/* ==========================================================================
   Envirotek Kurumsal — Site CSS (Protan Standard)
   Vanilla CSS + CSS Custom Properties. PHP'ye sorunsuz göç için partial-dostu.
   ========================================================================== */

/* --- 1. Design Tokens --------------------------------------------------- */
:root {
  /* Brand — Envirotek (logo'dan) */
  --brand-1:        #014898;   /* koyu lacivert */
  --brand-2:        #2397d4;   /* açık mavi */
  --brand-3:        #0a6fb8;   /* geçiş tonu */
  --brand-gradient: linear-gradient(135deg, #014898 0%, #2397d4 100%);
  --brand-gradient-dark: linear-gradient(135deg, #022c5e 0%, #014898 100%);

  /* Nötr skala */
  --ink-0:   #ffffff;
  --ink-50:  #f5f8fb;
  --ink-100: #eaf0f6;
  --ink-200: #d4dde8;
  --ink-300: #b1bece;
  --ink-400: #7f8fa4;
  --ink-500: #5a6a82;
  --ink-600: #3e4c63;
  --ink-700: #283548;
  --ink-800: #162234;
  --ink-900: #0a1220;

  /* Semantic */
  --success: #16a34a;
  --warning: #d97706;
  --danger:  #dc2626;
  --info:    var(--brand-2);

  /* Tipografi */
  --ff-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --ff-display: "Inter", var(--ff-sans);

  /* Ölçek */
  --step--1: clamp(0.83rem, 0.80rem + 0.17vw, 0.94rem);
  --step-0:  clamp(0.95rem, 0.90rem + 0.25vw, 1.06rem);
  --step-1:  clamp(1.13rem, 1.05rem + 0.40vw, 1.35rem);
  --step-2:  clamp(1.40rem, 1.25rem + 0.75vw, 1.75rem);
  --step-3:  clamp(1.75rem, 1.50rem + 1.25vw, 2.50rem);
  --step-4:  clamp(2.25rem, 1.85rem + 2.00vw, 3.50rem);
  --step-5:  clamp(2.80rem, 2.20rem + 3.00vw, 4.75rem);

  /* Boşluk */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.5rem;
  --space-6:  2rem;
  --space-7:  3rem;
  --space-8:  4rem;
  --space-9:  6rem;
  --space-10: 8rem;

  /* Yuvarlaklık */
  --radius-sm: 6px;
  --radius:    10px;
  --radius-lg: 18px;
  --radius-xl: 28px;

  /* Gölge */
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.10);
  --shadow:    0 4px 10px rgba(16, 24, 40, 0.08), 0 10px 20px rgba(16, 24, 40, 0.06);
  --shadow-lg: 0 20px 40px rgba(16, 24, 40, 0.12), 0 8px 16px rgba(16, 24, 40, 0.08);
  --shadow-brand: 0 20px 40px rgba(1, 72, 152, 0.25);

  /* Layout */
  --container: 1240px;
  --container-sm: 960px;
  --header-h: 88px;

  /* Geçiş */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --dur: 220ms;
}

/* --- 2. Reset ----------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--ff-sans);
  font-size: var(--step-0);
  line-height: 1.6;
  color: var(--ink-700);
  background: var(--ink-0);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--brand-1); text-decoration: none; transition: color var(--dur) var(--ease); }
a:hover { color: var(--brand-2); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--ff-display);
  font-weight: 700;
  line-height: 1.15;
  color: var(--ink-800);
  letter-spacing: -0.02em;
}
h1 { font-size: var(--step-5); font-weight: 800; letter-spacing: -0.03em; }
h2 { font-size: var(--step-4); font-weight: 800; letter-spacing: -0.03em; }
h3 { font-size: var(--step-3); }
h4 { font-size: var(--step-2); }
h5 { font-size: var(--step-1); }
p { font-size: var(--step-0); }

/* --- 3. Layout primitives ---------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-5);
}
.container-sm { max-width: var(--container-sm); }

.section { padding-block: clamp(var(--space-7), 6vw, var(--space-9)); }
.section-tight { padding-block: var(--space-8); }
.section-dark { background: var(--brand-1); color: var(--ink-100); }
.section-dark h1, .section-dark h2, .section-dark h3 { color: var(--ink-0); }
.section-tint { background: var(--ink-50); }

.grid { display: grid; gap: var(--space-5); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.stack > * + * { margin-top: var(--space-4); }
.stack-lg > * + * { margin-top: var(--space-6); }

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brand-2);
  margin-bottom: var(--space-3);
}
.section-header { max-width: 720px; margin-bottom: var(--space-7); }
.section-header.center { margin-inline: auto; text-align: center; }
.section-header.wide { max-width: none; }
.section-header.nowrap { max-width: none; }
.section-header.nowrap h2 { white-space: nowrap; }
@media (max-width: 720px) {
  .section-header.nowrap { max-width: 720px; }
  .section-header.nowrap h2 { white-space: normal; }
}

.lead { font-size: var(--step-1); color: var(--ink-600); line-height: 1.55; }

/* --- 4. Button --------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: 0.95rem 1.6rem;
  font-weight: 600;
  font-size: var(--step-0);
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--dur) var(--ease);
  white-space: nowrap;
  line-height: 1;
}
.btn svg { width: 1.1em; height: 1.1em; }
.btn-primary {
  background-image: linear-gradient(90deg, #014898 0%, #2397d4 100%);
  background-color: #014898;
  color: var(--ink-0);
  border: 0;
  padding: calc(0.95rem + 1.5px) calc(1.6rem + 1.5px);
  box-shadow: var(--shadow-brand);
}
.btn-primary.btn-lg { padding: calc(1.1rem + 1.5px) calc(2rem + 1.5px); }
.btn-primary:hover {
  color: var(--ink-0);
  transform: translateY(-2px);
  box-shadow: 0 24px 48px rgba(1, 72, 152, 0.35);
}
.btn-primary:focus-visible { outline: 2px solid var(--ink-0); outline-offset: 2px; }
.btn-secondary {
  background: var(--ink-0);
  color: var(--brand-1);
  border-color: var(--ink-200);
}
.btn-secondary:hover { border-color: var(--brand-1); color: var(--brand-1); }
.btn-ghost {
  background: transparent;
  color: var(--ink-0);
  border-color: rgba(255, 255, 255, 0.35);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.10); color: var(--ink-0); border-color: var(--ink-0); }
.btn-lg { padding: 1.1rem 2rem; font-size: var(--step-1); }
.btn-arrow { gap: 0.7rem; padding-right: 1.75rem; letter-spacing: 0.01em; }
.btn-arrow svg { width: 1.15em; height: 1.15em; transition: transform var(--dur) var(--ease); will-change: transform; }
.btn-arrow:hover svg { transform: translateX(5px); }
.btn-block { display: flex; width: 100%; justify-content: center; }

/* --- 5. Header & Nav --------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--ink-100);
  transition: box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled { box-shadow: var(--shadow-sm); }
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  min-height: var(--header-h);
  gap: var(--space-5);
}
.brand { display: flex; align-items: center; gap: var(--space-3); flex-shrink: 0; }
.brand-logo { height: 44px; width: auto; }
.primary-nav { display: flex; gap: var(--space-1); list-style: none; padding: 0; }
.primary-nav > li { position: relative; }
.primary-nav a {
  display: block;
  padding: 0.75rem 1rem;
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--ink-700);
  border-radius: var(--radius-sm);
}
.primary-nav a:hover, .primary-nav a[aria-current="page"] {
  color: var(--brand-1); background: var(--ink-50);
}
.primary-nav .has-sub > a::after {
  content: ""; display: inline-block; margin-left: 0.4em;
  width: 0.4em; height: 0.4em;
  border-right: 2px solid currentColor; border-bottom: 2px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
}
.submenu {
  position: absolute; top: 100%; left: 0; min-width: 280px;
  background: var(--ink-0); border: 1px solid var(--ink-100);
  border-radius: var(--radius); padding: var(--space-3);
  box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: all var(--dur) var(--ease);
  list-style: none; display: grid; gap: 2px;
}
.has-sub:hover > .submenu, .has-sub:focus-within > .submenu {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.submenu a {
  padding: 0.6rem 0.8rem; font-size: 0.9rem; font-weight: 500;
  color: var(--ink-700); border-radius: var(--radius-sm);
}
.submenu a:hover { background: var(--ink-50); color: var(--brand-1); }

/* Wide submenu (iki kolon, grup başlıklı) — Kurumsal menüsü gibi */
.submenu.submenu-wide {
  min-width: 460px;
  column-count: 2;
  column-gap: var(--space-5);
  padding: var(--space-4);
}
.submenu.submenu-wide > li {
  break-inside: avoid;
  page-break-inside: avoid;
  display: block;
}
.submenu.submenu-wide > .submenu-head ~ .submenu-head {
  break-before: column;
  -webkit-column-break-before: always;
  page-break-before: column;
  padding-top: 0;
}
.submenu-head {
  font-size: 0.70rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.12em; color: var(--ink-400);
  padding: 0.6rem 0.8rem 0.3rem;
}
.header-cta { display: flex; gap: var(--space-3); align-items: center; }
.lang-switch { display: flex; gap: 2px; font-size: 0.82rem; font-weight: 700; }
.lang-switch a {
  display: inline-flex; align-items: center; gap: 0.45rem;
  padding: 0.45rem 0.65rem; color: var(--ink-500);
  border-radius: var(--radius-sm); text-transform: uppercase;
}
.lang-switch a::before {
  content: ""; width: 18px; height: 12px;
  background-size: cover; background-position: center; background-repeat: no-repeat;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.08);
  flex-shrink: 0;
}
.lang-switch a[hreflang="tr"]::before { background-image: url("../img/flags/tr.svg"); }
.lang-switch a[hreflang="en"]::before { background-image: url("../img/flags/gb.svg"); }
.lang-switch a.is-active { background: var(--brand-1); color: var(--ink-0); }

.nav-toggle {
  display: none; background: transparent; border: 0; cursor: pointer;
  width: 44px; height: 44px; border-radius: var(--radius-sm); color: var(--ink-800);
  position: relative; z-index: 61;
}
.nav-toggle svg { width: 28px; height: 28px; pointer-events: none; }

@media (max-width: 1024px) {
  /* backdrop-filter fixed child'ler için containing block yaratıyor —
     mobilde kaldır ki .site-nav fixed gerçekten viewport'a göre yerleşsin */
  .site-header {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: var(--ink-0);
  }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .primary-nav, .header-cta .btn { display: none; }
  .site-nav {
    position: fixed; inset: var(--header-h) 0 0 0;
    background: var(--ink-0); padding: var(--space-6) var(--space-5);
    overflow-y: auto;
    transform: translateX(100%);
    visibility: hidden;
    z-index: 60;
    transition: transform var(--dur) var(--ease), visibility 0s linear var(--dur);
  }
  .site-nav.is-open {
    transform: translateX(0);
    visibility: visible;
    transition: transform var(--dur) var(--ease), visibility 0s linear 0s;
  }
  .site-nav.is-open .primary-nav { display: flex; flex-direction: column; gap: 0; }
  .site-nav .submenu {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: 0; padding-left: var(--space-4);
  }
  .site-nav .submenu.submenu-wide {
    column-count: 1; min-width: 0; padding: var(--space-3) 0 var(--space-3) var(--space-4);
  }
  .site-nav .submenu.submenu-wide > .submenu-head ~ .submenu-head {
    break-before: auto; -webkit-column-break-before: auto; page-break-before: auto;
    padding-top: var(--space-4);
  }
}

/* --- 6. Hero ----------------------------------------------------------- */
.hero {
  position: relative; overflow: hidden;
  min-height: min(820px, 92vh);
  display: grid; align-items: center;
  color: var(--ink-0);
  isolation: isolate;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: var(--brand-gradient-dark);
  z-index: -2;
}
.hero-media {
  position: absolute; inset: 0; z-index: -1;
  background-size: cover; background-position: center;
  opacity: 0.55;
  overflow: hidden;
}
.hero-media video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  pointer-events: none;
  /* Video poster arka plandaki JPEG ile birebir olduğu için geçiş görünmez */
}
.hero-media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(2, 24, 56, 0.85) 0%, rgba(2, 24, 56, 0.35) 60%, rgba(2, 24, 56, 0.65) 100%);
  z-index: 1;
}
/* Reduced-motion kullanıcılarında video gizlenir, JPEG fallback kalır */
@media (prefers-reduced-motion: reduce) {
  .hero-media video { display: none; }
}
/* Çok düşük bant genişliği / veri tasarrufu istekleri */
@media (prefers-reduced-data: reduce) {
  .hero-media video { display: none; }
}
.hero .container { padding-block: var(--space-9); }
.hero-eyebrow {
  color: var(--brand-2);
  letter-spacing: 0.22em;
  font-weight: 700; font-size: 0.80rem; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 0.6rem;
}
.hero-eyebrow::before {
  content: ""; width: 2rem; height: 2px; background: var(--brand-2); display: inline-block;
}
.hero h1 { color: var(--ink-0); max-width: 30ch; margin-top: var(--space-4); font-size: clamp(2rem, 4.4vw, 3.4rem); line-height: 1.12; letter-spacing: -0.01em; }
.hero h1.hero-slogan {
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 3.6vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  max-width: 22ch;
  text-shadow: 0 2px 20px rgba(0, 20, 60, 0.3);
}
@media (max-width: 720px) { .hero h1 br { display: none; } }
.hero .lead { color: rgba(255, 255, 255, 0.85); max-width: 58ch; margin-top: var(--space-5); }
.hero-subtitle {
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(1.05rem, 1.6vw, 1.35rem);
  font-weight: 500;
  margin-top: var(--space-4);
  max-width: 48ch;
  letter-spacing: 0.005em;
}
.hero-tagline {
  color: var(--brand-2);
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  font-weight: 500;
  margin-top: var(--space-3);
  letter-spacing: 0.01em;
}
.hero-tagline em { font-style: italic; }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-6); }
.hero-stats {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-5); margin-top: var(--space-8);
  padding-top: var(--space-6); border-top: 1px solid rgba(255, 255, 255, 0.18);
  max-width: 760px;
}
.hero-stat .num {
  font-size: var(--step-3); font-weight: 800; color: var(--ink-0);
  display: block; line-height: 1;
  background: linear-gradient(120deg, #ffffff, #bfe0f5);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-stat .label {
  font-size: 0.82rem; font-weight: 500;
  color: rgba(255, 255, 255, 0.72); margin-top: var(--space-2);
  display: block;
}
.hero-scroll {
  position: absolute; bottom: var(--space-5); left: 50%; transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.6); font-size: 0.75rem;
  letter-spacing: 0.2em; text-transform: uppercase;
  animation: bob 2.2s ease-in-out infinite;
}
@keyframes bob { 0%,100%{transform:translate(-50%,0)} 50%{transform:translate(-50%,6px)} }

/* --- 7. Card patterns -------------------------------------------------- */
.card {
  background: var(--ink-0); border: 1px solid var(--ink-100);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
  display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--ink-200); }
.card-media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--ink-100); }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 600ms var(--ease); }
.card:hover .card-media img { transform: scale(1.06); }
.card-media-ph { /* fotoğraf gelene kadar gradient placeholder */
  position: absolute; inset: 0;
  background: var(--brand-gradient);
  display: grid; place-items: center;
  color: rgba(255,255,255,0.85);
  font-weight: 600; font-size: 0.85rem; letter-spacing: 0.1em; text-transform: uppercase;
}
.card-body { padding: var(--space-5); display: flex; flex-direction: column; flex: 1; }
.card-kicker {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--brand-2); margin-bottom: var(--space-2);
}
.card h3 { font-size: var(--step-2); margin-bottom: var(--space-2); }
.card-footer { margin-top: auto; padding-top: var(--space-4); }
.card-link {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-weight: 600; color: var(--brand-1);
}
.card-link::after {
  content: "→"; transition: transform var(--dur) var(--ease);
}
.card:hover .card-link::after { transform: translateX(4px); }

/* Industry card variant: full-height photo overlay */
.industry-card {
  position: relative; min-height: 380px;
  border-radius: var(--radius-lg); overflow: hidden;
  display: flex; flex-direction: column; justify-content: flex-end;
  color: var(--ink-0);
  background: var(--brand-gradient-dark);
  isolation: isolate;
}
.industry-card-media {
  position: absolute; inset: 0; z-index: -1;
  background-size: cover; background-position: center;
  transition: transform 600ms var(--ease);
}
.industry-card::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(to top, rgba(2, 24, 56, 0.95) 0%, rgba(2, 24, 56, 0.40) 60%, rgba(2, 24, 56, 0.10) 100%);
}
.industry-card:hover .industry-card-media { transform: scale(1.07); }
.industry-card-body { padding: var(--space-6); }
.industry-card h3 { color: var(--ink-0); margin-bottom: var(--space-2); }
.industry-card p { color: rgba(255, 255, 255, 0.82); font-size: 0.94rem; }
.industry-card-tag {
  position: absolute; top: var(--space-4); left: var(--space-4);
  z-index: 2;
  background: rgba(255, 255, 255, 0.18);
  -webkit-backdrop-filter: blur(10px) saturate(160%);
  backdrop-filter: blur(10px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 0.4rem 0.85rem; border-radius: 100px;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: #fff;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.industry-card:hover .industry-card-tag {
  background: var(--brand-2);
  border-color: var(--brand-2);
}

/* --- 8. Trust / Stats / Logo wall ------------------------------------- */
.stats-row {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-5);
}
.stat {
  padding: var(--space-5) var(--space-4);
  border-left: 3px solid var(--brand-2);
  background: var(--ink-50);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.stat .num { font-size: var(--step-3); font-weight: 800; color: var(--brand-1); display: block; line-height: 1; }
.stat .label { font-size: 0.88rem; color: var(--ink-500); margin-top: var(--space-2); }

.logo-wall {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0; border: 1px solid var(--ink-100); border-radius: var(--radius-lg);
  overflow: hidden; background: var(--ink-0);
}
.logo-wall-item {
  aspect-ratio: 3 / 2; display: grid; place-items: center;
  border-right: 1px solid var(--ink-100); border-bottom: 1px solid var(--ink-100);
  padding: var(--space-4); color: var(--ink-400);
  font-weight: 700; letter-spacing: 0.08em;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.logo-wall-item:hover { background: var(--ink-50); color: var(--brand-1); }

/* --- 9. Solutions / Services list ------------------------------------- */
.feature {
  display: flex; gap: var(--space-4); padding: var(--space-5);
  border-radius: var(--radius-lg); background: var(--ink-0); border: 1px solid var(--ink-100);
  transition: all var(--dur) var(--ease);
}
.feature:hover { border-color: var(--brand-2); box-shadow: var(--shadow); transform: translateY(-2px); }
.feature-icon {
  flex-shrink: 0;
  width: 52px; height: 52px; border-radius: var(--radius);
  display: grid; place-items: center;
  background: var(--brand-gradient); color: var(--ink-0);
}
.feature-icon svg { width: 26px; height: 26px; }
.feature h4 { font-size: var(--step-1); margin-bottom: var(--space-2); }
.feature p { color: var(--ink-500); font-size: 0.94rem; }

/* --- 10. CTA banner --------------------------------------------------- */
.cta-banner {
  position: relative; overflow: hidden;
  background: var(--brand-gradient);
  color: var(--ink-0); border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-6);
  display: grid; gap: var(--space-5);
  grid-template-columns: 1fr auto; align-items: center;
}
.cta-banner::before {
  content: ""; position: absolute; right: -120px; top: -120px;
  width: 380px; height: 380px; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.30), transparent 70%);
  pointer-events: none;
}
.cta-banner h2 { color: var(--ink-0); max-width: 22ch; }
.cta-banner p { color: rgba(255, 255, 255, 0.85); max-width: 52ch; margin-top: var(--space-3); }
.cta-banner .btn-primary { background: var(--ink-0); color: var(--brand-1); box-shadow: none; }
.cta-banner .btn-primary:hover { background: var(--ink-50); }
@media (max-width: 768px) { .cta-banner { grid-template-columns: 1fr; padding: var(--space-7) var(--space-5); } }

/* --- 11. Breadcrumb + page hero --------------------------------------- */
.page-hero {
  background: var(--brand-gradient-dark);
  color: var(--ink-0);
  padding: calc(var(--space-8) + 1rem) 0 var(--space-8);
  position: relative; overflow: hidden;
}
.page-hero::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 85% 50%, rgba(35, 151, 212, 0.25), transparent 45%);
  pointer-events: none;
}
.page-hero h1 { color: var(--ink-0); max-width: 22ch; font-size: var(--step-4); }
.page-hero p { color: rgba(255, 255, 255, 0.80); max-width: 58ch; margin-top: var(--space-4); }
.breadcrumb {
  display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center;
  font-size: 0.82rem; color: rgba(255, 255, 255, 0.7); margin-bottom: var(--space-4);
  list-style: none; padding: 0;
}
.breadcrumb a { color: rgba(255, 255, 255, 0.85); }
.breadcrumb a:hover { color: var(--ink-0); }
.breadcrumb li + li::before { content: "/"; margin-right: 0.4rem; color: rgba(255, 255, 255, 0.4); }

/* --- 12. Article / prose ---------------------------------------------- */
.prose { max-width: 72ch; font-size: var(--step-0); color: var(--ink-700); }
.prose > * + * { margin-top: var(--space-4); }
.prose h2 { margin-top: var(--space-7); font-size: var(--step-2); }
.prose h3 { margin-top: var(--space-6); font-size: var(--step-1); }
.prose ul, .prose ol { padding-left: 1.4rem; }
.prose li + li { margin-top: 0.4rem; }
.prose blockquote {
  border-left: 3px solid var(--brand-2);
  padding: var(--space-2) var(--space-5);
  color: var(--ink-600); font-style: italic;
  background: var(--ink-50); border-radius: 0 var(--radius) var(--radius) 0;
}

/* --- 13. Timeline (kurumsal için) ------------------------------------- */
.timeline { position: relative; padding-left: var(--space-6); }
.timeline::before {
  content: ""; position: absolute; top: 6px; bottom: 0; left: 7px;
  width: 2px; background: linear-gradient(to bottom, var(--brand-2), transparent);
}
.timeline-item { position: relative; padding-bottom: var(--space-6); }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: ""; position: absolute; left: calc(-1 * var(--space-6)); top: 4px;
  width: 16px; height: 16px; border-radius: 50%;
  box-sizing: border-box;
  background: var(--ink-0); border: 3px solid var(--brand-2);
  box-shadow: 0 0 0 4px rgba(35, 151, 212, 0.15);
}
.timeline-year {
  font-weight: 800; color: var(--brand-1);
  font-size: var(--step-1); display: block; margin-bottom: var(--space-2);
}

/* --- Demo: disabled menu items (sunum amaçlı, linki devre dışı) -------- */
.nav-disabled,
a.nav-disabled,
.mm-item.nav-disabled {
  opacity: 0.45;
  cursor: not-allowed !important;
  pointer-events: none;
  text-decoration: none !important;
}
.nav-disabled:hover { background: transparent !important; color: inherit !important; }

/* --- 14. Values grid --------------------------------------------------- */
.value {
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  background: var(--ink-0);
  border: 1px solid var(--ink-100);
}
.value .feature-icon { margin-bottom: var(--space-4); }
.value h4 { font-size: var(--step-1); margin-bottom: var(--space-2); }
.value p { color: var(--ink-500); font-size: 0.94rem; }

/* --- 15. Footer -------------------------------------------------------- */
.site-footer {
  background: #022c5e; color: var(--ink-300);
  padding: var(--space-9) 0 var(--space-5);
}
.site-footer h5 {
  color: var(--ink-0); font-size: 0.80rem; font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: var(--space-4);
}
.footer-grid {
  display: grid; gap: var(--space-6);
  grid-template-columns: 1.5fr 1fr 1fr 1.25fr;
}
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer-brand .brand-logo { margin-bottom: var(--space-4); }
.site-footer a { color: var(--ink-300); font-size: 0.92rem; }
.site-footer a:hover { color: var(--ink-0); }
.footer-list { list-style: none; padding: 0; display: grid; gap: 0.5rem; }
.footer-contact { display: grid; gap: var(--space-3); font-size: 0.92rem; }
.footer-contact div { display: flex; gap: var(--space-3); align-items: start; }
.footer-contact svg { width: 18px; height: 18px; flex-shrink: 0; color: var(--brand-2); margin-top: 2px; }
.footer-bottom {
  margin-top: var(--space-7); padding-top: var(--space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex; flex-wrap: wrap; gap: var(--space-4); justify-content: space-between;
  font-size: 0.82rem; color: var(--ink-400);
}
.social-row { display: flex; gap: var(--space-2); }
.social-row a {
  width: 38px; height: 38px; border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink-200);
}
.social-row a:hover { background: var(--brand-1); color: var(--ink-0); }

/* --- 16. Utils --------------------------------------------------------- */
.text-center { text-align: center; }
.text-brand { color: var(--brand-1); }
.sr-only {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap;
}
.no-scroll { overflow: hidden; }

/* --- 17. Reveal animations -------------------------------------------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 600ms var(--ease), transform 600ms var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important; animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important; scroll-behavior: auto !important;
  }
}

/* =========================================================================
   18. MEGA MENU
   ========================================================================= */
.primary-nav .has-mega { position: static; }
/* Kompakt mega menüyü parent'ın altında aç (full-width değil) */
.primary-nav > li.has-mega:has(> .megamenu-sm) { position: relative; }
.megamenu {
  position: absolute; left: 0; right: 0; top: 100%;
  background: var(--ink-0);
  border-top: 1px solid var(--ink-100);
  border-bottom: 1px solid var(--ink-100);
  box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden;
  transform: translateY(6px);
  transition: opacity var(--dur) var(--ease),
              visibility var(--dur) var(--ease),
              transform var(--dur) var(--ease);
  padding: var(--space-6) 0 var(--space-5);
}
.has-mega:hover > .megamenu,
.has-mega:focus-within > .megamenu { opacity: 1; visibility: visible; transform: translateY(0); }

/* Kompakt mega menü (tek/çift kolon, parent'a yakın — Kurumsal/Ürünler/Hizmetler) */
.megamenu.megamenu-sm {
  left: 0; right: auto;
  min-width: 260px; max-width: 640px;
  border: 1px solid var(--ink-100);
  border-radius: var(--radius);
  padding: var(--space-4);
  margin-top: 4px;
}
.megamenu.megamenu-sm .megamenu-grid {
  padding-inline: 0;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-5);
}
.megamenu.megamenu-sm .megamenu-col h5 { margin-bottom: var(--space-2); }

.megamenu-grid {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-5);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.megamenu-col h5 {
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--brand-2);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--ink-100);
}
.megamenu-col a.mm-item {
  display: flex; align-items: flex-start; gap: var(--space-3);
  padding: 0.7rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: background var(--dur) var(--ease);
  color: var(--ink-700);
}
.megamenu-col a.mm-item:hover {
  background: var(--ink-50);
  color: var(--ink-800);
}
.mm-icon {
  flex-shrink: 0;
  width: 38px; height: 38px; border-radius: 9px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(1,72,152,0.10), rgba(35,151,212,0.12));
  color: var(--brand-1);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.mm-icon svg { width: 18px; height: 18px; }
.megamenu-col a.mm-item:hover .mm-icon {
  background: var(--brand-gradient);
  color: #fff;
}
.mm-text strong {
  display: block; font-weight: 600; font-size: 0.94rem;
  color: var(--ink-800); line-height: 1.25;
}
.mm-text em {
  display: block; font-style: normal; font-size: 0.80rem;
  color: var(--ink-500); margin-top: 2px; line-height: 1.4;
}
.megamenu-foot {
  max-width: var(--container);
  margin: var(--space-5) auto 0;
  padding: var(--space-4) var(--space-5) 0;
  border-top: 1px solid var(--ink-100);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.88rem;
}
.megamenu-foot a {
  color: var(--brand-1); font-weight: 600;
  display: inline-flex; align-items: center; gap: 0.4rem;
}
.megamenu-foot a::after { content: "→"; transition: transform var(--dur) var(--ease); }
.megamenu-foot a:hover::after { transform: translateX(4px); }

@media (max-width: 1024px) {
  .megamenu {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: 0; padding: var(--space-3) 0;
    display: none;
  }
  .has-mega.is-open > .megamenu { display: block; }
  .megamenu-grid { grid-template-columns: 1fr; gap: var(--space-4); padding-inline: var(--space-3); }
  .megamenu-foot { flex-direction: column; gap: var(--space-2); align-items: flex-start; }
}

/* =========================================================================
   19. CAROUSEL (sektörler için)
   ========================================================================= */
.carousel {
  position: relative;
  margin-inline: calc(-1 * var(--space-5));
  padding-inline: var(--space-5);
}
.carousel-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: calc((100% - 2 * var(--space-5)) / 3);
  gap: var(--space-5);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-block: var(--space-2);
  padding-inline: var(--space-5);
  margin-inline: calc(-1 * var(--space-5));
}
.carousel-track::-webkit-scrollbar { display: none; }
.carousel-track > * { scroll-snap-align: start; }

.carousel-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--ink-0); border: 1px solid var(--ink-200);
  box-shadow: var(--shadow);
  display: grid; place-items: center;
  cursor: pointer; color: var(--brand-1);
  transition: all var(--dur) var(--ease);
  z-index: 3;
}
.carousel-nav:hover {
  background: var(--brand-gradient); color: #fff; border-color: transparent;
  box-shadow: var(--shadow-brand); transform: translateY(-50%) scale(1.05);
}
.carousel-nav svg { width: 22px; height: 22px; }
.carousel-nav[data-prev] { left: calc(-1 * var(--space-4)); }
.carousel-nav[data-next] { right: calc(-1 * var(--space-4)); }
.carousel-nav:disabled { opacity: 0.4; cursor: not-allowed; transform: translateY(-50%); }

.carousel-dots {
  display: flex; gap: 0.5rem; justify-content: center;
  margin-top: var(--space-5);
}
.carousel-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--ink-200); border: 0; padding: 0; cursor: pointer;
  transition: all var(--dur) var(--ease);
}
.carousel-dot.is-active { background: var(--brand-1); width: 28px; border-radius: 100px; }

@media (max-width: 900px) {
  .carousel-track { grid-auto-columns: calc((100% - var(--space-4)) / 2); }
  .carousel-nav { display: none; }
}
@media (max-width: 600px) {
  .carousel-track { grid-auto-columns: 85%; }
}

/* =========================================================================
   20. STATS ENHANCED (Rakamlarla Envirotek)
   ========================================================================= */
.stats-hero {
  position: relative;
  background: linear-gradient(135deg, #014898 0%, #0a6fb8 55%, #2397d4 100%);
  color: #fff;
  padding-block: clamp(var(--space-7), 6vw, var(--space-9));
  overflow: hidden;
  isolation: isolate;
}
.stats-hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(circle at 15% 15%, rgba(255,255,255,0.12), transparent 50%),
    radial-gradient(circle at 85% 85%, rgba(35,151,212,0.45), transparent 55%),
    radial-gradient(circle at 50% 50%, rgba(1,72,152,0.35), transparent 70%);
}
.stats-hero-head {
  display: grid; grid-template-columns: 1fr auto; align-items: end;
  gap: var(--space-5);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid rgba(255,255,255,0.15);
  margin-bottom: var(--space-6);
}
.stats-hero-head .eyebrow { color: #fff; }
.stats-hero .eyebrow { color: #fff; }
.stats-hero-head h2 { color: #fff; margin-top: var(--space-2); max-width: 18ch; }
.stats-hero-head p { color: rgba(255,255,255,0.75); max-width: 38ch; font-size: 0.94rem; }
@media (max-width: 820px) {
  .stats-hero-head { grid-template-columns: 1fr; }
}

.stats-hero-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}
@media (max-width: 820px) { .stats-hero-grid { grid-template-columns: repeat(2, 1fr); } }

.stat-big {
  position: relative;
  padding: var(--space-4) 0;
}
.stat-big + .stat-big { border-left: 1px solid rgba(255,255,255,0.12); padding-left: var(--space-5); }
.stat-big .stat-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: grid; place-items: center;
  color: #fff;
  margin-bottom: var(--space-4);
}
.stat-big .stat-icon svg { width: 22px; height: 22px; }
.stat-big .num {
  font-size: clamp(2.5rem, 4vw, 3.75rem);
  font-weight: 800; line-height: 0.95;
  color: #fff;
  background: linear-gradient(120deg, #ffffff, #bfe0f5);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  display: block;
}
.stat-big .label {
  display: block; margin-top: var(--space-2);
  color: rgba(255,255,255,0.85); font-weight: 600; font-size: 0.95rem;
}
.stat-big .desc {
  margin-top: var(--space-2); color: rgba(255,255,255,0.6);
  font-size: 0.82rem; line-height: 1.5;
}
@media (max-width: 820px) {
  .stat-big + .stat-big { border-left: 0; padding-left: 0; }
}

/* =========================================================================
   21. SERVICES LANE (alternating service rows)
   ========================================================================= */
.services-lane {
  display: grid; gap: var(--space-6);
}
.service-row {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-6);
  align-items: center;
  background: var(--ink-0);
  border: 1px solid var(--ink-100);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.service-row:hover { box-shadow: var(--shadow-lg); border-color: var(--brand-2); }
.service-row.is-reverse { grid-template-columns: 1fr 1.1fr; }
.service-row.is-reverse .service-media { order: 2; }
.service-row.is-reverse .service-body { order: 1; }

.service-media {
  position: relative; align-self: stretch;
  min-height: 320px;
  background: var(--brand-gradient-dark);
  overflow: hidden;
}
.service-media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to bottom right, rgba(1,72,152,0.55), transparent 60%);
}
.service-media img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover;
}
.service-num {
  position: absolute; top: var(--space-5); left: var(--space-5); z-index: 2;
  font-family: var(--ff-display);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 800;
  color: rgba(255,255,255,0.25);
  line-height: 0.85; letter-spacing: -0.04em;
}
.service-icon-lg {
  position: absolute; right: var(--space-5); bottom: var(--space-5); z-index: 2;
  width: 72px; height: 72px; border-radius: 16px;
  background: rgba(255,255,255,0.14);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.20);
  display: grid; place-items: center;
  color: #fff;
}
.service-icon-lg svg { width: 34px; height: 34px; }

.service-body { padding: var(--space-7) var(--space-6); }
.service-body .card-kicker { color: var(--brand-2); }
.service-body h3 {
  font-size: var(--step-2); margin: var(--space-2) 0 var(--space-3);
}
.service-body p { color: var(--ink-500); max-width: 52ch; }
.service-points {
  list-style: none; padding: 0; margin: var(--space-5) 0 var(--space-5);
  display: grid; gap: var(--space-2);
}
.service-points li {
  display: flex; gap: var(--space-3); align-items: flex-start;
  font-size: 0.94rem; color: var(--ink-600);
}
.service-points li::before {
  content: ""; flex-shrink: 0; margin-top: 8px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--brand-gradient);
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center / 60% no-repeat;
          mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center / 60% no-repeat;
}
.service-meta {
  display: flex; align-items: center; gap: var(--space-5);
  padding-top: var(--space-5); border-top: 1px solid var(--ink-100);
  flex-wrap: wrap;
}
.service-meta-stat strong {
  display: block; font-size: var(--step-1); font-weight: 800;
  color: var(--brand-1); line-height: 1;
}
.service-meta-stat span {
  display: block; font-size: 0.78rem; color: var(--ink-500);
  text-transform: uppercase; letter-spacing: 0.1em; margin-top: 4px;
}
.service-meta .card-link { margin-left: auto; }

@media (max-width: 900px) {
  .service-row, .service-row.is-reverse { grid-template-columns: 1fr; }
  .service-row.is-reverse .service-media { order: 0; }
  .service-row.is-reverse .service-body { order: 0; }
  .service-media { min-height: 240px; }
  .service-body { padding: var(--space-5); }
}

/* =========================================================================
   22. SOLUTIONS — locked 3-col grid
   ========================================================================= */
.grid-3-fixed {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
@media (max-width: 900px) { .grid-3-fixed { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid-3-fixed { grid-template-columns: 1fr; } }

/* =========================================================================
   23. LOGO WALL (referans logoları)
   ========================================================================= */
.logo-wall img {
  max-width: 70%; max-height: 55%;
  object-fit: contain;
  filter: grayscale(100%) opacity(0.65);
  transition: filter var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.logo-wall-item:hover img {
  filter: grayscale(0%) opacity(1);
  transform: scale(1.04);
}

/* =========================================================================
   24. SERVICES COMPACT CARDS (grid alternative, kısa yükseklik)
   ========================================================================= */
.services-compact {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
@media (max-width: 980px) { .services-compact { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .services-compact { grid-template-columns: 1fr; } }

.svc-card {
  position: relative;
  display: flex; flex-direction: column;
  background: var(--ink-0);
  border: 1px solid var(--ink-100);
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-5) var(--space-5);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
  overflow: hidden;
  isolation: isolate;
}
.svc-card::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(160deg, rgba(1,72,152,0.04) 0%, transparent 55%);
  opacity: 0; transition: opacity var(--dur) var(--ease);
}
.svc-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--brand-2);
}
.svc-card:hover::before { opacity: 1; }

.svc-card-head {
  display: flex; align-items: center; gap: var(--space-4);
  margin-bottom: var(--space-4);
}
.svc-card-icon {
  flex-shrink: 0;
  width: 56px; height: 56px; border-radius: 14px;
  background: var(--brand-gradient);
  display: grid; place-items: center;
  color: #fff;
  box-shadow: 0 8px 20px -8px rgba(1,72,152,0.35);
}
.svc-card-icon svg { width: 26px; height: 26px; }
.svc-card-num {
  font-family: var(--ff-display);
  font-size: 2rem; font-weight: 800;
  color: var(--ink-200);
  line-height: 1; letter-spacing: -0.04em;
  margin-left: auto;
}
.svc-card h3 {
  font-size: 1.22rem; font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--ink-800);
}
.svc-card p {
  color: var(--ink-500); font-size: 0.94rem;
  margin-bottom: var(--space-5);
  flex-grow: 1;
}
.svc-card-meta {
  display: flex; gap: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--ink-100);
  align-items: center;
}
.svc-card-meta-stat { display: flex; flex-direction: column; }
.svc-card-meta-stat strong {
  font-size: 1rem; font-weight: 800;
  color: var(--brand-1); line-height: 1;
}
.svc-card-meta-stat span {
  font-size: 0.72rem; color: var(--ink-500);
  text-transform: uppercase; letter-spacing: 0.08em;
  margin-top: 3px;
}
.svc-card-link {
  margin-left: auto;
  color: var(--brand-1); font-weight: 600;
  font-size: 0.88rem;
  display: inline-flex; align-items: center; gap: 6px;
  transition: gap var(--dur) var(--ease);
}
.svc-card:hover .svc-card-link { gap: 12px; }
.svc-card-link::after {
  content: "→"; transition: transform var(--dur) var(--ease);
}

/* =========================================================================
   25. LOGO MARQUEE (sürekli kayan logo bandı)
   ========================================================================= */
.logo-marquee {
  position: relative;
  overflow: hidden;
  padding: var(--space-5) 0;
  -webkit-mask-image: linear-gradient(to right, transparent 0, black 6%, black 94%, transparent 100%);
          mask-image: linear-gradient(to right, transparent 0, black 6%, black 94%, transparent 100%);
}
.logo-marquee-track {
  display: flex;
  gap: var(--space-7);
  width: max-content;
  animation: logo-scroll 55s linear infinite;
}
.logo-marquee:hover .logo-marquee-track { animation-play-state: paused; }
.logo-marquee-item {
  flex-shrink: 0;
  display: grid; place-items: center;
  height: 72px; width: 150px;
}
.logo-marquee-item img {
  max-width: 100%; max-height: 100%;
  object-fit: contain;
  filter: grayscale(100%) opacity(0.55) brightness(1.05);
  mix-blend-mode: luminosity;
  transition: filter var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.logo-marquee-item:hover img {
  filter: grayscale(0%) opacity(1) brightness(1);
  mix-blend-mode: normal;
  transform: scale(1.05);
}
/* Koyu stats-hero zeminde logoları netleştirmek için */
.stats-hero .logo-marquee-item img {
  filter: grayscale(100%) opacity(0.7) brightness(1.35) contrast(0.9);
}
.stats-hero .logo-marquee-item:hover img {
  filter: grayscale(0%) opacity(1) brightness(1.1);
}
@keyframes logo-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(calc(-50% - var(--space-7) / 2)); }
}
@media (max-width: 640px) {
  .logo-marquee-item { width: 110px; height: 56px; }
  .logo-marquee-track { gap: var(--space-5); animation-duration: 40s; }
}

/* =========================================================================
   26. FOOTER CONTACT REFINED (ikonlu liste, daha ferah)
   ========================================================================= */
.footer-contact-refined {
  display: grid; gap: var(--space-4);
  margin-top: var(--space-3);
}
.fcr-item {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: var(--space-3);
  align-items: start;
}
.fcr-item .fcr-icon {
  width: 32px; height: 32px; border-radius: 8px;
  background: rgba(35,151,212,0.12);
  display: grid; place-items: center;
  color: var(--brand-2);
  flex-shrink: 0;
}
.fcr-item .fcr-icon svg { width: 15px; height: 15px; }
.fcr-item .fcr-label {
  display: block;
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 4px;
}
.fcr-item .fcr-text {
  display: block;
  color: rgba(255,255,255,0.88);
  font-size: 0.93rem; line-height: 1.55;
}
.fcr-item .fcr-text a {
  color: inherit; transition: color var(--dur) var(--ease);
}
.fcr-item .fcr-text a:hover { color: var(--brand-2); }

/* =========================================================================
   27. RESPONSIVE — Tablet & Mobile refinements
   ========================================================================= */

/* ---- Tablet (≤1024px) ---- */
@media (max-width: 1024px) {
  :root { --header-h: 72px; }
  .container { padding-inline: var(--space-5); }
  .brand-logo { height: 36px; }

  /* has-mega indicator (mobile accordion) */
  .site-nav .primary-nav .has-mega > a,
  .site-nav .primary-nav .has-sub > a {
    display: flex; align-items: center; justify-content: space-between;
  }
  .site-nav .primary-nav .has-mega > a::after {
    content: ""; display: inline-block;
    width: 0.5em; height: 0.5em;
    border-right: 2px solid currentColor; border-bottom: 2px solid currentColor;
    transform: rotate(45deg); transition: transform var(--dur) var(--ease);
    margin-left: 0.5em;
  }
  .site-nav .has-mega.is-open > a::after,
  .site-nav .has-sub.is-open > a::after {
    transform: rotate(-135deg);
  }

  /* Mobile nav items — full-width rows with dividers */
  .site-nav .primary-nav > li { width: 100%; border-bottom: 1px solid var(--ink-100); }
  .site-nav .primary-nav > li:last-child { border-bottom: 0; }
  .site-nav .primary-nav > li > a {
    padding: 0.95rem 0.25rem;
    font-size: 1rem;
    border-radius: 0;
  }

  /* Mobile mega-menu — flat, no card border */
  .site-nav .megamenu.megamenu-sm {
    border: 0; border-radius: 0; padding: 0 0 var(--space-3) var(--space-3);
    margin-top: 0;
  }
  .site-nav .megamenu .megamenu-grid {
    grid-template-columns: 1fr; gap: var(--space-3); padding: 0;
  }
  .site-nav .megamenu-col h5 {
    font-size: 0.68rem; margin-bottom: var(--space-2); padding-bottom: var(--space-2);
  }
  .site-nav .megamenu-col a.mm-item {
    padding: 0.55rem 0.5rem; gap: var(--space-3);
  }
  .site-nav .mm-icon { width: 32px; height: 32px; border-radius: 8px; }
  .site-nav .mm-icon svg { width: 16px; height: 16px; }
  .site-nav .mm-text em { display: none; }  /* açıklamaları gizle, daha kompakt */

  /* Submenu (Ürünler eski yapı kalırsa) */
  .site-nav .submenu { padding-left: var(--space-3); }
}

/* ---- Küçük tablet / büyük mobil (≤640px) ---- */
@media (max-width: 640px) {
  :root { --header-h: 64px; }
  .container { padding-inline: var(--space-4); }
  .brand-logo { height: 32px; }

  .site-header .container { gap: var(--space-3); }
  .header-cta { gap: var(--space-2); }

  /* Dil anahtarını kompaktla, hero CTA butonunu gizle */
  .lang-switch a { padding: 0.4rem 0.5rem; font-size: 0.78rem; }
  .lang-switch a::before { width: 16px; height: 11px; }
  .nav-toggle { width: 40px; height: 40px; }
  .nav-toggle svg { width: 24px; height: 24px; }

  /* Section padding'leri rahatlat */
  .section { padding-block: var(--space-7); }

  /* CTA banner kompakt */
  .cta-banner { padding: var(--space-6) var(--space-5); border-radius: var(--radius-lg); }
  .cta-banner h2 { font-size: var(--step-2); }

  /* Hero iç boşluk */
  .hero .container { padding-block: var(--space-8); }
  .hero h1.hero-slogan { font-size: clamp(1.5rem, 7vw, 2.2rem); }

  /* Grid'leri tek kolona düşür */
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ---- Küçük mobil (≤420px) ---- */
@media (max-width: 420px) {
  .container { padding-inline: var(--space-3); }
  .lang-switch a { padding: 0.35rem 0.45rem; }
  /* Logo bazen taşabilir */
  .brand-logo { height: 28px; }
}