/* =========================================
   CSS Variablen & Setup
   ========================================= */
:root {
    /* Colors - Monochrome Monolith Theme */
    --bg-base: #050505;
    --bg-surface: rgba(25, 25, 25, 0.45);
    --bg-glass: rgba(255, 255, 255, 0.03);

    --text-main: #f5f5f5;
    --text-muted: #a3a3a3;

    /* Accents: Silver & Grey */
    --accent-primary: #e5e5e5;
    --accent-secondary: #9ca3af;
    --accent-glow: rgba(229, 229, 229, 0.2);

    --border-glass: rgba(255, 255, 255, 0.08);

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Animation & Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-base);
    background-image: url('https://images.unsplash.com/photo-1448375240586-882707db888b?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

.overlay-dark {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(135deg, rgba(5, 5, 5, 0.85), rgba(0, 0, 0, 0.7));
    z-index: -2;
}

/* =========================================
   Typography & Utilities
   ========================================= */
h1,
h2,
h3,
h4,
.logo {
    font-family: var(--font-heading);
    font-weight: 800;
    line-height: 1.2;
}

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

.section-padding {
    padding: 8rem 0;
}

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

.brand-text {
    color: var(--accent-secondary);
    font-weight: 700;
}

/* =========================================
   Glassmorphism Components
   ========================================= */
.glass-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(10, 10, 10, 0.5);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-glass);
    transition: all var(--transition-fast);
}

.glass-nav.scrolled {
    padding: 0.5rem 0;
    background: rgba(10, 10, 10, 0.85);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.glass-card {
    background: var(--bg-surface);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

/* =========================================
   Navigation
   ========================================= */
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.8rem;
    color: var(--text-main);
    text-decoration: none;
    letter-spacing: 1px;
}

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

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

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background-color: var(--text-main);
    transition: all 0.3s;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #fff !important;
    border: none;
    box-shadow: 0 0 20px var(--accent-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--text-main) !important;
    border: 1px solid var(--border-glass);
}

/* =========================================
   Hero Section
   ========================================= */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 5rem;
}

.hero-content {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-secondary);
    margin-bottom: 1.5rem;
}

.hero-text {
    background: var(--bg-surface);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.hero h1 {
    font-size: 4.5rem;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero .subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 90%;
}

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

/* Profile Card in Hero */
.profile-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    padding: 3rem 2rem;
}

.profile-card::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 22px;
    background: linear-gradient(135deg, var(--accent-primary), transparent, var(--accent-secondary));
    z-index: -1;
    opacity: 0.5;
}

.profile-image-placeholder {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: linear-gradient(135deg, #1f1f2e, #13131c);
    border: 2px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    position: relative;
    overflow: hidden;
}

.initials {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.profile-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.2rem;
}

.profile-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.tech-stack-mini {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.tech-stack-mini span {
    font-size: 0.75rem;
    padding: 0.3rem 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50px;
    border: 1px solid var(--border-glass);
    color: var(--text-muted);
}

/* =========================================
   Sections General
   ========================================= */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* =========================================
   About Section
   ========================================= */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

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

.about-text p {
    margin-bottom: 1rem;
    font-size: 1.05rem;
    color: var(--text-muted);
}

.metrics-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.metric-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 2rem;
}

.metric-card .number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.metric-card .label {
    font-size: 1.1rem;
    font-weight: 500;
}

/* =========================================
   Expertise Section
   ========================================= */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.skill-card {
    display: flex;
    flex-direction: column;
}

.skill-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.08);
    /* Replaced green tint */
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--accent-secondary);
}

.skill-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.skill-card p {
    color: var(--text-muted);
}

/* =========================================
   Experience Section
   ========================================= */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 20px;
    height: 100%;
    width: 2px;
    background: var(--border-glass);
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: 2rem;
}

.timeline-dot {
    position: absolute;
    left: 14px;
    top: 30px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent-secondary);
    box-shadow: 0 0 10px var(--accent-secondary);
}

.timeline-content {
    padding: 2rem;
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.timeline-header h3 {
    font-size: 1.4rem;
}

.company {
    font-weight: 700;
    color: var(--accent-primary);
}

.date {
    display: block;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* =========================================
   Contact Section
   ========================================= */
.contact-card {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 2rem;
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 60%);
    z-index: 0;
}

.contact-info {
    position: relative;
    z-index: 1;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    font-size: 1.1rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.social-btn {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem 1.5rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    color: var(--text-main);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-fast);
}

/* =========================================
   Footer
   ========================================= */
.glass-footer {
    border-top: 1px solid var(--border-glass);
    padding: 2rem 0;
    background: rgba(10, 10, 10, 0.6);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

/* =========================================
   Responsive Design
   ========================================= */
@media (max-width: 992px) {
    .hero-content {
        text-align: center;
        gap: 3rem;
    }

    .hero h1 {
        font-size: 3.5rem;
    }

    .hero .subtitle {
        margin: 0 auto 2.5rem auto;
    }

    .hero-actions {
        justify-content: center;
    }

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

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-surface);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid var(--border-glass);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .hero h1 {
        font-size: 2.8rem;
    }

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

    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}