/* --- 1. CÀI ĐẶT CHUNG & BIẾN (QUAN TRỌNG) --- */
:root {
    --primary-color: #ff00cc; /* Màu chủ đạo (Hồng Neon) */
    --bg-color: #000;         /* Màu nền chính */
    --text-color: #fff;       /* Màu chữ chính */
    --text-gray: #e0e0e0;     /* Màu chữ phụ */
    --dark-overlay: rgba(0, 0, 0, 0.6);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Roboto', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
}

/* Class dùng chung */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.highlight { color: var(--primary-color); }
.highlight-text { color: var(--primary-color); }

/* --- 2. NAVBAR --- */
.navbar {
    background-color: #050505;
    padding: 10px 0;
    border-bottom: 1px solid #333;
}

.navbar .container {
    width: 100%;
    max-width: 100%;
    padding: 0 40px;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.2rem;
    font-weight: 900;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.logo img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

/* Buttons */
.btn {
    text-decoration: none;
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: 0.3s;
    display: inline-block;
}

.btn-secondary {
    background-color: #1f1f1f;
    color: var(--primary-color);
    border: 1px solid #333;
    margin-left: 10px;
}

.btn-secondary:hover {
    background-color: #333;
    color: #fff;
}

.btn-gradient {
    background: linear-gradient(90deg, var(--primary-color) 0%, #3333ff 100%);
    color: white;
    padding: 12px 35px;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: bold;
    box-shadow: 0 0 15px rgba(255, 0, 204, 0.4);
}

.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(51, 51, 255, 0.6);
}

/* --- 3. HERO SECTION --- */
.hero-section {
    position: relative;
    width: 100%;
    height: 600px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
}

.overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(90deg, rgba(0,0,0,0.8) 0%, rgba(20,0,50,0.6) 50%, rgba(0,0,0,0.4) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    margin-left: 10%;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--primary-color);
    text-shadow: 0 0 20px rgba(255, 0, 204, 0.5);
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 30px;
    line-height: 1.6;
    max-width: 600px;
}

/* --- 4. FEATURES (TÍNH NĂNG) --- */
.features {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    color: var(--primary-color);
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.3;
}

.section-header p {
    color: #ccc;
    font-size: 1rem;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background-color: #fff;
    color: #000;
    padding: 50px 30px;
    border-radius: 20px;
    text-align: left;
    transition: transform 0.3s ease;
}

.card:hover { transform: translateY(-10px); }

.card h3 {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 15px;
}

.card p {
    font-size: 0.95rem;
    color: #333;
    line-height: 1.5;
    margin-bottom: 25px;
    height: 90px;
    overflow: hidden;
}

.card a {
    text-decoration: underline;
    color: #000;
    font-weight: bold;
    font-size: 0.9rem;
}

.card a:hover {
    color: var(--primary-color);
    text-decoration: none;
}

/* --- 5. STATS (THỐNG KÊ) --- */
.stats { padding: 80px 0; text-align: center; }

.stats-grid {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 40px;
}

.stat-item h2 {
    font-size: 4rem;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 10px;
    line-height: 1;
}

.stat-item p {
    color: var(--primary-color);
    font-size: 1.1rem;
    font-weight: 500;
}

/* --- 6. PRICING (BẢNG GIÁ) --- */
.pricing {
    position: relative;
    padding: 80px 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.overlay-dark {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-color: var(--dark-overlay);
    z-index: 1;
}

.relative-content { position: relative; z-index: 2; }

.pricing-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 50px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.price-card {
    background: #fff;
    color: #000;
    padding: 30px 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    transition: transform 0.3s ease;
}

.price-card:hover { transform: translateY(-5px); }

.price-card .icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.price-card h3 {
    font-size: 1.1rem;
    font-weight: bold;
    margin-bottom: 10px;
}

.price-card p {
    font-size: 0.9rem;
    color: #555;
    margin-bottom: 20px;
    min-height: 40px;
}

.price-card .price {
    font-size: 1.5rem;
    font-weight: bold;
}

/* --- 7. GALLERY (THƯ VIỆN ẢNH) --- */
.gallery { padding: 60px 0; }

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.gallery-item {
    overflow: hidden;
    border-radius: 15px;
    height: 250px;
    border: 1px solid #333;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-item:hover img {
    transform: scale(1.1);
    filter: brightness(1.2);
}

/* --- 8. TESTIMONIALS (KHÁCH HÀNG) --- */
.testimonials {
    padding: 100px 0;
    border-top: 1px solid #222;
}

.testimonials-layout {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    align-items: start;
}

.testi-header {
    padding-top: 120px; /* Có thể giảm xuống 80px nếu thấy quá xa */
}

.testi-header h2 {
    font-size: 3.5rem;
    line-height: 1.2;
    color: var(--primary-color);
    text-transform: uppercase;
    font-weight: 900;
}

.testi-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.testi-card {
    background: #fff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(255, 0, 204, 0.1);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.testi-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    display: block;
}

.testi-card p {
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 20px;
    color: #333;
    text-align: justify;
    text-align-last: left;
}

.testi-card h4 {
    font-size: 1rem;
    font-weight: bold;
    color: #000;
    text-align: right; /* Căn phải theo ý bạn ở code cuối */
    margin-top: auto;
}

.testi-card h4 span {
    font-size: 0.85rem;
    color: #666;
    font-weight: normal;
}

/* --- 9. FOOTER --- */
.footer-section {
    padding-top: 60px;
    border-top: 2px solid var(--primary-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 30px;
    padding-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--primary-color);
    font-size: 1.4rem;
    font-weight: 900;
    text-transform: uppercase; 
    margin-bottom: 20px;
}
.footer-logo img {
    height: 40px;        /* Giới hạn chiều cao cố định */
    width: auto;         /* Chiều rộng tự động co theo */
    max-width: 100%;     /* Đảm bảo không bao giờ tràn ra ngoài */
    object-fit: contain; /* Giữ ảnh không bị méo */
    margin-right: 10px;  /* Cách chữ bên cạnh một chút */
    vertical-align: middle; /* Căn giữa với dòng chữ */
}

.footer-desc, .footer-contact li, .footer-links li, .footer-links a {
    color: var(--text-gray);
    margin-bottom: 12px;
    line-height: 1.6;
}

.footer-links a:hover { color: var(--primary-color); }
.footer-col h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
    font-weight: bold;
    text-transform: uppercase;
    margin-bottom: 25px;
}

.footer-contact li, .footer-links li { list-style: disc inside; }
.footer-links a { text-decoration: none; transition: color 0.3s; }

.footer-bottom {
    background-color: #000;
    border-top: 1px solid #333;
    padding: 20px 0;
}

.bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: #ccc;
}

.policy-links a {
    color: #ccc;
    text-decoration: none;
    margin: 0 5px;
}
.policy-links a:hover { color: #fff; }

/* --- 10. RESPONSIVE (Tất cả thiết bị Mobile gom vào đây) --- */
@media (max-width: 1024px) {
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
    .testimonials-layout {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .testi-header h2 { margin-bottom: 40px; }
    .testi-header h2 br { display: none; }
    .testi-grid {
        grid-template-columns: 1fr;
        text-align: left;
    }
    .footer-grid { grid-template-columns: 1fr; }
    .bottom-content {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .hero-title { font-size: 2.2rem; }
    .nav-content { flex-direction: column; gap: 15px; }
    .hero-section { height: auto; padding: 60px 0; }
    .logo { flex-direction: column; gap: 5px; font-size: 1rem; }
    .section-header h2 { font-size: 1.8rem; }
    .card { padding: 30px 20px; }
    .card p { height: auto; }
    .stats-grid { flex-direction: column; }
    .stat-item h2 { font-size: 3rem; }
}

@media (max-width: 600px) {
    .gallery-grid { grid-template-columns: 1fr; }
    .gallery-item { height: 220px; }
}