*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
}

body {
    font-family: Inter, Segoe UI, system-ui, sans-serif;
    color: #0f172a;
    background: #f4f6fa;
    overflow-x: hidden;
}

.portfolio-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    background:
        radial-gradient(900px 520px at 12% 0%, rgba(45, 212, 191, 0.18), transparent 58%),
        radial-gradient(820px 500px at 92% 8%, rgba(167, 139, 250, 0.16), transparent 55%),
        radial-gradient(700px 480px at 50% 100%, rgba(186, 230, 253, 0.35), transparent 60%),
        linear-gradient(180deg, #f8fafc 0%, #eef2f7 48%, #e8edf4 100%);
}

.portfolio-bg::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 30% 40%, rgba(255, 255, 255, 0.7), transparent 42%),
        radial-gradient(circle at 70% 60%, rgba(255, 255, 255, 0.45), transparent 46%);
    pointer-events: none;
}

.portfolio-bg::after {
    content: none;
}

.portfolio {
    position: relative;
    z-index: 1;
    max-width: 1180px;
    margin: 0 auto;
    padding: 62px 24px 80px;
    text-align: center;
}

.portfolio-kicker {
    margin: 0 0 18px;
    color: #0f766e;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.portfolio-logo {
    display: block;
    width: min(240px, 72vw);
    height: auto;
    margin: 0 auto 52px;
}

.portfolio-grid {
    position: relative;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.portfolio-grid::before {
    content: none;
}

.demo-card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 320px;
    padding: 22px;
    border-radius: 28px;
    overflow: hidden;
    text-align: left;
    text-decoration: none;
    color: #fff;
    isolation: isolate;
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.demo-card::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.demo-card::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(180deg, rgba(8, 12, 22, 0.22) 0%, rgba(8, 12, 22, 0.78) 100%);
}

.demo-card--production::before {
    background-image: url("../images/card-production.png");
}

.demo-card--beverage::before {
    background-image: url("../images/card-beverage.png");
}

.demo-card--fmcg::before {
    background-image: url("../images/card-fmcg.png");
}

.demo-card--live:hover {
    transform: translateY(-6px);
    box-shadow: 0 24px 48px rgba(15, 23, 42, 0.18);
}

.demo-card--soon {
    cursor: default;
}

.demo-card__meta {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.demo-card__index {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: rgba(255, 255, 255, 0.86);
}

.demo-card__status {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
}

.demo-card__status--live::before {
    content: "";
    display: inline-block;
    width: 7px;
    height: 7px;
    margin-right: 7px;
    border-radius: 50%;
    background: #34d399;
    box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.18);
    vertical-align: middle;
}

.demo-card__status--live {
    color: #5eead4;
}

.demo-card__status--soon {
    color: #fbbf24;
}

.demo-card__body {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-top: auto;
}

.demo-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 8px;
    color: #fff;
}

.demo-card h2 {
    margin: 0 0 6px;
    font-size: 22px;
    font-weight: 700;
}

.demo-card p {
    margin: 0;
    max-width: 240px;
    color: rgba(226, 232, 240, 0.82);
    font-size: 14px;
    line-height: 1.45;
}

.demo-card__cta {
    display: inline-block;
    margin-top: 28px;
    color: rgba(255, 255, 255, 0.92);
    font-size: 14px;
}

.demo-card__cta--muted {
    color: rgba(226, 232, 240, 0.55);
}

@media (max-width: 980px) {
    .portfolio {
        padding: 36px 16px 48px;
    }

    .portfolio-logo {
        margin-bottom: 32px;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        max-width: 520px;
        margin: 0 auto;
        gap: 16px;
    }

    .demo-card {
        min-height: 240px;
        padding: 18px;
        border-radius: 22px;
    }

    .demo-card h2 {
        font-size: 20px;
    }

    .demo-card p {
        max-width: none;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .portfolio-kicker {
        font-size: 11px;
    }

    .demo-card {
        min-height: 220px;
    }

    .demo-card__index {
        font-size: 22px;
    }

    .demo-card__status {
        font-size: 10px;
    }

    .demo-card__cta {
        margin-top: 20px;
    }
}