/* =========================================================
   Velunex — Kurumsal Yazılım Sitesi
   Görsel sistem: "iki ışıklı sahne"
   Sıcak anahtar ışık (amber) + soğuk kenar ışığı (periwinkle).
   Her yüzey üst kenarından aydınlanır, gölgesini aşağı düşürür.
   ========================================================= */

/* ---------- 1. Token ---------- */
:root{
  /* sahne */
  --bg:        #080b16;
  --bg-2:      #0b1020;
  --surface:   #111930;
  --surface-2: #17203c;
  --surface-3: #1d2848;

  --line:      rgba(150,175,255,.10);
  --line-2:    rgba(150,175,255,.19);
  --line-3:    rgba(150,175,255,.30);

  --txt:       #eaeef9;
  --txt-2:     #a6b0c9;
  --txt-3:     #7d88a5;

  /* ışık */
  /* marka kimliği — logodaki cyan→mavi gradyanından */
  --brand:      #00cbff;   /* ana vurgu: etiket, ikon, bağlantı, odak */
  --brand-deep: #007bff;   /* dolgu, kenarlık, parıltı */
  --brand-wash: rgba(0,203,255,.13);

  --key:       #ffb067;   /* sıcak ışık — YALNIZCA eylem (buton, rozet) */
  --key-deep:  #e8873c;
  --key-wash:  rgba(0,203,255,.13);
  --rim:       #7c9bff;   /* soğuk kenar ışığı */
  --rim-wash:  rgba(124,155,255,.13);

  --good:      #4ed6a2;
  --warn:      #ffc95c;
  --bad:       #ff7a6b;

  /* yükseklik — tek ışık yönü: üstten */
  --hl:   inset 0 1px 0 rgba(255,255,255,.075);
  --hl-2: inset 0 1px 0 rgba(255,255,255,.12);
  --sh-1: 0 1px 2px rgba(3,6,14,.6), 0 3px 10px -3px rgba(3,6,14,.55);
  --sh-2: 0 4px 12px -4px rgba(3,6,14,.7), 0 16px 34px -14px rgba(3,6,14,.85);
  --sh-3: 0 10px 26px -10px rgba(3,6,14,.8), 0 44px 76px -34px rgba(3,6,14,.95);
  --sh-key:   0 10px 26px -10px rgba(232,135,60,.5);  /* amber buton */
  --sh-brand: 0 10px 26px -10px rgba(0,123,255,.5);   /* mavi yüzeyler */

  --r-s: 6px;
  --r:   12px;
  --r-l: 18px;
  --r-xl:26px;

  --ff-d: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --ff:   "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --ff-m: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --wrap: 1200px;
  --nav-h: 108px;
  --gut: 24px;
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--nav-h) + 22px);
}

body{
  font-family:var(--ff);
  font-size:16.5px;
  line-height:1.62;
  color:var(--txt);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* sahne aydınlatması — sayfanın tamamına düşen iki ışık */
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(58vw 42vw at 78% -6%,  rgba(0,203,255,.11), transparent 62%),
    radial-gradient(52vw 40vw at 8% 4%,    rgba(255,176,103,.07), transparent 60%),
    radial-gradient(70vw 50vw at 50% 108%, rgba(0,123,255,.07), transparent 65%);
}

img,svg,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
ul,ol{list-style:none}
table{border-collapse:collapse;width:100%}

::selection{background:rgba(0,203,255,.3);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:3px}

/* ---------- 3. Tipografi ---------- */
h1,h2,h3,h4,h5{
  font-family:var(--ff-d);
  font-weight:700;
  line-height:1.1;
  letter-spacing:-.028em;
  color:var(--txt);
}
h1{font-size:clamp(2.3rem,5.1vw,3.95rem);line-height:1.04}
h2{font-size:clamp(1.75rem,3.4vw,2.7rem);margin-bottom:15px}
h3{font-size:clamp(1.12rem,1.6vw,1.32rem);letter-spacing:-.018em;margin-bottom:9px}
h4{font-size:1.02rem;letter-spacing:-.012em;margin-bottom:6px}

p{color:var(--txt-2)}
strong{color:var(--txt);font-weight:600}

.lead{
  font-size:clamp(1.02rem,1.35vw,1.16rem);
  line-height:1.6;
  color:var(--txt-2);
  max-width:60ch;
}
.muted{color:var(--txt-3)}

/* vurgulu kelime: gradyan değil, ışık alan yüzey */
.gradient-text{
  color:var(--brand);
  text-shadow:0 0 32px rgba(0,203,255,.35);
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-family:var(--ff-m);
  font-size:.7rem;
  font-weight:500;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--brand);
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:20px;height:1px;
  background:currentColor;
  opacity:.55;
}

.sec-head{max-width:64ch;margin-bottom:52px}
.sec-head.center{margin-inline:auto;text-align:center}
.sec-head.center .eyebrow{justify-content:center}
.sec-head.center .eyebrow::before{display:none}
.sec-head h2{margin-bottom:15px}

/* ---------- 4. Yerleşim ---------- */
.wrap{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding-inline:var(--gut);
  position:relative;
  z-index:1;
}

.section{padding-block:100px;position:relative}
.section--tight{padding-block:66px}
.section--alt{background:var(--bg-2)}
.section--alt::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(180deg,rgba(150,175,255,.05),transparent 22%);
}

.grid{display:grid;gap:22px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}

.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:60px;
  align-items:center;
}
.split.rev .split-media{order:-1}
.split-media{position:relative}

/* ---------- 5. Butonlar ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  padding:13px 22px;
  border-radius:var(--r-s);
  border:1px solid transparent;
  font-family:var(--ff-d);
  font-weight:600;
  font-size:.93rem;
  letter-spacing:-.01em;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .15s ease, box-shadow .2s ease, background .2s ease,
             border-color .2s ease, color .2s ease;
}
.btn svg{width:16px;height:16px;flex:none}

.btn-primary{
  background:var(--key);
  color:#241202;
  box-shadow:var(--sh-key), var(--hl-2);
}
.btn-primary:hover{
  background:#ffbe80;
  transform:translateY(-2px);
  box-shadow:0 16px 32px -10px rgba(232,135,60,.6), var(--hl-2);
}
.btn-primary:active{transform:translateY(0)}

.btn-ghost{
  background:var(--surface);
  border-color:var(--line-2);
  color:var(--txt);
  box-shadow:var(--sh-1), var(--hl);
}
.btn-ghost:hover{
  border-color:var(--brand);
  color:var(--brand);
  background:var(--surface-2);
  transform:translateY(-2px);
  box-shadow:var(--sh-2), var(--hl);
}
.btn-ghost:active{transform:translateY(0)}

.btn-sm{padding:10px 16px;font-size:.86rem}
.btn-block{width:100%}
.hero-cta,.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-family:var(--ff-d);
  font-weight:600;
  font-size:.9rem;
  color:var(--brand);
}
.link-arrow svg{width:15px;height:15px;transition:transform .18s ease}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- 6. Başlık ---------- */
.site-header{
  position:fixed;
  inset:0 0 auto 0;
  z-index:80;
  height:var(--nav-h);
  display:flex;
  align-items:center;
  border-bottom:1px solid transparent;
  transition:background .25s ease, border-color .25s ease, backdrop-filter .25s ease;
}
.site-header.scrolled{
  background:rgba(8,11,22,.8);
  backdrop-filter:blur(16px) saturate(150%);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  border-bottom-color:var(--line);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  width:100%;
}

.logo{
  display:flex;
  align-items:center;
  gap:0;
  font-family:var(--ff-d);
  font-weight:700;
  font-size:1.16rem;
  letter-spacing:-.03em;
}
/* marka logosu — kurumsal kimlik dosyası, değiştirilmeden kullanılır.
   Dosyanın zemini siyah; mix-blend-mode:screen sayesinde koyu sahnede
   siyah kaybolur, yalnızca logo ve parıltısı görünür. */
.logo-mark{
  height:100px;
  width:auto;
  flex:none;
  display:block;
  mix-blend-mode:screen;
}
.site-footer .logo-mark{height:120px}

.nav-links{display:flex;align-items:center;gap:2px}
.nav-links > li{position:relative}
.nav-links a{min-height:40px;display:flex;align-items:center;
  display:block;
  padding:9px 14px;
  border-radius:var(--r-s);
  font-size:.92rem;
  font-weight:500;
  color:var(--txt-2);
  transition:color .18s ease, background .18s ease;
}
.nav-links a:hover{color:var(--txt);background:rgba(150,175,255,.07)}
.nav-links a.active{color:var(--txt);background:transparent;box-shadow:inset 0 -2px 0 var(--brand)}

.nav-actions{display:flex;align-items:center;gap:12px}
.nav-tel{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--ff-m);
  font-size:.82rem;
  font-weight:500;
  color:var(--txt-2);
  font-variant-numeric:tabular-nums;
}
.nav-tel:hover{color:var(--brand)}
.nav-tel svg{width:15px;height:15px}

/* açılır menü */
.has-menu > a::after{
  content:"";
  width:5px;height:5px;
  border-right:1.5px solid currentColor;
  border-bottom:1.5px solid currentColor;
  display:inline-block;
  transform:rotate(45deg) translateY(-2px);
  margin-left:8px;
  opacity:.7;
}
.submenu{
  position:absolute;
  top:calc(100% + 12px);
  left:50%;
  min-width:310px;
  padding:8px;
  border-radius:var(--r);
  background:var(--surface);
  border:1px solid var(--line-2);
  box-shadow:var(--sh-3), var(--hl);
  opacity:0;
  visibility:hidden;
  transform:translate(-50%,8px);
  transition:opacity .2s ease, transform .2s ease, visibility .2s;
}
.has-menu:hover .submenu,
.has-menu:focus-within .submenu{
  opacity:1;visibility:visible;transform:translate(-50%,0);
}
.submenu a{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:11px 12px;
  border-radius:var(--r-s);
}
.submenu a:hover{background:rgba(150,175,255,.08)}
.submenu i{
  width:30px;height:30px;
  border-radius:8px;
  flex:none;
  margin-top:2px;
  display:grid;
  place-items:center;
  color:var(--brand);
  background:var(--brand-wash);
  border:1px solid rgba(0,203,255,.2);
}
.submenu i svg{width:15px;height:15px}
.submenu strong{
  display:block;
  font-family:var(--ff-d);
  font-size:.9rem;
  font-weight:600;
  color:var(--txt);
}
.submenu small{
  display:block;
  font-size:.78rem;
  line-height:1.45;
  color:var(--txt-3);
}

/* mobil */
.burger{
  display:none;
  width:40px;height:40px;
  border-radius:var(--r-s);
  border:1px solid var(--line-2);
  background:var(--surface);
  box-shadow:var(--sh-1), var(--hl);
  cursor:pointer;
  place-items:center;
}
.burger span{
  display:block;
  width:17px;height:1.6px;
  border-radius:2px;
  background:var(--txt);
  transition:transform .24s ease, opacity .18s ease;
}
.burger span + span{margin-top:4.4px}
.burger.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.mobile-nav{
  position:fixed;
  inset:var(--nav-h) 0 0 0;
  z-index:70;
  background:rgba(8,11,22,.97);
  backdrop-filter:blur(14px);
  padding:24px var(--gut) 40px;
  overflow-y:auto;
  opacity:0;
  visibility:hidden;
  transform:translateY(-8px);
  transition:opacity .24s ease, transform .24s ease, visibility .24s;
}
.mobile-nav.open{opacity:1;visibility:visible;transform:none}
.mobile-nav a{
  display:block;
  padding:15px 2px;
  border-bottom:1px solid var(--line);
  font-family:var(--ff-d);
  font-weight:600;
  font-size:1.02rem;
}
.mobile-nav .sub a{
  padding-left:16px;
  font-family:var(--ff);
  font-weight:400;
  font-size:.93rem;
  color:var(--txt-2);
}
.mobile-nav .btn{margin-top:24px}

/* ---------- 7. Hero ---------- */
.hero{
  position:relative;
  padding-top:calc(var(--nav-h) + 78px);
  padding-bottom:96px;
  overflow:hidden;
}
.hero-bg{position:absolute;inset:0;z-index:0;pointer-events:none}

/* perspektifte kaçan zemin ızgarası */
.grid-lines{
  position:absolute;
  left:-25%;
  right:-25%;
  bottom:-8%;
  height:62%;
  background-image:
    linear-gradient(rgba(150,175,255,.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(150,175,255,.16) 1px, transparent 1px);
  background-size:58px 58px;
  transform:perspective(520px) rotateX(66deg);
  transform-origin:bottom center;
  mask-image:linear-gradient(180deg, transparent, #000 42%, transparent 92%);
  -webkit-mask-image:linear-gradient(180deg, transparent, #000 42%, transparent 92%);
  opacity:.5;
}

.hero-inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.02fr .98fr;
  gap:52px;
  align-items:center;
}
.hero h1{margin-bottom:20px}
.hero .lead{margin-bottom:30px}

.badge{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:6px 14px 6px 7px;
  margin-bottom:24px;
  border-radius:999px;
  background:var(--surface);
  border:1px solid var(--line-2);
  box-shadow:var(--sh-1), var(--hl);
  font-family:var(--ff-m);
  font-size:.72rem;
  font-weight:500;
  letter-spacing:.05em;
  color:var(--txt-2);
}
.badge em{
  font-style:normal;
  font-weight:600;
  font-size:.66rem;
  letter-spacing:.1em;
  padding:3px 9px;
  border-radius:999px;
  color:#04121c;
  background:var(--brand);
}
.dot{
  width:6px;height:6px;
  border-radius:50%;
  flex:none;
  background:var(--good);
  box-shadow:0 0 0 3px rgba(78,214,162,.18);
}

.hero-stats{
  display:flex;
  gap:34px;
  flex-wrap:wrap;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.hero-stats b{
  display:block;
  font-family:var(--ff-d);
  font-size:1.62rem;
  font-weight:700;
  letter-spacing:-.03em;
  line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.hero-stats span{font-size:.82rem;color:var(--txt-3)}

/* ---------- 8. İMZA: izometrik katman diyagramı ---------- */
.stack{
  position:relative;
  width:100%;
  perspective:1200px;
}
.stack-tilt{
  transform-style:preserve-3d;
  transition:transform .5s cubic-bezier(.22,1,.36,1);
  will-change:transform;
}
.stack svg{
  display:block;
  width:100%;
  height:auto;
  overflow:visible;
}
.stack .lbl{
  font-family:var(--ff-m);
  font-size:11.5px;
  font-weight:500;
  letter-spacing:.11em;
  fill:var(--txt-2);
  text-anchor:end;
}
.stack .lbl-key{fill:var(--key)}
.stack .lead-line{stroke:var(--line-3);stroke-width:1}

@media (prefers-reduced-motion:no-preference){
  .packet{animation:travel 4s cubic-bezier(.45,0,.55,1) infinite}
}
@keyframes travel{
  0%, 8%   {transform:translateY(0);   opacity:0}
  16%      {transform:translateY(20px);opacity:1}
  64%      {transform:translateY(266px);opacity:1}
  78%,100% {transform:translateY(285px);opacity:0}
}
/* ---------- 9. Sistem şeridi ---------- */
.trust{
  border-block:1px solid var(--line);
  background:var(--bg-2);
  padding-block:26px;
}
.trust .wrap{
  display:flex;
  align-items:baseline;
  gap:28px;
  flex-wrap:wrap;
}
.trust p{
  font-family:var(--ff-m);
  font-size:.68rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--txt-3);
  white-space:nowrap;
}
.trust ul{
  display:flex;
  flex-wrap:wrap;
  gap:8px 18px;
  font-family:var(--ff-m);
  font-size:.8rem;
  color:var(--txt-2);
}
.trust li{white-space:nowrap}
.trust li::after{content:"";display:inline-block;width:0}

/* ---------- 10. Kartlar ---------- */
.card{
  position:relative;
  display:flex;
  flex-direction:column;
  padding:28px;
  border-radius:var(--r-l);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--sh-1), var(--hl);
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
  overflow:hidden;
}
/* üstten gelen ışığın kenar çizgisi */
.card::before{
  content:"";
  position:absolute;
  top:0;left:14%;right:14%;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.22),transparent);
}
.card:hover{
  transform:translateY(-4px);
  border-color:var(--line-2);
  box-shadow:var(--sh-2), var(--hl);
}
.card h3{margin-bottom:9px}
.card p{font-size:.94rem}
.card .link-arrow{margin-top:auto;padding-top:18px;align-self:flex-start}

.icon{
  width:46px;height:46px;
  border-radius:var(--r);
  display:grid;
  place-items:center;
  margin-bottom:18px;
  color:var(--brand);
  background:var(--brand-wash);
  border:1px solid rgba(0,203,255,.22);
  box-shadow:var(--hl);
}
.icon svg{width:22px;height:22px}
.icon.v2{color:var(--rim);background:var(--rim-wash);border-color:rgba(124,155,255,.24)}
.icon.v3{color:var(--good);background:rgba(78,214,162,.11);border-color:rgba(78,214,162,.22)}
.icon.v4{color:var(--warn);background:rgba(255,201,92,.11);border-color:rgba(255,201,92,.22)}

.card-list{display:grid;gap:9px;margin-top:16px}
.card-list li{
  position:relative;
  padding-left:20px;
  font-size:.89rem;
  line-height:1.5;
  color:var(--txt-2);
}
.card-list li::before{
  content:"";
  position:absolute;
  left:0;top:.58em;
  width:9px;height:1.5px;
  border-radius:2px;
  background:var(--brand);
  opacity:.75;
}

.card-tag{
  position:absolute;
  top:20px;right:20px;
  z-index:2;
  font-family:var(--ff-m);
  font-size:.62rem;
  font-weight:500;
  letter-spacing:.11em;
  text-transform:uppercase;
  color:var(--key);
  background:rgba(255,176,103,.13);
  border:1px solid rgba(255,176,103,.24);
  padding:4px 9px;
  border-radius:999px;
}

.card--feature{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:30px;
  align-items:center;
  padding:32px;
}

/* ---------- 11. Akış / sıra ---------- */
.flow{display:grid}
.flow-item{
  position:relative;
  display:grid;
  grid-template-columns:auto 1fr;
  gap:18px;
  padding-bottom:24px;
}
.flow-item:last-child{padding-bottom:0}
.flow-item::before{
  content:"";
  position:absolute;
  left:20px;top:46px;bottom:-2px;
  width:1px;
  background:linear-gradient(180deg,var(--line-2),transparent);
}
.flow-item:last-child::before{display:none}
.flow-num{
  width:41px;height:41px;
  border-radius:var(--r);
  display:grid;
  place-items:center;
  flex:none;
  font-family:var(--ff-m);
  font-size:.82rem;
  font-weight:600;
  color:var(--brand);
  background:var(--surface-2);
  border:1px solid var(--line-2);
  box-shadow:var(--sh-1), var(--hl);
}
.flow-item h4{margin-bottom:5px}
.flow-item p{font-size:.91rem}

/* ---------- 12. Uygulama paneli ---------- */
.mockup{
  position:relative;
  border-radius:var(--r-l);
  border:1px solid var(--line-2);
  background:linear-gradient(160deg,var(--surface-2),var(--surface));
  box-shadow:var(--sh-3), var(--hl);
  overflow:hidden;
}
.mockup-bar{
  display:flex;
  align-items:center;
  gap:7px;
  padding:12px 16px;
  border-bottom:1px solid var(--line);
  background:rgba(150,175,255,.04);
}
.mockup-dot{width:9px;height:9px;border-radius:50%;display:block;flex:none}
.mockup-title{
  margin-left:8px;
  font-family:var(--ff-m);
  font-size:.74rem;
  color:var(--txt-3);
}
.mockup-body{padding:16px}

.mock-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:11px 13px;
  margin-bottom:8px;
  border-radius:var(--r-s);
  background:rgba(150,175,255,.045);
  border:1px solid var(--line);
  font-size:.83rem;
}
.mock-row:last-child{margin-bottom:0}
.mock-row .l{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--txt-2);
  min-width:0;
}
.mock-row .l i{
  width:25px;height:25px;
  border-radius:7px;
  flex:none;
  display:grid;
  place-items:center;
  color:var(--brand);
  background:var(--brand-wash);
}
.mock-row .l i svg{width:13px;height:13px}

.pill{
  font-family:var(--ff-m);
  font-size:.68rem;
  font-weight:500;
  padding:4px 9px;
  border-radius:999px;
  white-space:nowrap;
  font-variant-numeric:tabular-nums;
}
.pill.ok{background:rgba(78,214,162,.13);color:var(--good)}
.pill.wait{background:rgba(255,201,92,.13);color:var(--warn)}
.pill.sync{background:rgba(124,155,255,.15);color:#a5baff}

.mock-kpis{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:8px;
  margin-bottom:12px;
}
.mock-kpi{
  padding:12px;
  border-radius:var(--r-s);
  background:rgba(150,175,255,.045);
  border:1px solid var(--line);
  box-shadow:var(--hl);
}
.mock-kpi b{
  display:block;
  font-family:var(--ff-d);
  font-size:1.12rem;
  letter-spacing:-.025em;
  font-variant-numeric:tabular-nums;
}
.mock-kpi span{
  font-family:var(--ff-m);
  font-size:.63rem;
  color:var(--txt-3);
  text-transform:uppercase;
  letter-spacing:.09em;
}

.mock-chart{
  display:flex;
  align-items:flex-end;
  gap:5px;
  height:68px;
  margin-top:12px;
}
.mock-chart i{
  flex:1;
  border-radius:3px 3px 1px 1px;
  background:linear-gradient(180deg,var(--brand),rgba(0,123,255,.35));
  opacity:.85;
  height:55%;
}
/* satır içi yükseklik verilmediğinde okunur bir dağılım */
.mock-chart i:nth-child(1){height:38%}
.mock-chart i:nth-child(2){height:54%}
.mock-chart i:nth-child(3){height:45%}
.mock-chart i:nth-child(4){height:68%}
.mock-chart i:nth-child(5){height:60%}
.mock-chart i:nth-child(6){height:82%}
.mock-chart i:nth-child(7){height:74%}
.mock-chart i:nth-child(8){height:96%}
.mock-chart i:nth-child(9){height:66%}
.mock-chart i:nth-child(10){height:88%}
.mock-chart i:nth-child(11){height:78%}
.mock-chart i:nth-child(12){height:100%}

.float-card{
  position:absolute;
  display:flex;
  align-items:center;
  gap:11px;
  padding:12px 15px;
  border-radius:var(--r);
  background:var(--surface-2);
  border:1px solid var(--line-2);
  box-shadow:var(--sh-2), var(--hl);
  font-size:.8rem;
  font-weight:500;
}
.float-card i{
  width:29px;height:29px;
  border-radius:8px;
  flex:none;
  display:grid;
  place-items:center;
}
.float-card small{
  display:block;
  font-size:.7rem;
  font-weight:400;
  color:var(--txt-3);
}
.fc-1{bottom:-38px;left:-24px}
.fc-2{top:-30px;right:-20px}
@media (prefers-reduced-motion:no-preference){
  .float-card{animation:bob 5.5s ease-in-out infinite}
  .fc-1{animation-delay:.4s}
}
@keyframes bob{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-9px)}
}

/* ---------- 13. Kod ---------- */
.code-box{
  border-radius:var(--r-l);
  border:1px solid var(--line-2);
  background:#070a14;
  box-shadow:var(--sh-3), var(--hl);
  overflow:hidden;
}
.code-head{
  display:flex;
  align-items:center;
  gap:7px;
  padding:12px 16px;
  border-bottom:1px solid var(--line);
  background:rgba(150,175,255,.04);
  font-family:var(--ff-m);
  font-size:.73rem;
  color:var(--txt-3);
}
.code-box pre{
  padding:18px;
  overflow-x:auto;
  font-family:var(--ff-m);
  font-size:.78rem;
  line-height:1.85;
}
.code-box code{color:#c3cce0}
.t-key{color:#a5baff}
.t-str{color:#8fe3c0}
.t-com{color:var(--txt-3);font-style:italic}
.t-fn{color:var(--brand)}
.t-num{color:#ff9fb8}

/* ---------- 14. Sekmeler ---------- */
.tabs{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  justify-content:center;
  margin-bottom:32px;
}
.tab{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:11px 19px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--surface);
  box-shadow:var(--sh-1), var(--hl);
  font-family:var(--ff-d);
  font-weight:600;
  font-size:.88rem;
  color:var(--txt-2);
  cursor:pointer;
  transition:.2s ease;
}
.tab svg{width:16px;height:16px}
.tab:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-2px)}
.tab.active{
  background:var(--brand);
  border-color:transparent;
  color:#04121c;
  box-shadow:var(--sh-brand), var(--hl-2);
}
.js .tab-panel{display:none}
.js .tab-panel.active{display:block;animation:fade .35s ease}
@keyframes fade{
  from{opacity:0;transform:translateY(8px)}
  to{opacity:1;transform:none}
}

/* ---------- 15. Rakam bandı ---------- */
.stat-band{
  position:relative;
  padding:46px 38px;
  border-radius:var(--r-xl);
  background:linear-gradient(150deg,var(--surface-2),var(--surface));
  border:1px solid var(--line);
  box-shadow:var(--sh-2), var(--hl);
  overflow:hidden;
}
.stat-band::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:radial-gradient(60% 90% at 88% 8%, rgba(0,203,255,.14), transparent 62%);
}
.stat-band .grid{position:relative}
.stat b{
  display:block;
  font-family:var(--ff-d);
  font-size:clamp(1.9rem,3.7vw,2.7rem);
  font-weight:700;
  letter-spacing:-.04em;
  line-height:1;
  font-variant-numeric:tabular-nums;
}
.stat span{
  display:block;
  margin-top:8px;
  font-size:.88rem;
  color:var(--txt-2);
}

/* ---------- 16. Etiketler ---------- */
.chips{display:flex;flex-wrap:wrap;gap:9px}
.chip{
  padding:8px 15px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--surface);
  box-shadow:var(--sh-1), var(--hl);
  font-size:.86rem;
  color:var(--txt-2);
  transition:.2s ease;
}
.chip:hover{
  color:var(--txt);
  border-color:var(--line-2);
  transform:translateY(-2px);
  box-shadow:var(--sh-2), var(--hl);
}

/* ---------- 17. SSS ---------- */
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;
  display:grid;
  grid-template-columns:1fr auto;
  gap:20px;
  align-items:center;
  text-align:left;
  padding:22px 0;
  background:none;
  border:0;
  cursor:pointer;
  font-family:var(--ff-d);
  font-weight:600;
  font-size:1.02rem;
  letter-spacing:-.015em;
  color:var(--txt);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--brand)}
.faq-q::after{
  content:"";
  width:11px;height:11px;
  border-right:1.8px solid var(--txt-3);
  border-bottom:1.8px solid var(--txt-3);
  transform:rotate(45deg) translateY(-3px);
  transition:transform .26s ease, border-color .2s ease;
}
.faq-item.open .faq-q::after{
  transform:rotate(225deg) translateY(-3px);
  border-color:var(--brand);
}
.faq-a{max-height:0;overflow:hidden;visibility:hidden;transition:max-height .3s ease,visibility .3s}
.faq-item.open .faq-a{visibility:visible}
.faq-a p{
  padding:0 42px 24px 0;
  font-size:.94rem;
  max-width:74ch;
}

/* ---------- 18. Kapanış ---------- */
.cta{
  position:relative;
  padding:64px 44px;
  text-align:center;
  border-radius:var(--r-xl);
  background:linear-gradient(155deg,var(--surface-2),#0d1426);
  border:1px solid var(--line-2);
  box-shadow:var(--sh-3), var(--hl);
  overflow:hidden;
}
.cta::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(52% 74% at 50% -14%, rgba(0,203,255,.2), transparent 62%),
    radial-gradient(46% 60% at 12% 108%, rgba(124,155,255,.14), transparent 64%);
}
.cta > *{position:relative}
.cta h2{margin-bottom:14px}
.cta p{margin:0 auto 28px;max-width:56ch}
.cta .cta-actions{justify-content:center}

/* ---------- 19. Form ---------- */
.form{display:grid;gap:18px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field label{
  display:block;
  font-family:var(--ff-m);
  font-size:.68rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--txt-3);
  margin-bottom:8px;
}
.field input,.field textarea,.field select{
  width:100%;
  padding:12px 14px;
  border-radius:var(--r-s);
  background:rgba(8,11,22,.5);
  border:1px solid var(--line-2);
  box-shadow:inset 0 2px 6px rgba(3,6,14,.5);
  color:var(--txt);
  font-size:.95rem;
  transition:border-color .18s ease, box-shadow .18s ease;
}
.field input::placeholder,.field textarea::placeholder{color:var(--txt-3)}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:inset 0 2px 6px rgba(3,6,14,.5), 0 0 0 3px rgba(0,203,255,.16);
}
.field textarea{resize:vertical;min-height:120px;line-height:1.6}
.field select{cursor:pointer}
.field select option{background:var(--surface);color:var(--txt)}

.consent{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:11px;
  align-items:start;
  font-size:.83rem;
  line-height:1.55;
  color:var(--txt-3);
}
.consent input{width:16px;height:16px;margin-top:3px;accent-color:var(--brand)}

.form-note{
  display:none;
  font-size:.86rem;
  line-height:1.55;
  padding:13px 15px;
  border-radius:var(--r-s);
}
.form-note.ok{
  display:block;
  background:rgba(78,214,162,.1);
  border:1px solid rgba(78,214,162,.26);
  color:#8fe6c1;
}

.contact-card{
  display:flex;
  gap:15px;
  padding:20px;
  border-radius:var(--r);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--sh-1), var(--hl);
  transition:.2s ease;
}
.contact-card:hover{
  transform:translateY(-3px);
  border-color:var(--line-2);
  box-shadow:var(--sh-2), var(--hl);
}
.contact-card i{
  width:40px;height:40px;
  border-radius:var(--r-s);
  flex:none;
  display:grid;
  place-items:center;
  color:var(--brand);
  background:var(--brand-wash);
  border:1px solid rgba(0,203,255,.2);
}
.contact-card i svg{width:18px;height:18px}
.contact-card h4{margin-bottom:3px}
.contact-card p,.contact-card a{font-size:.9rem;color:var(--txt-2)}
.contact-card a:hover{color:var(--brand)}

/* ---------- 20. Sayfa başlığı ---------- */
.page-hero{
  position:relative;
  padding-top:calc(var(--nav-h) + 66px);
  padding-bottom:56px;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(46% 70% at 76% -18%, rgba(0,203,255,.14), transparent 60%),
    radial-gradient(44% 66% at 6% -10%, rgba(124,155,255,.14), transparent 60%);
}
.crumbs{
  display:flex;
  gap:9px;
  align-items:center;
  flex-wrap:wrap;
  font-family:var(--ff-m);
  font-size:.7rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--txt-3);
  margin-bottom:20px;
}
.crumbs a:hover{color:var(--brand)}
.page-hero h1{font-size:clamp(2rem,4.4vw,3.3rem)}

/* ---------- 21. Alt bilgi ---------- */
.site-footer{
  background:var(--bg-2);
  border-top:1px solid var(--line);
  padding-top:62px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.15fr;
  gap:40px;
  padding-bottom:46px;
}
.foot-brand p{
  font-size:.9rem;
  margin:16px 0 20px;
  max-width:34ch;
}
.foot h2{
  font-family:var(--ff-m);
  font-size:.68rem;
  font-weight:500;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--txt-3);
  margin-bottom:16px;
}
.foot ul{display:grid;gap:10px}
.foot a,.foot li{font-size:.9rem;color:var(--txt-2)}
.foot a:hover{color:var(--brand)}

.socials{display:flex;gap:9px}
.socials a{
  width:40px;height:40px;
  border-radius:var(--r-s);
  display:grid;
  place-items:center;
  color:var(--txt-2);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--sh-1), var(--hl);
  transition:.2s ease;
}
.socials a:hover{
  color:var(--brand);
  border-color:var(--line-2);
  transform:translateY(-2px);
  box-shadow:var(--sh-2), var(--hl);
}
.socials svg{width:16px;height:16px}

.foot-bottom{
  border-top:1px solid var(--line);
  padding-block:20px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-family:var(--ff-m);
  font-size:.74rem;
  color:var(--txt-3);
}
.foot-bottom nav{display:flex;gap:20px}
.foot-bottom a:hover{color:var(--brand)}

/* WhatsApp */
.wa{
  position:fixed;
  right:20px;bottom:20px;
  z-index:60;
  width:52px;height:52px;
  border-radius:50%;
  display:grid;
  place-items:center;
  color:#052b16;
  background:#25d366;
  box-shadow:0 12px 28px -10px rgba(37,211,102,.7), inset 0 1px 0 rgba(255,255,255,.4);
  transition:transform .2s ease;
}
.wa:hover{transform:scale(1.07)}
.wa svg{width:26px;height:26px}

/* ---------- 22. Beliriş ---------- */
.js [data-reveal]{
  opacity:0;
  transform:translateY(20px);
  transition:opacity .6s cubic-bezier(.22,1,.36,1), transform .6s cubic-bezier(.22,1,.36,1);
}
.js [data-reveal].in{opacity:1;transform:none}

/* ---------- 23. Duyarlılık ---------- */
@media (max-width:1040px){
  .hero-inner{grid-template-columns:1fr;gap:56px}
  .hero .lead{max-width:none}
  .stack{max-width:520px;margin-inline:auto}
  .split{grid-template-columns:1fr;gap:44px}
  .split.rev .split-media{order:0}
  .g-4{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:880px){
  .nav-links,.nav-tel{display:none}
  .burger{display:grid}
  .g-3{grid-template-columns:1fr}
  .card--feature{grid-template-columns:1fr}
  .section{padding-block:74px}
}
@media (max-width:620px){
  :root{--gut:18px;--nav-h:88px}
  .logo-mark{height:80px}
  body{font-size:16px}
  .hero{padding-top:calc(var(--nav-h) + 46px);padding-bottom:64px}
  .g-2,.g-4,.form-row{grid-template-columns:1fr}
  .float-card{display:none}
  .hero-stats{gap:22px}
  .mock-kpis{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr}
  .cta{padding:46px 22px}
  .stat-band{padding:34px 22px}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .stack{max-width:none}
  .slabel span{font-size:.63rem}
  .slabel::after{width:22px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .js [data-reveal]{opacity:1;transform:none}
  .stack-scene{transition:none}
  .packet{opacity:1;transform:translateZ(70px)}
}

/* ---------- 24. Erişilebilirlik: içeriğe atla ---------- */
.skip{
  position:absolute;
  left:12px;
  top:-64px;
  z-index:200;
  padding:12px 18px;
  border-radius:var(--r-s);
  background:var(--key);
  color:#241202;
  font-family:var(--ff-d);
  font-weight:600;
  font-size:.92rem;
  box-shadow:var(--sh-2);
  transition:top .18s ease;
}
.skip:focus{top:12px}

/* ---------- 25. Bento: çözüm kartlarında boyut hiyerarşisi ---------- */
/* B2B Service kalıbı — birincil teklif görsel olarak da birincil olsun */
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.bento > :nth-child(1){grid-column:span 2}
.bento > :nth-child(4){grid-column:span 2}
.bento .card--lead{padding:34px}
.bento .card--lead h3{font-size:clamp(1.3rem,2vw,1.6rem)}
.bento .card--lead .card-list{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px 24px;
}
@media (max-width:880px){
  .bento{grid-template-columns:1fr}
  .bento > :nth-child(1),
  .bento > :nth-child(4){grid-column:span 1}
  .bento .card--lead{padding:28px}
  .bento .card--lead .card-list{grid-template-columns:1fr}
}

/* ---------- 26. Taşma koruması ----------
   Grid/flex çocukları varsayılan olarak min-width:auto taşır; geniş
   içerik (kod blokları, uzun tablolar) sütunu ve tüm sayfayı şişirir. */
.split > *,
.grid > *,
.bento > *,
.hero-inner > *,
.foot-grid > *{min-width:0}

.code-box{max-width:100%}
.code-box pre{max-width:100%}
.mockup{max-width:100%}

/* ---------- 27. Yayınlanmış uygulamalar ---------- */
.sr-only{
  position:absolute;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  white-space:nowrap;
  border:0;
}

.app-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}

.app-card{
  display:grid;
  grid-template-columns:auto 1fr;
  grid-template-rows:auto auto;
  column-gap:16px;
  row-gap:14px;
  align-items:center;
  padding:20px;
  border-radius:var(--r-l);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--sh-1), var(--hl);
  transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.app-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-2);
  box-shadow:var(--sh-2), var(--hl);
}

.app-card img{
  width:56px;height:56px;
  border-radius:13px;
  flex:none;
  box-shadow:0 4px 12px -4px rgba(3,6,14,.8);
}

.app-meta{min-width:0}
.app-meta strong{
  display:block;
  font-family:var(--ff-d);
  font-weight:600;
  font-size:.98rem;
  line-height:1.25;
  letter-spacing:-.015em;
  color:var(--txt);
  margin-bottom:4px;
}
.app-meta small{
  display:block;
  font-family:var(--ff-m);
  font-size:.7rem;
  letter-spacing:.07em;
  text-transform:uppercase;
  color:var(--txt-3);
}

.app-go{
  grid-column:1 / -1;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding-top:13px;
  border-top:1px solid var(--line);
  font-family:var(--ff-m);
  font-size:.72rem;
  font-weight:500;
  letter-spacing:.09em;
  text-transform:uppercase;
  color:var(--brand);
}
.app-go svg{width:13px;height:13px;transition:transform .18s ease}
.app-card:hover .app-go svg{transform:translate(2px,-2px)}

@media (max-width:1000px){ .app-grid{grid-template-columns:repeat(2,1fr)} }
@media (max-width:620px){ .app-grid{grid-template-columns:1fr} }

/* iOS yakında notu */
.app-note{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  margin-top:26px;
  padding:13px 20px;
  border-radius:999px;
  width:fit-content;
  margin-inline:auto;
  background:var(--surface);
  border:1px solid var(--line-2);
  box-shadow:var(--sh-1), var(--hl);
  font-family:var(--ff-m);
  font-size:.78rem;
  letter-spacing:.05em;
  color:var(--txt-2);
  text-align:center;
}
.app-note svg{width:16px;height:16px;flex:none;color:var(--brand)}
.app-note b{color:var(--txt);font-weight:600}
@media (max-width:620px){
  .app-note{width:auto;border-radius:var(--r);font-size:.74rem}
}

/* ---------- 28. Ürün ekran görüntüsü ---------- */
.shot{
  position:relative;
  margin:0;
  border-radius:var(--r-l);
  border:1px solid var(--line-2);
  background:linear-gradient(160deg,var(--surface-2),var(--surface));
  box-shadow:var(--sh-3), var(--hl);
  overflow:hidden;
}
.shot img{
  display:block;
  width:100%;
  height:auto;
}
.shot figcaption{
  display:flex;
  align-items:center;
  gap:9px;
  padding:12px 18px;
  border-top:1px solid var(--line);
  background:rgba(150,175,255,.04);
  font-family:var(--ff-m);
  font-size:.72rem;
  letter-spacing:.05em;
  color:var(--txt-3);
}
.shot figcaption svg{width:14px;height:14px;flex:none;color:var(--brand)}

/* ürün künyesi: ekranda ne var */
.shot-facts{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
  margin-top:28px;
}
.shot-fact{
  padding-top:16px;
  border-top:2px solid var(--line-2);
}
.shot-fact b{
  display:block;
  font-family:var(--ff-d);
  font-weight:600;
  font-size:.97rem;
  color:var(--txt);
  margin-bottom:5px;
}
.shot-fact span{
  font-size:.89rem;
  line-height:1.5;
  color:var(--txt-2);
}
@media (max-width:880px){ .shot-facts{grid-template-columns:1fr} }

/* ---------- 29. Ürün blokları ---------- */
.products{display:grid;gap:72px}
.product-head{max-width:62ch;margin-bottom:26px}
.product-head .eyebrow{margin-bottom:12px}
.product-head h3{
  font-size:clamp(1.3rem,2.2vw,1.75rem);
  margin-bottom:12px;
}
.product-head p{font-size:1rem;line-height:1.6}
@media (max-width:880px){ .products{gap:52px} }

/* ---------- 30. Ana sayfa: kompakt ürün kartları ---------- */
.mini-products{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
  margin-top:56px;
}
.mini-product{
  display:flex;
  flex-direction:column;
  border-radius:var(--r-l);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--sh-1), var(--hl);
  overflow:hidden;
  transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.mini-product:hover{
  transform:translateY(-4px);
  border-color:var(--line-2);
  box-shadow:var(--sh-2), var(--hl);
}
.mini-shot{
  display:block;
  width:100%;
  aspect-ratio:5 / 1;
  object-fit:cover;
  object-position:top left;
  border-bottom:1px solid var(--line);
  background:#fff;
}
.mini-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.mini-body h4{margin-bottom:6px}
.mini-body p{font-size:.88rem;line-height:1.5;margin-bottom:14px}
.mini-body .link-arrow{margin-top:auto;font-size:.82rem}

@media (max-width:880px){
  .mini-products{grid-template-columns:1fr;margin-top:40px}
}