:root {
  --bg: #ffffff;
  --bg-soft: #f8fbfc;
  --text: #0c0c0c;
  --muted: rgba(12, 12, 12, 0.68);
  --line: rgba(12, 12, 12, 0.08);
  --teal: #006778;
  --blue: #00afc1;
  --yellow: #ffd124;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  --radius: 24px;
  --radius-lg: 32px;
  --max: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

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

.container {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.narrow {
  max-width: 850px;
}

.center {
  text-align: center;
}

.section {
  padding: 72px 0;
}

.section-tight {
  padding: 56px 0;
}

.section-alt {
  background: var(--bg-soft);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  height: 48px;
  width: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}

.main-nav a {
  font-size: 14px;
  color: rgba(12, 12, 12, 0.7);
}

.main-nav a:hover {
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 20px;
  border-radius: 14px;
  font-size: 14px;
  font-weight: 600;
  transition: 0.2s ease;
}

.btn-primary {
  background: var(--teal);
  color: #fff;
}

.btn-primary:hover {
  opacity: 0.95;
}

.btn-secondary {
  border: 1px solid rgba(0, 103, 120, 0.2);
  color: var(--teal);
  background: #fff;
}

.btn-secondary:hover {
  background: rgba(0, 103, 120, 0.04);
}

.btn-light {
  background: #fff;
  color: var(--text);
}

.btn-outline-light {
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.05);
}

.hero-grid,
.two-col {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(0, 175, 193, 0.08);
  border: 1px solid rgba(0, 175, 193, 0.16);
  color: var(--teal);
  font-size: 12px;
  font-weight: 600;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

h1 {
  margin-top: 18px;
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 700;
}

h2 {
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 700;
}

h3 {
  font-size: 28px;
  font-weight: 700;
}

.hero-text,
.section-text,
p {
  color: var(--muted);
}

.hero-text {
  margin-top: 22px;
  font-size: 18px;
}

.section-text {
  margin-top: 18px;
  font-size: 18px;
}

.left-text {
  text-align: left;
}

.button-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.card,
.card-image {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card {
  padding: 32px;
}

.card-image {
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.large-image,
.medium-image,
.support-image {
  margin-top: 28px;
}

.section-label,
.stack-label,
.team-role,
.mini-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
}

.lead-subtitle {
  margin-top: 18px;
  font-size: 20px;
  color: rgba(12, 12, 12, 0.85);
}

.highlight-strip {
  margin-top: 28px;
  padding: 14px 16px;
  background: rgba(255, 209, 36, 0.18);
  border-radius: 16px;
  font-size: 14px;
  font-weight: 600;
}

.mini-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  height: 100%;
}

.mini-panel {
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 20px;
}

.dark-panel {
  background: var(--teal);
  color: #fff;
}

.dark-panel .mini-label {
  color: rgba(255, 255, 255, 0.72);
}

.light-panel {
  background: #f8fbfc;
}

.wide-panel {
  grid-column: 1 / -1;
  background: #fff;
}

.mini-placeholder {
  margin-top: 30px;
  height: 120px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.12);
}

.light-panel .mini-placeholder,
.wide-panel .mini-placeholder {
  background: rgba(0, 103, 120, 0.06);
}

.section-heading {
  max-width: 700px;
}

.three-grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.compact-grid {
  margin-top: 26px;
}

.value-card p,
.side-card p,
.stack-card p,
.muted-card p,
.team-content p {
  margin-top: 12px;
  font-size: 15px;
  line-height: 1.75;
}

.icon-block {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: rgba(0, 103, 120, 0.1);
  margin-bottom: 18px;
}

.soft-chip-card {
  background: rgba(0, 103, 120, 0.05);
  color: var(--teal);
  border-radius: 18px;
  padding: 16px;
  font-size: 14px;
  font-weight: 600;
}

.stack-grid {
  margin-top: 28px;
  display: grid;
  gap: 20px;
}

.primary-stack-card {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: end;
  background: var(--teal);
  color: #fff;
  border-color: rgba(0, 103, 120, 0.15);
}

.primary-stack-card p,
.primary-stack-card .stack-label {
  color: rgba(255, 255, 255, 0.76);
}

.primary-stack-card .stack-label {
  color: rgba(255, 255, 255, 0.7);
}

.pill {
  padding: 12px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.12);
  font-size: 14px;
  white-space: nowrap;
}

.two-col-small {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.muted-card {
  background: var(--bg-soft);
}

.side-cards {
  display: grid;
  gap: 16px;
}

.side-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.birac-logo {
  height: 36px;
  width: auto;
}

.about-grid {
  align-items: start;
}

.team-grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.team-card {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 20px;
  align-items: center;
  padding: 24px;
  overflow: hidden;
}

.team-photo {
  width: 140px;
  height: 140px;
  object-fit: cover;
  object-position: top;
  border-radius: 16px;
}

.team-content {
  padding: 0;
}

.team-role {
  margin-top: 8px;
}

.team-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.team-links a {
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 4px;
  font-size: 14px;
}

.chip-row {
  margin-top: 18px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.chip {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(0, 103, 120, 0.08);
  color: var(--teal);
  font-size: 13px;
  font-weight: 600;
}

.chip-accent {
  background: rgba(255, 209, 36, 0.22);
  color: var(--text);
}

.cta-block {
  background: var(--text);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 48px;
}

.cta-block p {
  color: rgba(255, 255, 255, 0.74);
}

.section-label-light {
  color: rgba(255, 255, 255, 0.62);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #fff;
}

.footer-inner {
  padding: 40px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.footer-logo {
  height: 42px;
  width: auto;
}

.footer-text,
.footer-location {
  color: rgba(12, 12, 12, 0.62);
  font-size: 14px;
}

.footer-text {
  max-width: 560px;
}

@media (max-width: 980px) {
  .hero-grid,
  .two-col,
  .about-grid,
  .team-grid,
  .three-grid,
  .two-col-small {
    grid-template-columns: 1fr;
  }

  .primary-stack-card {
    flex-direction: column;
    align-items: start;
  }

  .footer-inner {
    flex-direction: column;
    align-items: start;
  }

  .main-nav {
    gap: 18px;
  }
}

@media (max-width: 720px) {
  .section {
    padding: 56px 0;
  }

  .header-inner {
    flex-direction: column;
    align-items: start;
    padding: 14px 0;
  }

  .main-nav {
    width: 100%;
    justify-content: flex-start;
  }

  .card {
    padding: 24px;
  }

  .cta-block {
    padding: 32px 24px;
  }

  .button-row {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .team-grid {
    grid-template-columns: 1fr;
  }

  .team-card {
    grid-template-columns: 100px 1fr;
    gap: 16px;
    padding: 20px;
  }

  .team-photo {
    width: 100px;
    height: 100px;
    border-radius: 14px;
  }
}