:root {
    --cb-primary: #2563eb;
    --cb-primary-dark: #1d4ed8;
    --cb-dark: #0f172a;
    --cb-dark-2: #111827;
    --cb-muted: #64748b;
    --cb-text: #0f172a;
    --cb-bg: #f8fafc;
    --cb-surface: #ffffff;
    --cb-border: #e2e8f0;
    --cb-success: #16a34a;
    --cb-shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
    --cb-shadow-soft: 0 12px 30px rgba(15, 23, 42, 0.06);
    --cb-radius: 24px;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--cb-bg);
    color: var(--cb-text);
}

/* HERO */

.hero {
    position: relative;
    overflow: hidden;
    padding-top: 56px;
    background: radial-gradient(circle at top left, rgba(37,99,235,.18), transparent 30%), radial-gradient(circle at bottom right, rgba(59,130,246,.10), transparent 26%), linear-gradient(180deg, #0b1220 0%, #111827 100%);
    color: #fff;
}

    .hero::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(to bottom, rgba(255,255,255,.03), rgba(255,255,255,0));
        pointer-events: none;
    }

.hero-top-title {
    position: absolute;
    top: 18px;
    left: 0;
    right: 0;
    z-index: 2;
    text-align: center;
    font-size: .85rem;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: rgba(255,255,255,.62);
}

.hero-content {
    position: relative;
    z-index: 1;
    padding-top: 1.25rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    padding: .55rem .9rem;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,.12);
    background: rgba(255,255,255,.06);
    color: rgba(255,255,255,.92);
    font-size: .94rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
}

.hero h1 {
    letter-spacing: -.03em;
    max-width: 11ch;
}

.hero .lead {
    max-width: 580px;
    line-height: 1.65;
}

/* SECTIONS */

.section-padding {
    padding: 4.5rem 0;
}

.section-title {
    font-weight: 800;
    letter-spacing: -.03em;
    color: var(--cb-dark);
}

/* METRIC CARDS */

.metric-card {
    height: 100%;
    border-radius: 18px;
    border: 1px solid rgba(255,255,255,.10);
    background: rgba(255,255,255,.06);
    backdrop-filter: blur(12px);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
}

/* HERO SIDE */

.hero-side-card {
    position: relative;
    z-index: 1;
    border-radius: 28px;
    padding: 2rem;
    background: linear-gradient(180deg, rgba(255,255,255,.09) 0%, rgba(255,255,255,.05) 100%);
    border: 1px solid rgba(255,255,255,.14);
    box-shadow: 0 30px 80px rgba(0,0,0,.28);
    backdrop-filter: blur(14px);
}

.hero-side-badge {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .45rem .8rem;
    border-radius: 999px;
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.10);
    color: rgba(255,255,255,.92);
    font-size: .9rem;
    font-weight: 500;
}

/* PLANS */

.plan-cards {
    display: grid;
    gap: 1rem;
}

.plan-card {
    position: relative;
    padding: 1.25rem 1.25rem 1.15rem;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,.10);
    background: rgba(255,255,255,.05);
    transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

    .plan-card:hover {
        transform: translateY(-2px);
        border-color: rgba(255,255,255,.18);
    }

    .plan-card.featured {
        background: linear-gradient(180deg, rgba(37,99,235,.18) 0%, rgba(37,99,235,.10) 100%);
        border-color: rgba(96,165,250,.4);
        box-shadow: inset 0 1px 0 rgba(255,255,255,.05);
    }

.plan-highlight {
    display: inline-flex;
    align-items: center;
    padding: .28rem .55rem;
    margin-bottom: .55rem;
    border-radius: 999px;
    background: rgba(255,255,255,.12);
    color: #fff;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.plan-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: .15rem;
}

.plan-price {
    font-size: 2rem;
    line-height: 1;
    font-weight: 800;
    letter-spacing: -.03em;
    color: #fff;
    margin-bottom: .2rem;
}

.plan-period {
    font-size: .9rem;
    color: rgba(255,255,255,.68);
    margin-bottom: .75rem;
}

.plan-features {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: .55rem;
    font-size: .93rem;
    color: rgba(255,255,255,.88);
}

    .plan-features li {
        display: flex;
        align-items: flex-start;
        gap: .45rem;
        line-height: 1.45;
    }

    .plan-features i {
        color: #22c55e;
        margin-top: .12rem;
        flex: 0 0 auto;
    }

/* FEATURE CARDS */

.feature-card {
    height: 100%;
    border-radius: 22px;
    border: 1px solid var(--cb-border);
    background: var(--cb-surface);
    box-shadow: var(--cb-shadow-soft);
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

    .feature-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 18px 40px rgba(15, 23, 42, 0.09);
        border-color: #d8e2f0;
    }

.feature-icon {
    width: 54px;
    height: 54px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    font-size: 1.25rem;
    background: linear-gradient(180deg, rgba(37,99,235,.12) 0%, rgba(37,99,235,.08) 100%);
    color: var(--cb-primary);
}

/* CTA */

.cta-card {
    border-radius: 28px;
    border: 1px solid var(--cb-border);
    background: radial-gradient(circle at top right, rgba(37,99,235,.06), transparent 30%), linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
    box-shadow: var(--cb-shadow);
}

/* BUTTONS */

.btn-primary {
    background-color: var(--cb-primary);
    border-color: var(--cb-primary);
    box-shadow: 0 10px 24px rgba(37,99,235,.22);
}

    .btn-primary:hover,
    .btn-primary:focus {
        background-color: var(--cb-primary-dark);
        border-color: var(--cb-primary-dark);
    }

.btn-outline-light:hover {
    color: var(--cb-dark);
}

/* RESPONSIVE */

@media (max-width: 991px) {
    .hero {
        padding-top: 70px;
        text-align: center;
    }

        .hero h1,
        .hero .lead {
            max-width: none;
        }

    .hero-side-card {
        margin-top: 1rem;
    }

    .section-padding {
        padding: 3.5rem 0;
    }
}

@media (max-width: 767px) {
    .hero-top-title {
        top: 14px;
        font-size: .78rem;
    }

    .hero {
        padding-top: 64px;
    }

    .hero-side-card {
        padding: 1.25rem;
        border-radius: 22px;
    }

    .plan-price {
        font-size: 1.75rem;
    }

    .section-padding {
        padding: 3rem 0;
    }
}