/* ============================================================
   DevYap — shared.css  (TEK CSS: tüm stiller + renk değişkenleri)
   Tasarım dili: "Büyüme Sistemi Kontrol Yüzeyi"
   Renkleri değiştirmek için yalnızca :root altındaki değişkenleri düzenleyin.
   ============================================================ */

/* ---------- 1. TOKENS ---------- */
:root{
  /* Yüzeyler */
  --ink:        #0A0D12;   /* ana zemin (koyu) */
  --ink-2:      #10141C;   /* yükseltilmiş kart */
  --ink-3:      #161C27;   /* hover / iç kart */
  --ink-blue:   #0C1A2E;   /* bölüm ayrımı — koyu mavi ton */
  --ink-blue-2: #0E2033;   /* koyu mavi kart */
  --bone:       #ECEAE4;   /* açık zemin + koyu üstü metin */
  --bone-2:     #E2DFD7;

  /* Metin */
  --fg:         #ECEAE4;
  --fg-dim:     #A6ACB6;
  --fg-mute:    #6E7681;
  --on-bone:    #14181F;
  --on-bone-dim:#4A515C;

  /* Marka aksanı — DEVYAP MAVİ + ALTIN */
  --emerald:    #01A3EB;   /* BİRİNCİL aksan (DevYap mavi) */
  --emerald-d:  #0186C4;   /* koyu mavi (hover/gradyan) */
  --mint:       #38C6FF;   /* "canlı" sinyal — parlak mavi, az kullan */
  --blue:       #01A3EB;   /* okunur takma ad */
  --blue-d:     #0186C4;

  /* İKİNCİL aksan — logodaki altın tonları */
  --gold:       #C99A3F;   /* altın (koyu) */
  --gold-2:     #E3BE72;   /* altın (açık/vurgu) */

  /* Çizgiler */
  --line:       rgba(236,234,228,.11);
  --line-2:     rgba(236,234,228,.06);
  --line-bone:  rgba(20,24,31,.12);

  /* Tipografi */
  --f-disp: "Space Grotesk", "Inter", system-ui, sans-serif;
  --f-body: "Inter", system-ui, -apple-system, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SF Mono", monospace;

  /* Ölçü */
  --wrap: 1200px;
  --pad: clamp(20px, 5vw, 64px);
  --sec: clamp(72px, 11vw, 140px);
  --r: 4px;

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

/* ---------- 2. RESET ---------- */
*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
@media (prefers-reduced-motion:reduce){ html{ scroll-behavior:auto; } }
body{
  font-family:var(--f-body);
  background:var(--ink);
  color:var(--fg);
  line-height:1.6;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; cursor:pointer; background:none; border:none; }
ul{ list-style:none; }
:focus-visible{ outline:2px solid var(--mint); outline-offset:3px; border-radius:2px; }
::selection{ background:var(--emerald); color:#fff; }

/* ---------- 3. LAYOUT YARDIMCILARI ---------- */
.wrap{ width:100%; max-width:var(--wrap); margin-inline:auto; padding-inline:var(--pad); }
.section{ padding-block:var(--sec); position:relative; }
.section--bone{ background:var(--bone); color:var(--on-bone); }
.section--alt{ background:var(--ink-blue); }
.section--alt .card{ background:var(--ink-blue-2); border-color:rgba(120,180,235,.14); }
.section--alt .card:hover{ background:#122842; border-color:rgba(1,163,235,.55); }
.section--tight{ padding-block:clamp(48px,7vw,84px); }
.center{ text-align:center; }

/* İnce zemin ızgarası (kontrol yüzeyi imzası) */
.grid-bg{ position:relative; }
.grid-bg::before{
  content:""; position:absolute; inset:0; pointer-events:none; z-index:0;
  background-image:linear-gradient(var(--line-2) 1px,transparent 1px),
                   linear-gradient(90deg,var(--line-2) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(120% 80% at 50% 0,#000 30%,transparent 78%);
}
.grid-bg > *{ position:relative; z-index:1; }

/* ---------- 4. TİPOGRAFİ ---------- */
.eyebrow{
  font-family:var(--f-mono);
  font-size:12px; letter-spacing:.22em; text-transform:uppercase;
  color:var(--fg-dim); display:inline-flex; align-items:center; gap:.6em;
  margin-bottom:22px;
}
.section--bone .eyebrow{ color:var(--on-bone-dim); }
.eyebrow .dot{
  width:7px; height:7px; border-radius:50%; background:var(--mint);
  box-shadow:0 0 0 0 rgba(70,227,160,.5);
  animation:pulse 2.6s var(--ease) infinite;
}
@media (prefers-reduced-motion:reduce){ .eyebrow .dot{ animation:none; } }
@keyframes pulse{ 0%{box-shadow:0 0 0 0 rgba(70,227,160,.45);} 70%{box-shadow:0 0 0 8px rgba(70,227,160,0);} 100%{box-shadow:0 0 0 0 rgba(70,227,160,0);} }

h1,h2,h3,h4{ font-family:var(--f-disp); font-weight:600; line-height:1.04; letter-spacing:-.02em; }
h1{ font-size:clamp(2.6rem,6.4vw,5.2rem); }
h2{ font-size:clamp(2rem,4.4vw,3.4rem); }
h3{ font-size:clamp(1.3rem,2.2vw,1.7rem); letter-spacing:-.01em; }
.lead{ font-size:clamp(1.05rem,1.7vw,1.28rem); color:var(--fg-dim); max-width:60ch; line-height:1.62; }
.section--bone .lead{ color:var(--on-bone-dim); }
.mark{ color:var(--emerald); }
.section-head{ max-width:74ch; margin-bottom:clamp(40px,6vw,68px); }
.section-head.center{ margin-inline:auto; }

/* ---------- 5. BUTONLAR ---------- */
.btn{
  display:inline-flex; align-items:center; gap:.7em;
  font-family:var(--f-mono); font-size:13px; letter-spacing:.06em;
  padding:15px 26px; border-radius:var(--r); border:1px solid transparent;
  transition:transform .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease);
  white-space:nowrap;
}
.btn:hover{ transform:translateY(-2px); }
.btn--primary{ background:var(--emerald); color:#fff; }
.btn--primary:hover{ background:var(--emerald-d); }
.btn--ghost{ border-color:var(--line); color:var(--fg); }
.btn--ghost:hover{ border-color:var(--emerald); color:var(--emerald); }
.section--bone .btn--ghost{ border-color:var(--line-bone); color:var(--on-bone); }
.section--bone .btn--ghost:hover{ border-color:var(--emerald); color:var(--emerald); }
.btn .arw{ transition:transform .25s var(--ease); }
.btn:hover .arw{ transform:translateX(3px); }

/* ---------- 6. HEADER ---------- */
.site-header{
  position:fixed; inset:0 0 auto 0; z-index:200;
  transition:background .3s var(--ease), border-color .3s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(10,13,18,.82); backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav{ display:flex; align-items:center; justify-content:space-between; height:96px; transition:height .3s var(--ease); }
.site-header.is-scrolled .nav{ height:74px; }
.brand{ display:flex; align-items:center; gap:11px; }
.brand svg,.brand .brand-mark{ width:72px; height:72px; flex:none; display:block; transition:width .3s var(--ease), height .3s var(--ease); }
.site-header.is-scrolled .brand .brand-mark{ width:56px; height:56px; }
.foot-brand .brand-mark{ width:72px; height:72px; }
.nav-links{ display:flex; align-items:center; gap:6px; }
.nav-links > li{ position:relative; }
.nav-links a{
  display:block; padding:10px 14px; font-size:14.5px; color:var(--fg-dim);
  border-radius:var(--r); transition:color .2s var(--ease), background .2s var(--ease);
}
.nav-links a:hover,.nav-links a[aria-current="page"]{ color:var(--fg); }
.nav-links a[aria-current="page"]{ color:var(--emerald); }
.has-sub > a::after{ content:"›"; margin-left:6px; color:var(--fg-mute); }
.submenu{
  position:absolute; top:calc(100% + 8px); left:0; min-width:230px;
  background:var(--ink-2); border:1px solid var(--line); border-radius:8px;
  padding:8px; opacity:0; visibility:hidden; transform:translateY(6px);
  transition:.22s var(--ease); box-shadow:0 20px 50px -20px rgba(0,0,0,.7);
}
.has-sub:hover .submenu,.has-sub:focus-within .submenu{ opacity:1; visibility:visible; transform:none; }
.submenu a{ padding:10px 12px; font-size:14px; }
.submenu a:hover{ background:var(--ink-3); }
.nav-cta{ display:flex; align-items:center; gap:14px; }
.nav-cta .btn{ padding:11px 18px; }
.ext::after{ content:"↗"; margin-left:5px; font-size:.85em; color:var(--emerald); }

/* Mobil menü butonu */
.burger{ display:none; width:44px; height:44px; align-items:center; justify-content:center; flex:none; }
.burger span{ display:block; width:22px; height:2px; background:var(--fg); position:relative; transition:.25s var(--ease); }
.burger span::before,.burger span::after{ content:""; position:absolute; left:0; width:22px; height:2px; background:var(--fg); transition:.25s var(--ease); }
.burger span::before{ top:-7px; } .burger span::after{ top:7px; }
body.menu-open .burger span{ background:transparent; }
body.menu-open .burger span::before{ top:0; transform:rotate(45deg); }
body.menu-open .burger span::after{ top:0; transform:rotate(-45deg); }

/* Mobil paneli */
.mobile-panel{
  position:fixed; inset:74px 0 0 0; z-index:190; background:var(--ink);
  transform:translateX(100%); transition:transform .35s var(--ease);
  padding:24px var(--pad) 48px; overflow-y:auto; border-top:1px solid var(--line);
}
body.menu-open .mobile-panel{ transform:none; }
.mobile-panel a{ display:block; padding:16px 0; font-family:var(--f-disp); font-size:1.5rem; border-bottom:1px solid var(--line); color:var(--fg); }
.mobile-panel .sub a{ font-size:1.05rem; padding:12px 0 12px 18px; color:var(--fg-dim); border-color:var(--line-2); }
.mobile-panel .btn{ margin-top:26px; width:100%; justify-content:center; }

/* ---------- 7. HERO ---------- */
.hero{
  position:relative; padding-top:180px; padding-bottom:var(--sec); overflow:hidden;
  min-height:92vh; display:flex; align-items:center; background:#000;
}
/* uzay fotoğrafı — ORİJİNAL, katman yok (masaüstü/landscape) */
.hero::before{
  content:""; position:absolute; inset:0; z-index:0;
  background:url("../images/hero/hero-space.webp") center center / cover no-repeat;
}
.hero .wrap{ position:relative; z-index:2; }
.hero h1{ max-width:14ch; color:#fff; }
.hero-sub{ margin-top:26px; max-width:52ch; color:var(--fg); }
.hero-links{ margin-top:36px; display:flex; gap:38px; flex-wrap:wrap; }
.hero-links a{
  font-family:var(--f-mono); font-weight:500; letter-spacing:.14em; text-transform:uppercase;
  font-size:14px; color:var(--emerald); display:inline-flex; align-items:center; gap:8px;
  transition:color .25s var(--ease), gap .25s var(--ease);
}
.hero-links a .arw{ transition:transform .25s var(--ease); }
.hero-links a:hover{ color:var(--mint); gap:12px; }
.hero-index{ font-family:var(--f-mono); font-size:12px; color:var(--fg-mute); letter-spacing:.2em; margin-bottom:26px; display:flex; gap:18px; flex-wrap:wrap; }
.hero-index span{ color:var(--fg-dim); }
.hero h1{ max-width:16ch; }
.hero-sub{ margin-top:28px; max-width:56ch; }
.hero-actions{ margin-top:40px; display:flex; gap:14px; flex-wrap:wrap; }

/* iç sayfa hero */
.page-hero{ position:relative; padding:150px 0 clamp(56px,8vw,96px); border-bottom:1px solid var(--line); overflow:hidden; }
.page-hero::after{ content:""; position:absolute; inset:0; z-index:0;
  background:radial-gradient(90% 120% at 88% -10%, rgba(1,163,235,.18), transparent 60%); }
.page-hero .wrap{ position:relative; z-index:1; }
.page-hero h1{ max-width:20ch; }
.page-hero .lead{ margin-top:24px; }

/* ---------- 8. KART IZGARALARI ---------- */
.grid{ display:grid; gap:20px; }
.grid.cols-2{ grid-template-columns:repeat(2,1fr); }
.grid.cols-3{ grid-template-columns:repeat(3,1fr); }
.grid.cols-4{ grid-template-columns:repeat(4,1fr); }

.card{
  background:var(--ink-2); border:1px solid var(--line); border-radius:8px;
  padding:30px; transition:border-color .3s var(--ease), transform .3s var(--ease), background .3s var(--ease);
  position:relative; overflow:hidden;
}
.card:hover{ border-color:rgba(1,163,235,.55); transform:translateY(-4px); background:var(--ink-3); }
.card .idx{ font-family:var(--f-mono); font-size:12px; letter-spacing:.14em; color:var(--emerald); }
.card h3{ margin:16px 0 10px; }
.card p{ color:var(--fg-dim); font-size:15px; line-height:1.6; }
.section--bone .card{ background:#fff; border-color:var(--line-bone); }
.section--bone .card:hover{ background:#fff; }
.section--bone .card p{ color:var(--on-bone-dim); }

/* görselli kart (disiplin kartları) — görsel üstte, metin altta */
.card--img{ padding:0; overflow:hidden; }
.card-media{ aspect-ratio:16/11; overflow:hidden; border-bottom:1px solid var(--line); }
.card-media img{ width:100%; height:100%; object-fit:cover; display:block; transition:transform .5s var(--ease); }
.card--img:hover .card-media img{ transform:scale(1.05); }
.card--img .idx{ display:inline-block; margin:22px 26px 0; }
.card--img h3{ margin:12px 26px 10px; }
.card--img p{ margin:0 26px 26px; }
.section--alt .card-media{ border-bottom-color:rgba(120,180,235,.14); }

/* marka logosu çerçevesi (şeffaf logoyu koyu zeminde ortalar, taşırmaz) */
.media.logo-frame{ display:grid; place-items:center; padding:10%;
  background:radial-gradient(120% 100% at 50% 30%, rgba(1,163,235,.12), transparent 62%), var(--ink-2); }
.logo-fit{ max-width:82%; max-height:82%; width:auto; height:auto; object-fit:contain; }

/* CTA iki sütun */
.cta-split{ align-items:start; }

/* Numaralı büyük "motor" kartı */
.engine{ padding:38px 34px; }
.engine .big-idx{ font-family:var(--f-mono); font-size:14px; color:var(--gold-2); letter-spacing:.2em; }
.engine h3{ font-size:clamp(1.35rem,2.2vw,1.85rem); margin-top:20px; }
.engine .kicker{ font-family:var(--f-disp); color:var(--fg); font-weight:500; margin-top:6px; font-size:1.02rem; }
.engine p{ margin-top:14px; }

/* ---------- 9. İKİLİ (metin + medya) ---------- */
.split{ display:grid; grid-template-columns:1.05fr .95fr; gap:clamp(32px,5vw,72px); align-items:center; }
.split.rev .media{ order:-1; }
.media{ border:1px solid var(--line); border-radius:10px; overflow:hidden; background:var(--ink-2); aspect-ratio:4/3; }
.media.tall{ aspect-ratio:3/4; }
.media-fill{ width:100%; height:100%; object-fit:cover; }
/* görsel yoksa markalı yer tutucu */
.ph{ width:100%; height:100%; display:grid; place-items:center; position:relative;
  background:
    radial-gradient(120% 90% at 20% 0, rgba(1,163,235,.18), transparent 60%),
    repeating-linear-gradient(135deg, rgba(236,234,228,.03) 0 2px, transparent 2px 22px),
    var(--ink-3);
}
.ph .ph-label{ font-family:var(--f-mono); font-size:12px; letter-spacing:.2em; color:var(--fg-mute); text-transform:uppercase; }
.ph svg{ width:64px; height:64px; opacity:.5; }

/* ---------- 10. FEATURE LİSTESİ (hizmet alt kalemleri) ---------- */
.feat-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); border-radius:10px; overflow:hidden; }
.feat{ background:var(--ink); padding:26px; transition:background .25s var(--ease); }
.feat:hover{ background:var(--ink-2); }
.feat h4{ font-family:var(--f-disp); font-size:1.05rem; font-weight:600; color:var(--fg); }
.feat p{ color:var(--fg-dim); font-size:14px; margin-top:8px; line-height:1.55; }
.feat .n{ font-family:var(--f-mono); font-size:11px; color:var(--emerald); letter-spacing:.12em; }

/* ---------- 11. TIMELINE / SÜREÇ ---------- */
.steps{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.step{ border-top:2px solid var(--line); padding-top:22px; transition:border-color .3s var(--ease); }
.step:hover{ border-top-color:var(--emerald); }
.step .n{ font-family:var(--f-mono); font-size:13px; color:var(--gold); letter-spacing:.2em; }
.step h4{ font-family:var(--f-disp); font-size:1.15rem; margin:14px 0 10px; }
.step p{ color:var(--fg-dim); font-size:14.5px; }

/* ---------- 12. STAT BANT ---------- */
.stats{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line-bone); border-block:1px solid var(--line-bone); }
.stat{ background:var(--bone); padding:38px 24px; }
.stat .num{ font-family:var(--f-disp); font-size:clamp(2.4rem,5vw,3.6rem); font-weight:600; color:var(--gold); letter-spacing:-.03em; }
.stat .lab{ font-family:var(--f-mono); font-size:12px; letter-spacing:.14em; color:var(--on-bone-dim); text-transform:uppercase; margin-top:8px; }

/* ---------- 13. SSS AKORDEON ---------- */
.acc{ border-top:1px solid var(--line); }
.acc-item{ border-bottom:1px solid var(--line); }
.acc-q{ width:100%; display:flex; align-items:center; justify-content:space-between; gap:20px; text-align:left;
  padding:26px 4px; font-family:var(--f-disp); font-size:clamp(1.05rem,1.8vw,1.3rem); font-weight:500; color:var(--fg); }
.acc-q .ico{ flex:none; width:26px; height:26px; position:relative; }
.acc-q .ico::before,.acc-q .ico::after{ content:""; position:absolute; background:var(--emerald); transition:.3s var(--ease); }
.acc-q .ico::before{ top:12px; left:2px; right:2px; height:2px; }
.acc-q .ico::after{ left:12px; top:2px; bottom:2px; width:2px; }
.acc-item.open .ico::after{ transform:scaleY(0); }
.acc-a{ overflow:hidden; max-height:0; transition:max-height .4s var(--ease); }
.acc-a p{ padding:0 4px 28px; color:var(--fg-dim); max-width:75ch; }

/* ---------- 14. İLETİŞİM KARTLARI ---------- */
.contact-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.contact-grid--2{ grid-template-columns:repeat(2,1fr); }
.contact-card .tel{ word-break:break-word; }
.contact-card{ background:var(--ink-2); border:1px solid var(--line); border-radius:8px; padding:28px; transition:border-color .3s var(--ease); }
.contact-card:hover{ border-color:rgba(1,163,235,.5); }
.contact-card .city{ font-family:var(--f-mono); font-size:12px; letter-spacing:.2em; color:var(--emerald); text-transform:uppercase; }
.contact-card .tel{ font-family:var(--f-disp); font-size:1.4rem; margin:14px 0 8px; display:block; }
.contact-card .addr{ color:var(--fg-dim); font-size:14px; }
.chan{ display:flex; gap:16px; flex-wrap:wrap; margin-top:22px; }
.chan a{ display:inline-flex; align-items:center; gap:9px; font-family:var(--f-mono); font-size:13px; color:var(--fg-dim); border:1px solid var(--line); border-radius:var(--r); padding:11px 16px; transition:.25s var(--ease); }
.chan a:hover{ border-color:var(--emerald); color:var(--fg); }

/* ---------- 15. FORM ---------- */
.form-card{ background:var(--ink-2); border:1px solid var(--line); border-radius:12px; padding:clamp(24px,4vw,44px); }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.field{ margin-bottom:16px; }
.field label{ display:block; font-family:var(--f-mono); font-size:12px; letter-spacing:.1em; color:var(--fg-dim); margin-bottom:8px; text-transform:uppercase; }
.field input,.field select,.field textarea{
  width:100%; background:var(--ink); border:1px solid var(--line); border-radius:var(--r);
  padding:14px 15px; color:var(--fg); font-family:var(--f-body); font-size:15px; transition:border-color .2s var(--ease);
}
.field textarea{ min-height:120px; resize:vertical; }
.field input:focus,.field select:focus,.field textarea:focus{ outline:none; border-color:var(--emerald); }
.field input::placeholder,.field textarea::placeholder{ color:var(--fg-mute); }
.form-note{ font-family:var(--f-mono); font-size:11.5px; color:var(--fg-mute); margin-top:6px; }
/* CV dosya girişi */
.field .file-input{ padding:11px 12px; cursor:pointer; color:var(--fg-dim); font-family:var(--f-mono); font-size:13px; }
.field .file-input::file-selector-button{
  font-family:var(--f-mono); font-size:12px; letter-spacing:.04em; margin-right:12px; cursor:pointer;
  padding:8px 14px; border-radius:8px; border:1px solid var(--line);
  background:var(--ink-2); color:var(--fg); transition:border-color .2s var(--ease), background .2s var(--ease);
}
.field .file-input::file-selector-button:hover{ border-color:var(--emerald); background:var(--ink-3); }
.section--alt .field .file-input::file-selector-button{ background:var(--ink-blue-2); }
.file-hint{ display:block; font-family:var(--f-mono); font-size:11px; color:var(--fg-mute); margin-top:7px; }
.form-status{ margin-top:16px; font-size:14px; font-family:var(--f-mono); display:none; padding:14px 16px; border-radius:var(--r); }
.form-status.ok{ display:block; background:rgba(1,163,235,.12); border:1px solid rgba(1,163,235,.5); color:var(--mint); }
.form-status.err{ display:block; background:rgba(255,90,90,.1); border:1px solid rgba(255,90,90,.4); color:#ff9a9a; }

/* CTA bandı */
.cta-band{ background:linear-gradient(180deg,var(--ink-2),var(--ink)); border:1px solid var(--line); border-radius:14px; padding:clamp(36px,6vw,72px); text-align:center; }
.cta-band .lead{ margin:20px auto 0; }
.cta-band .hero-actions{ justify-content:center; }
.cta-micro{ font-family:var(--f-mono); font-size:12px; color:var(--fg-mute); margin-top:18px; letter-spacing:.05em; }

/* ---------- 16. FOOTER ---------- */
.site-footer{ border-top:1px solid var(--line); padding-block:clamp(48px,7vw,80px) 34px; }
.foot-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; }
.foot-brand .brand{ margin-bottom:18px; }
.foot-brand p{ color:var(--fg-dim); font-size:14px; max-width:34ch; }
.foot-col h5{ font-family:var(--f-mono); font-size:12px; letter-spacing:.16em; color:var(--fg-mute); text-transform:uppercase; margin-bottom:16px; }
.foot-col a{ display:block; padding:7px 0; color:var(--fg-dim); font-size:14.5px; transition:color .2s var(--ease); }
.foot-col a:hover{ color:var(--emerald); }
.foot-bottom{ display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap; align-items:center; margin-top:clamp(40px,6vw,64px); padding-top:28px; border-top:1px solid var(--line); }
.foot-bottom p{ font-family:var(--f-mono); font-size:12px; color:var(--fg-mute); letter-spacing:.04em; }

/* ---------- 17. SCROLL-REVEAL ---------- */
[data-reveal]{ opacity:0; transform:translateY(22px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
[data-reveal].in{ opacity:1; transform:none; }
@media (prefers-reduced-motion:reduce){ [data-reveal]{ opacity:1; transform:none; transition:none; } }

/* ---------- 18. RESPONSIVE ---------- */
@media (max-width:1000px){
  .grid.cols-4{ grid-template-columns:repeat(2,1fr); }
  .steps,.stats,.feat-grid{ grid-template-columns:repeat(2,1fr); }
  .foot-grid{ grid-template-columns:1fr 1fr; gap:32px; }
}
@media (max-width:820px){
  .nav-links,.nav-cta .btn{ display:none; }
  .burger{ display:flex; }
  .split{ grid-template-columns:1fr; }
  .split.rev .media{ order:0; }
  .grid.cols-3,.grid.cols-2,.contact-grid{ grid-template-columns:1fr; }
  .form-row{ grid-template-columns:1fr; }

  /* HERO — mobil: dikey uzay fotoğrafı ORİJİNAL, katman yok; metin altta (karanlık bölge) */
  .hero{
    min-height:94vh; padding-top:110px; align-items:flex-end; background:#000;
  }
  .hero::before{
    background:url("../images/hero/hero-space-mobile.webp") center 20% / cover no-repeat;
  }
  .hero-links{ gap:26px; margin-top:30px; }
}
@media (max-width:560px){
  .steps,.stats,.feat-grid,.grid.cols-4{ grid-template-columns:1fr; }
  .foot-grid{ grid-template-columns:1fr; }
  .feat-grid{ background:var(--line); }
}

/* ============================================================
   19. E-DERGİ OKUYUCU (flipbook)
   ============================================================ */
.reader-shell{ padding:110px 0 40px; min-height:100vh; display:flex; flex-direction:column; }
.reader-head{ display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap; margin-bottom:22px; }
.reader-title{ display:flex; align-items:center; gap:14px; }
.reader-title .eyebrow{ margin:0; }
.reader-title h1{ font-size:clamp(1.4rem,3vw,2rem); }

.reader{ position:relative; flex:1; display:grid; place-items:center;
  background:radial-gradient(120% 90% at 50% 0,rgba(1,163,235,.10),transparent 60%),var(--ink-2);
  border:1px solid var(--line); border-radius:14px; overflow:hidden; padding:clamp(16px,3vw,40px); }

/* sahne + spread — 3B kitap */
.stage{ width:100%; max-width:1040px; perspective:2000px;
  transform-origin:center center; transition:transform .2s var(--ease); will-change:transform; }
.reader.zoomed{ cursor:grab; }
.reader.zoomed:active{ cursor:grabbing; }
/* zoom kontrol grubu */
.rzoom{ display:inline-flex; align-items:center; gap:4px; }
.rzoom .rbtn{ min-width:34px; padding-inline:10px; text-align:center; }
#nzoomlvl{ min-width:52px; font-variant-numeric:tabular-nums; }
.rbtn:disabled{ opacity:.4; cursor:not-allowed; }
.spread{ position:relative; display:grid; grid-template-columns:1fr 1fr; gap:0; margin-inline:auto;
  transform-style:preserve-3d; }
.spread:not(.flipping){ filter:drop-shadow(0 40px 60px rgba(0,0,0,.55)); }
.spread.single{ grid-template-columns:minmax(0,520px); justify-content:center; }

.leaf{ position:relative; aspect-ratio:1/1.414; background:#fff; overflow:hidden; }
.leaf.left{ border-radius:6px 0 0 6px; box-shadow:inset -22px 0 40px -24px rgba(0,0,0,.4); }
.leaf.right{ border-radius:0 6px 6px 0; box-shadow:inset 22px 0 40px -24px rgba(0,0,0,.4); }
.spread.single .leaf{ border-radius:6px; }
.leaf img{ width:100%; height:100%; object-fit:cover; display:block; }

/* --- Çevrilen yaprak: gerçekçi 3B sayfa (omurgadan kıvrılır) --- */
.flip{ position:absolute; top:0; width:50%; height:100%; z-index:5;
  transform-style:preserve-3d; will-change:transform;
  filter:drop-shadow(0 18px 26px rgba(0,0,0,.45)); }
.flip.right{ left:50%; transform-origin:left center; }   /* ileri: sağ yaprak sola kıvrılır */
.flip.left { left:0;   transform-origin:right center; }   /* geri: sol yaprak sağa kıvrılır */
.flip .face{ position:absolute; inset:0; overflow:hidden; background:#fff;
  backface-visibility:hidden; -webkit-backface-visibility:hidden; }
.flip .face img{ width:100%; height:100%; object-fit:cover; display:block; }
.flip.right .front{ border-radius:0 6px 6px 0; }
.flip.right .back { border-radius:6px 0 0 6px; transform:rotateY(180deg); }
.flip.left  .front{ border-radius:6px 0 0 6px; }
.flip.left  .back { border-radius:0 6px 6px 0; transform:rotateY(180deg); }
/* kıvrım gölgesi + parlaması (yaprak kalktıkça belirir) */
.flip .shade{ position:absolute; inset:0; pointer-events:none; opacity:0; }
/* ileri: sağ yaprak — ön yüz omurgaya (sola) doğru kıvrılıp kararır + dış kenarda parlama */
.flip.right .front .shade{ background:
  linear-gradient(90deg, rgba(0,0,0,.55) 0%, rgba(0,0,0,.14) 34%, rgba(0,0,0,0) 62%),
  linear-gradient(255deg, rgba(255,255,255,.22), rgba(255,255,255,0) 30%); }
.flip.right .back .shade{ background:
  linear-gradient(270deg, rgba(0,0,0,.55) 0%, rgba(0,0,0,.14) 34%, rgba(0,0,0,0) 62%),
  linear-gradient(105deg, rgba(255,255,255,.16), rgba(255,255,255,0) 30%); }
/* geri: sol yaprak — ayna simetrik */
.flip.left .front .shade{ background:
  linear-gradient(270deg, rgba(0,0,0,.55) 0%, rgba(0,0,0,.14) 34%, rgba(0,0,0,0) 62%),
  linear-gradient(105deg, rgba(255,255,255,.22), rgba(255,255,255,0) 30%); }
.flip.left .back .shade{ background:
  linear-gradient(90deg, rgba(0,0,0,.55) 0%, rgba(0,0,0,.14) 34%, rgba(0,0,0,0) 62%),
  linear-gradient(255deg, rgba(255,255,255,.16), rgba(255,255,255,0) 30%); }
/* dönen yaprağa derinlik gölgesi */
.flip{ box-shadow:0 0 0 rgba(0,0,0,0); }
/* sabit sayfaya düşen dinamik gölge */
.turn-shadow{ position:absolute; top:0; bottom:0; width:46%; z-index:4; pointer-events:none; opacity:0; }
.turn-shadow.on-right{ left:50%; background:linear-gradient(90deg, rgba(0,0,0,.28), transparent 62%); }
.turn-shadow.on-left { left:4%;  background:linear-gradient(270deg, rgba(0,0,0,.28), transparent 62%); }

/* fallback turn (mobil / kapak / azaltılmış hareket) */
.stage.turn-next .spread{ animation:turnNext .4s var(--ease); }
.stage.turn-prev .spread{ animation:turnPrev .4s var(--ease); }
@keyframes turnNext{ from{ transform:translateX(14px); opacity:.35 } to{ transform:none; opacity:1 } }
@keyframes turnPrev{ from{ transform:translateX(-14px); opacity:.35 } to{ transform:none; opacity:1 } }
@media (prefers-reduced-motion:reduce){ .stage.turn-next .spread,.stage.turn-prev .spread{ animation:none } }

/* tıklama bölgeleri */
.reader-zone{ position:absolute; top:0; bottom:0; width:26%; z-index:5; cursor:pointer; }
.reader-zone.prev{ left:0; } .reader-zone.next{ right:0; }
.reader-zone:hover{ background:linear-gradient(90deg,rgba(255,255,255,.04),transparent); }
.reader-zone.next:hover{ background:linear-gradient(270deg,rgba(255,255,255,.04),transparent); }

/* ok butonları */
.rnav{ position:absolute; top:50%; transform:translateY(-50%); z-index:10;
  width:52px; height:52px; border-radius:50%; display:grid; place-items:center;
  background:rgba(10,13,18,.7); border:1px solid var(--line); backdrop-filter:blur(6px);
  color:var(--fg); font-size:20px; transition:.25s var(--ease); }
.rnav:hover{ background:var(--emerald); border-color:var(--emerald); color:#fff; }
.rnav:disabled{ opacity:.25; cursor:not-allowed; }
.rnav.prev{ left:14px; } .rnav.next{ right:14px; }

/* alt kontrol çubuğu */
.reader-bar{ display:flex; align-items:center; gap:14px; flex-wrap:wrap; justify-content:center;
  margin-top:22px; padding:14px 18px; background:var(--ink-2); border:1px solid var(--line);
  border-radius:10px; }
.reader-bar .counter{ font-family:var(--f-mono); font-size:13px; color:var(--fg-dim); letter-spacing:.08em; min-width:112px; text-align:center; }
.reader-bar .counter b{ color:var(--emerald); }
.reader-bar input[type=range]{ flex:1; min-width:160px; accent-color:var(--emerald); }
.rbtn{ display:inline-flex; align-items:center; gap:8px; font-family:var(--f-mono); font-size:12.5px;
  color:var(--fg-dim); border:1px solid var(--line); border-radius:var(--r); padding:10px 14px; transition:.25s var(--ease); }
.rbtn:hover{ border-color:var(--emerald); color:var(--fg); }
.rbtn.copied{ border-color:var(--emerald); color:var(--mint); }

/* thumbnail çekmecesi */
.thumbs{ display:none; grid-template-columns:repeat(auto-fill,minmax(78px,1fr)); gap:10px;
  margin-top:18px; padding:18px; background:var(--ink-2); border:1px solid var(--line); border-radius:10px;
  max-height:340px; overflow-y:auto; }
.thumbs.open{ display:grid; }
.thumb{ aspect-ratio:1/1.414; border:1px solid var(--line); border-radius:4px; overflow:hidden; position:relative; cursor:pointer; background:#fff; transition:.2s var(--ease); }
.thumb:hover{ border-color:var(--emerald); transform:translateY(-2px); }
.thumb.active{ border-color:var(--emerald); box-shadow:0 0 0 2px rgba(1,163,235,.4); }
.thumb img{ width:100%; height:100%; object-fit:cover; }
.thumb .tn{ position:absolute; bottom:0; left:0; right:0; font-family:var(--f-mono); font-size:9px;
  text-align:center; padding:2px; background:rgba(10,13,18,.75); color:var(--fg-dim); }

/* markalı yer-tutucu sayfa (gerçek görsel yokken) */
.pg{ width:100%; height:100%; position:relative; display:flex; flex-direction:column;
  padding:9% 10%; color:#12161f; background:#f5f3ee; font-family:var(--f-body); }
.pg .pg-no{ position:absolute; bottom:5%; font-family:var(--f-mono); font-size:11px; color:#9a958a; letter-spacing:.1em; }
.pg.left .pg-no{ left:10%; } .pg.right .pg-no{ right:10%; }
.pg .pg-ey{ font-family:var(--f-mono); font-size:10px; letter-spacing:.22em; text-transform:uppercase; color:var(--emerald); }
.pg .pg-h{ font-family:var(--f-disp); font-weight:600; line-height:1.05; letter-spacing:-.02em; margin-top:auto; }
.pg .pg-lines{ margin-top:14px; display:flex; flex-direction:column; gap:7px; }
.pg .pg-lines i{ display:block; height:6px; border-radius:3px; background:#d9d4c8; }
.pg.cover{ background:linear-gradient(160deg,#0A0D12,#08151f 62%,#013a56); color:#ECEAE4; justify-content:space-between; padding:11%; }
.pg.cover .pg-ey{ color:#46E3A0; }
.pg.cover .brandline{ display:flex; align-items:center; gap:10px; font-family:var(--f-disp); font-size:1.3rem; }
.pg.cover .brandline b{ color:var(--emerald); }
.pg.cover .cv-title{ font-family:var(--f-disp); font-weight:700; font-size:clamp(1.6rem,4.4vw,2.6rem); line-height:1; letter-spacing:-.02em; }
.pg.cover .cv-sub{ font-family:var(--f-mono); font-size:10.5px; letter-spacing:.18em; color:#9AA0A9; text-transform:uppercase; }
.pg.accent{ background:linear-gradient(160deg,var(--blue-d),var(--blue)); color:#fff; justify-content:center; align-items:flex-start; }
.pg.accent .pg-h{ margin:0; color:#fff; }
.pg.accent .pg-no{ color:rgba(255,255,255,.6); }
.pg.back{ background:#0A0D12; color:#ECEAE4; justify-content:center; }
.pg.back .pg-no{ color:#6E7681; }
.pg .pg-stat{ font-family:var(--f-disp); font-weight:700; font-size:clamp(2rem,6vw,3.4rem); color:var(--emerald); letter-spacing:-.03em; }

/* fullscreen */
.reader-shell:fullscreen{ background:var(--ink); padding:24px; }
.reader-shell:fullscreen .reader{ border-radius:10px; }

@media (max-width:820px){
  .spread:not(.single){ grid-template-columns:minmax(0,1fr); }
  .spread .leaf.left{ display:none; }        /* mobilde tek sayfa */
  .spread .leaf.right,.spread.single .leaf{ border-radius:6px; box-shadow:none; }
  .rnav{ width:44px; height:44px; }
}