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

:root {
    --sky: #0ea5e9;
    --sky-light: #38bdf8;
    --sky-dark: #0284c7;
    --cyan: #06b6d4;
    --blue: #3b82f6;
    --bg: linear-gradient(135deg, #0c1929 0%, #0f2744 50%, #0a1628 100%);
    --bg-solid: #0c1929;
    --bg-card: rgba(14, 165, 233, 0.08);
    --bg-frost: rgba(255, 255, 255, 0.05);
    --text: #f0f9ff;
    --text-dim: #7dd3fc;
    --border: rgba(14, 165, 233, 0.25);
    --gradient: linear-gradient(135deg, var(--sky) 0%, var(--cyan) 50%, var(--blue) 100%);
}

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    background: var(--bg);
    background-attachment: fixed;
    color: var(--text);
    line-height: 1.7;
    min-height: 100vh;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Top Strip */
.top-strip {
    background: var(--gradient);
    padding: 10px;
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    color: #fff;
}

/* Header */
header {
    background: rgba(12, 25, 41, 0.95);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 28px;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 6px;
}

nav a {
    color: var(--text-dim);
    padding: 10px 18px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
}

nav a:hover {
    color: var(--sky-light);
    background: var(--bg-card);
}

nav a.active {
    background: var(--gradient);
    color: #fff;
}

/* Hero */
.hero {
    padding: 100px 0 70px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.2) 0%, transparent 60%);
    pointer-events: none;
}

.hero-flex {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: var(--bg-frost);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 12px;
    color: var(--sky-light);
    font-weight: 600;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
}

.hero h1 {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero h1 .accent {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 17px;
    color: var(--text-dim);
    margin-bottom: 30px;
    max-width: 480px;
}

.hero-visual img {
    width: 100%;
    border-radius: 24px;
    border: 2px solid var(--border);
    box-shadow: 0 30px 80px rgba(14, 165, 233, 0.2);
}

/* Buttons */
.btn-group {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 30px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.btn-sky {
    background: var(--gradient);
    color: #fff;
    box-shadow: 0 8px 30px rgba(14, 165, 233, 0.35);
}

.btn-sky:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(14, 165, 233, 0.45);
}

.btn-frost {
    background: var(--bg-frost);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    color: var(--text);
}

.btn-frost:hover {
    border-color: var(--sky);
    color: var(--sky-light);
    background: var(--bg-card);
}

/* Stats */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding: 60px 0;
}

.stat-card {
    background: var(--bg-frost);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s;
}

.stat-card:hover {
    border-color: var(--sky);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(14, 165, 233, 0.15);
}

.stat-card h3 {
    font-size: 38px;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 6px;
}

.stat-card span {
    font-size: 13px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Section */
.section {
    padding: 80px 0;
}

.section-frost {
    background: rgba(14, 165, 233, 0.03);
}

.sec-header {
    text-align: center;
    margin-bottom: 50px;
}

.sec-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--bg-frost);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--sky-light);
    margin-bottom: 14px;
    backdrop-filter: blur(10px);
}

.sec-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 14px;
}

.sec-desc {
    color: var(--text-dim);
    font-size: 16px;
    max-width: 560px;
    margin: 0 auto;
}

/* Frost Cards */
.frost-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.frost-card {
    background: var(--bg-frost);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px 26px;
    transition: all 0.4s;
}

.frost-card:hover {
    border-color: var(--sky);
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

.frost-card .icon {
    width: 56px;
    height: 56px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.frost-card .icon img {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    object-fit: cover;
}

.frost-card h4 {
    font-size: 18px;
    margin-bottom: 12px;
}

.frost-card p {
    font-size: 14px;
    color: var(--text-dim);
    line-height: 1.7;
}

/* Split */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.split-layout.flip {
    direction: rtl;
}

.split-layout.flip > * {
    direction: ltr;
}

.split-info h2 {
    font-size: 38px;
    font-weight: 700;
    margin-bottom: 18px;
    line-height: 1.2;
}

.split-info p {
    color: var(--text-dim);
    margin-bottom: 16px;
    font-size: 15px;
}

.list-check {
    list-style: none;
    margin: 26px 0;
}

.list-check li {
    padding: 14px 0;
    padding-left: 36px;
    position: relative;
    font-size: 14px;
    border-bottom: 1px solid var(--border);
    color: var(--text-dim);
}

.list-check li:last-child { border-bottom: none; }

.list-check li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--sky-light);
    font-weight: bold;
    font-size: 16px;
}

.split-img img {
    width: 100%;
    border-radius: 20px;
    border: 2px solid var(--border);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

/* Steps */
.steps-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.step-item {
    background: var(--bg-frost);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px 22px;
    text-align: center;
    position: relative;
    transition: all 0.3s;
}

.step-item:hover {
    border-color: var(--sky);
    box-shadow: 0 15px 35px rgba(14, 165, 233, 0.15);
}

.step-item .num {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 32px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    color: #fff;
}

.step-item img {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    object-fit: cover;
    margin: 10px 0 16px;
}

.step-item h5 {
    font-size: 15px;
    margin-bottom: 8px;
}

.step-item p {
    font-size: 13px;
    color: var(--text-dim);
}

/* Game Tags */
.game-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-top: 30px;
}

.game-tag {
    padding: 12px 24px;
    background: var(--bg-frost);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
}

.game-tag:hover {
    border-color: var(--sky);
    color: var(--sky-light);
    background: var(--bg-card);
    box-shadow: 0 0 25px rgba(14, 165, 233, 0.2);
}

/* FAQ */
.faq-container {
    max-width: 820px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-frost);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px 28px;
    margin-bottom: 16px;
    transition: all 0.3s;
}

.faq-item:hover {
    border-color: var(--sky);
}

.faq-item h4 {
    font-size: 16px;
    margin-bottom: 12px;
}

.faq-item p {
    font-size: 14px;
    color: var(--text-dim);
    line-height: 1.7;
}

/* Page Hero */
.page-hero {
    padding: 120px 0 50px;
    text-align: center;
    position: relative;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 500px;
    height: 300px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.15) 0%, transparent 60%);
    pointer-events: none;
}

.page-hero h1 {
    font-size: 48px;
    margin-bottom: 14px;
    position: relative;
}

.page-hero p {
    color: var(--text-dim);
    font-size: 18px;
    position: relative;
}

/* CTA */
.cta-box {
    background: var(--bg-frost);
    backdrop-filter: blur(16px);
    border: 2px solid var(--border);
    border-radius: 28px;
    padding: 65px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient);
}

.cta-box h2 {
    font-size: 36px;
    margin-bottom: 16px;
}

.cta-box p {
    color: var(--text-dim);
    margin-bottom: 28px;
    font-size: 16px;
}

/* Footer */
footer {
    background: rgba(0, 0, 0, 0.3);
    padding: 60px 0 30px;
    margin-top: 60px;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    font-size: 16px;
    color: var(--sky-light);
    margin-bottom: 20px;
}

.footer-col p {
    font-size: 13px;
    color: var(--text-dim);
    line-height: 1.8;
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 12px; }

.footer-col a {
    font-size: 14px;
    color: var(--text-dim);
    transition: color 0.3s;
}

.footer-col a:hover { color: var(--sky-light); }

.footer-bottom {
    text-align: center;
    padding-top: 26px;
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: #64748b;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-flex, .split-layout { grid-template-columns: 1fr; text-align: center; }
    .split-layout.flip { direction: ltr; }
    .frost-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    nav ul { display: none; }
    .hero h1 { font-size: 38px; }
    .frost-grid { grid-template-columns: 1fr; }
    .stats-bar { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .cta-box { padding: 45px 28px; }
}
