/* =====================================================
   VISION EDUCATION — GATEWAY REDESIGN v3
   Short, high-impact landing page with Slider & Grid
   ===================================================== */

/* ══════════════════════════════════════════
   TOP NAV BAR
══════════════════════════════════════════ */
.hp-nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 900; display: flex; align-items: center;
  justify-content: space-between; padding: 0 2rem;
  height: 68px; background: rgba(5, 8, 15, 0.82);
  backdrop-filter: blur(24px); border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background 0.3s;
}
.hp-nav.scrolled { background: rgba(5, 8, 15, 0.98); }
.hp-nav-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.hp-nav-brand img { width: 34px; height: 34px; object-fit: contain; }
.hp-nav-brand-text { font-size: 1.05rem; font-weight: 800; color: #f1f5f9; letter-spacing: -0.02em; }
.hp-nav-brand-text span { color: #fbbf24; }
.hp-nav-links { display: flex; align-items: center; gap: 0.25rem; }
.hp-nav-link {
  padding: 7px 14px; border-radius: 8px; font-size: 0.85rem;
  font-weight: 600; color: #94a3b8; text-decoration: none; transition: all 0.2s;
}
.hp-nav-link:hover { color: #f1f5f9; background: rgba(255,255,255,0.06); }
.hp-nav-cta { display: flex; align-items: center; gap: 10px; }
.hp-btn-outline {
  padding: 9px 20px; border-radius: 8px; border: 1px solid rgba(255,255,255,0.15);
  font-size: 0.85rem; font-weight: 700; color: #f1f5f9; text-decoration: none;
  transition: all 0.2s; background: transparent;
}
.hp-btn-outline:hover { border-color: #6366f1; color: #818cf8; background: rgba(99,102,241,0.07); }
.hp-btn-primary {
  padding: 9px 22px; border-radius: 8px; background: linear-gradient(135deg, #6366f1, #818cf8);
  border: none; font-size: 0.85rem; font-weight: 700; color: #fff;
  text-decoration: none; transition: all 0.2s; cursor: pointer; display: flex; align-items: center; gap: 6px;
  box-shadow: 0 4px 14px rgba(99,102,241,0.3);
}
.hp-btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(99,102,241,0.45); }
.hp-nav-hamburger {
  display: none; background: none; border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px; color: #94a3b8; cursor: pointer; padding: 8px;
  align-items: center; justify-content: center;
}
@media (max-width: 900px) {
  .hp-nav-links { display: none; }
  .hp-btn-outline { display: none; }
  .hp-nav-hamburger { display: flex; }
}

/* ══════════════════════════════════════════
   HERO SLIDER
══════════════════════════════════════════ */
.hp-slider-wrap {
  position: relative; width: 100%; min-height: 85vh;
  padding-top: 68px; background: #05080f; overflow: hidden;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.hp-slider {
  display: flex; width: 100%; height: 100%;
  transition: transform 0.6s cubic-bezier(0.77, 0, 0.175, 1);
  will-change: transform;
}
.hp-slide {
  flex: 0 0 100%; min-height: 100%;
  display: flex; align-items: center; justify-content: center;
  padding: 4rem 2rem 6rem; position: relative; opacity: 0;
  transition: opacity 0.5s ease 0.2s;
}
.hp-slide.active-slide { opacity: 1; }

.hp-hero-inner {
  position: relative; z-index: 2;
  max-width: 1000px; margin: 0 auto; text-align: center;
  width: 100%;
}

.hp-slider-nav {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  display: flex; gap: 14px; z-index: 10;
}
.hp-slider-dot {
  width: 48px; height: 4px; border-radius: 4px;
  background: rgba(255,255,255,0.15); border: none;
  cursor: pointer; transition: all 0.3s;
}
.hp-slider-dot.active { background: #6366f1; box-shadow: 0 0 10px rgba(99,102,241,0.5); }

/* Animated Orbs */
.hp-hero-orbs { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.hp-orb { position: absolute; border-radius: 50%; filter: blur(100px); opacity: 0.22; animation: hpOrbFloat 18s ease-in-out infinite; }
.hp-orb-1 { width: 600px; height: 600px; background: radial-gradient(circle, #6366f1, transparent 65%); top: -150px; left: -100px; animation-delay: 0s; }
.hp-orb-2 { width: 450px; height: 450px; background: radial-gradient(circle, #fbbf24, transparent 65%); top: 20%; right: -80px; animation-delay: -7s; }
.hp-orb-3 { width: 350px; height: 350px; background: radial-gradient(circle, #10b981, transparent 65%); bottom: 10%; left: 15%; animation-delay: -13s; }
@keyframes hpOrbFloat {
  0%,100% { transform: translate(0,0) scale(1); }
  33% { transform: translate(40px,-50px) scale(1.06); }
  66% { transform: translate(-30px,30px) scale(0.94); }
}
.hp-slider-wrap::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* ══════════════════════════════════════════
   SLIDE 1: HERO COMPONENTS
══════════════════════════════════════════ */
.hp-badge {
  display: inline-flex; align-items: center; gap: 10px;
  background: rgba(99, 102, 241, 0.1); border: 1px solid rgba(99, 102, 241, 0.3);
  color: #818cf8; font-size: 0.72rem; font-weight: 800;
  letter-spacing: 0.13em; text-transform: uppercase;
  padding: 8px 20px; border-radius: 100px; margin-bottom: 2rem;
}
.hp-badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: #fbbf24; animation: hpPulse 2s ease-in-out infinite;
}
@keyframes hpPulse {
  0%,100% { opacity:1; transform:scale(1); }
  50% { opacity:0.4; transform:scale(0.65); }
}
.hp-hero-h1 {
  font-size: clamp(2.8rem, 7vw, 5.2rem); font-weight: 900; line-height: 1.05;
  letter-spacing: -0.04em; color: #f1f5f9; margin-bottom: 1.5rem;
}
.hp-gradient-text {
  background: linear-gradient(135deg, #a5b4fc 0%, #818cf8 40%, #fbbf24 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hp-hero-sub {
  font-size: 1.15rem; color: #94a3b8; max-width: 640px;
  margin: 0 auto 2.5rem; line-height: 1.7;
}

.hp-mode-row { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-bottom: 2.5rem; }
.hp-mode-btn {
  display: flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px; padding: 12px 22px; cursor: pointer; transition: all 0.25s;
  font-family: var(--font-main); color: #f1f5f9;
}
.hp-mode-btn:hover { background: rgba(99,102,241,0.1); border-color: rgba(99,102,241,0.4); transform: translateY(-2px); }
.hp-mode-btn-icon { display: flex; align-items: center; justify-content: center; width: 32px; height: 32px; flex-shrink: 0; color: #818cf8; }
.hp-mode-btn-label { display: flex; flex-direction: column; text-align: left; }
.hp-mode-btn-label strong { font-size: 0.88rem; font-weight: 700; color: #f1f5f9; }
.hp-mode-btn-label span { font-size: 0.72rem; color: #64748b; margin-top: 1px; }

.hp-cta-row { display: flex; justify-content: center; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 3rem; }
.hp-cta-primary {
  display: inline-flex; align-items: center; gap: 10px;
  background: linear-gradient(135deg, #6366f1, #818cf8); color: #fff;
  font-weight: 800; font-size: 0.92rem; padding: 15px 34px;
  border-radius: 10px; text-decoration: none; border: none; cursor: pointer;
  transition: all 0.2s; letter-spacing: 0.03em; box-shadow: 0 6px 24px rgba(99,102,241,0.35);
}
.hp-cta-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(99,102,241,0.45); filter: brightness(1.08); }
.hp-cta-secondary {
  display: inline-flex; align-items: center; gap: 10px;
  background: transparent; color: #94a3b8; font-weight: 700;
  font-size: 0.88rem; padding: 14px 26px; border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.15); text-decoration: none; transition: all 0.2s;
}
.hp-cta-secondary:hover { background: rgba(255,255,255,0.06); color: #f1f5f9; border-color: rgba(255,255,255,0.3); }

.hp-stats-strip { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }
.hp-stat { display: flex; align-items: center; gap: 10px; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08); border-radius: 100px; padding: 8px 18px; backdrop-filter: blur(10px); }
.hp-stat-num { font-size: 1rem; font-weight: 900; color: #fbbf24; }
.hp-stat-lbl { font-size: 0.72rem; color: #94a3b8; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 700; }

/* ══════════════════════════════════════════
   SLIDE CONTENT HELPERS
══════════════════════════════════════════ */
.hp-section-label {
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  font-size: 0.7rem; font-weight: 800; letter-spacing: 0.14em;
  text-transform: uppercase; color: #6366f1; margin-bottom: 1rem; width: 100%;
}
.hp-section-label::before, .hp-section-label::after {
  content: ''; width: 24px; height: 2px; background: #6366f1; border-radius: 2px;
}
.hp-slide-h2 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 900; color: #f1f5f9; letter-spacing: -0.03em; margin-bottom: 0.75rem; }
.hp-slide-sub { font-size: 1.05rem; color: #94a3b8; max-width: 600px; margin: 0 auto 2.5rem; line-height: 1.6; }

/* GRID SYSTEMS FOR SLIDES */
.hp-subjects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.25rem; text-align: left; }
.hp-subject-card {
  background: #0d1117; border: 1px solid rgba(255,255,255,0.07);
  border-radius: 16px; padding: 1.75rem; transition: all 0.25s; text-decoration: none;
  display: flex; flex-direction: column; gap: 0.8rem; position: relative; overflow: hidden;
}
.hp-subject-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--card-accent, #6366f1); opacity: 0.8; }
.hp-subject-card:hover { transform: translateY(-3px); border-color: rgba(255,255,255,0.15); box-shadow: 0 16px 40px rgba(0,0,0,0.5); }
.hp-card-icon { width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center; background: var(--card-icon-bg); border: 1px solid var(--card-icon-border); color: var(--card-accent); }
.hp-card-title { font-size: 1.15rem; font-weight: 800; color: #f1f5f9; }
.hp-card-desc { font-size: 0.85rem; color: #94a3b8; line-height: 1.6; flex: 1; }
.hp-card-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 0.5rem; }
.hp-card-tag { font-size: 0.65rem; font-weight: 700; text-transform: uppercase; padding: 5px 12px; border-radius: 100px; background: var(--card-icon-bg); color: var(--card-accent); letter-spacing: 0.05em; }

.hp-steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.25rem; text-align: left; }
.hp-step-card { background: #0d1117; border: 1px solid rgba(255,255,255,0.07); border-radius: 16px; padding: 2rem; transition: all 0.25s; }
.hp-step-num { font-size: 3.5rem; font-weight: 900; line-height: 1; letter-spacing: -0.04em; background: linear-gradient(135deg, rgba(99,102,241,0.5), rgba(99,102,241,0.1)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 1rem; }
.hp-step-title { font-size: 1.1rem; font-weight: 800; color: #f1f5f9; margin-bottom: 0.5rem; }
.hp-step-desc { font-size: 0.85rem; color: #94a3b8; line-height: 1.6; }

/* ══════════════════════════════════════════
   GATEWAY GRID SECTION (Bento)
══════════════════════════════════════════ */
.hp-gateway-section { padding: 4rem 2rem 6rem; max-width: 1300px; margin: 0 auto; }
.hp-gateway-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.25rem;
}
.hp-bento-item {
  background: #0d1117; border: 1px solid rgba(255,255,255,0.07);
  border-radius: 16px; padding: 2rem; transition: all 0.25s;
  position: relative; overflow: hidden; display: flex; flex-direction: column;
}
.hp-bento-item:hover { border-color: rgba(255,255,255,0.15); transform: translateY(-2px); box-shadow: 0 12px 30px rgba(0,0,0,0.4); }

/* Accent Highlights for Gateway Cards */
.hp-bento-item.glow-indigo::after { content:''; position:absolute; top:-50px; right:-50px; width:150px; height:150px; background:radial-gradient(circle, rgba(99,102,241,0.15), transparent 70%); pointer-events:none; }
.hp-bento-item.glow-gold::after { content:''; position:absolute; top:-50px; right:-50px; width:150px; height:150px; background:radial-gradient(circle, rgba(251,191,36,0.15), transparent 70%); pointer-events:none; }

.hp-bento-label { font-size: 0.65rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; color: #6366f1; margin-bottom: 0.75rem; display: flex; align-items: center; gap: 7px; }
.hp-bento-label::before { content: ''; width: 14px; height: 2px; background: #6366f1; border-radius: 2px; }
.hp-bento-title { font-size: 1.2rem; font-weight: 800; color: #f1f5f9; margin-bottom: 0.6rem; letter-spacing: -0.02em; line-height: 1.25; }
.hp-bento-desc { font-size: 0.86rem; color: #94a3b8; line-height: 1.6; flex: 1; }

.hp-ai-pill { display: inline-flex; align-items: center; gap: 8px; background: rgba(99,102,241,0.12); border: 1px solid rgba(99,102,241,0.25); border-radius: 100px; padding: 6px 16px; font-size: 0.78rem; font-weight: 700; color: #818cf8; margin-top: 1rem; width: max-content; }
.hp-ai-dot { width: 6px; height: 6px; border-radius: 50%; background: #22c55e; animation: hpPulse 2s infinite; }

.hp-diff-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 1rem; }
.hp-diff-badge { padding: 5px 12px; border-radius: 100px; font-size: 0.7rem; font-weight: 700; }
.hp-diff-badge.easy { background: rgba(34,197,94,0.12); color: #4ade80; }
.hp-diff-badge.medium { background: rgba(251,191,36,0.12); color: #fbbf24; }
.hp-diff-badge.hard { background: rgba(248,113,113,0.12); color: #f87171; }

.hp-creator-wrap { margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,0.06); display: flex; align-items: center; gap: 12px; }
.hp-creator-avatar { width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, #6366f1, #818cf8); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 0.9rem; font-weight: 800; }
.hp-creator-info h4 { font-size: 0.9rem; color: #f1f5f9; margin-bottom: 2px; }
.hp-creator-info p { font-size: 0.75rem; color: #64748b; line-height: 1.3; }

.hp-social-links { display: flex; gap: 8px; margin-top: 1rem; }
.hp-social-btn { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 6px; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); font-size: 0.7rem; font-weight: 600; color: #94a3b8; text-decoration: none; transition: all 0.2s; }
.hp-social-btn:hover { background: rgba(255,255,255,0.1); color: #f1f5f9; }

.hp-plan-strip { display: grid; grid-template-columns: 1fr; gap: 1rem; margin-top: 1rem; }
.hp-plan-card { padding: 1.5rem; background: rgba(5,8,15,0.5); border: 1px solid rgba(255,255,255,0.08); border-radius: 12px; }
.hp-plan-tag { display: inline-block; padding: 3px 10px; border-radius: 4px; font-size: 0.65rem; font-weight: 800; text-transform: uppercase; margin-bottom: 0.5rem; }
.hp-plan-tag.free { background: rgba(99,102,241,0.15); color: #818cf8; }
.hp-plan-tag.premium { background: rgba(251,191,36,0.15); color: #fbbf24; }
.hp-plan-name { font-size: 1.1rem; font-weight: 800; color: #f1f5f9; margin-bottom: 0.5rem; }
.hp-plan-feats { list-style: none; padding: 0; margin: 1rem 0; font-size: 0.8rem; color: #94a3b8; }
.hp-plan-feats li { margin-bottom: 4px; display: flex; gap: 6px; align-items: center; }
.hp-plan-feats li::before { content: '•'; color: #6366f1; }
.hp-plan-btn { display: block; width: 100%; text-align: center; padding: 10px; border-radius: 8px; font-size: 0.8rem; font-weight: 700; text-decoration: none; transition: all 0.2s; }
.hp-plan-btn.primary { background: #6366f1; color: #fff; }
.hp-plan-btn.primary:hover { background: #818cf8; }
.hp-plan-btn.ghost { border: 1px solid rgba(255,255,255,0.15); color: #f1f5f9; }
.hp-plan-btn.ghost:hover { background: rgba(255,255,255,0.05); }

/* Progress demo */
.hp-progress-demo { display: flex; flex-direction: column; gap: 8px; margin-top: 1rem; width: 100%; }
.hp-prog-row { display: grid; grid-template-columns: 70px 1fr 34px; align-items: center; gap: 10px; }
.hp-prog-label { font-size: 0.72rem; color: #64748b; font-weight: 600; }
.hp-prog-track { height: 4px; background: rgba(255,255,255,0.06); border-radius: 100px; }
.hp-prog-fill { height: 100%; border-radius: 100px; }
.hp-prog-pct { font-size: 0.7rem; color: #94a3b8; font-weight: 700; text-align: right; }

/* ══════════════════════════════════════════
   FOOTER (Extracted as-is)
══════════════════════════════════════════ */
.hp-note-band {
  background: #0d1117; padding: 20px; text-align: center; font-size: 0.75rem;
  color: #64748b; border-top: 1px solid rgba(255,255,255,0.05); line-height: 1.5;
}
.hp-note-band a { color: #818cf8; text-decoration: none; }
.hp-note-band a:hover { text-decoration: underline; }

.hp-footer { background: #05080f; border-top: 1px solid rgba(255,255,255,0.05); padding: 4rem 2rem; text-align: center; }
.hp-footer-inner { max-width: 1000px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; gap: 1.5rem; }
.hp-footer-brand { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; }
.hp-footer-brand-name { font-size: 1.1rem; font-weight: 800; color: #f1f5f9; }
.hp-footer-brand-name span { color: #fbbf24; }
.hp-footer-meta { font-size: 0.75rem; color: #64748b; max-width: 600px; line-height: 1.6; }
.hp-footer-links { display: flex; gap: 20px; flex-wrap: wrap; justify-content: center; }
.hp-footer-link, .hp-footer-yt { display: inline-flex; align-items: center; gap: 6px; font-size: 0.75rem; font-weight: 600; color: #94a3b8; text-decoration: none; transition: all 0.2s; background: none; border: none; cursor: pointer; }
.hp-footer-link:hover, .hp-footer-yt:hover { color: #f1f5f9; }
.hp-footer-divider { width: 100%; height: 1px; background: rgba(255,255,255,0.05); margin: 1rem 0; }
.hp-footer-bottom { font-size: 0.75rem; color: #475569; }