/* CSS Custom Properties */
:root {
    /* Main color palette */
    --primary-chocolate: #944E2F;
    --deep-chocolate: #26140C;
    --medium-chocolate: #492617;
    --light-chocolate: #713B24;
    --accent-chocolate: #B7603A;

    /* Extended palette for variety */
    --chocolate-100: #F5E6D3;
    --chocolate-200: #E8D5B7;
    --chocolate-300: #D4B896;
    --chocolate-400: #C19A6B;
    --chocolate-500: #B7603A;
    --chocolate-600: #944E2F;
    --chocolate-700: #713B24;
    --chocolate-800: #492617;
    --chocolate-900: #26140C;

    /* Complementary tones */
    --warm-cream: #F7F1E8;
    --coffee-light: #8B6F47;
    --earth-beige: #C8A882;
    --burnt-orange: #CC6B3A;
    --caramel: #D4A574;

    /* Background and surface colors */
    --dark-bg: #1A0F08;
    --card-bg: #2A1912;
    --text-light: #F7F1E8;
    --text-gray: #C8A882;
    --glass-bg: rgba(26, 15, 8, 0.9);
    --border-glass: rgba(148, 78, 47, 0.15);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --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;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.6s ease;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-family);
    background: var(--dark-bg);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-8);
}

.section {
    min-height: 100vh;
    padding: var(--space-16) 0;
}

/* Background Shapes */
.bg-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: -1;
}

.shape {
    position: absolute;
    opacity: 0.2;
    animation: float 20s infinite ease-in-out;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    25% {
        transform: translateY(-20px) rotate(90deg);
    }
    50% {
        transform: translateY(-10px) rotate(180deg);
    }
    75% {
        transform: translateY(-30px) rotate(270deg);
    }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    z-index: 1000;
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--border-glass);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    padding: var(--space-2) 0;
    box-shadow: 0 10px 30px rgba(38, 20, 12, 0.4);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--space-8);
}

.logo {
    position: relative;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    overflow: hidden;
}

.logo-image {
    width: 55px;
    height: 55px;
    object-fit: contain;
    transition: all var(--transition-base);
    filter: drop-shadow(0 0 10px rgba(148, 78, 47, 0.4));
}

.logo:hover .logo-image {
    transform: scale(1.15);
    filter: drop-shadow(0 0 20px rgba(183, 96, 58, 0.7)) brightness(1.1);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--space-8);
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-base);
    position: relative;
    padding: var(--space-2) 0;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-chocolate);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-chocolate);
    transition: width var(--transition-base);
}

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

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: var(--font-size-2xl);
    cursor: pointer;
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
    position: relative;
    padding: 0 var(--space-8);
}

.hero-content {
    max-width: 800px;
}

.hero-title {
    font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
    font-weight: 800;
    margin-bottom: var(--space-4);
    background: linear-gradient(135deg, var(--primary-chocolate), var(--accent-chocolate), var(--burnt-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glow 3s ease-in-out infinite alternate;
}

@keyframes glow {
    from {
        filter: drop-shadow(0 0 20px rgba(148, 78, 47, 0.4));
    }
    to {
        filter: drop-shadow(0 0 30px rgba(183, 96, 58, 0.7));
    }
}

.hero-subtitle {
    font-size: clamp(var(--font-size-lg), 3vw, var(--font-size-2xl));
    color: var(--text-gray);
    margin-bottom: var(--space-8);
    font-weight: 400;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-gray);
    margin-bottom: var(--space-12);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.cta-button {
    background: linear-gradient(135deg, var(--primary-chocolate), var(--deep-chocolate));
    color: var(--warm-cream);
    padding: var(--space-4) var(--space-8);
    border: none;
    border-radius: 50px;
    font-size: var(--font-size-lg);
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all var(--transition-base);
    box-shadow: 0 10px 30px rgba(148, 78, 47, 0.3);
    position: relative;
    overflow: hidden;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(183, 96, 58, 0.4);
    background: linear-gradient(135deg, var(--accent-chocolate), var(--primary-chocolate));
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(247, 241, 232, 0.2), transparent);
    transition: left 0.5s;
}

.cta-button:hover::before {
    left: 100%;
}

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: var(--space-8);
    border: 1px solid var(--border-glass);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    height: 100%;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-chocolate), var(--accent-chocolate));
}

.card:hover {
    transform: translateY(-5px);
    border-color: rgba(148, 78, 47, 0.4);
    box-shadow: 0 20px 40px rgba(148, 78, 47, 0.15);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-12);
    color: var(--primary-chocolate);
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--space-12);
    align-items: flex-start;
}

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

.avatar {
    width: 210px;
    height: 230px;
    border-radius: 20%;
    background: linear-gradient(135deg, var(--primary-chocolate), var(--deep-chocolate));
    padding: 1px;
    display: flex;
    margin-top: var(--space-8);
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all var(--transition-base);
}

.avatar::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 20%;
    background: linear-gradient(135deg, var(--primary-chocolate), var(--accent-chocolate), var(--burnt-orange));
    z-index: -1;
    opacity: 0.7;
    transition: all var(--transition-base);
}

.avatar:hover::before {
    opacity: 1;
    transform: scale(1.05);
    box-shadow: 0 0 40px rgba(183, 96, 58, 0.5);
}

.avatar img {
    width: 100%;
    height: 100%;
    border-radius: 20%;
    object-fit: cover;
    border: .5px solid var(--dark-bg);
    transition: all var(--transition-base);
}

.avatar:hover img {
    transform: scale(1.02);
}

.about-description {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-8);
    line-height: 1.8;
}

.about-description a {
    color: var(--primary-chocolate);
    text-decoration: none;
    font-weight: 600;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-base);
    position: relative;
}

.about-description a:hover {
    color: var(--accent-chocolate);
    border-bottom-color: var(--accent-chocolate);
}

.about-description a:visited {
    color: var(--light-chocolate);
}

.skills-section {
    margin-top: var(--space-8);
}

.skills-title {
    color: var(--primary-chocolate);
    margin-bottom: var(--space-4);
    font-size: var(--font-size-xl);
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.skill-tag {
    background: rgba(148, 78, 47, 0.12);
    color: var(--accent-chocolate);
    padding: var(--space-2) var(--space-4);
    border-radius: 25px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    border: 1px solid rgba(148, 78, 47, 0.25);
    transition: all var(--transition-base);
    cursor: default;
}

.skill-tag:hover {
    background: rgba(183, 96, 58, 0.2);
    color: var(--chocolate-100);
    border-color: var(--accent-chocolate);
    transform: scale(1.05);
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.project-title {
    color: var(--primary-chocolate);
    margin-bottom: var(--space-4);
    font-size: var(--font-size-xl);
}

.project-description {
    margin-bottom: var(--space-6);
    color: var(--text-gray);
}

.project-buttons {
    margin-top: var(--space-6);
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.project-btn {
    padding: var(--space-2) var(--space-4);
    border-radius: 8px;
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-base);
    border: 1px solid;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.project-btn-repo {
    background: rgba(148, 78, 47, 0.12);
    color: var(--accent-chocolate);
    border-color: rgba(148, 78, 47, 0.3);
}

.project-btn-demo {
    background: linear-gradient(135deg, var(--primary-chocolate), var(--deep-chocolate));
    color: var(--warm-cream);
    border-color: var(--primary-chocolate);
}

.project-btn-docs {
    background: rgba(200, 168, 130, 0.15);
    color: var(--text-light);
    border-color: rgba(200, 168, 130, 0.3);
}

.project-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(148, 78, 47, 0.25);
}

.project-btn-repo:hover {
    background: rgba(183, 96, 58, 0.25);
    border-color: var(--accent-chocolate);
    color: var(--chocolate-100);
}

.project-btn-demo:hover {
    background: linear-gradient(135deg, var(--accent-chocolate), var(--primary-chocolate));
    box-shadow: 0 8px 25px rgba(183, 96, 58, 0.4);
}

.project-btn-docs:hover {
    background: rgba(200, 168, 130, 0.25);
    color: var(--caramel);
}

/* Blog Grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-12);
}

.blog-post {
    display: block;
    text-decoration: none;
    color: inherit;
    height: 100%;
}

.blog-date {
    color: var(--text-gray);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-2);
}

.blog-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--text-light);
    transition: color var(--transition-base);
}

.blog-subtitle {
    color: var(--text-gray);
    font-size: var(--font-size-sm);
    font-weight: 400;
    margin-bottom: var(--space-3);
    font-style: italic;
    line-height: 1.4;
}

.blog-post:hover .blog-title {
    color: var(--primary-chocolate);
}

.blog-excerpt {
    color: var(--text-gray);
    margin-bottom: var(--space-4);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.read-more {
    color: var(--primary-chocolate);
    font-weight: 500;
    text-decoration: none;
    transition: color var(--transition-base);
}

.read-more:hover {
    color: var(--accent-chocolate);
}

.medium-indicator {
    background: rgba(148, 78, 47, 0.12);
    color: var(--accent-chocolate);
    padding: var(--space-1) var(--space-2);
    border-radius: 12px;
    font-size: var(--font-size-xs);
    font-weight: 500;
}

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

@keyframes slideUp {
    from { transform: translateX(-50%) translateY(100px); opacity: 0; }
    to { transform: translateX(-50%) translateY(0); opacity: 1; }
}

/* Certifications Grid */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--space-6);
    justify-content: center;
    justify-items: center;
    margin-top: var(--space-8);
}

.certification-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    transition: all var(--transition-base);
    position: relative;
    padding: var(--space-3);
    border-radius: 12px;
    background: rgba(148, 78, 47, 0.08);
    border: 1px solid var(--border-glass);
    max-width: 180px;
    height: 100%;
}

.certification-badge:hover {
    transform: translateY(-5px);
    background: rgba(148, 78, 47, 0.15);
    box-shadow: 0 10px 25px rgba(148, 78, 47, 0.2);
    border-color: rgba(148, 78, 47, 0.4);
}

.certification-badge img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    transition: transform var(--transition-base);
}

.certification-badge:hover img {
    transform: scale(1.05);
}

.certification-title {
    color: var(--text-gray);
    font-size: var(--font-size-sm);
    text-align: center;
    margin-top: var(--space-3);
    font-weight: 500;
    transition: color var(--transition-base);
}

.certification-badge:hover .certification-title {
    color: var(--accent-chocolate);
}

/* Contact form section */
.contact-form-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border-glass);
    box-shadow: 0 20px 40px rgba(148, 78, 47, 0.15);
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info-section {
    background: linear-gradient(135deg, var(--primary-chocolate) 0%, var(--deep-chocolate) 100%);
    padding: var(--space-16) var(--space-12);
    color: var(--warm-cream);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.contact-info-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(247, 241, 232, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(247, 241, 232, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.contact-info-content {
    position: relative;
    z-index: 2;
}

.contact-info-content h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--space-6);
    line-height: 1.2;
}

.contact-info-content p {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    opacity: 0.9;
    margin-bottom: var(--space-12);
}

.contact-details {
    margin-bottom: var(--space-8);
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: var(--space-4);
    font-size: var(--font-size-base);
    transition: transform 0.3s ease;
}

.contact-item a {
    color: var(--warm-cream);
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
}

.contact-item a:hover {
    color: var(--chocolate-100);
    transform: translateX(5px);
}

.contact-item svg {
    width: 20px;
    height: 20px;
    margin-right: var(--space-3);
    opacity: 0.8;
    fill: currentColor;
}

.social-links {
    display: flex;
    gap: var(--space-4);
    position: relative;
    z-index: 2;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(247, 241, 232, 0.12);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    text-decoration: none;
    backdrop-filter: blur(10px);
}

.social-link:hover {
    background: rgba(247, 241, 232, 0.25);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(38, 20, 12, 0.3);
}

.social-link svg {
    width: 18px;
    height: 18px;
    fill: var(--warm-cream);
}

.form-section {
    padding: var(--space-16) var(--space-12);
    background: var(--card-bg);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
    margin-bottom: var(--space-6);
}

.form-group {
    position: relative;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

label {
    display: block;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: var(--space-2);
    font-size: var(--font-size-sm);
}

.required {
    color: var(--primary-chocolate);
}

input, textarea {
    width: 100%;
    padding: var(--space-4);
    border: 2px solid var(--border-glass);
    border-radius: 12px;
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
    background: rgba(26, 15, 8, 0.6);
    color: var(--text-light);
    font-family: var(--font-family);
}

input::placeholder, textarea::placeholder {
    color: var(--text-gray);
    opacity: 0.7;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-chocolate);
    box-shadow: 0 0 0 3px rgba(148, 78, 47, 0.15);
    background: rgba(26, 15, 8, 0.9);
}

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

.char-count {
    text-align: right;
    font-size: var(--font-size-xs);
    color: var(--text-gray);
    margin-top: var(--space-1);
}

.submit-btn {
    background: linear-gradient(135deg, var(--primary-chocolate) 0%, var(--deep-chocolate) 100%);
    color: var(--warm-cream);
    padding: var(--space-4) var(--space-8);
    border: none;
    border-radius: 12px;
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 10px 30px rgba(148, 78, 47, 0.3);
    position: relative;
    overflow: hidden;
    width: 100%;
    margin-top: var(--space-4);
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(247, 241, 232, 0.2), transparent);
    transition: left 0.5s;
}

.submit-btn:hover {
    background: linear-gradient(135deg, var(--accent-chocolate) 0%, var(--primary-chocolate) 100%);
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(183, 96, 58, 0.4);
}

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

/* Form animations */
.form-group {
    opacity: 0;
    transform: translateY(20px);
    animation: slideUp 0.6s ease forwards;
}

.form-group:nth-child(1) { animation-delay: 0.1s; }
.form-group:nth-child(2) { animation-delay: 0.2s; }
.form-group:nth-child(3) { animation-delay: 0.3s; }
.form-group:nth-child(4) { animation-delay: 0.4s; }
.form-group:nth-child(5) { animation-delay: 0.5s; }

.submit-btn {
    opacity: 0;
    transform: translateY(20px);
    animation: slideUp 0.6s ease 0.6s forwards;
}

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

/* Success/Error messages */
.form-message {
    padding: var(--space-4);
    border-radius: 8px;
    margin-bottom: var(--space-6);
    font-size: var(--font-size-sm);
    display: none;
}

.form-message.success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #22c55e;
}

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

/* Footer */
.footer {
    background: var(--card-bg);
    padding: var(--space-8);
    text-align: center;
    border-top: 1px solid var(--border-glass);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-slow);
}

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

/* Visitor Counter */
.visitor-counter-container {
    margin-top: var(--space-6);
    display: flex;
    justify-content: center;
}

.visitor-counter {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(148, 78, 47, 0.12);
    border: 1px solid var(--border-glass);
    border-radius: 25px;
    color: var(--accent-chocolate);
    font-family: var(--font-family);
    transition: all var(--transition-base);
    backdrop-filter: blur(5px);
}

.visitor-counter:hover {
    transform: translateY(-2px);
    background: rgba(148, 78, 47, 0.2);
    border-color: rgba(148, 78, 47, 0.4);
}

.counter-label {
    font-weight: 500;
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

.counter-number {
    font-weight: 600;
    font-size: var(--font-size-base);
    min-width: 40px;
    text-align: center;
}

.counter-number.loading {
    animation: pulse 1.5s ease-in-out infinite;
}

.counter-number.loaded {
    animation: bounce 0.6s ease-out;
}

.counter-number.error {
    color: #D4A574;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-3px); }
    60% { transform: translateY(-2px); }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--glass-bg);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--space-4);
        border-bottom: 1px solid var(--border-glass);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        max-height: 70vh;
        overflow-y: auto;
    }

    .nav-links.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-8);
    }

    .about-image {
        height: 300px;
    }

    .avatar {
        width: 180px;
        height: 200px;
        margin-top: 0;
    }

    .container {
        padding: 0 var(--space-4);
    }

    .section {
        padding: var(--space-12) 0;
    }

    .hero {
        padding: 0 var(--space-4);
    }

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

    .certifications-grid {
        grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
        gap: var(--space-4);
    }

    .certification-badge img {
        width: 100px;
        height: 100px;
    }

    .contact-form-container {
        grid-template-columns: 1fr;
        margin: 0 var(--space-4);
    }

    .contact-info-section,
    .form-section {
        padding: var(--space-12) var(--space-8);
    }

    .form-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .contact-info-content h2 {
        font-size: var(--font-size-2xl);
    }

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

    .visitor-counter {
        padding: var(--space-1) var(--space-3);
    }

    .counter-label,
    .counter-number {
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-4);
    }

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

    .avatar {
        width: 150px;
        height: 150px;
        font-size: 3rem;
    }

    .skills-grid {
        justify-content: center;
    }

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

    .contact-form-container {
        margin: 0;
    }

    .contact-info-section,
    .form-section {
        padding: var(--space-8) var(--space-6);
    }
}