:root {
    color-scheme: dark;
    --bg: #06080c;
    --panel: #0c1117;
    --panel-2: #0f141b;
    --text: #e8edf5;
    --muted: #9aa4b5;
    --accent: #ff3b30;
    --accent-strong: #ff554b;
    --stroke: rgba(255, 255, 255, 0.05);
    --shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
    --radius: 16px;
    --font: 'Space Grotesk', 'Inter', system-ui, -apple-system, sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    font-family: var(--font);
    margin: 0;
    padding: 0;
    background: radial-gradient(circle at 20% 20%, rgba(255, 59, 48, 0.08), transparent 30%),
                radial-gradient(circle at 80% 0%, rgba(255, 59, 48, 0.08), transparent 30%),
                var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
}

a {
    color: inherit;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 28px;
    background: rgba(6, 8, 12, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--stroke);
}

.logo {
    font-weight: 700;
    letter-spacing: 0.4px;
    font-size: 18px;
}

nav {
    display: flex;
    gap: 18px;
    align-items: center;
}

nav a {
    text-decoration: none;
    color: var(--muted);
    font-weight: 500;
    padding: 8px 10px;
    border-radius: 10px;
    transition: color 0.2s ease, background 0.2s ease;
}

nav a:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.04);
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-radius: 999px;
    background: rgba(255, 59, 48, 0.1);
    color: var(--text);
    border: 1px solid rgba(255, 59, 48, 0.25);
    text-decoration: none;
    font-weight: 600;
    box-shadow: var(--shadow);
}

.pill-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: rgba(255, 59, 48, 0.18);
    color: var(--accent);
}

.pill.soft {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--stroke);
    color: var(--muted);
    font-weight: 500;
    box-shadow: none;
}

main {
    padding: 32px 24px 80px;
    max-width: 1200px;
    margin: 0 auto;
}

.hero {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
    align-items: center;
    padding: 32px;
    background: linear-gradient(120deg, rgba(255, 59, 48, 0.08), rgba(6, 8, 12, 0.85)), var(--panel);
    border: 1px solid var(--stroke);
    border-radius: calc(var(--radius) * 1.3);
    box-shadow: var(--shadow);
}

.hero-text h1 {
    font-size: clamp(32px, 4vw, 44px);
    margin: 8px 0 14px;
    letter-spacing: -0.6px;
}

.lede {
    color: var(--muted);
    max-width: 540px;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--muted);
    font-size: 12px;
    display: inline-flex;
    gap: 8px;
    align-items: center;
}

.cta-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin: 18px 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    border-radius: 14px;
    text-decoration: none;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
    color: var(--text);
}

.btn.primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    box-shadow: 0 16px 40px rgba(255, 59, 48, 0.32);
}

.btn.ghost {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--stroke);
    color: var(--muted);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.btn[aria-disabled="true"],
.footer-btn[aria-disabled="true"],
.coming-soon {
    pointer-events: none;
    opacity: 0.7;
}

.hero-card {
    background: var(--panel-2);
    border: 1px solid var(--stroke);
    border-radius: calc(var(--radius) * 1.1);
    padding: 18px;
    box-shadow: var(--shadow);
}

.card-header,
.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--muted);
    font-size: 14px;
}

.task-list {
    list-style: none;
    padding: 0;
    margin: 16px 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.task-list li {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 12px;
    align-items: center;
    padding: 12px 12px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--stroke);
}

.task-list strong {
    font-size: 15px;
}

.task-list small {
    display: block;
    color: var(--muted);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 999px;
    display: inline-block;
}

.dot.due { background: var(--accent); }
.dot.focus { background: #5ac8fa; }
.dot.upcoming { background: #ffd166; }

.time {
    color: var(--muted);
    font-weight: 600;
}

.feature-grid {
    margin-top: 40px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
}

.feature {
    background: var(--panel);
    border: 1px solid var(--stroke);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: var(--shadow);
}

.feature .icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: rgba(255, 59, 48, 0.12);
    color: var(--accent);
    margin-bottom: 10px;
}

.feature h3 {
    margin: 0 0 6px;
}

.feature p {
    margin: 0;
    color: var(--muted);
}

.focus {
    margin-top: 48px;
    padding: 28px;
    background: var(--panel-2);
    border: 1px solid var(--stroke);
    border-radius: calc(var(--radius) * 1.1);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 22px;
    align-items: center;
    box-shadow: var(--shadow);
}

.badge-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 12px;
}

.badge {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--stroke);
    color: var(--muted);
    padding: 8px 12px;
    border-radius: 12px;
    font-size: 13px;
    display: inline-flex;
    gap: 8px;
    align-items: center;
}

.focus-card {
    background: var(--panel);
    border: 1px solid var(--stroke);
    border-radius: calc(var(--radius) * 1.1);
    padding: 22px;
    text-align: center;
    box-shadow: var(--shadow);
}

.timer {
    font-size: 42px;
    font-weight: 700;
    letter-spacing: 1px;
}

.timer-label {
    margin: 8px 0 16px;
    color: var(--muted);
}

.timer-controls {
    display: flex;
    justify-content: center;
    gap: 12px;
}

.timer-controls button {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    border: 1px solid var(--stroke);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    cursor: pointer;
    transition: background 0.2s ease;
}

.timer-controls button:hover {
    background: rgba(255, 59, 48, 0.12);
    color: var(--accent);
}

.cta {
    margin-top: 52px;
    padding: 28px;
    background: linear-gradient(135deg, rgba(255, 59, 48, 0.16), rgba(6, 8, 12, 0.95));
    border: 1px solid var(--stroke);
    border-radius: calc(var(--radius) * 1.2);
    box-shadow: var(--shadow);
}

.cta h2 {
    margin: 0 0 10px;
    font-size: clamp(26px, 3vw, 32px);
}

.cta p {
    color: var(--muted);
    margin: 0 0 18px;
    max-width: 700px;
}

footer {
    margin: 40px auto 0;
    padding: 18px 24px 28px;
    max-width: 1200px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    color: var(--muted);
}

.footer-links,
.footer-actions {
    display: flex;
    gap: 14px;
    align-items: center;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text);
    text-decoration: none;
}

.footer-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--stroke);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    text-decoration: none;
}

.footer-btn.muted {
    color: var(--muted);
}

@media (max-width: 640px) {
    .topbar {
        flex-wrap: wrap;
        justify-content: space-between;
        gap: 10px;
    }

    nav {
        width: 100%;
        justify-content: flex-start;
    }

    main {
        padding: 22px 18px 64px;
    }
}