/* ============================================
   CSS Variables & Reset - Black & White Theme
   ============================================ */
:root {
    --black: #000000;
    --black-soft: #1a1a1a;
    --gray-dark: #2d2d2d;
    --gray: #4a4a4a;
    --gray-light: #6b6b6b;
    --gray-lighter: #9a9a9a;
    --white: #ffffff;
    --white-soft: #f5f5f5;
    --white-light: #fafafa;
    --border-color: #e0e0e0;
    --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-xl: 0 12px 36px rgba(0, 0, 0, 0.25);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--white);
    background-color: var(--black);
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.02) 0%, transparent 50%);
    background-size: 100% 100%, 100% 100%;
    background-attachment: fixed;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
}

/* Particles Canvas */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    opacity: 0.6;
}

/* Ensure content is above particles */
.navbar,
section,
footer {
    position: relative;
    z-index: 2;
}

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

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

ul {
    list-style: none;
}

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

.section-padding {
    padding: 100px 0;
}

.bg-light {
    background-color: var(--black);
}

/* ============================================
   Navigation - Black & White
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
    background: rgba(0, 0, 0, 1);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--white);
    transition: var(--transition);
    text-decoration: none;
}

.logo:hover {
    transform: scale(1.05);
    color: var(--white);
}

#logo-img {
    height: 45px;
    width: auto;
    transition: var(--transition);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.nav-menu {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-menu a {
    font-weight: 500;
    color: var(--white);
    position: relative;
    padding: 0.5rem 0;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-menu a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--white);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background: rgba(255, 255, 255, 0.5);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.1s;
}

.nav-menu a:hover::before,
.nav-menu a.active::before {
    width: 100%;
}

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

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--white);
    transform: translateY(-2px);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--white);
    transition: var(--transition);
    border-radius: 2px;
    transform-origin: center;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ============================================
   Hero Section - Black & White with Animations
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--black);
    color: white;
    text-align: center;
    overflow: hidden;
}

.hero::after {
    display: none;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/image002.jpg') center/cover;
    opacity: 0.1;
    z-index: 1;
    /* Removed motion animation */
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 900px;
    padding: 0 20px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 2rem;
    line-height: 1.1;
    letter-spacing: -1px;
    text-transform: uppercase;
    animation: heroTitleSlide 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes heroTitleSlide {
    from {
        opacity: 0;
        transform: translateY(50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.hero-subtitle {
    font-size: 1.4rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    line-height: 1.7;
    font-weight: 300;
    letter-spacing: 0.5px;
    animation: heroSubtitleSlide 1.2s cubic-bezier(0.4, 0, 0.2, 1) 0.3s both;
}

@keyframes heroSubtitleSlide {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 0.9;
        transform: translateY(0);
    }
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: heroButtonsSlide 1.2s cubic-bezier(0.4, 0, 0.2, 1) 0.6s both;
}

@keyframes heroButtonsSlide {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    animation: scrollIndicatorPulse 2s ease-in-out infinite;
}

@keyframes scrollIndicatorPulse {
    0%, 100% { opacity: 0.6; transform: translateX(-50%) translateY(0); }
    50% { opacity: 1; transform: translateX(-50%) translateY(10px); }
}

.scroll-indicator span {
    display: block;
    width: 30px;
    height: 50px;
    border: 2px solid white;
    border-radius: 25px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: white;
    border-radius: 50%;
    animation: scrollDot 2s ease-in-out infinite;
}

@keyframes scrollDot {
    0% { transform: translateX(-50%) translateY(0); opacity: 1; }
    50% { transform: translateX(-50%) translateY(20px); opacity: 0.3; }
    100% { transform: translateX(-50%) translateY(0); opacity: 1; }
}

/* ============================================
   Buttons - Black & White with Click Animations
   ============================================ */
.btn {
    display: inline-block;
    padding: 14px 35px;
    border-radius: 0;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
    background: transparent;
}

.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:active::before {
    width: 300px;
    height: 300px;
}

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


.btn-primary:hover {
    background: transparent;
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}


.btn-secondary:hover {
    background: white;
    color: var(--black);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-large {
    padding: 18px 45px;
    font-size: 1.1rem;
}

/* Ripple Effect on Click */
.btn {
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::after {
    width: 300px;
    height: 300px;
}

/* ============================================
   Section Headers - Black & White
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: 5rem;
    position: relative;
}


.section-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 2px;
    position: relative;
    display: inline-block;
}

.title-underline {
    width: 100px;
    height: 4px;
    background: var(--white);
    margin: 0 auto 1.5rem;
    position: relative;
    animation: underlineExpand 1s ease-out;
}

@keyframes underlineExpand {
    from { width: 0; }
    to { width: 100px; }
}

.title-underline::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    background: var(--white);
    border-radius: 50%;
}

.section-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 700px;
    margin: 0 auto;
    font-weight: 300;
    letter-spacing: 0.5px;
}

/* ============================================
   Introduction Section
   ============================================ */
.introduction {
    position: relative;
    background-color: var(--black);
}


.intro-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.intro-text {
    font-size: 1.15rem;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    opacity: 0;
    animation: textFadeIn 1s ease-out forwards;
}

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

@keyframes textFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Services Overview - Black & White Cards
   ============================================ */
.services-overview {
    position: relative;
    background-color: var(--black);
}


.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
    position: relative;
    z-index: 1;
}

.service-card {
    background: var(--black-soft);
    padding: 3rem 2.5rem;
    border: 2px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    background-image: 
        radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
}


.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.05);
    transition: left 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 0;
}

.service-card:hover::before {
    left: 0;
}

.service-card > * {
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--white);
}

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

.service-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: block;
    filter: grayscale(0%);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    filter: grayscale(0%);
    transform: scale(1.2) rotate(5deg);
}

.service-card h3 {
    font-size: 1.6rem;
    margin-bottom: 1.2rem;
    color: var(--white);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.service-card p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    line-height: 1.7;
    font-size: 1rem;
}

.service-link {
    color: var(--white);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    position: relative;
    padding-bottom: 5px;
}

.service-link::after {
    content: '→';
    font-size: 1.2rem;
    transition: transform 0.4s ease;
    display: inline-block;
    margin-left: 8px;
}

.service-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: currentColor;
    transition: width 0.4s ease;
}

.service-card:hover .service-link::after {
    transform: translateX(5px);
}

.service-card:hover .service-link::before {
    width: 100%;
}

/* ============================================
   Projects Section - Image Gallery with Animations
   ============================================ */
.projects {
    position: relative;
    background-image: 
        radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.02) 0%, transparent 50%);
    background-size: 100% 600px;
}


.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
    position: relative;
    z-index: 1;
}

.project-item {
    position: relative;
    border-radius: 0;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    aspect-ratio: 4/3;
    cursor: pointer;
    background: var(--black);
}

.project-item:hover {
    cursor: pointer;
}

.project-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.7) 100%);
    opacity: 0;
    transition: var(--transition);
    z-index: 2;
}

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

.project-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
    filter: grayscale(0%);
}

.project-item:hover img {
    transform: scale(1.15) rotate(2deg);
    filter: grayscale(0%);
}

.project-item::after {
    content: 'View Project';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    color: white;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    z-index: 3;
    opacity: 0;
    transition: var(--transition);
}

.project-item:hover::after {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

/* ============================================
   Before/After Image Comparison Slider
   ============================================ */
.before-after-slider-container {
    grid-column: 1 / -1;
    margin-bottom: 2rem;
}

.before-after-slider {
    position: relative;
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    height: 500px;
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-lg);
    cursor: grab;
    user-select: none;
}

.before-after-slider:active {
    cursor: grabbing;
}

.before-after-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.before-after-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.after-image {
    clip-path: inset(0 50% 0 0);
    transition: clip-path 0.1s ease-out;
}

.before-after-label {
    position: absolute;
    top: 20px;
    padding: 10px 20px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    z-index: 10;
    border: 2px solid rgba(255, 255, 255, 0.3);
    pointer-events: none;
}

/* From Concept label - only on left image (before-image) - left side */
.before-image .before-label {
    display: block;
    left: 20px;
    right: auto;
}

.before-image .after-label {
    display: none;
}

/* To Reality label - only on right image (after-image) - positioned on right side of visible area */
.after-image .after-label {
    display: block;
    left: 50%;
    right: auto;
    margin-left: 20px;
}

.after-image .before-label {
    display: none;
}

.slider-handle {
    position: absolute;
    top: 0;
    left: 50%;
    width: 4px;
    height: 100%;
    background: var(--white);
    cursor: ew-resize;
    z-index: 20;
    transform: translateX(-50%);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.slider-line {
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    background: var(--white);
    transform: translateX(-50%);
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: var(--white);
    color: var(--black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: bold;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.slider-arrow:hover {
    transform: translateY(-50%) scale(1.1);
    box-shadow: var(--shadow-lg);
}

.left-arrow {
    left: -20px;
}

.right-arrow {
    right: -20px;
}

@media (max-width: 768px) {
    .before-after-slider {
        height: 400px;
    }
    
    .slider-arrow {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .left-arrow {
        left: -17.5px;
    }
    
    .right-arrow {
        right: -17.5px;
    }
}

/* ============================================
   Page Header - Black & White
   ============================================ */
.page-header {
    background: var(--black);
    color: white;
    padding: 140px 0 100px;
    text-align: center;
    margin-top: 70px;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    display: none;
}


.page-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    position: relative;
    z-index: 1;
    animation: pageTitleSlide 1s ease-out;
}

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

.page-subtitle {
    font-size: 1.3rem;
    opacity: 0.9;
    font-weight: 300;
    letter-spacing: 1px;
    position: relative;
    z-index: 1;
    animation: pageSubtitleSlide 1s ease-out 0.3s both;
}

@keyframes pageSubtitleSlide {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 0.9;
        transform: translateY(0);
    }
}

/* ============================================
   Content Sections
   ============================================ */
.content-section {
    max-width: 900px;
    margin: 0 auto;
    background-color: var(--black);
}

.text-content p {
    font-size: 1.15rem;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

/* ============================================
   Values Grid - Black & White
   ============================================ */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.value-card {
    background: var(--black-soft);
    padding: 3rem 2.5rem;
    border: 2px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
    background-image: 
        radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.03) 0%, transparent 70%);
}


.value-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: var(--white);
    transition: height 0.5s ease;
}

.value-card:hover::after {
    height: 100%;
}

.value-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--white);
}

.value-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: block;
    filter: grayscale(0%);
    transition: var(--transition);
}

.value-card:hover .value-icon {
    filter: grayscale(0%);
    transform: scale(1.15) rotate(-5deg);
}

.value-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.2rem;
    color: var(--white);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.value-card p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    font-size: 1rem;
}

/* ============================================
   Service Detail
   ============================================ */
.service-detail {
    max-width: 1000px;
    margin: 0 auto;
    background-color: var(--black);
}

.service-detail-header {
    text-align: center;
    margin-bottom: 4rem;
}

.service-detail-icon {
    font-size: 4.5rem;
    margin-bottom: 1.5rem;
    display: block;
    filter: grayscale(0%);
    transition: var(--transition);
}

.service-detail:hover .service-detail-icon {
    filter: grayscale(0%);
    transform: scale(1.1);
}

.service-images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.service-image-item {
    position: relative;
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    aspect-ratio: 4/3;
    cursor: pointer;
}

.service-image-item:hover {
    transform: translateY(-5px);
    border-color: var(--white);
    box-shadow: var(--shadow-lg);
}

.service-image-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
    filter: grayscale(20%);
}

.service-image-item:hover img {
    transform: scale(1.1);
    filter: grayscale(0%);
}

.service-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-item {
    background: var(--black-soft);
    padding: 2.5rem 2rem;
    border-left: 4px solid var(--white);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.05);
    transition: left 0.4s ease;
    z-index: 0;
}

.service-item:hover::before {
    left: 0;
}

.service-item > * {
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

.service-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.service-item:hover h3,
.service-item:hover p {
    color: var(--white);
}

.service-item h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--white);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.service-item p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    font-size: 1rem;
}

/* ============================================
   Contact Section - Black & White
   ============================================ */
.contact-section {
    max-width: 1200px;
    margin: 0 auto;
    background-color: var(--black);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-wrapper-single {
    max-width: 800px;
    margin: 0 auto;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 800;
}

.contact-info > p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 3rem;
    line-height: 1.8;
    font-size: 1.1rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    align-items: start;
    padding: 1.5rem;
    border: 2px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    position: relative;
}

.contact-item:hover {
    border-color: var(--white);
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
    filter: grayscale(0%);
    transition: var(--transition);
}

.contact-item:hover .contact-icon {
    filter: grayscale(0%);
    transform: scale(1.1);
}

.contact-text h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--white);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-text a,
.contact-text p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    font-size: 1rem;
}

.contact-text a:hover {
    color: var(--white);
    text-decoration: underline;
}

.contact-form-wrapper {
    background: white;
    padding: 3rem;
    border: 2px solid var(--border-color);
    transition: var(--transition);
}

.contact-form-wrapper:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--black);
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: var(--black);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--border-color);
    border-radius: 0;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background: white;
    color: var(--black);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--black);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

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

.form-message {
    margin-top: 1.5rem;
    padding: 1.2rem;
    border-radius: 0;
    display: none;
    border: 2px solid;
    text-align: center;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-message.success {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-color: var(--white);
    display: block;
}

.form-message.error {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-color: var(--white);
    display: block;
}


/* ============================================
   CTA Section - Black & White
   ============================================ */
.cta {
    background: var(--black);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    display: none;
}


.cta-content {
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 900;
}

.cta-content p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    font-weight: 300;
    letter-spacing: 1px;
}

/* ============================================
   Footer - Black & White
   ============================================ */
.footer {
    background: var(--black);
    color: white;
    padding: 5rem 0 2rem;
    position: relative;
    background-image: 
        radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.02) 0%, transparent 50%);
    background-size: 100% 400px;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, white, transparent);
}


.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 0.75rem;
    font-size: 1rem;
}

.footer-section ul {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-section ul a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
    position: relative;
    padding-left: 0;
}

.footer-section ul a::before {
    content: '→';
    position: absolute;
    left: -20px;
    opacity: 0;
    transition: var(--transition);
}

.footer-section ul a:hover {
    color: white;
    padding-left: 20px;
}

.footer-section ul a:hover::before {
    opacity: 1;
    left: 0;
}

.footer-bottom {
    text-align: center;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================
   Advanced Animations
   ============================================ */
.fade-in {
    animation: fadeIn 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-delay {
    animation: fadeIn 1.2s cubic-bezier(0.4, 0, 0.2, 1) 0.3s both;
}

.fade-in-delay-2 {
    animation: fadeIn 1.2s cubic-bezier(0.4, 0, 0.2, 1) 0.6s both;
}

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

[data-aos] {
    opacity: 0;
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(50px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-left"] {
    transform: translateX(-50px);
    opacity: 0;
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
    opacity: 1;
}

[data-aos="fade-right"] {
    transform: translateX(50px);
    opacity: 0;
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
    opacity: 1;
}

[data-aos="scale-up"] {
    transform: scale(0.8);
    opacity: 0;
}

[data-aos="scale-up"].aos-animate {
    transform: scale(1);
    opacity: 1;
}

/* ============================================
   Parallax Effect
   ============================================ */
.parallax {
    transition: transform 0.3s ease-out;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--black);
        flex-direction: column;
        padding: 3rem 2rem;
        box-shadow: var(--shadow-xl);
        transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        border-top: 2px solid var(--white);
    }

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

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .page-title {
        font-size: 2.2rem;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .services-grid,
    .values-grid,
    .service-items {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-padding {
        padding: 60px 0;
    }

    .container {
        padding: 0 15px;
    }

    .section-title {
        font-size: 1.8rem;
    }
}