/* ==========================================================================
   MODERN PREMIUM ADVENTURE CONTACT STYLE
   Project: Phượt 4P Contact Hub Redesign
   ========================================================================== */

/* --- CSS Variables & Core Design System --- */
:root {
    --contact-orange: #FF4D00;
    --contact-orange-hover: #E34400;
    --contact-orange-glow: rgba(255, 77, 0, 0.15);
    --contact-red: #E60000;
    --contact-dark: #0f172a;
    --contact-slate: #1e293b;
    --contact-text: #475569;
    --contact-bg: #f8fafc;
    --contact-card-bg: #ffffff;
    --contact-border: #e2e8f0;
    --contact-radius: 20px;
    --contact-radius-sm: 12px;
    --contact-font: 'Plus Jakarta Sans', sans-serif;
    --contact-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.08);
    --contact-shadow-lg: 0 20px 40px -15px rgba(15, 23, 42, 0.12);
}

/* --- Layout Base --- */
.contact-page {
    background: var(--contact-bg);
    font-family: var(--contact-font);
    color: var(--contact-text);
    padding: 60px 0 0px; /* Map container is full-width at the bottom, so no padding-bottom */
    line-height: 1.6;
    overflow: hidden;
    position: relative;
}

/* Ambient glow blobs in background */
.contact-page::before {
    content: '';
    position: absolute;
    top: 20%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 77, 0, 0.04) 0%, transparent 70%);
    pointer-events: none;
    z-index: 1;
}

.contact-page::after {
    content: '';
    position: absolute;
    bottom: 20%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(230, 0, 0, 0.03) 0%, transparent 70%);
    pointer-events: none;
    z-index: 1;
}

.contact-page .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 2;
}

/* --- Hero Banner Section --- */
.contact-hero {
    position: relative;
    background: linear-gradient(135deg, var(--contact-dark) 0%, var(--contact-slate) 100%);
    color: #ffffff;
    padding: 80px 40px;
    text-align: center;
    border-radius: var(--contact-radius);
    overflow: hidden;
    margin-bottom: 50px;
    box-shadow: var(--contact-shadow-lg);
}

.contact-hero::before {
    content: '';
    position: absolute;
    top: -50%; left: -30%; width: 450px; height: 450px;
    background: radial-gradient(circle, rgba(255, 77, 0, 0.2) 0%, transparent 70%);
    animation: hero-float 10s ease-in-out infinite;
    pointer-events: none;
}

.contact-hero::after {
    content: '';
    position: absolute;
    bottom: -40%; right: -20%; width: 350px; height: 350px;
    background: radial-gradient(circle, rgba(230, 0, 0, 0.15) 0%, transparent 70%);
    animation: hero-float 12s ease-in-out infinite reverse;
    pointer-events: none;
}

@keyframes hero-float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-30px) scale(1.05); }
}

.contact-hero h1 {
    font-size: 3.2rem;
    font-weight: 800;
    margin: 0 0 16px;
    color: #ffffff;
    letter-spacing: -1px;
    line-height: 1.15;
    text-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.contact-hero p {
    font-size: 1.15rem;
    color: #94a3b8;
    max-width: 600px;
    margin: 0 auto;
    font-weight: 500;
}

/* --- Main Layout Grid --- */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
    margin-bottom: 60px;
}

/* --- Contact Details Column --- */
.contact-info h2 {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--contact-dark);
    margin: 0 0 16px;
    letter-spacing: -0.5px;
    position: relative;
    padding-bottom: 16px;
}

.contact-info h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--contact-orange) 0%, var(--contact-red) 100%);
    border-radius: 10px;
}

.contact-info > p {
    font-size: 1.05rem;
    color: var(--contact-text);
    margin-bottom: 36px;
}

/* Contact detail items cards */
.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    background: var(--contact-card-bg);
    border: 1px solid var(--contact-border);
    border-left: 5px solid var(--contact-orange);
    padding: 24px;
    border-radius: var(--contact-radius);
    box-shadow: var(--contact-shadow);
    margin-bottom: 24px;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--contact-shadow-lg);
    border-color: rgba(255, 77, 0, 0.15);
}

.contact-item i {
    font-size: 1.8rem;
    color: var(--contact-orange);
    background: rgba(255, 77, 0, 0.06);
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.contact-item:hover i {
    transform: scale(1.1) rotate(5deg);
    background: var(--contact-orange);
    color: #ffffff;
    box-shadow: 0 4px 12px var(--contact-orange-glow);
}

.contact-item h4 {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--contact-dark);
    margin: 0 0 8px;
}

.contact-item p {
    margin: 0 0 6px;
    font-size: 0.95rem;
    color: var(--contact-text);
    font-weight: 500;
}

.contact-item p:last-child {
    margin-bottom: 0;
}

.contact-item p strong {
    color: var(--contact-dark);
}

/* --- Quick Contact Social Buttons Box --- */
.quick-contact-section {
    margin-top: 40px;
    padding: 32px;
    background: var(--contact-card-bg);
    border: 1px solid var(--contact-border);
    border-radius: var(--contact-radius);
    box-shadow: var(--contact-shadow);
}

.quick-contact-section h3 {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--contact-dark);
    margin: 0 0 24px;
    text-align: center;
    letter-spacing: -0.2px;
}

.quick-contact-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.quick-contact-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 20px;
    border-radius: var(--contact-radius-sm);
    font-weight: 700;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.quick-contact-btn i {
    font-size: 1.4rem;
}

.quick-contact-btn.zalo {
    background: linear-gradient(135deg, #0068FF 0%, #0052CC 100%);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(0, 104, 255, 0.2);
}

.quick-contact-btn.zalo:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 104, 255, 0.35);
}

.quick-contact-btn.facebook {
    background: linear-gradient(135deg, #1877F2 0%, #0C63D4 100%);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(24, 119, 242, 0.2);
}

.quick-contact-btn.facebook:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(24, 119, 242, 0.35);
}

.quick-contact-btn.phone {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.2);
}

.quick-contact-btn.phone:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.35);
}

.quick-contact-btn.email {
    background: linear-gradient(135deg, var(--contact-orange) 0%, var(--contact-red) 100%);
    color: #ffffff;
    box-shadow: 0 4px 14px var(--contact-orange-glow);
}

.quick-contact-btn.email:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(255, 77, 0, 0.35);
}

/* --- Contact Form Card Column --- */
.contact-form {
    background: var(--contact-card-bg);
    border: 1px solid var(--contact-border);
    border-top: 5px solid var(--contact-orange);
    padding: 40px;
    border-radius: var(--contact-radius);
    box-shadow: var(--contact-shadow-lg);
    position: sticky;
    top: 140px;
}

.contact-form h2 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--contact-dark);
    margin: 0 0 32px;
    text-align: center;
    letter-spacing: -0.5px;
    position: relative;
    padding-bottom: 14px;
}

.contact-form h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--contact-orange) 0%, var(--contact-red) 100%);
    border-radius: 10px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 700;
    color: var(--contact-dark);
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--contact-border);
    border-radius: var(--contact-radius-sm);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--contact-dark);
    background: #f8fafc;
    box-sizing: border-box;
    outline: none;
    transition: all 0.25s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #94a3b8;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--contact-orange);
    background: #ffffff;
    box-shadow: 0 0 0 4px var(--contact-orange-glow);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 14px;
    padding-right: 40px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.contact-submit-btn {
    width: 100%;
    padding: 16px 24px;
    background: linear-gradient(90deg, var(--contact-orange) 0%, var(--contact-red) 100%);
    color: #ffffff;
    border: none;
    border-radius: var(--contact-radius-sm);
    font-size: 1rem;
    font-weight: 800;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 14px var(--contact-orange-glow);
    transition: all 0.3s ease;
}

.contact-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 77, 0, 0.3);
    opacity: 0.95;
}

.contact-submit-btn:active {
    transform: translateY(0);
}

.contact-submit-btn i {
    font-size: 1.15rem;
}

/* Alert Boxes */
.alert {
    padding: 14px 20px;
    border-radius: var(--contact-radius-sm);
    margin-bottom: 24px;
    font-weight: 600;
    font-size: 0.92rem;
    border: 1px solid transparent;
}

.alert-success {
    background: #ecfdf5;
    color: #065f46;
    border-color: #a7f3d0;
}

.alert-error {
    background: #fef2f2;
    color: #991b1b;
    border-color: #fca5a5;
}

/* --- Google Map Section at Bottom --- */
.map-section {
    margin-top: 80px;
    text-align: center;
}

.map-section h2 {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--contact-dark);
    margin: 0 0 16px;
    letter-spacing: -0.5px;
    position: relative;
    padding-bottom: 16px;
    display: inline-block;
}

.map-section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--contact-orange) 0%, var(--contact-red) 100%);
    border-radius: 10px;
}

.map-section > p {
    font-size: 1.05rem;
    color: var(--contact-text);
    margin: 0 auto 32px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}

.map-section > p i {
    color: var(--contact-orange);
    font-size: 1.25rem;
}

.map-container {
    width: 100%;
    height: 480px;
    border-radius: var(--contact-radius);
    overflow: hidden;
    box-shadow: var(--contact-shadow-lg);
    border: 1px solid var(--contact-border);
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* --- Clean Grid-Based Footer Synchronization --- */
/* This cleanly matches the footer directly against the map container with no spacing gaps */
body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex-grow: 1;
}

section.contact-page {
    margin-bottom: 0 !important;
    padding-bottom: 0 !important;
}

section.contact-page + footer,
section.contact-page ~ footer,
body > footer {
    margin-top: 0 !important;
    border-top: 1px solid var(--contact-border) !important;
}

/* --- Responsive Adaptations --- */

@media (max-width: 1024px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-form {
        position: static;
    }
}

@media (max-width: 768px) {
    .contact-page {
        padding: 40px 0 0;
    }
    
    .contact-hero {
        padding: 60px 24px;
        margin-bottom: 40px;
    }
    
    .contact-hero h1 {
        font-size: 2.2rem;
    }
    
    .contact-hero p {
        font-size: 1rem;
    }
    
    .contact-info h2,
    .map-section h2 {
        font-size: 1.8rem;
    }
    
    .contact-form {
        padding: 30px 24px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .quick-contact-buttons {
        grid-template-columns: 1fr;
    }
    
    .map-container {
        height: 380px;
    }
}

@media (max-width: 480px) {
    .contact-hero h1 {
        font-size: 1.8rem;
    }
    
    .contact-info h2,
    .map-section h2 {
        font-size: 1.5rem;
    }
    
    .contact-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 20px;
    }
    
    .contact-item i {
        margin-bottom: 12px;
    }
    
    .map-container {
        height: 300px;
    }
}