/* ==========================================================================
   PRO MESSEBAU – Ana Stil Dosyası
   Bölümler:
   1. Değişkenler (renkler, ölçüler)
   2. Reset & Temel
   3. Header / Navigasyon
   4. Hero
   5. Kartlar (servis, özellik, istatistik)
   6. Süreç adımları
   7. Portföy
   8. Teklif formu
   9. Footer
   10. Responsive
   ========================================================================== */

/* 1. DEĞİŞKENLER ---------------------------------------------------------- */
:root {
  --navy:        #12203f;   /* koyu lacivert - header ve hero */
  --navy-deep:   #0d1830;   /* footer alt bandı */
  --navy-text:   #1c2b4a;   /* başlık metni */
  --orange:      #e8622a;   /* vurgu rengi */
  --orange-dark: #cf5320;
  --card-top:    #f4f5f7;   /* kart gradyan üstü */
  --card-bottom: #e6e8ec;   /* kart gradyan altı */
  --body-bg:     #ffffff;
  --text:        #23303f;
  --muted:       #5d6b7d;
  --line:        #d8dde4;

  --wrap: 1280px;
  --radius: 6px;
  --shadow: 0 2px 6px rgba(18, 32, 63, .12);
}

/* 2. RESET & TEMEL -------------------------------------------------------- */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--body-bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }

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

.section { padding: 64px 0; }
.section--tight { padding: 40px 0; }

/* Klavye erişilebilirliği */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 2px;
}

/* 3. HEADER --------------------------------------------------------------- */
.site-header {
  background: var(--navy);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 74px;
}

.logo { display: flex; align-items: center; gap: 12px; }
.logo svg { width: 38px; height: 38px; flex: none; }
.logo img.logo-icon { width: auto; height: 40px; flex: none; }
.logo-text {
  color: #fff;
  font-weight: 800;
  font-size: 19px;
  line-height: 1.05;
  letter-spacing: .3px;
  text-transform: uppercase;
}
.logo-text span { display: block; }

.main-nav { margin-left: auto; }
.main-nav ul { display: flex; gap: 30px; }
.main-nav a {
  color: #fff;
  font-size: 15px;
  letter-spacing: .6px;
  text-transform: uppercase;
  padding: 6px 0;
  display: inline-block;
  border-bottom: 2px solid transparent;
}
.main-nav a:hover { color: #ffb08a; }
.main-nav a.is-active {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* Dil seçici */
.lang { display: flex; gap: 6px; }
.lang a {
  width: 34px; height: 30px;
  display: grid; place-items: center;
  border: 1px solid rgba(255,255,255,.45);
  border-radius: 4px;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
}
.lang a.is-active { background: var(--orange); border-color: var(--orange); }

/* Mobil menü butonu */
.nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: 1px solid rgba(255,255,255,.4);
  border-radius: 4px;
  padding: 8px 10px;
  cursor: pointer;
}
.nav-toggle span {
  display: block; width: 20px; height: 2px;
  background: #fff; margin: 4px 0;
}

/* 4. HERO ----------------------------------------------------------------- */
.hero {
  position: relative;
  background: var(--navy);
  color: #fff;
  text-align: center;
  padding: 90px 0 120px;
  overflow: hidden;
}

/* Görsellerdeki sağ alt turuncu yay */
.hero::after {
  content: "";
  position: absolute;
  right: -170px;
  bottom: -230px;
  width: 520px; height: 520px;
  border-radius: 50%;
  background: var(--orange);
  opacity: .9;
}
.hero .wrap { position: relative; z-index: 2; }

.hero h1 {
  margin: 0 0 10px;
  font-size: 54px;
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -.5px;
}
.hero p {
  margin: 0 auto;
  max-width: 760px;
  font-size: 20px;
  color: #dfe5ee;
}

/* Anasayfa hero: fotoğraf arka planlı */
.hero--photo {
  padding: 130px 0 150px;
  background:
    linear-gradient(rgba(10,16,32,.62), rgba(10,16,32,.72)),
    var(--navy);
  background-size: cover;
  background-position: center;
}
.hero--photo::after { display: none; }
.hero--photo h1 { font-size: 46px; max-width: 900px; margin-inline: auto; }

.btn {
  display: inline-block;
  background: var(--orange);
  color: #fff;
  font-size: 17px;
  font-weight: 600;
  padding: 14px 30px;
  border: 0;
  border-radius: 4px;
  cursor: pointer;
  transition: background .18s ease;
}
.btn:hover { background: var(--orange-dark); }
.btn--block { display: block; width: 100%; font-size: 19px; padding: 15px; }
.hero .btn { margin-top: 26px; }

/* Hero ile çakışan kart şeridi (anasayfa) */
.feature-strip {
  margin-top: -70px;
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 20px;
  text-align: center;
}
.feature-card h3 {
  margin: 0 0 14px;
  font-size: 19px;
  font-weight: 600;
  color: var(--navy-text);
}
.feature-card .icon-box {
  height: 120px;
  display: grid;
  place-items: center;
  margin-bottom: 14px;
}
.feature-card .icon-box svg { width: 96px; height: 96px; }
.feature-card .icon-box img { max-width: 100%; max-height: 120px; width: auto; height: auto; }
.feature-card p { margin: 0; font-size: 15px; color: var(--muted); }

/* 5. BÖLÜM BAŞLIKLARI ----------------------------------------------------- */
.section-head { text-align: center; margin-bottom: 38px; }
.section-head h2 {
  margin: 0 0 8px;
  font-size: 36px;
  font-weight: 800;
  color: var(--navy-text);
}
.section-head p { margin: 0; font-size: 18px; color: var(--muted); }

/* Hero'nun içine giren başlık (hizmet/hakkımızda sayfaları) */
.page-hero { padding-bottom: 150px; }

/* 6. SERVİS KARTLARI ------------------------------------------------------ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card-grid--2 { grid-template-columns: repeat(2, 1fr); }
.card-grid--3 { grid-template-columns: repeat(3, 1fr); }

.service-card {
  background: linear-gradient(180deg, var(--card-top), var(--card-bottom));
  border-top: 4px solid var(--orange);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 24px 26px;
}
.service-card__head {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 86px;
}
.service-card__head svg,
.service-card__head img { width: 62px; height: 62px; flex: none; }
.service-card h3 {
  margin: 0;
  font-size: 21px;
  font-weight: 600;
  color: var(--navy-text);
  line-height: 1.25;
}
.service-card ul {
  margin-top: 18px;
  padding-left: 20px;
  list-style: disc;
}
.service-card li { margin-bottom: 6px; font-size: 16px; }

/* Hero'ya taşan kart bloğu (hizmet sayfası) */
.cards-overlap { margin-top: -110px; position: relative; z-index: 5; }

/* 7. HAKKIMIZDA – harita + istatistik ------------------------------------ */
.about-layout {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 34px;
  align-items: start;
}
.map-box { padding-top: 10px; }

.info-card {
  background: linear-gradient(180deg, var(--card-top), var(--card-bottom));
  border-top: 4px solid var(--orange);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}
.info-card__head { display: flex; align-items: center; gap: 12px; }
.info-card__head svg,
.info-card__head img { width: 46px; height: 46px; flex: none; }
.info-card h3 { margin: 0; font-size: 19px; color: var(--navy-text); }
.info-card p { margin: 10px 0 0; font-size: 15px; color: var(--muted); }
.info-card__head img.flag { width: 34px; height: 24px; margin-left: auto; border-radius: 3px; }

.stat-card { text-align: center; }
.stat-card .stat-top {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  font-size: 34px; font-weight: 800; color: var(--navy-text);
}
.stat-card .stat-top svg,
.stat-card .stat-top img { width: 46px; height: 46px; }
.stat-card p { margin: 6px 0 0; font-size: 15px; }

.support-bar {
  margin-top: 24px;
  background: var(--orange);
  color: #fff;
  border-radius: var(--radius);
  padding: 22px 26px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: center;
}
.support-bar h3 { margin: 0; font-size: 22px; display: flex; align-items: center; gap: 14px; }
.support-bar h3 svg,
.support-bar h3 img { width: 52px; height: 52px; flex: none; }
.support-bar p { margin: 0; font-size: 16px; }

/* 8. SÜREÇ ADIMLARI ------------------------------------------------------- */
.step-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.step {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 22px;
  text-align: center;
  background: #fff;
}
.step .circle {
  width: 74px; height: 74px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: #e7eef6;
  display: grid; place-items: center;
}
.step .circle svg,
.step .circle img { width: 38px; height: 38px; }
.step h3 {
  margin: 0 0 8px;
  font-size: 16px;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: var(--navy-text);
}
.step p { margin: 0; font-size: 14px; color: var(--muted); }

/* 9. PORTFÖY -------------------------------------------------------------- */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 100px;
  gap: 8px;
}
.project {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  background: #24405c;
  display: block;
}
.project.is-big { grid-column: span 2; grid-row: span 2; }
.project img { width: 100%; height: 100%; object-fit: cover; }
.project__caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 10px 12px;
  background: linear-gradient(transparent, rgba(6,14,28,.85));
  color: #fff;
}
.project__caption strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .4px;
  text-transform: uppercase;
}
.project__caption span { font-size: 11px; opacity: .85; text-transform: uppercase; }

.filter-bar {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  align-items: flex-end;
  justify-content: center;
}
.filter-group h4 {
  margin: 0 0 8px;
  font-size: 15px;
  letter-spacing: .6px;
  text-transform: uppercase;
  color: var(--navy-text);
}
.filter-group .row { display: flex; gap: 10px; flex-wrap: wrap; }
.chip {
  background: #2c4a66;
  color: #fff;
  border: 0;
  border-radius: 3px;
  padding: 8px 18px;
  font-size: 14px;
  cursor: pointer;
}
.chip.is-active { background: var(--orange); }

select, input, textarea {
  font: inherit;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 10px 12px;
  width: 100%;
}
.load-more { display: block; margin: 26px auto 0; background: #2c4a66; color: #fff; }

/* 10. TEKLİF FORMU -------------------------------------------------------- */
.quote-layout {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 40px;
  align-items: start;
}
.form-step { display: flex; gap: 14px; margin-bottom: 22px; }
.form-step__no {
  width: 30px; height: 30px; flex: none;
  border-radius: 50%;
  background: var(--orange);
  color: #fff;
  display: grid; place-items: center;
  font-weight: 700; font-size: 15px;
}
.form-step__body { flex: 1; }
.form-step__body h3 {
  margin: 2px 0 12px;
  font-size: 22px;
  color: var(--navy-text);
  font-weight: 600;
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
.field-row--3 { grid-template-columns: repeat(3, 1fr); }
.checks { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-bottom: 14px; }
.checks label { display: flex; align-items: center; gap: 7px; font-size: 15px; }
.checks input { width: auto; }
.form-note { text-align: center; font-size: 14px; color: var(--muted); margin: 10px 0 0; }

/* Spam botlarını yakalamak için görünmez alan; gerçek kullanıcılar görmez/dolduramaz. */
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.quote-side img { border: 1px solid var(--line); border-top: 4px solid var(--orange); border-radius: var(--radius); }
.contact-box {
  margin-top: 18px;
  border-left: 4px solid var(--orange);
  background: #f4f5f7;
  padding: 14px 16px;
  display: flex;
  gap: 12px;
  font-size: 14px;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.contact-box svg,
.contact-box img { width: 40px; height: 40px; flex: none; }

/* 11. FOOTER -------------------------------------------------------------- */
.site-footer { background: var(--navy); color: #fff; padding: 34px 0 0; margin-top: 60px; }
.footer-top {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 24px;
}
.footer-links { display: flex; gap: 26px; font-size: 15px; }
.footer-links a:hover { color: var(--orange); }
.socials { display: flex; gap: 16px; }
.socials a svg { width: 20px; height: 20px; fill: #fff; }
.socials a:hover svg { fill: var(--orange); }
.footer-contact { font-size: 15px; line-height: 1.9; }
.footer-contact b { display: inline-block; min-width: 78px; color: var(--orange); }
.footer-bottom {
  background: var(--navy-deep);
  text-align: right;
  font-size: 13px;
  padding: 12px 0;
}
.footer-bottom .wrap { display: flex; justify-content: flex-end; }

/* 12. RESPONSIVE ---------------------------------------------------------- */
@media (max-width: 1024px) {
  .feature-strip { grid-template-columns: repeat(2, 1fr); }
  .card-grid, .card-grid--3 { grid-template-columns: repeat(2, 1fr); }
  .step-grid { grid-template-columns: repeat(2, 1fr); }
  .about-layout, .quote-layout { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 40px; }
}

@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .main-nav {
    display: none;
    order: 3;
    width: 100%;
    margin: 0 0 14px;
  }
  .main-nav.is-open { display: block; }
  .main-nav ul { flex-direction: column; gap: 4px; }
  .main-nav a { padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,.12); width: 100%; }
  .header-inner { flex-wrap: wrap; padding-top: 12px; }
  .lang { order: 2; }

  .hero { padding: 60px 0 80px; }
  .hero h1, .hero--photo h1 { font-size: 30px; }
  .hero p { font-size: 17px; }
  .section-head h2 { font-size: 27px; }

  .feature-strip, .card-grid, .card-grid--2, .card-grid--3,
  .step-grid, .field-row, .field-row--3, .support-bar {
    grid-template-columns: 1fr;
  }
  .feature-strip { margin-top: -40px; }
  .cards-overlap { margin-top: -110px; }
  .portfolio-grid { grid-template-columns: 1fr; grid-auto-rows: 170px; }
  .project.is-big { grid-column: span 1; grid-row: span 1; }
  .footer-top { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}