/* ═══════════════════════════════════════════
   BLOOM ONLINE ACADEMY – STYLESHEET
   Design: Purple-Blue Gradient + Glassmorphism
   Inspired by: BloomQuranApp, majidtahir.com, moshikur.com
   ═══════════════════════════════════════════ */

/* ── RESET & BASE ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Default (Light) Theme */
  --c-bg:        #ffffff;
  --c-bg2:       #f5f7fa;
  --c-surface:   #ffffff;
  --c-surface2:  #edf1f5;
  --c-border:    #e2e8f0;
  --c-primary:   #0f172a;
  --c-primary2:  #334155;
  --c-accent:    #1e293b;
  --c-gold:      #64748b;
  --c-text:      #0f172a;
  --c-text-dim:  #64748b;
  --c-white:     #ffffff;
  --c-dark:      #212529;
  --r-sm:        6px;
  --r-md:        10px;
  --r-lg:        12px;
  --r-xl:        16px;
  --shadow-card: 0 2px 10px rgba(0,0,0,0.05);
  --shadow-glow: 0 4px 20px rgba(0,0,0,0.08);
  --transition:  0.2s ease-in-out;
  --font-main:   'Inter', system-ui, sans-serif;
  --font-mono:   'JetBrains Mono', 'Roboto Mono', monospace;
  --c-glow:      rgba(0, 102, 255, 0.15);
  --nav-bg-rgb:  255, 255, 255;

  /* desaturated subject color palette */
  --col-blue:    #495057;
  --col-purple:  #495057;
  --col-teal:    #495057;
  --col-orange:  #495057;
  --col-green:   #495057;
  --col-pink:    #495057;
  --col-indigo:  #495057;
}

/* ── THEMES ── */
body.theme-navy {
  --c-bg: #0a0a1a;
  --c-bg2: #12122b;
  --c-surface: #0e0e24;
  --c-surface2: #1c1c3d;
  --c-border: #25254d;
  --c-text: #e0e0ff;
  --c-text-dim: #9292c5;
  --c-primary: #3d5afe;
  --c-white: #ffffff;
  --c-dark: #050510;
  --shadow-card: 0 4px 15px rgba(0,0,0,0.5);
  --nav-bg-rgb: 10, 10, 26;
  --c-glow: rgba(61, 90, 254, 0.2);
}

body.theme-dark {
  --c-bg: #0b0c10;
  --c-bg2: #161b22;
  --c-surface: #0d1117;
  --c-surface2: #21262d;
  --c-border: #30363d;
  --c-text: #f0f6fc;
  --c-text-dim: #8b949e;
  --c-primary: #ffffff;
  --c-white: #ffffff;
  --c-dark: #010409;
  --shadow-card: 0 4px 15px rgba(0,0,0,0.4);
  --nav-bg-rgb: 11, 12, 16;
  --c-glow: rgba(255, 255, 255, 0.1);
}

body.theme-orange {
  --c-bg: #110b05;
  --c-bg2: #1c140a;
  --c-surface: #170f07;
  --c-surface2: #2a1d0f;
  --c-border: #3d2b17;
  --c-text: #fff2e6;
  --c-text-dim: #c5a585;
  --c-primary: #ff9800;
  --c-white: #ffffff;
  --c-dark: #080502;
  --shadow-card: 0 4px 15px rgba(0,0,0,0.5);
  --nav-bg-rgb: 17, 11, 5;
  --c-glow: rgba(255, 152, 0, 0.15);
}

/* Theme Switcher Styles */
.theme-switcher {
  position: fixed;
  top: 80px;
  right: 20px;
  z-index: 999;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-shadow: var(--shadow-card);
}
.theme-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
}
.theme-btn:hover { transform: scale(1.1); }
.theme-btn.active { border-color: var(--c-text); }
.theme-btn.light { background: #ffffff; border-color: #dee2e6; }
.theme-btn.navy { background: #000080; }
.theme-btn.dark { background: #121212; }
.theme-btn.orange { background: #e67e22; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-main);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.5;
  overflow-x: hidden;
}

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

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--c-bg); }
::-webkit-scrollbar-thumb { background: var(--c-primary); border-radius: 3px; }

/* ── CONTAINERS ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 100px 0; }
.section-dark { background: var(--c-bg2); }

/* ── SECTION HEADERS ── */
.section-tag {
  display: inline-block;
  color: var(--c-primary2);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section-header { text-align: center; margin-bottom: 48px; }
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 12px;
  line-height: 1.2;
}
.section-desc {
  max-width: 580px;
  margin: 0 auto;
  color: var(--c-text-dim);
  font-size: 1rem;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--r-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  text-decoration: none;
}
.btn-primary {
  background: var(--c-primary);
  color: var(--c-bg);
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--c-text);
  border-color: var(--c-border);
}
.btn-ghost:hover { background: var(--c-surface2); border-color: var(--c-text); }
.btn-whatsapp {
  background: #25d366;
  color: white;
  padding: 10px 24px;
  border-radius: var(--r-sm);
  font-size: 0.95rem;
  font-weight: 600;
  margin-top: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-whatsapp:hover { opacity: 0.9; transform: translateY(-1px); }

/* ═══════════════ NAV ═══════════════ */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(var(--nav-bg-rgb, 255, 255, 255), 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
  padding: 0 24px;
  transition: var(--transition);
}
#navbar.scrolled {
  background: rgba(255,255,255,0.95);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.brand {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--c-text);
}
.brand-bloom { color: var(--c-primary); }
.brand-rest { color: var(--c-text-dim); font-weight: 500; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}
.nav-links a {
  color: var(--c-text-dim);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 8px 16px;
  border-radius: 50px;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.nav-links a:hover { color: var(--c-primary); background: var(--c-bg2); }
.nav-cta {
  background: var(--c-primary) !important;
  color: var(--c-bg) !important;
  border-radius: 50px !important;
  padding: 8px 20px !important;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.nav-cta:hover { opacity: 0.9; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
}
.hamburger span {
  display: block;
  width: 20px; height: 2px;
  background: var(--c-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── HERO ── */
#hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: var(--c-bg);
  padding: 140px 24px 80px;
  overflow: hidden;
}

/* Professional Grid Pattern */
#hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(var(--c-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--c-border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(circle at center, black, transparent 85%);
  -webkit-mask-image: radial-gradient(circle at center, black, transparent 85%);
  opacity: 0.12;
  z-index: 1;
}

/* Premium Background Glows */
#hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: 
    radial-gradient(circle at 20% 30%, rgba(15, 23, 42, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(15, 23, 42, 0.03) 0%, transparent 50%);
  z-index: 1;
}


.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 850px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  background: #ff9800;
  border: none;
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 25px;
  font-weight: 700;
  padding: 8px 24px;
  border-radius: 50px;
  margin-bottom: 32px;
  letter-spacing: 1px;
  text-transform: uppercase;
  box-shadow: 0 10px 25px rgba(255, 152, 0, 0.3);
  animation: badgeFloat 3s ease-in-out infinite;
}

@keyframes badgeFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.hero-title {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(2.8rem, 8vw, 4.5rem);
  font-weight: 900;
  line-height: 1.05;
  margin-bottom: 24px;
  color: var(--c-text);
  letter-spacing: -1px;
}

.hero-title span {
  color: var(--c-primary);
  display: inline-block;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  color: var(--c-text-dim);
  font-weight: 500;
  margin-bottom: 40px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.hero-desc {
  display: none; /* Merged into subtitle for cleaner look */
}

.hero-stats {
  display: inline-flex;
  align-items: center;
  gap: 40px;
  background: var(--c-bg2);
  border: 1px solid var(--c-border);
  padding: 16px 40px;
  border-radius: var(--r-md);
  margin-bottom: 48px;
}

.stat { display: flex; flex-direction: column; align-items: center; }

.stat-num {
  font-family: 'Outfit', sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--c-text);
}

.stat-label { 
  font-size: 0.7rem; 
  color: var(--c-text-dim); 
  font-weight: 600; 
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 2px;
}

.stat-divider { width: 1px; height: 30px; background: var(--c-border); }

.hero-btns {
  display: flex;
  gap: 20px;
  justify-content: center;
}

.btn-hero-primary {
  background: var(--c-primary);
  color: var(--c-bg);
  padding: 16px 40px;
  font-size: 1.05rem;
  font-weight: 700;
  border-radius: var(--r-sm);
  transition: all 0.3s ease;
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.btn-hero-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

.btn-hero-secondary {
  background: transparent;
  color: var(--c-text);
  border: 2px solid var(--c-border);
  padding: 16px 40px;
  font-size: 1.05rem;
  font-weight: 700;
  border-radius: var(--r-sm);
  transition: all 0.3s ease;
}

.btn-hero-secondary:hover {
  border-color: var(--c-text);
  background: var(--c-bg2);
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
  80% { transform: translateX(-50%) translateY(16px); opacity: 0.2; }
}

@keyframes fadeDown {
  from { opacity:0; transform:translateY(-20px); }
  to   { opacity:1; transform:translateY(0); }
}
@keyframes fadeUp {
  from { opacity:0; transform:translateY(30px); }
  to   { opacity:1; transform:translateY(0); }
}

/* ═══════════════ SUBJECTS ═══════════════ */
.subjects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.subject-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.subject-card::before { display: none; }

.subject-card:hover {
  transform: translateY(-2px);
  border-color: var(--c-primary);
  box-shadow: var(--shadow-card);
}

.subject-icon {
  font-size: 2rem;
  line-height: 1;
}
.subject-info { flex: 1; }
.subject-code {
  display: inline-block;
  color: var(--c-text-dim);
  font-size: 0.7rem;
  font-weight: 600;
  margin-bottom: 4px;
  letter-spacing: 0.5px;
}
.subject-info h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 4px;
}
.subject-info p { font-size: 0.9rem; color: var(--c-text-dim); }

.subject-links { display: flex; gap: 8px; flex-wrap: wrap; }
.tag-btn {
  background: var(--c-surface2);
  border: 1px solid transparent;
  color: var(--c-text);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: var(--transition);
}
.tag-btn:hover {
  background: var(--c-primary);
  color: white;
}

/* ═══════════════ VIDEO LESSONS ═══════════════ */
.video-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 32px;
}
.filter-btn {
  background: var(--c-bg2);
  border: 1px solid var(--c-border);
  color: var(--c-text-dim);
  padding: 6px 16px;
  border-radius: var(--r-sm);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}
.filter-btn.active,
.filter-btn:hover {
  background: var(--c-primary);
  border-color: var(--c-primary);
  color: white;
}

.videos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.video-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: var(--transition);
}
.video-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
  border-color: var(--c-primary);
}
.video-card.hidden { display: none; }

.video-thumb {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  background: #000;
}
.video-thumb img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}

.play-overlay { display: none; }

.yt-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(0,0,0,0.6);
  color: white;
  font-size: 0.65rem;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 4px;
}

.video-info { padding: 16px; }
.vc-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--c-text-dim);
  margin-bottom: 4px;
  text-transform: uppercase;
}
.video-info h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 4px;
}
.video-info p { font-size: 0.85rem; color: var(--c-text-dim); }

/* ═══════════════ RESOURCES ═══════════════ */
.resources-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.rtab {
  background: var(--c-bg2);
  border: 1px solid var(--c-border);
  color: var(--c-text-dim);
  padding: 8px 20px;
  border-radius: var(--r-sm);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}
.rtab.active {
  background: var(--c-primary);
  border-color: var(--c-primary);
  color: var(--c-bg);
}
.rtab:not(.active):hover { background: var(--c-surface2); color: var(--c-text); }

.resources-panel { display: none; }
.resources-panel.active { display: block; }

.resources-grid { display: flex; flex-direction: column; gap: 12px; }
.resource-item {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
}
.resource-item:hover {
  border-color: var(--c-primary);
  background: var(--c-bg2);
}
.ri-icon { display: none; }

.ri-info { flex: 1; }
.ri-subject {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--c-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.ri-info h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--c-text);
  margin: 2px 0;
}
.ri-meta { font-size: 0.8rem; color: var(--c-text-dim); }
.ri-btn {
  background: var(--c-primary);
  color: var(--c-bg);
  padding: 6px 14px;
  border-radius: var(--r-sm);
  font-size: 0.8rem;
  font-weight: 600;
  transition: var(--transition);
  text-decoration: none;
}
.ri-btn:hover { opacity: 0.9; }

/* Upload Zone */
.upload-zone {
  margin-top: 32px;
  border: 1px dashed var(--c-border);
  border-radius: var(--r-md);
  background: var(--c-bg2);
  transition: var(--transition);
  cursor: pointer;
}
.upload-zone:hover {
  border-color: var(--c-primary);
}
.upload-inner {
}
.upload-icon { font-size: 3rem; margin-bottom: 16px; }
.upload-inner h4 { font-size: 1.2rem; font-weight: 700; color: var(--c-text); margin-bottom: 8px; }
.upload-inner p { color: var(--c-text-dim); margin-bottom: 8px; }
.upload-hint {
  font-size: 0.8rem;
  color: var(--c-primary2);
  background: rgba(124,92,252,0.1);
  padding: 5px 14px;
  border-radius: 20px;
  display: inline-block;
}

/* ═══════════════ FEATURES ═══════════════ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px;
}
.feature-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  padding: 24px;
  text-align: center;
  transition: var(--transition);
}
.feature-card::before { display: none; }
.feature-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-card); border-color: var(--c-primary); }

.feature-icon { font-size: 2rem; margin-bottom: 12px; }
.feature-card h3 { font-size: 1rem; font-weight: 600; color: var(--c-text); margin-bottom: 8px; }
.feature-card p { font-size: 0.85rem; color: var(--c-text-dim); line-height: 1.5; }

/* ═══════════════ CONTACT ═══════════════ */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-desc { color: var(--c-text-dim); margin-bottom: 24px; font-size: 0.95rem; }
.contact-infos { display: flex; flex-direction: column; gap: 12px; }
.contact-info-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--c-bg2);
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  padding: 12px 16px;
  transition: var(--transition);
  color: inherit;
}
.contact-info-item.whatsapp:hover {
  border-color: #25d366;
  background: rgba(37,211,102,0.08);
}
.ci-icon { font-size: 1.6rem; }
.ci-label { display: block; font-size: 0.78rem; color: var(--c-text-dim); font-weight: 500; text-transform: uppercase; letter-spacing: 1px; }
.ci-val { display: block; font-size: 1rem; font-weight: 600; color: var(--c-text); margin-top: 2px; }

.contact-form {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  padding: 36px;
  backdrop-filter: blur(12px);
}
.contact-form h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 24px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}
.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--c-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--c-bg2);
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  color: var(--c-text);
  font-family: var(--font-main);
  font-size: 1rem;
  padding: 13px 16px;
  width: 100%;
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--c-primary);
  background: rgba(124,92,252,0.08);
  box-shadow: 0 0 0 3px rgba(124,92,252,0.15);
}
.form-group select option { background: var(--c-bg); color: var(--c-text); }
.form-group textarea { resize: vertical; min-height: 80px; }

/* ── FOOTER ── */
#footer {
  padding: 60px 0 30px;
  background: var(--c-bg2);
  border-top: 1px solid var(--c-border);
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}
.footer-logo { font-size: 1.2rem; font-weight: 700; color: var(--c-primary); margin-bottom: 12px; }
.footer-tagline { font-size: 0.9rem; color: var(--c-text-dim); line-height: 1.6; }

.footer-links-col h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 16px;
  text-transform: uppercase;
}
.footer-links-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-links-col a {
  font-size: 0.85rem;
  color: var(--c-text-dim);
  transition: var(--transition);
}
.footer-links-col a:hover { color: var(--c-primary); }

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--c-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-bottom p { font-size: 0.8rem; color: var(--c-text-dim); }

/* ═══════════════ MODAL ═══════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(6px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal-box {
  background: var(--c-bg2);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  padding: 36px;
  max-width: 540px;
  width: 100%;
  position: relative;
  transform: translateY(20px);
  transition: transform 0.3s ease;
}
.modal-overlay.open .modal-box { transform: translateY(0); }
.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  color: var(--c-text);
  width: 32px; height: 32px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 0.9rem;
  transition: var(--transition);
}
.modal-close:hover { background: var(--c-accent); color: white; border-color: transparent; }

/* ═══════════════ TOAST ═══════════════ */
.toast {
  position: fixed;
  bottom: 32px; left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  color: white;
  padding: 14px 28px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  z-index: 3000;
  transition: transform 0.4s cubic-bezier(0.175,0.885,0.32,1.275), opacity 0.3s ease;
  opacity: 0;
  box-shadow: 0 8px 30px rgba(124,92,252,0.5);
}
.toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

/* ═══════════════ FAB ═══════════════ */
.fab-wa {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 58px; height: 58px;
  background: linear-gradient(135deg, #25d366, #128c7e);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 900;
  box-shadow: 0 6px 25px rgba(37,211,102,0.5);
  transition: var(--transition);
  animation: fabPulse 3s ease-in-out infinite;
}
.fab-wa:hover { transform: scale(1.12); box-shadow: 0 10px 35px rgba(37,211,102,0.6); }
@keyframes fabPulse {
  0%, 100% { box-shadow: 0 6px 25px rgba(37,211,102,0.5); }
  50% { box-shadow: 0 6px 40px rgba(37,211,102,0.7); }
}

/* ═══════════════ RESPONSIVE ═══════════════ */
@media (max-width: 1024px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
  .contact-wrapper { grid-template-columns: 1fr; gap: 48px; }
}
@media (max-width: 768px) {
  .section { padding: 70px 0; }
  .nav-links {
    display: none;
    position: fixed;
    top: 70px; left: 0; right: 0; bottom: 0;
    background: rgba(12,13,30,0.97);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 16px;
    backdrop-filter: blur(20px);
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 1.2rem; }
  .hamburger { display: flex; }
  .hero-stats { gap: 16px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .subjects-grid, .videos-grid, .features-grid { grid-template-columns: 1fr; }
  .upload-inner { padding: 32px 20px; }
  .contact-form { padding: 24px; }
  .hero-btns { flex-direction: column; align-items: center; }
}

/* ── TABLES ── */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.95rem;
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  overflow: hidden;
}
th {
  background-color: #000080; /* Navy Blue */
  color: #ffffff;
  padding: 14px 20px;
  text-align: left;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.5px;
}
td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--c-border);
  color: var(--c-text);
}
tr:last-child td { border-bottom: none; }
tr:nth-child(even) { background-color: var(--c-bg2); }

@media (max-width: 480px) {
  .resource-item { flex-direction: column; align-items: flex-start; }
  .ri-btn { align-self: flex-end; }
  .contact-wrapper { gap: 32px; }
}

/* ═══════════════════════════════════════
   BLOOM CHATBOT WIDGET
   ═══════════════════════════════════════ */

/* ═══════════════ BLOOM CHATBOT WIDGET ═══════════════ */
.chatbot-fab {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 56px; height: 56px;
  border-radius: var(--r-md);
  background: var(--c-primary);
  border: none;
  cursor: pointer;
  z-index: 1100;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
  transition: var(--transition);
}
.chatbot-fab:hover { transform: translateY(-2px); }
.chatbot-fab-icon { font-size: 1.4rem; color: var(--c-bg); }

.chatbot-badge {
  position: absolute;
  top: -6px; right: -6px;
  width: 18px; height: 18px;
  background: #000;
  color: white;
  font-size: 0.6rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--c-bg);
}
.chatbot-badge.hidden { display: none; }

.chatbot-window {
  position: fixed;
  bottom: 100px;
  right: 30px;
  width: 320px;
  max-height: 480px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-glow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 1099;
  transform: translateY(10px);
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s ease;
}
.chatbot-window.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}

.chatbot-header {
  background: var(--c-bg2);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--c-border);
}
.chatbot-avatar { font-size: 1.2rem; }
.chatbot-header-info strong { font-size: 0.9rem; font-weight: 600; color: var(--c-text); }
.chatbot-status { font-size: 0.7rem; color: #25d366; }
.chatbot-close-btn {
  background: none;
  border: none;
  color: var(--c-text-dim);
  cursor: pointer;
  font-size: 0.8rem;
}

.chatbot-messages {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.chat-msg.bot .msg-bubble {
  background: var(--c-bg2);
  border: 1px solid var(--c-border);
  color: var(--c-text);
  border-radius: var(--r-sm);
  padding: 8px 12px;
  font-size: 0.85rem;
}
.chat-msg.user .msg-bubble {
  background: var(--c-primary);
  color: var(--c-bg);
  border-radius: var(--r-sm);
  padding: 8px 12px;
  font-size: 0.85rem;
  align-self: flex-end;
}

.chatbot-input-area {
  padding: 10px;
  border-top: 1px solid var(--c-border);
  display: flex;
  gap: 8px;
}
#chatbot-input {
  flex: 1;
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  padding: 6px 12px;
  font-size: 0.85rem;
  outline: none;
}
.chatbot-send-btn {
  background: var(--c-primary);
  color: var(--c-bg);
  border: none;
  border-radius: var(--r-sm);
  padding: 6px 12px;
  cursor: pointer;
}

/* Mobile adjustments */
@media (max-width: 480px) {
  .chatbot-window { width: calc(100vw - 24px); right: 12px; bottom: 156px; }
  .chatbot-fab    { right: 16px; bottom: 90px; }
}


/* ── PAST PAPERS CTA SECTION ── */
.section-papers-cta {
  padding: 48px 0;
  background: var(--c-bg);
}
.papers-cta-box {
  background: var(--c-bg2);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}
.papers-cta-badge {
  display: inline-block;
  background: var(--c-primary);
  color: var(--c-bg);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--r-sm);
  margin-bottom: 16px;
}
.papers-cta-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  color: var(--c-text);
  line-height: 1.2;
  margin-bottom: 20px;
}

.papers-cta-desc {
  font-size: 1.15rem;
  color: var(--c-text-dim);
  margin-bottom: 32px;
  max-width: 500px;
}

.papers-cta-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.papers-cta-visual {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.papers-blob {
  position: absolute;
  width: 300px;
  height: 300px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
  filter: blur(40px);
  opacity: 0.3;
  animation: blobMorph 10s linear infinite;
}

@keyframes blobMorph {
  0%, 100% { border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%; }
  33% { border-radius: 70% 30% 50% 50% / 30% 30% 70% 70%; }
  66% { border-radius: 30% 70% 70% 30% / 50% 40% 30% 60%; }
}

.papers-icon-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  position: relative;
  z-index: 2;
}

.p-icon {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  backdrop-filter: blur(10px);
  transition: var(--transition);
  animation: iconFloat 4s ease-in-out infinite;
}

.p-icon:nth-child(2) { animation-delay: 1s; }
.p-icon:nth-child(3) { animation-delay: 2s; }
.p-icon:nth-child(4) { animation-delay: 3s; }

@keyframes iconFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

.p-icon:hover {
  background: rgba(124, 92, 252, 0.2);
  border-color: var(--c-primary);
  transform: scale(1.1) translateY(-10px);
}

@media (max-width: 992px) {
  .papers-cta-box {
    grid-template-columns: 1fr;
    padding: 24px;
    text-align: center;
  }
  .papers-cta-desc { margin-left: auto; margin-right: auto; }
  .papers-cta-btns { justify-content: center; }
  .papers-cta-visual { height: 200px; margin-top: 40px; }
  .papers-blob { width: 200px; height: 200px; }
  .p-icon { width: 60px; height: 60px; font-size: 1.5rem; }
}