/*!
 * \file app.css
 * \brief »çÀÌÆ® °øÅë CSS º¯¼ö(»ö/±×¶óµ¥ÀÌ¼Ç/½¦µµ¿ì/¶ó¿îµå µî).
 */
:root {
    --ink: #0f172a;
    --ink-2: #475569;
    --card: #fff;
    --shadow: 0 8px 28px rgba(15,23,42,.06);
    --grad-a: #7c3aed;
    --grad-b: #db2777;
    --r: 18px;
}

body {
    font-family: 'Pretendard', 'Segoe UI', sans-serif;
    color: #111827;
    background-color: #ffffff;
}

.text-gradient {
    background: linear-gradient(90deg, #6D28D9, #1E3A8A);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-section {
    background: linear-gradient(180deg, #f9fafb 0%, #ffffff 100%);
    padding-top: 5rem;
    padding-bottom: 5rem;
}

.hero-image {
    width: 260px;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
    background: radial-gradient(circle at top, #6D28D9, #1E3A8A);
}

.btn-primary {
    background: #3B82F6;
    border: none;
}

.btn-outline-primary {
    border-color: #3B82F6;
    color: #3B82F6;
}

    .btn-outline-primary:hover {
        background: #3B82F6;
        color: #fff;
    }

.about-section {
    background-color: #f8fafc;
    border-top: 1px solid #e5e7eb;
}

footer {
    background: #f9fafb;
    color: #6b7280;
    font-size: 0.875rem;
}

/* ?? ¹ÝÀÀÇü: ¸ð¹ÙÀÏ¿ë Á¶Á¤ */
@media (max-width: 576px) {
    .hero-section {
        padding-top: 3rem;
        padding-bottom: 3rem;
    }

        .hero-section h1 {
            font-size: 1.6rem;
            line-height: 1.25;
        }

        .hero-section h5 {
            font-size: 0.9rem;
            letter-spacing: 0.05rem;
        }

        .hero-section p {
            font-size: 0.9rem;
            line-height: 1.4;
        }

    .hero-image {
        width: 180px;
        margin-top: 2rem;
    }

    .btn {
        font-size: 0.9rem;
        padding: 0.45rem 1.1rem;
    }

    .about-section h2 {
        font-size: 1.3rem;
    }

    .about-section p {
        font-size: 0.9rem;
        line-height: 1.5;
    }
}