/* ==========================================================================
   SYSTEMAX — Kurumsal Web Sitesi
   © Calvenis Haberleşme Teknolojileri Ltd.Şti.
   Elektronik güvenlik · ağ · ses sistemleri — güven odaklı kurumsal kimlik
   ========================================================================== */

/* ----- Tokens ----- */
:root {
  --c-primary: #1B4F8E;
  --c-primary-dark: #0F2E5C;
  --c-primary-light: #3D87D9;
  --c-accent: #2E6FB8;
  --c-ink: #0B2545;          /* derin lacivert — hero & footer */
  --c-signal: #4F9BFF;       /* izleme/ekran mavisi — imza vurgu */
  --c-bg: #FFFFFF;
  --c-bg-soft: #F4F7FB;
  --c-bg-dark: #0B2545;
  --c-text: #14203A;
  --c-text-soft: #56617A;
  --c-text-muted: #8893A4;
  --c-border: #E4EAF2;
  --c-border-strong: #D2DCEA;
  --c-success: #16A34A;
  --c-warning: #F59E0B;

  --pad-section: clamp(60px, 8vw, 104px);
  --pad-container: clamp(16px, 4vw, 32px);
  --maxw: 1240px;

  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;
  --r-xl: 26px;

  --shadow-sm: 0 1px 2px rgba(11, 37, 69, 0.05), 0 1px 3px rgba(11, 37, 69, 0.04);
  --shadow-md: 0 8px 24px rgba(11, 37, 69, 0.08), 0 2px 6px rgba(11, 37, 69, 0.05);
  --shadow-lg: 0 24px 60px rgba(11, 37, 69, 0.14), 0 6px 18px rgba(11, 37, 69, 0.07);
  --shadow-primary: 0 12px 28px rgba(27, 79, 142, 0.28);

  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);

  --nav-h: 76px;
}

/* ----- Reset ----- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.62;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "cv05" 1, "ss01" 1;
}
img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--c-primary); }
h1, h2, h3, h4 { margin: 0 0 0.6em; line-height: 1.14; color: var(--c-text); letter-spacing: -0.022em; }
h1 { font-size: clamp(2.3rem, 5vw, 3.7rem); font-weight: 800; letter-spacing: -0.03em; }
h2 { font-size: clamp(1.85rem, 3.4vw, 2.6rem); font-weight: 800; }
h3 { font-size: clamp(1.2rem, 2vw, 1.42rem); font-weight: 700; }
p { margin: 0 0 1em; }
ul { margin: 0; padding-left: 1.4em; }
:focus-visible { outline: 3px solid var(--c-signal); outline-offset: 2px; border-radius: 4px; }

/* tabular figures for stats/numbers */
[data-counter], .hero-meta-item .v, .stat-v { font-variant-numeric: tabular-nums; }

/* ----- Layout primitives ----- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad-container);
}
.section { padding: var(--pad-section) 0; }
.section--soft { background: var(--c-bg-soft); }
.section--dark { background: var(--c-bg-dark); color: #fff; }
.section--dark h1, .section--dark h2, .section--dark h3 { color: #fff; }

/* Eyebrow — technical label with a leading tick */
.eyebrow, .section-head .eyebrow, .about-split .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 12px;
  background: rgba(27, 79, 142, 0.07);
  color: var(--c-primary);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border-radius: 100px;
  margin-bottom: 18px;
}
.eyebrow::before, .section-head .eyebrow::before, .about-split .eyebrow::before {
  content: '';
  width: 14px; height: 2px;
  background: currentColor;
  border-radius: 2px;
}

.section-head {
  text-align: center;
  max-width: 780px;
  margin: 0 auto clamp(44px, 5vw, 68px);
}
.section-head .eyebrow { justify-content: center; }
.section--dark .section-head .eyebrow { background: rgba(255, 255, 255, 0.1); color: #C9D9EF; }
.section-head p { color: var(--c-text-soft); font-size: 1.08rem; }
.section--dark .section-head p { color: #C9D9EF; }

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--r-md);
  font-weight: 600;
  font-size: 0.96rem;
  letter-spacing: 0.01em;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn--primary { background: var(--c-primary); color: #fff; box-shadow: var(--shadow-primary); }
.btn--primary:hover { background: var(--c-primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 16px 32px rgba(27, 79, 142, 0.34); }
.btn--outline { background: transparent; color: var(--c-primary); border-color: var(--c-border-strong); }
.btn--outline:hover { background: var(--c-primary); color: #fff; border-color: var(--c-primary); transform: translateY(-2px); box-shadow: var(--shadow-primary); }
.btn--ghost { background: rgba(255, 255, 255, 0.1); color: #fff; border-color: rgba(255, 255, 255, 0.3); backdrop-filter: blur(6px); }
.btn--ghost:hover { background: rgba(255, 255, 255, 0.2); color: #fff; transform: translateY(-2px); }
.btn--sm { padding: 9px 16px; font-size: 0.85rem; }

/* ----- Scroll progress ----- */
.scroll-progress {
  position: fixed; top: 0; left: 0;
  height: 3px; width: 0;
  background: linear-gradient(90deg, var(--c-primary) 0%, var(--c-signal) 100%);
  z-index: 9999;
  transition: width 0.1s linear;
}

/* ----- Reveal on scroll (JS adds .reveal then .in) ----- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1); }
.reveal.in { opacity: 1; transform: none; }

/* ----- Navbar ----- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  z-index: 1000;
  transition: all var(--transition);
}
.navbar.scrolled {
  background: rgba(255, 255, 255, 0.97);
  border-bottom-color: var(--c-border);
  box-shadow: var(--shadow-sm);
}
.nav-container {
  height: 100%;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
  max-width: var(--maxw); margin: 0 auto;
  padding: 0 var(--pad-container);
}
.nav-logo { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 1.28rem; letter-spacing: 0.01em; color: var(--c-primary); }
.nav-logo img { width: 40px; height: 40px; object-fit: contain; }
.nav-logo small {
  display: block; font-size: 0.62rem; font-weight: 600; color: var(--c-text-muted);
  letter-spacing: 0.2em; text-transform: uppercase; line-height: 1; margin-top: 3px;
}
.nav-logo:hover { color: var(--c-primary); }

.nav-menu { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav-menu a {
  position: relative;
  padding: 8px 14px; border-radius: var(--r-sm);
  font-weight: 500; font-size: 0.95rem; color: var(--c-text);
}
.nav-menu a:hover, .nav-menu a.is-active { color: var(--c-primary); background: rgba(27, 79, 142, 0.06); }
.nav-cta { background: var(--c-primary); color: #fff !important; padding: 10px 18px !important; box-shadow: var(--shadow-primary); }
.nav-cta:hover { background: var(--c-primary-dark) !important; transform: translateY(-1px); }

.nav-actions { display: flex; align-items: center; gap: 14px; }
.lang-switcher { display: inline-flex; background: var(--c-bg-soft); border: 1px solid var(--c-border); border-radius: var(--r-sm); padding: 3px; font-size: 0.82rem; font-weight: 600; }
.lang-switcher a { padding: 5px 10px; border-radius: 5px; color: var(--c-text-soft); }
.lang-switcher a.is-active { background: var(--c-primary); color: #fff; }

.nav-toggle { display: none; width: 40px; height: 40px; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; align-items: center; justify-content: center; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--c-text); border-radius: 2px; transition: all var(--transition); }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 1020px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; gap: 0;
    padding: 16px var(--pad-container) 32px;
    background: #fff; border-top: 1px solid var(--c-border); box-shadow: var(--shadow-md);
    transform: translateY(calc(-100% - var(--nav-h)));
    visibility: hidden;
    transition: transform var(--transition), visibility var(--transition);
    align-items: stretch;
  }
  .nav-menu.is-open { transform: translateY(0); visibility: visible; }
  .nav-menu a { padding: 14px 12px; }
  .nav-actions { flex-direction: column; align-items: stretch; gap: 12px; margin-top: 8px; }
  .lang-switcher { justify-content: center; }
  .nav-menu .nav-cta { text-align: center; justify-content: center; }
}

/* ----- Hero — brand gradient + surveillance/signal motif (no photo) ----- */
.hero {
  position: relative;
  min-height: calc(100vh - var(--nav-h));
  padding: calc(var(--nav-h) + 56px) 0 88px;
  color: #fff;
  display: flex; align-items: center;
  overflow: hidden;
  background:
    radial-gradient(1200px 620px at 82% -8%, rgba(79, 155, 255, 0.20), transparent 58%),
    repeating-radial-gradient(circle at 84% 26%, transparent 0 47px, rgba(120, 180, 255, 0.08) 47px 48px, transparent 48px 94px),
    radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1.5px) 0 0 / 26px 26px,
    linear-gradient(158deg, #081d3a 0%, #103561 46%, #1B4F8E 100%);
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(560px 300px at 8% 88%, rgba(11, 37, 69, 0.55), transparent 70%),
    linear-gradient(180deg, transparent 60%, rgba(8, 29, 58, 0.5) 100%);
  pointer-events: none;
}
/* radar sweep — subtle signature */
.hero::after {
  content: ''; position: absolute;
  right: -14%; top: 50%; width: 900px; height: 900px;
  transform: translateY(-50%);
  border-radius: 50%;
  background: conic-gradient(from 0deg, transparent 0 296deg, rgba(79, 155, 255, 0.14) 342deg, rgba(147, 197, 253, 0.04) 356deg, transparent 360deg);
  -webkit-mask: radial-gradient(circle, #000 0 58%, transparent 60%);
  mask: radial-gradient(circle, #000 0 58%, transparent 60%);
  animation: radar 16s linear infinite;
  pointer-events: none; opacity: 0.9;
}
@keyframes radar { to { transform: translateY(-50%) rotate(360deg); } }

.hero .container { position: relative; z-index: 1; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 16px 8px 14px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 100px;
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  margin-bottom: 26px; backdrop-filter: blur(8px);
}
.hero-eyebrow::before {
  content: ''; width: 8px; height: 8px; border-radius: 50%;
  background: #6fe08a; box-shadow: 0 0 0 4px rgba(111, 224, 138, 0.25);
  animation: livedot 2.4s ease-in-out infinite;
}
@keyframes livedot { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }
.hero h1 { color: #fff; max-width: 20ch; margin-bottom: 24px; }
.hero h1 .accent {
  background: linear-gradient(120deg, #93C5FD 0%, #4F9BFF 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-lead { font-size: clamp(1.06rem, 1.5vw, 1.28rem); color: rgba(233, 240, 250, 0.9); max-width: 58ch; margin-bottom: 38px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 56px; }
.hero-meta {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 28px; max-width: 780px;
  padding-top: 34px; border-top: 1px solid rgba(255, 255, 255, 0.16);
}
.hero-meta-item .v { font-size: 2rem; font-weight: 800; color: #fff; display: block; line-height: 1.05; letter-spacing: -0.02em; }
.hero-meta-item .l { font-size: 0.8rem; color: rgba(207, 222, 243, 0.78); letter-spacing: 0.06em; text-transform: uppercase; }

/* ----- Services (3-card row) ----- */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.service-card {
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--r-lg);
  padding: 38px 30px; transition: all var(--transition); position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-signal));
  transform: scaleX(0); transform-origin: left; transition: transform var(--transition);
}
.service-card:hover { border-color: var(--c-border-strong); transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.service-card:hover::before { transform: scaleX(1); }
.service-card .icon {
  width: 58px; height: 58px; border-radius: 14px;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-light) 100%);
  display: flex; align-items: center; justify-content: center; color: #fff; margin-bottom: 22px;
  box-shadow: var(--shadow-primary);
}
.service-card .icon svg { width: 28px; height: 28px; }
.service-card h3 { margin-bottom: 10px; }
.service-card p { color: var(--c-text-soft); margin-bottom: 16px; }
.service-card .more { display: inline-flex; align-items: center; gap: 5px; color: var(--c-primary); font-weight: 600; font-size: 0.9rem; }
.service-card .more::after { content: '→'; transition: transform var(--transition); }
.service-card:hover .more::after { transform: translateX(4px); }

/* ----- Category grid ----- */
.cat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }
.cat-card {
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--r-lg);
  padding: 30px 24px; text-align: center; transition: all var(--transition);
}
.cat-card:hover { border-color: var(--c-border-strong); transform: translateY(-4px); box-shadow: var(--shadow-md); color: var(--c-text); }
.cat-card .icon {
  width: 60px; height: 60px; margin: 0 auto 16px;
  background: linear-gradient(135deg, rgba(27, 79, 142, 0.08), rgba(79, 155, 255, 0.12));
  color: var(--c-primary); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.cat-card:hover .icon { background: linear-gradient(135deg, var(--c-primary), var(--c-primary-light)); color: #fff; box-shadow: var(--shadow-primary); }
.cat-card .icon svg { width: 28px; height: 28px; }
.cat-card h4 { margin: 0 0 4px; font-size: 1.04rem; }
.cat-card span { font-size: 0.85rem; color: var(--c-text-soft); }

/* ----- Brands strip ----- */
.brands-strip { padding: 52px 0; border-top: 1px solid var(--c-border); border-bottom: 1px solid var(--c-border); background: #fff; }
.brands-label { text-align: center; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: var(--c-text-muted); margin-bottom: 32px; }
.brands-list { display: flex; flex-wrap: wrap; gap: clamp(28px, 5vw, 56px); justify-content: center; align-items: center; }
.brands-list .brand {
  font-weight: 800; font-size: 1.22rem; color: #9aa7b8; letter-spacing: 0.04em;
  transition: color var(--transition), transform var(--transition);
}
.brands-list .brand:hover { color: var(--c-primary); transform: translateY(-2px); }

/* ----- About split ----- */
.about-split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 5vw, 64px); align-items: center; }
.about-split img {
  border-radius: var(--r-lg); box-shadow: var(--shadow-lg);
  border: 1px solid var(--c-border);
}
.about-split h2 { margin-bottom: 14px; }
.about-split > div > p { color: var(--c-text-soft); }
.about-split ul { list-style: none; padding: 0; margin-top: 24px; }
.about-split ul li { position: relative; padding: 9px 0 9px 34px; color: var(--c-text-soft); }
.about-split ul li::before {
  content: ''; position: absolute; left: 0; top: 13px; width: 20px; height: 20px;
  background: var(--c-primary); border-radius: 50%;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'><path d='M9 16.17 4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/></svg>");
  background-size: 14px; background-position: center; background-repeat: no-repeat;
  box-shadow: 0 4px 10px rgba(27, 79, 142, 0.28);
}
@media (max-width: 880px) { .about-split { grid-template-columns: 1fr; gap: 32px; } }

/* ----- CTA banner ----- */
.cta-band {
  background: linear-gradient(135deg, var(--c-ink) 0%, var(--c-primary) 100%);
  color: #fff; border-radius: var(--r-xl); padding: clamp(40px, 6vw, 72px);
  text-align: center; position: relative; overflow: hidden;
}
.cta-band::before {
  content: ''; position: absolute; inset: -50%;
  background: radial-gradient(circle at 70% 40%, rgba(79, 155, 255, 0.28) 0%, transparent 55%);
  animation: pulse 9s ease-in-out infinite;
}
.cta-band::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1.5px) 0 0 / 24px 24px;
  opacity: 0.5; pointer-events: none;
}
@keyframes pulse { 0%, 100% { transform: scale(1); opacity: 0.55; } 50% { transform: scale(1.18); opacity: 1; } }
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { color: #fff; margin-bottom: 12px; }
.cta-band p { color: rgba(224, 234, 248, 0.9); margin-bottom: 28px; max-width: 56ch; margin-left: auto; margin-right: auto; }
.cta-band > div { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ----- Footer ----- */
.footer {
  background:
    radial-gradient(700px 300px at 90% 0%, rgba(27, 79, 142, 0.35), transparent 60%),
    var(--c-bg-dark);
  color: rgba(233, 240, 250, 0.72); padding: 72px 0 0;
}
.footer h4 { color: #fff; font-size: 0.82rem; font-weight: 700; margin-bottom: 18px; letter-spacing: 0.14em; text-transform: uppercase; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 56px; }
.footer-brand img { width: 46px; margin-bottom: 16px; }
.footer-brand strong { color: #fff; font-size: 1.42rem; display: block; margin-bottom: 4px; letter-spacing: 0.01em; }
.footer-brand small { color: rgba(207, 222, 243, 0.55); font-size: 0.76rem; letter-spacing: 0.15em; text-transform: uppercase; }
.footer-brand p { margin-top: 18px; font-size: 0.92rem; color: rgba(233, 240, 250, 0.66); max-width: 34ch; }

.footer ul { list-style: none; padding: 0; }
.footer ul li { padding: 5px 0; }
.footer ul a { color: rgba(233, 240, 250, 0.72); font-size: 0.92rem; }
.footer ul a:hover { color: #fff; }

.footer-contact div { display: flex; gap: 10px; padding: 5px 0; font-size: 0.92rem; }
.footer-contact div svg { flex-shrink: 0; opacity: 0.6; margin-top: 3px; }
.footer-contact a { color: rgba(233, 240, 250, 0.85); }
.footer-contact a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1); padding: 24px 0;
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
  font-size: 0.84rem; color: rgba(207, 222, 243, 0.5);
}

@media (max-width: 880px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .footer-grid { grid-template-columns: 1fr; gap: 32px; } }

/* ----- Generic page header (inner pages) ----- */
.page-header {
  position: relative; overflow: hidden;
  color: #fff; padding: calc(var(--nav-h) + 68px) 0 84px; text-align: center;
  background:
    radial-gradient(900px 400px at 80% -20%, rgba(79, 155, 255, 0.22), transparent 60%),
    radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1.5px) 0 0 / 24px 24px,
    linear-gradient(150deg, #081d3a 0%, #123a6b 55%, #1B4F8E 100%);
}
.page-header .container { position: relative; z-index: 1; }
.page-header h1 { color: #fff; }
.page-header p { color: rgba(224, 234, 248, 0.88); max-width: 62ch; margin: 0 auto; font-size: 1.12rem; }
.page-header .breadcrumb { display: inline-flex; gap: 8px; font-size: 0.85rem; color: rgba(207, 222, 243, 0.72); margin-bottom: 16px; }
.page-header .breadcrumb a:hover { color: #fff; }
.page-header .breadcrumb .sep { opacity: 0.4; }

/* ----- Service detail blocks ----- */
.service-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 5vw, 64px);
  align-items: center; padding: clamp(44px, 6vw, 80px) 0; border-bottom: 1px solid var(--c-border);
}
.service-row:last-child { border-bottom: none; }
.service-row--reverse > div:first-child { order: 2; }
.service-row img {
  border-radius: var(--r-lg); box-shadow: var(--shadow-lg);
  border: 1px solid var(--c-border); background: #fff;
}
.service-row h2 { margin-bottom: 14px; }
.service-row h2 .num {
  display: inline-flex; align-items: center;
  font-size: 0.82rem; color: var(--c-primary); font-weight: 700;
  background: linear-gradient(135deg, rgba(27, 79, 142, 0.1), rgba(79, 155, 255, 0.14));
  padding: 5px 12px; border-radius: 100px; vertical-align: middle;
  margin-right: 14px; letter-spacing: 0.12em;
}
.service-row > div > p { color: var(--c-text-soft); font-size: 1.05rem; }
.service-row ul { padding-left: 0; list-style: none; margin-top: 22px; }
.service-row ul li { padding: 12px 0 12px 34px; position: relative; color: var(--c-text-soft); border-top: 1px solid var(--c-border); }
.service-row ul li:first-child { border-top: none; }
.service-row ul li::before {
  content: '✓'; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 22px; height: 22px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-light)); color: #fff;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 0.78rem; font-weight: 700; box-shadow: 0 4px 10px rgba(27, 79, 142, 0.28);
}
@media (max-width: 880px) {
  .service-row { grid-template-columns: 1fr; gap: 28px; }
  .service-row--reverse > div:first-child { order: 0; }
}

/* ----- Contact ----- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(32px, 5vw, 56px); align-items: start; }
.contact-card {
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--r-lg);
  padding: 22px 24px; margin-bottom: 16px; display: flex; gap: 16px; align-items: flex-start;
  transition: all var(--transition);
}
.contact-card:hover { border-color: var(--c-border-strong); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.contact-card .icon {
  width: 48px; height: 48px; flex-shrink: 0;
  background: linear-gradient(135deg, rgba(27, 79, 142, 0.08), rgba(79, 155, 255, 0.12));
  color: var(--c-primary); border-radius: 12px; display: flex; align-items: center; justify-content: center;
}
.contact-card .icon svg { width: 22px; height: 22px; }
.contact-card h4 { margin: 0 0 4px; font-size: 1rem; }
.contact-card p { margin: 0; color: var(--c-text-soft); font-size: 0.95rem; }
.contact-card a { color: var(--c-primary); font-weight: 500; }

.form { background: #fff; border: 1px solid var(--c-border); border-radius: var(--r-lg); padding: clamp(24px, 4vw, 40px); box-shadow: var(--shadow-md); }
.form > h3 { margin-bottom: 6px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; color: var(--c-text); }
.form-field input, .form-field select, .form-field textarea {
  width: 100%; padding: 13px 15px; border: 1.5px solid var(--c-border); border-radius: var(--r-sm);
  font: inherit; color: var(--c-text); background: #fff; transition: border-color var(--transition), box-shadow var(--transition);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(27, 79, 142, 0.12);
}
.form-field textarea { resize: vertical; min-height: 120px; }
.form-honeypot { position: absolute; left: -9999px; }
.form-msg { display: none; padding: 12px 16px; border-radius: var(--r-sm); font-size: 0.9rem; margin-bottom: 12px; }
.form-msg.is-success { display: block; background: rgba(22, 163, 74, 0.1); color: var(--c-success); border: 1px solid rgba(22, 163, 74, 0.2); }
.form-msg.is-error { display: block; background: rgba(220, 38, 38, 0.08); color: #DC2626; border: 1px solid rgba(220, 38, 38, 0.2); }

@media (max-width: 880px) { .contact-grid { grid-template-columns: 1fr; } .form-row { grid-template-columns: 1fr; } }

/* ----- Reference grid ----- */
.ref-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.ref-card {
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--r-lg);
  overflow: hidden; transition: all var(--transition); display: flex; flex-direction: column;
}
.ref-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--c-border-strong); }
.ref-card .thumb {
  aspect-ratio: 16/10; position: relative;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--c-ink), var(--c-primary));
  overflow: hidden;
}
.ref-card .thumb::before {
  content: ''; position: absolute; inset: 0;
  background:
    repeating-radial-gradient(circle at 78% 24%, transparent 0 30px, rgba(255, 255, 255, 0.05) 30px 31px, transparent 31px 60px),
    radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1.4px) 0 0 / 20px 20px;
  opacity: 0.9;
}
.ref-card .thumb svg { position: relative; z-index: 1; width: 62px; height: 62px; color: #fff; opacity: 0.95; }
.ref-card .thumb[data-cat="konut"], .ref-card .thumb[data-cat="residential"] { background: linear-gradient(135deg, #0F2E5C, #1B4F8E); }
.ref-card .thumb[data-cat="otel"], .ref-card .thumb[data-cat="hotel"] { background: linear-gradient(135deg, #123a6b, #2E6FB8); }
.ref-card .thumb[data-cat="endustri"], .ref-card .thumb[data-cat="industry"] { background: linear-gradient(135deg, #0B2545, #3a73b0); }
.ref-card .thumb[data-cat="ticari"], .ref-card .thumb[data-cat="commercial"] { background: linear-gradient(135deg, #10365f, #3D87D9); }
.ref-card .thumb[data-cat="kamu"], .ref-card .thumb[data-cat="public"] { background: linear-gradient(135deg, #0F2E5C, #2b62a0); }
.ref-card .thumb[data-cat="egitim"], .ref-card .thumb[data-cat="education"] { background: linear-gradient(135deg, #123a6b, #1B4F8E); }
.ref-card .body { padding: 22px 24px; }
.ref-card .tag { font-size: 0.74rem; font-weight: 700; color: var(--c-primary); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 8px; }
.ref-card h3 { font-size: 1.12rem; margin-bottom: 6px; }
.ref-card p { color: var(--c-text-soft); font-size: 0.92rem; margin: 0; }

/* ----- Brand / capability gallery ----- */
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.gallery-grid figure { margin: 0; background: #fff; border: 1px solid var(--c-border); border-radius: var(--r-lg); overflow: hidden; transition: all var(--transition); }
.gallery-grid figure:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--c-border-strong); }
.gallery-grid img { border-radius: 0; aspect-ratio: 4/3; object-fit: cover; width: 100%; transition: transform var(--transition); }
.gallery-grid figure:hover img { transform: scale(1.03); }
.gallery-grid figcaption { padding: 14px 18px; font-size: 0.9rem; font-weight: 600; color: var(--c-text); }
/* legacy: bare imgs (if any remain) */
.gallery-grid > img { border-radius: var(--r-md); cursor: zoom-in; }

/* ----- Utility ----- */
.text-center { text-align: center; }
.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }
.mb-4 { margin-bottom: 1rem; }

/* ----- Motion preferences ----- */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
  .hero::after { display: none; }
}

/* ----- Print ----- */
@media print {
  .navbar, .scroll-progress, .nav-toggle, .footer, .form { display: none; }
  body { background: #fff; color: #000; }
  .hero, .page-header { color: #000; background: #fff; }
}