/* =========================================================================
   Design tokens
   ========================================================================= */
:root {
    /* Surfaces */
    --bg: #0a0a0d;
    --surface: #131319;
    --surface-elev: #1a1a22;
    --border: #232330;
    --border-strong: #34343f;

    /* Text */
    --text: #f4f4f9;
    --text-2: #a7a7b8;
    --text-3: #6a6a78;

    /* Accents */
    --accent: #5cb0ff;
    --accent-2: #9b8bff;
    --accent-soft: rgba(92, 176, 255, 0.13);
    --accent-ring: rgba(92, 176, 255, 0.22);
    --warn: #f4b342;
    --warn-soft: rgba(244, 179, 66, 0.12);
    --error: #ef6b6b;

    /* Spacing scale (Tailwind-ish 4/8/...) */
    --s-1: 4px;
    --s-2: 8px;
    --s-3: 12px;
    --s-4: 16px;
    --s-5: 24px;
    --s-6: 32px;
    --s-7: 48px;
    --s-8: 64px;
    --s-9: 96px;
    --s-10: 128px;

    /* Layout */
    --content-max: 1080px;
    --content-pad: 24px;

    /* Type */
    --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display",
        "Inter", "Segoe UI", system-ui, sans-serif;
    --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

    /* Motion */
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
    --t-fast: 120ms;
    --t-med: 240ms;
}

@media (prefers-color-scheme: light) {
    :root {
        --bg: #fbfbfd;
        --surface: #ffffff;
        --surface-elev: #ffffff;
        --border: #e6e6ec;
        --border-strong: #cccdd6;
        --text: #0d0d12;
        --text-2: #4a4a55;
        --text-3: #8a8a96;
        --accent: #2569e0;
        --accent-2: #6a5cf0;
        --accent-soft: rgba(37, 105, 224, 0.09);
        --accent-ring: rgba(37, 105, 224, 0.18);
    }
}

/* =========================================================================
   Base
   ========================================================================= */
* { box-sizing: border-box; }

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: opacity var(--t-fast) var(--ease);
}
a:hover { opacity: 0.82; }

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

.page {
    max-width: var(--content-max);
    margin: 0 auto;
    padding: 0 var(--content-pad);
}

/* =========================================================================
   Hero
   ========================================================================= */
.hero {
    position: relative;
    padding: var(--s-3) 0 var(--s-9);
    overflow: visible;
}

.backdrop {
    position: absolute;
    inset: -120px -240px auto -240px;
    height: 640px;
    background:
        radial-gradient(ellipse at 55% 0%, var(--accent-soft) 0%, transparent 55%),
        radial-gradient(ellipse at 20% 6%, rgba(155, 139, 255, 0.10) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.nav {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: var(--s-5);
    padding: var(--s-3) 0;
    margin-bottom: var(--s-7);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: var(--s-3);
    color: var(--text);
    font-weight: 600;
    font-size: 17px;
    letter-spacing: -0.01em;
}
.brand:hover { opacity: 1; }

.brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: block;
}

.nav-links {
    margin-left: auto;
    display: flex;
    gap: var(--s-5);
}

.nav-links a {
    color: var(--text-2);
    font-size: 14px;
    font-weight: 500;
    transition: color var(--t-fast) var(--ease);
}
.nav-links a:hover {
    color: var(--text);
    opacity: 1;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 760px;
    padding-top: var(--s-3);
}

.hero-icon-wrap {
    position: relative;
    width: clamp(112px, 14vw, 168px);
    height: clamp(112px, 14vw, 168px);
    margin-bottom: var(--s-6);
}

.hero-icon-glow {
    position: absolute;
    inset: -36px;
    background: radial-gradient(circle, var(--accent-ring) 0%, transparent 65%);
    filter: blur(18px);
    pointer-events: none;
}

.hero-icon {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: clamp(24px, 4vw, 38px);
    display: block;
    box-shadow:
        0 28px 60px -18px rgba(0, 0, 0, 0.55),
        0 1px 0 rgba(255, 255, 255, 0.05) inset;
}

.hero-title {
    font-size: clamp(34px, 5.5vw, 60px);
    font-weight: 600;
    line-height: 1.05;
    letter-spacing: -0.025em;
    margin: 0 0 var(--s-5);
    color: var(--text);
}

.hero-title .accent {
    color: var(--accent);
}

@supports (-webkit-background-clip: text) or (background-clip: text) {
    .hero-title .accent {
        background: linear-gradient(120deg, var(--accent) 0%, var(--accent-2) 95%);
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
        color: transparent;
    }
}

.hero-lead {
    font-size: 18px;
    line-height: 1.55;
    color: var(--text-2);
    max-width: 600px;
    margin: 0 0 var(--s-6);
}

.trust-pills {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: var(--s-2);
}

.trust-pills li {
    display: inline-flex;
    align-items: center;
    gap: var(--s-2);
    padding: 6px 12px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 13px;
    color: var(--text-2);
    font-weight: 500;
}

.pill-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 6px var(--accent);
}

/* =========================================================================
   Sections
   ========================================================================= */
.section {
    padding: clamp(48px, 8vw, 96px) 0 var(--s-7);
    border-top: 1px solid var(--border);
}

.section-head {
    display: flex;
    align-items: baseline;
    gap: var(--s-4);
    margin-bottom: var(--s-5);
}

.section-num {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-3);
    letter-spacing: 0.05em;
}

.section h2 {
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 600;
    letter-spacing: -0.02em;
    margin: 0;
    color: var(--text);
}

.caption {
    color: var(--text-3);
    font-size: 14px;
    line-height: 1.55;
    margin: -8px 0 var(--s-6);
    max-width: 640px;
}

.prose {
    max-width: 640px;
}

.prose p {
    color: var(--text-2);
    margin: 0 0 var(--s-4);
    font-size: 16px;
    line-height: 1.65;
}

.prose p:last-child { margin-bottom: 0; }

/* =========================================================================
   Property grid
   ========================================================================= */
.prop-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--s-3);
}

.prop {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: var(--s-5);
    transition:
        border-color var(--t-med) var(--ease),
        transform var(--t-med) var(--ease),
        background var(--t-med) var(--ease);
}

.prop:hover {
    border-color: var(--border-strong);
    background: var(--surface-elev);
    transform: translateY(-2px);
}

.prop-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--accent-soft);
    color: var(--accent);
    margin-bottom: var(--s-3);
    transition: background var(--t-med) var(--ease);
}

.prop:hover .prop-icon {
    background: var(--accent-ring);
}

.prop-icon svg {
    width: 20px;
    height: 20px;
}

.prop h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    margin: 0 0 6px;
    letter-spacing: -0.01em;
}

.prop p {
    font-size: 14px;
    color: var(--text-2);
    margin: 0;
    line-height: 1.55;
}

/* =========================================================================
   Roadmap timeline
   ========================================================================= */
.timeline {
    position: relative;
    list-style: none;
    padding: 0;
    margin: var(--s-2) 0 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 9px;
    top: 16px;
    bottom: 16px;
    width: 2px;
    background: linear-gradient(180deg, var(--border-strong) 0%, var(--border) 100%);
}

.t-item {
    position: relative;
    padding: 0 0 var(--s-5) var(--s-7);
}

.t-item:last-child { padding-bottom: 0; }

.t-dot {
    position: absolute;
    left: 0;
    top: 8px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--bg);
    border: 2px solid var(--border-strong);
    box-sizing: border-box;
    transition: border-color var(--t-med) var(--ease);
}

.t-current .t-dot {
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 0 0 5px var(--accent-soft);
}

.t-meta {
    display: flex;
    align-items: center;
    gap: var(--s-2);
    margin-bottom: 4px;
}

.t-tag {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text);
    font-weight: 600;
}

.t-current .t-tag { color: var(--accent); }

.t-flag {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 2px 8px;
    border-radius: 4px;
    background: var(--surface);
    color: var(--text-3);
    border: 1px solid var(--border);
}

.t-flag.current {
    background: var(--accent-soft);
    color: var(--accent);
    border-color: transparent;
}

.t-flag.paid {
    background: var(--warn-soft);
    color: var(--warn);
    border-color: transparent;
}

.t-body {
    color: var(--text-2);
    margin: 0;
    font-size: 14px;
    line-height: 1.55;
    max-width: 560px;
}

/* =========================================================================
   Stats
   ========================================================================= */
.stat-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--s-3);
    margin-top: var(--s-2);
}

.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: var(--s-5);
    display: flex;
    flex-direction: column;
    transition: border-color var(--t-med) var(--ease);
}

.stat-card:hover { border-color: var(--border-strong); }

.stat-label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--text-3);
    font-weight: 600;
}

.stat-value {
    font-size: 32px;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text);
    font-variant-numeric: tabular-nums;
    line-height: 1.1;
    margin-top: 6px;
}

.stat-sub {
    font-size: 12px;
    color: var(--text-3);
    margin-top: 4px;
}

#stats-table-wrap { margin-top: var(--s-5); }

#stats-table-wrap summary {
    cursor: pointer;
    color: var(--text-2);
    font-size: 14px;
    padding: 8px 0;
    user-select: none;
    list-style: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color var(--t-fast) var(--ease);
}

#stats-table-wrap summary::-webkit-details-marker { display: none; }

#stats-table-wrap summary::before {
    content: '▸';
    font-size: 10px;
    color: var(--text-3);
    transition: transform var(--t-fast) var(--ease);
    display: inline-block;
}

#stats-table-wrap[open] summary::before {
    transform: rotate(90deg);
}

#stats-table-wrap summary:hover { color: var(--text); }

#daily-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--s-3);
    font-size: 13px;
}

#daily-table th,
#daily-table td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    font-variant-numeric: tabular-nums;
}

#daily-table th {
    color: var(--text-3);
    font-weight: 500;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

#daily-table td { color: var(--text-2); }

#daily-table tbody tr:hover {
    background: var(--surface);
}

.warning {
    background: var(--warn-soft);
    color: var(--warn);
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: var(--s-4);
    border: 1px solid var(--warn-soft);
}

.error {
    color: var(--error);
    font-size: 14px;
    margin: var(--s-3) 0 0;
}

/* =========================================================================
   Footer
   ========================================================================= */
.site-footer {
    border-top: 1px solid var(--border);
    padding: var(--s-7) 0 var(--s-9);
    color: var(--text-3);
    font-size: 13px;
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: var(--s-2);
    font-weight: 600;
    color: var(--text-2);
    margin-bottom: var(--s-4);
}

.footer-brand img {
    border-radius: 6px;
}

.footer-line {
    margin: 0 0 var(--s-2);
    color: var(--text-2);
}

.footer-fine {
    margin: 0;
    color: var(--text-3);
    line-height: 1.55;
    max-width: 520px;
}

/* =========================================================================
   Responsive
   ========================================================================= */
@media (max-width: 720px) {
    :root { --content-pad: 20px; }
    .nav-links { gap: var(--s-4); }
    .hero-content { padding-top: 0; }
    .hero-lead { font-size: 17px; }
    .section { padding-top: clamp(40px, 8vw, 64px); }
}

@media (max-width: 480px) {
    .nav-links { display: none; }
    .stat-value { font-size: 28px; }
}

/* =========================================================================
   Light-mode polish
   ========================================================================= */
@media (prefers-color-scheme: light) {
    .hero-icon {
        box-shadow:
            0 16px 40px -12px rgba(20, 28, 60, 0.18),
            0 2px 4px rgba(20, 28, 60, 0.04);
    }
    .hero-icon-glow {
        background: radial-gradient(circle, var(--accent-soft) 0%, transparent 65%);
        filter: blur(24px);
    }
    .stat-card,
    .prop {
        box-shadow: 0 1px 2px rgba(20, 28, 60, 0.03);
    }
    .pill-dot { box-shadow: 0 0 6px var(--accent-ring); }
}

/* =========================================================================
   Motion / accessibility
   ========================================================================= */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
}