/* Layout — container, header, nav, section, footer, blog list, pagination, buttons, footer */
@import "/css/tokens.css";

/* Container */
.container {
  width: 100%;
  max-width: var(--w-max);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  box-sizing: border-box;
}

/* Header / Nav — shared between home & blog list */
.header {
  padding: var(--space-1) 0;
  border-bottom: 1px solid var(--border);
}

.header .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.brand {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}
.brand:hover {
  color: var(--accent);
}
.brand-accent {
  color: var(--accent);
}

/* Hamburger button (mobile only) */
.hamburger-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 0;
  cursor: pointer;
  z-index: 200;
}
.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition:
    transform 0.2s,
    opacity 0.2s;
}
.hamburger-btn[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger-btn[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}
.hamburger-btn[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Nav — desktop */
.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-7);
  font-size: 14px;
  color: var(--text-muted);
}
.nav a {
  color: var(--text-muted);
}
.nav a:hover {
  color: var(--accent);
}
.nav .current {
  color: var(--accent);
}

/* Language switch pill */
.lang-pill {
  display: inline-flex;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-chip);
  overflow: hidden;
}
.lang-btn {
  border: 0;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  cursor: pointer;
  background: transparent;
  color: var(--text-muted);
  transition:
    background 0.15s,
    color 0.15s;
}
.lang-btn.active {
  background: var(--accent);
  color: var(--bg);
}
.lang-btn:not(.active):hover {
  color: var(--text);
}

/* Mobile drawer */
.drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 150;
  opacity: 0;
  transition: opacity 0.2s;
}
.drawer-overlay.open {
  display: block;
  opacity: 1;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 280px;
  max-width: 85vw;
  background: var(--bg);
  border-left: 1px solid var(--border);
  padding: var(--space-6) var(--space-5) var(--space-8);
  z-index: 200;
  transform: translateX(100%);
  transition: transform 0.25s ease;
  overflow-y: auto;
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.3);
}
.mobile-drawer.open {
  transform: translateX(0);
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.mobile-nav a {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: 16px;
  color: var(--text-body);
  border-radius: var(--r-field);
  transition:
    background 0.1s,
    color 0.1s;
}
.mobile-nav a:hover,
.mobile-nav a.current {
  background: var(--bg-card);
  color: var(--accent);
}
.mobile-nav .lang-pill {
  margin-top: var(--space-4);
  align-self: flex-start;
}

/* Responsive: Mobile drawer */
@media (max-width: 768px) {
  .hamburger-btn {
    display: flex;
  }

  .nav {
    display: none;
  }

  .lang-pill {
    display: none;
  }

  .header .container {
    gap: var(--space-3);
  }
}

/* Section */
.section {
  padding: var(--space-7) 0;
  border-top: 1px solid var(--border);
}
.section:first-of-type {
  border-top: none;
}

/* Page title */
.page-title {
  margin: 0 0 12px;
  font-size: clamp(40px, 6vw, 56px);
  line-height: 1.1;
  font-weight: 900;
}
.page-subtitle {
  margin: 0;
  color: var(--text-muted);
}

/* Blog list */
.blog-list-section {
  padding: var(--space-7) 0 var(--space-9);
}
.grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-4);
}
.blog-card {
  text-decoration: none;
  color: inherit;
}
.blog-card .card {
  padding: var(--space-6);
}
.blog-date {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: var(--space-2);
}
.blog-title {
  margin: var(--space-2) 0;
  font-size: 21px;
  line-height: 1.5;
  font-weight: 700;
}
.blog-excerpt {
  margin: 0;
  font-size: 14px;
  color: var(--text-muted);
}

/* Blog image */
.blog-img {
  width: 100%;
  height: auto;
  border-radius: var(--r-field);
}

/* Card hover effects (non-critical) */
.card-link {
  text-decoration: none;
}
.card-link:hover .card {
  border-color: var(--accent);
}
.card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}
.card {
  transition:
    border-color 0.15s,
    box-shadow 0.15s;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-7);
  flex-wrap: wrap;
}
.pagination a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border: 0;
  border-radius: var(--r-btn);
  padding: 12px 24px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition:
    background 0.15s,
    color 0.15s,
    transform 0.05s;
}
.btn:active {
  transform: scale(0.98);
}
.btn-primary {
  background: var(--accent);
  color: var(--bg);
}
.btn-primary:hover {
  background: #8fe89c;
}
.btn-secondary {
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text-body);
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.btn-ghost {
  background: transparent;
  color: var(--text-muted);
}
.btn-ghost:hover {
  color: var(--accent);
}

/* Footer */
.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-6) 0 var(--space-8);
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-dim);
}
.footer a {
  color: var(--text-dim);
}
.footer a:hover {
  color: var(--accent);
}