/* STAILAN AS — Sticky Side Navigation + Clean Modern Design */
/* Ice Blue + Warm Sand + Sharp Clean UI */

:root {
  --bg: #F4F1EB;
  --surface: #FFFFFF;
  --text: #2C2C2C;
  --text-light: #5A5A5A;
  --primary: #3B6B8A;
  --accent: #D4A373;
  --border: #E5DFD6;
  --radius: 8px;
  --shadow: 0 4px 12px rgba(44, 44, 44, 0.06);
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

/* Sticky Sidebar Navigation */
.sidebar-nav {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  border-right: 1px solid var(--border);
  background: var(--surface);
}

.sidebar-nav .nav-link {
  display: block;
  padding: 14px 24px;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: all 0.2s ease;
}

.sidebar-nav .nav-link:hover {
  background: #F8F5F0;
  color: var(--primary);
}

.sidebar-nav .nav-link.active {
  border-left-color: var(--primary);
  color: var(--primary);
  font-weight: 600;
  background: #F8F5F0;
}

/* Header */
header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}

/* Cards - Clean with left accent */
.card {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  overflow: hidden;
}

.card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}

.card-image img {
  transition: transform 0.5s ease;
}

.card:hover .card-image img {
  transform: scale(1.03);
}

/* Tags */
.tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 4px;
  background: var(--primary);
  color: white;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 26px;
  font-weight: 600;
  border-radius: var(--radius);
  transition: all 0.2s ease;
  text-decoration: none;
  border: 2px solid var(--text);
  background: transparent;
  color: var(--text);
}

.btn:hover {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

.btn-primary {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.btn-primary:hover {
  background: #2E5770;
  border-color: #2E5770;
}

/* Forms */
input, textarea {
  width: 100%;
  padding: 16px 20px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  background: var(--surface);
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
}

/* Article */
.article-content {
  max-width: 720px;
}

.article-content h2 {
  font-size: 1.7rem;
  margin-top: 3rem;
  color: var(--primary);
}

.pull-quote {
  font-size: 1.35rem;
  font-style: italic;
  border-left: 5px solid var(--accent);
  padding-left: 2rem;
  margin: 2.5rem 0;
  color: var(--text-light);
}

/* Mobile */
.mobile-menu {
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.32, 0.72, 0, 1);
}

.mobile-menu.open {
  transform: translateX(0);
}

/* Footer */
footer {
  background: #2C2C2C;
  color: #E5DFD6;
}

footer a {
  color: #E5DFD6;
}

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