/* RT Performance – gemeinsame lokale Gestaltung, ohne externe Fonts oder Icon-CDNs */
:root {
    --bg-dark: #0a0a0c;
    --bg-card: #121216;
    --bg-card-hover: #17171d;
    --accent-red: #e50914;
    --accent-red-dark: #bd0710;
    --accent-red-glow: rgba(229, 9, 20, 0.38);
    --text-light: #f5f5f7;
    --text-muted: #a9a9b1;
    --border-color: rgba(255, 255, 255, 0.10);
    --silver-grad: linear-gradient(135deg, #ffffff 0%, #b8b8bf 52%, #62626a 100%);
    --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    --font-display: "Arial Black", "Segoe UI Black", "Segoe UI", Arial, sans-serif;
    --header-height: 74px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 18px);
}

body {
    min-height: 100vh;
    background: var(--bg-dark);
    color: var(--text-light);
    font-family: var(--font-body);
    line-height: 1.65;
    overflow-x: hidden;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
}

svg {
    display: block;
}

.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    min-height: var(--header-height);
    background: rgba(10, 10, 12, 0.90);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 0.85rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.25rem;
}

.logo {
    flex: 0 0 auto;
    font-family: var(--font-display);
    font-size: clamp(1.15rem, 2vw, 1.75rem);
    font-weight: 900;
    text-decoration: none;
    color: #fff;
    letter-spacing: 0.12em;
    line-height: 1;
    white-space: nowrap;
}

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

.site-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: clamp(0.75rem, 2.5vw, 2rem);
}

.site-nav a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 650;
    font-size: 0.86rem;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    transition: color 0.2s ease;
    white-space: nowrap;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.footer-links a:hover,
.footer-links a:focus-visible,
.legal-content a:hover,
.legal-content a:focus-visible {
    color: var(--accent-red);
}

a:focus-visible,
button:focus-visible {
    outline: 3px solid rgba(229, 9, 20, 0.65);
    outline-offset: 4px;
    border-radius: 4px;
}

.hero {
    min-height: 100svh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    background:
        radial-gradient(circle at 50% 46%, rgba(229, 9, 20, 0.11) 0%, rgba(10, 10, 12, 0.98) 58%),
        linear-gradient(180deg, #0d0d10 0%, #09090b 100%);
    padding: calc(var(--header-height) + 2rem) 1rem 3rem;
}

.hero-content {
    width: min(980px, 94vw);
}

.hero-content h1 {
    font-family: var(--font-display);
    font-size: clamp(2.6rem, 8vw, 5rem);
    font-weight: 900;
    letter-spacing: clamp(0.07em, 1vw, 0.14em);
    line-height: 1.05;
    margin-bottom: 0.9rem;
    background: var(--silver-grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-transform: uppercase;
}

.hero-content h1 span {
    color: var(--accent-red);
    -webkit-text-fill-color: var(--accent-red);
}

.hero-subtitle {
    font-size: clamp(0.86rem, 2.4vw, 1.2rem);
    color: var(--text-muted);
    letter-spacing: clamp(0.12em, 0.5vw, 0.22em);
    text-transform: uppercase;
    margin-bottom: 2.5rem;
}

.btn-primary,
.action-btn,
.btn-back {
    border-radius: 6px;
    text-decoration: none;
    font-weight: 750;
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.35rem;
    background: var(--accent-red);
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    box-shadow: 0 0 22px var(--accent-red-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 32px rgba(229, 9, 20, 0.65);
}

.services {
    padding: 6rem 5%;
    max-width: 1300px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 5vw, 2.35rem);
    letter-spacing: 0.04em;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: "";
    display: block;
    width: 60px;
    height: 3px;
    background: var(--accent-red);
    margin: 12px auto 0;
    box-shadow: 0 0 10px var(--accent-red);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2.5rem 1.5rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.2s ease, border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    overflow-wrap: anywhere;
    hyphens: auto;
}

.service-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-red);
    transform: translateY(-5px);
    box-shadow: 0 14px 36px rgba(0, 0, 0, 0.42);
}

.icon {
    width: 2.65rem;
    height: 2.65rem;
    color: var(--accent-red);
    margin-bottom: 1.2rem;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.icon-small {
    flex: 0 0 auto;
    width: 1.35rem;
    height: 1.35rem;
    color: var(--accent-red);
    stroke: currentColor;
    fill: none;
    stroke-width: 1.9;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.action-btn .icon-small {
    color: currentColor;
}

.service-card h3 {
    font-size: 1.05rem;
    font-weight: 780;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 0.8rem;
    line-height: 1.4;
    width: 100%;
}

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

.contact {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 6rem 5%;
}

.contact-container {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 4rem;
}

.contact h2,
.contact h3 {
    font-family: var(--font-display);
    letter-spacing: 0.025em;
}

.contact-info h2 {
    font-size: clamp(1.55rem, 4vw, 1.9rem);
    margin-bottom: 1.7rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-item strong {
    color: var(--text-light);
    display: block;
}

.contact-item p,
.contact-item address,
.contact-intro {
    color: var(--text-muted);
    font-style: normal;
}

.contact-link {
    color: var(--text-muted);
    text-decoration: none;
}

.contact-link:hover,
.contact-link:focus-visible {
    color: #fff;
    text-decoration: underline;
}

.legal-info {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.88rem;
    color: var(--text-muted);
}

.action-btns {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
}

.action-btns h3 {
    font-size: 1.35rem;
}

.contact-intro {
    margin-bottom: 0.65rem;
}

.action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    padding: 1rem;
}

.btn-whatsapp {
    background: #1fa855;
    color: #fff;
}

.btn-call {
    background: #1a1a24;
    color: #fff;
    border: 1px solid var(--border-color);
}

.action-btn:hover {
    transform: translateY(-2px);
    opacity: 0.94;
    border-color: rgba(255, 255, 255, 0.22);
}

.site-footer {
    text-align: center;
    padding: 2rem 5%;
    background: var(--bg-dark);
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.82rem;
}

.footer-links {
    display: inline-flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.35rem 0.7rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
}

.legal-content {
    width: min(920px, 90%);
    margin: 0 auto;
    padding: calc(var(--header-height) + 3.2rem) 0 4.5rem;
}

.legal-content h1,
.legal-content h2,
.legal-content h3 {
    font-family: var(--font-display);
    color: #fff;
    letter-spacing: 0.015em;
}

.legal-content h1 {
    font-size: clamp(1.9rem, 5vw, 2.65rem);
    border-bottom: 2px solid var(--accent-red);
    padding-bottom: 0.7rem;
    margin-bottom: 2rem;
}

.legal-content h2 {
    font-size: clamp(1.2rem, 3.8vw, 1.5rem);
    margin-top: 2.25rem;
    margin-bottom: 0.8rem;
    color: var(--accent-red);
}

.legal-content h3 {
    font-size: 1.08rem;
    margin-top: 1.45rem;
    margin-bottom: 0.5rem;
}

.legal-content p,
.legal-content ul {
    margin-bottom: 1rem;
}

.legal-content ul {
    padding-left: 1.4rem;
}

.legal-content li + li {
    margin-top: 0.35rem;
}

.legal-content a {
    color: var(--accent-red);
    text-decoration: none;
    overflow-wrap: anywhere;
}

.legal-content address {
    font-style: normal;
}

.btn-back {
    display: inline-flex;
    align-items: center;
    margin-bottom: 2rem;
    padding: 0.55rem 1rem;
    background: var(--bg-card);
    color: #fff !important;
    border: 1px solid var(--border-color);
}

.btn-back:hover {
    border-color: var(--accent-red);
    transform: translateY(-1px);
}

.notice {
    border-left: 3px solid var(--accent-red);
    background: var(--bg-card);
    padding: 1rem 1.15rem;
    border-radius: 0 6px 6px 0;
    color: var(--text-muted);
}

@media (max-width: 768px) {
    :root {
        --header-height: 66px;
    }

    .site-header {
        padding: 0.75rem 4%;
        gap: 0.65rem;
    }

    .logo {
        font-size: 1.02rem;
        letter-spacing: 0.075em;
    }

    .site-nav {
        gap: 0.72rem;
    }

    .site-nav a {
        font-size: 0.68rem;
        letter-spacing: 0.055em;
    }

    .contact-container {
        grid-template-columns: 1fr;
        gap: 2.7rem;
    }

    .services,
    .contact {
        padding-top: 4.7rem;
        padding-bottom: 4.7rem;
    }

    .legal-content {
        width: 90%;
        padding-top: calc(var(--header-height) + 2.25rem);
    }
}

@media (max-width: 410px) {
    .logo {
        font-size: 0.91rem;
    }

    .site-nav {
        gap: 0.5rem;
    }

    .site-nav a {
        font-size: 0.61rem;
    }

    .hero-content h1 {
        letter-spacing: 0.045em;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}