/* =============================================
   TOBIAS ZULAUF — Freelance Developer v2
   Modern, dark-tech aesthetic
   ============================================= */

:root {
    --bg-dark:      #090E1A;
    --bg-card:      #111827;
    --bg-card-alt:  #0D1830;
    --accent-blue:  #0EA5E9;
    --accent-cyan:  #06B6D4;
    --accent-purple:#7C3AED;
    --text-primary: #F1F5F9;
    --text-muted:   #94A3B8;
    --text-light:   #CBD5E1;
    --border:       rgba(14, 165, 233, 0.15);
    --glow:         0 0 40px rgba(14, 165, 233, 0.12);
    --radius:       12px;
    --radius-lg:    20px;
    --transition:   0.3s ease;
}

/* ---- Reset & Base ---- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-dark);
    overflow-x: hidden;
}

a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--accent-cyan);
}

/* ---- Layout ---- */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 96px 0;
}

.section-label {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent-blue);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-sub {
    font-size: 17px;
    color: var(--text-muted);
    max-width: 560px;
    line-height: 1.7;
}

/* ---- Navigation ---- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 18px 0;
    transition: background var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
    background: rgba(9, 14, 26, 0.92);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 var(--border);
}

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

.nav-logo {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

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

.nav-links {
    display: flex;
    gap: 36px;
    list-style: none;
}

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    transition: color var(--transition);
}

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

.nav-cta {
    padding: 9px 20px;
    background: var(--accent-blue);
    color: #fff !important;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
}

.nav-cta:hover {
    background: var(--accent-cyan);
    color: #fff !important;
}

/* ---- Hero ---- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 60px;
    align-items: center;
    width: 100%;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(14, 165, 233, 0.1);
    border: 1px solid rgba(14, 165, 233, 0.25);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 500;
    color: var(--accent-blue);
    margin-bottom: 24px;
}

.hero-badge::before {
    content: '';
    width: 7px;
    height: 7px;
    background: var(--accent-cyan);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
    font-size: clamp(40px, 6vw, 64px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 20px;
}

.hero-title .name {
    display: block;
    background: linear-gradient(135deg, #fff 30%, var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title .role {
    display: block;
    color: var(--accent-blue);
    font-size: clamp(22px, 3.5vw, 36px);
    font-weight: 600;
    margin-top: 6px;
    letter-spacing: -0.5px;
}

.hero-desc {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 36px;
    max-width: 520px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 26px;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
}

.btn-primary {
    background: var(--accent-blue);
    color: #fff;
    box-shadow: 0 4px 20px rgba(14, 165, 233, 0.35);
}

.btn-primary:hover {
    background: var(--accent-cyan);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 28px rgba(14, 165, 233, 0.45);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    gap: 32px;
    margin-top: 48px;
    padding-top: 36px;
    border-top: 1px solid var(--border);
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 28px;
    font-weight: 800;
    color: var(--accent-blue);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-image-wrap {
    position: relative;
}

.hero-image-frame {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: linear-gradient(135deg, var(--bg-card), var(--bg-card-alt));
    border: 1px solid var(--border);
    box-shadow: var(--glow);
}

.hero-image-frame img {
    width: 100%;
    display: block;
    filter: grayscale(20%);
}

.hero-tag {
    position: absolute;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    backdrop-filter: blur(8px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.hero-tag .dot {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.hero-tag.tag-1 {
    bottom: -18px;
    left: -24px;
}

.hero-tag.tag-2 {
    top: -18px;
    right: -24px;
}

/* ---- Services ---- */
.services-bg {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 56px;
}

.service-card {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
    opacity: 0;
    transition: opacity var(--transition);
}

.service-card:hover {
    border-color: rgba(14, 165, 233, 0.35);
    transform: translateY(-4px);
    box-shadow: var(--glow);
}

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

.service-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: rgba(14, 165, 233, 0.1);
    border: 1px solid rgba(14, 165, 233, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--accent-blue);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.service-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 20px;
}

.tag {
    padding: 4px 10px;
    background: rgba(14, 165, 233, 0.08);
    border: 1px solid rgba(14, 165, 233, 0.15);
    border-radius: 999px;
    font-size: 11px;
    font-weight: 500;
    color: var(--accent-blue);
}

/* ---- Skills ---- */
.skills-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 56px;
    align-items: start;
}

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

.skill-row label {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-light);
    margin-bottom: 8px;
}

.skill-row label span {
    color: var(--accent-blue);
}

.skill-bar {
    height: 6px;
    background: rgba(255,255,255,0.06);
    border-radius: 999px;
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
    width: 0;
    transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.tech-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-content: flex-start;
}

.tech-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-light);
    transition: all var(--transition);
}

.tech-pill:hover {
    border-color: rgba(14, 165, 233, 0.4);
    color: var(--accent-blue);
    transform: translateY(-2px);
}

.tech-pill i {
    font-size: 16px;
    color: var(--accent-blue);
}

/* ---- About ---- */
.about-bg {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text p {
    color: var(--text-muted);
    font-size: 16px;
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-highlight {
    background: linear-gradient(135deg, rgba(14,165,233,0.08), rgba(124,58,237,0.08));
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent-blue);
    border-radius: 0 var(--radius) var(--radius) 0;
    padding: 20px 24px;
    margin: 28px 0;
    font-size: 16px;
    color: var(--text-light);
    font-style: italic;
    line-height: 1.6;
}

.timeline {
    position: relative;
    padding-left: 24px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(to bottom, var(--accent-blue), var(--accent-purple), transparent);
}

.timeline-item {
    position: relative;
    margin-bottom: 32px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -28px;
    top: 6px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent-blue);
    border: 2px solid var(--bg-card);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2);
}

.timeline-year {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1.5px;
    color: var(--accent-blue);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.timeline-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.timeline-desc {
    font-size: 14px;
    color: var(--text-muted);
}

/* ---- Contact ---- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
    margin-top: 56px;
}

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 32px;
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all var(--transition);
}

.contact-info-item:hover {
    border-color: rgba(14, 165, 233, 0.35);
}

.contact-icon-wrap {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(14, 165, 233, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: var(--accent-blue);
    flex-shrink: 0;
}

.contact-info-item span {
    font-size: 15px;
    color: var(--text-light);
}

.social-links {
    display: flex;
    gap: 12px;
    margin-top: 32px;
}

.social-link {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--text-muted);
    transition: all var(--transition);
}

.social-link:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    transform: translateY(-2px);
}

.contact-card {
    background: linear-gradient(135deg, var(--bg-card), var(--bg-card-alt));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    text-align: center;
    box-shadow: var(--glow);
}

.contact-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.contact-card p {
    font-size: 15px;
    color: var(--text-muted);
    margin-bottom: 28px;
}

.availability-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    color: #10B981;
    margin-bottom: 28px;
}

.availability-badge::before {
    content: '';
    width: 7px;
    height: 7px;
    background: #10B981;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

/* ---- Footer ---- */
.footer {
    padding: 28px 0;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer p {
    font-size: 13px;
    color: var(--text-muted);
}

.footer a {
    color: var(--accent-blue);
}

/* ---- Responsive ---- */
@media (max-width: 960px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-image-wrap {
        order: -1;
        max-width: 320px;
        margin: 0 auto;
    }
    .hero-desc {
        margin: 0 auto 36px;
    }
    .hero-actions {
        justify-content: center;
    }
    .hero-stats {
        justify-content: center;
    }
    .hero-tag { display: none; }
    .services-grid {
        grid-template-columns: 1fr;
    }
    .skills-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .nav-links {
        display: none;
    }
}

@media (max-width: 640px) {
    .section { padding: 64px 0; }
    .hero-title { letter-spacing: -1px; }
    .hero-stats { flex-wrap: wrap; gap: 24px; }
}

.contact-mail {
	width: 100%;
	justify-content: center;
}
.contact-subline {
	margin-top: 16px;
	font-size: 13px;
	color:var(--text-muted);
}
.background-joomla {
	background:rgba(14,165,233,0.15)
}
.background-joomla-icon {
	color:#019CE0
}
.background-sap {
	background:rgba(124,58,237,0.15)
}
.background-sap-icon {
	color:#019CE0
}

.pre-css-hidden {
    display: block !important;
}

.modal-window p {
	color: var(--text-primary);
}

.modal-window {
    position: fixed;
    background-color: rgba(22,97,190, 0.5);
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s;
    z-index: 9999;
	text-align: left;
}
.modal-window:target {
    opacity: 1;
    pointer-events: auto;
}
.modal-window > div {
    width: 400px;
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    padding: 2em;
    background: var(--bg-dark);
}
.modal-window.dse > div {
    width:80%;
    font-size:0.8rem;
}
.modal-window.dse {
    line-height:1rem;
}
.modal-window.dse ul, .modal-window.dse h3 {
    padding:1rem 2rem;
}
.modal-window header {
    font-weight: bold;
}
.modal-window h1 {
    font-size: 150%;
    margin: 0 0 15px;
}
.modal-close {
    color: #aaa;
    line-height: 50px;
    font-size: 80%;
    font-weight: bold;
    position: absolute;
    right: 0;
    text-align: center;
    top: 0;
    width: 70px;
    text-decoration: none;
}
.modal-close:hover {
    color: #fff;
}