:root {
  --bg: #373637;
  --hover-bg: #383637;
  --accent: #ce4c28;
  --text-light: #ffffff;
  --card-bg: #f4f4f4;
  --border-light: #d0d0d0;
}

html {
  height: 100%;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text-light);
  min-height: 100vh;
}

h1,
h2,
h3,
h4 {
  font-family: "Arvo", Georgia, serif;
}

.layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 260px;
  background-color: #353439;
  border-right: 1px solid #46454a;
  padding: 24px 18px;
}

.site-title {
  font-family: "Pacifico", "Arvo", cursive;
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.site-subtitle {
  font-size: 0.9rem;
  opacity: 0.9;
  margin-bottom: 24px;
}

.side-nav {
  list-style: none;
}

.side-nav li {
  margin-bottom: 4px;
}

.side-nav a {
  display: block;
  padding: 10px 12px;
  text-decoration: none;
  color: var(--text-light);
  font-family: "Arvo", Georgia, serif;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background-color: transparent;
  transition: background-color 0.15s ease;
}

.side-nav a:hover {
  background-color: var(--accent);
}

.side-nav a.active {
  background-color: var(--accent);
}

.content {
  flex: 1;
  padding: 32px 32px 40px;
}

.page-header {
  margin-bottom: 24px;
  text-align: center;
}

.page-header h1 {
  display: inline-block;
  font-size: 1.6rem;
  padding: 10px 26px;
  background-color: var(--accent);
  color: #373637;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.card {
  background-color: var(--card-bg);
  color: #222222;
  padding: 20px;
  border-radius: 4px;
  border: 1px solid var(--border-light);
}

.card + .card {
  margin-top: 20px;
}

.card h2 {
  font-size: 1.4rem;
  margin-bottom: 10px;
}

.card h3 {
  font-size: 1.1rem;
  margin-top: 14px;
  margin-bottom: 6px;
}

.card p {
  margin-bottom: 8px;
}

.card ul,
.card ol {
  margin-left: 20px;
  margin-bottom: 8px;
}

.card li {
  margin-bottom: 4px;
}

.diagram-group {
  margin-top: 10px;
}

details.diagram {
  margin-bottom: 10px;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  background-color: #ffffff;
}

details.diagram summary {
  cursor: pointer;
  padding: 10px 12px;
  background-color: var(--hover-bg);
  color: var(--text-light);
  font-family: "Arvo", Georgia, serif;
}

details.diagram[open] summary {
  background-color: var(--accent);
}

details.diagram img {
  width: 100%;
  height: auto;
  display: block;
  padding: 10px 12px 12px;
}

.banner-title {
  display: inline-flex;
  align-items: center;
  background-color: var(--accent);
  color: #373637;
  padding: 10px 18px;
  font-family: "Arvo", Georgia, serif;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 1rem;
}

.banner-title::before,
.banner-title::after {
  content: "•";
  font-size: 1.2rem;
  margin: 0 10px;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.team-member {
  text-align: center;
  padding: 16px;
  border-radius: 4px;
  color: #ffffff;
}

.team-member img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  margin-bottom: 8px;
}

.team-member h3 {
  font-size: 1rem;
  margin-bottom: 4px;
  padding: 8px 10px;
  margin-top: -16px;
  margin-left: -16px;
  margin-right: -16px;
  background-color: var(--accent);
  color: #373637;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.team-member p {
  margin-bottom: 2px;
}

.team-member:nth-child(1) {
  background-color: #1a2334; 
}

.team-member:nth-child(2) {
  background-color: #1a2334;
}

.team-member:nth-child(3) {
  background-color: #1a2334; 
}

.team-member:nth-child(4) {
  background-color: #1a2334;
}

@media (max-width: 800px) {
  .layout {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid #46454a;
  }

  .content {
    padding: 20px 16px 28px;
  }

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

.page-project .card {
  background-color: #24354e;
  color: #f5f5f5;
  border-color: transparent;
}

.page-requirements .card {
  background-color: #3a2947;
  color: #f5f5f5;
  border-color: transparent;
}

.page-diagrams .card {
  background-color: #383637;
  color: #f5f5f5;
  border-color: transparent;
}

.page-technologies .card {
  background-color: #234034;
  color: #f5f5f5;
  border-color: transparent;
}

.page-sprints .card {
  background-color: #5a2b24;
  color: #f5f5f5;
  border-color: transparent;
}

.page-about .card {
  background-color: #353439;
  color: #f5f5f5;
  border-color: transparent;
}

.page-home {
  padding: 0;
}

.home-hero {
  position: relative;
  height: 100vh;
  background-image: url("images/Jake's Bg.jpg");
  background-size: cover;
  background-position: center center;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #ffffff;
  text-shadow: 5px 1px 1px rgba(104, 77, 210, 0.388);
}

.home-hero-inner img.home-logo {
  max-width: 260px;
  height: auto;
  margin-bottom: 18px;
}

.home-page {
  height: 100%;
  overflow: hidden;
}

.home-page .layout {
  height: 100%;
}

.home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
}

.home-hero-inner {
  position: relative;
  max-width: 700px;
  padding: 20px;
}

.home-hero-inner h1 {
  font-size: 2.2rem;
  margin-bottom: 14px;
  text-shadow: -4px 3px 1px rgb(79 77 210 / 64%);
}

.home-hero-inner p {
  font-size: 1.05rem;
  line-height: 1.7;
}