* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Manrope", sans-serif;
    background: #020617;
    color: white;
}

.portfolio-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
    background:
        radial-gradient(circle at top left, rgba(37, 99, 235, 0.24), transparent 35%),
        radial-gradient(circle at bottom right, rgba(56, 189, 248, 0.16), transparent 35%),
        #020617;
}

.portfolio-card {
    width: min(760px, 100%);
    text-align: center;
    padding: 72px 36px;
    border-radius: 36px;
    background: #0f172a;
    border: 1px solid rgba(148, 163, 184, 0.14);
    box-shadow: 0 35px 110px rgba(0, 0, 0, 0.45);
}

.portfolio-label {
    color: #60a5fa;
    font-size: 14px;
    font-weight: 900;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    margin-bottom: 22px;
}

.portfolio-card h1 {
    font-size: clamp(2.4rem, 6vw, 5rem);
    line-height: 1.05;
    letter-spacing: -0.06em;
    font-weight: 900;
    margin-bottom: 28px;
}

.portfolio-text {
    max-width: 560px;
    margin: 0 auto;
    color: #cbd5e1;
    font-size: 18px;
    line-height: 1.9;
}

.portfolio-text.small {
    margin-top: 18px;
    color: #94a3b8;
}

.back-btn {
    display: inline-flex;
    margin-top: 42px;
    padding: 15px 30px;
    border-radius: 999px;
    background: linear-gradient(90deg, #2563eb, #38bdf8);
    color: white;
    font-weight: 900;
    text-decoration: none;
    transition: 0.3s ease;
}

.back-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 24px 70px rgba(37, 99, 235, 0.35);
}