:root {
    --ink: #111820;
    --muted: #65717d;
    --line: #dce5ec;
    --soft: #f3f6f8;
    --paper: #ffffff;
    --dark: #101820;
    --dark-2: #17242d;
    --dark-3: #22323e;
    --teal: #0f9f8d;
    --teal-dark: #08796f;
    --amber: #f4b63f;
    --orange: #ff8a00;
    --shadow: 0 22px 60px rgba(10, 22, 33, 0.15);
    --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
    margin: 0;
    overflow-x: hidden;
    color: var(--ink);
    background: var(--soft);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 30;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 22px;
    min-height: 74px;
    padding: 12px max(22px, calc((100vw - var(--max)) / 2));
    color: #fff;
    background: rgba(10, 16, 21, 0.78);
    border-bottom: 1px solid rgba(255,255,255,0.12);
    backdrop-filter: blur(18px);
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 1.22rem; font-weight: 900; text-decoration: none; }
.brand img { width: 52px; height: 52px; }
.site-nav { display: flex; align-items: center; gap: 4px; }
.site-nav a { padding: 10px 10px; border-radius: 8px; color: rgba(255,255,255,0.86); font-size: 0.9rem; font-weight: 800; text-decoration: none; }
.site-nav a:hover, .site-nav a:focus-visible { color: #fff; background: rgba(255,255,255,0.12); outline: none; }
.nav-toggle { display: none; width: 44px; height: 44px; border: 1px solid rgba(255,255,255,0.24); border-radius: 8px; background: rgba(255,255,255,0.1); cursor: pointer; }
.nav-toggle span:not(.sr-only) { display: block; width: 18px; height: 2px; margin: 4px auto; background: #fff; }

.section { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; padding: 92px 0; }
.section__intro { max-width: 760px; }
.section__intro--wide { max-width: 980px; }
.eyebrow { margin: 0 0 14px; color: var(--amber); font-size: 0.78rem; font-weight: 900; letter-spacing: 0.12em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 860px; margin-bottom: 24px; color: #fff; font-size: clamp(3rem, 5.15vw, 5rem); line-height: 0.98; letter-spacing: 0; text-wrap: balance; }
h2 { margin-bottom: 18px; font-size: clamp(2rem, 3.4vw, 3.7rem); line-height: 1.04; letter-spacing: 0; text-wrap: balance; }
h3 { margin-bottom: 10px; font-size: 1.16rem; line-height: 1.24; }
p { color: var(--muted); }

.hero { position: relative; display: grid; min-height: 100svh; overflow: hidden; color: #fff; background: #0c1218; }
.hero__image, .hero__overlay { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero__image { object-fit: cover; }
.hero__overlay { background: linear-gradient(90deg, rgba(5,9,13,0.96) 0%, rgba(8,13,18,0.88) 48%, rgba(8,13,18,0.42) 84%), linear-gradient(0deg, rgba(5,9,13,0.8) 0%, rgba(5,9,13,0.05) 48%); }
.hero__inner { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, 390px); align-items: center; gap: 48px; width: min(var(--max), calc(100% - 40px)); min-height: 100svh; margin: 0 auto; padding: 128px 0 66px; }
.hero__content { max-width: 790px; }
.lead { max-width: 780px; color: rgba(255,255,255,0.9); font-size: clamp(1.05rem, 1.45vw, 1.2rem); line-height: 1.66; }
.hero__actions, .contact__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 12px 18px; border: 1px solid transparent; border-radius: 8px; font-weight: 900; text-decoration: none; transition: transform 180ms ease, background 180ms ease, border-color 180ms ease; }
.button:hover, .button:focus-visible { transform: translateY(-2px); outline: none; }
.button--primary { color: #10140d; background: var(--amber); }
.button--primary:hover, .button--primary:focus-visible { background: #ffd06d; }
.button--secondary { color: #fff; background: var(--teal-dark); }
.button--ghost { color: #fff; border-color: rgba(255,255,255,0.35); background: rgba(255,255,255,0.08); }
.button--ghost-dark { color: var(--ink); border-color: var(--line); background: #fff; }
.button[type="submit"] { font-family: inherit; cursor: pointer; }
.hero-note { max-width: 760px; margin: 18px 0 0; color: rgba(255,255,255,0.86); font-weight: 800; }
.module-strip { display: flex; flex-wrap: wrap; gap: 8px; max-width: 820px; margin-top: 20px; }
.module-strip a { padding: 7px 10px; border: 1px solid rgba(255,255,255,0.18); border-radius: 999px; color: rgba(255,255,255,0.9); background: rgba(255,255,255,0.09); font-size: 0.82rem; font-weight: 800; text-decoration: none; transition: background 180ms ease, border-color 180ms ease, transform 180ms ease; }
.module-strip a:hover, .module-strip a:focus-visible { border-color: rgba(255,255,255,0.34); background: rgba(255,255,255,0.16); outline: none; transform: translateY(-1px); }
.hero-panel { display: grid; overflow: hidden; border: 1px solid rgba(255,255,255,0.18); border-radius: 8px; background: rgba(255,255,255,0.12); box-shadow: 0 24px 70px rgba(0,0,0,0.28); backdrop-filter: blur(12px); }
.hero-panel div { padding: 22px; border-bottom: 1px solid rgba(255,255,255,0.16); background: rgba(11,18,24,0.82); }
.hero-panel div:last-child { border-bottom: 0; }
.hero-panel span { color: var(--amber); font-weight: 900; }
.hero-panel strong { display: block; margin: 10px 0 5px; font-size: 1.2rem; }
.hero-panel p { margin: 0; color: rgba(255,255,255,0.78); }

.proof-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; padding: 0; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: var(--line); transform: translateY(-34px); }
.proof-strip__item { min-height: 150px; padding: 24px; background: #fff; }
.proof-strip__item span { color: var(--teal-dark); font-size: 0.78rem; font-weight: 900; letter-spacing: 0.08em; text-transform: uppercase; }
.proof-strip__item strong { display: block; margin-top: 18px; font-size: 1.18rem; line-height: 1.28; }

.split, .planning-layout, .contact { display: grid; grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr); gap: 52px; align-items: start; }
.capability-grid, .audience-grid, .benefit-grid, .automation-grid, .media-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.capability-card, .audience-grid article, .benefit-grid article, .automation-grid article, .media-cards article, .faq-list details { border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.capability-card, .audience-grid article, .benefit-grid article, .automation-grid article, .media-cards article { min-height: 188px; padding: 24px; }
.capability-card h3::before, .audience-grid h3::before { display: block; width: 40px; height: 4px; margin-bottom: 20px; border-radius: 999px; background: var(--teal); content: ""; }

.module-catalog, .device-grid, .dashboard-grid, .why-grid, .case-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 34px; }
.module-card, .device-grid article, .dashboard-grid article, .why-grid article, .case-grid article, .operator-detail-grid article, .planning-detail-grid article, .integration-layout article, .acquisition-grid article, .start-grid article, .scenario-list article { border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.module-card { min-height: 330px; padding: 24px; }
.module-card span, .scenario-list span, .start-grid span { color: var(--teal-dark); font-size: 0.78rem; font-weight: 900; letter-spacing: 0.1em; text-transform: uppercase; }
.module-card h3 { margin-top: 14px; }
.module-card ul, .integration-layout ul { display: grid; gap: 8px; margin: 18px 0 0; padding-left: 18px; color: var(--muted); }
.module-card li::marker, .integration-layout li::marker { color: var(--teal-dark); }
.dark-section, .flow-section { width: 100%; max-width: none; padding: 98px max(20px, calc((100vw - var(--max)) / 2)); color: #fff; background: var(--dark); }
.dark-section p, .flow-section p, .leak-panel p { color: #b8c7d3; }
.showcase-grid { display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.96fr); gap: 40px; align-items: center; margin-top: 40px; }
.showcase-grid--reverse { grid-template-columns: minmax(320px, 0.96fr) minmax(0, 1.04fr); }
.showcase-grid--reverse .image-card { order: 2; }
.image-card { margin: 0; padding: 14px; border: 1px solid rgba(255,255,255,0.14); border-radius: 8px; background: rgba(255,255,255,0.06); box-shadow: var(--shadow); }
.image-card--light { border-color: var(--line); background: #fff; }
.image-card img { width: 100%; border-radius: 6px; background: #dfe7ee; }
.feature-list { display: grid; gap: 14px; }
.feature-list article { padding: 24px; border: 1px solid rgba(255,255,255,0.14); border-radius: 8px; background: var(--dark-2); }
.feature-list span { color: var(--amber); font-weight: 900; }
.feature-list h3 { margin-top: 14px; }
.feature-list p { margin-bottom: 0; }
.operator-detail-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 30px; }
.operator-detail-grid article { padding: 22px; background: var(--dark-2); border-color: rgba(255,255,255,0.14); }
.operator-detail-grid p { margin-bottom: 0; }
.example-note, .dark-note { margin-top: 18px; padding: 20px 22px; border-radius: 8px; color: rgba(255,255,255,0.9); background: rgba(244, 182, 63, 0.12); border: 1px solid rgba(244, 182, 63, 0.26); }

.planning-section { padding-top: 100px; }
.planning-points { display: grid; gap: 14px; }
.planning-points div { padding: 22px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.planning-points strong { display: block; margin-bottom: 6px; font-size: 1.08rem; }
.planning-points span { color: var(--muted); }
.planning-detail-grid, .acquisition-grid, .start-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 30px; }
.planning-detail-grid article, .acquisition-grid article, .start-grid article { padding: 24px; }
.planning-benefits { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 24px; }

.media-section { width: 100%; max-width: none; padding: 98px max(20px, calc((100vw - var(--max)) / 2)); background: #fff; }
.media-section .showcase-grid { max-width: var(--max); margin-left: auto; margin-right: auto; }
.media-section .section__intro { max-width: var(--max); margin-left: auto; margin-right: auto; }
.media-cards { grid-template-columns: 1fr; }

.material-layout, .integration-layout { display: grid; grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1.08fr); gap: 28px; margin-top: 30px; }
.material-copy, .metric-stack, .integration-layout article { padding: 28px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.metric-stack { display: grid; gap: 12px; }
.metric-stack div { padding: 18px; border-radius: 8px; background: var(--soft); }
.metric-stack span { display: block; color: var(--teal-dark); font-weight: 900; text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.76rem; }
.metric-stack strong { display: block; margin-top: 7px; }
.device-grid article, .dashboard-grid article, .why-grid article, .case-grid article { min-height: 190px; padding: 24px; }

.leak-section { width: 100%; max-width: none; padding: 90px max(20px, calc((100vw - var(--max)) / 2)); background: linear-gradient(135deg, #0f1820, #17242d); }
.leak-panel { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, 420px); gap: 42px; align-items: center; max-width: var(--max); color: #fff; }
.leak-copy { max-width: 760px; }
.leak-visual { align-self: center; justify-self: end; max-width: 420px; }
.alert-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin: 26px 0 0; padding: 0; list-style: none; }
.alert-grid li { padding: 14px 16px; border: 1px solid rgba(255,255,255,0.14); border-radius: 8px; color: rgba(255,255,255,0.9); background: rgba(255,255,255,0.08); font-weight: 800; }
.check-list { display: grid; gap: 12px; margin: 26px 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 28px; color: #263744; }
.check-list li::before { position: absolute; left: 0; top: 0.2em; width: 18px; height: 18px; border-radius: 50%; color: #fff; background: var(--teal); content: "✓"; font-size: 0.78rem; line-height: 18px; text-align: center; }
.check-list--dark li { color: rgba(255,255,255,0.88); }

.automation-grid article span { display: inline-flex; margin-bottom: 24px; color: var(--teal-dark); font-weight: 900; text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.78rem; }
.flow-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-top: 36px; }
.flow-grid div { min-height: 230px; padding: 24px; border: 1px solid rgba(255,255,255,0.14); border-radius: 8px; background: var(--dark-2); }
.flow-grid span { display: inline-grid; width: 40px; height: 40px; place-items: center; margin-bottom: 28px; border-radius: 50%; color: #10140d; background: var(--amber); font-weight: 900; }
.flow-grid strong { display: block; margin-bottom: 8px; font-size: 1.1rem; }

.kpi-showcase { margin-top: 38px; }
.kpi-benefits { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.kpi-benefits article { min-height: 178px; padding: 24px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.kpi-benefits h3::before { display: block; width: 40px; height: 4px; margin-bottom: 20px; border-radius: 999px; background: var(--teal); content: ""; }
.scenario-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 30px; }
.scenario-list article { min-height: 150px; padding: 20px; }
.scenario-list p { margin: 12px 0 0; }

.timeline { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-top: 34px; }
.timeline article { min-height: 240px; padding: 24px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.timeline span { display: inline-grid; width: 40px; height: 40px; place-items: center; margin-bottom: 28px; border: 1px solid #cad6df; border-radius: 50%; color: var(--teal-dark); font-weight: 900; }

.faq-section { background: var(--soft); }
.faq-list { display: grid; gap: 10px; margin-top: 28px; }
.faq-list details { padding: 20px 22px; }
.faq-list summary { cursor: pointer; font-weight: 900; }
.faq-list p { margin: 12px 0 0; }

.contact { grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr); gap: 32px; align-items: start; padding-bottom: 110px; }
.contact__content, .contact__details { padding: 34px; border-radius: 8px; background: #fff; box-shadow: var(--shadow); }
.contact__content h2 { max-width: 760px; font-size: clamp(2rem, 3vw, 3rem); line-height: 1.06; }
.contact__content > p { max-width: 760px; }
.contact__details { display: flex; flex-direction: column; justify-content: flex-start; min-height: 0; border: 1px solid var(--line); font-style: normal; }
.contact__details span { color: var(--teal-dark); font-size: 0.78rem; font-weight: 900; letter-spacing: 0.12em; text-transform: uppercase; }
.contact__details strong { margin: 10px 0 16px; font-size: clamp(1.35rem, 2vw, 1.8rem); line-height: 1.15; }
.contact__details a { color: var(--teal-dark); font-weight: 900; }
.contact-hint { margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--line); }
.contact-form { display: grid; gap: 16px; margin-top: 24px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.contact-form label, .contact-form fieldset { display: grid; gap: 7px; color: var(--ink); font-size: 0.94rem; font-weight: 900; }
.contact-form input, .contact-form textarea { width: 100%; min-height: 46px; padding: 11px 12px; border: 1px solid #cbd8e1; border-radius: 8px; color: var(--ink); background: #fff; font: inherit; font-size: 0.95rem; }
.contact-form textarea { resize: vertical; line-height: 1.45; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--teal-dark); outline: 3px solid rgba(15,159,141,0.18); }
.contact-form fieldset { grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 0; padding: 18px; border: 1px solid var(--line); border-radius: 8px; }
.contact-form legend { grid-column: 1 / -1; padding: 0 8px; color: var(--teal-dark); }
.contact-form fieldset label, .consent { display: flex; align-items: flex-start; gap: 8px; color: var(--muted); font-size: 0.9rem; font-weight: 700; line-height: 1.35; }
.contact-form input[type="checkbox"] { width: 18px; min-width: 18px; height: 18px; min-height: 18px; margin-top: 3px; padding: 0; }
.form-status { min-height: 24px; margin: 0; color: var(--teal-dark); font-weight: 900; }
.site-footer { padding: 54px max(20px, calc((100vw - var(--max)) / 2)) 24px; color: #c9d4de; background: #0b1117; }
.site-footer p { margin: 0; color: #c9d4de; }
.site-footer a { color: #fff; font-weight: 900; text-decoration: none; }
.site-footer a:hover, .site-footer a:focus-visible { color: var(--amber); outline: none; }
.footer-grid { display: grid; grid-template-columns: minmax(260px, 1.35fr) repeat(3, minmax(160px, 1fr)); gap: 34px; }
.footer-brand .brand { width: fit-content; margin-bottom: 14px; color: #fff; }
.footer-brand p { max-width: 390px; line-height: 1.65; }
.site-footer h2 { margin: 0 0 16px; color: var(--amber); font-size: 0.78rem; font-weight: 900; letter-spacing: 0.12em; text-transform: uppercase; }
.site-footer ul, .site-footer address { display: grid; gap: 9px; margin: 0; padding: 0; list-style: none; font-style: normal; }
.site-footer li, .site-footer address span { color: #c9d4de; }
.site-footer address strong { color: #fff; }
.site-footer address a { width: fit-content; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 18px; margin-top: 42px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,0.12); }
.footer-bottom p, .footer-bottom a, .footer-counter { color: #91a2af; font-size: 0.92rem; }
.footer-counter { font-variant-numeric: tabular-nums; }

.reveal { opacity: 1; transform: none; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1080px) {
    .proof-strip, .flow-grid, .timeline { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .module-catalog, .device-grid, .dashboard-grid, .why-grid, .case-grid, .planning-detail-grid, .acquisition-grid, .start-grid, .operator-detail-grid, .scenario-list, .kpi-benefits { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .hero__inner, .split, .planning-layout, .showcase-grid, .showcase-grid--reverse, .contact { grid-template-columns: 1fr; }
    .material-layout, .integration-layout { grid-template-columns: 1fr; }
    .showcase-grid--reverse .image-card { order: 0; }
    .hero-panel { max-width: 760px; }
}

@media (max-width: 760px) {
    .site-header { min-height: 68px; padding: 10px 18px; }
    .brand img { width: 44px; height: 44px; }
    .nav-toggle { display: block; }
    .site-nav { position: absolute; top: calc(100% + 8px); left: 18px; right: 18px; display: none; flex-direction: column; align-items: stretch; padding: 10px; border: 1px solid rgba(255,255,255,0.18); border-radius: 8px; background: rgba(14,22,29,0.97); box-shadow: 0 18px 42px rgba(0,0,0,0.28); }
    .site-nav.is-open { display: flex; }
    .site-nav a { padding: 13px 14px; }
    .section { width: min(100% - 28px, var(--max)); padding: 62px 0; }
    .hero { min-height: auto; }
    .hero__image { object-position: 60% center; }
    .hero__overlay { background: linear-gradient(90deg, rgba(5,9,13,0.95) 0%, rgba(5,9,13,0.82) 65%, rgba(5,9,13,0.38) 100%), linear-gradient(0deg, rgba(5,9,13,0.9) 0%, rgba(5,9,13,0.18) 54%); }
    .hero__inner { width: min(100% - 28px, var(--max)); min-height: auto; gap: 22px; padding: 112px 0 42px; }
    h1 { font-size: clamp(2.35rem, 12vw, 3.65rem); line-height: 1; }
    h2 { font-size: clamp(1.85rem, 9vw, 2.65rem); }
    .lead { font-size: 1rem; line-height: 1.55; }
    .hero__actions, .contact__actions, .footer-bottom { flex-direction: column; align-items: stretch; }
    .button { width: 100%; }
    .hero-panel { display: grid; gap: 10px; border: 0; background: transparent; box-shadow: none; backdrop-filter: none; }
    .hero-panel div { padding: 16px; border: 1px solid rgba(255,255,255,0.14); border-radius: 8px; background: rgba(8,14,19,0.8); }
    .proof-strip, .capability-grid, .audience-grid, .benefit-grid, .automation-grid, .flow-grid, .timeline, .module-catalog, .device-grid, .dashboard-grid, .why-grid, .case-grid, .planning-detail-grid, .acquisition-grid, .start-grid, .operator-detail-grid, .scenario-list, .kpi-benefits, .alert-grid, .planning-benefits, .form-grid, .contact-form fieldset { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .leak-panel { grid-template-columns: 1fr; }
    .leak-visual { justify-self: stretch; max-width: none; }
    .proof-strip { transform: none; margin-top: 14px; }
    .dark-section, .media-section, .flow-section, .leak-section { padding: 72px 14px; }
    .contact__content, .contact__details { padding: 24px; }
}