/* ===== CSS Variables – Açık tema (ferah, profesyonel) ===== */
:root {
  /* Arka planlar: açık gri / beyaz ailesi */
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-card-hover: #f8fafc;
  /* Metin: koyu slate – okunaklı kontrast */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  /* Vurgu: cyan – açık zeminle uyumlu */
  --accent: #0891b2;
  --accent-hover: #0e7490;
  --accent-muted: rgba(8, 145, 178, 0.1);
  --accent-subtle: rgba(8, 145, 178, 0.06);
  /* Çizgiler */
  --border: rgba(15, 23, 42, 0.08);
  --border-accent: rgba(8, 145, 178, 0.35);
  /* Buton / ikon üzerinde yazı rengi */
  --on-accent: #ffffff;
  /* Logo: açık zeminde filtre yok (kendi rengi) */
  --logo-filter: none;
  --radius: 12px;
  --radius-lg: 20px;
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --header-height: 72px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 40px rgba(8, 145, 178, 0.15);
  --container-max: 1280px;
  --section-padding-y: 120px;
  --content-spacing: 32px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
}

/* ===== Layout ===== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--content-spacing);
}

.section {
  padding: var(--section-padding-y) 0;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 64px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  line-height: 1.7;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(248, 250, 252, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), border-color var(--transition);
}

.header.scrolled {
  background: rgba(248, 250, 252, 0.98);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  font-size: 1.375rem;
}

.logo-img {
  display: block;
  height: 40px;
  width: auto;
  flex-shrink: 0;
}

/* Koyu arka planda siyah logo görünsün: açık renge çevir */
.header .logo-img,
.footer .logo-img {
  filter: var(--logo-filter);
}

.logo-text {
  color: var(--accent);
  letter-spacing: -0.03em;
}

.logo-suffix {
  color: var(--text-primary);
  font-weight: 500;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-list a {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
}

.nav-list a:hover {
  color: var(--text-primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
}

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

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

.btn-header {
  padding: 10px 20px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-height) + 48px) 0 96px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black, transparent);
}

.hero-gradient {
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 120%;
  height: 80%;
  background: radial-gradient(ellipse at center, var(--accent-muted) 0%, transparent 65%);
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  top: 20%;
  right: -20%;
  width: 50%;
  height: 50%;
  background: radial-gradient(circle, var(--accent-subtle) 0%, transparent 70%);
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  padding: 8px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  animation: fadeUp 0.6s ease-out;
}

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

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.6;
    transform: scale(1.1);
  }
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  animation: fadeUp 0.6s ease-out 0.1s both;
}

.hero-title-accent {
  color: var(--accent);
  position: relative;
}

.hero-desc {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 40px;
  line-height: 1.7;
  animation: fadeUp 0.6s ease-out 0.2s both;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 64px;
  animation: fadeUp 0.6s ease-out 0.3s both;
}

.hero-stats {
  display: flex;
  gap: 48px;
  animation: fadeUp 0.6s ease-out 0.4s both;
}

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

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  border-radius: 2px;
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {

  0%,
  100% {
    opacity: 0.3;
    transform: scaleY(0.5);
    transform-origin: top;
  }

  50% {
    opacity: 1;
    transform: scaleY(1);
    transform-origin: top;
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll’da görünür olunca kullanılacak animasyonlar */
@keyframes fadeUpScale {
  from {
    opacity: 0;
    transform: translateY(28px) scale(0.97);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes ctaGlow {

  0%,
  100% {
    box-shadow: 0 4px 20px rgba(8, 145, 178, 0.35);
  }

  50% {
    box-shadow: 0 6px 28px rgba(8, 145, 178, 0.5);
  }
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-6px);
  }
}

@keyframes gradientShift {

  0%,
  100% {
    opacity: 0.6;
    transform: translateX(-50%) scale(1);
  }

  50% {
    opacity: 1;
    transform: translateX(-50%) scale(1.05);
  }
}

/* Hero CTA dikkat çekici */
.hero-cta .btn-primary {
  animation: ctaGlow 2.5s ease-in-out infinite;
}

.hero-cta .btn-primary:hover {
  animation: none;
  box-shadow: 0 6px 28px rgba(8, 145, 178, 0.5);
}

.hero-scroll {
  animation: float 3s ease-in-out infinite;
}

.hero-gradient {
  animation: gradientShift 8s ease-in-out infinite;
}

/* Scroll reveal: görünür olunca animasyon */
.reveal-in {
  opacity: 0;
  transform: translateY(28px);
}

.reveal-in.is-visible {
  animation: fadeUpScale 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}

@media (prefers-reduced-motion: reduce) {

  .hero-cta .btn-primary,
  .hero-scroll,
  .hero-gradient,
  .reveal-in {
    animation: none !important;
  }

  .reveal-in.is-visible {
    opacity: 1;
    transform: none;
  }
}

/* ===== Services ===== */
.services {
  background: var(--bg-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.35s ease, border-color 0.25s ease, background 0.25s ease;
}

.service-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.service-card:hover .service-icon {
  transform: scale(1.08);
}

.service-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-muted);
  border-radius: var(--radius);
  margin-bottom: 20px;
  color: var(--accent);
  transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.service-icon svg {
  width: 24px;
  height: 24px;
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ===== About ===== */
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-content .section-tag {
  margin-bottom: 12px;
}

.about-content .section-title {
  text-align: left;
  margin-bottom: 24px;
}

.about-text {
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.8;
}

.about-list {
  margin-top: 24px;
}

.about-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-secondary);
  margin-bottom: 12px;
  font-size: 0.9375rem;
}

.about-list .check {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background: var(--accent-muted);
  border-radius: 50%;
  position: relative;
}

.about-list .check::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 3px;
  width: 5px;
  height: 10px;
  border: solid var(--accent);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.about-visual {
  display: flex;
  justify-content: center;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2px;
  max-width: 400px;
  box-shadow: var(--shadow);
}

.about-card-inner {
  background: var(--bg-secondary);
  border-radius: calc(var(--radius-lg) - 2px);
  padding: 24px;
}

.code-snippet {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin: 0;
  overflow-x: auto;
}

.code-key {
  color: var(--accent);
}

.code-var {
  color: var(--text-primary);
}

.code-string {
  color: #0d9488;
}

/* ===== References ===== */
.references {
  background: var(--bg-secondary);
}

.references-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

.reference-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94), border-color 0.25s ease, box-shadow 0.3s ease;
}

.reference-item:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.reference-item span {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
}

/* ===== Process (Nasıl çalışıyoruz) ===== */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.process-step {
  text-align: center;
  padding: 32px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: transform 0.3s ease, border-color 0.25s ease, box-shadow 0.3s ease;
}

.process-step:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
}

.process-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 16px;
}

.process-step h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.process-step p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--bg-secondary);
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq-item:hover,
.faq-item[open] {
  border-color: var(--border-accent);
}

.faq-question {
  padding: 20px 24px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::after {
  content: '+';
  font-size: 1.25rem;
  color: var(--accent);
  font-weight: 400;
  flex-shrink: 0;
  margin-left: 12px;
}

.faq-item[open] .faq-question::after {
  content: '−';
}

.faq-answer {
  padding: 0 24px 20px;
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.faq-answer::before {
  content: '';
  display: block;
  height: 1px;
  background: var(--border);
  margin-bottom: 16px;
}

/* ===== WhatsApp float ===== */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1100;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: var(--on-accent);
  border-radius: 50%;
  box-shadow: var(--shadow-glow);
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
}

.whatsapp-float:hover {
  background: var(--accent-hover);
  transform: scale(1.08);
  box-shadow: var(--shadow-glow);
}

/* ===== Çerez / KVKK bandı ===== */
.cookie-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 20px 24px;
  transform: translateY(100%);
  transition: transform 0.35s ease-out;
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.3);
}

.cookie-bar.is-visible {
  transform: translateY(0);
}

.cookie-bar-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.cookie-text {
  flex: 1;
  min-width: 280px;
  margin: 0;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.cookie-link {
  background: none;
  border: none;
  color: var(--accent);
  font-family: inherit;
  font-size: inherit;
  text-decoration: underline;
  cursor: pointer;
  padding: 0;
}

.cookie-link:hover {
  color: var(--accent-hover);
}

.cookie-actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

.btn-sm {
  padding: 10px 18px;
  font-size: 0.875rem;
}

/* ===== KVKK Modal ===== */
.kvkk-overlay {
  position: fixed;
  inset: 0;
  z-index: 1002;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.kvkk-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.kvkk-overlay[aria-hidden="true"] {
  opacity: 0;
  visibility: hidden;
}

.kvkk-modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  max-width: 560px;
  width: 100%;
  max-height: 85vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
}

.kvkk-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.kvkk-header h2 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0;
}

.kvkk-close {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
}

.kvkk-close:hover {
  color: var(--text-primary);
  background: var(--accent-muted);
}

.kvkk-body {
  padding: 24px;
  overflow-y: auto;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.75;
}

.kvkk-body p {
  margin: 0 0 16px;
}

.kvkk-body p:last-child {
  margin-bottom: 0;
}

.kvkk-body a {
  color: var(--accent);
}

.kvkk-body a:hover {
  text-decoration: underline;
}

/* ===== Footer social ===== */
.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 32px;
}

.footer-social {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-social a {
  color: var(--text-muted);
  padding: 8px;
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
}

.footer-social a:hover {
  color: var(--accent);
  background: var(--accent-muted);
}

/* ===== Why Us ===== */
.why-us {
  background: var(--bg-secondary);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.35s ease, border-color 0.25s ease;
}

.why-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.why-number {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--accent);
  margin-bottom: 16px;
  font-weight: 500;
}

.why-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.why-card p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ===== CTA Section ===== */
.cta-section {
  padding: 80px 0;
}

.cta-box {
  background: linear-gradient(135deg, var(--accent-muted) 0%, var(--accent-subtle) 100%);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  padding: 56px;
  text-align: center;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.cta-box:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(8, 145, 178, 0.12);
}

.cta-content h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-content p {
  color: var(--text-secondary);
  margin-bottom: 28px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== Contact ===== */
.contact-inner {
  max-width: 640px;
  margin: 0 auto;
}

.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

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

.contact-icon svg {
  width: 22px;
  height: 22px;
}

.contact-item strong {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.contact-item a,
.contact-item span {
  color: var(--text-primary);
  font-size: 1rem;
}

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

/* ===== Footer ===== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 40px 0 24px;
}

.footer .logo-img {
  height: 32px;
}

.footer-nav {
  display: flex;
  gap: 32px;
}

.footer-nav a {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.footer-nav a:hover {
  color: var(--accent);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ===== Responsive (Düzenlenmiş Mobil Uyumluluk) ===== */
@media (max-width: 1024px) {
  .about-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-content .section-title {
    text-align: center;
  }

  .about-visual {
    order: -1;
  }

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

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

  .contact-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {

  /* Teklif butonunu gizliyoruz, nav'ı değil! */
  .btn-header {
    display: none;
  }

  /* Hamburger Menü İkonu */
  .nav-toggle {
    display: flex;
    position: relative;
    z-index: 1002;
    /* Menünün üstünde kalması için */
  }

  /* Hamburger ikonu tıklandığında (açıkken) X şekline dönüşsün */
  .nav-toggle.open span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .nav-toggle.open span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  /* Mobil Menü Arka Planı ve Listesi */
  .nav-list {
    position: fixed;
    top: var(--header-height);
    left: 16px;
    right: 16px;
    bottom: auto;
    background: rgba(248, 250, 252, 0.98);
    /* Temana uygun bulanık arka plan */
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    /* Linkleri ortala */
    gap: 22px;
    padding: 28px 20px;
    border: 1px solid var(--border);
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.16);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
    z-index: 1001;
  }

  .nav-list a {
    font-size: 1.1rem;
    /* Mobilde dokunması kolay büyük font */
    font-weight: 600;
  }

  /* Menü açıldığında listeyi ekrana kaydır */
  .nav.open .nav-list {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  /* Diğer Mobil Düzenlemeler */
  .hero-stats {
    gap: 32px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .stat-value {
    font-size: 1.5rem;
  }

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

  .cta-box {
    padding: 40px 24px;
  }

  .footer-top {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }

  .footer-nav {
    flex-wrap: wrap;
    justify-content: center;
  }

  .footer-social {
    justify-content: center;
  }

  .process-timeline {
    grid-template-columns: 1fr;
  }

  .whatsapp-float {
    bottom: calc(16px + env(safe-area-inset-bottom));
    right: 16px;
    width: 52px;
    height: 52px;
    z-index: 1100;
  }

  .cookie-bar-inner {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .cookie-actions {
    justify-content: center;
  }

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

@media (max-width: 600px) {
  .section {
    padding: 80px 0;
  }

  .container {
    padding: 0 20px;
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    width: 100%;
  }

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

  /* Çok küçük telefonlarda teknolojileri tek sütun yapalım */
  .references-grid {
    grid-template-columns: 1fr;
  }
}