/* ============================================================
   STYLE.CSS — Ana Stil Dosyası
   Cam Giydirme / Reklam Kaplama Kurumsal Site
   Modern, Premium, Kurumsal Tasarım
   ============================================================ */

/* ────────────────────────────────────────────────────────────
   1. CSS CUSTOM PROPERTIES (Design Tokens)
──────────────────────────────────────────────────────────── */
:root {
  /* Renkler */
  --color-primary:       #0a0a1e;
  --color-primary-light: #12122e;
  --color-primary-mid:   #1a1a3e;
  --color-accent:        #e63946;
  --color-accent-dark:   #c1121f;
  --color-accent-light:  #ff6b7a;
  --color-blue:          #457b9d;
  --color-blue-light:    #6aa3c5;
  --color-blue-dark:     #2d5f7a;

  /* Nötr Renkler */
  --color-white:         #ffffff;
  --color-off-white:     #f8f9fc;
  --color-gray-50:       #f5f6fa;
  --color-gray-100:      #eef0f6;
  --color-gray-200:      #dde1ee;
  --color-gray-300:      #c4cad9;
  --color-gray-400:      #9aa3b8;
  --color-gray-500:      #6b748a;
  --color-gray-600:      #4a5168;
  --color-gray-700:      #343a50;
  --color-gray-800:      #21263a;
  --color-gray-900:      #141824;
  --color-black:         #0a0c14;

  /* Semantik Renkler */
  --color-text:          #1e2235;
  --color-text-light:    #4a5168;
  --color-text-muted:    #6b748a;
  --color-text-inverse:  #ffffff;
  --color-border:        #e2e6f0;
  --color-border-dark:   rgba(255,255,255,0.10);
  --color-bg:            #ffffff;
  --color-bg-alt:        #f5f6fa;
  --color-bg-dark:       #0a0a1e;

  /* Gölgeler */
  --shadow-xs:    0 1px 3px rgba(10,10,30,0.06);
  --shadow-sm:    0 2px 8px rgba(10,10,30,0.08);
  --shadow-md:    0 4px 20px rgba(10,10,30,0.10);
  --shadow-lg:    0 8px 40px rgba(10,10,30,0.14);
  --shadow-xl:    0 20px 60px rgba(10,10,30,0.18);
  --shadow-2xl:   0 30px 80px rgba(10,10,30,0.24);
  --shadow-accent: 0 8px 30px rgba(230,57,70,0.30);
  --shadow-blue:   0 8px 30px rgba(69,123,157,0.25);

  /* Gradyanlar */
  --gradient-primary:  linear-gradient(135deg, #0a0a1e 0%, #1a1a3e 100%);
  --gradient-accent:   linear-gradient(135deg, #e63946 0%, #c1121f 100%);
  --gradient-blue:     linear-gradient(135deg, #457b9d 0%, #2d5f7a 100%);
  --gradient-hero:     linear-gradient(135deg, rgba(10,10,30,0.95) 0%, rgba(26,26,62,0.85) 100%);
  --gradient-card:     linear-gradient(180deg, rgba(10,10,30,0) 0%, rgba(10,10,30,0.85) 100%);
  --gradient-shimmer:  linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);

  /* Typography */
  --font-primary:   'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-display:   'Inter', system-ui, sans-serif;

  /* Font Sizes (fluid) */
  --text-xs:    0.75rem;
  --text-sm:    0.875rem;
  --text-base:  1rem;
  --text-md:    1.0625rem;
  --text-lg:    1.125rem;
  --text-xl:    1.25rem;
  --text-2xl:   1.5rem;
  --text-3xl:   1.875rem;
  --text-4xl:   2.25rem;
  --text-5xl:   3rem;
  --text-6xl:   3.75rem;
  --text-7xl:   4.5rem;

  /* Spacing */
  --space-1:   0.25rem;
  --space-2:   0.5rem;
  --space-3:   0.75rem;
  --space-4:   1rem;
  --space-5:   1.25rem;
  --space-6:   1.5rem;
  --space-8:   2rem;
  --space-10:  2.5rem;
  --space-12:  3rem;
  --space-16:  4rem;
  --space-20:  5rem;
  --space-24:  6rem;
  --space-32:  8rem;

  /* Border Radius */
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --radius-2xl:  32px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast:   all 0.15s ease;
  --transition-base:   all 0.25s ease;
  --transition-slow:   all 0.40s ease;
  --transition-spring: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --container-sm:   640px;
  --container-md:   768px;
  --container-lg:   1024px;
  --container-xl:   1280px;
  --container-2xl:  1400px;

  /* Header */
  --header-height:        80px;
  --header-height-scroll: 64px;
}

/* ────────────────────────────────────────────────────────────
   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-primary);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

img {
  height: auto;
  object-fit: cover;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-base);
}

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

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

p {
  line-height: 1.75;
  color: var(--color-text-light);
}

::selection {
  background: var(--color-accent);
  color: white;
}

/* ────────────────────────────────────────────────────────────
   3. LAYOUT — Container & Grid
──────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.container--sm  { max-width: var(--container-sm); }
.container--md  { max-width: var(--container-md); }
.container--lg  { max-width: var(--container-lg); }
.container--2xl { max-width: var(--container-2xl); }

.grid {
  display: grid;
  gap: var(--space-8);
}

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

.flex          { display: flex; }
.flex-center   { display: flex; align-items: center; justify-content: center; }
.flex-between  { display: flex; align-items: center; justify-content: space-between; }

/* ────────────────────────────────────────────────────────────
   4. TYPOGRAPHY
──────────────────────────────────────────────────────────── */
.section-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 16px;
  background: rgba(230,57,70,0.08);
  border: 1px solid rgba(230,57,70,0.20);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.section-badge--blue {
  background: rgba(69,123,157,0.08);
  border-color: rgba(69,123,157,0.20);
  color: var(--color-blue);
}

.section-badge--white {
  background: rgba(255,255,255,0.10);
  border-color: rgba(255,255,255,0.20);
  color: rgba(255,255,255,0.85);
}

.section-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.section-title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--color-text);
}

.section-title--white { color: var(--color-white); }

.section-title span {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 600px;
}

.section-subtitle--white {
  color: rgba(255,255,255,0.65);
}

.section-header {
  margin-bottom: var(--space-16);
}

.section-header--center {
  text-align: center;
}

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

/* ────────────────────────────────────────────────────────────
   5. SECTION SPACING
──────────────────────────────────────────────────────────── */
.section {
  padding-block: var(--space-10);
}

.section--sm   { padding-block: var(--space-16); }
.section--lg   { padding-block: var(--space-32); }
.section--dark {
  background: var(--gradient-primary);
  color: var(--color-white);
}
.section--alt  { background: var(--color-gray-50); }
.section--alt2 { background: var(--color-gray-100); }

/* ────────────────────────────────────────────────────────────
   6. HEADER & NAVİGASYON
──────────────────────────────────────────────────────────── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: var(--transition-slow);
}

.header--transparent {
  background: transparent;
}

.header--scrolled {
  height: var(--header-height-scroll);
  background: rgba(10, 10, 30, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

/* Logo */
.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.header__logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  transition: var(--transition-base);
}

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

.header__logo-name {
  font-size: var(--text-lg);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-white);
  line-height: 1.1;
}

.header__logo-tagline {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.50);
}

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

.nav__link {
  position: relative;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.80);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
  white-space: nowrap;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  transition: var(--transition-base);
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-white);
  background: rgba(255,255,255,0.08);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 20px;
}

/* Header CTA */
.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);
  color: rgba(255,255,255,0.80);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: var(--transition-base);
}

.header__phone:hover {
  color: var(--color-white);
}

.header__phone svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Mobil menü butonu */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 5px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  cursor: pointer;
  transition: var(--transition-base);
}

.nav-toggle:hover {
  background: rgba(255,255,255,0.14);
}

.nav-toggle__line {
  display: block;
  width: 20px;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: var(--transition-base);
}

.nav-toggle.is-active .nav-toggle__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.is-active .nav-toggle__line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-toggle.is-active .nav-toggle__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ────────────────────────────────────────────────────────────
   7. HERO SLIDER
──────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  background: var(--color-primary);
  display: flex;
  flex-direction: column;
}

.hero__slides {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
  display: flex;
  flex-direction: column;
}

.hero__slide.is-active {
  opacity: 1;
}

.hero__slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  transition: transform 8s ease;
}

.hero__slide.is-active .hero__slide-bg {
  transform: scale(1);
}

.hero__slide-overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
}

.hero__slide-content {
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: calc(var(--header-height) + var(--space-8));
  padding-bottom: calc(80px + var(--space-16));
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 16px;
  background: rgba(230,57,70,0.15);
  border: 1px solid rgba(230,57,70,0.35);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.90);
  margin-bottom: var(--space-5);
  width: fit-content;
}

.hero__badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: heroBadgePulse 2s ease-in-out infinite;
}

@keyframes heroBadgePulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.8); }
}

.hero__title {
  font-size: clamp(2.2rem, 5.5vw, 4.5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.1;
  color: var(--color-white);
  max-width: 1200px;
  margin-bottom: var(--space-6);
}

.hero__title span {
  background: linear-gradient(135deg, #e63946, #ff6b7a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__desc {
  font-size: clamp(var(--text-base), 2vw, var(--text-lg));
  color: rgba(255,255,255,0.70);
  line-height: 1.7;
  max-width: 600px;
  margin-bottom: var(--space-10);
}

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

/* Hero Stats Bar */
.hero__stats {
  position: relative;
  z-index: 3;
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: auto;
}

.hero__stats-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  divide-x: 1px solid rgba(255,255,255,0.08);
}

.hero__stat {
  padding: var(--space-5) var(--space-6);
  text-align: center;
  border-right: 1px solid rgba(255,255,255,0.08);
}

.hero__stat:last-child { border-right: none; }

.hero__stat-number {
  display: block;
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1;
  margin-bottom: 4px;
  font-variant-numeric: tabular-nums;
}

.hero__stat-number span {
  color: var(--color-accent);
}

.hero__stat-label {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.50);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}

/* Hero Navigation */
.hero__nav {
  position: absolute;
  bottom: 100px;
  right: 0;
  z-index: 4;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-right: var(--space-8);
}

.hero__nav-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.30);
  cursor: pointer;
  transition: var(--transition-base);
  border: none;
}

.hero__nav-dot.is-active {
  background: var(--color-accent);
  height: 24px;
  border-radius: 4px;
}

.hero__nav-dot:hover {
  background: rgba(255,255,255,0.60);
}

/* Hero Arrows */
.hero__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 4;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-base);
  backdrop-filter: blur(10px);
}

.hero__arrow:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateY(-50%) scale(1.05);
}

.hero__arrow svg {
  width: 20px;
  height: 20px;
}

.hero__arrow--prev { left: var(--space-8); }
.hero__arrow--next { right: var(--space-8); }

/* ────────────────────────────────────────────────────────────
   8. BUTONLAR
──────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition-spring);
  white-space: nowrap;
  user-select: none;
  -webkit-user-select: none;
}

.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

.btn:hover svg {
  transform: translateX(3px);
}

/* Primary */
.btn--primary {
  background: var(--gradient-accent);
  color: white;
  box-shadow: var(--shadow-accent);
  border-color: transparent;
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(230,57,70,0.45);
}

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

/* Secondary */
.btn--secondary {
  background: transparent;
  color: white;
  border-color: rgba(255,255,255,0.30);
  backdrop-filter: blur(10px);
}

.btn--secondary:hover {
  background: rgba(255,255,255,0.10);
  border-color: rgba(255,255,255,0.60);
  transform: translateY(-2px);
}

/* Dark */
.btn--dark {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.btn--dark:hover {
  background: var(--color-primary-mid);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Outline */
.btn--outline {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn--outline:hover {
  background: var(--color-accent);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent);
}

/* Ghost */
.btn--ghost {
  background: var(--color-gray-100);
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn--ghost:hover {
  background: var(--color-gray-200);
  transform: translateY(-2px);
}

/* Sizes */
.btn--sm {
  padding: 10px 20px;
  font-size: var(--text-xs);
}

.btn--lg {
  padding: 16px 36px;
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

.btn--xl {
  padding: 18px 42px;
  font-size: var(--text-md);
  border-radius: var(--radius-lg);
}

/* Full width */
.btn--full { width: 100%; }

/* Icon only */
.btn--icon {
  padding: 12px;
  width: 44px;
  height: 44px;
}

/* ────────────────────────────────────────────────────────────
   9. KARTLAR
──────────────────────────────────────────────────────────── */

/* Hizmet Kartı */
.service-card {
  position: relative;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition-slow);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(230,57,70,0.15);
}

.service-card__image {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--color-gray-100);
}

.service-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.service-card:hover .service-card__image img {
  transform: scale(1.06);
}

.service-card__icon-wrap {
  position: absolute;
  bottom: -20px;
  left: var(--space-6);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-accent);
  color: white;
  font-size: var(--text-xl);
  z-index: 2;
  border: 3px solid white;
}

.service-card__body {
  padding: var(--space-8) var(--space-6) var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.service-card__title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  transition: var(--transition-base);
}

.service-card:hover .service-card__title {
  color: var(--color-accent);
}

.service-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  flex: 1;
  margin-bottom: var(--space-5);
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  transition: var(--transition-base);
}

.service-card__link svg {
  width: 14px;
  height: 14px;
  transition: transform 0.25s ease;
}

.service-card:hover .service-card__link svg {
  transform: translateX(4px);
}

/* Proje Kartı */
.project-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
}

.project-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.project-card:hover .project-card__img {
  transform: scale(1.08);
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-card);
  opacity: 0;
  transition: var(--transition-slow);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-6);
}

.project-card:hover .project-card__overlay {
  opacity: 1;
}

.project-card__category {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: var(--space-2);
}

.project-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: white;
  line-height: 1.3;
}

/* Referans Logosu */
.reference-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5) var(--space-6);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
  height: 80px;
}

.reference-item:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.reference-item img {
  max-height: 40px;
  max-width: 120px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.60;
  transition: var(--transition-base);
}

.reference-item:hover img {
  filter: grayscale(0);
  opacity: 1;
}

/* ────────────────────────────────────────────────────────────
   10. HAKKIMIZDA / NEDEN BİZ BLOĞU
──────────────────────────────────────────────────────────── */
.about-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-20);
  align-items: center;
}

.about-section__visual {
  position: relative;
}

.about-section__img-main {
  width: 100%;
  border-radius: var(--radius-2xl);
  aspect-ratio: 4/5;
  object-fit: cover;
  box-shadow: var(--shadow-2xl);
}

.about-section__img-badge {
  position: absolute;
  bottom: var(--space-8);
  left: calc(-1 * var(--space-10));
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-5) var(--space-6);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  min-width: 200px;
}

.about-section__img-badge-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--text-xl);
  flex-shrink: 0;
}

.about-section__img-badge-number {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
}

.about-section__img-badge-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
}

/* Feature listesi */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: var(--color-gray-50);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
}

.feature-item:hover {
  background: white;
  box-shadow: var(--shadow-md);
  border-color: rgba(230,57,70,0.15);
  transform: translateX(4px);
}

.feature-item__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(230,57,70,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
  font-size: var(--text-lg);
}

.feature-item__title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 2px;
}

.feature-item__desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ────────────────────────────────────────────────────────────
   11. İSTATİSTİK SAYAÇLARI
──────────────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-border-dark);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.stat-item {
  padding: var(--space-10) var(--space-8);
  text-align: center;
  background: rgba(255,255,255,0.04);
  transition: var(--transition-base);
}

.stat-item:hover {
  background: rgba(255,255,255,0.08);
}

.stat-item__number {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: var(--space-2);
  background: linear-gradient(135deg, white, rgba(255,255,255,0.70));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-variant-numeric: tabular-nums;
}

.stat-item__number span {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-item__label {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.55);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ────────────────────────────────────────────────────────────
   12. CTA BANDI
──────────────────────────────────────────────────────────── */
.cta-band {
  position: relative;
  overflow: hidden;
  background: var(--gradient-primary);
  border-radius: var(--radius-2xl);
  padding: var(--space-16) var(--space-12);
}

.cta-band::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(230,57,70,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-band::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(69,123,157,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.cta-band__inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.cta-band__title {
  font-size: clamp(var(--text-2xl), 3.5vw, var(--text-4xl));
  font-weight: 800;
  color: white;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.cta-band__subtitle {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.60);
  margin-top: var(--space-2);
  max-width: 480px;
}

.cta-band__actions {
  display: flex;
  gap: var(--space-3);
  flex-shrink: 0;
  flex-wrap: wrap;
}

/* ────────────────────────────────────────────────────────────
   13. SSS (Accordion)
──────────────────────────────────────────────────────────── */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 800px;
  margin-inline: auto;
}

.faq-item {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-base);
}

.faq-item:hover {
  border-color: rgba(230,57,70,0.20);
  box-shadow: var(--shadow-sm);
}

.faq-item.is-open {
  border-color: rgba(230,57,70,0.25);
  box-shadow: var(--shadow-md);
}

.faq-item__question {
  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: 600;
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  gap: var(--space-4);
  background: none;
  border: none;
  font-family: inherit;
  transition: var(--transition-base);
}

.faq-item__question:hover {
  color: var(--color-accent);
}

.faq-item.is-open .faq-item__question {
  color: var(--color-accent);
}

.faq-item__icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background: var(--color-gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition-base);
  color: var(--color-text-muted);
}

.faq-item.is-open .faq-item__icon {
  background: var(--color-accent);
  color: white;
  transform: rotate(45deg);
}

.faq-item__icon svg {
  width: 14px;
  height: 14px;
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-item.is-open .faq-item__answer {
  max-height: 500px;
}

.faq-item__answer-inner {
  padding: 0 var(--space-6) var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.75;
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-4);
}

/* ────────────────────────────────────────────────────────────
   14. İLETİŞİM FORMU
──────────────────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-16);
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--color-gray-50);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
}

.contact-info-item:hover {
  background: white;
  box-shadow: var(--shadow-md);
  border-color: rgba(230,57,70,0.15);
}

.contact-info-item__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.contact-info-item__icon svg {
  width: 20px;
  height: 20px;
}

.contact-info-item__label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 3px;
}

.contact-info-item__value {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.5;
}

.contact-info-item__value a {
  color: inherit;
  transition: var(--transition-base);
}

.contact-info-item__value a:hover {
  color: var(--color-accent);
}

/* Form */
.contact-form {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form-label span {
  color: var(--color-accent);
}

.form-control {
  display: block;
  width: 100%;
  padding: 13px 16px;
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  color: var(--color-text);
  background: var(--color-gray-50);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

.form-control:hover {
  border-color: var(--color-gray-300);
  background: white;
}

.form-control:focus {
  background: white;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(230,57,70,0.10);
}

.form-control::placeholder {
  color: var(--color-gray-400);
}

textarea.form-control {
  resize: vertical;
  min-height: 130px;
}

select.form-control {
  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='%236b748a' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}

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

.form-control.is-error {
  border-color: var(--color-accent);
  background: rgba(230,57,70,0.03);
}

.form-error {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-accent);
  margin-top: var(--space-1);
  font-weight: 500;
}

/* ────────────────────────────────────────────────────────────
   15. FOOTER
──────────────────────────────────────────────────────────── */
.footer {
  background: var(--color-black);
  color: rgba(255,255,255,0.70);
  padding-top: var(--space-20);
}

.footer__top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: var(--space-12);
  padding-bottom: var(--space-16);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer__brand-logo {
  max-height: 40px;
  filter: brightness(0) invert(1);
  opacity: 0.90;
  margin-bottom: var(--space-4);
}

.footer__brand-name {
  font-size: var(--text-xl);
  font-weight: 800;
  color: white;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.footer__brand-desc {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.45);
  line-height: 1.75;
  max-width: 280px;
  margin-bottom: var(--space-6);
}

.footer__social {
  display: flex;
  gap: var(--space-2);
}

.footer__social-link {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.50);
  font-size: var(--text-sm);
  transition: var(--transition-base);
}

.footer__social-link:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
  transform: translateY(-2px);
}

.footer__col-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: white;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  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(255,255,255,0.45);
  transition: var(--transition-base);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer__link:hover {
  color: white;
  transform: translateX(4px);
}

.footer__link::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
  opacity: 0;
  transition: var(--transition-base);
}

.footer__link:hover::before {
  opacity: 1;
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.45);
  margin-bottom: var(--space-3);
  transition: var(--transition-base);
}

.footer__contact-item svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-accent);
}

.footer__contact-item a {
  color: inherit;
  transition: var(--transition-base);
}

.footer__contact-item a:hover {
  color: white;
}

/* Footer Bottom */
.footer__bottom {
  padding: var(--space-6) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer__copyright {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.30);
}

.footer__bottom-links {
  display: flex;
  gap: var(--space-6);
}

.footer__bottom-link {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.30);
  transition: var(--transition-base);
}

.footer__bottom-link:hover {
  color: rgba(255,255,255,0.70);
}

/* ────────────────────────────────────────────────────────────
   16. WHATSAPP BUTONU
──────────────────────────────────────────────────────────── */
.whatsapp-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  background: #25d366;
  color: white;
  border-radius: var(--radius-full);
  box-shadow: 0 8px 30px rgba(37,211,102,0.45);
  text-decoration: none;
  transition: var(--transition-base);
  flex-shrink: 0;
}

.whatsapp-btn:hover {
  background: #20ba5a;
  box-shadow: 0 12px 40px rgba(37,211,102,0.60);
  transform: translateY(-3px) scale(1.05);
}
.whatsapp-btn svg {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}
.whatsapp-btn__text {
  display: none;
}

.whatsapp-btn:hover .whatsapp-btn__text {
  max-width: 200px;
  opacity: 1;
}

/* ────────────────────────────────────────────────────────────
   17. BREADCRUMB
──────────────────────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.55);
}

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

.breadcrumb__item a {
  color: rgba(255,255,255,0.55);
  transition: var(--transition-base);
}

.breadcrumb__item a:hover {
  color: white;
}

.breadcrumb__separator {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(255,255,255,0.25);
}

.breadcrumb__item--active {
  color: white;
  font-weight: 500;
}

/* ────────────────────────────────────────────────────────────
   18. PAGE HERO (İç sayfalar)
──────────────────────────────────────────────────────────── */
.page-hero {
  position: relative;
  padding: 140px 0 80px;
  background: var(--gradient-primary);
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
	radial-gradient(ellipse at 20% 50%, rgba(69,123,157,0.15) 0%, transparent 55%),
	radial-gradient(ellipse at 80% 30%, rgba(230,57,70,0.10) 0%, transparent 50%);
  pointer-events: none;
}

.page-hero__content {
  position: relative;
  z-index: 1;
}

.page-hero__title {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-6xl));
  font-weight: 900;
  color: white;
  letter-spacing: -0.04em;
  margin-bottom: var(--space-4);
  margin-top: var(--space-4);
}

.page-hero__desc {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
}

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

.gallery-item {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.06);
}

.gallery-item__overlay {
  position: absolute;
  inset: 0;
  background: rgba(10,10,30,0.50);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-base);
  color: white;
}

.gallery-item:hover .gallery-item__overlay {
  opacity: 1;
}

.gallery-item__overlay svg {
  width: 32px;
  height: 32px;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lightbox.is-open {
  opacity: 1;
  pointer-events: all;
}

.lightbox__img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-2xl);
}

.lightbox__close {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.20);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-base);
}

.lightbox__close:hover {
  background: var(--color-accent);
}

.lightbox__close svg {
  width: 18px;
  height: 18px;
}

/* ────────────────────────────────────────────────────────────
   20. FLASH MESAJLAR
──────────────────────────────────────────────────────────── */
.flash-messages {
  position: fixed;
  top: calc(var(--header-height) + var(--space-4));
  right: var(--space-6);
  z-index: 1100;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 400px;
  width: 100%;
}

.flash {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  animation: flashIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  backdrop-filter: blur(10px);
}

@keyframes flashIn {
  from { opacity: 0; transform: translateX(30px) scale(0.95); }
  to   { opacity: 1; transform: translateX(0) scale(1); }
}

.flash--success {
  background: rgba(16,185,129,0.95);
  border: 1px solid rgba(16,185,129,0.30);
  color: white;
}

.flash--error {
  background: rgba(230,57,70,0.95);
  border: 1px solid rgba(230,57,70,0.30);
  color: white;
}

.flash--warning {
  background: rgba(245,158,11,0.95);
  border: 1px solid rgba(245,158,11,0.30);
  color: white;
}

.flash--info {
  background: rgba(69,123,157,0.95);
  border: 1px solid rgba(69,123,157,0.30);
  color: white;
}

.flash__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 1px;
}

.flash__text {
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.5;
  flex: 1;
}

.flash__close {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.70;
  cursor: pointer;
  flex-shrink: 0;
  transition: var(--transition-base);
  background: none;
  border: none;
  color: inherit;
}

.flash__close:hover { opacity: 1; }
.flash__close svg { width: 14px; height: 14px; }

/* ────────────────────────────────────────────────────────────
   21. PAGINATION
──────────────────────────────────────────────────────────── */
.pagination {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-12);
}

.pagination__list {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  justify-content: center;
}

.pagination__link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-light);
  background: var(--color-gray-100);
  border: 1px solid var(--color-border);
  transition: var(--transition-base);
  text-decoration: none;
}

.pagination__link:hover {
  background: var(--color-gray-200);
  color: var(--color-text);
  border-color: var(--color-gray-300);
}

.pagination__link--active {
  background: var(--gradient-accent);
  color: white;
  border-color: transparent;
  box-shadow: var(--shadow-accent);
}

.pagination__link--active:hover {
  background: var(--gradient-accent);
  color: white;
}

.pagination__info {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ────────────────────────────────────────────────────────────
   22. SCROLL TO TOP
──────────────────────────────────────────────────────────── */
.scroll-top {
  position: fixed;
  bottom: 92px;
  right: 28px;
  z-index: 9998;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  border: 1px solid rgba(255,255,255,0.12);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(10px);
  transition: var(--transition-base);
  box-shadow: var(--shadow-lg);
}

.scroll-top.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.scroll-top:hover {
  background: var(--color-accent);
  transform: translateY(-2px);
}

.scroll-top svg {
  width: 18px;
  height: 18px;
}

/* ────────────────────────────────────────────────────────────
   23. OVERLAY & MODAL
──────────────────────────────────────────────────────────── */
.overlay {
  position: fixed;
  inset: 0;
  z-index: 900;
  background: rgba(0,0,0,0.50);
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.overlay.is-active {
  opacity: 1;
  pointer-events: all;
}

/* ────────────────────────────────────────────────────────────
   24. YÜKLEME ANİMASYONLARI
──────────────────────────────────────────────────────────── */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-animate="fade-left"] {
  transform: translateX(-30px);
}
[data-animate="fade-left"].is-visible {
  transform: translateX(0);
}

[data-animate="fade-right"] {
  transform: translateX(30px);
}
[data-animate="fade-right"].is-visible {
  transform: translateX(0);
}

[data-animate="scale"] {
  transform: scale(0.95);
}
[data-animate="scale"].is-visible {
  transform: scale(1);
}

/* Gecikme sınıfları */
.delay-1 { transition-delay: 0.1s !important; }
.delay-2 { transition-delay: 0.2s !important; }
.delay-3 { transition-delay: 0.3s !important; }
.delay-4 { transition-delay: 0.4s !important; }
.delay-5 { transition-delay: 0.5s !important; }
.delay-6 { transition-delay: 0.6s !important; }

/* ────────────────────────────────────────────────────────────
   25. YARDIMCI SINIFLAR
──────────────────────────────────────────────────────────── */
.text-center  { text-align: center; }
.text-left    { text-align: left; }
.text-right   { text-align: right; }
.text-accent  { color: var(--color-accent) !important; }
.text-white   { color: white !important; }
.text-muted   { color: var(--color-text-muted) !important; }

.bg-dark      { background: var(--gradient-primary); }
.bg-alt       { background: var(--color-gray-50); }
.bg-white     { background: white; }

.mt-auto      { margin-top: auto; }
.mb-0         { margin-bottom: 0; }

.fw-400       { font-weight: 400; }
.fw-500       { font-weight: 500; }
.fw-600       { font-weight: 600; }
.fw-700       { font-weight: 700; }
.fw-800       { font-weight: 800; }

.hidden       { display: none !important; }
.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 {
  height: 1px;
  background: var(--color-border);
  margin-block: var(--space-8);
}

.divider--dark {
  background: rgba(255,255,255,0.08);
}