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

:root {
    /* Color Palette - SaaS Indigo/Green */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #22c55e;
    --secondary-light: #4ade80;
    --accent: #22c55e;
    --dark-bg: #0f172a;
    --dark-card: #111c35;
    --dark-border: #253252;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --success: #22c55e;
    --warning: #fff3cd;
    --error: #ffd6d6;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 3.5rem;
    --spacing-2xl: 5rem;
    --spacing-3xl: 7rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    --hero-gradient: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(34, 197, 94, 0.06));
    --heading-gradient: linear-gradient(135deg, var(--primary), var(--primary-light));
    --button-gradient: linear-gradient(135deg, var(--primary), var(--primary-dark));
    --surface-1: rgba(17, 28, 53, 0.92);
    --surface-2: rgba(15, 23, 42, 0.96);
    --surface-border: rgba(148, 163, 184, 0.14);
    --nav-bg: rgba(15, 23, 42, 0.8);
    --nav-mobile-bg: rgba(15, 23, 42, 0.96);
    --bg-top: #1e293b;
    --bg-bottom: #020617;
}

body[data-theme='light'] {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary: #f59e0b;
    --secondary-light: #fbbf24;
    --accent: #f59e0b;
    --dark-bg: #ffffff;
    --dark-card: #f8fafc;
    --dark-border: #dbe3ef;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --hero-gradient: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(245, 158, 11, 0.1));
    --heading-gradient: linear-gradient(135deg, #1d4ed8, #2563eb);
    --button-gradient: linear-gradient(135deg, #2563eb, #1d4ed8);
    --surface-1: rgba(255, 255, 255, 0.94);
    --surface-2: rgba(248, 250, 252, 0.98);
    --surface-border: rgba(107, 114, 128, 0.25);
    --nav-bg: rgba(255, 255, 255, 0.92);
    --nav-mobile-bg: rgba(255, 255, 255, 0.98);
    --bg-top: #ffffff;
    --bg-bottom: #f3f4f6;
}

body[data-theme='neo'] {
    --primary: #7c3aed;
    --primary-dark: #6d28d9;
    --primary-light: #06b6d4;
    --secondary: #f43f5e;
    --secondary-light: #fb7185;
    --accent: #f43f5e;
    --dark-bg: #0b0f19;
    --dark-card: #111827;
    --dark-border: #1f2937;
    --text-primary: #f9fafb;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --hero-gradient: linear-gradient(135deg, rgba(124, 58, 237, 0.3), rgba(6, 182, 212, 0.22));
    --heading-gradient: linear-gradient(90deg, #7c3aed, #06b6d4);
    --button-gradient: linear-gradient(90deg, #7c3aed, #06b6d4);
    --surface-1: rgba(17, 24, 39, 0.88);
    --surface-2: rgba(11, 15, 25, 0.94);
    --surface-border: rgba(124, 58, 237, 0.35);
    --nav-bg: rgba(11, 15, 25, 0.85);
    --nav-mobile-bg: rgba(11, 15, 25, 0.96);
    --bg-top: #111827;
    --bg-bottom: #0b0f19;
}

/* ==================== GLOBAL STYLES ==================== */

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: radial-gradient(circle at top, var(--bg-top) 0%, var(--dark-bg) 55%, var(--bg-bottom) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

body::before,
body::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -2;
}

body::before {
    background:
        radial-gradient(circle at 20% 20%, rgba(99, 102, 241, 0.24), transparent 42%),
        radial-gradient(circle at 80% 15%, rgba(34, 197, 94, 0.14), transparent 36%),
        radial-gradient(circle at 50% 90%, rgba(99, 102, 241, 0.16), transparent 38%);
    animation: meshShift 18s ease-in-out infinite alternate;
}

body::after {
    background-image: radial-gradient(rgba(148, 163, 184, 0.08) 0.6px, transparent 0.6px);
    background-size: 28px 28px;
    opacity: 0.35;
    z-index: -1;
}

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    z-index: 2000;
    box-shadow: 0 0 22px rgba(99, 102, 241, 0.6);
}

.cursor-glow {
    width: 220px;
    height: 220px;
    position: fixed;
    left: 0;
    top: 0;
    pointer-events: none;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.18) 0%, rgba(99, 102, 241, 0.05) 38%, transparent 70%);
    filter: blur(4px);
    transform: translate(-50%, -50%);
    z-index: 0;
}

.back-to-top {
    width: 46px;
    height: 46px;
    border: 1px solid rgba(148, 163, 184, 0.3);
    background: rgba(15, 23, 42, 0.82);
    color: var(--text-primary);
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    right: 26px;
    bottom: 24px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: var(--transition);
    z-index: 1200;
    cursor: pointer;
}

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

.back-to-top:hover {
    border-color: rgba(99, 102, 241, 0.5);
    background: rgba(99, 102, 241, 0.25);
    transform: translateY(-3px);
}

/* ==================== NAVBAR ==================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--nav-bg);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(148, 163, 184, 0.16);
    padding: var(--spacing-md) 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'Poppins', sans-serif;
    letter-spacing: 2px;
}

.logo-bracket {
    color: var(--primary);
}

.logo-text {
    color: var(--text-primary);
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
    border-radius: 2px;
}

.theme-toggle {
    border: 1px solid var(--surface-border);
    background: var(--surface-1);
    color: var(--text-primary);
    border-radius: 999px;
    padding: 8px 12px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.86rem;
}

.theme-toggle:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px var(--spacing-lg) var(--spacing-2xl);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 600px;
    height: 600px;
    background: var(--hero-gradient);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: float 8s ease-in-out infinite;
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 1;
    width: 100%;
}

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

.hero-text {
    z-index: 2;
}

.hero-title {
    font-family: 'Poppins', sans-serif;
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    font-weight: 800;
    letter-spacing: -1px;
}

.hero-title .highlight {
    background: var(--heading-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    max-width: 500px;
}

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

.btn {
    padding: 14px 34px;
    border-radius: var(--radius-lg);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary {
    background: var(--button-gradient);
    color: #f8fafc;
    box-shadow: 0 14px 40px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 55px rgba(99, 102, 241, 0.45);
}

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

.btn-secondary:hover {
    background: rgba(99, 102, 241, 0.12);
    transform: translateY(-3px);
}

.btn-large {
    padding: 16px 48px;
    font-size: 1.125rem;
}

.hero-tech-stack {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.tech-badge {
    background: rgba(148, 163, 184, 0.08);
    border: 1px solid rgba(148, 163, 184, 0.2);
    color: var(--text-primary);
    padding: 6px 14px;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.tech-badge:hover {
    background: rgba(99, 102, 241, 0.18);
    border-color: rgba(99, 102, 241, 0.35);
    transform: translateY(-2px);
}

.tech-badge i {
    font-size: 1rem;
}

.hero-visual {
    position: relative;
    height: 500px;
}

.floating-card {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    background: linear-gradient(135deg, var(--surface-1), var(--surface-2));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(99, 102, 241, 0.22);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    width: 350px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: float 6s ease-in-out infinite;
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(148, 163, 184, 0.22);
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-family: 'Inter', sans-serif;
}

.code-dots {
    font-size: 1.5rem;
    letter-spacing: 4px;
}

.code-snippet {
    font-family: 'Inter', sans-serif;
}

.code-snippet pre {
    background: none;
    border: none;
    padding: 0;
    overflow: visible;
}

.code-snippet code {
    color: var(--primary);
    font-size: 0.875rem;
    line-height: 1.8;
}

.floating-sphere {
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle at 30% 30%, rgba(99, 102, 241, 0.26), rgba(34, 197, 94, 0.14), transparent);
    border-radius: 50%;
    bottom: 50px;
    left: 50px;
    animation: float-slow 8s ease-in-out infinite;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s ease-in-out infinite;
}

.mouse {
    width: 30px;
    height: 50px;
    stroke: var(--primary);
}

.scroll-wheel {
    animation: scroll 2s ease-in-out infinite;
}

/* ==================== SECTIONS GENERAL ==================== */

.section {
    padding: calc(var(--spacing-3xl) + 0.5rem) var(--spacing-lg);
    position: relative;
}

.section-title {
    font-family: 'Poppins', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: calc(var(--spacing-3xl) - 0.5rem);
    text-align: center;
    background: var(--heading-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

.about-text p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.stat {
    background: rgba(17, 28, 53, 0.78);
    border: 1px solid var(--primary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
}

.stat:hover {
    background: rgba(255, 255, 255, 0.04);
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.6);
    transform: translateY(-5px);
}

.stat h3 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

.stat p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.skill-sphere {
    position: relative;
    width: 300px;
    height: 300px;
    margin: 0 auto;
}

.sphere-item {
    position: absolute;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
    font-size: 0.78rem;
    text-align: center;
    cursor: default;
    transition: var(--transition);
    box-shadow: 0 14px 40px rgba(15, 23, 42, 0.4);
    color: #f8fafc;
}

.sphere-item:nth-child(1) { top: 0; left: 50%; transform: translateX(-50%); }
.sphere-item:nth-child(2) { top: 20%; right: 0; }
.sphere-item:nth-child(3) { top: 20%; left: 0; }
.sphere-item:nth-child(4) { bottom: 20%; right: 0; }
.sphere-item:nth-child(5) { bottom: 20%; left: 0; }
.sphere-item:nth-child(6) { bottom: 0; left: 50%; transform: translateX(-50%); }

.sphere-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 50px rgba(15, 23, 42, 0.55);
}

.sphere-item:nth-child(2),
.sphere-item:nth-child(4),
.sphere-item:nth-child(6) {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
    color: #0f172a;
}

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

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.skill-category {
    background: linear-gradient(135deg, var(--surface-1), var(--surface-2));
    border: 1px solid var(--surface-border);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.skill-category:hover {
    border-color: rgba(99, 102, 241, 0.35);
    transform: translateY(-5px);
    box-shadow: 0 22px 55px rgba(15, 23, 42, 0.65);
}

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

.skill-header i {
    font-size: 2rem;
    color: var(--primary);
}

.skill-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
}

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

.skill-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.skill-item span {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.skill-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 3px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 3px;
    animation: fillProgress 1.8s cubic-bezier(0.25, 0.1, 0.25, 1) forwards;
}

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

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

.project-card {
    background: linear-gradient(135deg, var(--surface-1), var(--surface-2));
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-slow);
    cursor: pointer;
}

.project-card:hover {
    border-color: rgba(99, 102, 241, 0.35);
    transform: translateY(-6px);
    box-shadow: 0 28px 70px rgba(30, 41, 59, 0.7);
}

.project-image {
    position: relative;
    height: 250px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(34, 197, 94, 0.06));
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.project-placeholder {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 1.1rem;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.96);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    opacity: 0;
    transition: var(--transition);
    backdrop-filter: blur(5px);
}

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

.project-btn {
    color: var(--secondary);
    border: 2px solid var(--secondary);
    padding: 8px 20px;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

.project-btn:hover {
    background: var(--secondary);
    color: var(--dark-bg);
}

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

.project-content h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.75;
}

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

.project-tags span {
    background: rgba(148, 163, 184, 0.12);
    color: var(--text-secondary);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* ==================== EXPERIENCE SECTION ==================== */

.timeline {
    position: relative;
    padding: var(--spacing-lg) 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary), var(--secondary));
}

.timeline-item {
    margin-bottom: var(--spacing-3xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
    text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
    order: 2;
    text-align: left;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    border: 3px solid var(--dark-bg);
    z-index: 10;
}

.timeline-content {
    background: linear-gradient(135deg, var(--surface-1), var(--surface-2));
    border: 1px solid var(--surface-border);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.timeline-content:hover {
    border-color: rgba(99, 102, 241, 0.35);
    box-shadow: 0 20px 55px rgba(30, 41, 59, 0.7);
}

.timeline-content h3 {
    font-size: 1.25rem;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

.timeline-content .company {
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

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

.achievements {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.achievements li {
    color: var(--text-secondary);
    position: relative;
    padding-left: var(--spacing-lg);
    font-size: 0.95rem;
}

.achievements li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

.timeline-date {
    text-align: center;
    color: var(--text-secondary);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

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

.contact-methods {
    margin-bottom: var(--spacing-2xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-method {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.contact-method i {
    color: var(--primary);
    font-size: 1.5rem;
    margin-top: 4px;
}

.contact-method h4 {
    color: var(--text-primary);
    margin-bottom: 4px;
}

.contact-method p {
    margin: 0;
}

.contact-method a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

.contact-method a:hover {
    color: var(--secondary);
    text-decoration: underline;
}

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

.social-link {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: rgba(148, 163, 184, 0.1);
    border: 1px solid rgba(148, 163, 184, 0.22);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    transition: var(--transition);
    text-decoration: none;
}

.social-link:hover {
    background: rgba(99, 102, 241, 0.2);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.contact-form {
    background: linear-gradient(135deg, var(--surface-1), var(--surface-2));
    border: 1px solid var(--surface-border);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group input,
.form-group textarea {
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(245, 245, 245, 0.06);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    transition: var(--transition);
    font-size: 1rem;
}

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

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    background: rgba(0, 0, 0, 0.7);
    border-color: rgba(245, 245, 245, 0.18);
    box-shadow: 0 0 25px rgba(0, 0, 0, 0.9);
}

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

.footer {
    background: var(--nav-mobile-bg);
    border-top: 1px solid rgba(148, 163, 184, 0.16);
    padding: var(--spacing-2xl) var(--spacing-lg);
    text-align: center;
    color: var(--text-secondary);
}

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

.heart {
    color: var(--secondary);
    animation: heartbeat 2s ease-in-out infinite;
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

/* ==================== ANIMATIONS ==================== */

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

@keyframes meshShift {
    0% {
        transform: scale(1) translate(0, 0);
    }
    50% {
        transform: scale(1.05) translate(-2%, 1.5%);
    }
    100% {
        transform: scale(1.08) translate(2%, -1%);
    }
}

@keyframes float-slow {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(8px);
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(4px);
    }
}

@keyframes scroll {
    0% {
        transform: translateY(-8px);
        opacity: 1;
    }
    100% {
        transform: translateY(8px);
        opacity: 0;
    }
}

@keyframes fillProgress {
    from {
        width: 0%;
    }
}

@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    25% {
        transform: scale(1.2);
    }
    50% {
        transform: scale(1);
    }
}

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

@media (max-width: 1024px) {
    .hero {
        padding: 80px var(--spacing-lg) var(--spacing-lg);
    }

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

    .hero-visual {
        display: none;
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

    .timeline::before {
        display: none;
    }

    .timeline-item {
        grid-template-columns: 1fr;
    }

    .timeline-item::before {
        display: none;
    }

    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        text-align: left;
    }

    .timeline-item:nth-child(even) .timeline-content {
        order: unset;
    }

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

    .footer-content {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
    }

    .nav-menu {
        display: none;
    }

    .nav-menu.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--nav-mobile-bg);
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        border-bottom: 1px solid var(--surface-border);
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(10px, 10px);
    }

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

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

    .hero-title {
        font-size: 2rem;
    }

    .cursor-glow {
        display: none;
    }

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

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

    .btn {
        padding: 12px 24px;
        width: fit-content;
    }

    .section-title {
        font-size: 2rem;
    }

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

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

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .hero-tech-stack {
        gap: var(--spacing-xs);
    }

    .tech-badge {
        padding: 6px 12px;
        font-size: 0.75rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .back-to-top {
        right: 16px;
        bottom: 16px;
    }

    .footer-links {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* ==================== SCROLLBAR STYLING ==================== */

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

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

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-light);
}
/* ==================== TECH FILTER ENHANCEMENTS ==================== */

.tech-badge {
    cursor: pointer;
}

.tech-badge.active {
    background: rgba(99, 102, 241, 0.24);
    border-color: rgba(99, 102, 241, 0.42);
    color: var(--text-primary);
}

.fullstack .impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.impact-card {
    background: linear-gradient(135deg, var(--surface-1), var(--surface-2));
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: var(--transition);
}

.impact-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.25);
}

.impact-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.impact-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.reading-subtitle {
    text-align: center;
    color: var(--text-secondary);
    max-width: 720px;
    margin: -2.5rem auto 2.5rem;
}

.reading-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--spacing-lg);
}

.book-card {
    background: linear-gradient(135deg, var(--surface-1), var(--surface-2));
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-lg);
    padding: 1rem;
    transition: var(--transition);
}

.book-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: 0 16px 36px rgba(15, 23, 42, 0.3);
}

.book-cover {
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    border-radius: 0.75rem;
    margin-bottom: 0.9rem;
}

.book-card h3 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 0.35rem;
}

.book-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.project-card.hidden {
    opacity: 0.1;
    transform: scale(0.95);
    pointer-events: none;
    transition: 0.3s ease;
}

.project-card.highlighted {
    border-color: rgba(34, 197, 94, 0.45) !important;
    box-shadow: 0 0 40px rgba(34, 197, 94, 0.2);
    transform: translateY(-6px) scale(1.02);
    transition: 0.4s ease;
}

/* Progressive section transitions */
.section,
.hero {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.section.is-visible,
.hero.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.section.no-transition {
    opacity: 1;
    transform: translateY(0);
}