:root {
  --ink: #141414;
  --muted: #5e6673;
  --line: #dfe4ea;
  --paper: #ffffff;
  --soft: #f4f7fb;
  --hot: #ff2b5f;
  --cyan: #10cfc9;
  --green: #2d8f5f;
  --gold: #b48326;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 6px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

nav a,
.site-footer a {
  text-decoration: none;
}

nav a:hover,
.site-footer a:hover {
  color: var(--hot);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  min-height: 680px;
  padding: clamp(52px, 7vw, 110px) clamp(20px, 5vw, 72px);
  background:
    linear-gradient(135deg, rgba(16, 207, 201, 0.14), transparent 42%),
    linear-gradient(315deg, rgba(255, 43, 95, 0.11), transparent 46%),
    #f8fafc;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 22px;
  max-width: 820px;
  font-size: clamp(42px, 6vw, 78px);
  line-height: 1.02;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(28px, 3.5vw, 48px);
  line-height: 1.12;
}

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

.hero-copy p:not(.eyebrow),
.section-heading p,
.feature p,
.workflow p,
.data-panel,
.contact-section p,
.legal-page p {
  color: var(--muted);
}

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

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 700;
}

.primary-button {
  background: var(--hot);
  color: var(--paper);
}

.secondary-button {
  border: 1px solid var(--line);
  background: var(--paper);
}

.hero-media {
  display: flex;
  justify-content: center;
}

.device-frame {
  width: min(100%, 430px);
  min-height: 500px;
  padding: 26px;
  background: #101215;
  color: var(--paper);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  box-shadow: 0 26px 70px rgba(20, 20, 20, 0.22);
}

.media-topbar {
  width: 96px;
  height: 8px;
  margin-bottom: 36px;
  background: linear-gradient(90deg, var(--hot), var(--cyan));
  border-radius: 999px;
}

.product-visual {
  position: relative;
  height: 245px;
  margin-bottom: 28px;
  background:
    radial-gradient(circle at 50% 46%, rgba(16, 207, 201, 0.18), transparent 34%),
    linear-gradient(180deg, #1c2026, #111317);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  overflow: hidden;
}

.phone-stand,
.light-ring,
.speaker-dot {
  position: absolute;
}

.phone-stand {
  left: 74px;
  top: 56px;
  width: 98px;
  height: 136px;
  border: 10px solid var(--paper);
  border-radius: 18px;
  transform: rotate(-8deg);
}

.phone-stand::after {
  content: "";
  position: absolute;
  left: 38px;
  bottom: -46px;
  width: 10px;
  height: 42px;
  background: var(--cyan);
}

.light-ring {
  right: 52px;
  top: 42px;
  width: 132px;
  height: 132px;
  border: 22px solid var(--cyan);
  border-radius: 50%;
}

.light-ring::after {
  content: "";
  position: absolute;
  left: 34px;
  top: 34px;
  width: 42px;
  height: 42px;
  background: var(--paper);
  border-radius: 50%;
}

.speaker-dot {
  right: 112px;
  bottom: 42px;
  width: 80px;
  height: 42px;
  background: var(--hot);
  border-radius: 999px;
}

.metric-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.metric-row span {
  color: #a8b0bd;
}

.section {
  padding: clamp(56px, 7vw, 96px) clamp(20px, 5vw, 72px);
}

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

.section-heading {
  max-width: 860px;
  margin-bottom: 30px;
}

.feature-grid,
.workflow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature,
.workflow > div,
.data-panel,
address {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.feature,
.workflow > div {
  padding: 24px;
}

.workflow {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.step {
  display: block;
  margin-bottom: 18px;
  color: var(--hot);
  font-weight: 700;
}

.data-panel {
  max-width: 1000px;
  padding: clamp(22px, 4vw, 34px);
}

.data-panel ul {
  margin: 20px 0;
  padding-left: 20px;
}

.data-panel li + li {
  margin-top: 8px;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.6fr);
  gap: 24px;
  align-items: start;
  background: #101215;
  color: var(--paper);
}

address {
  display: grid;
  gap: 8px;
  padding: 24px;
  color: var(--ink);
  font-style: normal;
}

address span {
  color: var(--muted);
  font-size: 13px;
}

address a {
  color: var(--hot);
  font-weight: 700;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 24px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.site-footer div {
  display: flex;
  gap: 18px;
}

.legal-page {
  max-width: 900px;
  padding: clamp(50px, 8vw, 96px) clamp(20px, 5vw, 72px);
}

.legal-page h1 {
  font-size: clamp(36px, 5vw, 60px);
}

.legal-page h2 {
  margin-top: 34px;
  font-size: 24px;
}

@media (max-width: 920px) {
  .hero,
  .contact-section,
  .workflow,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

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

@media (max-width: 560px) {
  nav {
    justify-content: flex-start;
  }

  h1 {
    font-size: 40px;
  }

  .device-frame {
    min-height: 430px;
  }

  .product-visual {
    height: 210px;
  }
}