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

body {
  font-family: 'Heebo', sans-serif;
  background: #0a0e1a;
  color: #fff;
  overflow-x: hidden;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 30px;
  height: 60px;
  background: rgba(10, 14, 26, 0.6);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background 0.3s;
}

.navbar.scrolled {
  background: rgba(10, 14, 26, 0.92);
}

.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

/* Right: Logo + socials */
.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-img {
  height: 34px;
  width: auto;
}

.nav-socials {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-social {
  color: rgba(255, 255, 255, 0.6);
  display: flex;
  align-items: center;
  transition: color 0.2s;
}

.nav-social:hover {
  color: #fff;
}

/* Menu links */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}

.nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.nav-link-active {
  color: #ffd54f;
  font-weight: 700;
}

/* Actions: bell + avatar */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-bell {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.6);
  cursor: pointer;
  padding: 6px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  transition: color 0.2s, background 0.2s;
}

.nav-bell:hover {
  color: #ffd54f;
  background: rgba(255, 255, 255, 0.08);
}

.nav-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
}

.avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Hamburger (mobile only) */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 650px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding-bottom: 36px;
}

/* Sky BG */
.hero-bg {
  position: absolute;
  inset: 0;
  background: url('images/sky-bg.png') center center / cover no-repeat;
  z-index: 0;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(10, 14, 26, 0) 0%,
    rgba(10, 14, 26, 0) 35%,
    rgba(10, 14, 26, 0.18) 60%,
    rgba(10, 14, 26, 0.65) 85%,
    #0a0e1a 100%
  );
}

/* ===== Layout wrapper ===== */
.hero-layout {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1300px;
  padding: 0 30px;
  display: flex;
  align-items: stretch;
  justify-content: center;
}

/* ===== Main Container ===== */
.main-container {
  position: relative;
  overflow: visible;
  background: rgba(12, 10, 35, 0.75);
  border: 2px solid rgba(190, 215, 55, 0.45);
  border-radius: 22px;
  padding: 36px 44px 32px;
  width: 100%;
  max-width: 980px;
  backdrop-filter: blur(12px);
  text-align: center;
}

/* ===== Mascot — overlaps top-right corner of container ===== */
.mascot {
  position: absolute;
  right: -130px;
  top: -60px;
  width: 300px;
  height: auto;
  z-index: 10;
  filter: drop-shadow(0 10px 35px rgba(0, 0, 0, 0.45));
  animation: float 3.5s ease-in-out infinite;
  pointer-events: none;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-14px) rotate(1deg); }
}

/* ===== Title ===== */
.hero-title {
  font-size: clamp(2.6rem, 4.8vw, 3.6rem);
  font-weight: 900;
  color: #ffd54f;
  line-height: 1.1;
  margin-bottom: 6px;
  text-shadow: 0 3px 18px rgba(0, 0, 0, 0.55);
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  font-weight: 500;
  color: #e2e2e2;
  margin-bottom: 30px;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.4);
}

/* ===== Cards ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.card {
  background: linear-gradient(155deg, #3e3592 0%, #302778 50%, #272168 100%);
  border: 1.2px solid rgba(100, 85, 200, 0.22);
  border-radius: 14px;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  height: 100%;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(80, 60, 180, 0.3);
  border-color: rgba(130, 110, 230, 0.4);
}

.card-inner {
  padding: 22px 18px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  height: 100%;
  gap: 8px;
}

.card-title {
  font-size: 1.02rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.45;
  white-space: nowrap;
}

.card-text {
  font-size: 0.8rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
  flex: 1;
  display: flex;
  align-items: center;
}

.card-action {
  margin-top: auto;
  padding-top: 6px;
}

/* ===== Card CTAs ===== */
.btn-text {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: 'Heebo', sans-serif;
  font-weight: 800;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s;
}

.btn-text:hover {
  opacity: 0.9;
  transform: scale(1.03);
}

/* VIP */
.btn-vip {
  color: #f5c842;
  font-size: 1.25rem;
}

/* Course */
.btn-course {
  color: #f5c842;
  font-size: 1.08rem;
}

.btn-icon-101 {
  width: 34px;
  height: 34px;
  border-radius: 50%;
}

/* Dictionary */
.btn-dict {
  border: 1.5px solid rgba(140, 220, 140, 0.5);
  border-radius: 8px;
  padding: 8px 20px;
  color: #a8e8a8;
  font-size: 0.9rem;
  font-weight: 700;
}

.btn-dict:hover {
  background: rgba(140, 220, 140, 0.1);
  border-color: rgba(140, 220, 140, 0.7);
}

/* Bitunix */
.bitunix-logo {
  height: 36px;
  width: auto;
}

/* ===== Bottom Banner ===== */
.bottom-banner {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 18px;
  padding: 6px 0;
}

.banner-text {
  font-size: 0.88rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.6);
}

.yt-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #cc0000;
  color: #fff;
  padding: 5px 14px;
  border-radius: 4px;
  font-family: 'Heebo', sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.2s;
}

.yt-btn:hover { background: #aa0000; }

.yt-icon {
  width: 18px;
  height: 18px;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
  position: relative;
  width: 100%;
  min-height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 0 60px;
}

/* BG — dramatic cyberpunk, very visible */
.about-bg {
  position: absolute;
  inset: 0;
  background: url('images/cyberpunk-bg.jpg') center center / cover no-repeat;
  z-index: 0;
}

.about-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    #0a0e1a 0%,
    rgba(10, 14, 26, 0.45) 10%,
    rgba(10, 14, 26, 0.15) 35%,
    rgba(10, 14, 26, 0.15) 65%,
    rgba(10, 14, 26, 0.55) 88%,
    #0a0e1a 100%
  );
}

/* ===== Layout: everything positioned absolutely over the photo ===== */
.about-layout {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1300px;
  margin: 0 auto;
  min-height: 75vh;
  display: flex;
  align-items: flex-start;
  padding: 0 30px;
}

/* ===== Photo — MASSIVE, center-left, full-height ===== */
.about-photo-area {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: -20px;
  width: 460px;
  z-index: 1;
  pointer-events: none;
}

/* Info card: behind the photo — head overlaps top-right corner */
.info-card {
  position: absolute;
  top: 100px;
  left: -100px;
  right: auto;
  width: 350px;
  background: rgba(8, 6, 25, 0.65);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(100, 80, 200, 0.2);
  border-radius: 14px;
  padding: 20px 22px 22px;
  z-index: 0;
  text-align: left;
}

/* Photo renders above info card */
.about-photo {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  object-fit: contain;
  object-position: top center;
  filter: drop-shadow(0 10px 50px rgba(0, 0, 0, 0.6));
}

.info-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.info-card-name {
  font-size: 1.6rem;
  font-weight: 900;
  color: #4ade80;
  text-align: left;
}

.info-card-socials {
  display: flex;
  gap: 10px;
}

.social-icon {
  color: rgba(255, 255, 255, 0.65);
  display: flex;
  align-items: center;
  transition: color 0.2s;
}

.social-icon:hover {
  color: #ffd54f;
}

.info-card-subtitle {
  font-size: 0.92rem;
  font-weight: 700;
  color: #68d0f0;
  margin-bottom: 8px;
  text-align: left;
}

.info-card-bio {
  font-size: 0.8rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.55;
}

/* ===== About Text — right side ===== */
.about-text {
  position: relative;
  z-index: 3;
  margin-right: 0;
  margin-left: auto;
  width: 45%;
  padding: 50px 40px 40px 0;
  text-align: center;
}

.about-headline {
  font-size: clamp(1.5rem, 2.4vw, 1.9rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.35;
  margin-bottom: 28px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.7);
}

.about-para {
  font-size: 1rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.7;
  margin-bottom: 6px;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.6);
}

.about-para-spaced {
  margin-top: 28px;
}

/* ===== Choice Box — overlapping bottom of photo ===== */
.choice-box {
  position: relative;
  z-index: 4;
  max-width: 640px;
  width: 85%;
  margin: -120px auto 0;
  background: rgba(12, 10, 25, 0.88);
  border: 2px solid rgba(255, 255, 255, 0.08);
  border-radius: 22px;
  padding: 38px 44px 26px;
  text-align: center;
  backdrop-filter: blur(12px);
  box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
}

.choice-title {
  font-size: 2.3rem;
  font-weight: 900;
  color: #fff;
  margin-bottom: 26px;
}

.choice-buttons {
  display: flex;
  justify-content: center;
  gap: 36px;
  margin-bottom: 20px;
}

.choice-option {
  text-align: center;
}

.choice-btn {
  display: inline-block;
  padding: 15px 46px;
  border-radius: 12px;
  font-family: 'Heebo', sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
  text-decoration: none;
  color: #fff;
  transition: transform 0.2s, box-shadow 0.2s;
  margin-bottom: 12px;
}

.choice-btn:hover {
  transform: translateY(-3px);
}

.choice-btn-long {
  background: linear-gradient(135deg, #22c55e, #16a34a);
  box-shadow: 0 4px 22px rgba(34, 197, 94, 0.35);
}

.choice-btn-long:hover {
  box-shadow: 0 8px 30px rgba(34, 197, 94, 0.5);
}

.choice-btn-short {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  box-shadow: 0 4px 22px rgba(239, 68, 68, 0.35);
}

.choice-btn-short:hover {
  box-shadow: 0 8px 30px rgba(239, 68, 68, 0.5);
}

.choice-desc {
  font-size: 0.88rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.5);
}

.choice-disclaimer {
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.25);
  margin-top: 14px;
}

/* ===== Responsive ===== */
@media (max-width: 1250px) {
  .mascot {
    width: 240px;
    right: -100px;
    top: -40px;
  }
}

@media (max-width: 1050px) {
  .mascot {
    width: 190px;
    right: -70px;
    top: -25px;
  }

  .main-container {
    padding: 30px 28px 26px;
    max-width: 820px;
  }

  .card-title {
    white-space: normal;
  }
}

@media (max-width: 850px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 60px;
    right: 0;
    left: 0;
    background: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 16px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-link {
    padding: 12px 16px;
    width: 100%;
    text-align: right;
  }

  .nav-actions {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .about-layout {
    flex-direction: column;
    align-items: center;
  }

  .about-photo-area {
    position: relative;
    left: auto;
    transform: none;
    width: 100%;
    max-width: 350px;
  }

  .about-text {
    width: 100%;
    padding: 30px 20px;
    margin: 0;
    text-align: center;
  }

  .info-card {
    position: relative;
    top: auto;
    right: auto;
    width: 100%;
    margin-top: -60px;
  }

  .choice-buttons {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }

  .choice-box {
    padding: 28px 22px 20px;
    margin-top: 20px;
  }

  .mascot {
    position: relative;
    right: auto;
    top: auto;
    width: 140px;
    margin: 0 auto -30px;
    display: block;
  }

  @keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
  }

  .hero-layout {
    flex-direction: column;
    align-items: center;
  }

  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero {
    justify-content: center;
    padding-bottom: 30px;
  }
}

@media (max-width: 550px) {
  .cards-grid {
    grid-template-columns: 1fr;
  }

  .main-container {
    padding: 22px 14px 18px;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .bottom-banner {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }
}