:root {
    --bg: #faf8f4;
    --bg-glow: radial-gradient(1100px 480px at 8% -10%, rgba(255, 111, 61, 0.07), transparent 60%),
                radial-gradient(900px 480px at 100% 0%, rgba(255, 176, 32, 0.06), transparent 55%);
    --panel: #ffffff;
    --panel-soft: #fffdfb;
    --surface: #ffffff;
    --border: #eae6dc;
    --border-strong: #ddd7c9;
    --text: #1c1d20;
    --text-dim: #55575c;
    --muted: #8a8b8f;
    --accent: #ff5a36;
    --accent-2: #ffb020;
    --accent-soft: rgba(255, 90, 54, 0.10);
    --radius-md: 12px;
    --radius-lg: 18px;
    --shadow-sm: 0 1px 2px rgba(30, 25, 15, 0.05);
    --shadow-md: 0 16px 36px rgba(30, 25, 15, 0.08);
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

:root[data-theme="dark"] {
    --bg: #16140f;
    --bg-glow: radial-gradient(1100px 480px at 8% -10%, rgba(255, 111, 61, 0.10), transparent 60%),
                radial-gradient(900px 480px at 100% 0%, rgba(255, 176, 32, 0.07), transparent 55%);
    --panel: #211e19;
    --panel-soft: #241f1a;
    --surface: #211e19;
    --border: #362f26;
    --border-strong: #493f31;
    --text: #f5f1e9;
    --text-dim: #c9c1b3;
    --muted: #928a7a;
    --accent: #ff7a52;
    --accent-2: #ffc247;
    --accent-soft: rgba(255, 122, 82, 0.16);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 16px 36px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }

html { color-scheme: light; }
:root[data-theme="dark"] { color-scheme: dark; }

body {
    margin: 0;
    background: var(--bg-glow), var(--bg);
    background-attachment: fixed;
    color: var(--text);
    font-family: var(--font-sans);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.topbar {
    border-bottom: 1px solid var(--border);
    background: var(--surface);
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.topbar-inner {
    max-width: 1000px;
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand-title-solo { font-weight: 650; font-size: 15px; letter-spacing: -0.01em; }

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-dim);
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.theme-toggle:hover { color: var(--accent); border-color: var(--accent); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

.wrap { max-width: 1000px; margin: 0 auto; padding: 64px 24px 80px; }

.hero { max-width: 620px; margin: 0 auto 44px; text-align: center; }

.eyebrow {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 10px;
}

.hero h1 { font-size: 34px; margin: 0 0 12px; letter-spacing: -0.02em; }
.hero p { color: var(--text-dim); font-size: 15.5px; margin: 0; line-height: 1.6; }
.muted { color: var(--muted); }

.tool-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 720px) {
    .tool-grid { grid-template-columns: 1fr; }
}

.tool-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-decoration: none;
    color: var(--text);
    background: linear-gradient(180deg, var(--panel-soft), var(--panel));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 26px;
    box-shadow: var(--shadow-sm);
    transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s, background-color 0.2s ease;
}

.ai-badge {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: white;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    border-radius: 999px;
    padding: 2px 7px 2px 6px;
    text-transform: uppercase;
    white-space: nowrap;
}

.ai-badge svg { width: 9px; height: 9px; }

.tool-card-ai-badge { position: absolute; top: 18px; right: 18px; }

.tool-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.tool-card-icon { margin-bottom: 16px; }
.tool-card-icon svg { width: 44px; height: 44px; display: block; }

.tool-card-title { font-size: 18px; font-weight: 650; letter-spacing: -0.01em; margin-bottom: 8px; }

.tool-card-desc { font-size: 13.5px; color: var(--text-dim); line-height: 1.55; margin-bottom: 20px; }

.tool-card-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--accent);
    margin-top: auto;
}

.tool-card-cta svg { width: 14px; height: 14px; transition: transform 0.15s; }
.tool-card:hover .tool-card-cta svg { transform: translateX(3px); }