/* ============================================================
   SULTANBEYLI PLİSE PERDE — DESIGN SYSTEM
   Token-based, premium, açık zemin
   ============================================================ */

/* ============================================================
   1. DESIGN TOKENS
   ============================================================ */
:root {
  /* Renkler */
  --color-primary:        #83bd81;
  --color-primary-dark:   #6aab68;
  --color-primary-light:  #a8d4a6;
  --color-primary-bg:     #f0f9f0;
  --color-primary-subtle: #e8f5e7;

  --color-secondary:      #404e5e;
  --color-secondary-dark: #2e3a47;
  --color-secondary-light:#5a6a7d;

  --color-neutral-50:  #f9fafb;
  --color-neutral-100: #f3f4f6;
  --color-neutral-200: #e5e7eb;
  --color-neutral-300: #d1d5db;
  --color-neutral-400: #9ca3af;
  --color-neutral-500: #6b7280;
  --color-neutral-600: #4b5563;
  --color-neutral-700: #374151;
  --color-neutral-800: #1f2937;
  --color-neutral-900: #111827;

  --color-white: #ffffff;
  --color-body-bg: #ffffff;

  --color-success: #16a34a;
  --color-warning: #d97706;
  --color-info:    #2563eb;

  /* Tipografi */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
                 Ubuntu, Cantarell, 'Helvetica Neue', Arial, sans-serif;

  --font-size-xs:   0.75rem;   /* 12px */
  --font-size-sm:   0.875rem;  /* 14px */
  --font-size-base: 1rem;      /* 16px */
  --font-size-md:   1.125rem;  /* 18px */
  --font-size-lg:   1.25rem;   /* 20px */
  --font-size-xl:   1.5rem;    /* 24px */
  --font-size-2xl:  1.875rem;  /* 30px */
  --font-size-3xl:  2.25rem;   /* 36px */
  --font-size-4xl:  2.75rem;   /* 44px */
  --font-size-5xl:  3.25rem;   /* 52px */

  --font-weight-regular: 400;
  --font-weight-medium:  500;
  --font-weight-semibold:600;
  --font-weight-bold:    700;
  --font-weight-extrabold:800;

  --line-height-tight:  1.2;
  --line-height-snug:   1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed:1.625;
  --line-height-loose:  1.75;

  --letter-spacing-tight: -0.025em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide:   0.025em;
  --letter-spacing-wider:  0.05em;

  /* Spacing Scale */
  --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-7:  1.75rem;  /* 28px */
  --space-8:  2rem;     /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-14: 3.5rem;   /* 56px */
  --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:  1.25rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs:  0 1px 2px 0 rgba(0,0,0,0.05);
  --shadow-sm:  0 1px 3px 0 rgba(0,0,0,0.08), 0 1px 2px -1px rgba(0,0,0,0.05);
  --shadow-md:  0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg:  0 10px 15px -3px rgba(0,0,0,0.07), 0 4px 6px -4px rgba(0,0,0,0.04);
  --shadow-xl:  0 20px 25px -5px rgba(0,0,0,0.07), 0 8px 10px -6px rgba(0,0,0,0.04);
  --shadow-primary: 0 4px 14px 0 rgba(131,189,129,0.35);

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

  /* Container */
  --container-max:    1466px;
  --container-narrow: 768px;
  --container-px:     var(--space-6);

  /* Z-index */
  --z-sticky: 100;
  --z-modal:  200;
}

/* ============================================================
   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);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-relaxed);
  color: var(--color-neutral-700);
  background-color: var(--color-body-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, video, svg {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

table {
  border-collapse: collapse;
  width: 100%;
}

/* ============================================================
   3. TYPOGRAPHY SCALE
   ============================================================ */
h1, .h1 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-secondary);
}

h2, .h2 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-snug);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-secondary);
}

h3, .h3 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-snug);
  color: var(--color-secondary);
}

h4, .h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-normal);
  color: var(--color-secondary);
}

p {
  margin-bottom: var(--space-4);
  line-height: var(--line-height-relaxed);
}

p:last-child { margin-bottom: 0; }

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

.icon {
  width: 1.25rem;
  height: 1.25rem;
  display: inline-block;
  color: currentColor;
  stroke: currentColor;
  fill: none;
}

.icon--xs { width: 0.75rem; height: 0.75rem; }
.icon--sm { width: 1rem; height: 1rem; }
.icon--md { width: 1.5rem; height: 1.5rem; }
.icon--lg { width: 2rem; height: 2rem; }

.text-xs   { font-size: var(--font-size-xs); }
.text-sm   { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-md   { font-size: var(--font-size-md); }
.text-lg   { font-size: var(--font-size-lg); }
.text-xl   { font-size: var(--font-size-xl); }

.text-primary   { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-muted     { color: var(--color-neutral-500); }
.text-white     { color: var(--color-white); }

.text-center { text-align: center; }
.text-left   { text-align: left; }

/* ============================================================
   4. LAYOUT
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-px);
  padding-right: var(--container-px);
}

.container--narrow {
  max-width: var(--container-narrow);
}

section {
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
}

.section--alt {
  background-color: var(--color-neutral-50);
}

.section--primary-bg {
  background-color: var(--color-primary-subtle);
}

/* Grid */
.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); }

.stack-grid {
  display: grid;
  gap: var(--grid-gap, var(--space-6));
}

.stack-grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.stack-grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stack-grid--split {
  grid-template-columns: 1fr auto;
  align-items: center;
}

/* Flex */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

/* ============================================================
   5. SECTION HEADER
   ============================================================ */
.section-header {
  text-align: center;
  margin-bottom: var(--space-14);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.section-eyebrow {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  color: var(--color-secondary);
  background: #dcebdc;
  border: 1px solid #c2d6c1;
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-4);
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  letter-spacing: var(--letter-spacing-tight);
  line-height: var(--line-height-snug);
  margin-bottom: var(--space-4);
}

.section-desc {
  font-size: var(--font-size-md);
  color: var(--color-neutral-500);
  line-height: var(--line-height-relaxed);
}

/* ============================================================
   6. BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: 48px;
  padding: 0 var(--space-7);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  border-radius: var(--radius-lg);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  white-space: nowrap;
  text-decoration: none;
}

.btn .icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-primary);
}

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px 0 rgba(131,189,129,0.45);
}

.btn--primary:active { transform: translateY(0); }

.btn--secondary {
  background-color: var(--color-secondary);
  color: var(--color-white);
  border-color: var(--color-secondary);
}

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

.btn--outline {
  background-color: transparent;
  color: var(--color-primary-dark);
  border-color: var(--color-primary);
}

.btn--outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-secondary);
  border-color: var(--color-neutral-300);
}

.btn--ghost:hover {
  background-color: var(--color-neutral-100);
  border-color: var(--color-neutral-400);
}

.btn--lg {
  height: 56px;
  padding: 0 var(--space-10);
  font-size: var(--font-size-md);
  border-radius: var(--radius-xl);
}

.btn--sm {
  height: 38px;
  padding: 0 var(--space-5);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-md);
}

.btn--whatsapp {
  background-color: #25D366;
  color: var(--color-white);
  border-color: #25D366;
  box-shadow: 0 4px 14px 0 rgba(37,211,102,0.35);
}

.btn--whatsapp:hover {
  background-color: #1ebe59;
  border-color: #1ebe59;
  transform: translateY(-1px);
}

/* ============================================================
   7. CARDS
   ============================================================ */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-xl);
  padding: var(--space-7);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: var(--color-primary-light);
}

.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 .icon {
  width: 24px;
  height: 24px;
  color: var(--color-primary-dark);
}

.card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  margin-bottom: var(--space-2);
}

.card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-neutral-500);
  line-height: var(--line-height-relaxed);
  margin-bottom: 0;
}

/* ============================================================
   8. NAV / HEADER
   ============================================================ */
.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-neutral-200);
  box-shadow: var(--shadow-xs);
}

.site-header__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  height: 72px;
  gap: var(--space-8);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.site-logo__mark {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-white);
  border: 1px solid var(--color-neutral-200);
  padding: var(--space-1);
}

.site-logo__mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.site-logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.site-logo__name {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
}

.site-logo__sub {
  font-size: var(--font-size-xs);
  color: var(--color-neutral-500);
  font-weight: var(--font-weight-medium);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  justify-self: center;
}

.site-nav a {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-neutral-600);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--color-primary-dark);
  background: var(--color-primary-subtle);
}

.site-header__cta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.header-phone {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.header-phone:hover { color: var(--color-primary-dark); }

.header-phone .icon {
  width: 16px;
  height: 16px;
  color: var(--color-primary);
}

/* Hamburger */
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.nav-toggle:hover { background: var(--color-neutral-100); }

.nav-toggle .icon { width: 22px; height: 22px; color: var(--color-secondary); }

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  top: 64px;
  background: rgba(255,255,255,0.99);
  z-index: calc(var(--z-sticky) - 1);
  padding: var(--space-6);
  flex-direction: column;
  gap: var(--space-2);
  overflow-y: auto;
}

.mobile-menu.is-open { display: flex; }

.mobile-menu a {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-secondary);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  transition: background var(--transition-fast);
  border-bottom: 1px solid var(--color-neutral-100);
}

.mobile-menu a:hover { background: var(--color-primary-subtle); }

/* ============================================================
   9. HERO
   ============================================================ */
.hero {
  background: linear-gradient(135deg, var(--color-primary-subtle) 0%, #ffffff 60%, var(--color-neutral-50) 100%);
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
  overflow: hidden;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(131,189,129,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-wider);
  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-5);
}

.hero__eyebrow .icon { width: 14px; height: 14px; }

.hero__title {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-extrabold);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-secondary);
  margin-bottom: var(--space-5);
}

.hero__title span { color: var(--color-primary-dark); }

.hero__desc {
  font-size: var(--font-size-md);
  color: var(--color-neutral-600);
  line-height: var(--line-height-loose);
  margin-bottom: var(--space-8);
}

.hero__actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

.hero__stats {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-neutral-200);
}

.hero__stat-number {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary-dark);
  line-height: 1;
}

.hero__stat-label {
  font-size: var(--font-size-xs);
  color: var(--color-neutral-500);
  font-weight: var(--font-weight-medium);
  margin-top: var(--space-1);
}

.hero__visual {
  position: relative;
}

.hero__img-wrap {
  background: var(--color-primary-subtle);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-primary-light);
}
.hero__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: var(--space-8);
  background: var(--color-white);
}

.hero__logo {
  filter: drop-shadow(0 12px 40px rgba(64,78,94,0.18));
}

.hero__badge {
  position: absolute;
  bottom: var(--space-5);
  left: calc(-1 * var(--space-8));
  background: var(--color-white);
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-xl);
  padding: var(--space-3) var(--space-5);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.hero__badge .icon {
  width: 32px;
  height: 32px;
  color: var(--color-primary);
}

.hero__badge-text strong {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-secondary);
}

.hero__badge-text span {
  font-size: var(--font-size-xs);
  color: var(--color-neutral-500);
}

/* ============================================================
   10. TRUST BAR
   ============================================================ */
.trust-bar {
  background: var(--color-secondary);
  padding: var(--space-6) 0;
}

.trust-bar__items {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-8);
}

.trust-bar__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: rgba(255,255,255,0.92);
}

.trust-bar__item .icon {
  width: 22px;
  height: 22px;
  color: var(--color-primary-light);
  flex-shrink: 0;
}

.trust-bar__item-text {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

/* ============================================================
   11. GÜVEN ROZETLERİ
   ============================================================ */
.badges-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.badge-card {
  background: var(--color-white);
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  box-shadow: var(--shadow-xs);
  transition: all var(--transition-normal);
}

.badge-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.badge-card__icon {
  width: 56px;
  height: 56px;
  background: var(--color-primary-subtle);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
}

.badge-card__icon .icon {
  width: 28px;
  height: 28px;
  color: var(--color-primary-dark);
}

.badge-card__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  margin-bottom: var(--space-1);
}

.badge-card__sub {
  font-size: var(--font-size-xs);
  color: var(--color-neutral-500);
}

/* ============================================================
   12. ÜRÜN AİLELERİ
   ============================================================ */
.product-tabs {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
  margin-bottom: var(--space-10);
  flex-wrap: wrap;
}

.product-tab {
  height: 44px;
  padding: 0 var(--space-6);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-600);
  background: var(--color-neutral-100);
  border: 2px solid var(--color-neutral-200);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.product-tab:hover,
.product-tab.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-primary);
}

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

.product-family-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
  margin-bottom: var(--space-10);
  padding: var(--space-8);
  background: var(--color-primary-subtle);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--color-primary-light);
}

.product-family-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-secondary);
  margin-bottom: var(--space-3);
}

.product-sublist {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.product-sub-card {
  background: var(--color-white);
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: all var(--transition-normal);
}

.product-sub-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.product-sub-card__name {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.product-sub-card__name .icon {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.product-sub-card__desc {
  font-size: var(--font-size-xs);
  color: var(--color-neutral-500);
  line-height: var(--line-height-relaxed);
  margin-bottom: 0;
}

/* ============================================================
   13. MONTAJ TİPLERİ
   ============================================================ */
.montaj-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.montaj-card {
  background: var(--color-white);
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-xl);
  padding: var(--space-7);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.montaj-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-primary);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.montaj-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: var(--color-primary-light);
}

.montaj-card:hover::before { opacity: 1; }

.montaj-card__num {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary-light);
  line-height: 1;
  margin-bottom: var(--space-3);
}

.montaj-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  margin-bottom: var(--space-2);
}

.montaj-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-neutral-500);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-3);
}

.montaj-card__tag {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary-dark);
  background: var(--color-primary-subtle);
  border-radius: var(--radius-full);
  padding: 2px var(--space-3);
}

/* ============================================================
   14. TABLOLAR
   ============================================================ */
.table-wrap {
  width: 100%;
  max-width: 100%;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-neutral-200);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-8);
  overflow: hidden;
}

.table-scroll {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
  min-width: 720px;
}

.data-table thead {
  background: var(--color-secondary);
}

.data-table thead th {
  padding: var(--space-4) var(--space-5);
  text-align: left;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  color: var(--color-white);
  white-space: nowrap;
}

.data-table thead th:first-child { border-radius: var(--radius-lg) 0 0 0; }
.data-table thead th:last-child  { border-radius: 0 var(--radius-lg) 0 0; }

.data-table tbody tr {
  border-bottom: 1px solid var(--color-neutral-100);
  transition: background var(--transition-fast);
}

.data-table tbody tr:last-child { border-bottom: none; }

.data-table tbody tr:hover {
  background: var(--color-primary-subtle);
}

.data-table tbody td {
  padding: var(--space-4) var(--space-5);
  color: var(--color-neutral-700);
  vertical-align: top;
}

.data-table tbody td:first-child {
  font-weight: var(--font-weight-semibold);
  color: var(--color-secondary);
}

.table-check {
  color: var(--color-success);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-base);
}

.table-cross {
  color: var(--color-neutral-400);
}

.table-partial {
  color: var(--color-warning);
}

.table-highlight {
  background: var(--color-primary-subtle) !important;
  font-weight: var(--font-weight-semibold);
}

/* ============================================================
   15. SSS / ACCORDION
   ============================================================ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item:hover { border-color: var(--color-primary-light); }

.faq-item.open { border-color: var(--color-primary); }

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  cursor: pointer;
  gap: var(--space-4);
  user-select: none;
}

.faq-question-text {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-secondary);
  flex: 1;
}

.faq-icon {
  width: 28px;
  height: 28px;
  background: var(--color-neutral-100);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
  flex-shrink: 0;
}

.faq-icon .icon {
  width: 14px;
  height: 14px;
  color: var(--color-neutral-500);
  transition: transform var(--transition-normal);
}

.faq-item.open .faq-icon {
  background: var(--color-primary);
}

.faq-item.open .faq-icon .icon {
  color: var(--color-white);
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 var(--space-6) var(--space-5);
  font-size: var(--font-size-base);
  color: var(--color-neutral-600);
  line-height: var(--line-height-relaxed);
}

.faq-item.open .faq-answer { display: block; }

/* ============================================================
   16. PROCESS STEPS
   ============================================================ */
.steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: var(--color-neutral-200);
  z-index: 0;
}

.step {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--space-4);
}

.step__num {
  width: 64px;
  height: 64px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-extrabold);
  margin: 0 auto var(--space-4);
  border: 4px solid var(--color-white);
  box-shadow: var(--shadow-md);
}

.step__title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  margin-bottom: var(--space-2);
}

.step__desc {
  font-size: var(--font-size-xs);
  color: var(--color-neutral-500);
  line-height: var(--line-height-relaxed);
}

/* ============================================================
   17. GALERİ
   ============================================================ */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.gallery-item {
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--color-primary-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-primary-light);
  transition: all var(--transition-normal);
  position: relative;
}

.gallery-item:first-child {
  grid-column: span 2;
  grid-row: span 2;
  aspect-ratio: auto;
}

.gallery-item:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-xl);
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.gallery-item figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: var(--space-4) var(--space-5);
  background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.75) 100%);
  color: var(--color-white);
}

.gallery-item figcaption strong {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  display: block;
  margin-bottom: var(--space-1);
}

.gallery-item figcaption span {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.8);
}

/* ============================================================
   18. HİZMET BÖLGELERİ
   ============================================================ */
.bolge-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-3);
}

.bolge-card {
  background: var(--color-white);
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-secondary);
  transition: all var(--transition-normal);
}

.bolge-card:hover {
  background: var(--color-primary-subtle);
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
}

.bolge-card .icon {
  width: 14px;
  height: 14px;
  color: var(--color-primary);
  flex-shrink: 0;
}

/* ============================================================
   19. CTA BANNER
   ============================================================ */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary-subtle) 0%, #ffffff 50%, var(--color-primary-subtle) 100%);
  border: 2px solid var(--color-primary-light);
  border-radius: var(--radius-2xl);
  padding: var(--space-16) var(--space-12);
  text-align: center;
}

.cta-banner__title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-secondary);
  margin-bottom: var(--space-4);
  line-height: var(--line-height-tight);
}

.cta-banner__desc {
  font-size: var(--font-size-md);
  color: var(--color-neutral-600);
  max-width: 560px;
  margin: 0 auto var(--space-8);
  line-height: var(--line-height-relaxed);
}

.cta-banner__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ============================================================
   20. FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-secondary);
  color: rgba(255,255,255,0.85);
  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-10);
}

.footer-brand__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.footer-brand__mark {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-brand__mark .icon {
  width: 22px;
  height: 22px;
  color: white;
}

.footer-brand__name {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
}

.footer-brand__desc {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-5);
  color: rgba(255,255,255,0.7);
}

.footer-contact a {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  margin-bottom: var(--space-2);
  transition: color var(--transition-fast);
}

.footer-contact a:hover { color: var(--color-primary-light); }

.footer-contact a .icon {
  width: 15px;
  height: 15px;
  color: var(--color-primary-light);
  flex-shrink: 0;
}

.footer-col h4 {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
}

.footer-col ul li {
  margin-bottom: var(--space-2);
}

.footer-col ul li a {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-col ul li a:hover { color: var(--color-primary-light); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-bottom p {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.5);
  margin-bottom: 0;
}

/* ============================================================
   21. BADGES / TAGS
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
  padding: 3px var(--space-3);
}

.badge--green {
  background: rgba(131,189,129,0.15);
  color: var(--color-primary-dark);
  border: 1px solid var(--color-primary-light);
}

.badge--blue {
  background: rgba(37,99,235,0.1);
  color: var(--color-info);
  border: 1px solid rgba(37,99,235,0.2);
}

/* ============================================================
   22. PROFIL RENKLERİ
   ============================================================ */
.color-palette {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.color-swatch {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.color-swatch__dot {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-neutral-200);
  box-shadow: var(--shadow-sm);
}

.color-swatch__label {
  font-size: var(--font-size-xs);
  color: var(--color-neutral-500);
  font-weight: var(--font-weight-medium);
}

/* ============================================================
   23. UTILITY
   ============================================================ */
.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); }
.mt-10 { margin-top: var(--space-10); }
.mb-4  { margin-bottom: var(--space-4); }
.mb-6  { margin-bottom: var(--space-6); }
.mb-8  { margin-bottom: var(--space-8); }
.mb-10 { margin-bottom: var(--space-10); }

.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;
}

/* Divider */
.divider {
  height: 1px;
  background: var(--color-neutral-200);
  margin: var(--space-8) 0;
}

/* ============================================================
   24. FLOATING WA BUTTON
   ============================================================ */
.wa-float {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.45);
  z-index: calc(var(--z-sticky) + 10);
  transition: all var(--transition-normal);
  text-decoration: none;
}

.wa-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,0.55);
}

.wa-float .icon {
  width: 28px;
  height: 28px;
  color: white;
}

/* ============================================================
   25. RESPONSIVE — TABLET (≤ 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  :root { --container-px: var(--space-5); }

  h1, .h1 { font-size: var(--font-size-3xl); }
  h2, .h2 { font-size: var(--font-size-2xl); }
  .section-title { font-size: var(--font-size-2xl); }
  .hero__title { font-size: var(--font-size-4xl); }

  .hero__inner { grid-template-columns: 1fr; gap: var(--space-10); }
  .hero__visual { display: none; }
  .hero { text-align: center; }
  .hero__actions { justify-content: center; }
  .hero__stats { justify-content: center; }

  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .badges-grid { grid-template-columns: repeat(3, 1fr); }
  .stack-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stack-grid--split { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr 1fr; }

  .steps { grid-template-columns: repeat(3, 1fr); }
  .steps::before { display: none; }

  .product-family-header { grid-template-columns: 1fr; }
  .product-sublist { grid-template-columns: repeat(2, 1fr); }

  .montaj-grid { grid-template-columns: repeat(2, 1fr); }
  .bolge-grid { grid-template-columns: repeat(3, 1fr); }

  .site-header__inner { grid-template-columns: 1fr auto; row-gap: var(--space-3); }
  .site-logo { justify-self: flex-start; }
  .site-nav { display: none; }
  .nav-toggle { display: flex; }
  .site-header__cta { gap: var(--space-3); justify-self: flex-end; }
  .header-phone span { display: none; }
}

/* ============================================================
   26. RESPONSIVE — MOBILE (≤ 640px)
   ============================================================ */
@media (max-width: 640px) {
  :root {
    --container-px: var(--space-4);
    --font-size-base: 0.9375rem;
  }

  section { padding-top: var(--space-14); padding-bottom: var(--space-14); }

  h1, .h1 { font-size: var(--font-size-2xl); }
  h2, .h2 { font-size: var(--font-size-xl); }
  h3, .h3 { font-size: var(--font-size-lg); }
  .section-title { font-size: var(--font-size-xl); }
  .hero__title { font-size: var(--font-size-3xl); }

  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }

  .badges-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-bar__items { gap: var(--space-5); }
  .hero__stats { flex-wrap: wrap; gap: var(--space-5); }

  .steps { grid-template-columns: 1fr; gap: var(--space-4); }

  .product-sublist { grid-template-columns: 1fr; }
  .montaj-grid { grid-template-columns: 1fr; }
  .bolge-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item:first-child { grid-column: 1; grid-row: 1; }

  .footer-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer-bottom { flex-direction: column; text-align: center; }

  .cta-banner { padding: var(--space-10) var(--space-6); }
  .cta-banner__title { font-size: var(--font-size-xl); }

  .btn--lg { height: 50px; padding: 0 var(--space-7); font-size: var(--font-size-base); }

  .table-wrap { font-size: var(--font-size-xs); }
  .data-table thead th { padding: var(--space-3) var(--space-3); }
  .data-table tbody td { padding: var(--space-3) var(--space-3); }
  .data-table { min-width: 600px; }

  .hero__badge { display: none; }

  .section-header { margin-bottom: var(--space-10); }

  .stack-grid--2,
  .stack-grid--3,
  .stack-grid--split {
    grid-template-columns: 1fr;
  }

  .stack-grid--split {
    gap: var(--space-4);
    justify-items: stretch;
  }

  .site-header__inner {
    flex-wrap: wrap;
    height: auto;
    padding-top: var(--space-3);
    padding-bottom: var(--space-3);
  }

  .site-header__cta {
    width: 100%;
    justify-content: flex-end;
    gap: var(--space-2);
  }

  .site-header__cta .btn--whatsapp {
    display: none;
  }

  .site-header__cta .header-phone {
    font-size: var(--font-size-base);
  }
}

/* ============================================================
   27. PRINT
   ============================================================ */
@media print {
  .site-header, .wa-float, .mobile-menu, .nav-toggle { display: none !important; }
  body { font-size: 12pt; }
  a { text-decoration: underline; }
}