:root {
  --bg: #ffffff;
  --text: #000000;
  --muted: rgba(0, 0, 0, .68);
  --border: rgba(0, 0, 0, .14);
  --border-strong: rgba(0, 0, 0, .22);
  --max: 1080px;
  --radius: 16px;
}

* {
  box-sizing: border-box
}

html,
body {
  height: 100%
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  line-height: 1.6;
}

a {
  color: inherit
}

.container {
  width: min(var(--max), calc(100% - 3rem));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
}

.skip-link:focus {
  left: 1.5rem;
  top: 1.5rem;
  padding: .7rem 1rem;
  background: #fff;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:20;
  background:#fff;
  border-bottom:1px solid var(--border);
}

.header-inner{
  padding: .9rem 0;
}

/* Stacked header layout */
.header-stacked{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap: .5rem;
}

.brand{display:flex; align-items:center; text-decoration:none;}

.brand-logo{height:34px; width:auto; display:block;}
.brand-logo-xl{height:80px; width:auto; display:block;} /* bigger logo */

.nav-under{
  display:flex;
  gap:.5rem;
  justify-content:center;
  flex-wrap:wrap;
  align-items:center;
}

.nav-link{
  text-decoration:none;
  padding:.35rem .7rem;
  border-radius:999px;
  border:1px solid transparent;
  color:var(--muted);
}

.nav-link:hover{
  border-color:var(--border);
  color:var(--text);
}

/* Layout + spacing */
.section {
  padding: 5.25rem 0;
  /* more spacing */
}

.section.alt {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.1rem, 3.6vw, 3.15rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

h2 {
  margin: 0 0 .75rem;
  font-size: 1.6rem;
  letter-spacing: -0.01em;
}

p {
  margin: 0
}

.lead {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 60ch;
}

.muted {
  color: var(--muted)
}

.small {
  font-size: .92rem
}

/* Buttons */
.cta-row {
  display: flex;
  gap: .9rem;
  flex-wrap: wrap;
  margin-top: 1.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .9rem 1.1rem;
  border-radius: 999px;
  border: 1px solid #000;
  background: #000;
  color: #fff;
  font-weight: 650;
  text-decoration: none;
}

.btn:hover {
  opacity: .9
}

.btn-ghost {
  background: #fff;
  color: #000;
  border: 1px solid var(--border-strong);
}

/* Hero */
.hero {
  padding: 5.75rem 0 4.75rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 3rem;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .35rem .7rem;
  color: var(--muted);
  font-size: .9rem;
}

.hero-media {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  min-height: 320px;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.hero-media p {
  margin: 0;
  color: var(--muted);
  text-align: center
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.media {
  margin: 0;
}

.media img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
}

.caption {
  margin-top: .9rem;
  color: var(--muted);
  font-size: .95rem;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 2rem;
  align-items: start;
}

.card {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 1.6rem;
}

.form {
  margin-top: 1.2rem;
  display: grid;
  gap: 1rem;
}

label {
  display: grid;
  gap: .4rem;
  color: var(--muted);
  font-size: .95rem;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: .85rem .95rem;
  font: inherit;
  color: var(--text);
  background: #fff;
  outline: none;
}

input:focus,
textarea:focus {
  border-color: #000;
}

.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 1rem;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--text)
}

/* Responsive */
@media (max-width: 920px) {
  .container {
    width: min(var(--max), calc(100% - 2rem));
  }

  .hero-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 4.5rem 0 3.5rem;
  }

  .section {
    padding: 4rem 0;
  }

  .header-inner {
    gap: .5rem;
    padding: .65rem 0;
  }

  .brand-logo-xl {
    height: 56px;
  }

  .nav-link {
    padding: .3rem .5rem;
  }
}

/* Partners / Infrastructure */
.infra{
  display:grid;
  gap: 1.25rem;
}

.infra-head{
  max-width: 72ch;
}

.logo-row{
  display:flex;
  justify-content:center;
  gap: .75rem;
  flex-wrap:wrap;
  align-items:center;
  margin-top: .25rem;
  margin-bottom: .25rem;
}

.logo-pill{
  border:1px solid var(--border-strong);
  border-radius: 999px;
  padding: .65rem .9rem;
  display:flex;
  align-items:center;
  justify-content:center;
  min-height: 44px;
}

.logo-placeholder{
  color: var(--muted);
  font-size: .95rem;
  letter-spacing: .01em;
}

/* Cards side-by-side with gaps */
.infra-grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem; /* gap between cards */
  align-items: stretch;
}

.infra-grid h3{
  margin: 0 0 .5rem;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.infra-note{
  margin-top: .25rem;
}

.partner-logo-card{
  height: 150px;
  width: auto;
  display: block;
  margin: 0 auto .75rem;
}