/* =========================================================
   BAYRAMLAR MÜHENDİSLİK VE İNŞAAT — ANASAYFA STİLLERİ
   Renk Paleti: Koyu Lacivert/Siyah, Altın Sarısı, Beyaz
   ========================================================= */

/* ---------- 1. DEĞİŞKENLER (CSS VARIABLES) ---------- */
:root {
  --color-navy: #0a1628;        /* Ana koyu lacivert/siyah */
  --color-navy-light: #142a45;  /* Kartlar / ikincil koyu ton */
  --color-gold: #c9a227;        /* Ana altın sarısı vurgu rengi */
  --color-gold-light: #e0bf4f;  /* Hover / gradient için açık altın */
  --color-white: #ffffff;
  --color-off-white: #f7f6f3;   /* Açık gri-bej arka plan */
  --color-text-muted: #5b6472;
  --color-border: #e4e2dc;

  --font-heading: 'Poppins', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  --container-width: 1180px;
  --radius: 10px;
  --transition: 0.3s ease;
  --shadow-md: 0 10px 30px rgba(10, 22, 40, 0.08);
  --shadow-lg: 0 20px 45px rgba(10, 22, 40, 0.16);
}

/* ---------- 2. RESET & TEMEL STİLLER ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--color-navy);
  background: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.25;
  color: var(--color-navy);
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.text-gold { color: var(--color-gold); }

/* Ortak bölüm başlığı biçimi */
.eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 12px;
}

.section-head { max-width: 640px; margin: 0 auto 48px; text-align: center; }
.section-head h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); font-weight: 700; margin-bottom: 14px; }
.section-desc { color: var(--color-text-muted); font-size: 1.05rem; }
.section-head--light .eyebrow { color: var(--color-gold-light); }
.section-head--light h2 { color: var(--color-white); }

/* Butonlar */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 6px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-gold);
  color: var(--color-navy);
}
.btn-primary:hover {
  background: var(--color-gold-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-outline {
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--color-white);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-white);
}
.btn-outline-navy {
  border-color: var(--color-navy);
  color: var(--color-navy);
}
.btn-outline-navy:hover {
  background: var(--color-navy);
  color: var(--color-white);
}
.btn-sm { padding: 12px 24px; font-size: 0.95rem; }

/* İkonlar (use ile çağrılan sprite) */
.icon { width: 22px; height: 22px; flex-shrink: 0; }

/* ---------- Scroll'da belirme animasyonu (reveal) ----------
   NOT: Bu blok, kart bileşenlerinin kendi :hover kurallarından ÖNCE
   gelmeli; aksi halde .is-visible'ın transform:none değeri, sayfa
   ilerisindeki :hover kaldırma efektlerini eşit özgüllükte ezebilir. */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* =========================================================
   3. HEADER / NAVBAR
   ========================================================= */
/* Modern "yüzen cam" (floating glass) navbar: kenarlardan boşluklu, yarı saydam,
   arkasındaki içeriği hafifçe bulanıklaştırarak gösteren bir bar. */
.site-header {
  position: fixed;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: min(94%, 1220px);
  z-index: 1000;
  background: rgba(10, 22, 40, 0.55);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  box-shadow: 0 10px 30px rgba(6, 12, 24, 0.25);
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition), top var(--transition);
  padding: 14px 0;
}
.site-header.scrolled {
  top: 12px;
  background: rgba(10, 22, 40, 0.82);
  box-shadow: 0 14px 36px rgba(6, 12, 24, 0.32);
  padding: 10px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* Logo */
.logo { display: flex; align-items: center; gap: 10px; }

/* Saydam (arka planı olmayan) logo görseli: lacivert header üzerinde doğrudan görünür. */
.logo-mark-img { height: 52px; width: auto; display: block; }
.logo-mark-img--footer { height: 42px; }

.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-text strong {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--color-white);
}
.logo-text small {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-gold);
}

/* Ana menü */
.main-nav ul { display: flex; gap: 32px; }
.main-nav a {
  font-family: var(--font-heading);
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--color-white);
  position: relative;
  padding: 6px 0;
  transition: color var(--transition);
}
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--color-gold);
  transition: width var(--transition);
}
.main-nav a:hover::after,
.main-nav a.active::after { width: 100%; }
.main-nav a:hover { color: var(--color-gold); }

.header-actions { display: flex; align-items: center; gap: 18px; }

/* Mobil menü butonu */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-white);
  padding: 4px;
}
.nav-toggle .icon-close { display: none; }
.nav-toggle.active .icon-open { display: none; }
.nav-toggle.active .icon-close { display: block; }

/* =========================================================
   4. HERO BÖLÜMÜ
   ========================================================= */
/* Düz tek renk yerine, yandaki fotoğrafın kendisi zeminin altına da (çok koyu bir
   gradyanın ARDINDA, saydam biçimde) yediriliyor; böylece arka plan tek düz renk
   olmaktan çıkıp fotoğrafla görsel olarak bütünleşiyor. Gradyan yeterince koyu
   olduğu için metin okunabilirliği hâlâ garanti altında. */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background:
    linear-gradient(150deg, rgba(10, 22, 40, 0.95) 0%, rgba(14, 31, 56, 0.9) 45%, rgba(22, 41, 74, 0.86) 100%),
    url('../assets/images/gercek-fotograflar/hero/anasayfa-hero.jpg') center / cover no-repeat;
  color: var(--color-white);
  padding-top: 130px;
  overflow: hidden;
}
.hero::before,
.hero::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}
.hero::before {
  top: -220px;
  left: 8%;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(201, 162, 39, 0.22) 0%, transparent 70%);
}
.hero::after {
  bottom: -260px;
  right: 18%;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(52, 90, 140, 0.28) 0%, transparent 70%);
}

/* Metin ve görsel iki ayrı sütunda: yazı alanının arkasında görsel yok,
   bu sayede kontrast/okunabilirlik sorunu tamamen ortadan kalkıyor. */
.hero-split {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  align-items: center;
  gap: 60px;
  width: 100%;
  position: relative;
  z-index: 1;
}
.hero-content { position: relative; z-index: 2; max-width: 600px; }
.hero-content .eyebrow { margin-bottom: 18px; }

/* Görsel panelinin arkasında bulanık bir "hale" (glow): panel kendisi overflow:hidden
   olduğu için hale ayrı bir dış sarmalayıcıya (.hero-media-frame) konur, aksi halde
   panel kendi taşmasını keserken haleyi de kırpardı. */
.hero-media-frame { position: relative; }
.hero-media-frame::before {
  content: '';
  position: absolute;
  z-index: 0;
  inset: -18px;
  background: linear-gradient(140deg, rgba(201, 162, 39, 0.5), rgba(52, 90, 140, 0.35));
  border-radius: 32px;
  filter: blur(28px);
  opacity: 0.55;
}
.hero-media {
  position: relative;
  z-index: 1;
  height: min(620px, 68vh);
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 30px 70px rgba(4, 9, 18, 0.45);
}
.hero-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(10, 22, 40, 0.4) 0%, rgba(201, 162, 39, 0.08) 60%, transparent 85%);
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 20px;
  color: var(--color-white);
}
.hero-sub {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 500;
  color: var(--color-gold-light);
  margin-bottom: 22px;
}
.hero-desc {
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
  max-width: 560px;
  margin-bottom: 36px;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 44px; }

/* Güven rozetleri şeridi */
.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 28px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}
.trust-badges li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
}
.trust-badges .icon { color: var(--color-gold); }

/* Sizi Arayalım - kısa geri arama formu şeridi */
.callback-section { background: var(--color-navy-light); padding: 44px 0; }
.callback-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.callback-text h2 { color: var(--color-white); font-size: 1.4rem; font-weight: 700; margin: 6px 0 6px; }
.callback-text p { color: rgba(255, 255, 255, 0.75); font-size: 0.95rem; max-width: 420px; }
.callback-form { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.callback-form input {
  padding: 13px 18px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.92rem;
  min-width: 180px;
}
.callback-form input::placeholder { color: rgba(255, 255, 255, 0.55); }
.callback-form input:focus { outline: none; border-color: var(--color-gold); }
.callback-form .form-success { width: 100%; color: var(--color-gold-light); }

/* =========================================================
   5. HAKKIMIZDA (ÖZET)
   ========================================================= */
.about { padding: 100px 0; background: var(--color-off-white); }
.about-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-text h2 { font-size: clamp(1.7rem, 3vw, 2.2rem); font-weight: 700; margin-bottom: 20px; }
.about-text p { color: var(--color-text-muted); font-size: 1.05rem; margin-bottom: 22px; }
.about-text strong { color: var(--color-navy); }

.link-arrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-navy);
  border-bottom: 2px solid var(--color-gold);
  padding-bottom: 3px;
  transition: color var(--transition);
}
.link-arrow:hover { color: var(--color-gold); }

.about-stats { display: grid; gap: 20px; }
.stat-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-gold);
  border-radius: var(--radius);
  padding: 26px 28px;
  box-shadow: var(--shadow-md);
}
.stat-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-navy);
}
.stat-label { color: var(--color-text-muted); font-size: 0.9rem; }

/* =========================================================
   6. HİZMETLERİMİZ (GRID)
   ========================================================= */
.services { padding: 100px 0; }
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}
.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-gold);
}
.service-card summary { cursor: pointer; list-style: none; }
.service-card summary::-webkit-details-marker { display: none; }
.service-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-navy);
  color: var(--color-gold);
  margin-bottom: 24px;
}
.service-icon .icon { width: 28px; height: 28px; }
.service-card h3 { font-size: 1.2rem; font-weight: 600; margin-bottom: 12px; }
.service-card summary p { color: var(--color-text-muted); margin-bottom: 18px; font-size: 0.98rem; }
.service-card-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-gold);
}
.service-card-more .accordion-arrow { width: 16px; height: 16px; transition: transform var(--transition); }
.service-card[open] .service-card-more .accordion-arrow { transform: rotate(180deg); }
.service-card-detail {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}
.service-list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.92rem;
  color: var(--color-navy);
  margin-bottom: 8px;
}
.service-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 8px;
  width: 8px; height: 8px;
  background: var(--color-gold);
  border-radius: 50%;
}

/* Madde başlıkları kendi hizmet detay sayfasına link veriyorsa (anasayfa hizmet kartları) */
.service-list--links a {
  color: var(--color-navy);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 3px;
  transition: color var(--transition), text-decoration-color var(--transition);
}
.service-list--links a:hover {
  color: var(--color-gold);
  text-decoration-color: var(--color-gold);
}

.services-more { text-align: center; margin-top: 44px; }

/* =========================================================
   7. ÇALIŞMA SÜRECİMİZ (TIMELINE / HUNİ)
   ========================================================= */
.process {
  padding: 100px 0;
  background: var(--color-navy-light);
  color: var(--color-white);
}
.process-track {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  position: relative;
}
/* Adımları birbirine bağlayan kesikli çizgi (masaüstü) */
.process-track::before {
  content: '';
  position: absolute;
  top: 34px;
  left: 8%;
  right: 8%;
  height: 2px;
  background-image: linear-gradient(to right, var(--color-gold) 50%, transparent 50%);
  background-size: 16px 2px;
  z-index: 0;
}
.process-step {
  position: relative;
  z-index: 1;
  flex: 1;
  text-align: center;
}
.step-icon {
  position: relative;
  width: 68px;
  height: 68px;
  margin: 0 auto 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-navy);
  border: 2px solid var(--color-gold);
  border-radius: 50%;
  color: var(--color-gold);
}
.step-number {
  position: absolute;
  top: -10px;
  right: -10px;
  background: var(--color-gold);
  color: var(--color-navy);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.7rem;
  width: 26px; height: 26px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.process-step h3 { color: var(--color-white); font-size: 1.1rem; font-weight: 600; margin-bottom: 10px; }
.process-step p { color: rgba(255, 255, 255, 0.7); font-size: 0.92rem; padding: 0 10px; }

/* Anasayfa: Projelerimizden Örnekler (referans önizleme şeridi) */
.projects-preview { padding: 100px 0; background: var(--color-off-white); }
.projects-preview .gallery-grid { margin-bottom: 44px; }

/* =========================================================
   8. FOOTER
   ========================================================= */
.site-footer { background: var(--color-navy); color: rgba(255, 255, 255, 0.8); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
  gap: 40px;
  padding: 80px 24px 60px;
}
.footer-brand .logo-text--footer strong { color: var(--color-white); }
.footer-slogan { margin: 18px 0 22px; font-size: 0.92rem; max-width: 280px; color: rgba(255,255,255,0.65); }

.social-icons { display: flex; gap: 12px; }
.social-icons a {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  background: var(--color-navy-light);
  border-radius: 50%;
  color: var(--color-white);
  transition: background var(--transition), color var(--transition);
}
.social-icons .icon { width: 18px; height: 18px; }
.social-icons a:hover { background: var(--color-gold); color: var(--color-navy); }

.footer-col h4 {
  color: var(--color-white);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 22px;
}
.footer-links li { margin-bottom: 12px; }
.footer-links a { font-size: 0.92rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--color-gold); }

.footer-contact li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 18px;
  font-size: 0.9rem;
}
.footer-contact .icon { width: 18px; height: 18px; margin-top: 2px; color: var(--color-gold); flex-shrink: 0; }
.footer-contact a:hover { color: var(--color-gold); }
.footer-contact li > span { display: flex; flex-direction: column; gap: 2px; }
.footer-contact small { color: rgba(255, 255, 255, 0.55); font-size: 0.82rem; }

.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); }
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding: 22px 24px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
}

/* Sabit WhatsApp butonu */
.whatsapp-float {
  position: fixed;
  bottom: 26px;
  right: 26px;
  width: 58px;
  height: 58px;
  background: #25d366;
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  z-index: 900;
  transition: transform var(--transition);
}
.whatsapp-float:hover { transform: scale(1.08); }
.whatsapp-float .icon { width: 30px; height: 30px; }

/* =========================================================
   9. İÇ SAYFA BANNER'I (Kurumsal, Hizmetlerimiz, Projeler, İletişim)
   ========================================================= */
.page-hero {
  background: var(--color-navy);
  color: var(--color-white);
  padding: 150px 0 60px;
  text-align: center;
}
.page-hero h1 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 700; color: var(--color-white); margin-bottom: 14px; }
.breadcrumb { color: rgba(255, 255, 255, 0.6); font-size: 0.9rem; }
.breadcrumb a { color: rgba(255, 255, 255, 0.85); }
.breadcrumb a:hover { color: var(--color-gold); }
.breadcrumb span { color: var(--color-gold-light); }

/* Sayfa ortası CTA şeridi */
.cta-banner { background: var(--color-off-white); padding: 70px 0; }
.cta-banner-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.cta-banner-inner h2 { font-size: clamp(1.4rem, 2.5vw, 1.9rem); font-weight: 700; max-width: 600px; }

/* =========================================================
   10. KURUMSAL SAYFASI: HİKAYE / VİZYON-MİSYON / EKİP / NEDEN BİZ
   ========================================================= */
.story { padding: 100px 0; }
.story-inner { display: grid; grid-template-columns: 1fr 1.1fr; gap: 60px; align-items: center; }
.story-image {
  min-height: 380px;
  border-radius: var(--radius);
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow-lg);
}
.story-text h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); font-weight: 700; margin-bottom: 20px; }
.story-text p { color: var(--color-text-muted); font-size: 1.02rem; margin-bottom: 18px; }
.story-text strong { color: var(--color-navy); }

.stats-band { padding: 0 0 90px; }
.stats-band-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.stats-band .stat-card { text-align: center; }

.vision-mission { padding: 0 0 100px; }
.vm-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.vm-card {
  background: var(--color-off-white);
  border-radius: var(--radius);
  padding: 40px;
  border-top: 4px solid var(--color-gold);
}
.vm-card h3 { font-size: 1.25rem; font-weight: 600; margin: 20px 0 12px; }
.vm-card p { color: var(--color-text-muted); }

.why-us {
  padding: 100px 0;
  background: linear-gradient(155deg, var(--color-navy) 0%, #12274a 55%, var(--color-navy-light) 100%);
  position: relative;
  overflow: hidden;
}
.why-us::before {
  content: '';
  position: absolute;
  top: -120px; right: -120px;
  width: 360px; height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 162, 39, 0.18) 0%, transparent 70%);
}
.why-us .section-head--light .eyebrow {
  display: inline-block;
  font-weight: 700;
  letter-spacing: 0.12em;
}
.why-us .section-head--light h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
}
.why-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 28px;
  position: relative;
  z-index: 1;
}
.why-card {
  flex: 1 1 300px;
  max-width: 320px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(201, 162, 39, 0.25);
  border-radius: var(--radius);
  padding: 34px 28px;
  color: rgba(255, 255, 255, 0.85);
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}
.why-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-gold);
  background: rgba(255, 255, 255, 0.1);
}
.why-icon {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: rgba(201, 162, 39, 0.16);
  margin-bottom: 20px;
}
.why-icon .icon { width: 26px; height: 26px; color: var(--color-gold); }
.why-card h3 { color: var(--color-white); font-size: 1.12rem; font-weight: 700; margin-bottom: 12px; }
.why-card p { font-size: 0.95rem; line-height: 1.6; color: rgba(255, 255, 255, 0.85); }

/* =========================================================
   11. HİZMETLER SAYFASI: ÖZET ŞERİDİ & AKORDEON
   ========================================================= */
.services-intro { padding: 70px 0 20px; }
.services-intro-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 50px;
}
.services-intro-inner p { max-width: 560px; color: var(--color-text-muted); font-size: 1.02rem; }
.services-intro-inner strong { color: var(--color-navy); }
.services-intro-stats { display: flex; gap: 36px; flex-wrap: wrap; }
.services-intro-stats div { display: flex; flex-direction: column; }
.services-intro-stats span {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-gold);
}
.services-intro-stats div { font-size: 0.85rem; color: var(--color-text-muted); }

.services-detail { padding: 60px 0 100px; }

/* Akordeon başlığındaki 01/02/03 numarası */
.category-index {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.4rem;
  color: rgba(201, 162, 39, 0.4);
  flex-shrink: 0;
}
.accordion-category {
  background: var(--color-off-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 20px;
  overflow: hidden;
}
.accordion-category summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 30px;
  cursor: pointer;
  list-style: none;
}
.accordion-category summary::-webkit-details-marker { display: none; }
.accordion-head { display: flex; align-items: center; gap: 22px; }
.accordion-head h2 { font-size: 1.2rem; font-weight: 600; margin-bottom: 6px; }
.accordion-head p { color: var(--color-text-muted); font-size: 0.92rem; }
.accordion-arrow { color: var(--color-gold); flex-shrink: 0; transition: transform var(--transition); }
.accordion-category[open] .accordion-arrow { transform: rotate(180deg); }

/* Her kategorinin açıklama paragrafları (madde listesinden önce, tam genişlikte) */
.accordion-intro {
  padding: 0 30px 22px 96px;
}
.accordion-intro p {
  color: var(--color-text-muted);
  font-size: 0.98rem;
  line-height: 1.7;
  margin-bottom: 12px;
}
.accordion-intro p:last-child { margin-bottom: 0; }

.accordion-body {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  padding: 0 30px 30px 96px;
}
.accordion-list {
  flex: 1 1 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 24px;
}
.accordion-photo { flex: 0 0 230px; }
.accordion-photo img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 10px;
  display: block;
}
.accordion-list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.95rem;
  color: var(--color-navy);
}
.accordion-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 8px;
  width: 8px; height: 8px;
  background: var(--color-gold);
  border-radius: 50%;
}

/* Madde başlıkları kendi detay sayfasına link veriyorsa */
.accordion-list--links a {
  color: var(--color-navy);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 3px;
  transition: color var(--transition), text-decoration-color var(--transition);
}
.accordion-list--links a:hover {
  color: var(--color-gold);
  text-decoration-color: var(--color-gold);
}

/* =========================================================
   12. PROJELER SAYFASI: FİLTRE & GALERİ
   ========================================================= */
.gallery { padding: 80px 0 100px; }
.gallery-filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-bottom: 48px;
}
.filter-btn {
  padding: 10px 22px;
  border: 1px solid var(--color-border);
  border-radius: 30px;
  background: var(--color-white);
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.filter-btn:hover { border-color: var(--color-gold); }
.filter-btn.active { background: var(--color-navy); color: var(--color-white); border-color: var(--color-navy); }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}
.project-card {
  display: block;
  color: inherit;
  text-decoration: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}
.project-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.project-card[hidden] { display: none; }
.project-image { height: 200px; overflow: hidden; }
.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.project-card:hover .project-image img { transform: scale(1.06); }
.project-info { padding: 22px 24px; }
.project-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 10px;
}
.project-info h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 10px; }
.project-info p { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--color-text-muted); }
.project-info .icon { width: 16px; height: 16px; }

/* =========================================================
   13. İLETİŞİM SAYFASI: HARİTA / FORM / BİLGİ KARTLARI
   ========================================================= */
.map-section { line-height: 0; }
.map-section iframe { width: 100%; height: 400px; border: 0; display: block; }

.contact-section { padding: 90px 0; }
.contact-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 60px; align-items: start; }

.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.form-row { display: flex; flex-direction: column; gap: 8px; }
.form-row--full { grid-column: 1 / -1; }
.form-row label { font-size: 0.88rem; font-weight: 600; color: var(--color-navy); }
.form-row input,
.form-row select,
.form-row textarea {
  padding: 13px 16px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-navy);
  background: var(--color-white);
  transition: border-color var(--transition);
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-gold);
}
.form-row textarea { resize: vertical; }

/* Alan bazlı uyarı (ör. telefon formatı yanlışsa) — dikkat çeker ama alarm gibi
   durmasın diye kırmızı yerine amber/altın tonunda. */
.field-hint {
  display: block;
  width: 100%;
  color: #9a6b12;
  font-size: 0.8rem;
  margin-top: -2px;
}
.field-hint[hidden] { display: none; }
.callback-form .field-hint { color: var(--color-gold-light); }
.form-row input.invalid,
.callback-form input.invalid {
  border-color: var(--color-gold);
}

.form-success {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  color: #1f8a4c;
  font-size: 0.92rem;
  font-weight: 500;
}
/* NOT: display:flex, tarayıcının varsayılan [hidden]{display:none} kuralını
   eziyordu; bu yüzden mesaj hiç gönderilmeden de görünür duruyordu. */
.form-success[hidden] { display: none; }
.form-success .icon { width: 20px; height: 20px; }

.contact-info-wrap { display: flex; flex-direction: column; gap: 20px; }
.contact-info-card {
  display: flex;
  gap: 18px;
  background: var(--color-off-white);
  border-radius: var(--radius);
  padding: 24px 26px;
}
.contact-info-card .icon { width: 24px; height: 24px; color: var(--color-gold); flex-shrink: 0; margin-top: 2px; }
.contact-info-card h4 { font-size: 0.98rem; font-weight: 600; margin-bottom: 6px; }
.contact-info-card p { font-size: 0.9rem; color: var(--color-text-muted); }
.contact-info-card a:hover { color: var(--color-gold); }

.btn-whatsapp {
  background: #25d366;
  color: var(--color-white);
  margin-top: 4px;
}
.btn-whatsapp:hover { background: #1fb959; transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* =========================================================
   14. PROJE DETAY SAYFASI (proje-detay.html)
   ========================================================= */
.pd-not-found { padding: 140px 0 120px; text-align: center; }
.pd-not-found h2 { font-size: 1.8rem; font-weight: 700; margin-bottom: 14px; }
.pd-not-found p { color: var(--color-text-muted); margin-bottom: 26px; }

.pd-gallery-section { padding: 60px 0 0; }
.pd-gallery-main {
  height: 440px;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 16px;
  box-shadow: var(--shadow-md);
}
.pd-gallery-main img { width: 100%; height: 100%; object-fit: cover; display: block; }
.pd-gallery-thumbs { display: flex; gap: 12px; flex-wrap: wrap; }
.pd-gallery-thumbs img {
  width: 110px;
  height: 80px;
  object-fit: cover;
  border-radius: 8px;
  cursor: pointer;
  opacity: 0.65;
  transition: opacity var(--transition), box-shadow var(--transition);
}
.pd-gallery-thumbs img:hover { opacity: 0.9; }
.pd-gallery-thumbs img.active { opacity: 1; box-shadow: 0 0 0 3px var(--color-gold); }

.pd-content { padding: 70px 0 100px; }
.pd-content-grid { display: grid; grid-template-columns: 1fr 320px; gap: 60px; align-items: start; }
.pd-main h2 { font-size: 1.5rem; font-weight: 700; margin-bottom: 16px; }
.pd-main p { color: var(--color-text-muted); font-size: 1.02rem; line-height: 1.7; margin-bottom: 16px; }
.pd-main h3 { font-size: 1.15rem; font-weight: 600; margin: 34px 0 18px; }
.pd-scope { display: grid; gap: 12px; }
.pd-scope li {
  position: relative;
  padding-left: 22px;
  color: var(--color-navy);
  font-size: 0.95rem;
}
.pd-scope li::before {
  content: '';
  position: absolute;
  left: 0; top: 8px;
  width: 8px; height: 8px;
  background: var(--color-gold);
  border-radius: 50%;
}

.pd-sidebar { display: flex; flex-direction: column; gap: 20px; }
.pd-info-card { background: var(--color-off-white); border-radius: var(--radius); padding: 28px 26px; }
.pd-info-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 18px; }
.pd-info-list { display: flex; flex-direction: column; gap: 14px; margin-bottom: 22px; }
.pd-info-list li { display: flex; align-items: flex-start; gap: 10px; }
.pd-info-list .icon { width: 18px; height: 18px; color: var(--color-gold); flex-shrink: 0; margin-top: 2px; }
.pd-info-list span { display: flex; flex-direction: column; font-size: 0.82rem; color: var(--color-text-muted); }
.pd-info-list strong { color: var(--color-navy); font-size: 0.95rem; font-weight: 600; }

/* Hizmet detay sayfası: "Aynı Kategorideki Diğer Hizmetler" listesi */
.hd-related-list { display: flex; flex-direction: column; gap: 12px; }
.hd-related-list a {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-navy);
  transition: color var(--transition);
}
.hd-related-list a:hover { color: var(--color-gold); }
.hd-related-list .icon { width: 14px; height: 14px; color: var(--color-gold); flex-shrink: 0; }

/* SSS (proje kategorisine göre) */
.pd-faq-section { padding: 90px 0 100px; }
.pd-faq { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.pd-faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.pd-faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  color: var(--color-navy);
}
.pd-faq-item summary::-webkit-details-marker { display: none; }
.pd-faq-item[open] .accordion-arrow { transform: rotate(180deg); }
.pd-faq-item p { padding: 0 24px 22px; color: var(--color-text-muted); font-size: 0.95rem; line-height: 1.6; }

/* =========================================================
   15. RESPONSIVE / MOBİL UYUM
   ========================================================= */

/* Tablet */
@media (max-width: 992px) {
  .hero-split { grid-template-columns: 1fr; gap: 36px; }
  .hero-content { max-width: none; }
  .hero-media-frame { order: -1; }
  .hero-media { height: 320px; }

  .pd-content-grid { grid-template-columns: 1fr; }
  .pd-gallery-main { height: 320px; }

  .about-inner { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .story-inner { grid-template-columns: 1fr; }
  .story-image { min-height: 280px; }
  .vm-grid { grid-template-columns: 1fr; }
  .stats-band-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .accordion-intro { padding-left: 30px; }
  .accordion-body { flex-direction: column; padding-left: 30px; }
  .accordion-list { grid-template-columns: 1fr; }
  .accordion-photo { flex-basis: auto; width: 100%; }
  .accordion-photo img { height: 200px; }
}

/* Mobil menü kırılım noktası */
@media (max-width: 860px) {
  .nav-toggle { display: block; z-index: 1100; }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(78%, 320px);
    background: var(--color-navy);
    padding: 100px 32px 40px;
    transform: translateX(100%);
    transition: transform 0.35s ease;
    box-shadow: -10px 0 30px rgba(0,0,0,0.25);
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: 28px; }
  .main-nav a { color: var(--color-white); font-size: 1.15rem; }

  .header-actions .btn-primary.btn-sm { display: none; } /* mobilde CTA menü içine taşınabilir; sadeleştirildi */
}

@media (max-width: 640px) {
  .hero { padding-top: 90px; padding-bottom: 40px; min-height: auto; text-align: left; }
  .hero-media { height: 220px; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { width: 100%; }

  .pd-gallery-main { height: 220px; }
  .pd-gallery-thumbs img { width: 84px; height: 62px; }

  .trust-badges { gap: 18px 24px; }

  .about, .services, .process { padding: 64px 0; }

  .process-track { flex-direction: column; gap: 40px; }
  .process-track::before { display: none; }

  .footer-grid { grid-template-columns: 1fr; padding: 56px 24px 40px; }
  .footer-bottom-inner { flex-direction: column; text-align: center; }

  .whatsapp-float { width: 50px; height: 50px; bottom: 18px; right: 18px; }
  .whatsapp-float .icon { width: 26px; height: 26px; }

  .page-hero { padding: 130px 0 50px; }
  .cta-banner-inner { flex-direction: column; align-items: flex-start; }

  .accordion-category summary { padding: 22px; }
  .accordion-head { gap: 14px; }
  .accordion-intro { padding: 0 22px 18px 22px; }
  .accordion-body { padding: 0 22px 24px 22px; }

  .contact-form { grid-template-columns: 1fr; }
  .map-section iframe { height: 280px; }
}