/* Updated styles.css - Warm sepia base met blauwe knoppen */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;700&family=Fira+Mono&display=swap');

:root {
  --bg-color: #2f1e0f;
  --text-color: #f5f1e7;
  --accent-color: #d67e00;
  --accent-hover: #ffae42;
  --header-bg: #3a2613;
  --button-bg: #2a2e35;
  --button-hover-bg: #6ea9e1;
  --button-hover-color: #2f1e0f;
  --link-color: #b4dcff;
  --link-hover-color: #ffffff;
  --shadow-color: rgba(214, 126, 0, 0.3);
  --blue-accent: #6ea9e1;
  --subtle-blue-bg: #2a2e35;
  --form-glow: rgba(110, 169, 225, 0.2);
}

/* ======== BASISSTIJLEN ======== */

body {
  background: var(--bg-color);
  color: var(--text-color);
  font-family: 'Inter', Arial, sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.65;
  transition: background-color 0.3s ease;
}

/* ======== HEADER (VOLLEDIGE BREEDTE) ======== */

header {
  background: linear-gradient(to right, var(--header-bg), #35291b);
  padding: 1.5em 3em;
  box-shadow: 0 0 12px var(--shadow-color);
}

header h1 {
  font-family: 'Fira Mono', monospace;
  font-weight: 700;
  font-size: 2.4rem;
  margin: 0;
  color: var(--accent-color);
  letter-spacing: 0.05em;
  text-shadow: 0 0 8px var(--accent-color);
}

/* ======== GEZAMENLIJKE CONTAINER VOOR REST VAN PAGINA ======== */

.page-wrapper {
  max-width: 850px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* ======== NAVIGATIE ======== */

nav ul {
  list-style: none;
  padding: 0;
  margin-top: 1em;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5em;
}

nav li {
  font-weight: 700;
  font-size: 1.1rem;
}

nav a {
  display: inline-block;
  padding: 0.5em 1.2em;
  background-color: var(--button-bg);
  color: var(--link-color);
  border-radius: 10px;
  text-decoration: none;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
  transition: background-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease, transform 0.15s ease;
  font-weight: 700;
  letter-spacing: 0.03em;
}

nav a:hover,
nav a:focus {
  background-color: var(--button-hover-bg);
  color: var(--button-hover-color);
  box-shadow: 0 0 15px var(--blue-accent);
  transform: translateY(-2px);
  outline: none;
}

nav a:focus-visible {
  outline: 3px solid var(--blue-accent);
  outline-offset: 3px;
}

nav a.active {
  background-color: var(--accent-color);
  color: var(--button-bg);
  box-shadow: 0 0 12px var(--accent-hover);
}

/* ======== MAIN ======== */

main {
  margin: 3em 0;
}

section {
  margin-bottom: 4em;
  border-left: 3px solid var(--blue-accent);
  padding-left: 1.2em;
}

section h2 {
  font-family: 'Fira Mono', monospace;
  font-weight: 700;
  font-size: 1.8rem;
  color: var(--blue-accent);
  border-bottom: 2px solid var(--blue-accent);
  padding-bottom: 0.3em;
  margin-bottom: 1em;
  letter-spacing: 0.04em;
  text-shadow: 0 0 4px var(--blue-accent);
}

ul li {
  margin-bottom: 0.8em;
  font-weight: 500;
}

/* ======== LINKS ======== */

a {
  color: var(--link-color);
  transition: color 0.3s ease;
  text-decoration: underline;
}

a:hover {
  color: var(--link-hover-color);
  text-shadow: 0 0 5px var(--link-hover-color);
}

/* ======== AFBEELDING ======== */

.body-header-image {
  width: 100%;
  height: auto;
  display: block;
  margin: 1em 0;
}

/* ======== FORMULIER ======== */

form {
  display: flex;
  flex-direction: column;
  margin: 2em auto; /* gecentreerd met top/bottom 2em */
  max-width: 500px;
  background: var(--header-bg);
  padding: 1.8em 2em;
  border-radius: 12px;
  box-shadow: 0 0 20px var(--form-glow);
  transition: box-shadow 0.3s ease;
}


form:hover {
  box-shadow: 0 0 30px var(--blue-accent);
}

label {
  margin-top: 1em;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--accent-color);
}

input, textarea {
  margin-top: 0.5em;
  padding: 0.6em 1em;
  border-radius: 6px;
  border: 2px solid #60421b;
  background: #3e2a11;
  color: var(--text-color);
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  transition: border-color 0.3s ease, background-color 0.3s ease;
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--blue-accent);
  background: #4a3416;
  box-shadow: 0 0 8px var(--blue-accent);
}

/* ======== KNOPPEN ======== */

button {
  margin-top: 1.5em;
  padding: 0.75em 1.5em;
  background: var(--button-bg);
  color: var(--link-color);
  font-weight: 700;
  font-size: 1.1rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  box-shadow: 0 0 6px transparent;
  transition: background-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}

button:hover {
  background: var(--button-hover-bg);
  color: var(--button-hover-color);
  box-shadow: 0 0 15px var(--blue-accent);
}

/* ======== FOOTER ======== */

footer {
  width: 100%;
  background: #3a2613;
  text-align: center;
  padding: 1.5em 0;
  font-size: 0.9rem;
  color: #cfc7b9;
  letter-spacing: 0.02em;
  font-family: 'Inter', sans-serif;
  user-select: none;
}

#publications ol li {
  margin-bottom: 1em;
}

header h1 a {
  color: inherit;
  text-decoration: none;
}

header h1 a:hover {
  text-decoration: underline;
}

/* Geef alleen de "The Spiral Log"-knop een paars uiterlijk */
nav a.spirallog-button {
  background-color: #5e2a7e;
  color: var(--text-white);
  box-shadow: 0 0 10px rgba(142, 68, 173, 0.5);
}

nav a.spirallog-button:hover,
nav a.spirallog-button:focus {
  background-color: #8c4bb0;
  color: var(--text-white);
  box-shadow: 0 0 15px #8c4bb0;
}