/* ============================================================
   Kaya Otomotiv - Ana Stil Dosyası
   ============================================================ */

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

:root {
  --primary:   #003580;
  --primary-dark: #002460;
  --accent:    #e8261c;
  --text:      #1a1a1a;
  --text-light:#555;
  --bg-light:  #f5f7fa;
  --white:     #ffffff;
  --border:    #e0e4ea;
  --shadow:    0 4px 24px rgba(0,0,0,.10);
  --radius:    8px;
  --transition: .25s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
  background: var(--white);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
}
.btn-primary:hover { background: #c41e15; }

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

/* ==============================================================
   TOP BAR
   ============================================================== */
.top-bar {
  background: var(--primary-dark);
  color: rgba(255,255,255,.85);
  font-size: .82rem;
  padding: 6px 0;
}
.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.top-bar a { color: rgba(255,255,255,.85); transition: color var(--transition); }
.top-bar a:hover { color: var(--white); }
.top-bar-left, .top-bar-right { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.top-bar-item { display: flex; align-items: center; gap: 6px; }
.top-bar-item svg { flex-shrink: 0; }

/* ==============================================================
   HEADER / NAV
   ============================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  box-shadow: 0 2px 12px rgba(0,0,0,.10);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  max-width: 1200px;
  margin: 0 auto;
  gap: 20px;
}

.logo img { height: 54px; width: auto; }

.main-nav { display: flex; align-items: center; gap: 4px; }

.main-nav a {
  padding: 8px 14px;
  border-radius: 6px;
  font-weight: 500;
  font-size: .92rem;
  color: var(--text);
  transition: background var(--transition), color var(--transition);
  position: relative;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 14px; right: 14px;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transition: transform var(--transition);
  border-radius: 2px;
}
.main-nav a:hover, .main-nav a.active { color: var(--primary); }
.main-nav a:hover::after, .main-nav a.active::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 10px; }

.search-form {
  display: flex;
  align-items: center;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  transition: border-color var(--transition);
}
.search-form:focus-within { border-color: var(--primary); }
.search-form input {
  border: none; outline: none;
  padding: 8px 12px;
  font-size: .88rem;
  width: 160px;
  background: transparent;
}
.search-form button {
  background: var(--primary);
  border: none;
  padding: 8px 12px;
  cursor: pointer;
  color: var(--white);
  display: flex;
  align-items: center;
  transition: background var(--transition);
}
.search-form button:hover { background: var(--primary-dark); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px; height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  height: 2.5px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* Mobile nav overlay */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 999;
}
.mobile-nav-inner {
  position: absolute;
  top: 0; right: 0;
  width: min(320px, 90vw);
  height: 100%;
  background: var(--white);
  padding: 24px 20px;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform .3s ease;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.mobile-nav.open { display: block; }
.mobile-nav.open .mobile-nav-inner { transform: translateX(0); }

.mobile-nav-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}
.mobile-nav-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text);
  line-height: 1;
}
.mobile-nav ul { display: flex; flex-direction: column; }
.mobile-nav ul a {
  display: block;
  padding: 13px 0;
  border-bottom: 1px solid var(--border);
  font-weight: 500;
  font-size: 1rem;
  color: var(--text);
  transition: color var(--transition);
}
.mobile-nav ul a:hover { color: var(--primary); }
.mobile-nav .btn { margin-top: 24px; width: 100%; justify-content: center; }

/* ==============================================================
   HERO
   ============================================================== */
.hero {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(110deg, var(--primary-dark) 0%, var(--primary) 60%, #1a5cb0 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    url('https://kayaotomotiv.net/wp-content/uploads/2023/11/iveco-kaya-otomotiv.jpg')
    center/cover no-repeat;
  opacity: .18;
}

.hero-pattern {
  position: absolute;
  inset: 0;
  background: url('https://kayaotomotiv.net/wp-content/uploads/2022/03/dotted-pattern.png')
    repeat;
  opacity: .08;
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 80px 20px;
}

.hero-content { color: var(--white); }
.hero-eyebrow {
  display: inline-block;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.3);
  color: rgba(255,255,255,.9);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 18px;
}
.hero-content h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -.01em;
}
.hero-content h1 span { color: #ffcb47; }
.hero-content p {
  font-size: 1.05rem;
  color: rgba(255,255,255,.85);
  margin-bottom: 32px;
  max-width: 480px;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }

.hero-image-wrap {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}
.hero-image-wrap img {
  max-height: 380px;
  width: 100%;
  object-fit: contain;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,.35));
  animation: floatUp 3.5s ease-in-out infinite alternate;
}
@keyframes floatUp {
  from { transform: translateY(0); }
  to   { transform: translateY(-14px); }
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.hero-stat { color: var(--white); }
.hero-stat-number {
  display: block;
  font-size: 1.9rem;
  font-weight: 800;
  line-height: 1;
  color: #ffcb47;
}
.hero-stat-label {
  font-size: .8rem;
  color: rgba(255,255,255,.7);
  text-transform: uppercase;
  letter-spacing: .06em;
}

/* ==============================================================
   SECTION COMMON
   ============================================================== */
section { padding: 80px 0; }

.section-header { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-block;
  background: rgba(0,53,128,.08);
  color: var(--primary);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 12px;
}
.section-header h2 {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  font-weight: 800;
  color: var(--text);
  line-height: 1.25;
  margin-bottom: 14px;
}
.section-header p {
  color: var(--text-light);
  font-size: 1.02rem;
  max-width: 560px;
  margin: 0 auto;
}

/* ==============================================================
   SERVICES
   ============================================================== */
.services { background: var(--bg-light); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--white);
  border-radius: 14px;
  padding: 36px 28px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
  gap: 16px;
  border-top: 4px solid transparent;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,.14);
  border-top-color: var(--primary);
}

.service-icon {
  width: 60px; height: 60px;
  background: rgba(0,53,128,.08);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}
.service-icon svg { width: 30px; height: 30px; }

.service-card h3 {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--text);
}
.service-card p { color: var(--text-light); font-size: .95rem; flex: 1; }

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 600;
  font-size: .9rem;
  margin-top: 4px;
  transition: gap var(--transition);
}
.service-link:hover { gap: 10px; }

/* ==============================================================
   WHY US
   ============================================================== */
.why-us .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.why-image-wrap { position: relative; }
.why-image-wrap img {
  border-radius: 16px;
  width: 100%;
  object-fit: cover;
  box-shadow: var(--shadow);
}
.why-badge {
  position: absolute;
  bottom: -20px; right: -20px;
  background: var(--primary);
  color: var(--white);
  border-radius: 12px;
  padding: 18px 22px;
  text-align: center;
  box-shadow: 0 8px 24px rgba(0,53,128,.35);
}
.why-badge-number { display: block; font-size: 2rem; font-weight: 800; line-height: 1; }
.why-badge-text { font-size: .8rem; line-height: 1.35; opacity: .85; }

.why-content { padding-right: 8px; }
.why-content .section-header { text-align: left; margin-bottom: 32px; }
.why-content .section-header p { margin: 0; }

.why-list { display: flex; flex-direction: column; gap: 20px; margin-bottom: 36px; }
.why-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.why-item-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: rgba(0,53,128,.08);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--primary);
}
.why-item-icon svg { width: 22px; height: 22px; }
.why-item-text h4 { font-size: .98rem; font-weight: 700; margin-bottom: 3px; }
.why-item-text p { font-size: .88rem; color: var(--text-light); }

/* ==============================================================
   TESTIMONIALS
   ============================================================== */
.testimonials { background: var(--bg-light); }

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: var(--white);
  border-radius: 14px;
  padding: 32px 26px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  transition: transform var(--transition);
}
.testimonial-card:hover { transform: translateY(-4px); }

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 18px; right: 24px;
  font-size: 5rem;
  font-family: Georgia, serif;
  color: var(--primary);
  opacity: .08;
  line-height: 1;
}

.stars { display: flex; gap: 3px; }
.star { color: #f5a623; font-size: 1rem; }

.testimonial-card p {
  color: var(--text-light);
  font-size: .94rem;
  line-height: 1.7;
  flex: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.author-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--primary);
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: .95rem;
  flex-shrink: 0;
}
.author-name { font-weight: 700; font-size: .92rem; }
.author-title { font-size: .8rem; color: var(--text-light); }

/* ==============================================================
   CTA BAND
   ============================================================== */
.cta-band {
  background: linear-gradient(110deg, var(--primary-dark), var(--primary));
  color: var(--white);
  padding: 60px 0;
}
.cta-band .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-band h2 { font-size: clamp(1.4rem, 2.5vw, 2rem); font-weight: 800; }
.cta-band p { opacity: .85; margin-top: 6px; font-size: .97rem; }
.cta-band-actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }

/* ==============================================================
   FOOTER
   ============================================================== */
.site-footer {
  background: #0d1b2e;
  color: rgba(255,255,255,.75);
  padding-top: 64px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer-brand img { height: 50px; margin-bottom: 18px; filter: brightness(0) invert(1); }
.footer-brand p { font-size: .9rem; line-height: 1.7; max-width: 300px; }
.footer-socials { display: flex; gap: 10px; margin-top: 20px; }
.footer-social {
  width: 38px; height: 38px;
  border: 1.5px solid rgba(255,255,255,.2);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.6);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.footer-social:hover { background: var(--primary); border-color: var(--primary); color: var(--white); }
.footer-social svg { width: 16px; height: 16px; }

.footer-col h4 {
  color: var(--white);
  font-size: .9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 20px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a {
  color: rgba(255,255,255,.65);
  font-size: .9rem;
  transition: color var(--transition), padding-left var(--transition);
}
.footer-col ul a:hover { color: var(--white); padding-left: 4px; }

.footer-contact-list { display: flex; flex-direction: column; gap: 14px; }
.footer-contact-item { display: flex; gap: 12px; align-items: flex-start; font-size: .88rem; }
.footer-contact-item svg { flex-shrink: 0; margin-top: 2px; color: var(--primary); }
.footer-contact-item a { color: rgba(255,255,255,.65); transition: color var(--transition); }
.footer-contact-item a:hover { color: var(--white); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  font-size: .84rem;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom a { color: rgba(255,255,255,.5); transition: color var(--transition); }
.footer-bottom a:hover { color: var(--white); }

/* ==============================================================
   RESPONSIVE
   ============================================================== */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; }
  .hero-content p { margin: 0 auto 32px; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-image-wrap { display: none; }

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

  .why-us .container { grid-template-columns: 1fr; }
  .why-image-wrap { display: none; }
  .why-content { padding: 0; }
  .why-content .section-header { text-align: center; }
  .why-content .section-header p { margin: 0 auto; }

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

@media (max-width: 768px) {
  section { padding: 56px 0; }

  .top-bar .container { justify-content: center; }
  .top-bar-left { display: none; }

  .main-nav, .search-form, .header-actions .btn { display: none; }
  .hamburger { display: flex; }

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

  .cta-band .container { flex-direction: column; text-align: center; }
  .cta-band-actions { justify-content: center; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero .container { padding: 56px 20px; }
  .header-inner { padding: 12px 16px; }
  .container { padding: 0 16px; }
}

/* ==============================================================
   SCROLL TO TOP
   ============================================================== */
#scrollTop {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 46px; height: 46px;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0,53,128,.35);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition), transform var(--transition);
  z-index: 900;
}
#scrollTop.visible { opacity: 1; transform: translateY(0); }
#scrollTop:hover { background: var(--primary-dark); }