/* ========================================
   Design System - Laith Hindawi Portfolio
   ======================================== */

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

:root {
    /* Colors - Baby Blue Theme */
    --primary: #5eb9f0;
    --primary-light: #89ccf7;
    --primary-dark: #3a9de0;
    --accent: #7dd3fc;
    --accent-light: #a5e1ff;
    
    --bg-primary: #0a0e1a;
    --bg-secondary: #0f1525;
    --bg-card: rgba(15, 21, 37, 0.8);
    --bg-card-hover: rgba(20, 28, 50, 0.9);
    --bg-glass: rgba(255, 255, 255, 0.03);
    
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --border: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(94, 185, 240, 0.3);
    
    --gradient-primary: linear-gradient(135deg, #5eb9f0, #7dd3fc);
    --gradient-accent: linear-gradient(135deg, #a78bfa, #5eb9f0);
    --gradient-warm: linear-gradient(135deg, #f97316, #ef4444);
    --gradient-cool: linear-gradient(135deg, #7dd3fc, #34d399);
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(94, 185, 240, 0.15);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-sans);
    background: 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(--primary);
    color: white;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    display: block;
}

/* ========================================
   Loading Screen
   ======================================== */
#loading-screen {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

.loader {
    position: relative;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loader-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px solid transparent;
    border-radius: 50%;
}

.loader-ring:nth-child(1) {
    border-top-color: var(--primary);
    animation: loader-spin 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
}

.loader-ring:nth-child(2) {
    width: 85%;
    height: 85%;
    border-right-color: var(--accent);
    animation: loader-spin 1.6s cubic-bezier(0.5, 0, 0.5, 1) infinite reverse;
}

.loader-ring:nth-child(3) {
    width: 70%;
    height: 70%;
    border-bottom-color: #a5e1ff;
    animation: loader-spin 2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
}

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

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

/* ========================================
   Cursor Glow
   ======================================== */
.cursor-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(94, 185, 240, 0.06) 0%, transparent 70%);
    pointer-events: none;
    z-index: 1;
    transform: translate(-50%, -50%);
    transition: transform 0.1s ease;
    will-change: transform;
}

/* ========================================
   Container
   ======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(11, 13, 23, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 10px 0;
}

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

.logo {
    font-family: var(--font-mono);
    font-size: 1.3rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 2px;
    text-decoration: none;
}

.logo-bracket {
    color: var(--text-muted);
    font-weight: 400;
}

.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: 8px;
}

.nav-link {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    transition: all var(--transition);
    position: relative;
}

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

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

.nav-resume-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-light);
    border: 1px solid var(--border-hover);
    border-radius: var(--radius-full);
    transition: all var(--transition);
}

.nav-resume-btn:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-1px);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
    z-index: 1001;
}

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

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(94, 185, 240, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(94, 185, 240, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 20%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 20%, transparent 100%);
}

.hero-gradient {
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(94, 185, 240, 0.12) 0%, transparent 70%);
    filter: blur(60px);
}

.floating-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.08;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: var(--primary);
    top: 10%;
    right: 15%;
    animation: float-slow 20s ease-in-out infinite;
}

.shape-2 {
    width: 200px;
    height: 200px;
    background: var(--accent);
    bottom: 20%;
    left: 10%;
    animation: float-slow 15s ease-in-out infinite reverse;
}

.shape-3 {
    width: 150px;
    height: 150px;
    background: #a5e1ff;
    top: 50%;
    right: 30%;
    animation: float-slow 18s ease-in-out infinite;
}

.shape-4 {
    width: 100px;
    height: 100px;
    background: var(--primary-light);
    top: 30%;
    left: 20%;
    animation: float-slow 25s ease-in-out infinite reverse;
}

.shape-5 {
    width: 250px;
    height: 250px;
    background: var(--accent-light);
    bottom: 10%;
    right: 5%;
    animation: float-slow 22s ease-in-out infinite;
}

@keyframes float-slow {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -20px) scale(1.05); }
    50% { transform: translate(-20px, 30px) scale(0.95); }
    75% { transform: translate(20px, 20px) scale(1.02); }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 20px;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 28px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #10b981;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
    50% { opacity: 0.8; box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
}

.hero-content h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

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

.hero-role {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-mono);
    font-size: 1.15rem;
    margin-bottom: 24px;
    min-height: 1.8em;
}

.role-prefix {
    color: var(--primary);
    font-weight: 600;
}

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

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

@keyframes blink {
    50% { opacity: 0; }
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 36px;
    line-height: 1.8;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn i {
    font-size: 0.85rem;
    transition: transform var(--transition);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(94, 185, 240, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(94, 185, 240, 0.4);
}

.btn-primary:hover i {
    transform: translateX(4px);
}

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

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary-light);
    background: rgba(94, 185, 240, 0.05);
    transform: translateY(-2px);
}

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

.hero-social {
    display: flex;
    gap: 12px;
}

.hero-social a {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: all var(--transition);
}

.hero-social a:hover {
    border-color: var(--primary);
    color: var(--primary-light);
    background: rgba(94, 185, 240, 0.1);
    transform: translateY(-3px);
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--primary), transparent);
    animation: scroll-down 2s ease-in-out infinite;
}

@keyframes scroll-down {
    0% { transform: scaleY(0); transform-origin: top; opacity: 1; }
    50% { transform: scaleY(1); transform-origin: top; opacity: 0.5; }
    100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* ========================================
   Section Styles
   ======================================== */
.section {
    padding: 120px 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 16px;
    padding: 6px 16px;
    background: rgba(94, 185, 240, 0.1);
    border-radius: var(--radius-full);
    border: 1px solid rgba(94, 185, 240, 0.2);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   About Section
   ======================================== */
.about {
    background: var(--bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
    align-items: center;
}

.about-code-card {
    background: #1a1d2e;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    max-width: 420px;
}

.code-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 18px;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border);
}

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

.code-dot.red { background: #ef4444; }
.code-dot.yellow { background: #f59e0b; }
.code-dot.green { background: #10b981; }

.code-filename {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.code-body {
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.8;
    overflow-x: auto;
}

.code-keyword { color: #c084fc; }
.code-var { color: #67e8f9; }
.code-prop { color: #89ccf7; }
.code-string { color: #86efac; }
.code-bool { color: #f97316; }
.code-comment { color: var(--text-muted); font-style: italic; }

.about-lead {
    font-size: 1.15rem;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-text {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 1rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 36px;
    padding-top: 36px;
    border-top: 1px solid var(--border);
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline;
}

.stat-plus {
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

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

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

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

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

.service-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: rgba(94, 185, 240, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.4rem;
    color: var(--primary-light);
    transition: all var(--transition);
}

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

.service-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

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

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

.service-tech span {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 4px 12px;
    background: rgba(94, 185, 240, 0.08);
    color: var(--primary-light);
    border-radius: var(--radius-full);
    border: 1px solid rgba(94, 185, 240, 0.15);
}

/* ========================================
   Skills Section
   ======================================== */
.skills {
    background: var(--bg-secondary);
}

.skills-categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
}

.category-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 28px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.category-title i {
    color: var(--primary-light);
    font-size: 1rem;
}

.skills-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.skill-info {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    font-weight: 500;
}

.skill-info i {
    color: var(--primary-light);
    width: 20px;
    text-align: center;
    font-size: 1rem;
}

.skill-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    width: 0;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.skill-fill::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    width: 6px;
    height: 100%;
    background: white;
    border-radius: 50%;
    opacity: 0.8;
}

/* ========================================
   Projects Section
   ======================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

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

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

.project-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.project-image-bg {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.9);
    transition: transform var(--transition-slow);
}

.project-card:hover .project-image-bg {
    transform: scale(1.05);
}

.gradient-1 { background: var(--gradient-primary); }
.gradient-2 { background: var(--gradient-accent); }
.gradient-3 { background: var(--gradient-warm); }
.gradient-4 { background: var(--gradient-cool); }

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(11, 13, 23, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition);
}

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

.project-links {
    display: flex;
    gap: 12px;
}

.project-link {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: white;
    color: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all var(--transition);
    transform: translateY(10px);
}

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

.project-link:hover {
    background: var(--primary);
    color: white;
    transform: scale(1.1) !important;
}

.project-body {
    padding: 24px;
}

.project-category {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}

.project-body h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.project-body p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

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

.project-tags span {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    padding: 4px 12px;
    background: rgba(94, 185, 240, 0.08);
    color: var(--primary-light);
    border-radius: var(--radius-full);
    border: 1px solid rgba(94, 185, 240, 0.12);
}

/* ========================================
   Experience / Timeline
   ======================================== */
.experience {
    background: var(--bg-secondary);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), var(--accent), transparent);
}

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

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

.timeline-marker {
    position: absolute;
    left: -40px;
    top: 4px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 2px solid var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: var(--primary-light);
    z-index: 1;
}

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

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

.timeline-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 4px 12px;
    background: rgba(94, 185, 240, 0.1);
    color: var(--primary-light);
    border-radius: var(--radius-full);
    margin-bottom: 12px;
}

.timeline-badge.education {
    background: rgba(125, 211, 252, 0.1);
    color: var(--accent-light);
}

.timeline-content h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.timeline-company {
    display: block;
    font-size: 0.9rem;
    color: var(--primary-light);
    margin-bottom: 4px;
}

.timeline-date {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.timeline-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

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

.timeline-tags span {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    padding: 3px 10px;
    background: rgba(94, 185, 240, 0.08);
    color: var(--primary-light);
    border-radius: var(--radius-full);
    border: 1px solid rgba(94, 185, 240, 0.12);
}

/* ========================================
   Comments / Testimonials
   ======================================== */
.comments-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.comment-form-container {
    margin-bottom: 48px;
}

.comment-form,
.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-group small {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    transition: all var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(94, 185, 240, 0.03);
    box-shadow: 0 0 0 3px rgba(94, 185, 240, 0.1);
}

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

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

.form-message {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    display: none;
}

.form-message.success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #10b981;
    display: block;
}

.form-message.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
    display: block;
}

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

.comment {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    transition: all var(--transition);
}

.comment:hover {
    border-color: var(--border-hover);
}

.comment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.comment-author {
    font-weight: 600;
    color: var(--primary-light);
    font-size: 0.95rem;
}

.comment-date {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.comment-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    background: var(--bg-secondary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 48px;
    align-items: start;
}

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin-bottom: 24px;
}

.contact-card-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 0;
}

.contact-card-item:not(:last-child) {
    border-bottom: 1px solid var(--border);
}

.contact-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: rgba(94, 185, 240, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-light);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.contact-card-item h4 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.contact-card-item a,
.contact-card-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: color var(--transition);
}

.contact-card-item a:hover {
    color: var(--primary-light);
}

.contact-social h4 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.social-row {
    display: flex;
    gap: 12px;
}

.social-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    transition: all var(--transition);
}

.social-btn:hover {
    border-color: var(--primary);
    color: var(--primary-light);
    background: rgba(94, 185, 240, 0.05);
    transform: translateY(-2px);
}

.social-btn i {
    font-size: 1rem;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--bg-primary);
    padding: 64px 0 24px;
    border-top: 1px solid var(--border);
}

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

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 16px;
    max-width: 300px;
    line-height: 1.7;
}

.footer-logo {
    font-family: var(--font-mono);
    font-size: 1.3rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 2px;
}

.footer-links h4,
.footer-connect h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: color var(--transition);
}

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

.footer-social {
    display: flex;
    gap: 10px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1rem;
    transition: all var(--transition);
}

.footer-social a:hover {
    border-color: var(--primary);
    color: var(--primary-light);
    background: rgba(94, 185, 240, 0.1);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--border);
    text-align: center;
}

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

/* ========================================
   Back to Top
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition);
    z-index: 100;
    box-shadow: 0 4px 20px rgba(94, 185, 240, 0.3);
}

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

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(94, 185, 240, 0.4);
}

/* ========================================
   Scroll Animations
   ======================================== */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

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

[data-animate].animated {
    opacity: 1;
    transform: translate(0);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        max-width: 320px;
        height: 100vh;
        background: rgba(11, 13, 23, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 100px 32px 32px;
        gap: 4px;
        transition: right var(--transition);
        border-left: 1px solid var(--border);
    }

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

    .nav-link {
        font-size: 1rem;
        padding: 14px 20px;
        border-radius: var(--radius-md);
    }
    
    .nav-resume-btn {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-content h1 {
        font-size: 2.2rem;
    }

    .hero-role {
        font-size: 1rem;
    }

    .hero-description {
        font-size: 1rem;
    }

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

    .hero-actions .btn {
        justify-content: center;
    }

    .hero-scroll {
        display: none;
    }

    .section {
        padding: 80px 0;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-visual {
        order: -1;
    }

    .about-code-card {
        max-width: 100%;
    }

    .about-stats {
        gap: 16px;
    }

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

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

    .skills-categories {
        grid-template-columns: 1fr;
        gap: 32px;
    }

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

    .timeline {
        padding-left: 32px;
    }

    .timeline::before {
        left: 11px;
    }

    .timeline-marker {
        left: -32px;
        width: 24px;
        height: 24px;
        font-size: 0.65rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .cursor-glow {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: 1.7rem;
    }

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

    .stat-number {
        font-size: 1.6rem;
    }

    .stat-label {
        font-size: 0.75rem;
    }

    .timeline-content {
        padding: 20px;
    }

    .comment-form,
    .contact-form {
        padding: 20px;
    }
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    .navbar,
    .back-to-top,
    .cursor-glow,
    .hero-bg,
    .hero-scroll,
    #loading-screen {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .section {
        padding: 40px 0;
    }
}