/* ===== CSS Variables ===== */
:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --dark-bg: #0f172a;
    --dark-secondary: #1e293b;
    --dark-tertiary: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --gradient-1: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-2: linear-gradient(135deg, #ec4899 0%, #8b5cf6 100%);
    --gradient-3: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

/* ===== Preloader ===== */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s, visibility 0.5s;
}

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

.loader {
    width: 50px;
    height: 50px;
    border: 4px solid var(--dark-secondary);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    box-shadow: var(--shadow-md);
}

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

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
}

.logo .highlight {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    position: relative;
    font-weight: 500;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: var(--transition);
}

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

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: var(--transition);
}

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

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 100px 0 50px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    animation: float 20s infinite;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: var(--gradient-1);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    background: var(--gradient-2);
    top: 60%;
    right: 10%;
    animation-delay: 5s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    background: var(--gradient-3);
    bottom: 20%;
    left: 15%;
    animation-delay: 10s;
}

.shape-4 {
    width: 250px;
    height: 250px;
    background: var(--gradient-1);
    top: 40%;
    right: 20%;
    animation-delay: 15s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(30px, -30px) scale(1.1);
    }
    50% {
        transform: translate(-20px, 20px) scale(0.9);
    }
    75% {
        transform: translate(20px, 30px) scale(1.05);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-title .line {
    display: block;
    animation: fadeInUp 0.8s ease-out backwards;
}

.hero-title .line:nth-child(2) {
    animation-delay: 0.2s;
}

.hero-title .line:nth-child(3) {
    animation-delay: 0.4s;
}

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease-out 0.6s backwards;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    animation: fadeInUp 0.8s ease-out 0.8s backwards;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--primary-color);
}

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

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    animation: fadeInUp 0.8s ease-out 1s backwards;
}

.stat-item {
    text-align: center;
}

.stat-item h3 {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.hero-image {
    animation: fadeInRight 1s ease-out 0.5s backwards;
}

.image-wrapper {
    position: relative;
}

.image-wrapper img {
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    width: 100%;
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 1rem 1.5rem;
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    box-shadow: var(--shadow-md);
    animation: floatCard 3s ease-in-out infinite;
}

.floating-card i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.card-1 {
    top: 10%;
    right: -10%;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    left: -10%;
    animation-delay: 1s;
}

.card-3 {
    bottom: 10%;
    right: -5%;
    animation-delay: 2s;
}

@keyframes floatCard {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--primary-color);
    border-radius: 20px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 10px;
    background: var(--primary-color);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(15px);
    }
}

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

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===== Section Styles ===== */
section {
    padding: 100px 0;
}

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

.section-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    border-radius: 50px;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

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

/* ===== Services Section ===== */
.services {
    background: var(--dark-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--dark-bg);
    padding: 2.5rem;
    border-radius: 20px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--dark-tertiary);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-1);
    opacity: 0;
    transition: var(--transition);
}

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

.service-card:hover::before {
    opacity: 0.05;
}

.service-card.featured {
    border: 2px solid var(--primary-color);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
}

.popular-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gradient-1);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
}

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-1);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 2rem;
    color: white;
    transition: var(--transition);
}

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

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.service-card > p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.service-features {
    margin-bottom: 1.5rem;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.service-features i {
    color: var(--primary-color);
    font-size: 0.9rem;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-weight: 600;
    transition: var(--transition);
}

.service-link:hover {
    gap: 1rem;
}

/* ===== About Section ===== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.experience-badge {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: var(--gradient-1);
    padding: 1.5rem 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-md);
}

.experience-badge h3 {
    font-size: 2.5rem;
    margin-bottom: 0.3rem;
}

.experience-badge p {
    font-size: 0.9rem;
}

.about-text .section-badge {
    margin-bottom: 1rem;
}

.about-text .section-title {
    text-align: left;
    margin-bottom: 1.5rem;
}

.about-text > p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.why-choose {
    margin-top: 2rem;
}

.why-choose h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.features-list {
    display: grid;
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    gap: 1rem;
}

.feature-item i {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-top: 0.2rem;
}

.feature-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.feature-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===== Team Section ===== */
.team {
    background: var(--dark-secondary);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2.5rem;
}

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

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

.team-image {
    position: relative;
    overflow: hidden;
    height: 350px;
}

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

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

.team-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(99, 102, 241, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.team-social {
    display: flex;
    gap: 1rem;
}

.team-social a {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: white;
    transition: var(--transition);
    transform: translateY(20px);
}

.team-card:hover .team-social a {
    transform: translateY(0);
}

.team-social a:nth-child(1) {
    transition-delay: 0.1s;
}

.team-social a:nth-child(2) {
    transition-delay: 0.2s;
}

.team-social a:nth-child(3) {
    transition-delay: 0.3s;
}

.team-social a:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-5px);
}

.team-info {
    padding: 1.5rem;
    text-align: center;
}

.team-info h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.team-position {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-style: italic;
}

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

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.8rem 1.5rem;
    background: var(--dark-bg);
    border: 1px solid var(--dark-tertiary);
    color: var(--text-secondary);
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-1);
    color: white;
    border-color: transparent;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

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

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

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

.portfolio-image {
    position: relative;
    overflow: hidden;
    height: 250px;
}

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

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

.portfolio-info {
    padding: 2rem;
}

.portfolio-category {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.portfolio-info h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.portfolio-info > p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.portfolio-tech {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.portfolio-tech span {
    padding: 0.4rem 0.8rem;
    background: var(--dark-secondary);
    border-radius: 5px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ===== Testimonials Section ===== */
.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.testimonial-card {
    background: var(--dark-secondary);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--dark-tertiary);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stars {
    display: flex;
    gap: 0.3rem;
    margin-bottom: 1.5rem;
    color: #fbbf24;
}

.testimonial-text {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
}

.testimonial-author h4 {
    margin-bottom: 0.2rem;
}

.testimonial-author p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.slider-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
}

.slider-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--dark-secondary);
    border: 1px solid var(--dark-tertiary);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.slider-dots {
    display: flex;
    gap: 0.5rem;
}

/* ===== Contact Section ===== */
.contact {
    background: var(--dark-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.contact-info > p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-item h4 {
    margin-bottom: 0.3rem;
}

.contact-item p {
    color: var(--text-secondary);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 45px;
    height: 45px;
    background: var(--dark-bg);
    border: 1px solid var(--dark-tertiary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--gradient-1);
    border-color: transparent;
    transform: translateY(-3px);
}

.contact-form {
    background: var(--dark-bg);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--dark-tertiary);
}

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

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

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

.form-group label {
    position: absolute;
    top: 1rem;
    left: 1rem;
    color: var(--text-secondary);
    pointer-events: none;
    transition: var(--transition);
}

.form-group input:focus + label,
.form-group input:valid + label,
.form-group textarea:focus + label,
.form-group textarea:valid + label {
    top: -0.8rem;
    left: 0.8rem;
    font-size: 0.85rem;
    background: var(--dark-bg);
    padding: 0 0.5rem;
    color: var(--primary-color);
}

.contact-form .btn-primary {
    width: 100%;
    justify-content: center;
}

/* ===== Footer ===== */
.footer {
    background: var(--dark-bg);
    padding: 3rem 0 1rem;
    border-top: 1px solid var(--dark-tertiary);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-col h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-col h4 {
    margin-bottom: 1rem;
}

.footer-col p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.footer-col ul li {
    margin-bottom: 0.8rem;
}

.footer-col ul li a {
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--primary-color);
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.8rem 1rem;
    background: var(--dark-secondary);
    border: 1px solid var(--dark-tertiary);
    border-radius: 10px;
    color: var(--text-primary);
}

.newsletter-form button {
    padding: 0.8rem 1.2rem;
    background: var(--gradient-1);
    border: none;
    border-radius: 10px;
    color: white;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    transform: scale(1.05);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--dark-tertiary);
    color: var(--text-secondary);
}

/* ===== Scroll to Top ===== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-1);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

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

.scroll-top:hover {
    transform: translateY(-5px);
}

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

    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 100%;
        max-width: 300px;
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
    }

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

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

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

    .hero-image {
        order: -1;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

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

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

    .section-title {
        font-size: 2rem;
    }

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

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

    .hero-buttons {
        flex-direction: column;
    }

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

    .floating-card {
        display: none;
    }
}