/* ==========================================================================
   BURSEL TEKNİK — Kesici Takımlar
   Beyaz taban + Çelik mavisi (marka) + Kıvılcım turuncusu (aksiyon)
   Renk mantığı: ISO 513 P grubu (çelik işleme) = mavi. Eski sitenin
   mavisi de buydu. Aksiyon rengi talaşın/ısının turuncusu.
   ========================================================================== */

/* ---- Design Tokens ---- */
:root {
  --bg:            #ffffff;
  --bg-2:          #f4f6f9;
  --surface:       #ffffff;
  --surface-2:     #f7f9fc;
  --line:          rgba(12,26,45,.12);
  --line-strong:   rgba(12,26,45,.22);

  /* Çelik mavisi — marka rengi (başlıklar, ikonlar, statik vurgu) */
  --steel:         #0a3d7a;
  --steel-light:   #2b6cc4;
  --steel-deep:    #06264d;
  --steel-glow:    rgba(10,61,122,.22);

  /* Kıvılcım — aksiyon rengi (butonlar, linkler, hover) */
  --spark:         #d1450b;
  --spark-light:   #f2661f;
  --spark-deep:    #8f2d05;
  --spark-glow:    rgba(209,69,11,.26);

  /* ISO 513 malzeme grubu renkleri — SADECE ISO bandında kullanılır.
     Bunlar sektör standardıdır, dekorasyon değildir. */
  --iso-p:         #0057a6;  /* Çelik */
  --iso-m:         #e8b800;  /* Paslanmaz çelik */
  --iso-k:         #d8232a;  /* Dökme demir */
  --iso-n:         #009640;  /* Demir dışı / alüminyum */
  --iso-s:         #ef7d00;  /* Isıya dayanıklı alaşım / titanyum */
  --iso-h:         #6e7478;  /* Sertleştirilmiş çelik */

  --text:          #11161d;
  --muted:         #515b68;
  --muted-2:       #838d9a;

  --grad-steel:    linear-gradient(120deg, var(--steel-deep) 0%, var(--steel) 48%, var(--steel-light) 100%);
  --grad-spark:    linear-gradient(120deg, var(--spark-deep) 0%, var(--spark) 50%, var(--spark-light) 100%);

  --shadow-lg:     0 30px 60px -24px rgba(12,26,45,.2);
  --shadow-steel:  0 20px 45px -18px rgba(10,61,122,.42);
  --shadow-spark:  0 20px 45px -18px rgba(209,69,11,.4);

  --radius:        14px;
  --radius-sm:     9px;
  --container:     1240px;
  --ease:          cubic-bezier(.22,.61,.36,1);

  --ff-display:    'Archivo', 'Helvetica Neue', sans-serif;
  --ff-body:       'IBM Plex Sans', system-ui, sans-serif;
  --ff-mono:       'IBM Plex Mono', ui-monospace, monospace;
}

/* ---- Reset ---- */
*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: hidden; }
body {
  margin: 0;
  font-family: var(--ff-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: rgba(10,61,122,.15);
}
img { max-width: 100%; display: block; -webkit-user-drag: none; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }

/* Klavye odağı her yerde görünür olsun */
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--spark);
  outline-offset: 3px;
}

/* ---- Layout helpers ---- */
.container { width: min(100% - 2.5rem, var(--container)); margin-inline: auto; }
.section { position: relative; padding: clamp(4rem, 8vw, 7rem) 0; }
.section--tint { background: var(--bg-2); }

.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--ff-mono);
  font-weight: 500; text-transform: uppercase; letter-spacing: .18em;
  font-size: .74rem; color: var(--steel);
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--grad-steel); }
.section-head { max-width: 720px; margin-bottom: 3rem; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .eyebrow::before { display: none; }

h1,h2,h3 { font-family: var(--ff-display); font-weight: 700; line-height: 1.05; margin: 0; letter-spacing: -.02em; }
.h-title {
  font-size: clamp(2rem, 4.4vw, 3.3rem);
  text-transform: uppercase;
  margin: .9rem 0 1rem;
  color: var(--text);
}
.h-title .accent { color: var(--steel); }
.lead { color: var(--muted); font-size: 1.04rem; max-width: 62ch; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .9rem 1.6rem;
  font-family: var(--ff-display);
  font-weight: 600; text-transform: uppercase; letter-spacing: .08em;
  font-size: .86rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s, color .3s, border-color .3s;
}
.btn svg { width: 17px; height: 17px; flex: none; }
.btn--primary { background: var(--grad-spark); color: #fff; box-shadow: var(--shadow-spark); }
.btn--primary:hover { transform: translateY(-3px); box-shadow: 0 30px 55px -16px rgba(209,69,11,.5); }
.btn--ghost { border-color: var(--steel-light); color: var(--steel); }
.btn--ghost:hover { border-color: var(--steel); background: var(--steel); color: #fff; transform: translateY(-3px); }

/* ==========================================================================
   TOP BAR
   ========================================================================== */
.topbar {
  position: relative; z-index: 60;
  background: var(--steel-deep);
  border-bottom: 1px solid rgba(255,255,255,.1);
  font-size: .8rem;
}
.topbar .container { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 42px; flex-wrap: wrap; }
.topbar__contact { display: flex; gap: 1.5rem; color: rgba(255,255,255,.75); flex-wrap: wrap; }
.topbar__contact a, .topbar__contact span { display: inline-flex; align-items: center; gap: .45rem; }
.topbar__contact a { transition: color .25s; }
.topbar__contact a:hover { color: var(--spark-light); }
.topbar__contact svg { width: 13px; height: 13px; color: rgba(255,255,255,.8); flex: none; }
.topbar__num { font-family: var(--ff-mono); letter-spacing: .01em; }
.topbar__note {
  font-family: var(--ff-mono); font-size: .7rem; text-transform: uppercase;
  letter-spacing: .12em; color: rgba(255,255,255,.5);
}

/* ==========================================================================
   HEADER / NAV
   ========================================================================== */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(6,38,77,.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,.1);
  transition: background .3s, box-shadow .3s;
}
.header.scrolled { background: rgba(4,28,58,.98); box-shadow: 0 12px 40px -18px rgba(0,0,0,.5); }
.header .container { display: flex; align-items: center; justify-content: space-between; min-height: 74px; gap: 1rem; }

.brand { display: flex; align-items: center; gap: .8rem; }
.brand__logo { height: 40px; width: auto; }
.brand__text { display: flex; flex-direction: column; line-height: 1; }
.brand__name { font-family: var(--ff-display); font-weight: 700; font-size: 1.35rem; letter-spacing: .01em; text-transform: uppercase; color: #fff; }
.brand__name b { font-weight: 400; color: var(--spark-light); }
.brand__tag { font-family: var(--ff-mono); font-size: .58rem; letter-spacing: .22em; text-transform: uppercase; color: rgba(255,255,255,.55); margin-top: 4px; }

.nav { display: flex; align-items: center; gap: .2rem; }
.nav a {
  position: relative;
  padding: .55rem .85rem;
  font-family: var(--ff-display);
  font-weight: 500; font-size: .92rem; letter-spacing: .02em;
  text-transform: uppercase; color: rgba(255,255,255,.72);
  transition: color .25s;
}
.nav a::after {
  content: ""; position: absolute; left: .85rem; right: .85rem; bottom: .3rem;
  height: 2px; background: var(--grad-spark);
  transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease);
}
.nav a:hover, .nav a.active { color: #fff; }
.nav a:hover::after, .nav a.active::after { transform: scaleX(1); }

.header__cta { display: flex; align-items: center; gap: 1rem; }
.nav-toggle {
  display: none; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.28);
  border-radius: 9px; width: 46px; height: 46px; padding: 0;
}
.nav-toggle span { display: block; width: 21px; height: 2px; background: #fff; margin: 4px auto; transition: .3s; border-radius: 2px; }
.nav-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.nav-overlay {
  position: fixed; inset: 0; z-index: 44;
  background: rgba(4,14,28,.6);
  opacity: 0; pointer-events: none; transition: opacity .35s var(--ease);
}
.nav-overlay.show { opacity: 1; pointer-events: auto; }

/* ==========================================================================
   HERO — beyaz zemin, metin üstte, görsel bandı altta
   ========================================================================== */
.hero {
  position: relative; z-index: 2; overflow: hidden;
  padding: clamp(2.4rem, 5vw, 4rem) 0 clamp(3rem, 6vw, 4.5rem);
  background:
    radial-gradient(76% 120% at 88% -10%, rgba(209,69,11,.05) 0%, transparent 55%),
    radial-gradient(70% 100% at 0% -5%, rgba(10,61,122,.06) 0%, transparent 50%),
    var(--bg);
}
.hero__inner {
  position: relative; z-index: 3;
  max-width: 900px; margin: 0 auto; text-align: center;
  padding-bottom: clamp(2.2rem, 4vw, 3.2rem);
}
.hero__badge {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .45rem 1rem; border-radius: 999px;
  background: rgba(10,61,122,.06); border: 1px solid rgba(10,61,122,.2);
  color: var(--steel); font-family: var(--ff-mono);
  font-size: .72rem; letter-spacing: .12em; text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.hero__badge .dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--spark);
  box-shadow: 0 0 0 4px rgba(209,69,11,.16); animation: pulse 2s infinite;
}
@keyframes pulse { 50% { box-shadow: 0 0 0 8px rgba(209,69,11,0); } }

.hero h1 {
  font-size: clamp(2.1rem, 4.8vw, 3.9rem);
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.hero h1 .accent { color: var(--steel); }
.hero__desc { font-size: 1.06rem; color: var(--muted); max-width: 60ch; margin: 0 auto 1.8rem; }
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }

.hero__showcase { position: relative; z-index: 3; }
.hero__frame {
  position: relative; overflow: hidden;
  aspect-ratio: 1920 / 620;
  max-height: 540px;
  border-radius: calc(var(--radius) + 6px);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  background: var(--bg-2);
}
.hero__slide {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0; transform: scale(1.05);
  transition: opacity 1.4s ease, transform 7s ease;
}
.hero__slide.active { opacity: 1; transform: scale(1); }

/* Görsel gelene kadar duran yer tutucu. Görseller eklenince .hero__ph silinir. */
.hero__ph {
  position: absolute; inset: 0; display: grid; place-items: center; text-align: center;
  gap: .5rem; padding: 2rem;
  background:
    repeating-linear-gradient(45deg, transparent 0 14px, rgba(10,61,122,.04) 14px 28px),
    var(--bg-2);
  color: var(--muted-2); font-family: var(--ff-mono); font-size: .78rem;
  letter-spacing: .1em; text-transform: uppercase;
}
.hero__ph svg { width: 34px; height: 34px; margin-inline: auto; opacity: .5; }

/* ==========================================================================
   MÜMESSİLLİK ŞERİDİ + SAYILAR
   ========================================================================== */
.brands { background: var(--bg-2); border-block: 1px solid var(--line); padding: 2rem 0; position: relative; z-index: 3; }
.brands__stats {
  display: flex; align-items: center; justify-content: center;
  gap: clamp(1.5rem, 5vw, 4rem);
  padding-bottom: 1.8rem; margin-bottom: 1.8rem;
  border-bottom: 1px solid var(--line);
}
.brands__stats .stat { text-align: center; }
.brands__stats .stat b {
  font-family: var(--ff-display); font-weight: 700;
  font-size: clamp(1.9rem, 4vw, 2.6rem); color: var(--text);
  display: block; line-height: 1;
}
.brands__stats .stat b i { color: var(--steel); font-style: normal; }
.brands__stats .stat span {
  font-family: var(--ff-mono);
  font-size: .68rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted);
}
.brands__stats .divider { width: 1px; align-self: stretch; min-height: 40px; background: var(--line-strong); }

.brands__row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1.2rem 2.5rem; }
.brands__label { font-family: var(--ff-mono); text-transform: uppercase; letter-spacing: .16em; color: var(--muted-2); font-size: .72rem; }
.brands__list { display: flex; align-items: center; gap: 2.2rem; flex-wrap: wrap; }
.brands__item {
  font-family: var(--ff-display); font-weight: 700; font-size: 1.2rem; letter-spacing: .02em;
  color: var(--muted); text-transform: uppercase; transition: color .3s;
  display: flex; align-items: center; gap: .5rem;
}
.brands__item:hover { color: var(--text); }
.brands__item .mark { width: 8px; height: 8px; border-radius: 1px; background: var(--grad-steel); transform: rotate(45deg); }

/* ==========================================================================
   HAKKIMIZDA
   ========================================================================== */
.about__grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(2.5rem,6vw,5rem); align-items: center; }
.about__media {
  position: relative;
  overflow: hidden;
  /* Genişlik ve yükseklik değerlerinizi tasarıma göre ayarlayın */
}

/* Asıl fotoğraf */
.about__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 2; /* Fotoğrafı öne alıyoruz */
}
.about__media::before {
  content: ""; position: absolute; z-index: 2;
  top: -14px; right: -14px; width: 34%; height: 34%;
  border-top: 2px solid var(--steel-light);
  border-right: 2px solid var(--steel-light);
  border-radius: 0 calc(var(--radius) + 4px) 0 0;
  opacity: .6; pointer-events: none;
}
/* Fotoğraf gelene kadar */
.about__ph {
  position: absolute; /* Kapsayıcının içinde serbest bırakıyoruz */
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1; /* Fotoğrafın arkasında kalmasını sağlıyoruz */
  
  /* İçeriği ortalamak için Flexbox (zaten yapmış olabilirsiniz) */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.about__ph svg { width: 32px; height: 32px; margin-inline: auto; opacity: .5; }

.about__badge {
  position: absolute;
  bottom: 20px; 
  left: 20px;
  z-index: 3; 
  
  /* --- EKSİK OLAN GÖRSEL STİLLER (BUNLARI EKLEYİN) --- */
  background: var(--steel-deep); /* Markanızın koyu lacivert/mavi rengi */
  color: #fff; /* Yazı rengini beyaz yapıyoruz ki okunsun */
  padding: 1.2rem 1.8rem; /* Kutunun iç boşlukları (tasarıma göre daraltıp genişletebilirsiniz) */
  border-radius: var(--radius-sm); /* Kenarları tasarım dilinize uygun yuvarlatıyoruz */
  box-shadow: var(--shadow-lg); /* Kutuya hafif derinlik/gölge veriyoruz */
  text-align: center; /* Kutu içindeki yazıları ortalıyoruz */
}
.about__badge b { font-family: var(--ff-display); font-size: 2.4rem; display: block; line-height: 1; }
.about__badge span { font-family: var(--ff-mono); font-size: .66rem; text-transform: uppercase; letter-spacing: .14em; }

.about__features { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; margin-top: 2rem; align-items: start; }
.about__feature { display: flex; gap: .75rem; align-items: flex-start; }
.about__feature svg { width: 20px; height: 20px; color: var(--steel); flex: none; margin-top: 4px; }
.about__feature b { display: block; font-family: var(--ff-display); font-weight: 600; font-size: 1rem; color: var(--text); }
.about__feature span { font-size: .87rem; color: var(--muted); }

/* ==========================================================================
   ISO 513 BANDI — sayfanın imza bölümü
   ISO 513, işlenen malzemeyi 6 gruba ayırır ve her gruba bir renk atar.
   Bu renkler dünya genelinde tüm kesici takım kataloglarında aynıdır.
   ========================================================================== */
.iso__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.iso__card {
  position: relative; overflow: hidden;
  padding: 1.6rem 1.5rem 1.5rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: 0 8px 24px -18px rgba(12,26,45,.25);
  transition: transform .4s var(--ease), border-color .4s, box-shadow .4s;
}
.iso__card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 4px;
  background: var(--g);
}
.iso__card:hover { transform: translateY(-6px); border-color: var(--line-strong); box-shadow: 0 20px 40px -22px rgba(12,26,45,.4); }

.iso__head { display: flex; align-items: center; gap: .8rem; margin-bottom: .9rem; }
.iso__letter {
  width: 46px; height: 46px; flex: none;
  display: grid; place-items: center; border-radius: 9px;
  background: var(--g); color: #fff;
  font-family: var(--ff-display); font-weight: 700; font-size: 1.5rem; line-height: 1;
}
/* M grubunun sarısı beyaz yazıyla okunmuyor — koyu metin */
.iso__card[data-iso="M"] .iso__letter { color: #2b2200; }
.iso__title { font-family: var(--ff-display); font-weight: 600; font-size: 1.1rem; color: var(--text); }
.iso__sub { font-family: var(--ff-mono); font-size: .68rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted-2); }
.iso__card p { color: var(--muted); font-size: .89rem; margin: 0 0 1rem; }

.iso__tags { display: flex; flex-wrap: wrap; gap: .4rem; }
.iso__tag {
  font-family: var(--ff-mono); font-size: .68rem;
  padding: .2rem .55rem; border-radius: 999px;
  background: var(--bg-2); border: 1px solid var(--line); color: var(--muted);
}
.iso__note {
  margin-top: 2rem; padding: 1rem 1.2rem;
  border-left: 3px solid var(--steel-light); background: var(--surface-2);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: .87rem; color: var(--muted);
}
.iso__note code { font-family: var(--ff-mono); color: var(--steel); font-size: .85em; }

/* ==========================================================================
   MARKALAR / MÜMESSİLLİKLER
   ========================================================================== */
.rep__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.rep {
  position: relative; display: flex; flex-direction: column;
  border-radius: var(--radius); overflow: hidden;
  background: var(--surface); border: 1px solid var(--line);
  box-shadow: 0 8px 24px -18px rgba(12,26,45,.25);
  transition: transform .4s var(--ease), border-color .4s;
}
.rep:hover { transform: translateY(-6px); border-color: var(--steel-light); }
.rep__logo {
  aspect-ratio: 16/7; display: grid; place-items: center;
  background: var(--surface-2); border-bottom: 1px solid var(--line); padding: 1.5rem;
}
.rep__logo img { max-height: 100%; width: auto; object-fit: contain; }
.rep__logo .ph { font-family: var(--ff-display); font-weight: 700; font-size: 1.9rem; letter-spacing: .04em; color: var(--muted-2); text-transform: uppercase; }
.rep__body { padding: 1.5rem; display: flex; flex-direction: column; flex: 1; }
.rep__tag {
  align-self: flex-start; margin-bottom: .7rem;
  font-family: var(--ff-mono); font-size: .66rem; text-transform: uppercase; letter-spacing: .1em;
  padding: .25rem .6rem; border-radius: 999px;
  background: rgba(10,61,122,.08); border: 1px solid rgba(10,61,122,.2); color: var(--steel);
}
.rep__tag--main { background: var(--grad-spark); border-color: transparent; color: #fff; }
.rep__body h3 { font-size: 1.3rem; text-transform: uppercase; margin-bottom: .4rem; color: var(--text); }
.rep__origin { font-family: var(--ff-mono); font-size: .7rem; color: var(--muted-2); letter-spacing: .06em; margin-bottom: .7rem; }
.rep__body p { color: var(--muted); font-size: .9rem; margin: 0 0 1.2rem; }
.rep__more {
  margin-top: auto; display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--ff-display); font-weight: 600; text-transform: uppercase;
  letter-spacing: .06em; font-size: .8rem; color: var(--spark);
}
.rep__more svg { width: 15px; height: 15px; transition: transform .3s; }
.rep:hover .rep__more svg { transform: translateX(4px); }

/* ==========================================================================
   KATALOG
   ========================================================================== */
.cat__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.cat {
  display: flex; align-items: center; gap: 1rem;
  padding: 1.3rem 1.4rem; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--line);
  box-shadow: 0 8px 24px -18px rgba(12,26,45,.22);
  transition: border-color .3s, transform .3s var(--ease);
}
.cat:hover { border-color: var(--spark-light); transform: translateY(-4px); }
.cat .ico {
  width: 44px; height: 44px; flex: none; border-radius: 10px; display: grid; place-items: center;
  background: rgba(10,61,122,.08); color: var(--steel); border: 1px solid rgba(10,61,122,.18);
}
.cat .ico svg { width: 20px; height: 20px; }
.cat b { display: block; font-family: var(--ff-display); font-weight: 600; font-size: 1rem; color: var(--text); }
.cat span { font-family: var(--ff-mono); font-size: .7rem; color: var(--muted-2); letter-spacing: .06em; }

/* ==========================================================================
   İLETİŞİM
   ========================================================================== */
.contact__grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(2rem,5vw,4rem); }
.contact__info { display: flex; flex-direction: column; gap: 1.1rem; }
.contact__card {
  display: flex; gap: 1.1rem; align-items: flex-start;
  padding: 1.4rem; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--line);
  box-shadow: 0 8px 24px -18px rgba(12,26,45,.22);
  transition: border-color .3s, transform .3s;
}
.contact__card:hover { border-color: var(--spark-light); transform: translateX(4px); }
.contact__card .ico { width: 44px; height: 44px; flex: none; border-radius: 10px; display: grid; place-items: center; background: rgba(10,61,122,.08); color: var(--steel); border: 1px solid rgba(10,61,122,.18); }
.contact__card .ico svg { width: 20px; height: 20px; }
.contact__card b { font-family: var(--ff-display); font-weight: 600; font-size: .98rem; display: block; margin-bottom: .3rem; color: var(--text); }

.contact__lines { display: flex; flex-direction: column; gap: .4rem; }
.contact__lines li {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: .1rem .5rem;
  color: var(--muted); font-size: .92rem; line-height: 1.5;
}
.contact__lines .lbl {
  flex: none; min-width: 58px;
  font-family: var(--ff-mono); font-size: .66rem;
  text-transform: uppercase; letter-spacing: .08em; color: var(--steel);
}
.contact__lines a { color: var(--muted); transition: color .25s; }
.contact__lines a:hover { color: var(--spark); }
.contact__lines .num { font-family: var(--ff-mono); }

.form { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.5rem,4vw,2.4rem); box-shadow: 0 8px 24px -18px rgba(12,26,45,.22); }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { margin-bottom: 1rem; }
.field label {
  display: block; font-family: var(--ff-mono);
  font-size: .7rem; text-transform: uppercase; letter-spacing: .1em;
  color: var(--muted); margin-bottom: .45rem;
}
.field label .opt { color: var(--muted-2); text-transform: none; letter-spacing: 0; }
.field input, .field select, .field textarea {
  width: 100%; padding: .85rem 1rem; border-radius: var(--radius-sm);
  background: var(--bg-2); border: 1px solid var(--line); color: var(--text);
  font-family: inherit; font-size: .93rem; transition: border-color .25s, box-shadow .25s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--spark); box-shadow: 0 0 0 3px rgba(209,69,11,.13);
}
.field textarea { resize: vertical; min-height: 120px; }
.form__note { font-size: .78rem; color: var(--muted-2); margin-top: 1rem; }
.form__status { display: none; margin: 0 0 1.1rem; padding: .8rem 1rem; border-radius: var(--radius-sm); font-size: .88rem; font-weight: 600; }
.form__status.show { display: block; }
.form__status.ok { background: rgba(0,150,64,.09); border: 1px solid rgba(0,150,64,.35); color: #00713a; }
.form__status.err { background: rgba(216,35,42,.08); border: 1px solid rgba(216,35,42,.35); color: #b21c22; }

.map-wrap { position: relative; margin-top: 2.4rem; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); line-height: 0; }
.map-wrap iframe { width: 100%; height: 340px; border: 0; }
.map-link {
  position: absolute; right: 1rem; bottom: 1rem; z-index: 2;
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .65rem 1rem; border-radius: 999px;
  background: rgba(255,255,255,.95); backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  box-shadow: 0 14px 30px -12px rgba(12,26,45,.35);
  font-family: var(--ff-display); font-size: .76rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .06em;
  color: var(--steel); line-height: 1;
  transition: background .25s, color .25s, transform .25s var(--ease);
}
.map-link svg { width: 15px; height: 15px; }
.map-link:hover { background: var(--spark); color: #fff; border-color: var(--spark); transform: translateY(-2px); }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer { background: var(--steel-deep); border-top: 1px solid rgba(255,255,255,.08); position: relative; z-index: 3; padding-top: clamp(3rem,6vw,4.5rem); }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.4fr; gap: 2.5rem; padding-bottom: 2.6rem; }
.footer__logo { height: 44px; width: auto; }
.footer__brand p { margin-top: 1rem; }
.footer p { color: rgba(255,255,255,.62); font-size: .89rem; }
.footer h4 { font-family: var(--ff-mono); font-weight: 500; text-transform: uppercase; letter-spacing: .14em; font-size: .74rem; margin: 0 0 1.1rem; color: rgba(255,255,255,.9); }
.footer__links a { display: block; color: rgba(255,255,255,.62); padding: .32rem 0; font-size: .89rem; transition: color .25s, padding-left .25s; }
.footer__links a:hover { color: var(--spark-light); padding-left: 6px; }
.footer__contact li { display: flex; gap: .7rem; align-items: flex-start; color: rgba(255,255,255,.62); font-size: .89rem; margin-bottom: 1rem; }
.footer__contact svg { width: 16px; height: 16px; color: rgba(255,255,255,.8); flex: none; margin-top: 3px; }
.footer__contact-body { display: flex; flex-direction: column; gap: .15rem; min-width: 0; }
.footer__contact-body p { margin: 0; line-height: 1.5; }
.footer__contact-body a { color: rgba(255,255,255,.62); transition: color .25s; }
.footer__contact-body a:hover { color: var(--spark-light); }
.footer__lbl { font-family: var(--ff-mono); font-size: .64rem; text-transform: uppercase; letter-spacing: .1em; color: rgba(255,255,255,.42); }
.footer__num { font-family: var(--ff-mono); font-variant-numeric: tabular-nums; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 1.4rem 0; display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.footer__bottom p { margin: 0; font-size: .8rem; color: rgba(255,255,255,.45); }

/* ==========================================================================
   FLOATING
   ========================================================================== */
.floaters { position: fixed; right: 1.4rem; bottom: 1.4rem; z-index: 90; display: flex; flex-direction: column; gap: .7rem; }
.floaters a, .floaters button {
  width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center;
  box-shadow: var(--shadow-lg); border: none; transition: transform .3s var(--ease);
}
.floaters a:hover, .floaters button:hover { transform: translateY(-4px) scale(1.05); }
.fab-tel { background: var(--grad-spark); color: #fff; }
.fab-top { background: #fff; color: var(--steel); border: 1px solid var(--line-strong) !important; opacity: 0; pointer-events: none; }
.fab-top:hover { background: var(--steel); color: #fff; }
.fab-top.show { opacity: 1; pointer-events: auto; }
.floaters svg { width: 24px; height: 24px; }
.fab-top svg { width: 19px; height: 19px; }

/* ==========================================================================
   REVEAL
   ========================================================================== */
[data-reveal] { opacity: 0; transform: translateY(30px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
[data-reveal].in { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: .08s; }
[data-reveal][data-delay="2"] { transition-delay: .16s; }
[data-reveal][data-delay="3"] { transition-delay: .24s; }
[data-reveal][data-delay="4"] { transition-delay: .32s; }
[data-reveal][data-delay="5"] { transition-delay: .4s; }

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

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1024px) {
  .iso__grid, .rep__grid, .cat__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 860px) {
  .topbar__contact { gap: 1rem; }
  .topbar__note { display: none; }
  .nav {
    position: fixed; inset: 0 0 0 auto; width: min(84vw, 320px);
    flex-direction: column; align-items: flex-start; justify-content: flex-start;
    gap: .2rem; padding: 5.5rem 1.5rem 2rem;
    background: var(--steel-deep); border-left: 1px solid rgba(255,255,255,.12);
    box-shadow: -30px 0 60px -20px rgba(0,0,0,.5);
    transform: translateX(100%);
    transition: transform .4s var(--ease); z-index: 45;
    overflow-y: auto;
  }
  .nav.open { transform: translateX(0); }
  .nav a { width: 100%; font-size: 1.1rem; padding: .9rem .3rem; color: #fff; border-bottom: 1px solid rgba(255,255,255,.12); }
  .nav a.active { color: var(--spark-light); }
  .nav a::after { display: none; }
  .nav-toggle { display: block; }
  .header__cta .btn { display: none; }
  /* backdrop-filter mobilde içindeki fixed paneli hapsediyor */
  .header, .header.scrolled { backdrop-filter: none; -webkit-backdrop-filter: none; background: var(--steel-deep); }
  .header .container { min-height: 66px; }
  .about__grid, .contact__grid { grid-template-columns: 1fr; }
  .hero__frame { aspect-ratio: 16/10; max-height: none; }
}
@media (max-width: 620px) {
  .section { padding: 3.4rem 0; }
  .iso__grid, .rep__grid, .cat__grid { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 2rem; }
  .brands__row { justify-content: center; text-align: center; }
  .brands__list { justify-content: center; gap: 1.3rem; }
  .brands__item { font-size: 1.05rem; }
  .section-head { margin-bottom: 2.2rem; }
  .about__badge { padding: .9rem 1.1rem; left: -8px; bottom: -12px; }
  .about__badge b { font-size: 1.9rem; }
}
@media (max-width: 460px) {
  .container { width: calc(100% - 1.8rem); }
  .brands__stats { gap: 1rem; }
  .brands__stats .stat b { font-size: 1.5rem; }
  .brands__stats .stat span { font-size: .6rem; letter-spacing: .08em; }
  .about__features { grid-template-columns: 1fr; }
  .contact__lines .lbl { min-width: 0; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .form { padding: 1.3rem; }
  .btn { padding: .8rem 1.3rem; font-size: .8rem; }
  .floaters { right: 1rem; bottom: 1rem; }
  .floaters a, .floaters button { width: 46px; height: 46px; }
}