/* 
   Operavalléa CSS
   Colors: Midnight Blue, Rich Gold, Soft Cream, Pure White
   Fonts: Playfair Display, Lato
*/

:root {
    --opval-col-primary: #0f172a; /* Midnight Blue */
    --opval-col-secondary: #d4af37; /* Rich Gold */
    --opval-col-accent: #f5d76e; /* Light Gold */
    --opval-col-light: #ffffff;
    --opval-col-cream: #f8f9fa;
    --opval-col-dark: #1e293b;
    --opval-col-text: #334155;
    --opval-col-text-light: #94a3b8;
    
    --opval-font-head: 'Playfair Display', serif;
    --opval-font-body: 'Lato', sans-serif;
    
    --opval-radius-sm: 4px;
    --opval-radius-md: 8px;
    --opval-radius-lg: 16px;
    
    --opval-shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --opval-shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --opval-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--opval-font-body);
    background-color: var(--opval-col-cream);
    color: var(--opval-col-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--opval-font-head);
    color: var(--opval-col-primary);
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Header */
.opval-masthead {
    background-color: var(--opval-col-primary);
    color: var(--opval-col-light);
    padding: 1.5rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--opval-shadow-md);
    border-bottom: 2px solid var(--opval-col-secondary);
}

.opval-masthead-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.opval-brand-mark {
    font-family: var(--opval-font-head);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--opval-col-secondary);
    letter-spacing: 2px;
}

.opval-brand-identity {
    text-align: center;
}

.opval-brand-title {
    font-family: var(--opval-font-head);
    font-size: 1.5rem;
    color: var(--opval-col-light);
    letter-spacing: 1px;
}

.opval-brand-subtitle {
    font-size: 0.85rem;
    color: var(--opval-col-accent);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-top: 4px;
}

.opval-badge-container {
    display: flex;
    align-items: center;
}

.opval-age-badge {
    border: 1px solid var(--opval-col-secondary);
    color: var(--opval-col-secondary);
    padding: 0.4rem 0.8rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
}

/* Hero Stage */
.opval-intro-stage {
    background: linear-gradient(135deg, var(--opval-col-primary) 0%, var(--opval-col-dark) 100%);
    padding: 6rem 2rem;
    color: var(--opval-col-light);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.opval-intro-stage::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.opval-intro-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.opval-intro-label {
    display: inline-block;
    color: var(--opval-col-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--opval-col-secondary);
    padding-bottom: 5px;
}

.opval-intro-title {
    font-size: 3.5rem;
    color: var(--opval-col-light);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.opval-intro-desc {
    font-size: 1.1rem;
    color: var(--opval-col-text-light);
    margin-bottom: 4rem;
    max-width: 700px;
    margin-inline: auto;
}

.opval-intro-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.opval-mini-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(212, 175, 55, 0.2);
    padding: 1.5rem;
    border-radius: var(--opval-radius-md);
    backdrop-filter: blur(5px);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.opval-mini-card:hover {
    transform: translateY(-5px);
    border-color: var(--opval-col-secondary);
}

.opval-mini-card-title {
    color: var(--opval-col-secondary);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.opval-mini-card-text {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Features Tiers */
.opval-feature-tier {
    padding: 5rem 2rem;
    background-color: var(--opval-col-light);
}

.opval-bg-alt {
    background-color: var(--opval-col-cream);
}

.opval-tier-container {
    max-width: 1200px;
    margin: 0 auto;
}

.opval-tier-header {
    text-align: center;
    margin-bottom: 4rem;
}

.opval-tier-heading {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.opval-tier-heading::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--opval-col-secondary);
    margin: 15px auto 0;
}

.opval-tier-intro {
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.1rem;
    color: var(--opval-col-text);
}

/* Grid & Cards */
.opval-grid-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.opval-box {
    background-color: var(--opval-col-light);
    padding: 2.5rem 2rem;
    border-radius: var(--opval-radius-lg);
    box-shadow: var(--opval-shadow-sm);
    border-top: 4px solid transparent;
    transition: all 0.3s ease;
}

.opval-bg-alt .opval-box {
    background-color: #ffffff;
}

.opval-box:hover {
    box-shadow: var(--opval-shadow-lg);
    border-top-color: var(--opval-col-secondary);
    transform: translateY(-5px);
}

.opval-box-kicker {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--opval-col-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.opval-box-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.opval-box-desc {
    color: var(--opval-col-text);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.opval-box-list {
    border-top: 1px solid rgba(0,0,0,0.05);
    padding-top: 1.5rem;
}

.opval-box-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    font-size: 0.9rem;
    color: var(--opval-col-text);
}

.opval-box-list li::before {
    content: '•';
    color: var(--opval-col-secondary);
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -5px;
}

/* Footer */
.opval-site-tail {
    background-color: var(--opval-col-primary);
    color: var(--opval-col-text-light);
    padding: 4rem 2rem 2rem;
    border-top: 5px solid var(--opval-col-secondary);
}

.opval-tail-wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

.opval-tail-slogan {
    font-size: 2rem;
    color: var(--opval-col-light);
    text-align: center;
    margin-bottom: 3rem;
}

.opval-tail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 3rem;
}

.opval-tail-heading {
    color: var(--opval-col-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.opval-tail-text {
    font-size: 0.9rem;
    line-height: 1.8;
}

.opval-contact-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--opval-radius-md);
}

.opval-contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.opval-contact-label {
    color: var(--opval-col-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.opval-contact-val {
    color: var(--opval-col-light);
    font-size: 1rem;
    font-weight: 700;
}

.opval-tail-nav {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.opval-tail-link {
    color: var(--opval-col-light);
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.opval-tail-link:hover {
    color: var(--opval-col-secondary);
}

.opval-tail-copyright {
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

/* Responsive */
@media (max-width: 768px) {
    .opval-masthead-inner {
        flex-direction: column;
        gap: 1rem;
    }
    
    .opval-intro-title {
        font-size: 2.5rem;
    }
    
    .opval-tail-nav {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
}