/* ===== HOME PAGE CSS ===== */

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; pointer-events: none; overflow: hidden;
}
.hero-dots {
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse 75% 60% at 60% 40%, black 0%, transparent 70%);
}
.hero-orb {
  position: absolute; border-radius: 50%; filter: blur(90px); pointer-events: none;
  animation: driftOrb 12s ease-in-out infinite alternate;
}
.hero-orb.o1 { width:700px;height:700px;background:radial-gradient(circle,rgba(34,197,94,0.1) 0%,transparent 70%); top:-150px;right:-100px; animation-duration:14s; }
.hero-orb.o2 { width:400px;height:400px;background:radial-gradient(circle,rgba(34,197,94,0.06) 0%,transparent 70%); bottom:-60px;left:5%; animation-duration:10s; animation-delay:-4s; }
.hero-orb.o3 { width:300px;height:300px;background:radial-gradient(circle,rgba(34,197,94,0.04) 0%,transparent 70%); top:40%;left:40%; animation-duration:16s; animation-delay:-8s; }
@keyframes driftOrb {
  from { transform: translate(0,0) scale(1); }
  to   { transform: translate(30px,20px) scale(1.05); }
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 480px;
  gap: 64px;
  align-items: center;
  width: 100%;
}
.hero-left h1 {
  font-family: var(--fw-display);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.0;
  color: var(--text);
  margin: 1rem 0 1.4rem;
}
.h-line { display: block; }
.em-line { color: var(--em); }
.cursor {
  display: inline-block;
  width: 3px; height: 0.85em;
  background: var(--em);
  margin-left: 4px;
  vertical-align: middle;
  border-radius: 2px;
  animation: blink 1.1s step-end infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

.hero-desc { color: var(--text2); font-size: 1.1rem; max-width: 52ch; margin-bottom: 2rem; line-height: 1.7; }
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 2rem; }
.hero-pills { display: flex; gap: 8px; flex-wrap: wrap; }
.hero-pills span {
  font-size: 0.76rem; font-weight: 500; color: var(--text3);
  background: var(--surface); border: 1px solid var(--border);
  padding: 5px 12px; border-radius: 999px;
}
.hero-line {
  position: absolute; bottom: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--em-border), transparent);
}

/* HERO VISUAL CARD */
.hero-visual-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: 20px;
  padding: 4px;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  overflow: hidden;
}
.hero-visual-card:hover {
  border-color: var(--em-border);
  transform: translateY(-6px);
  box-shadow: 0 40px 80px rgba(0,0,0,0.5), 0 0 0 1px var(--em-border);
}
.hero-visual-card svg {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 16px;
}
.hvc-badge {
  position: absolute;
  bottom: 18px;
  left: 18px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--em-text);
  background: rgba(12,15,13,0.85);
  border: 1px solid var(--em-border);
  padding: 6px 12px;
  border-radius: 999px;
  backdrop-filter: blur(8px);
}
.hvc-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--em);
  box-shadow: 0 0 6px var(--em);
  animation: blink 2s infinite;
}

/* STATS STRIP */
.stats-strip {
  padding: 48px 0;
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stats-grid {
  display: flex; align-items: center; justify-content: space-around;
  gap: 16px; flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-item .count-num {
  display: block; font-family: var(--fw-display);
  font-size: 2.4rem; font-weight: 700; color: var(--em);
  letter-spacing: -0.04em; line-height: 1;
}
.stat-item span:last-child { font-size: 0.83rem; color: var(--text3); }
.stat-sep { width: 1px; height: 40px; background: var(--border); }
@media (max-width: 600px) { .stat-sep { display: none; } }

/* COURSES PREVIEW */
.courses-preview { padding: 100px 0; background: var(--bg); }
.cp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px; margin-bottom: 3rem;
}
.cp-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 26px 22px;
  display: flex; flex-direction: column; gap: 10px;
  position: relative; overflow: hidden;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s, background 0.25s;
  cursor: default;
}
.cp-card:hover {
  border-color: var(--em-border);
  transform: translateY(-5px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.3);
  background: var(--surface2);
}
.cp-top-bar { position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--em-dim),var(--em)); }
.cp-badge { align-self: flex-start; font-size:0.68rem;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;color:var(--em);background:var(--em-muted);border:1px solid var(--em-border);padding:3px 10px;border-radius:999px; }
.cp-icon { width:40px;height:40px;border-radius:10px;background:rgba(34,197,94,0.1);border:1px solid var(--em-border);display:flex;align-items:center;justify-content:center;color:var(--em); }
.cp-card h3 { font-family:var(--fw-display);font-size:1.1rem;font-weight:600;color:var(--text);letter-spacing:-0.01em;line-height:1.25; }
.cp-card p { font-size:0.86rem;color:var(--text2);line-height:1.6;flex:1; }
.cp-meta { display:flex;gap:8px; }
.cp-meta span { font-size:0.72rem;font-weight:500;color:var(--text3);background:var(--surface3);padding:3px 9px;border-radius:999px;border:1px solid var(--border); }
.cp-link { font-size:0.85rem;font-weight:600;color:var(--em-text);transition:color 0.2s,gap 0.2s;display:inline-flex;align-items:center;gap:4px;padding-top:8px;border-top:1px solid var(--border); }
.cp-link:hover { color:var(--em);gap:8px; }
.cp-footer { text-align:center; }
.cp-footer p { color:var(--text3);font-size:0.88rem;margin-bottom:1.25rem; }

/* WHY SECTION */
.why-section { padding: 100px 0; background: var(--bg2); }
.why-grid { display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center; }
.why-left h2 { font-family:var(--fw-display);font-size:clamp(2rem,3.5vw,2.8rem);font-weight:700;letter-spacing:-0.03em;color:var(--text);margin:0.6rem 0 1.25rem;line-height:1.1; }
.why-left p { color:var(--text2);font-size:0.97rem;line-height:1.75; }
.why-right { display:flex;flex-direction:column;gap:10px; }
.feature-card { display:flex;gap:14px;align-items:flex-start;padding:18px;border-radius:var(--r);background:var(--surface);border:1px solid var(--border);transition:border-color 0.25s,background 0.25s; }
.feature-card:hover { border-color:var(--em-border);background:var(--surface2); }
.fc-icon { width:38px;height:38px;min-width:38px;border-radius:9px;background:var(--em-muted);border:1px solid var(--em-border);display:flex;align-items:center;justify-content:center;color:var(--em); }
.feature-card strong { display:block;font-size:0.93rem;font-weight:600;color:var(--text);margin-bottom:3px; }
.feature-card p { color:var(--text2);font-size:0.83rem;margin:0;line-height:1.55; }

/* TUTOR PREVIEW */
.tutor-preview { padding: 100px 0; background: var(--bg); }
.tp-inner { display:grid;grid-template-columns:340px 1fr;gap:60px;align-items:center;background:var(--surface);border:1px solid var(--border2);border-radius:22px;overflow:hidden; }
.tp-photo { position:relative;height:460px; }
.tp-photo img { width:100%;height:100%;object-fit:cover;object-position:top center; }
.tp-photo-overlay { position:absolute;inset:0;background:linear-gradient(90deg,transparent 60%,var(--surface)); }
.tp-content { padding:48px 40px 48px 0; }
.tp-content h2 { font-family:var(--fw-display);font-size:clamp(2rem,3vw,2.5rem);font-weight:700;letter-spacing:-0.03em;color:var(--text);margin:0.6rem 0 1.25rem;line-height:1.1; }
.tp-content p { color:var(--text2);font-size:0.95rem;line-height:1.75;margin-bottom:0.75rem; }
.tp-socials { display:flex;gap:8px;margin-top:1.5rem; }
.tp-socials a { width:38px;height:38px;border-radius:9px;border:1px solid var(--border2);background:var(--surface2);display:flex;align-items:center;justify-content:center;overflow:hidden;transition:border-color 0.2s,transform 0.2s; }
.tp-socials a:hover { border-color:var(--em-border);transform:translateY(-2px); }
.tp-socials img { width:24px;height:24px;object-fit:contain;border-radius:5px; }

/* FAQ */
.faq-section { padding: 100px 0; background: var(--bg2); }
.faq-grid { display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:0; }
.faq-col { display:flex;flex-direction:column;gap:8px; }
.faq-item { background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;transition:border-color 0.25s; }
.faq-item.open { border-color:var(--em-border); }
.faq-btn { width:100%;display:flex;justify-content:space-between;align-items:center;gap:12px;padding:18px 20px;background:transparent;border:none;cursor:pointer;text-align:left;color:var(--text);font-family:var(--fw-body);font-size:0.93rem;font-weight:500; }
.faq-ico { width:26px;height:26px;min-width:26px;border-radius:7px;border:1px solid var(--border2);display:flex;align-items:center;justify-content:center;font-size:1rem;color:var(--text2);transition:transform 0.25s,background 0.25s,border-color 0.25s;background:var(--surface2); }
.faq-item.open .faq-ico { background:var(--em-muted);border-color:var(--em-border);color:var(--em);transform:rotate(45deg); }
.faq-ans { max-height:0;overflow:hidden;transition:max-height 0.3s ease,padding 0.2s; }
.faq-ans.open { padding:0 20px 18px; }
.faq-ans p { font-size:0.88rem;color:var(--text2);line-height:1.7; }

/* CTA BANNER */
.cta-banner { padding: 80px 0; background: var(--bg); }
.cta-inner {
  position:relative;overflow:hidden;
  text-align:center;
  background:linear-gradient(135deg,var(--surface2),var(--surface));
  border:1px solid var(--em-border);
  border-radius:24px;padding:60px 40px;
}
.cta-glow { position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:400px;height:200px;background:radial-gradient(ellipse,var(--em-glow) 0%,transparent 70%);pointer-events:none; }
.cta-inner h2 { font-family:var(--fw-display);font-size:clamp(2rem,4vw,3rem);font-weight:700;letter-spacing:-0.03em;color:var(--text);margin:0.6rem 0 0.75rem; }
.cta-inner p { color:var(--text2);font-size:1rem;max-width:480px;margin:0 auto 2rem; }
.cta-btns { display:flex;gap:12px;justify-content:center;flex-wrap:wrap; }

/* ===== VIDEO CARD — glowing border design ===== */
.video-wrap {
  position: relative;
  border-radius: 22px;
  padding: 3px; /* border thickness */
  background: linear-gradient(135deg, rgba(34,197,94,0.6) 0%, rgba(34,197,94,0.1) 40%, rgba(34,197,94,0.5) 100%);
  box-shadow:
    0 0 0 1px rgba(34,197,94,0.15),
    0 8px 40px rgba(34,197,94,0.18),
    0 32px 80px rgba(0,0,0,0.5);
  transition: box-shadow 0.35s ease, transform 0.3s ease;
  animation: borderPulse 4s ease-in-out infinite;
}
@keyframes borderPulse {
  0%,100% { box-shadow: 0 0 0 1px rgba(34,197,94,0.15), 0 8px 40px rgba(34,197,94,0.18), 0 32px 80px rgba(0,0,0,0.5); }
  50%      { box-shadow: 0 0 0 1px rgba(34,197,94,0.3),  0 12px 60px rgba(34,197,94,0.3),  0 32px 80px rgba(0,0,0,0.5); }
}
.video-wrap:hover {
  transform: translateY(-6px);
  box-shadow:
    0 0 0 1px rgba(34,197,94,0.4),
    0 16px 60px rgba(34,197,94,0.28),
    0 40px 100px rgba(0,0,0,0.55);
  animation: none;
}
.video-wrap-inner {
  background: var(--surface);
  border-radius: 20px;
  padding: 18px;
  overflow: hidden;
}
.video-badge {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--em); margin-bottom: 12px;
  display: flex; align-items: center; gap: 6px;
}
.video-badge::before {
  content: '';
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--em); box-shadow: 0 0 6px var(--em);
  animation: blink 2s infinite;
}
.video-box {
  position: relative; border-radius: 12px; overflow: hidden;
  cursor: pointer; aspect-ratio: 16/9; background: var(--bg3);
  border: 1px solid rgba(34,197,94,0.12);
}
.video-box img { width:100%;height:100%;object-fit:cover;transition:transform 0.3s; display:block; }
.video-box:hover img { transform: scale(1.03); }
.play-btn {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.2); border: none; cursor: pointer;
  transition: background 0.2s;
  color: white;
}
.play-btn::before {
  content: ''; position: absolute;
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--em); opacity: 0.96;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 24px rgba(34,197,94,0.4);
}
.play-btn:hover::before { transform: scale(1.12); box-shadow: 0 0 0 16px rgba(34,197,94,0.1), 0 4px 24px rgba(34,197,94,0.5); }
.play-btn svg { position: relative; z-index:1; color: #061009; margin-left: 3px; }
.video-card-glow {
  position: absolute; bottom: -20px; left: 50%; transform: translateX(-50%);
  width: 80%; height: 40px;
  background: radial-gradient(ellipse, rgba(34,197,94,0.2) 0%, transparent 70%);
  pointer-events: none; border-radius: 50%; filter: blur(8px);
}

/* RESPONSIVE */
@media (max-width:1060px) {
  .tp-inner { grid-template-columns:280px 1fr; }
  .tp-photo { height:400px; }
}

@media (max-width:900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  /* ── Hero text center on tablet/mobile ── */
  .hero-left { text-align: center; }
  .hero-left .tag { margin-left: auto; margin-right: auto; }
  .hero-btns { justify-content: center; }
  .hero-pills { justify-content: center; }
  .hero-desc { margin-left: auto; margin-right: auto; }

  /* ── Video fully visible on tablet ── */
  .hero-right {
    width: 100%;
    max-width: 540px;
    margin: 0 auto;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
  }
  .video-wrap { width: 100%; }

  .why-grid { grid-template-columns:1fr; gap:48px; }
  .why-left { text-align: center; }
  .why-left .tag { margin-left: auto; margin-right: auto; }
  .why-left a { margin-left: auto; margin-right: auto; }

  .cp-grid { grid-template-columns:repeat(2,1fr); }
  .faq-grid { grid-template-columns:1fr; }
  .tp-inner { grid-template-columns:1fr; }
  .tp-photo { height:320px; }
  .tp-photo-overlay { background:linear-gradient(180deg,transparent 60%,var(--surface)); }
  .tp-content { padding:32px 28px; text-align: center; }
  .tp-content .tag { margin: 0 auto; }
  .tp-socials { justify-content: center; }

  .section-head { text-align: center; }
}

@media (max-width:600px) {
  .hero { padding: 88px 0 48px; min-height: auto; }
  .hero-inner { gap: 28px; }
  .hero-left h1 { font-size: 2.4rem; }

  /* ── Video always visible on mobile ── */
  .hero-right {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    max-width: 100%;
  }
  .video-wrap { border-radius: 16px; }
  .video-wrap-inner { padding: 14px; border-radius: 14px; }

  .cp-grid { grid-template-columns:1fr; }
  .stats-grid { gap:24px; justify-content:center; }
  .cta-inner { padding:40px 24px; }

  .faq-grid { grid-template-columns:1fr; }
  .why-right { gap: 8px; }
}