.article-stack {
  margin-top: var(--space-12);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}
.article-card {
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  background: var(--color-white);
  box-shadow: 0 25px 60px rgba(15,23,42,.08);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.article-card h3 {
  font-size: var(--text-xl);
  color: var(--color-secondary);
}
.article-card p {
  font-size: var(--text-base);
  color: var(--color-gray-600);
  line-height: var(--leading-relaxed);
}
/* =====================================================
   KOCAELI PLİSE PERDE — DESIGN SYSTEM
   Design Tokens + Typography + Spacing + Components
   ===================================================== */

/* ── 1. DESIGN TOKENS ─────────────────────────────── */
:root {
  /* Brand Colors */
  --color-primary:        #83bd81;
  --color-primary-dark:   #6aab68;
  --color-primary-light:  #a8d5a6;
  --color-primary-subtle: #f0f9ef;
  --color-secondary:      #404e5e;
  --color-secondary-dark: #2d3847;
  --color-secondary-light:#5a6a7e;

  /* Neutral Palette */
  --color-white:   #ffffff;
  --color-gray-50: #f9fafb;
  --color-gray-100:#f3f4f6;
  --color-gray-200:#e5e7eb;
  --color-gray-300:#d1d5db;
  --color-gray-400:#9ca3af;
  --color-gray-500:#6b7280;
  --color-gray-600:#4b5563;
  --color-gray-700:#374151;
  --color-gray-800:#1f2937;
  --color-gray-900:#111827;

  /* Semantic Colors */
  --color-success:  #16a34a;
  --color-warning:  #d97706;
  --color-error:    #dc2626;
  --color-info:     #2563eb;

  /* Typography */
  --font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-family-mono: "SF Mono", "Fira Code", "Fira Mono", "Roboto Mono", monospace;

  /* Font Sizes — T-Shirt Scale */
  --text-xs:   0.75rem;   /* 12px */
  --text-sm:   0.875rem;  /* 14px */
  --text-base: 1rem;      /* 16px */
  --text-lg:   1.125rem;  /* 18px */
  --text-xl:   1.25rem;   /* 20px */
  --text-2xl:  1.5rem;    /* 24px */
  --text-3xl:  1.875rem;  /* 30px */
  --text-4xl:  2.25rem;   /* 36px */
  --text-5xl:  3rem;      /* 48px */
  --text-6xl:  3.75rem;   /* 60px */

  /* Font Weights */
  --font-light:    300;
  --font-normal:   400;
  --font-medium:   500;
  --font-semibold: 600;
  --font-bold:     700;
  --font-extrabold:800;

  /* Line Heights */
  --leading-none:   1;
  --leading-tight:  1.25;
  --leading-snug:   1.375;
  --leading-normal: 1.5;
  --leading-relaxed:1.625;
  --leading-loose:  2;

  /* Letter Spacing */
  --tracking-tight:  -0.025em;
  --tracking-normal:  0;
  --tracking-wide:    0.025em;
  --tracking-wider:   0.05em;
  --tracking-widest:  0.1em;

  /* Spacing Scale (8px base) */
  --space-1:  0.25rem;  /* 4px */
  --space-2:  0.5rem;   /* 8px */
  --space-3:  0.75rem;  /* 12px */
  --space-4:  1rem;     /* 16px */
  --space-5:  1.25rem;  /* 20px */
  --space-6:  1.5rem;   /* 24px */
  --space-8:  2rem;     /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */
  --space-32: 8rem;     /* 128px */

  /* Border Radius */
  --radius-sm:   0.25rem;
  --radius-md:   0.5rem;
  --radius-lg:   0.75rem;
  --radius-xl:   1rem;
  --radius-2xl:  1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 2px rgba(0,0,0,.05);
  --shadow-md:  0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg:  0 10px 15px rgba(0,0,0,.07), 0 4px 6px rgba(0,0,0,.05);
  --shadow-xl:  0 20px 25px rgba(0,0,0,.07), 0 8px 10px rgba(0,0,0,.04);
  --shadow-2xl: 0 25px 50px rgba(0,0,0,.12);

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow:   350ms ease;

  /* Container */
  --container-sm:  640px;
  --container-md:  768px;
  --container-lg:  1024px;
  --container-xl:  1200px;
  --container-2xl: 1400px;

  /* Z-Index */
  --z-base:             0;
  --z-dropdown:        10;
  --z-sticky:          100;
  --z-modal:           1000;
  --z-fixed:           2000;
  --z-mobile-nav:      3000;
  --z-mobile-backdrop: 2500;
}

/* ── 2. RESET & BASE ──────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  line-height: var(--leading-relaxed);
  color: var(--color-gray-700);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, select, textarea { font-family: inherit; }
table { border-collapse: collapse; width: 100%; }

/* ── 3. TYPOGRAPHY SCALE ─────────────────────────── */
h1, .h1 {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: var(--font-extrabold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-secondary);
}
h2, .h2 {
  font-size: clamp(var(--text-2xl), 3.5vw, var(--text-4xl));
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-secondary);
}
h3, .h3 {
  font-size: clamp(var(--text-xl), 2.5vw, var(--text-3xl));
  font-weight: var(--font-semibold);
  line-height: var(--leading-snug);
  color: var(--color-secondary);
}
h4, .h4 {
  font-size: clamp(var(--text-lg), 2vw, var(--text-2xl));
  font-weight: var(--font-semibold);
  line-height: var(--leading-snug);
  color: var(--color-secondary);
}
h5, .h5 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  line-height: var(--leading-normal);
  color: var(--color-secondary);
}
h6, .h6 {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  line-height: var(--leading-normal);
  color: var(--color-secondary);
}

p {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-gray-600);
  margin-bottom: var(--space-4);
}
p:last-child { margin-bottom: 0; }

.text-sm   { font-size: var(--text-sm); }
.text-xs   { font-size: var(--text-xs); }
.text-lg   { font-size: var(--text-lg); }
.text-xl   { font-size: var(--text-xl); }
.lead      { font-size: var(--text-lg); line-height: var(--leading-relaxed); color: var(--color-gray-600); }
.caption   { font-size: var(--text-xs); color: var(--color-gray-500); letter-spacing: var(--tracking-wide); }
.label-text{ font-size: var(--text-sm); font-weight: var(--font-medium); color: var(--color-gray-700); }

strong { font-weight: var(--font-bold); color: var(--color-secondary); }
em     { font-style: italic; }
u      { text-decoration: underline; text-underline-offset: 3px; }

/* ── 4. LAYOUT & CONTAINERS ──────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
}
.container-sm  { max-width: var(--container-sm); }
.container-lg  { max-width: var(--container-lg); }
.container-2xl { max-width: var(--container-2xl); }

.section {
  padding: var(--space-20) 0;
}
.section-sm { padding: var(--space-12) 0; }
.section-lg { padding: var(--space-32) 0; }

.grid {
  display: grid;
  gap: var(--space-6);
}
.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-fit, minmax(280px, 1fr)); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* ── 5. SECTION HEADER ───────────────────────────── */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-16);
}
.section-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-primary-dark);
  background: var(--color-primary-subtle);
  border: 1px solid var(--color-primary-light);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-4);
  margin-bottom: var(--space-4);
}
.section-title {
  margin-bottom: var(--space-4);
}
.section-desc {
  font-size: var(--text-lg);
  color: var(--color-gray-500);
  line-height: var(--leading-relaxed);
}

/* ── 6. BUTTONS ──────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: 48px;
  padding: 0 var(--space-6);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  line-height: 1;
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}
.btn svg { width: 20px; height: 20px; flex-shrink: 0; }

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

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

.btn-outline {
  background: transparent;
  color: var(--color-primary-dark);
  border-color: var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary-subtle);
  transform: translateY(-1px);
}

.btn-outline-white {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.5);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--color-white);
}

.btn-ghost {
  background: transparent;
  color: var(--color-gray-600);
  border-color: var(--color-gray-200);
}
.btn-ghost:hover {
  background: var(--color-gray-50);
  border-color: var(--color-gray-300);
}

.btn-sm { height: 36px; padding: 0 var(--space-4); font-size: var(--text-sm); border-radius: var(--radius-md); }
.btn-sm svg { width: 16px; height: 16px; }
.btn-lg { height: 56px; padding: 0 var(--space-8); font-size: var(--text-lg); border-radius: var(--radius-xl); }
.btn-lg svg { width: 22px; height: 22px; }
.btn-xl { height: 64px; padding: 0 var(--space-10); font-size: var(--text-xl); border-radius: var(--radius-xl); }

.btn-full { width: 100%; }

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* ── 7. CARDS ─────────────────────────────────────── */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-normal);
}
.card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.card-header {
  margin-bottom: var(--space-4);
}
.card-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-secondary);
  margin-bottom: var(--space-2);
}
.card-desc {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  line-height: var(--leading-relaxed);
}
.card-cta {
  background: var(--color-primary-subtle);
  border-color: var(--color-primary-light);
  color: var(--color-secondary);
}
.card-cta .card-title {
  color: var(--color-primary-dark);
}
.card-cta .card-desc {
  color: var(--color-secondary);
}
.card-cta .btn {
  width: 100%;
  justify-content: center;
}
.card-icon {
  width: 48px;
  height: 48px;
  background: var(--color-primary-subtle);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  flex-shrink: 0;
}
.card-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary-dark);
}

/* ── 8. BADGES ────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  line-height: 1;
  padding: 4px var(--space-3);
  border-radius: var(--radius-full);
  white-space: nowrap;
}
.badge-primary { background: var(--color-primary-subtle); color: var(--color-primary-dark); border: 1px solid var(--color-primary-light); }
.badge-secondary { background: #eef0f3; color: var(--color-secondary); border: 1px solid #d0d5de; }
.badge-success { background: #f0fdf4; color: var(--color-success); border: 1px solid #bbf7d0; }
.badge-warning { background: #fffbeb; color: var(--color-warning); border: 1px solid #fde68a; }

/* ── 9. TABLES ────────────────────────────────────── */
.table-wrapper {
  width: 100%;
  overflow-x: auto;
  max-width: 100%;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-gray-200);
  margin: var(--space-8) 0;
}
.table-wrapper::-webkit-scrollbar {
  height: 8px;
}
.table-wrapper::-webkit-scrollbar-thumb {
  background: var(--color-gray-200);
  border-radius: var(--radius-full);
}
.table-wrapper::-webkit-scrollbar-track {
  background: var(--color-gray-50);
}
.table-styled {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: var(--text-sm);
}
.table-styled thead tr {
  background: var(--color-secondary);
  color: var(--color-white);
}
.table-styled thead th {
  padding: var(--space-4) var(--space-5);
  text-align: left;
  font-weight: var(--font-semibold);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  white-space: nowrap;
}
.table-styled tbody tr {
  border-bottom: 1px solid var(--color-gray-100);
  transition: background var(--transition-fast);
}
.table-styled tbody tr:last-child { border-bottom: none; }
.table-styled tbody tr:hover { background: var(--color-gray-50); }
.table-styled tbody td {
  padding: var(--space-4) var(--space-5);
  color: var(--color-gray-700);
  vertical-align: middle;
  line-height: var(--leading-snug);
}
.table-styled tbody tr:nth-child(even) { background: var(--color-gray-50); }
.table-styled tbody tr:nth-child(even):hover { background: var(--color-gray-100); }
.td-highlight { font-weight: var(--font-semibold); color: var(--color-secondary); }
.td-check { color: var(--color-success); font-weight: var(--font-bold); }
.td-cross { color: var(--color-error); }
.td-partial { color: var(--color-warning); }

/* ── 10. FORMS ────────────────────────────────────── */
.form-group { margin-bottom: var(--space-5); }
.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-gray-700);
  margin-bottom: var(--space-2);
}
.form-input, .form-select {
  width: 100%;
  height: 48px;
  padding: 0 var(--space-4);
  font-size: var(--text-base);
  color: var(--color-gray-800);
  background: var(--color-white);
  border: 1.5px solid var(--color-gray-300);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  appearance: none;
}
.form-input:focus, .form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(131,189,129,.15);
}
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

/* ── 11. ACCORDION ────────────────────────────────── */
.accordion { border-radius: var(--radius-xl); overflow: hidden; border: 1px solid var(--color-gray-200); }
.accordion-item { border-bottom: 1px solid var(--color-gray-100); }
.accordion-item:last-child { border-bottom: none; }
.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--color-secondary);
  text-align: left;
  transition: background var(--transition-fast);
  cursor: pointer;
  background: none;
  border: none;
  gap: var(--space-4);
}
.accordion-trigger:hover { background: var(--color-gray-50); }
.accordion-trigger[aria-expanded="true"] { color: var(--color-primary-dark); }
.accordion-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--transition-normal);
  color: var(--color-gray-400);
}
.accordion-trigger[aria-expanded="true"] .accordion-icon {
  transform: rotate(180deg);
  color: var(--color-primary-dark);
}
.accordion-content {
  display: none;
  padding: 0 var(--space-6) var(--space-5);
  color: var(--color-gray-600);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
}
.accordion-content.is-open { display: block; }

/* ── 12. HEADER / NAVBAR ──────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-gray-200);
  height: 72px;
  display: flex;
  align-items: center;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}
.logo-mark {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}
.logo-text {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-secondary);
  line-height: 1.1;
}
.logo-sub {
  font-size: var(--text-xs);
  color: var(--color-primary-dark);
  font-weight: var(--font-medium);
}
.logo img {
  display: block;
  height: auto;
  max-width: 220px;
}
.main-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
}
.nav-link {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-gray-600);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}
.nav-link:hover,
.nav-link:focus-visible {
  color: var(--color-secondary);
}
.nav-link:hover::after,
.nav-link:focus-visible::after {
  opacity: 1;
  transform: translateY(0);
}
.nav-toggle {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-gray-200);
  background: var(--color-white);
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after {
  content: "";
  width: 20px;
  height: 2px;
  background: var(--color-secondary);
  display: block;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}
.nav-toggle::before { transform: translateY(-6px); }
.nav-toggle::after { transform: translateY(6px); }
.nav-toggle.is-active span { opacity: 0; }
.nav-toggle.is-active::before { transform: rotate(45deg); }
.nav-toggle.is-active::after { transform: rotate(-45deg); }
.header-contact {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.header-phone {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-secondary);
  transition: color var(--transition-fast);
}
.header-phone:hover { color: var(--color-primary-dark); }
.header-phone svg { width: 16px; height: 16px; color: var(--color-primary-dark); }

/* ── 13. HERO SECTION ─────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 50%, #1e2936 100%);
  position: relative;
  overflow: hidden;
  padding: 50px 0;
  min-height: auto;
  display: flex;
  align-items: center;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 70% 40%, rgba(131,189,129,.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 30px,
    rgba(255,255,255,1) 30px,
    rgba(255,255,255,1) 31px
  ),
  repeating-linear-gradient(
    90deg,
    transparent,
    transparent 30px,
    rgba(255,255,255,1) 30px,
    rgba(255,255,255,1) 31px
  );
  pointer-events: none;
}
.hero-content { position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(131,189,129,.15);
  border: 1px solid rgba(131,189,129,.3);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--color-primary-light);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}
.hero-badge svg { width: 14px; height: 14px; }
.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--space-6);
}
.hero h1 span { color: var(--color-primary); }
.hero-lead {
  font-size: clamp(var(--text-base), 2vw, var(--text-xl));
  color: rgba(255,255,255,.75);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-10);
  max-width: 620px;
}
.hero-lead strong {
  color: var(--color-white);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
  padding-top: var(--space-10);
  border-top: 1px solid rgba(255,255,255,.12);
}
.hero-stat-num {
  font-size: var(--text-3xl);
  font-weight: var(--font-extrabold);
  color: var(--color-primary);
  line-height: 1;
}
.hero-stat-label {
  font-size: var(--text-sm);
  color: rgba(255,255,255,.6);
  margin-top: var(--space-1);
}
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-card-stack {
  display: grid;
  gap: var(--space-4);
}
.hero-info-card {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.hero-info-icon {
  width: 44px;
  height: 44px;
  background: rgba(131,189,129,.2);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.hero-info-icon svg { width: 22px; height: 22px; color: var(--color-primary); }
.hero-info-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-white);
  margin-bottom: 2px;
}
.hero-info-sub {
  font-size: var(--text-xs);
  color: rgba(255,255,255,.55);
}

/* ── 14. TRUST BAR ────────────────────────────────── */
.trust-bar {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-100);
  padding: var(--space-6) 0;
}
.trust-bar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
}
.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-secondary);
}
.trust-icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary-subtle);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.trust-icon svg { width: 20px; height: 20px; color: var(--color-primary-dark); }
.trust-divider {
  width: 1px;
  height: 32px;
  background: var(--color-gray-200);
}

/* ── 15. PRODUCT CARDS ────────────────────────────── */
.product-tab-nav {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: var(--space-10);
}
.tab-btn {
  height: 40px;
  padding: 0 var(--space-5);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-gray-600);
  background: var(--color-gray-100);
  border-radius: var(--radius-full);
  border: 1.5px solid transparent;
  transition: all var(--transition-fast);
  cursor: pointer;
}
.tab-btn:hover, .tab-btn.active {
  background: var(--color-primary-subtle);
  color: var(--color-primary-dark);
  border-color: var(--color-primary-light);
}

.product-panel { display: none; }
.product-panel.active { display: grid; }

.product-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-normal);
}
.product-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}
.product-card-head {
  background: var(--color-primary-subtle);
  padding: var(--space-5);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
}
.product-card-icon {
  width: 48px;
  height: 48px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}
.product-card-icon svg { width: 26px; height: 26px; color: var(--color-primary-dark); }
.product-card-body { padding: var(--space-5); }
.product-card-title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-secondary);
  margin-bottom: var(--space-2);
}
.product-card-desc {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}
.product-card-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}
.product-feature-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-gray-600);
}
.product-feature-item svg { width: 14px; height: 14px; color: var(--color-primary-dark); flex-shrink: 0; }

/* ── 16. COMPARISON TABLE ─────────────────────────── */
.comparison-section { background: var(--color-gray-50); }
.comparison-section .table-wrapper { margin-top: 0; }

/* ── 17. DISTRICTS ────────────────────────────────── */
.district-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--space-3);
}
.district-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  text-align: center;
  transition: all var(--transition-fast);
  cursor: default;
}
.district-card:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-subtle);
  transform: translateY(-2px);
}
.district-name {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-secondary);
  margin-top: var(--space-2);
}
.district-note {
  font-size: var(--text-xs);
  color: var(--color-primary-dark);
}
.district-icon { margin: 0 auto; width: 28px; height: 28px; color: var(--color-primary-dark); }

/* ── 18. CTA SECTION ──────────────────────────────── */
.cta-section {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 80% 50%, rgba(131,189,129,.12) 0%, transparent 70%);
  pointer-events: none;
}

/* ── 19. GALLERY ──────────────────────────────────── */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-4);
}
.gallery-item {
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--color-gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-gray-200);
  position: relative;
}
.gallery-media {
  width: 100%;
  height: 100%;
}
.gallery-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.gallery-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  color: var(--color-gray-400);
  padding: var(--space-6);
}
.gallery-placeholder svg { width: 40px; height: 40px; }
.gallery-placeholder-text { font-size: var(--text-sm); text-align: center; }
.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(64,78,94,.85));
  padding: var(--space-4);
  opacity: 0;
  transition: opacity var(--transition-normal);
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-label {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-white);
}

/* ── 20. PROCESS STEPS ────────────────────────────── */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-6);
  counter-reset: step;
}
.process-step {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  background: var(--color-white);
  box-shadow: 0 18px 40px rgba(15,23,42,.06);
}
.step-num {
  width: 52px;
  height: 52px;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: var(--text-xl);
  font-weight: var(--font-extrabold);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  counter-increment: step;
  box-shadow: 0 4px 12px rgba(131,189,129,.4);
}
.step-content { flex: 1; padding-top: 0; }
.step-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-secondary);
  margin-bottom: var(--space-2);
}
.step-desc {
  font-size: var(--text-base);
  color: var(--color-gray-500);
  line-height: var(--leading-relaxed);
}

/* ── 21. FOOTER ───────────────────────────────────── */
.site-footer {
  background: var(--color-secondary-dark);
  color: rgba(255,255,255,.7);
  padding: var(--space-16) 0 var(--space-8);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}
.footer-brand { min-width: 0; }
.footer-logo-text {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-white);
  margin-bottom: var(--space-3);
  line-height: 1.1;
}
.footer-desc {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
  color: rgba(255,255,255,.55);
}
.footer-contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: rgba(255,255,255,.7);
  margin-bottom: var(--space-3);
  transition: color var(--transition-fast);
}
.footer-contact-item:hover { color: var(--color-primary); }
.footer-contact-item svg { width: 16px; height: 16px; color: var(--color-primary); flex-shrink: 0; }

.footer-heading {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
  margin-bottom: var(--space-5);
}
.footer-links { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-link {
  font-size: var(--text-sm);
  color: rgba(255,255,255,.65);
  transition: color var(--transition-fast);
}
.footer-link:hover { color: var(--color-primary); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.footer-copy {
  font-size: var(--text-xs);
  color: rgba(255,255,255,.4);
}

/* ── 22. FLOATING ACTIONS ─────────────────────────── */
.float-cta {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-overlay);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.float-btn {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-xl);
  transition: all var(--transition-fast);
  text-decoration: none;
}
.float-btn:hover { transform: scale(1.1); box-shadow: var(--shadow-2xl); }
.float-wa { background: #25d366; }
.float-phone { background: var(--color-primary-dark); }
.float-btn svg { width: 26px; height: 26px; color: var(--color-white); }

/* ── 23. ANNOUNCEMENT BAR ─────────────────────────── */
.announce-bar {
  background: var(--color-primary);
  color: var(--color-white);
  text-align: center;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}
.announce-bar a { color: var(--color-white); text-decoration: underline; }
.announce-item { display: flex; align-items: center; gap: var(--space-2); }
.announce-item svg { width: 14px; height: 14px; flex-shrink: 0; }

/* ── 24. SECTION VARIANTS ─────────────────────────── */
.bg-gray { background: var(--color-gray-50); }
.bg-white { background: var(--color-white); }
.bg-primary-subtle { background: var(--color-primary-subtle); }

/* ── 25. UTILITY ──────────────────────────────────── */
.text-center { text-align: center; }
.text-left   { text-align: left; }
.hidden      { display: none; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}
.mt-2  { margin-top: var(--space-2); }
.mt-4  { margin-top: var(--space-4); }
.mt-6  { margin-top: var(--space-6); }
.mt-8  { margin-top: var(--space-8); }
.mb-4  { margin-bottom: var(--space-4); }
.mb-6  { margin-bottom: var(--space-6); }
.mb-8  { margin-bottom: var(--space-8); }

/* ── 26. RESPONSIVE ───────────────────────────────── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .main-nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .process-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
  :root {
    --space-20: 3.5rem;
    --space-24: 4rem;
    --space-32: 5rem;
  }
  .container { padding: 0 var(--space-4); }
  .section { padding: var(--space-12) 0; }
  .section-header { margin-bottom: var(--space-10); }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .process-steps { grid-template-columns: 1fr; }

  /* Hero — mobilde tek sütun */
  .hero { padding: 50px 0; min-height: auto; }
  .grid-hero {
    display: flex;
    flex-direction: column;
    gap: var(--space-10);
  }
  .hero-visual { display: none; }
  .hero-stats { gap: var(--space-5); flex-wrap: wrap; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  /* Kocaeli rehberi & ölçü rehberi grid — mobil tek sütun */
  .grid-2col {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .trust-bar-inner { gap: var(--space-5); }
  .trust-divider { display: none; }
  .float-cta { bottom: var(--space-4); right: var(--space-4); }
  .float-btn { width: 48px; height: 48px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .header-contact { display: none; }
  .process-step { flex-direction: column; gap: var(--space-4); }
  .step-num { width: 44px; height: 44px; font-size: var(--text-lg); }
}

@media (max-width: 480px) {
  .district-grid { grid-template-columns: repeat(2, 1fr); }
  .product-tab-nav { gap: var(--space-1); }
  .tab-btn { font-size: var(--text-xs); padding: 0 var(--space-3); height: 36px; }
  .table-styled thead th, .table-styled tbody td { padding: var(--space-3) var(--space-4); }
  .hero-stats { flex-direction: column; gap: var(--space-4); }
}

/* ── 27. RESPONSIVE GRID HELPERS ─────────────────── */
.grid-2col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-10);
  align-items: start;
}
.grid-2col > * {
  min-width: 0;
}
.grid-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}
@media (max-width: 768px) {
  .grid-hero { grid-template-columns: 1fr; gap: var(--space-8); }
}

/* ── 27b. MOBILE NAV ─────────────────────────────── */
.mobile-nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.55);
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
  z-index: var(--z-mobile-backdrop);
}
.mobile-nav-backdrop.is-active {
  opacity: 1;
  pointer-events: auto;
}
.mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(320px, 80%);
  background: var(--color-white);
  box-shadow: -16px 0 40px rgba(15,23,42,.2);
  z-index: var(--z-mobile-nav);
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
  padding: var(--space-8);
  gap: var(--space-6);
}
.mobile-nav.is-active {
  transform: translateX(0);
}
.mobile-nav-heading {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-secondary);
}
.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.mobile-nav-link {
  font-size: var(--text-base);
  color: var(--color-gray-700);
  font-weight: var(--font-medium);
  text-decoration: none;
}
.mobile-nav-actions {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* ── 28. PRINT ────────────────────────────────────── */
@media print {
  .site-header, .float-cta, .announce-bar { display: none; }
  .hero { min-height: auto; padding: 2rem 0; }
}

/* ── 28. FOCUS VISIBLE ────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}