/* ============================================
   TECHNIK AG — HYPERMODERN WEBSITE
   Dark theme, glassmorphism, smooth animations
   ============================================ */

/* ============ VARIABLES ============ */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-tertiary: #1a1a24;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    --bg-glass: rgba(255, 255, 255, 0.05);
    --bg-glass-strong: rgba(255, 255, 255, 0.08);

    --text-primary: #f0f0f5;
    --text-secondary: #9494a8;
    --text-tertiary: #6b6b80;

    --accent-primary: #6c5ce7;
    --accent-secondary: #a29bfe;
    --accent-glow: rgba(108, 92, 231, 0.3);
    --accent-gradient: linear-gradient(135deg, #6c5ce7, #a29bfe, #74b9ff);

    --border-color: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);

    --section-padding: clamp(80px, 10vw, 140px);
    --container-width: 1200px;
    --container-padding: clamp(20px, 4vw, 40px);

    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 24px;
}

/* ============ RESET & BASE ============ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s var(--ease-out);
}

img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ============ CURSOR GLOW ============ */
.cursor-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.5s ease;
}
.cursor-glow.active { opacity: 0.4; }

/* ============ CONTAINER ============ */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ============ NAVIGATION ============ */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.4s var(--ease-out);
}

.nav.scrolled {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px) saturate(1.5);
    -webkit-backdrop-filter: blur(20px) saturate(1.5);
    border-bottom: 1px solid var(--border-color);
    padding: 10px 0;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.25rem;
    z-index: 1001;
}

.logo-icon { font-size: 1.5rem; filter: saturate(1.3); }
.logo-text { letter-spacing: -0.02em; }

.logo-accent {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 4px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px; left: 0;
    width: 0; height: 2px;
    background: var(--accent-gradient);
    border-radius: 1px;
    transition: width 0.3s var(--ease-out);
}

.nav-link:hover { color: var(--text-primary); }
.nav-link:hover::after { width: 100%; }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.nav-toggle span {
    width: 24px; height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s var(--ease-out);
}

.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

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

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.grid-lines {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.hero-orb--1 {
    width: 500px; height: 500px;
    background: rgba(108, 92, 231, 0.25);
    top: -10%; right: -5%;
}
.hero-orb--2 {
    width: 400px; height: 400px;
    background: rgba(116, 185, 255, 0.15);
    bottom: -10%; left: -5%;
    animation-delay: -7s;
}
.hero-orb--3 {
    width: 300px; height: 300px;
    background: rgba(162, 155, 254, 0.2);
    top: 40%; left: 50%;
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -40px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(15px, 35px) scale(1.02); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 120px var(--container-padding) 80px;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.badge-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: #00d68f;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0,214,143,0.4); }
    50% { opacity: 0.8; box-shadow: 0 0 0 8px rgba(0,214,143,0); }
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    letter-spacing: -0.04em;
    line-height: 1.05;
    margin-bottom: 16px;
}

.text-gradient {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.hero-description {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

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

.hero-scroll {
    position: absolute;
    bottom: 40px; left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-tertiary);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-indicator {
    width: 24px; height: 38px;
    border: 2px solid var(--border-hover);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 6px;
}

.scroll-dot {
    width: 4px; height: 8px;
    border-radius: 2px;
    background: var(--accent-primary);
    animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(10px); opacity: 0.3; }
}

/* ============ BUTTONS ============ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-family: var(--font-main);
    font-size: 0.9rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s var(--ease-out);
    white-space: nowrap;
}

.btn--primary {
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: 0 4px 24px var(--accent-glow);
}
.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(108,92,231,0.45);
}

.btn--ghost {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}
.btn--ghost:hover {
    background: var(--bg-glass-strong);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.btn--full {
    width: 100%;
    justify-content: center;
}

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

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--accent-secondary);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 16px;
    padding: 6px 14px;
    background: rgba(108,92,231,0.1);
    border: 1px solid rgba(108,92,231,0.2);
    border-radius: 100px;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ============ STATS ============ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.stat-card {
    text-align: center;
    padding: 36px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all 0.4s var(--ease-out);
    position: relative;
    overflow: hidden;
}
.stat-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity 0.4s var(--ease-out);
    z-index: 0;
}
.stat-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
}
.stat-card:hover::before { opacity: 0.04; }
.stat-card > * { position: relative; z-index: 1; }

.stat-icon { font-size: 2rem; margin-bottom: 12px; }

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    display: inline;
    letter-spacing: -0.02em;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.stat-suffix {
    font-size: 1.5rem;
    font-weight: 700;
    display: inline;
    color: var(--accent-secondary);
}
.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 4px;
    font-weight: 500;
}

/* ============ SERVICES ============ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.service-card {
    padding: 40px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all 0.4s var(--ease-out);
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity 0.4s var(--ease-out);
}
.service-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    background: var(--bg-card-hover);
}
.service-card:hover::before { opacity: 1; }

.service-icon-wrap {
    width: 56px; height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(108,92,231,0.1);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}
.service-icon { font-size: 1.5rem; }

.service-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}
.service-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============ EQUIPMENT ============ */
.equipment-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.equip-card {
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all 0.4s var(--ease-out);
}
.equip-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.equip-header { margin-bottom: 16px; }
.equip-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent-secondary);
    padding: 4px 10px;
    background: rgba(108,92,231,0.12);
    border-radius: 100px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}
.equip-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
}
.equip-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 20px;
}
.equip-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.equip-specs li {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 5px 12px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 100px;
}

/* ============ AUSLEIHE ============ */
.ausleihe-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}
.ausleihe-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.info-card {
    padding: 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}
.info-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 14px;
}
.info-card ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.info-card ul li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    padding-left: 20px;
    position: relative;
}
.info-card ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: 600;
}
.info-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.65;
}
.info-card--warning {
    border-color: rgba(255,170,50,0.2);
    background: rgba(255,170,50,0.04);
}
.info-card--warning h3 { color: #ffaa32; }

/* ============ GLASS CARD ============ */
.glass-card {
    padding: 36px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}
.glass-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.form-hint {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

/* ============ CONTACT ============ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.contact-card {
    padding: 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all 0.3s var(--ease-out);
}
.contact-card:hover { border-color: var(--border-hover); }
.contact-icon { font-size: 1.5rem; margin-bottom: 12px; }
.contact-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 6px;
}
.contact-card a,
.contact-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}
.contact-card a:hover { color: var(--accent-secondary); }

.social-links {
    display: flex;
    gap: 12px;
    margin-top: 4px;
}
.social-link {
    width: 40px; height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: all 0.3s var(--ease-out);
}
.social-link:hover {
    color: var(--accent-secondary);
    border-color: var(--accent-primary);
    background: rgba(108,92,231,0.1);
    transform: translateY(-2px);
}

/* ============ FORMS ============ */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.03em;
    text-transform: uppercase;
}
.form-group input,
.form-group textarea {
    padding: 14px 16px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: var(--font-main);
    font-size: 0.95rem;
    color: var(--text-primary);
    transition: all 0.3s var(--ease-out);
    outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-tertiary); }
.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-primary);
    background: rgba(108,92,231,0.05);
    box-shadow: 0 0 0 3px rgba(108,92,231,0.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }

/* ============ FOOTER ============ */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 64px 0 32px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 48px;
}
.footer-brand p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 12px;
    line-height: 1.6;
    max-width: 280px;
}
.footer-links-col {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-links-col h4 {
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--text-primary);
}
.footer-links-col a {
    font-size: 0.875rem;
    color: var(--text-secondary);
}
.footer-links-col a:hover { color: var(--text-primary); }

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}
.footer-bottom p {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

/* ============ ANIMATIONS ============ */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
[data-animate].visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .equipment-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        inset: 0;
        background: rgba(10,10,15,0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 28px;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.4s var(--ease-out);
    }
    .nav-links.open { opacity: 1; pointer-events: all; }
    .nav-links .nav-link { font-size: 1.25rem; }
    .nav-toggle { display: flex; }
    .services-grid { grid-template-columns: 1fr; }
    .equipment-grid { grid-template-columns: 1fr; }
    .ausleihe-layout { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .hero-scroll { display: none; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .hero-title { font-size: 2.5rem; }
    .hero-actions { flex-direction: column; width: 100%; }
    .hero-actions .btn { width: 100%; justify-content: center; }
}

/* ============ SELECTION & SCROLLBAR ============ */
::selection { background: rgba(108,92,231,0.3); color: #fff; }

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--bg-tertiary); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-primary); }