:root {
    --primary-blue: #007bff;
    --primary-hover: #0056b3;
    --background-light: #f5f7fb;
    --card-shadow: 0 6px 25px rgba(0, 0, 0, 0.08);
    --text-dark: #2c3e50;
    --text-medium: #6b7b8c;
    --border-color: #e6eaf0;
    --accent-green: #2ecc71;
    --accent-green-hover: #27ae60;
    /* Footer */
    --footer-background: #14284b;
    --footer-text-color: #ecf0f1;
    --footer-link-color: #aab6c7;
    --footer-border-color: rgba(255, 255, 255, 0.1);
}

/* --- 1. NAVBAR --- */
.navbar-custom {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    padding: 12px 0;
}

.brand-text {
    color: var(--primary-blue);
    font-weight: 800;
    font-size: 1.4rem;
    text-transform: uppercase;
    margin-left: 10px;
}

.nav-link {
    font-weight: 600;
    color: var(--text-main) !important;
    margin: 0 10px;
    transition: 0.3s;
}

    .nav-link:hover {
        color: var(--primary-blue) !important;
    }

.btn-login {
    background: var(--primary-blue);
    color: #fff;
    border-radius: 6px;
    padding: 8px 24px;
    font-weight: 600;
    border: none;
    transition: 0.3s;
}

    .btn-login:hover {
        background: var(--primary-dark);
        color: #fff;
        transform: translateY(-2px);
    }


/* ===================================== */
/* Page Layout */
/* ===================================== */
.dti-contact-page {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background-light);
    padding-bottom: 50px;
}

/* ===================================== */
/* 2. Banner */
/* ===================================== */
.contact-banner-header {
    background: url('/Designs/Images/contact.png') center/cover no-repeat;
    height: 280px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    text-align: center;
    color: #fff;
}

    .contact-banner-header::before {
        content: "";
        position: absolute;
        inset: 0;
        background: rgba(0,0,0,0.55);
    }

.header-content {
    position: relative;
    z-index: 10;
    padding: 0 15px;
}

.main-title {
    font-size: 3em;
    font-weight: 800;
    margin: 0;
    text-shadow: 0 3px 8px rgba(0,0,0,0.3);
}

.subtitle {
    font-size: 1.15em;
    opacity: 0.9;
}


/* ===================================== */
/* 3. Content Grid */
/* ===================================== */
.support-content-grid {
    max-width: 1250px;
    margin: 45px auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 30px;
}

/* Card */
.contact-card {
    background: #fff;
    border-radius: 12px;
    padding: 32px;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    transition: transform .25s ease, box-shadow .25s ease;
}

    .contact-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 10px 30px rgba(0,0,0,0.12);
    }

.card-title {
    font-size: 1.55em;
    font-weight: 700;
    padding-bottom: 12px;
    margin-bottom: 25px;
    border-bottom: 2px solid var(--primary-blue);
    color: var(--text-dark);
}

    .card-title i {
        margin-right: 10px;
        color: var(--primary-blue);
    }

/* ===================================== */
/* 4. Form Styling */
/* ===================================== */
.contact-form label {
    font-weight: 600;
    margin-bottom: 6px;
    display: block;
    color: var(--text-dark);
}

.form-row {
    display: flex;
    gap: 14px;
    margin-bottom: 14px;
}

.form-group {
    flex: 1;
}

.form-control {
    width: 90%;
    padding: 12px 15px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: #fff;
    transition: border .25s, box-shadow .25s;
    color: var(--text-dark);
}

    .form-control:focus {
        border-color: var(--primary-blue);
        outline: none;
        box-shadow: 0 0 0 3px rgba(0,123,255,0.25);
    }

textarea.form-control {
    min-height: 130px;
}

/* ===================================== */
/* 5. Info Card */
/* ===================================== */
.contact-section {
    margin-bottom: 22px;
}

.section-heading {
    font-size: 1.05em;
    font-weight: 700;
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    margin-bottom: 4px;
}

    .section-heading i {
        margin-right: 8px;
    }

.info-detail,
.info-link {
    margin-left: 26px;
    font-size: .96em;
    color: var(--text-medium);
    line-height: 1.5;
}

.info-link {
    color: var(--text-dark);
    font-weight: 500;
    text-decoration: none;
}

    .info-link:hover {
        color: var(--primary-blue);
        text-decoration: underline;
    }

.highlight-phone {
    font-size: 1.1em;
    font-weight: 800;
    color: #e74c3c;
}

/* Divider */
.section-divider {
    border: 0;
    height: 1px;
    background: var(--border-color);
    margin: 25px 0;
}

/* Map */
.map-container iframe {
    width: 100%;
    min-height: 250px;
    border: 0;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

/* ===================================== */
/* 6. Submit Button */
/* ===================================== */
.cta-button {
    margin-top: 20px;
    width: 100%;
    padding: 12px 25px;
    font-size: 1em;
    font-weight: 700;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    color: #fff;
    background: var(--accent-green);
    box-shadow: 0 4px 12px rgba(46,204,113,0.35);
    transition: all .25s ease;
}

    .cta-button:hover {
        background: var(--accent-green-hover);
        transform: translateY(-2px);
        box-shadow: 0 6px 18px rgba(46,204,113,0.55);
    }

.submit-btn i {
    margin-right: 8px;
}

/* ===================================== */
/* 7. Responsive */
/* ===================================== */
@media (max-width: 992px) {
    .support-content-grid {
        grid-template-columns: 1fr;
    }

    .main-title {
        font-size: 2.3em;
    }

    .logo-placeholder {
        width: 110px;
        height: 45px;
    }
}