@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@300;400;600;700&family=Unbounded:wght@400;700;900&display=swap');

:root {
  --bg-color: #0b0f19; /* Deep blue/graphite night theme */
  --bg-alt: #131a2a;
  --text-main: #e2e8f0;
  --text-muted: #94a3b8;
  --accent-red: #ff2a2a; /* Angel eyes red */
  --accent-red-hover: #ff4d4d;
  --accent-dark: #8b0000;
  --font-headers: 'Unbounded', sans-serif;
  --font-text: 'Manrope', sans-serif;
  --container-width: 1200px;
}

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

body {
  font-family: var(--font-text);
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headers);
  text-transform: uppercase;
  margin-bottom: 1rem;
  letter-spacing: 1px;
}

a {
  color: var(--accent-red);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--accent-red-hover);
}

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

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

/* Header & Navigation */
.site-header {
  background-color: rgba(11, 15, 25, 0.95);
  backdrop-filter: blur(10px);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 42, 42, 0.2);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-family: var(--font-headers);
  font-size: 1.5rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: 2px;
}

.logo span {
  color: var(--accent-red);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 20px;
}

.nav-links a {
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent-red);
}

.burger-menu {
  display: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}

.burger-menu span {
  width: 25px;
  height: 3px;
  background-color: var(--text-main);
  transition: 0.3s;
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  margin-top: 0;
}

.hero-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  filter: brightness(0.5);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, transparent 50%, var(--bg-color) 100%);
  z-index: -1;
}

.hero-content {
  text-align: center;
  z-index: 1;
}

.hero h1 {
  font-size: 4rem;
  color: #fff;
  text-shadow: 2px 2px 10px rgba(0,0,0,0.8);
  margin-bottom: 0.5rem;
}

.hero p {
  font-size: 1.5rem;
  font-family: var(--font-headers);
  color: var(--accent-red);
}

/* Main Content Padding */
main {
  padding-top: 100px;
  min-height: calc(100vh - 150px);
}

/* Polaroids */
.polaroid {
  background: #fff;
  padding: 15px 15px 50px 15px;
  box-shadow: 0 10px 20px rgba(0,0,0,0.5);
  transform: rotate(-2deg);
  display: inline-block;
  margin: 20px;
  transition: transform 0.3s ease;
}

.polaroid:nth-child(even) {
  transform: rotate(3deg);
}

.polaroid:hover {
  transform: scale(1.05) rotate(0deg);
  z-index: 10;
}

.polaroid img {
  border: 1px solid #ddd;
}

.polaroid-caption {
  color: #333;
  font-family: 'Shadows Into Light', cursive, sans-serif; /* Adding a handwritten feel fallback */
  text-align: center;
  margin-top: 15px;
  font-size: 1.2rem;
}

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 30px 0;
  background-color: var(--bg-alt);
}

.data-table th, .data-table td {
  padding: 15px;
  text-align: left;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.data-table th {
  font-family: var(--font-headers);
  background-color: rgba(255, 42, 42, 0.1);
  color: var(--accent-red);
}

/* Grids */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }

/* Cards for Journal/Articles */
.card {
  background-color: var(--bg-alt);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(255, 42, 42, 0.1);
}

.card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.card-content {
  padding: 20px;
}

.meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 10px;
  display: block;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  background-color: transparent;
  border: 2px solid var(--accent-red);
  color: var(--accent-red);
  font-family: var(--font-headers);
  text-transform: uppercase;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn:hover {
  background-color: var(--accent-red);
  color: #fff;
}

/* Footer */
footer {
  background-color: var(--bg-alt);
  padding: 40px 0;
  text-align: center;
  margin-top: 50px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 80px;
    right: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: rgba(11, 15, 25, 0.98);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: 0.4s;
  }
  
  .nav-links.nav-active {
    right: 0;
  }
  
  .burger-menu {
    display: flex;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }
}

/* Lightbox Gallery */
.lightbox {
  display: none;
  position: fixed;
  z-index: 2000;
  padding-top: 50px;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
}

.lightbox-content {
  margin: auto;
  display: block;
  max-width: 90%;
  max-height: 80vh;
}

.close {
  position: absolute;
  top: 20px;
  right: 35px;
  color: #f1f1f1;
  font-size: 40px;
  font-weight: bold;
  transition: 0.3s;
  cursor: pointer;
}

.close:hover,
.close:focus {
  color: var(--accent-red);
  text-decoration: none;
  cursor: pointer;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 15px;
}

.gallery-grid img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  cursor: pointer;
  transition: filter 0.3s;
}

.gallery-grid img:hover {
  filter: brightness(1.2);
}

/* Forms */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-headers);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px;
  background-color: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  color: #fff;
  font-family: var(--font-text);
  border-radius: 4px;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-red);
}

/* Timeline for Logbook */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::after {
  content: '';
  position: absolute;
  width: 2px;
  background-color: var(--accent-red);
  top: 0;
  bottom: 0;
  left: 20px;
  margin-left: -1px;
}

.timeline-item {
  padding: 20px 40px;
  position: relative;
  background-color: inherit;
  width: 100%;
}

.timeline-item::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  right: -8px;
  background-color: var(--bg-color);
  border: 4px solid var(--accent-red);
  top: 25px;
  border-radius: 50%;
  z-index: 1;
  left: 12px;
}

.timeline-content {
  padding: 20px;
  background-color: var(--bg-alt);
  position: relative;
  border-radius: 6px;
}