/* ===== CSS Variables & Theme ===== */
:root {
    /* Color Palette */
    --primary: #0f172a;
    --secondary: #1e293b;
    --accent: #10b981;
    --accent-light: #34d399;
    --accent-dark: #059669;
    --gold: #d4af37;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --border: #e2e8f0;
    --bg-light: #f8fafc;
    
    /* Dark Theme */
    --dark-primary: #1e293b;
    --dark-secondary: #0f172a;
    --dark-text: #f1f5f9;
    --dark-text-secondary: #cbd5e1;
    --dark-border: #334155;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --text-primary: var(--dark-text);
    --text-secondary: var(--dark-text-secondary);
    --border: var(--dark-border);
    --bg-light: #334155;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: #ffffff;
    color: var(--text-primary);
    line-height: 1.6;
    transition: var(--transition);
    overflow-x: hidden;
}

[data-theme="dark"] body {
    background: var(--dark-secondary);
}

/* ===== Background Blobs ===== */
.background-blobs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
}

.blob {
    position: absolute;
    border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
    opacity: 0.1;
    animation: blobFloat 8s ease-in-out infinite;
}

.blob-1 {
    width: 500px;
    height: 500px;
    background: #10b981;
    top: -10%;
    left: -5%;
    animation-delay: 0s;
}

.blob-2 {
    width: 400px;
    height: 400px;
    background: #0f172a;
    top: 50%;
    right: -10%;
    animation-delay: 2s;
}

.blob-3 {
    width: 350px;
    height: 350px;
    background: #d4af37;
    bottom: 0;
    left: 30%;
    animation-delay: 4s;
}

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

/* ===== Navigation ===== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

[data-theme="dark"] .navbar {
    background: rgba(15, 23, 42, 0.95);
    border-color: var(--dark-border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    font-weight: 600;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    border-radius: 10px;
    font-weight: 700;
    font-size: 1.1rem;
}

.logo-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo-text h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0;
}

.logo-text p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin: 0;
    font-weight: 500;
}

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

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--accent);
}

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

.theme-toggle {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    background: transparent;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: var(--transition);
}

.theme-toggle:hover {
    background: var(--bg-light);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 50vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem var(--spacing-lg) 0;
    position: relative;
}

.hero-content-full {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
    flex: 1;
}

.hero-text-center {
    text-align: center;
    animation: fadeInUp 0.8s ease-out;
    max-width: 900px;
}

.hero-title {
    font-family: 'Syne', sans-serif;
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

[data-theme="dark"] .hero-title {
    color: var(--dark-text);
}

.highlight {
    background: linear-gradient(135deg, #10b981, #059669);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
}

.btn-secondary {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

[data-theme="dark"] .btn-secondary {
    border-color: var(--dark-text);
    color: var(--dark-text);
}

.btn-secondary:hover {
    background: var(--text-primary);
    color: white;
}

[data-theme="dark"] .btn-secondary:hover {
    background: var(--dark-text);
    color: #0f172a;
}

.btn-large {
    padding: 1.2rem 2.5rem;
    font-size: 1.1rem;
}

/* ===== Quick Stats ===== */
.quick-stats {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-lg) 3rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
    background: transparent;
}

.stat {
    text-align: center;
    animation: slideInUp 0.8s ease-out;
}

.stat h3 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #10b981, #059669);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

.stat p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 60px;
    background: var(--border);
}

[data-theme="dark"] .stat-divider {
    background: var(--dark-border);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* ===== Section Container ===== */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-label {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: var(--spacing-md);
}

.section-header h2 {
    font-family: 'Syne', sans-serif;
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--text-primary);
}

[data-theme="dark"] .section-header h2 {
    color: var(--dark-text);
}

/* ===== About Section ===== */
.about {
    padding: 6rem var(--spacing-lg);
    background: var(--bg-light);
    transition: var(--transition);
}

[data-theme="dark"] .about {
    background: rgba(15, 23, 42, 0.5);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.about-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: var(--transition);
    text-align: center;
}

[data-theme="dark"] .about-card {
    background: var(--dark-primary);
    border-color: var(--dark-border);
}

.about-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(16, 185, 129, 0.15);
}

.card-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(5, 150, 105, 0.2));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--accent);
}

.about-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

[data-theme="dark"] .about-card h3 {
    color: var(--dark-text);
}

.about-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.about-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    background: white;
    padding: 3rem;
    border-radius: 12px;
    border: 1px solid var(--border);
}

[data-theme="dark"] .about-details {
    background: var(--dark-primary);
    border-color: var(--dark-border);
}

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

.profile-img {
    width: 100%;
    max-width: 350px;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(16, 185, 129, 0.15);
    transition: var(--transition);
}

.profile-img:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 50px rgba(16, 185, 129, 0.25);
}

.about-text h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

[data-theme="dark"] .about-text h3 {
    color: var(--dark-text);
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.highlights {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
}

.highlight-badge {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(5, 150, 105, 0.1));
    color: var(--accent);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid var(--accent);
}

/* ===== Education Section ===== */
.education-section {
    margin-top: 4rem;
    padding-top: 4rem;
}

[data-theme="dark"] .education-section {
    border-color: var(--dark-border);
}

.education-section h3 {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

[data-theme="dark"] .education-section h3 {
    color: var(--dark-text);
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.education-card {
    display: flex;
    gap: 1.5rem;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

[data-theme="dark"] .education-card {
    background: var(--dark-primary);
    border-color: var(--dark-border);
}

.education-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(16, 185, 129, 0.1);
    border-color: var(--accent);
}

.education-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(5, 150, 105, 0.2));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--accent);
}

.education-content {
    flex: 1;
}

.education-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

[data-theme="dark"] .education-content h4 {
    color: var(--dark-text);
}

.education-university {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 0.3rem;
    font-weight: 500;
}

.education-status {
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===== Expertise Section ===== */

/* ===== Professional Experience ===== */
.experience-section {
    margin-top: 4rem;
margin-bottom: 4rem; 
}

.experience-section h3 {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

[data-theme="dark"] .experience-section h3 {
    color: var(--dark-text);
}

/* GRID (same logic as education-grid) */
.experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

/* CARD (same as education-card style) */
.experience-card {
    display: flex;
    gap: 1.5rem;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

[data-theme="dark"] .experience-card {
    background: var(--dark-primary);
    border-color: var(--dark-border);
}

.experience-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(16, 185, 129, 0.1);
    border-color: var(--accent);
}

/* ICON (match education icon) */
.experience-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(5, 150, 105, 0.2));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--accent);
}

/* CONTENT */
.experience-content {
    flex: 1;
}

.experience-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--text-primary);
}

[data-theme="dark"] .experience-content h4 {
    color: var(--dark-text);
}

.experience-company {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 0.3rem;
}

.experience-duration {
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 0.8rem;
}

/* LIST */
.experience-content ul {
    padding-left: 18px;
}

.experience-content li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
    line-height: 1.6;
}

/* MOBILE */
@media (max-width: 768px) {
    .experience-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .experience-icon {
        margin-bottom: 1rem;
    }

    .experience-content ul {
        text-align: left;
    }
}

.expertise {
    padding: 6rem var(--spacing-lg);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.expertise-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

[data-theme="dark"] .expertise-card {
    background: var(--dark-primary);
    border-color: var(--dark-border);
}

.expertise-card:hover {
    box-shadow: 0 20px 40px rgba(16, 185, 129, 0.15);
    transform: translateY(-5px);
}

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

.card-header i {
    font-size: 1.8rem;
    color: var(--accent);
    width: 40px;
}

.card-header h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
}

[data-theme="dark"] .card-header h3 {
    color: var(--dark-text);
}

.skill-list {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.skill-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

[data-theme="dark"] .skill-name {
    color: var(--dark-text);
}

.skill-bar {
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
}

[data-theme="dark"] .skill-bar {
    background: var(--dark-border);
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, #10b981, #059669);
    border-radius: 3px;
    animation: growWidth 1.5s ease-out forwards;
}

@keyframes growWidth {
    from {
        width: 0 !important;
    }
}

.technical-skills {
    background: white;
    padding: 3rem;
    border-radius: 12px;
    border: 1px solid var(--border);
}

[data-theme="dark"] .technical-skills {
    background: var(--dark-primary);
    border-color: var(--dark-border);
}

.technical-skills h3 {
    margin-bottom: var(--spacing-lg);
    font-size: 1.3rem;
    color: var(--text-primary);
}

[data-theme="dark"] .technical-skills h3 {
    color: var(--dark-text);
}

.skills-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.skill-tag {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(5, 150, 105, 0.1));
    color: var(--accent);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid var(--accent);
    transition: var(--transition);
}

.skill-tag:hover {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

/* ===== Projects Section ===== */

/* Project Buttons */
.project-buttons {
    display: flex;
    gap: 12px;
    margin-top: 15px;
}

.icon-btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 45px !important;
    height: 45px !important;
    border-radius: 50% !important;
    color: white !important;
    text-decoration: none !important;
    font-size: 18px !important;
    transition: all 0.3s ease !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2) !important;
    border: none !important;
    padding: 0 !important;
}

.icon-btn:hover {
    transform: translateY(-4px) scale(1.15) !important;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3) !important;
}
.projects {
    padding: 6rem var(--spacing-lg);
    background: var(--bg-light);
    transition: var(--transition);
}

[data-theme="dark"] .projects {
    background: rgba(15, 23, 42, 0.5);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.project-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
}

[data-theme="dark"] .project-card {
    background: var(--dark-primary);
    border-color: var(--dark-border);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(16, 185, 129, 0.2);
}

.project-image {
    position: relative;
    height: 220px;
    overflow: hidden;
    background: linear-gradient(135deg, #f0f9ff, #f0fdf4);
}

[data-theme="dark"] .project-image {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(5, 150, 105, 0.1));
}

.project-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

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

.project-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(16, 185, 129, 0.9);
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.project-content {
    padding: 1.8rem;
}

.project-content h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

[data-theme="dark"] .project-content h3 {
    color: var(--dark-text);
}

.project-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.tag {
    display: inline-block;
    padding: 0.35rem 0.8rem;
    background: var(--bg-light);
    color: var(--text-secondary);
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

[data-theme="dark"] .tag {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-light);
}

/* ===== CV Section ===== */
.cv-section {
    padding: 6rem var(--spacing-lg);
    background: white;
    transition: var(--transition);
}

[data-theme="dark"] .cv-section {
    background: var(--dark-secondary);
}

/* Card */
.cv-card {
    text-align: center;
    background: var(--bg-light);
    padding: 3rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    max-width: 1200px;
    margin: 0 auto;
    transition: var(--transition);
}

[data-theme="dark"] .cv-card {
    background: var(--dark-primary);
    border-color: var(--dark-border);
}

/* Hover */
.cv-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(16, 185, 129, 0.15);
}

/* Text */
.cv-card h2 {
    font-family: 'Syne', sans-serif;
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

[data-theme="dark"] .cv-card h2 {
    color: var(--dark-text);
}

.cv-card p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* Button alignment */
.cv-card .btn {
    justify-content: center;
}

/* ===== Contact Section ===== */
/* ===== Contact Section ===== */
.contact {
    padding: 6rem var(--spacing-lg);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(2, 2fr);  /* ← 4 COLUMNS (4x2 layout) */
    gap: 2rem;
}

.info-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: var(--transition);
    text-align: center;
}

[data-theme="dark"] .info-card {
    background: var(--dark-primary);
    border-color: var(--dark-border);
}

.info-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.1);
}

.info-card i {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: var(--spacing-md);
}

.info-card h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

[data-theme="dark"] .info-card h4 {
    color: var(--dark-text);
}

.info-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
}

.contact-link {
    display: inline-block;
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

.contact-link:hover {
    color: var(--accent-dark);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    text-decoration: none;
    transition: var(--transition);
}

[data-theme="dark"] .social-links a {
    background: rgba(16, 185, 129, 0.1);
}

.social-links a:hover {
    background: var(--accent);
    color: white;
    transform: translateY(-4px);
}

/* Responsive */
@media (max-width: 1024px) {
    .contact-info {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .contact-info {
        grid-template-columns: 1fr;
    }
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border);
}

[data-theme="dark"] .contact-form {
    background: var(--dark-primary);
    border-color: var(--dark-border);
}

.contact-form h3 {
    margin-bottom: var(--spacing-lg);
    font-size: 1.3rem;
    color: var(--text-primary);
}

[data-theme="dark"] .contact-form h3 {
    color: var(--dark-text);
}

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-size: 0.95rem;
}

[data-theme="dark"] .form-group label {
    color: var(--dark-text);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    background: var(--bg-light);
    color: var(--text-primary);
    transition: var(--transition);
}

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group textarea {
    background: rgba(0, 0, 0, 0.3);
    border-color: var(--dark-border);
    color: var(--dark-text);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

/* ===== Footer ===== */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 3rem var(--spacing-lg);
    border-top: 1px solid var(--border);
}

[data-theme="dark"] .footer {
    background: var(--dark-secondary);
    border-color: var(--dark-border);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    text-align: center;
}

.footer-info h3 {
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.footer-info p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-lg);
}

.copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-lg);
}

.back-to-top {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
    margin-top: var(--spacing-md);
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 20px rgba(16, 185, 129, 0.3);
}

/* ===== WhatsApp Button ===== */
.whatsapp-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: #25d366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: var(--transition);
    z-index: 999;
}

.whatsapp-btn:hover {
    transform: translateY(-4px) scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .about-grid,
    .expertise-grid,
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-title {
        font-size: 2.8rem;
    }

    .quick-stats {
        gap: 3rem;
        padding: var(--spacing-md) var(--spacing-lg) 2rem;
    }
}

@media (max-width: 768px) {
    .about-grid,
    .expertise-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: 2rem var(--spacing-lg) 0;
    }

    .hero-content-full {
        min-height: auto;
        padding: 0 var(--spacing-lg);
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

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

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        min-width: 250px;
    }

    .quick-stats {
        gap: 2rem;
        flex-direction: column;
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .stat-divider {
        display: none;
    }

    .stat h3 {
        font-size: 2rem;
    }

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

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

    .nav-links {
        display: none;
    }

    .section-header h2 {
        font-size: 2rem;
    }

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

    .education-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .education-icon {
        margin-bottom: 1rem;
    }
}