing: .2em; text-transform: uppercase; color: var(--amber); margin-bottom: .9rem;
}
.eyebrow::before { content: ""; width: 18px; height: 2px; border-radius: 2px; background: var(--grad); }
html[lang="bn"] .eyebrow { letter-spacing: .02em; font-size: .9rem; }
.eyebrow--light { color: var(--amber); }

.section { padding-block: var(--section-y); position: relative; }
.section--sand { background: var(--night-2); }
.section--navy {
  background:
    radial-gradient(900px 400px at 10% 0%, rgba(139,92,246,.22), transparent 60%),
    radial-gradient(700px 360px at 95% 100%, rgba(217,70,239,.16), transparent 60%),
    var(--night-2);
}
.section-head { max-width: 680px; margin-bottom: 2.5rem; }
.section-head--split { max-width: none; display: grid; grid-template-columns: 1fr; gap: 1rem 3rem; align-items: end; }
@media (min-width: 992px) { .section-head--split { grid-template-columns: 1fr 1fr; } }
.section-title { font-size: clamp(1.8rem, 3.6vw, 2.7rem); font-weight: 800; line-height: 1.15; margin-bottom: 1rem; color: var(--text); letter-spacing: -.01em; }
html[lang="bn"] .section-title { font-weight: 700; line-height: 1.35; letter-spacing: 0; }
.section-lead { font-size: 1.075rem; color: var(--text-soft); max-width: 62ch; margin: 0; }

/* ---------- Header (floating glass bar) ---------- */
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); background: var(--night); z-index: 1031; }
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 1030; padding-top: 14px; }
.site-header .navbar { padding: 0; }
.site-header .container { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  background: rgba(28, 20, 48, .72); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border); border-radius: 18px; padding-block: .6rem;
  max-width: min(1200px, calc(100% - 24px)); transition: box-shadow .2s;
}
.site-header.is-scrolled .container { box-shadow: 0 18px 40px -20px rgba(0,0,0,.8); }

.brand { display: inline-flex; align-items: center; gap: .65rem; text-decoration: none; color: var(--text); }
.brand:hover { color: var(--text); }
.brand img { flex: none; }
.brand__text { display: flex; flex-direction: column; line-height: 1; }
.brand__name { font-family: "Montserrat", sans-serif; font-weight: 800; letter-spacing: .14em; font-size: 1.12rem; }
.brand__sub { font-family: "Montserrat", sans-serif; font-weight: 600; font-size: .56rem; letter-spacing: .24em; text-transform: uppercase; margin-top: .32rem; color: var(--text-mute); }
.brand--light { color: var(--text); }

.header-tools { display: flex; align-items: center; gap: .75rem; order: 2; }
@media (min-width: 992px) { .header-tools { order: 3; margin-left: 1rem; } .navbar-collapse { order: 2; } }

.lang-switch { display: inline-flex; align-items: center; gap: .15rem; font-family: "Montserrat", "Noto Sans Bengali", sans-serif; font-size: .85rem; color: var(--text-mute); }
.lang-switch button { background: none; border: 0; padding: .35rem .55rem; border-radius: 8px; color: inherit; font-weight: 600; cursor: pointer; min-height: 36px; }
.lang-switch button[lang="bn"] { font-family: "Noto Sans Bengali", sans-serif; }
.lang-switch button.is-active { color: #1A1022; background: var(--amber); }
.lang-switch button:not(.is-active):hover { color: var(--text); }

.navbar-toggler { border: 0; padding: .55rem .4rem; display: inline-flex; flex-direction: column; gap: 4px; box-shadow: none !important; }
.toggler-bar { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; }

.navbar-nav .nav-link { font-family: var(--font-display); font-weight: 500; font-size: .92rem; color: var(--text-soft); padding: .5rem .7rem !important; }
.navbar-nav .nav-link:hover, .navbar-nav .nav-link:focus-visible { color: var(--amber); }
.nav-cta { margin-left: .75rem; padding: .55rem 1.1rem; }
@media (max-width: 991.98px) {
  .navbar-collapse { order: 3; width: 100%; }
  .navbar-nav { padding-top: .75rem; border-top: 1px solid var(--border); margin-top: .7rem; }
  .navbar-nav .nav-link { padding: .7rem 0 !important; font-size: 1rem; }
  .nav-cta { margin: .75rem 0 .5rem; width: 100%; }
}
@media (min-width: 992px) and (max-width: 1199.98px) {
  .navbar-nav .nav-link { padding: .5rem .42rem !important; font-size: .84rem; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; margin-top: -86px; padding-top: calc(86px + clamp(56px, 8vw, 104px));
  background:
    radial-gradient(800px 520px at 82% 18%, rgba(139,92,246,.35), transparent 62%),
    radial-gradient(600px 420px at 70% 60%, rgba(217,70,239,.18), transparent 60%),
    radial-gradient(500px 300px at 10% 100%, rgba(245,177,61,.10), transparent 60%),
    var(--night);
}
.hero__inner { max-width: 1200px; }
.hero__title {
  font-family: "Montserrat", sans-serif; font-weight: 800;
  font-size: clamp(2.6rem, 7vw, 5.6rem); line-height: 1.02; letter-spacing: -.025em;
  max-width: 13ch; margin: 0 0 1.5rem;
}
.hero__accent {
  font-family: var(--font-accent); font-style: italic; font-weight: 500; letter-spacing: 0;
  background: linear-gradient(100deg, #F0ABFC 0%, var(--magenta) 45%, var(--violet) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent; padding-right: .08em;
  font-size: 1.12em;
}
html[lang="bn"] .hero__title { font-family: "Noto Sans Bengali", sans-serif; font-weight: 700; line-height: 1.3; letter-spacing: 0; max-width: 16ch; font-size: clamp(2.2rem, 6vw, 4.6rem); }
html[lang="bn"] .hero__accent { font-family: "Noto Sans Bengali", sans-serif; font-style: normal; font-weight: 700; font-size: 1em; }
.hero__lead { font-size: clamp(1.05rem, 1.6vw, 1.2rem); max-width: 60ch; color: var(--text-soft); margin-bottom: 2rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .75rem; }

.hero__strings { position: relative; margin-top: clamp(40px, 6vw, 72px); }
#hero-strings { display: block; width: 100%; height: 150px; touch-action: pan-y; cursor: crosshair; }
.strings-caption {
  position: absolute; right: max(20px, env(safe-area-inset-right, 0px)); bottom: -6px;
  font-family: var(--font-accent); font-style: italic; font-size: 1.1rem; color: var(--amber);
}
html[lang="bn"] .strings-caption { font-family: "Noto Sans Bengali", sans-serif; font-style: normal; font-size: .9rem; }

.hero-facts {
  list-style: none; margin: 2.5rem 0 0; padding: 1.75rem 0 2.75rem;
  border-top: 1px solid var(--border);
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem;
}
@media (min-width: 768px) { .hero-facts { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.hero-facts li { display: flex; flex-direction: column; gap: .2rem; min-width: 0; }
.hero-facts strong { font-family: var(--font-display); font-size: 1.3rem; color: var(--amber); font-weight: 800; }
.hero-facts span { font-size: .9rem; color: var(--text-mute); }

/* ---------- Approach pillars ---------- */
.pillars { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 640px) { .pillars { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.pillar { padding: 1.4rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); min-width: 0; transition: border-color .2s, background .2s; }
.pillar:hover { border-color: rgba(217,70,239,.45); background: var(--surface-2); }
.pillar__icon { width: 44px; height: 44px; padding: 9px; border-radius: 12px; background: rgba(139,92,246,.16); fill: none; stroke: var(--lilac); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; margin-bottom: .9rem; }
.pillar h3 { font-size: 1.1rem; font-weight: 700; color: var(--text); margin-bottom: .35rem; }
.pillar p { margin: 0; color: var(--text-soft); font-size: .95rem; }

/* ---------- Learning cycle ---------- */
.cycle { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr; gap: 0; }
@media (min-width: 640px) { .cycle { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 992px) { .cycle { grid-template-columns: repeat(6, minmax(0, 1fr)); } }
.cycle li { position: relative; padding: 1.25rem 1.1rem 1.25rem 0; border-top: 2px solid transparent; border-image: var(--grad) 1; min-width: 0; }
@media (min-width: 992px) {
  .cycle li { padding-top: 2.4rem; }
  .cycle li::before { content: ""; position: absolute; top: -8px; left: 0; width: 14px; height: 14px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 0 4px var(--night-2), 0 0 18px rgba(245,177,61,.7); }
}
.cycle__n { font-family: "Montserrat", sans-serif; font-weight: 800; font-size: .8rem; color: var(--amber); letter-spacing: .1em; }
.cycle h3 { font-size: 1.08rem; font-weight: 700; color: var(--text); margin: .25rem 0 .35rem; }
.cycle p { margin: 0; font-size: .93rem; color: var(--text-soft); }
.cycle-loop { margin: 2rem 0 0; font-family: var(--font-display); font-weight: 600; color: var(--lilac); font-size: .98rem; }

/* ---------- Programmes ---------- */
.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.75rem; }
.filter-chip {
  border: 1px solid var(--border); background: rgba(255,255,255,.03); color: var(--text-soft);
  border-radius: 999px; padding: .5rem 1rem; font-family: var(--font-display); font-weight: 600; font-size: .88rem; cursor: pointer; min-height: 40px;
}
.filter-chip:hover { color: var(--text); border-color: rgba(196,181,253,.4); }
.filter-chip.is-active { background: var(--grad); color: #fff; border-color: transparent; }

.course-grid { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
@media (min-width: 640px) { .course-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .course-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

.course-card {
  --dept: var(--violet);
  position: relative; display: flex; flex-direction: column; gap: .75rem; min-width: 0;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.5rem 1.5rem 1.25rem; overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s;
}
.course-card::before { content: ""; position: absolute; inset: 0 0 auto; height: 3px; background: var(--dept); }
.course-card:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--dept) 55%, transparent); box-shadow: 0 24px 50px -30px color-mix(in srgb, var(--dept) 80%, transparent); }
.dept-vocal { --dept: var(--magenta); }
.dept-instrumental { --dept: var(--amber); }
.dept-speech { --dept: var(--violet); }
.dept-media { --dept: #38BDF8; }
.course-card.is-upcoming { background: rgba(28,20,48,.5); }

.course-card__head { display: flex; justify-content: space-between; align-items: center; gap: .5rem; flex-wrap: wrap; }
.course-dept { font-family: var(--font-display); font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--dept); }
html[lang="bn"] .course-dept { letter-spacing: 0; font-size: .85rem; }
.status-chip { font-size: .74rem; font-weight: 600; border-radius: 999px; padding: .22rem .65rem; white-space: nowrap; }
.status-open { background: rgba(245,177,61,.16); color: var(--amber-2); }
.status-soon { background: rgba(255,255,255,.06); color: var(--text-mute); }

.course-title { font-size: 1.25rem; font-weight: 700; color: var(--text); margin: 0; line-height: 1.3; }
.course-summary { margin: 0; color: var(--text-soft); font-size: .95rem; }
.course-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .5rem; margin: .25rem 0 0; padding-top: .9rem; border-top: 1px dashed var(--border); }
.course-facts dt { font-size: .7rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--text-mute); }
html[lang="bn"] .course-facts dt { text-transform: none; letter-spacing: 0; font-size: .8rem; }
.course-facts dd { margin: 0; font-size: .88rem; font-weight: 600; color: var(--text); }
.course-tbd { margin: .25rem 0 0; padding-top: .9rem; border-top: 1px dashed var(--border); font-size: .88rem; color: var(--text-mute); }
.course-link { margin-top: auto; padding-top: .5rem; display: inline-flex; align-items: center; gap: .4rem; font-family: var(--font-display); font-weight: 700; font-size: .92rem; color: var(--text); text-decoration: none; }
.course-link:hover { color: var(--amber); }
.course-link svg { transition: transform .2s; }
.course-link:hover svg { transform: translateX(3px); }

/* ---------- Audience ---------- */
.audience { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 640px) { .audience { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 992px) { .audience { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.audience__item { border: 1px solid var(--border); background: rgba(15,10,26,.55); border-radius: var(--radius); padding: 1.4rem; min-width: 0; }
.audience__item h3 { font-size: 1.15rem; font-weight: 700; color: var(--amber); }
.audience__item p { margin: 0; color: var(--text-soft); font-size: .95rem; }

/* ---------- Trainers ---------- */
.trainer-note { font-family: var(--font-accent); font-style: italic; font-size: 1.25rem; color: var(--lilac); margin: 0; }
html[lang="bn"] .trainer-note { font-family: var(--font-body); font-style: normal; font-size: 1rem; }
.standards { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 768px) { .standards { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.standards > div { border-top: 2px solid transparent; border-image: var(--grad) 1; padding-top: 1rem; min-width: 0; }
.standards h3 { font-size: 1.08rem; font-weight: 700; color: var(--text); }
.standards p { margin: 0; color: var(--text-soft); font-size: .95rem; }

/* ---------- Admissions journey ---------- */
.journey { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr; gap: 1rem; counter-reset: step; }
@media (min-width: 640px) { .journey { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 992px) { .journey { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.journey li { counter-increment: step; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem 1.25rem 1.25rem 4.1rem; position: relative; min-width: 0; }
.journey li::before {
  content: counter(step); position: absolute; left: 1.2rem; top: 1.2rem;
  width: 2.1rem; height: 2.1rem; border-radius: 10px; display: grid; place-items: center;
  background: var(--grad); color: #fff; font-family: "Montserrat", sans-serif; font-weight: 800; font-size: .9rem;
}
.journey h3 { font-size: 1.05rem; font-weight: 700; color: var(--text); margin-bottom: .2rem; }
.journey p { margin: 0; font-size: .93rem; color: var(--text-soft); }

/* ---------- CTA band ---------- */
.cta-band { padding-block: clamp(40px, 6vw, 72px); background: var(--night); }
.cta-band__inner {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem 3rem;
  border-radius: 24px; padding-block: clamp(32px, 5vw, 56px);
  background:
    radial-gradient(500px 240px at 100% 0%, rgba(245,177,61,.25), transparent 60%),
    linear-gradient(120deg, #4C1D95 0%, #7E22CE 55%, #A21CAF 100%);
  box-shadow: 0 30px 80px -40px rgba(217,70,239,.8);
}
.cta-band h2 { font-size: clamp(1.6rem, 3.2vw, 2.4rem); font-weight: 800; margin-bottom: .5rem; max-width: 22ch; color: #fff; }
html[lang="bn"] .cta-band h2 { font-weight: 700; }
.cta-band p { margin: 0; color: rgba(255,255,255,.85); max-width: 52ch; }
.cta-band__actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.cta-band .btn-outline-ivory { border-color: rgba(255,255,255,.35); }

/* ---------- Footer ---------- */
.site-footer { background: #0A0712; color: var(--text-soft); padding-block: 64px 32px; border-top: 1px solid var(--border); }
.footer-tagline { font-family: var(--font-accent); font-style: italic; font-size: 1.3rem; color: var(--amber); margin: 1rem 0 .5rem; }
.footer-about { font-size: .93rem; max-width: 40ch; }
.footer-h { font-family: var(--font-display); font-size: .78rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--text); margin-bottom: 1rem; }
html[lang="bn"] .footer-h { letter-spacing: 0; font-size: .95rem; }
.footer-links, .footer-contact { list-style: none; padding: 0; margin: 0; display: grid; gap: .5rem; font-size: .93rem; }
.footer-links a { color: var(--text-soft); text-decoration: none; }
.footer-links a:hover { color: var(--amber); }
.lang-switch--footer { margin-top: 1.25rem; }
.footer-copy { margin: 3rem 0 0; padding-top: 1.5rem; border-top: 1px solid var(--border); font-size: .85rem; color: var(--text-mute); }

/* ---------- Small phones ---------- */
@media (max-width: 420px) {
  .container { padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
  .site-header .container { max-width: calc(100% - 16px); }
  .brand { gap: .5rem; }
  .brand img { width: 34px; height: 34px; }
  .brand__name { font-size: 1rem; letter-spacing: .1em; }
  .brand__sub { font-size: .48rem; letter-spacing: .12em; }
  .header-tools { gap: .25rem; }
  .lang-switch button { padding: .3rem .35rem; }
}

/* ---------- Course card links (v3) ---------- */
.course-title__link { color: inherit; text-decoration: none; }
.course-title__link::after { content: ""; position: absolute; inset: 0; z-index: 1; } /* whole card opens the course page */
.course-title__link:hover { color: var(--text); }
.course-actions { margin-top: auto; padding-top: .5rem; display: flex; align-items: center; justify-content: space-between; gap: .75rem; flex-wrap: wrap; }
.course-actions .course-link { margin-top: 0; padding-top: 0; }
.course-apply { position: relative; z-index: 2; font-size: .85rem; font-weight: 600; color: var(--amber); text-decoration: none; border: 1px solid rgba(245,177,61,.4); border-radius: 999px; padding: .35rem .8rem; }
.course-apply:hover { background: rgba(245,177,61,.12); color: var(--amber-2); }
.course-card:hover .course-link { color: var(--amber); }