:root {
  --ink: #071014;
  --ink-soft: #24373d;
  --paper: #f7fbf9;
  --muted: #66777b;
  --line: rgba(7, 16, 20, 0.12);
  --cyan: #14c8df;
  --green: #39c983;
  --coral: #ef7b5f;
  --gold: #d6aa47;
  --white: #ffffff;
  --shadow: 0 22px 70px rgba(7, 16, 20, 0.18);
}

* {
  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;
  line-height: 1.6;
  overflow-x: hidden;
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 28px;
  justify-content: space-between;
  padding: 18px clamp(18px, 4vw, 56px);
  color: var(--white);
  background: linear-gradient(180deg, rgba(7, 16, 20, 0.78), rgba(7, 16, 20, 0));
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--ink);
  background: var(--white);
  border-radius: 50%;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
}

.nav-links {
  display: flex;
  gap: clamp(14px, 2.5vw, 34px);
  color: rgba(255, 255, 255, 0.84);
  font-size: 14px;
}

.nav-links a:hover {
  color: var(--white);
}

.lang-switch {
  display: inline-flex;
  padding: 4px;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 999px;
  background: rgba(7, 16, 20, 0.32);
  backdrop-filter: blur(12px);
}

.lang-button {
  min-width: 42px;
  height: 32px;
  color: rgba(255, 255, 255, 0.72);
  border: 0;
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  font-weight: 700;
}

.lang-button.is-active {
  color: var(--ink);
  background: var(--white);
}

.hero {
  position: relative;
  min-height: 94vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--white);
}

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

.hero-image {
  object-fit: cover;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(7, 16, 20, 0.92) 0%, rgba(7, 16, 20, 0.62) 38%, rgba(7, 16, 20, 0.08) 76%),
    linear-gradient(180deg, rgba(7, 16, 20, 0.04) 70%, var(--paper) 100%);
}

.hero-content {
  position: relative;
  width: min(760px, calc(100% - 36px));
  padding: 132px 0 72px;
  margin-left: clamp(18px, 7vw, 96px);
}

.eyebrow,
.section-label {
  margin: 0 0 16px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 720px;
  margin-bottom: 24px;
  font-size: clamp(44px, 7vw, 86px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  font-size: clamp(30px, 4vw, 54px);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  font-size: 22px;
  line-height: 1.22;
}

.hero-copy {
  max-width: 620px;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(17px, 2vw, 21px);
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 800;
}

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

.button.ghost {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.08);
}

.button.light {
  color: var(--white);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  width: min(650px, 100%);
  margin: 44px 0 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.2);
}

.hero-stats div {
  padding: 18px;
  background: rgba(7, 16, 20, 0.42);
}

.hero-stats dt {
  color: rgba(255, 255, 255, 0.64);
  font-size: 12px;
}

.hero-stats dd {
  margin: 6px 0 0;
  font-weight: 800;
}

.section {
  padding: clamp(72px, 9vw, 128px) clamp(18px, 7vw, 96px);
}

.intro {
  display: grid;
  grid-template-columns: 0.7fr 2fr;
  gap: clamp(24px, 7vw, 90px);
}

.section-heading {
  max-width: 940px;
}

.section-heading p,
.capability-grid p {
  max-width: 820px;
  color: var(--ink-soft);
  font-size: 20px;
}

.feature-band {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1.1fr);
  gap: 0;
  background: #dfeee8;
}

.feature-panel {
  min-height: 560px;
  padding: clamp(52px, 7vw, 92px);
}

.feature-panel.dark {
  color: var(--white);
  background:
    radial-gradient(circle at 20% 20%, rgba(20, 200, 223, 0.28), transparent 30%),
    linear-gradient(145deg, #071014, #16363a 58%, #0e2225);
}

.feature-panel p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.78);
  font-size: 19px;
}

.use-cases {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-content: stretch;
}

.case-card {
  min-height: 560px;
  padding: clamp(32px, 4vw, 54px);
  border-left: 1px solid rgba(7, 16, 20, 0.12);
  background: var(--white);
}

.case-card:nth-child(2) {
  background: #f9f3ea;
}

.case-card:nth-child(3) {
  background: #edf7ff;
}

.case-index {
  display: block;
  margin-bottom: 110px;
  color: var(--coral);
  font-weight: 900;
}

.case-card p {
  color: var(--muted);
}

.capability-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 8vw, 110px);
  align-items: start;
}

.check-list {
  display: grid;
  gap: 14px;
  padding: 0;
  margin: 8px 0 0;
  list-style: none;
}

.check-list li {
  padding: 18px 20px;
  border-left: 4px solid var(--green);
  background: var(--white);
  box-shadow: 0 10px 40px rgba(7, 16, 20, 0.06);
  font-weight: 750;
}

.group {
  background: #0d181a;
  color: var(--white);
}

.group .section-heading p {
  color: rgba(255, 255, 255, 0.72);
}

.compact {
  max-width: 760px;
}

.brand-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 44px;
}

.brand-card {
  min-height: 230px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.brand-card.highlight {
  background: linear-gradient(145deg, rgba(20, 200, 223, 0.25), rgba(57, 201, 131, 0.18));
  border-color: rgba(20, 200, 223, 0.42);
}

.brand-card p {
  color: var(--gold);
  font-weight: 800;
}

.brand-card span {
  color: rgba(255, 255, 255, 0.7);
}

.contact-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: clamp(54px, 8vw, 96px) clamp(18px, 7vw, 96px);
  color: var(--white);
  background: linear-gradient(135deg, #14373a, #071014 62%, #38251c);
}

.contact-band h2 {
  max-width: 820px;
  margin: 0;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 20px;
  padding: 26px clamp(18px, 7vw, 96px);
  color: var(--muted);
  background: var(--white);
}

.site-footer strong,
.site-footer span {
  display: block;
}

.site-footer strong {
  color: var(--ink);
}

.site-footer address {
  margin: 0;
  font-style: normal;
  text-align: right;
}

.site-footer a {
  color: var(--ink);
  font-weight: 750;
}

@media (max-width: 980px) {
  .nav-links {
    display: none;
  }

  .intro,
  .feature-band,
  .capability-grid,
  .brand-grid,
  .contact-band {
    grid-template-columns: 1fr;
  }

  .contact-band {
    display: grid;
  }

  .use-cases {
    grid-template-columns: 1fr;
  }

  .case-card {
    min-height: auto;
  }

  .case-index {
    margin-bottom: 52px;
  }
}

@media (max-width: 620px) {
  .site-header {
    padding: 14px 16px;
    gap: 12px;
  }

  .brand small {
    display: none;
  }

  .brand strong {
    font-size: 15px;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
  }

  .lang-button {
    min-width: 38px;
  }

  .site-header .lang-switch {
    display: none;
  }

  .hero {
    min-height: 92vh;
  }

  .hero-content {
    width: calc(100% - 32px);
    margin-left: 16px;
    padding-top: 116px;
  }

  h1 {
    max-width: min(320px, 100%);
    font-size: clamp(30px, 8.2vw, 34px);
    line-height: 1.05;
    overflow-wrap: anywhere;
  }

  .hero-copy {
    font-size: 16px;
  }

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

  .button {
    width: 100%;
  }

  .feature-panel,
  .section {
    padding-left: 18px;
    padding-right: 18px;
  }

  .site-footer {
    display: grid;
  }

  .site-footer address {
    text-align: left;
  }
}