sonith-website/css/style.css

/* ============================================================
   sonith.de — Custom Styles
   CI-konform: Logo-Gelb #DEDC1E, Petrol #067391, CI-Grau #848687/#C8C9CA
   Hintergrund: petrol-getoentes Dunkel #0a1f28 / #102b38
   ============================================================ */

/* Smooth scrolling offset for fixed nav */
html {
    scroll-padding-top: 5rem;
}

/* ---- Navbar ---- */
#navbar {
    background: rgba(10, 31, 40, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

#navbar.scrolled {
    background: rgba(10, 31, 40, 0.95);
    box-shadow: 0 1px 0 rgba(6, 115, 145, 0.2);
}

/* Header schrumpft beim Scrollen: gross & einladend oben, kompakt waehrend des Lesens */
.nav-row {
    height: 6rem;
    transition: height 0.3s ease;
}
.nav-logo {
    height: 3.5rem;
    transition: height 0.3s ease;
}
@media (min-width: 1024px) {
    .nav-row { height: 7rem; }
    .nav-logo { height: 4.5rem; }
}
#navbar.scrolled .nav-row { height: 4rem; }
#navbar.scrolled .nav-logo { height: 2.25rem; }
@media (min-width: 1024px) {
    #navbar.scrolled .nav-row { height: 5rem; }
    #navbar.scrolled .nav-logo { height: 2.5rem; }
}

/* Active nav link */
.nav-link.active {
    color: #DEDC1E;
}

/* ---- Fade-in Animation ---- */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered children */
.fade-in:nth-child(2) { transition-delay: 0.1s; }
.fade-in:nth-child(3) { transition-delay: 0.2s; }
.fade-in:nth-child(4) { transition-delay: 0.3s; }

/* ---- Service Cards ---- */
.service-card {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out,
                border-color 0.3s, box-shadow 0.3s;
}

.service-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.service-card:nth-child(1) { transition-delay: 0.0s; }
.service-card:nth-child(2) { transition-delay: 0.08s; }
.service-card:nth-child(3) { transition-delay: 0.16s; }
.service-card:nth-child(4) { transition-delay: 0.24s; }
.service-card:nth-child(5) { transition-delay: 0.32s; }
.service-card:nth-child(6) { transition-delay: 0.40s; }

.service-card:hover {
    box-shadow: 0 0 24px rgba(222, 220, 30, 0.08),
                0 0 48px rgba(6, 115, 145, 0.06);
}

/* ---- Hero-Grid (Goldener Schnitt) ---- */
.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1.618fr 1fr;  /* Goldener Schnitt: Content : Cluster */
        gap: 4rem;
    }
}

/* Cluster-Wrapper: auf Mobile ausgeblendet (Knoten sind Touch-empfindlich,
   das gehoert in eine ruhige Desktop-Praesentation; Mobile-User nutzen das Menue). */
.cluster-wrapper { display: none; }
@media (min-width: 1024px) {
    .cluster-wrapper { display: block; }
}

/* ---- Hero-Cluster: Sonith-Logo-Stern als interaktiver Service-Picker ----
   Greift das exakte Logo-Motiv auf — zentraler Knoten mit pulsierendem Ring +
   5 strahlenfoermige Linien zu Aussenknoten in der originalen Logo-Anordnung
   (asymmetrisch nach rechts verlaengert). Jeder Knoten ist Anker-Link. */
.hero-cluster {
    overflow: visible;
    filter: drop-shadow(0 0 60px rgba(6, 115, 145, 0.18));
}

.logo-cluster line {
    stroke: #067391;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-opacity: 0.55;
    fill: none;
    stroke-dasharray: 6 10;
    animation: line-flow 8s linear infinite;
}

@keyframes line-flow {
    to { stroke-dashoffset: -48; }
}

.cluster-ring {
    fill: none;
    stroke: #DEDC1E;
    stroke-width: 1.8;
    stroke-opacity: 0.6;
    transform-box: fill-box;
    transform-origin: center;
    animation: ring-pulse 4s ease-in-out infinite;
}

@keyframes ring-pulse {
    0%, 100% { transform: scale(1);    stroke-opacity: 0.6;  }
    50%      { transform: scale(1.22); stroke-opacity: 0.18; }
}

/* Knoten — gefuellte Kreise mit Glow + asynchroner Pulse */
.node {
    fill: #DEDC1E;
    filter: drop-shadow(0 0 6px rgba(222, 220, 30, 0.55));
    transform-box: fill-box;
    transform-origin: center;
    animation: node-pulse 3.6s ease-in-out infinite;
    transition: transform 0.25s ease, filter 0.25s ease;
}

.node-center {
    animation-duration: 3.0s;
    filter: drop-shadow(0 0 14px rgba(222, 220, 30, 0.75));
}

@keyframes node-pulse {
    0%, 100% { transform: scale(1);    opacity: 0.7; }
    50%      { transform: scale(1.18); opacity: 1;   }
}

/* Klickflaeche: unsichtbarer groesserer Kreis (bessere Mausziel-Groesse) */
.node-hit {
    fill: transparent;
    cursor: pointer;
    pointer-events: all;
}

/* Hover-Verstaerkung: der zugehoerige sichtbare Knoten reagiert kraeftig */
.cluster-link { cursor: pointer; }

.cluster-link:hover .node,
.cluster-link:focus-visible .node {
    transform: scale(1.7);
    filter: drop-shadow(0 0 16px rgba(222, 220, 30, 1))
            drop-shadow(0 0 30px rgba(222, 220, 30, 0.6));
    animation-play-state: paused;
}

.cluster-link:hover .node-center,
.cluster-link:focus-visible .node-center {
    transform: scale(1.35);
    filter: drop-shadow(0 0 24px rgba(222, 220, 30, 1))
            drop-shadow(0 0 50px rgba(222, 220, 30, 0.7));
}

.cluster-link:focus-visible {
    outline: none;
}
.cluster-link:focus-visible .node {
    stroke: #DEDC1E;
    stroke-width: 2;
}

@media (prefers-reduced-motion: reduce) {
    .logo-cluster line,
    .cluster-ring,
    .node { animation: none !important; }
}

/* ---- Floating Orbs (Hero) ---- */
.orb {
    filter: blur(64px);
    pointer-events: none;
    will-change: transform;
}

.orb-petrol {
    background: radial-gradient(circle, #067391 0%, transparent 70%);
    animation: drift 14s ease-in-out infinite;
}

.orb-petrol-2 {
    background: radial-gradient(circle, #045066 0%, transparent 70%);
    animation: drift 18s ease-in-out infinite reverse;
}

.orb-sonith {
    background: radial-gradient(circle, #DEDC1E 0%, transparent 70%);
    animation: drift 20s ease-in-out infinite;
    animation-delay: -6s;
}

@keyframes drift {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33%      { transform: translate(40px, -30px) scale(1.08); }
    66%      { transform: translate(-30px, 25px) scale(0.95); }
}

/* Auf reduzierten Bewegungswunsch achten (a11y) */
@media (prefers-reduced-motion: reduce) {
    .orb { animation: none !important; }
}

/* ---- USP Cards (mit subtiler Pulse-Aura auf Icon-Kreisen) ---- */
.usp-card {
    transition: transform 0.3s ease;
}

.usp-card:hover {
    transform: translateY(-4px);
}

.usp-card > div:first-child {
    position: relative;
}

.usp-card > div:first-child::before {
    content: "";
    position: absolute;
    inset: -6px;
    border-radius: 9999px;
    background: radial-gradient(circle, rgba(222, 220, 30, 0.18) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
}

.usp-card:hover > div:first-child::before {
    opacity: 1;
    animation: pulse-soft 2.4s ease-in-out infinite;
}

@keyframes pulse-soft {
    0%, 100% { transform: scale(1);    opacity: 0.6; }
    50%      { transform: scale(1.18); opacity: 1; }
}

/* ---- Team Cards ---- */
.team-card {
    transition: transform 0.3s ease;
}

.team-card:hover {
    transform: translateY(-4px);
}

/* ---- Contact Cards ---- */
.contact-card {
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-2px);
}

/* ---- Selection Color ---- */
::selection {
    background: rgba(222, 220, 30, 0.3);
    color: #fff;
}

/* ---- Scrollbar (CI-Petrol-Toene) ---- */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #0a1f28;
}

::-webkit-scrollbar-thumb {
    background: #1a3d4d;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #045066;
}

/* ---- Focus Styles ---- */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #DEDC1E;
    outline-offset: 2px;
    border-radius: 4px;
}