* {
  box-sizing: border-box;
}

:root {
  color-scheme: light;
  --bg: #f4efe8;
  --bg-accent: #e8e1d5;
  --card: rgba(255, 255, 255, 0.9);
  --card-border: rgba(56, 49, 41, 0.08);
  --ink: #1d1b18;
  --muted: #675f55;
  --accent: #2f5d50;
  --accent-strong: #1e453c;
  --accent-soft: #d8ece6;
  --shadow: 0 24px 60px rgba(45, 38, 31, 0.12);
}

body.theme-dark {
  color-scheme: dark;
  --bg: #101418;
  --bg-accent: #151b20;
  --card: rgba(18, 24, 29, 0.88);
  --card-border: rgba(255, 255, 255, 0.08);
  --ink: #f3f1ec;
  --muted: #b2b7bf;
  --accent: #78b9a2;
  --accent-strong: #4d8e79;
  --accent-soft: rgba(120, 185, 162, 0.14);
  --shadow: 0 26px 64px rgba(0, 0, 0, 0.34);
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(47, 93, 80, 0.14), transparent 28%),
    radial-gradient(circle at bottom right, rgba(179, 141, 89, 0.14), transparent 26%),
    linear-gradient(135deg, var(--bg) 0%, var(--bg-accent) 100%);
}

body.theme-dark {
  background:
    radial-gradient(circle at top left, rgba(120, 185, 162, 0.16), transparent 30%),
    radial-gradient(circle at bottom right, rgba(125, 161, 255, 0.08), transparent 28%),
    linear-gradient(135deg, var(--bg) 0%, var(--bg-accent) 100%);
}

.page {
  min-height: 100vh;
}

.hero,
.preview-shell {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px 0;
}

.card {
  width: 100%;
  max-width: 720px;
  padding: 56px 44px;
  text-align: center;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.card-basic {
  position: relative;
  overflow: hidden;
}

.card-basic::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(47, 93, 80, 0.06), transparent 50%);
  pointer-events: none;
}

.brand-mark {
  width: 72px;
  height: 72px;
  margin: 0 auto 18px;
  border-radius: 20px;
  display: grid;
  place-items: center;
  font-size: 1.6rem;
  font-weight: 700;
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 10px 24px rgba(47, 93, 80, 0.24);
}

.eyebrow,
.status-pill,
.option-label {
  margin: 0 0 14px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--accent-soft);
}

h1 {
  margin: 0;
  font-size: clamp(2.4rem, 5vw, 4.8rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.subtitle {
  margin: 18px auto 0;
  max-width: 34rem;
  font-size: 1.08rem;
  line-height: 1.65;
  color: var(--muted);
}

.contact-row {
  margin-top: 28px;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.button,
.ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.button {
  color: #fff;
  background: var(--accent);
  box-shadow: 0 10px 20px rgba(47, 93, 80, 0.18);
}

.button:hover {
  background: var(--accent-strong);
  transform: translateY(-1px);
}

.ghost-button {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(29, 27, 24, 0.1);
}

body.theme-dark .ghost-button {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
}

.ghost-button:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.95);
}

body.theme-dark .ghost-button:hover {
  background: rgba(255, 255, 255, 0.1);
}

.detail-list {
  margin: 30px auto 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  max-width: 520px;
  text-align: left;
}

.detail-list div,
.maintenance-panel > div {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(29, 27, 24, 0.08);
}

body.theme-dark .detail-list div,
body.theme-dark .maintenance-panel > div {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.09);
}

.detail-list dt,
.label {
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.detail-list dd,
.maintenance-panel strong {
  margin: 7px 0 0;
  font-size: 1rem;
  font-weight: 700;
}

.preview-shell {
  padding: 32px 0 44px;
}

.preview-header,
.preview-footer {
  text-align: center;
  padding: 18px 0;
}

.preview-header h1 {
  margin-top: 10px;
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.option-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  align-items: start;
}

.option-card {
  padding: 18px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.52);
  border: 1px solid rgba(29, 27, 24, 0.08);
  box-shadow: 0 20px 50px rgba(45, 38, 31, 0.08);
}

body.theme-dark .option-card {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.option-meta {
  padding: 4px 6px 18px;
  text-align: left;
}

.option-meta h2 {
  margin: 0 0 8px;
  font-size: 1.4rem;
}

.option-meta p {
  margin: 0;
  line-height: 1.6;
  color: var(--muted);
}

.option-card iframe {
  width: 100%;
  height: 760px;
  display: block;
  border: 0;
  border-radius: 22px;
  background: white;
  box-shadow: inset 0 0 0 1px rgba(29, 27, 24, 0.06);
}

body.theme-dark .option-card iframe {
  background: #0f1418;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.07);
}

.maintenance-panel {
  margin: 28px auto 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  max-width: 520px;
  text-align: left;
}

.button-accent {
  margin-top: 28px;
}

.page-maintenance .card {
  max-width: 680px;
}

@media (max-width: 940px) {
  .option-grid {
    grid-template-columns: 1fr;
  }

  .option-card iframe {
    height: 680px;
  }
}

@media (max-width: 640px) {
  .card {
    padding: 40px 22px;
    border-radius: 24px;
  }

  .detail-list,
  .maintenance-panel {
    grid-template-columns: 1fr;
  }

  .option-card iframe {
    height: 620px;
  }
}