/* HarrisonV site styles
   Palette: gray background, black text, navy blue highlights */

:root {
  --color-bg: #e2e2e2;
  --color-bg-alt: #f4f4f4;
  --color-text: #111111;
  --color-navy: #0a1f44;
  --color-navy-light: #1b3a72;
  --color-border: #c7c7c7;
  --header-height: 64px;
  --max-width: 1000px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a:hover,
a:focus {
  text-decoration: underline;
}

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

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

.site-header {
  background-color: var(--color-bg-alt);
  border-bottom: 3px solid var(--color-navy);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-navy);
  letter-spacing: 0.02em;
  text-decoration: none;
  white-space: nowrap;
}

.logo:hover,
.logo:focus {
  text-decoration: none;
  color: var(--color-navy-light);
}

/* Hamburger button */

.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  background: transparent;
  border: 2px solid var(--color-navy);
  border-radius: 4px;
  cursor: pointer;
  padding: 0;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-navy);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Nav */

.site-nav {
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  background-color: var(--color-bg-alt);
  border-bottom: 3px solid var(--color-navy);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}

.site-nav.open {
  max-height: 320px;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0.5rem 1rem 1rem;
  display: flex;
  flex-direction: column;
}

.site-nav a {
  display: block;
  padding: 0.75rem 0.5rem;
  color: var(--color-text);
  font-weight: 600;
  border-radius: 4px;
}

.site-nav a:hover,
.site-nav a:focus {
  background-color: var(--color-navy);
  color: #ffffff;
  text-decoration: none;
}

.site-nav a.active {
  color: var(--color-navy);
  border-bottom: 2px solid var(--color-navy);
}

/* ---------- Layout ---------- */

main {
  flex: 1;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1rem 3rem;
}

.page-title,
main > h1 {
  color: var(--color-navy);
  border-bottom: 2px solid var(--color-navy);
  padding-bottom: 0.5rem;
  margin-top: 0;
}

.card {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-left: 5px solid var(--color-navy);
  border-radius: 6px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
}

.card h2 {
  margin-top: 0;
  color: var(--color-navy);
}

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.button-link {
  display: inline-block;
  background-color: var(--color-navy);
  color: #ffffff;
  padding: 0.6rem 1.25rem;
  border-radius: 4px;
  font-weight: 600;
  margin-top: 0.5rem;
}

.button-link:hover,
.button-link:focus {
  background-color: var(--color-navy-light);
  text-decoration: none;
}

.site-footer {
  text-align: center;
  padding: 1.5rem 1rem;
  color: var(--color-text);
  background-color: var(--color-bg-alt);
  border-top: 3px solid var(--color-navy);
  font-size: 0.9rem;
}

/* ---------- Video embeds (e.g. YouTube Shorts, 9:16) ---------- */

.video-embed {
  position: relative;
  width: 100%;
  max-width: 405px;
  margin: 1.5rem auto;
  padding-top: 177.78%; /* 9:16 aspect ratio */
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  background-color: #000000;
}

.video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ---------- Responsive: desktop nav ---------- */

@media (min-width: 700px) {
  .hamburger {
    display: none;
  }

  .site-nav {
    position: static;
    max-height: none;
    overflow: visible;
    background: transparent;
    border-bottom: none;
  }

  .site-nav ul {
    flex-direction: row;
    padding: 0;
    gap: 0.5rem;
  }

  .site-nav a {
    padding: 0.5rem 0.75rem;
  }

  .card-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }
}