@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;600;800&display=swap');

:root {
  --ocean: #0077b6;
  --teal: #00b4d8;
  --deep-blue: #023e8a;
  --aqua-light: #caf0f8;
  --navy: #03045e;
  --white: #ffffff;
  --off-white: #f8fbff;
  --text-body: #2b4a66;
  --text-muted: #6b8fa8;
  --shadow-blue: rgba(0, 119, 182, 0.1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Montserrat', sans-serif;
  background: var(--off-white);
  color: var(--text-body);
  line-height: 1.75;
}

/* HEADER */
.zv-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--navy);
  height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
}

.zv-logo {
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--teal);
  text-decoration: none;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.zv-nav { display: flex; gap: 1.8rem; }

.zv-nav a {
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  font-weight: 400;
  font-size: 0.88rem;
  transition: color 0.2s;
}

.zv-nav a:hover { color: var(--teal); }

.zv-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.zv-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  margin: 5px 0;
  border-radius: 2px;
  transition: all 0.3s;
}

/* HERO - WAVE PATTERN */
.zv-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--deep-blue) 40%, var(--ocean) 70%, var(--teal) 100%);
  color: #fff;
  padding: 5rem 2.5rem 6rem;
  text-align: center;
  position: relative;
}

.zv-hero::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 60px;
  background: var(--off-white);
  clip-path: ellipse(55% 100% at 50% 100%);
}

.zv-hero h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 1.2rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.zv-hero p {
  font-weight: 300;
  font-size: 1.1rem;
  max-width: 620px;
  margin: 0 auto 2rem;
  opacity: 0.9;
}

.zv-btn {
  display: inline-block;
  padding: 14px 38px;
  background: var(--teal);
  color: var(--navy);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

.zv-btn:hover { background: #00c8e8; transform: translateY(-2px); }

/* NOTICE CARDS */
.zv-notices {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: -20px;
  padding: 0 2rem;
  position: relative;
  z-index: 2;
  flex-wrap: wrap;
}

.zv-notice-card {
  background: var(--white);
  border-radius: 12px;
  padding: 1.5rem 2rem;
  text-align: center;
  box-shadow: 0 4px 20px var(--shadow-blue);
  min-width: 200px;
  flex: 1;
  max-width: 280px;
}

.zv-notice-card .nc-icon { font-size: 1.8rem; margin-bottom: 0.5rem; }

.zv-notice-card h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ocean);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.zv-notice-card p { font-size: 0.82rem; color: var(--text-muted); margin-top: 0.3rem; }

/* GAME SECTION */
.zv-game-section {
  padding: 5rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.zv-game-section h2 {
  font-size: 2rem;
  font-weight: 800;
  text-align: center;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

.zv-game-section .sub-text {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.zv-game-box {
  background: var(--navy);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(3, 4, 94, 0.15);
}

.zv-game-box iframe {
  width: 100%;
  height: 640px;
  border: none;
  display: block;
}

/* TWO PANEL */
.zv-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 400px;
}

.zv-split-left {
  background: var(--ocean);
  color: #fff;
  padding: 4rem 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.zv-split-left h2 { font-size: 2rem; font-weight: 800; margin-bottom: 1rem; }
.zv-split-left p { opacity: 0.9; font-weight: 300; }

.zv-split-right {
  background: var(--white);
  padding: 4rem 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.zv-split-right h2 { font-size: 2rem; font-weight: 800; margin-bottom: 1rem; color: var(--navy); }
.zv-split-right p { color: var(--text-muted); }

/* INFO CARDS */
.zv-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding: 4rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.zv-info-card {
  background: var(--white);
  border-radius: 12px;
  padding: 2.5rem 2rem;
  box-shadow: 0 2px 16px var(--shadow-blue);
  border-top: 3px solid var(--teal);
}

.zv-info-card h3 { font-weight: 700; font-size: 1.1rem; color: var(--navy); margin-bottom: 0.8rem; }
.zv-info-card p { color: var(--text-muted); font-size: 0.95rem; }

/* CONTENT PAGE */
.zv-page {
  padding: 90px 2rem 60px;
  max-width: 900px;
  margin: 0 auto;
  min-height: 75vh;
}

.zv-page h1 { font-size: 2.2rem; font-weight: 800; color: var(--navy); margin-bottom: 1.5rem; }
.zv-page h2 { font-size: 1.3rem; font-weight: 700; color: var(--ocean); margin: 2rem 0 0.8rem; }
.zv-page p { color: var(--text-muted); margin-bottom: 1rem; }
.zv-page ul { color: var(--text-muted); margin: 0.5rem 0 1rem 1.5rem; }
.zv-page ul li { margin-bottom: 0.4rem; }

/* PLAY */
.zv-play-wrap {
  padding: 80px 2rem 60px;
  max-width: 1400px;
  margin: 0 auto;
}

.zv-play-wrap h1 { font-size: 2.2rem; font-weight: 800; text-align: center; color: var(--navy); margin-bottom: 0.5rem; }
.zv-play-sub { text-align: center; color: var(--text-muted); margin-bottom: 2rem; }

/* FOOTER */
.zv-footer {
  background: var(--navy);
  color: rgba(255,255,255,0.6);
  padding: 2.5rem 2rem;
  text-align: center;
}

.zv-footer-row { margin-bottom: 1rem; }

.zv-footer a {
  color: var(--teal);
  text-decoration: none;
  margin: 0 0.8rem;
  font-size: 0.85rem;
}

.zv-footer a:hover { text-decoration: underline; }

.zv-footer-copy { font-size: 0.75rem; opacity: 0.4; }

/* AGE OVERLAY */
.zv-age-overlay {
  position: fixed;
  inset: 0;
  background: rgba(3, 4, 94, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.zv-age-dialog {
  background: var(--white);
  border-radius: 16px;
  padding: 2.5rem;
  text-align: center;
  max-width: 400px;
  width: 90%;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.zv-age-dialog h2 { font-size: 1.3rem; font-weight: 800; color: var(--navy); margin-bottom: 0.8rem; }
.zv-age-dialog p { color: var(--text-muted); margin-bottom: 1.5rem; font-size: 0.9rem; }

.zv-age-actions { display: flex; gap: 0.8rem; justify-content: center; }

.zv-age-enter {
  padding: 10px 28px;
  background: var(--ocean);
  color: #fff;
  border: none;
  border-radius: 50px;
  font-weight: 700;
  cursor: pointer;
  font-size: 0.9rem;
}

.zv-age-leave {
  padding: 10px 28px;
  background: #f1f5f9;
  color: var(--text-muted);
  border: none;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.9rem;
}

/* MOBILE */
@media (max-width: 768px) {
  .zv-toggle { display: block; }

  .zv-nav {
    position: fixed;
    top: 62px;
    left: 0;
    width: 100%;
    background: var(--navy);
    flex-direction: column;
    padding: 1.5rem 2.5rem;
    gap: 1rem;
    transform: translateY(-150%);
    transition: transform 0.3s;
  }

  .zv-nav.visible { transform: translateY(0); }

  .zv-hero h1 { font-size: 2rem; }
  .zv-notices { flex-direction: column; align-items: center; }
  .zv-notice-card { max-width: 100%; }
  .zv-split { grid-template-columns: 1fr; }
  .zv-info-grid { grid-template-columns: 1fr; }
  .zv-game-box iframe { height: 400px; }
}

@media (max-width: 480px) {
  .zv-hero h1 { font-size: 1.5rem; }
  .zv-game-box iframe { height: 300px; }
}