:root {
  --ink: #07111f;
  --muted: #5a6678;
  --line: #d9e1ea;
  --paper: #f7f9fb;
  --white: #ffffff;
  --cyan: #18d6c9;
  --blue: #2b6bff;
  --amber: #ffb545;
  --green: #23b26d;
  --coral: #f75f54;
  --shadow: 0 20px 60px rgba(7, 17, 31, 0.12);
}

* {
  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;
}

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: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  min-height: 74px;
  padding: 12px clamp(18px, 5vw, 72px);
  color: var(--white);
  transition: background 180ms ease, box-shadow 180ms ease, color 180ms ease;
}

.site-header.is-elevated {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 30px rgba(7, 17, 31, 0.08);
  backdrop-filter: blur(14px);
}

.brand img {
  width: 206px;
  height: auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  width: max-content;
  filter: drop-shadow(0 12px 22px rgba(0, 0, 0, 0.22));
}

.site-header.is-elevated .brand {
  filter: none;
}

.nav {
  display: flex;
  justify-content: center;
  gap: clamp(18px, 4vw, 42px);
  font-size: 14px;
  font-weight: 700;
}

.nav a {
  opacity: 0.88;
}

.nav a:hover {
  opacity: 1;
  color: var(--cyan);
}

.header-action,
.button,
.contact-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: 0;
  border-radius: 8px;
  padding: 0 18px;
  font-weight: 800;
  cursor: pointer;
}

.header-action {
  color: var(--ink);
  background: var(--amber);
}

.header-tools {
  display: flex;
  align-items: center;
  justify-content: end;
  gap: 12px;
}

.language-toggle {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 3px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
}

.site-header.is-elevated .language-toggle {
  border-color: var(--line);
  background: #eef3f8;
}

.language-toggle button {
  width: 40px;
  height: 30px;
  border: 0;
  border-radius: 6px;
  color: currentColor;
  background: transparent;
  font: inherit;
  font-size: 12px;
  font-weight: 900;
  cursor: pointer;
}

.language-toggle button.is-active {
  color: var(--ink);
  background: var(--cyan);
}

.hero {
  position: relative;
  display: grid;
  min-height: 92vh;
  overflow: hidden;
  color: var(--white);
  background: #07111f;
  isolation: isolate;
}

#edgeMap,
.hero-shade,
.hero-bg-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

#edgeMap {
  z-index: -2;
}

.hero-bg-image {
  z-index: -4;
  object-fit: cover;
  object-position: center right;
  opacity: 0.88;
}

.hero-shade {
  z-index: -3;
  background:
    linear-gradient(90deg, rgba(7, 17, 31, 0.96) 0%, rgba(7, 17, 31, 0.78) 45%, rgba(7, 17, 31, 0.16) 100%),
    linear-gradient(180deg, rgba(7, 17, 31, 0.26) 0%, rgba(7, 17, 31, 0.86) 100%);
}

.hero-content {
  align-self: center;
  width: min(820px, calc(100% - 36px));
  margin: 84px 0 120px clamp(18px, 7vw, 96px);
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(58px, 11vw, 132px);
  line-height: 0.92;
  letter-spacing: 0;
}

.hero-copy {
  width: min(680px, 100%);
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button.primary {
  color: var(--ink);
  background: var(--cyan);
}

.button.secondary {
  border: 1px solid rgba(255, 255, 255, 0.36);
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
}

.hero-metrics {
  position: absolute;
  right: clamp(18px, 5vw, 72px);
  bottom: 28px;
  left: clamp(18px, 5vw, 72px);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.hero-metrics div {
  padding: 22px 24px;
  border-right: 1px solid rgba(255, 255, 255, 0.16);
}

.hero-metrics div:last-child {
  border-right: 0;
}

.hero-metrics strong {
  display: block;
  font-size: clamp(26px, 4vw, 46px);
  line-height: 1;
}

.hero-metrics span {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.72);
}

.section {
  padding: clamp(72px, 9vw, 120px) clamp(18px, 5vw, 72px);
}

.intro {
  background: var(--white);
}

.intro-grid,
.section-heading,
.advantage-layout,
.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.72fr);
  gap: clamp(28px, 6vw, 84px);
  align-items: start;
}

h2 {
  margin: 0;
  font-size: clamp(32px, 5vw, 62px);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 24px;
  line-height: 1.2;
}

.intro p,
.section-heading p,
.product-card p,
.advantage-list p,
.case-card p,
.contact-copy p,
.footer p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.section-heading {
  margin-bottom: 34px;
}

.section-heading p {
  align-self: end;
}

.product-grid,
.case-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.product-card,
.case-card,
.product-visual,
.contact-form {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 1px 0 rgba(7, 17, 31, 0.03);
}

.product-card {
  display: flex;
  flex-direction: column;
  min-height: 458px;
  padding: 26px;
}

.product-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: 40px;
  border-radius: 50%;
  color: var(--ink);
  font-weight: 900;
}

.product-mark.cdn {
  background: var(--cyan);
}

.product-mark.security {
  background: var(--amber);
}

.product-mark.compute {
  color: var(--white);
  background: var(--blue);
}

.product-mark.ai {
  color: var(--white);
  background: var(--coral);
}

.product-card p {
  margin-top: 18px;
}

.product-card ul {
  display: grid;
  gap: 12px;
  margin: auto 0 0;
  padding: 28px 0 0;
  list-style: none;
}

.product-card li {
  position: relative;
  padding-left: 20px;
  color: #334155;
  line-height: 1.45;
}

.product-card li::before {
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  content: "";
}

.product-card-featured {
  border-color: rgba(247, 95, 84, 0.44);
  box-shadow: 0 16px 40px rgba(247, 95, 84, 0.12);
}

.product-visual {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(320px, 1.22fr);
  gap: 28px;
  align-items: center;
  margin-top: 18px;
  overflow: hidden;
  padding: clamp(22px, 4vw, 34px);
  background: #091423;
}

.product-visual h3 {
  color: var(--white);
  font-size: clamp(26px, 3vw, 40px);
}

.product-visual p {
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 16px;
  line-height: 1.75;
}

.product-visual img,
.case-visual {
  width: 100%;
  border-radius: 8px;
  object-fit: cover;
}

.product-visual img {
  aspect-ratio: 16 / 8.8;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
}

.advantages {
  color: var(--white);
  background: #101820;
}

.advantages .section-kicker {
  color: var(--amber);
}

.advantages .section-heading {
  grid-template-columns: 1fr;
}

.signal-panel {
  display: grid;
  gap: 12px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.signal-row {
  display: grid;
  grid-template-columns: 54px 1fr auto;
  align-items: center;
  gap: 14px;
  min-height: 70px;
  padding: 0 18px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
}

.signal-row span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  color: var(--ink);
  background: var(--cyan);
  font-size: 12px;
  font-weight: 900;
}

.signal-row em {
  color: var(--amber);
  font-style: normal;
  font-weight: 900;
}

.advantage-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.advantage-list article {
  padding-top: 18px;
  border-top: 2px solid rgba(24, 214, 201, 0.7);
}

.advantage-list p {
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.72);
}

.cases {
  background: #f1f5f9;
}

.case-card {
  min-height: 306px;
  padding: 24px;
}

.case-visual {
  display: block;
  max-height: 440px;
  margin-bottom: 18px;
  aspect-ratio: 16 / 7;
  box-shadow: var(--shadow);
}

.case-card span {
  display: inline-block;
  margin-bottom: 34px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
}

.case-card p {
  margin-top: 16px;
}

.case-card strong {
  display: block;
  margin-top: 28px;
  color: var(--coral);
  font-size: 18px;
}

.contact {
  background: var(--white);
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: #334155;
  font-size: 14px;
  font-weight: 800;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px 14px;
  color: var(--ink);
  background: #fbfdff;
  font: inherit;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form button {
  color: var(--white);
  background: var(--ink);
}

.footer {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 28px clamp(18px, 5vw, 72px);
  color: var(--white);
  background: var(--ink);
}

.footer img {
  width: 188px;
}

.footer p {
  color: rgba(255, 255, 255, 0.68);
}

.footer span {
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
}

@media (max-width: 920px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav {
    display: none;
  }

  .brand img {
    width: 174px;
  }

  .hero {
    min-height: 860px;
  }

  .hero-content {
    margin-left: 18px;
  }

  .hero-metrics,
  .intro-grid,
  .section-heading,
  .advantage-layout,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero-metrics {
    right: 18px;
    left: 18px;
  }

  .product-grid,
  .case-grid,
  .advantage-list,
  .product-visual {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 620px) {
  .site-header {
    min-height: 70px;
    gap: 12px;
  }

  .brand img {
    width: 136px;
  }

  .header-tools {
    gap: 8px;
  }

  .header-action {
    min-height: 40px;
    padding: 0 12px;
    font-size: 13px;
  }

  .language-toggle {
    min-height: 34px;
  }

  .language-toggle button {
    width: 34px;
    height: 28px;
    font-size: 11px;
  }

  .hero {
    min-height: 900px;
  }

  .hero-content {
    margin-top: 96px;
    margin-bottom: 260px;
  }

  .hero-copy {
    font-size: 17px;
  }

  .hero h1 {
    font-size: clamp(46px, 15vw, 58px);
  }

  .product-grid,
  .case-grid {
    grid-template-columns: 1fr;
  }

  .product-visual {
    padding: 18px;
  }

  .product-visual img,
  .case-visual {
    aspect-ratio: 4 / 3;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .hero-metrics div {
    padding: 16px 0;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  }

  .hero-metrics div:last-child {
    border-bottom: 0;
  }

  .signal-row {
    grid-template-columns: 48px 1fr;
  }

  .signal-row em {
    grid-column: 2;
  }

  .footer {
    grid-template-columns: 1fr;
  }
}