:root {
  --ink: #17211f;
  --muted: #5d6b68;
  --line: #d9e1df;
  --paper: #f8faf8;
  --white: #ffffff;
  --teal: #0b7c77;
  --teal-dark: #075d59;
  --amber: #c58524;
  --graphite: #24302e;
  --shadow: 0 24px 70px rgba(22, 33, 31, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}

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

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 56px);
  color: var(--white);
  transition:
    background 180ms ease,
    color 180ms ease,
    box-shadow 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  color: var(--ink);
  background: rgba(248, 250, 248, 0.94);
  box-shadow: 0 1px 0 rgba(23, 33, 31, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid currentColor;
  font-weight: 800;
}

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

.brand small {
  color: currentColor;
  font-size: 0.78rem;
  opacity: 0.72;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2vw, 30px);
  font-size: 0.94rem;
  font-weight: 650;
}

.site-nav a {
  opacity: 0.88;
}

.site-nav a:hover {
  opacity: 1;
}

.nav-cta {
  border: 1px solid currentColor;
  padding: 10px 16px;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid currentColor;
  color: inherit;
  background: transparent;
  place-items: center;
  padding: 10px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 2px 0;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 94vh;
  display: grid;
  align-items: end;
  padding: 128px clamp(18px, 4vw, 56px) 34px;
  color: var(--white);
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-media::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(12, 23, 21, 0.88) 0%, rgba(12, 23, 21, 0.64) 42%, rgba(12, 23, 21, 0.18) 100%),
    linear-gradient(0deg, rgba(12, 23, 21, 0.78) 0%, rgba(12, 23, 21, 0.12) 52%);
}

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

.hero-content {
  max-width: 760px;
  padding-bottom: 52px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--amber);
  font-size: 0.79rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(2.45rem, 6vw, 5.9rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
}

.hero-lead {
  max-width: 650px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(1.05rem, 1.5vw, 1.28rem);
}

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

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  padding: 13px 18px;
  font-weight: 800;
  transition:
    transform 160ms ease,
    background 160ms ease,
    border-color 160ms ease;
}

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

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

.button.primary:hover {
  background: var(--teal-dark);
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.56);
  color: var(--white);
}

.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 1120px;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(18px);
}

.hero-proof div {
  min-height: 112px;
  padding: 22px;
  background: rgba(12, 23, 21, 0.38);
}

.hero-proof strong,
.hero-proof span {
  display: block;
}

.hero-proof strong {
  margin-bottom: 6px;
  font-size: 1.18rem;
}

.hero-proof span {
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.96rem;
}

.section {
  padding: clamp(72px, 9vw, 128px) clamp(18px, 4vw, 56px);
}

.section-head {
  max-width: 900px;
  margin-bottom: 42px;
}

.section-head p:not(.eyebrow),
.split-section p,
.about-panel p,
.contact-section p,
.security-content p {
  color: var(--muted);
  font-size: 1.08rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.feature-card {
  min-height: 300px;
  padding: 26px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

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

.card-number {
  display: inline-block;
  margin-bottom: 48px;
  color: var(--teal);
  font-weight: 900;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1fr);
  gap: clamp(34px, 7vw, 96px);
  align-items: start;
  background: var(--white);
}

.timeline {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
  border-top: 1px solid var(--line);
}

.timeline li {
  position: relative;
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.timeline li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  color: var(--teal);
  font-weight: 900;
}

.timeline strong {
  display: block;
}

.timeline span {
  color: var(--muted);
}

.security-band {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1fr);
  gap: clamp(32px, 6vw, 88px);
  padding: clamp(72px, 9vw, 120px) clamp(18px, 4vw, 56px);
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(9, 67, 64, 0.98), rgba(33, 43, 41, 0.98)),
    var(--graphite);
}

.security-content p {
  color: rgba(255, 255, 255, 0.76);
}

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

.security-list div {
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
}

.security-list p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
}

.about-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 420px);
  gap: clamp(28px, 5vw, 72px);
  align-items: stretch;
}

.about-panel,
.quote-panel {
  background: var(--white);
  box-shadow: var(--shadow);
}

.about-panel {
  padding: clamp(28px, 5vw, 58px);
}

.quote-panel {
  display: flex;
  align-items: end;
  padding: 32px;
  border-left: 6px solid var(--amber);
}

.quote-panel p {
  margin: 0;
  font-size: 1.45rem;
  line-height: 1.2;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 520px);
  gap: clamp(28px, 6vw, 84px);
  padding: clamp(72px, 9vw, 124px) clamp(18px, 4vw, 56px);
  background: var(--white);
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 26px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 750;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 13px 14px;
  color: var(--ink);
  background: var(--white);
  font: inherit;
}

.contact-form textarea {
  resize: vertical;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(18px, 4vw, 56px);
  color: rgba(255, 255, 255, 0.78);
  background: var(--ink);
}

@media (max-width: 920px) {
  .nav-toggle {
    display: grid;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 18px 18px;
    color: var(--ink);
    background: rgba(248, 250, 248, 0.98);
    box-shadow: 0 18px 40px rgba(22, 33, 31, 0.12);
  }

  .site-header.is-open .site-nav {
    display: flex;
  }

  .site-nav a {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
  }

  .nav-cta {
    margin-top: 8px;
    border-color: var(--teal);
    color: var(--teal);
    text-align: center;
  }

  .hero {
    min-height: auto;
    padding-top: 110px;
  }

  .hero-content {
    padding-bottom: 32px;
  }

  .hero-proof,
  .feature-grid,
  .split-section,
  .security-band,
  .about-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

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

  .card-number {
    margin-bottom: 28px;
  }

  .timeline li {
    grid-template-columns: 70px 1fr;
  }
}

@media (max-width: 560px) {
  .brand small {
    display: none;
  }

  .hero {
    padding-left: 16px;
    padding-right: 16px;
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-proof div {
    min-height: 98px;
    padding: 18px;
  }

  .timeline li {
    grid-template-columns: 1fr;
    gap: 8px;
  }

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