/* CSS Variables - Dark Theme (Default) */
:root {
    --primary: #1A1A1A;
    --secondary: #2D2D2D;
    --accent: #FF8C00;
    --highlight: #FFD700;
    --text: #FFFFFF;
    --text-secondary: rgba(255, 255, 255, 0.8);
    --text-tertiary: rgba(255, 255, 255, 0.7);
    --subtle: #404040;
    --border: #404040;
    --card-bg: #2D2D2D;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --accent-gradient: linear-gradient(135deg, var(--accent) 0%, var(--highlight) 100%);
    
    /* Light Theme Colors */
    --light-primary: #FFFFFF;
    --light-secondary: #F8F9FA;
    --light-accent: #E67E22;
    --light-highlight: #F39C12;
    --light-text: #1A1A1A;
    --light-text-secondary: rgba(26, 26, 26, 0.8);
    --light-text-tertiary: rgba(26, 26, 26, 0.7);
    --light-subtle: #E9ECEF;
    --light-border: #DEE2E6;
    --light-card-bg: #FFFFFF;
    --light-gradient: linear-gradient(135deg, var(--light-primary) 0%, var(--light-secondary) 100%);
    
    /* Fonts */
    --font-primary: 'Inter', sans-serif;
    --font-secondary: 'Poppins', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-padding: 0 20px;
    
    /* Animations */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --theme-transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Navigation Grid Layout Variables */
    --nav-grid-template: auto 1fr auto auto auto;
    --nav-grid-areas: "logo menu theme-btn lang-btn nav-toggle";
    --nav-padding: 20px;
    --nav-gap: 15px;
    
    /* Button Positioning Variables */
    --lang-btn-top: 15px;
    --lang-btn-right: 20px;
    --theme-btn-top: 15px;
    --theme-btn-left: 20px;
}

/* Light Theme Variables */
[data-theme="light"] {
    --primary: var(--light-primary);
    --secondary: var(--light-secondary);
    --accent: var(--light-accent);
    --highlight: var(--light-highlight);
    --text: var(--light-text);
    --text-secondary: var(--light-text-secondary);
    --text-tertiary: var(--light-text-tertiary);
    --subtle: var(--light-subtle);
    --border: var(--light-border);
    --card-bg: var(--light-card-bg);
    --gradient: var(--light-gradient);
    --accent-gradient: linear-gradient(135deg, var(--light-accent) 0%, var(--light-highlight) 100%);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: var(--theme-transition);
}

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

body {
    font-family: var(--font-primary);
    background: var(--primary);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    transition: var(--theme-transition);
}

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

/* Theme Toggle */
.theme-toggle {
    grid-area: theme-btn;
    justify-self: end;
    z-index: 1002;
    transition: var(--theme-transition);
}

.theme-btn {
    background: var(--card-bg);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 10px;
    border-radius: 50%;
    width: 45px;
    height: 45px;
    font-family: var(--font-primary);
    font-weight: 500;
    cursor: pointer;
    transition: var(--theme-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.theme-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 140, 0, 0.3);
}

.theme-btn i {
    transition: var(--theme-transition);
}

/* Theme transition animations */
.theme-btn.switching {
    transform: rotate(180deg);
}

/* Language Toggle */
.language-toggle {
    grid-area: lang-btn;
    justify-self: end;
    z-index: 1002;
    transition: var(--theme-transition);
}

.lang-btn {
    background: var(--secondary);
    border: 1px solid var(--subtle);
    color: var(--text);
    padding: 8px 12px;
    border-radius: 20px;
    font-family: var(--font-primary);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    min-width: 60px;
    justify-content: center;
}

.lang-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    transform: translateY(-2px);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    transition: var(--theme-transition);
}

[data-theme="light"] .navbar {
    background: rgba(248, 249, 250, 0.95);
}

.navbar.scrolled {
    background: rgba(26, 26, 26, 0.98);
    box-shadow: 0 2px 20px rgba(255, 140, 0, 0.1);
}

[data-theme="light"] .navbar.scrolled {
    background: rgba(248, 249, 250, 0.98);
    box-shadow: 0 2px 20px rgba(230, 126, 34, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--nav-padding, 20px);
    display: grid;
    grid-template-columns: var(--nav-grid-template);
    grid-template-areas: var(--nav-grid-areas);
    align-items: center;
    gap: var(--nav-gap, 20px);
    position: relative;
    min-height: 40px;
}

.nav-logo {
    grid-area: logo;
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-secondary);
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--text);
    text-decoration: none;
    transition: var(--theme-transition);
}

.nav-logo:hover {
    color: var(--accent);
    transform: translateY(-1px);
}

.nav-logo img {
    width: 32px;
    height: 32px;
}

.nav-menu {
    grid-area: menu;
    display: flex;
    gap: 30px;
    justify-self: center;
}

.nav-link {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: var(--theme-transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: var(--transition);
}

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

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

.nav-toggle {
    grid-area: nav-toggle;
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
    justify-self: end;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text);
    transition: var(--transition);
}

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

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

.floating-element {
    position: absolute;
    border-radius: 50%;
    background: var(--accent-gradient);
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.fe-1 {
    width: 200px;
    height: 200px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.fe-2 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 10%;
    animation-delay: 2s;
}

.fe-3 {
    width: 100px;
    height: 100px;
    bottom: 20%;
    left: 60%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(120deg); }
    66% { transform: translateY(10px) rotate(240deg); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-family: var(--font-secondary);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.5s forwards;
}

.title-line {
    display: block;
}

.title-line.accent {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.7s forwards;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.9s forwards;
}

.btn {
    display: inline-block;
    padding: 15px 30px;
    font-family: var(--font-primary);
    font-weight: 500;
    text-decoration: none;
    border-radius: 30px;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--accent-gradient);
    color: var(--primary);
    font-weight: 600;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 140, 0, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text);
    border-color: var(--accent);
}

.btn-secondary:hover {
    background: var(--accent);
    color: var(--primary);
    transform: translateY(-3px);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    animation: fadeIn 1s ease-out 1.5s forwards;
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    border: 2px solid var(--accent);
    border-top: none;
    border-left: none;
    transform: rotate(45deg);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) rotate(45deg); }
    40% { transform: translateY(-10px) rotate(45deg); }
    60% { transform: translateY(-5px) rotate(45deg); }
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Section Styles */
section {
    padding: var(--section-padding);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-family: var(--font-secondary);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    margin-bottom: 20px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-tertiary);
    max-width: 600px;
    margin: 0 auto;
}

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

/* Light theme section backgrounds */
[data-theme="light"] .about {
    background: var(--secondary);
}

[data-theme="light"] .portfolio {
    background: var(--secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
    align-items: center;
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
}

.about-text p {
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.stat-card {
    text-align: center;
    padding: 30px;
    background: var(--card-bg);
    border-radius: 15px;
    border: 1px solid var(--border);
    transition: var(--theme-transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 10px 30px rgba(255, 140, 0, 0.1);
}

.stat-number {
    font-family: var(--font-secondary);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--card-bg);
    padding: 40px 30px;
    border-radius: 20px;
    border: 1px solid var(--border);
    transition: var(--theme-transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: var(--transition);
}

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

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
    box-shadow: 0 20px 40px rgba(255, 140, 0, 0.1);
}

.service-icon {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 20px;
}

.service-card h3 {
    font-family: var(--font-secondary);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text);
}

.service-card p {
    color: var(--text-tertiary);
    line-height: 1.6;
}

/* Portfolio Section */
.portfolio {
    background: var(--secondary);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.portfolio-card {
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--theme-transition);
}

.portfolio-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(255, 140, 0, 0.15);
}

.portfolio-image {
    height: 250px;
    background: var(--gradient);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    transition: var(--transition);
}

.portfolio-card:hover .portfolio-image img {
    transform: scale(1.02);
}

/* Portfolio Carousel Styles */
.portfolio-carousel {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
    touch-action: pan-y;
}

.carousel-container {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(0);
    will-change: transform;
}

.carousel-slide {
    min-width: 100%;
    flex-shrink: 0;
    height: 100%;
    position: relative;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    background: var(--gradient);
}

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

.carousel-slide img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    object-position: center;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 140, 0, 0.9);
    border: none;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: var(--transition);
    z-index: 2;
    opacity: 0;
}

.portfolio-card:hover .carousel-btn {
    opacity: 1;
}

.carousel-prev {
    left: 15px;
}

.carousel-next {
    right: 15px;
}

.carousel-btn:hover {
    background: var(--accent);
    transform: translateY(-50%) scale(1.1);
}

.carousel-indicators {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 2;
    opacity: 0;
    transition: var(--transition);
}

.portfolio-card:hover .carousel-indicators {
    opacity: 1;
}

.indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition);
}

.indicator.active {
    background: var(--accent);
    transform: scale(1.2);
}

.indicator:hover {
    background: rgba(255, 140, 0, 0.8);
}

/* Portfolio Modal */
.portfolio-modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.8);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
}

.portfolio-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: transparent;
}

.modal-dialog {
    position: relative;
    background: var(--card-bg);
    border-radius: 22px;
    padding: 60px 35px 35px;
    width: min(1000px, 95vw);
    max-height: 92vh;
    display: flex;
    flex-direction: column;
    gap: 20px;
    border: 1px solid var(--border);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 3;
}

.modal-close:hover {
    background: var(--accent);
    color: var(--primary);
}

.modal-carousel {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: 18px;
    background: var(--gradient);
    padding: 10px;
}

.modal-carousel-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

.modal-slide {
    min-width: 100%;
    height: clamp(240px, 60vh, 520px);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    border-radius: 12px;
}

.modal-slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 12px;
}

.modal-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.15);
    color: var(--text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: var(--transition);
}

.modal-prev {
    left: 15px;
}

.modal-next {
    right: 15px;
}

.modal-nav:hover {
    background: var(--accent);
    color: var(--primary);
}

.modal-indicators {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.modal-indicators .indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.modal-indicators .indicator.active {
    background: var(--accent);
    transform: scale(1.2);
}

.modal-indicators .indicator:hover {
    background: rgba(255, 255, 255, 0.7);
}

@media (max-width: 768px) {
    .modal-dialog {
        padding: 55px 20px 25px;
        border-radius: 18px;
    }

    .modal-slide {
        height: clamp(200px, 55vh, 400px);
    }

    .modal-nav {
        width: 38px;
        height: 38px;
    }
}

@media (max-width: 480px) {
    .modal-dialog {
        padding: 50px 15px 20px;
        border-radius: 16px;
    }

    .modal-slide {
        height: clamp(180px, 50vh, 320px);
    }
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 26, 26, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.portfolio-actions {
    display: flex;
    gap: 15px;
}

.portfolio-btn {
    width: 50px;
    height: 50px;
    border: 2px solid var(--accent);
    background: transparent;
    color: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio-btn:hover {
    background: var(--accent);
    color: var(--primary);
    transform: scale(1.1);
}

.portfolio-content {
    padding: 30px;
}

.portfolio-content h3 {
    font-family: var(--font-secondary);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text);
}

.portfolio-content p {
    color: var(--text-tertiary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    background: var(--border);
    color: var(--text);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-family: var(--font-mono);
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--primary);
}

.contact-details h4 {
    font-family: var(--font-secondary);
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--text);
}

.contact-details p {
    color: var(--text-tertiary);
}

.contact-form {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--border);
}

.form-group {
    position: relative;
    margin-bottom: 30px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    background: var(--primary);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--theme-transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(255, 140, 0, 0.1);
}

.form-group label {
    position: absolute;
    top: 15px;
    left: 20px;
    color: var(--text-tertiary);
    font-size: 1rem;
    transition: var(--theme-transition);
    pointer-events: none;
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -10px;
    left: 15px;
    font-size: 0.8rem;
    color: var(--accent);
    background: var(--secondary);
    padding: 0 5px;
}

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

/* Footer */
.footer {
    background: var(--primary);
    border-top: 1px solid var(--subtle);
    padding: 50px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 30px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-secondary);
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--text);
}

.footer-logo img {
    width: 32px;
    height: 32px;
}

.footer-links {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-tertiary);
    text-decoration: none;
    transition: var(--theme-transition);
}

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

.footer-social {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--secondary);
    color: var(--text);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    color: var(--text-tertiary);
}

/* Responsive Design */
@media (max-width: 1024px) {
    :root {
        --lang-btn-top: 15px;
        --lang-btn-right: 15px;
    }
    
    .nav-menu {
        gap: 20px;
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* Very small screens - Optimize spacing */
@media (max-width: 480px) {
    :root {
        --nav-grid-template: 1fr auto auto auto;
        --nav-grid-areas: "logo nav-toggle theme-btn lang-btn";
        --nav-gap: 3px;
        --nav-padding: 8px;
    }
    
    .nav-logo span {
        display: none;
    }
    
    .theme-btn {
        width: 35px;
        height: 35px;
        font-size: 0.8rem;
        padding: 6px;
    }
    
    .lang-btn {
        padding: 5px 8px;
        font-size: 0.75rem;
        min-width: 40px;
        gap: 2px;
    }
    
    .lang-btn span {
        display: none;
    }
    
    .lang-btn i {
        font-size: 0.9rem;
    }
}

/* Large tablets and small desktops */
@media (max-width: 1200px) {
    :root {
        --nav-grid-template: auto 1fr auto auto auto;
        --nav-grid-areas: "logo menu theme-btn lang-btn nav-toggle";
        --nav-gap: 10px;
        --nav-padding: 15px;
    }
}

/* Medium tablets */
@media (max-width: 900px) {
    :root {
        --nav-grid-template: auto auto auto auto auto;
        --nav-grid-areas: "logo theme-btn lang-btn nav-toggle menu";
        --nav-gap: 8px;
        --nav-padding: 10px;
    }
    
    .nav-menu {
        grid-area: menu;
        justify-self: end;
        gap: 20px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
        --nav-grid-template: auto 1fr auto auto auto;
        --nav-grid-areas: "logo nav-toggle theme-btn lang-btn menu";
        --nav-gap: 5px;
        --nav-padding: 10px;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        display: none;
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(26, 26, 26, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: 50px 0;
        transition: var(--theme-transition);
        z-index: 1001;
    }
    
    .nav-menu.active {
        display: flex;
        left: 0;
    }
    
    .theme-btn {
        width: 40px;
        height: 40px;
        font-size: 0.9rem;
        padding: 8px;
    }
    
    .lang-btn {
        padding: 6px 10px;
        font-size: 0.8rem;
        min-width: 50px;
        gap: 4px;
    }
    
    .nav-container {
        padding: 0 15px;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(26, 26, 26, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: 50px 0;
        transition: var(--theme-transition);
        z-index: 1001;
    }
    
    [data-theme="light"] .nav-menu {
        background: rgba(248, 249, 250, 0.98);
        border-top: 1px solid var(--border);
    }
    
    /* Mobile menu link spacing and visibility */
    @media (max-width: 768px) {
        .nav-link {
            padding: 15px 0;
            font-size: 1.1rem;
            border-bottom: 1px solid transparent;
        }
        
        .nav-link:hover {
            border-bottom-color: var(--accent);
        }
        
        [data-theme="light"] .nav-link {
            color: var(--text);
        }
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .about-content {
        gap: 40px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    :root {
        --lang-btn-top: 10px;
        --lang-btn-right: 75px;
    }
    
    .lang-btn {
        padding: 5px 8px;
        font-size: 0.75rem;
        min-width: 45px;
        gap: 3px;
    }
    
    .nav-container {
        padding: 0 10px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
    
    .service-card,
    .contact-form {
        padding: 30px 20px;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease-out;
}

.slide-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease-out;
}

.slide-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Loading Animation */
.loading {
    opacity: 0.5;
    pointer-events: none;
}

/* Success Message */
.success-message {
    background: #22c55e;
    color: white;
    padding: 15px;
    border-radius: 8px;
    margin-top: 15px;
    text-align: center;
    font-weight: 500;
}

.error-message {
    background: #ef4444;
    color: white;
    padding: 15px;
    border-radius: 8px;
    margin-top: 15px;
    text-align: center;
    font-weight: 500;
}