/* ============================================================
   AZB Yazılım — Ana Stil Dosyası
   Minimalist, modern, dark/light mode destekli
   ============================================================ */

/* ─── CSS Değişkenleri (Design Tokens) ─────────────────────── */
:root {
  /* Renkler — Dark Mod (varsayılan) */
  --clr-bg:         #0d0e1a;
  --clr-bg-2:       #131425;
  --clr-bg-3:       #1a1c35;
  --clr-surface:    rgba(255,255,255,0.04);
  --clr-border:     rgba(255,255,255,0.08);
  --clr-text:       #e2e3f0;
  --clr-text-muted: #8b8fa8;
  --clr-text-faint: #55586b;

  /* Marka Renkleri */
  --clr-primary:    #6c63ff;
  --clr-primary-h:  #5a52e8;
  --clr-primary-glow: rgba(108,99,255,0.25);
  --clr-accent:     #00d4aa;
  --clr-accent-2:   #ff6b6b;
  --clr-gradient:   linear-gradient(135deg, #6c63ff 0%, #00d4aa 100%);

  /* Tipografi */
  --font-sans:  'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Inter', sans-serif;
  --fs-xs:    0.75rem;
  --fs-sm:    0.875rem;
  --fs-base:  1rem;
  --fs-lg:    1.125rem;
  --fs-xl:    1.25rem;
  --fs-2xl:   1.5rem;
  --fs-3xl:   1.875rem;
  --fs-4xl:   2.25rem;
  --fs-5xl:   3rem;
  --fs-6xl:   3.75rem;
  --fw-normal:  400;
  --fw-medium:  500;
  --fw-semibold:600;
  --fw-bold:    700;
  --fw-extrabold:800;
  --lh-tight:  1.2;
  --lh-normal: 1.6;
  --lh-relaxed:1.8;

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

  /* Kenarlık Yarıçapı */
  --radius-sm:  0.375rem;
  --radius-md:  0.75rem;
  --radius-lg:  1.25rem;
  --radius-xl:  2rem;
  --radius-full:9999px;

  /* Gölgeler */
  --shadow-sm:  0 1px 3px rgba(0,0,0,.4);
  --shadow-md:  0 4px 24px rgba(0,0,0,.4);
  --shadow-lg:  0 8px 48px rgba(0,0,0,.5);
  --shadow-glow:0 0 40px var(--clr-primary-glow);

  /* Geçişler */
  --transition-fast:  150ms ease;
  --transition-base:  250ms ease;
  --transition-slow:  400ms ease;

  /* Layout */
  --container-max: 1280px;
  --container-pad: clamp(1rem, 4vw, 2rem);
  --header-h:      72px;
  --section-py:    clamp(4rem, 8vw, 7rem);
}

/* Light Mode */
[data-theme="light"] {
  --clr-bg:         #f8f9ff;
  --clr-bg-2:       #ffffff;
  --clr-bg-3:       #eef0ff;
  --clr-surface:    rgba(0,0,0,0.03);
  --clr-border:     rgba(0,0,0,0.08);
  --clr-text:       #1a1c35;
  --clr-text-muted: #5a5d7a;
  --clr-text-faint: #9093a8;
  --shadow-sm:  0 1px 3px rgba(0,0,0,.08);
  --shadow-md:  0 4px 24px rgba(0,0,0,.08);
  --shadow-lg:  0 8px 48px rgba(0,0,0,.1);
}

/* ─── Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  font-weight: var(--fw-normal);
  line-height: var(--lh-normal);
  color: var(--clr-text);
  background-color: var(--clr-bg);
  overflow-x: hidden;
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

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

/* ─── Tipografi ─────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: var(--lh-tight);
  font-weight: var(--fw-bold);
  color: var(--clr-text);
}

h1 { font-size: clamp(var(--fs-3xl), 5vw, var(--fs-6xl)); }
h2 { font-size: clamp(var(--fs-2xl), 3.5vw, var(--fs-4xl)); }
h3 { font-size: clamp(var(--fs-xl), 2.5vw, var(--fs-3xl)); }
h4 { font-size: var(--fs-xl); }
h5 { font-size: var(--fs-lg); }
h6 { font-size: var(--fs-base); }

p { line-height: var(--lh-relaxed); }

/* Gradient metin efekti */
.text-gradient {
  background: var(--clr-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ─── Layout ────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: var(--section-py);
}

.section--alt {
  background: var(--clr-bg-2);
}

/* ─── Header / Navigation ──────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background-color var(--transition-base), backdrop-filter var(--transition-base), box-shadow var(--transition-base);
}

.site-header.scrolled {
  background-color: rgba(13, 14, 26, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--clr-border);
}

[data-theme="light"] .site-header.scrolled {
  background-color: rgba(248, 249, 255, 0.9);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--fs-xl);
  font-weight: var(--fw-extrabold);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.site-logo .logo-mark {
  width: 36px;
  height: 36px;
  background: var(--clr-gradient);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: var(--fs-sm);
  font-weight: var(--fw-extrabold);
}

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

.nav-main a {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--clr-text-muted);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  position: relative;
}

.nav-main a:hover,
.nav-main a.active {
  color: var(--clr-text);
  background: var(--clr-surface);
}

/* Dropdown */
.nav-dropdown {
  position: relative;
}

.nav-dropdown__menu {
  display: none;
  position: absolute;
  top: calc(100% + var(--space-2));
  left: 0;
  min-width: 220px;
  background: var(--clr-bg-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(20px);
}

.nav-dropdown:hover .nav-dropdown__menu {
  display: block;
  animation: fadeDown 0.2s ease;
}

.nav-dropdown__menu a {
  display: block;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  color: var(--clr-text-muted);
  font-size: var(--fs-sm);
}

.nav-dropdown__menu a:hover {
  color: var(--clr-text);
  background: var(--clr-surface);
}

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

/* ─── Butonlar ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.625rem var(--space-6);
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  line-height: 1;
  transition: all var(--transition-base);
  cursor: pointer;
  text-wrap: nowrap;
  border: 1.5px solid transparent;
}

.btn-primary {
  background: var(--clr-primary);
  color: #fff;
  border-color: var(--clr-primary);
}

.btn-primary:hover {
  background: var(--clr-primary-h);
  border-color: var(--clr-primary-h);
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}

.btn-outline {
  background: transparent;
  color: var(--clr-text);
  border-color: var(--clr-border);
}

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

.btn-ghost {
  background: transparent;
  color: var(--clr-text-muted);
  padding-inline: var(--space-3);
}

.btn-ghost:hover {
  color: var(--clr-text);
  background: var(--clr-surface);
}

.btn-sm {
  padding: 0.4rem var(--space-4);
  font-size: var(--fs-xs);
}

.btn-lg {
  padding: 0.875rem var(--space-8);
  font-size: var(--fs-base);
  border-radius: var(--radius-md);
}

/* ─── Kart Bileşeni ─────────────────────────────────────────── */
.card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
  border-color: rgba(108,99,255,0.3);
  box-shadow: var(--shadow-md), 0 0 0 1px rgba(108,99,255,0.1);
  transform: translateY(-4px);
}

/* Glassmorphism kart */
.card-glass {
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
}

/* ─── HERO BÖLÜMÜ ───────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--header-h);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* Animasyonlu arka plan mesh gradient */
.hero__mesh {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 20% 50%, rgba(108,99,255,0.15) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 80% 20%, rgba(0,212,170,0.1) 0%, transparent 70%),
    radial-gradient(ellipse 30% 30% at 70% 80%, rgba(255,107,107,0.08) 0%, transparent 70%);
  animation: meshFloat 8s ease-in-out infinite alternate;
}

/* Grid desen arka planı */
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(108,99,255,0.1);
  border: 1px solid rgba(108,99,255,0.25);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  color: var(--clr-primary);
  margin-bottom: var(--space-6);
  animation: fadeUp 0.6s ease 0.1s both;
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  background: var(--clr-accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: var(--fw-extrabold);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--space-6);
  animation: fadeUp 0.6s ease 0.2s both;
}

.hero__subtitle {
  font-size: clamp(var(--fs-base), 2vw, var(--fs-xl));
  color: var(--clr-text-muted);
  max-width: 600px;
  margin-bottom: var(--space-10);
  line-height: var(--lh-relaxed);
  animation: fadeUp 0.6s ease 0.3s both;
}

.hero__actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-16);
  animation: fadeUp 0.6s ease 0.4s both;
}

.hero__metrics {
  display: flex;
  gap: var(--space-8);
  flex-wrap: wrap;
  animation: fadeUp 0.6s ease 0.5s both;
}

.hero__metric {
  display: flex;
  flex-direction: column;
}

.hero__metric-value {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-extrabold);
  color: var(--clr-text);
  line-height: 1;
}

.hero__metric-label {
  font-size: var(--fs-xs);
  color: var(--clr-text-faint);
  margin-top: var(--space-1);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Hero scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--clr-text-faint);
  font-size: var(--fs-xs);
  animation: fadeIn 1s ease 1s both;
}

.hero__scroll-line {
  width: 1.5px;
  height: 48px;
  background: linear-gradient(to bottom, var(--clr-primary), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

/* ─── Bölüm Başlığı ─────────────────────────────────────────── */
.section-header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--clr-primary);
  margin-bottom: var(--space-4);
}

.section-label::before {
  content: '';
  width: 20px;
  height: 1.5px;
  background: var(--clr-primary);
}

.section-title {
  margin-bottom: var(--space-4);
}

.section-desc {
  color: var(--clr-text-muted);
  font-size: var(--fs-lg);
}

/* ─── Hizmetler Grid ────────────────────────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-6);
}

.service-card {
  display: block;
  padding: var(--space-8);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--clr-gradient);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.service-card:hover {
  border-color: rgba(108,99,255,0.25);
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

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

.service-card__icon {
  width: 48px;
  height: 48px;
  background: rgba(108,99,255,0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-xl);
  margin-bottom: var(--space-6);
  transition: background var(--transition-base);
}

.service-card:hover .service-card__icon {
  background: rgba(108,99,255,0.2);
}

.service-card__title {
  font-size: var(--fs-xl);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-3);
}

.service-card__desc {
  color: var(--clr-text-muted);
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-6);
}

.service-card__arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--clr-primary);
  transition: gap var(--transition-fast);
}

.service-card:hover .service-card__arrow {
  gap: var(--space-3);
}

/* ─── Tech Stack ────────────────────────────────────────────── */
.tech-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
}

.tech-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
}

.tech-item:hover {
  border-color: var(--clr-primary);
  background: rgba(108,99,255,0.07);
  transform: translateY(-2px);
}

.tech-item img {
  width: 20px;
  height: 20px;
  object-fit: contain;
}

/* ─── Proje Kartları ────────────────────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-6);
}

.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--clr-bg-2);
  border: 1px solid var(--clr-border);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(108,99,255,0.3);
}

.project-card__img {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--clr-bg-3);
}

.project-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-card__img img {
  transform: scale(1.05);
}

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

.project-card__category {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--clr-primary);
  margin-bottom: var(--space-3);
}

.project-card__title {
  font-size: var(--fs-xl);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-3);
  line-height: var(--lh-tight);
}

.project-card__desc {
  color: var(--clr-text-muted);
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-6);
  flex: 1;
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.tag {
  padding: 0.2rem var(--space-3);
  background: rgba(108,99,255,0.1);
  color: var(--clr-primary);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
}

/* ─── İstatistik Sayacı ─────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-6);
}

.stat-card {
  text-align: center;
  padding: var(--space-8);
}

.stat-card__value {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: var(--fw-extrabold);
  line-height: 1;
  background: var(--clr-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--space-3);
}

.stat-card__label {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  font-weight: var(--fw-medium);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ─── Testimonials ──────────────────────────────────────────── */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-6);
}

.testimonial-card {
  padding: var(--space-8);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  position: relative;
}

.testimonial-card__quote {
  font-size: 4rem;
  line-height: 1;
  color: var(--clr-primary);
  opacity: 0.3;
  margin-bottom: var(--space-4);
  font-family: Georgia, serif;
}

.testimonial-card__text {
  color: var(--clr-text-muted);
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-6);
}

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

.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--clr-bg-3);
  flex-shrink: 0;
}

.testimonial-card__name {
  font-weight: var(--fw-semibold);
  font-size: var(--fs-sm);
}

.testimonial-card__title {
  font-size: var(--fs-xs);
  color: var(--clr-text-faint);
  margin-top: 2px;
}

.stars {
  display: flex;
  gap: 2px;
  color: #fbbf24;
  font-size: var(--fs-sm);
  margin-bottom: var(--space-4);
}

/* ─── Clients Marquee ───────────────────────────────────────── */
.clients-track {
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.clients-inner {
  display: flex;
  gap: var(--space-12);
  animation: marquee 20s linear infinite;
  width: max-content;
}

.client-logo {
  opacity: 0.4;
  filter: grayscale(1);
  transition: all var(--transition-base);
  height: 36px;
  width: auto;
  object-fit: contain;
}

.client-logo:hover {
  opacity: 0.8;
  filter: grayscale(0);
}

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

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

.faq-item.open {
  border-color: rgba(108,99,255,0.3);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  cursor: pointer;
  font-weight: var(--fw-medium);
  gap: var(--space-4);
  user-select: none;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--clr-primary);
}

.faq-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  background: var(--clr-surface);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-sm);
  transition: background var(--transition-base), transform var(--transition-base);
}

.faq-item.open .faq-icon {
  background: var(--clr-primary);
  color: #fff;
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 var(--space-6) var(--space-6);
  color: var(--clr-text-muted);
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
}

.faq-item.open .faq-answer {
  display: block;
  animation: fadeDown 0.2s ease;
}

/* ─── CTA Bloğu ─────────────────────────────────────────────── */
.cta-section {
  text-align: center;
  padding-block: var(--space-24);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 50%, rgba(108,99,255,0.12) 0%, transparent 70%);
}

.cta-section .section-title {
  font-size: clamp(var(--fs-3xl), 4vw, var(--fs-5xl));
}

.cta-section__actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

/* ─── Blog Kartları ─────────────────────────────────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-6);
}

.blog-card {
  background: var(--clr-bg-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(108,99,255,0.2);
}

.blog-card__img {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--clr-bg-3);
}

.blog-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.blog-card:hover .blog-card__img img {
  transform: scale(1.05);
}

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

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  font-size: var(--fs-xs);
  color: var(--clr-text-faint);
}

.blog-card__category {
  color: var(--clr-primary);
  font-weight: var(--fw-semibold);
}

.blog-card__title {
  font-size: var(--fs-lg);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-3);
  line-height: var(--lh-tight);
}

.blog-card__excerpt {
  color: var(--clr-text-muted);
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
  flex: 1;
}

/* ─── Breadcrumb ────────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  color: var(--clr-text-faint);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--clr-text-muted);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover { color: var(--clr-primary); }

.breadcrumb__sep {
  color: var(--clr-text-faint);
}

/* ─── Footer ────────────────────────────────────────────────── */
.site-footer {
  background: var(--clr-bg-2);
  border-top: 1px solid var(--clr-border);
  padding-block: var(--space-16) var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-brand p {
  color: var(--clr-text-muted);
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
  margin: var(--space-4) 0 var(--space-6);
}

.social-links {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  width: 36px;
  height: 36px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  font-size: var(--fs-sm);
}

.social-link:hover {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
  color: #fff;
  transform: translateY(-2px);
}

.footer-col h4 {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--clr-text-faint);
  margin-bottom: var(--space-4);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-col ul a {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  transition: color var(--transition-fast);
}

.footer-col ul a:hover { color: var(--clr-text); }

.footer-bottom {
  border-top: 1px solid var(--clr-border);
  padding-top: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  font-size: var(--fs-sm);
  color: var(--clr-text-faint);
}

/* ─── Form Elemanları ───────────────────────────────────────── */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--clr-text-muted);
  margin-bottom: var(--space-2);
}

.form-control {
  display: block;
  width: 100%;
  padding: 0.75rem var(--space-4);
  background: var(--clr-surface);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-md);
  color: var(--clr-text);
  font-size: var(--fs-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control::placeholder { color: var(--clr-text-faint); }

.form-control:focus {
  outline: none;
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px var(--clr-primary-glow);
}

textarea.form-control {
  min-height: 140px;
  resize: vertical;
}

/* ─── Alert / Flash ─────────────────────────────────────────── */
.alert {
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.alert-success {
  background: rgba(0,212,170,0.1);
  border: 1px solid rgba(0,212,170,0.25);
  color: var(--clr-accent);
}

.alert-error {
  background: rgba(255,107,107,0.1);
  border: 1px solid rgba(255,107,107,0.25);
  color: var(--clr-accent-2);
}

/* ─── Theme Toggle ──────────────────────────────────────────── */
.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
  font-size: 1rem;
}

.theme-toggle:hover {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
  color: #fff;
}

/* ─── Mobile Menu ───────────────────────────────────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
}

.hamburger span {
  display: block;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--clr-bg);
  z-index: 99;
  padding: var(--space-6);
  overflow-y: auto;
}

.mobile-menu.open { display: block; }

.mobile-menu nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mobile-menu a {
  display: block;
  padding: var(--space-4) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--fs-lg);
  font-weight: var(--fw-medium);
  color: var(--clr-text-muted);
  border: 1px solid transparent;
  transition: all var(--transition-fast);
}

.mobile-menu a:hover {
  color: var(--clr-text);
  background: var(--clr-surface);
  border-color: var(--clr-border);
}

/* ─── Sayfalama ─────────────────────────────────────────────── */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-12);
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  border: 1px solid var(--clr-border);
  transition: all var(--transition-fast);
}

.pagination a:hover {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
  color: #fff;
}

.pagination .active {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
  color: #fff;
}

/* ─── Scroll to Top ─────────────────────────────────────────── */
#scrollTop {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 44px;
  height: 44px;
  background: var(--clr-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  z-index: 90;
  transition: all var(--transition-base);
  border: none;
}

#scrollTop:hover {
  background: var(--clr-primary-h);
  transform: translateY(-2px);
}

#scrollTop.visible { display: flex; }

/* ─── Animasyonlar ──────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes meshFloat {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(2%, 3%) scale(1.05); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(1.5); }
}

@keyframes scrollLine {
  0%   { transform: scaleY(1); transform-origin: top; }
  50%  { transform: scaleY(0); transform-origin: top; }
  51%  { transform: scaleY(0); transform-origin: bottom; }
  100% { transform: scaleY(1); transform-origin: bottom; }
}

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Scroll Reveal ─────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ─── Responsive ────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 768px) {
  .nav-main { display: none; }
  .hamburger { display: flex; }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .hero__metrics {
    gap: var(--space-6);
  }

  .services-grid,
  .projects-grid,
  .testimonials-grid,
  .blog-grid {
    grid-template-columns: 1fr;
  }

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

  .header-actions .btn { display: none; }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .hero__actions {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ─── Yardımcı Sınıflar ─────────────────────────────────────── */
.text-center  { text-align: center; }
.text-muted   { color: var(--clr-text-muted); }
.text-primary { color: var(--clr-primary); }
.mt-auto      { margin-top: auto; }
.gap-4        { gap: var(--space-4); }
.flex         { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-wrap    { flex-wrap: wrap; }
.w-full       { width: 100%; }
.hidden       { display: none !important; }