:root {
  --ink: #17202a;
  --muted: #5a6472;
  --line: #d7dde5;
  --paper: #f7f8f5;
  --white: #ffffff;
  --teal: #0f766e;
  --blue: #1f4f8f;
  --coral: #c3533c;
  --gold: #b28a33;
  --shadow: 0 24px 60px rgba(23, 32, 42, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

a {
  color: inherit;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 64px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(215, 221, 229, 0.78);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--white);
  background: var(--ink);
  font-weight: 700;
  border-radius: 6px;
}

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

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 3vw, 28px);
  font-size: 14px;
}

nav a {
  color: var(--muted);
  text-decoration: none;
}

nav a:hover {
  color: var(--ink);
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: end;
  padding: 140px clamp(20px, 6vw, 80px) 88px;
  color: var(--white);
  background:
    linear-gradient(rgba(12, 22, 31, 0.38), rgba(12, 22, 31, 0.7)),
    url("https://images.unsplash.com/photo-1497366754035-f200968a6e72?auto=format&fit=crop&w=2200&q=80") center / cover;
}

.hero::after {
  content: "";
  position: absolute;
  left: clamp(20px, 6vw, 80px);
  right: clamp(20px, 6vw, 80px);
  bottom: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.35);
}

.hero-content {
  position: relative;
  max-width: 860px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--coral);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #ffb69f;
}

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

h1 {
  max-width: 840px;
  margin-bottom: 20px;
  font-size: clamp(54px, 8vw, 108px);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  font-size: 21px;
  line-height: 1.2;
}

.lead {
  max-width: 700px;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.45;
}

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

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid currentColor;
  border-radius: 6px;
  font-weight: 700;
  text-decoration: none;
}

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

.button.secondary {
  color: var(--white);
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.5);
}

.section {
  padding: 92px clamp(20px, 6vw, 80px);
}

.intro,
.principles {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.85fr);
  gap: clamp(32px, 6vw, 82px);
  background: var(--white);
}

.section-copy h2 {
  margin-bottom: 0;
}

.intro-text,
.principle-list {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.capabilities {
  background: #eef2f4;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 44px;
}

.capability-grid article {
  min-height: 260px;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 34px;
  margin-bottom: 34px;
  color: var(--blue);
  border-bottom: 3px solid var(--gold);
  font-weight: 700;
}

.capability-grid p {
  color: var(--muted);
  line-height: 1.55;
}

.product {
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(320px, 0.75fr);
  gap: clamp(34px, 6vw, 88px);
  align-items: center;
  background: var(--ink);
  color: var(--white);
}

.product p {
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
  line-height: 1.65;
}

.feature-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}

.feature-list li {
  padding-left: 24px;
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.45;
  position: relative;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  background: var(--coral);
  border-radius: 50%;
}

.interface-visual {
  padding: clamp(20px, 4vw, 34px);
  color: var(--ink);
  background: #f8fafc;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.visual-toolbar {
  display: flex;
  gap: 8px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.visual-toolbar span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--line);
}

.visual-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.visual-row b,
.visual-row em {
  font-style: normal;
}

.visual-row em {
  color: var(--muted);
  text-align: right;
}

.visual-row.strong b {
  color: var(--blue);
}

.visual-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px 18px;
  padding-top: 24px;
  color: var(--muted);
}

.visual-footer strong {
  color: var(--ink);
  font-size: 26px;
}

.principle-list {
  display: grid;
  gap: 18px;
}

.principle-list p {
  margin: 0;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.principle-list strong {
  color: var(--ink);
}

.contact {
  display: grid;
  grid-template-columns: minmax(280px, 760px) auto;
  gap: 32px;
  align-items: center;
  padding: 72px clamp(20px, 6vw, 80px);
  background: var(--blue);
  color: var(--white);
}

.contact p {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 18px;
  line-height: 1.6;
}

.contact .button.primary {
  background: var(--white);
  color: var(--blue);
  border-color: var(--white);
}

footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 24px;
  padding: 28px clamp(20px, 6vw, 80px);
  color: var(--muted);
  background: var(--white);
  border-top: 1px solid var(--line);
  font-size: 14px;
}

footer p {
  margin: 0;
}

@media (max-width: 980px) {
  .capability-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .intro,
  .principles,
  .product,
  .contact {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    min-height: 820px;
    padding-top: 70px;
  }

  h1 {
    font-size: 52px;
  }

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

  .visual-row {
    display: grid;
  }

  .visual-row em {
    text-align: left;
  }
}