/* ============================================
   ALTRON IT COMPANY — DESIGN SYSTEM
   Dark Theme with Premium Animations
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    /* Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-tertiary: #16161f;
    --bg-card: #1a1a25;
    --bg-card-hover: #1f1f2e;
    
    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b8;
    --text-muted: #6b6b80;
    
    --accent-purple: #6C63FF;
    --accent-cyan: #00D4FF;
    --accent-green: #44CF6C;
    --accent-pink: #FF6B95;
    --accent-yellow: #FFD93D;
    --accent-orange: #FF8C42;
    
    --gradient-primary: linear-gradient(135deg, #6C63FF, #00D4FF);
    --gradient-secondary: linear-gradient(135deg, #FF6B95, #C850C0);
    --gradient-dark: linear-gradient(180deg, #0a0a0f 0%, #111118 100%);
    
    --border-color: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(108, 99, 255, 0.3);
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(108, 99, 255, 0.15);
    
    /* Spacing */
    --section-padding: 120px;
    --container-max: 1440px;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: rgba(108, 99, 255, 0.3);
    color: var(--text-primary);
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Cursor Glow Effect --- */
.cursor-glow {
    position: fixed;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(108, 99, 255, 0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s ease;
    opacity: 0;
}

body:hover .cursor-glow {
    opacity: 1;
}

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

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition-smooth);
    background: transparent;
}

.navbar.scrolled {
    padding: 10px 0;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.navbar.menu-open {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 1001;
}

.logo-icon {
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-full-img {
    height: 52px;
    width: auto;
    display: block;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: rgba(108, 99, 255, 0.1);
}

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

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 2px;
    margin-left: 12px;
    padding: 3px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 10px;
}

.lang-btn {
    padding: 6px 10px;
    border-radius: 7px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: var(--transition-fast);
}

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

.lang-btn.active {
    background: var(--gradient-primary);
    color: #fff;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

.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(5px, -5px);
}

/* --- Section Common Styles --- */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: rgba(108, 99, 255, 0.1);
    color: var(--accent-purple);
    border: 1px solid rgba(108, 99, 255, 0.2);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-description {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 550px;
    margin: 0 auto;
    line-height: 1.7;
}

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

/* --- Animations --- */
.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.45s; }
.delay-4 { animation-delay: 0.6s; }

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(108, 99, 255, 0.2); }
    50% { box-shadow: 0 0 40px rgba(108, 99, 255, 0.4); }
}

@keyframes spin-slow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

@keyframes scroll-line {
    0% { transform: translateY(0); opacity: 0; }
    30% { opacity: 1; }
    100% { transform: translateY(20px); opacity: 0; }
}

/* Scroll reveal animation */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(108, 99, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(108, 99, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 40%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 40%, transparent 100%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    background: rgba(108, 99, 255, 0.08);
    border: 1px solid rgba(108, 99, 255, 0.2);
    color: var(--accent-cyan);
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-green);
    animation: blink 2s ease-in-out infinite;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    font-weight: 900;
    letter-spacing: -0.04em;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 36px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: var(--font-primary);
    cursor: pointer;
    border: none;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(108, 99, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(108, 99, 255, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

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

/* --- Hero Stats --- */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number-row {
    display: flex;
    align-items: baseline;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline;
}

.stat-suffix {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-color);
}

/* --- Hero Visual (Code Window) --- */
.hero-visual {
    position: relative;
}

.code-window {
    background: var(--bg-secondary);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    animation: float 6s ease-in-out infinite;
}

.code-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-color);
}

.code-dots {
    display: flex;
    gap: 7px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.code-title {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.code-body {
    padding: 24px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.8;
}

.code-body pre {
    white-space: pre-wrap;
}

.code-keyword { color: #c792ea; }
.code-var { color: #82aaff; }
.code-prop { color: #f78c6c; }
.code-string { color: #c3e88d; }

/* --- Floating Cards --- */
.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    border-radius: 12px;
    background: rgba(26, 26, 37, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: var(--shadow-md);
}

.card-1 {
    top: -20px;
    left: -30px;
    animation: float 5s ease-in-out infinite;
}

.card-2 {
    bottom: 20px;
    right: -20px;
    animation: float 5s ease-in-out infinite 1.5s;
}

/* --- Scroll Indicator --- */
.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 40px;
    border-radius: 12px;
    border: 2px solid rgba(108, 99, 255, 0.3);
    display: flex;
    justify-content: center;
    padding-top: 6px;
}

.scroll-line {
    width: 3px;
    height: 8px;
    border-radius: 3px;
    background: var(--accent-purple);
    animation: scroll-line 2s ease-in-out infinite;
}

/* --- Services Section --- */
.services {
    padding: var(--section-padding) 0;
    position: relative;
}

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

.service-card {
    padding: 36px 28px;
    border-radius: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
    background: var(--bg-card-hover);
}

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

.service-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: rgba(108, 99, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--accent-purple);
    transition: var(--transition-smooth);
}

.service-card:hover .service-icon {
    background: var(--gradient-primary);
    color: white;
    transform: scale(1.05);
}

.service-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.service-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
    background: rgba(108, 99, 255, 0.08);
    color: var(--accent-cyan);
    border: 1px solid rgba(0, 212, 255, 0.1);
}

/* --- About Section --- */
.about {
    padding: var(--section-padding) 0;
    position: relative;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-content .section-tag {
    margin-bottom: 16px;
}

.about-content .section-title {
    text-align: left;
    margin-bottom: 20px;
}

.about-text {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 36px;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px;
    border-radius: 12px;
    transition: var(--transition-fast);
}

.feature-item:hover {
    background: rgba(108, 99, 255, 0.05);
}

.feature-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(108, 99, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--accent-purple);
}

.feature-item h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.feature-item p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* About Visual */
.about-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 450px;
}

.about-image-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-orbit {
    position: relative;
    width: 280px;
    height: 280px;
}

.orbit-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 1px solid rgba(108, 99, 255, 0.15);
    animation: spin-slow 30s linear infinite;
}

.orbit-ring:nth-child(1) {
    width: 200px;
    height: 200px;
}

.orbit-ring.ring-2 {
    width: 260px;
    height: 260px;
    animation-duration: 40s;
    animation-direction: reverse;
    border-color: rgba(0, 212, 255, 0.1);
}

.orbit-ring.ring-3 {
    width: 320px;
    height: 320px;
    animation-duration: 50s;
    border-style: dashed;
    border-color: rgba(108, 99, 255, 0.08);
}

.orbit-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    border-radius: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-glow);
    animation: pulse-glow 3s ease-in-out infinite;
}

.about-stats-card {
    position: absolute;
    top: 20px;
    right: 0;
    padding: 20px 24px;
    border-radius: 16px;
    background: rgba(26, 26, 37, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    animation: float 5s ease-in-out infinite;
}

.about-stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.about-stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

.about-experience-card {
    position: absolute;
    bottom: 30px;
    left: 0;
    padding: 16px 24px;
    border-radius: 16px;
    background: rgba(26, 26, 37, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    text-align: center;
    animation: float 5s ease-in-out infinite 2s;
}

.exp-number {
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.exp-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* --- Portfolio Section --- */
.portfolio {
    padding: var(--section-padding) 0;
    background: var(--bg-secondary);
}

.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    border-radius: 10px;
    font-size: 0.875rem;
    font-weight: 500;
    font-family: var(--font-primary);
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition-fast);
}

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

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

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

.portfolio-card {
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.portfolio-card:hover {
    transform: translateY(-8px);
}

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

.portfolio-image {
    position: relative;
    height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: 20px;
}

.portfolio-icon-display {
    transition: var(--transition-smooth);
    opacity: 0.5;
}

.portfolio-card:hover .portfolio-icon-display {
    opacity: 0.2;
    transform: scale(1.2);
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 28px;
    background: linear-gradient(transparent, rgba(10, 10, 15, 0.95));
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition-smooth);
}

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

.portfolio-category {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background: rgba(108, 99, 255, 0.2);
    color: var(--accent-cyan);
    margin-bottom: 8px;
}

.portfolio-overlay h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.portfolio-overlay p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* --- Team Section --- */
.team {
    padding: var(--section-padding) 0;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.team-card {
    text-align: center;
    padding: 36px 24px;
    border-radius: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.team-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
}

.team-avatar {
    position: relative;
    margin-bottom: 20px;
    display: inline-block;
}

.avatar-placeholder {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin: 0 auto;
    transition: var(--transition-smooth);
}

.team-card:hover .avatar-placeholder {
    transform: scale(1.08);
    box-shadow: 0 0 30px rgba(108, 99, 255, 0.3);
}

.team-socials {
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
    opacity: 0;
    transition: var(--transition-smooth);
}

.team-card:hover .team-socials {
    opacity: 1;
    bottom: -14px;
}

.social-link {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.social-link:hover {
    background: var(--accent-purple);
    color: white;
    border-color: transparent;
}

.team-name {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.team-role {
    font-size: 0.85rem;
    color: var(--accent-cyan);
    font-weight: 500;
}

/* --- Testimonials Section --- */
.testimonials {
    padding: var(--section-padding) 0;
    background: var(--bg-secondary);
    overflow: hidden;
}

.testimonials-slider {
    position: relative;
    overflow: hidden;
}

.testimonial-track {
    display: flex;
    gap: 24px;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.testimonial-card {
    flex: 0 0 calc(33.333% - 16px);
    padding: 36px;
    border-radius: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.testimonial-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
}

.testimonial-stars {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
}

.testimonial-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.author-info h4 {
    font-size: 0.9rem;
    font-weight: 600;
}

.author-info p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.slider-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 40px;
}

.slider-btn {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.slider-btn:hover {
    background: var(--accent-purple);
    color: white;
    border-color: transparent;
}

.slider-dots {
    display: flex;
    gap: 8px;
}

.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border-color);
    cursor: pointer;
    transition: var(--transition-fast);
}

.slider-dot.active {
    background: var(--accent-purple);
    width: 28px;
    border-radius: 5px;
}

/* --- Contact Section --- */
.contact {
    padding: var(--section-padding) 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    border-radius: 14px;
    transition: var(--transition-fast);
    margin-bottom: 8px;
}

.contact-item:hover {
    background: rgba(108, 99, 255, 0.05);
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(108, 99, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-purple);
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.contact-item p,
.contact-item a {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-decoration: none;
}

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

.contact-socials {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    padding-left: 20px;
}

.contact-social {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.contact-social:hover {
    background: var(--accent-purple);
    color: white;
    border-color: transparent;
    transform: translateY(-3px);
}

/* --- Contact Form --- */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    border-radius: 12px;
    font-size: 0.9rem;
    font-family: var(--font-primary);
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    transition: var(--transition-fast);
    outline: none;
}

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

.form-group label {
    position: absolute;
    top: 50%;
    left: 20px;
    transform: translateY(-50%);
    font-size: 0.9rem;
    color: var(--text-muted);
    pointer-events: none;
    transition: var(--transition-fast);
    background: var(--bg-card);
    padding: 0 6px;
    display: none;
}

.form-group textarea ~ label {
    top: 20px;
    transform: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.1);
}

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

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
    display: block;
    top: -6px;
    left: 14px;
    transform: none;
    font-size: 0.75rem;
    color: var(--accent-purple);
}

/* --- Footer --- */
.footer {
    padding: 80px 0 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
    max-width: 300px;
}

.footer-links-group h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-links-group ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links-group a {
    font-size: 0.875rem;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.footer-links-group a:hover {
    color: var(--accent-purple);
    padding-left: 4px;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a {
    color: var(--text-muted);
}

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

/* --- Back to Top --- */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-smooth);
    z-index: 100;
    box-shadow: 0 4px 20px rgba(108, 99, 255, 0.3);
}

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

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(108, 99, 255, 0.4);
}

/* --- Toast Notification --- */
.toast {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 16px 28px;
    border-radius: 14px;
    background: var(--bg-card);
    border: 1px solid rgba(68, 207, 108, 0.3);
    box-shadow: var(--shadow-lg);
    z-index: 10000;
    opacity: 0;
    transition: var(--transition-smooth);
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--accent-green);
    white-space: nowrap;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }
    
    .hero-description {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .about-content .section-title {
        text-align: center;
    }
    
    .about-content .section-tag {
        display: flex;
        justify-content: center;
    }
    
    .about-text {
        text-align: center;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonial-card {
        flex: 0 0 calc(50% - 12px);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 64px;
    }

    .hero {
        min-height: auto;
        padding-top: 110px;
        padding-bottom: 48px;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 12px;
        transform: translateX(100%);
        transition: var(--transition-smooth);
    }
    
    .nav-links.open {
        transform: translateX(0);
    }
    
    .nav-link {
        font-size: 1.1rem;
        padding: 12px 24px;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: clamp(2rem, 6vw, 3rem);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 340px;
        margin: 0 auto;
    }
    
    .testimonial-card {
        flex: 0 0 100%;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .hero-scroll-indicator {
        display: none;
    }
    
    .floating-card {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }
    
    .stat-divider {
        width: 40px;
        height: 1px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        justify-content: center;
    }
    
    .portfolio-filter {
        gap: 6px;
    }
    
    .filter-btn {
        padding: 8px 16px;
        font-size: 0.8rem;
    }
}