/* ==================================================================
   Sarıkaya Perfores — style.css
   Endüstriyel tasarım · marka kırmızısı vurgu
   Açık ve koyu tema (bkz. README > Açık / koyu tema)
   ================================================================== */

/* ==================================================================
   Tokens
   Açık tema varsayılan; koyu tema hem sistem tercihiyle hem de
   <html data-theme="dark"> ile devreye girer.
   ================================================================== */
:root{
  /* --- tema değişkenleri: AÇIK --- */
  --bg:        #f2f4f7;
  --bg-2:      #ffffff;
  --surface:   #ffffff;
  --surface-2: #eef1f5;
  --line:      rgba(16,20,26,.11);
  --line-2:    rgba(16,20,26,.22);

  --text:      #1a1f26;
  --text-2:    #454f5b;
  --muted:     #5d6672;
  --strong:    #0d1116;

  --accent:    #cf0f19;
  --accent-2:  #a90c14;
  --accent-dim:rgba(207,15,25,.10);

  --steel:     #5a6470;

  --header-bg:       linear-gradient(to bottom, rgba(255,255,255,.94), rgba(255,255,255,.62));
  --header-bg-stuck: rgba(255,255,255,.97);
  --nav-panel-bg:    rgba(255,255,255,.99);
  --footer-bg:       #e7eaee;

  --hero-a:    #ffffff;
  --hero-b:    #eaeef3;
  --hero-glow: rgba(207,15,25,.10);
  --hero-photo-op: .22;
  --hero-photo-filter: saturate(.25) contrast(1.18) brightness(1.04);

  --perf-dot:  rgba(16,20,26,.07);
  --perf-line: rgba(16,20,26,.055);
  --pat-dot:   rgba(16,20,26,.15);
  --pat-line:  rgba(16,20,26,.10);
  --tint:      rgba(16,20,26,.025);
  --stats-bg:  rgba(255,255,255,.93);
  --tint-2:    rgba(16,20,26,.05);

  --shadow: 0 18px 48px rgba(16,20,26,.14);

  /* --- temadan bağımsız --- */
  --ff-head: 'Barlow Condensed', 'Arial Narrow', system-ui, sans-serif;
  --ff-body: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;

  --wrap: 1200px;
  --pad: clamp(1rem, 4vw, 2.5rem);
  --r: 10px;
  --header-h: 76px;

  color-scheme: light;
}

/* --- tema değişkenleri: KOYU --- */
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:        #0d1013;
    --bg-2:      #12161b;
    --surface:   #171c22;
    --surface-2: #1e242c;
    --line:      rgba(255,255,255,.09);
    --line-2:    rgba(255,255,255,.16);

    --text:      #e9edf2;
    --text-2:    #b3bcc7;
    --muted:     #8b95a1;
    --strong:    #ffffff;

    --accent:    #e1121c;
    --accent-2:  #ff2a35;
    --accent-dim:rgba(225,18,28,.14);

    --steel:     #9aa5b1;

    --header-bg:       linear-gradient(to bottom, rgba(13,16,19,.92), rgba(13,16,19,.55));
    --header-bg-stuck: rgba(13,16,19,.96);
    --nav-panel-bg:    rgba(13,16,19,.985);
    --footer-bg:       #0a0d10;

    --hero-a:    #0d1013;
    --hero-b:    #12161b;
    --hero-glow: rgba(225,18,28,.16);
    --hero-photo-op: .42;
    --hero-photo-filter: saturate(.6) contrast(1.02) brightness(.85);

    --perf-dot:  rgba(255,255,255,.055);
    --perf-line: rgba(255,255,255,.05);
    --pat-dot:   rgba(255,255,255,.085);
    --pat-line:  rgba(255,255,255,.06);
    --tint:      rgba(255,255,255,.02);
    --stats-bg:  rgba(255,255,255,.02);
    --tint-2:    rgba(255,255,255,.05);

    --shadow: 0 18px 48px rgba(0,0,0,.45);

    color-scheme: dark;
  }
}

/* Kullanıcı elle koyu temayı seçtiğinde (sistem açık olsa bile) */
:root[data-theme="dark"]{
  --bg:        #0d1013;
  --bg-2:      #12161b;
  --surface:   #171c22;
  --surface-2: #1e242c;
  --line:      rgba(255,255,255,.09);
  --line-2:    rgba(255,255,255,.16);

  --text:      #e9edf2;
  --text-2:    #b3bcc7;
  --muted:     #8b95a1;
  --strong:    #ffffff;

  --accent:    #e1121c;
  --accent-2:  #ff2a35;
  --accent-dim:rgba(225,18,28,.14);

  --steel:     #9aa5b1;

  --header-bg:       linear-gradient(to bottom, rgba(13,16,19,.92), rgba(13,16,19,.55));
  --header-bg-stuck: rgba(13,16,19,.96);
  --nav-panel-bg:    rgba(13,16,19,.985);
  --footer-bg:       #0a0d10;

  --hero-a:    #0d1013;
  --hero-b:    #12161b;
  --hero-glow: rgba(225,18,28,.16);
  --hero-photo-op: .42;
  --hero-photo-filter: saturate(.6) contrast(1.02) brightness(.85);

  --perf-dot:  rgba(255,255,255,.055);
  --perf-line: rgba(255,255,255,.05);
  --pat-dot:   rgba(255,255,255,.085);
  --pat-line:  rgba(255,255,255,.06);
  --tint:      rgba(255,255,255,.02);
  --stats-bg:  rgba(255,255,255,.02);
  --tint-2:    rgba(255,255,255,.05);

  --shadow: 0 18px 48px rgba(0,0,0,.45);

  color-scheme: dark;
}

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

html{ scroll-behavior:smooth; scroll-padding-top: calc(var(--header-h) + 12px); }
@media (prefers-reduced-motion: reduce){ html{ scroll-behavior:auto; } }

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--ff-body);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{ overflow:hidden; }

img{ max-width:100%; height:auto; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; }

::selection{ background:var(--accent); color:#fff; }

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

.container{ width:100%; max-width:var(--wrap); margin-inline:auto; padding-inline:var(--pad); }

.skip-link{
  position:absolute; left:-9999px; top:0; z-index:200;
  background:var(--accent); color:#fff; padding:.7rem 1.1rem; border-radius:0 0 var(--r) 0;
}
.skip-link:focus{ left:0; }

/* Perfore doku — arka plan deseni */
.perf, .hero-bg{
  background-image:
    radial-gradient(circle at center, var(--perf-dot) 1.1px, transparent 1.2px);
  background-size: 14px 14px;
}

/* ---------- Tipografi ---------- */
h1,h2,h3{ font-family:var(--ff-head); font-weight:700; line-height:1.08; letter-spacing:.005em; margin:0; }
h1{ font-size:clamp(2.3rem, 5.4vw, 4.4rem); text-transform:uppercase; }
h2{ font-size:clamp(1.85rem, 3.6vw, 3rem); text-transform:uppercase; }
h3{ font-size:clamp(1.15rem, 1.7vw, 1.4rem); }
p{ margin:0 0 1.05rem; }

.eyebrow{
  font-family:var(--ff-head);
  font-size:.94rem; font-weight:600; letter-spacing:.22em; text-transform:uppercase;
  color:var(--accent-2); margin:0 0 .55rem; display:flex; align-items:center; gap:.7rem;
}
.eyebrow::before{ content:''; width:34px; height:2px; background:var(--accent); flex:none; }

em{ font-style:normal; color:var(--accent-2); }

.note{ font-size:.86rem; color:var(--muted); margin-top:1rem; }

/* ---------- Header ---------- */
.site-header{
  position:fixed; inset:0 0 auto 0; z-index:100;
  height:var(--header-h);
  display:flex; align-items:center;
  background:var(--header-bg);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .25s ease, border-color .25s ease, height .25s ease;
}
.site-header.is-stuck{
  background:var(--header-bg-stuck);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.18);
}
.header-inner{ display:flex; align-items:center; gap:1.25rem; }

.brand{ flex:none; display:block; }
.brand img{ height:38px; width:auto; }

.nav{ margin-left:auto; }
.nav-list{
  list-style:none; margin:0; padding:0;
  display:flex; align-items:center; gap:.15rem;
}
.nav-list a{
  display:block; padding:.55rem .8rem; border-radius:6px;
  font-size:.83rem; font-weight:600; letter-spacing:.09em; text-transform:uppercase;
  color:var(--text-2); transition:color .18s ease, background .18s ease;
  white-space:nowrap;
}
.nav-list a:hover{ color:var(--strong); background:var(--tint-2); }
.nav-list a.is-current{ color:var(--strong); }
.nav-list a.is-current::after{
  content:''; display:block; height:2px; margin-top:5px; background:var(--accent); border-radius:2px;
}

.header-actions{ display:flex; align-items:center; gap:.85rem; flex:none; }

.lang-switch{ display:flex; align-items:center; gap:.3rem; }
.lang-btn{
  background:none; border:0; cursor:pointer; padding:.3rem .35rem;
  font-family:var(--ff-head); font-size:1rem; font-weight:600; letter-spacing:.08em;
  color:var(--muted); transition:color .18s ease;
}
.lang-btn:hover{ color:var(--text); }
.lang-btn.is-active{ color:var(--accent-2); }
.lang-sep{ color:var(--line-2); }

/* Tema değiştirici — aktif temaya göre tek ikon gösterilir */
.theme-btn{
  flex:none; width:38px; height:38px; border-radius:8px;
  border:1px solid var(--line-2); background:transparent; cursor:pointer;
  display:grid; place-items:center; color:var(--text-2); padding:0;
  transition:color .18s ease, border-color .18s ease, background .18s ease;
}
.theme-btn:hover{ color:var(--accent-2); border-color:var(--accent); background:var(--accent-dim); }
.theme-btn svg{ width:19px; height:19px; grid-area:1/1; }

/* Açık temada ay ikonu (koyuya geç), koyu temada güneş ikonu (açığa geç) */
.theme-btn .ico-sun{ display:none; }
.theme-btn .ico-moon{ display:block; }
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]) .theme-btn .ico-sun{ display:block; }
  :root:not([data-theme="light"]) .theme-btn .ico-moon{ display:none; }
}
:root[data-theme="dark"] .theme-btn .ico-sun{ display:block; }
:root[data-theme="dark"] .theme-btn .ico-moon{ display:none; }
:root[data-theme="light"] .theme-btn .ico-sun{ display:none; }
:root[data-theme="light"] .theme-btn .ico-moon{ display:block; }

.nav-toggle{
  display:none; width:42px; height:42px; border:1px solid var(--line-2); border-radius:8px;
  background:transparent; cursor:pointer; padding:0;
  flex-direction:column; align-items:center; justify-content:center; gap:5px;
}
.nav-toggle span{ display:block; width:19px; height:2px; background:var(--text); transition:transform .22s ease, opacity .22s ease; }
.nav-toggle.is-open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2){ opacity:0; }
.nav-toggle.is-open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding-top: calc(var(--header-h) + clamp(3rem, 9vw, 7rem));
  background:
    radial-gradient(1100px 600px at 78% -12%, var(--hero-glow), transparent 62%),
    linear-gradient(180deg, var(--hero-a) 0%, var(--hero-b) 62%, var(--hero-a) 100%);
  overflow:hidden;
}
/* Katalog kapağından alınan makro çekim — hero arka planı */
.hero-photo{
  position:absolute; inset:0; width:100%; height:100%;
  object-fit:cover; object-position:center 35%;
  opacity:var(--hero-photo-op); filter:var(--hero-photo-filter);
  mask-image:linear-gradient(100deg, transparent 26%, rgba(0,0,0,.25) 48%, rgba(0,0,0,.8) 74%, #000 100%);
  -webkit-mask-image:linear-gradient(100deg, transparent 26%, rgba(0,0,0,.25) 48%, rgba(0,0,0,.8) 74%, #000 100%);
  pointer-events:none;
}
.hero-bg{
  position:absolute; inset:0;
  opacity:.55;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.9), transparent 78%);
  -webkit-mask-image:linear-gradient(180deg, rgba(0,0,0,.9), transparent 78%);
  pointer-events:none;
}
.hero-inner{ position:relative; padding-bottom:clamp(3rem, 8vw, 6rem); max-width:1000px; }
.hero h1{ margin-bottom:1.4rem; text-wrap:balance; }
.hero-lead{ font-size:clamp(1.02rem, 1.4vw, 1.2rem); color:var(--text-2); max-width:66ch; }

.hero-cta{ display:flex; flex-wrap:wrap; gap:.85rem; margin-top:2.1rem; }

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:.95rem 1.9rem; border-radius:6px; border:1px solid transparent;
  font-family:var(--ff-head); font-size:1.02rem; font-weight:600;
  letter-spacing:.12em; text-transform:uppercase; cursor:pointer;
  transition:transform .16s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.btn:hover{ transform:translateY(-2px); }
.btn-primary{ background:var(--accent); color:#fff; }
.btn-primary:hover{ background:var(--accent-2); }
.btn-ghost{ border-color:var(--line-2); color:var(--text); }
.btn-ghost:hover{ border-color:var(--accent); color:var(--accent-2); background:var(--accent-dim); }
.btn-link{ padding-inline:.4rem; color:var(--text-2); border-bottom:1px solid var(--line-2); border-radius:0; }
.btn-link:hover{ color:var(--accent-2); border-bottom-color:var(--accent); }

.hero-tag{
  margin:1.4rem 0 0; font-family:var(--ff-head);
  font-size:1.05rem; font-weight:500; letter-spacing:.1em; text-transform:uppercase;
  color:var(--steel);
}

/* Stat şeridi */
.stats{ position:relative; border-top:1px solid var(--line); background:var(--stats-bg); }
.stats-grid{
  display:grid; grid-template-columns:repeat(5, 1fr);
}
.stat{
  padding:1.6rem .6rem; text-align:center;
  border-left:1px solid var(--line);
}
.stat:first-child{ border-left:0; }
.stat-num{
  display:block; font-family:var(--ff-head); font-size:clamp(1.6rem, 3vw, 2.4rem);
  font-weight:700; color:var(--strong); line-height:1;
}
.stat-num i{ font-style:normal; font-size:.5em; color:var(--accent-2); margin-left:.25em; }
.stat-label{ display:block; margin-top:.5rem; font-size:.76rem; letter-spacing:.11em; text-transform:uppercase; color:var(--muted); }

/* ==================================================================
   Bölüm desenleri
   Her bölümün arka planı, katalogdaki GERÇEK bir delik deseninin
   dizilimini taklit eder — desen jenerik değil, firmanın kendi ürünü.
   Bölümün konusuyla eşleşecek şekilde seçildi:

     Hakkımızda   SP1  ø1,5 · 60° üçgen      — en klasik desen, kuruluştan beri
     Neden Biz    SP8  ø1,5 · 45° eşkenar    — kalıphane / zımba dizilimi
     Ürünler      SP4  ø1,25 · 90° kare      — kataloğun en ince deseni
     Uygulamalar  SP14 ø5 · 60° geniş        — cephe ve mimaride kullanılan iri desen
     Kapasite     teknik resim ızgarası      — föylerdeki ölçülendirme dili
     Vizyon       SP18 ø5 · 90° seyrek       — en açık, en ferah dizilim
     Ekip         SP11 ø2,5 · 90°            — merkezden dağılan
     İletişim     SP19 ø1,5 · 60° sık        — köşede yoğunlaşan

   Tümü --pat-dot / --pat-line token'ına bağlıdır; açık ve koyu temada
   aynı yoğunlukta durur. Bir bölümün desenini değiştirmek için sadece
   ilgili ::before kuralını düzenleyin.
   ================================================================== */

.section{ position:relative; overflow:hidden; }
.section > .container{ position:relative; z-index:1; }
.section::before{
  content:''; position:absolute; inset:0; z-index:0; pointer-events:none;
}

/* --- Hakkımızda — SP1: ø1,5 mm · 3,46 × 2 · 60° üçgen dizilim --- */
#hakkimizda::before{
  background-image:
    radial-gradient(circle, var(--pat-dot) 1.35px, transparent 1.45px),
    radial-gradient(circle, var(--pat-dot) 1.35px, transparent 1.45px);
  background-size: 22px 38px;
  background-position: 0 0, 11px 19px;
  mask-image: linear-gradient(225deg, #000 0%, transparent 46%);
  -webkit-mask-image: linear-gradient(225deg, #000 0%, transparent 46%);
}

/* --- Neden Biz — SP8: ø1,5 mm · 4 × 4 · 45° eşkenar dizilim (kalıphane) --- */
#neden::before{
  background-image:
    radial-gradient(circle, var(--pat-dot) 1.3px, transparent 1.4px),
    radial-gradient(circle, var(--pat-dot) 1.3px, transparent 1.4px);
  background-size: 24px 24px;
  background-position: 0 0, 12px 12px;
  mask-image: linear-gradient(135deg, #000 0%, transparent 44%);
  -webkit-mask-image: linear-gradient(135deg, #000 0%, transparent 44%);
}

/* --- Ürünler — SP4: ø1,25 mm · 1,75 × 1,75 · 90° (kataloğun en ince deseni) --- */
#urunler::before{
  background-image: radial-gradient(circle, var(--pat-dot) 1px, transparent 1.1px);
  background-size: 13px 13px;
  mask-image: linear-gradient(315deg, #000 0%, transparent 42%);
  -webkit-mask-image: linear-gradient(315deg, #000 0%, transparent 42%);
}

/* --- Uygulamalar — SP14: ø5 mm · 17,32 × 10 · 60° (cephe ve mimaride kullanılan iri desen) --- */
#uygulamalar::before{
  background-image:
    radial-gradient(circle, var(--pat-dot) 2.4px, transparent 2.6px),
    radial-gradient(circle, var(--pat-dot) 2.4px, transparent 2.6px);
  background-size: 40px 70px;
  background-position: 0 0, 20px 35px;
  mask-image: linear-gradient(225deg, #000 0%, transparent 50%);
  -webkit-mask-image: linear-gradient(225deg, #000 0%, transparent 50%);
}

/* --- Kapasite — teknik resim ızgarası + ölçülendirme çizgileri --- */
#kapasite::before{
  background-image:
    linear-gradient(var(--pat-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--pat-line) 1px, transparent 1px),
    radial-gradient(circle, var(--pat-dot) 1.6px, transparent 1.7px);
  background-size: 48px 48px, 48px 48px, 48px 48px;
  background-position: 0 0, 0 0, 24px 24px;
  mask-image: linear-gradient(180deg, #000 0%, rgba(0,0,0,.35) 55%, transparent 88%);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0,0,0,.35) 55%, transparent 88%);
}

/* --- Vizyon — SP18: ø5 mm · 17 × 17 · 90° (en seyrek, en ferah dizilim) --- */
#vizyon::before{
  background-image: radial-gradient(circle, var(--pat-dot) 2.6px, transparent 2.8px);
  background-size: 52px 52px;
  mask-image: linear-gradient(135deg, #000 0%, transparent 52%);
  -webkit-mask-image: linear-gradient(135deg, #000 0%, transparent 52%);
}

/* --- Ekip — SP11: ø2,5 mm · 5,5 × 5,5 · 90°, merkezden dağılan --- */
#ekip::before{
  background-image: radial-gradient(circle, var(--pat-dot) 1.6px, transparent 1.7px);
  background-size: 26px 26px;
  mask-image: radial-gradient(ellipse 62% 78% at 50% 50%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse 62% 78% at 50% 50%, #000 0%, transparent 72%);
}


/* --- SSS — SP2: ø2 mm · 4,85 × 2,8 · 60° --- */
#sss::before{
  background-image:
    radial-gradient(circle, var(--pat-dot) 1.6px, transparent 1.7px),
    radial-gradient(circle, var(--pat-dot) 1.6px, transparent 1.7px);
  background-size: 28px 48px;
  background-position: 0 0, 14px 24px;
  mask-image: linear-gradient(315deg, #000 0%, transparent 46%);
  -webkit-mask-image: linear-gradient(315deg, #000 0%, transparent 46%);
}
/* --- İletişim — SP19: ø1,5 mm · 5,54 × 3,2 · 60° (sık dizilim) --- */
#iletisim::before{
  background-image:
    radial-gradient(circle, var(--pat-dot) 1.2px, transparent 1.3px),
    radial-gradient(circle, var(--pat-dot) 1.2px, transparent 1.3px);
  background-size: 18px 31px;
  background-position: 0 0, 9px 15.5px;
  mask-image: linear-gradient(45deg, #000 0%, transparent 48%);
  -webkit-mask-image: linear-gradient(45deg, #000 0%, transparent 48%);
}

/* ---------- Section ---------- */
.section{ padding:clamp(4rem, 8vw, 7.5rem) 0; }
.section-alt{ background:var(--bg-2); border-block:1px solid var(--line); }

.section-head{ max-width:74ch; margin-bottom:clamp(2.2rem, 4vw, 3.4rem); }
.section-head h2{ margin-bottom:.9rem; text-wrap:balance; }
.section-sub{ color:var(--text-2); }

/* reveal */
.reveal{ opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){ .reveal{ opacity:1; transform:none; transition:none; } }

/* ---------- Hakkımızda ---------- */
.about-grid{
  display:grid; grid-template-columns: 1.15fr .85fr; gap:clamp(1.8rem, 4vw, 3.5rem);
  align-items:start;
}
.about-text p{ color:var(--text-2); }

.pull-quote{
  margin:1.8rem 0 0; padding:1.1rem 0 1.1rem 1.4rem;
  border-left:3px solid var(--accent);
  font-family:var(--ff-head); font-size:clamp(1.2rem,2vw,1.6rem); font-weight:600;
  color:var(--strong); line-height:1.3;
}

.about-figure{ margin:0; }
.about-figure img{
  width:100%; border-radius:var(--r); border:1px solid var(--line);
  filter:saturate(.85) contrast(1.05);
}
.about-figure figcaption{
  margin-top:.7rem; font-size:.8rem; letter-spacing:.1em; text-transform:uppercase; color:var(--muted);
}

/* Timeline */
.timeline{
  list-style:none; margin:clamp(2.5rem,5vw,4rem) 0 0; padding:0;
  display:grid; grid-template-columns:repeat(4,1fr); gap:0;
  border-top:1px solid var(--line);
}
.timeline li{ padding:1.8rem 1.4rem 0 0; position:relative; }
.timeline li::before{
  content:''; position:absolute; top:-5px; left:0; width:9px; height:9px;
  background:var(--accent); border-radius:50%;
}
.timeline li + li{ padding-left:1.4rem; }
.tl-year{
  display:block; font-family:var(--ff-head); font-size:1.5rem; font-weight:700;
  color:var(--accent-2); letter-spacing:.04em; margin-bottom:.35rem;
}
.timeline h3{ margin-bottom:.4rem; }
.timeline p{ font-size:.92rem; color:var(--muted); margin:0; }

/* ---------- Kartlar ---------- */
.cards{ display:grid; grid-template-columns:repeat(4,1fr); gap:1.1rem; }
.card{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--r);
  padding:1.8rem 1.5rem; transition:border-color .22s ease, transform .22s ease, background .22s ease;
}
.card:hover{ border-color:var(--line-2); transform:translateY(-3px); background:var(--surface-2); }
.card-ico{
  width:46px; height:46px; border-radius:8px; display:grid; place-items:center;
  background:var(--accent-dim); color:var(--accent-2); margin-bottom:1.1rem;
}
.card-ico svg{ width:24px; height:24px; stroke-linecap:round; stroke-linejoin:round; }
.card h3{ margin-bottom:.6rem; }
.card p{ font-size:.92rem; color:var(--muted); margin:0; }

/* ---------- Ürünler ---------- */
.filters{ display:flex; flex-wrap:wrap; gap:.6rem; margin-bottom:2rem; }
.filter{
  background:transparent; border:1px solid var(--line-2); border-radius:99px;
  padding:.55rem 1.25rem; cursor:pointer;
  font-size:.82rem; font-weight:600; letter-spacing:.07em; text-transform:uppercase;
  color:var(--text-2); transition:.18s ease;
}
.filter:hover{ color:var(--strong); border-color:var(--steel); }
.filter.is-active{ background:var(--accent); border-color:var(--accent); color:#fff; }

.grid-products{
  display:grid; grid-template-columns:repeat(auto-fill, minmax(220px, 1fr)); gap:1.1rem;
}
.product{
  display:flex; flex-direction:column; text-align:left; padding:0; cursor:pointer;
  background:var(--surface); border:1px solid var(--line); border-radius:var(--r);
  overflow:hidden; transition:border-color .2s ease, transform .2s ease;
}
.product:hover{ border-color:var(--accent); transform:translateY(-3px); }
.product[hidden]{ display:none; }

.p-media{ position:relative; display:block; aspect-ratio:4/3; background:#fff; overflow:hidden; }
.p-media img{
  width:100%; height:100%; object-fit:contain; padding:.2rem;
  transition:transform .35s ease;
}
.product:hover .p-media img{ transform:scale(1.04); }
.p-badge{
  position:absolute; right:.55rem; bottom:.55rem;
  background:var(--accent); color:#fff; border-radius:4px;
  font-family:var(--ff-head); font-size:.85rem; font-weight:700; letter-spacing:.04em;
  padding:.1rem .45rem;
}
.p-body{ display:block; padding:.95rem 1rem 1.15rem; }
.p-name{
  display:block; font-family:var(--ff-head); font-size:1.22rem; font-weight:700;
  color:var(--strong); line-height:1.15; margin-bottom:.3rem;
}
.p-desc{ display:block; font-size:.79rem; color:var(--muted); line-height:1.5; }

/* ---------- Uygulama alanları ---------- */
.apps{
  display:grid; grid-template-columns:repeat(5, 1fr); gap:1rem;
}
.app{
  margin:0; background:var(--surface); border:1px solid var(--line); border-radius:var(--r);
  overflow:hidden; transition:border-color .22s ease, transform .22s ease;
}
.app:hover{ border-color:var(--accent); transform:translateY(-3px); }
.app img{
  width:100%; aspect-ratio:4/3; object-fit:cover;
  filter:saturate(.9) contrast(1.04);
  transition:transform .4s ease;
}
.app:hover img{ transform:scale(1.05); }
.app figcaption{ padding:.9rem 1rem 1.1rem; }
.app figcaption strong{
  display:block; font-family:var(--ff-head); font-size:1.12rem; font-weight:700;
  color:var(--strong); line-height:1.15; margin-bottom:.22rem;
}
.app figcaption span{ display:block; font-size:.78rem; color:var(--muted); line-height:1.45; }

/* ---------- Katalog kartı ---------- */
.catalog-card{
  display:flex; align-items:center; gap:1.1rem; margin-top:1.8rem;
  background:var(--surface); border:1px solid var(--line); border-left:3px solid var(--accent);
  border-radius:var(--r); padding:1.15rem 1.3rem;
  transition:border-color .2s ease, background .2s ease, transform .2s ease;
}
.catalog-card:hover{ background:var(--surface-2); border-color:var(--line-2); border-left-color:var(--accent-2); transform:translateY(-2px); }
.catalog-ico{
  flex:none; width:44px; height:44px; border-radius:8px; display:grid; place-items:center;
  background:var(--accent-dim); color:var(--accent-2);
}
.catalog-ico svg{ width:22px; height:22px; }
.catalog-txt strong{
  display:block; font-family:var(--ff-head); font-size:1.15rem; font-weight:700; color:var(--strong);
  letter-spacing:.03em; margin-bottom:.15rem;
}
.catalog-txt span{ display:block; font-size:.82rem; color:var(--muted); line-height:1.45; }

/* ---------- Kapasite ---------- */
.spec-highlights{
  display:grid; grid-template-columns:repeat(4,1fr); gap:1.1rem; margin-bottom:2.6rem;
}
.spec-hl{
  background:var(--surface); border:1px solid var(--line); border-left:3px solid var(--accent);
  border-radius:var(--r); padding:1.35rem 1.4rem;
}
.spec-hl-num{
  display:block; font-family:var(--ff-head); font-size:clamp(1.4rem,2.4vw,1.9rem);
  font-weight:700; color:var(--strong); line-height:1.1; margin-bottom:.3rem;
}
.spec-hl span:last-child{ font-size:.82rem; letter-spacing:.08em; text-transform:uppercase; color:var(--muted); }

.capab{ margin-bottom:2.6rem; }
.capab h3{ margin-bottom:1rem; }
.capab-list{
  list-style:none; margin:0; padding:0;
  display:grid; grid-template-columns:repeat(2,1fr); gap:.55rem 2rem;
}
.capab-list li{
  position:relative; padding-left:1.7rem; color:var(--text-2); font-size:.95rem;
}
.capab-list li::before{
  content:''; position:absolute; left:0; top:.62em;
  width:8px; height:8px; border-radius:50%;
  background:var(--accent); box-shadow:0 0 0 3px var(--accent-dim);
}

.table-wrap{
  overflow-x:auto; border:1px solid var(--line); border-radius:var(--r);
  background:var(--surface);
}
.spec-table{ width:100%; border-collapse:collapse; min-width:660px; font-size:.9rem; }
.spec-table caption{
  text-align:left; padding:1.1rem 1.2rem .2rem;
  font-family:var(--ff-head); font-size:1.15rem; font-weight:600; color:var(--strong);
  letter-spacing:.04em;
}
.spec-table th, .spec-table td{ padding:.72rem 1.2rem; text-align:left; }
.spec-table thead th{
  font-size:.74rem; letter-spacing:.11em; text-transform:uppercase; color:var(--muted);
  border-bottom:1px solid var(--line-2); font-weight:600; white-space:nowrap;
}
.spec-table tbody tr{ border-bottom:1px solid var(--line); }
.spec-table tbody tr:last-child{ border-bottom:0; }
.spec-table tbody tr:hover{ background:var(--tint); }
.spec-table tbody th{
  font-family:var(--ff-head); font-size:1.1rem; font-weight:700; color:var(--accent-2);
  letter-spacing:.05em;
}
.spec-table td{ color:var(--text-2); white-space:nowrap; }
.spec-table td.num{ color:var(--strong); font-weight:600; }

/* ---------- Kalite belgesi ---------- */
.quality{
  display:flex; gap:1.6rem; align-items:flex-start; margin-top:2.6rem;
  background:var(--surface); border:1px solid var(--line); border-radius:var(--r);
  padding:1.8rem 1.9rem;
}
.quality-badge{
  flex:none; width:92px; height:92px; border-radius:50%;
  display:grid; place-content:center; text-align:center;
  border:2px solid var(--accent); background:var(--accent-dim); color:var(--strong);
  font-family:var(--ff-head); line-height:1;
}
.quality-badge span{ font-size:.82rem; letter-spacing:.22em; color:var(--accent-2); }
.quality-badge strong{ font-size:1.75rem; font-weight:700; margin-top:.2rem; }
.quality-body h3{ margin-bottom:.5rem; }
.quality-body > p{ color:var(--text-2); margin-bottom:1.2rem; max-width:62ch; }

.quality-meta{
  display:grid; grid-template-columns:repeat(3, auto); gap:.9rem 2.4rem; margin:0;
  justify-content:start;
}
.quality-meta > div{ min-width:0; }
.quality-meta .quality-scope{ grid-column:1 / -1; }
.quality-meta dt{
  font-size:.72rem; letter-spacing:.12em; text-transform:uppercase; color:var(--muted); margin-bottom:.18rem;
}
.quality-meta dd{ margin:0; color:var(--text); font-size:.94rem; }
.quality-meta .quality-scope dd{ color:var(--text-2); }

/* ---------- Sık sorulan sorular ---------- */
.faq{
  display:grid; gap:.7rem;
  max-width:none;
}
.faq-item{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--r);
  overflow:hidden; transition:border-color .2s ease;
}
.faq-item[open]{ border-color:var(--line-2); }
.faq-item:hover{ border-color:var(--line-2); }
.faq-item summary{
  list-style:none; cursor:pointer; padding:1.15rem 3rem 1.15rem 1.4rem;
  position:relative;
  font-family:var(--ff-head); font-size:clamp(1.08rem,1.5vw,1.28rem); font-weight:600;
  color:var(--strong); line-height:1.25;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{
  content:''; position:absolute; right:1.4rem; top:50%;
  width:11px; height:11px; margin-top:-7px;
  border-right:2px solid var(--accent); border-bottom:2px solid var(--accent);
  transform:rotate(45deg); transition:transform .22s ease;
}
.faq-item[open] summary::after{ transform:rotate(-135deg); margin-top:-3px; }
.faq-item summary:hover{ color:var(--accent-2); }
.faq-body{ padding:0 1.4rem 1.35rem; }
.faq-body p{ color:var(--text-2); margin:0 0 .8rem; max-width:76ch; }
.faq-body p:last-child{ margin-bottom:0; }
.faq-body strong{ color:var(--strong); font-weight:600; }
.faq-formula{
  font-family:var(--ff-head); font-size:1.05rem; letter-spacing:.02em;
  background:var(--accent-dim); border-left:3px solid var(--accent);
  padding:.7rem 1rem; border-radius:0 6px 6px 0; color:var(--strong) !important;
}
.faq-link{ color:var(--accent-2); font-weight:600; border-bottom:1px solid transparent; }
.faq-link:hover{ border-bottom-color:var(--accent); }

/* ---------- Ağırlık hesaplama aracı ---------- */
.calc{
  margin-top:2.6rem; background:var(--surface);
  border:1px solid var(--line); border-radius:var(--r);
  padding:1.9rem 1.9rem 1.6rem;
}
.calc-head h3{ margin-bottom:.5rem; }
.calc-head p{ color:var(--text-2); font-size:.95rem; max-width:70ch; }
.calc-grid{
  display:grid; grid-template-columns:repeat(4,1fr); gap:.9rem; margin:1.4rem 0 1.5rem;
}
.calc-field{ display:flex; flex-direction:column; gap:.35rem; min-width:0; }
.calc-field-wide{ grid-column:span 4; }
.calc-field > span{
  font-size:.74rem; letter-spacing:.11em; text-transform:uppercase; color:var(--muted);
}
.calc-field input, .calc-field select{
  font:inherit; font-size:.95rem; width:100%;
  padding:.65rem .8rem; border-radius:6px;
  border:1px solid var(--line-2); background:var(--bg-2); color:var(--text);
  transition:border-color .18s ease;
}
.calc-field input:focus, .calc-field select:focus{ border-color:var(--accent); outline:none; }

.calc-out{
  display:grid; grid-template-columns:repeat(3,1fr); gap:1px;
  background:var(--line); border:1px solid var(--line); border-radius:var(--r); overflow:hidden;
}
.calc-res{ background:var(--surface-2); padding:1.1rem 1.2rem; }
.calc-res-main{ background:var(--accent-dim); }
.calc-res-label{
  display:block; font-size:.74rem; letter-spacing:.11em; text-transform:uppercase;
  color:var(--muted); margin-bottom:.3rem;
}
.calc-res strong{
  display:block; font-family:var(--ff-head); font-size:clamp(1.3rem,2.2vw,1.7rem);
  font-weight:700; color:var(--strong); line-height:1.1;
}
.calc-res-main strong{ color:var(--accent-2); }

/* ---------- Vizyon ---------- */
.vm-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:1.2rem; }
.vm{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--r);
  padding:2rem 1.9rem;
}
.vm-tag{
  display:inline-block; margin-bottom:1rem; padding:.28rem .85rem; border-radius:99px;
  background:var(--accent-dim); color:var(--accent-2);
  font-family:var(--ff-head); font-size:.9rem; font-weight:600; letter-spacing:.16em; text-transform:uppercase;
}
.vm p{ margin:0; color:var(--text-2); font-size:1rem; }

.values{ display:flex; flex-wrap:wrap; gap:.6rem; margin-top:1.6rem; }
.value{
  border:1px solid var(--line-2); border-radius:99px; padding:.45rem 1.15rem;
  font-size:.83rem; letter-spacing:.06em; color:var(--text-2);
}

/* ---------- Ekip ---------- */
.team{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.1rem; }
.member{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--r);
  padding:2rem 1.6rem; text-align:center;
}
.member-initials{
  display:grid; place-items:center; width:66px; height:66px; margin:0 auto 1.1rem;
  border-radius:50%; background:var(--accent-dim); border:1px solid var(--accent);
  font-family:var(--ff-head); font-size:1.5rem; font-weight:700; color:var(--accent-2);
  letter-spacing:.05em;
}
.member h3{ margin-bottom:.25rem; }
.member-role{ margin:0; font-size:.85rem; letter-spacing:.08em; text-transform:uppercase; color:var(--muted); }

/* ---------- İletişim ---------- */
.contact-grid{ display:grid; grid-template-columns: 1fr 1fr; gap:clamp(1.6rem,3.5vw,3rem); align-items:start; }

.legal-name{
  font-family:var(--ff-head); font-size:1.22rem; font-weight:600; color:var(--strong);
  line-height:1.25; margin-bottom:1.6rem;
}
.contact-list{ list-style:none; margin:0 0 2rem; padding:0; }
.contact-list li{
  display:grid; grid-template-columns:150px 1fr; gap:1rem;
  padding:.85rem 0; border-top:1px solid var(--line);
}
.contact-list li:last-child{ border-bottom:1px solid var(--line); }
.ci-label{ font-size:.76rem; letter-spacing:.11em; text-transform:uppercase; color:var(--muted); padding-top:.2rem; }
.ci-value{ color:var(--text); }
.ci-value a{ border-bottom:1px solid var(--line-2); transition:.18s ease; }
.ci-value a:hover{ color:var(--accent-2); border-bottom-color:var(--accent); }

.contact-cta{ display:flex; flex-wrap:wrap; gap:.8rem; }

.contact-map{
  border:1px solid var(--line); border-radius:var(--r); overflow:hidden;
  aspect-ratio:4/3; background:var(--surface);
}
.contact-map iframe{ width:100%; height:100%; border:0; display:block; filter:grayscale(.3) contrast(1.05); }

/* ---------- Footer ---------- */
.site-footer{ background:var(--footer-bg); border-top:1px solid var(--line); }
.footer-inner{
  display:grid; grid-template-columns: 1.6fr 1fr 1fr; gap:2rem;
  padding-block:clamp(2.5rem,5vw,3.5rem);
}
.footer-brand img{ height:36px; width:auto; margin-bottom:1rem; }
.footer-brand p{ font-size:.9rem; color:var(--muted); max-width:42ch; margin:0; }
.footer-nav{ display:flex; flex-direction:column; gap:.55rem; }
.footer-nav a{ font-size:.87rem; color:var(--text-2); transition:color .18s ease; }
.footer-nav a:hover{ color:var(--accent-2); }
.footer-contact{ display:flex; flex-direction:column; gap:.55rem; }
.footer-contact a{ font-size:.87rem; color:var(--text-2); transition:color .18s ease; }
.footer-contact a:hover{ color:var(--accent-2); }
.footer-bottom{
  border-top:1px solid var(--line); padding-block:1.2rem;
}
.footer-bottom p{ margin:0; font-size:.8rem; color:var(--muted); }

/* ---------- Floating ---------- */
.fab{
  position:fixed; z-index:90; width:52px; height:52px; border-radius:50%;
  display:grid; place-items:center; cursor:pointer; border:0;
  box-shadow:var(--shadow); transition:transform .18s ease, opacity .25s ease, visibility .25s;
}
.fab:hover{ transform:translateY(-3px); }
.fab svg{ width:26px; height:26px; }
.fab-wa{ right:20px; bottom:20px; background:#25d366; color:#0a0d10; }
.fab-top{
  right:20px; bottom:84px; background:var(--surface-2); color:var(--text);
  border:1px solid var(--line-2);
  opacity:0; visibility:hidden;
}
.fab-top.is-visible{ opacity:1; visibility:visible; }
.fab-top svg{ width:20px; height:20px; stroke-linecap:round; stroke-linejoin:round; }

/* ---------- Lightbox ---------- */
/* Her iki temada da koyu zeminli; içindeki renkler bilerek tema token.ına bağlı değil. */
.lightbox{
  position:fixed; inset:0; z-index:150;
  display:flex; align-items:center; justify-content:center; gap:1rem;
  background:rgba(6,8,10,.94); padding:clamp(1rem,4vw,3rem);
}
.lightbox[hidden]{ display:none; }
.lb-figure{
  margin:0; max-width:min(900px, 100%); max-height:100%;
  display:flex; flex-direction:column; gap:.9rem;
}
.lb-figure img{
  max-height:74vh; width:auto; margin:0 auto; border-radius:var(--r);
  background:#fff; object-fit:contain;
}
.lb-figure figcaption{ text-align:center; }
.lb-figure figcaption strong{
  display:block; font-family:var(--ff-head); font-size:1.5rem; font-weight:700; color:#fff; letter-spacing:.04em;
}
.lb-figure figcaption span{ display:block; font-size:.86rem; color:#9aa5b1; margin-top:.2rem; }

.lb-close{
  position:absolute; top:14px; right:18px; width:44px; height:44px;
  background:transparent; border:1px solid rgba(255,255,255,.22); border-radius:8px;
  font-size:1.9rem; line-height:1; cursor:pointer; color:#e9edf2;
}
.lb-close:hover{ border-color:#e1121c; color:#ff2a35; }
.lb-nav{
  flex:none; width:48px; height:48px; border-radius:50%;
  background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.22);
  font-size:2rem; line-height:1; cursor:pointer; color:#e9edf2;
  display:grid; place-items:center;
}
.lb-nav:hover{ background:#e1121c; border-color:#e1121c; color:#fff; }

/* ==================================================================
   Responsive
   ================================================================== */

@media (max-width: 1100px){
  .apps{ grid-template-columns:repeat(3,1fr); }
  .cards{ grid-template-columns:repeat(2,1fr); }
  .spec-highlights{ grid-template-columns:repeat(2,1fr); }
  .timeline{ grid-template-columns:repeat(2,1fr); row-gap:1.6rem; }
  .timeline li + li{ padding-left:0; }
  .timeline li:nth-child(even){ padding-left:1.4rem; }
}

@media (max-width: 980px){
  .nav{
    position:fixed; inset:var(--header-h) 0 auto 0;
    background:var(--nav-panel-bg); backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
    max-height:0; overflow:hidden; transition:max-height .3s ease;
  }
  .nav.is-open{ max-height:70vh; overflow-y:auto; }
  .nav-list{ flex-direction:column; align-items:stretch; gap:0; padding:.6rem var(--pad) 1.4rem; }
  .nav-list a{ padding:.85rem .2rem; font-size:.95rem; border-bottom:1px solid var(--line); }
  .nav-list a.is-current::after{ display:none; }
  .nav-list a.is-current{ color:var(--accent-2); }
  .nav-toggle{ display:flex; }

  .stats-grid{ grid-template-columns:repeat(3,1fr); }
  .stat:nth-child(4){ border-left:0; }
  .stat{ border-top:1px solid var(--line); }
  .stat:nth-child(-n+3){ border-top:0; }

  .about-grid{ grid-template-columns:1fr; }
  .about-figure{ order:-1; }
  .contact-grid{ grid-template-columns:1fr; }
  .vm-grid{ grid-template-columns:1fr; }
  .team{ grid-template-columns:1fr; }
  .footer-inner{ grid-template-columns:1fr 1fr; }
  .footer-brand{ grid-column:1 / -1; }
}

@media (max-width: 640px){
  :root{ --header-h:66px; }
  .brand img{ height:32px; }
  .stats-grid{ grid-template-columns:repeat(2,1fr); }
  .stat{ border-left:0; border-top:1px solid var(--line); }
  .stat:nth-child(-n+2){ border-top:0; }
  .stat:nth-child(5){ grid-column:1 / -1; }
  .cards{ grid-template-columns:1fr; }
  .spec-highlights{ grid-template-columns:1fr; }
  .calc-grid{ grid-template-columns:repeat(2,1fr); }
  .calc-field-wide{ grid-column:span 2; }
  .calc-out{ grid-template-columns:1fr; }
  .capab-list{ grid-template-columns:1fr; }
  .quality{ flex-direction:column; gap:1.1rem; padding:1.5rem 1.3rem; }
  .quality-meta{ grid-template-columns:1fr 1fr; gap:.8rem 1.4rem; }
  .timeline{ grid-template-columns:1fr; }
  .timeline li:nth-child(even){ padding-left:0; }
  .grid-products{ grid-template-columns:repeat(2,1fr); gap:.75rem; }
  .p-body{ padding:.75rem .8rem 1rem; }
  .calc{ padding:1.4rem 1.2rem 1.2rem; }
  .calc-grid{ grid-template-columns:1fr; }
  .calc-field-wide{ grid-column:span 1; }
  .faq-item summary{ padding:1rem 2.6rem 1rem 1.1rem; }
  .faq-body{ padding:0 1.1rem 1.1rem; }
  .apps{ grid-template-columns:repeat(2,1fr); gap:.75rem; }
  .app figcaption{ padding:.7rem .8rem .9rem; }
  .catalog-card{ flex-direction:column; align-items:flex-start; gap:.8rem; }
  .contact-list li{ grid-template-columns:1fr; gap:.15rem; }
  .footer-inner{ grid-template-columns:1fr; }
  .hero-cta .btn{ flex:1 1 100%; }
  .lb-nav{ width:40px; height:40px; font-size:1.6rem; }
  .lightbox{ gap:.4rem; }
}

/* Yazdırma */
@media print{
  .site-header, .fab, .filters, .contact-map, .lightbox{ display:none !important; }
  body{ background:#fff; color:#000; }
}
