/* ========================================
   Header & Footer CSS
   ======================================== */

/* Header */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 12px 24px;
  background: rgba(254, 253, 249, 0.92);
  backdrop-filter: blur(20px);
  transition: all var(--duration) var(--ease-out);
}

.header.scrolled {
  padding: 8px 24px;
  box-shadow: var(--shadow-sm);
}

.nav {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 42px; 
  height: 42px;
  background: linear-gradient(135deg, var(--frog-100), var(--sage-100));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--duration) var(--ease-spring);
}

.logo:hover .logo-icon { 
  transform: scale(1.05) rotate(-5deg); 
}

.logo-text { 
  display: flex; 
  flex-direction: column; 
}

.logo-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--forest-800);
  line-height: 1.1;
}

.logo-tagline {
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--sage-600);
  letter-spacing: 0.1em;
}

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray-600);
  transition: all var(--duration) var(--ease-out);
}

.nav-link:hover {
  background: var(--sage-100);
  color: var(--sage-700);
}

.nav-link-cta {
  background: linear-gradient(135deg, var(--frog-500), var(--sage-600));
  color: var(--white) !important;
  margin-left: 8px;
}

.nav-link-cta:hover {
  background: linear-gradient(135deg, var(--frog-600), var(--sage-700));
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Nav Right */
.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Language Toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--white);
  border: 2px solid var(--sage-200);
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--sage-700);
  cursor: pointer;
  transition: all var(--duration) var(--ease-spring);
}

.lang-toggle:hover {
  background: var(--sage-50);
  border-color: var(--sage-300);
  transform: scale(1.02);
}

.lang-toggle:active { transform: scale(0.98); }

.lang-toggle .lang-icon {
  width: 16px; height: 16px;
  color: var(--sage-600);
}

.lang-toggle .lang-text {
  min-width: 32px;
  text-align: center;
  transition: all 0.4s var(--ease-out);
}

.lang-toggle .lang-arrow {
  width: 14px; height: 14px;
  color: var(--sage-500);
  transition: transform 0.3s ease;
}

.lang-toggle:hover .lang-arrow { transform: translateY(2px); }

.lang-toggle.switching .lang-text {
  opacity: 0;
  transform: translateY(-10px);
}

/* Menu Button */
.menu-btn {
  display: none;
  width: 42px; 
  height: 42px;
  border: none;
  background: var(--sage-100);
  border-radius: var(--radius-md);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all var(--duration) var(--ease-out);
}

.menu-btn:hover { background: var(--sage-200); }
.menu-btn svg { width: 20px; height: 20px; color: var(--gray-700); }
.menu-btn .close-icon { display: none; }
.menu-btn.active .menu-icon { display: none; }
.menu-btn.active .close-icon { display: block; }

/* Footer */
.footer {
  background: var(--forest-900);
  padding: 60px 24px 32px;
}

.footer-container { 
  max-width: 1200px; 
  margin: 0 auto; 
}

.footer-main {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 60px;
  margin-bottom: 40px;
}

.footer-brand { max-width: 320px; }

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.footer-emoji { font-size: 2.2rem; }

.footer-name {
  display: block;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
}

.footer-tagline { 
  font-size: 0.8rem; 
  color: var(--sage-300); 
}

.footer-desc { 
  font-size: 0.9rem; 
  color: var(--gray-400); 
  line-height: 1.7; 
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col li, 
.footer-col a { 
  font-size: 0.9rem; 
  color: var(--gray-400); 
}

.footer-col a:hover { color: var(--sage-300); }

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.copyright { 
  font-size: 0.85rem; 
  color: var(--gray-500); 
}

.footer-note { 
  font-size: 0.85rem; 
  color: var(--gray-400); 
}