/* ========================================
   CSS Variables & Base Styles - PREMIUM
   ======================================== */
:root {
    --bg-primary: #050508;
    --bg-secondary: #0c0c12;
    --bg-tertiary: #131320;
    --bg-card: rgba(19, 19, 32, 0.7);
    --bg-glass: rgba(255, 255, 255, 0.03);

    --text-primary: #ffffff;
    --text-secondary: #b4b4c0;
    --text-muted: #6b6b7b;

    --accent-primary: #7c3aed;
    --accent-secondary: #a855f7;
    --accent-tertiary: #c084fc;
    --accent-gradient: linear-gradient(135deg, #7c3aed 0%, #a855f7 50%, #c084fc 100%);
    --accent-glow: rgba(124, 58, 237, 0.4);

    --gold: #fbbf24;
    --gold-gradient: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);

    --border-color: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);
    --border-glow: rgba(124, 58, 237, 0.3);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 50px rgba(124, 58, 237, 0.25);
    --shadow-glow-intense: 0 0 80px rgba(124, 58, 237, 0.4);

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'Fira Code', 'Monaco', 'Consolas', monospace;

    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    --navbar-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--navbar-height);
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Premium noise texture overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.02;
    pointer-events: none;
    z-index: 1000;
}

/* ========================================
   Animated Background - Premium
   ======================================== */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: float 25s infinite ease-in-out;
    will-change: transform;
}

.orb-1 {
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.6) 0%, rgba(124, 58, 237, 0) 70%);
    top: -250px;
    right: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.5) 0%, rgba(168, 85, 247, 0) 70%);
    bottom: -200px;
    left: -200px;
    animation-delay: -8s;
}

.orb-3 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(192, 132, 252, 0.3) 0%, rgba(192, 132, 252, 0) 70%);
    top: 40%;
    left: 40%;
    animation-delay: -16s;
    opacity: 0.25;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1) rotate(0deg);
    }
    25% {
        transform: translate(40px, -40px) scale(1.08) rotate(5deg);
    }
    50% {
        transform: translate(-30px, 30px) scale(0.95) rotate(-5deg);
    }
    75% {
        transform: translate(-40px, -30px) scale(1.05) rotate(3deg);
    }
}

/* ========================================
   Navigation - Premium Glass
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-height);
    background: rgba(5, 5, 8, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition-base);
}

.navbar.scrolled {
    background: rgba(5, 5, 8, 0.9);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 2px;
    transition: var(--transition-fast);
}

.logo:hover {
    transform: scale(1.02);
}

.logo-bracket {
    color: var(--accent-primary);
    font-family: var(--font-mono);
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 6px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    padding: 10px 18px;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
    letter-spacing: 0.01em;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    border-radius: 2px;
    transition: var(--transition-base);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 24px;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-base);
    transform-origin: center;
}

/* ========================================
   Hero Section - Premium
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: calc(var(--navbar-height) + 40px) 24px 40px;
    position: relative;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-greeting {
    font-size: 1.1rem;
    color: var(--accent-secondary);
    font-weight: 500;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.wave {
    display: inline-block;
    animation: wave 2.5s infinite;
    transform-origin: 70% 70%;
    font-size: 1.4rem;
}

@keyframes wave {
    0%, 60%, 100% { transform: rotate(0deg); }
    10%, 30% { transform: rotate(14deg); }
    20% { transform: rotate(-8deg); }
    40% { transform: rotate(-4deg); }
    50% { transform: rotate(10deg); }
}

.hero-name {
    font-size: clamp(2.8rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 1.05;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}

.name-line {
    display: block;
}

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

.hero-title-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.4rem;
    margin-bottom: 28px;
}

.hero-title-prefix {
    color: var(--text-muted);
}

.typing-wrapper {
    display: flex;
    align-items: center;
}

.typing-text {
    color: var(--accent-tertiary);
    font-weight: 600;
}

.cursor {
    color: var(--accent-primary);
    animation: blink 1s infinite;
    font-weight: 300;
    margin-left: 2px;
}

@keyframes blink {
    0%, 45% { opacity: 1; }
    50%, 100% { opacity: 0; }
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 480px;
    margin-bottom: 36px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 18px;
    margin-bottom: 48px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-base);
    border: none;
    letter-spacing: 0.02em;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary::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: 0.5s;
}

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

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow-intense);
}

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
    background: rgba(124, 58, 237, 0.1);
    transform: translateY(-4px);
}

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

.btn-outline:hover {
    background: var(--accent-primary);
    color: white;
    box-shadow: var(--shadow-glow);
}

.hero-social {
    display: flex;
    gap: 14px;
}

.social-link {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: var(--transition-base);
    backdrop-filter: blur(10px);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

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

/* Code Window - Premium */
.hero-visual {
    display: flex;
    justify-content: center;
}

.code-window {
    width: 100%;
    max-width: 500px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    animation: slideInRight 0.8s ease-out;
    position: relative;
}

.code-window::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(60px) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0) translateY(0);
    }
}

.window-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

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

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    transition: var(--transition-fast);
}

.dot.red { background: #ff5f57; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #28ca42; }

.code-window:hover .dot.red { box-shadow: 0 0 8px #ff5f57; }
.code-window:hover .dot.yellow { box-shadow: 0 0 8px #ffbd2e; }
.code-window:hover .dot.green { box-shadow: 0 0 8px #28ca42; }

.window-title {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.window-content {
    padding: 24px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.9;
    overflow-x: auto;
}

.window-content pre {
    margin: 0;
}

.code-keyword { color: #c792ea; }
.code-variable { color: #82aaff; }
.code-property { color: #ffcb6b; }
.code-string { color: #c3e88d; }
.code-function { color: #82aaff; }
.code-boolean { color: #ff5370; }

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: bounce 2.5s infinite ease-in-out;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-12px); }
    60% { transform: translateX(-50%) translateY(-6px); }
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--text-muted);
    border-radius: 14px;
    position: relative;
}

.wheel {
    width: 3px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(14px); }
}

/* ========================================
   Section Styles - Premium
   ======================================== */
.section {
    padding: 120px 24px;
    position: relative;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 20px;
    letter-spacing: -0.02em;
}

.section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--border-color) 0%, transparent 100%);
    max-width: 300px;
}

.title-number {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--accent-primary);
    font-weight: 500;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 56px;
}

/* ========================================
   About Section - Premium
   ======================================== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
    margin-top: 56px;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-size: 1.05rem;
    line-height: 1.9;
}

.about-intro {
    font-size: 1.2rem !important;
}

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

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 48px;
}

.stat {
    text-align: center;
    padding: 28px 20px;
    background: var(--bg-glass);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    transition: var(--transition-base);
}

.stat:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
}

.stat-number {
    display: block;
    font-size: 2.8rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.about-image {
    display: flex;
    justify-content: center;
}

.image-wrapper {
    position: relative;
    width: 320px;
    height: 380px;
}

.profile-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-xl);
    position: relative;
    z-index: 2;
    transition: var(--transition-base);
    filter: grayscale(20%);
}

.profile-photo:hover {
    filter: grayscale(0%);
    transform: scale(1.02);
}

.image-placeholder {
    width: 100%;
    height: 100%;
    background: var(--bg-tertiary);
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    border: 2px dashed var(--border-color);
    position: relative;
    z-index: 2;
    transition: var(--transition-base);
}

.image-placeholder:hover {
    border-color: var(--accent-primary);
}

.placeholder-icon {
    font-size: 5rem;
}

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

.image-border {
    position: absolute;
    top: 24px;
    left: 24px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-xl);
    z-index: 1;
    transition: var(--transition-base);
}

.image-wrapper:hover .image-border {
    top: 16px;
    left: 16px;
}

/* ========================================
   Skills Section - Premium Glass
   ======================================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 56px;
}

.skill-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition-base);
    cursor: default;
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-base);
}

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

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

.skill-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    color: var(--accent-primary);
    border: 1px solid var(--border-color);
}

.skill-icon svg {
    width: 28px;
    height: 28px;
}

.skill-name {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.skill-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.skill-level {
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.level-bar {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 4px;
    width: var(--level);
    transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 12px var(--accent-glow);
}

.skills-other {
    text-align: center;
    padding-top: 24px;
}

.skills-other h3 {
    font-size: 1.2rem;
    margin-bottom: 28px;
    color: var(--text-secondary);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
}

.tech-tag {
    padding: 10px 22px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: var(--transition-fast);
    backdrop-filter: blur(10px);
}

.tech-tag:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: translateY(-2px);
}

/* ========================================
   Projects Section - Premium Cards
   ======================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 32px;
    margin-bottom: 56px;
}

.project-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition-base);
    position: relative;
}

.project-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: 1;
}

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

.project-image {
    position: relative;
    height: 240px;
    overflow: hidden;
}

.project-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-emoji {
    font-size: 6rem;
    transition: var(--transition-base);
}

.project-card:hover .project-emoji {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(5, 5, 8, 0.85);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-base);
    z-index: 2;
}

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

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

.project-link {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    transition: var(--transition-base);
    transform: translateY(20px);
    backdrop-filter: blur(10px);
}

.project-card:hover .project-link {
    transform: translateY(0);
}

.project-link:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.project-link svg {
    width: 24px;
    height: 24px;
}

.project-content {
    padding: 32px;
    position: relative;
    z-index: 2;
}

.project-label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent-secondary);
    margin-bottom: 14px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.project-title {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 14px;
    letter-spacing: -0.02em;
}

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

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

.project-tech span {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.project-card.coming-soon {
    opacity: 0.5;
}

.project-card.coming-soon:hover {
    transform: none;
    border-color: var(--border-color);
    box-shadow: none;
}

.projects-cta {
    text-align: center;
}

/* ========================================
   Education Section - Premium Timeline
   ======================================== */
.timeline {
    margin-top: 56px;
    position: relative;
    padding-left: 36px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--accent-primary) 0%, var(--border-color) 100%);
}

.timeline-item {
    position: relative;
    padding-bottom: 48px;
}

.timeline-marker {
    position: absolute;
    left: -41px;
    top: 0;
    width: 12px;
    height: 12px;
    background: var(--accent-primary);
    border-radius: 50%;
    box-shadow: 0 0 0 4px var(--bg-primary), 0 0 0 6px var(--accent-primary), var(--shadow-glow);
}

.timeline-content {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition-base);
}

.timeline-content:hover {
    border-color: var(--border-glow);
    transform: translateX(8px);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 16px;
}

.timeline-title {
    font-size: 1.4rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-primary);
    background: rgba(124, 58, 237, 0.15);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-glow);
}

.timeline-subtitle {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 18px;
}

.timeline-description {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 24px;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.timeline-tags span {
    font-size: 0.85rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 8px 16px;
    border-radius: 50px;
    border: 1px solid var(--border-color);
}

/* ========================================
   Contact Section - Premium
   ======================================== */
.contact-content {
    margin-top: 56px;
}

.contact-text {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 56px;
}

.contact-heading {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.contact-text p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.9;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 28px;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--accent-gradient);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: var(--transition-base);
}

.contact-card:hover {
    transform: translateY(-6px) translateX(4px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
}

.contact-card:hover::before {
    transform: scaleY(1);
}

.contact-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    border-radius: var(--radius-md);
    color: var(--accent-primary);
    flex-shrink: 0;
    border: 1px solid var(--border-color);
    transition: var(--transition-base);
}

.contact-card:hover .contact-icon {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.contact-icon svg {
    width: 28px;
    height: 28px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
    overflow: hidden;
}

.contact-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-value {
    font-size: 1.05rem;
    color: var(--text-primary);
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ========================================
   Footer - Premium
   ======================================== */
.footer {
    padding: 48px 24px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-glass);
}

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

.footer-text {
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-size: 1rem;
}

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

/* ========================================
   Mobile Responsive - Fixed Navigation
   ======================================== */
@media (max-width: 900px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 60px;
    }

    .hero-text {
        order: 1;
    }

    .hero-visual {
        order: 0;
    }

    .hero-greeting {
        justify-content: center;
    }

    .hero-description {
        margin: 0 auto 36px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-social {
        justify-content: center;
    }

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

    .about-image {
        order: -1;
    }

    .image-wrapper {
        width: 280px;
        height: 340px;
    }
}

@media (max-width: 768px) {
    :root {
        --navbar-height: 70px;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        height: 100dvh;
        background: var(--bg-primary);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 40px;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: var(--transition-base);
        z-index: 999;
    }

    .nav-links.active {
        opacity: 1;
        visibility: visible;
        pointer-events: all;
    }

    .nav-link {
        font-size: 2rem;
        padding: 16px 32px;
        font-weight: 600;
    }

    .nav-link::after {
        bottom: 4px;
        height: 3px;
    }

    .mobile-menu-btn {
        display: flex;
        z-index: 1001;
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
        transform: scaleX(0);
    }

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

    .hero-name {
        font-size: 2.4rem;
    }

    .hero-title-wrapper {
        flex-direction: column;
        gap: 8px;
        font-size: 1.2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    .code-window {
        max-width: 100%;
    }

    .window-content {
        font-size: 0.75rem;
        padding: 16px;
    }

    .section {
        padding: 80px 20px;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .about-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }

    .stat {
        padding: 20px 12px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .skills-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .skill-card {
        padding: 24px;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .timeline-header {
        flex-direction: column;
    }

    .scroll-indicator {
        display: none;
    }
}

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

    .skills-grid {
        grid-template-columns: 1fr;
    }

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

    .contact-card {
        flex-direction: column;
        text-align: center;
        padding: 24px;
    }

    .contact-card::before {
        width: 100%;
        height: 4px;
        transform: scaleX(0);
        transform-origin: left;
    }

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

    .contact-card:hover {
        transform: translateY(-6px);
    }
}

/* ========================================
   Animations on Scroll
   ======================================== */
.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ========================================
   Premium Hover Effects
   ======================================== */
@media (hover: hover) {
    .btn:active {
        transform: scale(0.98);
    }

    .social-link:active,
    .project-link:active,
    .contact-card:active {
        transform: scale(0.95);
    }
}

/* Smooth focus states for accessibility */
:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}