/* ============================================
   SHIV TRANSPORT
   Main Stylesheet
   Color Palette: Dark Blue, White, Orange Accent
   ============================================ */

/* CSS Variables */
:root {
    /* Primary Colors */
    --color-primary: #1a365d;
    --color-primary-dark: #0f2240;
    --color-primary-light: #2c5282;

    /* Accent Colors */
    --color-accent: #ed8936;
    --color-accent-dark: #c05621;
    --color-accent-light: #f6ad55;

    /* Neutral Colors */
    --color-white: #ffffff;
    --color-gray-50: #f7fafc;
    --color-gray-100: #edf2f7;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e0;
    --color-gray-400: #a0aec0;
    --color-gray-500: #718096;
    --color-gray-600: #4a5568;
    --color-gray-700: #2d3748;
    --color-gray-800: #1a202c;
    --color-gray-900: #171923;

    /* Semantic Colors */
    --color-success: #38a169;
    --color-whatsapp: #25d366;

    /* Typography */
    --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --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: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Z-Index */
    --z-header: 100;
    --z-modal: 200;
    --z-loader: 300;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-700);
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

/* ============================================
   LOADER
   ============================================ */

.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-loader);
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
    color: var(--color-white);
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--color-primary-light);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-4);
}

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

/* ============================================
   CONTAINER & LAYOUT
   ============================================ */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

.section {
    padding: var(--spacing-16) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-12);
}

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

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-4);
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--color-gray-500);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
}

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

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

/* WhatsApp Submit Button */
.contact-form .btn-primary {
    background: var(--color-whatsapp);
}

.contact-form .btn-primary:hover {
    background: #1da851;
}

.btn-whatsapp {
    background: var(--color-whatsapp);
    color: var(--color-white);
    gap: var(--spacing-2);
}

.btn-whatsapp:hover {
    background: #1da851;
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
}

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

.btn-outline:hover {
    background: var(--color-white);
    color: var(--color-primary);
    transform: translateY(-2px);
}


/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-4) 0;
    background: transparent;
    z-index: var(--z-header);
    transition: all var(--transition-base);
}

.header.scrolled {
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-3) 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-white);
    transition: color var(--transition-fast);
}

.header.scrolled .logo {
    color: var(--color-primary);
}

.logo-icon {
    font-size: var(--font-size-2xl);
}

.nav-menu {
    display: flex;
    gap: var(--spacing-8);
}

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    padding: var(--spacing-2) 0;
    transition: color var(--transition-fast);
}

.header.scrolled .nav-link {
    color: var(--color-gray-700);
}

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

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

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

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    width: 30px;
    height: 24px;
    position: relative;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    position: absolute;
    width: 100%;
    height: 3px;
    background: var(--color-white);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.header.scrolled .hamburger,
.header.scrolled .hamburger::before,
.header.scrolled .hamburger::after {
    background: var(--color-primary);
}

.hamburger {
    top: 50%;
    transform: translateY(-50%);
}

.hamburger::before {
    content: '';
    top: -8px;
}

.hamburger::after {
    content: '';
    bottom: -8px;
}

.mobile-menu-btn.active .hamburger {
    background: transparent;
}

.mobile-menu-btn.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.mobile-menu-btn.active .hamburger::after {
    bottom: 0;
    transform: rotate(-45deg);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, transparent 0%, var(--color-primary-dark) 70%);
}

.hero-content {
    position: relative;
    text-align: center;
    color: var(--color-white);
    padding: var(--spacing-8);
}

.hero-title {
    font-size: clamp(2rem, 5vw, var(--font-size-5xl));
    font-weight: 700;
    margin-bottom: var(--spacing-4);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, var(--font-size-xl));
    color: var(--color-gray-300);
    margin-bottom: var(--spacing-4);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-description {
    font-size: var(--font-size-base);
    color: var(--color-gray-400);
    max-width: 700px;
    margin: 0 auto var(--spacing-8);
    line-height: 1.7;
}

/* Hero Features Grid */
.hero-features {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-3) var(--spacing-5);
    border-radius: var(--radius-full);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-base);
}

.hero-feature:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.hero-feature-icon {
    width: 40px;
    height: 40px;
    background: var(--color-accent);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-feature-icon svg {
    width: 20px;
    height: 20px;
    fill: var(--color-white);
}

.hero-feature-text {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-white);
}

/* Hero CTA Group */
.hero-cta-group {
    display: flex;
    justify-content: center;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

/* Animated Road with Truck */
.hero-road {
    position: absolute;
    bottom: 80px;
    left: 0;
    width: 100%;
    height: 60px;
    overflow: hidden;
    z-index: 1;
}

.road-line {
    position: absolute;
    bottom: 25px;
    left: 0;
    width: 200%;
    height: 4px;
    background: repeating-linear-gradient(
        90deg,
        var(--color-accent) 0px,
        var(--color-accent) 40px,
        transparent 40px,
        transparent 80px
    );
    animation: roadMove 2s linear infinite;
}

@keyframes roadMove {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-80px);
    }
}

.truck-animation {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: truckBounce 0.5s ease-in-out infinite;
}

.animated-truck {
    width: 120px;
    height: auto;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

@keyframes truckBounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-3px);
    }
}

/* Truck wheels rotation effect */
.animated-truck {
    animation: truckMove 0.3s ease-in-out infinite alternate;
}

@keyframes truckMove {
    0% {
        transform: rotate(-0.5deg);
    }
    100% {
        transform: rotate(0.5deg);
    }
}

.hero-scroll-indicator {
    position: absolute;
    bottom: var(--spacing-8);
    left: 50%;
    transform: translateX(-50%);
}

.hero-scroll-indicator span {
    display: block;
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-gray-400);
    border-radius: 12px;
    position: relative;
}

.hero-scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--color-accent);
    border-radius: var(--radius-full);
    animation: scrollIndicator 2s infinite;
}

@keyframes scrollIndicator {
    0%, 100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    50% {
        opacity: 0.5;
        transform: translateX(-50%) translateY(10px);
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */

.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s ease forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
}

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

/* Scroll Animations */
.scroll-animate {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   STATS SECTION
   ============================================ */

.stats-section {
    background: var(--color-primary);
    padding: var(--spacing-12) 0;
    margin-top: -1px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-8);
}

.stat-item {
    text-align: center;
    color: var(--color-white);
}

.stat-value {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--spacing-2);
}

.stat-label {
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-gray-300);
}

/* ============================================
   ABOUT SECTION
   ============================================ */

.about-section {
    background: var(--color-gray-50);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-12);
    align-items: center;
}

.about-paragraph {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-6);
    line-height: 1.8;
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4);
}

.about-highlight-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-weight: 500;
    color: var(--color-primary);
}

.about-highlight-item::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--color-accent);
    color: var(--color-white);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
}

.about-image-wrapper {
    position: relative;
}

.about-image-placeholder {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-16);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    box-shadow: var(--shadow-xl);
}

.truck-icon {
    font-size: 8rem;
    filter: grayscale(0.2);
}

/* ============================================
   SERVICES SECTION
   ============================================ */

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-8);
}

.service-card {
    background: var(--color-white);
    padding: var(--spacing-8);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-base);
    border: 1px solid var(--color-gray-100);
}

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

.service-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-6);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    transition: all var(--transition-base);
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    transform: scale(1.1);
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-3);
}

.service-description {
    color: var(--color-gray-500);
    line-height: 1.7;
}

/* ============================================
   CLIENTS SECTION
   ============================================ */

.clients-section {
    background: var(--color-gray-50);
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
}

.client-card {
    background: var(--color-white);
    padding: var(--spacing-6);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
    min-height: 180px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.client-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-accent);
}

.client-logo {
    width: 100%;
    max-width: 140px;
    height: 60px;
    margin-bottom: var(--spacing-4);
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all var(--transition-base);
}

.client-card:hover .client-logo {
    filter: grayscale(0%);
    opacity: 1;
}

.client-logo-placeholder {
    width: 100px;
    height: 60px;
    margin: 0 auto var(--spacing-4);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 1px;
}

.client-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gray-700);
    line-height: 1.3;
}

.clients-disclaimer {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    font-style: italic;
}

/* ============================================
   GALLERY SECTION
   ============================================ */

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-4);
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4/3;
    background: var(--color-gray-200);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

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

.gallery-item-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 54, 93, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.gallery-item-overlay span {
    color: var(--color-white);
    font-size: var(--font-size-3xl);
}

.gallery-empty {
    text-align: center;
    padding: var(--spacing-12);
    color: var(--color-gray-500);
    font-style: italic;
}

/* ============================================
   LIGHTBOX
   ============================================ */

.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    padding: var(--spacing-8);
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    text-align: center;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.lightbox-caption {
    color: var(--color-white);
    margin-top: var(--spacing-4);
    font-size: var(--font-size-sm);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    color: var(--color-white);
    font-size: var(--font-size-3xl);
    background: rgba(255, 255, 255, 0.1);
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.lightbox-close {
    top: var(--spacing-4);
    right: var(--spacing-4);
}

.lightbox-prev {
    left: var(--spacing-4);
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-next {
    right: var(--spacing-4);
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    background: var(--color-accent);
}

/* ============================================
   CONTACT SECTION
   ============================================ */

.contact-section {
    background: var(--color-gray-50);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-12);
}

.contact-info {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
}

/* Embedded Google Map */
.map-container {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.map-container iframe {
    display: block;
    width: 100%;
    min-height: 250px;
}

.map-address {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-4);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
}

.map-address-icon {
    flex-shrink: 0;
}

.map-address-icon svg {
    fill: var(--color-accent);
}

.map-address p {
    font-size: var(--font-size-sm);
    line-height: 1.4;
    margin: 0;
}

.contact-card {
    background: var(--color-white);
    padding: var(--spacing-6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
}


.contact-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-3);
    color: var(--color-accent);
}

.contact-icon svg {
    fill: var(--color-accent);
}

.contact-card h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-2);
}

.contact-card p {
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
}

.contact-link {
    color: var(--color-accent);
    font-weight: 500;
}

.contact-link:hover {
    text-decoration: underline;
}

.contact-person {
    margin-bottom: var(--spacing-2);
}

.contact-person-name {
    font-weight: 600;
    color: var(--color-gray-700);
}

.contact-person-role {
    font-size: var(--font-size-xs);
    color: var(--color-gray-400);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--color-white);
    padding: var(--spacing-8);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-4);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: inherit;
    transition: all var(--transition-fast);
    background: transparent;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group label {
    position: absolute;
    left: var(--spacing-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-gray-400);
    transition: all var(--transition-fast);
    pointer-events: none;
    background: var(--color-white);
    padding: 0 var(--spacing-1);
}

.form-group textarea ~ label {
    top: var(--spacing-4);
    transform: none;
}

.form-group input:focus ~ label,
.form-group input:valid ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:valid ~ label {
    top: 0;
    transform: translateY(-50%);
    font-size: var(--font-size-xs);
    color: var(--color-accent);
}

.form-group textarea:focus ~ label,
.form-group textarea:valid ~ label {
    top: 0;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--color-primary-dark);
    color: var(--color-white);
    padding: var(--spacing-12) 0 var(--spacing-6);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-8);
    padding-bottom: var(--spacing-8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo-text {
    font-size: var(--font-size-xl);
}

.footer-tagline {
    color: var(--color-gray-400);
    margin-top: var(--spacing-3);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.footer-links a {
    color: var(--color-gray-300);
    transition: color var(--transition-fast);
}

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

.footer-social {
    display: flex;
    gap: var(--spacing-4);
}

.footer-social a {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    transition: all var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
}

/* ============================================
   FLOATING ELEMENTS
   ============================================ */

.back-to-top {
    position: fixed;
    bottom: calc(var(--spacing-8) + 70px);
    right: var(--spacing-8);
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 50;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--color-accent);
    transform: translateY(-5px);
}

/* WhatsApp Float - Right Side */
.whatsapp-float {
    position: fixed;
    bottom: var(--spacing-8);
    right: var(--spacing-8);
    width: 60px;
    height: 60px;
    background: var(--color-whatsapp);
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-base);
    z-index: 50;
    animation: pulse 2s infinite;
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    animation: none;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
}

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

@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }

    .navbar {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--color-white);
        box-shadow: var(--shadow-xl);
        padding: var(--spacing-20) var(--spacing-8);
        transition: right var(--transition-base);
    }

    .navbar.active {
        right: 0;
    }

    .nav-menu {
        flex-direction: column;
        gap: var(--spacing-4);
    }

    .nav-link {
        color: var(--color-gray-700);
        font-size: var(--font-size-lg);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .about-image {
        order: -1;
    }

    .about-highlights {
        grid-template-columns: 1fr;
    }

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

    .contact-content {
        grid-template-columns: 1fr;
    }

    .contact-info {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-social {
        justify-content: center;
    }

    .whatsapp-float {
        bottom: var(--spacing-4);
        right: var(--spacing-4);
        width: 55px;
        height: 55px;
    }

    .back-to-top {
        bottom: calc(var(--spacing-4) + 65px);
        right: var(--spacing-4);
        width: 45px;
        height: 45px;
    }

    .hero-road {
        bottom: 60px;
    }

    .animated-truck {
        width: 80px;
    }

    .hero-features {
        gap: var(--spacing-3);
    }

    .hero-feature {
        padding: var(--spacing-2) var(--spacing-4);
    }
}

@media (max-width: 480px) {
    .section {
        padding: var(--spacing-12) 0;
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }

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

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