/* ===========================================================
   CSCE 412 Portfolio — shared stylesheet (simplified)
   =========================================================== */

:root {
  --brand-primary: #1b3a5c;
  --brand-accent: #3f8efc;
  --text-main: #1c1c1e;
  --text-muted: #5a6472;
  --bg-main: #ffffff;
  --border: #e2e6ec;
  --max-width: 760px;
}

* {
  box-sizing: border-box;
}

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

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

a:hover {
  text-decoration: underline;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---- Header / nav ---- */

header.site-header {
  border-bottom: 1px solid var(--border);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--text-main);
}

.brand img {
  width: 24px;
  height: 24px;
  display: block;
}

nav.site-nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
  margin: 0;
  padding: 0;
}

nav.site-nav a {
  color: var(--text-muted);
}

nav.site-nav a.active,
nav.site-nav a:hover {
  color: var(--brand-primary);
}

/* ---- Page heading ---- */

.hero {
  padding: 40px 0 8px;
}

.hero h1 {
  font-size: 1.9rem;
  margin: 0 0 8px;
  color: var(--brand-primary);
}

.hero p.tagline {
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 0 20px;
}

.btn {
  display: inline-block;
  padding: 9px 18px;
  border: 1px solid var(--brand-primary);
  border-radius: 4px;
  font-weight: 600;
  color: var(--brand-primary);
}

.btn:hover {
  background: var(--brand-primary);
  color: #fff;
  text-decoration: none;
}

/* ---- Sections ---- */

main {
  padding: 32px 0 56px;
}

section + section {
  margin-top: 36px;
}

h2.section-title {
  font-size: 1.3rem;
  color: var(--brand-primary);
  margin-bottom: 12px;
}

.plain-list {
  padding-left: 20px;
  margin: 0;
}

.plain-list li {
  margin-bottom: 6px;
}

.item + .item {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.item h3 {
  margin: 0 0 4px;
}

.item p {
  color: var(--text-muted);
  margin: 0 0 6px;
}

.social-links a {
  margin-right: 16px;
}

form.contact-form {
  display: grid;
  gap: 12px;
  max-width: 420px;
}

form.contact-form label {
  font-weight: 600;
  font-size: 0.9rem;
}

form.contact-form input,
form.contact-form textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font: inherit;
}

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

footer.site-footer {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  color: var(--text-muted);
  font-size: 0.85rem;
}

@media (max-width: 560px) {
  .site-header .wrap {
    flex-direction: column;
    gap: 8px;
  }
  nav.site-nav ul {
    gap: 14px;
    flex-wrap: wrap;
    justify-content: center;
  }
}