:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --primary-bg: rgba(99, 102, 241, 0.08);
    --secondary: #06b6d4;
    --accent: #f59e0b;
    --bg: #ffffff;
    --bg-alt: #f8fafc;
    --bg-card: #ffffff;
    --text: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.1);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

[data-theme="dark"] {
    --primary: #818cf8;
    --primary-dark: #6366f1;
    --primary-light: #a5b4fc;
    --primary-bg: rgba(129, 140, 248, 0.1);
    --bg: #0f172a;
    --bg-alt: #1e293b;
    --bg-card: #1e293b;
    --text: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border: #334155;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

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

[data-theme="dark"] .nav-link { color: #94a3b8; }
[data-theme="dark"] .nav-link:hover,
[data-theme="dark"] .nav-link.active { color: #818cf8; }

[data-theme="dark"] .hamburger span { background: #f1f5f9; }

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
    transition: background var(--transition), color var(--transition);
    cursor: default;
}

::selection {
    background: var(--primary);
    color: #fff;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

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

/* Loader */
.loader {
    position: fixed;
    inset: 0;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s, visibility 0.5s;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border);
    transition: background var(--transition), border-color var(--transition);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text);
    text-decoration: none;
    letter-spacing: -1px;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all var(--transition);
    position: relative;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text);
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.theme-toggle:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    padding: 5px;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2.5px;
    background: var(--text);
    border-radius: 3px;
    transition: all 0.3s;
}

.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    background: var(--primary-bg);
    color: var(--primary);
    padding: 6px 18px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 12px;
    letter-spacing: -1px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 500px;
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    font-family: var(--font);
}

.btn:active { transform: scale(0.97); }

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
}

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

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-bg);
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    background: linear-gradient(135deg, #f8fafc 0%, #eef2ff 100%);
    position: relative;
    overflow: hidden;
}

.hero-bg-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.07;
}

.shape-1 {
    width: 600px; height: 600px;
    background: var(--primary);
    top: -200px; right: -200px;
    animation: floatShape 20s ease-in-out infinite;
}

.shape-2 {
    width: 400px; height: 400px;
    background: var(--secondary);
    bottom: -100px; left: -100px;
    animation: floatShape 25s ease-in-out infinite reverse;
}

.shape-3 {
    width: 300px; height: 300px;
    background: var(--accent);
    top: 50%; left: 50%;
    animation: floatShape 18s ease-in-out infinite;
}

@keyframes floatShape {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(50px, -50px) scale(1.1); }
    66% { transform: translate(-30px, 30px) scale(0.9); }
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
    position: relative;
    z-index: 1;
}

.hero-text { flex: 1; }

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.hero-greeting {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 500;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 10px;
    letter-spacing: -2px;
    color: var(--text);
}

.cursor-blink {
    animation: blink 0.8s step-end infinite;
    color: var(--primary);
    font-weight: 300;
}

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

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 16px;
}

.hero-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 500px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 30px;
}

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

.stat-number {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text);
    line-height: 1;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

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

.hero-social a {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: all var(--transition);
    text-decoration: none;
}

.hero-social a:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-bg);
    transform: translateY(-3px);
}

.hero-visual { flex: 1; display: flex; justify-content: center; }

.hero-img-wrapper {
    position: relative;
    width: 380px;
    height: 380px;
}

.hero-img-main {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 7rem;
    color: #fff;
    position: relative;
    z-index: 2;
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.3);
    overflow: hidden;
}

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

.hero-img-ring {
    position: absolute;
    inset: -15px;
    border-radius: 50%;
    border: 2px dashed var(--primary-light);
    animation: spin 20s linear infinite;
    z-index: 1;
}

.float-card {
    position: absolute;
    width: 60px;
    height: 60px;
    background: var(--bg-card);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary);
    z-index: 3;
    animation: float 3s ease-in-out infinite;
}

.card-1 { top: 20px; right: -10px; animation-delay: 0s; color: #61dafb; }
.card-2 { bottom: 40px; left: -20px; animation-delay: 0.5s; color: #f7df1e; }
.card-3 { top: 50%; right: -30px; animation-delay: 1s; color: var(--primary); }

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

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 500;
}

.scroll-mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--text-muted);
    border-radius: 13px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-dot {
    width: 4px;
    height: 8px;
    background: var(--primary);
    border-radius: 2px;
    animation: scrollDot 2s ease-in-out infinite;
}

@keyframes scrollDot {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(10px); opacity: 0.3; }
}

/* About */
.about {
    padding: 120px 0;
    background: var(--bg);
}

.about-wrapper {
    display: flex;
    align-items: center;
    gap: 60px;
}

.about-image { flex: 1; }

.about-img-box {
    position: relative;
    display: inline-block;
}

.about-img-placeholder {
    width: 360px;
    height: 360px;
    background: linear-gradient(135deg, var(--primary-bg), var(--bg-alt));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    color: var(--primary);
    border: 1px solid var(--border);
    overflow: hidden;
}

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

.about-exp-box {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    padding: 20px 24px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.exp-number {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    line-height: 1;
}

.exp-text {
    font-size: 0.8rem;
    opacity: 0.9;
}

.about-text { flex: 1; }

.about-text h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.about-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 24px 0;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px;
    background: var(--bg-alt);
    border-radius: 10px;
    border: 1px solid var(--border);
}

.detail-item i {
    width: 40px;
    height: 40px;
    background: var(--primary-bg);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1rem;
}

.detail-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

.detail-value {
    display: block;
    font-weight: 600;
    color: var(--text);
    font-size: 0.9rem;
}

.status-available { color: #22c55e; }

/* Skills */
.skills {
    padding: 120px 0;
    background: var(--bg-alt);
}

.skills-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.skills-text h3,
.skills-grid-wrapper h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 30px;
}

.skill-bar-group {
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.skill-bar-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 0.9rem;
    font-weight: 600;
}

.skill-percent { color: var(--primary); }

.skill-bar-track {
    width: 100%;
    height: 8px;
    background: var(--border);
    border-radius: 4px;
    overflow: hidden;
}

.skill-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: 4px;
    width: 0;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-bar-fill.animated { width: var(--width); }

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.skill-card {
    background: var(--bg-card);
    padding: 24px 16px;
    text-align: center;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.skill-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.skill-icon {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 10px;
}

.skill-card h4 {
    font-size: 0.9rem;
    color: var(--text);
}

/* Projects */
.projects {
    padding: 120px 0;
    background: var(--bg);
}

.projects-filter {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition);
    font-family: var(--font);
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

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

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.project-thumb {
    position: relative;
    overflow: hidden;
}

.project-img-placeholder {
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    color: #fff;
    transition: transform 0.5s;
}

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

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    opacity: 0;
    transition: opacity var(--transition);
    backdrop-filter: blur(4px);
}

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

.overlay-link {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text);
    font-size: 1.1rem;
    text-decoration: none;
    transition: all var(--transition);
}

.overlay-link:hover {
    background: var(--primary);
    color: #fff;
    transform: scale(1.1);
}

.project-body {
    padding: 24px;
}

.project-category {
    display: inline-block;
    background: var(--primary-bg);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.project-body h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.project-body p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 14px;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.project-tech span {
    background: var(--bg-alt);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

/* Video Section */
.video-section {
    padding: 120px 0;
    background: var(--bg);
}

.video-wrapper {
    max-width: 800px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
}

.video-wrapper video {
    width: 100%;
    display: block;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    background: #000;
}

.video-caption {
    max-width: 700px;
    margin: 24px auto 0;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.video-caption strong {
    color: var(--primary);
}

/* Testimonials */
.testimonials {
    padding: 120px 0;
    background: var(--bg-alt);
}

#testimonialCarousel {
    max-width: 700px;
    margin: 0 auto;
}

.testimonial-card {
    background: var(--bg-card);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    text-align: center;
    transition: all var(--transition);
}

.testimonial-stars {
    color: #f59e0b;
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.testimonial-text {
    font-size: 1.05rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 24px;
    line-height: 1.7;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
}

.testimonial-avatar {
    font-size: 2.5rem;
    color: var(--primary);
}

.testimonial-author h4 {
    font-size: 1rem;
    font-weight: 700;
    text-align: left;
}

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

.testimonial-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.testimonial-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    font-size: 1rem;
}

.testimonial-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-bg);
}

.testimonial-dot {
    width: 10px !important;
    height: 10px !important;
    border-radius: 50% !important;
    background: var(--border) !important;
    border: none !important;
    transition: all var(--transition) !important;
    opacity: 1 !important;
}

.testimonial-dot.active {
    background: var(--primary) !important;
    width: 30px !important;
    border-radius: 5px !important;
}

/* Contact */
.contact {
    padding: 120px 0;
    background: var(--bg);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
}

.contact-info h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    gap: 18px;
    margin-bottom: 24px;
}

.contact-icon {
    width: 52px;
    height: 52px;
    background: var(--primary-bg);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 4px;
}

.contact-item a,
.contact-item p {
    color: var(--text);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition);
}

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

.contact-social {
    display: flex;
    gap: 12px;
    margin-top: 30px;
}

.contact-social a {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    text-decoration: none;
    transition: all var(--transition);
}

.contact-social a:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-bg);
    transform: translateY(-3px);
}

.contact-form {
    background: var(--bg-card);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

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

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 0.95rem;
    outline: none;
    transition: border-color var(--transition);
    margin-bottom: 16px;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-bg);
}

.btn-submit {
    width: 100%;
    justify-content: center;
    padding: 16px;
    font-size: 1rem;
}

/* Footer */
.footer {
    background: var(--text);
    color: #fff;
    padding: 80px 0 0;
}

[data-theme="dark"] .footer {
    background: #020617;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 50px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
    font-size: 1.5rem;
    color: #fff;
    display: inline-block;
    margin-bottom: 16px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    max-width: 280px;
}

.footer-links h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition);
}

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

.footer-newsletter h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.footer-newsletter p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.newsletter-form {
    display: flex;
    gap: 0;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-right: none;
    border-radius: 10px 0 0 10px;
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    outline: none;
    font-family: var(--font);
}

.newsletter-form input::placeholder { color: rgba(255, 255, 255, 0.4); }

.newsletter-form button {
    width: 48px;
    border: none;
    border-radius: 0 10px 10px 0;
    background: var(--primary);
    color: #fff;
    cursor: pointer;
    font-size: 1rem;
    transition: background var(--transition);
}

.newsletter-form button:hover { background: var(--primary-dark); }

.footer-audio {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 16px 0;
}

.audio-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.audio-container i {
    color: var(--primary-light);
    font-size: 1.1rem;
}

.audio-label {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    font-weight: 500;
}

.audio-container audio {
    height: 36px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.05);
}

.audio-container audio::-webkit-media-controls-panel {
    background: #1e293b;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
}

.footer-bottom p span { color: var(--primary-light); }

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color var(--transition);
}

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

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--primary);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition);
    z-index: 999;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

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

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
}

/* Responsive */
@media (max-width: 992px) {
    .hero-title { font-size: 2.8rem; }
    .hero-content { flex-direction: column-reverse; text-align: center; }
    .hero-text { display: flex; flex-direction: column; align-items: center; }
    .hero-desc { margin-left: auto; margin-right: auto; }
    .hero-buttons { justify-content: center; }
    .hero-stats { justify-content: center; }
    .hero-social { justify-content: center; }
    .hero-img-wrapper { width: 300px; height: 300px; }
    .hero-img-main { font-size: 5rem; }
    .section-title { font-size: 2rem; }
    .about-wrapper { flex-direction: column; text-align: center; }
    .about-details { grid-template-columns: 1fr; }
    .detail-item { justify-content: center; }
    .about-img-placeholder { width: 280px; height: 280px; font-size: 4rem; }
    .skills-wrapper { grid-template-columns: 1fr; }
    .projects-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 72px;
        left: -100%;
        width: 100%;
        flex-direction: column;
        background: var(--bg);
        padding: 20px;
        box-shadow: var(--shadow-lg);
        transition: left 0.3s;
        border-bottom: 1px solid var(--border);
        gap: 0;
    }
    .nav-menu.active { left: 0; }
    .nav-menu li { border-bottom: 1px solid var(--border); }
    .nav-menu li:last-child { border: none; }
    .nav-link {
        display: block;
        padding: 14px 16px;
        border-radius: 0;
    }
    .hamburger { display: flex; }
    .hero-title { font-size: 2.2rem; }
    .hero-img-wrapper { width: 250px; height: 250px; }
    .hero-img-main { font-size: 4rem; }
    .float-card { width: 50px; height: 50px; font-size: 1.4rem; }
    .card-1 { top: 10px; right: 0; }
    .card-2 { bottom: 20px; left: 0; }
    .card-3 { display: none; }
    .hero-stats { gap: 24px; }
    .stat-number { font-size: 1.5rem; }
    .skills-grid { grid-template-columns: repeat(2, 1fr); }
    .projects-grid { grid-template-columns: 1fr; }
    .contact-wrapper { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: 1fr; gap: 30px; text-align: center; }
    .footer-brand p { margin: 0 auto; }
    .newsletter-form { max-width: 300px; margin: 0 auto; }
    .scroll-indicator { display: none; }
    .about-exp-box { right: 0; }
    .section-title { font-size: 1.7rem; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 1.8rem; letter-spacing: -1px; }
    .hero-img-wrapper { width: 200px; height: 200px; }
    .hero-img-main { font-size: 3rem; }
    .hero-buttons { flex-direction: column; width: 100%; }
    .hero-buttons .btn { justify-content: center; width: 100%; }
    .hero-stats { flex-wrap: wrap; gap: 16px; }
    .about-img-placeholder { width: 220px; height: 220px; font-size: 3rem; }
    .contact-form { padding: 24px; }
    .testimonial-card { padding: 24px; }
    .skills-grid { grid-template-columns: 1fr 1fr; }
}