:root {
    --page: #f6f8fb;
    --page-2: #eef3f8;
    --ink: #111827;
    --ink-soft: #334155;
    --muted: #64748b;
    --surface: rgba(255, 255, 255, 0.9);
    --surface-strong: #ffffff;
    --line: rgba(15, 23, 42, 0.1);
    --line-strong: rgba(15, 23, 42, 0.18);
    --accent: #0f766e;
    --accent-strong: #0b5f59;
    --warm: #f59e0b;
    --blue: #2563eb;
    --dark: #0c1117;
    --dark-2: #121a24;
    --shadow: 0 24px 70px rgba(15, 23, 42, 0.12);
    --shadow-soft: 0 16px 44px rgba(15, 23, 42, 0.08);
    --container: 1280px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    color: var(--ink);
    background:
        linear-gradient(rgba(15, 23, 42, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 23, 42, 0.035) 1px, transparent 1px),
        linear-gradient(180deg, #ffffff 0%, var(--page) 40%, var(--page-2) 100%);
    background-size: 48px 48px, 48px 48px, auto;
    font-family: Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
textarea,
select {
    font: inherit;
}

button {
    cursor: pointer;
}

code {
    padding: 2px 6px;
    border: 1px solid var(--line);
    border-radius: 6px;
    color: var(--accent-strong);
    background: rgba(15, 118, 110, 0.08);
}

.site-shell {
    min-height: 100vh;
}

.site-header,
.site-main {
    width: min(var(--container), calc(100% - 40px));
    margin: 0 auto;
}

.site-header {
    padding: 18px 0 0;
    position: sticky;
    top: 0;
    z-index: 30;
}

.header-inner {
    min-height: 70px;
    padding: 12px 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    border: 1px solid rgba(255, 255, 255, 0.78);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.82);
    box-shadow: 0 12px 34px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(18px);
    transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}

.header-inner.is-scrolled {
    border-color: var(--line);
    box-shadow: 0 18px 46px rgba(15, 23, 42, 0.12);
}

.brand,
.site-nav,
.header-actions,
.hero-actions,
.hero-stats,
.footer-links,
.cta-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.brand {
    min-width: 0;
}

.brand-mark {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    color: #fff;
    background: linear-gradient(135deg, var(--dark), #223041);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.14), 0 12px 26px rgba(15, 23, 42, 0.22);
    font-weight: 800;
}

.brand-text {
    overflow: hidden;
    max-width: 220px;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 17px;
    font-weight: 800;
}

.site-nav {
    padding: 6px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(248, 250, 252, 0.8);
}

.site-nav a,
.site-nav button,
.footer-links a,
.text-link {
    color: var(--muted);
    font-size: 14px;
    transition: color 0.2s ease, background 0.2s ease;
}

.site-nav button,
.contact-link {
    border: 0;
    background: transparent;
}

.site-nav a,
.site-nav button {
    padding: 8px 10px;
    border-radius: 7px;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav button:hover,
.site-nav button:focus-visible,
.footer-links a:hover,
.footer-links a:focus-visible,
.footer-links button:hover,
.footer-links button:focus-visible,
.text-link:hover,
.text-link:focus-visible {
    color: var(--ink);
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav button:hover,
.site-nav button:focus-visible {
    background: #fff;
}

.primary-btn,
.ghost-btn,
.text-link,
.demo-toggle,
.demo-steps button,
.product-toolbar button {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 700;
    line-height: 1;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.primary-btn,
.ghost-btn {
    padding: 0 18px;
}

.primary-btn {
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    box-shadow: 0 14px 30px rgba(15, 118, 110, 0.22);
}

.ghost-btn {
    color: var(--ink);
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.84);
}

.text-link {
    min-height: 32px;
    padding: 0;
}

.primary-btn:hover,
.ghost-btn:hover,
.demo-toggle:hover,
.demo-steps button:hover,
.product-toolbar button:hover {
    transform: translateY(-1px);
}

.primary-btn:focus-visible,
.ghost-btn:focus-visible,
.site-nav a:focus-visible,
.site-nav button:focus-visible,
.demo-toggle:focus-visible,
.demo-steps button:focus-visible,
.product-toolbar button:focus-visible {
    outline: 3px solid rgba(15, 118, 110, 0.22);
    outline-offset: 2px;
}

.site-main {
    padding: 22px 0 54px;
}

.notice-card,
.hero-section,
.enterprise-scenes,
.mission-section,
.content-section,
.demo-section,
.cta-section,
.site-footer {
    position: relative;
}

.notice-card {
    padding: 14px 16px;
    border: 1px solid rgba(255, 255, 255, 0.82);
    border-radius: 8px;
    background: var(--surface);
    box-shadow: var(--shadow-soft);
}

.notice-card p {
    margin: 10px 0 0;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.8;
}

.notice-label,
.eyebrow {
    min-height: 28px;
    padding: 0 10px;
    display: inline-flex;
    align-items: center;
    border: 1px solid rgba(15, 118, 110, 0.16);
    border-radius: 8px;
    color: var(--accent-strong);
    background: rgba(15, 118, 110, 0.08);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero-section {
    min-height: min(700px, calc(100vh - 112px));
    margin-top: 18px;
    overflow: hidden;
    display: grid;
    grid-template-columns: minmax(360px, 0.72fr) minmax(600px, 1.28fr);
    grid-template-areas: "copy product";
    gap: 22px;
    align-items: center;
    padding: 28px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 8px;
    color: #fff;
    background:
        linear-gradient(120deg, rgba(8, 13, 20, 0.98) 0%, rgba(13, 21, 31, 0.93) 45%, rgba(15, 118, 110, 0.55) 100%),
        linear-gradient(180deg, var(--dark), var(--dark-2));
    box-shadow: var(--shadow);
    isolation: isolate;
}

.hero-section::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
        linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 42px 42px;
    mask-image: linear-gradient(90deg, #000 0%, rgba(0, 0, 0, 0.84) 55%, rgba(0, 0, 0, 0.38) 100%);
}

.hero-section::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: radial-gradient(circle at var(--spotlight-x, 72%) var(--spotlight-y, 34%), rgba(255, 255, 255, 0.18), transparent 24%);
    opacity: 0.7;
    pointer-events: none;
}

.mesh-line {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.32), transparent);
    transform-origin: center;
    opacity: 0.5;
}

.mesh-line-a {
    width: 520px;
    right: -80px;
    top: 120px;
    transform: rotate(-18deg);
}

.mesh-line-b {
    width: 440px;
    right: 150px;
    bottom: 110px;
    transform: rotate(16deg);
}

.mesh-line-c {
    width: 280px;
    left: 40px;
    bottom: 70px;
    transform: rotate(-8deg);
}

.hero-content {
    position: relative;
    z-index: 2;
    grid-area: copy;
    max-width: 520px;
}

.hero-content h1,
.section-heading h2,
.demo-copy h2,
.cta-copy h2 {
    margin: 14px 0 0;
    font-size: 58px;
    line-height: 1.04;
    font-weight: 850;
}

.hero-content h1 {
    max-width: 13.5ch;
    font-size: 50px;
}

.hero-content p,
.section-heading p,
.demo-copy p,
.capability-card p,
.workflow-card p,
.cta-copy p {
    color: var(--muted);
    font-size: 15px;
    line-height: 1.8;
}

.hero-content p {
    max-width: 52ch;
    margin: 18px 0 0;
    color: rgba(226, 232, 240, 0.82);
}

.hero-actions {
    margin-top: 22px;
}

.hero-flow {
    margin-top: 18px;
    padding: 10px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.055);
}

.hero-flow span {
    min-height: 30px;
    padding: 0 10px;
    display: inline-flex;
    align-items: center;
    border-radius: 7px;
    color: rgba(226, 232, 240, 0.86);
    background: rgba(255, 255, 255, 0.08);
    font-size: 12px;
    font-weight: 800;
}

.hero-flow i {
    width: 22px;
    height: 1px;
    display: inline-flex;
    background: rgba(52, 211, 153, 0.48);
}

.hero-section .ghost-btn {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.08);
}

.hero-stats {
    margin-top: 22px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.stat-card {
    min-height: 94px;
    padding: 15px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(12px);
    transform-style: preserve-3d;
}

.stat-card strong {
    display: block;
    color: #fff;
    font-size: 28px;
}

.stat-card span {
    display: block;
    margin-top: 8px;
    color: rgba(226, 232, 240, 0.72);
    font-size: 13px;
}

.hero-product {
    position: relative;
    z-index: 2;
    grid-area: product;
    align-self: stretch;
    min-height: 580px;
    display: block;
    transform: none;
}

.hero-media-card {
    position: absolute;
    inset: 0;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 8px;
    background: #07111a;
    box-shadow: 0 42px 110px rgba(0, 0, 0, 0.36);
}

.hero-media-card img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center;
    opacity: 0.92;
    transform: scale(1.01);
}

.hero-media-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(7, 17, 26, 0.18), rgba(7, 17, 26, 0.34)),
        linear-gradient(180deg, rgba(7, 17, 26, 0), rgba(7, 17, 26, 0.58));
    pointer-events: none;
}

.hero-media-badge {
    position: absolute;
    left: 18px;
    top: 18px;
    z-index: 2;
    padding: 10px 12px;
    display: grid;
    gap: 4px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 8px;
    background: rgba(7, 17, 26, 0.66);
    backdrop-filter: blur(12px);
}

.hero-media-badge strong {
    color: #fff;
    font-size: 13px;
}

.hero-media-badge span {
    color: rgba(226, 232, 240, 0.7);
    font-size: 12px;
}

.product-frame,
.demo-player {
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 8px;
    background: rgba(12, 17, 23, 0.76);
    box-shadow: 0 36px 90px rgba(0, 0, 0, 0.28);
    backdrop-filter: blur(18px);
}

.product-frame {
    width: 100%;
    min-height: 500px;
}

.hero-product .product-frame {
    position: absolute;
    right: 18px;
    bottom: 18px;
    width: min(74%, 620px);
    min-height: 360px;
    background: rgba(12, 17, 23, 0.78);
}

.product-topbar,
.demo-screen-head {
    min-height: 54px;
    padding: 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(226, 232, 240, 0.82);
    font-size: 13px;
}

.product-topbar em {
    min-height: 26px;
    padding: 0 9px;
    display: inline-flex;
    align-items: center;
    border-radius: 8px;
    color: #bbf7d0;
    background: rgba(34, 197, 94, 0.12);
    font-style: normal;
}

.window-dots {
    display: inline-flex;
    gap: 7px;
}

.window-dots i {
    width: 10px;
    height: 10px;
    display: block;
    border-radius: 50%;
}

.window-dots i:nth-child(1) {
    background: #fb7185;
}

.window-dots i:nth-child(2) {
    background: #f59e0b;
}

.window-dots i:nth-child(3) {
    background: #34d399;
}

.product-body {
    display: grid;
    grid-template-columns: 136px minmax(0, 1fr);
    min-height: 446px;
}

.hero-product .product-body {
    grid-template-columns: 112px minmax(0, 1fr);
    min-height: 306px;
}

.product-sidebar {
    padding: 16px;
    display: grid;
    align-content: start;
    gap: 10px;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.04);
}

.product-sidebar span {
    min-height: 42px;
    padding: 0 12px;
    display: inline-flex;
    align-items: center;
    border-radius: 8px;
    color: rgba(226, 232, 240, 0.68);
    font-size: 13px;
}

.product-sidebar .is-active {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.product-main {
    padding: 18px;
    display: grid;
    align-content: start;
    gap: 14px;
}

.hero-product .product-main {
    padding: 14px;
    gap: 11px;
}

.product-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.product-toolbar span {
    color: #fff;
    font-size: 18px;
    font-weight: 800;
}

.product-toolbar button {
    min-height: 36px;
    padding: 0 12px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.hero-product .product-grid {
    gap: 10px;
}

.file-card {
    min-height: 126px;
    padding: 16px;
    display: grid;
    align-content: space-between;
    gap: 16px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.07);
    transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.hero-product .file-card {
    min-height: 98px;
    padding: 12px;
    gap: 10px;
}

.product-signal-row {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
}

.product-signal-row span {
    min-height: 66px;
    padding: 12px;
    display: grid;
    align-content: center;
    gap: 5px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: rgba(226, 232, 240, 0.64);
    background: rgba(255, 255, 255, 0.055);
    font-size: 12px;
}

.hero-product .product-signal-row span {
    min-height: 54px;
    padding: 10px;
}

.product-signal-row strong {
    color: #fff;
    font-size: 20px;
    line-height: 1;
}

.product-list {
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.045);
}

.product-list > div {
    min-height: 42px;
    padding: 0 14px;
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(88px, 0.72fr) minmax(70px, 0.5fr);
    align-items: center;
    gap: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    color: rgba(226, 232, 240, 0.68);
    font-size: 12px;
}

.hero-product .product-list > div {
    min-height: 34px;
}

.product-list > div:first-child {
    min-height: 36px;
    border-top: 0;
    color: rgba(226, 232, 240, 0.48);
    background: rgba(255, 255, 255, 0.04);
}

.product-list strong,
.product-list em {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.product-list strong {
    color: #fff;
    font-size: 13px;
}

.product-list em {
    width: max-content;
    max-width: 100%;
    padding: 4px 8px;
    border-radius: 6px;
    color: #bbf7d0;
    background: rgba(15, 118, 110, 0.28);
    font-style: normal;
}

.file-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.22);
    background: rgba(255, 255, 255, 0.1);
}

.file-card span {
    width: max-content;
    min-height: 26px;
    padding: 0 9px;
    display: inline-flex;
    align-items: center;
    border-radius: 6px;
    color: #fff;
    font-size: 12px;
    font-weight: 800;
}

.is-doc span {
    background: var(--blue);
}

.is-sheet span {
    background: var(--accent);
}

.is-pdf span {
    background: var(--warm);
}

.file-card strong {
    color: #fff;
    font-size: 16px;
    line-height: 1.45;
}

.file-card em,
.activity-card strong {
    color: rgba(226, 232, 240, 0.68);
    font-size: 13px;
    font-style: normal;
}

.activity-card {
    min-height: 62px;
    padding: 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    color: #fff;
    background: rgba(15, 118, 110, 0.14);
}

.hero-product .activity-card {
    min-height: 50px;
    padding: 0 12px;
}

.activity-card div {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.activity-dot {
    width: 10px;
    height: 10px;
    display: inline-flex;
    border-radius: 50%;
    background: #34d399;
    box-shadow: 0 0 0 6px rgba(52, 211, 153, 0.12);
}

.content-section,
.enterprise-scenes,
.mission-section,
.demo-section,
.cta-section {
    margin-top: 88px;
}

.proof-strip {
    margin-top: 18px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.proof-strip article {
    min-height: 106px;
    padding: 18px;
    border: 1px solid rgba(255, 255, 255, 0.86);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.78);
    box-shadow: var(--shadow-soft);
}

.proof-strip strong {
    display: block;
    color: var(--ink);
    font-size: 22px;
    font-weight: 850;
}

.proof-strip span {
    display: block;
    margin-top: 10px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.6;
}

.enterprise-scenes {
    display: grid;
    grid-template-columns: minmax(280px, 0.62fr) minmax(0, 1.38fr);
    gap: 20px;
    align-items: stretch;
}

.scene-lead,
.scene-card {
    border: 1px solid rgba(255, 255, 255, 0.86);
    border-radius: 8px;
    background: var(--surface);
    box-shadow: var(--shadow-soft);
}

.scene-lead {
    padding: 28px;
    display: grid;
    align-content: end;
    background:
        linear-gradient(160deg, rgba(255, 255, 255, 0.96), rgba(236, 253, 245, 0.7)),
        #fff;
}

.scene-lead h2 {
    margin: 14px 0 0;
    font-size: 38px;
    line-height: 1.16;
}

.scene-lead p {
    margin: 14px 0 0;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.8;
}

.scene-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.scene-card {
    position: relative;
    overflow: hidden;
    min-height: 250px;
    transform-style: preserve-3d;
    background: #0b1220;
}

.scene-card.is-wide {
    grid-column: 1 / -1;
    min-height: 360px;
}

.scene-card img {
    width: 100%;
    height: 100%;
    position: absolute;
    inset: 0;
    display: block;
    object-fit: cover;
    object-position: center;
    transition: transform 0.45s ease, filter 0.45s ease;
}

.scene-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(7, 17, 26, 0.04) 28%, rgba(7, 17, 26, 0.82) 100%),
        linear-gradient(90deg, rgba(7, 17, 26, 0.28), transparent 58%);
}

.scene-card:hover img {
    transform: scale(1.035);
    filter: saturate(1.06) contrast(1.02);
}

.scene-card div {
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 18px;
    z-index: 2;
    color: #fff;
}

.scene-card h3 {
    margin: 0;
    font-size: 24px;
    line-height: 1.25;
}

.scene-card p {
    max-width: 54ch;
    margin: 8px 0 0;
    color: rgba(226, 232, 240, 0.82);
    font-size: 14px;
    line-height: 1.65;
}

.mission-section {
    display: grid;
    grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
    gap: 20px;
    align-items: stretch;
}

.mission-copy,
.mission-stage {
    border: 1px solid rgba(255, 255, 255, 0.86);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.86);
    box-shadow: var(--shadow-soft);
}

.mission-copy {
    padding: 28px;
    background:
        linear-gradient(160deg, rgba(255, 255, 255, 0.96), rgba(236, 253, 245, 0.74)),
        #fff;
}

.mission-copy h2 {
    margin: 14px 0 0;
    font-size: 38px;
    line-height: 1.16;
}

.mission-copy p {
    margin: 14px 0 0;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.8;
}

.mission-status {
    margin-top: 28px;
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    border: 1px solid rgba(15, 118, 110, 0.14);
    border-radius: 8px;
    background: rgba(15, 118, 110, 0.08);
}

.mission-status strong {
    color: var(--accent-strong);
    font-size: 34px;
    line-height: 1;
}

.mission-status span {
    color: var(--ink-soft);
    font-size: 14px;
    font-weight: 800;
}

.mission-stage {
    overflow: hidden;
    display: grid;
    grid-template-rows: minmax(220px, 1fr) auto;
    background:
        linear-gradient(135deg, rgba(12, 17, 23, 0.96), rgba(15, 118, 110, 0.76)),
        var(--dark);
}

.mission-track {
    --mission-progress: 0;
    position: relative;
    padding: 36px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    align-items: center;
}

.mission-track::before,
.mission-track::after {
    content: "";
    position: absolute;
    left: 58px;
    right: 58px;
    top: 50%;
    height: 2px;
    border-radius: 8px;
    transform: translateY(-50%);
}

.mission-track::before {
    background: rgba(255, 255, 255, 0.14);
}

.mission-track::after {
    background: linear-gradient(90deg, var(--accent), #34d399);
    transform: translateY(-50%) scaleX(var(--mission-progress));
    transform-origin: left center;
    transition: transform 0.35s ease;
}

.mission-track button {
    position: relative;
    z-index: 2;
    min-height: 78px;
    padding: 14px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 8px;
    color: rgba(226, 232, 240, 0.8);
    background: rgba(255, 255, 255, 0.08);
    font-weight: 800;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.mission-track button:hover,
.mission-track button.is-active {
    transform: translateY(-2px);
    border-color: rgba(52, 211, 153, 0.42);
    color: #fff;
    background: rgba(15, 118, 110, 0.46);
}

.mission-packet {
    position: absolute;
    left: var(--mission-packet-x, 58px);
    top: calc(50% - 58px);
    z-index: 3;
    min-height: 30px;
    padding: 0 10px;
    display: inline-flex;
    align-items: center;
    border-radius: 7px;
    color: #fff;
    background: var(--blue);
    box-shadow: 0 16px 32px rgba(37, 99, 235, 0.34);
    font-size: 12px;
    font-weight: 850;
    transform: translateX(-50%);
    transition: left 0.35s ease, top 0.35s ease;
}

.mission-panel {
    padding: 22px 24px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px 18px;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(7, 17, 26, 0.54);
}

.mission-panel span {
    color: rgba(226, 232, 240, 0.54);
    font-size: 12px;
    font-weight: 800;
}

.mission-panel h3 {
    margin: 0;
    color: #fff;
    font-size: 24px;
    line-height: 1.25;
}

.mission-panel p {
    grid-column: 1 / 2;
    margin: 0;
    color: rgba(226, 232, 240, 0.76);
    font-size: 14px;
    line-height: 1.7;
}

.mission-panel .primary-btn {
    grid-column: 2;
    grid-row: 1 / span 3;
}

.showcase-section {
    margin-top: 88px;
}

.showcase-grid {
    margin-top: 26px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.showcase-card {
    position: relative;
    overflow: hidden;
    min-height: 0;
    aspect-ratio: 16 / 10;
    border: 1px solid rgba(255, 255, 255, 0.86);
    border-radius: 8px;
    background: #fff;
    box-shadow: var(--shadow-soft);
    transform-style: preserve-3d;
}

.showcase-card.is-large {
    grid-column: 1 / -1;
    grid-row: auto;
    aspect-ratio: 16 / 9;
}

.showcase-card img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center top;
    transition: transform 0.45s ease, filter 0.45s ease;
}

.showcase-card:hover img {
    transform: scale(1.035);
    filter: saturate(1.05) contrast(1.02);
}

.showcase-card::after {
    content: "";
    position: absolute;
    inset: auto 0 0;
    height: 44%;
    background: linear-gradient(180deg, transparent, rgba(12, 17, 23, 0.82));
    pointer-events: none;
}

.showcase-caption {
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 18px;
    z-index: 2;
    color: #fff;
}

.showcase-caption h3 {
    margin: 0;
    font-size: 22px;
    line-height: 1.3;
}

.showcase-caption p {
    max-width: 50ch;
    margin: 8px 0 0;
    color: rgba(226, 232, 240, 0.84);
    font-size: 14px;
    line-height: 1.65;
}

.section-heading,
.demo-copy {
    max-width: 780px;
}

.section-heading h2,
.demo-copy h2,
.cta-copy h2 {
    color: var(--ink);
    font-size: 38px;
    line-height: 1.16;
}

.section-heading p,
.demo-copy p,
.cta-copy p {
    margin: 14px 0 0;
    max-width: 62ch;
}

.capability-grid,
.workflow-grid {
    margin-top: 26px;
    display: grid;
    gap: 16px;
}

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

.capability-card,
.workflow-card,
.cta-section {
    border: 1px solid rgba(255, 255, 255, 0.88);
    border-radius: 8px;
    background: var(--surface);
    box-shadow: var(--shadow-soft);
}

.capability-card {
    min-height: 270px;
    padding: 22px;
    display: grid;
    align-content: start;
    gap: 16px;
    transform-style: preserve-3d;
}

.capability-icon {
    width: 48px;
    height: 48px;
    position: relative;
    display: inline-flex;
    border-radius: 8px;
    background: #ecfdf5;
    border: 1px solid rgba(15, 118, 110, 0.14);
}

.capability-icon::before,
.capability-icon::after {
    content: "";
    position: absolute;
    inset: 13px;
    border: 2px solid var(--accent);
    border-radius: 6px;
}

.capability-icon-share::after {
    inset: 10px 20px 20px 10px;
    transform: translate(9px, 9px);
}

.capability-icon-preview::before {
    inset: 14px 10px;
    border-radius: 50%;
}

.capability-icon-cert::before {
    inset: 9px 12px 15px;
}

.capability-icon-cert::after {
    inset: auto 17px 8px;
    height: 8px;
    border-radius: 8px;
}

.capability-card h3,
.workflow-card h3 {
    margin: 0;
    font-size: 21px;
    line-height: 1.35;
}

.capability-card p,
.workflow-card p {
    margin: 0;
}

.preview-lab {
    margin-top: 88px;
    display: grid;
    grid-template-columns: minmax(280px, 0.74fr) minmax(0, 1.26fr);
    gap: 26px;
    align-items: stretch;
}

.preview-lab-copy {
    padding: 28px;
    border: 1px solid rgba(255, 255, 255, 0.86);
    border-radius: 8px;
    background:
        linear-gradient(160deg, rgba(255, 255, 255, 0.94), rgba(236, 253, 245, 0.72)),
        #fff;
    box-shadow: var(--shadow-soft);
}

.preview-lab-copy h2 {
    margin: 14px 0 0;
    font-size: 38px;
    line-height: 1.16;
}

.preview-lab-copy p {
    margin: 14px 0 0;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.8;
}

.preview-console {
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.86);
    border-radius: 8px;
    background: var(--surface);
    box-shadow: var(--shadow-soft);
}

.preview-console-head {
    min-height: 56px;
    padding: 0 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border-bottom: 1px solid var(--line);
    color: var(--ink);
    font-weight: 800;
}

.preview-console-head em {
    min-height: 28px;
    padding: 0 9px;
    display: inline-flex;
    align-items: center;
    border-radius: 8px;
    color: var(--accent-strong);
    background: rgba(15, 118, 110, 0.08);
    font-size: 12px;
    font-style: normal;
}

.preview-console-body {
    padding: 20px;
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 18px;
}

.preview-phone {
    min-height: 370px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: linear-gradient(180deg, #111827, #1f2937);
    box-shadow: inset 0 0 0 5px rgba(255, 255, 255, 0.04);
}

.phone-bar {
    width: 76px;
    height: 5px;
    margin: 0 auto 16px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.28);
}

.phone-title {
    color: #fff;
    font-size: 14px;
    font-weight: 800;
}

.phone-document {
    min-height: 260px;
    margin-top: 18px;
    padding: 16px;
    display: grid;
    align-content: start;
    gap: 12px;
    border-radius: 8px;
    background: #fff;
}

.phone-document span {
    height: 10px;
    border-radius: 8px;
    background: #e5e7eb;
}

.phone-document span:nth-child(2) {
    width: 70%;
}

.phone-document span:nth-child(3) {
    width: 86%;
}

.phone-document span:nth-child(4) {
    width: 54%;
}

.phone-document strong {
    margin-top: 28px;
    color: var(--accent-strong);
    font-size: 15px;
    line-height: 1.6;
}

.preview-mode-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.preview-mode-grid button {
    min-height: 170px;
    padding: 16px;
    display: grid;
    align-content: start;
    gap: 8px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--ink);
    background: rgba(248, 250, 252, 0.9);
    text-align: left;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.preview-mode-grid button:hover,
.preview-mode-grid button.is-active {
    transform: translateY(-2px);
    border-color: rgba(15, 118, 110, 0.28);
    background: #fff;
    box-shadow: 0 16px 34px rgba(15, 23, 42, 0.08);
}

.preview-mode-grid span {
    width: max-content;
    min-height: 26px;
    padding: 0 8px;
    display: inline-flex;
    align-items: center;
    border-radius: 7px;
    color: #fff;
    background: var(--dark);
    font-size: 12px;
    font-weight: 800;
}

.preview-mode-grid strong {
    font-size: 18px;
}

.preview-mode-grid em {
    color: var(--accent-strong);
    font-size: 13px;
    font-style: normal;
    font-weight: 800;
}

.preview-mode-grid small {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.7;
}

.demo-section {
    display: grid;
    grid-template-columns: minmax(280px, 0.78fr) minmax(0, 1.22fr);
    gap: 26px;
    align-items: center;
}

.demo-player {
    min-height: 470px;
    color: #fff;
}

.demo-video {
    width: 100%;
    height: 100%;
    min-height: 470px;
    display: block;
    object-fit: cover;
    background: var(--dark);
}

.demo-screen {
    min-height: 376px;
}

.demo-screen-head strong {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: #fff;
    font-size: 14px;
}

.demo-screen-body {
    min-height: 322px;
    padding: 28px;
    display: grid;
    grid-template-columns: minmax(220px, 0.9fr) minmax(0, 1.1fr);
    gap: 26px;
    align-items: center;
}

.demo-preview-stack {
    position: relative;
    min-height: 250px;
}

.demo-preview-card {
    position: absolute;
    inset: 0;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.08);
}

.demo-preview-card.is-front {
    z-index: 3;
    padding: 26px;
    display: grid;
    align-content: center;
    gap: 12px;
    background:
        linear-gradient(135deg, rgba(15, 118, 110, 0.72), rgba(37, 99, 235, 0.34)),
        rgba(255, 255, 255, 0.08);
}

.demo-preview-card.is-mid {
    z-index: 2;
    transform: translate(18px, 18px);
    opacity: 0.72;
}

.demo-preview-card.is-back {
    z-index: 1;
    transform: translate(36px, 36px);
    opacity: 0.42;
}

.demo-preview-card span {
    color: #fff;
    font-size: 54px;
    font-weight: 850;
    line-height: 1;
}

.demo-preview-card em {
    color: rgba(226, 232, 240, 0.76);
    font-size: 14px;
    font-style: normal;
}

.demo-text p {
    min-height: 86px;
    margin: 0;
    color: rgba(226, 232, 240, 0.82);
    font-size: 17px;
    line-height: 1.8;
}

.demo-progress {
    height: 8px;
    margin-top: 26px;
    overflow: hidden;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.12);
}

.demo-progress span {
    width: 0%;
    height: 100%;
    display: block;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--accent), #34d399);
    transition: width 0.35s ease;
}

.demo-controls {
    padding: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.demo-toggle {
    flex: 0 0 auto;
    padding: 0 16px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

.demo-steps {
    min-width: 0;
    display: flex;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: none;
}

.demo-steps::-webkit-scrollbar {
    display: none;
}

.demo-steps button {
    min-width: max-content;
    padding: 0 14px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: rgba(226, 232, 240, 0.78);
    background: rgba(255, 255, 255, 0.06);
}

.demo-steps button.is-active {
    color: #fff;
    border-color: rgba(52, 211, 153, 0.42);
    background: rgba(15, 118, 110, 0.5);
}

.security-section {
    margin-top: 88px;
    display: grid;
    grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1.08fr);
    gap: 20px;
}

.security-panel,
.security-list article {
    border: 1px solid rgba(255, 255, 255, 0.86);
    border-radius: 8px;
    background: var(--surface);
    box-shadow: var(--shadow-soft);
}

.security-panel {
    padding: 28px;
}

.security-panel h2 {
    margin: 14px 0 0;
    font-size: 38px;
    line-height: 1.16;
}

.security-panel p,
.security-list p {
    color: var(--muted);
    font-size: 15px;
    line-height: 1.8;
}

.security-meter {
    margin-top: 28px;
    display: grid;
    gap: 12px;
}

.security-meter span {
    height: 12px;
    display: block;
    border-radius: 8px;
    background: linear-gradient(90deg, var(--accent), #34d399);
    box-shadow: 0 10px 22px rgba(15, 118, 110, 0.14);
}

.security-list {
    display: grid;
    gap: 12px;
}

.security-list article {
    padding: 22px;
}

.security-list h3 {
    margin: 0;
    font-size: 20px;
}

.security-list p {
    margin: 10px 0 0;
}

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

.workflow-card {
    padding: 24px;
}

.workflow-card span {
    display: block;
    color: var(--accent);
    font-size: 34px;
    font-weight: 850;
}

.workflow-card h3 {
    margin-top: 18px;
}

.workflow-card p {
    margin-top: 12px;
}

.cta-section {
    padding: 30px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 22px;
    align-items: end;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(236, 253, 245, 0.82)),
        #fff;
}

.site-footer {
    margin-top: 30px;
    padding: 0 4px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.site-footer strong {
    display: block;
    font-size: 16px;
}

.site-footer p {
    margin: 8px 0 0;
    color: var(--muted);
    font-size: 14px;
}

.contact-modal[hidden] {
    display: none;
}

.contact-modal {
    position: fixed;
    inset: 0;
    z-index: 80;
    display: grid;
    place-items: center;
    padding: 24px;
}

.contact-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.62);
    backdrop-filter: blur(10px);
}

.contact-dialog {
    position: relative;
    z-index: 1;
    width: min(420px, 100%);
    padding: 26px;
    border: 1px solid rgba(255, 255, 255, 0.82);
    border-radius: 8px;
    background:
        linear-gradient(160deg, rgba(255, 255, 255, 0.98), rgba(236, 253, 245, 0.84)),
        #fff;
    box-shadow: 0 28px 90px rgba(15, 23, 42, 0.28);
}

.contact-dialog h2 {
    margin: 14px 0 0;
    color: var(--ink);
    font-size: 30px;
    line-height: 1.15;
}

.contact-dialog p {
    margin: 12px 0 0;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.8;
}

.contact-dialog small {
    display: block;
    margin-top: 14px;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.6;
}

.contact-qr-card {
    margin-top: 18px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
}

.contact-qr-card img {
    width: 100%;
    max-height: 320px;
    display: block;
    object-fit: contain;
}

.contact-close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 38px;
    height: 38px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--ink);
    background: rgba(255, 255, 255, 0.88);
    font-size: 22px;
    line-height: 1;
}

body.contact-modal-open {
    overflow: hidden;
}

.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.65s ease, transform 0.65s ease;
}

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

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}

@media (max-width: 1120px) {
    .hero-section,
    .enterprise-scenes,
    .mission-section,
    .demo-section,
    .capability-grid,
    .showcase-grid,
    .preview-lab,
    .preview-console-body,
    .security-section,
    .workflow-grid,
    .proof-strip,
    .cta-section {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero-section {
        min-height: auto;
        grid-template-areas:
            "copy"
            "product";
    }

    .hero-content h1 {
        max-width: 14ch;
    }

    .hero-product {
        min-height: 520px;
        transform: none;
    }

    .hero-product .product-frame {
        width: min(92%, 680px);
    }

    .showcase-card.is-large {
        grid-row: auto;
        grid-column: auto;
        min-height: 0;
    }
}

@media (max-width: 880px) {
    .header-inner {
        display: grid;
        grid-template-columns: minmax(0, 1fr);
    }

    .site-nav {
        order: 3;
        width: 100%;
        justify-content: space-between;
    }

    .header-actions {
        justify-content: flex-start;
    }

    .hero-content h1 {
        font-size: 42px;
    }

    .section-heading h2,
    .scene-lead h2,
    .mission-copy h2,
    .preview-lab-copy h2,
    .security-panel h2,
    .demo-copy h2,
    .cta-copy h2 {
        font-size: 31px;
    }

    .product-body,
    .demo-screen-body {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero-product {
        min-height: auto;
        display: grid;
        gap: 14px;
    }

    .hero-media-card {
        position: relative;
        min-height: 320px;
    }

    .hero-product .product-frame {
        position: relative;
        right: auto;
        bottom: auto;
        width: 100%;
    }

    .mission-track {
        grid-template-columns: minmax(0, 1fr);
        padding-top: 64px;
    }

    .mission-track::before,
    .mission-track::after {
        left: 36px;
        right: auto;
        top: 78px;
        width: 2px;
        height: calc(100% - 126px);
        transform: none;
    }

    .mission-track::after {
        transform: scaleY(var(--mission-progress));
        transform-origin: center top;
    }

    .mission-packet {
        left: 36px;
        top: var(--mission-packet-y, 78px);
        transform: translate(-50%, -50%);
    }

    .mission-panel {
        grid-template-columns: minmax(0, 1fr);
    }

    .mission-panel .primary-btn,
    .mission-panel p {
        grid-column: auto;
        grid-row: auto;
    }

    .product-sidebar {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        border-right: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .product-grid,
    .product-signal-row,
    .scene-grid,
    .preview-mode-grid,
    .hero-stats {
        grid-template-columns: minmax(0, 1fr);
    }

    .showcase-card {
        min-height: 260px;
    }
}

@media (max-width: 640px) {
    .site-header,
    .site-main {
        width: min(100% - 24px, var(--container));
    }

    .site-header {
        padding-top: 12px;
    }

    .site-main {
        padding-top: 18px;
    }

    .header-inner,
    .hero-section,
    .cta-section {
        padding: 16px;
    }

    .site-nav {
        display: none;
    }

    .header-actions,
    .hero-actions,
    .cta-actions {
        width: 100%;
    }

    .header-actions a,
    .hero-actions a,
    .cta-actions a {
        flex: 1 1 100%;
    }

    .hero-content h1 {
        font-size: 34px;
    }

    .section-heading h2,
    .scene-lead h2,
    .mission-copy h2,
    .preview-lab-copy h2,
    .security-panel h2,
    .demo-copy h2,
    .cta-copy h2 {
        font-size: 27px;
    }

    .product-main,
    .demo-screen-body,
    .scene-lead,
    .mission-copy,
    .mission-track,
    .mission-panel,
    .workflow-card,
    .capability-card {
        padding: 18px;
    }

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

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

    .demo-player,
    .demo-video {
        min-height: 0;
    }

    .demo-screen {
        min-height: auto;
    }

    .demo-preview-stack {
        min-height: 210px;
    }

    .demo-controls {
        display: grid;
    }

    .demo-toggle {
        width: 100%;
    }

    .content-section,
    .enterprise-scenes,
    .mission-section,
    .demo-section,
    .showcase-section,
    .preview-lab,
    .security-section,
    .cta-section {
        margin-top: 58px;
    }

    .site-footer {
        display: grid;
    }
}