/* =========================================================================
   HALATAL.COM — Endüstriyel / Marin Tasarım Sistemi
   Fonts: Archivo (display) · Hanken Grotesk (body) · Space Mono (teknik)
   ========================================================================= */

:root{
  /* — Renk: derin marin mürekkep zemin + halat-lifi vurgular — */
  --ink:        #061520;   /* en koyu zemin — derin lacivert mürekkep */
  --navy:       #0a2236;   /* ana koyu yüzey — lacivert */
  --steel:      #103247;   /* yükseltilmiş yüzey — deniz mavisi */
  --steel-2:    #18455c;   /* kart yüzeyi */
  --line:       rgba(214,230,233,.13);
  --line-strong:rgba(214,230,233,.24);

  --fiber:      #c7944c;   /* pirinç / manila halat — birincil vurgu */
  --fiber-deep: #a6772f;
  --fiber-soft: #e2c184;
  --teal:       #2ba0b4;   /* deniz akuası — ikincil vurgu */
  --teal-deep:  #157180;

  --cream:      #eaf0ef;   /* deniz köpüğü — açık bölüm zemini */
  --paper:      #f5f8f8;
  --sand:       #d9e3e2;
  --sand-line:  #c2d0cf;

  --on-dark:    #e9f1f2;
  --on-dark-mut:#9ab2bc;
  --on-light:   #0d2733;
  --on-light-mut:#4f6a74;

  --maxw: 1280px;
  --gutter: clamp(20px, 5vw, 72px);
  --radius: 4px;
  --radius-lg: 10px;

  --ff-display: "Archivo", system-ui, sans-serif;
  --ff-body: "Hanken Grotesk", system-ui, sans-serif;
  --ff-mono: "Space Mono", ui-monospace, monospace;

  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-out: cubic-bezier(.16,1,.3,1);

  --shadow: 0 24px 60px -24px rgba(0,0,0,.55);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  margin:0;
  font-family:var(--ff-body);
  background:var(--navy);
  color:var(--on-dark);
  font-size:18px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; cursor:pointer; }
::selection{ background:var(--fiber); color:#fff; }

/* — Tipografi — */
h1,h2,h3,h4{ font-family:var(--ff-display); font-weight:800; line-height:1.02; letter-spacing:-.02em; margin:0; }
.display{
  font-family:var(--ff-display); font-weight:900;
  font-size:clamp(46px, 8.5vw, 132px);
  line-height:.92; letter-spacing:-.035em;
  text-transform:uppercase;
}
.h-xl{ font-size:clamp(34px,5vw,72px); }
.h-lg{ font-size:clamp(28px,3.6vw,52px); }
.h-md{ font-size:clamp(22px,2.4vw,32px); }
.eyebrow{
  font-family:var(--ff-mono);
  font-size:13px; letter-spacing:.32em; text-transform:uppercase;
  color:var(--fiber); font-weight:700; margin:0;
  display:inline-flex; align-items:center; gap:12px;
}
.eyebrow::before{ content:""; width:30px; height:1px; background:var(--fiber); opacity:.8; }
.eyebrow.no-mark::before{ display:none; }
.lead{ font-size:clamp(18px,1.5vw,22px); color:var(--on-dark-mut); max-width:62ch; }
.mono{ font-family:var(--ff-mono); }

/* — Düzen — */
.wrap{ max-width:var(--maxw); margin:0 auto; padding-inline:var(--gutter); }
.section{ padding-block:clamp(72px,10vw,150px); position:relative; }
.section.tight{ padding-block:clamp(48px,6vw,90px); }
section{ position:relative; }
.bg-ink{ background:var(--ink); }
.bg-navy{ background:var(--navy); }
.bg-steel{ background:var(--steel); }
.bg-cream{ background:var(--cream); color:var(--on-light); }
.bg-cream .lead{ color:var(--on-light-mut); }
.bg-cream .eyebrow{ color:var(--fiber-deep); }
.bg-cream .eyebrow::before{ background:var(--fiber-deep); }

/* — Butonlar — */
.btn{
  display:inline-flex; align-items:center; gap:12px;
  font-family:var(--ff-display); font-weight:700; font-size:16px; letter-spacing:.01em;
  padding:16px 28px; border-radius:999px; border:1px solid transparent;
  position:relative; overflow:hidden; transition:transform .35s var(--ease-out), background .3s, color .3s, border-color .3s;
  text-transform:uppercase; white-space:nowrap;
}
.btn .arr{ transition:transform .4s var(--ease-out); }
.btn:hover .arr{ transform:translateX(5px); }
.btn-primary{ background:var(--fiber); color:#fff; }
.btn-primary:hover{ background:var(--fiber-deep); transform:translateY(-2px); }
.btn-ghost{ border-color:var(--line-strong); color:var(--on-dark); }
.btn-ghost:hover{ border-color:var(--fiber); color:var(--fiber-soft); transform:translateY(-2px); }
.bg-cream .btn-ghost{ border-color:rgba(20,39,47,.22); color:var(--on-light); }
.bg-cream .btn-ghost:hover{ border-color:var(--fiber-deep); color:var(--fiber-deep); }
.btn-lg{ padding:20px 36px; font-size:18px; }

/* =========================================================================
   HEADER
   ========================================================================= */
.site-header{
  position:fixed; inset:0 0 auto 0; z-index:80;
  padding:18px 0;
  transition:background .4s var(--ease), padding .4s var(--ease), border-color .4s;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(6,21,32,.82);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom-color:var(--line);
  padding:12px 0;
}
.nav{ display:flex; align-items:center; justify-content:space-between; gap:20px; flex-wrap:nowrap; }
.nav-links{ display:flex; align-items:center; gap:6px; flex-shrink:0; }
.nav-link{
  font-family:var(--ff-display); font-weight:600; font-size:15px;
  padding:10px 16px; border-radius:999px; color:var(--on-dark-mut);
  transition:color .25s, background .25s; position:relative; letter-spacing:.005em;
}
.nav-link:hover{ color:var(--on-dark); }
.nav-link.active{ color:var(--on-dark); }
.nav-link.active::after{
  content:""; position:absolute; left:16px; right:16px; bottom:4px; height:2px;
  background:var(--fiber); border-radius:2px;
}
.nav-right{ display:flex; align-items:center; gap:14px; flex-shrink:0; }
.nav-right .btn-primary{ flex:none; }

.lang-toggle{
  display:inline-flex; align-items:center; border:1px solid var(--line-strong);
  border-radius:999px; overflow:hidden; font-family:var(--ff-mono); font-size:12px; font-weight:700;
}
.lang-toggle button{ background:none; border:0; color:var(--on-dark-mut); padding:7px 11px; letter-spacing:.05em; transition:color .2s, background .2s; }
.lang-toggle button.active{ background:var(--fiber); color:#fff; }

.burger{ display:none; flex-direction:column; gap:5px; background:none; border:0; padding:10px; }
.burger span{ width:24px; height:2px; background:var(--on-dark); border-radius:2px; transition:transform .3s, opacity .3s; }

/* — Logo / wordmark — */
.logo{ display:inline-flex; align-items:center; gap:12px; }
.logo-mark{ width:38px; height:38px; flex:none; }
.logo-mark .coil{ transform-origin:center; animation:spin 26s linear infinite; }
@keyframes spin{ to{ transform:rotate(360deg); } }
.logo-word{ font-family:var(--ff-display); font-weight:900; font-size:22px; letter-spacing:-.02em; text-transform:uppercase; line-height:1; }
.logo-word b{ color:var(--fiber); }
.logo-sub{ display:block; font-family:var(--ff-mono); font-size:9px; letter-spacing:.34em; color:var(--on-dark-mut); font-weight:400; margin-top:3px; }

/* mobil menü */
.mobile-menu{
  position:fixed; inset:0; z-index:90; background:var(--ink);
  display:flex; flex-direction:column; justify-content:center; padding:var(--gutter);
  transform:translateY(-100%); transition:transform .5s var(--ease); gap:6px;
}
.mobile-menu.open{ transform:translateY(0); }
.mobile-menu a{ font-family:var(--ff-display); font-weight:800; font-size:clamp(34px,9vw,58px); text-transform:uppercase; color:var(--on-dark); padding:8px 0; border-bottom:1px solid var(--line); letter-spacing:-.02em; }
.mobile-menu a .idx{ font-family:var(--ff-mono); font-size:14px; color:var(--fiber); margin-right:18px; font-weight:700; vertical-align:middle; }
.mobile-close{ position:absolute; top:22px; right:var(--gutter); background:none; border:0; color:var(--on-dark); font-size:34px; line-height:1; }

/* =========================================================================
   ROPE / HALAT MOTION
   ========================================================================= */
/* bükülen ip şeridi — repeating-gradient fiberleri kayar */
.rope-strand{
  height:22px; border-radius:999px; position:relative; overflow:hidden;
  background:
    repeating-linear-gradient(58deg,
      rgba(0,0,0,.26) 0 5px,
      rgba(255,255,255,.10) 5px 9px,
      rgba(0,0,0,.10) 9px 14px),
    linear-gradient(180deg, var(--fiber-soft), var(--fiber) 45%, var(--fiber-deep));
  background-size:22px 100%, 100% 100%;
  box-shadow: inset 0 4px 7px rgba(255,255,255,.22), inset 0 -6px 9px rgba(0,0,0,.32);
  animation:ropeTravel 5.5s linear infinite;
}
.rope-strand.teal{ background:
    repeating-linear-gradient(58deg, rgba(0,0,0,.26) 0 5px, rgba(255,255,255,.10) 5px 9px, rgba(0,0,0,.10) 9px 14px),
    linear-gradient(180deg, #74d3e1, var(--teal) 45%, var(--teal-deep));
  background-size:22px 100%, 100% 100%; }
.rope-strand.thin{ height:12px; background-size:14px 100%, 100% 100%; }
@keyframes ropeTravel{ to{ background-position:22px 0, 0 0; } }
@media (prefers-reduced-motion: reduce){ .rope-strand{ animation:none; } .logo-mark .coil{ animation:none; } }

/* dikey halat (parallax dekor) */
.rope-vert{
  width:16px; border-radius:999px;
  background:
    repeating-linear-gradient(148deg, rgba(0,0,0,.28) 0 5px, rgba(255,255,255,.12) 5px 9px, rgba(0,0,0,.10) 9px 14px),
    linear-gradient(90deg, var(--fiber-deep), var(--fiber) 50%, var(--fiber-soft));
  background-size:100% 22px, 100% 100%;
  box-shadow: inset 4px 0 7px rgba(255,255,255,.18), inset -6px 0 9px rgba(0,0,0,.34);
  animation:ropeTravelV 6s linear infinite;
}
@keyframes ropeTravelV{ to{ background-position:0 22px, 0 0; } }

/* ince ayraç çizgisi */
.hr-rope{ height:22px; margin:0; }

/* =========================================================================
   MOTION UTILITIES (scroll reveal / parallax)
   ========================================================================= */
[data-reveal]{ opacity:0; transform:translateY(34px); transition:opacity .9s var(--ease-out), transform .9s var(--ease-out); }
[data-reveal="left"]{ transform:translateX(-44px); }
[data-reveal="right"]{ transform:translateX(44px); }
[data-reveal="scale"]{ transform:scale(.94); }
[data-reveal].in{ opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){
  [data-reveal]{ opacity:1 !important; transform:none !important; }
}
[data-parallax]{ will-change:transform; }

/* metin satır maskesi (hero başlık) */
.line-mask{ overflow:hidden; display:block; }
.line-mask > span{ display:block; transform:translateY(105%); transition:transform 1.05s var(--ease-out); }
.ready .line-mask > span{ transform:translateY(0); }
.ready .line-mask:nth-child(2) > span{ transition-delay:.08s; }
.ready .line-mask:nth-child(3) > span{ transition-delay:.16s; }

/* =========================================================================
   HERO
   ========================================================================= */
.hero{ position:relative; min-height:100svh; display:flex; overflow:hidden; background:var(--ink); }
.hero-media{ position:absolute; inset:-12% 0 0 0; z-index:0; }
.hero-media img{ width:100%; height:120%; object-fit:cover; filter:saturate(.82) contrast(1.05) brightness(.92); }
.hero-scrim{ position:absolute; inset:0; z-index:1;
  background:
    linear-gradient(180deg, rgba(6,21,32,.72) 0%, rgba(6,21,32,.52) 32%, rgba(6,21,32,.84) 74%, var(--ink) 100%),
    linear-gradient(95deg, rgba(6,21,32,.86) 0%, rgba(6,21,32,.42) 52%, rgba(6,21,32,.12) 100%);
}
.hero-grain{ position:absolute; inset:0; z-index:2; opacity:.5; mix-blend-mode:overlay; pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E"); }
.hero-inner{ position:relative; z-index:3; width:100%; display:flex; flex-direction:column; justify-content:flex-end; min-height:100svh; padding-bottom:clamp(56px,7vh,104px); padding-top:128px; }
.hero h1{ color:#fff; margin:18px 0 26px; }
.hero .lead{ color:#dfe6e8; }
.hero-cta{ display:flex; gap:16px; flex-wrap:wrap; margin-top:34px; }
.hero-stats{ display:flex; gap:clamp(28px,5vw,72px); flex-wrap:wrap; margin-top:54px; padding-top:30px; border-top:1px solid var(--line); }
.stat .num{ font-family:var(--ff-display); font-weight:900; font-size:clamp(34px,4.5vw,58px); line-height:1; color:#fff; letter-spacing:-.03em; }
.stat .num .u{ color:var(--fiber); }
.stat .lbl{ font-family:var(--ff-mono); font-size:12px; letter-spacing:.16em; text-transform:uppercase; color:var(--on-dark-mut); margin-top:10px; }

.scroll-hint{ position:absolute; right:var(--gutter); bottom:36px; z-index:3; display:flex; align-items:center; gap:12px; font-family:var(--ff-mono); font-size:11px; letter-spacing:.24em; text-transform:uppercase; color:var(--on-dark-mut); writing-mode:vertical-rl; }
.scroll-hint .dot{ width:8px; height:8px; border-radius:50%; background:var(--fiber); animation:bob 1.8s var(--ease) infinite; }
@keyframes bob{ 0%,100%{ transform:translateY(0); opacity:1;} 50%{ transform:translateY(8px); opacity:.4;} }

/* =========================================================================
   GENEL BİLEŞENLER
   ========================================================================= */
.sec-head{ display:flex; flex-direction:column; gap:18px; max-width:760px; }
.grid{ display:grid; gap:clamp(16px,2vw,28px); }
.cols-2{ grid-template-columns:repeat(2,1fr); }
.cols-3{ grid-template-columns:repeat(3,1fr); }
.cols-4{ grid-template-columns:repeat(4,1fr); }

/* ürün kartı */
.pcard{
  position:relative; border-radius:var(--radius-lg); overflow:hidden;
  background:var(--steel); border:1px solid var(--line);
  transition:transform .5s var(--ease-out), border-color .4s; display:flex; flex-direction:column;
}
.pcard:hover{ transform:translateY(-6px); border-color:var(--line-strong); }
.pcard-media{ aspect-ratio:4/3; overflow:hidden; position:relative; }
.pcard-media img{ width:100%; height:100%; object-fit:cover; transition:transform 1.1s var(--ease-out); }
.pcard:hover .pcard-media img{ transform:scale(1.07); }
.pcard-tag{ position:absolute; top:14px; left:14px; z-index:2; font-family:var(--ff-mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase; background:rgba(6,21,32,.7); backdrop-filter:blur(6px); color:var(--fiber-soft); padding:7px 12px; border-radius:999px; border:1px solid var(--line); }
.pcard-body{ padding:26px 24px 28px; display:flex; flex-direction:column; gap:12px; flex:1; }
.pcard-body h3{ font-size:25px; }
.pcard-body p{ margin:0; color:var(--on-dark-mut); font-size:15.5px; }
.pcard-spec{ margin-top:auto; padding-top:18px; border-top:1px solid var(--line); display:flex; gap:18px; font-family:var(--ff-mono); font-size:12px; color:var(--on-dark-mut); letter-spacing:.04em; flex-wrap:wrap; }
.pcard-spec span{ white-space:nowrap; }
.pcard-spec b{ color:var(--on-dark); font-weight:700; }
.pcard-link{ display:inline-flex; align-items:center; gap:8px; color:var(--fiber-soft); font-family:var(--ff-display); font-weight:700; font-size:14px; text-transform:uppercase; }
.pcard-body > .pcard-link{ margin-top:16px; }

/* özellik / değer kutusu */
.feat{ padding:30px 28px; border:1px solid var(--line); border-radius:var(--radius-lg); background:linear-gradient(180deg, rgba(255,255,255,.02), transparent); transition:border-color .4s, transform .5s var(--ease-out); }
.feat:hover{ border-color:var(--line-strong); transform:translateY(-4px); }
.feat .fnum{ font-family:var(--ff-mono); font-size:13px; color:var(--fiber); letter-spacing:.1em; }
.feat h3{ font-size:22px; margin:16px 0 10px; }
.feat p{ margin:0; color:var(--on-dark-mut); font-size:15.5px; }
.feat .ficon{ width:40px; height:40px; color:var(--fiber); }

/* süreç adımı */
.step{ display:grid; grid-template-columns:auto 1fr; gap:24px; padding:28px 0; border-top:1px solid var(--line); align-items:start; }
.step .sn{ font-family:var(--ff-display); font-weight:900; font-size:clamp(40px,5vw,72px); color:var(--steel-2); line-height:.8; -webkit-text-stroke:1px var(--line-strong); }
.bg-cream .step{ border-color:var(--sand-line); }
.bg-cream .step .sn{ color:var(--sand); -webkit-text-stroke:1px var(--sand-line); }
.step h3{ font-size:24px; margin-bottom:8px; }
.step p{ margin:0; color:var(--on-dark-mut); max-width:60ch; }
.bg-cream .step p{ color:var(--on-light-mut); }

/* madde işareti */
.ticks{ list-style:none; padding:0; margin:0; display:grid; gap:14px; }
.ticks li{ display:grid; grid-template-columns:auto 1fr; gap:14px; align-items:start; font-size:16px; }
.ticks svg{ width:22px; height:22px; color:var(--teal); margin-top:2px; flex:none; }

/* logo şeridi / sertifika */
.chips{ display:flex; flex-wrap:wrap; gap:12px; }
.chip{ font-family:var(--ff-mono); font-size:12.5px; letter-spacing:.08em; padding:10px 16px; border:1px solid var(--line); border-radius:999px; color:var(--on-dark-mut); }
.bg-cream .chip{ border-color:var(--sand-line); color:var(--on-light-mut); }

/* alıntı / büyük ifade */
.statement{ font-family:var(--ff-display); font-weight:800; font-size:clamp(28px,4vw,56px); line-height:1.04; letter-spacing:-.025em; max-width:18ch; }
.statement em{ font-style:normal; color:var(--fiber); }

/* =========================================================================
   CTA / TEKLİF BANDI
   ========================================================================= */
.cta-band{ position:relative; overflow:hidden; background:var(--ink); }
.cta-band .rope-bg{ position:absolute; inset:0; opacity:.16; z-index:0; }
.cta-inner{ position:relative; z-index:2; display:grid; grid-template-columns:1.2fr .8fr; gap:48px; align-items:center; }

/* =========================================================================
   FORM
   ========================================================================= */
.form-shell{ display:grid; grid-template-columns:1fr 360px; gap:0; border:1px solid var(--line); border-radius:var(--radius-lg); overflow:hidden; background:var(--steel); }
.form-main{ padding:clamp(28px,4vw,52px); }
.form-aside{ background:var(--ink); padding:clamp(28px,4vw,46px); position:relative; overflow:hidden; }
.form-aside .rope-vert{ position:absolute; top:-40px; bottom:-40px; right:34px; }
.field-grid{ display:grid; grid-template-columns:1fr 1fr; gap:18px 20px; }
.field{ display:flex; flex-direction:column; gap:8px; }
.field.full{ grid-column:1 / -1; }
.field label{ font-family:var(--ff-mono); font-size:12px; letter-spacing:.08em; text-transform:uppercase; color:var(--on-dark-mut); }
.field label .req{ color:var(--fiber); }
.field input, .field select, .field textarea{
  font-family:var(--ff-body); font-size:16px; color:var(--on-dark);
  background:rgba(6,21,32,.5); border:1px solid var(--line-strong); border-radius:var(--radius);
  padding:13px 14px; transition:border-color .25s, background .25s; width:100%;
}
.field textarea{ resize:vertical; min-height:110px; }
.field input:focus, .field select:focus, .field textarea:focus{ outline:none; border-color:var(--fiber); background:rgba(6,21,32,.8); }
.field select{ appearance:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239fb2bb' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 14px center; padding-right:36px; }
.field option{ background:var(--navy); }
/* dosya */
.file-drop{ display:flex; align-items:center; gap:14px; border:1px dashed var(--line-strong); border-radius:var(--radius); padding:16px; color:var(--on-dark-mut); cursor:pointer; transition:border-color .25s, color .25s; font-size:15px; }
.file-drop:hover{ border-color:var(--fiber); color:var(--on-dark); }
.file-drop svg{ width:22px; height:22px; color:var(--fiber); flex:none; }
.file-drop input{ display:none; }
/* çap chip seçim */
.dia-row{ display:flex; flex-wrap:wrap; gap:8px; }
.dia-chip{ font-family:var(--ff-mono); font-size:13px; padding:9px 14px; border:1px solid var(--line-strong); border-radius:999px; background:none; color:var(--on-dark-mut); transition:all .2s; }
.dia-chip:hover{ border-color:var(--fiber); color:var(--on-dark); }
.dia-chip.sel{ background:var(--fiber); border-color:var(--fiber); color:#fff; }
.form-success{ display:none; flex-direction:column; gap:14px; text-align:center; padding:40px 10px; }
.form-success.show{ display:flex; }
.form-success .ok{ width:64px; height:64px; margin:0 auto; border-radius:50%; background:var(--teal); display:grid; place-items:center; color:#fff; }
.form-success .ok svg{ width:32px; height:32px; }
/* hata kutusu */
.form-error{ display:none; margin-top:22px; padding:14px 18px; border-radius:var(--radius); border:1px solid var(--fiber-deep); background:rgba(217,116,59,.12); color:var(--fiber-soft); font-size:15px; }
.form-error.show{ display:block; }
/* buton yükleniyor */
.btn.loading{ opacity:.7; pointer-events:none; }

/* iletişim kartları */
.contact-card{ padding:26px; border:1px solid var(--line); border-radius:var(--radius-lg); background:var(--steel); display:flex; flex-direction:column; gap:8px; }
.contact-card .ico{ width:38px; height:38px; color:var(--fiber); margin-bottom:8px; }
.contact-card .k{ font-family:var(--ff-mono); font-size:11px; letter-spacing:.16em; text-transform:uppercase; color:var(--on-dark-mut); }
.contact-card a, .contact-card p{ margin:0; font-size:18px; color:var(--on-dark); }
.contact-card a:hover{ color:var(--fiber-soft); }

/* =========================================================================
   FOOTER
   ========================================================================= */
.site-footer{ background:var(--ink); border-top:1px solid var(--line); padding-top:clamp(56px,7vw,88px); }
.footer-top{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; padding-bottom:56px; }
.footer-col h4{ font-family:var(--ff-mono); font-size:12px; letter-spacing:.16em; text-transform:uppercase; color:var(--on-dark-mut); margin-bottom:20px; font-weight:700; }
.footer-col a{ display:block; color:var(--on-dark-mut); padding:6px 0; transition:color .2s, padding-left .2s; }
.footer-col a:hover{ color:var(--fiber-soft); padding-left:5px; }
.footer-brand p{ color:var(--on-dark-mut); max-width:34ch; margin:18px 0 0; font-size:15px; }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; gap:20px; flex-wrap:wrap; padding:26px 0; border-top:1px solid var(--line); font-size:13px; color:var(--on-dark-mut); font-family:var(--ff-mono); letter-spacing:.04em; }
.footer-bottom a{ color:var(--on-dark-mut); }
.footer-bottom a:hover{ color:var(--fiber-soft); }

/* =========================================================================
   ALT SAYFA BAŞLIĞI (page hero)
   ========================================================================= */
.page-hero{ position:relative; min-height:78svh; display:flex; align-items:flex-end; overflow:hidden; background:var(--ink); }
.page-hero.short{ min-height:64svh; }
.page-hero-media{ position:absolute; inset:-12% 0 0 0; z-index:0; }
.page-hero-media img{ width:100%; height:120%; object-fit:cover; filter:saturate(.82) contrast(1.05) brightness(.9); }
.page-hero-scrim{ position:absolute; inset:0; z-index:1;
  background:
    linear-gradient(180deg, rgba(6,21,32,.66) 0%, rgba(6,21,32,.4) 38%, rgba(6,21,32,.86) 82%, var(--ink) 100%),
    linear-gradient(95deg, rgba(6,21,32,.82) 0%, rgba(6,21,32,.34) 60%, rgba(6,21,32,.08) 100%); }
.page-hero-inner{ position:relative; z-index:3; width:100%; padding-top:clamp(140px,18vh,210px); padding-bottom:clamp(48px,7vh,90px); display:flex; flex-direction:column; gap:18px; }
.page-hero-inner h1{ color:#fff; }
.page-hero-inner .lead{ color:#dfe6e8; }
.page-hero-rope{ position:absolute; left:0; right:0; bottom:0; z-index:2; }
.page-hero-rope .rope-strand{ height:14px; border-radius:0; }

/* =========================================================================
   ÜRÜN SATIRI (alternating spec row)
   ========================================================================= */
.prod-row{ display:grid; grid-template-columns:1fr 1.05fr; gap:clamp(28px,4vw,64px); align-items:center; padding-block:clamp(40px,5vw,72px); border-top:1px solid var(--sand-line); }
.prod-row:first-of-type{ border-top:0; margin-top:30px; }
.prod-row.reverse .prod-row-media{ order:2; }
.prod-row-media{ position:relative; border-radius:var(--radius-lg); overflow:hidden; aspect-ratio:5/4; box-shadow:var(--shadow); background:var(--steel); }
.prod-row-media img{ width:100%; height:115%; object-fit:cover; }
.prod-row-body{ display:flex; flex-direction:column; gap:16px; align-items:flex-start; }
.prod-index{ font-size:12px; letter-spacing:.2em; color:var(--fiber-deep); }
.prod-row-body .lead{ margin:0; }
.prod-row-body .ticks{ margin-top:4px; }
.bg-cream .ticks li{ color:var(--on-light); }
.prod-spec{ display:flex; gap:clamp(20px,3vw,40px); flex-wrap:wrap; margin:8px 0 6px; padding-top:18px; border-top:1px solid var(--sand-line); width:100%; }
.prod-spec .ps{ display:flex; flex-direction:column; gap:5px; }
.prod-spec .k{ font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--on-light-mut); }
.prod-spec .v{ font-family:var(--ff-display); font-weight:800; font-size:18px; color:var(--on-light); }

/* =========================================================================
   MALZEME MATRİSİ
   ========================================================================= */
.mat-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:clamp(16px,1.8vw,24px); }
.mat-card{ padding:30px 26px; border:1px solid var(--line); border-radius:var(--radius-lg); background:linear-gradient(180deg, rgba(255,255,255,.025), transparent); display:flex; flex-direction:column; gap:14px; transition:border-color .4s, transform .5s var(--ease-out); }
.mat-card:hover{ border-color:var(--line-strong); transform:translateY(-5px); }
.mat-abbr{ font-family:var(--ff-mono); font-weight:700; font-size:13px; letter-spacing:.08em; color:var(--fiber); border:1px solid var(--line-strong); border-radius:999px; padding:6px 12px; align-self:flex-start; }
.mat-card h3{ font-size:22px; }
.mat-card p{ margin:0; color:var(--on-dark-mut); font-size:14.5px; flex:1; }
.mat-bars{ display:flex; flex-direction:column; gap:10px; margin-top:6px; }
.mat-bar{ display:grid; grid-template-columns:1fr; gap:6px; }
.mat-bar .mb-k{ font-size:11px; letter-spacing:.06em; color:var(--on-dark-mut); text-transform:uppercase; }
.mat-bar .mb-track{ height:6px; border-radius:999px; background:rgba(255,255,255,.08); overflow:hidden; }
.mat-bar .mb-track i{ display:block; height:100%; border-radius:999px; background:linear-gradient(90deg, var(--fiber-deep), var(--fiber)); transform-origin:left; animation:matFill 1.1s var(--ease-out) both; }
@keyframes matFill{ from{ transform:scaleX(0); } to{ transform:scaleX(1); } }
@media (prefers-reduced-motion: reduce){ .mat-bar .mb-track i{ animation:none; } }

/* =========================================================================
   ÇAP ÖLÇEĞİ
   ========================================================================= */
.dia-scale{ border:1px solid var(--line); border-radius:var(--radius-lg); padding:clamp(24px,3vw,36px); background:linear-gradient(180deg, rgba(255,255,255,.02), transparent); }
.dia-scale-head{ display:flex; justify-content:space-between; align-items:baseline; gap:16px; padding-bottom:20px; margin-bottom:8px; border-bottom:1px solid var(--line); }
.dia-scale-head .mono{ font-size:12px; letter-spacing:.12em; text-transform:uppercase; color:var(--on-dark-mut); }
.dia-scale-val{ color:var(--fiber-soft) !important; font-size:15px !important; }
.dia-rows{ display:flex; flex-direction:column; }
.dia-line{ display:grid; grid-template-columns:54px 96px 1fr; gap:16px; align-items:center; padding:15px 0; border-bottom:1px solid var(--line); }
.dia-line:last-child{ border-bottom:0; }
.dia-line .dl-dot{ width:var(--d); height:var(--d); border-radius:50%; background:linear-gradient(135deg, var(--fiber-soft), var(--fiber-deep)); box-shadow:0 0 0 1px var(--line-strong); justify-self:center; }
.dia-line .dl-lbl{ font-size:14px; color:var(--on-dark); letter-spacing:.02em; }
.dia-line .dl-use{ font-size:14.5px; color:var(--on-dark-mut); }

/* =========================================================================
   UYGULAMA KARTLARI
   ========================================================================= */
.use-card{ padding:30px 28px; border:1px solid var(--sand-line); border-radius:var(--radius-lg); background:var(--paper); display:flex; flex-direction:column; gap:12px; transition:border-color .4s, transform .5s var(--ease-out), box-shadow .4s; }
.use-card:hover{ transform:translateY(-5px); border-color:var(--fiber); box-shadow:0 20px 40px -28px rgba(20,39,47,.4); }
.use-card .ficon{ width:38px; height:38px; color:var(--fiber-deep); }
.use-card h3{ font-size:21px; color:var(--on-light); }
.use-card p{ margin:0; color:var(--on-light-mut); font-size:15px; flex:1; }
.use-card--cta{ background:var(--on-light); border-color:var(--on-light); justify-content:center; }
.use-card--cta h3{ color:#fff; }
.use-card--cta p{ color:rgba(255,255,255,.7); }
.use-card--cta .btn{ align-self:flex-start; margin-top:6px; }

/* =========================================================================
   MOLHALAT KARTI
   ========================================================================= */
.molhalat-card{ display:flex; align-items:center; justify-content:space-between; gap:28px; flex-wrap:wrap; padding:clamp(28px,4vw,44px); border:1px solid var(--line); border-radius:var(--radius-lg); background:linear-gradient(110deg, var(--steel), var(--navy)); }

/* =========================================================================
   FORM EK BİLEŞENLERİ
   ========================================================================= */
.field-block{ margin-bottom:30px; }
.field-block + .field-block{ padding-top:30px; border-top:1px solid var(--line); }
.field-block-title{ display:block; font-size:11px; letter-spacing:.2em; text-transform:uppercase; color:var(--fiber-soft); margin-bottom:18px; }
.aside-steps{ display:flex; flex-direction:column; gap:14px; }
.aside-step{ display:flex; align-items:center; gap:14px; font-size:15.5px; color:var(--on-dark); }
.aside-step .as-n{ width:30px; height:30px; flex:none; display:grid; place-items:center; border-radius:50%; border:1px solid var(--line-strong); color:var(--fiber-soft); font-size:13px; font-weight:700; }

/* =========================================================================
   ÜRÜN DETAY SAYFASI
   ========================================================================= */
.breadcrumb{ display:flex; align-items:center; gap:10px; font-family:var(--ff-mono); font-size:12px; letter-spacing:.1em; text-transform:uppercase; color:var(--on-dark-mut); }
.breadcrumb a{ color:var(--on-dark-mut); transition:color .2s; }
.breadcrumb a:hover{ color:var(--fiber-soft); }
.breadcrumb .sep{ opacity:.5; }
.breadcrumb .cur{ color:var(--fiber-soft); }

.pdetail-hero{ position:relative; overflow:hidden; background:var(--ink); padding-top:clamp(120px,16vh,170px); }
.pdetail-grid{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(32px,5vw,72px); align-items:center; }
.pdetail-copy{ display:flex; flex-direction:column; gap:18px; align-items:flex-start; }
.pdetail-copy h1{ color:#fff; font-size:clamp(40px,6vw,80px); line-height:.96; }
.pdetail-copy .lead{ color:#dfe6e8; margin:0; }
.pdetail-keyspecs{ display:flex; gap:28px; flex-wrap:wrap; padding-top:8px; }
.pdetail-keyspecs .ks{ display:flex; flex-direction:column; gap:4px; }
.pdetail-keyspecs .ks-k{ font-family:var(--ff-mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--on-dark-mut); }
.pdetail-keyspecs .ks-v{ font-family:var(--ff-display); font-weight:800; font-size:22px; color:#fff; }
.pdetail-keyspecs .ks-v .u{ color:var(--fiber); }
.pdetail-cta{ display:flex; gap:14px; flex-wrap:wrap; margin-top:6px; }
.pdetail-media{ position:relative; border-radius:var(--radius-lg); overflow:hidden; aspect-ratio:4/5; box-shadow:var(--shadow); }
.pdetail-media img{ width:100%; height:118%; object-fit:cover; filter:saturate(.92) contrast(1.05); }
.pdetail-media .pcard-tag{ top:18px; left:18px; }

/* teknik veri tablosu */
.spec-sheet{ border:1px solid var(--line); border-radius:var(--radius-lg); overflow:hidden; }
.spec-sheet .sr{ display:grid; grid-template-columns:240px 1fr; gap:0; border-top:1px solid var(--line); }
.spec-sheet .sr:first-child{ border-top:0; }
.spec-sheet .sk{ padding:18px 24px; font-family:var(--ff-mono); font-size:12px; letter-spacing:.1em; text-transform:uppercase; color:var(--on-dark-mut); background:rgba(255,255,255,.02); }
.spec-sheet .sv{ padding:18px 24px; font-size:16px; color:var(--on-dark); }
.spec-sheet .sv b{ font-family:var(--ff-display); }

/* özellik barları (koyu) */
.prop-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:clamp(16px,2.4vw,32px) clamp(32px,5vw,64px); }
.prop-row{ display:flex; flex-direction:column; gap:8px; }
.prop-row .pr-head{ display:flex; justify-content:space-between; align-items:baseline; }
.prop-row .pr-k{ font-size:15.5px; color:var(--on-dark); }
.prop-row .pr-v{ font-family:var(--ff-mono); font-size:12px; color:var(--fiber-soft); letter-spacing:.06em; }
.prop-row .pr-track{ height:8px; border-radius:999px; background:rgba(255,255,255,.08); overflow:hidden; }
.prop-row .pr-track i{ display:block; height:100%; border-radius:999px; background:linear-gradient(90deg, var(--fiber-deep), var(--fiber)); transform-origin:left; animation:matFill 1.1s var(--ease-out) both; }
@media (prefers-reduced-motion: reduce){ .prop-row .pr-track i{ animation:none; } }

/* kesit / yapı açıklaması */
.xsection{ display:grid; grid-template-columns:auto 1fr; gap:22px; padding:26px 0; border-top:1px solid var(--sand-line); align-items:start; }
.xsection:first-child{ border-top:0; }
.xsection .xs-ico{ width:48px; height:48px; border-radius:50%; border:1px solid var(--sand-line); display:grid; place-items:center; color:var(--fiber-deep); flex:none; }
.xsection .xs-ico svg{ width:24px; height:24px; }
.xsection h3{ font-size:21px; color:var(--on-light); margin-bottom:6px; }
.xsection p{ margin:0; color:var(--on-light-mut); max-width:60ch; }

/* =========================================================================
   RESPONSIVE
   ========================================================================= */
@media (max-width: 1000px){
  .cols-4{ grid-template-columns:repeat(2,1fr); }
  .cta-inner{ grid-template-columns:1fr; gap:28px; }
  .form-shell{ grid-template-columns:1fr; }
  .form-aside{ order:-1; }
  .form-aside .rope-vert{ display:none; }
  .footer-top{ grid-template-columns:1fr 1fr; gap:32px; }
  .mat-grid{ grid-template-columns:repeat(2,1fr); }
  .prod-row{ grid-template-columns:1fr; gap:24px; }
  .prod-row.reverse .prod-row-media{ order:0; }
  .prod-row-media{ aspect-ratio:16/10; }
  .pdetail-grid{ grid-template-columns:1fr; }
  .pdetail-media{ order:-1; aspect-ratio:16/11; }
  .prop-grid{ grid-template-columns:1fr; }
}
@media (max-width: 1024px) and (min-width: 821px){
  .nav-link{ padding:9px 11px; font-size:14px; }
  .nav-links{ gap:2px; }
  .nav-right{ gap:10px; }
  .nav-right .btn-primary{ padding:13px 20px; font-size:15px; }
}
@media (max-width: 820px){
  body{ font-size:17px; }
  .nav-links{ display:none; }
  .burger{ display:flex; }
  .cols-2, .cols-3{ grid-template-columns:1fr; }
  .field-grid{ grid-template-columns:1fr; }
  .footer-top{ grid-template-columns:1fr 1fr; }
  .hero-stats{ gap:28px 36px; }
  .lang-toggle{ font-size:11px; }
  .lang-toggle button{ padding:6px 9px; }
  .spec-sheet .sr{ grid-template-columns:1fr; }
  .spec-sheet .sk{ padding-bottom:4px; }
  .spec-sheet .sv{ padding-top:6px; }
}
@media (max-width: 620px){
  /* header sadeleşir: logo + dil + kompakt teklif butonu + menü */
  .nav-right .btn-primary{ text-transform:none; font-size:13px; padding:9px 15px; letter-spacing:0; gap:7px; }
  .nav-right .btn-primary .arr{ display:none; }
  .logo-sub{ display:none; }
  .logo-mark{ width:34px; height:34px; }
  .logo-word{ font-size:20px; }
  .section{ padding-block:clamp(56px,12vw,90px); }
  .hero-inner{ padding-top:108px; padding-bottom:48px; }
  .page-hero-inner{ padding-top:clamp(104px,24vh,150px); }
  .hero-cta .btn, .cta-inner .btn{ width:100%; justify-content:center; }
  .hero-cta{ width:100%; }
  .prod-row-body .btn{ width:100%; justify-content:center; }
  .scroll-hint{ display:none; }
  .form-main{ padding:24px 20px; }
  .form-aside{ padding:26px 20px; }
}
@media (max-width: 400px){
  .nav-right .btn-primary{ font-size:12px; padding:8px 12px; }
  .lang-toggle button{ padding:6px 8px; }
}
@media (max-width: 520px){
  .footer-top{ grid-template-columns:1fr; }
  .cols-4{ grid-template-columns:1fr; }
  .mat-grid{ grid-template-columns:1fr; }
  .dia-line{ grid-template-columns:30px 78px 1fr; gap:10px; }
  .dia-line .dl-lbl, .dia-line .dl-use{ font-size:13px; }
  .molhalat-card{ flex-direction:column; align-items:flex-start; }
  .molhalat-card .btn{ width:100%; justify-content:center; }
  .footer-bottom{ flex-direction:column; align-items:flex-start; gap:10px; }
  .prod-spec{ gap:16px 24px; }
  .hero-stats{ gap:22px 28px; }
  .stat .num{ font-size:clamp(30px,9vw,42px); }
}
@media (max-width: 380px){
  :root{ --gutter:18px; }
  .display{ font-size:clamp(38px,12vw,54px); }
  .hero-stats{ grid-template-columns:1fr 1fr; display:grid; }
}