/* ================================
   Base
================================ */

:root {
  --background: #ffffff;
  --background-soft: #f5f7f8;
  --text: #172126;
  --text-soft: #5d6a70;
  --border: #dce3e6;
  --primary: #173f4f;
  --primary-hover: #0e2f3c;
  --accent: #2c6975;
  --max-width: 1180px;
  --radius: 12px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Helvetica,
    Arial,
    sans-serif;

  color: var(--text);
  background: var(--background);
  line-height: 1.65;
}

a {
  color: inherit;
}

.container {
  width: min(92%, var(--max-width));
  margin: 0 auto;
}


/* ================================
   Header
================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;

  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border);
}

.header-content {
  min-height: 72px;

  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 30px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;

  text-decoration: none;
}

.brand-name {
  font-size: 1.35rem;
  font-weight: 750;
  letter-spacing: 0.03em;

  color: var(--primary);
}

.brand-full {
  color: var(--text-soft);
  font-size: 0.95rem;
}

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

.main-nav a {
  text-decoration: none;
  color: var(--text-soft);
  font-size: 0.95rem;
  font-weight: 500;
}

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


/* ================================
   Hero
================================ */
.hero-logo {
  display: block;
  max-width: 1100px;
  width: 100%;
  height: auto;
  margin: 0 auto 2rem;
}

.hero {
  padding: 110px 0 105px;

  border-bottom: 1px solid var(--border);

  background:
    linear-gradient(
      180deg,
      #f7fafb 0%,
      #ffffff 100%
    );
}

.hero-content {
  max-width: 880px;
}

.eyebrow,
.section-label {
  margin: 0 0 12px;

  text-transform: uppercase;
  letter-spacing: 0.12em;

  font-size: 0.78rem;
  font-weight: 700;

  color: var(--accent);
}

.hero h1 {
  margin: 0;

  font-size: clamp(3rem, 7vw, 5.6rem);
  line-height: 1.02;

  letter-spacing: -0.04em;
}

.highlight {
  color: var(--primary);
}

.hero-description {
  max-width: 760px;

  margin: 28px 0 0;

  font-size: 1.25rem;
  line-height: 1.7;

  color: var(--text-soft);
}

.hero-actions {
  margin-top: 38px;

  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}


/* ================================
   Buttons
================================ */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  min-height: 46px;

  padding: 10px 20px;

  border-radius: 8px;

  text-decoration: none;
  font-weight: 650;
}

.button-primary {
  color: #ffffff;
  background: var(--primary);
}

.button-primary:hover {
  background: var(--primary-hover);
}

.button-secondary {
  color: var(--primary);
  background: #ffffff;

  border: 1px solid var(--border);
}

.button-secondary:hover {
  border-color: var(--primary);
}


/* ================================
   Sections
================================ */

.section {
  padding: 90px 0;
}

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

.section-heading {
  max-width: 720px;
  margin-bottom: 42px;
}

.section-heading h2,
.about-grid h2,
.community h2 {
  margin: 0 0 18px;

  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;

  letter-spacing: -0.025em;
}

.section-heading p,
.about-content,
.community-intro {
  color: var(--text-soft);
}


/* ================================
   Resource Cards
================================ */

.resource-grid {
  display: grid;

  grid-template-columns:
    repeat(3, minmax(0, 1fr));

  gap: 20px;
}

.resource-card {
  min-height: 300px;

  padding: 28px;

  border: 1px solid var(--border);
  border-radius: var(--radius);

  text-decoration: none;

  display: flex;
  flex-direction: column;

  background: #ffffff;

  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    border-color 0.18s ease;
}

.resource-card:hover {
  transform: translateY(-4px);

  border-color: #b7c7cd;

  box-shadow:
    0 12px 32px
    rgba(25, 52, 63, 0.08);
}

.card-number {
  color: #8b999f;

  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.resource-card h3 {
  margin: 22px 0 12px;
  font-size: 1.25rem;
  white-space: nowrap;
}

.resource-card p {
  margin: 0;

  color: var(--text-soft);
}

.card-link {
  margin-top: auto;
  padding-top: 28px;

  color: var(--primary);
  font-weight: 650;
}


/* ================================
   About
================================ */

.about-grid {
  display: grid;

  grid-template-columns: 0.8fr 1.4fr;

  gap: 70px;
}

.about-content p:first-child {
  margin-top: 0;
}


/* ================================
   Community
================================ */

.community {
  text-align: center;
}

.community-intro {
  max-width: 700px;
  margin: 0 auto 44px;
}

.community-grid {
  display: grid;

  grid-template-columns:
    repeat(3, minmax(0, 1fr));

  gap: 20px;

  text-align: left;
}

.community-item {
  padding: 26px;

  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.community-item h3 {
  margin-top: 0;
}

.community-item p {
  margin-bottom: 0;

  color: var(--text-soft);
}

.community-button {
  margin-top: 36px;
}


/* ================================
   Footer
================================ */

.site-footer {
  padding: 28px 0;

  border-top: 1px solid var(--border);

  color: var(--text-soft);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.footer-content strong {
  margin-right: 8px;

  color: var(--text);
}


/* ================================
   Responsive
================================ */

@media (max-width: 900px) {

  .resource-grid,
  .community-grid {
    grid-template-columns: 1fr 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

}


@media (max-width: 680px) {

  .header-content {
    flex-direction: column;
    align-items: flex-start;

    padding: 16px 0;
  }

  .main-nav {
    flex-wrap: wrap;
    gap: 16px;
  }

  .brand-full {
    display: none;
  }

  .hero {
    padding: 80px 0;
  }

  .resource-grid,
  .community-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 70px 0;
  }

  .footer-content {
    flex-direction: column;
  }

}