@import url('https://fonts.googleapis.com/css2?family=Source+Sans+3:wght@300;400;500;600;700;800;900&display=swap');

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

:root {
    --deep-blue: #0a0f1a;
    --navy: #151d2e;
    --electric: #00d4ff;
    --electric-dim: #0099cc;
    --steel: #64748b;
    --white: #f8fafc;
    --gray-light: #e2e8f0;
    --text-body: #94a3b8;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Source Sans 3', sans-serif;
    background: var(--deep-blue);
    color: var(--white);
    min-height: 100vh;
    line-height: 1.65;
}

.top-nav {
    background: rgba(21, 29, 46, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 1rem 2rem;
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
}

.top-nav-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
}

.brand-link svg {
    width: 38px;
    height: 38px;
}

.brand-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--electric);
    letter-spacing: 0.5px;
}

.mobile-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--electric);
    padding: 8px;
    cursor: pointer;
    border-radius: 4px;
    z-index: 1001;
}

.mobile-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--electric);
    margin: 4px 0;
    transition: 0.3s;
}

.mobile-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 5px);
}

.mobile-toggle.open span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -5px);
}

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

.nav-list a {
    color: var(--text-body);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.3px;
    transition: color 0.2s;
}

.nav-list a:hover {
    color: var(--electric);
}

.banner-section {
    padding: 9rem 2rem 5rem;
    background: linear-gradient(180deg, var(--navy) 0%, var(--deep-blue) 100%);
    text-align: center;
}

.banner-content {
    max-width: 900px;
    margin: 0 auto;
}

.banner-section h1 {
    font-size: 2.8rem;
    font-weight: 900;
    margin-bottom: 1.2rem;
    color: var(--white);
}

.banner-section h1 span {
    color: var(--electric);
}

.banner-section p {
    font-size: 1.15rem;
    color: var(--text-body);
    margin-bottom: 2rem;
}

.label-row {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.label {
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--electric-dim);
    padding: 0.6rem 1.3rem;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--electric);
}

.slot-section {
    padding: 4rem 2rem;
    background: var(--deep-blue);
}

.slot-title {
    text-align: center;
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--gray-light);
    margin-bottom: 1.5rem;
}

.slot-frame {
    max-width: 1150px;
    margin: 0 auto;
    background: var(--navy);
    border: 1px solid rgba(0, 212, 255, 0.3);
    padding: 4px;
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.15);
}

.slot-frame iframe {
    width: 100%;
    height: 620px;
    border: none;
    display: block;
}

.benefits {
    padding: 4rem 2rem;
    background: var(--navy);
}

.benefits-title {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 2rem;
}

.benefits-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.benefit-item {
    background: rgba(10, 15, 26, 0.6);
    border-left: 3px solid var(--electric);
    padding: 1.8rem;
    transition: background 0.3s;
}

.benefit-item:hover {
    background: rgba(0, 212, 255, 0.05);
}

.benefit-item .sym {
    font-size: 2.2rem;
    margin-bottom: 0.8rem;
}

.benefit-item h3 {
    color: var(--electric);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.benefit-item p {
    color: var(--text-body);
    font-size: 0.95rem;
}

.about {
    padding: 4rem 2rem;
    background: var(--deep-blue);
}

.about-wrap {
    max-width: 950px;
    margin: 0 auto;
}

.about-wrap h2 {
    font-size: 1.8rem;
    color: var(--white);
    margin-bottom: 1.5rem;
    text-align: center;
    font-weight: 800;
}

.about-wrap p {
    color: var(--text-body);
    margin-bottom: 1rem;
}

.notice-panel {
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid var(--electric);
    padding: 1.5rem;
    margin: 2rem 0;
}

.notice-panel h3 {
    color: var(--electric);
    margin-bottom: 0.4rem;
    font-size: 1.05rem;
}

.notice-panel p {
    color: var(--white);
    margin: 0;
}

.static-page {
    padding: 7rem 2rem 4rem;
    min-height: 80vh;
    background: linear-gradient(180deg, var(--navy), var(--deep-blue));
}

.static-wrap {
    max-width: 880px;
    margin: 0 auto;
}

.static-wrap h1 {
    font-size: 2.2rem;
    color: var(--white);
    margin-bottom: 1.5rem;
    font-weight: 900;
    padding-bottom: 0.8rem;
    border-bottom: 2px solid var(--electric);
}

.static-wrap h2 {
    font-size: 1.3rem;
    color: var(--electric);
    margin: 1.8rem 0 0.8rem;
    font-weight: 700;
}

.static-wrap p {
    color: var(--text-body);
    margin-bottom: 1rem;
}

.static-wrap ul {
    list-style: none;
    padding-left: 1rem;
    margin-bottom: 1rem;
}

.static-wrap ul li {
    color: var(--text-body);
    margin-bottom: 0.4rem;
    position: relative;
    padding-left: 1rem;
}

.static-wrap ul li::before {
    content: '—';
    position: absolute;
    left: -0.5rem;
    color: var(--electric);
}

.bottom-footer {
    background: var(--navy);
    border-top: 1px solid rgba(0, 212, 255, 0.2);
    padding: 2.5rem 2rem;
    text-align: center;
}

.bottom-footer-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.safe-links {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.safe-links a {
    color: var(--steel);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.safe-links a:hover {
    color: var(--electric);
}

.copyright-line {
    color: var(--steel);
    font-size: 0.85rem;
}

.age-screen {
    position: fixed;
    inset: 0;
    background: rgba(10, 15, 26, 0.98);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    padding: 1rem;
}

.age-screen.dismissed {
    display: none;
}

.age-dialog {
    background: var(--navy);
    border: 2px solid var(--electric);
    padding: 2.5rem;
    text-align: center;
    max-width: 430px;
    width: 100%;
}

.age-dialog .age-sym {
    font-size: 3.5rem;
    margin-bottom: 0.8rem;
}

.age-dialog h2 {
    color: var(--white);
    font-size: 1.6rem;
    margin-bottom: 0.8rem;
    font-weight: 800;
}

.age-dialog p {
    color: var(--text-body);
    margin-bottom: 1.8rem;
}

.age-btns {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.age-btns button {
    padding: 0.85rem 2rem;
    font-family: inherit;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: 0.2s;
    border: none;
}

.btn-ok {
    background: var(--electric);
    color: var(--deep-blue);
}

.btn-ok:hover {
    background: var(--electric-dim);
}

.btn-cancel {
    background: transparent;
    border: 1px solid var(--steel);
    color: var(--steel);
}

.btn-cancel:hover {
    border-color: #ef4444;
    color: #ef4444;
}

@media (max-width: 992px) {
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: block;
    }

    .nav-list {
        position: fixed;
        top: 0;
        right: -100%;
        width: 250px;
        height: 100vh;
        background: var(--navy);
        flex-direction: column;
        padding: 5rem 1.5rem 2rem;
        gap: 1.2rem;
        transition: right 0.3s;
        border-left: 1px solid var(--electric);
    }

    .nav-list.visible {
        right: 0;
    }

    .nav-list a {
        font-size: 1rem;
    }

    .banner-section {
        padding: 7rem 1.5rem 4rem;
    }

    .banner-section h1 {
        font-size: 2rem;
    }

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

    .slot-frame iframe {
        height: 440px;
    }

    .slot-title {
        font-size: 1.4rem;
    }

    .label {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }

    .safe-links {
        flex-direction: column;
        gap: 0.8rem;
    }

    .age-dialog {
        padding: 1.8rem 1.2rem;
    }

    .age-btns {
        flex-direction: column;
    }

    .age-btns button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .top-nav {
        padding: 0.75rem 1rem;
    }

    .brand-title {
        font-size: 1.2rem;
    }

    .banner-section h1 {
        font-size: 1.7rem;
    }

    .static-wrap h1 {
        font-size: 1.7rem;
    }
}