/* ==========================================================================
   EKER TEKNİK — Site Geneli Stil
   ========================================================================== */

:root {
  --blue-900: #082249;
  --blue-800: #0d3f8f;
  --blue-700: #0d47a1;
  --blue-600: #1565c0;
  --blue-400: #2196f3;
  --blue-300: #4fc3f7;
  --blue-50:  #eef6fd;
  --ink:      #10213f;
  --ink-soft: #4c5b78;
  --white:    #ffffff;
  --bg:       #f5f9fd;
  --border:   #e2e9f4;
  --cta:      #ff7a1a;
  --cta-dark: #e05f00;
  --whatsapp: #25d366;
  --whatsapp-dark: #1eab52;
  --success:  #1f9d55;
  --radius-sm: 8px;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 10px -4px rgba(9, 30, 66, 0.15);
  --shadow: 0 14px 34px -14px rgba(9, 40, 90, 0.28);
  --shadow-lg: 0 24px 60px -20px rgba(9, 40, 90, 0.35);
  --container: 1180px;
  --header-h: 82px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }

html { overflow-x: hidden; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

h1, h2, h3, h4 { line-height: 1.22; margin: 0 0 .5em; font-weight: 800; color: var(--blue-900); }
h1 { font-size: clamp(2rem, 4.4vw, 2.9rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; color: var(--ink-soft); }

ul { margin: 0; padding: 0; list-style: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--blue-800);
  color: #fff;
  padding: 10px 18px;
  z-index: 999;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

section { padding: 64px 0; }
.section-tight { padding: 40px 0; }
.section-alt { background: var(--white); }

.section-head { max-width: 720px; margin: 0 auto 42px; text-align: center; }
.section-head .eyebrow { display: inline-block; color: var(--blue-600); font-weight: 700; letter-spacing: .04em; text-transform: uppercase; font-size: .82rem; margin-bottom: 10px; }
.section-head p { font-size: 1.05rem; }

.icon { width: 30px; height: 30px; color: var(--blue-600); }
.icon-sm { width: 20px; height: 20px; }
.icon-xs { width: 16px; height: 16px; flex: none; }

/* ---------------- Buttons ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: .98rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--white); color: var(--blue-800); box-shadow: var(--shadow-sm); }
.btn-primary:hover { box-shadow: var(--shadow); }
.btn-call { background: var(--cta); color: #fff; box-shadow: 0 10px 24px -10px rgba(255, 122, 26, .55); }
.btn-call:hover { background: var(--cta-dark); }
.btn-whatsapp { background: var(--whatsapp); color: #fff; }
.btn-whatsapp:hover { background: var(--whatsapp-dark); }
.btn-outline { background: transparent; border-color: rgba(255,255,255,.55); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,.12); }
.btn-outline-blue { background: transparent; border-color: var(--blue-700); color: var(--blue-700); }
.btn-outline-blue:hover { background: var(--blue-50); }
.btn-block { width: 100%; }
.btn .icon-sm { color: currentColor; }

/* ---------------- Header ---------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .2s ease;
}
.site-header.is-scrolled { box-shadow: var(--shadow-sm); }

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: var(--header-h);
}
.logo { flex: none; display: flex; align-items: center; }
.logo img { height: 52px; width: auto; }

.main-nav { flex: 1; }
.main-nav > ul { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  display: block;
  padding: 10px 14px;
  font-weight: 600;
  color: var(--ink);
  border-radius: 10px;
  font-size: .96rem;
}
.main-nav a:hover, .main-nav a.active { color: var(--blue-700); background: var(--blue-50); }
.main-nav .caret { font-size: .7em; margin-left: 2px; }

.has-dropdown { position: relative; }
.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 260px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity .16s ease, transform .16s ease, visibility .16s;
}
.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.dropdown a { padding: 10px 12px; border-radius: 8px; font-weight: 500; }
.dropdown a:hover { background: var(--blue-50); color: var(--blue-700); }

.header-actions { flex: none; display: flex; align-items: center; gap: 12px; }
.header-call { padding: 11px 20px; }

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  cursor: pointer;
}
.hamburger span { width: 20px; height: 2px; margin: 0 auto; background: var(--ink); border-radius: 2px; transition: transform .2s ease, opacity .2s ease; }
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------------- Breadcrumbs ---------------- */
.breadcrumbs { background: var(--white); border-bottom: 1px solid var(--border); }
.breadcrumbs ol { max-width: var(--container); margin: 0 auto; padding: 12px 20px; display: flex; flex-wrap: wrap; gap: 6px; font-size: .87rem; color: var(--ink-soft); }
.breadcrumbs li:not(:last-child)::after { content: "/"; margin-left: 6px; color: #b9c4d6; }
.breadcrumbs li { display: inline-flex; gap: 6px; }
.breadcrumbs a { color: var(--blue-700); font-weight: 600; }
.breadcrumbs a:hover { text-decoration: underline; }

/* ---------------- Hero ---------------- */
.hero {
  position: relative;
  background: linear-gradient(155deg, var(--blue-900) 0%, var(--blue-700) 55%, var(--blue-600) 100%);
  color: #fff;
  overflow: hidden;
  padding: 76px 0 90px;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 85% 20%, rgba(79,195,247,.35), transparent 45%),
                     radial-gradient(circle at 10% 90%, rgba(79,195,247,.18), transparent 40%);
  pointer-events: none;
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center; }
.hero-inner > * { min-width: 0; }
.hero h1 { color: #fff; margin-bottom: .45em; }
.hero .lead { color: rgba(255,255,255,.88); font-size: 1.12rem; max-width: 560px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px 18px; margin: 22px 0 30px; }
.hero-badges li { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: .92rem; color: rgba(255,255,255,.92); }
.hero-badges .icon-sm { color: var(--blue-300); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-panel {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius-lg);
  padding: 28px;
  backdrop-filter: blur(6px);
}
.hero-panel h3 { color: #fff; margin-bottom: 14px; }
.hero-panel ul li { display: flex; gap: 10px; align-items: flex-start; padding: 9px 0; border-top: 1px solid rgba(255,255,255,.14); color: rgba(255,255,255,.9); font-size: .95rem; }
.hero-panel ul li:first-child { border-top: none; }
.hero-panel .icon-sm { color: var(--blue-300); margin-top: 2px; flex: none; }

.page-hero {
  background: linear-gradient(155deg, var(--blue-900), var(--blue-700));
  color: #fff;
  padding: 54px 0 68px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 90% 10%, rgba(79,195,247,.3), transparent 45%);
}
.page-hero .container { position: relative; }
.page-hero h1 { color: #fff; margin-bottom: .35em; }
.page-hero p { color: rgba(255,255,255,.88); max-width: 680px; font-size: 1.05rem; }
.page-hero .hero-actions { margin-top: 22px; }

/* ---------------- Trust strip ---------------- */
.trust-strip { background: var(--white); border-bottom: 1px solid var(--border); padding: 22px 0; }
.trust-strip ul { display: flex; flex-wrap: wrap; justify-content: center; gap: 28px; }
.trust-strip li { display: flex; align-items: center; gap: 9px; font-weight: 700; font-size: .92rem; color: var(--blue-800); }
.trust-strip .icon-sm { color: var(--cta); }

/* ---------------- Cards / Grids ---------------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: var(--shadow-sm);
  transition: transform .18s ease, box-shadow .18s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }

.service-card { display: flex; flex-direction: column; padding: 0; overflow: hidden; }
.service-card .card-media { aspect-ratio: 3 / 2; overflow: hidden; background: var(--blue-50); }
.service-card .card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .25s ease; }
.service-card .card-media-empty { width: 100%; height: 100%; background: linear-gradient(135deg, var(--blue-50), #dbe9fb); }
.service-card:hover .card-media img { transform: scale(1.05); }
.service-card .card-body { padding: 26px; display: flex; flex-direction: column; flex: 1; }
.service-card .icon-wrap {
  width: 56px; height: 56px; border-radius: 16px;
  background: var(--blue-50);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
  margin-top: -54px;
  border: 3px solid var(--white);
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-sm);
}
.service-card h3 a { color: var(--blue-900); }
.service-card h3 a:hover { color: var(--blue-700); }
.service-card p { flex: 1; }
.service-card .card-link { font-weight: 700; color: var(--blue-700); display: inline-flex; align-items: center; gap: 6px; margin-top: 6px; }
.service-card .card-link:hover { text-decoration: underline; }

.feature-card { text-align: left; }
.feature-card .icon-wrap { width: 50px; height: 50px; border-radius: 14px; background: var(--blue-50); display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.feature-card h3 { font-size: 1.08rem; margin-bottom: 6px; }
.feature-card p { margin: 0; font-size: .95rem; }

/* ---------------- Process steps ---------------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.step { position: relative; padding: 26px 22px 22px; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); }
.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute; top: -16px; left: 22px;
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--cta); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: .95rem;
  box-shadow: 0 6px 14px -4px rgba(255,122,26,.6);
}
.step h3 { margin-top: 10px; font-size: 1.02rem; }
.step p { font-size: .93rem; margin: 0; }

/* ---------------- CTA band ---------------- */
.cta-band {
  background: linear-gradient(120deg, var(--blue-700), var(--blue-600));
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}
.cta-band h2 { color: #fff; margin-bottom: 6px; }
.cta-band p { color: rgba(255,255,255,.88); margin: 0; }
.cta-band .hero-actions { flex-wrap: wrap; }

/* ---------------- Service detail layout ---------------- */
.service-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; align-items: start; }
.service-layout > * { min-width: 0; }
.service-main h2 { margin-top: 1.4em; }
.service-main h2:first-child { margin-top: 0; }
.service-featured-image { border-radius: var(--radius); overflow: hidden; margin-bottom: 30px; box-shadow: var(--shadow); }
.service-featured-image img { width: 100%; max-height: 420px; object-fit: cover; display: block; }
.check-list li { display: flex; gap: 10px; align-items: flex-start; padding: 8px 0; }
.check-list .icon-sm { color: var(--success); margin-top: 3px; flex: none; }

.sidebar-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow-sm); margin-bottom: 22px; }
.sidebar-card h3 { font-size: 1.05rem; margin-bottom: 14px; }
.sidebar-card .btn { margin-bottom: 10px; }
.sidebar-list li { padding: 9px 0; border-top: 1px solid var(--border); font-size: .93rem; }
.sidebar-list li:first-child { border-top: none; }
.sidebar-list a { font-weight: 600; color: var(--blue-800); }
.sidebar-list a:hover { color: var(--blue-600); }
.sidebar-list a.active { color: var(--cta); }

/* ---------------- FAQ (details/summary) ---------------- */
.faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 22px;
  font-weight: 700;
  color: var(--blue-900);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--blue-600);
  flex: none;
  transition: transform .2s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-answer { padding: 0 22px 20px; margin: 0; color: var(--ink-soft); }

/* ---------------- Contact ---------------- */
.contact-single { max-width: 760px; margin: 0 auto; }
.contact-info-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow-sm); }
.contact-info-card ul { display: flex; flex-direction: column; gap: 16px; margin: 20px 0; }
.contact-info-card ul li { display: flex; gap: 12px; align-items: flex-start; }
.contact-info-card .icon { color: var(--blue-700); flex: none; }
.map-embed { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); margin-top: 20px; }
.map-embed iframe { width: 100%; height: 320px; border: 0; display: block; }
.field-hint { font-size: .8rem; color: #8592ab; margin-top: 5px; }

/* ---------------- About / values ---------------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; align-items: center; }
.split > * { min-width: 0; }
.split img { border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.value-list { display: flex; flex-direction: column; gap: 18px; margin-top: 22px; }
.value-list li { display: flex; gap: 14px; align-items: flex-start; }
.value-list .icon { color: var(--cta); flex: none; }
.value-list h3 { font-size: 1.02rem; margin-bottom: 3px; }
.value-list p { margin: 0; font-size: .93rem; }

/* ---------------- District chips ---------------- */
.chip-list { display: flex; flex-wrap: wrap; gap: 10px; }
.chip-list li { background: var(--blue-50); color: var(--blue-800); font-weight: 600; font-size: .88rem; padding: 8px 16px; border-radius: 999px; border: 1px solid #d9e8fa; }

/* ---------------- Footer ---------------- */
.site-footer { background: var(--blue-900); color: rgba(255,255,255,.82); margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 36px; padding: 60px 20px 40px; }
.footer-col h3 { color: #fff; font-size: 1rem; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: rgba(255,255,255,.78); font-size: .93rem; }
.footer-col a:hover { color: #fff; }
.footer-brand img { height: 44px; width: auto; margin-bottom: 14px; filter: brightness(0) invert(1); opacity: .95; }
.footer-brand p { color: rgba(255,255,255,.68); font-size: .9rem; }
.social-links { display: flex; gap: 14px; margin-top: 10px; }
.social-links a { font-weight: 700; }
.footer-contact { gap: 14px !important; }
.footer-contact li { display: flex; align-items: flex-start; gap: 10px; font-size: .92rem; color: rgba(255,255,255,.8); }
.footer-contact .icon-xs { color: var(--blue-300); margin-top: 3px; }
.footer-region { font-size: .86rem; color: rgba(255,255,255,.65); margin-top: 14px; }

.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 18px 0; }
.footer-bottom-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: .82rem; color: rgba(255,255,255,.62); }

/* ---------------- Floating buttons ---------------- */
.float-whatsapp {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--whatsapp);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 26px -8px rgba(37,211,102,.65);
  z-index: 90;
  transition: transform .15s ease;
}
.float-whatsapp:hover { transform: scale(1.07); background: var(--whatsapp-dark); }
.float-whatsapp .icon { width: 28px; height: 28px; }

.mobile-cta-bar { display: none; }

/* ---------------- Misc pages: 404 / privacy ---------------- */
.error-page { text-align: center; padding: 100px 20px; }
.error-page .code { font-size: 5rem; font-weight: 900; color: var(--blue-700); margin: 0; }
.legal-content h2 { margin-top: 1.6em; }
.legal-content { max-width: 820px; margin: 0 auto; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1080px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-panel { order: -1; }
  .service-layout { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .split.reverse .split-media { order: -1; }
}

@media (max-width: 840px) {
  .main-nav, .header-call { display: none; }
  .hamburger { display: flex; }

  .main-nav {
    flex: none;
    display: block;
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    height: calc(100vh - var(--header-h));
    background: #fff;
    padding: 10px 20px 30px;
    overflow-y: auto;
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .18s ease, transform .18s ease, visibility .18s;
    z-index: 150;
    box-shadow: 0 16px 30px -10px rgba(9,30,66,.2);
  }
  .main-nav.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
  .main-nav > ul { flex-direction: column; align-items: stretch; gap: 2px; }
  .main-nav a { padding: 14px 12px; font-size: 1.02rem; border-bottom: 1px solid var(--border); border-radius: 0; }
  .dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; display: none; padding: 0 0 0 14px; }
  .has-dropdown.is-open .dropdown { display: block; }
  .has-dropdown > a .caret { float: right; }

  .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-band { flex-direction: column; text-align: center; padding: 32px 24px; }

  .mobile-cta-bar {
    display: flex;
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 95;
    box-shadow: 0 -8px 24px -10px rgba(9,30,66,.25);
    padding-bottom: env(safe-area-inset-bottom, 0);
  }
  .mobile-cta-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 15px 10px;
    font-weight: 700;
    color: #fff;
    font-size: .95rem;
  }
  .mobile-cta-btn.call { background: var(--cta); }
  .mobile-cta-btn.wa { background: var(--whatsapp); }
  .float-whatsapp { display: none; }
  body { padding-bottom: 62px; }
}

@media (max-width: 620px) {
  .footer-grid { grid-template-columns: 1fr; padding: 44px 20px 30px; }
  section { padding: 46px 0; }
  .hero { padding: 50px 0 60px; }
  .cta-band .hero-actions .btn { width: 100%; }
  .cta-band .hero-actions { width: 100%; }
}