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

body {
    background: #ffffff;
    color: #1e293b;
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    font-weight: 400;
}

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

h1, h2, h3 {
    font-weight: 500;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1rem;
}

h2 {
    font-size: 2.2rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 0.75rem;
}

h3 {
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
    color: #0f172a;
}

p {
    color: #334155;
    margin-bottom: 1.25rem;
}

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

/* header */
header {
    border-bottom: 1px solid #e2e8f0;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 10;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 500;
    color: #1e293b;
}

.logo span {
    color: #64748b;
    font-weight: 300;
}

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

nav a {
    color: #475569;
    font-weight: 400;
    transition: color 0.2s;
}

nav a:hover {
    color: #000;
}

.menu-toggle {
    display: none;
    background: none;
    border: 1px solid #cbd5e1;
    font-size: 1.5rem;
    padding: 0.25rem 1rem;
    cursor: pointer;
    border-radius: 6px;
}

.mobile-menu {
    display: none;
    background: white;
    border-top: 1px solid #e2e8f0;
    padding: 1.5rem;
}

.mobile-menu.active {
    display: block;
}

.mobile-menu ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

/* hero */
.hero {
    padding: 5rem 0 3rem;
    text-align: center;
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
}

.hero p {
    font-size: 1.25rem;
    color: #475569;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-link-box {
    display: flex;
    align-items: center;
    max-width: 850px;
    margin: 2.5rem auto 1.5rem;
    border: 1px solid #cbd5e1;
    background: white;
    border-radius: 60px;
    padding: 0.3rem 0.3rem 0.3rem 2rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}

.hero-link {
    flex: 1;
    font-family: 'SF Mono', 'Menlo', monospace;
    font-size: 0.95rem;
    color: #1e293b;
    background: transparent;
    border: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.copy-btn {
    background: #1e293b;
    color: white;
    border: none;
    padding: 0.9rem 2rem;
    border-radius: 60px;
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    transition: 0.2s;
    white-space: nowrap;
}

.copy-btn:hover {
    background: #0f172a;
    transform: scale(1.02);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #e6f7e6;
    color: #2e7d32;
    padding: 0.5rem 1.5rem;
    border-radius: 60px;
    font-size: 0.9rem;
    border: 1px solid #a5d6a7;
}

/* cards */
.grid-2, .grid-3 {
    display: grid;
    gap: 2rem;
}

.grid-2 { grid-template-columns: repeat(2,1fr); }
.grid-3 { grid-template-columns: repeat(3,1fr); }

.card {
    background: white;
    border: 1px solid #e2e8f0;
    padding: 2rem;
    transition: border 0.2s, box-shadow 0.2s;
}

.card:hover {
    border-color: #94a3b8;
    box-shadow: 0 4px 12px rgba(0,0,0,0.02);
}

.card-icon {
    font-size: 2rem;
    color: #475569;
    margin-bottom: 1.5rem;
}

/* access cards */
.access-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 2rem;
}

.access-item {
    border: 1px solid #e2e8f0;
    background: white;
    padding: 1.8rem;
}

.access-item h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.access-url {
    font-family: monospace;
    font-size: 0.85rem;
    background: #f8fafc;
    padding: 0.8rem;
    border: 1px solid #e2e8f0;
    word-break: break-all;
    margin-bottom: 1rem;
}

.access-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.online {
    color: #2e7d32;
    font-size: 0.9rem;
}

/* updates */
.updates-list {
    border-left: 2px solid #cbd5e1;
    padding-left: 2rem;
}

.update-item {
    margin-bottom: 2rem;
    position: relative;
}

.update-item::before {
    content: '';
    position: absolute;
    left: -2.4rem;
    top: 0.3rem;
    width: 12px;
    height: 12px;
    background: #1e293b;
    border-radius: 50%;
}

.update-date {
    color: #64748b;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.25rem;
}

.update-title {
    font-weight: 500;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

/* timeline */
.timeline {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.timeline-item {
    display: flex;
    gap: 2rem;
    border-bottom: 1px dashed #cbd5e1;
    padding-bottom: 1.5rem;
}

.timeline-year {
    font-weight: 500;
    color: #64748b;
    min-width: 80px;
}

/* reviews */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(2,1fr);
    gap: 2rem;
}

.review {
    border: 1px solid #e2e8f0;
    padding: 1.8rem;
    background: white;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.review-author strong {
    font-weight: 500;
}

.review-date {
    color: #64748b;
    font-size: 0.85rem;
}

.stars {
    color: #f5b342;
    letter-spacing: 2px;
    margin-bottom: 0.75rem;
}

/* faq */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(2,1fr);
    gap: 2rem;
}

.faq-item {
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 1.5rem;
}

.faq-question {
    font-weight: 500;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.faq-answer {
    color: #475569;
}

/* table */
.table-wrapper {
    border: 1px solid #e2e8f0;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

th {
    background: #f8fafc;
    text-align: left;
    padding: 1rem;
    font-weight: 500;
    color: #1e293b;
    border-bottom: 1px solid #cbd5e1;
}

td {
    padding: 1rem;
    border-bottom: 1px solid #e2e8f0;
    color: #334155;
}

.mono {
    font-family: monospace;
    font-size: 0.9rem;
}

/* cta */
.cta {
    text-align: center;
    background: #f8fafc;
    padding: 5rem 0;
    border-top: 1px solid #e2e8f0;
    border-bottom: 1px solid #e2e8f0;
}

.cta h2 {
    border-bottom: none;
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    background: #1e293b;
    color: white;
    padding: 1rem 3rem;
    border-radius: 60px;
    font-weight: 500;
    transition: 0.2s;
}

.cta-button:hover {
    background: #0f172a;
}

/* footer */
footer {
    background: #f8fafc;
    padding: 3rem 0 2rem;
    border-top: 1px solid #e2e8f0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    font-weight: 500;
    margin-bottom: 1rem;
    color: #1e293b;
}

.footer-col p, .footer-col ul {
    color: #475569;
    font-size: 0.9rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 0.5rem;
}

.footer-col a {
    color: #475569;
}

.footer-col a:hover {
    color: #000;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    color: #475569;
    font-size: 1.2rem;
}

.social-links a:hover {
    color: #000;
}

.copyright {
    text-align: center;
    color: #64748b;
    font-size: 0.85rem;
    border-top: 1px solid #e2e8f0;
    padding-top: 2rem;
}

/* responsive */
@media (max-width: 900px) {
    .grid-3, .access-grid, .faq-grid, .reviews-grid, .footer-grid {
        grid-template-columns: repeat(2,1fr);
    }
}

@media (max-width: 700px) {
    nav { display: none; }
    .menu-toggle { display: block; }
    h1 { font-size: 2.5rem; }
    .grid-2, .grid-3, .access-grid, .faq-grid, .reviews-grid, .footer-grid {
        grid-template-columns: 1fr;
    }
    .hero-link-box {
        flex-direction: column;
        border-radius: 30px;
        padding: 1rem;
    }
    .hero-link {
        width: 100%;
        white-space: normal;
        text-align: center;
    }
    .copy-btn { width: 100%; }
    .timeline-item { flex-direction: column; gap: 0.5rem; }
}