:root {
    --bg-deep: #08080c;
    --bg-surface: #111118;
    --bg-card: #18181f;
    --border: #2a2a35;
    --text: #e8e8ed;
    --text-muted: #8888a0;
    --accent: #b83a5c;
    --accent-dim: #8f2d48;
    --accent-glow: rgba(184, 58, 92, 0.18);
    --accent-soft: rgba(184, 58, 92, 0.1);
    --badge-dev: #c9a227;
    --badge-soon: #6b6b7a;
    --badge-tool: #4a7eb8;
    --radius: 10px;
    --header-h: 64px;
    --lang-bar-h: 34px;
    --font: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    background-color: var(--bg-deep);
    color: var(--text);
    font-family: var(--font);
    line-height: 1.5;
    overflow-x: hidden;
    padding-top: calc(var(--header-h) + var(--lang-bar-h));
    min-width: 0;
}

img, video, svg { max-width: 100%; height: auto; }

/* ── Header ── */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 200;
    background: rgba(17, 17, 24, 0.94);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding: 10px clamp(16px, 4vw, 40px);
    min-height: var(--header-h);
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    min-width: 0;
}

.logo-icon {
    width: 36px;
    height: 36px;
    object-fit: contain;
    flex-shrink: 0;
}

.logo-text {
    font-size: clamp(0.95rem, 2.8vw, 1.15rem);
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.02em;
    white-space: nowrap;
}

.logo-text span { color: var(--accent); }

.nav-toggle {
    display: none;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text);
    width: 40px;
    height: 40px;
    border-radius: 8px;
    font-size: 1.25rem;
    cursor: pointer;
    flex-shrink: 0;
}

.lang-bar {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 14px;
    min-height: var(--lang-bar-h);
    padding: 6px clamp(16px, 4vw, 40px) 10px;
    border-top: 1px solid rgba(42, 42, 53, 0.55);
}

.lang-status {
    font-size: 0.68rem;
    color: var(--accent);
    display: none;
    white-space: nowrap;
    letter-spacing: 0.02em;
}
.lang-status.visible { display: inline; }

.lang-switcher {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 0;
    font-size: clamp(0.72rem, 1.8vw, 0.82rem);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.lang-sep {
    color: var(--border);
    margin: 0 clamp(8px, 1.5vw, 12px);
    font-weight: 300;
    user-select: none;
    opacity: 0.9;
}

.lang-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    padding: 6px 8px;
    min-height: 36px;
    font-family: inherit;
    font-size: inherit;
    font-weight: 500;
    letter-spacing: inherit;
    text-transform: inherit;
    cursor: pointer;
    white-space: nowrap;
    transition: color 0.2s ease, background 0.2s ease;
    border-radius: 6px;
    -webkit-tap-highlight-color: transparent;
}
.lang-btn .lang-native {
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
    opacity: 0.88;
}
.lang-btn:hover { color: var(--text); }
.lang-btn.active {
    color: var(--accent);
    font-weight: 600;
}
.lang-btn:disabled { opacity: 0.4; cursor: wait; }

.main-nav {
    display: flex;
    align-items: center;
    gap: clamp(10px, 2.5vw, 22px);
    flex-wrap: wrap;
}
.main-nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: clamp(0.78rem, 1.9vw, 0.88rem);
    font-weight: 500;
    transition: color 0.2s;
    white-space: nowrap;
}
.main-nav a:hover { color: var(--text); }
.main-nav a.active {
    color: var(--accent);
    font-weight: 600;
}

/* ── Layout ── */
main {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    padding: clamp(32px, 6vw, 56px) clamp(16px, 4vw, 24px);
}

.site-footer {
    text-align: center;
    color: var(--text-muted);
    font-size: clamp(0.75rem, 2vw, 0.8rem);
    padding: clamp(28px, 6vw, 40px) clamp(16px, 4vw, 24px);
    border-top: 1px solid var(--border);
    margin-top: 8px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

/* ── Home ── */
.home-hero {
    text-align: center;
    margin-bottom: clamp(48px, 8vw, 72px);
}

.home-logo {
    width: min(320px, 78vw);
    margin: 0 auto clamp(28px, 5vw, 40px);
    display: block;
    filter: drop-shadow(0 8px 32px rgba(0, 0, 0, 0.45));
}

.home-tagline {
    font-size: clamp(1.35rem, 4vw, 1.85rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 14px;
    color: var(--text);
}

.home-tagline em {
    font-style: normal;
    color: var(--accent);
}

.home-lead {
    color: var(--text-muted);
    font-size: clamp(0.95rem, 2.4vw, 1.05rem);
    max-width: 52ch;
    margin: 0 auto;
    line-height: 1.65;
}

.section-label {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 20px;
    text-align: center;
}

.about-block {
    text-align: center;
    max-width: 58ch;
    margin: 0 auto clamp(48px, 8vw, 64px);
    color: var(--text-muted);
    font-size: clamp(0.92rem, 2.2vw, 1rem);
    line-height: 1.7;
}

.pillars {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
    gap: clamp(14px, 3vw, 20px);
    margin-bottom: clamp(48px, 8vw, 72px);
}

.pillar-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: clamp(22px, 4vw, 28px);
    text-align: center;
}

.pillar-card h3 {
    color: var(--accent);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}

.pillar-card p {
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.55;
}

/* ── Product grid ── */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
    gap: clamp(14px, 3vw, 20px);
}

.product-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: clamp(20px, 4vw, 26px);
    text-decoration: none;
    color: inherit;
    transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
    min-width: 0;
}
.product-card:hover {
    border-color: rgba(184, 58, 92, 0.45);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.25);
}

.product-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.product-card p {
    color: var(--text-muted);
    font-size: 0.88rem;
    line-height: 1.5;
    flex: 1;
    margin-bottom: 14px;
}

.product-card .card-arrow {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--accent);
}

/* ── Badges ── */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 12px;
    width: fit-content;
}
.badge-available {
    background: var(--accent-soft);
    color: var(--accent);
}
.badge-dev {
    background: rgba(201, 162, 39, 0.15);
    color: var(--badge-dev);
}
.badge-soon {
    background: rgba(107, 107, 122, 0.2);
    color: var(--badge-soon);
}
.badge-tool {
    background: rgba(74, 126, 184, 0.15);
    color: var(--badge-tool);
}

/* ── Product pages ── */
.page-hero {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: clamp(24px, 5vw, 40px);
    align-items: center;
    margin-bottom: clamp(40px, 8vw, 64px);
}

.page-hero h1 {
    font-size: clamp(1.75rem, 5vw, 2.4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 14px;
}

.page-hero .lead {
    color: var(--text-muted);
    font-size: clamp(0.95rem, 2.4vw, 1.05rem);
    line-height: 1.65;
    margin-bottom: 24px;
    max-width: 54ch;
}

.preview-box {
    background: var(--bg-surface);
    border: 1px solid rgba(184, 58, 92, 0.3);
    border-radius: var(--radius);
    aspect-ratio: 16 / 10;
    min-height: 160px;
    width: 100%;
    overflow: hidden;
    box-shadow: 0 0 24px var(--accent-glow);
}
.preview-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}
.preview-box picture {
    display: block;
    width: 100%;
    height: 100%;
}
.preview-box.contain img { object-fit: contain; padding: 16px; }

.btn-primary {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    padding: 12px 22px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: clamp(0.9rem, 2vw, 1rem);
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
    max-width: 100%;
    text-align: center;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--accent-glow);
}
.btn-primary:disabled,
.btn-primary.disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    pointer-events: none;
}

.btn-outline {
    display: inline-block;
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
    padding: 12px 22px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: clamp(0.9rem, 2vw, 1rem);
    text-decoration: none;
    transition: background 0.2s;
}
.btn-outline:hover { background: var(--accent-soft); }

.note-muted {
    color: var(--text-muted);
    font-size: 0.82rem;
    margin-top: 14px;
    line-height: 1.5;
    max-width: 48ch;
}

.features-section { margin-bottom: clamp(40px, 8vw, 64px); }

.features-title {
    font-size: clamp(1.15rem, 3vw, 1.4rem);
    font-weight: 700;
    margin-bottom: clamp(18px, 4vw, 24px);
    letter-spacing: -0.02em;
    text-align: center;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
    gap: clamp(14px, 3vw, 20px);
}

.feature-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: clamp(20px, 4vw, 28px);
    text-align: center;
}
.feature-card h3 {
    color: var(--accent);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 10px;
}
.feature-card p {
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.55;
}

/* ── Discussion (Kios) ── */
.discussion-title {
    font-size: clamp(1.25rem, 3.5vw, 1.6rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}
.discussion-subtitle {
    color: var(--text-muted);
    font-size: clamp(0.88rem, 2.4vw, 0.95rem);
    margin-bottom: 24px;
    line-height: 1.6;
    max-width: 60ch;
}

.form-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: clamp(20px, 4vw, 28px);
    margin-bottom: 28px;
}
.form-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.form-group label {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
}
input, textarea {
    width: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 12px 16px;
    color: var(--text);
    font-family: inherit;
    font-size: 16px;
    transition: border-color 0.2s;
}
input:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
}
textarea { resize: vertical; min-height: 100px; }

.btn-submit {
    width: fit-content;
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
    padding: 12px 22px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.92rem;
    cursor: pointer;
    transition: background 0.2s;
}
.btn-submit:hover { background: var(--accent-soft); }

.comment-list { display: flex; flex-direction: column; gap: 12px; }
.comment-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: clamp(16px, 3vw, 22px);
}
.comment-author {
    font-weight: 600;
    color: var(--accent);
    font-size: 0.92rem;
    margin-bottom: 6px;
}
.comment-text {
    color: var(--text);
    font-size: 0.95rem;
    word-break: break-word;
    margin-bottom: 6px;
}
.btn-translate-comment {
    background: none;
    border: none;
    padding: 0;
    font-family: inherit;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--accent);
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 3px;
}
.btn-translate-comment:disabled { opacity: 0.5; cursor: wait; }
.comments-empty-msg {
    color: var(--text-muted);
    font-size: 0.92rem;
    text-align: center;
    padding: 1.5rem;
    border: 1px dashed var(--border);
    border-radius: var(--radius);
}

/* ── Teaser (Haven) ── */
.teaser-box {
    text-align: center;
    padding: clamp(40px, 8vw, 64px) clamp(20px, 4vw, 32px);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    max-width: 520px;
    margin: 0 auto;
}
.teaser-box h1 { margin-bottom: 16px; }
.teaser-box p {
    color: var(--text-muted);
    line-height: 1.65;
    margin-bottom: 8px;
}

/* ── Responsive ── */
@media (max-width: 992px) {
    .page-hero { grid-template-columns: 1fr; }
    .preview-box { order: -1; max-height: 280px; }
}

@media (max-width: 768px) {
    :root { --header-h: 56px; --lang-bar-h: auto; }
    body { padding-top: 0; }
    .site-header { position: relative; }
    .header-top { min-height: 56px; }
    .nav-toggle { display: block; }
    .main-nav {
        display: none;
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        width: 100%;
        padding: 8px clamp(16px, 4vw, 40px) 12px;
        border-top: 1px solid var(--border);
    }
    .main-nav.open { display: flex; }
    .main-nav a {
        display: block;
        width: 100%;
        padding: 14px 0;
        border-bottom: 1px solid var(--border);
    }
    .main-nav a:last-child { border-bottom: none; }
    .lang-bar {
        justify-content: center;
        padding: 10px clamp(12px, 3vw, 24px) 14px;
    }
    .lang-switcher {
        justify-content: center;
        gap: 8px;
        font-size: 0.78rem;
    }
    .lang-sep { display: none; }
    .lang-btn {
        padding: 12px 14px;
        min-height: 44px;
        min-width: 44px;
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: 8px;
    }
    .lang-btn.active {
        background: var(--accent-soft);
        border-color: rgba(184, 58, 92, 0.45);
    }
    main { padding-top: 24px; }
}

@media (max-width: 400px) {
    .lang-switcher { font-size: 0.72rem; gap: 6px; }
    .lang-btn { padding: 10px 12px; min-width: 40px; }
    .btn-submit, .btn-primary { width: 100%; }
}

@supports (padding: max(0px)) {
    .header-top {
        padding-left: max(16px, env(safe-area-inset-left));
        padding-right: max(16px, env(safe-area-inset-right));
    }
    .lang-bar {
        padding-left: max(16px, env(safe-area-inset-left));
        padding-right: max(16px, env(safe-area-inset-right));
        padding-bottom: max(10px, env(safe-area-inset-bottom));
    }
}