/* ========================================
   RESET & BASE
   ======================================== */
:root {
    --primary: #4f46e5;
    --primary-light: #818cf8;
    --primary-dark: #3730a3;
    --bg-dark: #0b0d17;
    --bg-card: rgba(255, 255, 255, 0.03);
    --text-primary: #ffffff;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.06);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --radius: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-secondary);
    line-height: 1.6;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.2;
}

.highlight {
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 9999px;
    font-weight: 500;
    font-size: 0.875rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 8px 24px rgba(79, 70, 229, 0.25);
}

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(79, 70, 229, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
}

/* ========================================
   NAVIGATION
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(11, 13, 23, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(11, 13, 23, 0.95);
    box-shadow: var(--shadow);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
}

.logo {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-menu a {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--text-primary);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-hire {
    padding: 8px 20px;
    background: var(--primary);
    color: #fff;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
}

.btn-hire:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(79, 70, 229, 0.3);
}

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

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}
.hamburger.active span:nth-child(2) {
    opacity: 0;
}
.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
}

/* ========================================
   SECTION HEADERS
   ======================================== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.tag {
    display: inline-block;
    padding: 4px 16px;
    background: rgba(79, 70, 229, 0.15);
    color: var(--primary-light);
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 8px;
}

.subtitle {
    color: var(--text-muted);
    font-size: 1.125rem;
}

/* ========================================
   HERO
   ======================================== */
.hero {
    padding: 120px 0 60px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 70% 50%, rgba(79, 70, 229, 0.08), transparent 70%);
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 4px 16px;
    background: rgba(79, 70, 229, 0.1);
    border: 1px solid rgba(79, 70, 229, 0.2);
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    width: fit-content;
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
}

.hero-typed-wrapper {
    font-size: 1.5rem;
}

.typed-highlight {
    color: var(--primary-light);
    font-weight: 600;
}

.hero-desc {
    font-size: 1.125rem;
    color: var(--text-muted);
    max-width: 480px;
    line-height: 1.8;
}

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

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.hero-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.social-icons {
    display: flex;
    gap: 8px;
}

.social-icons a {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: var(--transition);
}

.social-icons a:hover {
    background: rgba(79, 70, 229, 0.15);
    border-color: var(--primary-light);
    color: var(--primary-light);
    transform: translateY(-3px);
}

/* Hero Image */
.profile-wrapper {
    position: relative;
    max-width: 400px;
    margin: 0 auto;
}

.profile-img {
    width: 100%;
    border-radius: 50%;
    border: 3px solid var(--primary-light);
    box-shadow: 0 0 60px rgba(79, 70, 229, 0.3);
    animation: neonPulse 3s ease-in-out infinite;
}

@keyframes neonPulse {
    0%, 100% { box-shadow: 0 0 20px rgba(79, 70, 229, 0.2); }
    50% { box-shadow: 0 0 60px rgba(79, 70, 229, 0.6); }
}

.floating-badge {
    position: absolute;
    padding: 8px 16px;
    background: rgba(11, 13, 23, 0.9);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    animation: float 3s ease-in-out infinite;
}

.floating-badge i {
    color: var(--primary-light);
}

.badge-1 { top: 10%; right: -10%; animation-delay: 0s; }
.badge-2 { bottom: 20%; left: -15%; animation-delay: 1s; }
.badge-3 { bottom: 0; right: -5%; animation-delay: 2s; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ========================================
   ABOUT
   ======================================== */
.about {
    padding: 80px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 60px;
    align-items: start;
}

.about-text p {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.detail {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.detail i {
    font-size: 1.25rem;
    color: var(--primary-light);
    margin-top: 4px;
}

.detail h4 {
    font-size: 0.875rem;
    margin-bottom: 2px;
}

.detail p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.stat-card {
    padding: 24px;
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-light);
}

.stat-card .stat-number {
    font-size: 2.5rem;
}

.stat-card span:last-child {
    display: block;
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ========================================
   SKILLS
   ======================================== */
.skills {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.01);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.skill-card {
    padding: 28px;
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    transition: var(--transition);
}

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

.skill-icon {
    font-size: 2rem;
    color: var(--primary-light);
    margin-bottom: 16px;
}

.skill-card h3 {
    font-size: 1.125rem;
    margin-bottom: 20px;
}

.skill-card ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.skill-card ul li {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.skill-card ul li span {
    font-size: 0.875rem;
}

.bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 9999px;
    overflow: hidden;
}

.progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: 9999px;
    width: 0;
    transition: width 1s ease;
}

/* ========================================
   PROJECTS
   ======================================== */
.projects {
    padding: 80px 0;
}

.project-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 9999px;
    color: var(--text-secondary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
}

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

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}

.project-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-light);
    box-shadow: var(--shadow);
}

.project-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/9;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(11, 13, 23, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.btn-view {
    padding: 10px 24px;
    background: var(--primary);
    color: #fff;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
}

.btn-view:hover {
    background: var(--primary-light);
    transform: scale(1.05);
}

.project-info {
    padding: 20px;
}

.project-tag {
    display: inline-block;
    padding: 2px 12px;
    background: rgba(79, 70, 229, 0.15);
    color: var(--primary-light);
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    margin-bottom: 8px;
}

.project-info h3 {
    font-size: 1.125rem;
    margin-bottom: 8px;
}

.project-info p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}

.project-tech span {
    padding: 2px 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 9999px;
    font-size: 0.75rem;
}

.project-links {
    display: flex;
    gap: 16px;
}

.project-link {
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.project-link:hover {
    color: var(--primary-light);
}

.projects-cta {
    text-align: center;
    margin-top: 40px;
}

/* ========================================
   EXPERIENCE / TIMELINE
   ======================================== */
.experience {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.01);
}

.timeline {
    position: relative;
    padding-left: 32px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), transparent);
}

.timeline-item {
    position: relative;
    padding: 0 0 40px 28px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-badge {
    position: absolute;
    left: -40px;
    top: 0;
    width: 48px;
    height: 48px;
    background: var(--bg-dark);
    border: 2px solid var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-light);
}

.timeline-content {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
}

.timeline-content:hover {
    border-color: var(--primary-light);
}

.date {
    display: inline-block;
    padding: 2px 12px;
    background: rgba(79, 70, 229, 0.15);
    color: var(--primary-light);
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    margin-bottom: 8px;
}

.timeline-content h3 {
    font-size: 1.125rem;
    margin-bottom: 4px;
}

.company {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 8px;
}

/* ========================================
   TESTIMONIALS
   ======================================== */
.testimonials {
    padding: 80px 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.testimonial-card {
    padding: 28px;
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-light);
}

.stars {
    color: #f59e0b;
    margin-bottom: 12px;
}

.testimonial-card p {
    font-style: italic;
    margin-bottom: 16px;
}

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

.author img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.author h4 {
    font-size: 0.875rem;
}

.author span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ========================================
   CONTACT
   ======================================== */
.contact {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.01);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.contact-info > p {
    color: var(--text-muted);
    margin-bottom: 30px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

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

.contact-item .icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: rgba(79, 70, 229, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-light);
}

.contact-item h4 {
    font-size: 0.875rem;
    margin-bottom: 2px;
}

.contact-item a,
.contact-item p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

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

.contact-social {
    display: flex;
    gap: 8px;
}

.contact-social a {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: var(--transition);
}

.contact-social a:hover {
    background: rgba(79, 70, 229, 0.15);
    border-color: var(--primary-light);
    color: var(--primary-light);
    transform: translateY(-3px);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

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

.btn-submit {
    width: 100%;
    justify-content: center;
}

.form-status {
    padding: 12px;
    border-radius: 8px;
    font-size: 0.875rem;
    display: none;
}

.form-status.success {
    display: block;
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.form-status.error {
    display: block;
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    padding: 60px 0 24px;
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 32px;
}

.footer-brand .logo {
    font-size: 1.5rem;
}

.footer-brand p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 8px;
}

.footer-links h4 {
    font-size: 0.875rem;
    margin-bottom: 12px;
}

.footer-links a {
    display: block;
    color: var(--text-muted);
    font-size: 0.875rem;
    padding: 4px 0;
    transition: var(--transition);
}

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

.footer-newsletter p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.footer-newsletter form {
    display: flex;
    gap: 8px;
}

.footer-newsletter input {
    flex: 1;
    padding: 10px 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
}

.footer-newsletter input:focus {
    outline: none;
    border-color: var(--primary-light);
}

.footer-newsletter button {
    padding: 10px 16px;
    background: var(--primary);
    border: none;
    border-radius: 8px;
    color: #fff;
    cursor: pointer;
    transition: var(--transition);
}

.footer-newsletter button:hover {
    background: var(--primary-light);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.footer-bottom i {
    color: #ff6b6b;
}

/* ========================================
   BACK TO TOP
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-light);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(79, 70, 229, 0.3);
}