@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Sora:wght@400;500;600&display=swap');

:root {
    --teal-primary: #0d9488;
    --teal-light: #14b8a6;
    --emerald: #10b981;
    --slate-900: #0f172a;
    --slate-800: #1e293b;
    --slate-700: #334155;
    --slate-100: #f1f5f9;
    --white: #ffffff;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--slate-900);
    color: var(--slate-100);
    line-height: 1.6;
    font-weight: 400;
}

.navbar {
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(12px);
    padding: 1rem 1.5rem;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(20, 184, 166, 0.1);
}

.nav-container {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-family: 'Sora', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--white);
    text-decoration: none;
}

.logo-text span {
    background: linear-gradient(135deg, var(--teal-light), var(--emerald));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.burger-menu {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.burger-menu span {
    width: 22px;
    height: 2px;
    background: var(--teal-light);
    border-radius: 2px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    font-size: 0.875rem;
    color: var(--slate-100);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

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

.page-wrapper {
    padding-top: 64px;
}

.hero {
    min-height: calc(100vh - 64px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 4rem 2rem;
    background: 
        radial-gradient(ellipse at 20% 30%, rgba(13, 148, 136, 0.15), transparent 50%),
        radial-gradient(ellipse at 80% 70%, rgba(16, 185, 129, 0.1), transparent 50%);
}

.hero-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.badge {
    display: inline-block;
    background: rgba(13, 148, 136, 0.2);
    border: 1px solid var(--teal-primary);
    color: var(--teal-light);
    padding: 0.5rem 1rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-family: 'Sora', sans-serif;
    font-size: 3.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero h1 span {
    background: linear-gradient(135deg, var(--teal-light), var(--emerald));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.125rem;
    color: rgba(241, 245, 249, 0.7);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.info-chips {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.chip {
    background: var(--slate-800);
    border: 1px solid var(--slate-700);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.chip .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--teal-light);
}

.game-panel {
    padding: 5rem 2rem;
    background: var(--slate-800);
}

.panel-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.panel-header h2 {
    font-family: 'Sora', sans-serif;
    font-size: 2rem;
    font-weight: 600;
    color: var(--white);
}

.panel-header p {
    color: var(--teal-light);
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

.game-container {
    max-width: 1200px;
    margin: 0 auto;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--slate-700);
    background: var(--slate-900);
}

.game-container iframe {
    width: 100%;
    height: 600px;
    border: none;
    display: block;
}

.features {
    padding: 5rem 2rem;
}

.features-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background: var(--slate-800);
    border: 1px solid var(--slate-700);
    border-radius: 12px;
    padding: 2rem;
}

.feature-card .icon-wrap {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--teal-primary), var(--emerald));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-family: 'Sora', sans-serif;
    color: var(--white);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: rgba(241, 245, 249, 0.6);
    font-size: 0.9375rem;
}

.about-block {
    padding: 5rem 2rem;
    background: linear-gradient(180deg, var(--slate-800), var(--slate-900));
}

.about-inner {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.about-inner h2 {
    font-family: 'Sora', sans-serif;
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 1.5rem;
}

.about-inner p {
    font-size: 1.0625rem;
    color: rgba(241, 245, 249, 0.7);
    margin-bottom: 1.25rem;
}

.footer {
    background: var(--slate-900);
    border-top: 1px solid var(--slate-700);
    padding: 3rem 2rem;
    text-align: center;
}

.footer-label {
    color: var(--teal-light);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.footer-nav a {
    color: var(--slate-100);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
}

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

.footer-copy {
    color: rgba(241, 245, 249, 0.4);
    font-size: 0.8125rem;
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.95);
    z-index: 10000;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(8px);
}

.modal-box {
    background: var(--slate-800);
    border: 1px solid var(--slate-700);
    border-radius: 16px;
    padding: 2.5rem;
    max-width: 440px;
    margin: 1rem;
    text-align: center;
}

.modal-box h2 {
    font-family: 'Sora', sans-serif;
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.modal-box p {
    color: rgba(241, 245, 249, 0.7);
    margin-bottom: 2rem;
    font-size: 0.9375rem;
}

.modal-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn {
    font-family: 'Inter', sans-serif;
    padding: 0.875rem 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: linear-gradient(135deg, var(--teal-primary), var(--emerald));
    color: var(--white);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--slate-700);
    color: var(--slate-100);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(13, 148, 136, 0.3);
}

.hidden {
    display: none !important;
}

.page-title {
    padding: 4rem 2rem;
    background: var(--slate-800);
    text-align: center;
    border-bottom: 1px solid var(--slate-700);
}

.page-title h1 {
    font-family: 'Sora', sans-serif;
    font-size: 2.25rem;
    color: var(--white);
}

.content-area {
    max-width: 850px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.content-area h2 {
    font-family: 'Sora', sans-serif;
    color: var(--teal-light);
    font-size: 1.25rem;
    margin: 2rem 0 1rem;
}

.content-area p {
    margin-bottom: 1rem;
    color: rgba(241, 245, 249, 0.8);
    font-size: 1rem;
}

.content-area ul {
    padding-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.content-area li {
    margin-bottom: 0.75rem;
    color: rgba(241, 245, 249, 0.8);
}

.tip-box {
    background: rgba(13, 148, 136, 0.1);
    border: 1px solid rgba(13, 148, 136, 0.3);
    border-radius: 12px;
    padding: 1.5rem;
    max-width: 1200px;
    margin: 0 auto 2rem;
}

.tip-box h3 {
    font-family: 'Sora', sans-serif;
    color: var(--teal-light);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.tip-box p {
    color: rgba(241, 245, 249, 0.7);
    font-size: 0.9375rem;
}

@media (max-width: 768px) {
    .burger-menu {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--slate-900);
        flex-direction: column;
        padding: 1rem;
        gap: 1rem;
        display: none;
        border-bottom: 1px solid var(--slate-700);
    }

    .nav-menu.open {
        display: flex;
    }

    .hero h1 {
        font-size: 2.25rem;
    }

    .info-chips {
        flex-direction: column;
        align-items: center;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .game-container iframe {
        height: 400px;
    }

    .modal-actions {
        flex-direction: column;
    }
}