/* Reset */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --ink: #111111;
    --ink-soft: #555555;
    --muted: #999999;
    --line: #E0E0E0;
    --surface: #F6F6F3;
    --white: #FFFFFF;
    --gain: #2E7D32;
    --loss: #C0392B;
    --font: 'Inter', -apple-system, 'Segoe UI', Roboto, sans-serif;
}

html { scroll-behavior: smooth; }
body {
    font-family: var(--font);
    color: var(--ink);
    background: var(--white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    border-bottom: 1px solid var(--line);
    padding: 16px 0;
}
.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.header-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--ink);
}
.header-logo img {
    width: 32px;
    height: 32px;
    border-radius: 7px;
}
.header-logo span {
    font-size: 17px;
    font-weight: 500;
    letter-spacing: -0.3px;
}
.header-nav a {
    font-size: 14px;
    color: var(--muted);
    text-decoration: none;
    margin-left: 24px;
    transition: color 0.2s;
}
.header-nav a:hover { color: var(--ink); }

/* Hero */
.hero {
    padding: 80px 0 40px;
    border-bottom: 1px solid var(--line);
}
.hero-content {
    display: flex;
    align-items: center;
    gap: 48px;
}
.hero-text { flex: 1; }
.hero-text h1 {
    font-size: 38px;
    font-weight: 500;
    letter-spacing: -1px;
    margin-bottom: 12px;
    line-height: 1.1;
}
.hero-text p {
    font-size: 16px;
    color: var(--muted);
    margin-bottom: 28px;
    line-height: 1.6;
}
.hero-badge {
    display: inline-block;
    background: var(--ink);
    color: var(--white);
    padding: 13px 28px;
    border-radius: 10px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: background 0.2s;
}
.hero-badge:hover { background: #333; }
.hero-logo-wrap {
    flex-shrink: 0;
}
.hero-logo-wrap img {
    width: 160px;
    height: auto;
    border-radius: 28px;
}

/* Stats */
.stats {
    padding: 32px 0;
    border-bottom: 1px solid var(--line);
}
.stats-grid {
    display: flex;
    gap: 0;
    text-align: center;
}
.stat-item {
    flex: 1;
    padding: 0 16px;
    border-right: 1px solid var(--line);
}
.stat-item:last-child { border-right: none; }
.stat-number {
    font-size: 28px;
    font-weight: 500;
    letter-spacing: -0.5px;
    color: var(--ink);
}
.stat-label {
    font-size: 12px;
    color: var(--muted);
    margin-top: 2px;
}

/* Features */
.features {
    padding: 48px 0;
}
.features h2 {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 16px;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}
.features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.feature-card {
    background: var(--surface);
    border-radius: 10px;
    padding: 20px;
}
.feature-card h3 {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 4px;
}
.feature-card p {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.5;
}

/* Tools */
.tools {
    padding: 40px 0 60px;
}
.tools h2 {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 16px;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}
.tool-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
}
.tool-item:first-of-type { border-top: 1px solid var(--line); }
.tool-name {
    font-size: 15px;
    color: var(--ink);
}
.tool-desc {
    font-size: 12px;
    color: var(--muted);
    margin-top: 2px;
}
.tool-badge {
    font-size: 11px;
    padding: 3px 10px;
    border-radius: 4px;
    white-space: nowrap;
    background: rgba(46, 125, 50, 0.08);
    color: var(--gain);
}

/* Footer */
.footer {
    border-top: 1px solid var(--line);
    padding: 32px 0;
}
.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.footer p {
    font-size: 13px;
    color: var(--muted);
}
.footer a {
    color: var(--muted);
    text-decoration: none;
    font-size: 13px;
}
.footer a:hover { color: var(--ink); }
.footer-links a { margin-left: 20px; }

/* Legal / Privacy */
.legal {
    padding: 60px 0;
}
.legal h1 {
    font-size: 24px;
    font-weight: 500;
    margin-bottom: 8px;
}
.legal .date {
    font-size: 14px;
    color: var(--muted);
    margin-bottom: 32px;
}
.legal h2 {
    font-size: 17px;
    font-weight: 500;
    margin-top: 32px;
    margin-bottom: 8px;
}
.legal p {
    color: var(--ink-soft);
    margin-bottom: 16px;
    font-size: 15px;
}
.legal a { color: var(--ink); }
.contact-card {
    background: var(--surface);
    border-radius: 10px;
    padding: 20px;
    margin-top: 24px;
}
.contact-card p {
    margin-bottom: 4px;
    font-size: 14px;
}

/* Responsive */
@media (max-width: 640px) {
    .hero { padding: 48px 0 32px; }
    .hero-content { flex-direction: column-reverse; gap: 24px; text-align: center; }
    .hero-text h1 { font-size: 30px; }
    .hero-logo-wrap img { width: 100px; border-radius: 20px; }
    .features-grid { grid-template-columns: 1fr; }
    .stats-grid { flex-direction: column; gap: 20px; }
    .stat-item { border-right: none; border-bottom: 1px solid var(--line); padding: 12px 0; }
    .stat-item:last-child { border-bottom: none; }
    .header-nav { display: none; }
    .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
    .footer-links a { margin: 0 10px; }
}