:root {
  --ink: #111318;
  --ink-soft: #2c3340;
  --paper: #f7f8f5;
  --paper-strong: #ffffff;
  --line: #d7ddd5;
  --cyan: #16b8d5;
  --green: #7bbf45;
  --coral: #ee6a4d;
  --amber: #e0a526;
  --violet: #6554c0;
  --shadow: 0 22px 60px rgba(17, 19, 24, 0.13);
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

body.nav-open {
  overflow: hidden;
}

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

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 clamp(18px, 4vw, 52px);
  color: var(--paper-strong);
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease;
}

.site-header.is-scrolled,
.site-header.nav-active {
  color: var(--ink);
  background: rgba(247, 248, 245, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 760;
  font-size: 15px;
}

.brand-mark {
  width: 26px;
  height: 26px;
  border: 2px solid currentColor;
  border-radius: 7px;
  position: relative;
  flex: 0 0 auto;
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  background: currentColor;
  border-radius: 999px;
}

.brand-mark::before {
  width: 8px;
  height: 8px;
  left: 7px;
  top: 7px;
}

.brand-mark::after {
  width: 4px;
  height: 14px;
  right: 5px;
  bottom: 4px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-nav a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 0 14px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 700;
}

.site-nav a:hover {
  background: rgba(255, 255, 255, 0.16);
}

.site-header.is-scrolled .site-nav a:hover,
.site-header.nav-active .site-nav a:hover {
  background: rgba(17, 19, 24, 0.07);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid currentColor;
  border-radius: 6px;
  background: transparent;
  color: inherit;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  background: currentColor;
}

.hero {
  min-height: 78svh;
  position: relative;
  isolation: isolate;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--paper-strong);
  background: #191a1f;
}

.hero-media,
.hero-media img,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-media {
  z-index: -2;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-shade {
  z-index: -1;
  background: rgba(10, 11, 14, 0.52);
}

.hero-inner {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 150px 0 clamp(54px, 9vh, 94px);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--coral);
  font-size: 12px;
  line-height: 1.3;
  font-weight: 820;
  text-transform: uppercase;
  letter-spacing: 0;
}

.hero .eyebrow {
  color: #9df1f6;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 930px;
  margin-bottom: 22px;
  font-size: clamp(54px, 8vw, 96px);
  line-height: 0.94;
  font-weight: 860;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(32px, 4vw, 58px);
  line-height: 1.02;
  font-weight: 820;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 21px;
  line-height: 1.18;
  font-weight: 780;
  letter-spacing: 0;
}

p {
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.65;
}

.hero-copy {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 21px;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 790;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  color: var(--ink);
  background: var(--green);
  box-shadow: 0 12px 30px rgba(123, 191, 69, 0.24);
}

.button-secondary {
  color: var(--paper-strong);
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.08);
}

.section,
.section-band {
  padding: clamp(72px, 10vw, 118px) 0;
}

.section-compact {
  padding-top: clamp(42px, 7vw, 84px);
}

.section-inner {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.intro {
  border-bottom: 1px solid var(--line);
  background: var(--paper-strong);
  padding-top: clamp(34px, 5vw, 54px);
  padding-bottom: clamp(46px, 7vw, 76px);
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 1fr);
  gap: clamp(28px, 7vw, 86px);
  align-items: end;
}

.intro h2 {
  margin-bottom: 0;
}

.intro p:last-child {
  margin-bottom: 0;
  font-size: 18px;
}

.section-heading {
  max-width: 780px;
  margin-bottom: clamp(30px, 6vw, 58px);
}

.section-heading p:last-child {
  margin-bottom: 0;
}

.platform-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: clamp(22px, 4vw, 42px);
  align-items: start;
}

.console-frame {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #15171b;
  box-shadow: var(--shadow);
}

.console-frame img {
  width: 100%;
}

.capability-list {
  display: grid;
  gap: 14px;
}

.capability-card,
.solution-card,
.quality-panels article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-strong);
}

.capability-card {
  padding: 22px;
}

.capability-index {
  display: inline-block;
  margin-bottom: 20px;
  color: var(--violet);
  font-size: 13px;
  font-weight: 860;
}

.capability-card p,
.solution-card p,
.quality-panels p {
  margin-bottom: 0;
  font-size: 15px;
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.solution-card {
  padding: clamp(26px, 4vw, 42px);
  position: relative;
  overflow: hidden;
}

.solution-card::before {
  content: "";
  display: block;
  width: 100%;
  height: 6px;
  position: absolute;
  top: 0;
  left: 0;
  background: var(--cyan);
}

.demand-card::before {
  background: var(--amber);
}

.solution-label {
  display: inline-block;
  margin-bottom: 22px;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 820;
  text-transform: uppercase;
}

.solution-card h3 {
  max-width: 520px;
  font-size: clamp(27px, 3vw, 40px);
  line-height: 1.04;
}

.solution-card ul {
  display: grid;
  gap: 13px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.solution-card li {
  position: relative;
  padding-left: 24px;
  color: var(--ink-soft);
  line-height: 1.5;
}

.solution-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 9px;
  height: 9px;
  border-radius: 3px;
  background: var(--green);
}

.demand-card li::before {
  background: var(--coral);
}

.quality {
  background: #ecefeb;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.quality-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1fr);
  gap: clamp(28px, 7vw, 80px);
  align-items: center;
}

.quality .section-heading {
  margin-bottom: 0;
}

.quality-panels {
  display: grid;
  gap: 14px;
}

.quality-panels article {
  padding: 24px;
  background: rgba(255, 255, 255, 0.72);
}

.quality-panels span {
  display: block;
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 800;
}

.signal-section {
  background: var(--ink);
  color: var(--paper-strong);
}

.signal-section .eyebrow {
  color: #9df1f6;
}

.signal-board {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 1fr);
  gap: clamp(28px, 7vw, 80px);
  align-items: center;
}

.signal-board h2 {
  margin-bottom: 0;
}

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

.signal-matrix span {
  min-height: 76px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 7px;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.06);
  font-weight: 800;
}

.signal-matrix span:nth-child(2n) {
  border-color: rgba(22, 184, 213, 0.35);
}

.signal-matrix span:nth-child(3n) {
  border-color: rgba(238, 106, 77, 0.35);
}

.contact-section {
  background: var(--paper-strong);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 1fr);
  gap: clamp(28px, 8vw, 94px);
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 14px;
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfcfa;
}

.contact-form label {
  display: grid;
  gap: 8px;
}

.contact-form span {
  font-size: 13px;
  font-weight: 800;
  color: var(--ink-soft);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid #c9d1c8;
  border-radius: 6px;
  padding: 11px 12px;
  background: var(--paper-strong);
  color: var(--ink);
  font: inherit;
  letter-spacing: 0;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: 3px solid rgba(22, 184, 213, 0.2);
  border-color: var(--cyan);
}

.contact-form .button {
  width: max-content;
  margin-top: 4px;
  border: 0;
}

.form-note {
  min-height: 22px;
  margin: 0;
  color: var(--green);
  font-size: 14px;
  font-weight: 700;
}

.site-footer {
  padding: 46px 0;
  color: rgba(255, 255, 255, 0.84);
  background: #15171b;
}

.footer-inner {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
}

.footer-brand {
  color: var(--paper-strong);
}

.site-footer p {
  max-width: 420px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 15px;
}

address {
  color: rgba(255, 255, 255, 0.72);
  font-style: normal;
  line-height: 1.7;
  text-align: right;
}

@media (max-width: 860px) {
  .site-header {
    height: 64px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    display: none;
    padding: 14px 20px 20px;
    background: rgba(247, 248, 245, 0.98);
    border-bottom: 1px solid var(--line);
    color: var(--ink);
  }

  .site-nav.is-open {
    display: grid;
    gap: 6px;
  }

  .site-nav a {
    min-height: 46px;
    padding: 0 10px;
  }

  .hero {
    min-height: 74svh;
  }

  .hero-inner {
    width: min(100% - 32px, var(--max));
    padding-top: 118px;
    padding-bottom: 42px;
  }

  h1 {
    font-size: clamp(44px, 13vw, 72px);
  }

  h2 {
    font-size: clamp(30px, 8vw, 44px);
  }

  .hero-copy {
    font-size: 18px;
  }

  .intro-grid,
  .platform-layout,
  .solution-grid,
  .quality-grid,
  .signal-board,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-inner {
    display: grid;
  }

  address {
    text-align: left;
  }
}

@media (max-width: 520px) {
  .section-inner,
  .footer-inner {
    width: min(100% - 28px, var(--max));
  }

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .contact-form .button {
    width: 100%;
  }

  .signal-matrix span {
    min-height: 62px;
  }
}