/* ===== CSS Variables ===== */
:root {
    /* Dark Theme (Default) */
    --primary-color: #00d9ff;
    --secondary-color: #9d4edd;
    --accent-color: #ff5400;
    --success-color: #00ff88;
    --warning-color: #ffaa00;
    --danger-color: #ff375f;
    
    --dark-bg: #0a0a0a;
    --dark-card: #1a1b1e;
    --dark-text: #e4e6eb;
    --dark-border: #2d2f34;
    --dark-muted: #8a8f98;
    
    --light-bg: #f8f9fa;
    --light-card: #ffffff;
    --light-text: #121212;
    --light-border: #e0e0e0;
    --light-muted: #6c757d;
    
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-dark: linear-gradient(135deg, #1a1b1e, #2d2f34);
    --gradient-light: linear-gradient(135deg, #ffffff, #f8f9fa);
    
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 5px 20px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.3);
    --shadow-primary: 0 5px 20px rgba(0, 217, 255, 0.3);
    
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
    --border-radius-xl: 30px;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --font-heading: 'Orbitron', 'Montserrat', sans-serif;
    --font-body: 'Poppins', sans-serif;
    --font-mono: 'Courier New', monospace;
    
    --container-width: 1200px;
    --section-spacing: 100px;
}

[data-theme="light"] {
    --dark-bg: var(--light-bg);
    --dark-card: var(--light-card);
    --dark-text: var(--light-text);
    --dark-border: var(--light-border);
    --dark-muted: var(--light-muted);
    
    --light-bg: var(--dark-bg);
    --light-card: var(--dark-card);
    --light-text: var(--dark-text);
    --light-border: var(--dark-border);
    --light-muted: var(--dark-muted);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    background-color: var(--dark-bg);
    color: var(--dark-text);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

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

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

.highlight {
    color: var(--primary-color);
    position: relative;
    display: inline-block;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 8px;
    background-color: var(--primary-color);
    opacity: 0.2;
    z-index: -1;
    border-radius: 4px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 28px;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-normal);
    z-index: -1;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--dark-bg);
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 217, 255, 0.4);
}

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

.btn-outline:hover {
    background: rgba(0, 217, 255, 0.1);
    transform: translateY(-3px);
}

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

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
    max-width: 300px;
}

.loading-logo {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.loading-bar {
    width: 100%;
    height: 4px;
    background: var(--dark-border);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 15px;
}

.loading-progress {
    width: 0%;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.loading-text {
    font-size: 14px;
    color: var(--dark-muted);
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(26, 27, 30, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--dark-border);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--dark-text);
    text-decoration: none;
    font-weight: 500;
    padding: 10px 0;
    position: relative;
    transition: color var(--transition-normal);
}

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

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

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

.nav-controls {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Theme Toggle */
.theme-toggle {
    position: relative;
}

.theme-checkbox {
    display: none;
}

.theme-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 60px;
    height: 30px;
    background: var(--dark-card);
    border-radius: 50px;
    padding: 5px;
    cursor: pointer;
    position: relative;
    border: 2px solid var(--dark-border);
}

.theme-label i {
    font-size: 14px;
    z-index: 1;
}

.theme-label .fa-sun {
    color: var(--warning-color);
}

.theme-label .fa-moon {
    color: var(--primary-color);
}

.theme-ball {
    position: absolute;
    width: 22px;
    height: 22px;
    background: var(--gradient-primary);
    border-radius: 50%;
    top: 50%;
    left: 4px;
    transform: translateY(-50%);
    transition: transform var(--transition-normal);
}

.theme-checkbox:checked + .theme-label .theme-ball {
    transform: translate(26px, -50%);
}

/* Language Selector */
.language-selector {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--dark-card);
    border: 2px solid var(--dark-border);
    border-radius: var(--border-radius-sm);
    color: var(--dark-text);
    font-family: var(--font-body);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
}

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

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 10px;
    background: var(--dark-card);
    border: 2px solid var(--dark-border);
    border-radius: var(--border-radius-sm);
    min-width: 180px;
    display: none;
    flex-direction: column;
    z-index: 100;
    box-shadow: var(--shadow-lg);
}

.lang-dropdown.show {
    display: flex;
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: none;
    border: none;
    color: var(--dark-text);
    font-family: var(--font-body);
    cursor: pointer;
    transition: background var(--transition-normal);
    text-align: left;
}

.lang-option:hover {
    background: rgba(0, 217, 255, 0.1);
}

.lang-option.active {
    background: rgba(0, 217, 255, 0.15);
    color: var(--primary-color);
}

.lang-flag {
    font-size: 20px;
}

/* Mobile Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.toggle-line {
    width: 100%;
    height: 2px;
    background: var(--dark-text);
    transition: transform var(--transition-normal), opacity var(--transition-normal);
}

/* ===== Hero Section ===== */
.hero {
    padding-top: 120px;
    padding-bottom: var(--section-spacing);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--primary-color) 0%, transparent 70%);
    opacity: 0.05;
    z-index: 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    padding: 8px 20px;
    background: rgba(0, 217, 255, 0.1);
    border: 1px solid rgba(0, 217, 255, 0.3);
    border-radius: 50px;
    margin-bottom: 30px;
}

.badge-text {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
    letter-spacing: 1px;
}

.hero-title {
    font-size: 48px;
    margin-bottom: 30px;
}

.title-line {
    display: block;
}

.hero-description {
    font-size: 18px;
    color: var(--dark-muted);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 50px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

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

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-text {
    font-size: 14px;
    color: var(--dark-muted);
}

/* Avatar */
.avatar-container {
    position: relative;
    width: 400px;
    height: 400px;
    margin: 0 auto;
}

.avatar-main {
    position: relative;
    width: 100%;
    height: 100%;
    background: var(--gradient-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 4px solid var(--dark-border);
    box-shadow: var(--shadow-lg);
}

.avatar-face {
    position: relative;
    width: 60%;
    height: 60%;
    background: var(--dark-card);
    border-radius: 50%;
    border: 3px solid var(--primary-color);
}

.avatar-eye {
    position: absolute;
    width: 30px;
    height: 40px;
    background: var(--dark-text);
    border-radius: 50%;
    top: 35%;
    border: 3px solid var(--primary-color);
}

.avatar-eye.left {
    left: 25%;
}

.avatar-eye.right {
    right: 25%;
}

.avatar-mouth {
    position: absolute;
    bottom: 25%;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 20px;
    background: var(--accent-color);
    border-radius: 0 0 30px 30px;
    border: 3px solid var(--accent-color);
    border-top: none;
}

.avatar-hair {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 70%;
    height: 80px;
    background: var(--dark-text);
    border-radius: 50% 50% 0 0;
    border: 4px solid var(--dark-border);
    border-bottom: none;
}

.avatar-accessory {
    position: absolute;
    top: 15%;
    right: 15%;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--dark-bg);
    border: 3px solid var(--dark-border);
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.5);
}

.avatar-glow {
    position: absolute;
    top: -20%;
    left: -20%;
    width: 140%;
    height: 140%;
    background: radial-gradient(circle, transparent 30%, rgba(0, 217, 255, 0.1) 70%);
    border-radius: 50%;
    animation: glow 3s infinite alternate;
}

@keyframes glow {
    0% { opacity: 0.3; }
    100% { opacity: 0.7; }
}

.decoration-ring {
    position: absolute;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
    opacity: 0.3;
}

.ring-1 {
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    animation: spin 20s linear infinite;
}

.ring-2 {
    top: -40px;
    left: -40px;
    right: -40px;
    bottom: -40px;
    animation: spin 15s linear infinite reverse;
}

.ring-3 {
    top: -60px;
    left: -60px;
    right: -60px;
    bottom: -60px;
    animation: spin 25s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.float-element {
    position: absolute;
    width: 50px;
    height: 50px;
    background: var(--dark-card);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary-color);
    border: 2px solid var(--dark-border);
    animation: float 6s ease-in-out infinite;
}

.el-1 {
    top: 10%;
    left: 5%;
    animation-delay: 0s;
}

.el-2 {
    top: 20%;
    right: 10%;
    animation-delay: 1s;
}

.el-3 {
    bottom: 30%;
    left: 15%;
    animation-delay: 2s;
}

.el-4 {
    bottom: 20%;
    right: 5%;
    animation-delay: 3s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(10deg); }
}

/* ===== About Section ===== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 42px;
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--dark-muted);
    max-width: 600px;
    margin: 0 auto;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.about-card {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius-lg);
    padding: 40px 30px;
    text-align: center;
    transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.about-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
}

.about-icon {
    width: 80px;
    height: 80px;
    background: rgba(0, 217, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 32px;
    color: var(--primary-color);
}

.about-card-title {
    font-size: 24px;
    margin-bottom: 15px;
}

.about-card-text {
    color: var(--dark-muted);
    line-height: 1.7;
}

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

.about-text h3 {
    font-size: 28px;
    margin-bottom: 20px;
}

.about-text p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--dark-muted);
}

.about-image .image-placeholder {
    width: 100%;
    height: 300px;
    background: var(--gradient-dark);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    color: var(--primary-color);
    border: 2px solid var(--dark-border);
}

/* ===== Skills Section ===== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.skill-category {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    transition: transform var(--transition-normal);
}

.skill-category:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
}

.category-icon {
    width: 50px;
    height: 50px;
    background: rgba(0, 217, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary-color);
}

.category-title {
    font-size: 24px;
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.skill-item {
    width: 100%;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.skill-name {
    font-weight: 500;
}

.skill-percent {
    font-weight: 600;
    color: var(--primary-color);
}

.skill-bar {
    width: 100%;
    height: 8px;
    background: var(--dark-border);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    width: 0%;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    transition: width 1.5s ease-out;
}

/* ===== Services Section ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius-lg);
    padding: 40px 30px;
    position: relative;
    transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
}

.service-card.highlight {
    border-color: var(--primary-color);
    background: rgba(0, 217, 255, 0.05);
}

.service-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: var(--dark-bg);
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.service-icon {
    width: 70px;
    height: 70px;
    background: rgba(0, 217, 255, 0.1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    font-size: 32px;
    color: var(--primary-color);
}

.service-title {
    font-size: 24px;
    margin-bottom: 15px;
}

.service-description {
    color: var(--dark-muted);
    margin-bottom: 25px;
    line-height: 1.7;
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: 8px 0;
    border-bottom: 1px dashed var(--dark-border);
    color: var(--dark-text);
    position: relative;
    padding-left: 25px;
}

.service-features li:last-child {
    border-bottom: none;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* ===== Pricing Section ===== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.pricing-card {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius-lg);
    padding: 40px 30px;
    position: relative;
    transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.pricing-card:hover {
    transform: translateY(-10px);
}

.pricing-card.popular {
    border-color: var(--primary-color);
    background: rgba(0, 217, 255, 0.05);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: var(--dark-bg);
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pricing-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--dark-border);
}

.pricing-title {
    font-size: 24px;
    margin-bottom: 15px;
}

.pricing-price {
    margin-bottom: 10px;
}

.currency {
    font-size: 24px;
    vertical-align: top;
    color: var(--primary-color);
}

.amount {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary-color);
}

.period {
    font-size: 16px;
    color: var(--dark-muted);
}

.pricing-description {
    color: var(--dark-muted);
    font-size: 14px;
}

.pricing-features {
    list-style: none;
    margin-bottom: 40px;
}

.pricing-features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--dark-border);
    color: var(--dark-text);
    position: relative;
    padding-left: 30px;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

.pricing-features li.disabled {
    color: var(--dark-muted);
}

.pricing-features li.disabled::before {
    content: '✗';
    color: var(--danger-color);
}

.pricing-btn {
    width: 100%;
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.info-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius-lg);
    transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.info-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.info-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 217, 255, 0.1);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary-color);
}

.info-content h3 {
    font-size: 18px;
    margin-bottom: 5px;
    color: var(--primary-color);
}

.info-content p {
    color: var(--dark-text);
}

.contact-social {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-link {
    width: 50px;
    height: 50px;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--dark-text);
    text-decoration: none;
    transition: all var(--transition-normal);
}

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

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

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

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 15px;
    background: transparent;
    border: 2px solid var(--dark-border);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-body);
    font-size: 16px;
    color: var(--dark-text);
    transition: border-color var(--transition-normal);
}

.form-group select {
    appearance: none;
    cursor: pointer;
}

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

.form-group label {
    position: absolute;
    left: 15px;
    top: 15px;
    padding: 0 5px;
    background: var(--dark-card);
    color: var(--dark-muted);
    font-size: 16px;
    pointer-events: none;
    transition: all var(--transition-normal);
}

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

.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group select:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label,
.form-group select:not([value=""]) + label {
    top: -10px;
    font-size: 12px;
    color: var(--primary-color);
    background: var(--dark-card);
}

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

/* ===== Footer ===== */
.footer {
    background: var(--dark-card);
    border-top: 2px solid var(--dark-border);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 50px;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 800;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.footer-description {
    color: var(--dark-muted);
    line-height: 1.7;
}

.footer-links h3,
.footer-newsletter h3 {
    font-size: 20px;
    margin-bottom: 25px;
    color: var(--primary-color);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--dark-text);
    text-decoration: none;
    transition: color var(--transition-normal);
    display: inline-block;
}

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

.footer-newsletter p {
    color: var(--dark-muted);
    margin-bottom: 20px;
}

.newsletter-form {
    display: flex;
    gap: 10px;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 15px;
    background: transparent;
    border: 2px solid var(--dark-border);
    border-radius: var(--border-radius-sm);
    color: var(--dark-text);
    font-family: var(--font-body);
}

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

.newsletter-form button {
    padding: 12px 25px;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--border-radius-sm);
    color: var(--dark-bg);
    font-family: var(--font-body);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.newsletter-form button:hover {
    transform: translateY(-2px);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--dark-border);
    text-align: center;
}

.copyright {
    color: var(--dark-muted);
    font-size: 14px;
}

/* ===== Back to Top ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: var(--dark-bg);
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 217, 255, 0.4);
}

/* ===== Responsive Styles ===== */
@media (max-width: 1200px) {
    .hero-title {
        font-size: 42px;
    }
    
    .avatar-container {
        width: 350px;
        height: 350px;
    }
}

@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-description {
        margin: 0 auto 40px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--dark-bg);
        flex-direction: column;
        justify-content: flex-start;
        padding: 40px 20px;
        gap: 30px;
        transition: left var(--transition-normal);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        width: 100%;
        align-items: center;
    }
    
    .nav-controls {
        justify-content: center;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active .toggle-line:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .nav-toggle.active .toggle-line:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .toggle-line:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
}

@media (max-width: 768px) {
    :root {
        --section-spacing: 80px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .avatar-container {
        width: 300px;
        height: 300px;
    }
    
    .about-grid,
    .skills-grid,
    .services-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 32px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .avatar-container {
        width: 250px;
        height: 250px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
    
    .info-card {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }
}

/* ===== Print Styles ===== */
@media print {
    .loading-screen,
    .nav-toggle,
    .nav-controls,
    .back-to-top,
    .contact-form,
    .newsletter-form,
    .social-link {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .container {
        max-width: 100%;
    }
    
    .section-padding {
        padding: 50px 0;
    }
    
    a {
        color: black !important;
        text-decoration: none;
    }
}