/* ================================================
   FARHAN PORTFOLIO — Premium Dark Glassmorphism
   ================================================ */

/* --------- CSS Variables --------- */
:root {
    --bg-primary: #0a0118;
    --bg-secondary: #120425;
    --bg-tertiary: #1a0533;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-hover: rgba(255, 255, 255, 0.06);
    --accent-primary: #c770f0;
    --accent-secondary: #8b5cf6;
    --accent-tertiary: #6366f1;
    --accent-gradient: linear-gradient(135deg, #c770f0, #8b5cf6, #6366f1);
    --accent-glow: rgba(139, 92, 246, 0.3);
    --text-primary: #f1f0f5;
    --text-secondary: #a3a0b5;
    --text-muted: #6b6880;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-glow: 0 0 30px rgba(199, 112, 240, 0.15);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

#main-content {
    flex: 1;
}

a { color: var(--accent-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-secondary); }
img { max-width: 100%; height: auto; }
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; }

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.accent { color: var(--accent-primary); }

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    text-align: center;
    margin-bottom: 16px;
}

.section-subtitle {
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 48px;
    font-size: 1.05rem;
}

/* --------- Scrollbar --------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--accent-secondary); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-primary); }

/* --------- Particles --------- */
.particles {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.particle {
    position: absolute;
    left: var(--x);
    top: var(--y);
    width: var(--size);
    height: var(--size);
    background: var(--accent-primary);
    border-radius: 50%;
    opacity: var(--opacity);
    animation: particleFloat var(--duration) var(--delay) infinite ease-in-out;
}

@keyframes particleFloat {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: var(--opacity); }
    25% { transform: translate(30px, -50px) scale(1.2); }
    50% { transform: translate(-20px, -100px) scale(0.8); opacity: calc(var(--opacity) * 1.5); }
    75% { transform: translate(40px, -50px) scale(1.1); }
}

/* --------- Navbar --------- */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 1, 24, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 10px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

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

.nav-logo { display: flex; align-items: center; gap: 8px; }
.logo-text { font-size: 1.8rem; font-weight: 800; color: var(--text-primary); letter-spacing: -1px; }
.logo-text .accent { font-size: 2.2rem; }

.nav-links {
    display: flex;
    list-style: none;
    gap: 4px;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

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

.nav-links a.active {
    color: var(--accent-primary);
    background: rgba(199, 112, 240, 0.1);
}

.nav-links a i { font-size: 0.85rem; }

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    flex-direction: column;
    gap: 5px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--accent-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* --------- Hero Section --------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    z-index: 1;
    padding-top: 80px;
    background: radial-gradient(ellipse at 20% 50%, rgba(139, 92, 246, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 20%, rgba(99, 102, 241, 0.06) 0%, transparent 50%);
}

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

.hero-text h1 {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 8px;
    line-height: 1.15;
}

.hero-text .wave {
    display: inline-block;
    animation: wave 2.1s infinite;
    transform-origin: 70% 70%;
}

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

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.typewriter-text {
    font-size: clamp(1.2rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 32px;
    min-height: 2.5em;
}

.typewriter-cursor {
    display: inline-block;
    width: 3px;
    height: 1.2em;
    background: var(--accent-primary);
    margin-left: 4px;
    animation: blink 1s infinite;
    vertical-align: middle;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-avatar {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-avatar img {
    width: 320px;
    height: 320px;
    object-fit: contain;
    filter: drop-shadow(0 0 40px rgba(199, 112, 240, 0.2));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* --------- Buttons --------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: var(--font-family);
}

.btn-primary {
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.4);
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--accent-primary);
    border: 1.5px solid var(--accent-primary);
}

.btn-outline:hover {
    background: rgba(199, 112, 240, 0.1);
    transform: translateY(-2px);
    color: var(--accent-primary);
}

.btn-sm {
    padding: 8px 18px;
    font-size: 0.85rem;
}

/* --------- Glass Card --------- */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition);
}

.glass-card:hover {
    background: var(--glass-hover);
    border-color: rgba(199, 112, 240, 0.15);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

/* --------- Section --------- */
.section {
    padding: 100px 0;
    position: relative;
    z-index: 1;
}

.section-alt {
    background: var(--bg-secondary);
}

/* --------- Intro Section --------- */
.intro-section {
    padding: 80px 0;
    position: relative;
    z-index: 1;
}

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

.intro-text h2 {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    margin-bottom: 24px;
}

.intro-body {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
}

.intro-body .purple { color: var(--accent-primary); font-weight: 600; }

.intro-avatar {
    display: flex;
    justify-content: center;
}

.intro-avatar img {
    width: 280px;
    border-radius: var(--radius-xl);
    filter: drop-shadow(0 0 30px var(--accent-glow));
}

.social-links {
    display: flex;
    gap: 16px;
    margin-top: 32px;
    flex-wrap: wrap;
}

.social-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: var(--transition);
}

.social-icon:hover {
    background: var(--accent-gradient);
    color: #fff;
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: 0 4px 15px var(--accent-glow);
}

/* --------- Project Cards --------- */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 28px;
}

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

.project-card:hover {
    transform: translateY(-6px);
    border-color: rgba(199, 112, 240, 0.2);
    box-shadow: 0 12px 40px rgba(139, 92, 246, 0.15);
}

.project-card-image {
    position: relative;
    overflow: hidden;
    height: 200px;
}

.project-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.project-card-image::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 60%;
    background: linear-gradient(transparent, rgba(10, 1, 24, 0.9));
}

.project-card-body {
    padding: 24px;
}

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

.project-card-body p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-card-actions {
    display: flex;
    gap: 10px;
}

.project-badge {
    display: inline-block;
    padding: 2px 10px;
    background: rgba(139, 92, 246, 0.15);
    color: var(--accent-primary);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    margin-bottom: 8px;
}

/* --------- Tech Stack Grid --------- */
.tech-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

.tech-item {
    width: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px 12px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    transition: var(--transition);
    font-size: 2.5rem;
    color: var(--accent-primary);
}

.tech-item:hover {
    transform: translateY(-4px);
    border-color: rgba(199, 112, 240, 0.3);
    box-shadow: 0 4px 20px var(--accent-glow);
}

.tech-item span {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-align: center;
}

/* --------- Certificate Cards --------- */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

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

.cert-card:hover {
    transform: translateY(-4px);
    border-color: rgba(199, 112, 240, 0.2);
    box-shadow: var(--shadow-glow);
}

.cert-card-image {
    overflow: hidden;
    cursor: pointer;
}

.cert-card-image img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.cert-card:hover .cert-card-image img { transform: scale(1.03); }

.cert-card-body {
    padding: 20px;
}

.cert-card-body h3 {
    font-size: 1rem;
    margin-bottom: 6px;
}

.cert-card-body .cert-issuer {
    color: var(--accent-primary);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 4px;
}

.cert-card-body .cert-desc {
    color: var(--text-muted);
    font-size: 0.82rem;
    margin-bottom: 12px;
}

.cert-card-actions {
    display: flex;
    gap: 10px;
}

/* --------- Contact Form --------- */
.contact-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: start;
}

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

.form-control {
    width: 100%;
    padding: 14px 18px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(199, 112, 240, 0.1);
}

.form-control::placeholder { color: var(--text-muted); }

textarea.form-control { resize: vertical; min-height: 150px; }

.alert {
    padding: 14px 20px;
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    font-size: 0.9rem;
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #4ade80;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
}

/* --------- Blog --------- */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 28px;
}

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

.blog-card:hover {
    transform: translateY(-4px);
    border-color: rgba(199, 112, 240, 0.2);
    box-shadow: var(--shadow-glow);
}

.blog-card-image {
    height: 200px;
    overflow: hidden;
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}

.blog-card:hover .blog-card-image img { transform: scale(1.05); }

.blog-card-body {
    padding: 24px;
}

.blog-card-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 10px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.blog-card-meta .category-badge {
    background: rgba(139, 92, 246, 0.15);
    color: var(--accent-primary);
    padding: 2px 10px;
    border-radius: 20px;
    font-weight: 500;
}

.blog-card-body h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--text-primary);
    line-height: 1.4;
}

.blog-card-body h3 a { color: inherit; }
.blog-card-body h3 a:hover { color: var(--accent-primary); }

.blog-card-excerpt {
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Blog Post Detail */
.blog-post {
    max-width: 800px;
    margin: 0 auto;
    padding-top: 120px;
}

.blog-post-header {
    margin-bottom: 40px;
}

.blog-post-header h1 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    margin-bottom: 16px;
    line-height: 1.25;
}

.blog-post-meta {
    display: flex;
    gap: 20px;
    color: var(--text-muted);
    font-size: 0.9rem;
    flex-wrap: wrap;
}

.blog-post-content {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--text-secondary);
}

.blog-post-content h2 { font-size: 1.6rem; color: var(--text-primary); margin: 40px 0 16px; }
.blog-post-content h3 { font-size: 1.3rem; color: var(--text-primary); margin: 32px 0 12px; }
.blog-post-content p { margin-bottom: 20px; }
.blog-post-content a { color: var(--accent-primary); text-decoration: underline; }
.blog-post-content img { border-radius: var(--radius-md); margin: 24px 0; }
.blog-post-content ul, .blog-post-content ol { margin: 16px 0; padding-left: 24px; }
.blog-post-content li { margin-bottom: 8px; }
.blog-post-content blockquote {
    border-left: 3px solid var(--accent-primary);
    padding: 12px 20px;
    margin: 24px 0;
    background: var(--glass-bg);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-style: italic;
    color: var(--text-secondary);
}
.blog-post-content code {
    background: rgba(139, 92, 246, 0.1);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.9em;
    color: var(--accent-primary);
}
.blog-post-content pre {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 20px;
    overflow-x: auto;
    margin: 24px 0;
}
.blog-post-content pre code {
    background: none;
    padding: 0;
    color: var(--text-primary);
}

.blog-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 40px;
}

.tag-badge {
    display: inline-block;
    padding: 4px 14px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.tag-badge:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.blog-share {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    gap: 16px;
}

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

.related-posts {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--glass-border);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
    list-style: none;
}

.pagination a, .pagination span {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    transition: var(--transition);
}

.pagination a {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
}

.pagination a:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.pagination .active span {
    background: var(--accent-gradient);
    color: #fff;
}

/* --------- GitHub Calendar --------- */
.github-section { margin-top: 60px; }

.github-calendar {
    overflow-x: auto;
    padding: 20px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
}

/* --------- Footer --------- */
.footer {
    background: rgba(10, 1, 24, 0.95);
    border-top: 1px solid var(--glass-border);
    padding: 24px 0;
    position: relative;
    z-index: 1;
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

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

.footer-socials {
    display: flex;
    gap: 12px;
}

.footer-socials a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-socials a:hover {
    color: var(--accent-primary);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

/* --------- Lightbox Modal --------- */
.lightbox {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    padding: 40px;
}

.lightbox.active { display: flex; }

.lightbox img {
    max-width: 90%;
    max-height: 90vh;
    border-radius: var(--radius-md);
    box-shadow: 0 0 60px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: absolute;
    top: 20px; right: 30px;
    font-size: 2rem;
    color: #fff;
    cursor: pointer;
    background: none;
    border: none;
    z-index: 2001;
}

/* --------- Scroll Animations --------- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --------- NGL (Anonymous Messages) --------- */
.ngl-section {
    padding-top: 120px;
}

/* --------- About Quote --------- */
.quote-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    margin-top: 24px;
}

.quote-text {
    font-style: italic;
    color: var(--accent-primary);
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.quote-author {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.hobbies-list {
    list-style: none;
    margin-top: 16px;
}

.hobbies-list li {
    color: var(--text-secondary);
    padding: 6px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.hobbies-list li i {
    color: var(--accent-primary);
    font-size: 0.8rem;
}

/* --------- Contact Info --------- */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-info-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(139, 92, 246, 0.1);
    color: var(--accent-primary);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.contact-info-text h4 { font-size: 0.9rem; margin-bottom: 2px; }
.contact-info-text p { color: var(--text-muted); font-size: 0.85rem; }

/* --------- Empty State --------- */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.3;
}

/* --------- Responsive --------- */
@media (max-width: 768px) {
    .nav-toggle { display: flex; }

    .nav-links {
        display: none;
        position: fixed;
        top: 0; left: 0;
        width: 100%; height: 100vh;
        background: rgba(10, 1, 24, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 8px;
    }

    .nav-links.open { display: flex; }
    .nav-links a { font-size: 1.2rem; padding: 14px 32px; }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-buttons { justify-content: center; }
    .hero-avatar img { width: 200px; height: 200px; }

    .intro-grid { grid-template-columns: 1fr; text-align: center; }
    .social-links { justify-content: center; }
    .intro-avatar { order: -1; }

    .project-grid { grid-template-columns: 1fr; }
    .cert-grid { grid-template-columns: 1fr; }
    .blog-grid { grid-template-columns: 1fr; }

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

    .tech-grid { grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)); }
    .tech-item { font-size: 2rem; padding: 14px 8px; }

    .footer-container {
        flex-direction: column;
        text-align: center;
    }

    .section { padding: 60px 0; }
}

@media (max-width: 480px) {
    .hero-text h1 { font-size: 1.8rem; }
    .typewriter-text { font-size: 1.1rem; }
    .project-card-image { height: 160px; }
}