:root {
  color-scheme: light;
  --ink: #111827;
  --muted: #5b6678;
  --line: #d8dee8;
  --paper: #ffffff;
  --soft: #f4f7fb;
  --deep: #0e1724;
  --teal: #0f9488;
  --teal-dark: #0a6d68;
  --amber: #d28a18;
  --green: #18865c;
  --shadow: 0 24px 70px rgba(15, 23, 42, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, Arial, sans-serif;
  line-height: 1.5;
}

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

.site-header {
  position: fixed;
  z-index: 10;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 54px);
  color: #ffffff;
  background: linear-gradient(180deg, rgba(7, 14, 24, 0.9), rgba(7, 14, 24, 0.18));
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.13);
  font-size: 13px;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 26px);
  color: rgba(255, 255, 255, 0.86);
  font-size: 14px;
  font-weight: 700;
}

.nav a {
  white-space: nowrap;
}

.nav-action {
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.12);
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: #ffffff;
}

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

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

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(6, 13, 23, 0.9) 0%, rgba(8, 17, 29, 0.78) 36%, rgba(8, 17, 29, 0.22) 78%),
    linear-gradient(180deg, rgba(6, 13, 23, 0.05) 0%, rgba(6, 13, 23, 0.7) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(780px, calc(100% - 40px));
  margin-left: clamp(20px, 7vw, 100px);
  padding-top: 72px;
}

.eyebrow,
.section-label {
  margin: 0 0 14px;
  color: var(--amber);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 720px;
  margin-bottom: 20px;
  font-size: clamp(54px, 9vw, 112px);
  line-height: 0.94;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 54px);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.2;
}

.hero-copy {
  max-width: 650px;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(18px, 2vw, 23px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button,
.contact-form button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  padding: 12px 18px;
  border: 1px solid transparent;
  font-weight: 800;
  cursor: pointer;
}

.button.primary,
.contact-form button {
  color: #ffffff;
  background: var(--teal);
}

.button.secondary {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.1);
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
}

.trust-strip div {
  min-height: 118px;
  padding: 28px clamp(20px, 4vw, 48px);
  background: #ffffff;
}

.trust-strip strong,
.trust-strip span {
  display: block;
}

.trust-strip strong {
  margin-bottom: 8px;
  font-size: 17px;
}

.trust-strip span,
.copy-stack p,
.two-column p,
.standards p,
.contact-section p {
  color: var(--muted);
}

.section,
.standards,
.contact-section {
  padding: clamp(72px, 10vw, 130px) clamp(20px, 6vw, 82px);
}

.split,
.two-column,
.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(30px, 7vw, 90px);
  align-items: start;
}

.copy-stack {
  max-width: 760px;
  font-size: 18px;
}

.feature-band {
  padding: clamp(54px, 8vw, 96px) clamp(20px, 6vw, 82px);
  background: var(--deep);
  color: #ffffff;
}

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

.feature-grid article {
  min-height: 260px;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.055);
}

.feature-grid p {
  color: rgba(255, 255, 255, 0.73);
}

.icon {
  display: inline-grid;
  width: 46px;
  height: 34px;
  margin-bottom: 26px;
  place-items: center;
  border-radius: 6px;
  color: #061018;
  background: #79d8cd;
  font-size: 13px;
  font-weight: 900;
}

.section-heading {
  max-width: 790px;
  margin-bottom: 44px;
}

.standards {
  background: var(--soft);
}

.standards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.standards-grid div {
  padding-top: 22px;
  border-top: 4px solid var(--teal);
}

.check-list {
  display: grid;
  gap: 16px;
}

.check-list div {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.06);
}

.check-list strong,
.check-list span {
  display: block;
}

.check-list span {
  margin-top: 6px;
  color: var(--muted);
}

.contact-section {
  background: #ffffff;
}

.contact-form {
  display: grid;
  gap: 14px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.contact-form label {
  display: grid;
  gap: 7px;
  color: #334155;
  font-size: 14px;
  font-weight: 800;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  padding: 12px 13px;
  color: var(--ink);
  background: #ffffff;
  font: inherit;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 3px solid rgba(15, 148, 136, 0.2);
  border-color: var(--teal);
}

.contact-form button {
  width: fit-content;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 26px clamp(20px, 6vw, 82px);
  color: rgba(255, 255, 255, 0.74);
  background: #09111d;
  font-size: 14px;
}

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

  .hero {
    min-height: 86vh;
  }

  .hero-content {
    margin-left: 20px;
  }

  .trust-strip,
  .feature-grid,
  .standards-grid,
  .split,
  .two-column,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .feature-grid article {
    min-height: auto;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .site-header {
    padding: 14px 16px;
  }

  .brand {
    font-size: 15px;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
  }

  .hero {
    min-height: 82vh;
  }

  .hero-overlay {
    background: linear-gradient(180deg, rgba(6, 13, 23, 0.9), rgba(6, 13, 23, 0.65));
  }

  .hero-actions {
    display: grid;
  }

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

  h1 {
    font-size: 52px;
  }

  h2 {
    font-size: 34px;
  }

  .section,
  .standards,
  .contact-section,
  .feature-band {
    padding-right: 18px;
    padding-left: 18px;
  }

  .contact-form {
    padding: 20px;
  }
}