/* ═══════════════════════════════════════════════════════════
   BridgeLink · 乾端工业信号设计系统
   ═══════════════════════════════════════════════════════════ */

:root {
    --ink: #050506;
    --void: #0a0a0c;
    --steel: #12141a;
    --steel-mid: #1a1d26;
    --steel-light: #242833;
    --border: rgba(232, 228, 220, 0.08);
    --border-strong: rgba(255, 176, 32, 0.35);

    --paper: #e8e4dc;
    --paper-dim: #a39e94;
    --paper-ghost: #6b6660;

    --signal: #ffb020;
    --signal-hot: #ff6a00;
    --signal-glow: rgba(255, 176, 32, 0.25);
    --link: #3dd68c;
    --link-dim: rgba(61, 214, 140, 0.15);
    --danger: #ff4757;

    --font-display: "Outfit", "Noto Sans SC", sans-serif;
    --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    --font-mono: "IBM Plex Mono", "Consolas", monospace;

    --topbar-h: 38px;
    --header-h: 72px;
    --shell-h: calc(var(--topbar-h) + var(--header-h));
    --enterprise: #2a6fd4;
    --enterprise-dim: rgba(42, 111, 212, 0.12);
    --radius: 14px;
    --radius-sm: 8px;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--ink);
    color: var(--paper);
    font-family: var(--font-body);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

body.nav-open { overflow: hidden; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }

.mono { font-family: var(--font-mono); }
.text-accent { color: var(--signal); }
.text-link { color: var(--signal); font-weight: 600; }
.text-link:hover { color: var(--signal-hot); }

.container {
    width: min(1180px, 92vw);
    margin: 0 auto;
}

/* ── Ambient ── */
.grain {
    pointer-events: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    opacity: 0.035;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.grid-bg {
    pointer-events: none;
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,176,32,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,176,32,0.03) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black, transparent);
}

/* ── Top bar ── */
.site-topbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 101;
    height: var(--topbar-h);
    background: linear-gradient(90deg, rgba(18, 20, 26, 0.98) 0%, rgba(26, 29, 38, 0.98) 100%);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
}

.topbar-inner {
    display: flex;
    align-items: center;
    gap: 14px;
    height: var(--topbar-h);
    font-size: 0.76rem;
    color: var(--paper-ghost);
}

.topbar-tag {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--signal);
    padding: 3px 10px;
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    background: rgba(255, 176, 32, 0.06);
    flex-shrink: 0;
}

.topbar-divider {
    width: 1px;
    height: 14px;
    background: var(--border);
    flex-shrink: 0;
}

.topbar-inner > span:not(.topbar-tag):not(.topbar-divider) {
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.topbar-cta {
    flex-shrink: 0;
    font-weight: 600;
    color: var(--signal);
    transition: color 0.2s;
}

.topbar-cta:hover { color: var(--signal-hot); }

/* ── Header ── */
.site-header {
    position: fixed;
    top: var(--topbar-h); left: 0; right: 0;
    z-index: 100;
    height: var(--header-h);
    transition: background 0.4s var(--ease), border-color 0.4s;
    border-bottom: 1px solid transparent;
}

.site-header.scrolled {
    background: rgba(5, 5, 6, 0.88);
    backdrop-filter: blur(16px) saturate(1.2);
    border-bottom-color: var(--border);
}

.header-shell {
    display: flex;
    align-items: center;
    gap: 32px;
    height: var(--header-h);
}

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

.brand-icon {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    background: rgba(255, 176, 32, 0.08);
    border: 1px solid var(--border-strong);
    border-radius: 10px;
    overflow: hidden;
    padding: 2px;
}

.brand-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 7px;
}

.brand-copy {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.brand-copy strong {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.brand-copy small {
    font-size: 0.68rem;
    color: var(--paper-dim);
    letter-spacing: 0.06em;
}

.site-nav {
    display: flex;
    gap: 6px;
    margin-left: auto;
}

.site-nav a {
    padding: 8px 14px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--paper-dim);
    border-radius: var(--radius-sm);
    transition: color 0.2s, background 0.2s;
}

.site-nav a:hover,
.site-nav a.active {
    color: var(--paper);
    background: rgba(255, 255, 255, 0.04);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.live-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--paper-ghost);
    letter-spacing: 0.04em;
}

.live-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--link);
    box-shadow: 0 0 8px var(--link);
    animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 40px;
    height: 40px;
    margin-left: auto;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: transparent;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    margin: 0 auto;
    background: var(--paper);
    transition: transform 0.3s var(--ease);
}

.nav-toggle.open span:first-child { transform: translateY(4px) rotate(45deg); }
.nav-toggle.open span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 22px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.2s var(--ease), box-shadow 0.2s, background 0.2s;
    white-space: nowrap;
}

.btn:hover { transform: translateY(-1px); }
.btn-lg { padding: 14px 28px; font-size: 0.95rem; }
.btn-sm { padding: 7px 14px; font-size: 0.82rem; }

.btn-accent {
    background: linear-gradient(135deg, var(--signal) 0%, var(--signal-hot) 100%);
    color: var(--ink);
    box-shadow: 0 4px 24px var(--signal-glow);
}

.btn-accent:hover { box-shadow: 0 8px 32px var(--signal-glow); }

.btn-outline {
    background: transparent;
    border-color: var(--border);
    color: var(--paper);
}

.btn-outline:hover {
    border-color: var(--border-strong);
    background: rgba(255, 176, 32, 0.06);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--border);
    color: var(--paper-dim);
}

/* ── Hero ── */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding-top: var(--shell-h);
}

#hero-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 1;
    z-index: 1;
    display: block;
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    pointer-events: none;
}

.hero-glow-a {
    width: 500px; height: 500px;
    top: -10%; right: -5%;
    background: rgba(255, 106, 0, 0.12);
}

.hero-glow-b {
    width: 400px; height: 400px;
    bottom: 10%; left: -10%;
    background: rgba(61, 214, 140, 0.08);
}

.hero-overlay {
    position: relative;
    z-index: 2;
    flex: 1;
    display: flex;
    align-items: center;
    background:
        radial-gradient(ellipse 75% 60% at 68% 42%, rgba(255, 176, 32, 0.06), transparent 55%),
        radial-gradient(ellipse 55% 45% at 20% 50%, rgba(61, 214, 140, 0.04), transparent 50%),
        linear-gradient(180deg, rgba(5, 5, 6, 0.08) 0%, rgba(5, 5, 6, 0.55) 100%);
}

.hero-inner {
    position: relative;
    z-index: 3;
    width: 100%;
    padding: 48px 0 80px;
}

.hero-inner-overlay {
    width: min(880px, 100%);
}

.hero-inner-overlay .hero-copy {
    width: 100%;
    max-width: none;
    padding: 28px 36px 36px;
    background: linear-gradient(135deg, rgba(5, 5, 6, 0.78) 0%, rgba(5, 5, 6, 0.48) 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    backdrop-filter: blur(12px);
}

.hero-copy { max-width: none; }

.chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.chip {
    padding: 5px 12px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--paper-dim);
    border: 1px solid var(--border);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.02);
}

.chip-signal {
    color: var(--signal);
    border-color: var(--border-strong);
    background: rgba(255, 176, 32, 0.08);
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.6rem, 5.5vw, 4.2rem);
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}

.hero-line { display: block; }
.hero-accent {
    background: linear-gradient(90deg, var(--signal), var(--signal-hot));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-lead {
    font-size: 1.05rem;
    color: var(--paper-dim);
    line-height: 1.75;
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 48px;
}

.hero-metrics {
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
    gap: 20px;
    width: 100%;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}

.hero-metrics > div {
    flex: 0 0 auto;
    min-width: 0;
}

.hero-metrics dt {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--signal);
    line-height: 1;
    margin-bottom: 4px;
}

.hero-metrics dd {
    font-size: 0.78rem;
    color: var(--paper-ghost);
    white-space: nowrap;
}

/* Signal panel */
.hero-visual { display: flex; justify-content: flex-end; }

.signal-panel {
    width: 100%;
    max-width: 440px;
    background: rgba(18, 20, 26, 0.85);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    backdrop-filter: blur(12px);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
    animation: float-panel 6s ease-in-out infinite;
}

@keyframes float-panel {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.signal-panel-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--steel-mid);
    border-bottom: 1px solid var(--border);
    font-size: 0.75rem;
}

.status-ok {
    color: var(--link);
    font-family: var(--font-mono);
    font-size: 0.7rem;
}

.signal-flow { padding: 20px; }

.node-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--paper-ghost);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 10px;
}

.node ul li {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.85rem;
}

.node .tag { color: var(--paper-dim); }
.node .val { font-family: var(--font-mono); color: var(--paper); }
.node .val.ok { color: var(--link); }

.flow-bridge {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 16px 0;
}

.flow-line {
    flex: 1;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--signal), transparent);
    animation: flow-pulse 2s ease infinite;
}

@keyframes flow-pulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}

.flow-hub {
    padding: 6px 14px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--ink);
    background: var(--signal);
    border-radius: 999px;
    white-space: nowrap;
}

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 4;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    font-size: 0.72rem;
    color: var(--paper-ghost);
    letter-spacing: 0.1em;
    animation: bob 2s ease infinite;
}

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

/* ── Marquee ── */
.marquee-section { padding: 0; border-block: 1px solid var(--border); background: var(--void); }

.marquee { overflow: hidden; padding: 18px 0; }

.marquee-track {
    display: flex;
    gap: 48px;
    width: max-content;
    animation: marquee 30s linear infinite;
}

.marquee-track span {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--paper-ghost);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    white-space: nowrap;
}

.marquee-track span::before {
    content: "◆";
    margin-right: 48px;
    color: var(--signal);
    font-size: 0.5rem;
    vertical-align: middle;
}

@keyframes marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* ── Sections ── */
.section { padding: 96px 0; }

.section-dark {
    background: var(--void);
    border-block: 1px solid var(--border);
}

.section-head {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    margin-bottom: 48px;
}

.section-index {
    font-size: 0.85rem;
    color: var(--signal);
    padding-top: 6px;
}

.section-head h2 {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.section-head p,
.lead {
    color: var(--paper-dim);
    font-size: 1.02rem;
    max-width: 520px;
}

/* Bento grid */
.bento {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    align-items: stretch;
}

.bento-item {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 168px;
    padding: 28px;
    background: var(--steel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: border-color 0.3s, transform 0.3s var(--ease);
}

.bento-item:hover {
    border-color: var(--border-strong);
    transform: translateY(-2px);
}

.bento-wide { grid-column: span 2; }

.bento-icon {
    flex-shrink: 0;
    font-size: 1.4rem;
    color: var(--signal);
    margin-bottom: 16px;
}

.bento-item h3 {
    flex-shrink: 0;
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.bento-item p {
    flex: 1;
    font-size: 0.92rem;
    color: var(--paper-dim);
    line-height: 1.7;
    margin: 0;
}

.bento-tags,
.bento-action {
    flex-shrink: 0;
    margin-top: auto;
    padding-top: 18px;
}

.bento-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.bento-tags span {
    padding: 4px 10px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--link);
    background: var(--link-dim);
    border-radius: 4px;
}

.bento-action {
    display: inline-block;
    font-size: 0.9rem;
    font-weight: 600;
}

/* Timeline */
.split-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.split-block h2 {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    font-weight: 700;
    line-height: 1.15;
    margin: 12px 0 16px;
}

.timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.timeline li {
    position: relative;
    padding: 24px 0 24px 32px;
    border-left: 2px solid var(--border);
}

.timeline li:last-child { border-left-color: transparent; }

.timeline li::before {
    content: "";
    position: absolute;
    left: -5px;
    top: 28px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--signal);
    box-shadow: 0 0 12px var(--signal-glow);
}

.timeline-step {
    display: block;
    font-size: 0.72rem;
    color: var(--signal);
    margin-bottom: 6px;
}

.timeline strong {
    display: block;
    font-family: var(--font-display);
    font-size: 1.05rem;
    margin-bottom: 6px;
}

.timeline p {
    font-size: 0.9rem;
    color: var(--paper-dim);
}

/* CTA */
.cta-section { padding: 64px 0 96px; }

.cta-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 32px;
    padding: 48px 56px;
    background: linear-gradient(135deg, var(--steel) 0%, var(--steel-mid) 100%);
    border: 1px solid var(--border-strong);
    border-radius: calc(var(--radius) + 4px);
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: "";
    position: absolute;
    top: -50%; right: -20%;
    width: 400px; height: 400px;
    background: radial-gradient(circle, var(--signal-glow), transparent 70%);
    pointer-events: none;
}

.cta-card h2 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.cta-card p { color: var(--paper-dim); }

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    flex-shrink: 0;
}

/* ── Page hero (inner pages) ── */
.page-hero {
    padding: calc(var(--shell-h) + 64px) 0 48px;
    position: relative;
    overflow: hidden;
}

.page-hero::after {
    content: "";
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
}

.page-hero-inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 32px;
}

.page-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 12px;
}

.page-hero .lead { max-width: 480px; }

.page-badge {
    padding: 8px 16px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--signal);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    background: rgba(255, 176, 32, 0.06);
}

/* ── Cards & panels ── */
.panel {
    background: var(--steel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
}

.panel-featured {
    border-color: var(--border-strong);
    box-shadow: 0 0 48px rgba(255, 176, 32, 0.06);
}

.panel h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.panel p, .panel li {
    font-size: 0.92rem;
    color: var(--paper-dim);
}

.panel ul { padding-left: 0; }
.panel li {
    position: relative;
    padding: 6px 0 6px 20px;
}

.panel li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--signal);
    font-size: 0.8rem;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

/* Product architecture diagram */
.arch-diagram {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 48px;
}

.arch-node {
    padding: 24px 16px;
    text-align: center;
    background: var(--steel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    position: relative;
}

.arch-node:not(:last-child)::after {
    content: "→";
    position: absolute;
    right: -18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--signal);
    font-size: 1.2rem;
    z-index: 1;
}

.arch-node strong {
    display: block;
    font-family: var(--font-display);
    font-size: 0.95rem;
    margin-bottom: 6px;
}

.arch-node span {
    font-size: 0.78rem;
    color: var(--paper-ghost);
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 880px;
    margin: 0 auto;
}

.price-card {
    padding: 36px 32px;
    background: var(--steel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    position: relative;
}

.price-card.featured {
    border-color: var(--border-strong);
    background: linear-gradient(160deg, var(--steel) 0%, rgba(255, 176, 32, 0.06) 100%);
}

.price-card.featured::before {
    content: "推荐";
    position: absolute;
    top: 20px; right: 20px;
    padding: 4px 10px;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--ink);
    background: var(--signal);
    border-radius: 4px;
}

.tier {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--paper-ghost);
    margin-bottom: 8px;
}

.price-card h2 {
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--signal);
    line-height: 1;
    margin-bottom: 4px;
}

.price-card .tax {
    font-size: 0.85rem;
    color: var(--paper-ghost);
    margin-bottom: 24px;
}

.price-card ul { margin-bottom: 28px; }

.price-card li {
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.92rem;
    color: var(--paper-dim);
}

.price-card li strong { color: var(--paper); }

/* Download */
.download-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 24px;
    align-items: center;
    padding: 32px;
    background: var(--steel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 16px;
    transition: border-color 0.3s;
}

.download-card:hover { border-color: var(--border-strong); }

.download-icon {
    width: 56px;
    height: 56px;
    display: grid;
    place-items: center;
    font-size: 1.6rem;
    background: var(--link-dim);
    border-radius: 12px;
    color: var(--link);
}

.download-info h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    margin-bottom: 6px;
}

.download-info p {
    font-size: 0.88rem;
    color: var(--paper-dim);
}

.install-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 48px;
}

.install-step {
    padding: 24px;
    background: var(--steel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.install-step .step-num {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--signal);
    margin-bottom: 8px;
}

.install-step strong {
    display: block;
    font-family: var(--font-display);
    margin-bottom: 8px;
}

.install-step p {
    font-size: 0.85rem;
    color: var(--paper-dim);
}

/* Activate split layout */
.activate-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.activate-info h2 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    margin-bottom: 16px;
}

.activate-info p {
    color: var(--paper-dim);
    margin-bottom: 24px;
    font-size: 0.95rem;
}

.activate-steps li {
    display: flex;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}

.activate-steps .num {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: grid;
    place-items: center;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--signal);
    border: 1px solid var(--border-strong);
    border-radius: 6px;
}

.activate-steps strong {
    display: block;
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.activate-steps span {
    font-size: 0.85rem;
    color: var(--paper-dim);
}

/* Forms */
.form .field { margin-bottom: 20px; }

.form label {
    display: block;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--paper-dim);
    margin-bottom: 8px;
}

.form input,
.form select,
.form textarea {
    width: 100%;
    padding: 13px 16px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--paper);
    background: var(--void);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form input:focus,
.form select:focus,
.form textarea:focus {
    outline: none;
    border-color: var(--border-strong);
    box-shadow: 0 0 0 3px var(--signal-glow);
}

.form input::placeholder { color: var(--paper-ghost); }

.form button { margin-top: 8px; width: 100%; }

.validation,
.field-error {
    display: block;
    padding: 10px 14px;
    margin-top: 8px;
    font-size: 0.82rem;
    color: var(--danger);
    background: rgba(255, 71, 87, 0.1);
    border: 1px solid rgba(255, 71, 87, 0.3);
    border-radius: var(--radius-sm);
}

.validation {
    margin-bottom: 16px;
}

.field-error {
    padding: 8px 12px;
}

.narrow { max-width: 520px; margin: 0 auto; }

/* Support tiers */
.support-hero {
    text-align: center;
    max-width: 560px;
    margin: 0 auto 48px;
}

.support-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.support-card {
    padding: 36px 32px;
    background: var(--steel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.support-card.featured {
    border-color: var(--border-strong);
    background: linear-gradient(160deg, var(--steel), rgba(255, 176, 32, 0.05));
}

.support-card .tier-label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--paper-ghost);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.support-card h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.support-card li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.92rem;
    color: var(--paper-dim);
}

.support-card li:last-child { border-bottom: none; }
.support-card li strong { color: var(--paper); }

/* Success / admin */
.success-card {
    text-align: center;
    padding: 56px 40px;
    max-width: 520px;
    margin: 0 auto;
}

.success-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
    display: grid;
    place-items: center;
    font-size: 1.8rem;
    color: var(--link);
    background: var(--link-dim);
    border-radius: 50%;
}

.success-card h1 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    margin-bottom: 12px;
}

.success-card p {
    color: var(--paper-dim);
    margin-bottom: 28px;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--steel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    font-size: 0.88rem;
}

.admin-table th {
    padding: 14px 16px;
    text-align: left;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--paper-ghost);
    background: var(--steel-mid);
    border-bottom: 1px solid var(--border);
}

.admin-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    color: var(--paper-dim);
}

.admin-table code {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--signal);
}

.admin-table tr:last-child td { border-bottom: none; }

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.admin-header h1 {
    font-family: var(--font-display);
    font-size: 1.6rem;
}

/* ── Footer ── */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 64px 0 32px;
    background: var(--void);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-tagline {
    margin-top: 16px;
    font-size: 0.92rem;
    color: var(--paper-dim);
    max-width: 280px;
}

.footer-col h4 {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--paper-ghost);
    margin-bottom: 16px;
}

.footer-col a,
.footer-col span {
    display: block;
    font-size: 0.88rem;
    color: var(--paper-dim);
    padding: 4px 0;
    transition: color 0.2s;
}

.footer-col a:hover { color: var(--signal); }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    font-size: 0.78rem;
    color: var(--paper-ghost);
}

/* ── Pro sections (Kepware-style) ── */
.section-pro { padding: 100px 0; }
.section-alt {
    padding: 100px 0;
    background: var(--void);
    border-block: 1px solid var(--border);
}

.pro-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 32px;
    margin-bottom: 56px;
}

.pro-head-compact { margin-bottom: 40px; }

.pro-eyebrow {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--signal);
    margin-bottom: 12px;
}

.pro-head-main h2 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3.5vw, 2.4rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 12px;
}

.pro-head-main p {
    font-size: 1rem;
    color: var(--paper-dim);
    max-width: 560px;
    line-height: 1.7;
}

.pro-head-link {
    flex-shrink: 0;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--paper-dim);
    padding-bottom: 4px;
    border-bottom: 1px solid var(--border);
    transition: color 0.2s, border-color 0.2s;
}

.pro-head-link:hover {
    color: var(--signal);
    border-color: var(--border-strong);
}

/* Product matrix */
.product-matrix {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: stretch;
}

.matrix-card {
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg, rgba(26, 29, 38, 0.9) 0%, rgba(18, 20, 26, 0.95) 100%);
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) + 4px);
    overflow: hidden;
    transition: transform 0.35s var(--ease), box-shadow 0.35s, border-color 0.35s;
}

.matrix-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 176, 32, 0.2);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255, 176, 32, 0.08);
}

.matrix-card-featured {
    border-color: rgba(255, 176, 32, 0.28);
    box-shadow: 0 16px 48px rgba(255, 176, 32, 0.08);
}

.matrix-card-visual {
    position: relative;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.matrix-visual-studio {
    background:
        radial-gradient(circle at 30% 40%, rgba(42, 111, 212, 0.35), transparent 55%),
        linear-gradient(135deg, rgba(18, 20, 26, 0.2) 0%, rgba(42, 111, 212, 0.15) 100%);
}

.matrix-visual-runtime {
    background:
        radial-gradient(circle at 70% 30%, rgba(255, 176, 32, 0.4), transparent 50%),
        linear-gradient(135deg, rgba(255, 106, 0, 0.12) 0%, rgba(255, 176, 32, 0.2) 100%);
}

.matrix-visual-scale {
    background:
        radial-gradient(circle at 50% 60%, rgba(61, 214, 140, 0.25), transparent 55%),
        linear-gradient(135deg, rgba(18, 20, 26, 0.2) 0%, rgba(61, 214, 140, 0.12) 100%);
}

.matrix-icon {
    width: 72px;
    height: 72px;
    color: var(--paper);
    opacity: 0.85;
}

.matrix-icon svg { width: 100%; height: 100%; }

.matrix-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 12px;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--paper-dim);
    background: rgba(5, 5, 6, 0.55);
    border: 1px solid var(--border);
    border-radius: 999px;
    backdrop-filter: blur(8px);
}

.matrix-card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 28px 28px 32px;
}

.matrix-card-body h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.matrix-card-body > p {
    font-size: 0.88rem;
    color: var(--paper-dim);
    line-height: 1.7;
    margin-bottom: 20px;
}

.matrix-features {
    flex: 1;
    margin: 0 0 24px;
    padding: 0;
    list-style: none;
}

.matrix-features li {
    position: relative;
    padding: 7px 0 7px 22px;
    font-size: 0.84rem;
    color: var(--paper-dim);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.matrix-features li:last-child { border-bottom: none; }

.matrix-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--link);
    font-size: 0.75rem;
    font-weight: 700;
}

.matrix-cta { align-self: flex-start; }

/* Driver grid */
.driver-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}

.driver-tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 10px;
    padding: 28px 16px 24px;
    background: var(--steel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: transform 0.3s var(--ease), border-color 0.3s, box-shadow 0.3s;
}

.driver-tile:hover {
    transform: translateY(-4px);
    border-color: var(--border-strong);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

.driver-logo {
    width: 56px;
    height: 56px;
    display: grid;
    place-items: center;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 800;
    border-radius: 14px;
    letter-spacing: -0.02em;
}

.driver-tile strong {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--paper);
}

.driver-tile > span:last-child {
    font-size: 0.72rem;
    color: var(--paper-ghost);
    line-height: 1.4;
}

.driver-siemens .driver-logo { background: rgba(0, 153, 153, 0.18); color: #00b3b3; border: 1px solid rgba(0, 179, 179, 0.3); }
.driver-opc .driver-logo { background: rgba(42, 111, 212, 0.18); color: #4d8fef; border: 1px solid rgba(77, 143, 239, 0.3); }
.driver-ab .driver-logo { background: rgba(255, 48, 48, 0.15); color: #ff5555; border: 1px solid rgba(255, 85, 85, 0.3); }
.driver-modbus .driver-logo { background: rgba(255, 176, 32, 0.15); color: var(--signal); border: 1px solid var(--border-strong); }
.driver-mitsubishi .driver-logo { background: rgba(230, 0, 18, 0.15); color: #ff4d5a; border: 1px solid rgba(255, 77, 90, 0.3); }
.driver-omron .driver-logo { background: rgba(0, 102, 204, 0.15); color: #3399ff; border: 1px solid rgba(51, 153, 255, 0.3); }

/* Hotline band */
.hotline-band {
    padding: 28px 0;
    background: linear-gradient(90deg, rgba(255, 176, 32, 0.12) 0%, rgba(42, 111, 212, 0.1) 50%, rgba(255, 176, 32, 0.08) 100%);
    border-block: 1px solid rgba(255, 176, 32, 0.15);
}

.hotline-band-dark {
    background: linear-gradient(90deg, var(--steel) 0%, var(--steel-mid) 50%, var(--steel) 100%);
    border-block-color: var(--border);
}

.hotline-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.hotline-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--signal);
    margin-bottom: 4px;
}

.hotline-copy strong {
    font-family: var(--font-display);
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 600;
    letter-spacing: -0.01em;
}

/* Suite cards */
.suite-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.suite-card {
    display: flex;
    flex-direction: column;
    background: var(--steel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform 0.35s var(--ease), box-shadow 0.35s;
}

.suite-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.4);
}

.suite-cover {
    position: relative;
    height: 120px;
    display: flex;
    align-items: flex-end;
    padding: 16px;
}

.suite-manufacturing {
    background:
        linear-gradient(180deg, transparent 30%, rgba(5, 5, 6, 0.85) 100%),
        linear-gradient(135deg, rgba(42, 111, 212, 0.5) 0%, rgba(255, 176, 32, 0.25) 100%);
}

.suite-power {
    background:
        linear-gradient(180deg, transparent 30%, rgba(5, 5, 6, 0.85) 100%),
        linear-gradient(135deg, rgba(255, 176, 32, 0.45) 0%, rgba(255, 106, 0, 0.3) 100%);
}

.suite-building {
    background:
        linear-gradient(180deg, transparent 30%, rgba(5, 5, 6, 0.85) 100%),
        linear-gradient(135deg, rgba(61, 214, 140, 0.35) 0%, rgba(42, 111, 212, 0.3) 100%);
}

.suite-water {
    background:
        linear-gradient(180deg, transparent 30%, rgba(5, 5, 6, 0.85) 100%),
        linear-gradient(135deg, rgba(42, 111, 212, 0.45) 0%, rgba(61, 214, 140, 0.25) 100%);
}

.suite-oil {
    background:
        linear-gradient(180deg, transparent 30%, rgba(5, 5, 6, 0.85) 100%),
        linear-gradient(135deg, rgba(255, 106, 0, 0.35) 0%, rgba(255, 48, 48, 0.2) 100%);
}

.suite-tag {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--paper);
    padding: 4px 10px;
    background: rgba(5, 5, 6, 0.5);
    border: 1px solid var(--border);
    border-radius: 999px;
    backdrop-filter: blur(6px);
}

.suite-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 20px 20px 24px;
}

.suite-cat {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--paper-ghost);
    margin-bottom: 6px;
}

.suite-body h3 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.3;
}

.suite-body p {
    flex: 1;
    font-size: 0.82rem;
    color: var(--paper-dim);
    line-height: 1.65;
    margin-bottom: 14px;
}

/* Capability grid */
.capability-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.capability-card {
    padding: 32px 28px;
    background: linear-gradient(180deg, rgba(26, 29, 38, 0.6) 0%, rgba(18, 20, 26, 0.9) 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: border-color 0.3s, transform 0.3s var(--ease);
}

.capability-card:hover {
    border-color: rgba(255, 176, 32, 0.22);
    transform: translateY(-3px);
}

.capability-icon {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    font-size: 1.4rem;
    margin-bottom: 20px;
    background: rgba(255, 176, 32, 0.08);
    border: 1px solid var(--border-strong);
    border-radius: 12px;
    color: var(--signal);
}

.capability-card h3 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.capability-card p {
    font-size: 0.84rem;
    color: var(--paper-dim);
    line-height: 1.65;
}

/* Case studies */
.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.case-card {
    padding: 32px 28px;
    background: var(--steel);
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) + 2px);
    transition: transform 0.35s var(--ease), border-color 0.35s;
}

.case-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 176, 32, 0.2);
}

.case-meta { margin-bottom: 16px; }

.case-industry {
    display: inline-block;
    padding: 4px 12px;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--signal);
    background: rgba(255, 176, 32, 0.08);
    border: 1px solid var(--border-strong);
    border-radius: 999px;
}

.case-card h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.case-details {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin: 0;
}

.case-details dt {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--paper-ghost);
    margin-bottom: 4px;
}

.case-details dd {
    margin: 0;
    font-size: 0.84rem;
    color: var(--paper-dim);
    line-height: 1.55;
}

/* FAQ */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 820px;
}

.faq-item {
    background: var(--steel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color 0.25s;
}

.faq-item[open] {
    border-color: rgba(255, 176, 32, 0.25);
}

.faq-item summary {
    padding: 20px 24px;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    transition: color 0.2s;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
    content: "+";
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: grid;
    place-items: center;
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--signal);
    background: rgba(255, 176, 32, 0.08);
    border: 1px solid var(--border-strong);
    border-radius: 8px;
    transition: transform 0.25s var(--ease);
}

.faq-item[open] summary::after {
    content: "−";
    transform: rotate(180deg);
}

.faq-item summary:hover { color: var(--signal); }

.faq-item p {
    padding: 0 24px 22px;
    font-size: 0.9rem;
    color: var(--paper-dim);
    line-height: 1.75;
}

.faq-item p a {
    color: var(--signal);
    font-weight: 600;
}

.faq-item p a:hover { color: var(--signal-hot); }

/* ── Reveal animation ── */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── Responsive ── */
@media (max-width: 1200px) {
    .product-matrix { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
    .suite-grid { grid-template-columns: repeat(2, 1fr); }
    .driver-grid { grid-template-columns: repeat(3, 1fr); }
    .capability-grid { grid-template-columns: repeat(2, 1fr); }
    .case-grid { grid-template-columns: 1fr; }
}

@media (max-width: 1024px) {
    .hero-inner,
    .split-block,
    .activate-layout,
    .bento { grid-template-columns: 1fr; }
    .pro-head { flex-direction: column; align-items: flex-start; }
    .bento-wide { grid-column: span 1; }
    .hero-visual { order: -1; }
    .hero-metrics {
        flex-wrap: wrap;
        gap: 20px 24px;
    }
    .arch-diagram { grid-template-columns: repeat(2, 1fr); }
    .arch-node:not(:last-child)::after { display: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .cta-card { flex-direction: column; text-align: center; }
}

@media (max-width: 768px) {
    .site-topbar .topbar-inner > span:not(.topbar-tag):not(.topbar-divider) { display: none; }
    .topbar-divider { display: none; }

    .site-nav {
        position: fixed;
        inset: var(--shell-h) 0 0 0;
        flex-direction: column;
        padding: 24px;
        background: rgba(5, 5, 6, 0.96);
        backdrop-filter: blur(16px);
        transform: translateX(100%);
        transition: transform 0.35s var(--ease);
    }

    .site-nav.open { transform: translateX(0); }
    .site-nav a { padding: 14px 16px; font-size: 1rem; }

    .nav-toggle { display: flex; }
    .header-actions .live-badge { display: none; }
    .pricing-grid,
    .grid-2,
    .grid-3,
    .support-grid,
    .install-steps { grid-template-columns: 1fr; }
    .download-card { grid-template-columns: 1fr; text-align: center; }
    .download-card .btn { width: 100%; }
    .page-hero-inner { flex-direction: column; align-items: flex-start; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; }
    .hero-scroll { display: none; }
    .driver-grid { grid-template-columns: repeat(2, 1fr); }
    .suite-grid { grid-template-columns: 1fr; }
    .capability-grid { grid-template-columns: 1fr; }
    .hotline-inner { flex-direction: column; text-align: center; }
    .section-pro, .section-alt { padding: 72px 0; }
}