:root {
  --color-bg: #ffffff;
  --color-text: #1f2933;
  --color-muted: #5b6470;
  --color-primary: #1a73e8;
  --color-primary-dark: #0d47a1;
  --color-border: #e3e6ea;
  --max-width: 1100px;
  --font-base: "Google Sans", "Segoe UI", Roboto, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

/* ---------- Header / Nav ---------- */

header.site-header {
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background: var(--color-bg);
  z-index: 100;
}

.nav-wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
}

nav.main-nav ul {
  list-style: none;
  display: flex;
  gap: 1.75rem;
  margin: 0;
  padding: 0;
}

nav.main-nav a {
  color: var(--color-text);
  font-weight: 500;
  padding: 0.4rem 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
}

nav.main-nav a:hover,
nav.main-nav a.active {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom-color: var(--color-primary);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
  color: var(--color-text);
}

@media (max-width: 720px) {
  nav.main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }

  nav.main-nav.open {
    max-height: 300px;
  }

  nav.main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 1.5rem 1rem;
  }

  nav.main-nav a {
    display: block;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-toggle {
    display: block;
  }
}

/* ---------- Hero ---------- */

.hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 5rem 1.5rem 4rem;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  margin: 0 0 1.25rem;
  color: var(--color-text);
}

.hero .lead {
  font-size: 1.15rem;
  color: var(--color-muted);
  max-width: 760px;
  margin: 0 auto 1.25rem;
}

/* ---------- Page content ---------- */

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

.page-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin: 2.5rem 0 1.5rem;
}

.section {
  padding: 2.5rem 0;
  border-top: 1px solid var(--color-border);
}

.section:first-of-type {
  border-top: none;
}

.section h2 {
  font-size: 1.6rem;
  margin: 0 0 0.5rem;
}

.section p {
  color: var(--color-muted);
  max-width: 760px;
}

/* ---------- Team / About ---------- */

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.team-card {
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1.75rem;
}

.team-card .avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  margin-bottom: 1rem;
}

.team-card h3 {
  margin: 0 0 0.1rem;
  font-size: 1.15rem;
}

.team-card .role {
  color: var(--color-primary);
  font-weight: 500;
  font-size: 0.95rem;
  margin-bottom: 0.85rem;
}

.team-card p {
  color: var(--color-muted);
  font-size: 0.97rem;
  margin: 0;
}

/* ---------- Placeholder / coming soon ---------- */

.placeholder {
  border: 1px dashed var(--color-border);
  border-radius: 12px;
  padding: 3rem 1.5rem;
  text-align: center;
  color: var(--color-muted);
  margin-top: 2rem;
}

/* ---------- Footer ---------- */

footer.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 1.5rem;
  text-align: center;
  color: var(--color-muted);
  font-size: 0.9rem;
}