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

:root {
    --primary: #66ccff;
    --primary-strong: #2fb7ff;
    --primary-glow: rgba(100, 200, 255, 0.42);
    --accent: #00f5d4;
    --success: #7cf2a7;
    --warning: #f8d477;
    --bg-dark: #070917;
    --bg-deep: #0a0e22;
    --bg-section: rgba(9, 14, 34, 0.94);
    --bg-card: rgba(15, 22, 46, 0.86);
    --bg-card-strong: rgba(19, 30, 58, 0.94);
    --text: #ffffff;
    --text-soft: rgba(255, 255, 255, 0.84);
    --text-dim: rgba(255, 255, 255, 0.66);
    --text-muted: rgba(255, 255, 255, 0.48);
    --border: rgba(120, 205, 255, 0.2);
    --border-strong: rgba(120, 205, 255, 0.38);
    --shadow: 0 22px 70px rgba(2, 7, 22, 0.45);
    --radius: 8px;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    background:
        radial-gradient(circle at 20% 10%, rgba(47, 183, 255, 0.14), transparent 32rem),
        radial-gradient(circle at 80% 0%, rgba(0, 245, 212, 0.08), transparent 26rem),
        var(--bg-dark);
    color: var(--text);
    line-height: 1.65;
    overflow-x: hidden;
}

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

a,
button,
input,
select {
    -webkit-tap-highlight-color: transparent;
}

#canvas {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.38;
}

.site-nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    padding: 0.95rem 3rem;
    background: rgba(7, 9, 23, 0.8);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1240px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    min-width: 0;
}

.brand-logo,
.logo {
    color: var(--primary);
    text-decoration: none;
    font-size: 1.02rem;
    font-weight: 760;
    letter-spacing: 0;
    text-shadow: 0 0 20px var(--primary-glow);
    white-space: nowrap;
}

.brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.62rem;
    color: var(--text);
    min-width: 0;
}

.brand-logo img {
    display: block;
    flex: 0 0 1.65rem;
    width: 1.65rem;
    height: 1.65rem;
    max-width: 1.65rem;
    max-height: 1.65rem;
    object-fit: contain;
    filter: drop-shadow(0 0 16px rgba(102, 204, 255, 0.32));
}

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

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.8rem;
    list-style: none;
    min-width: 0;
}

.nav-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 560;
    transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
}

.nav-cta {
    padding: 0.55rem 0.95rem;
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    background: rgba(102, 204, 255, 0.08);
}

section,
main,
footer {
    position: relative;
    z-index: 1;
}

section {
    padding: 6.5rem 3rem;
}

.container {
    width: min(100%, 1200px);
    margin: 0 auto;
}

.hero,
.page-hero {
    min-height: 88vh;
    display: flex;
    align-items: center;
    padding-top: 7rem;
}

.hero-grid,
.page-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
    align-items: center;
    gap: 3.2rem;
}

.hero-grid {
    grid-template-columns: minmax(0, 0.88fr) minmax(420px, 1.12fr);
}

.home-hero {
    min-height: min(82vh, 760px);
    text-align: center;
}

.hero-centered {
    max-width: 980px;
    margin: 0 auto;
}

.hero-centered h1,
.hero-centered .description {
    margin-left: auto;
    margin-right: auto;
}

.hero-centered .hero-proof,
.hero-centered .cta-group {
    justify-content: center;
}

.eyebrow,
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.45rem 0.85rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: rgba(102, 204, 255, 0.09);
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 680;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

h1,
h2,
h3 {
    line-height: 1.16;
}

h1 {
    font-size: clamp(2.15rem, 4.1vw, 4rem);
    font-weight: 800;
    letter-spacing: 0;
    text-shadow: 0 0 42px rgba(102, 204, 255, 0.18);
    max-width: 900px;
    overflow-wrap: anywhere;
}

.highlight {
    color: var(--accent);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.lead,
.hero .description,
.page-hero .description {
    color: var(--text-soft);
    font-size: 1.02rem;
    line-height: 1.86;
    margin-top: 1.2rem;
    max-width: 760px;
    overflow-wrap: break-word;
}

.subtitle {
    color: var(--text-dim);
    font-size: 1.04rem;
    margin-top: 0.95rem;
}

.hero-proof {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-top: 1.25rem;
}

.hero-proof span {
    display: inline-flex;
    align-items: center;
    min-height: 2rem;
    padding: 0.38rem 0.72rem;
    border: 1px solid rgba(102, 204, 255, 0.18);
    border-radius: 999px;
    color: var(--text-dim);
    background: rgba(8, 13, 31, 0.58);
    font-size: 0.82rem;
    white-space: nowrap;
}

.cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2.1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3rem;
    padding: 0.8rem 1.35rem;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    border: 1px solid transparent;
    cursor: pointer;
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    color: #04111c;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    box-shadow: 0 0 28px rgba(102, 204, 255, 0.26);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 36px rgba(102, 204, 255, 0.26);
}

.btn-outline {
    color: var(--primary);
    border-color: var(--border-strong);
    background: rgba(102, 204, 255, 0.06);
}

.btn-outline:hover {
    transform: translateY(-2px);
    background: rgba(102, 204, 255, 0.12);
}

.product-video-section {
    padding-top: 4rem;
}

.product-stage,
.pricing-stage {
    padding-top: 8.8rem;
}

.product-stage .section-header,
.pricing-stage .section-header {
    margin-bottom: 2.1rem;
}

.product-stage h1,
.pricing-stage h1 {
    font-size: clamp(2rem, 4vw, 3.5rem);
}

.hero-video-card {
    display: grid;
    gap: 1rem;
    width: min(100%, 980px);
    margin: 0 auto;
}

.video-shell {
    position: relative;
    width: 100%;
    min-height: 0;
    aspect-ratio: 16 / 9;
    max-height: min(68vh, 640px);
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background:
        linear-gradient(135deg, rgba(102, 204, 255, 0.16), rgba(0, 245, 212, 0.06)),
        rgba(8, 13, 31, 0.82);
    box-shadow: var(--shadow);
}

.video-shell video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    z-index: 2;
    opacity: 1;
}

.video-caption {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.95rem 1rem;
    border: 1px solid rgba(102, 204, 255, 0.16);
    border-radius: var(--radius);
    background: rgba(8, 13, 31, 0.66);
    color: var(--text-dim);
    font-size: 0.86rem;
    min-width: 0;
}

.video-caption strong {
    color: var(--text-soft);
    font-weight: 620;
    overflow-wrap: break-word;
}

.hero-panel,
.signal-panel,
.pricing-estimate {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background:
        linear-gradient(180deg, rgba(102, 204, 255, 0.1), transparent 42%),
        var(--bg-card);
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
}

.hero-panel {
    min-height: 470px;
    padding: 1.5rem;
    display: grid;
    grid-template-rows: auto 1fr auto;
    gap: 1.25rem;
}

.pricing-summary-panel {
    min-height: 390px;
}

.summary-stack {
    display: grid;
    gap: 0.85rem;
}

.summary-note {
    padding: 1rem;
    border: 1px solid rgba(102, 204, 255, 0.14);
    border-radius: var(--radius);
    background: rgba(7, 12, 29, 0.62);
}

.summary-note h3 {
    color: var(--primary);
    font-size: 1.02rem;
    margin-bottom: 0.45rem;
}

.summary-note p {
    color: var(--text-dim);
    font-size: 0.9rem;
}

.panel-topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    color: var(--text-dim);
    font-size: 0.82rem;
}

.status-dot {
    width: 0.65rem;
    height: 0.65rem;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 16px rgba(124, 242, 167, 0.7);
}

.network-map {
    position: relative;
    min-height: 275px;
    border: 1px solid rgba(102, 204, 255, 0.14);
    border-radius: var(--radius);
    background:
        linear-gradient(rgba(102, 204, 255, 0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(102, 204, 255, 0.07) 1px, transparent 1px);
    background-size: 32px 32px;
    overflow: hidden;
}

.network-line {
    position: absolute;
    height: 1px;
    transform-origin: left center;
    background: linear-gradient(90deg, rgba(102, 204, 255, 0.12), rgba(0, 245, 212, 0.72));
}

.line-a {
    width: 210px;
    left: 26%;
    top: 32%;
    transform: rotate(22deg);
}

.line-b {
    width: 175px;
    left: 36%;
    top: 60%;
    transform: rotate(-28deg);
}

.line-c {
    width: 132px;
    left: 18%;
    top: 67%;
    transform: rotate(-8deg);
}

.node {
    position: absolute;
    width: 4.9rem;
    min-height: 4.9rem;
    display: grid;
    place-items: center;
    text-align: center;
    padding: 0.35rem;
    color: var(--text);
    font-size: 0.78rem;
    font-weight: 720;
    border-radius: 50%;
    border: 1px solid var(--border-strong);
    background: rgba(10, 17, 38, 0.88);
    box-shadow: 0 0 30px rgba(102, 204, 255, 0.18);
}

.node.primary {
    left: 42%;
    top: 35%;
    width: 6rem;
    min-height: 6rem;
    color: #06121f;
    background: linear-gradient(135deg, var(--primary), var(--accent));
}

.node.one {
    left: 14%;
    top: 22%;
}

.node.two {
    right: 12%;
    top: 18%;
}

.node.three {
    left: 18%;
    bottom: 14%;
}

.node.four {
    right: 16%;
    bottom: 12%;
}

.metrics-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

.metric {
    padding: 0.85rem;
    border: 1px solid rgba(102, 204, 255, 0.14);
    border-radius: var(--radius);
    background: rgba(7, 12, 29, 0.72);
    min-width: 0;
}

.metric strong {
    display: block;
    color: var(--accent);
    font-size: 1.15rem;
    line-height: 1.2;
}

.metric span {
    color: var(--text-dim);
    font-size: 0.78rem;
}

.section-header {
    margin-bottom: 3rem;
    max-width: 820px;
    min-width: 0;
}

.section-header.center {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-size: clamp(1.65rem, 2.7vw, 2.45rem);
    font-weight: 790;
    margin-bottom: 0.9rem;
}

.section-header p {
    color: var(--text-dim);
    font-size: 1rem;
    line-height: 1.85;
}

.band {
    background: linear-gradient(180deg, rgba(9, 14, 34, 0.62), rgba(8, 12, 28, 0.95));
}

.compact-intro {
    max-width: 860px;
    text-align: center;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 2.2rem;
}

.split-panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
    gap: 2rem;
    align-items: start;
}

.grid-2,
.grid-3,
.grid-4 {
    display: grid;
    gap: 1rem;
}

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

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

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

.card,
.feature-card,
.pricing-card,
.addon-card,
.insight-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    box-shadow: 0 16px 44px rgba(1, 6, 20, 0.22);
    min-width: 0;
}

.card,
.feature-card,
.insight-card {
    padding: 1.45rem;
}

.feature-card h3,
.card h3,
.insight-card h3 {
    color: var(--primary);
    font-size: 1.12rem;
    margin-bottom: 0.65rem;
}

.feature-card p,
.card p,
.insight-card p {
    color: var(--text-dim);
    font-size: 0.94rem;
}

.scene-card {
    position: relative;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.scene-card.active {
    transform: translateY(-3px);
    border-color: rgba(0, 245, 212, 0.58);
    background:
        linear-gradient(180deg, rgba(0, 245, 212, 0.13), transparent 52%),
        var(--bg-card-strong);
    box-shadow: 0 22px 58px rgba(0, 245, 212, 0.13);
}

.scene-card.active .kicker,
.scene-card.active h3 {
    color: var(--accent);
}

.scene-gallery {
    position: relative;
    margin-top: 1.4rem;
    border: 1px solid rgba(102, 204, 255, 0.18);
    border-radius: var(--radius);
    background:
        linear-gradient(180deg, rgba(102, 204, 255, 0.08), rgba(0, 245, 212, 0.035)),
        rgba(8, 13, 31, 0.72);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.gallery-frame {
    display: grid;
    gap: 0;
}

.gallery-image-wrap {
    display: grid;
    place-items: center;
    width: 100%;
    aspect-ratio: 1672 / 941;
    min-height: 0;
    background: rgba(3, 8, 20, 0.78);
}

.gallery-image-wrap img,
.pricing-gallery-image img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.gallery-caption {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.15rem;
    border-top: 1px solid rgba(102, 204, 255, 0.14);
    background: rgba(4, 9, 22, 0.74);
}

.gallery-caption .kicker {
    margin-bottom: 0;
    flex: 0 0 auto;
}

.gallery-caption h3 {
    font-size: 1.08rem;
    margin-bottom: 0.2rem;
}

.gallery-caption p {
    color: var(--text-dim);
    font-size: 0.9rem;
}

.gallery-nav {
    position: absolute;
    top: 50%;
    z-index: 4;
    display: grid;
    place-items: center;
    width: 2.7rem;
    height: 2.7rem;
    border: 1px solid rgba(102, 204, 255, 0.35);
    border-radius: 999px;
    color: var(--text);
    background: rgba(5, 10, 24, 0.72);
    backdrop-filter: blur(12px);
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    opacity: 0;
    transform: translateY(-50%);
    transition: opacity 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.gallery-nav:hover,
.gallery-nav:focus-visible {
    border-color: rgba(0, 245, 212, 0.62);
    background: rgba(0, 245, 212, 0.18);
    outline: none;
}

.gallery-prev {
    left: 1rem;
}

.gallery-next {
    right: 1rem;
}

.scene-gallery:hover .gallery-nav,
.scene-gallery:focus-within .gallery-nav {
    opacity: 1;
}

.pricing-gallery-block {
    margin-top: 3rem;
}

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

.pricing-gallery-card {
    border: 1px solid rgba(102, 204, 255, 0.18);
    border-radius: var(--radius);
    background: rgba(8, 13, 31, 0.68);
    overflow: hidden;
    box-shadow: 0 16px 44px rgba(1, 6, 20, 0.2);
    transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.pricing-gallery-card:hover {
    transform: translateY(-2px);
    border-color: rgba(0, 245, 212, 0.42);
    box-shadow: 0 20px 54px rgba(0, 245, 212, 0.1);
}

.pricing-gallery-image {
    display: grid;
    place-items: center;
    width: 100%;
    border: 0;
    padding: 0;
    aspect-ratio: 1672 / 941;
    background: rgba(3, 8, 20, 0.78);
    cursor: zoom-in;
}

.pricing-gallery-image:focus-visible {
    outline: 2px solid rgba(0, 245, 212, 0.78);
    outline-offset: -2px;
}

.preview-open {
    overflow: hidden;
}

.gallery-lightbox[hidden] {
    display: none;
}

.gallery-lightbox {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: grid;
    place-items: center;
    padding: clamp(1rem, 3vw, 2.4rem);
    background: rgba(2, 6, 16, 0.82);
    backdrop-filter: blur(18px);
}

.gallery-lightbox-panel {
    position: relative;
    display: grid;
    grid-template-rows: minmax(0, 1fr) auto;
    width: min(1180px, 100%);
    max-height: calc(100vh - 2rem);
    border: 1px solid rgba(102, 204, 255, 0.28);
    border-radius: var(--radius);
    background: rgba(6, 12, 28, 0.96);
    box-shadow: 0 32px 90px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.gallery-lightbox-image {
    display: grid;
    place-items: center;
    min-height: 0;
    background: rgba(2, 6, 16, 0.88);
}

.gallery-lightbox-image img {
    display: block;
    max-width: 100%;
    max-height: min(72vh, 760px);
    object-fit: contain;
}

.gallery-lightbox-caption {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.15rem;
    border-top: 1px solid rgba(102, 204, 255, 0.14);
}

.gallery-lightbox-caption .kicker {
    margin-bottom: 0;
}

.gallery-lightbox-close {
    position: absolute;
    top: 0.85rem;
    right: 0.85rem;
    z-index: 2;
    display: grid;
    place-items: center;
    width: 2.45rem;
    height: 2.45rem;
    border: 1px solid rgba(102, 204, 255, 0.34);
    border-radius: 999px;
    color: var(--text);
    background: rgba(5, 10, 24, 0.78);
    backdrop-filter: blur(10px);
    font-size: 1.55rem;
    line-height: 1;
    cursor: pointer;
}

.gallery-lightbox-close:hover,
.gallery-lightbox-close:focus-visible {
    border-color: rgba(0, 245, 212, 0.66);
    background: rgba(0, 245, 212, 0.18);
    outline: none;
}

.pricing-gallery-card figcaption {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.9rem 1rem;
    border-top: 1px solid rgba(102, 204, 255, 0.12);
}

.pricing-gallery-card figcaption span {
    display: inline-grid;
    place-items: center;
    width: 2rem;
    height: 2rem;
    color: #06121f;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    font-size: 0.8rem;
    font-weight: 800;
}

.pricing-gallery-card figcaption strong {
    font-size: 0.98rem;
}

.kicker {
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 760;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 0.65rem;
}

.flow {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 0.8rem;
}

.flow-step {
    min-height: 168px;
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: rgba(14, 22, 46, 0.86);
}

.flow-step .num {
    display: inline-grid;
    place-items: center;
    width: 2rem;
    height: 2rem;
    color: #06121f;
    font-weight: 800;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    margin-bottom: 0.8rem;
}

.flow-step h3 {
    font-size: 0.98rem;
    margin-bottom: 0.4rem;
}

.flow-step p {
    color: var(--text-dim);
    font-size: 0.83rem;
    line-height: 1.65;
}

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

.scenario-tabs {
    display: flex;
    justify-content: center;
    gap: 0.65rem;
    margin-bottom: 1.4rem;
    padding: 0.45rem;
    border: 1px solid rgba(102, 204, 255, 0.14);
    border-radius: 999px;
    background: rgba(5, 10, 24, 0.58);
}

.scenario-tab {
    min-height: 2.7rem;
    padding: 0.6rem 1.1rem;
    border: 1px solid transparent;
    border-radius: 999px;
    color: var(--text-dim);
    background: transparent;
    font: inherit;
    font-size: 0.92rem;
    font-weight: 720;
    cursor: pointer;
    transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.scenario-tab:hover,
.scenario-tab.active {
    color: #04111c;
    border-color: rgba(102, 204, 255, 0.4);
    background: linear-gradient(135deg, var(--primary), var(--accent));
}

.scenario-panel {
    display: none;
}

.scenario-panel.active {
    display: block;
}

.scenario-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 1.5rem;
    margin-bottom: 1.4rem;
    padding: 1.4rem;
    border: 1px solid rgba(102, 204, 255, 0.14);
    border-radius: var(--radius);
    background: rgba(8, 13, 31, 0.62);
}

.scenario-header h3 {
    font-size: clamp(1.35rem, 2.4vw, 2rem);
    margin-bottom: 0.65rem;
}

.scenario-header p {
    color: var(--text-dim);
    max-width: 760px;
}

.scenario-pricing-grid {
    margin-bottom: 3rem;
}

.feature-value-block {
    margin-top: 1.5rem;
}

.feature-matrix {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    background: rgba(8, 13, 31, 0.62);
}

.feature-row-card {
    min-height: 142px;
    padding: 1.2rem;
    border-right: 1px solid rgba(102, 204, 255, 0.12);
    border-bottom: 1px solid rgba(102, 204, 255, 0.12);
}

.feature-row-card h3 {
    color: var(--primary);
    font-size: 1rem;
    margin-bottom: 0.45rem;
}

.feature-row-card p {
    color: var(--text-dim);
    font-size: 0.9rem;
}

.scenario-notes {
    display: grid;
    gap: 0.45rem;
    margin-top: 1.4rem;
}

.pricing-card {
    padding: 1.55rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    min-width: 0;
}

.pricing-card.featured {
    border-color: rgba(0, 245, 212, 0.46);
    background:
        linear-gradient(180deg, rgba(0, 245, 212, 0.11), transparent 36%),
        var(--bg-card-strong);
}

.pricing-card h3 {
    font-size: 1.22rem;
}

.price {
    color: var(--text);
    font-size: 2rem;
    font-weight: 820;
    line-height: 1.15;
    overflow-wrap: anywhere;
}

.price small {
    color: var(--text-dim);
    font-size: 0.9rem;
    font-weight: 560;
}

.pricing-card p {
    color: var(--text-dim);
    font-size: 0.93rem;
}

.check-list,
.plain-list {
    list-style: none;
}

.check-list li,
.plain-list li {
    color: var(--text-soft);
    font-size: 0.9rem;
    padding: 0.45rem 0;
    border-top: 1px solid rgba(102, 204, 255, 0.1);
}

.check-list li::before {
    content: "";
    display: inline-block;
    width: 0.46rem;
    height: 0.46rem;
    margin-right: 0.55rem;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 10px rgba(0, 245, 212, 0.6);
}

.calculator {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
    gap: 1rem;
    align-items: stretch;
}

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

.field {
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: rgba(10, 17, 38, 0.74);
}

.field label {
    display: block;
    color: var(--text-dim);
    font-size: 0.84rem;
    margin-bottom: 0.45rem;
}

.field input,
.field select {
    width: 100%;
    min-height: 2.7rem;
    border: 1px solid rgba(102, 204, 255, 0.26);
    border-radius: var(--radius);
    background: rgba(3, 8, 20, 0.82);
    color: var(--text);
    padding: 0.65rem 0.75rem;
    font: inherit;
}

.pricing-estimate {
    padding: 1.35rem;
}

.estimate-total {
    margin: 0.8rem 0 1.1rem;
    color: var(--accent);
    font-size: 2rem;
    font-weight: 830;
}

.estimate-row {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.55rem 0;
    border-top: 1px solid rgba(102, 204, 255, 0.12);
    color: var(--text-soft);
    font-size: 0.92rem;
    min-width: 0;
}

.estimate-row span,
.estimate-row strong {
    min-width: 0;
    overflow-wrap: anywhere;
}

.estimate-row span:first-child {
    color: var(--text-dim);
}

.note {
    color: var(--text-muted);
    font-size: 0.82rem;
    line-height: 1.7;
}

.cta-band {
    padding: 4rem 3rem;
    background: linear-gradient(135deg, rgba(102, 204, 255, 0.14), rgba(0, 245, 212, 0.08));
}

.cta-panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 2rem;
    padding: 2rem;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    background: rgba(8, 13, 31, 0.78);
}

.cta-panel h2 {
    font-size: clamp(1.55rem, 3vw, 2.3rem);
    margin-bottom: 0.6rem;
}

.cta-panel p {
    color: var(--text-dim);
}

footer {
    padding: 3rem;
    border-top: 1px solid var(--border);
    background: rgba(5, 8, 19, 0.94);
    text-align: center;
}

footer .tagline {
    color: var(--text-dim);
    margin: 0.75rem 0 1rem;
}

footer .copyright {
    color: var(--text-muted);
    font-size: 0.82rem;
}

.footer-brand {
    display: inline-flex;
    align-items: baseline;
    gap: 0.45rem;
    color: var(--text);
    text-decoration: none;
    font-size: 1.05rem;
    font-weight: 760;
}

.footer-brand span {
    color: var(--primary);
    font-size: 0.88rem;
}

body.modal-open {
    overflow: hidden;
}

.quote-modal {
    position: fixed;
    inset: 0;
    z-index: 300;
    display: grid;
    place-items: center;
    padding: 1.4rem;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.18s ease, visibility 0.18s ease;
}

.quote-modal.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.quote-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(2, 6, 17, 0.78);
    backdrop-filter: blur(10px);
}

.quote-dialog {
    position: relative;
    z-index: 1;
    display: grid;
    justify-items: center;
    width: min(100%, 430px);
    max-height: min(92vh, 720px);
    overflow-y: auto;
    padding: 1.6rem;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    background:
        linear-gradient(180deg, rgba(102, 204, 255, 0.14), transparent 44%),
        rgba(8, 13, 31, 0.98);
    box-shadow: 0 28px 90px rgba(0, 0, 0, 0.5);
    text-align: center;
}

.quote-dialog h2 {
    margin: 0.5rem 0 0.55rem;
    font-size: 1.55rem;
}

.quote-dialog-copy {
    color: var(--text-dim);
    font-size: 0.94rem;
    line-height: 1.7;
}

.quote-close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.35rem;
    height: 2.35rem;
    border: 1px solid rgba(120, 205, 255, 0.24);
    border-radius: 999px;
    background: rgba(3, 8, 20, 0.72);
    color: var(--text);
    font-weight: 760;
    cursor: pointer;
}

.quote-close:hover,
.quote-close:focus-visible {
    border-color: var(--border-strong);
    background: rgba(102, 204, 255, 0.12);
    outline: none;
}

.quote-qr-frame {
    width: min(100%, 300px);
    margin: 1.1rem auto 0.9rem;
    padding: 0.65rem;
    border-radius: var(--radius);
    background: #fff;
}

.quote-qr-frame img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 4px;
}

.quote-contact-line {
    color: var(--text-soft);
    font-size: 0.9rem;
    overflow-wrap: anywhere;
}

@media (max-width: 1080px) {
    .hero-grid,
    .page-hero-grid,
    .calculator,
    .cta-panel,
    .split-panel,
    .scenario-header {
        grid-template-columns: 1fr;
    }

    .grid-4,
    .flow,
    .value-grid,
    .feature-matrix,
    .pricing-gallery-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .pricing-grid,
    .grid-3 {
        grid-template-columns: 1fr;
    }

    .video-shell {
        max-height: 560px;
    }

    .home-hero {
        min-height: auto;
        padding-bottom: 5rem;
    }

    .page-hero {
        min-height: auto;
    }

    .scenario-header {
        align-items: start;
    }
}

@media (max-width: 760px) {
    .site-nav {
        padding: 0.85rem 1rem;
    }

    .nav-container {
        align-items: center;
        gap: 0.8rem;
    }

    .nav-links {
        display: none;
    }

    .brand-logo img {
        flex-basis: 1.65rem;
        width: 1.65rem;
        height: 1.65rem;
        max-width: 1.65rem;
        max-height: 1.65rem;
    }

    .brand-logo span {
        font-size: 0.98rem;
    }

    section {
        padding: 4.25rem 1.1rem;
    }

    .hero,
    .page-hero {
        min-height: auto;
        padding-top: 6.1rem;
    }

    .home-hero {
        padding-bottom: 3.4rem;
    }

    .hero-grid,
    .page-hero-grid {
        gap: 2rem;
    }

    h1 {
        font-size: clamp(2rem, 9vw, 2.65rem);
        line-height: 1.12;
    }

    .section-header {
        margin-bottom: 2rem;
    }

    .section-header h2 {
        font-size: clamp(1.45rem, 7vw, 2rem);
    }

    .hero .description,
    .page-hero .description {
        font-size: 0.95rem;
        line-height: 1.72;
    }

    .hero-proof {
        justify-content: center;
        gap: 0.5rem;
    }

    .hero-proof span {
        white-space: normal;
        text-align: center;
    }

    .cta-group {
        width: 100%;
        gap: 0.75rem;
    }

    .cta-group .btn {
        flex: 1 1 100%;
        width: 100%;
        white-space: normal;
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .product-video-section {
        padding-top: 3rem;
    }

    .product-stage,
    .pricing-stage {
        padding-top: 6.5rem;
    }

    .video-shell {
        aspect-ratio: 16 / 9;
        max-height: none;
    }

    .video-caption {
        display: grid;
        padding: 0.85rem;
    }

    .scenario-tabs {
        justify-content: flex-start;
        overflow-x: auto;
        border-radius: var(--radius);
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .scenario-tabs::-webkit-scrollbar {
        display: none;
    }

    .scenario-tab {
        flex: 0 0 auto;
    }

    .feature-matrix,
    .value-grid,
    .pricing-gallery-grid {
        grid-template-columns: 1fr;
    }

    .scene-gallery {
        margin-top: 1rem;
    }

    .gallery-caption {
        display: grid;
        padding: 0.9rem;
    }

    .gallery-nav {
        opacity: 1;
        width: 2.45rem;
        height: 2.45rem;
        font-size: 1.65rem;
    }

    .gallery-prev {
        left: 0.6rem;
    }

    .gallery-next {
        right: 0.6rem;
    }

    .hero-panel {
        min-height: auto;
        padding: 1rem;
    }

    .network-map {
        min-height: 230px;
    }

    .node {
        width: 4.1rem;
        min-height: 4.1rem;
        font-size: 0.68rem;
    }

    .node.primary {
        width: 5rem;
        min-height: 5rem;
    }

    .metrics-strip,
    .grid-2,
    .grid-4,
    .flow,
    .calculator-form {
        grid-template-columns: 1fr;
    }

    .cta-band {
        padding: 3rem 1.25rem;
    }

    .cta-panel {
        padding: 1.25rem;
    }

    .quote-dialog {
        padding: 1.25rem;
    }

    .quote-qr-frame {
        width: min(100%, 280px);
    }
}

@media (max-width: 420px) {
    .site-nav {
        padding: 0.72rem 0.85rem;
    }

    .brand-logo {
        gap: 0.48rem;
    }

    .brand-logo span {
        font-size: 0.92rem;
    }

    section {
        padding-left: 0.95rem;
        padding-right: 0.95rem;
    }

    .hero,
    .page-hero {
        padding-top: 5.7rem;
    }

    .hero-badge,
    .eyebrow {
        max-width: 100%;
        white-space: normal;
        justify-content: center;
        text-align: center;
        line-height: 1.35;
    }

    h1 {
        font-size: clamp(1.85rem, 10vw, 2.35rem);
    }

    .price,
    .estimate-total {
        font-size: 1.65rem;
    }

    .pricing-card,
    .card,
    .feature-card,
    .insight-card {
        padding: 1.1rem;
    }
}