/* ============================================================
   NAZILLI ÖZEL EĞİTİM — COMPONENT STİLLERİ v3.0
   Premium Dijital Platform — Butonlar · Kartlar · Header · Footer
   ============================================================ */

/* ===== CONTAINER ===== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 2rem);
}
.container-wide { max-width: var(--container-wide); }
.container-narrow { max-width: var(--container-narrow); }

/* ===== SECTIONS — daha dramatik spacing ===== */
.section { padding-block: var(--section-py); }
.section-sm { padding-block: var(--section-py-sm); }
.section-lg { padding-block: var(--section-py-lg); }

.section-header { max-width: 640px; }
.section-header.centered { margin-inline: auto; text-align: center; }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-2xl), 4.5vw, var(--text-4xl));
  font-weight: var(--fw-bold);
  color: var(--txt-heading);
  line-height: 1.08;
  letter-spacing: -0.035em;
  margin-bottom: var(--space-5);
}

.section-subtitle {
  font-size: clamp(var(--text-base), 1.5vw, var(--text-lg));
  color: var(--txt-secondary);
  line-height: var(--lh-relaxed);
  max-width: 540px;
}

.section-header.centered .section-subtitle { margin-inline: auto; }

.section-footer {
  display: flex;
  justify-content: center;
  margin-top: var(--space-10);
}

/* ===== GRID ===== */
.grid { display: grid; gap: var(--grid-gutter); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-auto { grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr)); }

/* ===== BUTONLAR ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: var(--btn-height-md);
  padding-inline: var(--btn-px-md);
  border-radius: var(--btn-radius);
  font-family: var(--font-body);
  font-size: var(--btn-font-size);
  font-weight: var(--btn-font-weight);
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all var(--dur-base) var(--ease-out);
  user-select: none;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
  position: relative;
  overflow: hidden;
}

.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

.btn-primary {
  background: linear-gradient(135deg, var(--clr-primary-500), var(--clr-primary-700));
  color: var(--txt-inverse);
  border-color: var(--clr-primary-600);
  box-shadow: 0 2px 8px rgba(26,107,104,0.15);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--clr-primary-400), var(--clr-primary-700));
  border-color: var(--clr-primary-600);
  box-shadow: var(--shadow-primary);
  color: white;
  transform: translateY(-2px);
}

.btn-accent {
  background: linear-gradient(135deg, var(--clr-accent-300), var(--clr-accent-500));
  color: var(--txt-on-accent);
  border-color: var(--clr-accent-400);
  box-shadow: 0 2px 8px rgba(242,192,64,0.18);
}
.btn-accent:hover {
  background: linear-gradient(135deg, var(--clr-accent-200), var(--clr-accent-500));
  border-color: var(--clr-accent-500);
  box-shadow: var(--shadow-accent);
  color: var(--txt-on-accent);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--clr-primary-600);
  border-color: var(--clr-primary-200);
}
.btn-outline:hover {
  background: var(--clr-primary-50);
  border-color: var(--clr-primary-400);
  color: var(--clr-primary-700);
  box-shadow: 0 2px 12px rgba(26,107,104,0.08);
  transform: translateY(-2px);
}

.btn-outline-white {
  background: transparent;
  color: white;
  border-color: rgba(255,255,255,0.35);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.10);
  border-color: rgba(255,255,255,0.8);
  color: white;
}

.btn-ghost {
  background: transparent;
  color: var(--clr-primary-600);
  border-color: transparent;
}
.btn-ghost:hover {
  background: var(--clr-primary-50);
  color: var(--clr-primary-700);
}

/* Soft-filled pill — bilinçli "Uygulamayı Yükle" CTA'sı */
.btn-install {
  background: var(--clr-primary-50);
  color: var(--clr-primary-700);
  border-color: var(--clr-primary-100);
  border-radius: var(--radius-full);
  font-weight: var(--fw-semibold);
}
.btn-install:hover {
  background: var(--clr-primary-100);
  color: var(--clr-primary-800);
  border-color: var(--clr-primary-200);
  box-shadow: 0 2px 12px rgba(26,107,104,0.10);
}

.btn-dark {
  background: var(--clr-gray-800);
  color: white;
  border-color: var(--clr-gray-800);
}
.btn-dark:hover {
  background: var(--clr-gray-900);
  color: white;
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}

.btn-sm {
  height: var(--btn-height-sm);
  padding-inline: var(--btn-px-sm);
  font-size: var(--text-xs);
}
.btn-lg {
  height: var(--btn-height-lg);
  padding-inline: var(--btn-px-lg);
  font-size: var(--text-base);
}

.btn-icon {
  width: var(--btn-height-md);
  padding: 0;
  border-radius: 50%;
}
.btn-icon.btn-sm { width: var(--btn-height-sm); }

.btn .btn-arrow {
  transition: transform var(--dur-base) var(--ease-out);
  display: inline-flex;
}
.btn:hover .btn-arrow { transform: translateX(3px); }

/* ===== BADGE ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  line-height: 1;
  letter-spacing: 0.02em;
}
.badge-primary { background: var(--clr-primary-100); color: var(--clr-primary-700); }
.badge-accent  { background: var(--clr-accent-100); color: var(--clr-accent-700); }
.badge-brand   { background: var(--clr-brand-100); color: var(--clr-brand-600); }
.badge-success { background: var(--clr-success-100); color: var(--clr-success-600); }
.badge-warm    { background: var(--clr-warm-100); color: var(--clr-warm-600); }
.badge-gray    { background: var(--clr-gray-100); color: var(--clr-gray-600); }

/* ===== KARTLAR ===== */
.card {
  background: var(--bg-card);
  border-radius: var(--card-radius);
  border: 1px solid var(--border-light);
  padding: var(--card-padding);
  box-shadow: var(--card-shadow);
  transition: all var(--dur-slow) var(--ease-smooth);
}
.card-hover:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--border-primary);
}

/* Card link */
.card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}
.card-link:hover { color: inherit; }

/* Service card — premium */
.service-card {
  background: var(--bg-card);
  border-radius: var(--card-radius);
  border: 1px solid var(--border-light);
  padding: clamp(var(--space-6), 3vw, var(--space-10));
  box-shadow: var(--shadow-xs);
  transition: all var(--dur-slow) var(--ease-smooth);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  position: relative;
  overflow: hidden;
}

/* Alt kenar accent çizgisi */
.service-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--service-accent, var(--clr-primary-400)), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-slow) var(--ease-smooth);
}

.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
  border-color: var(--clr-primary-100);
}
.service-card:hover::after { transform: scaleX(1); }

.service-card-icon {
  width: 60px; height: 60px;
  border-radius: var(--radius-xl);
  background: var(--service-icon-bg, var(--clr-primary-50));
  border: 1px solid rgba(0,0,0,0.04);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: all var(--dur-base) var(--ease-out);
}
.service-card:hover .service-card-icon {
  transform: scale(1.08) translateY(-2px);
  box-shadow: var(--shadow-md);
}

.service-card-icon svg {
  width: 28px; height: 28px;
  color: var(--service-icon-clr, var(--clr-primary-600));
}

.service-card-title {
  font-size: var(--text-lg);
  font-weight: var(--fw-bold);
  color: var(--txt-heading);
  line-height: var(--lh-snug);
}

.service-card-desc {
  font-size: var(--text-sm);
  color: var(--txt-secondary);
  line-height: var(--lh-relaxed);
  flex: 1;
}

.service-card-link {
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--clr-primary-600);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: gap var(--dur-base) var(--ease-out), color var(--dur-fast);
}
.service-card:hover .service-card-link {
  gap: var(--space-3);
  color: var(--clr-primary-700);
}

/* Content card — premium */
.content-card {
  background: var(--bg-card);
  border-radius: var(--card-radius);
  border: 1px solid var(--border-light);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  transition: all var(--dur-slow) var(--ease-smooth);
  display: flex;
  flex-direction: column;
  position: relative;
}
.content-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-primary-400), var(--clr-accent-400));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-slow) var(--ease-smooth);
  z-index: 1;
}
.content-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
  border-color: var(--clr-primary-100);
}
.content-card:hover::before { transform: scaleX(1); }

.content-card-image {
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, var(--bg-section-alt) 0%, var(--bg-section-cool) 100%);
  overflow: hidden;
  position: relative;
}
.content-card-image svg {
  width: 48px; height: 48px;
  color: var(--clr-primary-300);
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  transition: transform var(--dur-slow) var(--ease-smooth);
}
.content-card:hover .content-card-image svg {
  transform: translate(-50%,-50%) scale(1.1);
}
.content-card-body {
  padding: clamp(var(--space-5), 2.5vw, var(--space-8));
  display: flex; flex-direction: column; gap: var(--space-3); flex: 1;
}
.content-card-cat {
  font-size: var(--text-xs); font-weight: var(--fw-semibold);
  color: var(--clr-primary-600); letter-spacing: 0.08em; text-transform: uppercase;
}
.content-card-title {
  font-family: var(--font-display);
  font-size: var(--text-lg); font-weight: var(--fw-bold);
  color: var(--txt-heading); line-height: var(--lh-snug);
  letter-spacing: -0.01em;
}
.content-card-excerpt {
  font-size: var(--text-sm); color: var(--txt-secondary);
  line-height: var(--lh-relaxed);
}
.content-card-meta {
  font-size: var(--text-xs); color: var(--txt-tertiary); margin-top: auto;
  padding-top: var(--space-3);
  border-top: 1px solid var(--border-subtle);
}

/* Event card — premium */
.event-card {
  background: var(--bg-card);
  border-radius: var(--card-radius);
  border: 1px solid var(--border-light);
  padding: clamp(var(--space-5), 2.5vw, var(--space-8));
  box-shadow: var(--shadow-xs);
  display: flex; gap: var(--space-5); align-items: flex-start;
  transition: all var(--dur-slow) var(--ease-smooth);
  text-decoration: none; color: inherit;
  position: relative;
  overflow: hidden;
}
.event-card::after {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--clr-primary-400), var(--clr-accent-400));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--dur-slow) var(--ease-smooth);
}
.event-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--clr-primary-100);
}
.event-card:hover::after { transform: scaleY(1); }

.event-card-date {
  width: 64px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--clr-primary-50), var(--bg-section-cool));
  border-radius: var(--radius-lg);
  border: 1px solid var(--clr-primary-100);
  padding: var(--space-3) var(--space-2); text-align: center;
  transition: all var(--dur-base) var(--ease-out);
}
.event-card:hover .event-card-date {
  background: linear-gradient(135deg, var(--clr-primary-100), var(--clr-primary-50));
  border-color: var(--clr-primary-200);
}
.event-card-date-day {
  font-family: var(--font-display);
  font-size: var(--text-2xl); font-weight: var(--fw-bold);
  color: var(--clr-primary-600); line-height: 1;
}
.event-card-date-month {
  font-size: var(--text-2xs); font-weight: var(--fw-semibold);
  color: var(--clr-primary-400); letter-spacing: 0.08em;
  text-transform: uppercase; margin-top: 3px;
}
.event-card-body { flex: 1; }
.event-card-title {
  font-family: var(--font-display);
  font-size: var(--text-lg); font-weight: var(--fw-bold);
  color: var(--txt-heading); line-height: var(--lh-snug); margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}
.event-card-meta {
  font-size: var(--text-sm); color: var(--txt-secondary);
  display: flex; flex-wrap: wrap; gap: var(--space-4);
}
.event-card-meta-item {
  display: flex; align-items: center; gap: 6px;
}
.event-card-meta-item svg {
  color: var(--clr-primary-400);
}

/* ===== HEADER — premium frosted glass ===== */
.site-header {
  position: sticky; top: 0; z-index: 10000;
  padding-top: var(--header-offset-top);
  height: var(--header-shell-height);
  box-sizing: border-box;
  background: rgba(250,249,247,0.88);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition: all var(--dur-base) var(--ease-out);
}
.site-header.scrolled {
  background: rgba(250,249,247,0.95);
  border-bottom-color: var(--border-light);
  box-shadow: 0 1px 0 var(--border-light), var(--shadow-sm);
}

.header-inner {
  height: 100%;
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-6);
}

.header-logo {
  display: flex; align-items: center; gap: var(--space-3);
  text-decoration: none; flex-shrink: 0;
}
.header-logo-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--clr-primary-500), var(--clr-primary-700));
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: white;
}
.header-logo-icon svg { width: 22px; height: 22px; }

.header-logo-text { display: flex; flex-direction: column; line-height: 1; }
.header-logo-name {
  font-family: var(--font-display);
  font-size: var(--text-md); font-weight: var(--fw-bold);
  color: var(--txt-heading); letter-spacing: -0.01em;
}
.header-logo-sub {
  font-size: 10px; color: var(--txt-tertiary);
  letter-spacing: 0.06em; text-transform: uppercase; margin-top: 2px;
}

/* Desktop nav */
.header-nav {
  display: flex; align-items: center;
  gap: var(--space-1); flex: 1; justify-content: center;
}

.nav-link {
  font-size: var(--text-sm); font-weight: var(--fw-medium);
  color: var(--txt-secondary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}
.nav-link:hover { color: var(--clr-primary-700); background: var(--clr-primary-50); }
.nav-link.active { color: var(--clr-primary-700); font-weight: var(--fw-semibold); }

.nav-link[aria-haspopup="true"] {
  display: inline-flex; align-items: center; gap: 4px;
}
.nav-link[aria-haspopup="true"] svg {
  width: 12px; height: 12px; flex-shrink: 0;
  opacity: 0.5;
  transition: transform var(--dur-fast) var(--ease-out);
}
.nav-item:hover .nav-link[aria-haspopup="true"] svg {
  transform: rotate(180deg);
  opacity: 0.8;
}

/* Dropdown — premium */
.nav-item { position: relative; display: flex; align-items: center; }
.nav-dropdown {
  position: absolute;
  top: calc(100% + 8px); left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(16px) saturate(1.3);
  -webkit-backdrop-filter: blur(16px) saturate(1.3);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-3);
  min-width: 260px;
  box-shadow: var(--shadow-xl), 0 0 0 1px rgba(0,0,0,0.02);
  opacity: 0; pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
  z-index: var(--z-dropdown);
}
.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown {
  opacity: 1; pointer-events: all;
  transform: translateX(-50%) translateY(0);
}
.nav-dropdown-link {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-3) var(--space-4); border-radius: var(--radius-md);
  font-size: var(--text-sm); color: var(--txt-secondary);
  text-decoration: none;
  transition: all var(--dur-fast) var(--ease-out);
}
.nav-dropdown-link:hover {
  background: var(--bg-primary-soft); color: var(--clr-primary-700);
  transform: translateX(3px);
}
.nav-dropdown-link svg {
  width: 20px; height: 20px; color: var(--clr-primary-400); flex-shrink: 0;
  transition: color var(--dur-fast);
}
.nav-dropdown-link:hover svg { color: var(--clr-primary-600); }

/* Header actions */
.header-actions {
  display: flex; align-items: center; gap: var(--space-3); flex-shrink: 0;
}

/* Mobil header'da görünen kompakt "Yükle" pill butonu (desktop'ta gizli) */
.header-install-mobile {
  display: none;
  align-items: center; gap: 6px;
  height: 38px; padding: 0 14px;
  border-radius: var(--radius-full);
  background: var(--clr-primary-50);
  color: var(--clr-primary-700);
  border: 1px solid var(--clr-primary-100);
  font-family: inherit;
  font-size: var(--text-sm); font-weight: var(--fw-semibold);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background var(--dur-fast), color var(--dur-fast);
}
.header-install-mobile:hover,
.header-install-mobile:active {
  background: var(--clr-primary-100);
  color: var(--clr-primary-800);
}
.header-install-mobile svg { flex-shrink: 0; }

/* Hamburger */
.menu-toggle {
  display: none;
  width: 42px; height: 42px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-default);
  background: transparent; cursor: pointer;
  align-items: center; justify-content: center;
  flex-direction: column; gap: 5px; padding: 0;
  transition: background var(--dur-fast);
}
.menu-toggle:hover { background: var(--clr-gray-50); }
.menu-toggle span {
  display: block; width: 18px; height: 1.5px;
  background: var(--txt-primary); border-radius: 1px;
  transition: transform var(--dur-base), opacity var(--dur-base);
}
.menu-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 4.5px); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -4.5px); }

/* Mobile menu */
.mobile-menu {
  position: fixed;
  top: var(--header-shell-height-mobile);
  left: 0; right: 0; bottom: 0;
  width: 100%;
  height: calc(100dvh - var(--header-shell-height-mobile));
  z-index: 99999;
  background: rgba(255,255,255,0.98);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out),
              visibility var(--dur-base) var(--ease-out);
}
.mobile-menu.open,
body.menu-open .mobile-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.mobile-menu-inner {
  padding: 20px 24px calc(120px + env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mobile-menu-nav { display: flex; flex-direction: column; gap: 10px; }
.mobile-nav-link {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%;
  min-height: 54px;
  padding: 0 18px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid rgba(0,0,0,0.08);
  box-shadow: 0 1px 2px rgba(0,0,0,0.03);
  font-size: 16px; font-weight: var(--fw-bold);
  color: var(--txt-primary);
  text-decoration: none;
  transition: background var(--dur-fast), border-color var(--dur-fast), color var(--dur-fast);
}
.mobile-nav-link:hover,
.mobile-nav-link.active {
  background: var(--clr-primary-50);
  border-color: var(--clr-primary-200);
  color: var(--clr-primary-700);
}
.mobile-nav-link:hover {
  background: var(--clr-primary-50); color: var(--clr-primary-700);
  border-bottom-color: transparent;
}

.mobile-menu-sub { padding-left: var(--space-5); }
.mobile-menu-sub .mobile-nav-link {
  font-size: var(--text-sm); color: var(--txt-secondary);
  padding: var(--space-3) var(--space-4);
}

.mobile-menu-actions {
  display: flex; flex-direction: column; gap: 10px;
  margin-top: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--border-default);
}
.mobile-menu-actions .btn { min-height: 54px; border-radius: 18px; font-size: 16px; }

/* ===== BOTTOM NAV — premium glass ===== */
.bottom-nav {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0;
  width: 100%;
  max-width: 100vw;
  box-sizing: border-box;
  height: calc(var(--mobile-nav-height) + env(safe-area-inset-bottom));
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(24px) saturate(1.6);
  -webkit-backdrop-filter: blur(24px) saturate(1.6);
  border-top: 1px solid rgba(255,255,255,0.5);
  box-shadow: 0 -4px 32px rgba(0,0,0,0.06), 0 -1px 0 rgba(0,0,0,0.03);
  z-index: 9000;
  overflow: hidden;
  padding: 6px max(8px, env(safe-area-inset-left)) calc(6px + env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-right));
}
.bottom-nav-inner {
  width: 100%;
  max-width: 100%;
  height: var(--mobile-nav-height);
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  align-items: center;
  gap: 0;
}
.bottom-nav-item {
  min-width: 0; width: 100%; max-width: 100%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 3px;
  overflow: hidden;
  text-align: center;
  text-decoration: none; color: var(--txt-tertiary);
  font-size: 11px; font-weight: var(--fw-medium);
  line-height: 1.1;
  white-space: normal;
  padding: 4px 2px 0;
  transition: color var(--dur-fast);
  -webkit-tap-highlight-color: transparent;
  position: relative;
}
.bottom-nav-item::before {
  content: ''; position: absolute; top: 0; left: 50%;
  transform: translateX(-50%); width: 32px; height: 2px;
  background: var(--clr-primary-500); border-radius: 0 0 2px 2px;
  opacity: 0; transition: opacity var(--dur-fast);
}
.bottom-nav-item.active,
.bottom-nav-item:hover { color: var(--clr-primary-600); }
.bottom-nav-item.active { font-weight: var(--fw-semibold); }
.bottom-nav-item.active::before { opacity: 1; }
.bottom-nav-item.active .bottom-nav-icon {
  background: var(--clr-primary-50);
  border-radius: var(--radius-full);
  width: 36px; height: 36px;
}

.bottom-nav-icon {
  width: 22px; height: 22px;
  display: flex; align-items: center; justify-content: center;
}

/* Featured nav item — satır içinde durur (overflow:hidden ile kırpılmasın) */
.bottom-nav-featured .bottom-nav-icon-wrap {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--clr-primary-500), var(--clr-primary-700));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-top: 0;
  box-shadow: var(--shadow-primary);
}
.bottom-nav-featured svg { color: white; }

/* Mobil menü açıkken alt menü görünmesin (menünün üstüne çıkmasın) */
body.menu-open .bottom-nav { display: none; }

/* ===== FOOTER — premium dark ===== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.7);
  padding-top: clamp(4rem, 8vw, 6rem);
  position: relative;
  overflow: hidden;
}
.site-footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--clr-primary-400), var(--clr-accent-400), transparent);
}
.site-footer::after {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(26,107,104,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: clamp(2rem, 4vw, 3rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  position: relative;
}
.footer-brand-name {
  font-family: var(--font-display);
  font-size: var(--text-2xl); font-weight: var(--fw-bold);
  color: white; line-height: var(--lh-snug); margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}
.footer-brand-desc {
  font-size: var(--text-sm); line-height: var(--lh-relaxed);
  color: rgba(255,255,255,0.60); margin-bottom: var(--space-6);
  max-width: 320px;
}
.footer-contact-list {
  list-style: none; padding: 0;
  display: flex; flex-direction: column; gap: var(--space-3);
}
.footer-contact-item {
  font-size: var(--text-sm); color: rgba(255,255,255,0.60);
  display: flex; align-items: flex-start; gap: var(--space-3);
  line-height: var(--lh-relaxed);
  transition: color var(--dur-fast);
}
.footer-contact-item:hover { color: rgba(255,255,255,0.85); }
.footer-contact-icon {
  flex-shrink: 0; width: 16px; height: 20px;
  display: flex; align-items: center; justify-content: center;
  color: var(--clr-primary-300); margin-top: 1px;
}
.footer-col-title {
  font-size: var(--text-2xs); font-weight: var(--fw-semibold);
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.12em; text-transform: uppercase;
  margin-bottom: var(--space-6);
  position: relative;
  padding-bottom: var(--space-3);
}
.footer-col-title::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 24px; height: 2px;
  background: var(--clr-primary-400);
  border-radius: 1px;
}
.footer-links {
  list-style: none; padding: 0;
  display: flex; flex-direction: column; gap: var(--space-3);
}
.footer-links a {
  font-size: var(--text-sm); color: rgba(255,255,255,0.55);
  text-decoration: none;
  transition: color var(--dur-fast), transform var(--dur-fast);
  display: inline-block;
}
.footer-links a:hover {
  color: var(--clr-primary-300);
  transform: translateX(3px);
}

.footer-divider {
  border: none;
  border-top: 1px solid rgba(255,255,255,0.06);
  margin: 0;
}

.footer-bottom {
  padding: var(--space-6) 0;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: var(--space-3);
}
.footer-copyright {
  font-size: var(--text-xs); color: rgba(255,255,255,0.25);
  letter-spacing: 0.02em;
}
.footer-legal { display: flex; gap: var(--space-5); }
.footer-legal a {
  font-size: var(--text-xs); color: rgba(255,255,255,0.25);
  text-decoration: none; transition: color var(--dur-fast);
}
.footer-legal a:hover { color: rgba(255,255,255,0.55); }

/* ===== TRUST BAR — premium ===== */
.trust-bar {
  background: var(--bg-card);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  padding: var(--space-10) 0;
  position: relative;
}
.trust-bar-inner {
  display: flex; align-items: center; justify-content: center;
  gap: clamp(2rem, 5vw, 4rem); flex-wrap: wrap;
}
.trust-item {
  display: flex; flex-direction: column; align-items: center;
  gap: var(--space-2); min-width: 110px;
}
.trust-item-value {
  font-family: var(--font-display);
  font-size: clamp(var(--text-3xl), 3.5vw, var(--text-4xl));
  font-weight: var(--fw-bold);
  background: linear-gradient(135deg, var(--clr-primary-500), var(--clr-primary-700));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1; letter-spacing: -0.03em;
}
.trust-item-label {
  font-size: var(--text-2xs); font-weight: var(--fw-semibold);
  color: var(--txt-tertiary); text-align: center;
  letter-spacing: 0.08em; text-transform: uppercase;
}
.trust-item-ico {
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-xl);
  background: var(--clr-primary-50);
  color: var(--clr-primary-600);
}
.trust-item-text {
  font-size: var(--text-sm); font-weight: var(--fw-semibold);
  color: var(--txt-primary); text-align: center;
  line-height: 1.25;
}
.trust-divider {
  width: 1px; height: 52px;
  background: linear-gradient(180deg, transparent, var(--border-default), transparent);
  flex-shrink: 0;
}

/* ===== FORM ===== */
.form-group { display: flex; flex-direction: column; gap: var(--space-3); }
.form-label {
  font-size: var(--text-sm); font-weight: var(--fw-medium);
  color: var(--txt-primary);
}
.form-label.required::after { content: ' *'; color: var(--clr-warm-500); }

.form-input, .form-select, .form-textarea {
  width: 100%; height: var(--input-height);
  padding: 0 var(--input-px);
  border: 1.5px solid var(--border-default);
  border-radius: var(--input-radius);
  font-family: var(--font-body); font-size: var(--text-base);
  color: var(--txt-primary); background: var(--bg-card);
  transition: border-color var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out),
              background var(--dur-base) var(--ease-out);
  -webkit-appearance: none;
  appearance: none;
}
.form-textarea {
  height: auto; padding: var(--space-4) var(--input-px);
  resize: vertical; min-height: 120px;
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--txt-tertiary); }
.form-input:hover, .form-select:hover, .form-textarea:hover { border-color: var(--clr-primary-300); }
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none; border-color: var(--clr-primary-500);
  box-shadow: 0 0 0 3px rgba(26,107,104,0.10);
  background: var(--bg-card);
}
.form-input.error { border-color: var(--clr-error-500); box-shadow: 0 0 0 3px rgba(212,85,85,0.08); }
.form-error { font-size: var(--text-xs); color: var(--clr-error-600); }
.form-hint { font-size: var(--text-xs); color: var(--txt-tertiary); }

/* Checkbox */
.form-checkbox {
  display: flex; align-items: flex-start; gap: var(--space-3); cursor: pointer;
}
.form-checkbox input[type="checkbox"] {
  width: 18px; height: 18px;
  border: 1.5px solid var(--border-strong); border-radius: 4px;
  appearance: none; background: white; cursor: pointer;
  flex-shrink: 0; margin-top: 1px; position: relative;
  transition: border-color var(--dur-fast), background var(--dur-fast);
}
.form-checkbox input[type="checkbox"]:checked {
  background: var(--clr-primary-500); border-color: var(--clr-primary-500);
}
.form-checkbox input[type="checkbox"]:checked::after {
  content: ''; position: absolute; inset: 3px;
  background: white;
  clip-path: polygon(20% 45%, 0% 70%, 40% 100%, 100% 10%, 80% 0%, 40% 70%);
}

/* ===== ACCORDION — premium ===== */
.accordion {
  display: flex;
  flex-direction: column;
}
.accordion-item {
  border-bottom: 1px solid var(--border-light);
  transition: background var(--dur-base) var(--ease-out);
}
.accordion-item.open {
  background: var(--bg-section-alt);
  margin-inline: calc(-1 * var(--space-5));
  padding-inline: var(--space-5);
  border-radius: var(--radius-md);
  border-bottom-color: transparent;
}
.accordion-trigger {
  width: 100%; display: flex; align-items: center;
  justify-content: space-between;
  padding: var(--space-6) 0;
  font-family: var(--font-display);
  font-size: var(--text-md); font-weight: var(--fw-semibold);
  color: var(--txt-primary); text-align: left;
  cursor: pointer; background: none; border: none;
  gap: var(--space-4); transition: color var(--dur-fast);
  letter-spacing: -0.01em;
}
.accordion-trigger:hover { color: var(--clr-primary-700); }
.accordion-icon {
  width: 30px; height: 30px; border-radius: 50%;
  border: 1.5px solid var(--border-default);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: all var(--dur-base) var(--ease-out);
  color: var(--txt-tertiary);
}
.accordion-item.open .accordion-icon {
  transform: rotate(180deg);
  border-color: var(--clr-primary-400);
  background: linear-gradient(135deg, var(--clr-primary-50), var(--clr-primary-100));
  color: var(--clr-primary-600);
  box-shadow: var(--shadow-xs);
}
.accordion-body {
  max-height: 0; overflow: hidden;
  transition: max-height var(--dur-slow) var(--ease-out);
}
.accordion-content {
  padding-bottom: var(--space-6);
  font-size: var(--text-base); color: var(--txt-secondary);
  line-height: var(--lh-relaxed);
}
.accordion-item.open .accordion-body { max-height: 600px; }

/* ===== TOAST ===== */
.toast-container {
  position: fixed; bottom: calc(var(--mobile-nav-height) + 16px);
  left: 50%; transform: translateX(-50%);
  z-index: var(--z-toast);
  display: flex; flex-direction: column; gap: var(--space-2);
  pointer-events: none;
}
.toast {
  background: var(--clr-gray-800); color: white;
  border-radius: var(--radius-full);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm); font-weight: var(--fw-medium);
  box-shadow: var(--shadow-xl);
  pointer-events: all;
  animation: fadeInUp 0.3s var(--ease-out) both;
}
.toast.success { background: var(--clr-success-600); }
.toast.error   { background: var(--clr-error-600); }

/* ===== BREADCRUMB — premium ===== */
.breadcrumb {
  display: flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-xs); color: var(--txt-tertiary);
  margin-bottom: var(--space-8);
  letter-spacing: 0.02em;
}
.breadcrumb a {
  color: var(--txt-tertiary); text-decoration: none;
  transition: color var(--dur-fast);
}
.breadcrumb a:hover { color: var(--clr-primary-600); }
.breadcrumb-current { color: var(--txt-secondary); font-weight: var(--fw-medium); }
.breadcrumb-sep { font-size: 9px; color: var(--txt-muted); }

/* ===== PAGE HERO (iç sayfalar) — premium ===== */
.page-hero {
  background:
    radial-gradient(ellipse 700px 500px at 80% 15%, rgba(26,107,104,0.09) 0%, transparent 65%),
    radial-gradient(ellipse 500px 400px at 15% 85%, rgba(242,192,64,0.05) 0%, transparent 60%),
    radial-gradient(ellipse 300px 300px at 50% 50%, rgba(107,45,139,0.03) 0%, transparent 50%),
    linear-gradient(170deg, var(--clr-primary-50) 0%, var(--bg-page) 60%, var(--bg-section-warm) 100%);
  padding: clamp(5rem, 12vw, 7rem) 0 clamp(3rem, 7vw, 5rem);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%; pointer-events: none;
  border: 1px solid rgba(26,107,104,0.04);
  top: -200px; right: -150px;
}
.page-hero::after {
  content: ''; position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: var(--gradient-separator);
}
.page-hero-title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: var(--fw-bold);
  color: var(--txt-heading);
  line-height: 1.08;
  letter-spacing: -0.035em;
  margin-bottom: var(--space-5);
}
.page-hero-desc {
  font-size: clamp(var(--text-base), 1.5vw, var(--text-lg));
  color: var(--txt-secondary);
  line-height: var(--lh-relaxed);
  max-width: 560px;
}

/* ===== DISCLAIMER ===== */
.disclaimer-banner {
  background: var(--clr-accent-50);
  border: 1px solid var(--clr-accent-200);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  display: flex; align-items: flex-start; gap: var(--space-3);
}
.disclaimer-icon { flex-shrink: 0; width: 20px; height: 20px; color: var(--clr-accent-600); }
.disclaimer-text {
  font-size: var(--text-sm); color: var(--clr-accent-800);
  line-height: var(--lh-relaxed);
}

/* ===== PWA INSTALL BANNER ===== */
.pwa-banner {
  position: fixed;
  bottom: calc(var(--mobile-nav-height) + 16px);
  left: 50%; transform: translateX(-50%) translateY(120%);
  z-index: var(--z-toast);
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-2xl);
  padding: var(--space-4) var(--space-5);
  box-shadow: var(--shadow-2xl);
  display: flex; align-items: center; gap: var(--space-4);
  max-width: 400px; width: calc(100% - 2rem);
  transition: transform var(--dur-slow) var(--ease-spring);
  pointer-events: none;
}
.pwa-banner.show {
  transform: translateX(-50%) translateY(0);
  pointer-events: all;
}
.pwa-banner-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--clr-primary-50), var(--bg-section-cool));
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.pwa-banner-text { flex: 1; min-width: 0; }
.pwa-banner-title {
  font-size: var(--text-sm); font-weight: var(--fw-semibold);
  color: var(--txt-heading); line-height: var(--lh-snug);
}
.pwa-banner-desc {
  font-size: var(--text-xs); color: var(--txt-tertiary);
}

.pwa-ios-hint {
  position: fixed;
  bottom: calc(var(--mobile-nav-height) + 16px);
  left: 50%;
  transform: translateX(-50%);
  z-index: calc(var(--z-toast) - 1);
  background: var(--bg-card);
  border: 1px solid var(--clr-primary-200);
  border-radius: var(--radius-2xl);
  padding: var(--space-3) var(--space-4);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  max-width: 400px;
  width: calc(100% - 2rem);
  font-size: var(--text-xs);
  color: var(--txt-secondary);
  line-height: var(--lh-relaxed);
}
.pwa-ios-hint[hidden] {
  display: none !important;
}
.pwa-ios-hint-text {
  flex: 1;
  min-width: 0;
}
.pwa-ios-hint-kbd {
  font-weight: var(--fw-semibold);
  color: var(--clr-primary-700);
}

/* ===== UYGULAMA YÜKLÜYSE TÜM "YÜKLE" CTA'LARI GİZLİ =====
   body.pwa-installed app.js tarafından eklenir (standalone / kalıcı işaret).
   Dinamik eklenen butonlar da (ör. rapor ekranı) otomatik gizlenir. */
body.pwa-installed [data-pwa-install],
body.pwa-installed .header-install-mobile,
body.pwa-installed .hero-lead-install,
body.pwa-installed .pwa-promo-card,
body.pwa-installed .oe-pwa-cta {
  display: none !important;
}

/* ===== OTOMATİK PWA POPUP TAMAMEN DEVRE DIŞI =====
   Kurulum yalnızca bilinçli [data-pwa-install] butonlarıyla başlar.
   Eski/önbellekten gelen banner DOM'ları olsa bile asla görünmez. */
#pwa-banner,
.pwa-banner,
.pwa-banner.show,
#pwa-ios-hint,
.pwa-ios-hint,
.pwa-install-banner,
.install-toast {
  display: none !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}

@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .site-header { height: var(--header-shell-height-mobile); }
  .header-nav { display: none; }
  .header-actions .btn { display: none; }
  .header-install-mobile { display: inline-flex; }
  .menu-toggle { display: flex; }
  .bottom-nav { display: block; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-6); }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .trust-bar-inner { gap: var(--space-6); }
  .trust-divider { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }

  /* Page hero mobile polish */
  .page-hero { padding: clamp(3rem, 8vw, 4.5rem) 0 clamp(2rem, 5vw, 3rem); }
  .page-hero::before { display: none; }
  .page-hero-title { font-size: clamp(var(--text-2xl), 7vw, var(--text-3xl)); }

  /* Section title mobile */
  .section-title { font-size: clamp(var(--text-xl), 6vw, var(--text-2xl)); }

  /* Event card stack on mobile */
  .event-card { flex-direction: column; gap: var(--space-4); }
  .event-card-date { width: auto; flex-direction: row; gap: var(--space-2); }

  /* Content card body spacing */
  .content-card-body { padding: var(--space-5); }

  /* Breadcrumb smaller */
  .breadcrumb { font-size: var(--text-2xs); margin-bottom: var(--space-5); }

  /* Form input height */
  .form-input, .form-select { height: 46px; }

  /* Mobile nav link density */
  .mobile-nav-link { font-size: var(--text-base); }

  /* Bottom padding for mobile nav */
  body.has-mobile-nav main { padding-bottom: var(--mobile-nav-height); }
  body.has-mobile-nav .site-footer { padding-bottom: var(--mobile-nav-height); }
}

@media (max-width: 480px) {
  .trust-bar-inner {
    display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4);
  }
  .section-header { text-align: center; }
  .section-subtitle { margin-inline: auto; }

  /* Card padding tighter */
  .service-card { padding: var(--space-5); }
  .card { padding: var(--space-5); }
}

/* ============================================================
   FORM ALERT & LOADING STATES
   ============================================================ */

/* Field-level error */
.field-error {
  border-color: var(--clr-error-500) !important;
  box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.08) !important;
}
.field-error:focus {
  border-color: var(--clr-error-600) !important;
  box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.15) !important;
}
.form-field-error {
  display: block;
  font-size: var(--text-xs);
  color: var(--clr-error-500);
  margin-top: var(--space-1);
  line-height: var(--lh-normal);
}

/* Form alert blocks */
.form-alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  border-radius: var(--radius-xl);
  border: 1px solid;
  margin-bottom: var(--space-6);
  animation: formAlertIn 0.35s var(--ease-out) both;
  position: relative;
}

.form-alert-success {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.06), rgba(16, 185, 129, 0.02));
  border-color: rgba(16, 185, 129, 0.2);
  color: #065f46;
}
.form-alert-success .form-alert-icon {
  color: #10b981;
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  margin-top: 2px;
}

.form-alert-error {
  background: linear-gradient(135deg, rgba(220, 53, 69, 0.06), rgba(220, 53, 69, 0.02));
  border-color: rgba(220, 53, 69, 0.2);
  color: #991b1b;
}
.form-alert-error .form-alert-icon {
  color: var(--clr-error-500);
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  margin-top: 2px;
}

.form-alert-content { flex: 1; }
.form-alert-title {
  font-weight: var(--fw-bold);
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
}
.form-alert-message {
  font-size: var(--text-sm);
  line-height: var(--lh-relaxed);
  opacity: 0.85;
}

.form-alert-close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-4);
  background: none;
  border: none;
  font-size: var(--text-xl);
  cursor: pointer;
  color: inherit;
  opacity: 0.4;
  padding: 0;
  line-height: 1;
  transition: opacity var(--dur-fast) ease;
}
.form-alert-close:hover { opacity: 0.7; }

/* Loading spinner */
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spinnerRotate 0.6s linear infinite;
  vertical-align: middle;
}
.btn-loading {
  pointer-events: none;
  opacity: 0.8;
}

/* Animations */
@keyframes formAlertIn {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes formAlertOut {
  from { opacity: 1; transform: translateY(0); }
  to   { opacity: 0; transform: translateY(-8px); }
}
@keyframes spinnerRotate {
  to { transform: rotate(360deg); }
}