/* ====================================================
   CÔNG TY TNHH CƠ ĐIỆN LẠNH QUỐC NINH - STYLES
   ==================================================== */

/* ===== CSS VARIABLES ===== */
:root {
    /* Colors */
    --primary-blue: #0066CC;
    --secondary-blue: #004C99;
    --accent-cyan: #00B4D8;
    --light-blue: #E6F3FF;
    --dark-navy: #001F3F;
    --accent-orange: #FF6B35;

    --white: #FFFFFF;
    --gray-light: #F5F5F5;
    --gray-medium: #9E9E9E;
    --gray-dark: #424242;
    --black: #000000;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-cyan) 100%);
    --gradient-hero: linear-gradient(135deg, rgba(0, 102, 204, 0.95) 0%, rgba(0, 180, 216, 0.85) 100%);

    /* Typography */
    --font-primary: 'Be Vietnam Pro', 'Inter', sans-serif;
    --font-secondary: 'Inter', sans-serif;

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 40px;
    --spacing-2xl: 56px;
    --spacing-3xl: 72px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 8px 24px rgba(0, 0, 0, 0.15);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.4s ease;

    /* Container */
    --container-max-width: 1200px;
}

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-primary);
    color: var(--gray-dark);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--white);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

ul,
ol {
    list-style: none;
}

button {
    font-family: inherit;
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
}

input,
textarea,
select {
    font-family: inherit;
    border: none;
    outline: none;
}

/* ===== UTILITIES ===== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: var(--light-blue);
    color: var(--primary-blue);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(0, 102, 204, 0.1);
    box-shadow: 0 2px 10px rgba(0, 102, 204, 0.05);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    position: relative;
    z-index: 1;
}

.section-title {
    font-size: 38px;
    font-weight: 800;
    color: var(--dark-navy);
    margin-bottom: var(--spacing-md);
    line-height: 1.25;
}

.section-subtitle {
    font-size: 17px;
    color: var(--gray-dark);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
    opacity: 0.85;
}

.section-cta {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary-blue);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--secondary-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-secondary:hover {
    background: var(--primary-blue);
    color: var(--white);
}

.btn-large {
    padding: 16px 40px;
    font-size: 18px;
}

.btn-small {
    padding: 10px 20px;
    font-size: 14px;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: var(--radius-full);
    background: var(--white);
    color: var(--primary-blue);
}

.btn-icon:hover {
    background: var(--primary-blue);
    color: var(--white);
}

/* ===== HEADER / NAVIGATION ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    background: var(--white);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.header.scrolled .navbar {
    padding: 5px 0;
}

.logo {
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

.logo:hover {
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.1) 0%, rgba(0, 180, 216, 0.1) 100%);
    border-color: var(--accent-cyan);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.15);
}

.logo img {
    height: 110px;
    width: auto;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    filter: drop-shadow(0 4px 8px rgba(0, 102, 204, 0.15));
}

.header.scrolled .logo img {
    height: 80px;
}

.logo:hover img {
    transform: scale(1.08) rotate(-2deg);
    filter: drop-shadow(0 8px 16px rgba(0, 102, 204, 0.3));
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    font-size: 16px;
    font-weight: 500;
    color: var(--gray-dark);
    position: relative;
    padding: var(--spacing-xs) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-blue);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.btn-call {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 12px 24px;
    background: var(--accent-orange);
    color: var(--white);
    border-radius: var(--radius-md);
    font-weight: 600;
}

.btn-call:hover {
    background: #E55A2B;
    transform: scale(1.05);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    padding: 8px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--dark-navy);
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    min-height: 600px;
    height: 100vh;
    max-height: 900px;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    transform: scale(1.05);
    animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
    0% {
        transform: scale(1.05);
    }

    100% {
        transform: scale(1.1);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg,
            rgba(0, 102, 204, 0.7) 0%,
            rgba(0, 180, 216, 0.6) 50%,
            rgba(0, 102, 204, 0.7) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    color: var(--white);
    max-width: 850px;
    padding: var(--spacing-3xl) 0;
    text-align: center;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: var(--radius-full);
    font-size: 15px;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-size: 64px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease-out 0.1s both;
}

.hero-subtitle {
    font-size: 20px;
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
    animation: fadeInUp 0.8s ease-out 0.25s both;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--white);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    opacity: 0.9;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    font-size: 24px;
    color: var(--white);
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-10px);
    }

    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ===== SERVICES SECTION ===== */
.services {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-blue);
}

.service-card.featured {
    background: var(--gradient-primary);
    color: var(--white);
}

.featured-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--accent-orange);
    color: var(--white);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}

.service-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light-blue);
    color: var(--primary-blue);
    border-radius: var(--radius-lg);
    font-size: 32px;
    margin-bottom: var(--spacing-md);
}

.service-card.featured .service-icon {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.service-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--dark-navy);
}

.service-card.featured .service-title {
    color: var(--white);
}

.service-description {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    color: var(--gray-dark);
}

.service-card.featured .service-description {
    color: rgba(255, 255, 255, 0.95);
}

.service-features {
    margin-bottom: var(--spacing-md);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
    font-size: 14px;
}

.service-features i {
    color: var(--primary-blue);
}

.service-card.featured .service-features i {
    color: var(--white);
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--primary-blue);
    font-weight: 600;
    font-size: 16px;
}

.service-card.featured .service-link {
    color: var(--white);
}

.service-link:hover {
    gap: var(--spacing-sm);
}

/* ===== PRODUCTS SECTION ===== */
.products {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-light);
}

.product-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 24px;
    background: var(--white);
    color: var(--gray-dark);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-blue);
    color: var(--white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.product-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--accent-orange);
    color: var(--white);
    padding: 6px 12px;
    border-radius: var(--radius-md);
    font-size: 12px;
    font-weight: 700;
    z-index: 10;
}

.product-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    opacity: 0;
    transition: var(--transition-base);
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.product-info {
    padding: var(--spacing-md);
}

.product-brand {
    font-size: 12px;
    font-weight: 600;
    color: var(--primary-blue);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.product-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark-navy);
    margin-bottom: var(--spacing-sm);
}

.product-features {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.product-features span {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--gray-medium);
}

.product-features i {
    color: var(--primary-blue);
}

.product-highlights-mini {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: var(--spacing-sm);
}

.product-highlights-mini span {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--gray-dark);
}

.product-highlights-mini i {
    color: #10B981;
    font-size: 11px;
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-light);
}

.product-price {
    display: flex;
    flex-direction: column;
}

.price-label {
    font-size: 12px;
    color: var(--gray-medium);
}

.price-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--accent-orange);
}

.product-contact {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-blue);
}

.product-contact i {
    font-size: 18px;
}

.product-contact span {
    font-size: 14px;
    font-weight: 600;
}


/* ===== WHY CHOOSE US SECTION ===== */
.why-choose-us {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.why-choose-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.why-choose-content {
    text-align: left;
}

.why-choose-content .section-badge,
.why-choose-content .section-title {
    text-align: left;
}

.section-text {
    font-size: 18px;
    line-height: 1.8;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-xl);
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.benefit-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--gray-light);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.benefit-item:hover {
    background: var(--light-blue);
    transform: translateX(8px);
}

.benefit-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: var(--radius-md);
    font-size: 24px;
}

.benefit-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark-navy);
    margin-bottom: 4px;
}

.benefit-content p {
    font-size: 14px;
    color: var(--gray-medium);
    line-height: 1.6;
}

.certifications {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.certifications img {
    height: 60px;
    width: auto;
    opacity: 0.7;
    transition: var(--transition-base);
}

.certifications img:hover {
    opacity: 1;
}

.why-choose-visual {
    position: relative;
}

.visual-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.visual-card img {
    width: 100%;
    height: auto;
}

.visual-badge {
    position: absolute;
    bottom: 24px;
    right: 24px;
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-lg);
}

.visual-badge i {
    font-size: 24px;
    color: var(--primary-blue);
}

.visual-badge span {
    font-weight: 700;
    color: var(--dark-navy);
}

/* ===== PROJECTS SECTION ===== */
.projects {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.project-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.project-filters .filter-btn {
    padding: 10px 24px;
    background: var(--gray-light);
    color: var(--gray-dark);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 15px;
    transition: all var(--transition-base);
}

.project-filters .filter-btn:hover,
.project-filters .filter-btn.active {
    background: var(--primary-blue);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.2);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.project-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4 / 3;
    box-shadow: var(--shadow-md);
    transition: all 0.4s ease;
}

.project-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 31, 63, 0.9) 0%, rgba(0, 31, 63, 0.2) 60%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-lg);
    opacity: 0;
    transition: all 0.4s ease;
}

.project-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.project-item:hover img {
    transform: scale(1.1);
}

.project-item:hover .project-overlay {
    opacity: 1;
}

.project-info {
    transform: translateY(20px);
    transition: transform 0.4s ease 0.1s;
}

.project-item:hover .project-info {
    transform: translateY(0);
}

.project-category {
    font-size: 12px;
    font-weight: 700;
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
    display: block;
}

.project-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}

.project-location {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    gap: 6px;
}

.project-link {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    background: var(--white);
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    font-size: 18px;
    transform: scale(0);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.project-item:hover .project-link {
    transform: scale(1);
}

.btn-project-detail {
    color: whitesmoke;
    margin-top: 15px;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.4s ease 0.2s;
}

.project-item:hover .btn-project-detail {
    opacity: 1;
    transform: translateY(0);
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-light);
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.testimonial-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.testimonial-rating {
    display: flex;
    gap: 4px;
    margin-bottom: var(--spacing-md);
}

.testimonial-rating i {
    color: #FFB800;
    font-size: 18px;
}

.testimonial-text {
    font-size: 16px;
    line-height: 1.8;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-light);
}

.testimonial-author img {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.author-info h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark-navy);
    margin-bottom: 2px;
}

.author-info p {
    font-size: 14px;
    color: var(--gray-medium);
}

.slider-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.slider-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    color: var(--primary-blue);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
}

.slider-btn:hover {
    background: var(--primary-blue);
    color: var(--white);
}

.slider-dots {
    display: flex;
    gap: var(--spacing-xs);
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark-navy);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    background: var(--gray-light);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    font-size: 16px;
    transition: var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    background: var(--white);
    border-color: var(--primary-blue);
}

.form-privacy {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
}

.form-privacy input[type="checkbox"] {
    margin-top: 4px;
}

.form-privacy label {
    font-size: 14px;
    color: var(--gray-dark);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.info-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--gray-light);
    border-radius: var(--radius-lg);
}

.info-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: var(--radius-md);
    font-size: 20px;
}

.info-content h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark-navy);
    margin-bottom: 4px;
}

.info-content p,
.info-content a {
    font-size: 14px;
    color: var(--gray-dark);
    display: block;
    margin-bottom: 2px;
}

.info-content a:hover {
    color: var(--primary-blue);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-light);
    color: var(--gray-dark);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.social-link:hover {
    transform: translateY(-4px);
}

.social-link.facebook:hover {
    background: #1877F2;
    color: var(--white);
}

.social-link.zalo:hover {
    background: #0068FF;
    color: var(--white);
}

.social-link.youtube:hover {
    background: #FF0000;
    color: var(--white);
}

.social-link.instagram:hover {
    background: linear-gradient(45deg, #F58529, #DD2A7B, #8134AF);
    color: var(--white);
}

.map-wrapper {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark-navy);
    color: var(--white);
    padding: var(--spacing-2xl) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.footer-logo img {
    height: 40px;
}

.footer-logo span {
    font-size: 18px;
    font-weight: 700;
}

.footer-description {
    font-size: 14px;
    line-height: 1.6;
    opacity: 0.8;
    margin-bottom: var(--spacing-md);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.footer-social a:hover {
    background: var(--primary-blue);
    transform: translateY(-4px);
}

.footer-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-links a {
    font-size: 14px;
    opacity: 0.8;
    transition: var(--transition-base);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--accent-cyan);
    padding-left: 4px;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-contact li {
    display: flex;
    gap: var(--spacing-sm);
    font-size: 14px;
    opacity: 0.8;
}

.footer-contact i {
    color: var(--accent-cyan);
    margin-top: 2px;
}

.footer-contact a:hover {
    color: var(--accent-cyan);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 14px;
    opacity: 0.8;
}

.footer-legal {
    display: flex;
    gap: var(--spacing-md);
}

.footer-legal a:hover {
    color: var(--accent-cyan);
}

/* ===== FLOATING ACTION BUTTONS ===== */
.floating-actions {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    z-index: 999;
}

.fab-btn {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    font-size: 24px;
    transition: var(--transition-base);
}

.fab-btn:hover {
    transform: scale(1.1);
}

.fab-phone {
    background: var(--accent-orange);
    color: var(--white);
}

.fab-zalo {
    background: #0068FF;
    color: var(--white);
}

.fab-scroll-top {
    background: var(--primary-blue);
    color: var(--white);
    opacity: 0;
    pointer-events: none;
}

.fab-scroll-top.visible {
    opacity: 1;
    pointer-events: all;
}

/* ===== RESPONSIVE DESIGN ===== */

/* Tablet */
@media (max-width: 1023px) {
    .section-title {
        font-size: 36px;
    }

    .hero-title {
        font-size: 48px;
    }

    .why-choose-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xl);
    }

    .products-grid,
    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    }
}

/* Mobile */
@media (max-width: 767px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: 80px 30px;
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 999;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        font-size: 18px;
        width: 100%;
        padding: var(--spacing-sm) 0;
        border-bottom: 1px solid var(--gray-light);
    }

    .navbar {
        padding: 10px 0;
    }

    .logo img {
        height: 70px;
    }

    .header.scrolled .logo img {
        height: 60px;
    }

    .hamburger {
        display: flex;
        z-index: 1001;
    }

    .hamburger.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .btn-call span {
        display: none;
    }

    .section-title {
        font-size: 32px;
    }

    .section-subtitle {
        font-size: 16px;
    }

    .hero {
        text-align: center;
        height: auto;
        min-height: 100vh;
        max-height: none;
        padding-top: 100px;
        padding-bottom: 60px;
    }

    .hero-content {
        margin: 0 auto;
    }

    .hero-badge {
        justify-content: center;
    }

    .hero-title {
        font-size: 36px;
        margin-bottom: var(--spacing-sm);
    }

    .hero-subtitle {
        font-size: 16px;
        margin-bottom: var(--spacing-lg);
    }

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

    .products-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--spacing-lg);
    }

    .stat-item {
        flex: 1 1 40%;
        align-items: center;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }

    .section-title {
        font-size: 28px;
    }

    .btn-large {
        padding: 14px 24px;
        font-size: 16px;
    }
}

/* ===== SERVICE DETAIL PAGES ===== */

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 14px;
    color: var(--gray-medium);
    margin-bottom: var(--spacing-md);
    padding-top: 100px;
}

.breadcrumb a {
    color: var(--gray-medium);
    transition: var(--transition-fast);
}

.breadcrumb a:hover {
    color: var(--primary-blue);
}

.breadcrumb i {
    font-size: 10px;
}

.breadcrumb span {
    color: var(--dark-navy);
    font-weight: 600;
}

/* Service Hero */
.service-hero {
    padding: var(--spacing-xl) 0 var(--spacing-3xl);
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--white) 100%);
}

.service-hero-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.service-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--primary-blue);
    color: var(--white);
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.service-hero-title {
    font-size: 48px;
    font-weight: 700;
    color: var(--dark-navy);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.service-hero-description {
    font-size: 18px;
    line-height: 1.8;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-xl);
}

.service-hero-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 16px;
    color: var(--gray-dark);
}

.feature-item i {
    color: var(--primary-blue);
    font-size: 18px;
}

.service-hero-cta {
    display: flex;
    gap: var(--spacing-md);
}

.service-hero-image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.service-hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

.service-hero-badge {
    position: absolute;
    bottom: 24px;
    right: 24px;
    background: var(--white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.badge-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-blue);
    line-height: 1;
    margin-bottom: 4px;
}

.badge-text {
    font-size: 12px;
    color: var(--gray-dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Process Section */
.process-section {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.process-timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 40px;
    top: 60px;
    bottom: 60px;
    width: 2px;
    background: linear-gradient(180deg, var(--primary-blue) 0%, var(--accent-cyan) 100%);
}

.process-step {
    position: relative;
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.process-step:last-child {
    margin-bottom: 0;
}

.step-number {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-full);
    font-size: 24px;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
    z-index: 1;
}

.step-content {
    flex: 1;
    background: var(--gray-light);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-blue);
    transition: var(--transition-base);
}

.step-content:hover {
    background: var(--light-blue);
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.step-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: var(--radius-lg);
    font-size: 28px;
    margin-bottom: var(--spacing-md);
}

.step-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark-navy);
    margin-bottom: var(--spacing-sm);
}

.step-description {
    font-size: 16px;
    line-height: 1.8;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-md);
}

.step-details {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.step-details li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
    font-size: 15px;
    color: var(--gray-dark);
}

.step-details i {
    color: var(--primary-blue);
    margin-top: 4px;
    flex-shrink: 0;
}

.step-time {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-full);
    font-size: 14px;
    color: var(--primary-blue);
    font-weight: 600;
}

.step-time i {
    font-size: 16px;
}

.process-total-time {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
    padding: var(--spacing-md);
    background: var(--light-blue);
    border-radius: var(--radius-lg);
    font-size: 18px;
    color: var(--dark-navy);
}

.process-total-time i {
    font-size: 24px;
    color: var(--primary-blue);
}

/* Pricing Section */
.pricing-section {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-light);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    align-items: stretch;
}

.pricing-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.pricing-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
    border: 2px solid var(--primary-blue);
    z-index: 2;
    transform: scale(1.02);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-12px);
}

.pricing-badge {
    position: absolute;
    top: 20px;
    right: -35px;
    background: var(--accent-orange);
    color: var(--white);
    padding: 8px 45px;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    transform: rotate(45deg);
    box-shadow: 0 4px 10px rgba(255, 107, 53, 0.3);
    z-index: 10;
}

.pricing-header {
    background: #f8fbff;
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
    border-bottom: 1px solid rgba(0, 102, 204, 0.05);
    position: relative;
}

.pricing-card.featured .pricing-header {
    background: linear-gradient(135deg, #f0f7ff 0%, #e6f3ff 100%);
}

.pricing-header h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--dark-navy);
}

.pricing-icon {
    font-size: 32px;
    color: var(--accent-orange);
    margin-bottom: var(--spacing-md);
    display: block;
}

.pricing-card.featured .pricing-icon {
    color: var(--primary-blue);
}

.pricing-price {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--primary-blue);
}

.pricing-card.featured .pricing-price {
    color: var(--primary-blue);
}

.price-from {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.7;
    margin-bottom: 4px;
}

.price-value {
    font-size: 42px;
    font-weight: 800;
    line-height: 1;
}

.pricing-body {
    padding: var(--spacing-xl) var(--spacing-lg);
    flex-grow: 1;
}

.pricing-features {
    list-style: none;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-size: 15px;
    color: var(--gray-dark);
    transition: var(--transition-base);
}

.pricing-features li:hover {
    transform: translateX(5px);
    color: var(--black);
}

.pricing-features i {
    color: var(--primary-blue);
    font-size: 18px;
    flex-shrink: 0;
}

.pricing-footer {
    padding: 0 var(--spacing-lg) var(--spacing-xl);
}

.pricing-note {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px dashed var(--gray-medium);
    max-width: 900px;
    margin: 0 auto;
}

.pricing-note i {
    color: var(--accent-orange);
    font-size: 24px;
    flex-shrink: 0;
}

.pricing-note p {
    font-size: 15px;
    line-height: 1.6;
    color: var(--gray-dark);
}

.pricing-note strong {
    color: var(--dark-navy);
}

/* FAQ Section */
.faq-section {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.faq-grid {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.faq-item {
    background: var(--gray-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-base);
}

.faq-item:hover {
    background: var(--light-blue);
}

.faq-question {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    cursor: pointer;
    user-select: none;
}

.faq-question i {
    color: var(--primary-blue);
    font-size: 24px;
    flex-shrink: 0;
}

.faq-question h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark-navy);
}

.faq-answer {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    padding-left: 68px;
}

.faq-answer p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--gray-dark);
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-3xl) 0;
    background: var(--gradient-primary);
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: 20px;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.cta-section .btn-primary {
    background: var(--accent-orange);
}

.cta-section .btn-primary:hover {
    background: #E55A2B;
}

.cta-section .btn-secondary {
    background: var(--white);
    color: var(--primary-blue);
    border-color: var(--white);
}

.cta-section .btn-secondary:hover {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

/* Related Services */
.related-services {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-light);
}

/* Responsive for Service Detail Pages */
@media (max-width: 1023px) {
    .service-hero-content {
        grid-template-columns: 1fr;
    }

    .service-hero-title {
        font-size: 36px;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    .pricing-card.featured:hover {
        transform: translateY(-8px);
    }
}

@media (max-width: 767px) {
    .breadcrumb {
        padding-top: 80px;
    }

    .service-hero-title {
        font-size: 32px;
    }

    .service-hero-features {
        grid-template-columns: 1fr;
    }

    .service-hero-cta {
        flex-direction: column;
    }

    .process-timeline::before {
        left: 20px;
    }

    .step-number {
        width: 60px;
        height: 60px;
        font-size: 20px;
    }

    .process-step {
        gap: var(--spacing-md);
    }

    .cta-content h2 {
        font-size: 32px;
    }

    .cta-content p {
        font-size: 16px;
    }

    .cta-buttons {
        flex-direction: column;
    }
}

/* ===== PROJECT LIGHTBOX ===== */
.project-lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: var(--spacing-xl);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.project-lightbox.active {
    display: flex;
}

.lightbox-img {
    max-width: 90%;
    max-height: 85vh;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.project-lightbox.active .lightbox-img {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 40px;
    color: var(--white);
    font-size: 40px;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.lightbox-close:hover {
    background: var(--accent-orange);
    transform: rotate(90deg);
}

.lightbox-caption {
    position: absolute;
    bottom: 40px;
    color: var(--white);
    font-size: 18px;
    font-weight: 600;
    text-align: center;
    width: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 40px var(--spacing-xl) 20px;
}