:root {
  --ink: #1f2a2e;
  --ink-soft: #5b6670;
  --accent: #1f7a8c;
  --accent-2: #4f9ac0;
  --paper: #f8fafc;
  --card: #ffffff;
  --line: #e5e9f0;
  --shadow: rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Gowun Dodum", "Noto Sans KR", sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #f6f9fc 0%, #f8fafc 34%, #f8fafc 100%);
  line-height: 1.5;
}

.page {
  max-width: 980px;
  margin: 0 auto;
  padding: 56px 20px 72px;
}

.hero {
  text-align: center;
  padding: 4px 12px 34px;
  border-bottom: 1px solid rgba(203, 213, 225, 0.7);
}

.hero-kicker {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.26em;
  color: var(--accent);
}

.hero-title {
  margin: 0 0 14px;
  font-family: "Black Han Sans", "Gowun Dodum", sans-serif;
  font-size: clamp(42px, 8vw, 76px);
  letter-spacing: 0.1em;
  line-height: 1.04;
  color: #18232d;
}

.hero-desc {
  margin: 0 auto;
  max-width: 700px;
  font-size: clamp(16px, 1.8vw, 24px);
  color: var(--ink-soft);
  line-height: 1.58;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 28px 0 24px;
}

.card {
  background: var(--card);
  border: 1px solid rgba(226, 232, 240, 0.8);
  border-radius: 18px;
  padding: 18px 16px 20px;
  box-shadow: 0 12px 24px var(--shadow);
  text-align: center;
}

.card h3 {
  margin: 14px 0 0;
  font-size: 17px;
  line-height: 1.35;
  min-height: 46px;
}

.card-media {
  width: 100%;
  height: 240px;
  border-radius: 12px;
  overflow: hidden;
  
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.banner {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px 16px;
  background: #ffffff;
  margin-bottom: 14px;
}

.banner--thin {
  padding: 16px;
}

.banner-title {
  font-family: "Black Han Sans", "Gowun Dodum", sans-serif;
  font-size: clamp(18px, 3vw, 28px);
  letter-spacing: 0.08em;
  text-align: center;
}

.banner-image {
  margin-bottom: 14px;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 12px 24px var(--shadow);
}

.banner-image img {
  display: block;
  width: 100%;
  height: auto;
}

.banner-action {
  display: block;
  width: 100%;
  padding: 0;
  margin: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.coming-soon-toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%) translateY(10px);
  opacity: 0;
  pointer-events: none;
  z-index: 50;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(24, 35, 45, 0.9);
  color: #fff;
  font-size: 14px;
  line-height: 1;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.coming-soon-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.specs {
  margin-top: 26px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.specs h2 {
  margin: 0 0 10px;
  font-size: 18px;
}

.specs ul {
  margin: 0;
  padding-left: 18px;
  color: var(--ink-soft);
}

.footer {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 8px;
  font-size: 14px;
  color: var(--ink-soft);
}

.contact-row {
  display: flex;
  gap: 10px;
}

.label {
  min-width: 120px;
  font-weight: 700;
  color: var(--ink);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  animation: reveal 0.7s ease forwards;
  animation-delay: var(--delay, 0ms);
}

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

@media (max-width: 900px) {
  .cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .card-media {
    height: 210px;
  }
}

@media (max-width: 640px) {
  .page {
    padding: 36px 16px 60px;
  }

  .hero-title {
    letter-spacing: 0.06em;
  }

  .hero-desc {
    font-size: 15px;
    line-height: 1.5;
  }

  .cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .card-media {
    height: 160px;
  }

  .card {
    padding: 16px 14px 18px;
  }

  .contact-row {
    flex-direction: column;
    gap: 2px;
  }
}