@import url("/assets/fonts/fonts.css");

/* =====================================================================
   SOYLU TR — tasarim sistemi

   Yon: "Parca Plakasi". Sayfanin yapisal isaretleri uydurma numaralar degil,
   bu sektorun kendi dili olan katalog kodlari (MTR, HDR, FLT). Urun grubu
   karti, bir makinenin uzerindeki metal kunye plakasi gibi kurgulanmistir:
   perceli ust serit, kabartma kod, hover'da damga golgesi.
   Gosteris tek bir yerde toplanir; geri kalan her sey sakin durur.
   ===================================================================== */

:root {
  /* Renk */
  --ink:        #14181A;   /* dokum demir siyahi, yesile calan */
  --ink-soft:   #232A2C;
  --field:      #0B4B3A;   /* Soylu yesili */
  --field-lift: #0F6349;
  --steel:      #6E7B7E;   /* islenmis celik grisi */
  --steel-dim:  #93A0A2;
  --paper:      #EDEEEC;   /* soguk teknik cizim kagidi */
  --white:      #FFFFFF;
  --zinc:       #D9DBD6;   /* kenarliklar */
  --zinc-deep:  #C2C6C0;
  --signal:     #F2C200;   /* is makinesi sarisi - cok az kullanilir */
  --danger:     #B3261E;
  --success:    #0B6B45;

  /* Tipografi */
  --font-display: "Archivo", "Segoe UI", system-ui, sans-serif;
  --font-body:    "Public Sans", "Segoe UI", system-ui, sans-serif;
  --font-mono:    "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;

  /* Olcu */
  --container: 1280px;
  --gutter: clamp(20px, 4vw, 40px);
  --section-y: clamp(56px, 8vw, 104px);

  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* --- Temel ------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 16px/1.65 var(--font-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

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

p { margin: 0 0 1.15em; }
p:last-child { margin-bottom: 0; }

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

ul, ol { margin: 0 0 1.15em; padding-left: 1.2em; }

hr { border: 0; border-top: 1px solid var(--zinc); margin: 32px 0; }

:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 2px;
}

::selection { background: var(--signal); color: var(--ink); }

.skip-link {
  position: absolute; left: 8px; top: -60px; z-index: 999;
  background: var(--ink); color: var(--white);
  padding: 12px 20px; font-weight: 600;
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 8px; }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* --- Duzen ------------------------------------------------------------ */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section-y); }
.section--tight { padding-block: clamp(40px, 5vw, 64px); }
.section--ink { background: var(--ink); color: var(--paper); }
.section--white { background: var(--white); }

/* Bolum basligi: mono etiket + baslik + tanim */
.section-head {
  display: grid;
  gap: 14px;
  max-width: 720px;
  margin-bottom: clamp(32px, 4vw, 52px);
}
.section-head--split {
  max-width: none;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 24px 40px;
}
.section-head--split > .eyebrow { grid-column: 1 / -1; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--field);
  display: flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 2px;
  background: var(--signal);
  flex: none;
}
.section--ink .eyebrow { color: var(--signal); }
.section--ink .eyebrow::before { background: var(--signal); }

.section-title { font-size: clamp(30px, 4.4vw, 50px); }
.section-lead { color: var(--steel); max-width: 62ch; font-size: clamp(16px, 1.6vw, 18px); }
.section--ink .section-lead { color: var(--steel-dim); }

/* --- Butonlar --------------------------------------------------------- */
.btn {
  --btn-bg: var(--ink);
  --btn-fg: var(--white);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 26px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid var(--btn-bg);
  font: 600 15px/1 var(--font-body);
  letter-spacing: .01em;
  cursor: pointer;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease);
}
.btn:hover { background: var(--field); border-color: var(--field); }
.btn:active { transform: translateY(1px); }

.btn--signal { --btn-bg: var(--signal); --btn-fg: var(--ink); }
.btn--signal:hover { background: #FFD426; border-color: #FFD426; color: var(--ink); }

.btn--ghost { --btn-bg: transparent; --btn-fg: var(--ink); border-color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--white); }

.btn--on-dark { --btn-bg: transparent; --btn-fg: var(--white); border-color: rgba(255,255,255,.4); }
.btn--on-dark:hover { background: var(--white); color: var(--ink); border-color: var(--white); }

.btn--block { width: 100%; justify-content: center; }

/* Ok isareti hover'da ilerler */
.btn .arrow, .textlink .arrow { transition: transform .18s var(--ease); }
.btn:hover .arrow, .textlink:hover .arrow { transform: translateX(4px); }

.textlink {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 600; font-size: 15px;
  border-bottom: 2px solid var(--signal);
  padding-bottom: 2px;
}
.textlink:hover { color: var(--field); }

/* --- Ust serit -------------------------------------------------------- */
.topbar {
  background: var(--ink);
  color: rgba(255,255,255,.72);
  font-size: 13px;
}
.topbar__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; min-height: 40px; flex-wrap: wrap;
}
.topbar__contact { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.topbar a:hover { color: var(--signal); }
.topbar__meta { display: flex; align-items: center; gap: 14px; }

.lang-switch { display: flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 12px; }
.lang-switch a { padding: 2px 4px; }
.lang-switch [aria-current="true"] { color: var(--white); font-weight: 500; }
.lang-switch span { color: rgba(255,255,255,.28); }

/* --- Baslik / gezinme ------------------------------------------------- */
.masthead {
  position: sticky; top: 0; z-index: 40;
  background: var(--paper);
  border-bottom: 3px solid var(--field);
}
.masthead__inner {
  display: flex; align-items: center; gap: 24px;
  min-height: 82px;
}

.brand { display: flex; align-items: center; gap: 13px; flex: none; margin-right: auto; }
.brand__img { max-height: 52px; width: auto; }
.brand__badge {
  width: 46px; height: 46px; flex: none;
  background: var(--field); color: var(--white);
  display: grid; place-items: center;
  font: 800 15px/1 var(--font-display); letter-spacing: .04em;
}
.brand__text { display: grid; gap: 3px; }
.brand__name { font: 700 17px/1.05 var(--font-display); letter-spacing: -.01em; }
.brand__tag { font-size: 11.5px; color: var(--steel); line-height: 1.2; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  padding: 10px 14px;
  font-weight: 600; font-size: 15px;
  position: relative;
}
.nav a::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 4px;
  height: 2px; background: var(--signal);
  transform: scaleX(0); transform-origin: left;
  transition: transform .2s var(--ease);
}
.nav a:hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }
.nav a[aria-current="page"] { color: var(--field); }

.masthead .btn { padding: 13px 20px; font-size: 14px; }
/* Teklif butonu masaustunde menunun disinda, mobilde menunun icinde durur. */
.nav > .btn { display: none; }

.nav-toggle {
  display: none;
  width: 46px; height: 46px;
  background: var(--ink); color: var(--white);
  border: 0; cursor: pointer;
  align-items: center; justify-content: center;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; display: block; width: 20px; height: 2px; background: currentColor;
  transition: transform .2s var(--ease), opacity .2s var(--ease);
}
.nav-toggle span::before { transform: translateY(-6px); }
.nav-toggle span::after  { transform: translateY(4px); }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after  { transform: rotate(-45deg) translateY(-1px); }

/* --- Hero ------------------------------------------------------------- */
.hero {
  position: relative;
  background: var(--ink);
  color: var(--white);
  overflow: hidden;
  min-height: clamp(460px, 68vh, 660px);
  display: flex; align-items: flex-end;
}
.hero__layer {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0;
  transition: opacity 900ms var(--ease);
}
.hero__layer.is-active { opacity: 1; }
.hero__layer::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(100deg, rgba(20,24,26,.94) 0%, rgba(20,24,26,.78) 42%, rgba(20,24,26,.35) 100%);
}
/* Teknik izgara dokusu - hafif, sadece dokunus */
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
}
.hero__inner {
  position: relative;
  width: 100%;
  padding-block: clamp(64px, 9vw, 104px) clamp(40px, 5vw, 56px);
}
.hero__content { max-width: 730px; }
.hero__title {
  font-size: clamp(34px, 5.6vw, 66px);
  font-weight: 800;
  margin-bottom: 20px;
  text-wrap: balance;
}
.hero__text {
  font-size: clamp(16px, 1.8vw, 19px);
  color: rgba(255,255,255,.8);
  max-width: 60ch;
  margin-bottom: 32px;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }

.hero__controls {
  position: relative;
  display: flex; align-items: center; gap: 18px;
  margin-top: clamp(36px, 5vw, 56px);
  padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,.16);
}
.hero__counter {
  font-family: var(--font-mono); font-size: 12.5px;
  letter-spacing: .16em; color: var(--signal);
  white-space: nowrap; flex: none;
}
.hero__dots { display: flex; gap: 8px; margin-right: auto; }
.hero__dot {
  width: 14px; height: 4px; padding: 0; border: 0; cursor: pointer;
  background: rgba(255,255,255,.3);
  transition: width .25s var(--ease), background .25s var(--ease);
}
.hero__dot[aria-current="true"] { width: 38px; background: var(--signal); }
.hero__arrow {
  width: 42px; height: 42px; flex: none;
  background: transparent; color: var(--white);
  border: 1px solid rgba(255,255,255,.3);
  display: grid; place-items: center; cursor: pointer;
  transition: background .18s var(--ease), color .18s var(--ease);
}
.hero__arrow:hover { background: var(--white); color: var(--ink); }

/* --- Ozellikler seridi ------------------------------------------------ */
.features {
  background: var(--white);
  border-bottom: 1px solid var(--zinc);
}
.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}
.feature {
  padding: clamp(26px, 3vw, 38px) clamp(20px, 2.4vw, 32px);
  border-right: 1px solid var(--zinc);
  display: grid; gap: 12px; align-content: start;
}
.feature:last-child { border-right: 0; }
.feature__icon { width: 28px; height: 28px; color: var(--field); }
.feature__title { font-size: 18px; font-weight: 700; }
.feature__text { font-size: 14.5px; color: var(--steel); margin: 0; }

/* --- Kurumsal ozeti --------------------------------------------------- */
.about {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.about__body { max-width: 60ch; }
.about__title { font-size: clamp(28px, 3.8vw, 44px); margin-bottom: 18px; }
.about__text { color: var(--steel); font-size: 17px; margin-bottom: 28px; }
.about__figure { position: relative; }
.about__figure img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.about__figure::after {
  content: ""; position: absolute; inset: 12px -12px -12px 12px;
  border: 1px solid var(--zinc-deep); z-index: -1;
}

/* --- IMZA OGE: parca plakasi ----------------------------------------- */
.plate-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--zinc);
  border: 1px solid var(--zinc);
}

.plate {
  position: relative;
  display: flex; flex-direction: column;
  background: var(--white);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.plate:hover, .plate:focus-within {
  transform: translate(-3px, -3px);
  box-shadow: 6px 6px 0 var(--ink);
  z-index: 2;
}

/* Ust serit: katalog kodu + urun sayisi. Kenarlardaki iki nokta perce. */
.plate__strip {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 16px;
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .16em;
  transition: background .2s var(--ease);
}
.plate:hover .plate__strip { background: var(--field); }
.plate__strip::before,
.plate__strip::after {
  content: "";
  width: 5px; height: 5px; border-radius: 50%;
  background: rgba(255,255,255,.35);
  box-shadow: inset 0 1px 0 rgba(0,0,0,.5);
  flex: none;
}
.plate__code { font-weight: 500; }
.plate__count {
  margin-left: auto;
  color: var(--signal);
  letter-spacing: .1em;
}
.plate__count small { color: rgba(255,255,255,.55); letter-spacing: .06em; }

.plate__media {
  aspect-ratio: 16 / 10;
  background: var(--paper);
  overflow: hidden;
}
.plate__media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s var(--ease);
}
.plate:hover .plate__media img { transform: scale(1.035); }

.plate__body {
  padding: 22px 20px 24px;
  display: grid; gap: 9px;
  flex: 1;
  align-content: start;
}
.plate__title { font-size: 20px; }
.plate__text { font-size: 14.5px; color: var(--steel); margin: 0; }

.plate__foot {
  margin-top: auto;
  padding: 14px 20px;
  border-top: 1px solid var(--zinc);
  display: flex; align-items: center; justify-content: space-between;
  font-size: 14px; font-weight: 600;
  color: var(--field);
}

/* Kartin tamami tiklanabilir olsun ama baglanti erisilebilir kalsin */
.plate__link::after { content: ""; position: absolute; inset: 0; }

/* --- Rakamlar seridi -------------------------------------------------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1px;
  background: rgba(255,255,255,.12);
}
.stat {
  background: var(--ink);
  padding: clamp(26px, 3vw, 40px) clamp(18px, 2vw, 28px);
  display: grid; gap: 7px; align-content: start;
}
.stat__rule { width: 30px; height: 3px; background: var(--signal); margin-bottom: 6px; }
.stat__value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 5.2vw, 58px);
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--white);          /* sayilar beyaz */
  font-variant-numeric: tabular-nums;
}
.stat__label { font-weight: 600; font-size: 16px; color: var(--white); }
.stat__sub { font-size: 13.5px; color: var(--steel-dim); }

/* --- Markalar --------------------------------------------------------- */
.brand-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1px;
  background: var(--zinc);
  border: 1px solid var(--zinc);
}
.brand-cell {
  background: var(--white);
  min-height: 96px;
  display: grid; place-items: center;
  padding: 18px 16px;
  text-align: center;
  transition: background .18s var(--ease);
}
.brand-cell:hover { background: var(--paper); }
.brand-cell img { max-height: 44px; width: auto; filter: grayscale(1); opacity: .8; }
.brand-cell:hover img { filter: none; opacity: 1; }
.brand-cell span {
  font-family: var(--font-display);
  font-weight: 700; font-size: 15.5px;
  color: var(--ink); letter-spacing: -.01em;
}

/* --- Teklif cagrisi --------------------------------------------------- */
.cta {
  background: var(--field);
  color: var(--white);
}
.cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px 56px;
  align-items: center;
}
.cta__title { font-size: clamp(26px, 3.6vw, 42px); margin-bottom: 14px; }
.cta__text { color: rgba(255,255,255,.78); max-width: 62ch; margin: 0; }
.cta__actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* --- Sayfa basligi (ic sayfalar) -------------------------------------- */
.pagehead {
  background: var(--ink);
  color: var(--white);
  padding-block: clamp(40px, 6vw, 72px);
  position: relative;
  overflow: hidden;
}
.pagehead::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.pagehead__inner { position: relative; }
/* Koyu zeminde yesil etiket okunmuyor; sari vurguya cevir. */
.pagehead .eyebrow { color: var(--signal); }
.pagehead__title { font-size: clamp(30px, 5vw, 52px); margin-top: 12px; }
.pagehead__lead { color: var(--steel-dim); max-width: 62ch; margin-top: 14px; font-size: 17px; }

.breadcrumb {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: .12em; text-transform: uppercase;
  color: rgba(255,255,255,.5);
}
.breadcrumb a:hover { color: var(--signal); }
.breadcrumb span { color: rgba(255,255,255,.3); }

/* --- Metin blogu (kurumsal, sayfalar, grup aciklamasi) ---------------- */
.prose { font-size: 17px; color: #2C3436; max-width: 72ch; }
.prose h2 {
  font-size: clamp(22px, 2.6vw, 28px);
  margin: 2em 0 .6em;
  padding-top: .8em;
  border-top: 1px solid var(--zinc);
}
.prose > h2:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.prose h3 { font-size: 20px; margin: 1.6em 0 .5em; }
.prose ul, .prose ol { padding-left: 1.1em; }
.prose li { margin-bottom: .5em; }
.prose li::marker { color: var(--field); }
.prose a { color: var(--field); border-bottom: 1px solid var(--zinc-deep); }
.prose a:hover { border-color: var(--field); }
.prose blockquote {
  margin: 1.6em 0; padding: 4px 0 4px 24px;
  border-left: 3px solid var(--signal);
  color: var(--steel); font-size: 18px;
}
.prose table { width: 100%; border-collapse: collapse; margin: 1.6em 0; font-size: 15px; }
.prose th, .prose td { border: 1px solid var(--zinc); padding: 10px 12px; text-align: left; }
.prose th { background: var(--paper); font-weight: 600; }

/* --- Grup detay ------------------------------------------------------- */
.group-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 340px);
  gap: clamp(36px, 5vw, 64px);
  align-items: start;
}

.subgroups {
  list-style: none; padding: 0; margin: 0;
  border-top: 1px solid var(--zinc);
}
.subgroups li {
  display: flex; align-items: baseline; gap: 14px;
  padding: 13px 4px;
  border-bottom: 1px solid var(--zinc);
}
.subgroups li::before {
  content: attr(data-idx);
  font-family: var(--font-mono); font-size: 11.5px;
  color: var(--steel); letter-spacing: .08em;
  flex: none; min-width: 26px;
}
.subgroups b { font-weight: 600; font-size: 16px; }
.subgroups em { font-style: normal; color: var(--steel); font-size: 14.5px; }

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}
.gallery img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  border: 1px solid var(--zinc);
  background: var(--white);
}

.aside-card {
  background: var(--white);
  border: 1px solid var(--zinc);
  padding: 24px 22px;
  position: sticky; top: 104px;
}
.aside-card h3 { font-size: 19px; margin-bottom: 8px; }
.aside-card p { font-size: 14.5px; color: var(--steel); }

.spec-list { list-style: none; margin: 0 0 20px; padding: 0; font-size: 14.5px; }
.spec-list li {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 9px 0; border-bottom: 1px solid var(--zinc);
}
.spec-list li:last-child { border-bottom: 0; }
.spec-list dt, .spec-list .k { color: var(--steel); }
.spec-list .v { font-family: var(--font-mono); font-size: 13.5px; font-weight: 500; }

/* --- Formlar ---------------------------------------------------------- */
.form { display: grid; gap: 18px; }
.form__row { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.field { display: grid; gap: 6px; }
.field > label { font-weight: 600; font-size: 14px; }
.field .opt { color: var(--steel); font-weight: 400; }

.input, .form select, .form textarea {
  width: 100%;
  padding: 12px 14px;
  font: 400 15.5px/1.5 var(--font-body);
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--zinc-deep);
  border-radius: 0;
  transition: border-color .15s var(--ease), box-shadow .15s var(--ease);
}
.form textarea { min-height: 140px; resize: vertical; }
.input:focus, .form select:focus, .form textarea:focus {
  border-color: var(--field);
  box-shadow: inset 0 -2px 0 var(--field);
  outline: 2px solid transparent;
}
.input::placeholder { color: var(--steel-dim); }
.input[aria-invalid="true"] { border-color: var(--danger); }

.field__error { color: var(--danger); font-size: 13.5px; font-weight: 500; }

.check { display: flex; gap: 11px; align-items: flex-start; font-size: 14.5px; color: var(--steel); }
.check input { margin-top: 4px; width: 17px; height: 17px; accent-color: var(--field); flex: none; }
.check a { color: var(--field); text-decoration: underline; }

/* Bal kupu - insanlar gormez, botlar doldurur */
.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.alert {
  padding: 16px 20px;
  border-left: 4px solid var(--steel);
  background: var(--white);
  font-size: 15px;
}
.alert--ok    { border-left-color: var(--success); }
.alert--error { border-left-color: var(--danger); }
.alert strong { display: block; margin-bottom: 3px; }

/* --- Iletisim --------------------------------------------------------- */
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 400px);
  gap: clamp(36px, 5vw, 64px);
  align-items: start;
}
.contact-block { margin-bottom: 30px; }
.contact-block h3 {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 12px; font-weight: 500;
  letter-spacing: .18em; text-transform: uppercase; color: var(--field);
  margin-bottom: 10px;
}
.contact-block h3 svg { flex: none; opacity: .75; }
.contact-block p, .contact-block a { font-size: 16.5px; white-space: pre-line; }
.contact-block a:hover { color: var(--field); }

.map-frame { border: 1px solid var(--zinc); background: var(--white); }
.map-frame iframe { display: block; width: 100%; height: 380px; border: 0; }

/* --- Footer ----------------------------------------------------------- */
.footer { background: var(--ink); color: rgba(255,255,255,.68); font-size: 15px; }
.footer a:hover { color: var(--signal); }

.footer__top {
  display: grid;
  grid-template-columns: minmax(240px, 1.4fr) repeat(2, minmax(150px, 1fr)) minmax(240px, 1.2fr);
  gap: 40px;
  padding-block: clamp(48px, 6vw, 72px);
}
.footer__brand .brand__name { color: var(--white); }
.footer__brand .brand__tag { color: var(--steel-dim); }
.footer__about { margin-top: 18px; max-width: 40ch; font-size: 14.5px; }

.footer h4 {
  font-family: var(--font-mono); font-size: 12px; font-weight: 500;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--signal); margin-bottom: 16px;
}
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }

.newsletter { display: flex; gap: 0; margin-top: 14px; }
.newsletter input {
  flex: 1; min-width: 0;
  padding: 12px 14px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.18);
  color: var(--white);
  font: 400 15px/1.4 var(--font-body);
}
.newsletter input::placeholder { color: rgba(255,255,255,.4); }
.newsletter input:focus { outline: 2px solid var(--signal); outline-offset: -2px; }
.newsletter button {
  padding: 12px 20px; border: 0; cursor: pointer;
  background: var(--signal); color: var(--ink);
  font: 700 14px/1.4 var(--font-body);
}
.newsletter button:hover { background: #FFD426; }

.socials { display: flex; gap: 10px; margin-top: 20px; }
.socials a {
  width: 38px; height: 38px;
  border: 1px solid rgba(255,255,255,.2);
  display: grid; place-items: center;
  transition: background .18s var(--ease), color .18s var(--ease);
}
.socials a:hover { background: var(--signal); color: var(--ink); border-color: var(--signal); }
.socials svg { width: 17px; height: 17px; }

.footer__legal {
  border-top: 1px solid rgba(255,255,255,.12);
  padding-block: 22px;
  font-size: 13px;
  color: var(--steel-dim);
}
.footer__legal p { max-width: 105ch; }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding-block: 18px;
  display: flex; flex-wrap: wrap; gap: 12px 26px;
  align-items: center; justify-content: space-between;
  font-size: 13.5px;
}
.footer__bottom nav { display: flex; flex-wrap: wrap; gap: 20px; }

/* --- Hata sayfasi ----------------------------------------------------- */
.errorpage { text-align: center; padding-block: clamp(72px, 12vw, 140px); }
.errorpage__code {
  font-family: var(--font-mono); font-size: 13px; letter-spacing: .3em;
  color: var(--field); margin-bottom: 18px;
}
.errorpage h1 { font-size: clamp(32px, 6vw, 56px); margin-bottom: 14px; }
.errorpage p { color: var(--steel); max-width: 48ch; margin-inline: auto; margin-bottom: 30px; }

/* --- Kaydirmayla beliris ---------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* --- Duyarli davranis ------------------------------------------------- */
@media (max-width: 1080px) {
  .plate-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__top { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px; }
}

@media (max-width: 980px) {
  .about { grid-template-columns: 1fr; }
  .about__figure { order: -1; }
  .about__figure::after { display: none; }
  .group-layout, .contact-layout { grid-template-columns: 1fr; }
  .aside-card { position: static; }
  .cta__inner { grid-template-columns: 1fr; }
  .section-head--split { grid-template-columns: 1fr; align-items: start; }
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .masthead__inner { min-height: 70px; }
  .masthead__inner > .btn { display: none; }

  .nav {
    position: fixed; inset: 0 0 0 auto;
    width: min(340px, 86vw);
    background: var(--ink);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 88px 24px 32px;
    transform: translateX(100%);
    transition: transform .28s var(--ease);
    overflow-y: auto;
  }
  .nav.is-open { transform: none; }
  .nav a {
    color: var(--white);
    padding: 16px 4px;
    font-size: 18px;
    border-bottom: 1px solid rgba(255,255,255,.12);
  }
  .nav a::after { display: none; }
  .nav a[aria-current="page"] { color: var(--signal); }
  .nav > .btn { display: inline-flex; margin-top: 22px; justify-content: center; }

  .nav-scrim {
    position: fixed; inset: 0; background: rgba(20,24,26,.55);
    opacity: 0; visibility: hidden; transition: opacity .28s var(--ease);
    z-index: 39;
  }
  .nav-scrim.is-open { opacity: 1; visibility: visible; }

  .topbar__contact { gap: 14px; font-size: 12.5px; }
  .topbar__contact .hide-sm { display: none; }
  .feature { border-right: 0; border-bottom: 1px solid var(--zinc); }
}

@media (max-width: 620px) {
  .plate-grid { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; }
  .hero { min-height: 0; }
  .brand__tag { display: none; }
  .stat__value { font-size: 42px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .hero__layer { transition: none; }
}

@media print {
  .topbar, .masthead, .footer, .hero__controls, .cta, .nav-toggle { display: none !important; }
  body { background: #fff; }
  .section { padding-block: 16px; }
}