:root {
    --bg-base: #f3f3f3;
    --ink: #111111;
    --ink-soft: #3a3a3a;
    --line: #c9c9c9;
    --brand: #0d0d0d;
    --brand-contrast: #f6f6f6;
    --radius-xl: 26px;
    --radius-lg: 18px;
    --radius-md: 12px;
    --shadow-soft: 0 14px 36px rgba(0, 0, 0, 0.12);
    --container: min(1600px, calc(100vw - 2.4rem));
    --nav-h: 76px;
    --frame-gap: clamp(0.8rem, 1.6vw, 1.35rem);
    --overlay-bottom: rgba(0, 0, 0, 0.88);
    --overlay-mid: rgba(0, 0, 0, 0.56);
    --overlay-top: rgba(0, 0, 0, 0);
    --font-ui: "SF Pro Text", "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    --glass-fill: rgba(255, 255, 255, 0.14);
    --glass-fill-strong: rgba(255, 255, 255, 0.22);
    --glass-stroke: rgba(255, 255, 255, 0.26);
    --elev-soft: 0 18px 44px rgba(0, 0, 0, 0.2);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-snap-type: y proximity;
}

.panel {
    scroll-snap-align: start;
    scroll-snap-stop: normal;
}

@media (min-width: 861px) {
    html {
        scroll-snap-type: y mandatory;
    }

    .panel {
        scroll-snap-stop: always;
    }
}

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

body {
    margin: 0;
    font-family: var(--font-ui);
    color: var(--ink);
    background:
        radial-gradient(circle at 15% 15%, #ffffff, transparent 38%),
        radial-gradient(circle at 80% 20%, #f4f4f4, transparent 40%),
        linear-gradient(170deg, #ebebeb 0%, #f7f7f7 45%, #ededed 100%);
    min-height: 100vh;
    overflow-x: clip;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: auto;
}

.skip-link:focus {
    left: 1rem;
    top: 1rem;
    z-index: 2000;
    background: #fff;
    color: #000;
    padding: 0.5rem 0.8rem;
    border-radius: 8px;
}

.floating-nav {
    position: fixed;
    top: var(--frame-gap);
    left: 50%;
    transform: translateX(-50%);
    width: max-content;
    max-width: calc(100vw - 1rem);
    height: var(--nav-h);
    padding: 0.6rem 0.95rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    white-space: nowrap;
    background: rgba(12, 12, 12, 0.72);
    color: var(--brand-contrast);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(20px) saturate(1.2);
    box-shadow: var(--elev-soft);
    z-index: 1200;
}

.brand {
    color: inherit;
    text-decoration: none;
    font-family: var(--font-ui);
    font-weight: 700;
    letter-spacing: 0.01em;
    display: inline-flex;
    gap: 0.42rem;
    align-items: center;
    margin-right: 1rem;
}

.brand-logo {
    height: 24px;
    width: auto;
    display: block;
    filter: invert(1) grayscale(1) brightness(1.55);
}

.nav-links {
    display: flex;
    gap: 1.2rem;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.82);
    text-decoration: none;
    font-size: 0.95rem;
    padding: 0.42rem 0.72rem;
    border-radius: 999px;
    transition: background-color 220ms ease, color 220ms ease;
}

.nav-links a:hover,
.nav-links a.is-active {
    color: #fff;
    background: rgba(255, 255, 255, 0.13);
}

.nav-toggle {
    display: none;
    justify-self: end;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: transparent;
    color: #fff;
    border-radius: 9px;
    padding: 0.45rem 0.65rem;
    font: inherit;
}

.btn {
    appearance: none;
    border: 1px solid rgba(255, 255, 255, 0.24);
    border-radius: 999px;
    padding: 0.74rem 1.2rem;
    font-family: var(--font-ui);
    font-weight: 600;
    letter-spacing: 0.01em;
    line-height: 1;
    cursor: pointer;
    text-decoration: none;
    transition: transform 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: linear-gradient(180deg, #ffffff 0%, #e8e8e8 100%);
    color: #111;
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.8),
        0 10px 22px rgba(0, 0, 0, 0.24);
}

.btn-primary:hover {
    background: linear-gradient(180deg, #ffffff 0%, #ececec 100%);
}

.nav-cta {
    background: linear-gradient(180deg, #ffffff 0%, #ececec 100%);
    color: #111111;
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.8),
        0 8px 24px rgba(0, 0, 0, 0.26);
}

.nav-cta:hover {
    background: #ffffff;
    color: #111111;
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.14);
    color: #f6f6f6;
    border-color: rgba(255, 255, 255, 0.32);
    backdrop-filter: blur(8px);
}

.btn-ghost:hover {
    border-color: rgba(255, 255, 255, 0.46);
}

.page-sections {
    width: 100%;
    margin: 0;
    padding: 0;
}

.panel {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 100vh;
    height: 100dvh;
    min-height: 100dvh;
    padding: 0;
    scroll-margin-top: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.panel-inner {
    position: relative;
    width: min(1600px, calc(100% - (var(--frame-gap) * 2)));
    max-width: 1600px;
    height: calc(100vh - (var(--frame-gap) * 2));
    height: calc(100dvh - (var(--frame-gap) * 2));
    transform: none;
    min-height: 0;
    margin: 0 auto;
    border-radius: var(--radius-xl);
    background: linear-gradient(155deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.05));
    border: 1px solid rgba(255, 255, 255, 0.24);
    box-shadow:
        0 18px 42px rgba(0, 0, 0, 0.22),
        inset 0 1px 0 rgba(255, 255, 255, 0.28);
    padding: clamp(1.2rem, 3.8vw, 3rem);
    display: grid;
    align-content: end;
    gap: clamp(0.8rem, 1.8vw, 1.25rem);
    overflow: hidden;
}

.panel-inner::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        var(--overlay-bottom) 0%,
        rgba(0, 0, 0, 0.82) 22%,
        var(--overlay-mid) 40%,
        rgba(0, 0, 0, 0.32) 56%,
        rgba(0, 0, 0, 0.12) 67%,
        var(--overlay-top) 78%
    );
    z-index: 1;
    pointer-events: none;
}

.panel-media {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    pointer-events: none;
    z-index: 0;
    transform: scale(1.02);
    filter: saturate(0.92) contrast(1.04) brightness(0.94);
    transition: transform 700ms ease;
}

.panel-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
}

.panel-media-hero {
    background-image: url('media/images/sections/7_TECH.jpg');
    background-position: center center;
}

.panel-media-product {
    background-image: url('media/images/sections/3.jpg');
    background-position: center center;
}

.panel-media-platform {
    background-image: url('media/images/sections/cockpit-display.png');
    background-position: center center;
}

.panel-media-contact {
    background-image: url('media/images/sections/WALLPAPER_01.png');
    background-position: center center;
}

.panel-media-offer {
    background-image: url('media/images/sections/Wallpaper_STREET.png');
    background-position: center center;
}

.panel-media-gallery {
    background-image: url('media/images/sections/7.jpg');
    background-position: center center;
}

.panel-inner:hover .panel-media {
    transform: scale(1.04);
}

.panel-inner > *:not(.panel-media) {
    position: relative;
    z-index: 2;
}

.eyebrow {
    margin: 0;
    color: rgba(248, 248, 248, 0.92);
    font-size: 1.02rem;
}

h1,
h2,
h3 {
    margin: 0;
    font-family: var(--font-ui);
    letter-spacing: 0.01em;
}

.panel h1,
.panel h2,
.panel h3 {
    color: #f6f6f6;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

h1 {
    font-size: clamp(2rem, 6vw, 4.2rem);
    line-height: 0.98;
}

h2 {
    font-size: clamp(1.8rem, 5vw, 3.6rem);
    line-height: 1;
}

.lead {
    margin: 0;
    max-width: 72ch;
    color: rgba(251, 251, 251, 0.9);
    font-size: clamp(1rem, 2.1vw, 1.25rem);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.scroll-hint {
    margin-top: auto;
    display: none;
    align-items: center;
    gap: 0.7rem;
    color: rgba(246, 246, 246, 0.9);
    text-decoration: none;
    width: fit-content;
    font-size: 0.9rem;
}

.scroll-assist {
    position: fixed;
    top: calc(var(--frame-gap) + var(--nav-h) + 0.55rem);
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.46rem 0.72rem;
    border: 1px solid rgba(255, 255, 255, 0.26);
    border-radius: 999px;
    background: rgba(10, 10, 10, 0.74);
    color: rgba(245, 245, 245, 0.96);
    font-family: var(--font-ui);
    font-size: 0.84rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    z-index: 1190;
    opacity: 0;
    pointer-events: none;
    transition: opacity 260ms ease, transform 260ms ease;
}

.scroll-assist .mouse {
    width: 16px;
    height: 28px;
}

.scroll-assist.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.mouse {
    width: 18px;
    height: 32px;
    border: 1.5px solid rgba(250, 250, 250, 0.9);
    border-radius: 10px;
    position: relative;
}

.mouse::after {
    content: "";
    position: absolute;
    top: 5px;
    left: 50%;
    width: 2.5px;
    height: 7px;
    margin-left: -1.2px;
    border-radius: 4px;
    background: #f1f1f1;
    animation: wheel 1.5s ease-in-out infinite;
}

@keyframes wheel {
    0% { opacity: 1; transform: translateY(0); }
    70% { opacity: 0.3; transform: translateY(10px); }
    100% { opacity: 0; transform: translateY(12px); }
}

.section-topline {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.8rem;
}

.section-brand {
    font-family: var(--font-ui);
    letter-spacing: 0.08em;
    color: rgba(248, 248, 248, 0.82);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
}

.section-logo {
    height: 22px;
    width: auto;
    display: block;
    filter: invert(1) grayscale(1) brightness(1.55);
}

.split-heading {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 1.5rem;
    align-items: end;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    padding-bottom: 0.85rem;
}

.split-heading p {
    margin: 0;
    color: rgba(246, 246, 246, 0.9);
}

.section-intro {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: 1.2rem;
    align-items: end;
    border-bottom: 1px solid rgba(255, 255, 255, 0.32);
    padding-bottom: 0.8rem;
}

.section-intro p {
    margin: 0;
    color: rgba(246, 246, 246, 0.91);
}

.panel-product .section-intro {
    grid-template-columns: 1fr;
    gap: 0.6rem;
    max-width: 62ch;
}

.panel-platform .section-intro,
.panel-offer .section-intro {
    grid-template-columns: 1fr;
    gap: 0.6rem;
    max-width: 62ch;
}

.spec-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.65rem;
}

.spec-chip {
    border-radius: 14px;
    border: 1px solid var(--glass-stroke);
    background: linear-gradient(170deg, var(--glass-fill-strong), var(--glass-fill));
    padding: 0.7rem 0.8rem;
    display: grid;
    gap: 0.3rem;
    backdrop-filter: blur(10px);
}

.spec-chip span {
    color: rgba(240, 240, 240, 0.82);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
}

.spec-chip strong {
    color: #fff;
    font-family: var(--font-ui);
    font-size: 1rem;
    line-height: 1.1;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.75rem;
}

.feature-grid-detail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-card {
    min-height: 130px;
    border-radius: 16px;
    padding: 0.95rem;
    background: linear-gradient(170deg, var(--glass-fill-strong), var(--glass-fill));
    border: 1px solid var(--glass-stroke);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.24);
    display: grid;
    gap: 0.45rem;
    align-content: start;
    backdrop-filter: blur(10px);
}

.feature-card h3 {
    font-size: 1rem;
}

.feature-card p {
    margin: 0;
    color: rgba(250, 250, 250, 0.86);
    font-size: 0.92rem;
}

.feature-list {
    margin: 0;
    padding-left: 1.05rem;
    color: rgba(250, 250, 250, 0.9);
    display: grid;
    gap: 0.32rem;
    font-size: 0.92rem;
}

.balanced-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
}

.panel-gallery .panel-inner {
    align-content: start;
}

.panel-gallery .section-intro {
    max-width: none;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.55rem;
}

.gallery-item {
    appearance: none;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 14px;
    padding: 0;
    background: rgba(12, 12, 12, 0.4);
    cursor: pointer;
    overflow: hidden;
    position: relative;
    aspect-ratio: 16 / 10;
    min-width: 0;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    filter: saturate(0.95) contrast(1.03);
    transition: transform 320ms ease, filter 320ms ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
    filter: saturate(1.03) contrast(1.08);
}

.gallery-item::after {
    content: "Vollansicht";
    position: absolute;
    inset: auto 0 0;
    padding: 0.38rem 0.5rem;
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #f5f5f5;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.84));
    opacity: 0;
    transition: opacity 220ms ease;
}

.gallery-item:hover::after {
    opacity: 1;
}

.gallery-lightbox {
    position: fixed;
    inset: 0;
    z-index: 1700;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.gallery-lightbox.is-open {
    display: flex;
}

.gallery-lightbox-backdrop {
    position: absolute;
    inset: 0;
    border: 0;
    background: rgba(0, 0, 0, 0.9);
    cursor: pointer;
    z-index: 1;
}

.gallery-lightbox-figure {
    position: relative;
    z-index: 2;
    margin: 0;
    width: min(1360px, calc(100vw - 7rem));
    display: grid;
    gap: 0.55rem;
}

.gallery-lightbox-figure img {
    width: 100%;
    max-height: calc(100vh - 8rem);
    object-fit: contain;
    background: #090909;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 18px;
}

.gallery-lightbox-figure figcaption {
    margin: 0;
    text-align: center;
    font-size: 0.9rem;
    color: rgba(248, 248, 248, 0.95);
}

.gallery-lightbox-close,
.gallery-lightbox-nav {
    position: absolute;
    z-index: 3;
    border: 1px solid rgba(255, 255, 255, 0.24);
    background: rgba(16, 16, 16, 0.78);
    color: #fff;
    border-radius: 999px;
    cursor: pointer;
    backdrop-filter: blur(6px);
}

.gallery-lightbox-close {
    right: 1rem;
    top: 1rem;
    width: 2.4rem;
    height: 2.4rem;
    line-height: 1;
    font-size: 1.2rem;
}

.gallery-lightbox-nav {
    top: 50%;
    transform: translateY(-50%);
    width: 2.7rem;
    height: 2.7rem;
    line-height: 1;
    font-size: 1.3rem;
}

.gallery-lightbox-nav.is-prev {
    left: 1rem;
}

.gallery-lightbox-nav.is-next {
    right: 1rem;
}

.info-card {
    min-height: 140px;
    border-radius: 16px;
    padding: 1rem;
    background: linear-gradient(170deg, var(--glass-fill-strong), var(--glass-fill));
    border: 1px solid var(--glass-stroke);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.24);
    display: grid;
    gap: 0.38rem;
    align-content: start;
    backdrop-filter: blur(10px);
}

.info-label {
    margin: 0;
    color: rgba(238, 238, 238, 0.84);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.info-card h3 {
    font-size: 1.12rem;
    color: #fff;
}

.info-card p {
    margin: 0;
    color: rgba(247, 247, 247, 0.88);
    font-size: 0.93rem;
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.85rem;
}

.platform-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.85fr);
    gap: 0.85rem;
    align-items: end;
}

.platform-main {
    display: grid;
    gap: 0.8rem;
}

.platform-main .lead {
    max-width: 64ch;
}

.platform-grid-stack {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.platform-side {
    display: grid;
    gap: 0.75rem;
}

.platform-side .price-highlight {
    max-width: none;
}

.platform-grid article {
    background: linear-gradient(170deg, var(--glass-fill-strong), var(--glass-fill));
    border: 1px solid var(--glass-stroke);
    border-radius: 16px;
    padding: 1rem;
    backdrop-filter: blur(10px);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.24);
}

.platform-grid p {
    margin: 0.45rem 0 0;
    color: rgba(249, 249, 249, 0.9);
}

.price-highlight {
    max-width: 660px;
    margin-top: 0.25rem;
    padding: 0.95rem 1rem;
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.36);
    background: linear-gradient(160deg, rgba(14, 14, 14, 0.68), rgba(0, 0, 0, 0.46));
    backdrop-filter: blur(10px);
}

.offer-price {
    max-width: 760px;
}

.price-label {
    margin: 0;
    color: rgba(246, 246, 246, 0.92);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.price-value {
    margin: 0.2rem 0 0;
    font-family: var(--font-ui);
    font-size: clamp(1.9rem, 5vw, 3rem);
    line-height: 0.95;
    color: #ffffff;
    text-shadow: 0 8px 20px rgba(0, 0, 0, 0.48);
}

.price-note {
    margin: 0.35rem 0 0;
    color: rgba(245, 245, 245, 0.88);
    font-size: 0.95rem;
}

.platform-note {
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.28);
    background: linear-gradient(170deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0.08));
    padding: 0.95rem;
    display: grid;
    gap: 0.5rem;
    backdrop-filter: blur(10px);
}

.platform-note h3 {
    font-size: 1.02rem;
}

.lead-form {
    margin-top: 0.2rem;
    display: grid;
    gap: 0.9rem;
    width: min(980px, 100%);
}

.panel-contact .lead-form {
    padding: clamp(0.85rem, 1.8vw, 1.2rem);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.32);
    background: linear-gradient(165deg, rgba(7, 7, 7, 0.62), rgba(7, 7, 7, 0.34));
    backdrop-filter: blur(14px) saturate(1.08);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.16),
        0 18px 44px rgba(0, 0, 0, 0.28);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
}

.form-grid label {
    display: grid;
    gap: 0.4rem;
    font-size: 0.93rem;
    color: #f6f6f6;
}

.form-grid .full {
    grid-column: 1 / -1;
}

input,
textarea,
select {
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.52);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.97);
    color: #111;
    font: inherit;
    padding: 0.72rem 0.8rem;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.8),
        0 6px 16px rgba(0, 0, 0, 0.12);
}

input:focus,
textarea:focus,
select:focus {
    outline: 2px solid rgba(255, 255, 255, 0.42);
    outline-offset: 1px;
    border-color: #f3f3f3;
}

textarea {
    resize: vertical;
    min-height: 140px;
}

.checkbox {
    display: flex;
    gap: 0.55rem;
    align-items: flex-start;
    color: rgba(247, 247, 247, 0.92);
    font-size: 0.9rem;
}

.checkbox input {
    width: 1rem;
    height: 1rem;
    margin-top: 0.15rem;
    padding: 0;
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
}

.form-feedback {
    margin: 0;
    min-height: 1.25rem;
    font-size: 0.92rem;
    color: #ecffec;
}

.form-feedback.error {
    color: #ffd8d8;
}

.hp-field {
    position: absolute;
    left: -9999px;
    opacity: 0;
    pointer-events: none;
}

.modal {
    position: fixed;
    inset: 0;
    display: none;
    z-index: 1500;
}

.modal.is-open {
    display: block;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.52);
    backdrop-filter: blur(4px);
}

.modal-card {
    position: relative;
    width: min(860px, calc(100vw - 1.4rem));
    margin: min(9vh, 4.5rem) auto;
    background: linear-gradient(165deg, rgba(255, 255, 255, 0.97), rgba(242, 242, 242, 0.94));
    border: 1px solid rgba(255, 255, 255, 0.65);
    border-radius: 24px;
    box-shadow:
        0 22px 64px rgba(0, 0, 0, 0.32),
        inset 0 1px 0 rgba(255, 255, 255, 0.75);
    padding: 1.2rem;
    z-index: 2;
}

.modal-card h3 {
    color: #151515;
    text-shadow: none;
    font-size: clamp(1.35rem, 2.4vw, 2rem);
}

.modal-card .eyebrow {
    color: #303030;
}

.modal-card .form-grid label {
    color: #1b1b1b;
}

.modal-card .checkbox {
    color: #303030;
}

.modal-card .form-feedback {
    color: #1f4f1e;
}

.modal-card .form-feedback.error {
    color: #8e2323;
}

.modal-close {
    position: absolute;
    right: 0.7rem;
    top: 0.7rem;
    border: 1px solid #c2c2c2;
    border-radius: 50%;
    width: 2rem;
    height: 2rem;
    line-height: 1;
    font-size: 1.35rem;
    background: #fff;
    cursor: pointer;
}

.is-reveal {
    opacity: 0;
    transform: none;
    transition: opacity 380ms ease;
}

.is-reveal.is-visible {
    opacity: 1;
    transform: none;
}

@media (min-width: 1180px) {
    .lead-form .form-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .lead-form .form-grid .full {
        grid-column: 1 / -1;
    }
}

@media (max-width: 1040px) {
    .feature-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .split-heading,
    .section-intro {
        grid-template-columns: 1fr;
    }

    .spec-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .platform-layout {
        grid-template-columns: 1fr;
    }

    .platform-grid-stack {
        grid-template-columns: 1fr;
    }

    .balanced-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .gallery-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

@media (max-width: 860px) {
    :root {
        --frame-gap: 0.55rem;
        --nav-h: 70px;
        --container: min(1600px, calc(100vw - (var(--frame-gap) * 2)));
    }

    .floating-nav {
        display: grid;
        top: var(--frame-gap);
        left: 50%;
        transform: translateX(-50%);
        width: var(--container);
        max-width: var(--container);
        grid-template-columns: auto auto;
        justify-content: space-between;
        align-items: center;
        gap: 0.75rem;
        padding: 0.65rem;
        border-radius: var(--radius-xl);
        background: rgba(5, 5, 5, 0.94);
        border: 1px solid rgba(255, 255, 255, 0.18);
        backdrop-filter: blur(14px) saturate(1.05);
    }

    .scroll-assist {
        top: auto;
        bottom: calc(var(--frame-gap) + env(safe-area-inset-bottom));
        transform: translateX(-50%) translateY(10px);
        width: max-content;
        max-width: calc(100vw - 1rem);
        padding: 0.52rem 0.78rem;
        background: rgba(8, 8, 8, 0.84);
        border-color: rgba(255, 255, 255, 0.2);
        z-index: 1300;
    }

    .scroll-assist.is-visible {
        transform: translateX(-50%) translateY(0);
    }

    .nav-toggle {
        display: inline-flex;
    }

    .floating-nav > .btn {
        display: none;
    }

    .nav-links {
        position: absolute;
        left: 0;
        right: 0;
        top: calc(var(--nav-h) - 0.15rem);
        margin: 0.5rem auto 0;
        width: var(--container);
        border-radius: var(--radius-xl);
        border: 1px solid rgba(255, 255, 255, 0.13);
        background: rgba(12, 12, 12, 0.98);
        box-shadow: var(--shadow-soft);
        padding: 0.5rem;
        flex-direction: column;
        align-items: stretch;
        display: none;
    }

    .nav-links.is-open {
        display: flex;
    }

    .nav-links a {
        padding: 0.65rem 0.7rem;
    }

    .panel {
        align-items: flex-start;
        padding-top: var(--frame-gap);
        padding-bottom: var(--frame-gap);
        min-height: 100vh;
        min-height: 100dvh;
        height: auto;
        scroll-snap-stop: normal;
    }

    .panel-inner {
        width: var(--container);
        max-width: var(--container);
        height: auto;
        min-height: calc(100dvh - (var(--frame-gap) * 2));
        border-radius: var(--radius-xl);
        padding: calc(var(--nav-h) + 0.85rem) 1rem 1rem;
        align-content: start;
        overflow: hidden;
    }

    .panel-hero .panel-inner {
        align-content: end;
        gap: 0.75rem;
        padding-top: calc(var(--nav-h) + 0.85rem);
        padding-bottom: max(1rem, env(safe-area-inset-bottom));
    }

    .panel-hero .scroll-hint {
        margin-top: 0.3rem;
    }

    .eyebrow {
        font-size: 0.9rem;
    }

    h1 {
        font-size: clamp(1.55rem, 6.8vw, 2.2rem);
    }

    h2 {
        font-size: clamp(1.45rem, 5.6vw, 2rem);
    }

    .lead {
        font-size: clamp(0.9rem, 3.1vw, 1rem);
    }

    .btn {
        padding: 0.62rem 0.98rem;
        font-size: 0.92rem;
    }

    .feature-list,
    .info-card p,
    .feature-card p {
        font-size: 0.88rem;
    }

    .panel-inner:hover .panel-media {
        transform: scale(1.02);
    }

    .platform-grid {
        grid-template-columns: 1fr;
    }

    .feature-grid-detail {
        grid-template-columns: 1fr;
    }

    .balanced-grid {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .gallery-item {
        border-radius: 12px;
    }

    .gallery-lightbox {
        padding: 0.7rem;
    }

    .gallery-lightbox-figure {
        width: min(1100px, calc(100vw - 3rem));
    }

    .gallery-lightbox-figure img {
        max-height: calc(100vh - 6.8rem);
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .panel-contact .lead-form {
        border-radius: 16px;
        padding: 0.82rem;
    }
}

@media (min-width: 1680px) {
    :root {
        --container: min(1600px, calc(100vw - 2.8rem));
        --frame-gap: clamp(1rem, 1.8vw, 1.7rem);
    }

    h1 {
        font-size: clamp(2.4rem, 4.2vw, 5rem);
    }
}

@media (max-width: 560px) {
    :root {
        --frame-gap: 0.45rem;
    }

    body {
        background:
            radial-gradient(circle at 50% -20%, #ffffff, transparent 38%),
            linear-gradient(180deg, #efefef 0%, #f7f7f7 55%, #ececec 100%);
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    .spec-strip {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: clamp(1.42rem, 8.2vw, 1.95rem);
    }

    h2 {
        font-size: clamp(1.3rem, 7vw, 1.72rem);
    }

    .lead {
        font-size: 0.9rem;
    }

    .scroll-hint {
        font-size: 0.82rem;
    }

    .scroll-assist {
        font-size: 0.76rem;
        letter-spacing: 0.03em;
        padding: 0.48rem 0.68rem;
    }

    .gallery-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 0.45rem;
    }

    .gallery-item {
        border-radius: 10px;
    }

    .gallery-lightbox-nav {
        display: none;
    }

    .gallery-lightbox-figure {
        width: calc(100vw - 1.2rem);
    }

    .gallery-lightbox-figure img {
        max-height: calc(100vh - 6.2rem);
        border-radius: 12px;
    }

    .modal-card {
        margin: 1rem auto;
        max-height: calc(100vh - 2rem);
        overflow: auto;
        padding-bottom: 1rem;
    }
}