/*
Theme Name: Platinum Bet TH
Theme URI: https://example.com/theme5
Author: Developer
Description: Professional deep blue and silver theme for Thai betting platform
Version: 1.0
Text Domain: platinum-bet-th
*/

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

:root {
    --navy: #0a192f;
    --navy-light: #112240;
    --navy-lighter: #1d3557;
    --silver: #c0c0c0;
    --platinum: #e8e8e8;
    --accent: #64ffda;
    --accent-dim: rgba(100, 255, 218, 0.1);
    --text: #ccd6f6;
    --text-dim: #8892b0;
    --white: #ffffff;
    --shadow: 0 10px 30px rgba(0,0,0,0.3);
    --radius: 8px;
    --transition: all 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
}

html { scroll-behavior: smooth; }
body {
    font-family: 'Prompt', sans-serif;
    color: var(--text);
    background: var(--navy);
    line-height: 1.7;
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; }
ul { list-style: none; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
    background: rgba(10, 25, 47, 0.95); backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(100, 255, 218, 0.1);
}

.header-inner {
    display: flex; align-items: center; justify-content: space-between;
    padding: 18px 20px; max-width: 1200px; margin: 0 auto;
}

.site-logo {
    font-size: 1.4rem; font-weight: 700;
    background: linear-gradient(135deg, var(--silver), var(--platinum));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main-nav ul { display: flex; gap: 30px; align-items: center; }

.main-nav a {
    font-size: 0.9rem; font-weight: 400; color: var(--text-dim);
    padding: 8px 0; position: relative; letter-spacing: 0.5px;
}

.main-nav a:hover { color: var(--accent); }

.main-nav a::after {
    content: ''; position: absolute; bottom: -2px; left: 0;
    width: 0; height: 1px; background: var(--accent); transition: var(--transition);
}

.main-nav a:hover::after { width: 100%; }

.menu-toggle {
    display: none; flex-direction: column; gap: 5px;
    cursor: pointer; background: none; border: none; padding: 5px;
}

.menu-toggle span { width: 25px; height: 2px; background: var(--accent); border-radius: 2px; transition: var(--transition); }

/* Hero */
.hero-section {
    padding: 180px 20px 120px;
    background: linear-gradient(180deg, var(--navy) 0%, var(--navy-light) 100%);
    text-align: center; position: relative; overflow: hidden;
}

.hero-section::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(ellipse at 50% 0%, rgba(100,255,218,0.05) 0%, transparent 60%);
}

.hero-section h1 {
    font-size: 3.2rem; font-weight: 700; margin-bottom: 20px;
    line-height: 1.3; position: relative;
    background: linear-gradient(135deg, var(--platinum), var(--silver), var(--accent));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.hero-section p { font-size: 1.15rem; color: var(--text-dim); max-width: 600px; margin: 0 auto 40px; position: relative; }

.btn-primary {
    display: inline-block; padding: 14px 36px;
    background: transparent; color: var(--accent); font-size: 1rem; font-weight: 500;
    border: 1px solid var(--accent); border-radius: var(--radius);
    transition: var(--transition); position: relative;
}

.btn-primary:hover { background: var(--accent-dim); transform: translateY(-2px); box-shadow: 0 5px 20px rgba(100,255,218,0.15); }

/* Features */
.features-section { padding: 100px 20px; background: var(--navy-light); }

.section-title {
    text-align: center; font-size: 2rem; font-weight: 600; margin-bottom: 12px;
    color: var(--platinum);
}

.section-subtitle { text-align: center; color: var(--text-dim); font-size: 1rem; margin-bottom: 60px; }

.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; max-width: 1200px; margin: 0 auto; }

.feature-card {
    background: var(--navy); border-radius: var(--radius); padding: 35px 25px;
    text-align: center; border: 1px solid rgba(100,255,218,0.1); transition: var(--transition);
    position: relative; overflow: hidden;
}

.feature-card::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0; transition: var(--transition);
}

.feature-card:hover::before { opacity: 1; }
.feature-card:hover { border-color: rgba(100,255,218,0.3); transform: translateY(-3px); }

.feature-icon {
    width: 60px; height: 60px; margin: 0 auto 20px;
    background: var(--accent-dim); border-radius: 50%;
    display: flex; align-items: center; justify-content: center; font-size: 1.5rem;
}

.feature-card h3 { font-size: 1.1rem; margin-bottom: 10px; color: var(--platinum); }
.feature-card p { color: var(--text-dim); font-size: 0.9rem; }

/* Games */
.games-section { padding: 100px 20px; background: var(--navy); }

.games-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; max-width: 1200px; margin: 0 auto; }

.game-card {
    background: var(--navy-light); border-radius: var(--radius); overflow: hidden;
    border: 1px solid rgba(100,255,218,0.08); transition: var(--transition);
}

.game-card:hover { border-color: var(--accent); transform: translateY(-5px); box-shadow: 0 10px 30px rgba(100,255,218,0.1); }

.game-card-img {
    width: 100%; height: 150px;
    background: linear-gradient(135deg, var(--navy-lighter), var(--navy));
    display: flex; align-items: center; justify-content: center; font-size: 2.5rem;
    border-bottom: 1px solid rgba(100,255,218,0.08);
}

.game-card-body { padding: 20px; text-align: center; }
.game-card-body h3 { font-size: 1rem; margin-bottom: 8px; color: var(--platinum); }
.game-card-body p { color: var(--text-dim); font-size: 0.8rem; margin-bottom: 15px; }

.btn-small {
    display: inline-block; padding: 7px 18px;
    background: transparent; color: var(--accent); border: 1px solid var(--accent);
    border-radius: var(--radius); font-size: 0.8rem; transition: var(--transition);
}

.btn-small:hover { background: var(--accent-dim); }

/* Promotions */
.promo-section { padding: 100px 20px; background: var(--navy-light); }

.promo-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 25px; max-width: 1200px; margin: 0 auto; }

.promo-card {
    background: var(--navy); border-radius: var(--radius); padding: 30px;
    border: 1px solid rgba(192,192,192,0.1); transition: var(--transition);
    position: relative; overflow: hidden;
}

.promo-card::after {
    content: ''; position: absolute; top: 0; right: 0; width: 80px; height: 80px;
    background: radial-gradient(circle, rgba(100,255,218,0.08) 0%, transparent 70%);
}

.promo-card:hover { border-color: rgba(100,255,218,0.3); }
.promo-card h3 { font-size: 1.2rem; margin-bottom: 10px; color: var(--accent); }
.promo-card p { color: var(--text-dim); margin-bottom: 18px; font-size: 0.9rem; }

/* Why Section */
.why-section {
    padding: 100px 20px; position: relative;
    background: linear-gradient(180deg, var(--navy) 0%, var(--navy-light) 100%);
}

.why-section::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; max-width: 1200px; margin: 0 auto; }

.why-card {
    text-align: center; padding: 35px 25px;
    background: rgba(100,255,218,0.02); border-radius: var(--radius);
    border: 1px solid rgba(100,255,218,0.05); transition: var(--transition);
}

.why-card:hover { border-color: rgba(100,255,218,0.2); background: rgba(100,255,218,0.05); }
.why-card h3 { margin-bottom: 12px; font-size: 1.1rem; color: var(--platinum); }
.why-card p { color: var(--text-dim); font-size: 0.9rem; }

/* Footer */
.site-footer { background: #020c1b; color: var(--text-dim); padding: 60px 20px 30px; border-top: 1px solid rgba(100,255,218,0.05); }

.footer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; max-width: 1200px; margin: 0 auto 40px; }

.footer-col h4 { color: var(--platinum); margin-bottom: 15px; font-size: 1rem; }
.footer-col a { display: block; margin-bottom: 10px; color: var(--text-dim); font-size: 0.85rem; }
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
    text-align: center; padding-top: 30px;
    border-top: 1px solid rgba(100,255,218,0.05); font-size: 0.8rem; color: var(--text-dim);
}

/* Animations */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.feature-card, .game-card, .promo-card, .why-card { animation: fadeInUp 0.6s ease forwards; }

/* Responsive */
@media (max-width: 992px) {
    .features-grid, .why-grid { grid-template-columns: repeat(2, 1fr); }
    .games-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .menu-toggle { display: flex; }
    .main-nav {
        position: fixed; top: 70px; left: 0; width: 100%;
        background: rgba(10,25,47,0.98); backdrop-filter: blur(10px); padding: 20px;
        transform: translateY(-100%); opacity: 0; visibility: hidden; transition: var(--transition);
        border-bottom: 1px solid rgba(100,255,218,0.1);
    }
    .main-nav.active { transform: translateY(0); opacity: 1; visibility: visible; }
    .main-nav ul { flex-direction: column; gap: 15px; }
    .hero-section h1 { font-size: 2.2rem; }
    .hero-section { padding: 140px 20px 80px; }
    .features-grid, .games-grid, .promo-grid, .why-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .section-title { font-size: 1.6rem; }
}