/* CSS Reset & Variables */
:root {
    --bg-main: #0a0e17;
    --bg-card: #121824;
    --bg-card-hover: #182235;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --primary: #8b5cf6; /* Violet */
    --secondary: #06b6d4; /* Cyan */
    --accent: #d946ef; /* Magenta */
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(139, 92, 246, 0.4);
    --font-head: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --glow-violet: 0 0 20px rgba(139, 92, 246, 0.25);
    --glow-cyan: 0 0 20px rgba(6, 182, 212, 0.25);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-head);
    font-weight: 700;
    letter-spacing: -0.02em;
}

p {
    color: var(--text-secondary);
    font-weight: 400;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-smooth);
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
    background: #1e293b;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    border-radius: 8px;
    font-family: var(--font-head);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #7c3aed);
    color: white;
    border: none;
    box-shadow: var(--glow-violet);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(139, 92, 246, 0.45);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.03);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* Header & Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 14, 23, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.nav-container {
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    font-family: var(--font-head);
    color: var(--text-primary);
}

.logo-brackets {
    color: var(--secondary);
    font-weight: 500;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
}

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

.btn-nav {
    padding: 0.5rem 1.25rem;
    font-size: 0.9rem;
    border: 1px solid var(--primary);
    background: transparent;
    color: var(--primary);
}

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

.mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 70px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0.15;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 30%, var(--bg-main) 100%);
    z-index: 2;
}

.hero-container {
    position: relative;
    z-index: 3;
}

.hero-content {
    max-width: 700px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(6, 182, 212, 0.1);
    color: var(--secondary);
    border: 1px solid rgba(6, 182, 212, 0.2);
    padding: 0.35rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.badge::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--secondary);
    box-shadow: 0 0 10px var(--secondary);
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1rem;
}

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

.hero-subtitle {
    font-size: 2.25rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.hero-desc {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

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

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

/* Sections General */
section {
    padding: 7rem 0;
}

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

.section-header .subtitle {
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.section-title {
    font-size: 2.5rem;
    margin-top: 0.5rem;
}

.underline {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    margin: 1rem auto 0;
    border-radius: 2px;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.facts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.fact-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 12px;
    transition: var(--transition-smooth);
}

.fact-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-5px);
    box-shadow: var(--glow-violet);
}

.fact-icon {
    font-size: 2rem;
    color: var(--secondary);
    display: inline-block;
    margin-bottom: 1rem;
}

.fact-card h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

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

.skills-category {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    border-radius: 12px;
}

.skills-category h3 {
    font-size: 1.35rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.skills-category h3 i {
    color: var(--primary);
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-tag {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

.skill-tag:hover {
    background: rgba(139, 92, 246, 0.05);
    border-color: var(--primary);
    color: var(--text-primary);
}

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

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 2.5rem;
}

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

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.p-tag {
    background: rgba(6, 182, 212, 0.07);
    color: var(--secondary);
    border: 1px solid rgba(6, 182, 212, 0.15);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
}

.project-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.project-card p {
    font-size: 0.95rem;
    margin-bottom: 2rem;
    line-height: 1.5;
}

.project-link a {
    font-family: var(--font-head);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--secondary);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.25fr;
    gap: 4rem;
}

.contact-info h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.contact-info p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.c-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.c-item i {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: rgba(139, 92, 246, 0.08);
    border: 1px solid rgba(139, 92, 246, 0.15);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.c-item span {
    font-size: 1.1rem;
    color: var(--text-primary);
}

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 3rem;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-family: var(--font-head);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input, .form-group textarea {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.85rem 1rem;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 10px rgba(139, 92, 246, 0.15);
    background: rgba(255, 255, 255, 0.04);
}

.form-feedback {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 8px;
    font-size: 0.95rem;
    text-align: center;
}

.form-feedback.success {
    background: rgba(16, 185, 129, 0.1);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.form-feedback.error {
    background: rgba(239, 68, 68, 0.1);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.hidden {
    display: none !important;
}

/* Footer */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 2.5rem 0;
    background: #070a10;
}

.footer-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-links a {
    color: var(--text-secondary);
    font-size: 1.25rem;
}

.social-links a:hover {
    color: var(--secondary);
}

/* Responsive Design */
@media (max-width: 968px) {
    html {
        font-size: 15px;
    }
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 0.5rem 0;
    }
    .mobile-toggle {
        display: block;
    }
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #0a0e17;
        flex-direction: column;
        padding: 2rem;
        border-bottom: 1px solid var(--border-color);
        gap: 1.5rem;
    }
    .nav-links.active {
        display: flex;
    }
    .hero-title {
        font-size: 3rem;
    }
    .hero-subtitle {
        font-size: 1.85rem;
    }
    .hero-actions {
        flex-direction: column;
        gap: 0.75rem;
    }
}