/* ===================================
   FUTURISTIC PORTFOLIO - DESIGN SYSTEM
   =================================== */

/* CSS Variables - Design Tokens */
:root {
    /* Colors - Dark Futuristic Theme */
    --color-bg-primary: #000000;
    --color-bg-secondary: #0a0a0a;
    --color-bg-tertiary: #111111;
    --color-bg-card: rgba(17, 17, 17, 0.8);
    --color-bg-card-hover: rgba(25, 25, 25, 0.9);

    /* Neon Accents */
    --color-neon-blue: #00d4ff;
    --color-neon-cyan: #00ffff;
    --color-neon-purple: #a855f7;
    --color-neon-pink: #ec4899;
    --color-neon-green: #10b981;

    /* Text Colors */
    --color-text-primary: #ffffff;
    --color-text-secondary: #a0a0a0;
    --color-text-tertiary: #707070;
    --color-text-muted: #505050;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-neon-blue), var(--color-neon-purple));
    --gradient-secondary: linear-gradient(135deg, var(--color-neon-cyan), var(--color-neon-blue));
    --gradient-accent: linear-gradient(135deg, var(--color-neon-purple), var(--color-neon-pink));
    --gradient-orb: radial-gradient(circle, rgba(0, 212, 255, 0.3), transparent);

    /* Shadows & Glows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
    --glow-blue: 0 0 20px rgba(0, 212, 255, 0.5);
    --glow-cyan: 0 0 20px rgba(0, 255, 255, 0.5);
    --glow-purple: 0 0 20px rgba(168, 85, 247, 0.5);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;

    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Z-Index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-tooltip: 1050;
}

/* ===================================
   RESET & BASE STYLES
   =================================== */

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

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

::selection {
    background-color: var(--color-neon-blue);
    color: var(--color-bg-primary);
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-neon-blue);
}

/* ===================================
   TYPOGRAPHY
   =================================== */

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: var(--font-size-5xl);
}

h2 {
    font-size: var(--font-size-4xl);
}

h3 {
    font-size: var(--font-size-3xl);
}

h4 {
    font-size: var(--font-size-2xl);
}

h5 {
    font-size: var(--font-size-xl);
}

h6 {
    font-size: var(--font-size-lg);
}

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--color-neon-blue);
    text-decoration: none;
    transition: var(--transition-base);
}

a:hover {
    color: var(--color-neon-cyan);
}

/* ===================================
   UTILITY CLASSES
   =================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

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

/* ===================================
   NAVIGATION
   =================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-base);
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.95);
    box-shadow: var(--shadow-lg);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    font-family: var(--font-mono);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.logo-bracket {
    color: var(--color-neon-blue);
    font-size: var(--font-size-2xl);
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    position: relative;
}

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

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.btn-nav-cta {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--gradient-primary);
    color: var(--color-text-primary);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: var(--transition-base);
    box-shadow: var(--glow-blue);
}

.btn-nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.7);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--color-text-primary);
    transition: var(--transition-base);
}

/* ===================================
   BUTTONS
   =================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: 600;
    font-size: var(--font-size-base);
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.8);
}

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

.btn-secondary:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--color-neon-cyan);
    transform: translateY(-3px);
}

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

.btn-outline:hover {
    background: var(--color-neon-blue);
    color: var(--color-bg-primary);
}

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

/* ===================================
   CARDS & 3D EFFECTS
   =================================== */

.card-3d {
    position: relative;
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    transition: var(--transition-base);
    transform-style: preserve-3d;
}

.card-3d:hover {
    transform: translateY(-10px) rotateX(5deg);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: var(--shadow-lg), var(--glow-blue);
}

.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: var(--gradient-orb);
    opacity: 0;
    transition: var(--transition-slow);
    pointer-events: none;
    border-radius: 50%;
}

.card-3d:hover .card-glow {
    opacity: 0.3;
}

/* ===================================
   HERO SECTION
   =================================== */

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: var(--spacing-3xl) var(--spacing-lg);
}

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

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(50px, 50px);
    }
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--color-neon-blue), transparent);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--color-neon-purple), transparent);
    bottom: 20%;
    right: 10%;
    animation-delay: 5s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--color-neon-cyan), transparent);
    top: 50%;
    left: 50%;
    animation-delay: 10s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(50px, -50px) scale(1.1);
    }

    66% {
        transform: translate(-50px, 50px) scale(0.9);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-text {
    animation: fadeInUp 1s ease;
}

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

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

.hero-greeting {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.greeting-icon {
    font-size: var(--font-size-2xl);
    animation: wave 2s ease-in-out infinite;
}

@keyframes wave {

    0%,
    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: var(--font-size-6xl);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    line-height: 1.1;
}

.name-highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    animation: glow 3s ease-in-out infinite;
}

@keyframes glow {

    0%,
    100% {
        filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5));
    }

    50% {
        filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.8));
    }
}

.hero-title {
    font-size: var(--font-size-3xl);
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    min-height: 60px;
}

.typing-text {
    color: var(--color-neon-cyan);
}

.cursor {
    color: var(--color-neon-blue);
    animation: blink 1s step-end infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.hero-social {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--color-text-secondary);
    font-size: var(--font-size-xl);
    transition: var(--transition-base);
}

.social-link:hover {
    background: var(--gradient-primary);
    color: var(--color-text-primary);
    transform: translateY(-5px);
    box-shadow: var(--glow-blue);
}

.hero-visual {
    position: relative;
    animation: fadeInRight 1s ease;
}

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

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.floating-card {
    animation: floatCard 6s ease-in-out infinite;
}

@keyframes floatCard {

    0%,
    100% {
        transform: translateY(0) rotateY(0deg);
    }

    50% {
        transform: translateY(-20px) rotateY(5deg);
    }
}

.code-window {
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.window-header {
    background: rgba(255, 255, 255, 0.03);
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.window-buttons {
    display: flex;
    gap: var(--spacing-xs);
}

.window-buttons span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.btn-close {
    background: #ff5f56;
}

.btn-minimize {
    background: #ffbd2e;
}

.btn-maximize {
    background: #27c93f;
}

.window-title {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.code-content {
    padding: var(--spacing-lg);
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    line-height: 1.8;
}

.code-keyword {
    color: var(--color-neon-purple);
}

.code-class {
    color: var(--color-neon-cyan);
}

.code-method {
    color: var(--color-neon-blue);
}

.code-string {
    color: var(--color-neon-green);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--color-text-tertiary);
    animation: fadeIn 2s ease;
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.mouse {
    width: 25px;
    height: 40px;
    border: 2px solid var(--color-neon-blue);
    border-radius: 15px;
    margin: 0 auto var(--spacing-sm);
    position: relative;
}

.wheel {
    width: 3px;
    height: 8px;
    background: var(--color-neon-blue);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        top: 8px;
    }

    100% {
        opacity: 0;
        top: 20px;
    }
}

/* ===================================
   SECTION STYLES
   =================================== */

section {
    padding: var(--spacing-3xl) 0;
    position: relative;
    min-height: auto;
}

/* Reduce padding for empty sections */
section:empty,
section:has(.text-center:only-child) {
    padding: 0;
    min-height: 0;
    display: none;
}

/* Dynamic spacing - adjust based on content */
section:not(:has(*)) {
    display: none;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-label {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-neon-blue);
    background: rgba(0, 212, 255, 0.1);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.section-divider {
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto;
    border-radius: var(--radius-lg);
}

/* ===================================
   ABOUT SECTION
   =================================== */

.about-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    aspect-ratio: 1;
}

.image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.image-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: var(--gradient-primary);
    opacity: 0.2;
    filter: blur(60px);
    animation: rotate 10s linear infinite;
}

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

    to {
        transform: rotate(360deg);
    }
}

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    padding: var(--spacing-lg);
    transform: translateY(100%);
    transition: var(--transition-base);
}

.image-wrapper:hover .image-overlay {
    transform: translateY(0);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

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

.stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.text-content {
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.lead-text {
    font-size: var(--font-size-xl);
    color: var(--color-text-primary);
    font-weight: 500;
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-base);
}

.highlight-item:hover {
    border-color: var(--color-neon-blue);
    transform: translateX(10px);
}

.highlight-item i {
    font-size: var(--font-size-2xl);
    color: var(--color-neon-blue);
    min-width: 40px;
}

.highlight-item h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.highlight-item p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin: 0;
}

.about-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ===================================
   SKILLS SECTION
   =================================== */

.skills-container {
    display: grid;
    gap: var(--spacing-xl);
}

.skill-category {
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-base);
}

.skill-category:hover {
    border-color: rgba(0, 212, 255, 0.3);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.category-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.category-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-2xl);
}

.category-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.skill-item {
    background: rgba(255, 255, 255, 0.02);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-base);
    cursor: pointer;
}

.skill-item:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--color-neon-blue);
    transform: translateY(-5px) scale(1.05);
}

.skill-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-sm);
}

.skill-name {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.skill-level {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

/* ===================================
   PROJECTS SECTION
   =================================== */

.projects-filter {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-bg-card);
    color: var(--color-text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-primary);
    color: var(--color-text-primary);
    border-color: transparent;
    box-shadow: var(--glow-blue);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.project-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-base);
    position: relative;
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: var(--shadow-lg), var(--glow-blue);
}

.project-image {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: var(--color-bg-tertiary);
}

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

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

.project-status {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-completed {
    color: var(--color-neon-green);
    border: 1px solid var(--color-neon-green);
}

.status-development {
    color: var(--color-neon-blue);
    border: 1px solid var(--color-neon-blue);
}

.project-content {
    padding: var(--spacing-lg);
}

.project-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.project-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.tech-tag {
    padding: 0.25rem 0.75rem;
    background: rgba(0, 212, 255, 0.1);
    color: var(--color-neon-blue);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: 600;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.project-links {
    display: flex;
    gap: var(--spacing-sm);
}

.project-link {
    flex: 1;
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: var(--transition-base);
}

.project-link:hover {
    background: var(--gradient-primary);
    color: var(--color-text-primary);
    border-color: transparent;
}

/* ===================================
   EXPERIENCE SECTION (Timeline)
   =================================== */

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: var(--gradient-primary);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-3xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.timeline-item:nth-child(even) .timeline-content {
    grid-column: 1;
    grid-row: 1;
}

.timeline-item:nth-child(even) .timeline-date {
    grid-column: 2;
    grid-row: 1;
    text-align: left;
}

.timeline-content {
    background: var(--color-bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-base);
    position: relative;
}

.timeline-content:hover {
    border-color: var(--color-neon-blue);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.timeline-dot {
    position: absolute;
    left: 50%;
    top: 30px;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: var(--gradient-primary);
    border-radius: 50%;
    border: 4px solid var(--color-bg-primary);
    z-index: 1;
    box-shadow: var(--glow-blue);
}

.timeline-date {
    text-align: right;
    padding-top: var(--spacing-md);
}

.date-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--gradient-primary);
    color: var(--color-text-primary);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.experience-role {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.experience-company {
    color: var(--color-neon-blue);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.experience-description {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.experience-skills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

/* ===================================
   CERTIFICATES SECTION
   =================================== */

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

@media (max-width: 768px) {
    .certificates-grid {
        grid-template-columns: 1fr !important;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .certificates-grid {
        grid-template-columns: 1fr !important;
        gap: var(--spacing-md);
        padding: 0 !important;
    }
}

.certificate-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-base);
    cursor: pointer;
}

.certificate-card:hover {
    transform: translateY(-10px) rotateY(5deg);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: var(--shadow-lg), var(--glow-blue);
}

.certificate-image {
    position: relative;
    height: 180px;
    background: var(--color-bg-tertiary);
    overflow: hidden;
}

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

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

.certificate-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-base);
}

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

.certificate-overlay i {
    font-size: var(--font-size-3xl);
    color: var(--color-neon-blue);
}

.certificate-content {
    padding: var(--spacing-lg);
}

.certificate-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.certificate-issuer {
    color: var(--color-neon-blue);
    font-weight: 600;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
}

.certificate-date {
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
}

/* ===================================
   BLOG SECTION
   =================================== */

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.blog-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-base);
}

.blog-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: var(--shadow-lg), var(--glow-blue);
}

.blog-image {
    height: 200px;
    background: var(--color-bg-tertiary);
    overflow: hidden;
}

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

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

.blog-content {
    padding: var(--spacing-lg);
}

.blog-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.blog-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.blog-excerpt {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.blog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-neon-blue);
    font-weight: 600;
    transition: var(--transition-base);
}

.read-more:hover {
    gap: var(--spacing-sm);
}

/* ===================================
   CONTACT SECTION
   =================================== */

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-3xl);
}

.info-card {
    padding: var(--spacing-xl);
    height: fit-content;
}

.info-card h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
}

.info-card>p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.detail-item {
    display: flex;
    gap: var(--spacing-md);
}

.detail-item i {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

.detail-item>div {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.detail-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.detail-item a {
    color: var(--color-text-primary);
    font-weight: 600;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.contact-form-wrapper {
    position: relative;
}

.contact-form {
    padding: var(--spacing-xl);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-text-secondary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    transition: var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-neon-blue);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

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

/* ===================================
   FOOTER
   =================================== */

.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-xl);
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.footer-brand p {
    color: var(--color-text-secondary);
    margin-top: var(--spacing-md);
}

.footer-logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    font-family: var(--font-mono);
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-bottom: var(--spacing-md);
}

.footer-column h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

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

.footer-column ul li {
    margin-bottom: var(--spacing-sm);
}

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

.footer-column ul li a:hover {
    color: var(--color-neon-blue);
    padding-left: var(--spacing-xs);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
}

.footer-bottom p {
    margin-bottom: var(--spacing-xs);
}

.footer-bottom i {
    color: var(--color-neon-pink);
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {

    0%,
    100% {
        transform: scale(1);
    }

    10%,
    30% {
        transform: scale(1.1);
    }

    20%,
    40% {
        transform: scale(1);
    }
}

/* ===================================
   ANIMATIONS (AOS-like)
   =================================== */

[data-aos] {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-down"] {
    transform: translateY(-30px);
}

[data-aos="fade-down"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

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

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .hero-visual {
        order: -1;
    }

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

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

    .timeline::before {
        left: 30px;
    }

    .timeline-item {
        grid-template-columns: 1fr;
        padding-left: 60px;
    }

    .timeline-item:nth-child(even) .timeline-content {
        grid-column: 1;
    }

    .timeline-item:nth-child(even) .timeline-date {
        grid-column: 1;
        text-align: left;
    }

    .timeline-dot {
        left: 30px;
    }

    .timeline-date {
        text-align: left;
    }

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

@media (max-width: 768px) {
    :root {
        --font-size-6xl: 2.5rem;
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: var(--spacing-xl);
        transition: var(--transition-base);
    }

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

    .hamburger {
        display: flex;
    }

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


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

    /* Mobile: Hide code editor, center hero content */
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text {
        order: 1;
        max-width: 100%;
    }

    .hero-visual {
        display: none;
        /* Hide code editor on mobile */
    }

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

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

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

    /* Add padding to move hero content down on mobile */
    .hero-section {
        padding-top: calc(var(--spacing-3xl) + 60px);
        min-height: 100vh;
        display: flex;
        align-items: center;
    }

    .hero-text {
        padding-top: var(--spacing-xl);
    }

    .projects-grid,
    .blog-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        padding: 0;
    }

    .skills-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    section {
        padding: var(--spacing-2xl) 0;
    }

    .hero-section {
        padding: var(--spacing-2xl) var(--spacing-md);
    }
}

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

@media (max-width: 1024px) {
    :root {
        --font-size-6xl: 2.5rem;
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --spacing-3xl: 4rem;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }

    .hero-visual {
        order: -1;
        max-width: 500px;
        margin: 0 auto;
    }

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

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

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

    .about-image {
        max-width: 400px;
        margin: 0 auto;
    }

    .about-highlights {
        justify-content: center;
    }

    .about-actions {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--spacing-xl);
        transition: left 0.3s ease;
        align-items: flex-start;
        overflow-y: auto;
    }

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

    .nav-menu li {
        width: 100%;
    }

    .nav-link {
        display: block;
        width: 100%;
        padding: var(--spacing-md);
        font-size: var(--font-size-lg);
    }

    .hamburger {
        display: flex;
    }

    .btn-nav-cta {
        display: none;
    }

    .hero-section {
        padding: var(--spacing-2xl) var(--spacing-md);
        min-height: auto;
    }

    .hero-name {
        font-size: var(--font-size-4xl);
    }

    .hero-title {
        font-size: var(--font-size-xl);
        min-height: 40px;
    }

    .hero-description {
        font-size: var(--font-size-base);
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

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

    section {
        padding: var(--spacing-2xl) 0;
    }

    .section-title {
        font-size: var(--font-size-3xl);
    }

    .skills-container {
        gap: var(--spacing-lg);
    }

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .certificates-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-xl);
    }

    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .hero-name {
        font-size: var(--font-size-3xl);
    }

    .hero-title {
        font-size: var(--font-size-lg);
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }

    .section-label {
        font-size: var(--font-size-xs);
    }

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

    .social-link {
        width: 45px;
        height: 45px;
        font-size: var(--font-size-lg);
    }

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

    .skill-item {
        padding: var(--spacing-sm);
    }

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

    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }

    .projects-filter {
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }

    .filter-btn {
        flex: 1;
        min-width: 100px;
        font-size: var(--font-size-xs);
    }

    .code-window {
        font-size: var(--font-size-xs);
    }

    .code-content {
        padding: var(--spacing-md);
    }
}

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

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

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