:root {
  --purple: #4A0374;
  --yellow: #F9A620;
  --white: #F4F4F9;
  --max: 1280px;
  --padX: clamp(1rem, 2.4vw, 2.2rem);
  --text: rgba(244, 244, 249, 0.96);
  --bg1: #4A0C4D;
  --bg2: #330941;
  --bg3: #190633;
  --lineargradient: linear-gradient(135deg, var(--bg1) 0%, var(--bg3) 70%);
}

body {
  background: var(--lineargradient);
  color: var(--text);
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: clamp(16px, 0.28vw + 15px, 18px);
  line-height: 1.6;
}

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--padX);
}

.highlight {
  color: var(--yellow);
}

.contact-hero {
  padding: clamp(2.4rem, 5vw, 4.5rem) 0 clamp(1.2rem, 2vw, 1.8rem);
}

.contact-kicker {
  margin: 0 0 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.82rem;
  color: rgba(244, 244, 249, 0.76);
}

.contact-hero h1 {
  margin: 0;
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
}

.contact-intro {
  margin: 1rem 0 0;
  max-width: 64ch;
  color: rgba(244, 244, 249, 0.84);
}

.contact-main {
  padding: clamp(1rem, 3vw, 2rem) 0 clamp(3rem, 6vw, 5rem);
}

.contact-top-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
  align-items: stretch;
  margin-bottom: clamp(1rem, 2vw, 1.5rem);
}

.contact-panel {
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.04));
  box-shadow: 0 16px 38px rgba(8, 3, 24, 0.18);
  backdrop-filter: blur(8px);
  padding: clamp(1.25rem, 2.4vw, 1.8rem);
}

.booking-panel {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.08));
  border-color: rgba(249, 166, 32, 0.28);
}

.contact-panel h2 {
  margin: 0;
  font-size: clamp(1.25rem, 2vw, 1.7rem);
}

.panel-copy {
  margin: 0.7rem 0 0;
  color: rgba(244, 244, 249, 0.82);
}

.detail-list {
  display: grid;
  gap: 2rem;
  margin-top: 2rem;
}

.detail-item {
  padding: 1rem 1.1rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.detail-label {
  display: block;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(244, 244, 249, 0.68);
}

.detail-value {
  display: inline-block;
  margin-top: 0.35rem;
  color: var(--white);
  font-weight: 700;
  text-decoration: none;
  word-break: break-word;
}

.detail-value:hover {
  color: var(--yellow);
}

.detail-note {
  margin-top: 1.2rem;
  color: rgba(244, 244, 249, 0.78);
}

.booking-panel .detail-note {
  text-align: center;
}

.contact-benefit-list {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.55rem;
  color: rgba(244, 244, 249, 0.92);
}

.contact-benefit-list li {
  line-height: 1.5;
}

.booking-frame-wrap {
  margin-top: 1.2rem;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(249, 166, 32, 0.24);
  background: rgba(255, 255, 255, 0.94);
  min-height: 820px;
  box-shadow: inset 0 0 0 1px rgba(35, 15, 63, 0.06);
}

.booking-frame {
  display: block;
  width: 100%;
  min-height: 820px;
  border: 0;
  background: #ffffff;
}

.booking-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  margin-top: 1rem;
  margin-left: auto;
  margin-right: auto;
  border: none;
  border-radius: 999px;
  padding: 0.9rem 1.4rem;
  background: #f0ab2d;
  color: #21002f;
  font: inherit;
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.booking-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(249, 166, 32, 0.24);
}

@media (max-width: 900px) {
  .contact-top-grid {
    grid-template-columns: 1fr;
  }

  .booking-frame-wrap,
  .booking-frame {
    min-height: 720px;
  }
}

@media (max-width: 640px) {
  .contact-panel {
    border-radius: 18px;
  }

  .booking-frame-wrap,
  .booking-frame {
    min-height: 640px;
  }
}

@media (max-width: 360px) {
  .contact-hero {
    padding: 1.5rem 0 1rem;
  }

  .contact-kicker {
    font-size: 0.76rem;
    margin-bottom: 0.4rem;
  }

  .contact-hero h1 {
    font-size: 1.8rem;
    line-height: 1.1;
  }

  .contact-intro {
    font-size: 0.95rem;
  }

  .contact-main {
    padding: 1rem 0 2rem;
  }

  .contact-top-grid {
    gap: 0.75rem;
    margin-bottom: 0.75rem;
  }

  .contact-panel {
    padding: 1rem;
    border-radius: 16px;
  }

  .contact-panel h2 {
    font-size: 1.15rem;
  }

  .panel-copy {
    font-size: 0.9rem;
  }

  .detail-list {
    gap: 1.25rem;
    margin-top: 1.25rem;
  }

  .detail-item {
    padding: 0.8rem;
  }

  .booking-frame-wrap,
  .booking-frame {
    min-height: 540px;
  }
}

/* ========== Desktop Optimization (1920px+) ========== */
@media (min-width: 1920px) {
  :root {
    --max: 1400px;
    --padX: 2.5rem;
  }

  .contact-hero {
    padding: 5rem 0 2.5rem;
  }

  .contact-kicker {
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
  }

  .contact-hero h1 {
    font-size: 4.5rem;
    line-height: 1;
  }

  .contact-intro {
    font-size: 1.15rem;
    max-width: 70ch;
    margin-top: 1.5rem;
  }

  .contact-main {
    padding: 2.5rem 0 5rem;
  }

  .contact-top-grid {
    max-width: 1400px;
    margin: 0 auto 2rem;
    gap: 2rem;
  }

  .contact-panel {
    border-radius: 28px;
    padding: 2.5rem;
  }

  .contact-panel h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
  }

  .panel-copy {
    font-size: 1rem;
    margin-top: 1rem;
  }

  .detail-list {
    gap: 2.5rem;
    margin-top: 2.5rem;
  }

  .detail-item {
    padding: 1.5rem;
    border-radius: 20px;
  }

  .detail-label {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
  }

  .detail-value {
    font-size: 1.1rem;
    margin-top: 0.5rem;
  }

  .detail-note {
    font-size: 1rem;
    margin-top: 1.5rem;
  }

  .contact-benefit-list {
    margin-top: 1.5rem;
    gap: 0.75rem;
    font-size: 1rem;
  }

  .booking-frame-wrap {
    min-height: 900px;
    border-radius: 22px;
    margin-top: 2rem;
  }

  .booking-frame {
    min-height: 900px;
  }

  .booking-btn {
    padding: 1.1rem 1.8rem;
    font-size: 1.1rem;
    margin-top: 1.5rem;
  }
}