:root {
    --bg-color: #000000;
    --text-main: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.6);
    --accent: #3b82f6;
    --panel-bg: rgba(10, 10, 10, 0.85);
    --border-color: rgba(255, 255, 255, 0.1);

    /* Dynamic Fine-tuner Typography Variables */
    --font-heading: 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
    --heading-size: 3rem;
    --heading-weight: 400;
    --heading-color: #ffffff;
    --body-size: 1.2rem;
    --body-color: #999999;

    /* Dynamic Fine-tuner Navigation Variables */
    --nav-bg-color: rgba(0, 0, 0, 0.35);
    --nav-blur: 12px;
    --nav-brand-color: #ffffff;
    --nav-brand-size: 2.5rem;
    --nav-link-color: #ffffff;
    --nav-link-size: 1.1rem;
}

html {
    scroll-behavior: smooth;
}

body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-body);
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent;
}

.brand,
.menu-item,
a,
.control-panel {
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

/* --- HERO SECTION --- */
#hero {
    position: relative;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    overflow-anchor: none;
    transition: height 0.45s cubic-bezier(0.25, 1, 0.5, 1),
                min-height 0.45s cubic-bezier(0.25, 1, 0.5, 1);
}

#hero.collapsed {
    height: var(--nav-pin-height, 56px);
    min-height: var(--nav-pin-height, 56px);
}

#hero.collapsed::after {
    display: none;
}

/* Mobile-only buffer below collapsed hero so content is reachable
   without immediately re-expanding WebGL at the top */
.hero-spacer {
    display: none;
    width: 100%;
    height: 0;
    pointer-events: none;
    background: var(--bg-color);
    flex-shrink: 0;
    overflow-anchor: none;
    transition: height 0.45s cubic-bezier(0.25, 1, 0.5, 1);
}

#hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 15vh;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0) 0%,
        var(--bg-color) 100%
    );
    pointer-events: none;
    z-index: 2;
    will-change: transform;
}

#canvas-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: auto;
    overflow: hidden;
}

#canvas-container canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
    position: absolute;
    left: 0;
    top: 0;
}

/* After scrolling: pin strip behind navbar (bottom of animation stays visible) */
#canvas-container.pinned {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-pin-height, 70px);
    z-index: 99;
}

#canvas-container.pinned canvas {
    height: 100vh !important;
    height: 100dvh !important;
    top: auto;
    bottom: 0;
}

.navbar {
    position: fixed;
    top: 50%;
    left: 0;
    width: 100%;
    padding: 1.2rem 5rem;
    box-sizing: border-box;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    z-index: 100;
    background: var(--nav-bg-color);
    backdrop-filter: blur(var(--nav-blur));
    -webkit-backdrop-filter: blur(var(--nav-blur));
    border-bottom: 1px solid transparent;
    transition: background 0.35s ease, backdrop-filter 0.35s ease, border-color 0.35s ease;
}

.navbar.scrolled {
    border-bottom-color: var(--border-color);
}

.brand {
    color: var(--nav-brand-color);
    font-size: var(--nav-brand-size);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15rem;
    text-shadow: 0 8px 25px rgba(0, 0, 0, 0.9);
    text-decoration: none;
    cursor: pointer;
    transition: font-size 0.3s ease, color 0.3s ease;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 3.5rem;
    margin-left: auto;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    flex-shrink: 0;
}

.menu-item {
    color: var(--nav-link-color);
    font-size: var(--nav-link-size);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.1rem;
    font-weight: 300;
    display: inline-block;
    filter: drop-shadow(0px 0px 10px rgba(0, 0, 0, 0.95))
            drop-shadow(0px 0px 25px rgba(0, 0, 0, 0.8));
    mix-blend-mode: difference;
    transition: font-weight 0.4s cubic-bezier(0.25, 0.8, 0.25, 1),
                transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1),
                color 0.3s ease;
}

.menu-item:hover {
    font-weight: 800;
    transform: scale(1.15);
    color: var(--accent);
}

.hamburger-btn {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 28px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 101;
}

.hamburger-btn span {
    width: 100%;
    height: 2px;
    background: var(--nav-link-color);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger-btn.open span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.hamburger-btn.open span:nth-child(2) {
    opacity: 0;
}

.hamburger-btn.open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

section.page-section {
    --section-max: 56rem;
    min-height: 100vh;
    padding: 7rem max(1.5rem, calc((100vw - var(--section-max)) / 2));
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: stretch;
    background: var(--bg-color);
    position: relative;
    z-index: 5;
    border-top: none;
}

#featured-projects {
    /* Extra space below the sticky nav — raise to push the headline down */
    --featured-top-gap: 2.5rem;
    min-height: auto;
    padding-top: calc(var(--nav-pin-height, 70px) + var(--featured-top-gap));
    padding-bottom: 6rem;
}

.section-header {
    font-family: var(--font-heading);
    font-size: var(--heading-size);
    font-weight: var(--heading-weight);
    color: var(--heading-color);
    margin: 0 0 2rem 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: font-size 0.3s, font-weight 0.3s, color 0.3s;
    width: 100%;
    max-width: none;
    box-sizing: border-box;
}

.section-content {
    font-family: var(--font-body);
    font-size: var(--body-size);
    color: var(--body-color);
    line-height: 1.8;
    width: 100%;
    max-width: none;
    margin: 0;
    box-sizing: border-box;
    transition: font-size 0.3s, color 0.3s;
}

#featured-projects,
#who-are-we {
    text-align: left;
}

#featured-projects .section-header,
#featured-projects .section-content,
#who-are-we .section-header,
#who-are-we .section-content {
    text-align: left;
}

.carousel-copy {
    width: 100%;
    min-height: 7.5rem;
    margin: 0 0 0.25rem;
    transition: opacity 0.2s ease;
}

.carousel-copy.is-fading {
    opacity: 0;
}

.carousel-title {
    font-family: var(--font-body);
    font-size: calc(var(--body-size) * 1.05);
    font-weight: 600;
    color: var(--text-main);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin: 0 0 0.75rem 0;
    line-height: 1.35;
}

.carousel-desc {
    margin: 0;
}

#technology {
    text-align: right;
}

#technology .section-header,
#technology .section-content {
    text-align: right;
}

#contact {
    text-align: center;
    align-items: center;
}

#contact .section-header,
#contact .section-content {
    max-width: 600px;
    width: 100%;
    text-align: center;
    align-self: center;
}

.contact-form {
    display: grid;
    gap: 1.5rem;
    max-width: 600px;
    width: 100%;
    margin-top: 2rem;
    align-self: center;
    text-align: left;
}

.form-disclaimer {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.form-status {
    font-size: 0.9rem;
    min-height: 1.2em;
}

.form-status.success { color: #6ee7b7; }
.form-status.error { color: #f87171; }

.hp-field {
    position: absolute !important;
    left: -9999px !important;
    opacity: 0 !important;
    height: 0 !important;
    width: 0 !important;
    overflow: hidden !important;
    pointer-events: none !important;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.captcha-group {
    min-height: 78px;
}

.captcha-group .h-captcha {
    max-width: 100%;
    overflow: hidden;
}

.contact-form label {
    color: var(--heading-color);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-form input,
.contact-form textarea {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 1rem;
    color: #fff;
    font-family: var(--font-body);
    font-size: 1rem;
    border-radius: 8px;
    outline: none;
    transition: border-color 0.3s, background 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.07);
}

.contact-form textarea {
    min-height: 150px;
    resize: vertical;
}

.submit-btn {
    background: var(--text-main);
    color: #000;
    border: none;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s, background 0.2s;
    align-self: flex-start;
}

.submit-btn:hover {
    background: var(--accent);
    color: #fff;
    transform: translateY(-2px);
}

footer {
    position: relative;
    z-index: 10;
    background: #020202;
    border-top: 1px solid var(--border-color);
    padding: 4rem 10vw 3rem 10vw;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-brand {
    font-size: 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1rem;
    color: var(--nav-brand-color);
}

.footer-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--text-main);
}

.footer-location {
    display: grid;
    grid-template-columns: minmax(180px, 280px) minmax(200px, 1fr);
    gap: 1.5rem;
    align-items: stretch;
    width: 100%;
}

.footer-map {
    position: relative;
    width: 100%;
    min-height: 180px;
    height: 180px;
    border: none;
    border-radius: 0;
    overflow: hidden;
    background: #020202;
}

.footer-map iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
    filter: grayscale(1) contrast(1.1) brightness(0.9);
}

.footer-address {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.footer-address strong {
    color: var(--text-main);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-size: 0.8rem;
}

.footer-address a {
    color: var(--accent);
    text-decoration: none;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 2rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    flex-wrap: wrap;
    gap: 0.75rem;
}

/* --- Media / carousel / lightbox / language --- */
.media-block {
    width: 100%;
    max-width: none;
    margin-top: 2.5rem;
    margin-left: 0;
    margin-right: 0;
    box-sizing: border-box;
}

#technology .media-block,
#who-are-we .media-block,
#featured-projects .media-block {
    width: 100%;
    max-width: none;
    align-self: stretch;
}

.carousel {
    position: relative;
    width: 100%;
    max-width: none;
    margin-top: 0.5rem;
    margin-left: 0;
    margin-right: 0;
}

.media-grid {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    width: 100%;
}

.media-card {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    background: linear-gradient(145deg, #141414, #0a0a0a);
}

.media-card img,
.media-card video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.media-card .media-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    text-align: center;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.team-grid .team-card {
    aspect-ratio: 3 / 2;
}

.team-card figcaption {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 0.65rem 0.75rem;
    background: linear-gradient(transparent, rgba(0,0,0,0.85));
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #fff;
}

.carousel-track {
    display: flex;
    gap: 0;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 0;
}

.carousel-track::-webkit-scrollbar {
    display: none;
}

.carousel-card {
    flex: 0 0 100%;
    width: 100%;
    scroll-snap-align: start;
    aspect-ratio: 16 / 10;
    max-height: min(52vh, 420px);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    background: #111;
    cursor: zoom-in;
    padding: 0;
    position: relative;
}

.carousel-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.carousel-card:hover img {
    transform: scale(1.03);
}

.carousel-card .media-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    background: linear-gradient(145deg, #161616, #0a0a0a);
}

.carousel-nav {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.carousel-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: rgba(255,255,255,0.04);
    color: #fff;
    cursor: pointer;
    font-size: 1.1rem;
    line-height: 1;
    transition: border-color 0.2s, background 0.2s;
}

.carousel-btn:hover {
    border-color: var(--accent);
    background: rgba(59, 130, 246, 0.15);
}

.lang-switcher {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.lang-select {
    -webkit-appearance: none;
    appearance: none;
    background: rgba(255, 255, 255, 0.06)
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%23ffffff' d='M0 0l5 6 5-6z'/%3E%3C/svg%3E")
        no-repeat right 0.4rem center;
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 4px;
    color: #ffffff;
    font-family: inherit;
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    line-height: 1;
    padding: 0.28rem 1.15rem 0.28rem 0.45rem;
    min-width: 0;
    width: auto;
    max-width: 4.2rem;
    cursor: pointer;
    outline: none;
}

.lang-select:hover,
.lang-select:focus {
    border-color: rgba(255, 255, 255, 0.5);
    background-color: rgba(255, 255, 255, 0.1);
}

.lang-select option {
    background: #111;
    color: #fff;
}

#google_translate_element {
    position: absolute !important;
    left: -9999px !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

.lightbox {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(0, 0, 0, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    padding: 2rem;
}

.lightbox.open {
    opacity: 1;
    pointer-events: auto;
    overscroll-behavior: none;
    touch-action: none;
}

/* Freeze page scroll without resetting scroll position (no position:fixed). */
html.lightbox-open,
html.lightbox-open body {
    overflow: hidden !important;
    overscroll-behavior: none;
}

.lightbox img {
    max-width: min(92vw, 1100px);
    max-height: 85vh;
    object-fit: contain;
    cursor: zoom-in;
    transition: transform 0.35s ease;
    border: 1px solid rgba(255,255,255,0.08);
}

.lightbox.zoomed img {
    transform: scale(1.55);
    cursor: zoom-out;
}

.lightbox-close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: rgba(20,20,20,0.8);
    color: #fff;
    font-size: 1.4rem;
    cursor: pointer;
    z-index: 2;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: rgba(20, 20, 20, 0.8);
    color: #fff;
    font-size: 1.75rem;
    line-height: 1;
    cursor: pointer;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.2s, background 0.2s;
}

.lightbox-nav:hover {
    border-color: var(--accent);
    background: rgba(59, 130, 246, 0.2);
}

.lightbox-prev {
    left: 1rem;
}

.lightbox-next {
    right: 1rem;
}

@media (max-width: 640px) {
    .lightbox-nav {
        width: 42px;
        height: 42px;
        font-size: 1.5rem;
    }

    .lightbox-prev {
        left: 0.5rem;
    }

    .lightbox-next {
        right: 0.5rem;
    }
}

/* Google Translate — match site chrome */
.gtranslate-wrap {
    display: flex;
    align-items: center;
}

.gtranslate-wrap .goog-te-gadget {
    font-family: var(--font-body) !important;
    font-size: 0 !important;
    color: transparent !important;
}

.gtranslate-wrap .goog-te-gadget-simple {
    background: rgba(255, 255, 255, 0.06) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 8px !important;
    padding: 0.35rem 0.55rem !important;
    font-size: 0.72rem !important;
    line-height: 1 !important;
    color: var(--nav-link-color) !important;
    display: flex !important;
    align-items: center !important;
    gap: 0.25rem;
}

.gtranslate-wrap .goog-te-menu-value span {
    color: var(--nav-link-color) !important;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-size: 0.68rem !important;
}

.gtranslate-wrap .goog-te-gadget-icon {
    display: none !important;
}

.gtranslate-wrap img {
    display: none !important;
}

body {
    top: 0 !important;
}

.goog-te-banner-frame.skiptranslate {
    display: none !important;
}

.skiptranslate iframe {
    visibility: hidden !important;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.back-to-top {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 90;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    color: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
}

.back-to-top:hover {
    border-color: var(--accent);
    transform: translateX(-50%) translateY(-3px);
    color: var(--accent);
}

.float-contact {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 90;
    min-height: 48px;
    padding: 0.85rem 1.25rem;
    border-radius: 999px;
    background: #ffffff;
    border: 1px solid #ffffff;
    color: #0a0a0a;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease, background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
    box-shadow: 0 4px 20px rgba(0,0,0,0.45);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: var(--font-body);
    white-space: nowrap;
}

.float-contact.visible {
    opacity: 1;
    pointer-events: auto;
}

.float-contact:hover {
    background: #0a0a0a;
    border-color: #ffffff;
    color: #ffffff;
    transform: translateY(-3px);
}

.layout-tune-panel {
    position: fixed;
    top: 4.5rem;
    left: 1rem;
    z-index: 200;
    width: min(17rem, calc(100vw - 2rem));
    padding: 0.85rem 1rem 1rem;
    border-radius: 10px;
    background: rgba(10, 10, 10, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: #fff;
    font-family: var(--font-body);
    font-size: 0.75rem;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(12px);
}

.layout-tune-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.layout-tune-hide {
    background: transparent;
    border: 0;
    color: #fff;
    font-size: 1.1rem;
    cursor: pointer;
    line-height: 1;
}

.layout-tune-panel label {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.35rem 0.5rem;
    margin-bottom: 0.75rem;
    color: rgba(255, 255, 255, 0.75);
}

.layout-tune-panel label input[type="range"] {
    grid-column: 1 / -1;
    width: 100%;
}

.layout-tune-hint {
    margin: 0;
    color: rgba(255, 255, 255, 0.45);
    line-height: 1.4;
    font-size: 0.65rem;
}

/* --- MASTER FINE-TUNER CONTROL PANEL UI (admin only) --- */
.control-panel {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 120;
    background: var(--panel-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    width: 330px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.9);
    transition: height 0.3s ease, width 0.3s ease;
    overflow: hidden;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem;
    cursor: pointer;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s;
}

.panel-header h3 {
    margin: 0;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.12rem;
    font-weight: 700;
}

.panel-header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.save-btn {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 0.35rem 0.65rem;
    border-radius: 6px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06rem;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.2s;
}

.save-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.toggle-btn {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: transform 0.3s;
}

.panel-content {
    padding: 0 1.25rem 1.25rem 1.25rem;
    max-height: 65vh;
    overflow-y: auto;
    opacity: 1;
    transition: opacity 0.3s;
}

.control-panel.collapsed {
    width: 200px;
}

.control-panel.collapsed .panel-header {
    border-bottom-color: transparent;
}

.control-panel.collapsed .panel-content {
    display: none;
}

.control-panel.collapsed .toggle-btn {
    transform: rotate(180deg);
}

.control-panel h4 {
    margin: 1.2rem 0 0.6rem 0;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.1rem;
    color: var(--accent);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 0.3rem;
}

.control-group {
    margin-bottom: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.control-group.checkbox-group {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}

.control-group label {
    font-size: 0.73rem;
    text-transform: uppercase;
    letter-spacing: 0.05rem;
    color: rgba(255, 255, 255, 0.9);
    display: flex;
    justify-content: space-between;
    width: 100%;
}

.control-group label span {
    color: var(--accent);
    font-weight: 600;
}

.control-group select,
.control-group input[type="range"],
.control-group input[type="text"] {
    width: 100%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.82rem;
    outline: none;
    box-sizing: border-box;
}

.control-group input[type="color"] {
    -webkit-appearance: none;
    appearance: none;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    height: 28px;
    width: 100%;
    cursor: pointer;
    background: none;
    padding: 2px;
}

.control-group select option {
    background: #111;
    color: #fff;
}

.control-group input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    height: 5px;
    padding: 0;
    border-radius: 3px;
}

.control-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #ffffff;
    cursor: pointer;
}

.switch {
    position: relative;
    display: inline-block;
    width: 36px;
    height: 20px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(255, 255, 255, 0.2);
    transition: .3s;
    border-radius: 20px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 14px;
    width: 14px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--accent);
}

input:checked + .slider:before {
    transform: translateX(16px);
}

.panel-content::-webkit-scrollbar { width: 4px; }
.panel-content::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 2px; }

@media (max-width: 768px) {
    .hero-spacer {
        display: block;
        height: 0;
    }

    /* Buffer under collapsed hero. Keep small so Featured Projects
       sits under the sticky bar (not a blank full-screen gap). */
    #hero.collapsed + .hero-spacer {
        height: 0;
    }

    /* Instant height change on mobile — animated height fights scroll position
       and can bounce back to the top / re-expand the hero. Navbar still eases. */
    #hero {
        transition: none;
    }

    /* Headline-first: nav jumps land with the section title under the sticky bar */
    section.page-section {
        justify-content: flex-start;
        scroll-margin-top: calc(var(--nav-pin-height, 56px) + 0.75rem);
        padding-top: calc(var(--nav-pin-height, 56px) + 1.5rem);
        min-height: auto;
    }

    .section-header {
        scroll-margin-top: calc(var(--nav-pin-height, 56px) + 0.75rem);
    }

    #featured-projects {
        /* Mobile: tweak this to clear the sticky menu (e.g. 3rem / 4rem) */
        --featured-top-gap: 17rem;
        padding-top: calc(var(--nav-pin-height, 56px) + var(--featured-top-gap));
        scroll-margin-top: calc(var(--nav-pin-height, 56px) + 0.75rem);
    }

    .navbar {
        top: 0;
        left: 50%;
        transform: translateX(-50%);
        width: fit-content;
        max-width: none;
        height: 100vh;
        height: 100dvh;
        padding: 3.5rem 0.5rem 5rem 0.5rem;
        border-radius: 0;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 0;
        background: rgba(0, 0, 0, 0.55);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        overflow: hidden;
        transition:
            top 0.45s cubic-bezier(0.25, 1, 0.5, 1),
            left 0.45s cubic-bezier(0.25, 1, 0.5, 1),
            width 0.45s cubic-bezier(0.25, 1, 0.5, 1),
            height 0.45s cubic-bezier(0.25, 1, 0.5, 1),
            transform 0.45s cubic-bezier(0.25, 1, 0.5, 1),
            padding 0.45s cubic-bezier(0.25, 1, 0.5, 1),
            background 0.35s ease,
            border-radius 0.45s ease;
    }

    .navbar .brand {
        margin-bottom: auto;
        text-align: center;
        white-space: nowrap;
        font-size: 2.25rem;
        transition: font-size 0.45s ease, margin 0.45s ease;
    }

    .navbar .nav-links {
        display: flex;
        flex-direction: column;
        gap: 2rem;
        align-items: center;
        width: auto;
        margin: 2rem 0 0;
        margin-left: 0;
        opacity: 1;
        max-height: 70vh;
        overflow: hidden;
        transition: opacity 0.35s ease, max-height 0.4s ease, margin 0.4s ease;
    }

    .navbar .menu-item {
        text-align: center;
        text-wrap: balance;
    }

    .navbar .lang-switcher {
        margin-top: 1.75rem;
        margin-bottom: 0.5rem;
        justify-content: center;
    }

    .navbar .nav-actions {
        display: none;
    }

    .navbar .hamburger-btn {
        display: none;
    }

    /* Single-step collapse to top bar */
    .navbar.scrolled {
        top: 0;
        left: 0;
        transform: none;
        width: 100%;
        height: 56px;
        padding: 0.8rem 1.5rem;
        border-radius: 0;
        flex-direction: row;
        justify-content: flex-start;
        align-items: center;
        background: var(--nav-bg-color);
        backdrop-filter: blur(var(--nav-blur));
        -webkit-backdrop-filter: blur(var(--nav-blur));
        border-bottom-color: var(--border-color);
        overflow: visible;
        gap: 0.5rem;
    }

    .navbar.scrolled .brand {
        margin-bottom: 0;
        font-size: 1.8rem;
        text-align: left;
        margin-right: auto;
    }

    .navbar.scrolled .lang-switcher {
        margin: 0;
        order: 2;
    }

    .navbar.scrolled .nav-actions {
        display: flex;
        order: 3;
    }

    .navbar.scrolled .hamburger-btn {
        display: flex;
    }

    .navbar.scrolled .nav-links {
        opacity: 0;
        max-height: 0;
        margin: 0;
        gap: 0;
        pointer-events: none;
        position: absolute;
        visibility: hidden;
    }

    .navbar.scrolled .nav-links.open {
        opacity: 1;
        max-height: 80vh;
        visibility: visible;
        pointer-events: auto;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        margin: 0;
        gap: 1.25rem;
        padding: 1.5rem 0;
        background: var(--nav-bg-color);
        backdrop-filter: blur(var(--nav-blur));
        -webkit-backdrop-filter: blur(var(--nav-blur));
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 10px 30px rgba(0,0,0,0.8);
        animation: fadeInDown 0.35s ease forwards;
    }

    #featured-projects,
    #who-are-we {
        text-align: left;
    }

    #featured-projects .section-header,
    #who-are-we .section-header,
    #featured-projects .section-content,
    #who-are-we .section-content,
    #featured-projects .media-block,
    #who-are-we .media-block,
    #technology .media-block,
    #technology .section-header,
    #technology .section-content {
        width: 100%;
        max-width: none;
    }

    #technology {
        text-align: right;
    }

    /* Keep section copy alignment; center media stacks on the screen */
    #featured-projects .media-block,
    #who-are-we .media-block,
    #technology .media-block,
    .media-block,
    .carousel {
        align-self: center;
        width: 100%;
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
        text-align: center;
    }

    .media-grid {
        align-items: center;
        width: 100%;
    }

    .media-card,
    .carousel-card {
        width: 100%;
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }

    .section-header {
        font-size: clamp(1.6rem, 8vw, 2.4rem);
        line-height: 1.15;
    }

    .carousel {
        max-width: none;
        width: 100%;
    }

    .carousel-card {
        flex-basis: 100%;
        max-height: min(48vh, 360px);
    }

    .footer-location {
        grid-template-columns: 1fr;
    }

    .footer-map {
        min-height: 180px;
    }

    .control-panel {
        bottom: 1rem;
        right: 1rem;
        max-width: calc(100vw - 2rem);
    }

    .back-to-top {
        bottom: 1rem;
        left: 1rem;
        transform: none;
    }

    .back-to-top:hover {
        transform: translateY(-3px);
    }

    .float-contact {
        bottom: 1rem;
        right: 1rem;
        padding: 0.75rem 1.1rem;
        font-size: 0.7rem;
    }

    footer {
        padding: 3rem 1.5rem;
    }

    .footer-top {
        flex-direction: column;
        gap: 1.5rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}