/* ===== ROOT VARIABLES ===== */
:root {
    --primary: #C8102E;
    --primary-dark: #9E0C23;
    --primary-light: #E8354E;
    --secondary: #1A1A2E;
    --secondary-light: #16213E;
    --accent: #D4A843;
    --accent-light: #E8C468;
    --dark: #0F0F1A;
    --gray-900: #1A1A2E;
    --gray-800: #2D2D44;
    --gray-700: #404060;
    --gray-600: #6B6B8A;
    --gray-500: #8E8EA8;
    --gray-400: #B0B0C8;
    --gray-300: #D0D0E0;
    --gray-200: #E8E8F0;
    --gray-100: #F4F4F8;
    --white: #FFFFFF;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 50px rgba(0,0,0,0.15);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.7;
    color: var(--gray-700);
    background: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    color: var(--secondary);
    line-height: 1.3;
    font-weight: 700;
}

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

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

ul { list-style: none; }

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== PRELOADER ===== */
#preloader {
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: var(--secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s, visibility 0.5s;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.preloader-logo {
    width: 120px;
    margin-bottom: 30px;
    display: block;
    animation: pulse 1.5s ease-in-out infinite;
}

.preloader-bar {
    width: 200px;
    height: 3px;
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
    overflow: hidden;
}

.preloader-progress {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 10px;
    animation: loading 1.5s ease-in-out forwards;
}

@keyframes loading {
    0% { width: 0%; }
    100% { width: 100%; }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
}

/* ===== TOP BAR ===== */
.top-bar {
    background: var(--secondary);
    color: var(--gray-400);
    font-size: 13px;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.top-bar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.top-bar-left {
    display: flex;
    gap: 24px;
}

.top-bar-left a {
    color: var(--gray-400);
    display: flex;
    align-items: center;
    gap: 6px;
}

.top-bar-left a:hover { color: var(--accent); }
.top-bar-left a i { color: var(--primary); font-size: 11px; }

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.social-links { display: flex; gap: 12px; }
.social-links a {
    color: var(--gray-500);
    font-size: 13px;
    transition: var(--transition);
}
.social-links a:hover { color: var(--primary); }

.lang-switcher {
    display: flex;
    gap: 8px;
    border-left: 1px solid rgba(255,255,255,0.1);
    padding-left: 16px;
}

.lang-switcher a {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--gray-500);
    font-size: 12px;
    font-weight: 500;
}

.lang-switcher a img { width: 18px; height: 18px; border-radius: 50%; object-fit: cover; }
.lang-switcher a.active { color: var(--white); }

/* ===== HEADER ===== */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo img { height: 44px; }
.logo-white { display: none; }

.nav-list {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-link i { font-size: 10px; transition: var(--transition); }
.nav-link:hover, .nav-link.active { color: var(--primary); background: rgba(200, 16, 46, 0.05); }

.has-dropdown {
    position: relative;
}

.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 260px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 100;
    border: 1px solid var(--gray-200);
}

.has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.has-dropdown:hover .nav-link i {
    transform: rotate(180deg);
}

.dropdown li a {
    display: block;
    padding: 10px 16px;
    font-size: 13px;
    color: var(--gray-700);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.dropdown li a:hover {
    background: rgba(200, 16, 46, 0.05);
    color: var(--primary);
    padding-left: 20px;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--secondary);
    border-radius: 2px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== HERO ===== */
.hero {
    position: relative;
    height: 55vh;
    min-height: 420px;
    max-height: 900px;
    overflow: hidden;
}

.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1s ease;
}

.hero-slide.active { opacity: 1; }

.hero-slide:nth-child(1) { background: linear-gradient(135deg, #1A1A2E 0%, #0F3460 50%, #16213E 100%); }
.hero-slide:nth-child(2) { background: linear-gradient(135deg, #0F0F1A 0%, #1A1A2E 40%, #C8102E 200%); }
.hero-slide:nth-child(3) { background: linear-gradient(135deg, #16213E 0%, #1A1A2E 50%, #0F3460 100%); }
.hero-slide:nth-child(4) { background: linear-gradient(135deg, #1A1A2E 0%, #2D2D44 50%, #16213E 100%); }
.hero-slide:nth-child(5) { background: linear-gradient(135deg, #0F0F1A 0%, #16213E 50%, #1A1A2E 100%); }

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(200, 16, 46, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 80%, rgba(15, 52, 96, 0.15) 0%, transparent 50%);
}

.hero .container {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 680px;
    color: var(--white);
    z-index: 2;
}

.hero-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(200, 16, 46, 0.2);
    border: 1px solid rgba(200, 16, 46, 0.4);
    border-radius: var(--radius-xl);
    font-size: 12px;
    font-weight: 600;
    color: var(--primary-light);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
}

.hero-content h1 {
    font-size: clamp(1.4rem, 3vw, 2.2rem);
    font-weight: 800;
    color: var(--white);
    white-space: nowrap;
    margin-bottom: 20px;
    line-height: 1.15;
}

.hero-content p {
    font-size: 14px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 20px;
    line-height: 1.5;
}

.hero-buttons { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-buttons .btn { padding: 10px 22px; font-size: 13px; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-primary);
    letter-spacing: 0.3px;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(200, 16, 46, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.4);
}

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

.btn-white {
    background: var(--white);
    color: var(--primary);
    border-color: var(--white);
}

.btn-white:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255,255,255,0.2);
}

.btn-outline-white {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.4);
}

.btn-outline-white:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--white);
}

.btn-full { width: 100%; justify-content: center; }

/* Hero Controls */
.hero-controls {
    position: absolute;
    bottom: 90px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 16px;
    z-index: 20;
}

.hero-prev, .hero-next {
    width: 38px;
    height: 38px;
    border: 2px solid rgba(255,255,255,0.5);
    background: rgba(255,255,255,0.15);
    color: var(--white);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    backdrop-filter: blur(10px);
}

.hero-prev:hover, .hero-next:hover {
    background: var(--primary);
    border-color: var(--primary);
}

.hero-dots { display: flex; gap: 8px; }

.hero-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.hero-dots .dot.active {
    background: var(--primary);
    transform: scale(1.2);
}

.hero-scroll {
    position: absolute;
    bottom: 85px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: none;
}

.hero-scroll a {
    color: rgba(255,255,255,0.5);
    font-size: 20px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* ===== SECTION COMMON ===== */
section { padding: 100px 0; }

.section-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    margin-bottom: 16px;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 60px;
}

.section-desc {
    font-size: 17px;
    color: var(--gray-600);
    line-height: 1.7;
}

/* ===== WHY US ===== */
.why-us {
    padding: 0;
    margin-top: -60px;
    position: relative;
    z-index: 10;
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
}

.why-card {
    background: var(--white);
    padding: 48px 32px;
    text-align: center;
    border-right: 1px solid var(--gray-200);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.why-card:first-child { border-radius: var(--radius-lg) 0 0 var(--radius-lg); }
.why-card:last-child { border-radius: 0 var(--radius-lg) var(--radius-lg) 0; border-right: none; }

.why-card:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.why-card:hover h3, .why-card:hover .why-icon { color: var(--white); }

.why-icon {
    font-size: 36px;
    color: var(--primary);
    margin-bottom: 20px;
    transition: var(--transition);
}

.why-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
    transition: var(--transition);
}

.why-card p {
    font-size: 14px;
    line-height: 1.7;
}

/* ===== ABOUT ===== */
.about { background: var(--gray-100); }

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.about-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--primary);
    color: var(--white);
    padding: 24px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.badge-number {
    display: block;
    font-family: var(--font-display);
    font-size: 42px;
    font-weight: 800;
    line-height: 1;
}

.badge-text {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.9;
}

.about-content .section-title { text-align: left; }
.about-content .section-tag { text-align: left; }

.about-content p {
    margin-bottom: 20px;
    color: var(--gray-600);
}

.about-stats {
    display: flex;
    gap: 40px;
    margin: 36px 0;
    padding: 28px 0;
    border-top: 1px solid var(--gray-300);
    border-bottom: 1px solid var(--gray-300);
}

.stat-item { text-align: center; }

.stat-number {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
    display: inline;
}

.stat-suffix {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    display: block;
    font-size: 13px;
    color: var(--gray-600);
    margin-top: 4px;
}

/* ===== SERVICES (Digital Solutions) ===== */
.services { background: var(--white); }

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

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

.service-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    display: block;
    background: #f5f5f5;
    transition: transform 0.6s ease;
}


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

.service-overlay {
    position: absolute;
    inset: 0;
    background: rgba(200, 16, 46, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.service-overlay i { color: var(--white); font-size: 24px; }
.service-card:hover .service-overlay { opacity: 1; }

.service-body { padding: 28px; }

.service-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-sm);
    background: rgba(200, 16, 46, 0.08);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 16px;
    margin-top: -45px;
    position: relative;
    z-index: 2;
    border: 3px solid var(--white);
    box-shadow: var(--shadow-sm);
}

.service-body h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.service-body p {
    font-size: 14px;
    color: var(--gray-600);
    margin-bottom: 16px;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--gray-600);
}

.service-features li i {
    color: var(--primary);
    font-size: 10px;
}

/* ===== PRODUCTS ===== */
.products {
    background: var(--gray-100);
}

.product-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 60px;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.product-showcase-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    min-height: 400px;
    background: #f5f5f5;
}

.product-showcase-content {
    padding: 48px 48px 48px 0;
}

.product-badge {
    display: inline-block;
    padding: 4px 14px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: var(--white);
    font-size: 12px;
    font-weight: 700;
    border-radius: var(--radius-xl);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.product-showcase-content h3 {
    font-size: 28px;
    margin-bottom: 16px;
}

.product-showcase-content p {
    font-size: 15px;
    color: var(--gray-600);
    margin-bottom: 32px;
}

.product-types {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.product-type {
    text-align: center;
    padding: 16px 8px;
    background: var(--gray-100);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.product-type:hover {
    background: rgba(200, 16, 46, 0.05);
    transform: translateY(-4px);
}

.product-type img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin: 0 auto 10px;
}

.product-type h4 {
    font-size: 13px;
    margin-bottom: 2px;
}

.product-type span {
    font-size: 11px;
    color: var(--gray-500);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 32px;
    text-align: center;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    overflow: hidden;
}

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

.product-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: rgba(200, 16, 46, 0.08);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin: 0 auto 20px;
}

.product-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
}

.product-card p {
    font-size: 14px;
    color: var(--gray-600);
    margin-bottom: 20px;
}

.product-card-img {
    border-radius: var(--radius-sm);
    width: 100%;
    height: 180px;
    object-fit: contain;
    object-position: center;
    display: block;
    background: #f5f5f5;
}

/* ===== TECH SERVICES ===== */
.tech-services { background: var(--white); }

.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.tech-card {
    padding: 40px 32px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transition: var(--transition);
}

.tech-card:hover::before { transform: scaleX(1); }

.tech-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.tech-card i {
    font-size: 36px;
    color: var(--primary);
    margin-bottom: 20px;
}

.tech-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.tech-card p {
    font-size: 14px;
    color: var(--gray-600);
}

/* ===== PORTFOLIO ===== */
.portfolio { background: var(--gray-100); }

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

.portfolio-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
}

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

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

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(200, 16, 46, 0.9) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    opacity: 0;
    transition: var(--transition);
}

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

.portfolio-overlay h4 {
    color: var(--white);
    font-size: 16px;
    margin-bottom: 4px;
}

.portfolio-overlay span {
    color: rgba(255,255,255,0.8);
    font-size: 13px;
}

/* ===== PARTNERS ===== */
.partners {
    padding: 60px 0;
    background: var(--white);
}

.partners-slider {
    overflow: hidden;
    position: relative;
}

.partners-track {
    display: flex;
    gap: 40px;
    animation: scroll 30s linear infinite;
    width: max-content;
}

.partners-track img {
    height: 60px;
    width: auto;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: var(--transition);
}

.partners-track img:hover {
    filter: grayscale(0%);
    opacity: 1;
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ===== REFERENCES ===== */
.references { background: var(--gray-100); }

.ref-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 16px;
}

.ref-item {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    aspect-ratio: 1;
    cursor: pointer;
    position: relative;
}

.ref-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.ref-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: grayscale(100%);
    transition: var(--transition);
}

.ref-item:hover img { filter: grayscale(0%); }

/* ===== TEAM ===== */
.team { background: var(--white); }

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.team-card {
    text-align: center;
    padding: 32px 24px;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.team-card:hover {
    background: var(--gray-100);
    transform: translateY(-6px);
}

.team-photo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 20px;
    border: 3px solid var(--gray-200);
    transition: var(--transition);
}

.team-card:hover .team-photo { border-color: var(--primary); }

.team-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-card h4 {
    font-size: 16px;
    margin-bottom: 4px;
}

.team-card span {
    font-size: 13px;
    color: var(--gray-500);
}

/* ===== CTA ===== */
.cta {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--dark) 100%);
    position: relative;
    overflow: hidden;
}

.cta-overlay {
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(200,16,46,0.05)" stroke-width="0.5"/></svg>');
    background-size: 100px;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 2;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    color: var(--white);
    margin-bottom: 16px;
}

.cta-content p {
    color: var(--gray-400);
    font-size: 17px;
    margin-bottom: 36px;
}

.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== CONTACT ===== */
.contact { background: var(--white); }

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-info { display: flex; flex-direction: column; gap: 20px; }

.contact-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--gray-100);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.contact-card:hover {
    background: rgba(200, 16, 46, 0.05);
    transform: translateX(4px);
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: var(--primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.contact-card h4 {
    font-size: 15px;
    margin-bottom: 4px;
}

.contact-card p {
    font-size: 14px;
    color: var(--gray-600);
    margin: 0;
}

.contact-card a {
    color: var(--gray-600);
}

.contact-card a:hover { color: var(--primary); }

.contact-form-wrapper {
    background: var(--gray-100);
    padding: 40px;
    border-radius: var(--radius-lg);
}

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

.form-group { margin-bottom: 0; }

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 14px;
    color: var(--gray-800);
    background: var(--white);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.1);
}

.form-group textarea { resize: vertical; margin-bottom: 16px; }

.captcha-row {
    align-items: center;
    margin-bottom: 16px;
}

.captcha-group {
    display: flex !important;
    align-items: center;
    gap: 10px;
}

.captcha-img {
    height: 45px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--gray-300);
}

.captcha-refresh {
    width: 40px;
    height: 40px;
    border: 1px solid var(--gray-300);
    background: var(--white);
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--gray-600);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.captcha-refresh:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.form-message {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: 14px;
    display: none;
}

.form-message.success {
    background: rgba(37, 211, 102, 0.1);
    color: #1a8a4a;
    border: 1px solid rgba(37, 211, 102, 0.3);
    display: block;
}

.form-message.error {
    background: rgba(200, 16, 46, 0.1);
    color: var(--primary);
    border: 1px solid rgba(200, 16, 46, 0.3);
    display: block;
}

.contact-form .btn {
    padding: 16px;
    font-size: 15px;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark);
    color: var(--gray-400);
}

.footer-top { padding: 80px 0 40px; }

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
}

.footer-logo {
    height: 40px;
    margin-bottom: 20px;
    filter: brightness(10);
}

.footer-col p {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 10px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-500);
    font-size: 14px;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

.footer-col h4 {
    color: var(--white);
    font-size: 16px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 12px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--primary);
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    font-size: 14px;
    color: var(--gray-500);
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--primary);
    padding-left: 6px;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.footer-contact li i {
    color: var(--primary);
    width: 16px;
    text-align: center;
    font-size: 13px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 24px 0;
}

.footer-bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--gray-600);
}

.footer-quote {
    font-style: italic;
    font-size: 12px !important;
    color: var(--gray-600) !important;
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 16px;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-4px);
}

/* ===== ANIMATIONS ===== */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="fade-right"] { transform: translateX(-30px); }
[data-aos="fade-left"] { transform: translateX(30px); }
[data-aos="zoom-in"] { transform: scale(0.9); }

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0) translateX(0) scale(1);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .why-us-grid { grid-template-columns: repeat(2, 1fr); }
    .why-card { border-radius: 0 !important; }
    .why-card:nth-child(1) { border-radius: var(--radius-lg) 0 0 0 !important; }
    .why-card:nth-child(2) { border-radius: 0 var(--radius-lg) 0 0 !important; }
    .why-card:nth-child(3) { border-radius: 0 0 0 var(--radius-lg) !important; }
    .why-card:nth-child(4) { border-radius: 0 0 var(--radius-lg) 0 !important; }

    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .product-showcase { grid-template-columns: 1fr; }
    .product-showcase-content { padding: 32px; }
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .tech-grid { grid-template-columns: repeat(2, 1fr); }
    .portfolio-grid { grid-template-columns: repeat(3, 1fr); }
    .team-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .ref-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 768px) {
    .top-bar { display: none; }

    .hamburger { display: flex; }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--white);
        box-shadow: var(--shadow-xl);
        padding: 80px 24px 24px;
        transition: var(--transition);
        overflow-y: auto;
        z-index: 1000;
    }

    .nav.open { right: 0; }

    .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .nav-link {
        padding: 14px 16px;
        border-bottom: 1px solid var(--gray-200);
    }

    .dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        padding: 0 0 0 16px;
        display: none;
    }

    .has-dropdown.open .dropdown { display: block; }

    .hero { min-height: 280px; max-height: 400px; }
    .hero-content h1 { font-size: 1.3rem; white-space: normal; }
    .hero-controls { bottom: 60px; }

    .why-us { margin-top: -40px; }
    .why-us-grid { grid-template-columns: 1fr; }
    .why-card { border-right: none; border-bottom: 1px solid var(--gray-200); border-radius: 0 !important; }
    .why-card:first-child { border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important; }
    .why-card:last-child { border-radius: 0 0 var(--radius-lg) var(--radius-lg) !important; border-bottom: none; }

    section { padding: 60px 0; }
    .section-header { margin-bottom: 40px; }

    .services-grid { grid-template-columns: 1fr; }
    .product-types { grid-template-columns: repeat(2, 1fr); }
    .products-grid { grid-template-columns: 1fr; }
    .tech-grid { grid-template-columns: 1fr; }
    .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
    .team-grid { grid-template-columns: repeat(2, 1fr); }
    .ref-grid { grid-template-columns: repeat(4, 1fr); }

    .form-row { grid-template-columns: 1fr; }
    .contact-form-wrapper { padding: 24px; }

    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
    .hero-buttons { flex-direction: column; }
    .hero-buttons .btn { width: 100%; justify-content: center; }

    .about-stats { flex-direction: column; gap: 20px; }
    .about-badge { position: static; margin-top: 16px; display: inline-block; }

    .portfolio-grid { grid-template-columns: 1fr; }
    .ref-grid { grid-template-columns: repeat(3, 1fr); }
    .team-grid { grid-template-columns: 1fr; }

    .cta-buttons { flex-direction: column; }
    .cta-buttons .btn { width: 100%; justify-content: center; }
}