html {
    font-size: 16px;
    scroll-behavior: smooth;
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
}

body {
    margin: 0;
    font-family: "Segoe UI", "Noto Sans KR", Arial, sans-serif;
    color: #1f2340;
    background: #f7f8fc;
    line-height: 1.65;
}

a {
    text-decoration: none;
}

.auvi-page {
    min-height: calc(100vh - 220px);
}

/* Navbar */
.auvi-navbar {
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid #e8eaf4;
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 1020;
}

.auvi-brand {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.auvi-brand-mark {
    font-size: 1.45rem;
    font-weight: 800;
    color: #2d2a78;
    letter-spacing: 0.04em;
}

.auvi-brand-sub {
    font-size: 0.82rem;
    color: #6a6f92;
    font-weight: 600;
}

.auvi-navbar .nav-link {
    color: #4a4f74;
    font-weight: 600;
    margin-left: 0.5rem;
}

    .auvi-navbar .nav-link:hover {
        color: #2d2a78;
    }

/* Buttons */
.btn-auvi-primary {
    background: linear-gradient(135deg, #4f46b5, #6b63d9);
    color: #fff;
    border: none;
    border-radius: 12px;
    padding: 0.75rem 1.4rem;
    font-weight: 700;
    box-shadow: 0 8px 20px rgba(79, 70, 181, 0.18);
}

    .btn-auvi-primary:hover {
        background: linear-gradient(135deg, #433ca5, #5d56d1);
        color: #fff;
    }

.btn-auvi-outline {
    background: #fff;
    color: #4f46b5;
    border: 1px solid #cfd3f2;
    border-radius: 12px;
    padding: 0.75rem 1.4rem;
    font-weight: 700;
}

    .btn-auvi-outline:hover {
        background: #f3f4ff;
        color: #3d36a2;
    }

/* Hero */
.hero-section {
    padding: 90px 0 80px;
    background: radial-gradient(circle at top right, rgba(107, 99, 217, 0.18), transparent 30%), linear-gradient(180deg, #f7f8fc 0%, #f3f4fb 100%);
}

.hero-badge {
    display: inline-block;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    background: #ecebfd;
    color: #4f46b5;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.25;
    color: #1d2144;
    margin-bottom: 1.2rem;
}

.hero-desc {
    font-size: 1.08rem;
    color: #5d6386;
    max-width: 650px;
    margin-bottom: 2rem;
}

.hero-actions {
    display: flex;
    gap: 0.9rem;
    flex-wrap: wrap;
}

.hero-panel {
    display: flex;
    justify-content: center;
}

.hero-panel-card {
    width: 100%;
    max-width: 520px;
    background: #ffffff;
    border: 1px solid #e5e7f5;
    border-radius: 24px;
    padding: 2rem;
    box-shadow: 0 18px 40px rgba(41, 47, 108, 0.08);
}

.hero-panel-title {
    font-size: 1.15rem;
    font-weight: 800;
    color: #2d2a78;
    margin-bottom: 1.4rem;
}

.hero-panel-item {
    border: 1px solid #eef0f8;
    background: #fafbff;
    border-radius: 16px;
    padding: 1rem 1.1rem;
    margin-bottom: 1rem;
}

    .hero-panel-item:last-child {
        margin-bottom: 0;
    }

.hero-panel-item-title {
    font-size: 1rem;
    font-weight: 700;
    color: #22274f;
    margin-bottom: 0.3rem;
}

.hero-panel-item-desc {
    color: #6a7093;
    font-size: 0.95rem;
}

/* Sections */
.section-block {
    padding: 80px 0;
}

.section-soft {
    background: #f2f4fb;
}

.section-head {
    margin-bottom: 3rem;
}

.section-kicker {
    color: #6b63d9;
    font-weight: 800;
    letter-spacing: 0.12em;
    font-size: 0.82rem;
    margin-bottom: 0.65rem;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 800;
    color: #20244a;
    margin-bottom: 0.8rem;
}

.section-desc {
    color: #676d8f;
    max-width: 760px;
    margin: 0 auto;
}

/* Cards */
.product-card,
.feature-card {
    height: 100%;
    background: #fff;
    border: 1px solid #e7eaf5;
    border-radius: 22px;
    padding: 1.8rem;
    box-shadow: 0 12px 30px rgba(34, 39, 79, 0.05);
}

.product-icon {
    width: 58px;
    height: 58px;
    border-radius: 16px;
    background: linear-gradient(135deg, #ecebfd, #dfe3ff);
    color: #4f46b5;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    margin-bottom: 1.2rem;
}

.product-title,
.feature-title {
    font-size: 1.2rem;
    font-weight: 800;
    color: #232852;
    margin-bottom: 0.9rem;
}

.product-text,
.feature-text {
    color: #666c90;
    margin-bottom: 0;
}

/* Contact */
.contact-box {
    background: linear-gradient(135deg, #2d2a78, #4f46b5);
    border-radius: 28px;
    padding: 2.5rem;
    color: #fff;
    box-shadow: 0 18px 40px rgba(41, 47, 108, 0.18);
}

    .contact-box .section-kicker {
        color: #cfd3ff;
    }

    .contact-box .section-title {
        color: #fff;
    }

.contact-text {
    color: rgba(255, 255, 255, 0.88);
}

/* Footer */
.auvi-footer {
    background: #14182f;
    color: #d4d8ee;
    padding: 60px 0 24px;
}

.footer-brand {
    font-size: 1.3rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 1rem;
}

.footer-title {
    font-size: 1rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1rem;
}

.footer-text {
    color: #c4c9e6;
    margin-bottom: 0;
}

.footer-links,
.footer-info {
    list-style: none;
    padding: 0;
    margin: 0;
}

    .footer-links li,
    .footer-info li {
        margin-bottom: 0.6rem;
        color: #c4c9e6;
    }

    .footer-links a {
        color: #c4c9e6;
    }

        .footer-links a:hover {
            color: #ffffff;
        }

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    margin-top: 2rem;
    padding-top: 1.2rem;
    color: #98a0c8;
    font-size: 0.95rem;
}

/* Admin Login */
.admin-login-wrap {
    padding: 70px 0;
}

.admin-login-shell {
    background: #fff;
    border-radius: 28px;
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(37, 43, 96, 0.12);
    border: 1px solid #e6e9f5;
}

.admin-login-visual {
    height: 100%;
    padding: 3rem;
    background: linear-gradient(135deg, #2c2a77, #5950cc);
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.admin-login-badge {
    display: inline-block;
    align-self: flex-start;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: #fff;
    border-radius: 999px;
    padding: 0.45rem 0.85rem;
    font-size: 0.88rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
}

.admin-login-title {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 1rem;
}

.admin-login-desc {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.86);
    margin-bottom: 2rem;
}

.admin-login-feature-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-bottom: 2rem;
}

.admin-login-feature-item {
    padding: 0.95rem 1rem;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.10);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.admin-login-mini {
    margin-top: auto;
    color: rgba(255, 255, 255, 0.84);
    font-size: 0.95rem;
}

.admin-login-form-panel {
    padding: 3rem;
    background: #ffffff;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.admin-login-form-kicker {
    color: #6b63d9;
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    margin-bottom: 0.6rem;
}

.admin-login-form-title {
    font-size: 2rem;
    font-weight: 800;
    color: #22274f;
    margin-bottom: 0.8rem;
}

.admin-login-form-text {
    color: #6a7093;
    margin-bottom: 1.8rem;
}

.admin-login-note {
    margin-top: 1rem;
    font-size: 0.95rem;
    color: #6d7397;
    background: #f7f8fd;
    border: 1px solid #e6e9f7;
    border-radius: 14px;
    padding: 0.9rem 1rem;
}

.admin-login-back {
    margin-top: 1rem;
    font-size: 0.95rem;
}

    .admin-login-back a {
        color: #4f46b5;
        font-weight: 600;
    }

/* Bootstrap override */
.form-control,
.form-select {
    border-radius: 12px;
    border: 1px solid #d9def0;
    padding-top: 0.8rem;
    padding-bottom: 0.8rem;
}

    .form-control:focus,
    .form-select:focus {
        border-color: #7b74df;
        box-shadow: 0 0 0 0.2rem rgba(107, 99, 217, 0.18);
    }

.form-check-input:checked {
    background-color: #4f46b5;
    border-color: #4f46b5;
}

/* Responsive */
@media (max-width: 991px) {
    .hero-title {
        font-size: 2.3rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .admin-login-visual,
    .admin-login-form-panel {
        padding: 2rem;
    }
}

@media (max-width: 576px) {
    .hero-section {
        padding: 70px 0 60px;
    }

    .hero-title {
        font-size: 1.95rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .btn-auvi-primary,
    .btn-auvi-outline {
        width: 100%;
        text-align: center;
    }

    .contact-box {
        padding: 1.8rem;
    }
}