/* ============================================================
   BRIGHT MINDS ACADEMY — Mental Arifmetika platforması
   Playful education theme: purple + gold, rounded, notebook feel
   ============================================================ */

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

:root {
  --purple-deep:  #3E1F7A;
  --purple:       #5B3E96;
  --violet:       #7C5DC7;
  --violet-soft:  #A98FE0;
  --violet-light: #D6C6F5;
  --lav-bg:       #F3EEFB;
  --lav-bg-2:     #EBE2FA;
  --card:         #FFFFFF;
  --gold:         #F4B740;
  --gold-deep:    #E8A00E;
  --coral:        #E85D9E;
  --sky:          #3FA9E0;
  --ink:          #2E1A5E;
  --ink-soft:     #5C4580;
  --line:         #D8C9F2;
  --success:      #34A853;
  --success-bg:   #E4F6E9;
  --danger:       #E24A6A;
  --danger-bg:    #FBE6EB;
  --radius:       18px;
  --radius-lg:    26px;
  --radius-sm:    12px;
  --shadow:       0 8px 26px rgba(74,46,134,.10);
  --shadow-hover: 0 14px 40px rgba(74,46,134,.18);
  --shadow-gold:  0 8px 20px rgba(232,160,14,.35);
  --shadow-purple: 0 10px 30px rgba(124,93,199,.3);
  --glow-purple:  0 0 30px rgba(124,93,199,.25);
  --tr:           .3s cubic-bezier(.4,.2,.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--ink);
  line-height: 1.6;
  min-height: 100vh;
  background:
    radial-gradient(1100px 600px at 85% -10%, #DCC8FF 0%, transparent 55%),
    radial-gradient(1000px 500px at -5% 5%, #E8D9FF 0%, transparent 50%),
    radial-gradient(800px 600px at 50% 115%, #D9C5F5 0%, transparent 55%),
    linear-gradient(170deg, #F5EFFF 0%, #EDE3FC 40%, #F0E8FD 100%);
  background-attachment: fixed;
  overflow-x: hidden;
}

h1,h2,h3,h4,.display { font-family: 'Fredoka', 'Nunito', sans-serif; }

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

.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* ===== floating decorations (stars, bulbs, sparkles) ===== */
.decor { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.decor .d {
  position: absolute; opacity: .8;
  animation: floaty 9s ease-in-out infinite;
}
.decor .d.s2 { animation-duration: 11s; animation-delay: -3s; }
.decor .d.s3 { animation-duration: 13s; animation-delay: -6s; }
.decor .d.tw { animation: floaty 10s ease-in-out infinite, twinkle 3.2s ease-in-out infinite; }
.decor .d.s2.tw { animation-duration: 11s, 3.8s; }
.decor .d.s3.tw { animation-duration: 13s, 4.4s; }
.decor .d.sp {
  width: 12px; height: 12px; opacity: .9;
  background: radial-gradient(circle, #fff 0 22%, transparent 26%),
              conic-gradient(from 0deg, transparent, #C9AEF2 20%, transparent 40%, #C9AEF2 60%, transparent 80%, #C9AEF2);
  -webkit-mask: radial-gradient(circle, #000 60%, transparent 62%);
          mask: radial-gradient(circle, #000 60%, transparent 62%);
  border-radius: 50%;
}
.decor .d.sp::before {
  content:""; position:absolute; inset:-6px;
  background:
    linear-gradient(#B99AEE,#B99AEE) center/2px 100% no-repeat,
    linear-gradient(#B99AEE,#B99AEE) center/100% 2px no-repeat;
}
@keyframes twinkle { 0%,100% { opacity:.35; transform:scale(.8);} 50% { opacity:1; transform:scale(1.15);} }
@keyframes floaty {
  0%,100% { transform: translateY(0) rotate(0deg); }
  50%     { transform: translateY(-16px) rotate(8deg); }
}
@media (prefers-reduced-motion: reduce) {
  .decor .d { animation: none; }
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 14px; left: 50%; transform: translateX(-50%);
  width: calc(100% - 28px); max-width: 1180px;
  background: rgba(255,255,255,.78);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border: 1.5px solid rgba(124,93,199,.2);
  border-radius: 999px;
  z-index: 1000; height: 66px;
  display: flex; align-items: center;
  box-shadow: 0 4px 20px rgba(74,46,134,.08), 0 1px 3px rgba(74,46,134,.04);
}
.navbar::before {
  content:""; position:absolute; inset:-1px; border-radius:999px;
  background: linear-gradient(135deg, rgba(124,93,199,.15), rgba(232,93,158,.1), rgba(244,183,64,.08));
  z-index:-1; -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  padding: 1.5px;
}
.nav-container { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.nav-logo { display: flex; align-items: center; gap: 11px; }
.nav-logo .brand-logo-img { height: 60px; width: auto; }

.nav-links { display: flex; gap: 4px; }
.nav-links a {
  padding: 9px 18px; border-radius: 999px; font-size: .92rem; font-weight: 700;
  color: var(--ink-soft); transition: var(--tr); font-family:'Nunito';
  position: relative;
}
.nav-links a:hover { color: var(--purple); background: rgba(124,93,199,.10); }
.nav-links a.active { color: #fff; background: linear-gradient(135deg, var(--violet), var(--purple)); box-shadow: 0 4px 16px rgba(124,93,199,.45); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 24px; height: 2.5px; background: var(--purple); border-radius: 2px; transition: var(--tr); }

/* ===== SECTIONS ===== */
main { position: relative; z-index: 1; }
.section { display: none; padding: 116px 0 90px; min-height: 60vh; animation: fadeUp .4s ease; position: relative; }
.section.active { display: block; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

.section-header { text-align: center; max-width: 640px; margin: 0 auto 42px; }
.section-header h2 {
  font-size: 2.4rem; font-weight: 600; margin-bottom: 8px;
  background: linear-gradient(135deg, var(--purple-deep) 0%, var(--violet) 40%, var(--coral) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  position: relative;
}
.section-header h2::after {
  content:"✦"; display:block; font-size:.5rem; color: var(--violet-soft);
  margin-top: 2px;
}
.section-header p { color: var(--ink-soft); font-size: 1.05rem; font-weight: 600; }
.eyebrow {
  display:inline-block; font-family:'Fredoka'; font-weight:500; font-size:.78rem;
  letter-spacing:2.5px; text-transform:uppercase; color: #fff;
  background: linear-gradient(135deg, var(--violet), var(--coral));
  border: none; padding: 5px 18px; border-radius:999px; margin-bottom:16px;
  box-shadow: 0 4px 14px rgba(124,93,199,.3);
}

/* ===== HERO ===== */
.hero { position: relative; padding-top: 40px; }
.hero .container { display: grid; grid-template-columns: 1.08fr .92fr; gap: 40px; align-items: center; position: relative; }
.hero-content h1 { font-size: 3.15rem; font-weight: 600; line-height: 1.08; color: var(--purple-deep); }
.hero-content h1 .accent {
  background: linear-gradient(135deg, var(--violet) 0%, var(--coral) 50%, var(--gold) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-content p { margin: 20px 0 30px; font-size: 1.12rem; color: var(--ink-soft); font-weight: 600; max-width: 30em; }
.hero-buttons { display: flex; gap: 14px; flex-wrap: wrap; }

/* hero visual = a "passport" notebook card */
.hero-card {
  position: relative; background: linear-gradient(145deg, #fff 0%, #FBF9FF 100%); border-radius: var(--radius-lg);
  padding: 28px; box-shadow: 0 24px 55px rgba(74,46,134,.18), 0 0 0 1.5px rgba(124,93,199,.12); border: none;
}
.hero-card::before {
  content:""; position:absolute; inset: 10px; border: 2px dashed var(--line);
  border-radius: 18px; pointer-events:none;
}
.hero-card::after {
  content:""; position:absolute; inset:-24px -18px; z-index:-1; border-radius:44px;
  background: radial-gradient(54% 56% at 50% 40%, rgba(124,93,199,.28), transparent 68%);
  filter: blur(24px);
}
.hero-card .ribbon {
  position:absolute; top:-14px; left: 26px; background: linear-gradient(135deg, var(--violet), var(--purple)); color:#fff;
  font-family:'Fredoka'; font-weight:500; font-size:.72rem; letter-spacing:2px;
  padding:7px 16px 9px; border-radius: 8px; box-shadow: 0 6px 14px rgba(124,93,199,.4);
}
.hero-card .ribbon::after {
  content:""; position:absolute; left:14px; bottom:-8px; border:8px solid transparent;
  border-top-color: var(--purple); border-right:0;
}
.hero-card-inner { padding-top: 14px; }
.hero-card .flash {
  font-family:'Fredoka'; font-weight:600; text-align:center;
  background: linear-gradient(135deg, var(--purple-deep), var(--violet));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  font-size: 4.2rem; letter-spacing: 2px; padding: 24px 0 8px; min-height: 96px;
  animation: pulseGlow 2.5s ease-in-out infinite;
}
@keyframes pulseGlow {
  0%, 100% { opacity: 1; }
  50% { opacity: .7; }
}
.hero-lines { border-top: 2px dashed var(--line); padding-top: 14px; display:grid; gap:11px; }
.hero-lines span { height: 11px; border-radius: 6px; background: linear-gradient(90deg, var(--lav-bg-2), transparent); }
.hero-lines span:nth-child(2){ width: 82%; } .hero-lines span:nth-child(3){ width: 66%; }
.hero-badges { display:flex; gap:8px; margin-top:16px; }
.hero-badges b {
  font-family:'Fredoka'; font-weight:500; font-size:.72rem; color:#fff; padding:6px 14px; border-radius:999px;
  box-shadow: 0 3px 10px rgba(0,0,0,.1);
}
.hb-1{ background: linear-gradient(135deg, var(--gold), var(--gold-deep));} .hb-2{ background: linear-gradient(135deg, var(--violet), var(--purple));} .hb-3{ background: linear-gradient(135deg, var(--coral), #c23f83);}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px; border-radius: 999px; font-family:'Fredoka'; font-weight: 500; font-size: 1rem;
  cursor: pointer; border: none; transition: var(--tr); white-space: nowrap;
  letter-spacing: .3px;
}
.btn-primary { background: linear-gradient(135deg, var(--gold), var(--gold-deep)); color: #4a3200; box-shadow: var(--shadow-gold); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(232,160,14,.5); }
.btn-violet { background: linear-gradient(135deg, var(--violet), var(--purple-deep)); color:#fff; box-shadow: 0 8px 24px rgba(124,93,199,.4); }
.btn-violet:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(124,93,199,.5); }
.btn-outline { background: transparent; color: var(--purple); border: 2px solid var(--violet-soft); }
.btn-outline:hover { border-color: var(--violet); background: rgba(124,93,199,.06); transform: translateY(-3px); }
.btn-full { width: 100%; margin-top: 6px; }
.btn-sm { padding: 8px 16px; font-size: .85rem; }

/* ===== FEATURE CARDS ===== */
.features { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; margin-top: 70px; }
.feature-card {
  position: relative; background: linear-gradient(145deg, #fff 0%, #FCFAFF 100%); border-radius: var(--radius); padding: 30px 26px;
  box-shadow: var(--shadow); border: 1.5px solid rgba(124,93,199,.1); transition: var(--tr); overflow:hidden;
}
.feature-card::after {
  content:""; position:absolute; inset:8px; border:2px dashed var(--line); border-radius:13px; pointer-events:none;
}
.feature-card:hover { transform: translateY(-8px); box-shadow: 0 20px 50px rgba(74,46,134,.2), 0 0 0 1.5px rgba(124,93,199,.15); }
.feature-icon {
  width: 58px; height: 58px; border-radius: 16px; display: grid; place-items: center;
  font-size: 1.7rem; margin-bottom: 16px; color:#fff;
}
.fi-1 { background: linear-gradient(135deg, var(--violet), var(--purple)); }
.fi-2 { background: linear-gradient(135deg, var(--gold), var(--gold-deep)); }
.fi-3 { background: linear-gradient(135deg, var(--coral), #c23f83); }
.feature-card h3 { font-size: 1.28rem; font-weight: 600; color: var(--purple-deep); margin-bottom: 8px; }
.feature-card p { color: var(--ink-soft); font-weight: 600; font-size: .96rem; }

/* ===== CARD / PANEL SHARED ===== */
.card {
  background: var(--card); border-radius: var(--radius); padding: 28px;
  box-shadow: var(--shadow); border: 2px solid #fff;
}

/* ===== SETTINGS PANEL ===== */
.settings-panel {
  background: linear-gradient(145deg, #fff 0%, #FCFAFF 100%); border-radius: var(--radius-lg); padding: 32px;
  box-shadow: 0 16px 48px rgba(74,46,134,.1), 0 0 0 1.5px rgba(124,93,199,.1); max-width: 900px; margin: 0 auto; position:relative;
}
.settings-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin-bottom: 22px; }
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group label { font-family:'Fredoka'; font-weight:500; font-size: .85rem; color: var(--purple); }
.form-group input, .form-group select, .form-group textarea {
  padding: 12px 16px; border: 2px solid var(--line); border-radius: var(--radius-sm);
  font-family:'Nunito'; font-weight:700; font-size: .95rem; color: var(--ink);
  background: #FBF9FF; transition: var(--tr); width: 100%;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--violet); background: #fff; box-shadow: 0 0 0 4px rgba(124,93,199,.15);
}
.form-hint { font-size:.78rem; color: var(--ink-soft); font-weight:600; margin-top:-2px; }

/* ===== EXERCISE AREA ===== */
.exercise-area {
  background: linear-gradient(145deg, #fff 0%, #FCFAFF 100%); border-radius: var(--radius-lg); padding: 24px;
  box-shadow: 0 16px 48px rgba(74,46,134,.1), 0 0 0 1.5px rgba(124,93,199,.1); max-width: 980px; margin: 0 auto;
}
.exercise-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 18px; padding-bottom: 16px; border-bottom: 2px dashed var(--line);
}
.progress-info { display: flex; align-items: center; gap: 16px; }
#phaseLabel { font-family:'Fredoka'; font-weight:500; color: var(--purple); font-size: 1.02rem; }
.timer {
  font-family:'Fredoka'; font-weight:600; font-size: 1.35rem; color:#fff;
  background: linear-gradient(135deg, var(--violet), var(--purple)); padding: 5px 18px; border-radius: 999px; min-width: 86px; text-align:center;
  box-shadow: 0 4px 14px rgba(124,93,199,.25);
}
.timer.warn { background: linear-gradient(135deg, var(--coral), #d0456a); }

.exercise-grid { display: grid; gap: 16px; }
.exercise-grid.div-1 { grid-template-columns: 1fr; }
.exercise-grid.div-2 { grid-template-columns: 1fr 1fr; }
.exercise-grid.div-3 { grid-template-columns: repeat(3,1fr); }
.exercise-grid.div-4 { grid-template-columns: 1fr 1fr; }

.exercise-cell {
  position: relative; border-radius: var(--radius); min-height: 220px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: linear-gradient(145deg, #FCFAFF 0%, #F8F4FF 100%); border: 2px dashed var(--line); transition: background .25s, border-color .25s;
}
.exercise-cell.state-showing { background: linear-gradient(145deg, #F2ECFD 0%, #EAE0FA 100%); border-color: var(--violet); border-style: solid; }
.exercise-cell.state-calc    { background: linear-gradient(145deg, #FFF7E6 0%, #FFF0CC 100%); border-color: var(--gold); border-style: solid; }
.exercise-cell.state-done    { background: linear-gradient(145deg, var(--success-bg) 0%, #D0EDD6 100%); border-color: var(--success); border-style: solid; }
.cell-label {
  position: absolute; top: 12px; left: 14px; font-family:'Fredoka'; font-weight:500;
  width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center;
  background: var(--violet); color:#fff; font-size: .92rem;
}
.cell-number {
  font-family:'Fredoka'; font-weight:600; font-size: 4.6rem; color: var(--purple-deep);
  line-height: 1; transition: opacity .12s, transform .12s;
}
.cell-number.hide { opacity: 0; transform: scale(.7); }
.cell-number.show { opacity: 1; transform: scale(1); }
.cell-sum {
  margin-top: 10px; font-family:'Fredoka'; font-weight:500; font-size: 1rem;
  color: var(--success); background:#fff; padding:6px 16px; border-radius:999px; border:2px solid #9ADBB0;
}
.exercise-grid.div-3 .cell-number, .exercise-grid.div-4 .cell-number { font-size: 3.4rem; }

/* ===== ANSWER PANEL ===== */
.answer-panel {
  max-width: 560px; margin: 24px auto 0; background: linear-gradient(145deg, #fff 0%, #FCFAFF 100%); border-radius: var(--radius-lg);
  padding: 30px; box-shadow: 0 12px 40px rgba(74,46,134,.1), 0 0 0 1.5px rgba(124,93,199,.1); text-align: center;
}
.answer-panel h3 { font-size: 1.4rem; color: var(--purple-deep); margin-bottom: 18px; font-weight:600; }
.answer-input-row { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.answer-input-row label {
  font-family:'Fredoka'; font-weight:500; width: 42px; height: 42px; flex-shrink:0;
  border-radius: 11px; background: var(--violet); color:#fff; display: grid; place-items:center; font-size:1rem;
}
.answer-input-row input {
  flex: 1; padding: 12px 16px; border: 2px solid var(--line); border-radius: var(--radius-sm);
  font-family:'Fredoka'; font-weight:500; font-size: 1.3rem; color: var(--ink); background: #FBF9FF; text-align:center;
}
.answer-input-row input:focus { outline:none; border-color: var(--violet); background:#fff; box-shadow: 0 0 0 4px rgba(124,93,199,.14); }
.answer-panel .btn { margin-top: 8px; }

/* ===== RESULT MODAL ===== */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(58,42,94,.5); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center; z-index: 2000; padding: 20px; animation: fadeUp .25s ease;
}
.modal {
  background: var(--card); border-radius: var(--radius-lg); max-width: 520px; width: 100%;
  max-height: 88vh; overflow: hidden; display: flex; flex-direction: column; box-shadow: var(--shadow-hover);
  border: 3px solid #fff;
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between; padding: 24px 28px;
  background: linear-gradient(135deg, var(--violet) 0%, var(--purple) 50%, var(--purple-deep) 100%); color:#fff;
}
.modal-header h3 { font-size: 1.35rem; font-weight:600; }
.modal-close { background: rgba(255,255,255,.2); border: none; color:#fff; font-size: 1.4rem; cursor: pointer; width:34px;height:34px;border-radius:50%; line-height:1; }
.modal-close:hover { background: rgba(255,255,255,.35); }
.modal-body { padding: 24px 26px; overflow-y: auto; }
.modal-footer { padding: 18px 26px; border-top: 2px dashed var(--line); display: flex; gap: 12px; justify-content: flex-end; }

.result-summary { text-align: center; font-family:'Fredoka'; font-weight:500; font-size: 1.15rem; padding: 16px; border-radius: var(--radius); margin-bottom: 18px; }
.result-summary.all-correct { background: var(--success-bg); color: var(--success); }
.result-summary.partial { background: #FFF7E6; color: var(--gold-deep); }
.result-item {
  display: flex; align-items: center; gap: 14px; padding: 14px 16px; border-radius: var(--radius-sm);
  margin-bottom: 10px; border: 2px solid var(--line);
}
.result-item.correct { background: var(--success-bg); border-color: #9ADBB0; }
.result-item.incorrect { background: var(--danger-bg); border-color: #F3B6C2; }
.result-section { font-family:'Fredoka'; font-weight:500; color: var(--purple-deep); min-width: 78px; }
.result-values { display: flex; flex-direction: column; gap: 3px; flex: 1; font-size: .92rem; font-weight: 700; }
.result-label { color: var(--ink-soft); font-weight:600; }
.result-num { font-family:'Fredoka'; font-weight:500; color: var(--ink); }
.result-icon { font-size: 1.3rem; }

/* ===== METHODOLOGY ===== */
.methodology-list { max-width: 820px; margin: 0 auto; }
.methodology-list-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.methodology-list-header h3 { font-size: 1.25rem; color: var(--purple-deep); font-weight:600; margin: 0; }

.methodology-form { max-width: 540px; margin: 24px auto 0; }
.methodology-form h3 { font-size: 1.25rem; color: var(--purple-deep); margin-bottom: 18px; font-weight:600; }
.admin-panel-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.admin-panel-header h3 { margin: 0; }
.admin-user-info { display: flex; align-items: center; gap: 12px; }
.admin-user-info span { font-weight:700; color: var(--success); font-size:.95rem; }

.book-item { padding: 16px 18px; border: 2px solid var(--line); border-radius: var(--radius-sm); margin-bottom: 12px; transition: var(--tr); background:#FBF9FF; }
.book-item:hover { border-color: var(--violet-soft); box-shadow: var(--shadow); }
.book-item-main { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.book-info { flex: 1; min-width: 0; }
.book-info h4 { font-family:'Fredoka'; font-weight:500; font-size: 1.08rem; color: var(--purple-deep); margin-bottom: 4px; }
.book-author { font-size: .82rem; color: var(--gold-deep); font-weight: 700; margin-bottom: 6px; }
.book-preview { color: var(--ink-soft); font-size: .9rem; font-weight:600; white-space: pre-wrap; }
.book-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; flex-shrink: 0; }
.text-muted { color: var(--ink-soft); font-weight:600; text-align:center; padding: 20px; }

/* login modal */
#loginModal .modal { max-width: 400px; }
#loginModal .form-group label { font-family:'Fredoka'; font-weight:500; font-size: .85rem; color: var(--purple); }
#loginModal .form-group input { padding: 11px 14px; border: 2px solid var(--line); border-radius: var(--radius-sm); font-family:'Nunito'; font-weight:700; font-size: .95rem; color: var(--ink); background: #FBF9FF; transition: var(--tr); width: 100%; }
#loginModal .form-group input:focus { outline: none; border-color: var(--violet); background: #fff; box-shadow: 0 0 0 4px rgba(124,93,199,.14); }
#loginModal .modal-footer { justify-content: flex-end; gap: 10px; }
.form-error { color: var(--danger); font-weight:700; font-size:.88rem; text-align:center; }

/* ===== ABOUT ===== */
.about-grid { display:grid; grid-template-columns: 1fr 1fr; gap: 26px; align-items:start; }
.about-lead { font-size: 1.08rem; color: var(--ink-soft); font-weight:600; margin-bottom: 18px; }
.about-lead b { color: var(--purple-deep); }
.about-list { display:grid; gap: 12px; margin-top: 6px; }
.about-list .row { display:flex; gap:12px; align-items:flex-start; background:#FBF9FF; border:2px solid var(--line); border-radius: var(--radius-sm); padding: 14px 16px; }
.about-list .ic { width:38px;height:38px;flex-shrink:0;border-radius:11px;display:grid;place-items:center;font-size:1.15rem;color:#fff; background: linear-gradient(135deg,var(--violet),var(--purple)); }
.about-list .row:nth-child(2n) .ic { background: linear-gradient(135deg,var(--gold),var(--gold-deep)); }
.about-list h4 { font-family:'Fredoka'; font-weight:500; color:var(--purple-deep); font-size:1rem; }
.about-list p { font-size:.9rem; color: var(--ink-soft); font-weight:600; }
.about-card { position: relative; overflow: hidden; background: linear-gradient(145deg, #fff 0%, #FCFAFF 100%); border: 1.5px solid rgba(124,93,199,.1); }
.about-card .founder { display:flex; gap:16px; align-items:center; margin-bottom: 18px; }
.about-card .founder .avatar {
  width:72px;height:72px;border-radius:20px;flex-shrink:0; overflow:hidden;
  background: linear-gradient(135deg,var(--coral),#c23f83);
}
.about-card .founder .avatar img { width:100%;height:100%;object-fit:cover; object-position:center top; display:block; }
.about-card .founder b { font-family:'Fredoka'; font-weight:500; color:var(--purple-deep); font-size:1.15rem; display:block; }
.about-card .founder span { color: var(--gold-deep); font-weight:700; font-size:.88rem; }
.stat-row { display:flex; gap: 12px; margin-top: 18px; }
.stat { flex:1; text-align:center; background:#FBF9FF; border:2px dashed var(--line); border-radius:var(--radius-sm); padding:16px 8px; }
.stat b { font-family:'Fredoka'; font-weight:600; font-size:1.6rem; color: var(--violet); display:block; }
.stat span { font-size:.78rem; color: var(--ink-soft); font-weight:700; }

/* ===== CONTACT ===== */
.contact-content { text-align:center; max-width: 620px; margin: 0 auto; background: linear-gradient(145deg, #fff 0%, #FCFAFF 100%); border: 1.5px solid rgba(124,93,199,.1); }
.contact-content .rows { display:grid; gap: 14px; margin: 6px 0 22px; }
.contact-content .rows a, .contact-content .rows span { display:inline-flex; align-items:center; gap:10px; justify-content:center; font-weight:700; color: var(--ink); }
.contact-content .rows .ic { width:34px;height:34px;border-radius:10px; background: var(--lav-bg-2); display:grid;place-items:center; color: var(--purple); }
.social-btn { display:inline-flex; gap:10px; align-items:center; }
.copyright { margin-top: 22px; color: var(--ink-soft); font-weight:600; font-size:.9rem; }

/* ===== FOOTER WAVE ===== */
.site-footer { position: relative; z-index:1; margin-top: 70px; }
.site-footer .wave { display:block; width:100%; height:80px; margin-bottom:-2px; }
.site-footer .bar {
  position: relative; background: linear-gradient(180deg, var(--violet) 0%, var(--purple) 40%, var(--purple-deep) 100%);
  color:#fff; text-align:center; padding: 32px 16px 34px;
}
.site-footer .bar::before {
  content:""; position:absolute; top:0; left:0; right:0; height:3px;
  background: linear-gradient(90deg, var(--gold), var(--coral), var(--violet-soft), var(--coral), var(--gold));
}
.site-footer .footer-center { position: relative; z-index: 2; }
.site-footer .footer-brand { font-family:'Fredoka'; font-weight:600; font-size:1.35rem; letter-spacing:.5px; }
.site-footer .footer-brand::before,
.site-footer .footer-brand::after { content:"✦"; color: var(--gold); font-size:.8em; margin:0 10px; vertical-align:middle; }
.site-footer .bar small { display:block; margin-top:6px; opacity:.9; font-weight:700; font-size:.95rem; letter-spacing:.5px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-content h1 { font-size: 2.6rem; }
  .features { grid-template-columns: 1fr; }
  .settings-grid { grid-template-columns: 1fr 1fr; }
  .methodology-layout, .about-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .nav-links {
    position: absolute; top: 74px; right: 0; flex-direction: column; gap: 4px;
    background: #fff; padding: 12px; border-radius: var(--radius); box-shadow: var(--shadow-hover);
    min-width: 200px; display: none; border:1px solid var(--line);
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .navbar { border-radius: 22px; }
  .nav-logo .brand-logo-img { height: 50px; }
}
@media (max-width: 560px) {
  .settings-grid { grid-template-columns: 1fr; }
  .exercise-grid.div-2, .exercise-grid.div-3, .exercise-grid.div-4 { grid-template-columns: 1fr; }
  .hero-content h1 { font-size: 2.2rem; }
  .section-header h2 { font-size: 1.8rem; }
  .cell-number { font-size: 3.4rem; }
}

/* ===== FULLSCREEN MODE (proyektor / divar üçün) ===== */
.fullscreen-mode .navbar,
.fullscreen-mode .decor,
.fullscreen-mode .site-footer {
  display: none;
}

.fullscreen-mode .exercise-area {
  position: fixed;
  inset: 0;
  z-index: 9999;
  max-width: none;
  width: 100vw;
  height: 100vh;
  border-radius: 0;
  display: flex !important;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: #fff;
  padding: 3vh 4vw;
  border: none;
  box-shadow: none;
}

.fullscreen-mode .exercise-grid {
  width: 100%;
  height: 100%;
  max-width: 95vw;
  max-height: 92vh;
}

.fullscreen-mode .exercise-cell {
  min-height: 0;
  border-radius: var(--radius-lg);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 3px solid var(--line);
}

.fullscreen-mode .exercise-cell.state-showing {
  border-color: var(--violet);
  background: #FBF9FF;
}

.fullscreen-mode .exercise-cell.state-done {
  border-color: var(--success);
  background: var(--success-bg);
}

.fullscreen-mode .cell-number {
  font-size: min(28vw, 28vh, 26rem);
  line-height: 1;
  display: block;
  text-align: center;
  width: 100%;
  max-height: 100%;
  color: var(--purple-deep);
}

.fullscreen-mode .exercise-grid.div-3 .cell-number,
.fullscreen-mode .exercise-grid.div-4 .cell-number {
  font-size: min(18vw, 18vh, 16rem);
}

.fullscreen-mode .exercise-toolbar {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 10000;
  border: none;
  margin: 0;
  padding: 8px 16px;
  background: rgba(255,255,255,0.9);
  border-radius: 999px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  backdrop-filter: blur(8px);
}

.fullscreen-mode .answer-panel {
  position: fixed;
  bottom: 6vh;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  max-width: 640px;
  width: 90vw;
  margin: 0;
  box-shadow: 0 8px 32px rgba(74,46,134,0.12);
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255,255,255,0.8);
  border-radius: var(--radius-lg);
}

.fullscreen-mode #phaseLabel {
  font-size: 1.3rem;
}

.fullscreen-mode .modal-overlay {
  z-index: 20000;
}

/* ===== card tag (replaces old passport ribbon) ===== */
.card-tag {
  display:inline-block; font-family:'Fredoka'; font-weight:500; font-size:.72rem;
  letter-spacing:1.5px; text-transform:uppercase; color: var(--violet);
  background: #F2ECFD; border:1px solid var(--line); padding:5px 14px; border-radius:999px;
  margin: 0 auto 10px;
}
.hero-card-inner { text-align:center; }

/* ===== section mascots (real kid illustrations) ===== */
.has-kid { position: relative; }
.section-kid {
  position: absolute; top: -16px; width: 190px; height: auto; z-index: 4;
  pointer-events: none; filter: drop-shadow(0 12px 20px rgba(74,46,134,.20));
  animation: kidPop .6s cubic-bezier(.3,1.4,.5,1) both .25s;
}
.section-kid.kid-right { right: -180px; }
.section-kid.kid-left  { left: -180px; }
@keyframes kidPop { from { opacity:0; transform: translateY(22px) scale(.85) rotate(-4deg); } to { opacity:1; transform:none; } }
@media (max-width: 1200px){ .section-kid{ width: 160px; } }
@media (max-width: 1040px){
  .kid-duo{ display:flex; justify-content:center; align-items:flex-end; gap:18px; margin-bottom:10px; }
  .section-kid{ position: static; width: 130px; }
}
@media (max-width: 560px){ .section-kid{ width: 94px; } .kid-duo{ gap:10px; } }
@media (prefers-reduced-motion: reduce){ .section-kid{ animation: none; } }

/* ============================================================
   WOW · PURPLE-FORWARD ENHANCEMENTS
   ============================================================ */

/* floating decorations enhanced */
.decor .d { opacity: .9; }
.decor .d.tw { animation: floaty 10s ease-in-out infinite, twinkle 4s ease-in-out infinite; }

/* card wrapper - subtle purple border on all light cards */
.card {
  background: linear-gradient(145deg, #fff 0%, #FCFAFF 100%);
  border: 1.5px solid rgba(124,93,199,.1);
}

/* hero-visual retains its relative positioning */
.hero-visual { position: relative; }

/* book items hover enhancement */
.book-item {
  border: 1.5px solid var(--line);
  background: linear-gradient(145deg, #FCFAFF 0%, #F8F4FF 100%);
}

/* input fields focus enhancement */
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--violet);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(124,93,199,.15);
}



/* waving boy peeking at the hero card's lower-right */
.hero-kid {
  position:absolute; bottom:-30px; width:168px; height:auto; z-index:5;
  pointer-events:none; filter: drop-shadow(0 14px 22px rgba(74,46,134,.28));
  animation: kidPop .6s cubic-bezier(.3,1.4,.5,1) both .3s;
}
.hero-kid.kid-left  { left:-190px; }
.hero-kid.kid-right { right:-190px; }
@media (max-width: 900px){ .hero-kid{ width:132px; bottom:-18px; } .hero-kid.kid-left{ left:-130px; } .hero-kid.kid-right{ right:-130px; } }
@media (max-width: 560px){ .hero-kid{ width:100px; } }
@media (prefers-reduced-motion: reduce){ .hero-kid{ animation:none; } }

/* ===== custom scrollbar (purple) ===== */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--lav-bg); }
::-webkit-scrollbar-thumb { background: linear-gradient(180deg, var(--violet-soft), var(--violet)); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: linear-gradient(180deg, var(--violet), var(--purple)); }

/* ===== selection highlight ===== */
::selection { background: rgba(124,93,199,.3); color: var(--purple-deep); }

/* ===== smooth purple divider between sections ===== */
.section::after {
  content:""; position:absolute; bottom:0; left:10%; right:10%; height:1.5px;
  background: linear-gradient(90deg, transparent, rgba(124,93,199,.2), transparent);
}
.section:last-child::after { display: none; }

/* ===== kid images enhanced shadow ===== */
.section-kid { filter: drop-shadow(0 14px 24px rgba(74,46,134,.25)); }
.hero-kid { filter: drop-shadow(0 16px 28px rgba(74,46,134,.32)); }