/* ============================================================
   ChiaTech Summer Bootcamp — Design System
   Premium Dark-Mode PWA Portal
   v1.0.0 | 2026 ChiaTech Solutions & Resources Ltd
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Inter:wght@300;400;500;600&display=swap');

/* ──────────────── DESIGN TOKENS ──────────────── */
:root {
  /* Brand Palette */
  --clr-bg:          #080c1a;
  --clr-bg-2:        #0d1221;
  --clr-bg-card:     rgba(255,255,255,0.04);
  --clr-bg-card-hov: rgba(255,255,255,0.07);
  --clr-border:      rgba(255,255,255,0.08);
  --clr-border-hov:  rgba(245,166,35,0.35);

  --clr-gold:        #f5a623;
  --clr-gold-dim:    #c9861c;
  --clr-gold-glow:   rgba(245,166,35,0.15);
  --clr-green:       #00d4a0;
  --clr-green-dim:   #009f78;
  --clr-green-glow:  rgba(0,212,160,0.12);
  --clr-purple:      #7c5cfc;
  --clr-purple-dim:  #5a3fd4;
  --clr-red:         #ff5a5f;
  --clr-blue:        #4fa3e3;

  /* Text */
  --clr-txt:         #e8edf5;
  --clr-txt-muted:   #8895b3;
  --clr-txt-faint:   #4a5670;

  /* Gradients */
  --grad-gold:   linear-gradient(135deg, #f5a623 0%, #e67e22 100%);
  --grad-green:  linear-gradient(135deg, #00d4a0 0%, #00a878 100%);
  --grad-purple: linear-gradient(135deg, #7c5cfc 0%, #5a3fd4 100%);
  --grad-hero:   linear-gradient(135deg, #080c1a 0%, #0f1b3d 50%, #0d2b1a 100%);
  --grad-glass:  linear-gradient(135deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.02) 100%);

  /* Typography */
  --ff-head: 'Outfit', system-ui, sans-serif;
  --ff-body: 'Inter', system-ui, sans-serif;
  --fs-xs:   0.75rem;
  --fs-sm:   0.875rem;
  --fs-md:   1rem;
  --fs-lg:   1.125rem;
  --fs-xl:   1.375rem;
  --fs-2xl:  1.75rem;
  --fs-3xl:  2.25rem;
  --fs-4xl:  3rem;
  --fs-5xl:  4rem;

  /* Spacing */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.25rem;
  --sp-6: 1.5rem;
  --sp-8: 2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;
  --sp-16: 4rem;
  --sp-20: 5rem;
  --sp-24: 6rem;

  /* Radii */
  --r-sm:  0.375rem;
  --r-md:  0.75rem;
  --r-lg:  1rem;
  --r-xl:  1.5rem;
  --r-2xl: 2rem;
  --r-full: 9999px;

  /* Shadows */
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.4);
  --shadow-md:   0 4px 20px rgba(0,0,0,0.5);
  --shadow-lg:   0 8px 40px rgba(0,0,0,0.6);
  --shadow-gold: 0 0 30px rgba(245,166,35,0.25);
  --shadow-green:0 0 30px rgba(0,212,160,0.2);

  /* Transitions */
  --ease: cubic-bezier(0.25,0.46,0.45,0.94);
  --tr-fast: 150ms var(--ease);
  --tr-md:   250ms var(--ease);
  --tr-slow: 400ms var(--ease);

  /* Layout */
  --max-w: 1280px;
  --header-h: 68px;
}

/* ──────────────── RESET ──────────────── */
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; font-size:16px; }
body {
  font-family: var(--ff-body);
  background: var(--clr-bg);
  color: var(--clr-txt);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { display:block; max-width:100%; }
a { color: var(--clr-gold); text-decoration:none; transition: color var(--tr-fast); }
a:hover { color: var(--clr-gold-dim); }
button { font-family: var(--ff-body); cursor:pointer; border:none; background:none; }
input, select, textarea { font-family: var(--ff-body); }
ul, ol { list-style:none; }
.skip-link { position:absolute; top:-100%; left:var(--sp-4); z-index:999; }
.skip-link:focus { top:var(--sp-2); }

/* ──────────────── SCROLLBAR ──────────────── */
::-webkit-scrollbar { width:6px; height:6px; }
::-webkit-scrollbar-track { background:var(--clr-bg-2); }
::-webkit-scrollbar-thumb { background:rgba(245,166,35,0.3); border-radius:var(--r-full); }
::-webkit-scrollbar-thumb:hover { background:var(--clr-gold); }

/* ──────────────── UTILITY ──────────────── */
.hidden { display:none !important; }
.sr-only { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; }
.eyebrow {
  font-family: var(--ff-head);
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--clr-gold);
}
.text-muted { color: var(--clr-txt-muted); }
.text-green { color: var(--clr-green); }
.text-gold  { color: var(--clr-gold); }
.text-red   { color: var(--clr-red); }
.fw-700 { font-weight:700; }
.container { max-width:var(--max-w); margin:0 auto; padding:0 var(--sp-6); }

/* ──────────────── HEADER ──────────────── */
.site-header {
  position: fixed;
  top:0; left:0; right:0;
  z-index: 900;
  height: var(--header-h);
  background: rgba(8,12,26,0.88);
  backdrop-filter: blur(20px) saturate(1.8);
  -webkit-backdrop-filter: blur(20px) saturate(1.8);
  border-bottom: 1px solid var(--clr-border);
  display:flex; align-items:center;
}
.site-header .container {
  display:flex; align-items:center; justify-content:space-between;
  width:100%; gap:var(--sp-4);
}
.brand-lockup {
  display:flex; align-items:center; gap:var(--sp-3);
  text-decoration:none;
}
.brand-logo {
  height:42px; width:auto; border-radius:var(--r-sm);
}
.brand-copy h1 {
  font-family: var(--ff-head);
  font-size: var(--fs-md);
  font-weight: 800;
  color: var(--clr-txt);
  line-height:1.2;
}
.brand-copy .tagline {
  font-size: var(--fs-xs);
  color: var(--clr-gold);
  font-weight:600;
}
.header-actions {
  display:flex; align-items:center; gap:var(--sp-3);
}
#sessionPill {
  font-size: var(--fs-xs);
  font-weight:600;
  padding: var(--sp-1) var(--sp-3);
  background: var(--clr-gold-glow);
  border: 1px solid rgba(245,166,35,0.3);
  border-radius: var(--r-full);
  color: var(--clr-gold);
}
#sessionPill.verified { background:var(--clr-green-glow); border-color:rgba(0,212,160,0.3); color:var(--clr-green); }

/* ──────────────── NAVIGATION ──────────────── */
.top-nav {
  position:fixed;
  top: var(--header-h); left:0; right:0;
  z-index:800;
  background: rgba(13,18,33,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-border);
  display:flex; align-items:center; gap:0;
  overflow-x:auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width:none;
}
.top-nav::-webkit-scrollbar { display:none; }
.nav-btn {
  flex-shrink:0;
  padding: var(--sp-3) var(--sp-5);
  font-size: var(--fs-sm);
  font-weight:600;
  color: var(--clr-txt-muted);
  border-bottom: 2px solid transparent;
  transition: all var(--tr-fast);
  white-space:nowrap;
}
.nav-btn:hover { color:var(--clr-txt); }
.nav-btn.is-active {
  color: var(--clr-gold);
  border-bottom-color: var(--clr-gold);
}

/* ──────────────── MAIN ──────────────── */
main {
  padding-top: calc(var(--header-h) + 46px);
  min-height: 100vh;
}

/* ──────────────── VIEWS ──────────────── */
.view { display:none; animation: fadeSlideUp 0.35s var(--ease) both; }
.view.is-active { display:block; }

@keyframes fadeSlideUp {
  from { opacity:0; transform:translateY(18px); }
  to   { opacity:1; transform:translateY(0); }
}

/* ──────────────── HERO SECTION ──────────────── */
.hero {
  position:relative;
  min-height: calc(100vh - var(--header-h) - 46px);
  display:flex; align-items:center;
  background: var(--grad-hero);
  overflow:hidden;
}
.hero-bg {
  position:absolute; inset:0;
  background:
    linear-gradient(90deg, rgba(8,12,26,0.94) 0%, rgba(8,12,26,0.74) 45%, rgba(8,12,26,0.9) 100%),
    url("../assets/hero.PNG") center/cover no-repeat;
  animation: hero-pan 24s ease-in-out infinite alternate;
}
.hero-bg::after {
  content:"";
  position:absolute; inset:0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 50%, rgba(245,166,35,0.13) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 80% 30%, rgba(0,212,160,0.1) 0%, transparent 60%),
    linear-gradient(180deg, transparent 72%, var(--clr-bg) 100%);
}
@keyframes hero-pan {
  from { transform:scale(1); background-position:center; }
  to { transform:scale(1.06); background-position:58% center; }
}
.hero-particles {
  position:absolute; inset:0; overflow:hidden;
}
.particle {
  position:absolute;
  border-radius:50%;
  animation: float linear infinite;
  opacity:0.4;
}
@keyframes float {
  0%   { transform:translateY(100vh) rotate(0deg); opacity:0; }
  10%  { opacity:0.4; }
  90%  { opacity:0.4; }
  100% { transform:translateY(-10vh) rotate(720deg); opacity:0; }
}
.hero-content {
  position:relative; z-index:2;
  max-width:var(--max-w); margin:0 auto;
  padding: var(--sp-20) var(--sp-6);
  display:grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px) minmax(320px, 420px);
  gap: var(--sp-8);
  align-items:center;
  width:100%;
}
.hero-text .eyebrow { margin-bottom:var(--sp-4); }
.hero-text h2 {
  font-family: var(--ff-head);
  font-size: clamp(var(--fs-3xl), 5vw, var(--fs-5xl));
  font-weight:900;
  line-height:1.05;
  color: var(--clr-txt);
  margin-bottom: var(--sp-6);
}
.hero-text h2 .highlight {
  background: var(--grad-gold);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero-text p {
  font-size: var(--fs-lg);
  color: var(--clr-txt-muted);
  max-width:560px;
  margin-bottom: var(--sp-8);
  line-height:1.7;
}
.hero-badges {
  display:flex; flex-wrap:wrap; gap:var(--sp-3);
  margin-bottom: var(--sp-8);
}
.badge {
  display:inline-flex; align-items:center; gap:var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-full);
  font-size: var(--fs-xs);
  font-weight:600;
  color: var(--clr-txt-muted);
}
.badge .dot {
  width:6px; height:6px; border-radius:50%;
  background: var(--clr-green);
  box-shadow: 0 0 8px var(--clr-green);
  flex-shrink:0;
}
.hero-cta { display:flex; gap:var(--sp-4); flex-wrap:wrap; }

.hero-showcase {
  position:relative;
  min-height:390px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.hero-main-art {
  width:min(100%, 340px);
  aspect-ratio:1/1;
  object-fit:cover;
  border-radius:50%;
  border:1px solid rgba(255,255,255,0.14);
  box-shadow:0 22px 80px rgba(0,0,0,0.45), 0 0 0 12px rgba(245,166,35,0.06);
  animation: hero-float 5.5s ease-in-out infinite;
}
.hero-showcase::before {
  content:"";
  position:absolute;
  width:92%;
  aspect-ratio:1/1;
  border:1px dashed rgba(245,166,35,0.38);
  border-radius:50%;
  animation: orbit-spin 22s linear infinite;
}
.value-orbit {
  position:absolute;
  z-index:2;
  padding:var(--sp-2) var(--sp-4);
  border-radius:var(--r-full);
  background:rgba(8,12,26,0.86);
  border:1px solid rgba(245,166,35,0.28);
  color:var(--clr-txt);
  font-family:var(--ff-head);
  font-weight:800;
  font-size:var(--fs-xs);
  letter-spacing:0;
  box-shadow:var(--shadow-md);
  animation: value-bob 4s ease-in-out infinite;
}
.value-learn { top:8%; left:6%; color:var(--clr-gold); }
.value-know { top:18%; right:0; color:var(--clr-green); animation-delay:0.5s; }
.value-do { bottom:18%; left:0; color:var(--clr-blue); animation-delay:1s; }
.value-create { bottom:7%; right:2%; color:var(--clr-gold); animation-delay:1.5s; }
@keyframes hero-float {
  0%, 100% { transform:translateY(0) scale(1); }
  50% { transform:translateY(-16px) scale(1.015); }
}
@keyframes value-bob {
  0%, 100% { transform:translateY(0); }
  50% { transform:translateY(-10px); }
}
@keyframes orbit-spin {
  to { transform:rotate(360deg); }
}

/* ──────────────── BUTTONS ──────────────── */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:var(--sp-2);
  padding: var(--sp-3) var(--sp-6);
  font-family: var(--ff-head);
  font-size: var(--fs-sm);
  font-weight:700;
  border-radius: var(--r-md);
  transition: all var(--tr-md);
  text-decoration:none;
  cursor:pointer;
  border:none;
  position:relative;
  overflow:hidden;
}
.btn::after {
  content:'';
  position:absolute; inset:0;
  background:rgba(255,255,255,0);
  transition: background var(--tr-fast);
}
.btn:hover::after { background:rgba(255,255,255,0.08); }
.btn:active { transform:scale(0.97); }
.btn:disabled { opacity:0.5; cursor:not-allowed; pointer-events:none; }

.btn-primary {
  background: var(--grad-gold);
  color: #000;
  box-shadow: 0 4px 20px rgba(245,166,35,0.35);
}
.btn-primary:hover { box-shadow: 0 6px 30px rgba(245,166,35,0.5); transform:translateY(-1px); }

.btn-secondary {
  background: transparent;
  color: var(--clr-gold);
  border: 1.5px solid var(--clr-gold);
}
.btn-secondary:hover { background: var(--clr-gold-glow); }

.btn-green {
  background: var(--grad-green);
  color:#000;
  box-shadow: 0 4px 20px rgba(0,212,160,0.3);
}
.btn-green:hover { box-shadow:0 6px 30px rgba(0,212,160,0.5); transform:translateY(-1px); }

.btn-ghost {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  color: var(--clr-txt);
}
.btn-ghost:hover { border-color:var(--clr-border-hov); background:var(--clr-bg-card-hov); }

.btn-danger {
  background: rgba(255,90,95,0.15);
  border: 1px solid rgba(255,90,95,0.3);
  color: var(--clr-red);
}
.btn-danger:hover { background:rgba(255,90,95,0.25); }

.btn-sm { padding: var(--sp-2) var(--sp-4); font-size:var(--fs-xs); }
.btn-lg { padding: var(--sp-4) var(--sp-8); font-size:var(--fs-md); }
.btn-full { width:100%; }
.btn-icon { padding:var(--sp-2); border-radius:var(--r-sm); }

/* Loading spinner in button */
.btn.loading::before {
  content:'';
  width:14px; height:14px;
  border:2px solid rgba(0,0,0,0.3);
  border-top-color:currentColor;
  border-radius:50%;
  animation:spin 0.7s linear infinite;
}
@keyframes spin { to { transform:rotate(360deg); } }

/* ──────────────── CARDS ──────────────── */
.card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-xl);
  backdrop-filter:blur(10px);
  transition: all var(--tr-md);
}
.card:hover {
  border-color: var(--clr-border-hov);
  background: var(--clr-bg-card-hov);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}
.card-padded { padding: var(--sp-6); }
.card-glow-green:hover { box-shadow:var(--shadow-green); border-color:rgba(0,212,160,0.3); }

/* ──────────────── FORMS ──────────────── */
.form-group { display:flex; flex-direction:column; gap:var(--sp-2); margin-bottom:var(--sp-5); }
.form-label {
  font-size: var(--fs-sm);
  font-weight:600;
  color: var(--clr-txt);
}
.form-label .required { color:var(--clr-gold); margin-left:var(--sp-1); }
.form-control {
  width:100%;
  padding: var(--sp-3) var(--sp-4);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-md);
  color: var(--clr-txt);
  font-size: var(--fs-sm);
  transition: all var(--tr-fast);
  outline:none;
}
.form-control::placeholder { color:var(--clr-txt-faint); }
.form-control:focus {
  border-color: var(--clr-gold);
  background: rgba(255,255,255,0.06);
  box-shadow: 0 0 0 3px rgba(245,166,35,0.1);
}
.form-control:invalid:not(:placeholder-shown) { border-color:var(--clr-red); }
select.form-control { cursor:pointer; }
textarea.form-control { resize:vertical; min-height:90px; }
.form-hint { font-size:var(--fs-xs); color:var(--clr-txt-muted); }
.form-error { font-size:var(--fs-xs); color:var(--clr-red); display:none; }
.form-error.visible { display:block; }

/* Subject selection canvas */
.subject-selector {
  padding-top: var(--sp-2);
}
.checkbox-grid {
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap:var(--sp-4);
}
.checkbox-item.subject-card {
  position:relative;
  display:grid;
  grid-template-columns:54px minmax(0,1fr) 24px;
  align-items:center;
  gap:var(--sp-4);
  min-height:92px;
  padding:var(--sp-4);
  overflow:hidden;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.075), rgba(255,255,255,0.028)),
    rgba(7,11,24,0.86);
  border:1px solid rgba(255,255,255,0.12);
  border-radius:var(--r-sm);
  cursor:pointer;
  transition:border-color var(--tr-fast), background var(--tr-fast), box-shadow var(--tr-fast), transform var(--tr-fast);
}
.checkbox-item.subject-card::before {
  content:"";
  position:absolute;
  inset:0 auto 0 0;
  width:4px;
  background:var(--subject-accent, var(--clr-gold));
  opacity:0.78;
}
.checkbox-item.subject-card:hover {
  transform:translateY(-2px);
  border-color:var(--subject-accent, var(--clr-gold));
  border-color:color-mix(in srgb, var(--subject-accent, var(--clr-gold)) 64%, white 12%);
  background:
    linear-gradient(135deg, rgba(255,255,255,0.105), rgba(255,255,255,0.035)),
    rgba(9,15,32,0.94);
}
.checkbox-item.subject-card.is-selected {
  border-color:var(--subject-accent, var(--clr-gold));
  box-shadow:0 16px 38px rgba(0,0,0,0.34);
  box-shadow:0 16px 38px rgba(0,0,0,0.34), 0 0 0 1px color-mix(in srgb, var(--subject-accent, var(--clr-gold)) 45%, transparent);
}
.checkbox-item.subject-card:has(.subject-input:checked) {
  border-color:var(--subject-accent, var(--clr-gold));
  box-shadow:0 16px 38px rgba(0,0,0,0.34), 0 0 0 1px color-mix(in srgb, var(--subject-accent, var(--clr-gold)) 45%, transparent);
}
.subject-input {
  position:absolute;
  inline-size:1px;
  block-size:1px;
  opacity:0;
  pointer-events:none;
}
.subject-card-icon,
.subject-mini-symbol,
.subject-badge-symbol {
  display:inline-grid;
  place-items:center;
  flex:0 0 auto;
  color:#07101f;
  background:var(--subject-accent, var(--clr-gold));
  background:linear-gradient(135deg, var(--subject-accent, var(--clr-gold)), color-mix(in srgb, var(--subject-accent, var(--clr-gold)) 72%, white));
  font-family:var(--ff-head);
  font-weight:900;
  letter-spacing:0;
  box-shadow:0 12px 26px rgba(0,0,0,0.22);
  box-shadow:0 12px 26px color-mix(in srgb, var(--subject-accent, var(--clr-gold)) 22%, transparent);
}
.subject-card-icon {
  width:50px;
  height:50px;
  border-radius:var(--r-sm);
  font-size:0.88rem;
  line-height:1;
}
.subject-card-icon sub,
.subject-card-icon sup { font-size:0.62em; line-height:0; }
.subject-card-copy {
  min-width:0;
  display:flex;
  flex-direction:column;
  gap:0.32rem;
}
.subject-card-title {
  color:#f4f7fb;
  font-family:var(--ff-head);
  font-size:0.98rem;
  font-weight:800;
  line-height:1.22;
}
.subject-card-meta {
  color:#a6b2ca;
  font-size:0.74rem;
  line-height:1.25;
}
.subject-card-check {
  width:22px;
  height:22px;
  border:1px solid rgba(255,255,255,0.28);
  border-radius:50%;
  background:rgba(255,255,255,0.04);
  transition:all var(--tr-fast);
}
.checkbox-item.subject-card.is-selected .subject-card-check {
  border-color:var(--subject-accent, var(--clr-gold));
  background:var(--subject-accent, var(--clr-gold));
  box-shadow:0 0 0 4px rgba(245,166,35,0.14);
  box-shadow:0 0 0 4px color-mix(in srgb, var(--subject-accent, var(--clr-gold)) 16%, transparent);
}
.checkbox-item.subject-card:has(.subject-input:checked) .subject-card-check {
  border-color:var(--subject-accent, var(--clr-gold));
  background:var(--subject-accent, var(--clr-gold));
  box-shadow:0 0 0 4px color-mix(in srgb, var(--subject-accent, var(--clr-gold)) 16%, transparent);
}
.checkbox-item.subject-card.is-selected .subject-card-check::after {
  content:"";
  display:block;
  width:6px;
  height:10px;
  margin:3px auto 0;
  border:solid #07101f;
  border-width:0 2px 2px 0;
  transform:rotate(45deg);
}
.checkbox-item.subject-card:has(.subject-input:checked) .subject-card-check::after {
  content:"";
  display:block;
  width:6px;
  height:10px;
  margin:3px auto 0;
  border:solid #07101f;
  border-width:0 2px 2px 0;
  transform:rotate(45deg);
}
.selection-total {
  margin-top:var(--sp-4);
  padding:var(--sp-4) var(--sp-5);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--sp-4);
  background:linear-gradient(135deg, rgba(245,166,35,0.16), rgba(0,212,160,0.08));
  border:1px solid rgba(245,166,35,0.34);
  border-radius:var(--r-sm);
  color:var(--clr-txt-muted);
  font-size:var(--fs-sm);
}
.selection-total strong {
  color:var(--clr-gold);
  font-family:var(--ff-head);
  font-size:var(--fs-lg);
  font-weight:900;
}
.tone-language { --subject-accent:#5cc8ff; }
.tone-math { --subject-accent:#f5a623; }
.tone-digital { --subject-accent:#7c5cfc; }
.tone-science { --subject-accent:#00d4a0; }
.tone-health { --subject-accent:#ff6f91; }
.tone-civic { --subject-accent:#4fa3e3; }
.tone-business { --subject-accent:#ffd166; }
.tone-creative { --subject-accent:#ff8a3d; }
.tone-history { --subject-accent:#b8a57a; }
.tone-faith { --subject-accent:#a78bfa; }
.tone-agriculture { --subject-accent:#7bd88f; }
.tone-trade { --subject-accent:#66e3d1; }
.tone-core { --subject-accent:#d5dde9; }

/* ──────────────── SECTION LAYOUTS ──────────────── */
.section {
  padding: var(--sp-20) 0;
}
.section-alt { background: var(--clr-bg-2); }
.section-title {
  text-align:center;
  margin-bottom: var(--sp-12);
}
.section-title h2 {
  font-family: var(--ff-head);
  font-size: clamp(var(--fs-2xl), 3.5vw, var(--fs-3xl));
  font-weight:800;
  margin-bottom: var(--sp-4);
}
.section-title p { color:var(--clr-txt-muted); max-width:560px; margin:0 auto; }

/* Stats row */
.stats-row {
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(160px,1fr));
  gap:var(--sp-6);
  margin-bottom: var(--sp-12);
}
.stat-card {
  text-align:center;
  padding: var(--sp-6);
  border-radius:var(--r-xl);
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
}
.stat-card .stat-value {
  font-family:var(--ff-head);
  font-size:var(--fs-3xl);
  font-weight:900;
  background: var(--grad-gold);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  line-height:1;
  margin-bottom:var(--sp-2);
}
.stat-card .stat-value.green {
  background: var(--grad-green);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.stat-card p { font-size:var(--fs-sm); color:var(--clr-txt-muted); }

/* Feature grid */
.feature-grid {
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(260px,1fr));
  gap:var(--sp-6);
}
.feature-card {
  padding: var(--sp-6);
  border-radius:var(--r-xl);
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  transition:all var(--tr-md);
}
.feature-card:hover {
  border-color:var(--clr-border-hov);
  transform:translateY(-3px);
  box-shadow:var(--shadow-gold);
}
.feature-icon {
  width:48px; height:48px;
  display:flex; align-items:center; justify-content:center;
  border-radius:var(--r-md);
  margin-bottom:var(--sp-4);
  font-size:1.5rem;
}
.feature-icon.gold { background:var(--clr-gold-glow); }
.feature-icon.green { background:var(--clr-green-glow); }
.feature-icon.purple { background:rgba(124,92,252,0.12); }
.feature-card h3 {
  font-family:var(--ff-head);
  font-size:var(--fs-lg);
  font-weight:700;
  margin-bottom:var(--sp-2);
}
.feature-card p { color:var(--clr-txt-muted); font-size:var(--fs-sm); line-height:1.6; }

/* ──────────────── CODE ENTRY CARD ──────────────── */
.code-entry-card {
  background: var(--grad-glass);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-2xl);
  padding: var(--sp-8);
  backdrop-filter:blur(20px);
  box-shadow: var(--shadow-lg);
}
.code-entry-card h3 {
  font-family:var(--ff-head);
  font-size:var(--fs-xl);
  font-weight:800;
  margin-bottom:var(--sp-2);
}
.code-input-row {
  display:flex; gap:var(--sp-3);
}
.code-input-row .form-control {
  font-size:var(--fs-lg);
  font-weight:700;
  letter-spacing:0.1em;
  text-transform:uppercase;
  text-align:center;
}

/* ──────────────── DASHBOARD ──────────────── */
.dashboard-layout {
  display:grid;
  grid-template-columns: 260px 1fr;
  gap:var(--sp-8);
  padding: var(--sp-8) var(--sp-6);
  max-width:var(--max-w);
  margin:0 auto;
}
.sidebar {
  position:sticky;
  top: calc(var(--header-h) + 46px + var(--sp-6));
  align-self:start;
}
.sidebar-section { margin-bottom: var(--sp-6); }
.sidebar-label {
  font-size:var(--fs-xs);
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:0.1em;
  color:var(--clr-txt-faint);
  margin-bottom:var(--sp-3);
  padding:0 var(--sp-3);
}
.sidebar-item {
  display:flex; align-items:center; gap:var(--sp-3);
  padding:var(--sp-3) var(--sp-4);
  border-radius:var(--r-md);
  font-size:var(--fs-sm);
  font-weight:500;
  color:var(--clr-txt-muted);
  cursor:pointer;
  transition:all var(--tr-fast);
  width:100%; text-align:left;
}
.sidebar-item .icon { font-size:1rem; }
.sidebar-item:hover { color:var(--clr-txt); background:var(--clr-bg-card); }
.sidebar-item.is-active { color:var(--clr-gold); background:var(--clr-gold-glow); font-weight:600; }

/* Student info chip */
.student-chip {
  padding:var(--sp-4);
  background:var(--clr-bg-card);
  border:1px solid var(--clr-border);
  border-radius:var(--r-xl);
  margin-bottom:var(--sp-6);
}
.student-avatar {
  width:48px; height:48px;
  border-radius:50%;
  background:var(--grad-gold);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--ff-head);
  font-size:var(--fs-xl);
  font-weight:900;
  color:#000;
  margin-bottom:var(--sp-3);
}
.student-chip .student-name {
  font-family:var(--ff-head);
  font-weight:700;
  margin-bottom:var(--sp-1);
}
.student-chip .student-meta {
  font-size:var(--fs-xs);
  color:var(--clr-txt-muted);
}

/* ──────────────── WEEKLY LESSONS ──────────────── */
.weeks-grid {
  display:flex; flex-direction:column; gap:var(--sp-4);
}
.week-card {
  border-radius:var(--r-xl);
  border: 1px solid var(--clr-border);
  background:var(--clr-bg-card);
  overflow:hidden;
  transition:all var(--tr-md);
}
.week-card.unlocked { cursor:pointer; }
.week-card.unlocked:hover {
  border-color:var(--clr-border-hov);
  box-shadow:var(--shadow-gold);
}
.week-card.locked { opacity:0.55; }
.week-header {
  display:flex; align-items:center; gap:var(--sp-4);
  padding:var(--sp-4) var(--sp-6);
}
.week-number {
  width:40px; height:40px; flex-shrink:0;
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-family:var(--ff-head);
  font-size:var(--fs-sm);
  font-weight:800;
}
.week-number.unlocked { background:var(--grad-gold); color:#000; }
.week-number.locked { background:rgba(255,255,255,0.06); color:var(--clr-txt-faint); }
.week-info { flex:1; }
.week-title {
  font-family:var(--ff-head);
  font-size:var(--fs-md);
  font-weight:700;
  margin-bottom:var(--sp-1);
}
.week-subject { font-size:var(--fs-xs); color:var(--clr-txt-muted); }
.week-status {
  font-size:var(--fs-xs);
  font-weight:700;
  padding:var(--sp-1) var(--sp-3);
  border-radius:var(--r-full);
}
.week-status.available { background:var(--clr-green-glow); color:var(--clr-green); }
.week-status.coming   { background:rgba(255,255,255,0.04); color:var(--clr-txt-faint); }
.week-status.new      { background:var(--clr-gold-glow); color:var(--clr-gold); }

.week-body { padding:0 var(--sp-6) var(--sp-5); }
.week-body p { color:var(--clr-txt-muted); font-size:var(--fs-sm); line-height:1.7; margin-bottom:var(--sp-4); }
.week-body .btn { margin-top:var(--sp-2); }
.week-breakdown-preview {
  margin:0 0 var(--sp-4) 1rem;
  color:#aeb9ce;
  font-size:var(--fs-xs);
  line-height:1.65;
}
.week-gates {
  display:flex;
  flex-wrap:wrap;
  gap:var(--sp-2);
  margin:var(--sp-3) 0;
}
.week-gates span {
  padding:0.28rem 0.55rem;
  border-radius:var(--r-sm);
  background:rgba(255,255,255,0.055);
  border:1px solid rgba(255,255,255,0.08);
  color:var(--clr-txt-muted);
  font-size:0.68rem;
  font-weight:700;
}
.scheme-detail-block {
  margin:1rem 0;
  padding:1rem;
  border-radius:var(--r-sm);
  background:rgba(255,255,255,0.035);
  border:1px solid var(--clr-border);
}
.scheme-detail-block h4 {
  margin-bottom:0.7rem;
  color:var(--clr-gold);
  font-family:var(--ff-head);
  font-size:0.95rem;
  font-weight:800;
}
.scheme-detail-block ul {
  margin-left:1rem;
  color:var(--clr-txt-muted);
  font-size:var(--fs-sm);
  line-height:1.75;
}
.scheme-detail-block p {
  color:var(--clr-txt-muted);
  font-size:var(--fs-sm);
  line-height:1.7;
}
.scheme-note {
  color:var(--clr-txt-muted);
  font-size:var(--fs-xs);
  line-height:1.6;
}
.uploaded-test-list {
  display:flex;
  flex-wrap:wrap;
  gap:var(--sp-2);
  margin-top:var(--sp-3);
}

/* Progress bar */
.progress-bar-wrap {
  height:6px;
  background:rgba(255,255,255,0.06);
  border-radius:var(--r-full);
  overflow:hidden;
  margin-bottom:var(--sp-6);
}
.progress-bar-fill {
  height:100%;
  background:var(--grad-gold);
  border-radius:var(--r-full);
  transition:width 1s var(--ease);
}

/* ──────────────── SUBJECT TABS ──────────────── */
.subject-tabs {
  display:flex; flex-wrap:wrap; gap:var(--sp-2);
  margin-bottom:var(--sp-6);
}
.subject-tab {
  display:inline-flex;
  align-items:center;
  gap:0.45rem;
  padding:var(--sp-2) var(--sp-4);
  border-radius:var(--r-full);
  font-size:var(--fs-xs);
  font-weight:700;
  border:1px solid var(--clr-border);
  color:var(--clr-txt-muted);
  cursor:pointer;
  transition:all var(--tr-fast);
  background:transparent;
}
.subject-tab:hover { border-color:var(--clr-gold); color:var(--clr-gold); }
.subject-tab.is-active { background:var(--clr-gold); border-color:var(--clr-gold); color:#000; }
.subject-mini-symbol {
  width:24px;
  height:24px;
  border-radius:var(--r-sm);
  font-size:0.62rem;
}
.subject-tab.is-active .subject-mini-symbol {
  background:#07101f;
  color:var(--clr-gold);
  box-shadow:none;
}
.subject-badge-symbol {
  width:22px;
  height:22px;
  border-radius:var(--r-sm);
  font-size:0.58rem;
  margin-right:0.35rem;
}

/* ──────────────── DOWNLOADS ──────────────── */
.downloads-grid {
  display:grid;
  grid-template-columns: repeat(auto-fill, minmax(280px,1fr));
  gap:var(--sp-5);
}
.download-card {
  display:flex; flex-direction:column; gap:var(--sp-3);
  padding:var(--sp-5);
  background:var(--clr-bg-card);
  border:1px solid var(--clr-border);
  border-radius:var(--r-xl);
  transition:all var(--tr-md);
}
.download-card:hover { border-color:var(--clr-border-hov); transform:translateY(-2px); box-shadow:var(--shadow-gold); }
.download-icon { font-size:2rem; }
.download-card h4 { font-family:var(--ff-head); font-weight:700; font-size:var(--fs-md); }
.download-card .meta { font-size:var(--fs-xs); color:var(--clr-txt-muted); }
.download-card .btn { align-self:flex-start; }

/* ──────────────── ADMIN PANEL ──────────────── */
.admin-header {
  display:flex; align-items:center; justify-content:space-between;
  margin-bottom:var(--sp-8);
  flex-wrap:wrap; gap:var(--sp-4);
}
.admin-tabs { display:flex; gap:var(--sp-2); flex-wrap:wrap; }
.admin-tab {
  padding:var(--sp-2) var(--sp-5);
  border-radius:var(--r-md);
  font-size:var(--fs-sm);
  font-weight:600;
  border:1px solid var(--clr-border);
  color:var(--clr-txt-muted);
  cursor:pointer;
  background:transparent;
  transition:all var(--tr-fast);
}
.admin-tab.is-active { background:var(--grad-gold); color:#000; border-color:transparent; }
.admin-tab:hover:not(.is-active) { border-color:var(--clr-gold); color:var(--clr-gold); }

.data-table { width:100%; border-collapse:collapse; }
.data-table th {
  text-align:left;
  padding:var(--sp-3) var(--sp-4);
  font-size:var(--fs-xs);
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:0.08em;
  color:var(--clr-txt-faint);
  border-bottom:1px solid var(--clr-border);
}
.data-table td {
  padding:var(--sp-4);
  font-size:var(--fs-sm);
  border-bottom:1px solid var(--clr-border);
  vertical-align:middle;
}
.data-table tr:last-child td { border-bottom:none; }
.data-table tbody tr:hover { background:rgba(255,255,255,0.02); }

.table-wrap { overflow-x:auto; border-radius:var(--r-xl); border:1px solid var(--clr-border); background:var(--clr-bg-card); }

/* ──────────────── TOAST ──────────────── */
.toast {
  position:fixed; bottom:var(--sp-6); right:var(--sp-6);
  z-index:9999;
  max-width:380px;
  padding: var(--sp-4) var(--sp-6);
  border-radius:var(--r-lg);
  background: rgba(13,18,33,0.96);
  backdrop-filter:blur(20px);
  border:1px solid var(--clr-border);
  font-size:var(--fs-sm);
  font-weight:500;
  color:var(--clr-txt);
  box-shadow:var(--shadow-lg);
  transform:translateX(calc(100% + var(--sp-8)));
  transition:transform var(--tr-md);
}
.toast.show { transform:translateX(0); }
.toast.success { border-color:rgba(0,212,160,0.4); }
.toast.error   { border-color:rgba(255,90,95,0.4); }
.toast.info    { border-color:rgba(245,166,35,0.4); }

/* ──────────────── MODAL ──────────────── */
.modal-overlay {
  position:fixed; inset:0; z-index:800;
  background:rgba(8,12,26,0.85);
  backdrop-filter:blur(8px);
  display:flex; align-items:center; justify-content:center;
  padding:var(--sp-6);
  opacity:0; visibility:hidden;
  transition:all var(--tr-md);
}
.modal-overlay.open { opacity:1; visibility:visible; }
.modal-box {
  background:var(--clr-bg-2);
  border:1px solid var(--clr-border);
  border-radius:var(--r-2xl);
  padding:var(--sp-8);
  max-width:560px; width:100%;
  max-height:90vh; overflow-y:auto;
  transform:scale(0.92) translateY(20px);
  transition:transform var(--tr-md);
}
.modal-overlay.open .modal-box { transform:scale(1) translateY(0); }
.modal-header {
  display:flex; align-items:start; justify-content:space-between;
  margin-bottom:var(--sp-6); gap:var(--sp-4);
}
.modal-header h3 { font-family:var(--ff-head); font-size:var(--fs-xl); font-weight:800; }

/* ──────────────── REGISTRATION SECTION ──────────────── */
.reg-section {
  max-width:var(--max-w); margin:0 auto;
  padding: var(--sp-20) var(--sp-6);
}
.reg-layout {
  display:grid;
  grid-template-columns: 1fr 380px;
  gap:var(--sp-12);
  align-items:start;
}
.reg-sidebar {
  position:sticky;
  top: calc(var(--header-h) + 46px + var(--sp-6));
}
.price-card {
  background:var(--grad-glass);
  border:1px solid var(--clr-border);
  border-radius:var(--r-2xl);
  padding:var(--sp-6);
  margin-bottom:var(--sp-6);
}
.price-card h3 { font-family:var(--ff-head); font-weight:800; font-size:var(--fs-xl); margin-bottom:var(--sp-4); }
.price-item {
  display:flex; justify-content:space-between; align-items:center;
  padding:var(--sp-3) 0;
  border-bottom:1px solid var(--clr-border);
  font-size:var(--fs-sm);
}
.price-item:last-child { border-bottom:none; }
.price-item .label { color:var(--clr-txt-muted); }
.price-item .value { font-weight:700; color:var(--clr-gold); }

.info-steps { display:flex; flex-direction:column; gap:var(--sp-4); }
.info-step {
  display:flex; gap:var(--sp-4); align-items:flex-start;
}
.step-num {
  width:32px; height:32px; flex-shrink:0;
  border-radius:50%;
  background:var(--grad-gold);
  color:#000;
  font-family:var(--ff-head);
  font-weight:800;
  display:flex; align-items:center; justify-content:center;
  font-size:var(--fs-sm);
}
.info-step p { font-size:var(--fs-sm); color:var(--clr-txt-muted); padding-top:var(--sp-1); }

/* ──────────────── CBT PRACTICE ──────────────── */
.cbt-shell { max-width:760px; margin:0 auto; padding:var(--sp-8) var(--sp-6); }
.cbt-header {
  display:flex; align-items:center; justify-content:space-between;
  padding:var(--sp-4) var(--sp-6);
  background:var(--clr-bg-card);
  border:1px solid var(--clr-border);
  border-radius:var(--r-xl);
  margin-bottom:var(--sp-6);
  flex-wrap:wrap; gap:var(--sp-4);
}
.cbt-progress {
  display:flex; align-items:center; gap:var(--sp-3);
  font-size:var(--fs-sm); font-weight:600;
}
.question-card {
  padding:var(--sp-8);
  background:var(--clr-bg-card);
  border:1px solid var(--clr-border);
  border-radius:var(--r-xl);
  margin-bottom:var(--sp-6);
}
.question-stem { font-size:var(--fs-lg); font-weight:600; line-height:1.55; margin-bottom:var(--sp-6); }
.options-list { display:flex; flex-direction:column; gap:var(--sp-3); }
.option-label {
  display:flex; align-items:center; gap:var(--sp-4);
  padding:var(--sp-4) var(--sp-5);
  background:rgba(255,255,255,0.03);
  border:1px solid var(--clr-border);
  border-radius:var(--r-md);
  cursor:pointer;
  transition:all var(--tr-fast);
  font-size:var(--fs-sm);
}
.option-label:hover { border-color:var(--clr-gold); background:var(--clr-gold-glow); }
.option-label input[type="radio"] { accent-color:var(--clr-gold); }
.option-label.correct { border-color:var(--clr-green); background:var(--clr-green-glow); }
.option-label.wrong   { border-color:var(--clr-red); background:rgba(255,90,95,0.06); }
.explanation {
  margin-top:var(--sp-4);
  padding:var(--sp-4);
  background:var(--clr-green-glow);
  border:1px solid rgba(0,212,160,0.25);
  border-radius:var(--r-md);
  font-size:var(--fs-sm);
  line-height:1.6;
  display:none;
}
.explanation.visible { display:block; }

/* ──────────────── DEVICE CONFIRM ──────────────── */
.device-confirm-card {
  max-width:480px; margin:0 auto;
  padding:var(--sp-8);
  background:var(--clr-bg-card);
  border:1px solid rgba(245,166,35,0.3);
  border-radius:var(--r-2xl);
  text-align:center;
}
.device-icon { font-size:4rem; margin-bottom:var(--sp-4); }

/* ──────────────── LOADER ──────────────── */
.page-loader {
  display:flex; align-items:center; justify-content:center;
  flex-direction:column; gap:var(--sp-4);
  min-height:300px;
}
.spinner {
  width:40px; height:40px;
  border:3px solid var(--clr-border);
  border-top-color:var(--clr-gold);
  border-radius:50%;
  animation:spin 0.8s linear infinite;
}

/* ──────────────── EMPTY STATE ──────────────── */
.empty-state {
  text-align:center;
  padding: var(--sp-16) var(--sp-6);
}
.empty-state .icon { font-size:4rem; margin-bottom:var(--sp-4); opacity:0.5; }
.empty-state h3 { font-family:var(--ff-head); font-weight:700; margin-bottom:var(--sp-2); }
.empty-state p { color:var(--clr-txt-muted); font-size:var(--fs-sm); }

/* ──────────────── FOOTER ──────────────── */
.site-footer {
  background: var(--clr-bg-2);
  border-top:1px solid var(--clr-border);
  padding: var(--sp-12) 0 var(--sp-6);
}
#homeView .site-footer { display:none; }
.global-footer { margin-top:0; }
.footer-grid {
  display:grid;
  grid-template-columns: 1fr repeat(3, auto);
  gap:var(--sp-8);
  margin-bottom:var(--sp-8);
}
.footer-brand { max-width:300px; }
.footer-brand img { height:40px; width:auto; margin-bottom:var(--sp-4); }
.footer-logo-row { display:flex; align-items:center; gap:var(--sp-4); flex-wrap:wrap; margin-bottom:var(--sp-4); }
.footer-logo-row img { height:42px; margin-bottom:0; border-radius:var(--r-sm); background:rgba(255,255,255,0.04); }
.footer-brand p { font-size:var(--fs-sm); color:var(--clr-txt-muted); line-height:1.7; }
.footer-col h4 {
  font-family:var(--ff-head);
  font-weight:700;
  margin-bottom:var(--sp-4);
  font-size:var(--fs-sm);
}
.footer-col ul { display:flex; flex-direction:column; gap:var(--sp-2); }
.footer-col ul li,
.footer-col ul li a { font-size:var(--fs-sm); color:var(--clr-txt-muted); transition:color var(--tr-fast); }
.footer-col ul li a:hover { color:var(--clr-gold); }
.footer-bottom {
  border-top:1px solid var(--clr-border);
  padding-top:var(--sp-6);
  display:flex; justify-content:space-between; align-items:center;
  flex-wrap:wrap; gap:var(--sp-3);
}
.footer-bottom p { font-size:var(--fs-xs); color:var(--clr-txt-faint); }

/* ──────────────── ANIMATIONS ──────────────── */
@keyframes pulse-glow {
  0%, 100% { box-shadow:0 0 0 0 rgba(245,166,35,0.3); }
  50%       { box-shadow:0 0 0 12px rgba(245,166,35,0); }
}
.pulse { animation:pulse-glow 2.5s ease-in-out infinite; }

@keyframes slide-in-right {
  from { transform:translateX(100%); }
  to   { transform:translateX(0); }
}

/* ──────────────── RESPONSIVE ──────────────── */
@media (max-width:1024px) {
  .hero-content { grid-template-columns:1fr; }
  .hero-showcase { min-height:330px; order:2; }
  .code-entry-card { order:3; }
  .code-entry-card { margin-top:var(--sp-8); }
  .dashboard-layout { grid-template-columns:1fr; }
  .sidebar { position:static; }
  .reg-layout { grid-template-columns:1fr; }
  .reg-sidebar { position:static; order:-1; }
  .footer-grid { grid-template-columns:1fr 1fr; }
}
@media (max-width:640px) {
  :root { --header-h:60px; }
  .brand-copy .tagline { display:none; }
  .hero-text h2 { font-size:var(--fs-3xl); }
  .hero-cta { flex-direction:column; }
  .hero-cta .btn { width:100%; justify-content:center; }
  .hero-showcase { min-height:280px; }
  .hero-main-art { width:min(78vw, 260px); }
  .value-orbit { font-size:0.68rem; padding:0.4rem 0.65rem; }
  .code-input-row { flex-direction:column; }
  .checkbox-grid { grid-template-columns:1fr; }
  .checkbox-item.subject-card {
    grid-template-columns:46px minmax(0,1fr) 22px;
    min-height:84px;
    padding:var(--sp-3);
  }
  .subject-card-icon { width:42px; height:42px; font-size:0.76rem; }
  .subject-card-title { font-size:0.92rem; }
  .subject-card-meta { font-size:0.7rem; }
  .selection-total { align-items:flex-start; flex-direction:column; gap:var(--sp-1); }
  .footer-grid { grid-template-columns:1fr; }
  .admin-header { flex-direction:column; }
}