/* ============================================
   UEBER-UNS.HTML — Page-specific styles
   ============================================ */

.ueber-editorial {
    padding-top: clamp(3rem, 5vw, 5rem);
    padding-bottom: clamp(3rem, 5vw, 5rem);
}

/* ========== USP SECTION (shared with index, redefined here) ========== */
/* Transparent damit atmo-wrap Hintergrund und Beams durchblitzen — nahtloser
   Übergang zur Editorial-Section darüber (gleicher atmo-wrap-Scope). */
.usp-section {
    background: transparent;
}

.usp-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    max-width: 1200px;
    margin: clamp(3rem, 6vw, 5rem) auto 0;
}

@media (min-width: 720px) {
    .usp-grid { grid-template-columns: 1fr 1fr; gap: 3rem 2.5rem; }
}

@media (min-width: 1024px) {
    .usp-grid { grid-template-columns: repeat(3, 1fr); }
}

.usp-point {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 1rem;
}

.usp-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 12px var(--accent-60);
    flex-shrink: 0;
    margin-top: 0.6em;
}

.usp-text {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    min-width: 0;
}

.usp-point h4 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 400;
    line-height: 1.2;
    color: var(--text);
    letter-spacing: -0.01em;
}

.usp-point p {
    font-size: 14.5px;
    color: var(--text-body);
    line-height: 1.7;
}

/* ========== PROCESS GRID ========== */
.full-service {
    background: transparent;
    position: relative;
}

/* ═══ ABLAUF: Cinematic Rail Timeline (Schongebaut-Pattern, Lämmermann-Farben) ═══
   Zwei Observer triggern zwei State-Classes auf #ablauf:
   - .ab-active: Headlines faden (Section-scope)
   - .ab-rail-active: Rail-Fill + Station-Ignition + Step-Cards (Rail-scope)
   Rail-Fill läuft 4s linear mit Mikro-Pausen an jeder Station, Station-Delays
   matchen Fill-Ankunft exakt → synchrones Einrasten. */

#ablauf { position: relative; }

/* Atemraum matched Main-USP: clamp(3rem, 6vw, 5rem) beide Gaps. Stations ragen
   ±16px aus der 2px-Rail — ohne Extra-Padding fühlt sich Header→Station zu eng an. */
#ablauf .section-header {
    margin-bottom: clamp(3rem, 6vw, 5rem);
}

/* Pre-Entry States */
.ab-reveal-el {
    opacity: 0;
    transform: translateY(10px);
    filter: blur(4px);
}
.ab-fog {
    opacity: 0;
    transform: translateY(12px) scale(0.99);
    filter: blur(10px);
}

/* Headline Reveals on section enter */
#ablauf.ab-active .ab-reveal-el:not(.ab-step) {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
    transition: opacity 0.9s var(--ease) var(--ab-d, 0ms),
                transform 0.9s var(--ease) var(--ab-d, 0ms),
                filter 1.1s var(--ease) var(--ab-d, 0ms);
}

/* Rail (.ab-fog) fadet beim Section-Enter */
#ablauf.ab-active .ab-fog {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
    transition: opacity 1.1s var(--ease) 300ms,
                transform 1.1s var(--ease) 300ms,
                filter 1.4s var(--ease) 300ms;
}

/* Step Cards syncen mit Rail (Delays via --ab-d: 1000/2000/3000/4000ms) */
#ablauf.ab-rail-active .ab-step.ab-reveal-el {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
    transition: opacity 0.9s var(--ease) var(--ab-d, 0ms),
                transform 0.9s var(--ease) var(--ab-d, 0ms),
                filter 1.1s var(--ease) var(--ab-d, 0ms);
}

/* ─── Rail Track (2px horizontal) ─── */
.ab-rail {
    position: relative;
    height: 2px;
    background: color-mix(in srgb, var(--text) 8%, transparent);
    margin-bottom: clamp(3rem, 6vw, 5rem);
    display: none;
}
@media (min-width: 1024px) {
    .ab-rail { display: block; }
}

/* Rail Fill — akzent-roter Gradient mit Micro-Glow */
.ab-rail::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg,
                    color-mix(in srgb, var(--accent) 40%, transparent) 0%,
                    color-mix(in srgb, var(--accent) 70%, transparent) 70%,
                    var(--accent) 100%);
    box-shadow: 0 0 8px color-mix(in srgb, var(--accent) 15%, transparent);
}

/* Fill-Animation: 4s linear, 0.6s delay. Mikro-Pausen (6%) an jeder Station */
#ablauf.ab-rail-active .ab-rail::after {
    animation: abRailFill 4s linear 0.6s 1 forwards;
}
@keyframes abRailFill {
    0%   { width: 0%; }
    10%  { width: 12.5%; }
    16%  { width: 12.5%; }
    35%  { width: 37.5%; }
    41%  { width: 37.5%; }
    60%  { width: 62.5%; }
    66%  { width: 62.5%; }
    85%  { width: 87.5%; }
    91%  { width: 87.5%; }
    100% { width: 100%; }
}

/* ─── Stations (32px Kreise auf Rail) ─── */
.ab-station {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg);
    border: 1px solid color-mix(in srgb, var(--accent) 15%, transparent);
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.03em;
    color: color-mix(in srgb, var(--text) 35%, transparent);
}

/* Station-Ignition: flasht, settled auf Akzent. --ab-sd delays matchen Fill-Ankunft */
#ablauf.ab-rail-active .ab-station {
    animation: abStationFlash 750ms ease-out var(--ab-sd, 0s) 1 forwards;
}
@keyframes abStationFlash {
    0%   { border-color: color-mix(in srgb, var(--accent) 15%, transparent); color: color-mix(in srgb, var(--text) 35%, transparent); box-shadow: none; }
    10%  { border-color: var(--accent); color: var(--text); box-shadow: 0 0 12px color-mix(in srgb, var(--accent) 18%, transparent); }
    35%  { border-color: color-mix(in srgb, var(--accent) 50%, transparent); color: var(--accent-light); box-shadow: 0 0 8px color-mix(in srgb, var(--accent) 10%, transparent); }
    100% { border-color: color-mix(in srgb, var(--accent) 35%, transparent); color: var(--accent-light); box-shadow: 0 0 6px color-mix(in srgb, var(--accent) 6%, transparent); }
}

/* Key-Station (Nr. 3): 2px Border, stärkerer Flash */
.ab-station--key {
    border-color: color-mix(in srgb, var(--accent) 25%, transparent);
    border-width: 2px;
}
#ablauf.ab-rail-active .ab-station--key {
    animation: abStationFlashKey 750ms ease-out var(--ab-sd, 0s) 1 forwards;
}
@keyframes abStationFlashKey {
    0%   { border-color: color-mix(in srgb, var(--accent) 15%, transparent); color: color-mix(in srgb, var(--text) 35%, transparent); box-shadow: none; }
    10%  { border-color: var(--accent); color: var(--text); box-shadow: 0 0 14px color-mix(in srgb, var(--accent) 22%, transparent); }
    35%  { border-color: color-mix(in srgb, var(--accent) 60%, transparent); color: var(--accent-light); box-shadow: 0 0 10px color-mix(in srgb, var(--accent) 12%, transparent); }
    100% { border-color: color-mix(in srgb, var(--accent) 45%, transparent); color: var(--accent-light); box-shadow: 0 0 8px color-mix(in srgb, var(--accent) 8%, transparent); }
}

/* ─── Step Cards Grid ─── */
.ab-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3.5rem;
    max-width: 1200px;
    margin: 0 auto;
}
@media (min-width: 640px) {
    .ab-grid { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
}
@media (min-width: 1024px) {
    .ab-grid { grid-template-columns: repeat(4, 1fr); gap: 2rem; }
}

.ab-step {
    position: relative;
    isolation: isolate;
    border: 1px solid rgba(240, 232, 217, 0.06);
    border-radius: 12px;
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    box-shadow: var(--depth-rest);
    transition: opacity 0.4s ease;
}

/* Glass-Highlight Layer — wie Tiles/Form-Wrapper */
.ab-step::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--glass-highlight);
    pointer-events: none;
    z-index: 1;
    border-radius: inherit;
}

/* Content über Glass-Layer heben (Direct-Children Pattern) */
.ab-step > * {
    position: relative;
    z-index: 2;
}

.ab-step--key {
    border-color: color-mix(in srgb, var(--accent) 25%, transparent);
    background: color-mix(in srgb, var(--accent) 4%, transparent);
}

/* Step Border-Glow beim Rail-Hit — Accent-Glow wird auf depth-rest gestapelt,
   End-State behält depth-rest damit Karte nach Animation nicht flach wird. */
#ablauf.ab-rail-active .ab-step:nth-child(1) { animation: abStepGlow 1.4s ease-out 1.0s 1 both; }
#ablauf.ab-rail-active .ab-step:nth-child(2) { animation: abStepGlow 1.4s ease-out 2.0s 1 both; }
#ablauf.ab-rail-active .ab-step:nth-child(3) { animation: abStepGlow 1.4s ease-out 3.0s 1 both; }
#ablauf.ab-rail-active .ab-step:nth-child(4) { animation: abStepGlowHold 2s ease-out 4.0s 1 both; }

@keyframes abStepGlow {
    0%   { border-color: color-mix(in srgb, var(--accent) 25%, transparent); box-shadow: 0 0 14px color-mix(in srgb, var(--accent) 6%, transparent), var(--depth-rest); }
    100% { border-color: rgba(240, 232, 217, 0.06); box-shadow: var(--depth-rest); }
}
@keyframes abStepGlowHold {
    0%   { border-color: color-mix(in srgb, var(--accent) 25%, transparent); box-shadow: 0 0 14px color-mix(in srgb, var(--accent) 6%, transparent), var(--depth-rest); }
    100% { border-color: color-mix(in srgb, var(--accent) 22%, transparent); box-shadow: 0 0 16px color-mix(in srgb, var(--accent) 6%, transparent), var(--depth-rest); }
}

.ab-step-title {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 400;
    line-height: 1.25;
    letter-spacing: -0.01em;
    color: var(--text);
    margin-bottom: 0.75rem;
}
.ab-step-desc {
    font-size: 15px;
    color: color-mix(in srgb, var(--text) 80%, transparent);
    line-height: 1.65;
    max-width: 280px;
    flex: 1;
    margin-bottom: 1.25rem;
}
.ab-micro {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 300;
    color: var(--text-body);
    letter-spacing: 0.02em;
}

/* ─── Mobile Scroll-Driven Rail Fill (< 1024px) ─── */
.ab-mobile-rail-fill {
    display: none;
    position: absolute;
    left: 0;
    top: 0;
    width: 1px;
    height: 0;
    background: linear-gradient(to bottom,
                    color-mix(in srgb, var(--accent) 50%, transparent) 0%,
                    color-mix(in srgb, var(--accent) 70%, transparent) 60%,
                    var(--accent) 100%);
    box-shadow: 0 0 8px color-mix(in srgb, var(--accent) 15%, transparent);
    z-index: 1;
    transition: height 0.15s ease-out;
    pointer-events: none;
}

/* ─── Mobile Stepper Layout (< 768px) ─── */
@media (max-width: 767px) {
    .ab-mobile-rail-fill { display: block; }

    .ab-grid {
        gap: 0;
        position: relative;
        padding-left: 48px;
        counter-reset: step-counter;
    }
    .ab-grid::before {
        content: '';
        position: absolute;
        left: 15px;
        top: 32px;
        height: var(--rail-height, calc(100% - 64px));
        width: 1px;
        background: color-mix(in srgb, var(--accent) 20%, transparent);
        z-index: 0;
    }

    .ab-step {
        counter-increment: step-counter;
        position: relative;
        border: none;
        border-radius: 0;
        padding: 20px 16px 32px 16px;
        border-bottom: 1px solid color-mix(in srgb, var(--text) 6%, transparent);
        opacity: 0;
        transform: translateY(16px);
        transition: opacity 0.5s ease, transform 0.5s ease;
    }
    .ab-step.step-visible {
        opacity: 1;
        transform: translateY(0);
    }
    .ab-step:last-child { padding-bottom: 0; }

    /* Numbered bubble links */
    .ab-step::before {
        content: "0" counter(step-counter);
        position: absolute;
        left: -48px;
        top: 24px;
        width: 32px;
        height: 32px;
        border-radius: 50%;
        background: var(--bg);
        border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 11px;
        font-weight: 500;
        color: color-mix(in srgb, var(--accent) 60%, transparent);
        letter-spacing: 0.03em;
        z-index: 2;
    }
    .ab-step.rail-reached::before {
        border-color: color-mix(in srgb, var(--accent) 50%, transparent);
        color: var(--accent-light);
        box-shadow: 0 0 10px color-mix(in srgb, var(--accent) 12%, transparent);
        transition: border-color 0.5s ease, color 0.5s ease, box-shadow 0.5s ease;
    }
    .ab-step--key::before {
        border-color: color-mix(in srgb, var(--accent) 45%, transparent);
        color: var(--accent-light);
        box-shadow: 0 0 12px color-mix(in srgb, var(--accent) 10%, transparent);
    }

    /* Desktop-Reveals auf Mobile force-off */
    #ablauf .ab-reveal-el,
    #ablauf .ab-fog {
        opacity: 1 !important;
        transform: none !important;
        filter: none !important;
        transition: none !important;
    }
    .ab-rail { display: none !important; }
}

/* ─── Reduced Motion ─── */
@media (prefers-reduced-motion: reduce) {
    #ablauf .ab-reveal-el,
    #ablauf .ab-fog {
        opacity: 1 !important;
        transform: none !important;
        filter: none !important;
        transition: none !important;
    }
    #ablauf .ab-rail::after,
    #ablauf .ab-station {
        animation: none !important;
    }
    #ablauf .ab-rail::after { width: 100%; }
}