/* CSS Variables / Design System */
:root {
    --color-primary: #FFD100;
    --color-primary-dark: #E5BC00;
    --color-primary-glow: rgba(255, 209, 0, 0.3);
    --color-dark: #0d0d0d;
    --color-dark-alt: #1a1a1a;
    --color-dark-card: #242424;
    --color-dark-input: #2d2d2d;
    --color-white: #ffffff;
    --color-gray: #9ca3af;
    --color-gray-light: #d1d5db;
    
    --font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 30px var(--color-primary-glow);
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    
    --transition: all 0.3s ease;
    --transition-fast: all 0.2s ease;
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Modern Animation Keyframes */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(60px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

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

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px var(--color-primary-glow);
    }
    50% {
        box-shadow: 0 0 40px var(--color-primary-glow), 0 0 60px var(--color-primary-glow);
    }
}

/* Animation Classes */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Staggered Animation Delays */
.animate-on-scroll:nth-child(1) { transition-delay: 0s; }
.animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }
.animate-on-scroll:nth-child(4) { transition-delay: 0.3s; }
.animate-on-scroll:nth-child(5) { transition-delay: 0.4s; }
.animate-on-scroll:nth-child(6) { transition-delay: 0.5s; }
.animate-on-scroll:nth-child(7) { transition-delay: 0.6s; }
.animate-on-scroll:nth-child(8) { transition-delay: 0.7s; }
.animate-on-scroll:nth-child(9) { transition-delay: 0.8s; }

/* Hero Animations */
.hero-content .hero-title {
    animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) 0.2s both;
}

.hero-content .hero-subtitle {
    animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) 0.4s both;
}

.hero-content .hero-buttons {
    animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) 0.6s both;
}

.scroll-indicator {
    animation: bounce 2s infinite, fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) 1s both;
}

/* Section Title Animations */
.section-title {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.section-title.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Button Hover Animations */
.btn {
    position: relative;
    overflow: hidden;
}

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

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

/* Card Hover Animations */
.service-card,
.stat-card,
.feature-card,
.portfolio-item {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Logo Glow Animation */
.logo-icon {
    animation: glow 3s ease-in-out infinite;
}

/* Floating Animation for Icons */
.stat-icon,
.feature-icon {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-card:hover .stat-icon,
.feature-card:hover .feature-icon {
    animation: float 2s ease-in-out infinite;
}

/* Image Reveal Animation */
.service-image img,
.portfolio-item img {
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                filter 0.4s ease;
}

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

.portfolio-item:hover img {
    transform: scale(1.15);
    filter: brightness(0.7);
}

/* Portfolio Overlay Animation */
.portfolio-overlay {
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateY(20px);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
    transform: translateY(0);
}

/* Counter Number Animation */
.stat-number {
    transition: transform 0.3s ease;
}

.stat-card:hover .stat-number {
    transform: scale(1.1);
}

/* Nav Link Hover Animation */
.nav-link {
    position: relative;
    transition: color 0.3s ease, transform 0.3s ease;
}

.nav-link:hover {
    transform: translateY(-2px);
}

/* Form Input Focus Animation */
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 209, 0, 0.15);
}

/* Mobile Menu Animation */
.nav {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reduce animations on mobile for performance */
@media (max-width: 768px) {
    .animate-on-scroll {
        transition-duration: 0.4s;
    }
    
    .animate-on-scroll:nth-child(n) {
        transition-delay: 0s;
    }
    
    .logo-icon {
        animation: none;
    }
    
    .stat-card:hover .stat-icon,
    .feature-card:hover .feature-icon {
        animation: none;
    }
    
    .btn::before {
        display: none;
    }
}

/* Prefers reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .animate-on-scroll {
        opacity: 1;
        transform: none;
    }
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

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

/* Typography */
.text-yellow {
    color: var(--color-primary);
}

.text-white {
    color: var(--color-white);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 900;
    text-align: center;
    margin-bottom: 50px;
    text-transform: uppercase;
    letter-spacing: 3px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: var(--font-family);
    font-size: 14px;
    font-weight: 700;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

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

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

.btn-outline-light {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

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

.btn-outline-dark {
    background-color: transparent;
    color: var(--color-dark);
    border-color: var(--color-dark);
}

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

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 209, 0, 0.1);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    width: 44px;
    height: 44px;
    object-fit: contain;
    border-radius: 8px;
    filter: drop-shadow(0 2px 8px var(--color-primary-glow));
}

.logo-text {
    font-weight: 800;
    font-size: 18px;
    letter-spacing: 1px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-link {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-gray-light);
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    transition: var(--transition);
}

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

.header-btn {
    padding: 10px 24px;
    font-size: 12px;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background-color: var(--color-white);
    transition: var(--transition);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.9) 0%,
        rgba(0, 0, 0, 0.7) 50%,
        rgba(0, 0, 0, 0.5) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 10;
    padding-top: 40px;
    height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.hero-title {
    font-size: clamp(1.8rem, 5vw, 3.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 3px;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-gray);
    max-width: 520px;
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    color: var(--color-primary);
    animation: bounce 2s infinite;
    cursor: pointer;
    transition: var(--transition);
}

.scroll-indicator:hover {
    color: var(--color-primary-dark);
    transform: translateX(-50%) scale(1.2);
}

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

/* About Section */
.about {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--color-dark-alt) 0%, var(--color-dark) 100%);
}

.about-intro {
    text-align: center;
    font-size: 1.15rem;
    color: var(--color-primary);
    font-weight: 600;
    max-width: 1000px;
    margin: 0 auto 50px;
    line-height: 1.8;
}

.about-text {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.about-text p {
    color: var(--color-gray);
    margin-bottom: 28px;
    line-height: 1.9;
    font-size: 1rem;
}

/* Services Section */
.services {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--color-dark) 0%, var(--color-dark-alt) 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 40px;
}

.service-card {
    background: linear-gradient(145deg, #ffffff 0%, #f5f5f5 100%);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    text-align: center;
    padding-bottom: 40px;
    transition: var(--transition);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.service-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 25px 70px rgba(255, 209, 0, 0.15);
}

.service-image {
    width: 100%;
    height: 300px;
    overflow: hidden;
    position: relative;
}

.service-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(transparent, rgba(255, 255, 255, 0.9));
}

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

.service-card:hover .service-image img {
    transform: scale(1.15);
}

.service-title {
    color: var(--color-dark);
    font-size: 1.5rem;
    font-weight: 800;
    margin: 28px 0 16px;
    padding: 0 28px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.service-desc {
    color: #555;
    font-size: 1rem;
    padding: 0 28px;
    margin-bottom: 28px;
    line-height: 1.8;
}

/* Statistics Section */
.statistics {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.stat-card {
    background-color: var(--color-dark-card);
    border-radius: var(--radius-xl);
    padding: 48px 28px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.stat-icon {
    color: var(--color-primary);
    margin-bottom: 20px;
}

.stat-number {
    display: block;
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--color-white);
    margin-bottom: 12px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-primary);
    font-weight: 700;
    letter-spacing: 2px;
}

/* Why Us Section */
.why-us {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.why-us .section-title {
    color: var(--color-dark);
}

.why-us .section-title .text-yellow {
    color: var(--color-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    background-color: var(--color-dark-card);
    border-radius: var(--radius-xl);
    padding: 48px 36px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 28px;
    color: var(--color-dark);
    box-shadow: 0 8px 25px var(--color-primary-glow);
}

.feature-title {
    font-size: 1.15rem;
    font-weight: 800;
    margin-bottom: 18px;
    letter-spacing: 1px;
    color: var(--color-white);
}

.feature-desc {
    color: var(--color-gray);
    font-size: 0.95rem;
    line-height: 1.8;
}

/* Process Section */
.process {
    position: relative;
    padding: 120px 0;
    overflow: hidden;
}

.process-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('images/kakoradimo.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.process-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
}

.process .container {
    position: relative;
    z-index: 10;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 40px;
}

.process-step {
    text-align: center;
}

.process-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: var(--color-dark);
    box-shadow: 0 8px 25px var(--color-primary-glow);
}

.process-title {
    color: var(--color-primary);
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: 2px;
    text-shadow: 0 2px 10px var(--color-primary-glow);
}

.process-desc {
    color: var(--color-gray-light);
    font-size: 1rem;
    line-height: 1.9;
    font-weight: 500;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

/* Gallery Section */
.gallery-section {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--color-dark-alt) 0%, var(--color-dark) 100%);
    text-align: center;
}

.gallery-intro {
    color: var(--color-gray);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.gallery-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Portfolio Section */
.portfolio-section {
    padding: 140px 0;
    background: linear-gradient(180deg, var(--color-dark) 0%, var(--color-dark-alt) 100%);
}

.portfolio-filters {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 16px 36px;
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.15);
    color: var(--color-gray-light);
    font-family: var(--font-family);
    font-size: 13px;
    font-weight: 700;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.filter-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(255, 209, 0, 0.08);
    transform: translateY(-3px);
}

.filter-btn.active {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-dark);
    box-shadow: 0 8px 25px var(--color-primary-glow);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.portfolio-item {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    height: 320px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 209, 0, 0.1);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 60px rgba(255, 209, 0, 0.15);
    border-color: rgba(255, 209, 0, 0.3);
}

.portfolio-item.hidden {
    display: none;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                filter 0.4s ease;
}

.portfolio-item:hover img {
    transform: scale(1.15);
    filter: brightness(0.6);
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent 0%, rgba(0, 0, 0, 0.9) 70%, rgba(0, 0, 0, 0.98) 100%);
    padding: 30px 25px;
    transform: translateY(15px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-item:hover .portfolio-overlay {
    transform: translateY(0);
    opacity: 1;
}

.portfolio-overlay h4 {
    color: var(--color-primary);
    font-size: 1.15rem;
    font-weight: 800;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    text-shadow: 0 2px 10px var(--color-primary-glow);
}

.portfolio-overlay p {
    color: var(--color-white);
    font-size: 0.9rem;
    line-height: 1.6;
    opacity: 0.9;
}

/* Responsive Portfolio Grid */
@media (max-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .portfolio-item {
        height: 280px;
    }
}

/* Contact Section */
.contact {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--color-dark-alt) 0%, var(--color-dark) 100%);
}

.contact-intro {
    text-align: center;
    color: var(--color-gray);
    max-width: 600px;
    margin: -20px auto 50px;
    font-size: 1rem;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 28px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 10px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    background-color: var(--color-dark-input);
    border: 2px solid var(--color-dark-input);
    border-radius: var(--radius-md);
    color: var(--color-white);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 20px var(--color-primary-glow);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%239ca3af' viewBox='0 0 16 16'%3E%3Cpath d='M8 10.5l-5-5h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 20px center;
}

.form-group select option {
    background-color: var(--color-dark-card);
    color: var(--color-white);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
}

/* Footer */
.footer {
    padding: 80px 0 40px;
    background-color: var(--color-dark);
    border-top: 1px solid rgba(255, 209, 0, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-title {
    font-size: 1rem;
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: 1px;
    color: var(--color-primary);
}

.footer-col p {
    color: var(--color-gray);
    font-size: 0.95rem;
    line-height: 1.9;
}

.footer-link {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--color-gray);
    font-size: 0.95rem;
    margin-bottom: 14px;
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--color-primary);
    transform: translateX(5px);
}

.social-links {
    display: flex;
    gap: 14px;
}

.social-link {
    width: 44px;
    height: 44px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    transition: var(--transition);
}

.social-link:hover {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: var(--color-dark);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: var(--color-gray);
    font-size: 0.9rem;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-dark);
    box-shadow: 0 8px 25px var(--color-primary-glow);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

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

.back-to-top:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 12px 35px var(--color-primary-glow);
}

/* Responsive */
@media (max-width: 992px) {
    .nav {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background-color: rgba(13, 13, 13, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px;
        gap: 0;
        border-bottom: 1px solid rgba(255, 209, 0, 0.1);
    }
    
    .nav.active {
        display: flex;
    }
    
    .nav-link {
        padding: 16px 0;
        width: 100%;
        text-align: center;
        font-size: 14px;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .header-btn {
        display: none;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }
    
    .section-title {
        font-size: 1.75rem;
        margin-bottom: 40px;
    }
    
    .services-grid,
    .features-grid,
    .process-grid,
    .stats-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-link {
        justify-content: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .gallery-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .portfolio-filters {
        gap: 10px;
    }
    
    .filter-btn {
        padding: 12px 24px;
        font-size: 12px;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }
}

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

.animate-on-scroll {
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

/* Form Success Message */
.form-success {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.15) 0%, rgba(34, 197, 94, 0.05) 100%);
    border: 2px solid #22c55e;
    color: #22c55e;
    padding: 20px;
    border-radius: var(--radius-lg);
    text-align: center;
    margin-top: 24px;
    display: none;
    font-weight: 600;
}

.form-success.show {
    display: block;
    animation: fadeInUp 0.4s ease;
}