/* ============================================
   SETTAMEP Design System — style.css
   Modern Light Industrial
   ============================================ */

/* ── Tokens ── */
:root {
  --navy:   #102846;
  --blue:   #1f3e6d;
  --steel:  #5d6874;
  --soft:   #d8e0e9;
  --warm:   #ccd4e0;
  --white:  #ffffff;
  --ink:    #102846;
  --muted:  #4f6075;
  --line:   rgba(16,40,70,.22);

  --font:   'Manrope', Arial, Helvetica, sans-serif;
  --page-bg: #eef1f4;
  --radius-header:  28px;
  --radius-panel:   38px;
  --radius-card:    34px;
  --radius-pill:    999px;
  --radius-system:  30px;

  --shadow-header:  0 18px 70px rgba(16,40,70,.12);
  --shadow-btn:     0 22px 54px rgba(16,40,70,.22);
  --shadow-panel:   0 32px 110px rgba(16,40,70,.14);
  --shadow-metric:  0 28px 90px rgba(16,40,70,.10);
  --shadow-card:    0 30px 90px rgba(16,40,70,.12);
  --shadow-system:  0 24px 80px rgba(16,40,70,.10);

  --transition:     .25s ease;
  --container:      1460px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

/* Fixed header offset for in-page anchors */
[id] { scroll-margin-top: 140px; }

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

a { text-decoration: none; color: inherit; transition: var(--transition); }
img { display: block; max-width: 100%; }

/* ── Container ── */
.container-custom {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 44px;
  padding-right: 44px;
}

/* ── Typography ── */
.kicker, .eyebrow {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 18px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.kicker::before, .eyebrow::before {
  content: "";
  width: 34px;
  height: 2px;
  background: var(--blue);
}

.title-xl {
  font-size: clamp(46px, 5.6vw, 88px);
  line-height: 1;
  letter-spacing: -.03em;
  font-weight: 700;
  color: var(--navy);
}
.title-lg {
  font-size: clamp(36px, 4.4vw, 66px);
  line-height: 1.04;
  letter-spacing: -.025em;
  font-weight: 700;
  color: var(--navy);
}
.title-md {
  font-size: 38px;
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--navy);
}
.title-sm {
  font-size: 30px;
  line-height: 1.1;
  letter-spacing: -.015em;
  color: var(--navy);
}
.title-card {
  font-size: 36px;
  line-height: 1.05;
  letter-spacing: -.015em;
}
.subtitle {
  color: #40546c;
  font-size: 19px;
  line-height: 1.76;
}
.body-lg {
  font-size: 21px;
  line-height: 1.72;
  color: #314960;
}
.body-md {
  font-size: 18px;
  line-height: 1.82;
  color: #445970;
}
.body-sm {
  font-size: 14px;
  line-height: 1.65;
  color: #465b72;
}

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 17px 28px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  background: var(--navy);
  color: white;
  box-shadow: var(--shadow-btn);
  transition: var(--transition);
  border: none;
  cursor: pointer;
  font-family: var(--font);
}
.btn-primary:hover {
  transform: translateY(-3px);
  color: white;
  box-shadow: 0 28px 64px rgba(16,40,70,.28);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 17px 28px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--navy);
  background: var(--soft);
  border: 1px solid var(--line);
  transition: var(--transition);
  cursor: pointer;
  font-family: var(--font);
}
.btn-secondary:hover {
  background: var(--warm);
  color: var(--navy);
}

/* ── Language Switcher ── */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius-pill);
  padding: 4px 12px 4px 8px;
  cursor: pointer;
  color: white;
  font-family: var(--font);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
  transition: var(--transition);
  line-height: 1;
}
.lang-switch:hover {
  background: rgba(255,255,255,.22);
  border-color: rgba(255,255,255,.32);
  transform: translateY(-1px);
}
.lang-flag {
  font-size: 14px;
  line-height: 1;
}
.lang-label {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .06em;
}

/* ── Google Translate — FULLY HIDDEN ── */
.goog-te-banner-frame,
.goog-te-balloon-frame,
#goog-gt-tt,
.goog-te-gadget,
.goog-te-combo,
.goog-te-spinner-pos,
.goog-tooltip,
.goog-tooltip:hover,
.goog-text-highlight,
#google_translate_element {
  display: none !important;
  visibility: hidden !important;
  height: 0 !important;
  overflow: hidden !important;
}
body { top: 0 !important; }
.skiptranslate { display: none !important; height: 0 !important; }
.goog-te-banner-frame.skiptranslate { display: none !important; }
iframe.goog-te-banner-frame { display: none !important; }

/* ── Header ── */
.header {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  width: min(1460px, calc(100% - 52px));
  z-index: 1000;
}
/* Logo ayrı ve büyük; menü sağda kendi cam kutusunda */
.nav-shell,
.header.scrolled .logo {
  background: rgba(235,239,243,.88);
  backdrop-filter: blur(22px) saturate(150%);
  -webkit-backdrop-filter: blur(22px) saturate(150%);
  border: 1px solid rgba(255,255,255,.45);
  border-radius: var(--radius-header);
  box-shadow: 0 18px 70px rgba(16,40,70,.12);
}
.nav-shell {
  display: flex;
  align-items: center;
  padding: 16px 26px;
  transition: var(--transition);
}
.header.scrolled .nav-shell { background: rgba(235,239,243,.96); box-shadow: 0 24px 80px rgba(16,40,70,.18); }

/* ── Dropdown Menu ── */
.nav-dropdown {
  position: relative;
}
.dropdown-arrow {
  font-size: 9px;
  opacity: .6;
  margin-left: 2px;
  transition: var(--transition);
}
.nav-dropdown:hover .dropdown-arrow {
  transform: rotate(180deg);
}
.dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(18px);
  border-radius: 16px;
  padding: 12px 0;
  min-width: 200px;
  box-shadow: 0 12px 40px rgba(16,40,70,.12);
  border: 1px solid rgba(16,40,70,.06);
  list-style: none;
  opacity: 0;
  transform: translateX(-50%) translateY(6px);
  transition: opacity .2s ease, transform .2s ease;
}
/* Invisible bridge to cover the gap between link and dropdown */
.dropdown-menu::before {
  content: "";
  position: absolute;
  top: -16px;
  left: 0;
  right: 0;
  height: 16px;
}
.dropdown-menu li a {
  display: block;
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--steel);
  transition: var(--transition);
}
.dropdown-menu li a:hover {
  background: var(--soft);
  color: var(--navy);
}
.nav-dropdown:hover .dropdown-menu {
  display: block;
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
/* .nav-links öneki: mobil ve koyu mod menü kurallarını ezmek için */
.nav-links .dropdown-menu li a.dropdown-label {
  padding: 14px 20px 6px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--blue);
  opacity: 1;
}
.nav-links .dropdown-menu li a.dropdown-label:hover { background: none; color: var(--navy); }
@media (max-width: 1199px) {
  .nav-links .dropdown-menu li a.dropdown-label { padding: 12px 14px 4px; }
}
/* Proje adları çoğunlukla İngilizce; TR büyük harf dönüşümü "RESİDENCE" üretir */
.nav-links .dropdown-menu-projects li a:not(.dropdown-label) {
  white-space: normal;
  text-transform: none;
  letter-spacing: .01em;
}
@media (min-width: 1200px) {
  /* Kaydırılabilir menüde ::before köprüsü kırpılır; boşluğu üst öğe kapatır */
  .nav-dropdown::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    height: 16px;
  }
  .dropdown-menu-projects {
    min-width: 300px;
    max-width: 360px;
    max-height: min(70vh, 560px);
    overflow-y: auto;
  }
}
.header-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  min-width: 0;
  padding: 0;
  border: 1px solid transparent;
  transition: padding .3s ease, background .3s ease, box-shadow .3s ease;
}
.logo img { height: 112px; width: auto; object-fit: contain; transition: height .3s ease, filter .3s ease; }
.header.scrolled .logo { padding: 8px 18px; }
.header.scrolled .logo img { height: 50px; } /* kutu yüksekliği menüyle eşit */
/* Koyu zemin üstünde logo açık renge döner, lacivert ve kırmızı tonlar korunur */
.header-on-dark:not(.scrolled) .logo img,
body.dark-mode .logo img { filter: invert(1) hue-rotate(180deg) brightness(1.15); }
.nav-links { display: flex; align-items: center; gap: 26px; list-style: none; }
.nav-links a {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--navy);
  opacity: .82;
  white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active { opacity: 1; }

/* Utility buttons (theme + language) */
.nav-utils {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Mobile-only elements (hidden on desktop) */
.mobile-only { display: none; }

/* Mobile toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  margin: 6px 0;
  transition: var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ── Hero ── */
.hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 176px 44px 80px;
}
/* Mobile browsers: exclude collapsing URL bar from viewport height */
@supports (min-height: 100svh) {
  .hero { min-height: 100svh; }
}
.hero-media {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.hero-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.06);
  transition: opacity 1.2s ease, transform 7s ease-out;
  filter: saturate(1.05) contrast(1.03);
}
.hero-media img.active { opacity: 1; transform: scale(1); }

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(238,241,244,.80) 0%, rgba(238,241,244,.52) 34%, rgba(238,241,244,.04) 70%, rgba(238,241,244,.18) 100%),
    linear-gradient(180deg, rgba(238,241,244,0) 60%, var(--page-bg) 100%);
  z-index: 1;
}
.hero-inner {
  max-width: var(--container);
  margin: auto;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 80px;
  align-items: end;
  position: relative;
  z-index: 2;
  width: 100%;
}
.hero-copy { position: relative; z-index: 2; }
.hero-copy h1 { margin-bottom: 24px; }
.hero-copy .body-lg { margin-bottom: 32px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-slide-caption {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
  max-width: 100%;
  font-size: 14px;
  color: var(--navy);
}
.hero-slide-caption span {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--blue);
}
.hero-slide-caption span:empty { display: none; }
.hero-slide-caption strong {
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.hero-slide-caption svg { flex-shrink: 0; transition: var(--transition); }
.hero-slide-caption:hover svg { transform: translateX(4px); }

.hero-panel {
  background: rgba(255,255,255,.78);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,.5);
  border-radius: var(--radius-panel);
  padding: 34px;
  box-shadow: 0 32px 110px rgba(16,40,70,.14);
}
.hero-panel small {
  display: block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 14px;
}
.hero-panel h2 {
  font-size: 38px;
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--navy);
  margin-bottom: 14px;
}
.hero-panel p {
  font-size: 15px;
  line-height: 1.75;
  color: #43566e;
}

/* Hero Brand Name (in hero-copy) — masked with the actual logo wordmark so it always matches the logo exactly */
.hero-brand-name {
  display: block;
  width: clamp(240px, 30vw, 420px);
  aspect-ratio: 600 / 207;
  height: auto;
  background-color: var(--navy);
  -webkit-mask: url('../img/logo-wordmark.png') no-repeat center / contain;
  mask: url('../img/logo-wordmark.png') no-repeat center / contain;
  margin-bottom: 12px;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
  padding: 0;
  margin: -1px;
}

/* ── Side Gradient Strip ── */
.side-gradient {
  position: fixed;
  left: 0;
  top: 0;
  width: 6px;
  height: 100vh;
  background: linear-gradient(180deg, var(--navy) 0%, var(--blue) 30%, var(--steel) 60%, var(--warm) 100%);
  z-index: 1002;
  pointer-events: none;
}

/* ── Sections ── */
.section { padding: 120px 44px; }
.section-muted { background: transparent; }
.section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: start;
  margin-bottom: 56px;
}
.section-head .subtitle { max-width: 780px; }

/* ── Metrics ── */
.metrics { position: relative; isolation: isolate; overflow: hidden; padding: 80px 44px 80px; }
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(16,40,70,.14);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: 0 20px 70px rgba(16,40,70,.09);
}
.metric {
  background: rgba(255,255,255,.62);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 34px;
  border: 1px solid rgba(255,255,255,.4);
}
.metric span {
  color: var(--blue);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .24em;
  text-transform: uppercase;
  display: block;
}
.metric strong {
  color: var(--navy);
  font-size: 52px;
  line-height: 1;
  letter-spacing: -.02em;
  display: block;
  margin: 18px 0 12px;
}
.metric p {
  font-size: 14px;
  line-height: 1.65;
  color: #465b72;
}

/* ── About Grid ── */
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.about-item h3 {
  color: var(--navy);
  font-size: 30px;
  letter-spacing: -.015em;
  margin-bottom: 16px;
}
.about-item p {
  color: #445970;
  font-size: 17px;
  line-height: 1.82;
}

/* ── Partners Grid ── */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.partner-item {
  background: var(--white);
  border-radius: 20px;
  padding: 24px 16px 20px;
  text-align: center;
  border: 1px solid rgba(16,40,70,.07);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}
.partner-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 44px rgba(16,40,70,.10);
  border-color: rgba(16,40,70,.12);
}
.partner-logo {
  width: 140px;
  height: 60px;
  object-fit: contain;
  border-radius: 12px;
  margin-bottom: 12px;
  filter: grayscale(30%) brightness(1.02);
  opacity: .85;
  transition: all .3s ease;
}
.partner-item:hover .partner-logo {
  filter: grayscale(0) brightness(1);
  opacity: 1;
  transform: scale(1.08);
}
.partner-item strong {
  display: block;
  font-size: 13px;
  color: var(--navy);
  letter-spacing: -.01em;
  margin-bottom: 4px;
  font-weight: 800;
  line-height: 1.2;
}
.partner-item span {
  font-size: 11px;
  color: var(--steel);
  font-weight: 600;
  line-height: 1.3;
}
/* ── Project Cards ── */
.projects-showcase {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 28px;
}
.project-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}
.project-card.feature { min-height: 680px; }
.project-card.stack   { min-height: 326px; }
.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: 1s;
}
.project-card:hover img { transform: scale(1.06); }
.project-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(16,40,70,.78), rgba(16,40,70,.04));
  z-index: 1;
}
.card-info {
  position: absolute;
  left: 32px; right: 32px; bottom: 32px;
  color: white;
  z-index: 2;
}
.card-info .card-label {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: #dce9f8;
  display: block;
  margin-bottom: 8px;
}
.card-info h3 {
  font-size: 36px;
  line-height: 1.05;
  letter-spacing: -.015em;
  color: white;
  margin-bottom: 8px;
}
.card-info p {
  font-size: 14px;
  line-height: 1.6;
  color: #e6eef8;
}

/* ── Service Cards ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-system);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid var(--line);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
  border-color: rgba(16,40,70,.24);
}
.service-card-img {
  height: 220px;
  overflow: hidden;
}
.service-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: 1s;
}
.service-card:hover .service-card-img img { transform: scale(1.06); }
.service-card-body { padding: 28px; }
.service-card-body h3 {
  font-size: 24px;
  letter-spacing: -.01em;
  color: var(--navy);
  margin-bottom: 12px;
}
.service-card-body p {
  font-size: 15px;
  line-height: 1.72;
  color: #445970;
  margin-bottom: 20px;
}

/* ── Engineering / System Cards ── */
.engineering-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.system-card {
  min-height: 360px;
  border-radius: var(--radius-system);
  background: #8f9aa5;
  box-shadow: var(--shadow-system);
  overflow: hidden;
  position: relative;
}
.system-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(16,40,70,.72), rgba(16,40,70,.02));
}

/* ── CTA Section ── */
.cta-section {
  padding: 100px 44px;
  text-align: center;
  background: var(--soft);
}
.cta-glass {
  background: #ffffff;
  border: 1px solid rgba(16,40,70,.08);
  border-radius: var(--radius-panel);
  padding: 60px;
  box-shadow: 0 20px 60px rgba(16,40,70,.08);
  max-width: 800px;
  margin: 0 auto;
}
.cta-glass h2 {
  font-size: clamp(32px, 4vw, 52px);
  letter-spacing: -.02em;
  color: var(--navy);
  margin-bottom: 16px;
  font-weight: 800;
}
.cta-glass p {
  color: #43566e;
  font-size: 18px;
  line-height: 1.72;
  margin-bottom: 32px;
}

/* ── Footer ── */
.footer {
  background-color: #0b1c33;
  color: rgba(255,255,255,.75);
  padding: 80px 44px 32px;
  position: relative;
  border-top: 3px solid var(--blue);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1.4fr;
  gap: 50px;
  max-width: var(--container);
  margin: 0 auto;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.footer h4 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: white;
  margin-bottom: 22px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,.15);
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,.55);
  margin: 18px 0 24px;
  max-width: 340px;
}

.footer-brand img {
  height: 40px;
  filter: brightness(10);
}

/* Social Icons */
.footer-socials {
  display: flex;
  gap: 10px;
  margin-bottom: 28px;
}

.footer-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 4px;
  background: transparent;
  border: 1px solid rgba(255,255,255,.18);
  color: rgba(255,255,255,.65);
  transition: var(--transition);
}

.footer-social-link:hover {
  background: var(--blue);
  border-color: var(--blue);
  color: white;
}

/* Certifications Row */
.footer-certs {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.footer-cert-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: rgba(255,255,255,.55);
  border: 1px solid rgba(255,255,255,.2);
  padding: 5px 10px;
  border-radius: 4px;
}

/* Links List */
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links li {
  margin-bottom: 0;
}

.footer-links a {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,.6);
  transition: var(--transition);
}

.footer-links a:hover {
  color: white;
}

/* Newsletter Section */
.footer-newsletter-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  padding: 20px;
  margin-bottom: 24px;
}

.footer-newsletter-text {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255,255,255,.6);
  margin-bottom: 14px;
}

.footer-newsletter-form {
  display: flex;
  gap: 8px;
}

.footer-newsletter-input {
  flex: 1;
  min-width: 0;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 4px;
  padding: 12px 16px;
  font-size: 14px;
  color: white;
  outline: none;
  font-family: var(--font);
  transition: var(--transition);
}

.footer-newsletter-input:focus {
  border-color: var(--blue);
}

.footer-newsletter-btn {
  flex-shrink: 0;
  width: 44px;
  border-radius: 4px;
  background: var(--blue);
  border: 1px solid var(--blue);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.footer-newsletter-btn:hover {
  background: transparent;
  color: white;
}

/* Contact Grid */
.footer-contact-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-contact-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  color: white;
  transition: var(--transition);
}

.footer-contact-card.address-card {
  color: rgba(255, 255, 255, 0.9);
}

.footer-contact-card span {
  font-size: 13px;
  line-height: 1.4;
}

.footer-contact-card:hover {
  border-color: rgba(255,255,255,.35);
  background: rgba(255, 255, 255, 0.06);
}

.footer-card-icon {
  width: 36px;
  height: 36px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.8);
  flex-shrink: 0;
}

.footer-contact-card small {
  display: block;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 2px;
}

.footer-contact-card strong {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: white;
}

/* Back to top button */
.back-to-top-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 4px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.65);
  transition: var(--transition);
}

.back-to-top-btn:hover {
  background: var(--blue);
  border-color: var(--blue);
  color: white;
}

.footer-bottom {
  max-width: var(--container);
  margin: 24px auto 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: rgba(255,255,255,.4);
}

/* ── Page Hero (Sub pages) ── */
.page-hero {
  padding: 200px 44px 80px;
  position: relative;
  overflow: hidden;
  min-height: 400px;
  display: flex;
  align-items: flex-end;
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.page-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(16,40,70,.82), rgba(16,40,70,.3));
}
.page-hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--container);
  margin: 0 auto;
  width: 100%;
  color: white;
}
.page-hero-content .eyebrow { color: rgba(255,255,255,.7); }
.page-hero-content .eyebrow::before { background: rgba(255,255,255,.5); }
.page-hero-content h1 {
  font-size: clamp(36px, 5vw, 64px);
  letter-spacing: -.025em;
  font-weight: 800;
  color: white;
}

/* ── Forms ── */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 8px;
}
.form-control-custom {
  width: 100%;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  font-size: 15px;
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  transition: var(--transition);
  outline: none;
}
.form-control-custom:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(31,62,109,.12);
}
textarea.form-control-custom { min-height: 140px; resize: vertical; }

/* ── Contact Info ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.contact-info-item {
  margin-bottom: 28px;
}
.contact-info-item h4 {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 8px;
}
.contact-info-item p {
  font-size: 16px;
  line-height: 1.7;
  color: #445970;
}

/* ── Map ── */
.map-wrap {
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  height: 400px;
  margin-top: 40px;
}
.map-wrap iframe { width: 100%; height: 100%; border: 0; }

/* ── Offices (iletişim) ── */
.contact-office p + p { margin-top: 4px; }
.contact-office a { color: var(--blue); font-weight: 600; }
.contact-map-btn {
  margin-top: 10px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: transparent;
  color: var(--navy);
  font-family: var(--font);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
}
.contact-map-btn:hover,
.contact-map-btn.active { background: var(--navy); border-color: var(--navy); color: var(--page-bg); }

/* ── Certificates ── */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
@media (max-width: 992px) { .cert-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 576px) { .cert-grid { grid-template-columns: 1fr; } }
.cert-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-system);
}
.cert-card-img {
  display: block;
  aspect-ratio: 4 / 3;
  background: #f4f6f8;
  padding: 18px;
}
.cert-card-img img { width: 100%; height: 100%; object-fit: contain; transition: var(--transition); }
.cert-card-img:hover img { transform: scale(1.03); }
.cert-card-body { padding: 24px 26px 26px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.cert-card-body h3 { font-size: 22px; letter-spacing: -.01em; color: var(--navy); }
.cert-card-body p { font-size: 15px; line-height: 1.7; color: #445970; }
.cert-issuer {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--blue);
}
.cert-valid { font-size: 13px; color: var(--steel); }
.cert-link { margin-top: auto; padding-top: 6px; font-size: 13px; font-weight: 700; color: var(--blue); }
.cert-link:hover { color: var(--navy); }
body.dark-mode .cert-card { background: rgba(255,255,255,.03); border-color: rgba(255,255,255,.08); }
body.dark-mode .cert-card-img { background: rgba(255,255,255,.92); }
body.dark-mode .cert-card-body p { color: #a0aec0; }

/* ── Detail page ── */
.detail-content {
  position: relative;
  z-index: 3;
}
.detail-meta {
  display: flex;
  gap: 40px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.detail-meta-item span {
  display: block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 4px;
}
.detail-meta-item strong {
  font-size: 17px;
  color: var(--navy);
}
.detail-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}
.detail-gallery img {
  border-radius: 20px;
  width: 100%;
  height: 240px;
  object-fit: cover;
}

/* ── Detail Layout (2-column) ── */
.detail-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 40px;
  align-items: start;
}
.detail-main { min-width: 0; }

/* Sidebar */
.detail-sidebar {
  position: sticky;
  top: 120px;
  display: flex;
  flex-direction: column;
  gap: 48px;
  padding-left: 40px;
  border-left: 1px solid var(--line);
}
.sidebar-title {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.sidebar-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--steel);
  transition: var(--transition);
}
.sidebar-link:hover { color: var(--navy); }
.sidebar-link.active { color: var(--navy); font-weight: 800; }
.sidebar-link-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--line);
  flex-shrink: 0;
  transition: var(--transition);
}
.sidebar-link:hover .sidebar-link-dot {
  background: var(--blue);
}
.sidebar-link.active .sidebar-link-dot {
  background: var(--blue);
}

.sidebar-cta p {
  font-size: 16px;
  line-height: 1.7;
  color: #445970;
  margin-bottom: 20px;
}

/* Sub-service items */
.sub-services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  column-gap: 40px;
}
.sub-service-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 17px;
  font-weight: 600;
  color: var(--navy);
}
.sub-service-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue);
  flex-shrink: 0;
}

/* ── Service Tags ── */
.service-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-right: 18px;
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
}
.service-tag::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue);
}

/* ── Scroll Reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Project Status Tabs ── */
.project-status-tabs {
  display: flex;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.project-tab {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 28px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--steel);
  background: var(--white);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: all .3s ease;
  font-family: var(--font);
  box-shadow: 0 4px 16px rgba(16,40,70,.05);
}
.project-tab:hover {
  background: var(--warm);
  color: var(--navy);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(16,40,70,.10);
}
.project-tab.active {
  background: var(--navy);
  color: white;
  border-color: var(--navy);
  box-shadow: 0 12px 32px rgba(16,40,70,.22);
}
.project-tab-icon {
  display: flex;
  align-items: center;
  opacity: .7;
}
.project-tab.active .project-tab-icon {
  opacity: 1;
}
.project-tab-count {
  background: rgba(16,40,70,.12);
  color: var(--navy);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .04em;
  min-width: 28px;
  text-align: center;
}
.project-tab.active .project-tab-count {
  background: rgba(255,255,255,.22);
  color: white;
}

/* ── Project Filter Panels ── */
.project-filter-panel {
  display: none;
  animation: filterFadeIn .4s ease;
}
.project-filter-panel.active {
  display: block;
}
@keyframes filterFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Project Status Badge ── */
.project-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.badge-ongoing {
  background: rgba(45,122,79,.14);
  color: #2d7a4f;
  border: 1px solid rgba(45,122,79,.2);
}
.badge-ongoing::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #2d7a4f;
  animation: statusPulse 2s infinite ease-in-out;
}
.badge-completed {
  background: rgba(16,40,70,.10);
  color: var(--navy);
  border: 1px solid rgba(16,40,70,.12);
}
.badge-completed::before {
  content: "✓";
  font-size: 12px;
  font-weight: 800;
}
@keyframes statusPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: .5; transform: scale(.7); }
}

/* Badge on card image */
.service-card-img {
  position: relative;
}
.service-card-img .project-status-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  font-size: 10px;
  padding: 6px 14px;
  backdrop-filter: blur(8px);
}
.service-card-img .badge-ongoing {
  background: rgba(45,122,79,.85);
  color: white;
  border-color: rgba(255,255,255,.2);
}
.service-card-img .badge-ongoing::before {
  background: white;
}
.service-card-img .badge-completed {
  background: rgba(16,40,70,.75);
  color: white;
  border-color: rgba(255,255,255,.2);
}
.service-card-img .badge-completed::before {
  color: white;
}

/* ── Project Type Label ── */
.project-type-label {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--blue);
  display: block;
  margin-bottom: 8px;
}

/* ── Project Progress Bar ── */
.project-progress {
  margin-top: 16px;
}
.project-progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}
.project-progress-header span {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--steel);
}
.project-progress-value {
  color: #2d7a4f !important;
  font-weight: 900 !important;
  font-size: 13px !important;
}
.project-progress-bar {
  height: 6px;
  background: rgba(16,40,70,.08);
  border-radius: var(--radius-pill);
  overflow: hidden;
}
.project-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #2d7a4f 0%, #3da565 100%);
  border-radius: var(--radius-pill);
  transition: width 1.2s cubic-bezier(.25,.46,.45,.94);
  position: relative;
}
.project-progress-fill::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 40px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.3));
  border-radius: var(--radius-pill);
  animation: progressShimmer 2s infinite;
}
@keyframes progressShimmer {
  0%   { opacity: 0; }
  50%  { opacity: 1; }
  100% { opacity: 0; }
}

/* ── Sidebar Status Dot ── */
.sidebar-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-left: auto;
}
.sidebar-status-dot.ongoing {
  background: #2d7a4f;
  animation: statusPulse 2s infinite ease-in-out;
}

/* ── Project Card Enhanced ── */
.project-card-enhanced .service-card-body h3 {
  font-size: 22px;
}

/* ── Responsive ── */

@media (max-width: 1399px) {
  .nav-links { gap: 18px; }
}

/* Header collapses to hamburger below 1200px */
@media (max-width: 1199px) {
  /* ── Mobile menu panel ── */
  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    background: #ffffff;
    border: 1px solid rgba(16,40,70,.08);
    border-radius: 20px;
    padding: 12px;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    box-shadow: 0 24px 70px rgba(16,40,70,.22);
    max-height: calc(100vh - 130px);
    max-height: calc(100dvh - 130px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .nav-links.active { display: flex; }
  .nav-toggle { display: block; }
  .logo img { height: 84px; }
  .nav-shell { padding: 12px 16px; }
  .nav-links li { width: 100%; }
  .nav-links a {
    display: flex;
    align-items: center;
    padding: 13px 14px;
    border-radius: 12px;
    font-size: 13px;
    letter-spacing: .1em;
    opacity: 1;
  }
  .nav-links a:hover,
  .nav-links a.active { background: var(--soft); }

  /* Dropdowns become tap-to-open accordions */
  .nav-dropdown .dropdown-arrow {
    margin-left: auto;
    font-size: 11px;
    opacity: .7;
  }
  .nav-dropdown:hover .dropdown-arrow { transform: none; }
  .nav-dropdown.open .dropdown-arrow,
  .nav-dropdown.open:hover .dropdown-arrow { transform: rotate(180deg); }

  .dropdown-menu,
  .nav-dropdown:hover .dropdown-menu {
    display: none;
    position: static;
    transform: none;
    opacity: 1;
    min-width: 0;
    background: rgba(16,40,70,.05);
    backdrop-filter: none;
    border: none;
    border-radius: 12px;
    box-shadow: none;
    padding: 6px;
    margin: 2px 0 6px;
  }
  .nav-dropdown.open .dropdown-menu,
  .nav-dropdown.open:hover .dropdown-menu { display: block; }
  .dropdown-menu::before { display: none; }
  .nav-links .dropdown-menu li a {
    padding: 11px 14px;
    border-radius: 10px;
    font-size: 13px;
    letter-spacing: .04em;
  }
  .mobile-only { display: block; }

  /* Theme + language row, CTA button */
  .nav-links .nav-utils {
    display: flex;
    justify-content: flex-start;
    gap: 12px;
    border-top: 1px solid var(--line);
    margin-top: 8px;
    padding: 12px 6px 4px;
  }
  /* Language pill keeps its compact shape inside the panel */
  .nav-links a.lang-switch {
    display: inline-flex;
    width: auto;
    padding: 8px 14px 8px 10px;
    border-radius: var(--radius-pill);
    font-size: 12px;
    letter-spacing: .08em;
    color: white;
  }
  .nav-links a.lang-switch:hover { background: var(--blue); }

  /* Dark mode: dark menu panel */
  body.dark-mode .nav-links {
    background: #0f1a29;
    border-color: rgba(255,255,255,.10);
    box-shadow: 0 24px 70px rgba(0,0,0,.5);
  }
  body.dark-mode .nav-links a:hover,
  body.dark-mode .nav-links a.active { background: rgba(255,255,255,.06); }
  body.dark-mode .dropdown-menu,
  body.dark-mode .nav-dropdown:hover .dropdown-menu { background: rgba(255,255,255,.04); }

  /* iOS: fixed background attachment is janky/broken on mobile */
  body, body.dark-mode { background-attachment: scroll; }

  /* iOS: inputs under 16px trigger auto-zoom on focus */
  .form-control-custom { font-size: 16px; }
  .footer-newsletter-input { font-size: 16px; }
}

@media (max-width: 992px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .projects-showcase { grid-template-columns: 1fr; }
  .project-card.feature { min-height: 400px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .engineering-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .detail-gallery { grid-template-columns: repeat(2, 1fr); }
  .detail-layout { grid-template-columns: 1fr; }
  .detail-sidebar { position: static; padding-left: 0; border-left: 0; padding-top: 40px; border-top: 1px solid var(--line); }
  .partners-grid { grid-template-columns: repeat(3, 1fr); }

  .project-status-tabs {
    gap: 8px;
  }
  .project-tab {
    padding: 12px 20px;
    font-size: 12px;
  }
}

@media (max-width: 576px) {
  .container-custom, .section, .hero, .metrics, .cta-section, .footer {
    padding-left: 20px;
    padding-right: 20px;
  }

  /* Tighter vertical rhythm on small screens */
  .section { padding-top: 72px; padding-bottom: 72px; }
  .metrics { padding-top: 48px; padding-bottom: 48px; }
  .cta-section { padding-top: 64px; padding-bottom: 64px; }
  .section-head { margin-bottom: 40px; gap: 18px; }

  /* Typography scale-down */
  .title-xl { font-size: clamp(36px, 10.5vw, 46px); letter-spacing: -.02em; line-height: .95; }
  .title-lg { font-size: clamp(30px, 8.5vw, 38px); }
  .title-md { font-size: 30px; }
  .title-sm { font-size: 25px; }
  .body-lg { font-size: 18px; }
  .subtitle { font-size: 16px; }
  .about-item h3 { font-size: 24px; }

  /* Header & hero */
  .header { top: 12px; width: calc(100% - 24px); }
  .nav-shell { padding: 10px 14px; }
  .logo img { height: 60px; }
  .header.scrolled .logo { padding: 6px 12px; }
  .header.scrolled .logo img { height: 42px; }
  .hero { padding-top: 128px; padding-bottom: 56px; }
  .hero-inner { gap: 32px; }
  .hero-brand-name { width: 190px; height: auto; }
  .hero-copy h1 { margin-bottom: 18px; }
  .hero-copy .body-lg { margin-bottom: 24px; }
  .hero-actions { gap: 12px; }
  .hero-actions .btn-primary,
  .hero-actions .btn-secondary { flex: 1 1 auto; }
  .hero-panel { padding: 26px; border-radius: 28px; }
  .hero-panel h2 { font-size: 26px; }
  .side-gradient { display: none; }

  /* Page hero (sub pages) */
  .page-hero { padding: 136px 20px 48px; min-height: 320px; }

  /* Grids */
  .services-grid, .metrics-grid { grid-template-columns: 1fr; }
  .services-grid { gap: 20px; }
  .engineering-grid { grid-template-columns: 1fr; }
  .detail-gallery { grid-template-columns: 1fr; }
  .sub-services-grid { grid-template-columns: 1fr; }
  .partners-grid { grid-template-columns: repeat(2, 1fr); }

  /* Metrics */
  .metric { padding: 26px 22px; }
  .metric strong { font-size: 40px; margin: 12px 0 8px; }

  /* Cards */
  .card-info { left: 20px; right: 20px; bottom: 20px; }
  .card-info h3 { font-size: 26px; }
  .project-card.feature { min-height: 340px; }
  .project-card.stack { min-height: 260px; }
  .service-card-body { padding: 22px 20px; }

  /* Detail pages */
  .detail-layout { gap: 28px; }
  .detail-meta { gap: 20px 28px; }

  /* Contact */
  .contact-grid { gap: 40px; }
  .map-wrap { height: 300px; }

  /* CTA */
  .cta-glass { padding: 32px 24px; }

  /* Footer */
  .footer { padding-top: 56px; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom {
    flex-direction: column;
    gap: 14px;
    text-align: center;
  }

  .project-status-tabs {
    flex-direction: column;
  }
  .project-tab {
    width: 100%;
    justify-content: center;
  }
}

/* Nav language button */
.lang-switch-mobile {
  background: #102846;
  border-color: rgba(255,255,255,.3);
  padding: 6px 14px 6px 10px;
  font-size: 12px;
}
.lang-switch-mobile:hover {
  background: var(--blue);
}
body.dark-mode .lang-switch-mobile {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.18);
}
body.dark-mode .lang-switch-mobile:hover {
  background: rgba(255,255,255,.18);
}

/* ── Career Page ── */

/* Perks Grid */
.career-perks-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 32px;
}
.career-perk {
  padding: 32px 24px;
  background: var(--soft);
  border-radius: var(--radius-card);
  transition: var(--transition);
  border: 1px solid transparent;
}
.career-perk:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 50px rgba(16,40,70,.10);
  border-color: rgba(16,40,70,.06);
  background: var(--white);
}
.career-perk-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--navy);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: var(--transition);
}
.career-perk:hover .career-perk-icon {
  transform: scale(1.08);
}
.career-perk h3 {
  color: var(--navy);
  font-size: 22px;
  letter-spacing: -.01em;
  margin-bottom: 10px;
  font-weight: 800;
}
.career-perk p {
  color: #445970;
  font-size: 15px;
  line-height: 1.72;
}

/* Positions */
.career-positions {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.career-position {
  background: var(--white);
  border-radius: var(--radius-card);
  box-shadow: 0 12px 40px rgba(16,40,70,.07);
  padding: 36px 40px;
  border: 1px solid rgba(16,40,70,.06);
  transition: var(--transition);
}
.career-position:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(16,40,70,.12);
  border-color: rgba(16,40,70,.10);
}
.career-position-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.career-position-header h3 {
  font-size: 24px;
  letter-spacing: -.01em;
  color: var(--navy);
  font-weight: 800;
  margin-top: 6px;
}
.career-position-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--steel);
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
  padding-top: 10px;
}
.career-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--line);
}
.career-tag {
  display: inline-block;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--blue);
  background: rgba(31,62,109,.08);
  margin-bottom: 4px;
}
.career-position p {
  color: #445970;
  font-size: 15px;
  line-height: 1.72;
  margin-bottom: 18px;
}
.career-apply-btn {
  padding: 12px 24px !important;
  font-size: 11px !important;
}

/* Career Form */
.career-form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 28px;
}

/* Select styling */
select.form-control-custom {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%235d6874' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
  cursor: pointer;
}
select.form-control-custom:invalid {
  color: var(--steel);
}

/* File Upload */
.career-file-upload {
  position: relative;
}
.career-file-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  z-index: 2;
}
.career-file-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 28px 20px;
  border: 2px dashed var(--line);
  border-radius: 16px;
  background: var(--soft);
  color: var(--steel);
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
}
.career-file-label:hover,
.career-file-input:focus + .career-file-label {
  border-color: var(--blue);
  background: rgba(31,62,109,.04);
  color: var(--blue);
}
.career-file-label.has-file {
  border-color: var(--navy);
  background: rgba(16,40,70,.04);
  color: var(--navy);
  border-style: solid;
}

/* Responsive: Career */
@media (max-width: 992px) {
  .career-perks-grid { grid-template-columns: repeat(2, 1fr); }
  .career-position-header { flex-direction: column; gap: 8px; }
  .career-position-meta { padding-top: 0; }
  .career-form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 576px) {
  .career-perks-grid { grid-template-columns: 1fr; }
  .career-position { padding: 24px; }
}

/* ── Partners Marquee ── */
.partners-marquee-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
  overflow: hidden;
  position: relative;
  padding: 20px 0;
  mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
}

.partners-marquee {
  display: flex;
  overflow: hidden;
  user-select: none;
}

.marquee-track {
  display: flex;
  width: max-content;
  will-change: transform;
}

.marquee-group {
  display: flex;
  gap: 20px;
  padding-right: 20px;
}

/* Animations */
.marquee-left .marquee-track {
  animation: scrollLeft 35s linear infinite;
}
.marquee-left:hover .marquee-track {
  animation-play-state: paused;
}

.marquee-right .marquee-track {
  animation: scrollRight 35s linear infinite;
}
.marquee-right:hover .marquee-track {
  animation-play-state: paused;
}

@keyframes scrollLeft {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

@keyframes scrollRight {
  0% {
    transform: translateX(-50%);
  }
  100% {
    transform: translateX(0);
  }
}

/* Adjust partner card size for marquee */
.partners-marquee .partner-item {
  width: 240px;
  flex-shrink: 0;
  padding: 20px 16px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 10px 30px rgba(16,40,70,.05);
  display: flex;
  flex-direction: column;
  align-items: center;
  border-radius: 20px;
  transition: all 0.3s ease;
}

.partners-marquee .partner-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 44px rgba(16,40,70,.10);
  border-color: rgba(16,40,70,.24);
}
/* ── Section Alternation ── */
.section-light { background: transparent; }

/* ── Theme Toggle Button ── */
.theme-toggle-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  border-radius: 50%;
}
.theme-toggle-btn:hover {
  background: var(--soft);
  transform: scale(1.08);
}
.theme-toggle-btn .sun-icon {
  display: none;
}
.theme-toggle-btn .moon-icon {
  display: block;
}

/* ── Dark Mode Overrides ── */
body.dark-mode {
  color: #cbd5e1;
  --ink: #cbd5e1;
  --white: #111c2a;
  --soft: #162537;
  --warm: #1d3047;
  --line: rgba(255, 255, 255, 0.12);
  --muted: #8a9cae;
  --navy: #e2e8f0;
  --blue: #38bdf8;
  --steel: #8a9cae;
  --page-bg: #0d1622;

  background: var(--page-bg);
}

body.dark-mode h1,
body.dark-mode h2,
body.dark-mode h3,
body.dark-mode h4,
body.dark-mode .title-xl,
body.dark-mode .title-lg,
body.dark-mode .title-md,
body.dark-mode .title-sm,
body.dark-mode .title-card {
  color: #ffffff;
}

body.dark-mode p,
body.dark-mode .subtitle,
body.dark-mode .body-lg,
body.dark-mode .body-md,
body.dark-mode .body-sm {
  color: #a0aec0;
}

/* Toggle Sun/Moon icons in Dark Mode */
body.dark-mode .theme-toggle-btn {
  color: #ffffff;
}
body.dark-mode .theme-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.08);
}
body.dark-mode .theme-toggle-btn .sun-icon {
  display: block;
}
body.dark-mode .theme-toggle-btn .moon-icon {
  display: none;
}

/* Button Overrides */
body.dark-mode .btn-primary {
  background: #ffffff;
  color: #0d1622;
  box-shadow: 0 22px 54px rgba(0, 0, 0, 0.35);
}
body.dark-mode .btn-primary:hover {
  background: #e2e8f0;
  box-shadow: 0 28px 64px rgba(0, 0, 0, 0.45);
}
body.dark-mode .btn-secondary {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  color: #ffffff;
}
body.dark-mode .btn-secondary:hover {
  background: rgba(255,255,255,.1);
}

/* Header Glassmorphism */
body.dark-mode .nav-shell,
body.dark-mode .header.scrolled .logo {
  background: rgba(13,22,34,.85);
  border: 1px solid rgba(255,255,255,.08);
  box-shadow: 0 18px 70px rgba(0, 0, 0, 0.3);
}
body.dark-mode .header.scrolled .nav-shell {
  background: rgba(13,22,34,.96);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
}
body.dark-mode .nav-links a {
  color: #cbd5e1;
}
body.dark-mode .nav-links a:hover,
body.dark-mode .nav-links a.active {
  color: #ffffff;
}
body.dark-mode .dropdown-menu {
  background: rgba(13,22,34,.96);
  border: 1px solid rgba(255,255,255,.08);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}
body.dark-mode .dropdown-menu li a {
  color: #a0aec0;
}
body.dark-mode .dropdown-menu li a:hover {
  background: rgba(255,255,255,.05);
  color: #ffffff;
}

/* Hero Overlay & Panel */
body.dark-mode .hero-media::after {
  background:
    linear-gradient(90deg, rgba(13,22,34,.74) 0%, rgba(13,22,34,.46) 36%, rgba(13,22,34,.06) 72%, rgba(13,22,34,.26) 100%),
    linear-gradient(180deg, rgba(13,22,34,0) 60%, var(--page-bg) 100%);
}
body.dark-mode .hero-copy { text-shadow: 0 2px 22px rgba(7,14,23,.55); }
/* Tek sütunda metin tüm genişliğe yayılır; perde soldan sağa incelmez */
@media (max-width: 992px) {
  .hero-media::after {
    background: linear-gradient(180deg, rgba(238,241,244,.62) 0%, rgba(238,241,244,.72) 60%, var(--page-bg) 100%);
  }
  body.dark-mode .hero-media::after {
    background: linear-gradient(180deg, rgba(13,22,34,.55) 0%, rgba(13,22,34,.68) 60%, var(--page-bg) 100%);
  }
}
body.dark-mode .hero-panel {
  background: rgba(17,28,42,.78);
  border: 1px solid rgba(255,255,255,.08);
  box-shadow: 0 32px 110px rgba(0, 0, 0, 0.35);
}
body.dark-mode .hero-panel p {
  color: #a0aec0;
}

/* Metrics section */
body.dark-mode .metrics-grid {
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.25);
}
body.dark-mode .metric {
  background: rgba(17,28,42,.45);
  border: 1px solid rgba(255,255,255,.06);
}
body.dark-mode .metric span {
  color: var(--blue);
}
body.dark-mode .metric strong {
  color: #ffffff;
}
body.dark-mode .metric p {
  color: #8a9cae;
}

/* Partners & Marquee Cards */
body.dark-mode .partners-marquee .partner-item {
  background: #111c2a;
  border: 1px solid rgba(255,255,255,.08);
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}
body.dark-mode .partners-marquee .partner-item:hover {
  background: rgba(31,62,109,.15);
  border-color: var(--blue);
  box-shadow: 0 14px 44px rgba(31,62,109,.2);
}
body.dark-mode .partner-logo {
  filter: grayscale(40%) brightness(1.2) invert(0);
}
body.dark-mode .partner-item:hover .partner-logo {
  filter: grayscale(0) brightness(1.2);
}

/* Footer details */
body.dark-mode .footer {
  background-color: #070e17;
  border-top: 3px solid #38bdf8;
}
body.dark-mode .footer h4 {
  color: #ffffff;
}
body.dark-mode .footer-newsletter-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
body.dark-mode .footer-newsletter-input:focus {
  border-color: #38bdf8;
}
body.dark-mode .footer-newsletter-btn {
  background: #38bdf8;
  border-color: #38bdf8;
  color: #070e17;
}
body.dark-mode .footer-newsletter-btn:hover {
  background: transparent;
  color: #38bdf8;
}
body.dark-mode .footer-social-link:hover,
body.dark-mode .back-to-top-btn:hover {
  background: #38bdf8;
  border-color: #38bdf8;
  color: #070e17;
}
body.dark-mode .footer-contact-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
body.dark-mode .footer-contact-card:hover {
  background: rgba(56, 189, 248, 0.08);
  border-color: #38bdf8;
}

/* Detail Page Sidebar & Forms */
body.dark-mode .sidebar-link:hover,
body.dark-mode .sidebar-link.active { color: #ffffff; }
body.dark-mode .form-control-custom {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #ffffff;
}
body.dark-mode .form-control-custom:focus {
  border-color: var(--blue);
  background: rgba(255, 255, 255, 0.06);
}

/* Project tabs count styling */
body.dark-mode .project-tab {
  background: #111c2a;
  border-color: rgba(255,255,255,.08);
  color: #a0aec0;
}
body.dark-mode .project-tab:hover {
  background: rgba(255,255,255,.05);
  color: #ffffff;
}
body.dark-mode .project-tab.active {
  background: #ffffff;
  color: #0d1622;
  border-color: #ffffff;
}
body.dark-mode .project-tab-count {
  background: rgba(255,255,255,.1);
  color: #cbd5e1;
}
body.dark-mode .project-tab.active .project-tab-count {
  background: #0d1622;
  color: #ffffff;
}

/* Mobile Language Switch */
body.dark-mode .lang-switch-mobile {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

/* Career Perks Icon */
body.dark-mode .career-perk-icon {
  background: #ffffff;
  color: #0d1622;
}

/* Dark Mode Section Alternation */
/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-media img { transition: opacity .6s ease; transform: none; }
  .marquee-track { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .project-progress-fill::after,
  .badge-ongoing::before,
  .sidebar-status-dot.ongoing { animation: none; }
}


/* ── Form Alerts (CMS) ── */
a.lang-switch { text-decoration: none; }
.form-alert {
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
  line-height: 1.5;
}
.form-alert-success {
  background: rgba(45,122,79,.12);
  border: 1px solid rgba(45,122,79,.35);
  color: #2d7a4f;
}
.form-alert-error {
  background: rgba(231,76,60,.1);
  border: 1px solid rgba(231,76,60,.35);
  color: #c0392b;
}
body.dark-mode .form-alert-success { color: #6fd39a; }
body.dark-mode .form-alert-error { color: #f1948a; }

/* Mobil menü: backdrop-filter açılır paneli menü kutusuna hapseder; bulanıklık kapatılır, zemin koyulaşır */
@media (max-width: 1199px) {
  .nav-shell { -webkit-backdrop-filter: none; backdrop-filter: none; background: rgba(235,239,243,.97); }
  body.dark-mode .nav-shell { background: rgba(13,22,34,.97); }
}