/* =========================================
   KIVA Veranstaltungstechnik – Stylesheet
   Akzent: Lila (#8B6BAE) passend zum Logo
   ========================================= */

:root {
  --color-black: #0a0a0a;
  --color-dark: #141414;
  --color-dark-gray: #1c1c1c;
  --color-mid-gray: #2a2a2a;
  --color-light-gray: #b0b0b0;
  --color-white: #f5f5f5;
  --color-accent: #8B6BAE;
  --color-accent-hover: #A484C4;
  --color-accent-light: #B8A0D0;
  --color-accent-dark: #5D4480;
  --color-accent-glow: rgba(139, 107, 174, 0.25);
  --color-accent-subtle: rgba(139, 107, 174, 0.1);
  --font-heading: 'Segoe UI', 'Helvetica Neue', Helvetica, sans-serif;
  --font-body: 'Segoe UI', 'Helvetica Neue', Helvetica, sans-serif;
  --max-width: 1200px;
  --nav-height: 70px;
  --transition-fast: 0.2s ease;
  --transition-mid: 0.4s ease;
  --transition-slow: 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

/* === RESET === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-body); background: var(--color-black); color: var(--color-white); line-height: 1.7; overflow-x: hidden; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
ul, ol { list-style: none; margin: 0; padding: 0; }
a { color: var(--color-accent); text-decoration: none; transition: color var(--transition-fast); }
a:hover, a:focus-visible { color: var(--color-accent-hover); }
img { max-width: 100%; height: auto; display: block; }

/* === SKIP LINK === */
.skip-link { position: absolute; top: -100%; left: 0; background: var(--color-accent); color: var(--color-black); padding: 0.8rem 1.5rem; z-index: 10000; font-weight: 700; }
.skip-link:focus { top: 0; }

/* === CONTAINER === */
.container { width: 90%; max-width: var(--max-width); margin: 0 auto; }

/* === SECTION BASICS === */
section { padding: 6rem 0; }
.section-label { display: inline-block; font-size: 0.75rem; letter-spacing: 3px; text-transform: uppercase; color: var(--color-accent); margin-bottom: 1rem; font-weight: 600; }
.section-title { font-family: var(--font-heading); font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; line-height: 1.15; margin-bottom: 1.5rem; color: var(--color-white); }
.section-subtitle { font-size: 1.1rem; color: var(--color-light-gray); max-width: 640px; line-height: 1.7; }

/* === REVEAL ANIMATION === */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.7s cubic-bezier(0.23, 1, 0.32, 1), transform 0.7s cubic-bezier(0.23, 1, 0.32, 1); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* =========================================
   NAVIGATION
   ========================================= */
.navbar { position: fixed; top: 0; left: 0; width: 100%; height: var(--nav-height); z-index: 1000; transition: background var(--transition-mid), box-shadow var(--transition-mid); background: transparent; }
.navbar.scrolled { background: rgba(10, 10, 10, 0.95); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05); }
.navbar .container { display: flex; align-items: center; justify-content: space-between; height: 100%; }

.nav-logo { display: flex; align-items: center; text-decoration: none; }
.nav-logo:hover, .nav-logo:focus-visible { text-decoration: none; opacity: 0.9; }
.nav-logo img { height: 45px; width: auto; display: block; }
.nav-logo span { color: var(--color-accent); }

.nav-links { display: flex; align-items: center; gap: 2rem; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--color-light-gray); font-size: 0.9rem; font-weight: 500; letter-spacing: 0.3px; position: relative; padding: 0.3rem 0; transition: color var(--transition-fast); }
.nav-links a::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px; background: var(--color-accent); transition: width var(--transition-mid); }
.nav-links a:hover, .nav-links a:focus-visible { color: var(--color-white); }
.nav-links a:hover::after, .nav-links a:focus-visible::after { width: 100%; }

.nav-cta { background: var(--color-accent); color: #ffffff !important; padding: 0.6rem 1.4rem; border-radius: 6px; font-weight: 700; font-size: 0.85rem; transition: background var(--transition-fast), transform var(--transition-fast); }
.nav-cta::after { display: none !important; }
.nav-cta:hover { background: var(--color-accent-hover); transform: translateY(-1px); color: #ffffff !important; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--color-white); transition: transform var(--transition-fast), opacity var(--transition-fast); }
.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: flex-start; overflow: hidden; padding: 0; }
.hero-bg { position: absolute; inset: 0; background-color: #0d1117; background-image: url('../images/hero.jpg'); background-position: center center; background-size: cover; background-repeat: no-repeat; z-index: 0; }
.hero-bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.6) 50%, rgba(50,20,70,0.7) 100%); }
.hero::before { content: ''; position: absolute; top: -50%; right: -20%; width: 600px; height: 600px; background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%); border-radius: 50%; z-index: 1; animation: float-glow 8s ease-in-out infinite; }

@keyframes float-glow { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(-40px, 30px) scale(1.1); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }

.hero-content { position: relative; z-index: 2; width: 90%; max-width: var(--max-width); margin: 0 auto; padding: calc(var(--nav-height) + 2rem) 0 4rem; }
.hero-label { display: inline-block; font-size: 0.75rem; letter-spacing: 4px; text-transform: uppercase; color: var(--color-accent); margin-bottom: 1.5rem; font-weight: 600; opacity: 0; animation: fadeUp 0.8s 0.3s forwards; }
.hero h1 { font-family: var(--font-heading); font-size: clamp(2.5rem, 6vw, 4.5rem); font-weight: 900; line-height: 1.08; letter-spacing: -1.5px; margin-bottom: 1.5rem; max-width: 700px; opacity: 0; animation: fadeUp 0.8s 0.5s forwards; }
.hero h1 .accent { color: var(--color-accent-light); }
.hero-sub { font-size: 1.2rem; color: var(--color-light-gray); max-width: 520px; line-height: 1.7; margin-bottom: 2.5rem; opacity: 0; animation: fadeUp 0.8s 0.7s forwards; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; opacity: 0; animation: fadeUp 0.8s 0.9s forwards; }

/* === BUTTONS === */
.btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 1rem 2rem; border-radius: 8px; font-size: 1rem; font-weight: 700; cursor: pointer; border: none; transition: all var(--transition-fast); text-decoration: none; }
.btn-primary { background: var(--color-accent); color: #ffffff; }
.btn-primary:hover, .btn-primary:focus-visible { background: var(--color-accent-hover); transform: translateY(-2px); box-shadow: 0 8px 30px var(--color-accent-glow); color: #ffffff; }
.btn-outline { background: transparent; color: var(--color-white); border: 2px solid rgba(255, 255, 255, 0.2); }
.btn-outline:hover, .btn-outline:focus-visible { border-color: var(--color-accent); color: var(--color-accent); transform: translateY(-2px); }

/* =========================================
   ÜBER UNS
   ========================================= */
.about { background: var(--color-dark); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; margin-top: 3rem; }
.about-image { position: relative; border-radius: 12px; overflow: hidden; aspect-ratio: 4/3; }
.about-image img { width: 100%; height: 100%; object-fit: cover; }
.about-image::after { content: ''; position: absolute; inset: 0; border: 1px solid rgba(139, 107, 174, 0.15); border-radius: 12px; pointer-events: none; }
.about-text p { color: var(--color-light-gray); margin-bottom: 1.5rem; font-size: 1.05rem; }
.usp-list { list-style: none; margin: 2rem 0 0; padding: 0; }
.usp-list li { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.2rem; color: var(--color-white); font-weight: 500; }
.usp-icon { flex-shrink: 0; width: 28px; height: 28px; background: var(--color-accent-subtle); border-radius: 6px; display: flex; align-items: center; justify-content: center; color: var(--color-accent); font-size: 0.85rem; font-weight: 700; }

/* =========================================
   LEISTUNGEN
   ========================================= */
.services { background: var(--color-black); }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 2rem; margin-top: 3rem; }
.service-card { background: var(--color-dark); border: 1px solid rgba(255, 255, 255, 0.05); border-radius: 14px; padding: 2.5rem 2rem; transition: transform var(--transition-mid), border-color var(--transition-mid), box-shadow var(--transition-mid); position: relative; overflow: hidden; }
.service-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--color-accent); transform: scaleX(0); transform-origin: left; transition: transform var(--transition-mid); }
.service-card:hover { transform: translateY(-4px); border-color: rgba(139, 107, 174, 0.2); box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon { width: 56px; height: 56px; background: var(--color-accent-subtle); border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 1.5rem; font-size: 1.5rem; }
.service-icon svg { width: 28px; height: 28px; stroke: var(--color-accent); stroke-width: 2; fill: none; }
.service-card h3 { font-family: var(--font-heading); font-size: 1.3rem; font-weight: 700; margin-bottom: 0.8rem; color: var(--color-white); }
.service-card p { color: var(--color-light-gray); font-size: 0.95rem; line-height: 1.7; }

/* =========================================
   REFERENZEN
   ========================================= */
.references { background: var(--color-dark); }
.ref-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; margin-top: 3rem; }
.ref-item { position: relative; border-radius: 12px; overflow: hidden; aspect-ratio: 16/10; cursor: pointer; }
.ref-item img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
.ref-item:hover img { transform: scale(1.05); }
.ref-overlay { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(0,0,0,0.8) 0%, transparent 60%); display: flex; flex-direction: column; justify-content: flex-end; padding: 1.5rem; transition: opacity var(--transition-mid); }
.ref-overlay h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.3rem; }
.ref-overlay p { font-size: 0.85rem; color: var(--color-light-gray); }

/* =========================================
   TESTIMONIALS
   ========================================= */
.testimonials { background: var(--color-black); }
.testimonial-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2rem; margin-top: 3rem; }
.testimonial-card { background: var(--color-dark); border: 1px solid rgba(255, 255, 255, 0.05); border-radius: 14px; padding: 2.5rem 2rem; position: relative; }
.testimonial-card::before { content: '\201E'; font-size: 4rem; color: var(--color-accent); opacity: 0.3; line-height: 1; position: absolute; top: 1rem; right: 1.5rem; }
.testimonial-text { font-size: 1.05rem; color: var(--color-light-gray); font-style: italic; line-height: 1.7; margin-bottom: 1.5rem; }
.testimonial-author { display: flex; align-items: center; gap: 1rem; }
.testimonial-avatar { width: 44px; height: 44px; background: var(--color-mid-gray); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; color: var(--color-accent); font-size: 0.9rem; }
.testimonial-info strong { display: block; font-size: 0.95rem; color: var(--color-white); }
.testimonial-info span { font-size: 0.8rem; color: var(--color-light-gray); }
.stars { color: var(--color-accent); font-size: 0.9rem; margin-bottom: 1rem; letter-spacing: 2px; }

/* =========================================
   FAQ
   ========================================= */
.faq { background: var(--color-dark); }
.faq-list { max-width: 780px; margin: 3rem auto 0; }
.faq-item { border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 1.5rem 0; background: none; border: none; color: var(--color-white); font-size: 1.05rem; font-weight: 600; cursor: pointer; text-align: left; font-family: var(--font-body); transition: color var(--transition-fast); }
.faq-question:hover, .faq-question:focus-visible { color: var(--color-accent); }
.faq-icon { font-size: 1.5rem; transition: transform var(--transition-mid); flex-shrink: 0; margin-left: 1rem; color: var(--color-accent); }
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height var(--transition-mid), padding var(--transition-mid); }
.faq-answer p { color: var(--color-light-gray); font-size: 0.95rem; padding-bottom: 1.5rem; line-height: 1.7; }

/* =========================================
   KONTAKT
   ========================================= */
.contact { background: var(--color-black); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; margin-top: 3rem; }

.contact-info-item { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 2rem; }
.contact-icon { width: 48px; height: 48px; background: var(--color-accent-subtle); border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: background var(--transition-fast); }
.contact-icon svg { width: 22px; height: 22px; stroke: var(--color-accent); stroke-width: 2; fill: none; }
.contact-info-item h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.3rem; transition: color var(--transition-fast); }
.contact-info-item p,
.contact-info-item a { color: var(--color-light-gray); font-size: 0.95rem; }

/* Klickbare Kontakt-Boxen */
a.contact-link { text-decoration: none; color: inherit; border-radius: 12px; padding: 1rem; margin: -1rem; margin-bottom: 1rem; transition: background var(--transition-fast), transform var(--transition-fast); cursor: pointer; display: flex; align-items: flex-start; gap: 1rem; }
a.contact-link:hover { background: rgba(139, 107, 174, 0.08); transform: translateX(4px); color: inherit; }
a.contact-link:hover .contact-icon { background: rgba(139, 107, 174, 0.2); }
a.contact-link:hover h4 { color: var(--color-accent); }
a.contact-link span { color: var(--color-light-gray); font-size: 0.95rem; }

/* Formular */
.contact-form { display: flex; flex-direction: column; gap: 1.2rem; }
.form-group { display: flex; flex-direction: column; }
.form-group label { font-size: 0.85rem; font-weight: 600; margin-bottom: 0.4rem; color: var(--color-white); }
.form-group input,
.form-group textarea,
.form-group select { padding: 0.9rem 1rem; background: var(--color-dark); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 8px; color: var(--color-white); font-family: var(--font-body); font-size: 1rem; transition: border-color var(--transition-fast), box-shadow var(--transition-fast); }
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px var(--color-accent-glow); }
.form-group textarea { resize: vertical; min-height: 130px; }
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255, 255, 255, 0.3); }
.form-consent { display: flex; align-items: flex-start; gap: 0.7rem; font-size: 0.85rem; color: var(--color-light-gray); }
.form-consent input[type="checkbox"] { margin-top: 0.2rem; accent-color: var(--color-accent); width: 18px; height: 18px; flex-shrink: 0; }
.btn-submit { align-self: flex-start; }

.form-status { margin-top: 1rem; padding: 1rem 1.2rem; border-radius: 8px; font-size: 0.95rem; font-weight: 500; transition: opacity 0.5s ease; }
.form-status-success { background: rgba(0, 200, 80, 0.12); border: 1px solid rgba(0, 200, 80, 0.3); color: #4ade80; }
.form-status-error { background: rgba(255, 60, 60, 0.12); border: 1px solid rgba(255, 60, 60, 0.3); color: #f87171; }

.form-hp { position: absolute; left: -9999px; top: -9999px; opacity: 0; height: 0; width: 0; overflow: hidden; pointer-events: none; }

/* =========================================
   FOOTER
   ========================================= */
.footer { background: var(--color-dark); border-top: 1px solid rgba(255, 255, 255, 0.05); padding: 3rem 0 1.5rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 3rem; margin-bottom: 2.5rem; }
.footer-brand .nav-logo { font-size: 1.4rem; margin-bottom: 1rem; display: inline-block; }
.footer-brand p { color: var(--color-light-gray); font-size: 0.9rem; max-width: 320px; line-height: 1.7; }
.footer h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 1.2rem; color: var(--color-white); }
.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin-bottom: 0.6rem; }
.footer-links a { color: var(--color-light-gray); font-size: 0.9rem; transition: color var(--transition-fast); }
.footer-links a:hover, .footer-links a:focus-visible { color: var(--color-accent); }
.social-links { display: flex; gap: 0.8rem; margin-top: 1.5rem; }
.social-links a { width: 40px; height: 40px; background: var(--color-mid-gray); border-radius: 8px; display: flex; align-items: center; justify-content: center; transition: background var(--transition-fast), transform var(--transition-fast); }
.social-links a:hover { background: var(--color-accent); transform: translateY(-2px); }
.social-links a svg { width: 18px; height: 18px; fill: var(--color-white); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.05); padding-top: 1.5rem; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; font-size: 0.85rem; color: var(--color-light-gray); }

/* =========================================
   COOKIE BANNER
   ========================================= */
.cookie-banner { position: fixed; bottom: 0; left: 0; right: 0; background: var(--color-dark); border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 1.5rem; z-index: 9999; display: none; box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.5); }
.cookie-banner.show { display: block; }
.cookie-content { max-width: var(--max-width); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.cookie-content p { font-size: 0.9rem; color: var(--color-light-gray); flex: 1; min-width: 200px; }
.cookie-content p a { color: var(--color-accent); text-decoration: underline; }
.cookie-actions { display: flex; gap: 0.8rem; flex-shrink: 0; }
.btn-cookie { padding: 0.7rem 1.5rem; border-radius: 8px; font-size: 0.85rem; font-weight: 700; cursor: pointer; border: none; font-family: var(--font-body); transition: all var(--transition-fast); }
.btn-cookie-accept { background: var(--color-accent); color: #ffffff; }
.btn-cookie-accept:hover { background: var(--color-accent-hover); }
.btn-cookie-decline { background: var(--color-mid-gray); color: var(--color-white); }
.btn-cookie-decline:hover { background: rgba(255, 255, 255, 0.15); }

/* =========================================
   MODALS
   ========================================= */
.modal-overlay { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.85); z-index: 10000; display: none; align-items: center; justify-content: center; padding: 2rem; overflow-y: auto; }
.modal-overlay.show { display: flex; }
.modal { background: var(--color-dark); border: 1px solid rgba(255, 255, 255, 0.08); border-radius: 16px; max-width: 700px; width: 100%; max-height: 80vh; overflow-y: auto; padding: 3rem; position: relative; }
.modal-close { position: absolute; top: 1rem; right: 1rem; background: none; border: none; color: var(--color-light-gray); font-size: 1.5rem; cursor: pointer; padding: 0.5rem; transition: color var(--transition-fast); }
.modal-close:hover { color: var(--color-white); }
.modal h2 { font-size: 1.8rem; margin-bottom: 1.5rem; color: var(--color-white); }
.modal h3 { font-size: 1.15rem; margin-top: 1.5rem; margin-bottom: 0.5rem; color: var(--color-white); }
.modal p, .modal li { color: var(--color-light-gray); font-size: 0.95rem; line-height: 1.7; margin-bottom: 0.8rem; }

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 1024px) {
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  section { padding: 4rem 0; }
  .nav-links { position: fixed; top: 0; right: -100%; height: 100vh; width: 280px; background: var(--color-dark); flex-direction: column; justify-content: center; padding: 2rem; gap: 1.5rem; transition: right var(--transition-mid); box-shadow: -4px 0 30px rgba(0, 0, 0, 0.5); }
  .nav-links.active { right: 0; }
  .nav-toggle { display: flex; }
  .hero h1 { font-size: clamp(2rem, 8vw, 3rem); }
  .ref-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cookie-content { flex-direction: column; text-align: center; }
}

/* === FOCUS === */
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

/* === PRINT === */
@media print {
  .navbar, .cookie-banner, .modal-overlay { display: none !important; }
  body { background: white; color: black; }
}