/* ==========================================
   PAUL WEIMERT - DIGITALE VISITENKARTE
   Modern Dark Theme - Optimized
   ========================================== */

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

:root {
    /* Dark Theme Colors */
    --bg-dark: #0a0a0f;
    --bg-card: #12121a;
    --bg-card-hover: #1a1a25;
    --accent: #c9a962;
    --accent-light: #e4c983;
    --accent-dark: #a08540;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #606070;
    --border: rgba(255, 255, 255, 0.08);
    --border-light: rgba(255, 255, 255, 0.15);
    
    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --section-padding: 120px;
    --container-width: 1200px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.4s ease;
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
}

/* ==========================================
   ACCESSIBILITY - Skip Link
   ========================================== */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: var(--bg-dark);
    padding: 12px 24px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    z-index: 9999;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 10px;
}

/* ==========================================
   FOCUS STYLES - Accessibility
   ========================================== */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

/* Remove outline for mouse users */
a:focus:not(:focus-visible),
button:focus:not(:focus-visible) {
    outline: none;
}

/* ==========================================
   NAVIGATION
   ========================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    background: transparent;
    transition: all var(--transition-slow);
}

.nav.scrolled {
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 15px 0;
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--accent);
    text-decoration: none;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 400;
    letter-spacing: 0.5px;
    transition: color var(--transition-normal);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: width var(--transition-normal);
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-normal);
    transform-origin: center;
}

/* Hamburger Animation */
.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 30px 40px;
    flex-direction: column;
    gap: 20px;
    z-index: 999;
    border-bottom: 1px solid var(--border);
    transform: translateY(-100%);
    opacity: 0;
    transition: all var(--transition-normal);
}

.mobile-menu a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.1rem;
    padding: 10px 0;
    transition: color var(--transition-normal);
}

.mobile-menu a:hover {
    color: var(--accent);
}

.mobile-menu.active {
    display: flex;
    transform: translateY(0);
    opacity: 1;
}

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

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(201, 169, 98, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(201, 169, 98, 0.05) 0%, transparent 40%),
        linear-gradient(180deg, var(--bg-dark) 0%, #0d0d15 100%);
}

.hero-content {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-greeting {
    font-size: 1.1rem;
    color: var(--accent);
    letter-spacing: 1px;
    margin-bottom: 15px;
    font-weight: 500;
}

.hero-name {
    font-family: var(--font-display);
    font-size: 4.5rem;
    font-weight: 600;
    line-height: 1.1;
    margin-bottom: 25px;
    letter-spacing: -1px;
}

.hero-line {
    width: 80px;
    height: 3px;
    background: var(--accent);
    margin-bottom: 25px;
}

.hero-tagline {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    padding: 16px 32px;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 4px;
    transition: all var(--transition-normal);
    letter-spacing: 0.5px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    cursor: pointer;
}

.btn-icon {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: var(--accent);
    color: var(--bg-dark);
}

.btn-primary:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
}

.btn-outline:hover {
    background: var(--accent);
    color: var(--bg-dark);
    transform: translateY(-2px);
}

/* Hero Image */
.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
}

.image-frame {
    position: relative;
    width: 380px;
    height: 480px;
    overflow: hidden;
    border-radius: 8px;
    z-index: 2;
}

.image-frame img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center 15%;
}

.image-decoration {
    position: absolute;
    top: 30px;
    right: -30px;
    width: 380px;
    height: 480px;
    border: 2px solid var(--accent);
    border-radius: 8px;
    z-index: 1;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 0.8rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--accent), transparent);
    animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
    0%, 100% { opacity: 0.3; transform: scaleY(1); }
    50% { opacity: 1; transform: scaleY(1.2); }
}

/* ==========================================
   SECTIONS
   ========================================== */
.section {
    padding: var(--section-padding) 0;
    position: relative;
}

.section-header {
    margin-bottom: 60px;
}

.section-header.center {
    text-align: center;
}

.section-number {
    display: block;
    font-size: 0.9rem;
    color: var(--accent);
    letter-spacing: 2px;
    margin-bottom: 10px;
    font-weight: 500;
}

.section-title {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 500;
}

/* ==========================================
   ABOUT SECTION
   ========================================== */
.about {
    background: var(--bg-card);
}

.about-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.about-card {
    padding: 40px 30px;
    background: var(--bg-dark);
    border-radius: 8px;
    border: 1px solid var(--border);
    text-align: center;
    transition: all var(--transition-slow);
}

.about-card:hover {
    border-color: var(--accent);
    transform: translateY(-5px);
}

.about-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 20px;
    color: var(--accent);
}

.about-icon svg {
    width: 100%;
    height: 100%;
}

.about-card h3 {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 10px;
    color: var(--accent);
}

.about-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ==========================================
   EXPERIENCE SECTION
   ========================================== */
.experience-category {
    margin-bottom: 50px;
}

.category-title {
    font-size: 1.1rem;
    color: var(--accent);
    margin-bottom: 25px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

.experience-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 30px;
}

.experience-card {
    padding: 35px;
    background: var(--bg-card);
    border-radius: 8px;
    border: 1px solid var(--border);
    transition: all var(--transition-slow);
    display: flex;
    gap: 25px;
}

.experience-card:hover {
    border-color: var(--border-light);
    background: var(--bg-card-hover);
}

.experience-card.featured {
    grid-column: span 2;
    border-color: var(--accent);
    background: linear-gradient(135deg, rgba(201, 169, 98, 0.08) 0%, transparent 100%);
}

.exp-year {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    color: var(--accent);
    line-height: 1;
}

.exp-content h3 {
    font-size: 1.3rem;
    font-weight: 500;
    margin-bottom: 5px;
}

.exp-location {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.exp-type {
    color: var(--accent);
    font-size: 0.9rem;
    margin-top: 10px;
    font-weight: 500;
}

.exp-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 8px;
}

/* Education Block */
.education-block {
    padding: 40px;
    background: var(--bg-card);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.education-title {
    font-size: 1.1rem;
    color: var(--accent);
    margin-bottom: 20px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
}

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

.education-main h4 {
    font-size: 1.4rem;
    font-weight: 500;
    margin-bottom: 5px;
}

.education-main span {
    color: var(--text-secondary);
}

.education-period {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--text-muted);
}

/* ==========================================
   SKILLS SECTION
   ========================================== */
.skills {
    background: var(--bg-card);
}

.skills-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 50px;
}

.skill-category h3 {
    font-size: 1.3rem;
    font-weight: 500;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.skill-icon {
    width: 28px;
    height: 28px;
    color: var(--accent);
}

.skill-icon svg {
    width: 100%;
    height: 100%;
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.skill-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.skill-name {
    color: var(--text-secondary);
    font-size: 0.95rem;
    min-width: 180px;
}

.skill-bar {
    flex: 1;
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-dark), var(--accent-light));
    border-radius: 3px;
    transition: width 1s ease;
}

.skill-level {
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 500;
}

/* ==========================================
   CONTACT SECTION
   ========================================== */
.contact-intro {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 50px;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.contact-card {
    padding: 50px 40px;
    background: var(--bg-card);
    border-radius: 8px;
    border: 1px solid var(--border);
    text-align: center;
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-slow);
}

.contact-card:hover {
    border-color: var(--accent);
    transform: translateY(-5px);
}

.contact-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 20px;
    color: var(--accent);
}

.contact-icon svg {
    width: 100%;
    height: 100%;
}

.contact-card h3 {
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 10px;
    color: var(--accent);
}

.contact-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--accent);
}

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

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 60px;
    }
    
    .hero-text {
        order: 2;
    }
    
    .hero-image {
        order: 1;
    }
    
    .hero-name {
        font-size: 3.5rem;
    }
    
    .hero-line {
        margin: 0 auto 25px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .image-frame {
        width: 300px;
        height: 380px;
    }
    
    .image-decoration {
        width: 300px;
        height: 380px;
        right: auto;
        left: 30px;
    }
    
    .about-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .experience-grid {
        grid-template-columns: 1fr;
    }
    
    .experience-card.featured {
        grid-column: span 1;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 25px;
    }
    
    .nav-container {
        padding: 0 25px;
    }
    
    .nav-links {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-name {
        font-size: 2.8rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .education-content {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .scroll-indicator {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero {
        padding-top: 100px;
    }
    
    .hero-name {
        font-size: 2.2rem;
    }
    
    .hero-tagline {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
        justify-content: center;
    }
    
    .image-frame {
        width: 260px;
        height: 330px;
    }
    
    .image-decoration {
        display: none;
    }
    
    .skill-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .skill-bar {
        width: 100%;
    }
    
    .skill-name {
        min-width: unset;
    }
}

/* ==========================================
   ANIMATIONS
   ========================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    animation: fadeInUp 0.8s ease forwards;
}

/* ==========================================
   REDUCED MOTION
   ========================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .scroll-line {
        animation: none;
    }
}

/* ==========================================
   PRINT STYLES
   ========================================== */
@media print {
    .nav, 
    .scroll-indicator, 
    .hero-buttons,
    .skip-link {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .section {
        background: white;
        padding: 40px 0;
    }
    
    .about-card,
    .experience-card,
    .contact-card,
    .education-block {
        background: white;
        border: 1px solid #ddd;
    }
    
    a {
        color: black;
        text-decoration: underline;
    }
}