:root {
    --bg-color: #070204;
    --surface-color: rgba(22, 6, 12, 0.75);
    --surface-hover: rgba(36, 10, 19, 0.9);
    --border-color: rgba(255, 35, 75, 0.18);
    --border-hover: rgba(255, 35, 75, 0.55);
    --accent-red: #ff1744;
    --accent-glow: rgba(255, 23, 68, 0.35);
    --accent-light: #ff758c;
    --text-main: #ffffff;
    --text-muted: rgba(255, 220, 228, 0.65);
    --font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-family);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    line-height: 1.6;
}

/* Ambient Background Glow-Orbs - dauerhaft sichtbar */
.ambient-glow {
    position: fixed;
    width: 650px;
    height: 650px;
    border-radius: 50%;
    filter: blur(140px);
    opacity: 0.32;
    pointer-events: none;
    z-index: 0;
    will-change: transform, opacity;
}

.glow-1 {
    background: radial-gradient(circle, #ff1a40 0%, #aa0022 60%, transparent 80%);
    top: -100px;
    left: -100px;
}

.glow-2 {
    background: radial-gradient(circle, #b3003b 0%, #4a0014 70%, transparent 85%);
    bottom: -150px;
    right: -100px;
}

/* Zentraler roter Nebel (verhindert Ausbleichen beim Scrollen) */
body::before {
    content: '';
    position: fixed;
    top: 35%;
    left: 20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 23, 68, 0.18) 0%, rgba(120, 0, 30, 0.08) 50%, transparent 75%);
    filter: blur(120px);
    pointer-events: none;
    z-index: 0;
}

/* Technisches Gitter */
.grid-overlay {
    position: fixed;
    inset: 0;
    background-image: 
        linear-gradient(to right, rgba(255, 50, 80, 0.05) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 50, 80, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 1;
    pointer-events: none;
    mask-image: radial-gradient(circle, rgba(0,0,0,1) 40%, rgba(0,0,0,0.2) 90%);
    -webkit-mask-image: radial-gradient(circle, rgba(0,0,0,1) 40%, rgba(0,0,0,0.2) 90%);
}

/* Cursor Spotlight (Desktop) */
.cursor-spotlight {
    position: fixed;
    width: 480px;
    height: 480px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 23, 68, 0.3) 0%, rgba(180, 10, 45, 0.12) 45%, transparent 70%);
    pointer-events: none;
    z-index: 1;
    transform: translate(-50%, -50%);
    filter: blur(35px);
    opacity: 0.18;
    transition: opacity 0.5s ease-out;
    will-change: transform, opacity;
}

.cursor-spotlight.active {
    opacity: 0.85;
    transition: opacity 0.1s ease-in;
}

#canvas {
    position: fixed;
    inset: 0;
    z-index: 2;
    pointer-events: none;
}

/* Scroll Progress Bar */
.progress-bar-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: transparent;
    z-index: 1000;
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #b3003b, var(--accent-red), var(--accent-light));
    box-shadow: 0 0 10px var(--accent-red);
}

/* Sticky Navigation (Desktop) - Oben zentriert */
.navbar {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(14, 4, 8, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    padding: 8px 18px;
    border-radius: 40px;
    z-index: 100;
    display: flex;
    gap: 14px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 6px 14px;
    border-radius: 20px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
    color: #ffffff;
    background: rgba(255, 23, 68, 0.15);
    text-shadow: 0 0 12px var(--accent-red);
}

/* Layout */
.page-wrapper {
    position: relative;
    z-index: 10;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 100px 0 60px 0;
}

#contact {
    padding-bottom: 80px;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding-top: 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 23, 68, 0.1);
    border: 1px solid rgba(255, 23, 68, 0.3);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent-light);
    margin-bottom: 24px;
}

.status-dot {
    width: 7px;
    height: 7px;
    background: var(--accent-red);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--accent-red);
    animation: pulse 2s infinite;
}

.title {
    font-size: clamp(3.8rem, 13vw, 8.5rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    text-transform: uppercase;
    line-height: 0.95;
    background: linear-gradient(135deg, #ffffff 30%, #ffb3c1 70%, #ff1744 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 50px rgba(255, 23, 68, 0.35);
    margin-bottom: 16px;
    transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.title:hover {
    transform: scale(1.02);
    text-shadow: 0 0 75px rgba(255, 45, 85, 0.65);
}

.subtitle {
    font-size: clamp(0.95rem, 2.5vw, 1.25rem);
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 24px;
    font-weight: 500;
}

.hero-meta {
    max-width: 650px;
    font-size: 1.05rem;
    color: rgba(255, 220, 228, 0.82);
    margin-bottom: 36px;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

.btn {
    font-family: inherit;
    padding: 12px 28px;
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: 30px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: var(--accent-red);
    color: #ffffff;
    border: 1px solid var(--accent-red);
    box-shadow: 0 0 25px rgba(255, 23, 68, 0.45);
}

.btn-primary:hover {
    background: #d90f38;
    box-shadow: 0 0 40px rgba(255, 23, 68, 0.7);
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.04);
    color: #ffffff;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    border-color: var(--accent-red);
    background: rgba(255, 23, 68, 0.1);
    transform: translateY(-2px);
}

/* Headers */
.section-header {
    margin-bottom: 44px;
}

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

.section-tag {
    font-size: 0.8rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--accent-light);
    margin-bottom: 8px;
    display: block;
    font-weight: 600;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #ffffff 40%, #ffa5b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Glassmorphism Cards */
.glass-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 28px;
    backdrop-filter: blur(14px);
    transition: all 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-red), transparent);
    opacity: 0;
    transition: opacity 0.35s ease;
}

.glass-card:hover {
    border-color: var(--border-hover);
    background: var(--surface-hover);
    transform: translateY(-4px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5), 0 0 25px rgba(255, 23, 68, 0.15);
}

.glass-card:hover::before {
    opacity: 1;
}

.glass-card h3, .glass-card h4 {
    color: #ffffff;
    margin-bottom: 12px;
}

.glass-card p {
    color: var(--text-muted);
    margin-bottom: 16px;
    font-size: 0.95rem;
}

/* Profil & Badges */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.about-subnote {
    font-size: 0.88rem;
    margin-top: 16px;
    margin-bottom: 0 !important;
}

.lang-badges {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 14px;
}

.lang-badge {
    background: rgba(255, 23, 68, 0.12);
    border: 1px solid rgba(255, 23, 68, 0.28);
    padding: 5px 12px;
    border-radius: 12px;
    font-size: 0.82rem;
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.lang-badge span {
    color: var(--accent-light);
    font-weight: 700;
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tech-tag {
    font-size: 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 5px 12px;
    border-radius: 6px;
    color: rgba(255, 230, 235, 0.85);
    letter-spacing: 0.02em;
    user-select: none;
    display: inline-block;
}

/* Rote Umrandung und Glühen für alle POS-Badges */
.tech-tag.highlight {
    border-color: var(--accent-red) !important;
    background: rgba(255, 23, 68, 0.18) !important;
    color: #ffffff !important;
    box-shadow: 0 0 14px rgba(255, 23, 68, 0.4) !important;
}

/* Featured POS Showcase */
.featured-project {
    background: linear-gradient(135deg, rgba(32, 8, 18, 0.85) 0%, rgba(14, 3, 7, 0.95) 100%);
    border: 1px solid var(--border-hover);
    border-radius: 20px;
    padding: 36px;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.6);
    margin-bottom: 30px;
}

.featured-badge {
    display: inline-block;
    background: rgba(255, 23, 68, 0.2);
    border: 1px solid var(--accent-red);
    color: #ffffff;
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 14px;
    font-weight: 700;
}

.featured-title {
    font-size: clamp(1.5rem, 3.5vw, 2.2rem);
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 10px;
}

.featured-desc {
    color: var(--text-muted);
    max-width: 850px;
    font-size: 0.96rem;
    margin-bottom: 20px;
}

.pos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 18px;
    margin-top: 24px;
}

.pos-feature-card {
    background: rgba(0, 0, 0, 0.38);
    border: 1px solid rgba(255, 35, 75, 0.16);
    border-radius: 12px;
    padding: 20px;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), 
                opacity 0.3s ease, 
                border-color 0.3s ease, 
                box-shadow 0.3s ease;
}

.pos-feature-card:hover {
    border-color: var(--accent-light);
    background: rgba(255, 23, 68, 0.08);
}

.pos-card-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.pos-card-desc {
    font-size: 0.86rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Skills Grid */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 22px;
}

.skill-icon {
    font-size: 1.6rem;
    margin-bottom: 14px;
    display: inline-block;
}

.skill-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #ffffff;
}

.skill-desc {
    font-size: 0.92rem;
    color: var(--text-muted);
    margin-bottom: 18px;
}

/* Timeline & Filter */
.filter-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

.filter-btn {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 0.82rem;
    letter-spacing: 0.06em;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.filter-btn:hover, .filter-btn.active {
    background: var(--accent-red);
    border-color: var(--accent-red);
    color: #ffffff;
    box-shadow: 0 0 15px rgba(255, 23, 68, 0.35);
}

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

.timeline-item {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 24px;
    transition: all 0.3s ease;
}

.timeline-meta {
    text-align: right;
    padding-top: 4px;
}

.timeline-date {
    font-size: 0.82rem;
    letter-spacing: 0.12em;
    color: var(--accent-light);
    text-transform: uppercase;
    font-weight: 600;
}

.timeline-role {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 4px;
}

/* ================= KONTAKT & E-MAIL BAR (FIXIERT) ================= */
.contact-box {
    text-align: center;
    max-width: 680px;
    margin: 0 auto;
}

.contact-lead {
    color: var(--text-muted);
    font-size: 1.05rem;
}

.contact-sub {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.45);
    margin-top: 10px;
}

/* Desktop-Darstellung: E-Mail links, Button rechts */
.email-copy-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 20px;
    margin: 30px 0 20px 0;
    gap: 12px;
    width: 100%;
}

.email-text {
    font-family: monospace;
    font-size: 1.05rem;
    color: #ffffff;
    letter-spacing: 0.05em;
    overflow: hidden;
    text-overflow: ellipsis;
}

.copy-btn {
    background: rgba(255, 23, 68, 0.15);
    border: 1px solid rgba(255, 23, 68, 0.4);
    color: #ffffff;
    padding: 8px 18px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.82rem;
    font-family: inherit;
    font-weight: 600;
    transition: all 0.25s ease;
    flex-shrink: 0;
}

.copy-btn:hover {
    background: var(--accent-red);
    box-shadow: 0 0 15px rgba(255, 23, 68, 0.5);
}

/* Center-Focus Scroll Effekt für Desktop */
.scroll-focus-item {
    transition: transform 0.18s cubic-bezier(0.16, 1, 0.3, 1), 
                opacity 0.18s ease-out, 
                filter 0.18s ease-out, 
                border-color 0.25s ease, 
                box-shadow 0.25s ease;
    will-change: transform, opacity, filter;
    transform-origin: center center;
}

.scroll-focus-item.is-focused {
    border-color: rgba(255, 23, 68, 0.65) !important;
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.6), 0 0 35px rgba(255, 23, 68, 0.3) !important;
}

/* Footer */
footer {
    padding: 30px 0 40px 0;
    border-top: 1px solid rgba(255, 35, 75, 0.1);
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
}

/* Animationen */
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.85); }
}

/* Tablet Optimierung */
@media (max-width: 820px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    .timeline-item {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    .timeline-meta {
        text-align: left;
    }
}

/* ================= SMARTPHONE OPTIMIERUNG (FIX FÜR NAVBAR OBEN & EMAIL BUTTON) ================= */
@media (max-width: 600px) {
    /* 1. Navbar fest OBEN fixieren (über Safari-Browserleiste) */
    .navbar {
        top: 12px !important;
        bottom: auto !important;
        left: 50% !important;
        transform: translateX(-50%) !important;
        width: calc(100% - 20px) !important;
        max-width: 440px !important;
        padding: 5px 8px !important;
        overflow-x: auto !important;
        white-space: nowrap !important;
        justify-content: flex-start !important;
        gap: 4px !important;
        -webkit-overflow-scrolling: touch !important;
        scrollbar-width: none !important;
        background: rgba(14, 3, 8, 0.94) !important;
        border: 1px solid rgba(255, 35, 75, 0.3) !important;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.8) !important;
    }

    .navbar::-webkit-scrollbar {
        display: none !important;
    }

    .nav-link {
        font-size: 0.72rem !important;
        padding: 6px 10px !important;
        flex-shrink: 0 !important;
    }

    /* 2. E-Mail-Kopierbox: Untereinander anordnen, sodass der Button voll da ist */
    .email-copy-bar {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 12px !important;
        padding: 16px 14px !important;
        background: rgba(255, 255, 255, 0.03) !important;
    }

    .email-text {
        font-size: 0.88rem !important;
        text-align: center !important;
        word-break: break-all !important;
        line-height: 1.4 !important;
    }

    .copy-btn {
        width: 100% !important;
        padding: 12px !important;
        font-size: 0.85rem !important;
        display: block !important;
        text-align: center !important;
        background: rgba(255, 23, 68, 0.22) !important;
        border-color: var(--accent-red) !important;
    }

    /* 3. Text-Schärfe: Keine Unschärfe auf dem Handy */
    .scroll-focus-item {
        filter: none !important;
        opacity: 1 !important;
        transform: none !important;
    }

    /* 4. Spotlight auf Touchscreens deaktivieren */
    .cursor-spotlight {
        display: none !important;
    }

    /* 5. Abstände & Paddings */
    .page-wrapper {
        padding: 0 16px !important;
    }

    section {
        padding: 75px 0 35px 0 !important;
    }

    #contact {
        padding-bottom: 50px !important;
    }

    .title {
        font-size: clamp(3.2rem, 18vw, 4.8rem) !important;
        letter-spacing: -0.03em !important;
    }

    .subtitle {
        font-size: 0.85rem !important;
        letter-spacing: 0.22em !important;
    }

    .hero-meta {
        font-size: 0.95rem !important;
        line-height: 1.5 !important;
        padding: 0 4px !important;
    }

    .hero-buttons {
        width: 100% !important;
        flex-direction: column !important;
        gap: 12px !important;
    }

    .hero-buttons .btn {
        width: 100% !important;
        justify-content: center !important;
        padding: 14px 20px !important;
    }

    .glass-card {
        padding: 20px 16px !important;
    }

    .featured-project {
        padding: 22px 16px !important;
        border-radius: 16px !important;
    }

    .featured-title {
        font-size: 1.35rem !important;
        line-height: 1.25 !important;
    }

    .featured-desc {
        font-size: 0.9rem !important;
    }

    .pos-grid {
        grid-template-columns: 1fr !important;
        gap: 14px !important;
    }

    .pos-feature-card {
        padding: 16px 14px !important;
    }

    .tag-list {
        gap: 6px !important;
    }

    .tech-tag {
        font-size: 0.72rem !important;
        padding: 6px 10px !important;
    }
}