/* =========================================================
   REDNA HUB - Temiz / modern / profesyonel
   Siyah . Kirmizi . Beyaz
   Bricolage Grotesque (baslik) . Hanken Grotesk (govde)
   ========================================================= */

:root{
  --paper:   #F6F5F2;   /* temiz kirik beyaz */
  --paper-2: #ECEAE4;   /* panel */
  --ink:     #17171B;   /* siyah */
  --ink-2:   #6A6A72;   /* ikincil metin */
  --red:     #DE1F26;   /* modern kirmizi */
  --red-2:   #B3161C;   /* koyu kirmizi hover */
  --line:    rgba(23,23,27,.14);
  --line-2:  rgba(23,23,27,.07);

  --f-display: "Bricolage Grotesque", system-ui, sans-serif;
  --f-body:    "Hanken Grotesk", system-ui, -apple-system, sans-serif;

  --wrap: 1200px;
  --pad: clamp(20px, 5vw, 64px);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{ margin:0; font-family:var(--f-body); color:var(--ink); background:var(--paper);
  line-height:1.6; overflow-x:hidden; font-size:clamp(15px,1.05vw,16.5px); }
img,svg{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
.wrap{ width:100%; max-width:var(--wrap); margin-inline:auto; padding-inline:var(--pad); }

.label{ font-family:var(--f-body); font-weight:600; text-transform:uppercase; letter-spacing:.14em; font-size:.72rem; }

.skip{ position:absolute; left:-999px; top:0; z-index:100; background:var(--red); color:#fff;
  padding:10px 16px; font-weight:600; font-size:.8rem; }
.skip:focus{ left:8px; top:8px; }
:focus-visible{ outline:2px solid var(--red); outline-offset:3px; }
.reg{ display:none; }

/* =================== HEADER =================== */
.site-head{ position:sticky; top:0; z-index:20; background:rgba(246,245,242,.9);
  backdrop-filter:blur(8px); border-bottom:1px solid var(--line); }
.head-row{ display:flex; align-items:center; gap:20px; height:70px; }
.brand{ display:inline-flex; align-items:center; gap:10px; color:var(--ink); }
.brand-mark{ display:inline-flex; }
.brand-name{ font-family:var(--f-display); font-weight:800; font-size:1.35rem; letter-spacing:-.02em; line-height:1; }
.brand-sub{ font-family:var(--f-body); font-weight:700; font-size:.5em; letter-spacing:.2em; color:var(--red); margin-left:5px; vertical-align:super; }

.nav{ display:flex; gap:30px; margin-left:auto; }
.nav a{ font-weight:500; font-size:.95rem; color:var(--ink); position:relative; padding:4px 0; }
.nav a::after{ content:""; position:absolute; left:0; bottom:0; width:0; height:2px; background:var(--red); transition:width .2s; }
.nav a:hover::after{ width:100%; }
.lang{ display:flex; gap:2px; padding-left:20px; margin-left:2px; border-left:1px solid var(--line); }
.lang a{ font-weight:600; font-size:.75rem; letter-spacing:.04em; color:var(--ink-2); padding:4px 6px; }
.lang a:hover{ color:var(--ink); }
.lang a.is-active{ color:var(--red); }
@media (max-width:860px){ .nav{ display:none; } .lang{ margin-left:auto; border-left:0; padding-left:0; } }

/* =================== HERO =================== */
.hero{ padding:clamp(48px,7vw,96px) 0 clamp(32px,4vw,52px); }
.hero-grid{ display:grid; grid-template-columns:1.05fr .95fr; gap:clamp(28px,5vw,64px); align-items:center; }
.kicker{ font-weight:600; text-transform:uppercase; letter-spacing:.14em; font-size:.78rem; color:var(--red); margin:0 0 20px; }
.hero-title{ font-family:var(--f-display); font-weight:800; font-size:clamp(2.6rem,6.6vw,5rem);
  line-height:1; letter-spacing:-.035em; margin:0 0 24px; }
.hero-title .line{ display:block; }
.hero-title .accent-underline{ color:var(--red); }
.accent-underline::after{ display:none; }
.hero-lead{ font-size:clamp(1.08rem,1.6vw,1.3rem); color:var(--ink-2); max-width:46ch; margin:0 0 30px; line-height:1.55; }
.hero-cta{ display:flex; flex-wrap:wrap; gap:12px; }

.hero-visual{ aspect-ratio:4/5; background:var(--ink); background-size:cover; background-position:center;
  position:relative; overflow:hidden; }
.hero-visual::after{ content:attr(data-empty); position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  color:rgba(246,245,242,.35); font-family:var(--f-display); font-weight:700; font-size:1rem; letter-spacing:.1em; text-transform:uppercase; }
.hero-visual.has-img::after{ display:none; }
.hero-visual .hv-badge{ position:absolute; left:18px; bottom:18px; z-index:2; background:var(--red); color:#fff;
  font-weight:600; font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; padding:7px 12px; }
@media (max-width:860px){
  .hero-grid{ grid-template-columns:1fr; gap:26px; }
  .hero-visual{ aspect-ratio:16/10; order:-1; }
}

/* Butonlar */
.btn{ display:inline-flex; align-items:center; gap:8px; font-family:var(--f-body); font-weight:600; font-size:.95rem;
  padding:13px 26px; border:2px solid var(--ink); border-radius:100px; transition:background .16s,color .16s,border-color .16s,transform .12s; }
.btn-solid{ background:var(--red); border-color:var(--red); color:#fff; }
.btn-solid:hover{ background:var(--red-2); border-color:var(--red-2); transform:translateY(-2px); }
.btn-line{ background:transparent; color:var(--ink); }
.btn-line:hover{ background:var(--ink); color:var(--paper); }

/* =================== FACTS SERIDI =================== */
.facts{ border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.facts-row{ display:flex; flex-wrap:wrap; gap:0; }
.fact{ flex:1 1 auto; min-width:130px; padding:20px 24px 20px 0; margin-right:24px; }
.fact:not(:last-child){ border-right:1px solid var(--line); padding-right:24px; }
.fact .f-num{ font-family:var(--f-display); font-weight:800; font-size:1.7rem; line-height:1; letter-spacing:-.02em; }
.fact .f-lbl{ display:block; margin-top:6px; color:var(--ink-2); font-size:.78rem; text-transform:uppercase; letter-spacing:.1em; font-weight:600; }
@media (max-width:620px){ .fact{ min-width:44%; } }

/* =================== BOLUM ETIKETI (dash yok) =================== */
.eyebrow{ display:inline-flex; align-items:baseline; gap:10px; font-weight:600; text-transform:uppercase;
  letter-spacing:.12em; font-size:.8rem; color:var(--ink); margin-bottom:16px; }
.eyebrow .num{ color:var(--red); font-family:var(--f-display); font-weight:800; letter-spacing:0; }

/* =================== MANIFESTO =================== */
.manifesto{ padding:clamp(56px,7vw,100px) 0; }
.man-grid{ display:grid; grid-template-columns:minmax(0,.9fr) minmax(0,1.3fr); gap:clamp(28px,5vw,72px); align-items:start; }
.man-head h2{ font-family:var(--f-display); font-weight:800; font-size:clamp(1.9rem,3.6vw,2.9rem); line-height:1.03; margin:0; letter-spacing:-.025em; }
.man-lead{ font-family:var(--f-display); font-weight:500; font-size:clamp(1.35rem,2.2vw,1.9rem); line-height:1.28; color:var(--ink); margin:0 0 30px; max-width:26ch; letter-spacing:-.015em; }
.man-points{ list-style:none; margin:0; padding:0; }
.man-points li{ display:flex; gap:16px; align-items:baseline; padding:18px 0; border-top:1px solid var(--line); font-size:1.05rem; }
.man-points li:last-child{ border-bottom:1px solid var(--line); }
.man-points .num{ color:var(--red); font-family:var(--f-display); font-weight:800; font-size:.95rem; min-width:2.2em; }
@media (max-width:760px){ .man-grid{ grid-template-columns:1fr; } }

/* =================== PROJELER =================== */
.projects{ padding:clamp(20px,3vw,36px) 0 clamp(56px,7vw,96px); }
.proj-head{ display:flex; justify-content:space-between; align-items:flex-end; gap:24px; margin-bottom:34px; }
.proj-head h2{ font-family:var(--f-display); font-weight:800; font-size:clamp(1.9rem,3.6vw,2.9rem); margin:0; letter-spacing:-.025em; }
.proj-sub{ color:var(--ink-2); margin:10px 0 0; max-width:44ch; }
.proj-nav{ display:flex; align-items:center; gap:14px; flex-shrink:0; }
.pcount{ font-weight:600; color:var(--ink-2); font-size:.9rem; }
.pcount #pc-now{ color:var(--red); }
.pnav{ width:48px; height:48px; border:2px solid var(--ink); background:transparent; color:var(--ink); cursor:pointer; border-radius:100px;
  display:inline-flex; align-items:center; justify-content:center; transition:background .15s,color .15s; }
.pnav:hover{ background:var(--ink); color:var(--paper); }
.pnav:disabled{ opacity:.28; cursor:default; }
.pnav:disabled:hover{ background:transparent; color:var(--ink); }

.slider{ overflow-x:auto; overflow-y:hidden; scroll-snap-type:x mandatory; -webkit-overflow-scrolling:touch; scrollbar-width:none; padding-bottom:4px; }
.slider::-webkit-scrollbar{ display:none; }
.track{ display:flex; gap:22px; padding-inline:var(--pad); width:max-content; }
.slide{ scroll-snap-align:center; flex:0 0 clamp(280px,84vw,420px); }
@media (min-width:900px){ .slide{ flex-basis:min(38vw,420px); } }

.slide-sheet{ height:100%; background:var(--paper); border:1px solid var(--line); border-radius:14px; overflow:hidden;
  display:flex; flex-direction:column; transition:transform .18s, box-shadow .18s, border-color .18s; }
.slide-sheet:hover{ transform:translateY(-5px); box-shadow:0 18px 40px rgba(23,23,27,.13); border-color:transparent; }

.slide-visual{ aspect-ratio:16/10; background:var(--ink); background-size:cover; background-position:center; position:relative; }
.slide:nth-child(even) .slide-visual{ background-color:var(--red); }
.slide-visual .sv-ghost{ position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  color:rgba(246,245,242,.4); font-family:var(--f-display); font-weight:800; font-size:1.6rem; letter-spacing:.02em; }
.slide-visual.has-img .sv-ghost{ display:none; }
.stamp{ position:absolute; top:12px; right:12px; z-index:2; background:var(--paper); color:var(--ink);
  font-weight:600; font-size:.62rem; letter-spacing:.08em; text-transform:uppercase; padding:5px 10px; border-radius:100px; }
.stamp-active{ color:var(--red); }

.slide-body{ display:flex; flex-direction:column; gap:8px; flex:1; padding:20px 22px 0; }
.slide-top{ display:none; }
.slide-name{ font-family:var(--f-display); font-weight:800; font-size:clamp(1.4rem,2.6vw,1.75rem); margin:0; letter-spacing:-.02em; }
.slide-tagline{ color:var(--red); font-weight:600; font-size:.92rem; margin:0; }
.slide-desc{ color:var(--ink-2); font-size:.95rem; margin:6px 0 0; }
.stack{ list-style:none; display:flex; flex-wrap:wrap; gap:7px; padding:0; margin:auto 0 0; }
.stack li{ font-weight:600; font-size:.68rem; text-transform:uppercase; letter-spacing:.06em; color:var(--ink-2); background:var(--paper-2); padding:4px 10px; border-radius:100px; }
.slide-foot{ display:flex; align-items:center; justify-content:space-between; margin:16px 22px 20px; padding-top:16px; border-top:1px solid var(--line); }
.slide-open{ display:inline-flex; align-items:center; gap:7px; font-weight:600; font-size:.92rem; color:var(--ink); transition:gap .16s,color .16s; }
.slide-open:hover{ color:var(--red); gap:11px; }
.slide-index{ color:var(--ink-2); font-weight:600; font-size:.82rem; }
.coord,.sheet-no,.slide-schematic{ display:none; }

.dots{ display:flex; gap:8px; justify-content:center; margin-top:28px; }
.dot{ width:9px; height:9px; border:0; padding:0; background:var(--line); cursor:pointer; border-radius:100px; transition:background .16s, width .16s; }
.dot.is-active{ background:var(--red); width:26px; }
.dot:hover{ background:var(--ink-2); }

/* =================== NARVEIN BLOGU (koyu, sinematik) =================== */
.narvein{ background:var(--ink); color:var(--paper); overflow:hidden; }
.narvein-grid{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(28px,5vw,64px); align-items:center; }
.narvein-copy{ padding:clamp(56px,8vw,104px) 0; }
.narvein .eyebrow{ color:var(--paper); }
.narvein .eyebrow .num{ color:var(--red); }
.narvein h2{ font-family:var(--f-display); font-weight:800; font-size:clamp(2.4rem,5vw,4rem); margin:0 0 20px; letter-spacing:-.03em; line-height:1; }
.narvein-body{ color:rgba(246,245,242,.72); font-size:clamp(1.05rem,1.7vw,1.28rem); line-height:1.55; margin:0 0 30px; max-width:44ch; }
.narvein .btn-line{ border-color:rgba(246,245,242,.4); color:var(--paper); }
.narvein .btn-line:hover{ background:var(--paper); color:var(--ink); border-color:var(--paper); }
.narvein-visual{ align-self:stretch; min-height:340px; background:#0E0E11 center/cover; position:relative; }
.narvein-visual::after{ content:attr(data-empty); position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  color:rgba(246,245,242,.28); font-family:var(--f-display); font-weight:800; font-size:1.1rem; letter-spacing:.14em; text-transform:uppercase; }
.narvein-visual.has-img::after{ display:none; }
@media (max-width:860px){
  .narvein-grid{ grid-template-columns:1fr; gap:0; }
  .narvein-copy{ padding:clamp(48px,9vw,72px) 0 clamp(20px,5vw,32px); }
  .narvein-visual{ min-height:260px; margin-bottom:0; }
}

/* =================== STUDYO =================== */
.studio{ padding:clamp(60px,8vw,112px) 0; }
.studio-inner{ max-width:60ch; }
.studio h2{ font-family:var(--f-display); font-weight:800; font-size:clamp(2rem,4.2vw,3.2rem); margin:0 0 18px; letter-spacing:-.03em; }
.studio-body{ color:var(--ink-2); font-size:clamp(1.1rem,1.8vw,1.35rem); margin:0 0 30px; line-height:1.5; }

/* =================== FOOTER =================== */
.site-foot{ border-top:1px solid var(--line); padding:clamp(44px,6vw,72px) 0 44px; }
.foot-top{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:28px; margin-bottom:40px; }
.foot-brand .fb-name{ font-family:var(--f-display); font-weight:800; font-size:1.6rem; letter-spacing:-.02em; }
.foot-brand p{ color:var(--ink-2); margin:8px 0 0; max-width:34ch; }
.titleblock{ display:flex; flex-wrap:wrap; gap:36px; }
.tb-cell{ min-width:0; }
.tb-key{ display:block; font-weight:600; color:var(--ink-2); text-transform:uppercase; font-size:.68rem; letter-spacing:.1em; margin-bottom:6px; }
.tb-val{ display:block; font-weight:500; font-size:1rem; color:var(--ink); overflow-wrap:anywhere; }
a.tb-val:hover{ color:var(--red); }
.foot-note{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; padding-top:22px; border-top:1px solid var(--line); color:var(--ink-2); font-size:.85rem; }
.mono-note{ color:var(--ink-2); }
@media (max-width:620px){ .foot-top{ flex-direction:column; gap:24px; } }

/* =================== 404 =================== */
.notfound{ min-height:56vh; display:flex; align-items:center; }

/* =================== REVEAL =================== */
.reveal{ opacity:0; transform:translateY(16px); transition:opacity .55s ease, transform .55s ease; }
.reveal.in{ opacity:1; transform:none; }
@media (prefers-reduced-motion:reduce){
  *{ animation:none !important; transition:none !important; scroll-behavior:auto !important; }
  .reveal{ opacity:1; transform:none; }
}