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

:root {
  --bg: #0a0a0a;
  --text: #F1F1F1;
  --text-muted: #7F7F7F;
  --accent: #64AA39;
  --accent-glow: rgba(100, 170, 57, 0.3);
  --accent-green: #22A73F;
  --card-bg: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.08);
}

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

body {
  font-family: 'Noto Sans KR', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

.bg-overlay {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(100, 170, 57, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 100%, rgba(82, 118, 159, 0.06) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.container {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
}

.header {
  width: 100%;
  margin-bottom: 0.5rem;
}

.logo-area {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 120px;
  width: auto;
  object-fit: contain;
}

@media (max-width: 640px) {
  .logo-img {
    height: 72px;
  }
}

.hero {
  text-align: center;
  margin-bottom: 3rem;
}

.hero-tagline {
  font-family: 'Inter', sans-serif;
  font-weight: 300;
  font-size: clamp(0.85rem, 2vw, 1rem);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.hero-title {
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  font-size: clamp(2.5rem, 8vw, 5rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, #ffffff 0%, #C3DFB2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(0.95rem, 2.5vw, 1.2rem);
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.8;
}

.teasers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  width: 100%;
  margin-bottom: 2.5rem;
}

.teaser-card {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 3 / 2;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.teaser-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(100, 170, 57, 0.15);
}

.teaser-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.teaser-card:hover img {
  transform: scale(1.05);
}

.teaser-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 10, 10, 0.9) 0%, rgba(10, 10, 10, 0.2) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.25rem;
}

.teaser-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.02em;
  margin-bottom: 0.25rem;
}

.teaser-detail {
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.4;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  width: 100%;
  margin-bottom: 3rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

.stat-value {
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  font-size: clamp(1.5rem, 4vw, 2rem);
  background: linear-gradient(135deg, var(--accent), var(--accent-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  font-weight: 400;
}

.notify {
  text-align: center;
  margin-bottom: 1rem;
  width: 100%;
  max-width: 480px;
}

.notify-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.notify-form {
  display: flex;
  gap: 0.5rem;
  width: 100%;
}

.notify-form input {
  flex: 1;
  padding: 0.85rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card-bg);
  color: var(--text);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.3s ease;
}

.notify-form input::placeholder {
  color: var(--text-muted);
}

.notify-form input:focus {
  border-color: var(--accent);
}

.notify-form button {
  padding: 0.85rem 1.5rem;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.notify-form button:hover {
  background: #46871D;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.notify-form.success input {
  border-color: #22A73F;
}

.notify-form.success button {
  background: #22A73F;
}

.footer {
  margin-top: auto;
  padding-top: 0;
}

.footer p {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.45s; }

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lightbox.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-close {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: var(--text);
  font-size: 2.5rem;
  cursor: pointer;
  line-height: 1;
  z-index: 1001;
  transition: opacity 0.2s ease;
}

.lightbox-close:hover {
  opacity: 0.6;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 8px;
  transform: scale(0.95);
  transition: transform 0.3s ease;
}

.lightbox.active .lightbox-img {
  transform: scale(1);
}

.hide-mobile {
  display: inline;
}

@media (max-width: 640px) {
  .container {
    padding: 2rem 1.25rem;
  }

  .teasers {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .teaser-card {
    aspect-ratio: 16 / 9;
  }

  .stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  .notify-form {
    flex-direction: column;
  }

  .notify-form button {
    width: 100%;
  }

  .hero {
    margin-bottom: 2rem;
  }

  .header {
    margin-bottom: 1.5rem;
  }

  .hide-mobile {
    display: none;
  }
}