/* ─────────────────────────────────────────────────────────────
   EMITERA — Financial-grade design system
   Inspired by: Bloomberg Terminal, FT (Financial Times),
                Stripe, Linear, Cube.dev
   ───────────────────────────────────────────────────────────── */

:root {
    /* === Brand Core === */
    --ink-900: #0a1628;          /* deep navy — primary brand */
    --ink-800: #0f1e36;
    --ink-700: #1a2d4d;
    --ink-600: #2a4163;
    --ink-500: #4b6584;
    --ink-400: #7a8aa0;
    --ink-300: #a7b3c5;
    --ink-200: #cdd5e0;
    --ink-100: #e6eaf0;
    --ink-50:  #f5f7fa;

    /* === Accent === */
    --signal-green: #00b074;     /* IDX-style "up" green, slightly darker for trust */
    --signal-green-dark: #008c5d;
    --signal-red: #d93535;        /* IDX-style "down" red */
    --signal-amber: #d97706;     /* gold accent — premium / earnings */
    --signal-amber-soft: #fbbf24;

    /* === Paper === */
    --paper: #fafaf7;             /* off-white, FT-inspired */
    --paper-dark: #f0eee8;
    --border-fine: #e4e0d6;      /* serif-paper border */

    /* === Code / data === */
    --code-bg: #0a1628;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    font-feature-settings: 'ss01' on, 'cv11' on;  /* Inter alt characters */
    background: #ffffff;
    color: var(--ink-900);
}

/* === Typography hierarchy === */
.font-serif {
    font-family: 'Source Serif 4', 'Source Serif Pro', 'Charter', Georgia, serif;
    letter-spacing: -0.02em;
}
.font-mono, .tabular {
    font-family: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
    font-variant-numeric: tabular-nums;
    font-feature-settings: 'tnum' on, 'zero' on;
}
.headline-serif {
    font-family: 'Source Serif 4', Georgia, serif;
    letter-spacing: -0.025em;
    font-weight: 600;
}

/* === Ink color utilities === */
.bg-ink-900 { background-color: var(--ink-900); }
.bg-ink-800 { background-color: var(--ink-800); }
.bg-paper { background-color: var(--paper); }
.text-ink-900 { color: var(--ink-900); }
.text-ink-500 { color: var(--ink-500); }
.text-ink-400 { color: var(--ink-400); }
.text-signal-green { color: var(--signal-green); }
.text-signal-red { color: var(--signal-red); }
.text-signal-amber { color: var(--signal-amber); }
.border-ink { border-color: var(--ink-200); }
.border-fine { border-color: var(--border-fine); }

/* === Brand palette utilities (ink + signal) ===
   Tailwind CDN ships with no custom color config, so these design tokens
   are declared here to render as intended across every page. */
.bg-ink-50  { background-color: var(--ink-50); }
.bg-ink-100 { background-color: var(--ink-100); }
.bg-ink-200 { background-color: var(--ink-200); }
.bg-ink-700 { background-color: var(--ink-700); }
.text-ink-700 { color: var(--ink-700); }
.text-ink-300 { color: var(--ink-300); }
.text-ink-200 { color: var(--ink-200); }
.border-ink-100 { border-color: var(--ink-100); }
.border-ink-200 { border-color: var(--ink-200); }
.border-ink-700 { border-color: var(--ink-700); }
.border-ink-900 { border-color: var(--ink-900); }
.bg-signal-green { background-color: var(--signal-green); }
.border-signal-green { border-color: var(--signal-green); }
.bg-signal-green\/10 { background-color: rgba(0, 176, 116, 0.10); }
.bg-signal-green\/15 { background-color: rgba(0, 176, 116, 0.15); }
.bg-signal-green\/20 { background-color: rgba(0, 176, 116, 0.20); }
.border-signal-green\/30 { border-color: rgba(0, 176, 116, 0.30); }

/* === Gradient (very subtle now) === */
.gradient-text {
    background: linear-gradient(135deg, var(--ink-900) 0%, var(--signal-green-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.gradient-bg-dark {
    background: linear-gradient(180deg, var(--ink-900) 0%, #050a14 100%);
}
.gradient-bg-emerald {
    background: linear-gradient(135deg, var(--signal-green) 0%, var(--signal-green-dark) 100%);
}

/* === Bloomberg-style ticker bar === */
.ticker-bar {
    background: var(--ink-900);
    color: var(--ink-100);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    overflow: hidden;
    border-bottom: 1px solid var(--ink-700);
}
.ticker-track {
    display: inline-flex;
    gap: 2rem;
    padding: 0.55rem 0;
    animation: ticker-scroll 60s linear infinite;
    white-space: nowrap;
}
@keyframes ticker-scroll {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}
.ticker-item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.ticker-item .sym { font-weight: 600; color: white; }
.ticker-item .price { color: var(--ink-200); }
.ticker-item .change-up { color: var(--signal-green); }
.ticker-item .change-down { color: var(--signal-red); }

/* === Cards === */
.fin-card {
    background: white;
    border: 1px solid var(--ink-200);
    border-radius: 4px;
    transition: border-color 0.2s, transform 0.2s;
}
.fin-card:hover {
    border-color: var(--ink-900);
    transform: translateY(-1px);
}
.fin-card-dark {
    background: var(--ink-800);
    border: 1px solid var(--ink-700);
    border-radius: 4px;
    color: var(--ink-100);
}

/* === Data table style === */
.fin-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.875rem;
}
.fin-table th {
    text-align: left;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.7rem;
    color: var(--ink-500);
    border-bottom: 1px solid var(--ink-200);
    padding: 0.75rem 1rem;
    background: var(--ink-50);
}
.fin-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--ink-100);
}
.fin-table tr:hover td { background: var(--ink-50); }

/* === Hero pattern (subtle grid) === */
.hero-grid {
    background-image:
        linear-gradient(rgba(10, 22, 40, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(10, 22, 40, 0.04) 1px, transparent 1px);
    background-size: 24px 24px;
}
.hero-grid-dark {
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 32px 32px;
}

/* === Reveal animation === */
.reveal {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* === Button styles === */
.btn-primary {
    background: var(--ink-900);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.875rem;
    transition: background 0.2s, transform 0.1s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid var(--ink-900);
}
.btn-primary:hover { background: var(--ink-800); }
.btn-primary:active { transform: scale(0.98); }

.btn-secondary {
    background: white;
    color: var(--ink-900);
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.875rem;
    border: 1px solid var(--ink-300);
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.btn-secondary:hover { border-color: var(--ink-900); background: var(--ink-50); }

.btn-accent {
    background: var(--signal-green);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.875rem;
    border: 1px solid var(--signal-green-dark);
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.btn-accent:hover { background: var(--signal-green-dark); }

/* === Stat / metric block === */
.metric {
    font-family: 'Source Serif 4', serif;
    font-variant-numeric: tabular-nums;
    font-feature-settings: 'tnum' on;
    font-weight: 600;
    letter-spacing: -0.025em;
    line-height: 1;
}

/* === Mono labels (Bloomberg-style) === */
.mono-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ink-500);
}

/* === Section divider (FT-style horizontal rule) === */
.fin-divider {
    height: 1px;
    background: var(--ink-200);
    margin: 0 auto;
    max-width: 100%;
}
.fin-divider-accent {
    height: 2px;
    width: 48px;
    background: var(--signal-green);
    margin-bottom: 1rem;
}

/* === Pulse dot for "live" === */
@keyframes pulse-ring {
    0% { transform: scale(0.8); opacity: 1; }
    100% { transform: scale(2.2); opacity: 0; }
}
.live-dot {
    position: relative;
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--signal-green);
}
.live-dot::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: var(--signal-green);
    animation: pulse-ring 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* === Code block === */
pre.code-block {
    background: var(--code-bg);
    color: #c9d4e3;
    padding: 1.25rem;
    border-radius: 4px;
    overflow-x: auto;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    line-height: 1.65;
    border: 1px solid var(--ink-700);
}
pre.code-block .kw { color: #6dd3a8; }
pre.code-block .str { color: #f4b942; }
pre.code-block .com { color: var(--ink-400); font-style: italic; }

/* === Mobile menu === */
.mobile-menu {
    transform: translateX(100%);
    transition: transform 0.3s ease-out;
}
.mobile-menu.open { transform: translateX(0); }

/* === Pricing card highlighted === */
.pricing-card-featured {
    position: relative;
    border-color: var(--ink-900) !important;
    box-shadow: 0 0 0 2px rgba(10, 22, 40, 0.05);
}

/* === Logo === */
.logo-mark {
    width: 36px;
    height: 36px;
    background: var(--ink-900);
    color: white;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: 'Source Serif 4', serif;
    font-weight: 700;
    font-size: 1.25rem;
    border-radius: 2px;
    letter-spacing: -0.05em;
}
.logo-text {
    font-family: 'Source Serif 4', serif;
    font-weight: 700;
    letter-spacing: -0.02em;
}
/* Logo on dark backgrounds (footers): inverted white mark for crisp contrast */
footer .logo-mark {
    background: #ffffff;
    color: var(--ink-900);
}

/* === Animated underline link === */
.fin-link {
    position: relative;
    display: inline-block;
}
.fin-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: -2px;
    left: 0;
    background: var(--ink-900);
    transition: width 0.25s ease;
}
.fin-link:hover::after { width: 100%; }

/* === Badge / chip === */
.chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.25rem 0.75rem;
    background: white;
    border: 1px solid var(--ink-200);
    border-radius: 100px;
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--ink-700);
}
.chip-dark {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--ink-100);
}
.chip-accent {
    background: rgba(0, 176, 116, 0.08);
    border-color: rgba(0, 176, 116, 0.25);
    color: var(--signal-green-dark);
}

/* === Number diff (Bloomberg-like up/down) === */
.diff-up::before { content: '▲ '; color: var(--signal-green); font-size: 0.7em; }
.diff-down::before { content: '▼ '; color: var(--signal-red); font-size: 0.7em; }

/* ─────────────────────────────────────────────────────────────
   ENHANCED COMPONENTS — for richer visual hierarchy
   ───────────────────────────────────────────────────────────── */

/* === Module card with colored accent === */
.module-card {
    background: white;
    border: 1px solid var(--ink-200);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
    transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.module-card:hover {
    transform: translateY(-3px);
    border-color: var(--ink-900);
    box-shadow: 0 10px 30px -10px rgba(10, 22, 40, 0.15);
}
.module-card-top {
    height: 4px;
    background: var(--ink-300);
}
.module-card-icon {
    width: 44px;
    height: 44px;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--ink-50);
    color: var(--ink-900);
    border: 1px solid var(--ink-200);
}

/* Unified module accent — single brand palette: green accent bar + navy icon */
.module-content   .module-card-top,
.module-investor  .module-card-top,
.module-admin     .module-card-top,
.module-analytics .module-card-top,
.module-network   .module-card-top { background: var(--signal-green); }
/* icons keep the default navy .module-card-icon treatment above */

/* === Tag chip cluster === */
.tag-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.25rem 0.55rem;
    background: var(--ink-50);
    border: 1px solid var(--ink-200);
    border-radius: 100px;
    font-size: 0.68rem;
    font-weight: 500;
    color: var(--ink-700);
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.02em;
}

/* === Worker card (dark theme) === */
.worker-card {
    background: var(--ink-800);
    border: 1px solid var(--ink-700);
    border-radius: 4px;
    padding: 1.25rem;
    transition: border-color 0.2s, background 0.2s;
    position: relative;
}
.worker-card:hover {
    border-color: var(--signal-green);
    background: #0d1f3a;
}
.worker-icon-wrap {
    width: 36px;
    height: 36px;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--signal-green);
    margin-bottom: 0.75rem;
}
.worker-status {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.18rem 0.5rem;
    background: rgba(0, 176, 116, 0.1);
    border: 1px solid rgba(0, 176, 116, 0.25);
    border-radius: 100px;
    font-size: 0.6rem;
    font-weight: 600;
    color: var(--signal-green);
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 0.6rem;
}

/* === Workflow step (numbered with connecting line) === */
.workflow-step {
    position: relative;
    padding-left: 4.5rem;
    padding-bottom: 2.5rem;
}
.workflow-step::before {
    content: attr(data-step);
    position: absolute;
    left: 0;
    top: 0;
    width: 3rem;
    height: 3rem;
    background: white;
    border: 2px solid var(--ink-900);
    color: var(--ink-900);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Source Serif 4', serif;
    font-weight: 700;
    font-size: 1.25rem;
    z-index: 2;
}
.workflow-step::after {
    content: '';
    position: absolute;
    left: 1.5rem;
    top: 3rem;
    bottom: 0;
    width: 1px;
    background: var(--ink-200);
    z-index: 1;
}
.workflow-step:last-child::after { display: none; }

.workflow-step-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 4px;
    background: var(--ink-50);
    color: var(--ink-900);
    border: 1px solid var(--ink-200);
    margin-bottom: 0.75rem;
}

/* === Comparison split (vs) === */
.split-vs {
    position: relative;
}
.split-vs::before {
    content: 'VS';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background: white;
    color: var(--ink-900);
    border: 2px solid var(--ink-900);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Source Serif 4', serif;
    font-weight: 700;
    font-size: 1rem;
    z-index: 10;
}

/* === Tenant isolation diagram (visual) === */
.tenant-diagram {
    background: var(--ink-50);
    border: 1px solid var(--ink-200);
    border-radius: 4px;
    padding: 1.5rem;
    font-family: 'JetBrains Mono', monospace;
}
.tenant-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 0.8rem;
    background: white;
    border: 1px solid var(--ink-200);
    border-radius: 4px;
    font-size: 0.72rem;
    margin-bottom: 0.5rem;
}
.tenant-row:last-child { margin-bottom: 0; }
.tenant-row .lock { color: var(--signal-green); }
.tenant-row .domain { color: var(--ink-900); font-weight: 600; }
.tenant-row .stat { color: var(--ink-500); margin-left: auto; }

/* === Sticky section nav === */
.section-nav {
    position: sticky;
    top: 4rem;
    z-index: 40;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-fine);
}

/* === Decorative accent === */
.accent-corner {
    position: relative;
}
.accent-corner::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    width: 16px;
    height: 16px;
    border-top: 2px solid var(--signal-green);
    border-left: 2px solid var(--signal-green);
}
.accent-corner-r::after {
    content: '';
    position: absolute;
    bottom: -1px;
    right: -1px;
    width: 16px;
    height: 16px;
    border-bottom: 2px solid var(--signal-green);
    border-right: 2px solid var(--signal-green);
}

/* ─────────────────────────────────────────────────────────────
   MOBILE OVERRIDES — portrait phones (≤ 768px)
   Tailwind handles most stacking; the rules below clean up
   custom components that don't reflow well on small screens.
   ───────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    /* === Prevent horizontal overflow at the root === */
    html, body { overflow-x: hidden; max-width: 100vw; }

    /* === Headlines: tame oversize serif headings === */
    .headline-serif {
        letter-spacing: -0.02em;
    }
    .headline-serif.text-5xl,
    .headline-serif.text-6xl,
    .headline-serif.text-7xl { font-size: clamp(2rem, 9vw, 2.75rem); line-height: 1.08; }
    .headline-serif.text-4xl { font-size: clamp(1.75rem, 7.5vw, 2.25rem); line-height: 1.12; }
    .headline-serif.text-3xl { font-size: clamp(1.5rem, 6.5vw, 2rem); line-height: 1.15; }

    /* === Metric numbers: scale down so they fit narrow columns === */
    .metric.text-5xl { font-size: clamp(2.25rem, 11vw, 3rem); }
    .metric.text-4xl { font-size: clamp(1.875rem, 9vw, 2.5rem); }
    .metric.text-3xl { font-size: clamp(1.625rem, 7.5vw, 2.125rem); }
    .metric.text-2xl { font-size: clamp(1.375rem, 6vw, 1.75rem); }

    /* === Data table: force min-width so parent overflow-x-auto kicks in ===
       (keeping native table display so cells/rows align properly) */
    .fin-table {
        font-size: 0.8rem;
        min-width: 540px;
    }
    .fin-table th, .fin-table td { padding: 0.55rem 0.75rem; white-space: nowrap; }
    .fin-table td:first-child { white-space: normal; min-width: 140px; }

    /* === Workflow steps: less left indent, smaller number badge === */
    .workflow-step {
        padding-left: 3.25rem;
        padding-bottom: 2rem;
    }
    .workflow-step::before {
        width: 2.5rem;
        height: 2.5rem;
        font-size: 1rem;
    }
    .workflow-step::after { left: 1.25rem; top: 2.5rem; }

    /* === VS split: when columns stack, the floating "VS" no longer makes sense === */
    .split-vs::before { display: none; }

    /* === Tenant diagram: stack the row pieces instead of overflowing === */
    .tenant-diagram { padding: 1rem; }
    .tenant-row {
        flex-wrap: wrap;
        gap: 0.35rem 0.6rem;
        padding: 0.5rem 0.6rem;
        font-size: 0.65rem;
    }
    .tenant-row .domain { word-break: break-all; flex: 1 1 auto; min-width: 0; }
    .tenant-row .stat { margin-left: 0; flex-basis: 100%; color: var(--ink-500); font-size: 0.6rem; }

    /* === Ticker bar: slower so it's readable, smaller padding === */
    .ticker-track { animation-duration: 90s; gap: 1.25rem; }
    .ticker-bar { font-size: 0.65rem; }

    /* === Cards: tighter padding so content gets room === */
    .fin-card, .fin-card-dark { border-radius: 4px; }

    /* === Chips: allow wrapping if long === */
    .chip {
        font-size: 0.65rem;
        padding: 0.25rem 0.65rem;
        max-width: 100%;
    }
    .chip > span:last-child { white-space: normal; }

    /* === Module cards: slightly smaller icons === */
    .module-card-icon {
        width: 2.25rem; height: 2.25rem;
    }

    /* === Buttons: full-width by default in CTA stacks (parent already uses flex-col on small) === */
    .btn-primary, .btn-secondary, .btn-accent {
        padding: 0.7rem 1.1rem;
        font-size: 0.875rem;
    }

    /* === Hero pattern grid: smaller scale on mobile so it's not pixelly === */
    .hero-grid { background-size: 16px 16px; }
    .hero-grid-dark { background-size: 20px 20px; }

    /* === Accent corners: shrink so they don't overlap card content === */
    .accent-corner::before,
    .accent-corner-r::after { width: 12px; height: 12px; }

    /* === Mobile menu: ensure it fully covers + scrollable === */
    .mobile-menu {
        width: 80vw;
        max-width: 320px;
        overflow-y: auto;
        max-height: 100vh;
    }

    /* === Sticky tab nav (features.html) — allow horizontal scroll without showing scrollbar === */
    .scroll-mt-32 { scroll-margin-top: 8rem; }
}

/* ─── Very small phones (≤ 380px) ─── */
@media (max-width: 380px) {
    .headline-serif.text-5xl,
    .headline-serif.text-6xl,
    .headline-serif.text-7xl { font-size: 1.875rem; }
    .metric.text-5xl { font-size: 2rem; }
    .workflow-step { padding-left: 2.75rem; }
    .workflow-step::before { width: 2.25rem; height: 2.25rem; font-size: 0.9rem; }
}

/* ─── Tablet portrait (769-1023px) — soften lg-only headings === */
@media (min-width: 769px) and (max-width: 1023px) {
    .headline-serif.text-7xl { font-size: 3.5rem; line-height: 1.05; }
    .headline-serif.text-6xl { font-size: 3rem; }
}