:root {
    --background: #06090f;
    --card: #0f172a;
    --muted: #a3adc2;
    --accent: #7cf7c9;
    --accent-strong: #4de3ac;
    --border: #1b2437;
    --text: #e6ecf4;
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Space Grotesk', 'Open Sans', sans-serif;
}

body {
    background: radial-gradient(circle at 20% 20%, rgba(124, 247, 201, 0.08), transparent 25%),
                radial-gradient(circle at 80% 0%, rgba(77, 227, 172, 0.05), transparent 18%),
                var(--background);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
    padding: 0 24px 80px;
}

.top-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 28px 0;
    position: sticky;
    top: 0;
    backdrop-filter: blur(8px);
    background: rgba(6, 9, 15, 0.85);
    z-index: 10;
    border-bottom: 1px solid var(--border);
}

.logo {
    font-weight: 700;
    letter-spacing: 0.5px;
    font-size: 1.2rem;
}

.top-nav nav {
    display: flex;
    gap: 16px;
    align-items: center;
}

.top-nav a {
    color: var(--text);
    text-decoration: none;
    padding: 10px 14px;
    border-radius: 999px;
    transition: all 0.2s ease;
    font-weight: 500;
}

.top-nav a:hover {
    background: rgba(255, 255, 255, 0.05);
}

.top-nav .cta {
    background: linear-gradient(120deg, var(--accent), var(--accent-strong));
    color: #041015;
    font-weight: 700;
    box-shadow: var(--shadow);
}

main {
    max-width: 1200px;
    margin: 0 auto;
}

.hero {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    align-items: center;
    padding: 32px 0 64px;
}

.hero-content h1 {
    font-size: clamp(2.2rem, 4vw, 3.4rem);
    line-height: 1.15;
    margin-bottom: 16px;
}

.subtitle {
    color: var(--muted);
    max-width: 620px;
    margin: 8px 0 20px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: rgba(124, 247, 201, 0.08);
    color: var(--accent);
    border: 1px solid rgba(124, 247, 201, 0.3);
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin: 10px 0 26px;
}

.actions a {
    padding: 12px 18px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.actions .primary {
    background: linear-gradient(120deg, var(--accent), var(--accent-strong));
    color: #041015;
    box-shadow: var(--shadow);
}

.actions .secondary {
    border: 1px solid var(--border);
    color: var(--text);
    background: rgba(255, 255, 255, 0.03);
}

.actions a:hover {
    transform: translateY(-2px);
}

.highlight {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 18px;
    margin-top: 12px;
}

.highlight div {
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.02);
}

.stat {
    display: inline-block;
    color: var(--accent);
    font-weight: 700;
    margin-bottom: 6px;
}

.hero-card {
    background: linear-gradient(160deg, rgba(15, 23, 42, 0.9), rgba(12, 17, 31, 0.9));
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 20px;
    box-shadow: var(--shadow);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}

.card-header p {
    color: var(--muted);
}

.pill {
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(124, 247, 201, 0.1);
    color: var(--accent);
    font-weight: 700;
    font-size: 0.85rem;
}

.task-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.task {
    padding: 14px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.task .due {
    color: #f7c266;
    font-weight: 600;
}

.task .soon {
    color: #88b4ff;
    font-weight: 600;
}

.task .tag {
    color: var(--accent);
    font-weight: 700;
}

.task.completed {
    opacity: 0.6;
}

.task .check {
    color: var(--accent);
    font-weight: 700;
}

.card-footer {
    margin-top: 16px;
    color: var(--muted);
    font-size: 0.95rem;
    text-align: center;
}

.features {
    padding: 12px 0 64px;
}

.section-header h2 {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    margin: 6px 0;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
    margin-top: 28px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-2px);
    border-color: rgba(124, 247, 201, 0.4);
}

.feature-card .icon {
    font-size: 1.6rem;
    margin-bottom: 10px;
}

.cta-banner {
    margin: 10px 0 32px;
    padding: 28px;
    border-radius: 18px;
    border: 1px solid var(--border);
    background: linear-gradient(120deg, rgba(124, 247, 201, 0.1), rgba(10, 17, 30, 0.95));
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
}

.footer {
    text-align: center;
    color: var(--muted);
    padding: 20px 0;
    border-top: 1px solid var(--border);
}

@media (max-width: 640px) {
    body {
        padding: 0 18px 60px;
    }

    .top-nav {
        position: static;
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .hero-card {
        order: -1;
    }
}