/* ============================================
   FKSB - Components
   ============================================ */

/* === Button === */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wide);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  overflow: hidden;
  isolation: isolate;
  transition: transform var(--duration-base) var(--ease-spring),
              background-color var(--duration-base) var(--ease-smooth),
              color var(--duration-base) var(--ease-smooth),
              box-shadow var(--duration-base) var(--ease-smooth);
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: currentColor;
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-smooth);
  z-index: -1;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--color-primary-500);
  color: var(--text-inverse);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--color-primary-600);
  box-shadow: var(--shadow-md), 0 0 0 4px rgba(63, 132, 63, 0.12);
}
.btn-primary::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 5px; height: 5px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0);
  transition: transform 0.6s var(--ease-out), opacity 0.6s;
}
.btn-primary:active::after { transform: translate(-50%, -50%) scale(60); opacity: 1; transition: 0s; }

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  background: var(--surface-2);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-2);
}
.btn-ghost:hover {
  background: var(--surface-2);
  border-color: var(--color-primary-500);
  color: var(--color-primary-500);
}

.btn-icon {
  width: 44px; height: 44px;
  padding: 0;
  border-radius: var(--radius-full);
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-base) var(--ease-smooth);
}
.btn-icon:hover {
  background: var(--color-primary-500);
  color: var(--text-inverse);
  border-color: transparent;
  transform: rotate(15deg) scale(1.05);
}

.btn .arrow {
  display: inline-block;
  transition: transform var(--duration-base) var(--ease-spring);
}
[dir="rtl"] .btn .arrow { transform: rotate(180deg); }
.btn:hover .arrow { transform: translateX(-4px); }
[dir="rtl"] .btn:hover .arrow { transform: rotate(180deg) translateX(-4px); }

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-primary-500);
  position: relative;
  padding-block: 0.25rem;
}
.btn-link::after {
  content: '';
  position: absolute;
  bottom: 0; right: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--duration-base) var(--ease-smooth);
}
[dir="rtl"] .btn-link::after { transform-origin: left; }
.btn-link:hover::after { transform: scaleX(1); }
[dir="rtl"] .btn-link:hover::after { transform-origin: right; transform: scaleX(1); }

/* === Card === */
.card {
  position: relative;
  background: var(--surface);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: transform var(--duration-slow) var(--ease-out),
              box-shadow var(--duration-slow) var(--ease-out),
              border-color var(--duration-slow) var(--ease-out);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-500);
}

.card-body { padding: var(--space-5); }

/* === Badge === */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  background: var(--surface-2);
  color: var(--text-2);
  border: 1px solid var(--border);
}
.badge-primary {
  background: rgba(63, 132, 63, 0.1);
  color: var(--color-primary-500);
  border-color: rgba(63, 132, 63, 0.2);
}
.badge-accent {
  background: rgba(212, 167, 66, 0.12);
  color: var(--color-accent-600);
  border-color: rgba(212, 167, 66, 0.2);
}

/* === Header === */
.site-header {
  position: fixed;
  top: 0;
  inset-inline: 0;
  height: var(--header-h);
  z-index: var(--z-sticky);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid transparent;
  transition: background var(--duration-base) var(--ease-smooth),
              border-color var(--duration-base) var(--ease-smooth);
}
.site-header.is-scrolled {
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  border-bottom-color: var(--border);
}
.site-header.is-scrolled { box-shadow: var(--shadow-sm); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-5);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 800;
  font-size: var(--text-lg);
  letter-spacing: var(--tracking-tight);
  color: var(--text);
  transition: opacity var(--duration-base) var(--ease-smooth);
}
.logo:hover { opacity: 0.7; }
.logo-mark {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: var(--grad-leaf);
  border-radius: var(--radius-md);
  color: white;
  box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
}
.logo-mark::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.3), transparent 50%);
}
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-text small { font-size: 0.65rem; font-weight: 500; color: var(--text-3); margin-top: 4px; letter-spacing: 0; }

.nav { display: flex; align-items: center; gap: var(--space-2); }
.nav-list { display: flex; align-items: center; gap: var(--space-1); }
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-2);
  transition: color var(--duration-base) var(--ease-smooth);
}
.nav-link:hover { color: var(--color-primary-500); }
.nav-link.is-active { color: var(--color-primary-500); }
.nav-link.is-active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  inset-inline: 1rem;
  height: 2px;
  background: var(--color-primary-500);
  border-radius: var(--radius-full);
  animation: navMarkerIn var(--duration-slow) var(--ease-spring);
}

.header-actions { display: flex; align-items: center; gap: var(--space-2); }

.theme-toggle {
  position: relative;
  width: 44px; height: 44px;
  border-radius: var(--radius-full);
  background: var(--surface);
  color: var(--text-2);
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-base) var(--ease-smooth);
  overflow: hidden;
}
.theme-toggle:hover {
  background: var(--color-primary-500);
  color: white;
  border-color: transparent;
  transform: rotate(20deg);
}
.theme-toggle .icon { position: absolute; transition: all var(--duration-base) var(--ease-spring); }
[data-theme="light"] .theme-toggle .icon-sun,
[data-theme="dark"] .theme-toggle .icon-moon { opacity: 1; transform: rotate(0) scale(1); }
[data-theme="light"] .theme-toggle .icon-moon,
[data-theme="dark"] .theme-toggle .icon-sun { opacity: 0; transform: rotate(90deg) scale(0.5); }

.menu-toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  transition: all var(--duration-base) var(--ease-smooth);
}
.menu-toggle span {
  display: block;
  width: 18px; height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: all var(--duration-base) var(--ease-spring);
}
.menu-toggle.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.menu-toggle.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* === Mobile nav === */
.mobile-nav {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: var(--bg);
  z-index: var(--z-overlay);
  display: flex;
  flex-direction: column;
  padding: var(--space-6) var(--container-px);
  gap: var(--space-2);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-12px);
  transition: opacity var(--duration-base) var(--ease-smooth),
              transform var(--duration-base) var(--ease-smooth);
}
.mobile-nav.is-open { opacity: 1; pointer-events: auto; transform: none; }
.mobile-nav .nav-link {
  font-size: var(--text-2xl);
  padding: var(--space-3) 0;
  border-radius: 0;
  border-bottom: 1px solid var(--border);
}
.mobile-nav .nav-link::after { display: none; }

/* === Footer === */
.site-footer {
  position: relative;
  background: var(--footer-bg);
  color: var(--footer-text);
  padding-block: var(--space-9) var(--space-5);
  margin-top: var(--space-9);
  overflow: hidden;
  z-index: 2;
}
.site-footer::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-mesh);
  pointer-events: none;
  opacity: 0.6;
}
.footer-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-7);
  margin-bottom: var(--space-7);
}
.footer-col h4 {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--space-4);
  color: var(--footer-text);
  opacity: 0.5;
  font-weight: 600;
}
.footer-col p, .footer-col a { color: rgba(241, 248, 241, 0.75); line-height: 1.9; font-size: var(--text-sm); }
.footer-col a:hover { color: var(--color-primary-300); }
.footer-col ul li { padding: 0.25rem 0; }
.footer-brand .logo { color: var(--footer-text); }
.footer-brand .logo-text small { color: rgba(241, 248, 241, 0.5); }
.footer-brand p { max-width: 360px; margin-top: var(--space-4); }
.footer-social { display: flex; gap: var(--space-2); margin-top: var(--space-5); }
.footer-social a {
  width: 40px; height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  color: var(--footer-text);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--duration-base) var(--ease-smooth);
}
.footer-social a:hover {
  background: var(--color-primary-500);
  border-color: transparent;
  transform: translateY(-3px);
}
.footer-bottom {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.5);
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* Footer contact list (icon + text) */
.footer-contact-list { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-contact-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  line-height: 1.7;
  font-size: var(--text-sm);
  color: rgba(241, 248, 241, 0.75);
}
.footer-contact-list .ficon {
  flex-shrink: 0;
  width: 32px; height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--color-primary-300);
  border-radius: var(--radius-md);
  transition: all var(--duration-base) var(--ease-smooth);
}
.footer-contact-list li:hover .ficon {
  background: var(--color-primary-500);
  border-color: transparent;
  color: white;
}
.footer-contact-list .ficon svg { width: 16px; height: 16px; }

/* === Page transition === */
main {
  transform-origin: center top;
}
body.is-transitioning main {
  animation: pageBlurOut 520ms var(--ease-in-out) both;
}
body.page-entering main {
  animation: pageBlurIn 760ms var(--ease-out) both;
}

/* === Cursor follower === */
.cursor-dot {
  position: fixed;
  top: 0; left: 0;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-primary-500);
  pointer-events: none;
  z-index: var(--z-loader);
  mix-blend-mode: difference;
  transform: translate(-50%, -50%);
  transition: transform 0.15s var(--ease-smooth), width 0.3s var(--ease-smooth), height 0.3s var(--ease-smooth);
  opacity: 0;
}
.cursor-dot.is-visible { opacity: 1; }
.cursor-dot.is-hovering {
  width: 36px; height: 36px;
  background: var(--color-accent-500);
}

/* === Form === */
.form-group { display: flex; flex-direction: column; gap: var(--space-2); }
.form-label { font-size: var(--text-sm); font-weight: 500; color: var(--text-2); }
.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.875rem 1.125rem;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-family: inherit;
  transition: all var(--duration-base) var(--ease-smooth);
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--color-primary-500);
  box-shadow: var(--shadow-glow);
  outline: none;
}
.form-textarea { min-height: 140px; resize: vertical; }