* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #10b981;
    --accent: #f59e0b;
    --bg-primary: #0f0f23;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --border: #334155;
    --glass: rgba(255, 255, 255, 0.05);
    --shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* =====================
    ICON UNICODE
   ===================== */

.icon {
    font-size: 1.1rem;
    line-height: 1;
    font-style: normal;
}

.contact-icon {
    font-size: 1.5rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 12px;
    flex-shrink: 0;
}

/* =====================
    NAVIGATION
   ===================== */

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 0.5rem 0;
    background: rgba(15, 15, 35, 0.98);
    box-shadow: var(--shadow);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

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

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: width 0.3s ease;
}

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

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

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: 0.3s;
}

/* =====================
    HOME SECTION
   ===================== */

.home {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.home-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}

.home-text {
    flex: 1;
}

.home-text h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.home-text h3 {
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    font-weight: 500;
    color: var(--secondary);
    margin-bottom: 1.5rem;
}

.home-text p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    max-width: 500px;
}

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

.home-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.home-image {
    flex-shrink: 0;
}

.profile-image {
    position: relative;
    width: 380px;
    height: 380px;
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 5px solid var(--glass);
    box-shadow: var(--shadow);
    transition: transform 0.5s ease, box-shadow 0.5s ease;
    display: block;
}

.profile-image:hover img {
    transform: scale(1.05) rotate(5deg);
    box-shadow: 0 40px 80px -20px rgba(99, 102, 241, 0.3);
}

.image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.profile-image:hover .image-overlay {
    opacity: 0.2;
}

/* =====================
    BUTTONS
   ===================== */

.btn {
    padding: 14px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 30px 60px -12px rgba(99, 102, 241, 0.4);
}

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

.btn-secondary:hover {
    background: var(--glass);
    transform: translateY(-3px);
}

/* =====================
    ANIMATIONS
   ===================== */

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

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

.animate-slide-up {
    opacity: 0;
    animation: slideUp 0.8s ease forwards;
}

.animate-slide-up.delay-1 { animation-delay: 0.2s; }
.animate-slide-up.delay-2 { animation-delay: 0.4s; }
.animate-slide-up.delay-3 { animation-delay: 0.6s; }

.animate-float {
    animation: float 6s ease-in-out infinite;
}

/* =====================
    SECTION TITLES
   ===================== */

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
}

/* =====================
    ABOUT SECTION
   ===================== */

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

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--secondary);
}

.about-text > p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

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

.stat-item {
    background: var(--glass);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-10px);
    background: rgba(99, 102, 241, 0.1);
    box-shadow: var(--shadow);
}

.stat-item h4 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: var(--text-secondary);
    font-weight: 500;
}

/* =====================
    SKILLS SECTION
   ===================== */

.skills {
    padding: 120px 0;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.skill-category {
    background: var(--glass);
    backdrop-filter: blur(20px);
    padding: 2.5rem;
    border-radius: 24px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.skill-category:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow);
}

.skill-category h3 {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.4rem;
    margin-bottom: 2rem;
    color: var(--primary);
}

.skill-bars {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.skill-bar {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.skill-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.skill-label span {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.skill-label span:last-child {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.progress {
    height: 8px;
    background: var(--border);
    border-radius: 10px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 10px;
    width: 0;
    animation: fillBar 2s ease forwards;
    animation-delay: 0.5s;
}

@keyframes fillBar {
    to {
        width: var(--target-width);
    }
}

/* =====================
    PROJECTS SECTION
   ===================== */

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

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--glass);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all 0.4s ease;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: var(--shadow);
}

.project-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

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

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.9), rgba(16, 185, 129, 0.9));
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.project-link,
.project-github {
    width: 55px;
    height: 55px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.3rem;
    text-decoration: none;
    transition: all 0.3s ease;
    line-height: 1;
}

.project-link:hover,
.project-github:hover {
    background: white;
    color: var(--primary);
    transform: translateY(-3px) scale(1.1);
}

.project-content {
    padding: 1.75rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.project-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    line-height: 1.7;
    flex: 1;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.project-tech span {
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--secondary);
}

/* =====================
    CONTACT SECTION
   ===================== */

.contact {
    padding: 120px 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: start;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: var(--glass);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow);
}

.contact-item h3 {
    color: var(--text-primary);
    margin-bottom: 0.3rem;
    font-size: 1rem;
}

.contact-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.contact-form {
    background: var(--glass);
    backdrop-filter: blur(20px);
    padding: 2.5rem;
    border-radius: 24px;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.contact-form input,
.contact-form textarea {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.9rem 1.1rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    width: 100%;
    outline: none;
}

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

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    background: rgba(255, 255, 255, 0.08);
}

.contact-form textarea {
    resize: vertical;
    min-height: 130px;
}

/* =====================
    FOOTER
   ===================== */

.footer {
    background: var(--bg-primary);
    padding: 2.5rem 0;
    text-align: center;
    border-top: 1px solid var(--border);
}

.footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
}

.footer p {
    color: var(--text-secondary);
}

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

.social-links a {
    width: 45px;
    height: 45px;
    background: var(--glass);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

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

/* =====================
   RESPONSIVE
   ===================== */

@media (max-width: 1024px) {
    .home-content {
        gap: 40px;
    }

    .profile-image {
        width: 320px;
        height: 320px;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(15, 15, 35, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
        gap: 1rem;
        backdrop-filter: blur(20px);
    }

    .nav-menu.active {
        left: 0;
    }

    .home-content {
        flex-direction: column-reverse;
        text-align: center;
        gap: 2rem;
        padding-top: 2rem;
    }

    .home-text p {
        margin-left: auto;
        margin-right: auto;
    }

    .home-buttons {
        justify-content: center;
    }

    .profile-image {
        width: 240px;
        height: 240px;
    }

    .about-stats {
        grid-template-columns: repeat(3, 1fr);
    }

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

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

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .about-stats {
        grid-template-columns: 1fr;
    }

    .home-text h1 {
        font-size: 1.8rem;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .skill-category {
        padding: 1.75rem;
    }
}