/* Reset and Variables */
:root {
  --oplh-bg-main: #0a0e17;
  --oplh-bg-gradient: linear-gradient(135deg, #0a0e17 0%, #151b2b 100%);
  --oplh-text-primary: #f8fafc;
  --oplh-text-secondary: #94a3b8;
  --oplh-accent: #14b8a6; /* Teal / Opal */
  --oplh-accent-hover: #0d9488;
  --oplh-gold: #eab308;
  --oplh-card-bg: rgba(255, 255, 255, 0.03);
  --oplh-card-border: rgba(255, 255, 255, 0.08);
  --oplh-font-heading: 'Playfair Display', serif;
  --oplh-font-body: 'Inter', sans-serif;
  --oplh-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--oplh-font-body);
  background: var(--oplh-bg-main);
  background-image: var(--oplh-bg-gradient);
  color: var(--oplh-text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

.oplh-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Header */
.oplh-masthead {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--oplh-card-border);
  z-index: 100;
  padding: 1.25rem 0;
}

.oplh-masthead-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.oplh-brand-mark {
  font-family: var(--oplh-font-heading);
  font-size: 2rem;
  font-weight: 600;
  color: var(--oplh-gold);
  letter-spacing: 2px;
}

.oplh-brand-name {
  font-family: var(--oplh-font-heading);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--oplh-text-primary);
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.oplh-brand-sub {
  font-family: var(--oplh-font-body);
  font-size: 0.75rem;
  color: var(--oplh-accent);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.oplh-age-badge {
  background: transparent;
  border: 1px solid var(--oplh-gold);
  color: var(--oplh-gold);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* Hero Section */
.oplh-hero-stage {
  padding: 12rem 0 6rem;
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
}

.oplh-hero-stage::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at 70% 30%, rgba(20, 184, 166, 0.15) 0%, transparent 50%);
  pointer-events: none;
}

.oplh-hero-content {
  position: relative;
  z-index: 10;
  max-width: 800px;
}

.oplh-hero-kicker {
  display: inline-block;
  color: var(--oplh-accent);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 1.5rem;
  position: relative;
}

.oplh-hero-kicker::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -50px;
  width: 40px;
  height: 1px;
  background: var(--oplh-accent);
}

.oplh-hero-title {
  font-family: var(--oplh-font-heading);
  font-size: 4.5rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  font-weight: 400;
  background: linear-gradient(to right, #fff, var(--oplh-text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.oplh-hero-desc {
  font-size: 1.25rem;
  color: var(--oplh-text-secondary);
  margin-bottom: 4rem;
  max-width: 600px;
  line-height: 1.8;
}

.oplh-hero-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.oplh-info-tile {
  background: var(--oplh-card-bg);
  border: 1px solid var(--oplh-card-border);
  padding: 1.5rem;
  border-radius: 12px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: var(--oplh-transition);
}

.oplh-info-tile:hover {
  border-color: var(--oplh-accent);
  transform: translateY(-5px);
}

.oplh-tile-heading {
  color: var(--oplh-accent);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 0.5rem;
}

.oplh-tile-text {
  font-size: 1.1rem;
  font-family: var(--oplh-font-heading);
  color: var(--oplh-text-primary);
}

/* Common Section Styles */
.oplh-section-resp,
.oplh-section-play {
  padding: 8rem 0;
  position: relative;
}

.oplh-section-play {
  background: rgba(255, 255, 255, 0.01);
  border-top: 1px solid var(--oplh-card-border);
  border-bottom: 1px solid var(--oplh-card-border);
}

.oplh-sec-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 5rem;
}

.oplh-sec-title {
  font-family: var(--oplh-font-heading);
  font-size: 3rem;
  margin-bottom: 1.5rem;
  font-weight: 400;
}

.oplh-sec-intro {
  color: var(--oplh-text-secondary);
  font-size: 1.15rem;
}

/* Card Grids */
.oplh-resp-grid,
.oplh-play-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.oplh-resp-card,
.oplh-play-card {
  background: var(--oplh-card-bg);
  border: 1px solid var(--oplh-card-border);
  padding: 3rem 2rem;
  border-radius: 16px;
  transition: var(--oplh-transition);
  position: relative;
  overflow: hidden;
}

.oplh-resp-card::before,
.oplh-play-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--oplh-accent), transparent);
  transform: scaleX(0);
  transition: var(--oplh-transition);
}

.oplh-resp-card:hover,
.oplh-play-card:hover {
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-10px);
}

.oplh-resp-card:hover::before,
.oplh-play-card:hover::before {
  transform: scaleX(1);
}

.oplh-card-kicker {
  display: block;
  color: var(--oplh-accent);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 1rem;
}

.oplh-card-title {
  font-family: var(--oplh-font-heading);
  font-size: 1.8rem;
  margin-bottom: 1rem;
  font-weight: 400;
}

.oplh-card-text {
  color: var(--oplh-text-secondary);
  margin-bottom: 2rem;
  font-size: 0.95rem;
  line-height: 1.7;
}

.oplh-card-list {
  list-style: none;
}

.oplh-list-item {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.8rem;
  color: var(--oplh-text-primary);
  font-size: 0.95rem;
}

.oplh-list-item::before {
  content: '✦';
  position: absolute;
  left: 0;
  color: var(--oplh-gold);
  font-size: 0.8rem;
  top: 2px;
}

/* Footer */
.oplh-basement {
  padding: 6rem 0 2rem;
  background: #05080f;
  position: relative;
}

.oplh-base-top {
  text-align: center;
  margin-bottom: 5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--oplh-card-border);
}

.oplh-base-heading {
  font-family: var(--oplh-font-heading);
  font-size: 2.5rem;
  font-weight: 400;
  color: var(--oplh-gold);
}

.oplh-base-grid {
  display: grid;
  grid-template-columns: 2fr 2fr 1.5fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.oplh-col-title {
  font-family: var(--oplh-font-heading);
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  color: var(--oplh-text-primary);
  letter-spacing: 1px;
}

.oplh-col-text {
  color: var(--oplh-text-secondary);
  font-size: 0.9rem;
  line-height: 1.8;
}

.oplh-contact-list,
.oplh-nav-list {
  list-style: none;
}

.oplh-contact-item {
  color: var(--oplh-text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
}

.oplh-icon {
  font-size: 1.1rem;
}

.oplh-nav-item {
  margin-bottom: 0.8rem;
}

.oplh-nav-link {
  color: var(--oplh-text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--oplh-transition);
}

.oplh-nav-link:hover {
  color: var(--oplh-accent);
  padding-left: 5px;
}

.oplh-base-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--oplh-card-border);
}

.oplh-copyright {
  color: var(--oplh-text-secondary);
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .oplh-hero-title { font-size: 3.5rem; }
  .oplh-hero-grid { grid-template-columns: repeat(2, 1fr); }
  .oplh-resp-grid, .oplh-play-grid { grid-template-columns: repeat(2, 1fr); }
  .oplh-base-grid { grid-template-columns: repeat(2, 1fr); gap: 3rem; }
}

@media (max-width: 768px) {
  .oplh-hero-title { font-size: 2.8rem; }
  .oplh-hero-grid { grid-template-columns: 1fr; }
  .oplh-resp-grid, .oplh-play-grid { grid-template-columns: 1fr; }
  .oplh-base-grid { grid-template-columns: 1fr; gap: 2rem; }
  .oplh-masthead-inner { flex-direction: column; gap: 1rem; text-align: center; }
  .oplh-brand-mark { display: none; }
  .oplh-hero-stage { padding-top: 14rem; }
}