/* =============================================================
   heatster hub — main.css
   Vollständiges Styling für den One-Pager
   ============================================================= */

/* =====================================================
   LAYOUT UTILITIES
   ===================================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: clamp(1rem, 4vw, 2.5rem);
    padding-right: clamp(1rem, 4vw, 2.5rem);
}

.container--wide {
    max-width: var(--container-wide);
}

.d-none-mobile {
    display: none;
}

@media (min-width: 768px) {
    .d-none-mobile {
        display: inline;
    }
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    transition: all var(--dur-base) var(--ease-out);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.05);
    opacity: 0;
    transition: opacity var(--dur-fast) ease;
}

.btn:hover::before { opacity: 1; }

.btn--primary {
    background: var(--color-accent);
    color: #fff;
}

.btn--primary:hover {
    background: #d96320;
    transform: translateY(-1px);
}

.btn--primary svg {
    transition: transform var(--dur-fast) var(--ease-out);
}

.btn--primary:hover svg {
    transform: translateX(3px);
}

.btn--ghost {
    border: 1px solid var(--color-border);
    color: var(--color-text);
    background: transparent;
}

.btn--ghost:hover {
    border-color: rgba(240, 237, 232, 0.3);
    background: rgba(240, 237, 232, 0.05);
}

.btn--large {
    padding: 1rem 2rem;
    font-size: var(--font-size-base);
}

/* =====================================================
   BADGES
   ===================================================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    font-size: var(--font-size-xs);
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.badge--accent {
    background: var(--color-accent);
    color: #fff;
}

/* =====================================================
   SECTION SHARED STYLES
   ===================================================== */
.section {
    position: relative;
    padding-top: var(--space-xl);
    padding-bottom: var(--space-xl);
}

.section-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.section-label--light {
    color: rgba(240, 237, 232, 0.7);
}

.section-headline {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--color-text);
    margin-bottom: 1.5rem;
}

.section-headline--center {
    text-align: center;
}

.section-subline {
    font-size: 1rem;
    color: var(--color-muted);
    line-height: 1.75;
    max-width: 56ch;
    text-align: center;
}

.section-intro {
    margin-bottom: var(--space-lg);
}

.section-intro--center {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

/* =====================================================
   SCROLL ANIMATIONS
   ===================================================== */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 0;
    transition-property: opacity, transform;
    transition-duration: var(--dur-xslow);
    transition-timing-function: var(--ease-out);
}

.reveal-up {
    transform: translateY(40px);
}

.reveal-left {
    transform: translateX(-50px);
}

.reveal-right {
    transform: translateX(50px);
}

.reveal-up.is-visible,
.reveal-left.is-visible,
.reveal-right.is-visible {
    opacity: 1;
    transform: translate(0);
}

[data-delay="1"] { transition-delay: 0.1s; }
[data-delay="2"] { transition-delay: 0.2s; }
[data-delay="3"] { transition-delay: 0.35s; }
[data-delay="4"] { transition-delay: 0.5s; }
[data-delay="5"] { transition-delay: 0.65s; }
[data-delay="6"] { transition-delay: 0.8s; }

/* =====================================================
   SITE HEADER
   ===================================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: auto;
    background: #ffffff;
    border-bottom: 1px solid rgba(0,0,0,0.08);
    box-shadow: 0 2px 16px rgba(0,0,0,0.08);
    transition: box-shadow var(--dur-base) var(--ease-out);
    overflow: visible;
}

.site-header.is-scrolled {
    box-shadow: 0 2px 24px rgba(0,0,0,0.12);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding-top: 0.65rem;
    padding-bottom: 0.65rem;
    overflow: visible;
    transition: padding 0.4s ease;
}

/* Logo — groß initial, kleiner beim Scrollen */
.site-header__logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    text-decoration: none;
    position: relative;
}

/* ── Logo Wrapper ─────────────────────────────────────────────── */
.site-header__logo-wrapper {
    position: relative;
    display: inline-flex;
    align-items: center;
    height: 84px;
    overflow: hidden;
    transition: height 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Claim-Logo: im normalen Flow → gibt dem Wrapper seine Breite */
.site-header__logo-claim {
    display: block;
    height: 84px;
    max-height: 84px;
    width: auto;
    opacity: 1;
    flex-shrink: 0;
    transition: opacity 0.35s ease;
}

/* No-Claim-Logo: absolut überlagert, zentriert */
.site-header__logo-noclaim {
    display: block;
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    height: 44px;
    width: auto;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
}

/* Scrolled: Wrapper schrumpft, Logos kreuzen auf */
.site-header.is-scrolled .site-header__inner {
    padding-top: 0.4rem;
    padding-bottom: 0.4rem;
}
.site-header.is-scrolled .site-header__logo-wrapper {
    height: 44px;
}
.site-header.is-scrolled .site-header__logo-claim {
    opacity: 0;
    pointer-events: none;
}
.site-header.is-scrolled .site-header__logo-noclaim {
    opacity: 1;
    pointer-events: auto;
}


.site-header__logo-text {
    font-size: var(--font-size-xl);
    font-weight: 900;
    letter-spacing: -0.03em;
    color: #1a1a18;
}

/* Navigation — dunkle Schrift auf weißem Header */
.site-nav {
    display: none;
}

.site-nav__list {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.site-nav__list a {
    display: inline-block;
    padding: 0.5rem 0.875rem;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: rgba(26, 26, 24, 0.7);
    border-radius: var(--radius-sm);
    transition: color var(--dur-fast) ease, background-color var(--dur-fast) ease;
    letter-spacing: 0.01em;
}

.site-nav__list a:hover {
    color: #1a1a18;
    background-color: rgba(26, 26, 24, 0.05);
}

.site-nav__list a.site-nav__cta {
    background: var(--color-accent);
    color: #fff;
    font-weight: 600;
    padding: 0.5rem 1.25rem;
    margin-left: 0.75rem;
}

.site-nav__list a.site-nav__cta:hover {
    background: #d96320;
    color: #fff;
}

@media (min-width: 1024px) {
    .site-nav {
        display: block;
    }
    .site-header__burger {
        display: none;
    }
}

/* Burger — dunkle Farbe auf weißem Header */
.site-header__burger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.site-header__burger span {
    display: block;
    width: 24px;
    height: 2px;
    background: #1a1a18;
    border-radius: 2px;
    transition: all var(--dur-base) var(--ease-out);
    transform-origin: center;
}

.site-header__burger.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.site-header__burger.is-open span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.site-header__burger.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav */
.mobile-nav {
    position: fixed;
    inset: 0;
    background: var(--color-bg);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--dur-base) var(--ease-out);
}

.mobile-nav.is-open {
    opacity: 1;
    pointer-events: all;
}

.mobile-nav__list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
}

.mobile-nav__link {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
    padding: 0.5rem 1rem;
    transition: color var(--dur-fast) ease;
}

.mobile-nav__link:hover,
.mobile-nav__cta {
    color: var(--color-accent);
}

/* =====================================================
   AI GENERATED BADGE / PILL (Benchmark stuntt.netlify.app)
   ===================================================== */
.ai-pill {
    position: absolute;
    top: 0.65rem;
    left: 0.65rem;
    z-index: 25;
    pointer-events: none;
    user-select: none;
    -webkit-user-select: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 15px;
    padding: 0 6px;
    background: rgba(26, 26, 24, 0.85);
    color: #f0ede8;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 7.5px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    border-radius: 9999px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(240, 237, 232, 0.2);
    line-height: 1;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    transform: translateY(-2px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.ai-pill.is-visible {
    opacity: 0.92;
    transform: translateY(0);
}

.ai-pill.is-faded {
    opacity: 0;
    transform: translateY(-2px);
}

/* Re-reveal subtil on hover */
*:hover > .ai-pill,
*:hover > * > .ai-pill {
    opacity: 0.85;
    transform: translateY(0);
    transition-duration: 0.25s;
}

/* =====================================================
   SECTION 1: HERO
   ===================================================== */
.section--hero {
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding-top: 130px;
    padding-bottom: 2.5rem;
    box-sizing: border-box;
    overflow: hidden;
    position: relative;
}

.hero__bg-wrap {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero__bg-img {
    position: absolute;
    inset: -10%;
    background-size: cover;
    background-position: center;
    will-change: transform;
}

/* Helleres Overlay — Bild bleibt sichtbar, Text links noch lesbar */
.hero__bg-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        105deg,
        rgba(26, 26, 24, 0.72) 0%,
        rgba(26, 26, 24, 0.45) 50%,
        rgba(26, 26, 24, 0.15) 100%
    );
}

/* Lamellen decorative element */
.hero__lamellen {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    display: flex;
    flex-direction: column;
    opacity: 0.15;
}

.hero__lamelle {
    flex: 1;
    background: var(--color-text);
    margin-bottom: 2px;
}

.hero__content {
    position: relative;
    z-index: 10;
    margin-top: auto;
    padding-top: 1.5rem;
    padding-bottom: 0;
    width: 100%;
}

@media (min-width: 1024px) and (max-height: 850px) {
    .site-header__inner {
        padding-top: 0.5rem;
        padding-bottom: 0.5rem;
    }
    .site-header__logo-wrapper {
        height: 74px;
    }
    .site-header__logo-claim {
        height: 74px;
        max-height: 74px;
    }
    .section--hero {
        padding-top: 105px;
        padding-bottom: 1.75rem;
    }
    .hero__headline {
        font-size: clamp(2.8rem, 5.5vw, 4.8rem) !important;
        margin-bottom: 0.75rem !important;
    }
    .hero__actions {
        margin-top: 1.25rem !important;
        margin-bottom: 2rem !important;
    }
    .hero__metrics {
        padding: 0.85rem 1.75rem !important;
    }
}

.hero__eyebrow {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: rgba(240, 237, 232, 0.7);
    letter-spacing: 0.05em;
}

.hero__headline {
    font-size: var(--font-size-hero);
    font-weight: 900;
    line-height: 1.0;
    letter-spacing: -0.03em;
    color: var(--color-text);
    margin-bottom: 1.5rem;
    max-width: 10ch;
}

.hero__subline {
    font-size: clamp(var(--font-size-base), 1.5vw, var(--font-size-xl));
    color: rgba(240, 237, 232, 0.75);
    line-height: 1.7;
    margin-bottom: 2.5rem;
    max-width: 55ch;
    font-weight: 300;
}

.hero__actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

/* Hero Metrics */
.hero__metrics {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    padding: 1.5rem 0;
    border-top: 1px solid var(--color-border);
}

.hero__metric {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

/* Zahl + Einheit in einer Zeile */
.hero__metric-value-row {
    display: flex;
    align-items: baseline;
    gap: 0.3rem;
    line-height: 1;
}

.hero__metric-value {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.03em;
    color: var(--color-text);
}

.hero__metric-unit {
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    font-weight: 700;
    color: var(--color-accent);
    letter-spacing: 0;
    line-height: 1;
    /* direkt neben der Zahl, leicht nach unten versetzt */
    align-self: flex-end;
    margin-bottom: 0.2rem;
}

.hero__metric-label {
    font-size: var(--font-size-xs);
    color: rgba(255,255,255,0.9);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-top: 0.15rem;
    font-weight: 500;
}

.hero__metric-divider {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.2);
    flex-shrink: 0;
}

/* Scroll Indicator */
.hero__scroll-indicator {
    position: absolute;
    bottom: 2rem;
    right: 2.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    z-index: 1;
    animation: scroll-bounce 2s infinite;
}

.hero__scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
}

.hero__scroll-indicator span {
    font-size: var(--font-size-xs);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-muted);
    writing-mode: vertical-rl;
    transform: rotate(180deg);
}

@keyframes scroll-bounce {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(6px); }
}

/* =====================================================
   SECTION 2: PRODUKT INTRO
   ===================================================== */
.section--intro {
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
}

.intro__layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    align-items: center;
}

@media (min-width: 1024px) {
    .intro__layout {
        grid-template-columns: 1.1fr 0.9fr;
    }
}

/* Product image with annotations */
.intro__image-wrap {
    position: relative;
}

.intro__image-frame {
    position: relative;
    border-radius: var(--radius-md);
    overflow: visible;
    background: var(--color-anthrazit);
}

.intro__image {
    width: 100%;
    border-radius: var(--radius-md);
    display: block;
}

.product-annotation {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: default;
}

.product-annotation__dot {
    display: block;
    width: 10px;
    height: 10px;
    background: var(--color-accent);
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 0 4px rgba(237, 113, 41, 0.25);
    animation: pulse-dot 2s infinite;
}

.product-annotation__label {
    background: rgba(26, 26, 24, 0.85);
    backdrop-filter: blur(8px);
    border: 1px solid var(--color-border);
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    color: var(--color-text);
    white-space: nowrap;
    opacity: 0;
    transform: translateX(-6px);
    transition: all var(--dur-fast) var(--ease-out);
}

.product-annotation:hover .product-annotation__label {
    opacity: 1;
    transform: translateX(0);
}

@keyframes pulse-dot {
    0%, 100% { box-shadow: 0 0 0 3px rgba(237, 113, 41, 0.25); }
    50%       { box-shadow: 0 0 0 8px rgba(237, 113, 41, 0.1); }
}

/* Intro Text */
.intro__lead {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: rgba(240, 237, 232, 0.85);
    margin-bottom: 2rem;
}

.intro__features-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.intro__feature {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.intro__feature-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(237, 113, 41, 0.1);
    border: 1px solid rgba(237, 113, 41, 0.2);
    border-radius: var(--radius-sm);
    color: var(--color-accent);
}

.intro__feature strong {
    display: block;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.2rem;
}

.intro__feature span {
    font-size: var(--font-size-sm);
    color: var(--color-muted);
    line-height: 1.6;
}

/* =====================================================
   SECTION 3: TECHNOLOGIE
   ===================================================== */
.section--tech {
    background: var(--color-bg);
    overflow: hidden;
}

.tech__bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: var(--color-surface);
    clip-path: polygon(10% 0, 100% 0, 100% 100%, 0% 100%);
    opacity: 0.5;
}

.tech__layout {
    position: relative;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    align-items: center;
}

@media (min-width: 1024px) {
    .tech__layout {
        grid-template-columns: 1fr 1fr;
    }
}

.tech__lead {
    font-size: var(--font-size-lg);
    color: rgba(240, 237, 232, 0.75);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.tech__specs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-border);
}

.tech__spec {
    background: var(--color-surface);
    padding: 1rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.tech__spec dt {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-muted);
    font-weight: 500;
}

.tech__spec dd {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
}

.tech__image-wrap {
    position: relative;
}

.tech__image-frame {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
}

.tech__image {
    width: 100%;
    display: block;
}

.tech__image-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem;
    background: linear-gradient(to top, rgba(26, 26, 24, 0.9), transparent);
    font-size: var(--font-size-xs);
    color: var(--color-muted);
    text-align: center;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* =====================================================
   SECTION 4: SKALIERBARKEIT
   ===================================================== */
.section--scale {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.scale__overview {
    margin-bottom: var(--space-lg);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-surface-2);
}

.scale__overview-img {
    width: 100%;
    display: block;
}

/* Config Cards */
.scale__cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: var(--space-lg);
}

@media (min-width: 640px) {
    .scale__cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.config-card {
    position: relative;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: border-color var(--dur-base) ease, transform var(--dur-base) var(--ease-out);
}

.config-card:hover {
    border-color: rgba(237, 113, 41, 0.3);
    transform: translateY(-4px);
}

.config-card--featured {
    border-color: rgba(237, 113, 41, 0.4);
    background: linear-gradient(135deg, var(--color-surface-2) 0%, rgba(237, 113, 41, 0.05) 100%);
}

.config-card__popular {
    position: absolute;
    top: -1px;
    right: 1.5rem;
    background: var(--color-accent);
    color: #fff;
    font-size: var(--font-size-xs);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.25rem 0.75rem;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}

.config-card__badge {
    font-size: var(--font-size-xs);
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-muted);
}

.config-card__value {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
    line-height: 1;
}

.config-card__number {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    color: var(--color-text);
}

.config-card--featured .config-card__number {
    color: var(--color-accent);
}

.config-card__unit {
    font-size: var(--font-size-xl);
    font-weight: 300;
    color: var(--color-muted);
}

.config-card__length {
    font-size: var(--font-size-sm);
    color: var(--color-muted);
    padding-top: 0.5rem;
    border-top: 1px solid var(--color-border);
}

.config-card__details {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
}

.config-card__details li {
    font-size: var(--font-size-sm);
    color: rgba(240, 237, 232, 0.7);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.config-card__details li::before {
    content: '';
    display: block;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--color-accent);
    flex-shrink: 0;
}

.config-card__cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem;
    background: var(--color-border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
    transition: background var(--dur-fast) ease;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.config-card__cta:hover,
.config-card--featured .config-card__cta {
    background: var(--color-accent);
    color: #fff;
}

.scale__visual {
    border-radius: var(--radius-md);
    overflow: hidden;
}

.scale__visual-img {
    width: 100%;
    display: block;
}

/* =====================================================
   SECTION 5: EINSATZBEREICHE
   ===================================================== */
.section--use {
    background: var(--color-bg);
    overflow: hidden;
}

.use__bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(237, 113, 41, 0.04) 0%, transparent 70%);
    pointer-events: none;
}

.use__cases {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.use-case {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: center;
}

@media (min-width: 1024px) {
    .use-case {
        grid-template-columns: 1.2fr 0.8fr;
    }
    .use-case--reverse {
        grid-template-columns: 0.8fr 1.2fr;
    }
    .use-case--reverse .use-case__image-wrap {
        order: 2;
    }
    .use-case--reverse .use-case__content {
        order: 1;
    }
}

.use-case__image-wrap {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 16 / 10;
}

.use-case__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--dur-slow) var(--ease-out);
}

.use-case__image-wrap:hover .use-case__image {
    transform: scale(1.04);
}

.use-case__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26, 26, 24, 0.3) 0%, transparent 60%);
    pointer-events: none;
}

.use-case__content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.use-case__icon {
    display: flex;
    width: 52px;
    height: 52px;
    align-items: center;
    justify-content: center;
    background: rgba(237, 113, 41, 0.1);
    border: 1px solid rgba(237, 113, 41, 0.25);
    border-radius: var(--radius-md);
    color: var(--color-accent);
}

.use-case__title {
    font-size: clamp(var(--font-size-2xl), 3vw, var(--font-size-4xl));
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--color-text);
    line-height: 1.1;
}

.use-case__text {
    font-size: var(--font-size-base);
    color: rgba(240, 237, 232, 0.7);
    line-height: 1.8;
}

.use-case__facts {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--color-border);
}

.use-case__facts li {
    font-size: var(--font-size-sm);
    color: rgba(240, 237, 232, 0.6);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.use-case__facts li::before {
    content: '';
    display: block;
    width: 6px;
    height: 2px;
    background: var(--color-accent);
    border-radius: 1px;
    flex-shrink: 0;
}

/* =====================================================
   SECTION 6: FEATURES
   ===================================================== */
.section--features {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
}

.features__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1px;
    background: var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

@media (min-width: 640px) {
    .features__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.feature-card {
    background: var(--color-surface);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: background-color var(--dur-base) ease;
}

.feature-card:hover {
    background: var(--color-surface-2);
}

.feature-card__icon {
    display: flex;
    width: 52px;
    height: 52px;
    align-items: center;
    justify-content: center;
    background: rgba(240, 237, 232, 0.05);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    transition: all var(--dur-base) ease;
}

.feature-card__icon--gold {
    background: rgba(249, 183, 39, 0.1);
    border-color: rgba(249, 183, 39, 0.2);
    color: var(--color-gold);
}

.feature-card:hover .feature-card__icon {
    background: rgba(237, 113, 41, 0.1);
    border-color: rgba(237, 113, 41, 0.25);
    color: var(--color-accent);
}

.feature-card__title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.01em;
}

.feature-card__text {
    font-size: var(--font-size-sm);
    color: var(--color-muted);
    line-height: 1.7;
}

/* =====================================================
   SECTION 7: GALLERY
   ===================================================== */
.section--gallery {
    background: var(--color-bg);
    overflow: hidden;
}

.gallery__track-wrap {
    position: relative;
    margin-top: var(--space-lg);
}

.gallery__track {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 0 clamp(1rem, 4vw, 2.5rem);
    padding-bottom: 1rem;
}

.gallery__track::-webkit-scrollbar {
    display: none;
}

.gallery__item {
    flex: 0 0 clamp(280px, 35vw, 480px);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    background: var(--color-surface);
    cursor: grab;
    transition: transform var(--dur-base) var(--ease-out);
}

.gallery__item:active {
    cursor: grabbing;
}

.gallery__item:hover {
    transform: scale(0.98);
}

.gallery__item img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    pointer-events: none;
    display: block;
}

.gallery__item-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem 1rem 1rem;
    background: linear-gradient(to top, rgba(26, 26, 24, 0.9), transparent);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: rgba(240, 237, 232, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.gallery__nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
    padding: 0 clamp(1rem, 4vw, 2.5rem);
}

.gallery__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text);
    transition: all var(--dur-fast) ease;
}

.gallery__btn:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

/* =====================================================
   SECTION 8: CONTACT
   ===================================================== */
.section--contact {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    padding-top: var(--space-xl);
    padding-bottom: var(--space-xl);
}

.contact__bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.contact__bg-img {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.2;
}

.contact__bg-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(26, 26, 24, 0.97) 0%,
        rgba(26, 26, 24, 0.85) 50%,
        rgba(26, 26, 24, 0.92) 100%
    );
}

.contact__layout {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    align-items: center;
}

@media (min-width: 1024px) {
    .contact__layout {
        grid-template-columns: 1fr 1fr;
    }
}

.contact__subline {
    font-size: var(--font-size-lg);
    color: rgba(240, 237, 232, 0.65);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.contact__highlights {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.contact__highlight {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: var(--font-size-sm);
    color: rgba(240, 237, 232, 0.75);
}

.contact__highlight svg {
    color: var(--color-accent);
    flex-shrink: 0;
}

/* Contact Form */
.contact__form-wrap {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}

/* Contact Form Styling */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contact-form__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

@media (min-width: 640px) {
    .contact-form__grid {
        grid-template-columns: 1fr 1fr;
    }
}

.contact-form__field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.contact-form__field--full {
    grid-column: 1 / -1;
}

.contact-form__field label {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.contact-form__field input,
.contact-form__field textarea {
    width: 100%;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    font-size: var(--font-size-base);
    font-family: var(--font-sans);
    color: var(--color-text);
    outline: none;
    transition: border-color var(--dur-fast) ease, box-shadow var(--dur-fast) ease;
    -webkit-appearance: none;
    appearance: none;
}

.contact-form__field input::placeholder,
.contact-form__field textarea::placeholder {
    color: var(--color-muted);
    opacity: 0.6;
}

.contact-form__field input:focus,
.contact-form__field textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(237, 113, 41, 0.12);
}

.contact-form__field textarea {
    resize: vertical;
    min-height: 120px;
}

/* Success state */
.contact__success {
    text-align: center;
    padding: 3rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.contact__success svg {
    color: var(--color-accent);
}

.contact__success h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
}

.contact__success p {
    color: var(--color-muted);
    font-size: var(--font-size-base);
}

/* =====================================================
   SITE FOOTER
   ===================================================== */
.site-footer {
    position: relative;
    background: #fff;
    border-top: 1px solid rgba(26,26,24,0.1);
    overflow: hidden;
}

.site-footer__inner {
    padding-top: var(--space-lg);
    padding-bottom: var(--space-md);
}

.site-footer__top {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-md);
}

@media (min-width: 768px) {
    .site-footer__top {
        grid-template-columns: auto 1fr;
    }
}

.site-footer__brand {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.site-footer__brand svg,
.site-footer__brand img {
    width: 300px;
    height: auto;
}

.footer-logo-text {
    font-size: var(--font-size-2xl);
    font-weight: 900;
    color: #1a1a18;
}

.site-footer__nav {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 2rem;
}

.site-footer__nav-title {
    font-size: var(--font-size-xs);
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(26,26,24,0.45);
    margin-bottom: 0.75rem;
}

.site-footer__nav li {
    margin-bottom: 0.4rem;
}

.site-footer__nav a {
    font-size: var(--font-size-sm);
    color: rgba(26,26,24,0.65);
    transition: color var(--dur-fast) ease;
}

.site-footer__nav a:hover {
    color: #1a1a18;
}

.site-footer__bottom {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding-top: var(--space-md);
    border-top: 1px solid rgba(26,26,24,0.1);
}

@media (min-width: 640px) {
    .site-footer__bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.site-footer__copy {
    font-size: var(--font-size-xs);
    color: rgba(26,26,24,0.45);
}

.site-footer__legal {
    display: flex;
    gap: 1.5rem;
}

.site-footer__legal a {
    font-size: var(--font-size-xs);
    color: rgba(26,26,24,0.45);
    transition: color var(--dur-fast) ease;
}

.site-footer__legal a:hover {
    color: #1a1a18;
}

/* Footer decorative */
.site-footer__deco {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--color-accent), transparent, var(--color-gold), transparent);
    opacity: 0.4;
}

/* =====================================================
   FALLBACK MAIN
   ===================================================== */
.fallback-main {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
}

/* =====================================================
   RESPONSIVE ADJUSTMENTS & MOBILE POLISH
   ===================================================== */
html, body {
    overflow-x: hidden;
    max-width: 100vw;
    width: 100%;
    position: relative;
}

.site-main {
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
}

@media (max-width: 1023px) {
    :root {
        --header-height: 96px;
    }

    .site-header {
        height: auto !important;
        background: #ffffff !important;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .site-header__inner {
        padding-top: 0.75rem !important;
        padding-bottom: 0.75rem !important;
        transition: padding 0.4s ease;
    }

    .site-header__logo-wrapper {
        height: 80px !important;
        overflow: hidden !important;
        transition: height 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
    }

    .site-header__logo-claim {
        height: 80px !important;
        width: auto !important;
        max-height: 80px !important;
        opacity: 1 !important;
        display: block !important;
        transition: opacity 0.35s ease !important;
    }

    .site-header__logo-noclaim {
        display: block !important;
        position: absolute !important;
        top: 50% !important;
        left: 0 !important;
        transform: translateY(-50%) !important;
        height: 42px !important;
        width: auto !important;
        opacity: 0 !important;
        pointer-events: none !important;
        transition: opacity 0.35s ease !important;
    }

    /* Scrolled state: Header schrumpft geschmeidig, Claim verschwindet */
    .site-header.is-scrolled .site-header__inner {
        padding-top: 0.45rem !important;
        padding-bottom: 0.45rem !important;
    }

    .site-header.is-scrolled .site-header__logo-wrapper {
        height: 42px !important;
    }

    .site-header.is-scrolled .site-header__logo-claim {
        opacity: 0 !important;
        pointer-events: none !important;
    }

    .site-header.is-scrolled .site-header__logo-noclaim {
        opacity: 1 !important;
        pointer-events: auto !important;
    }

    .section {
        scroll-margin-top: 80px;
    }
}

.mobile-nav {
    position: fixed;
    inset: 0;
    background: #1a1a18;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    padding: 2rem 1.5rem;
}

.mobile-nav.is-open {
    opacity: 1;
    pointer-events: all;
}

.mobile-nav__close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    background: transparent;
    border: none;
    color: #ffffff;
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-nav__list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    text-align: center;
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-nav__link {
    display: inline-block;
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -0.02em;
    padding: 0.5rem 1rem;
    text-decoration: none;
    transition: color 0.2s ease;
}

.mobile-nav__link:hover,
.mobile-nav__link:focus {
    color: var(--color-accent);
}

.mobile-nav__cta {
    background: var(--color-accent) !important;
    color: #ffffff !important;
    border-radius: 9999px;
    padding: 0.85rem 2rem !important;
    margin-top: 0.75rem;
}

.problemloeser-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.problemloeser-graphic-wrap {
    position: sticky;
    top: 120px;
}

.modular-addon-item {
    display: grid;
    grid-template-columns: 140px 1fr;
    align-items: center;
    gap: 0;
    padding: 1.5rem 2rem;
    transition: background .25s ease;
}

.montage-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.montage-timeline-item {
    display: grid;
    grid-template-columns: 70px 1fr;
    gap: 1.5rem;
    align-items: stretch;
}

.montage-circle {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

@media (max-width: 991px) {
    .problemloeser-grid {
        grid-template-columns: 1fr !important;
        gap: 2.5rem !important;
    }

    .problemloeser-graphic-wrap {
        position: static !important;
        top: auto !important;
        max-width: 520px;
        margin: 0 auto;
    }

    .montage-grid {
        grid-template-columns: 1fr !important;
        gap: 2.5rem !important;
    }
}

@media (max-width: 767px) {
    :root {
        --space-xl:  2.5rem;
        --space-2xl: 4rem;
    }

    .container {
        padding-left: 1.25rem !important;
        padding-right: 1.25rem !important;
    }

    .section--hero {
        min-height: 100svh !important;
        min-height: 100vh !important;
        display: flex !important;
        flex-direction: column !important;
        justify-content: flex-end !important;
        padding-top: 130px !important;
        padding-bottom: 2rem !important;
        box-sizing: border-box !important;
    }

    .hero__content {
        margin-top: auto !important;
        padding-top: 1rem !important;
        padding-bottom: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
    }

    .hero__headline {
        font-size: clamp(2.6rem, 11vw, 4.2rem) !important;
        margin-bottom: 0.75rem !important;
        line-height: 1.05 !important;
    }

    .hero__actions {
        margin-top: 1.5rem !important;
        margin-bottom: 1.75rem !important;
        flex-direction: column !important;
        gap: 0.75rem !important;
        width: 100% !important;
    }

    .hero__actions .btn {
        width: 100% !important;
        justify-content: center !important;
        padding: 0.85rem 1.5rem !important;
    }

    .hero__metrics {
        display: grid !important;
        grid-template-columns: 1.15fr 0.9fr 1.15fr !important;
        gap: 0.35rem !important;
        padding: 0.85rem 0.5rem !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        text-align: center;
        justify-items: center;
        overflow: hidden;
    }

    .hero__metric {
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
        min-width: 0;
    }

    .hero__metric-value-row {
        display: flex;
        align-items: baseline;
        justify-content: center;
        gap: 0.2rem;
        flex-wrap: nowrap;
    }

    .hero__metric-value {
        font-size: 0.975rem !important;
        font-weight: 800;
        white-space: nowrap;
    }

    .hero__metric-unit {
        font-size: 0.7rem !important;
        font-weight: 600;
        color: var(--color-accent);
    }

    .hero__metric-label {
        font-size: 0.575rem !important;
        line-height: 1.25 !important;
        word-break: normal !important;
        hyphens: auto !important;
        color: rgba(255,255,255,0.7) !important;
        margin-top: 0.25rem;
        max-width: 100%;
        text-transform: uppercase;
        letter-spacing: 0.04em;
    }

    .hero__metric-divider {
        display: none !important;
    }

    .hero__scroll-indicator {
        display: none !important;
    }

    .slider-arrow-btn {
        display: none !important;
    }

    .montage-timeline-item {
        grid-template-columns: 56px 1fr !important;
        gap: 1rem !important;
    }

    .montage-circle {
        width: 56px !important;
        height: 56px !important;
    }

    .montage-circle strong {
        font-size: 1.25rem !important;
    }

    .tech__bg {
        display: none !important;
    }

    .tech__specs {
        grid-template-columns: 1fr !important;
    }

    .contact__form-wrap {
        padding: 1.5rem 1.25rem !important;
        border-radius: var(--radius-lg) !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .site-footer__top {
        grid-template-columns: 1fr !important;
        gap: 2rem !important;
    }
}

@media (max-width: 640px) {
    .modular-addon-item {
        display: flex !important;
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 0.75rem !important;
        padding: 1.25rem 1.25rem !important;
    }

    .modular-addon-item > div:last-child {
        padding-left: 0 !important;
    }
}

/* =====================================================
   PRINT
   ===================================================== */
@media print {
    .site-header,
    .hero__scroll-indicator,
    .gallery__nav,
    .mobile-nav {
        display: none !important;
    }

    .section {
        break-inside: avoid;
    }
}