/* ================================
   CSS Variables - Centralized Constants
   ================================ */
:root {
    /* Colors - VELVIK Theme */
    --color-primary: #152d50;
    --color-primary-dark: #0f213a;
    --color-primary-light: #1e4270;
    --color-accent: #757573;
    --color-accent-hover: #5c5c5a;
    --color-secondary: #f5f5f5;
    --color-text: #1a1a1a;
    --color-text-light: #757573;
    --color-white: #ffffff;
    --color-black: #000000;
    --color-success: #2e7d32;
    --color-warning: #f57c00;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #152d50 0%, #1e4270 100%);
    --gradient-accent: linear-gradient(135deg, #757573 0%, #8a8a88 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(21, 45, 80, 0.95) 0%, rgba(30, 66, 112, 0.9) 100%);
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    
    /* Font Sizes */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Layout */
    --container-width: 1200px;
    --border-radius: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
}

/* ================================
   CSS Reset & Base Styles
   ================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
    width: 100%;
}

body {
    font-family: var(--font-secondary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
}

ul {
    list-style: none;
}

/* ================================
   Layout & Container
   ================================ */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    width: 100%;
}

/* ================================
   Header & Navigation
   ================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

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

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.nav-logo .logo-img {
    height: 40px;
    width: auto;
    max-width: 200px;
}

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

.nav-link {
    font-weight: 500;
    color: var(--color-text);
    padding: var(--spacing-xs) var(--spacing-sm);
    transition: var(--transition-base);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 2px;
    background: var(--gradient-primary);
    transition: transform var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
}

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

.nav-cta .cta-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--gradient-primary);
    color: var(--color-white);
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition-base);
}

.nav-cta .cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    display: block;
    width: 28px;
    height: 3px;
    background: var(--color-primary);
    border-radius: 3px;
    transition: var(--transition-base);
}

/* ================================
   Hero Section - React-like Effects
   ================================ */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-overlay);
    opacity: 0.97;
}

/* Animated Shapes - React-like */
.animated-shapes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 400px;
    height: 400px;
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.shape-2 {
    width: 300px;
    height: 300px;
    bottom: -50px;
    left: -50px;
    animation-delay: 5s;
}

.shape-3 {
    width: 200px;
    height: 200px;
    top: 50%;
    left: 50%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(30px, -30px) rotate(120deg);
    }
    66% {
        transform: translate(-30px, 30px) rotate(240deg);
    }
}

.hero-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-content {
    color: var(--color-white);
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 8px 20px;
    border-radius: 50px;
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: slideInLeft 0.8s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.badge-text {
    font-size: var(--font-size-sm);
    font-weight: 600;
    letter-spacing: 1px;
}

.hero-title {
    margin-bottom: var(--spacing-md);
}

.title-line {
    display: block;
    animation: fadeInUp 1s ease-out backwards;
}

.title-line:nth-child(1) { animation-delay: 0.2s; }
.title-line:nth-child(2) { animation-delay: 0.4s; }
.title-line:nth-child(3) { animation-delay: 0.6s; }

.title-line.highlight {
    background: linear-gradient(135deg, #152d50, #757573);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
    animation: fadeInUp 1s ease-out 0.8s backwards;
}

.hero-features {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 1s backwards;
}

.hero-features .feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 500;
}

.hero-features .feature-item i {
    font-size: var(--font-size-xl);
    color: #757573;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 1.2s backwards;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 16px 32px;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn span,
.btn i {
    position: relative;
    z-index: 1;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--color-white);
    border: 2px solid transparent;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Hero Image with Floating Cards */
.hero-image {
    position: relative;
    animation: fadeInRight 1s ease-out;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.image-wrapper {
    position: relative;
}

.hero-img {
    width: 100%;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    animation: pulse 3s infinite ease-in-out;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
}

.floating-card {
    position: absolute;
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    animation: float-card 3s infinite ease-in-out;
}

@keyframes float-card {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

.floating-card.card-1 {
    top: 20%;
    right: -30px;
    animation-delay: 0s;
}

.floating-card.card-2 {
    bottom: 20%;
    left: -30px;
    animation-delay: 1.5s;
}

.floating-card i {
    font-size: var(--font-size-3xl);
    color: var(--color-primary);
}

.floating-card h4 {
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
    margin-bottom: 0;
}

.floating-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin: 0;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-white);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

.scroll-line {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.8), transparent);
}

/* ================================
   Sections - Common Styles
   ================================ */
section {
    padding: var(--spacing-3xl) 0;
    overflow-x: hidden;
}

.section-label {
    display: inline-block;
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    margin-bottom: var(--spacing-md);
    max-width: 800px;
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    max-width: 700px;
    line-height: 1.7;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header .section-title {
    margin-left: auto;
    margin-right: auto;
}

.section-header .section-description {
    margin-left: auto;
    margin-right: auto;
}

/* Animation Classes */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

[data-animate="fade-left"] {
    transform: translateX(-30px);
}

[data-animate="fade-right"] {
    transform: translateX(30px);
}

[data-animate="fade-left"].animated,
[data-animate="fade-right"].animated {
    transform: translateX(0);
}

/* ================================
   About Section
   ================================ */
.about-section {
    background: var(--color-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    max-width: 100%;
}

.stat-item {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    border-left: 4px solid var(--color-primary);
    box-shadow: 0 2px 12px rgba(21, 45, 80, 0.08);
    transition: box-shadow 0.3s ease, transform 0.2s ease;
}

.stat-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 24px rgba(21, 45, 80, 0.12);
}

.stat-item-icon {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(21, 45, 80, 0.08), rgba(21, 45, 80, 0.04));
    border-radius: var(--border-radius-md);
    color: var(--color-primary);
    font-size: 1.1rem;
}

.stat-item-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
    text-align: left;
}

.about-stats .stat-number {
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
    margin: 0;
    font-weight: 700;
    line-height: 1.2;
}

.about-stats .stat-label {
    font-size: 0.75rem;
    color: var(--color-text-light);
    margin: 0;
    font-weight: 500;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

.image-grid {
    position: relative;
    overflow: hidden;
}

.grid-item.large {
    width: 100%;
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.grid-item.large img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.experience-badge {
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 150px;
    height: 150px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.badge-inner {
    text-align: center;
    color: var(--color-white);
    animation: rotate-reverse 20s linear infinite;
}

@keyframes rotate-reverse {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(-360deg);
    }
}

.badge-inner h3 {
    font-size: var(--font-size-4xl);
    color: var(--color-white);
}

.badge-inner p {
    font-size: var(--font-size-sm);
    margin: 0;
}

/* ================================
   Services Section
   ================================ */
.services-section {
    background: var(--color-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

@media (max-width: 900px) {
    .service-card.featured {
        transform: scale(1);
    }
}

.service-card {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.service-card.featured {
    background: var(--gradient-primary);
    color: var(--color-white);
    transform: scale(1.05);
}

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

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

.featured-badge {
    position: absolute;
    top: 20px;
    right: -35px;
    background: var(--gradient-accent);
    color: var(--color-white);
    padding: 5px 40px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    transform: rotate(45deg);
    box-shadow: var(--shadow-md);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    transition: var(--transition-base);
}

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

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-icon i {
    font-size: var(--font-size-3xl);
    color: var(--color-white);
}

.service-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

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

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

.service-card.featured .service-features li {
    color: rgba(255, 255, 255, 0.9);
}

.service-features li i {
    color: var(--color-success);
    font-size: var(--font-size-base);
}

.service-card.featured .service-features li i {
    color: #757573;
}

/* ================================
   Why Choose Us Section
   ================================ */
.why-choose-section {
    background: var(--color-secondary);
}

.why-choose-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.why-choose-image {
    position: relative;
    overflow: hidden;
}

.why-choose-image img {
    width: 100%;
    height: 600px;
    object-fit: cover;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
}

.quality-badge {
    position: absolute;
    bottom: 30px;
    left: 30px;
    background: var(--color-white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    animation: float-card 3s infinite ease-in-out;
}

.quality-badge i {
    font-size: var(--font-size-2xl);
    color: var(--color-success);
}

.quality-badge span {
    font-weight: 600;
    color: var(--color-text);
}

.features-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.features-list .feature-item {
    display: flex;
    gap: var(--spacing-md);
}

.features-list .feature-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.features-list .feature-icon i {
    font-size: var(--font-size-xl);
    color: var(--color-white);
}

.feature-content h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.feature-content p {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ================================
   Contact Section
   ================================ */
.contact-section {
    background: var(--color-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-3xl);
}

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

.info-card {
    background: var(--color-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    display: flex;
    gap: var(--spacing-md);
    transition: var(--transition-base);
}

.info-card:hover {
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    transform: translateX(10px);
}

.info-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-icon i {
    font-size: var(--font-size-2xl);
    color: var(--color-white);
}

.info-content h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.info-content p {
    color: var(--color-text-light);
    line-height: 1.6;
}

.info-content a {
    color: var(--color-text-light);
    transition: var(--transition-fast);
}

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

.info-content a,
.footer-contact a {
    word-break: break-word;
    overflow-wrap: break-word;
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--color-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
}

.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-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(21, 45, 80, 0.1);
}

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

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

.form-message {
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    text-align: center;
    display: none;
}

.form-message.success {
    display: block;
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    display: block;
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* ================================
   Footer
   ================================ */
.footer {
    background: var(--color-text);
    color: var(--color-white);
    padding: var(--spacing-3xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo img {
    height: 50px;
    width: auto;
    max-width: 220px;
    margin-bottom: var(--spacing-md);
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.social-links a:hover {
    background: var(--color-primary);
    transform: translateY(-3px);
}

.footer-column h4 {
    color: var(--color-white);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-white);
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
}

.footer-contact i {
    color: var(--color-primary);
    width: 20px;
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--font-size-sm);
}

/* ================================
   Scroll to Top Button
   ================================ */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* ================================
   Responsive Design
   ================================ */
@media (max-width: 1024px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
    }
    
    .container {
        padding: 0 clamp(1rem, 4vw, var(--spacing-md));
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .vehicles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .why-choose-content {
        grid-template-columns: 1fr;
    }
    
    .features-list {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 clamp(1rem, 4vw, var(--spacing-md));
    }
    
    .nav-container {
        padding: var(--spacing-sm) clamp(1rem, 4vw, var(--spacing-md));
    }
    
    section {
        padding: var(--spacing-2xl) 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-lg);
        transition: var(--transition-base);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-cta {
        display: none;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .hero-features {
        flex-direction: column;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card.featured {
        transform: scale(1);
    }
    
    .vehicles-filters {
        grid-template-columns: 1fr;
    }
    
    .vehicles-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .floating-card.card-1,
    .floating-card.card-2 {
        position: static;
        margin: var(--spacing-md) 0;
    }
    
    .grid-item.large img {
        height: 300px;
    }
    
    .why-choose-image img {
        height: 400px;
    }
    
    .experience-badge {
        width: 120px;
        height: 120px;
        bottom: -20px;
        right: -20px;
    }
    
}

@media (max-width: 480px) {
    :root {
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
        --spacing-3xl: 3rem;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .nav-container {
        padding: var(--spacing-sm) 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .about-stats {
        gap: var(--spacing-sm);
        margin: var(--spacing-lg) 0;
    }
    
    .about-stats .stat-item {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .about-stats .stat-item-icon {
        width: 36px;
        height: 36px;
        font-size: 0.95rem;
    }
    
    .about-stats .stat-number {
        font-size: var(--font-size-xl);
    }
    
    .about-stats .stat-label {
        font-size: 0.7rem;
    }
}

/* ================================
   Vehicles Section
   ================================ */
.vehicles-section {
    background: var(--color-white);
}

.vehicles-filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(200px, 100%), 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--color-secondary);
    border-radius: var(--border-radius-lg);
}

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

.filter-select {
    padding: 12px 16px;
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: var(--font-size-base);
    background: var(--color-white);
    transition: var(--transition-base);
    cursor: pointer;
}

.filter-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(21, 45, 80, 0.1);
}

.price-filter label {
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
    display: block;
}

#priceRangeLabel {
    color: var(--color-primary);
    font-weight: 700;
}

#priceRange {
    width: 100%;
    height: 6px;
    border-radius: 5px;
    background: linear-gradient(to right, var(--color-primary) 0%, var(--color-primary) 100%);
    outline: none;
    -webkit-appearance: none;
}

#priceRange::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

#priceRange::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: var(--shadow-lg);
}

#priceRange::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    box-shadow: var(--shadow-md);
    border: none;
    transition: var(--transition-base);
}

#priceRange::-moz-range-thumb:hover {
    transform: scale(1.2);
    box-shadow: var(--shadow-lg);
}

.filter-reset {
    align-self: flex-end;
    padding: 12px 20px;
}

/* Vehicles Grid */
.vehicles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
    gap: var(--spacing-lg);
}

.vehicle-card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    cursor: pointer;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease forwards;
}

.vehicle-card.vehicle-card-visible {
    opacity: 1;
    transform: translateY(0);
}

.vehicle-card:nth-child(1) {
    animation-delay: 0.1s;
}

.vehicle-card:nth-child(2) {
    animation-delay: 0.2s;
}

.vehicle-card:nth-child(3) {
    animation-delay: 0.3s;
}

.vehicle-card:nth-child(4) {
    animation-delay: 0.4s;
}

.vehicle-card:nth-child(5) {
    animation-delay: 0.5s;
}

.vehicle-card:nth-child(6) {
    animation-delay: 0.6s;
}

.vehicle-card:nth-child(7) {
    animation-delay: 0.7s;
}

.vehicle-card:nth-child(8) {
    animation-delay: 0.8s;
}

.vehicle-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.vehicle-card.featured::before {
    content: 'Izdvajamo';
    position: absolute;
    top: 15px;
    right: -35px;
    background: var(--gradient-accent);
    color: var(--color-white);
    padding: 5px 40px;
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    transform: rotate(45deg);
    box-shadow: var(--shadow-md);
    z-index: 10;
}

.vehicle-image {
    position: relative;
    width: 100%;
    height: 240px;
    overflow: hidden;
    background: var(--color-secondary);
}

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

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

.vehicle-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--color-white);
    color: var(--color-primary);
    padding: 6px 12px;
    border-radius: 50px;
    font-size: var(--font-size-xs);
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

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

.vehicle-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.vehicle-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.vehicle-specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-secondary);
    border-radius: var(--border-radius);
}

.vehicle-spec {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.vehicle-spec i {
    color: var(--color-primary);
    font-size: var(--font-size-base);
}

.vehicle-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--color-secondary);
}

.vehicle-price {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-accent);
}

.vehicle-price-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.view-details-btn {
    background: var(--gradient-primary);
    color: var(--color-white);
    padding: 10px 20px;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: var(--transition-base);
}

.view-details-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

/* No Results */
.no-results {
    text-align: center;
    padding: var(--spacing-3xl);
}

.no-results i {
    font-size: 64px;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.no-results h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
}

.no-results p {
    color: var(--color-text-light);
    font-size: var(--font-size-lg);
}

/* ================================
   Print Styles
   ================================ */
@media print {
    .header,
    .scroll-top,
    .hamburger,
    .scroll-indicator {
        display: none;
    }
    
    section {
        page-break-inside: avoid;
    }
}