@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=Inter:wght@400;500&display=swap');

:root {
    --obsidian: #050505;
    --carbon: #111111;
    --graphite: #333333;
    --chalk: #f4f4f4;
    --dim: #888888;
    --accent-cyan: #00e5ff;
    --accent-gold: #ffcf00;
    --font-sans: 'Inter', -apple-system, sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;
    --grid-line: 1px solid var(--graphite);
}

body {
    background-color: var(--obsidian);
    color: var(--chalk);
    font-family: var(--font-sans);
    margin: 0;
    padding: 0;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Architectural Grid Background */
.grid-bg {
    background-image: 
        linear-gradient(var(--carbon) 1px, transparent 1px),
        linear-gradient(90deg, var(--carbon) 1px, transparent 1px);
    background-size: 40px 40px;
}

h1, h2, h3 {
    font-weight: 400;
    letter-spacing: -0.02em;
    margin: 0;
}

h1 { font-size: 3rem; }
h2 { font-size: 2rem; }

.mono { font-family: var(--font-mono); }
.text-dim { color: var(--dim); }
.text-cyan { color: var(--accent-cyan); }
.text-gold { color: var(--accent-gold); }
.text-chalk { color: var(--chalk); }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    border-left: var(--grid-line);
    border-right: var(--grid-line);
    min-height: 100vh;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 2rem;
    border-bottom: var(--grid-line);
    margin-bottom: 3rem;
}

.logo {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

nav a {
    color: var(--dim);
    text-decoration: none;
    margin-left: 2rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-family: var(--font-mono);
}
nav a:hover, nav a.active { color: var(--chalk); }

/* Tables UI */
.table-container {
    width: 100%;
    border: var(--grid-line);
    margin-bottom: 3rem;
    background: var(--obsidian);
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--dim);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 1rem;
    border-bottom: var(--grid-line);
    font-weight: normal;
}

td {
    padding: 1rem;
    border-bottom: var(--grid-line);
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

tr:last-child td { border-bottom: none; }
tr:hover { background-color: var(--carbon); }

/* Buttons */
.btn {
    background: transparent;
    color: var(--chalk);
    border: var(--grid-line);
    padding: 0.5rem 1rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn:hover {
    background: var(--chalk);
    color: var(--obsidian);
}

.btn-cyan { color: var(--accent-cyan); border-color: var(--accent-cyan); }
.btn-cyan:hover { background: var(--accent-cyan); color: var(--obsidian); }

.btn-gold { color: var(--accent-gold); border-color: var(--accent-gold); }
.btn-gold:hover { background: var(--accent-gold); color: var(--obsidian); }

/* Landing specifics */
.hero {
    padding: 6rem 0;
    border-bottom: var(--grid-line);
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.25rem;
    color: var(--dim);
    max-width: 600px;
    margin-bottom: 3rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: var(--grid-line);
    border-bottom: var(--grid-line);
    margin-top: -1px;
}

.stat-box {
    padding: 2rem;
    border-right: var(--grid-line);
}
.stat-box:last-child { border-right: none; }

.stat-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--dim);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 2rem;
    font-family: var(--font-mono);
}

/* ---- Mobile (added 2026-07-21): the page previously had no small-screen handling ---- */
@media (max-width: 800px) {
    .container { padding: 1.25rem; }
    h1, .hero h1 { font-size: 2.25rem; }
    header { padding-bottom: 1.25rem; margin-bottom: 1.75rem; flex-direction: column; align-items: flex-start; gap: 0.85rem; }
    nav { display: flex; align-items: center; gap: 1.25rem; }
    nav a, nav span { margin-left: 0; }

    /* Any inline-styled grid collapses to a single column */
    section[style*="grid-template-columns"],
    div[style*="grid-template-columns"] { grid-template-columns: 1fr !important; }

    /* Hero: diagram moves below the copy, divider rotates to a top rule */
    .hero { padding-top: 2.5rem; }
    .hero > div:first-child { padding-right: 0 !important; }
    .hero > div:last-child {
        border-left: none !important;
        border-top: var(--grid-line);
        margin-top: 0.5rem;
        padding: 1.75rem 0 0 !important;
        align-items: flex-start !important;
    }
    .hero pre { font-size: 0.7rem !important; }

    /* Cycle cards: column rules become row rules */
    div[style*="repeat(3"] > div { border-right: none !important; border-bottom: var(--grid-line); }
    div[style*="repeat(3"] > div:last-child { border-bottom: none; }

    /* For Borrowers / For Lenders: stack with a top rule between them */
    section[style*="1fr 1fr"] > div { border-left: none !important; padding-left: 0 !important; padding-right: 0 !important; }
    section[style*="1fr 1fr"] > div:last-child { border-top: var(--grid-line); padding-top: 2rem !important; margin-top: 0.5rem; }

    footer { flex-direction: column; align-items: flex-start !important; gap: 0.5rem; }
}