:root {
  --ink: #172033;
  --muted: #5b677a;
  --line: #d9e0ea;
  --surface: #ffffff;
  --surface-soft: #f5f7fb;
  --brand: #0f766e;
  --brand-strong: #0a5f59;
  --accent: #fa6d04;
  --accent-strong: #c84f00;
  --nav: #111827;
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #f2f5f9;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.45;
}

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

a {
  color: inherit;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 68px;
  padding: 12px clamp(18px, 5vw, 58px);
  color: #ffffff;
  background: rgba(17, 24, 39, 0.88);
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  text-decoration: none;
  font-weight: 800;
}

.brand img {
  width: 38px;
  height: 38px;
  object-fit: contain;
  border-radius: 6px;
  background: #ffffff;
}

.brand span {
  white-space: nowrap;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 14px;
  font-weight: 700;
}

.site-header nav a {
  color: #e5edf6;
  text-decoration: none;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: center;
  padding: 110px clamp(20px, 6vw, 76px) 76px;
  overflow: hidden;
  color: #ffffff;
  background:
    linear-gradient(90deg, rgba(13, 22, 35, 0.94), rgba(13, 22, 35, 0.70) 46%, rgba(13, 22, 35, 0.34)),
    url("assets/chat.png") center right / cover no-repeat;
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 88px;
  background: linear-gradient(180deg, rgba(242, 245, 249, 0), #f2f5f9);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1,
.section h2,
.platform-band h2 {
  margin: 0;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 680px;
  font-size: clamp(42px, 8vw, 78px);
  line-height: 0.98;
}

.hero-content > p:not(.eyebrow) {
  max-width: 670px;
  margin: 22px 0 0;
  color: #d8e1ed;
  font-size: 20px;
}

.hero-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 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 900;
}

.button.primary {
  color: #ffffff;
  background: var(--accent);
}

.button.primary:hover {
  background: var(--accent-strong);
}

.button.secondary {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.52);
  background: rgba(255, 255, 255, 0.10);
}

.hero-media {
  position: absolute;
  z-index: 1;
  right: clamp(16px, 6vw, 92px);
  bottom: 46px;
  width: min(42vw, 560px);
  min-width: 320px;
  opacity: 0.82;
  pointer-events: none;
}

.hero-shot {
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--radius);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.32);
}

.hero-shot-main {
  width: 72%;
  margin-left: auto;
}

.hero-shot-small {
  width: 56%;
  margin-top: -42px;
}

.trust-strip {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 1180px;
  margin: -36px auto 0;
  padding: 0 clamp(16px, 4vw, 28px);
}

.trust-strip div {
  min-height: 110px;
  display: grid;
  align-content: center;
  gap: 6px;
  padding: 22px;
  background: #ffffff;
  border: 1px solid var(--line);
}

.trust-strip strong {
  color: var(--brand-strong);
  font-size: 18px;
}

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

.section,
.platform-band {
  max-width: 1180px;
  margin: 0 auto;
  padding: 82px clamp(16px, 4vw, 28px);
}

.section-head {
  max-width: 760px;
}

.section h2,
.platform-band h2 {
  color: #172033;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.08;
}

.section-head p:not(.eyebrow),
.platform-band p {
  color: var(--muted);
  font-size: 18px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.service-card {
  min-height: 232px;
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
}

.service-card span {
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  color: #ffffff;
  border-radius: 6px;
  background: var(--brand);
  font-weight: 900;
}

.service-card h3 {
  margin: 0;
  font-size: 20px;
}

.service-card p {
  margin: 0;
  color: var(--muted);
}

.platform-band {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  align-items: center;
  gap: 32px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.platform-band .button {
  width: max-content;
}

.app-wall {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(112px, 1fr));
  gap: 12px;
}

.app-wall a {
  display: grid;
  place-items: center;
  width: 100%;
  aspect-ratio: 1 / 1;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.app-wall a:hover {
  border-color: rgba(250, 109, 4, 0.52);
  box-shadow: 0 14px 34px rgba(17, 24, 39, 0.12);
  transform: translateY(-2px);
}

.app-wall img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.contact-section {
  padding-top: 72px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1.2fr;
  gap: 14px;
  margin-top: 30px;
}

.contact-card {
  min-height: 118px;
  display: grid;
  align-content: center;
  gap: 6px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  text-decoration: none;
}

.contact-card strong {
  color: var(--brand-strong);
  font-size: 18px;
}

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

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 26px clamp(20px, 6vw, 76px);
  color: #d8e1ed;
  background: var(--nav);
  font-size: 14px;
}

@media (max-width: 920px) {
  .site-header {
    position: static;
    color: #ffffff;
    background: var(--nav);
  }

  .site-header,
  .site-header nav,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .brand span {
    white-space: normal;
  }

  .hero {
    min-height: auto;
    padding-top: 64px;
  }

  .hero-media {
    display: none;
  }

  .trust-strip,
  .services-grid,
  .platform-band,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .platform-band .button {
    width: 100%;
  }
}

@media (max-width: 560px) {
  .hero {
    padding-left: 18px;
    padding-right: 18px;
  }

  .hero h1 {
    font-size: 40px;
  }

  .hero-content > p:not(.eyebrow),
  .section-head p:not(.eyebrow),
  .platform-band p {
    font-size: 16px;
  }

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