/* ============================================
   PORTFOLIO YOUSSEF ABIDI - DESIGN UNIQUE
   ============================================ */

/* ========== VARIABLES & RESET ========== */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #16161f;
    --bg-glass: rgba(22, 22, 31, 0.8);
    
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-tertiary: #ec4899;
    --accent-gradient: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary), var(--accent-tertiary));
    
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(99, 102, 241, 0.3);
    
    --font-main: 'Space Grotesk', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    
    --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 40px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);
    
    --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-bounce: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    font-family: var(--font-main);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

::selection {
    background: var(--accent-primary);
    color: white;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; }

/* ========== LOADER ========== */
.loader {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s, visibility 0.5s;
}

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

.loader-content {
    text-align: center;
}

.loader-logo {
    font-size: 3rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    margin: 0 auto;
    animation: spin 1s linear infinite;
}

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

/* ========== CUSTOM CURSOR ========== */
.cursor {
    width: 12px;
    height: 12px;
    background: var(--accent-primary);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 10000;
    transform: translate(-50%, -50%);
    transition: transform 0.15s, width 0.2s, height 0.2s, background 0.2s;
}

.cursor-follower {
    width: 40px;
    height: 40px;
    border: 1px solid var(--accent-primary);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    opacity: 0.4;
}

.cursor.hover {
    transform: translate(-50%, -50%) scale(2);
    background: var(--accent-tertiary);
}

.cursor-follower.hover {
    transform: translate(-50%, -50%) scale(1.5);
    border-color: var(--accent-tertiary);
}

@media (max-width: 768px) {
    .cursor, .cursor-follower { display: none; }
}

/* ========== LOADER OLD REMOVE ========== */
.loader-old-remove {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.6s, visibility 0.6s;
}

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

.loader-content {
    text-align: center;
}

.loader-logo {
    font-size: 4rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: pulse 1.5s ease-in-out infinite;
}

.loader-bar {
    width: 200px;
    height: 4px;
    background: var(--border-color);
    border-radius: var(--radius-full);
    margin: 24px auto;
    overflow: hidden;
}

.loader-progress {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    animation: loading 2s ease-out forwards;
}

.loader-text {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.dots::after {
    content: '';
    animation: dots 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
}

@keyframes loading {
    0% { width: 0; }
    100% { width: 100%; }
}

@keyframes dots {
    0% { content: ''; }
    33% { content: '.'; }
    66% { content: '..'; }
    100% { content: '...'; }
}

/* ========== CUSTOM CURSOR ========== */
.cursor {
    width: 12px;
    height: 12px;
    background: var(--accent-primary);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 10000;
    transform: translate(-50%, -50%);
    transition: transform 0.1s, width 0.3s, height 0.3s, background 0.3s;
    mix-blend-mode: difference;
}

.cursor-follower {
    width: 40px;
    height: 40px;
    border: 1px solid var(--accent-primary);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: transform 0.15s ease-out, width 0.3s, height 0.3s, border-color 0.3s;
    opacity: 0.5;
}

.cursor.hover {
    transform: translate(-50%, -50%) scale(2);
    background: var(--accent-tertiary);
}

.cursor-follower.hover {
    transform: translate(-50%, -50%) scale(1.5);
    border-color: var(--accent-tertiary);
}

/* ========== ANIMATED BACKGROUND ========== */
.bg-container {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
}

.gradient-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 20% 40%, rgba(99, 102, 241, 0.15), transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(139, 92, 246, 0.1), transparent 50%),
        radial-gradient(ellipse 50% 30% at 50% 80%, rgba(236, 72, 153, 0.08), transparent 50%);
    animation: gradientMove 20s ease infinite;
}

@keyframes gradientMove {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.1) rotate(3deg); }
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.particles {
    position: absolute;
    inset: 0;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent-primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: float-particle linear infinite;
}

@keyframes float-particle {
    0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
    10% { opacity: 0.3; }
    90% { opacity: 0.3; }
    100% { transform: translateY(-100px) rotate(360deg); opacity: 0; }
}

/* ========== NAVIGATION ========== */
.nav-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: transparent;
    transition: all var(--transition-smooth);
}

.nav-header.scrolled {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 0;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 1.3rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 2px;
    transition: transform var(--transition-smooth);
}

.nav-logo:hover { transform: scale(1.05); }

.logo-bracket { color: var(--accent-primary); }
.logo-text { color: var(--text-primary); }
.logo-dot { color: var(--accent-tertiary); }

.nav-list {
    display: flex;
    gap: 8px;
}

.nav-link {
    padding: 10px 18px;
    border-radius: var(--radius-full);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-secondary);
    position: relative;
    transition: all var(--transition-fast);
}

.nav-link::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-full);
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity var(--transition-fast);
    z-index: -1;
}

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

.nav-link.active::before,
.nav-link:hover::before {
    opacity: 0.15;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.lang-toggle,
.theme-toggle,
.cv-button {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.lang-toggle { padding: 10px 14px; }
.theme-toggle { padding: 10px 14px; position: relative; overflow: hidden; }

.theme-toggle .theme-icon {
    position: absolute;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.theme-toggle .sun {
    opacity: 0;
    transform: translateY(30px) rotate(-90deg);
}

.theme-toggle .moon {
    opacity: 1;
    transform: translateY(0) rotate(0deg);
}

.theme-toggle .sun.active {
    opacity: 1;
    transform: translateY(0) rotate(0deg);
}

.theme-toggle .moon.active {
    opacity: 1;
    transform: translateY(0) rotate(0deg);
}

body.light-theme .theme-toggle .sun {
    opacity: 1;
    transform: translateY(0) rotate(0deg);
}

body.light-theme .theme-toggle .moon {
    opacity: 0;
    transform: translateY(-30px) rotate(90deg);
}

.lang-toggle:hover,
.theme-toggle:hover,
.cv-button:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    background: none;
    border: none;
}

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

.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.nav-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--border-color);
}

.nav-progress-bar {
    height: 100%;
    background: var(--accent-gradient);
    width: 0;
    transition: width 0.1s linear;
}

/* ========== HERO SECTION ========== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 40px 80px;
    position: relative;
}

.hero-content {
    flex: 1;
    max-width: 650px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 18px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    color: var(--accent-primary);
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: blink 2s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero-title {
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.title-line {
    display: block;
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--text-secondary);
    font-weight: 400;
    margin-bottom: 8px;
}

.title-name {
    display: block;
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.glitch {
    position: relative;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    -webkit-background-clip: text;
    background-clip: text;
}

.glitch::before {
    left: 2px;
    text-shadow: -2px 0 var(--accent-tertiary);
    animation: glitch-1 2s infinite linear alternate-reverse;
    clip-path: polygon(0 0, 100% 0, 100% 35%, 0 35%);
}

.glitch::after {
    left: -2px;
    text-shadow: 2px 0 var(--accent-primary);
    animation: glitch-2 3s infinite linear alternate-reverse;
    clip-path: polygon(0 65%, 100% 65%, 100% 100%, 0 100%);
}

@keyframes glitch-1 {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-2px); }
    40% { transform: translateX(2px); }
    60% { transform: translateX(-1px); }
    80% { transform: translateX(1px); }
}

@keyframes glitch-2 {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(2px); }
    40% { transform: translateX(-2px); }
    60% { transform: translateX(1px); }
    80% { transform: translateX(-1px); }
}

.hero-typing {
    font-size: clamp(1.2rem, 2.5vw, 1.6rem);
    margin-bottom: 24px;
    font-family: var(--font-mono);
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.typing-prefix { color: var(--text-secondary); }
.typing-text { color: var(--accent-secondary); }

.typing-cursor {
    color: var(--accent-primary);
    animation: cursorBlink 1s infinite;
}

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

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.highlight {
    color: var(--accent-primary);
    font-weight: 600;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 36px;
    animation: fadeInUp 0.8s ease-out 1s both;
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-plus {
    font-size: 1.5rem;
    color: var(--accent-primary);
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease-out 1.2s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    border: none;
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.4);
}

.btn-arrow {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: transform var(--transition-fast);
}

.btn-primary:hover .btn-arrow {
    transform: translateX(5px);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover {
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.1);
    transform: translateY(-3px);
}

.hero-social {
    display: flex;
    gap: 16px;
    animation: fadeInUp 0.8s ease-out 1.4s both;
}

.social-link {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-smooth);
}

.social-link svg {
    width: 22px;
    height: 22px;
    fill: var(--text-secondary);
    transition: fill var(--transition-fast);
}

.social-link:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.social-link:hover svg {
    fill: var(--accent-primary);
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    animation: fadeIn 1s ease-out 0.5s both;
}

.photo-container {
    position: relative;
    width: 320px;
    height: 320px;
}

.photo-glow {
    position: absolute;
    inset: -20px;
    background: var(--accent-gradient);
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.4;
    animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.05); }
}

.photo-ring {
    position: absolute;
    inset: -15px;
    border: 2px dashed var(--accent-primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: spin 30s linear infinite;
}

.photo-ring.ring-2 {
    inset: -30px;
    border-color: var(--accent-secondary);
    animation-direction: reverse;
    animation-duration: 40s;
}

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

.hero-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid var(--bg-card);
    position: relative;
    z-index: 1;
}

.photo-badge {
    position: absolute;
    bottom: 10px;
    right: -20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 10px 16px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    z-index: 2;
    animation: float 3s ease-in-out infinite;
}

.badge-emoji { font-size: 1.2rem; }

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

.floating-icons {
    position: absolute;
    inset: -60px;
    pointer-events: none;
}

.float-icon {
    position: absolute;
    width: 50px;
    height: 50px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    animation: floatIcon 6s ease-in-out infinite;
}

.float-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.icon-1 { top: 10%; left: -10%; animation-delay: 0s; }
.icon-2 { top: 60%; left: -15%; animation-delay: 1s; }
.icon-3 { top: 5%; right: -10%; animation-delay: 2s; }
.icon-4 { top: 55%; right: -20%; animation-delay: 3s; }
.icon-5 { bottom: 5%; right: 10%; animation-delay: 4s; }

@keyframes floatIcon {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(5deg); }
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 0.85rem;
    animation: fadeInUp 0.8s ease-out 1.6s both;
}

.mouse {
    width: 26px;
    height: 42px;
    border: 2px solid var(--text-muted);
    border-radius: 14px;
    position: relative;
}

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

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

/* ========== SECTIONS COMMON ========== */
.section {
    padding: 120px 40px;
    position: relative;
}

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

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

.section-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--accent-primary);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-line {
    width: 80px;
    height: 4px;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    margin: 0 auto;
}

.section-subtitle {
    max-width: 600px;
    margin: 20px auto 0;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* ========== ABOUT SECTION ========== */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text {
    margin-bottom: 40px;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.about-text .lead {
    font-size: 1.2rem;
    color: var(--text-primary);
}

.text-gradient {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}

.highlight-box {
    background: rgba(99, 102, 241, 0.15);
    padding: 2px 8px;
    border-radius: 4px;
    color: var(--accent-primary);
}

.about-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-smooth);
}

.detail-item:hover {
    border-color: var(--accent-primary);
    transform: translateX(5px);
}

.detail-icon {
    font-size: 1.5rem;
}

.detail-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 2px;
}

.detail-value {
    font-weight: 500;
    font-size: 0.95rem;
}

.about-cards {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: all var(--transition-smooth);
}

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

.info-card .card-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.info-card h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.card-timeline {
    position: relative;
    padding-left: 24px;
}

.card-timeline::before {
    content: '';
    position: absolute;
    left: 4px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(180deg, var(--accent-primary), var(--accent-secondary));
}

.timeline-item {
    position: relative;
    margin-bottom: 20px;
}

.timeline-item:last-child { margin-bottom: 0; }

.timeline-dot {
    position: absolute;
    left: -24px;
    top: 6px;
    width: 12px;
    height: 12px;
    background: var(--accent-primary);
    border-radius: 50%;
    border: 3px solid var(--bg-card);
}

.timeline-content h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.timeline-content p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.languages-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.language-item {
    display: grid;
    grid-template-columns: 100px 1fr auto;
    gap: 16px;
    align-items: center;
}

.lang-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.lang-flag { font-size: 1.3rem; }
.lang-name { font-weight: 500; }

.lang-bar {
    height: 8px;
    background: var(--border-color);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.lang-progress {
    height: 100%;
    width: var(--progress);
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    transition: width 1s ease-out;
}

.lang-level {
    font-size: 0.85rem;
    color: var(--text-muted);
    min-width: 90px;
    text-align: right;
}

/* ========== SKILLS SECTION ========== */
.skills-wrapper {
    max-width: 1100px;
    margin: 0 auto;
}

.skills-categories {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.skill-tab {
    padding: 12px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.skill-tab::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.skill-tab:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.skill-tab.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.skill-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-smooth);
}

.skill-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.1), transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

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

.skill-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 20px 50px rgba(99, 102, 241, 0.2);
}

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

.skill-card:hover::after {
    opacity: 1;
}

.skill-icon-wrapper {
    position: relative;
    width: 90px;
    height: 90px;
    margin: 0 auto 20px;
}

.skill-icon {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card));
    border-radius: var(--radius-lg);
    padding: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    border: 1px solid var(--border-color);
    transition: all var(--transition-smooth);
}

.skill-card:hover .skill-icon {
    transform: rotateY(360deg);
    border-color: var(--accent-primary);
}

.skill-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform var(--transition-smooth);
}

.skill-card:hover .skill-icon img {
    transform: scale(1.1);
}

.skill-glow {
    position: absolute;
    inset: -10px;
    background: var(--accent-gradient);
    border-radius: var(--radius-lg);
    opacity: 0;
    filter: blur(20px);
    transition: opacity var(--transition-smooth);
    z-index: 1;
}

.skill-card:hover .skill-glow {
    opacity: 0.4;
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.1); }
}

.skill-particles {
    position: absolute;
    inset: 0;
    z-index: 3;
    pointer-events: none;
}

.skill-card:hover .skill-particles::before,
.skill-card:hover .skill-particles::after {
    content: '';
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--accent-primary);
    border-radius: 50%;
    animation: particle-float 1.5s ease-out infinite;
}

.skill-card:hover .skill-particles::before {
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.skill-card:hover .skill-particles::after {
    top: 30%;
    right: 20%;
    animation-delay: 0.3s;
}

@keyframes particle-float {
    0% { transform: translateY(0) scale(1); opacity: 1; }
    100% { transform: translateY(-40px) scale(0); opacity: 0; }
}

.skill-card h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-primary);
    position: relative;
    z-index: 2;
}

.skill-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 16px;
    position: relative;
    z-index: 2;
}

.skill-tags {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}

.skill-tags span {
    padding: 5px 12px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--accent-primary);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.skill-card:hover .skill-tags span {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--accent-primary);
    animation: tag-pop 0.4s ease-out backwards;
}

.skill-card:hover .skill-tags span:nth-child(1) { animation-delay: 0.1s; }
.skill-card:hover .skill-tags span:nth-child(2) { animation-delay: 0.2s; }
.skill-card:hover .skill-tags span:nth-child(3) { animation-delay: 0.3s; }

@keyframes tag-pop {
    0% { transform: scale(0.8); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.floating-particle {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--accent-gradient);
    border-radius: 50%;
    pointer-events: none;
    animation: particle-rise 1.5s ease-out forwards;
}

@keyframes particle-rise {
    0% {
        bottom: 30%;
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
    100% {
        bottom: 100%;
        opacity: 0;
        transform: scale(0) rotate(180deg);
    }
}

.skill-card.visible {
    animation: skill-entrance 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes skill-entrance {
    0% {
        opacity: 0;
        transform: translateY(40px) scale(0.8) rotateX(20deg);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1) rotateX(0deg);
    }
}

.methodologies {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

.methodologies h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.method-tags {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.method-tag {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.method-tag:hover {
    border-color: var(--accent-primary);
    transform: translateY(-3px);
}

.tag-icon { font-size: 1.1rem; }

/* ========== PROJECTS SECTION ========== */
.projects-showcase {
    display: flex;
    flex-direction: column;
    gap: 80px;
}

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

.project-item:nth-child(even) {
    direction: rtl;
}

.project-item:nth-child(even) > * {
    direction: ltr;
}

.project-visual {
    position: relative;
}

.project-mockup {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-smooth);
}

.project-item:hover .project-mockup {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
    transform: translateY(-10px);
}

.mockup-screen {
    background: var(--bg-secondary);
}

.screen-header {
    display: flex;
    gap: 8px;
    padding: 12px 16px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
}

.screen-header span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border-color);
}

.screen-header span:nth-child(1) { background: #ef4444; }
.screen-header span:nth-child(2) { background: #f59e0b; }
.screen-header span:nth-child(3) { background: #22c55e; }

.screen-content {
    padding: 30px;
    min-height: 250px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.weather-app .weather-icon { font-size: 4rem; margin-bottom: 10px; }
.weather-app .weather-temp { font-size: 2.5rem; font-weight: 700; color: var(--accent-primary); }
.weather-app .weather-city { color: var(--text-muted); }

.student-app .student-list {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.student-row {
    padding: 12px 16px;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
}

.game-screen {
    padding: 0;
}

.game-preview {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.project-number {
    position: absolute;
    top: -20px;
    right: -20px;
    font-size: 6rem;
    font-weight: 800;
    color: var(--bg-card);
    -webkit-text-stroke: 1px var(--border-color);
    line-height: 1;
    z-index: -1;
}

.project-info {
    padding: 20px 0;
}

.project-category {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--accent-primary);
    margin-bottom: 16px;
}

.project-title {
    font-size: 1.8rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.project-desc {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.7;
}

.project-features {
    margin-bottom: 24px;
}

.project-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
    color: var(--text-secondary);
}

.feature-check {
    color: #22c55e;
    font-weight: 700;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 24px;
}

.tech-tag {
    padding: 6px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
}

.project-links {
    display: flex;
    gap: 16px;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.project-link svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

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

/* ========== EXPERIENCE SECTION ========== */
.experience-timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    padding-left: 40px;
}

.exp-line {
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--accent-primary), var(--accent-secondary), transparent);
}

.experience-item {
    position: relative;
    margin-bottom: 40px;
}

.exp-dot {
    position: absolute;
    left: -40px;
    top: 24px;
    width: 32px;
    height: 32px;
    background: var(--bg-primary);
    border: 2px solid var(--accent-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.exp-dot-inner {
    width: 12px;
    height: 12px;
    background: var(--accent-primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.exp-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all var(--transition-smooth);
}

.exp-content:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.exp-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 16px;
}

.exp-company {
    display: flex;
    align-items: center;
    gap: 16px;
}

.company-icon {
    font-size: 2rem;
}

.exp-company h3 {
    font-size: 1.3rem;
    margin-bottom: 4px;
}

.exp-role {
    color: var(--accent-primary);
    font-weight: 500;
}

.exp-date {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

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

.exp-achievements {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.exp-achievements li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.achievement-icon { font-size: 1.1rem; }

.exp-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.exp-skill {
    padding: 6px 14px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--accent-primary);
}

/* ========== CONTACT SECTION ========== */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-smooth);
}

.contact-card:hover {
    border-color: var(--accent-primary);
    transform: translateX(10px);
}

.contact-icon {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-md);
}

.contact-details h4 {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.contact-details a,
.contact-details span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
}

.contact-details a:hover {
    color: var(--accent-primary);
}

.social-bar {
    display: flex;
    gap: 16px;
    margin-top: 20px;
}

.social-btn {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-smooth);
}

.social-btn svg {
    width: 24px;
    height: 24px;
    fill: var(--text-secondary);
    transition: fill var(--transition-fast);
}

.social-btn:hover {
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.1);
    transform: translateY(-5px);
}

.social-btn:hover svg {
    fill: var(--accent-primary);
}

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

.form-group {
    margin-bottom: 24px;
    position: relative;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

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

.input-highlight {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: width var(--transition-smooth);
}

.form-group input:focus ~ .input-highlight,
.form-group textarea:focus ~ .input-highlight {
    width: 100%;
}

.btn-submit {
    width: 100%;
    padding: 16px;
}

.send-icon {
    width: 20px;
    height: 20px;
    fill: currentColor;
    transition: transform var(--transition-fast);
}

.btn-submit:hover .send-icon {
    transform: translateX(5px);
}

.form-status {
    margin-top: 16px;
    text-align: center;
    color: var(--text-muted);
}

.form-status.success { color: #22c55e; }
.form-status.error { color: #ef4444; }

/* ========== FOOTER ========== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 60px 40px 30px;
}

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

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-logo {
    font-size: 2rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand p {
    max-width: 300px;
    color: var(--text-muted);
    margin-top: 12px;
    font-size: 0.95rem;
}

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

.footer-links a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.heart {
    color: #ef4444;
    animation: heartbeat 1.5s infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.back-to-top {
    width: 48px;
    height: 48px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-smooth);
}

.back-to-top svg {
    width: 20px;
    height: 20px;
    fill: var(--text-secondary);
}

.back-to-top:hover {
    border-color: var(--accent-primary);
    transform: translateY(-5px);
}

.back-to-top:hover svg {
    fill: var(--accent-primary);
}

/* ========== MODAL ========== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-smooth);
}

.modal[aria-hidden="false"] {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 900px;
    height: 85vh;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transform: scale(0.9);
    transition: transform var(--transition-smooth);
}

.modal[aria-hidden="false"] .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 44px;
    height: 44px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: all var(--transition-fast);
}

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

.modal-content iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ========== ANIMATIONS ========== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes fadeInLeft {
    from { 
        opacity: 0; 
        transform: translateX(-30px); 
    }
    to { 
        opacity: 1; 
        transform: translateX(0); 
    }
}

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

.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 140px 30px 80px;
    }
    
    .hero-content { max-width: 100%; }
    
    .hero-stats { justify-content: center; }
    .hero-cta { justify-content: center; }
    .hero-social { justify-content: center; }
    
    .hero-visual { margin-top: 60px; }
    
    .about-grid { grid-template-columns: 1fr; }
    .about-details { grid-template-columns: 1fr; }
    
    .project-item { grid-template-columns: 1fr; gap: 40px; }
    .project-item:nth-child(even) { direction: ltr; }
    
    .contact-wrapper { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    body { cursor: auto; }
    .cursor, .cursor-follower { display: none; }
    
    .nav-container { padding: 0 20px; }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--bg-glass);
        backdrop-filter: blur(20px);
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-smooth);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 8px;
    }
    
    .nav-link {
        display: block;
        padding: 14px 20px;
    }
    
    .menu-toggle { display: flex; }
    
    .cv-button span:last-child { display: none; }
    
    .section { padding: 80px 20px; }
    
    .hero-stats { gap: 24px; }
    .stat-number { font-size: 2rem; }
    
    .photo-container { width: 250px; height: 250px; }
    
    .floating-icons { display: none; }
    
    .project-number { font-size: 4rem; }
    
    .exp-achievements { grid-template-columns: 1fr; }
    
    .footer-content { flex-direction: column; text-align: center; }
    .footer-links { flex-wrap: wrap; justify-content: center; }
}

@media (max-width: 480px) {
    .hero-title .title-name { font-size: 2rem; }
    .hero-typing { font-size: 1rem; }
    
    .hero-cta { flex-direction: column; }
    .btn { width: 100%; }
    
    .hero-stats { flex-direction: column; gap: 20px; }
    
    .language-item { grid-template-columns: 1fr; gap: 8px; }
    .lang-level { text-align: left; }
    
    .skills-grid { grid-template-columns: 1fr; }
    
    .contact-form { padding: 24px; }
}

/* ========== LIGHT THEME ========== */
body.light-theme {
    --bg-primary: #f8f9fc;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-glass: rgba(255, 255, 255, 0.9);
    
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a6a;
    --text-muted: #6b7280;
    
    --border-color: rgba(0, 0, 0, 0.08);
    --border-glow: rgba(99, 102, 241, 0.4);
    
    --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 8px 40px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
}

body.light-theme .gradient-bg {
    background: 
        radial-gradient(ellipse 80% 50% at 20% 40%, rgba(99, 102, 241, 0.08), transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(139, 92, 246, 0.06), transparent 50%),
        radial-gradient(ellipse 50% 30% at 50% 80%, rgba(236, 72, 153, 0.04), transparent 50%);
}

body.light-theme .grid-overlay {
    background-image: 
        linear-gradient(rgba(0,0,0,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.03) 1px, transparent 1px);
}

body.light-theme .particle {
    background: var(--accent-secondary);
    opacity: 0.15;
}

body.light-theme .nav-header.scrolled {
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
}

body.light-theme .loader {
    background: var(--bg-primary);
}

body.light-theme .cursor {
    background: var(--accent-primary);
    mix-blend-mode: normal;
}

body.light-theme .photo-glow {
    opacity: 0.2;
}

body.light-theme .glitch::before,
body.light-theme .glitch::after {
    background: var(--bg-primary);
}

body.light-theme .skill-icon {
    background: linear-gradient(135deg, #f0f0f5, #ffffff);
}

body.light-theme .project-mockup .screen-content {
    background: #f5f5f8;
}

body.light-theme .modal-overlay {
    background: rgba(0, 0, 0, 0.5);
}

body.light-theme ::selection {
    background: var(--accent-primary);
    color: white;
}

/* ========== ACCESSIBILITY ========== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html { scroll-behavior: auto; }
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}