*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #FFFFFF;
  --surface: #F5F5F7;
  --surface-2: #EFEFF2;
  --text: #1D1D1F;
  --text-mid: #6E6E73;
  --text-light: #86868B;
  --accent: #0071E3;
  --line: #D2D2D7;
  --line-soft: #E8E8ED;
  --display: 'Inter Tight', sans-serif;
  --body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
  font-family: var(--body);
  color: var(--text);
  background: var(--bg);
  font-size: 17px;
  line-height: 1.47;
  letter-spacing: -.022em;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 26px;
  border-radius: 980px;
  font-size: 15px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #0077ED; }
.btn-dark { background: #1D1D1F; color: #fff; }
.btn-dark:hover { background: #424245; }
.btn-light { background: #fff; color: var(--text); border: 1px solid var(--line-soft); }
.btn-light:hover { background: var(--surface); }

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 56px;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid rgba(0,0,0,.06);
}
.nav-inner {
  max-width: 1440px;
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo-img { display: block; width: 38px; height: 42px; object-fit: contain; }
.nav-logo svg { width: 26px; height: 26px; }
.nav-logo span {
  font-family: var(--display);
  font-weight: 700;
  font-size: 16px;
  color: var(--text);
  letter-spacing: -.02em;
}
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  opacity: .82;
}
.nav-links a:hover,
.nav-links a.active { opacity: 1; color: var(--accent); }
.nav-cta { display: inline-flex; align-items: center; gap: 14px; }
.nav-cta .btn { padding: 8px 18px; font-size: 13px; }
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 999px;
  background: var(--surface);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span {
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 999px;
  transition: transform .2s ease, opacity .2s ease;
}
body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.brand-hero {
  min-height: 760px;
  padding: 136px 48px 80px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, .95fr);
  gap: 56px;
  align-items: center;
  max-width: 1440px;
  margin: 0 auto;
}
.back-link {
  display: inline-flex;
  color: var(--accent);
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 42px;
}
.back-link::before { content: '<'; margin-right: 6px; }
.brand-kicker,
.section-label {
  font-family: var(--display);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.brand-hero h1 {
  font-family: var(--display);
  font-size: clamp(58px, 9vw, 112px);
  line-height: .95;
  letter-spacing: -.055em;
  margin-bottom: 22px;
}
.brand-hero p {
  color: var(--text-mid);
  font-size: clamp(20px, 2vw, 28px);
  line-height: 1.35;
  letter-spacing: -.02em;
  max-width: 700px;
}
.brand-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 34px;
}
.brand-hero-visual {
  position: relative;
  min-height: 520px;
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(0,8,20,.48), rgba(0,113,227,.16)),
    url('../images/vercel-im-21.jpg');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.brand-hero-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 38%, rgba(0,0,0,.52) 100%),
    radial-gradient(circle at 22% 18%, color-mix(in srgb, var(--brand-accent, #0071E3) 34%, transparent), transparent 42%);
}
.brand-hero-visual::after {
  content: attr(data-brand);
  position: absolute;
  left: 30px;
  bottom: 26px;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,.9);
  color: var(--text);
  font-family: var(--display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: .08em;
  box-shadow: 0 16px 40px rgba(0,0,0,.18);
}

.brand-overview {
  max-width: 1280px;
  margin: 0 auto;
  padding: 100px 48px;
  border-top: 1px solid var(--line-soft);
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 72px;
}
.brand-overview h2 {
  font-family: var(--display);
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.05;
  letter-spacing: -.04em;
}
.brand-overview p {
  color: var(--text-mid);
  font-size: 21px;
  line-height: 1.58;
  letter-spacing: -.018em;
}

.brand-grid {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 48px 96px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.brand-panel {
  min-height: 420px;
  border-radius: 24px;
  background: var(--surface);
  padding: 44px;
}
.brand-panel.dark {
  background: #1D1D1F;
  color: #fff;
}
.brand-panel.dark .section-label { color: #2997FF; }
.solution-list,
.market-list {
  list-style: none;
  display: grid;
  gap: 18px;
}
.solution-list li,
.market-list li {
  position: relative;
  padding-left: 24px;
  color: var(--text-mid);
  font-size: 18px;
  line-height: 1.55;
}
.market-list li { color: rgba(255,255,255,.72); }
.solution-list li::before,
.market-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.brand-specs {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 48px 100px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.spec-card {
  border-top: 1px solid var(--line-soft);
  padding-top: 22px;
}
.spec-card span {
  display: block;
  color: var(--text-light);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.spec-card strong {
  font-family: var(--display);
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -.02em;
}

.brand-cta {
  max-width: 1184px;
  margin: 0 auto 96px;
  padding: 72px 48px;
  border-radius: 28px;
  background: #000;
  color: #fff;
  text-align: center;
}
.brand-cta h2 {
  font-family: var(--display);
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.05;
  letter-spacing: -.04em;
  margin-bottom: 14px;
}
.brand-cta p {
  color: rgba(255,255,255,.68);
  max-width: 680px;
  margin: 0 auto 28px;
  line-height: 1.55;
}

footer {
  background: #1D1D1F;
  color: #fff;
  padding: 80px 0 32px;
}
.footer-inner { max-width: 1280px; margin: 0 auto; padding: 0 48px; }
.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(180px, 1fr) minmax(180px, 1fr);
  gap: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-brand .nav-logo span { color: #fff; }
.footer-brand .nav-logo svg polygon { fill: #fff !important; }
.footer-desc {
  font-size: 14px;
  color: rgba(255,255,255,.55);
  line-height: 1.6;
  margin-top: 16px;
  max-width: 320px;
}
.footer-certifications { display: flex; align-items: center; gap: 10px; margin-top: 20px; }
.footer-certifications img { width: 88px; height: 68px; padding: 6px; object-fit: contain; border-radius: 6px; background: #fff; }
.footer-col-title {
  font-family: var(--display);
  font-weight: 600;
  font-size: 13px;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 12px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,.55); transition: color .15s; }
.footer-links a:hover { color: #fff; }
.footer-socials { display: flex; gap: 10px; margin-top: 12px; }
.social-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: rgba(255,255,255,.6);
  transition: all .15s;
  font-weight: 600;
}
.social-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.footer-bottom {
  padding-top: 28px;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  width: 100%;
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,.4);
}
.footer-bottom-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-bottom-links a { color: rgba(255,255,255,.5); }
.footer-bottom-links a:hover { color: #fff; }

@media (max-width: 1080px) {
  .brand-hero,
  .brand-overview,
  .brand-grid { grid-template-columns: 1fr; }
  .brand-hero { min-height: auto; }
  .brand-hero-visual { min-height: 420px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }
  .nav-cta .btn { display: none; }
  .nav-links {
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    display: grid;
    gap: 0;
    padding: 8px 32px 24px;
    background: rgba(255,255,255,.98);
    border-bottom: 1px solid rgba(0,0,0,.06);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform .22s ease, opacity .22s ease;
  }
  body.nav-open .nav-links {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-links a {
    display: block;
    padding: 14px 0;
    font-size: 18px;
  }
  .brand-specs { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav-inner,
  .brand-hero,
  .brand-overview,
  .brand-grid,
  .brand-specs,
  .footer-inner {
    padding-left: 22px;
    padding-right: 22px;
  }
  .brand-hero { padding-top: 104px; padding-bottom: 56px; }
  .brand-hero-visual { min-height: 300px; border-radius: 20px; }
  .brand-actions { flex-direction: column; }
  .brand-actions .btn { width: 100%; }
  .brand-overview { padding-top: 72px; padding-bottom: 72px; }
  .brand-panel { padding: 30px; min-height: auto; }
  .brand-cta {
    margin-left: 22px;
    margin-right: 22px;
    padding: 54px 26px;
    border-radius: 22px;
  }
  .footer-top { grid-template-columns: 1fr; }
}