/* ============================================================
   QUANTUM ELEKTRONİK VE TEKNOLOJİ — Tasarım Sistemi
   Tema: "Gece görüşü" — izleme/ağ estetiği.
   Palet: Void Navy / Panel Slate / Signal Cyan / Rec Amber / Mist / Paper
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root{
  --void-navy:#0B1220;
  --void-navy-2:#080D17;
  --panel-slate:#131C2E;
  --panel-slate-2:#1B2740;
  --line:rgba(159,176,195,.14);
  --line-strong:rgba(159,176,195,.28);
  --signal-cyan:#29D3C0;
  --signal-cyan-dim:#1B8C82;
  --rec-amber:#FF8A3D;
  --rec-amber-dim:#C7671F;
  --mist:#9FB0C3;
  --paper:#EDF2F7;
  --danger:#FF5B6E;
  --ok:#3DDC97;
  --warn:#FFC24B;
  --radius:14px;
  --radius-sm:8px;
  --shadow-lg:0 30px 60px -20px rgba(0,0,0,.55);
  --ff-display:'Rajdhani',sans-serif;
  --ff-body:'Inter',sans-serif;
  --ff-mono:'JetBrains Mono',monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

body{
  margin:0;
  background:var(--void-navy);
  color:var(--paper);
  font-family:var(--ff-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

body::before{
  content:"";
  position:fixed;inset:0;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.35;
  pointer-events:none;
  z-index:0;
  mask-image:radial-gradient(ellipse 90% 60% at 50% 0%,#000 40%,transparent 100%);
}

img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{font-family:var(--ff-display);font-weight:700;letter-spacing:.01em;margin:0 0 .4em;color:var(--paper);}
h1{font-size:clamp(2.4rem,5vw,4.2rem);line-height:1.05;text-transform:uppercase;}
h2{font-size:clamp(1.8rem,3.4vw,2.6rem);line-height:1.12;text-transform:uppercase;}
h3{font-size:1.3rem;}
p{margin:0 0 1em;color:var(--mist);}
.mono{font-family:var(--ff-mono);}

:focus-visible{outline:2px solid var(--signal-cyan);outline-offset:3px;border-radius:4px;}

.container{max-width:1180px;margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.section{padding:96px 0;position:relative;z-index:1;}
.section-tight{padding:56px 0;}
.section-alt{background:linear-gradient(180deg,transparent,rgba(19,28,46,.55) 12%,rgba(19,28,46,.55) 88%,transparent);}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--ff-mono);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--signal-cyan);margin-bottom:14px;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--rec-amber);box-shadow:0 0 0 3px rgba(255,138,61,.18);animation:blink 2.4s infinite;}
@keyframes blink{0%,100%{opacity:1;}50%{opacity:.25;}}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--ff-display);font-weight:600;font-size:1rem;letter-spacing:.04em;text-transform:uppercase;
  padding:14px 26px;border-radius:999px;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:linear-gradient(135deg,var(--rec-amber),var(--rec-amber-dim));color:#1a0e04;box-shadow:0 12px 28px -10px rgba(255,138,61,.55);}
.btn-primary:hover{box-shadow:0 16px 34px -10px rgba(255,138,61,.7);}
.btn-ghost{background:rgba(41,211,192,.06);color:var(--signal-cyan);border-color:rgba(41,211,192,.4);}
.btn-ghost:hover{background:rgba(41,211,192,.14);border-color:var(--signal-cyan);}
.btn-sm{padding:9px 16px;font-size:.78rem;border-radius:8px;}
.btn-wa{background:#1FAE58;color:#fff;}
.btn-wa:hover{box-shadow:0 12px 28px -10px rgba(31,174,88,.6);}
.btn-block{width:100%;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(14px);
  background:rgba(11,18,32,.72);
  border-bottom:1px solid var(--line);
}
/* Üst satır: firma adı (sol, kendine ait alan) + telefon/WhatsApp (sağ) */
.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;max-width:1280px;margin:0 auto;gap:16px;}
.brand{display:flex;align-items:center;gap:12px;color:var(--paper);flex:none;min-width:0;}
.brand-mark{width:46px;height:46px;flex:none;filter:drop-shadow(0 0 12px rgba(41,211,192,.4));}
.brand-text{display:flex;flex-direction:column;line-height:1.15;white-space:nowrap;}
.brand-main{font-family:var(--ff-display);font-weight:700;font-size:clamp(1.05rem,1.7vw,1.4rem);letter-spacing:.02em;text-transform:uppercase;color:var(--paper);white-space:nowrap;}
.brand-sub{display:block;font-family:var(--ff-mono);font-size:.62rem;letter-spacing:.1em;color:var(--signal-cyan);text-transform:uppercase;font-weight:600;margin-top:4px;white-space:nowrap;}
.nav-cta{display:flex;align-items:center;gap:12px;flex:none;}
.nav-tel{font-family:var(--ff-mono);font-size:.82rem;color:var(--paper);display:flex;align-items:center;gap:6px;white-space:nowrap;}
.nav-toggle{display:none;background:none;border:1px solid var(--line-strong);border-radius:8px;padding:8px;color:var(--paper);cursor:pointer;flex:none;}

/* Alt satır: menü — kendi tam genişliğine sahip, kelimeler asla alt alta bölünmez */
.nav-row{border-top:1px solid var(--line);}
.nav-links{display:flex;align-items:center;justify-content:center;gap:32px;list-style:none;margin:0 auto;padding:11px 24px;max-width:1280px;flex-wrap:wrap;}
.nav-links a{font-family:var(--ff-display);font-weight:600;font-size:.86rem;letter-spacing:.03em;text-transform:uppercase;color:var(--mist);transition:color .15s;white-space:nowrap;}
.nav-links a:hover,.nav-links a.active{color:var(--signal-cyan);}

@media (max-width:900px){
  .nav-row{padding:0;border-top:none;}
  .nav-links{position:fixed;top:66px;left:0;right:0;background:var(--void-navy-2);border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;padding:20px 24px;gap:18px;transform:translateY(-130%);transition:transform .25s ease;z-index:49;max-width:none;}
  .nav-links.open{transform:translateY(0);}
  .nav-toggle{display:block;}
  .nav-tel{display:none;}
}
@media (max-width:480px){
  .brand-main{font-size:.95rem;}
  .brand-sub{font-size:.52rem;letter-spacing:.06em;}
  .brand-mark{width:38px;height:38px;}
}

/* ---------- Hero ---------- */
.hero{position:relative;padding:80px 0 60px;overflow:hidden;min-height:78vh;display:flex;align-items:center;}
.hero-canvas-wrap{position:absolute;inset:0;z-index:0;}
.hero-canvas-wrap canvas{width:100%;height:100%;display:block;}
.hero-fade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,18,32,.15) 0%,rgba(11,18,32,.55) 65%,var(--void-navy) 100%);z-index:1;}
.hero-inner{position:relative;z-index:2;max-width:760px;}
.hero p.lead{font-size:1.15rem;color:var(--paper);opacity:.85;max-width:600px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:16px;margin-top:32px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:56px;}
.hero-stat b{display:block;font-family:var(--ff-display);font-size:2.1rem;color:var(--signal-cyan);line-height:1;}
.hero-stat span{font-size:.8rem;color:var(--mist);text-transform:uppercase;letter-spacing:.06em;}

/* ---------- Grids / Cards ---------- */
.grid{display:grid;gap:22px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
@media (max-width:920px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}}
@media (max-width:600px){.grid-3,.grid-4,.grid-2{grid-template-columns:1fr;}}

.card{
  background:linear-gradient(180deg,var(--panel-slate),var(--panel-slate-2));
  border:1px solid var(--line);border-radius:var(--radius);padding:28px;
  transition:border-color .2s,transform .2s,box-shadow .2s;
  position:relative;
}
.card:hover{border-color:rgba(41,211,192,.45);transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.card .icon{width:46px;height:46px;color:var(--signal-cyan);margin-bottom:16px;}
.card h3{margin-bottom:8px;}
.card p{margin-bottom:0;font-size:.94rem;}

.tag{
  display:inline-block;font-family:var(--ff-mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;
  padding:4px 10px;border-radius:6px;border:1px solid var(--line-strong);color:var(--mist);
}

/* ---------- Brand strip ---------- */
.brand-strip{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:center;}
.brand-chip{
  font-family:var(--ff-display);font-weight:700;font-size:1.1rem;letter-spacing:.06em;text-transform:uppercase;
  color:var(--paper);padding:14px 30px;border:1px solid var(--line-strong);border-radius:10px;
  background:rgba(255,255,255,.02);opacity:.85;transition:opacity .2s,border-color .2s;
}
.brand-chip:hover{opacity:1;border-color:var(--signal-cyan);}

/* ---------- Timeline (Hakkımızda) ---------- */
.timeline{position:relative;margin-left:12px;padding-left:34px;border-left:2px solid var(--line-strong);}
.timeline-item{position:relative;padding-bottom:40px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{content:"";position:absolute;left:-42px;top:2px;width:16px;height:16px;border-radius:50%;background:var(--void-navy);border:3px solid var(--rec-amber);}
.timeline-item b.year{font-family:var(--ff-mono);color:var(--signal-cyan);font-size:.85rem;letter-spacing:.08em;}
.timeline-item h4{margin:6px 0 6px;font-family:var(--ff-display);text-transform:uppercase;font-size:1.15rem;}

/* ---------- FAQ ---------- */
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;text-align:left;background:none;border:none;color:var(--paper);cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 4px;font-family:var(--ff-display);font-size:1.08rem;font-weight:600;letter-spacing:.01em;
}
.faq-q .plus{flex:none;width:22px;height:22px;position:relative;color:var(--signal-cyan);transition:transform .25s;}
.faq-item.open .faq-q .plus{transform:rotate(135deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-item.open .faq-a{max-height:400px;}
.faq-a p{padding:0 4px 22px;margin:0;}

/* ---------- Ürünler / filtreler ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px;}
.chip{
  font-family:var(--ff-mono);font-size:.78rem;letter-spacing:.04em;text-transform:uppercase;
  padding:9px 16px;border-radius:999px;border:1px solid var(--line-strong);color:var(--mist);cursor:pointer;background:none;transition:.18s;
}
.chip.active,.chip:hover{border-color:var(--signal-cyan);color:var(--signal-cyan);background:rgba(41,211,192,.08);}
.category-block{margin-bottom:58px;}
.category-block h2{display:flex;align-items:center;gap:14px;}
.category-block h2 .n{font-family:var(--ff-mono);color:var(--rec-amber);font-size:1rem;}
.product-card{display:flex;flex-direction:column;gap:14px;}
.product-visual{
  height:150px;border-radius:10px;background:radial-gradient(circle at 30% 20%,rgba(41,211,192,.18),transparent 60%),var(--void-navy-2);
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--signal-cyan);
}
.product-visual svg{width:58px;height:58px;}
.product-meta{display:flex;align-items:center;justify-content:space-between;font-family:var(--ff-mono);font-size:.72rem;color:var(--mist);text-transform:uppercase;letter-spacing:.06em;}
.product-model{font-family:var(--ff-mono);font-size:1.02rem;color:var(--paper);font-weight:600;}
.product-card .btn{margin-top:auto;}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);padding:56px 0 28px;background:var(--void-navy-2);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:40px;}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr;}}
.footer-grid h4{font-family:var(--ff-mono);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--signal-cyan);margin-bottom:16px;}
.footer-links{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:var(--mist);font-size:.92rem;}
.footer-links a:hover{color:var(--paper);}
.footer-bottom{border-top:1px solid var(--line);padding-top:22px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:.8rem;color:var(--mist);}

/* ---------- WhatsApp sabit buton ---------- */
.wa-fab{
  position:fixed;right:22px;bottom:22px;z-index:80;
  width:62px;height:62px;border-radius:50%;background:#1FAE58;color:#fff;
  display:flex;align-items:center;justify-content:center;box-shadow:0 14px 30px -8px rgba(31,174,88,.6);
  transition:transform .18s;
}
.wa-fab:hover{transform:scale(1.07);}
.wa-fab svg{width:30px;height:30px;}
.wa-fab-ring{position:absolute;inset:-6px;border-radius:50%;border:2px solid #1FAE58;opacity:.6;animation:wa-pulse 2.2s infinite;}
@keyframes wa-pulse{0%{transform:scale(.9);opacity:.6;}100%{transform:scale(1.55);opacity:0;}}

/* ---------- Sayfa başlığı (iç sayfalar) ---------- */
.page-hero{padding:150px 0 60px;position:relative;border-bottom:1px solid var(--line);}
.page-hero .eyebrow{margin-bottom:10px;}

/* ---------- Form ---------- */
.field{margin-bottom:18px;}
.field label{display:block;font-family:var(--ff-mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--mist);margin-bottom:8px;}
.field input,.field textarea,.field select{
  width:100%;background:var(--void-navy-2);border:1px solid var(--line-strong);border-radius:8px;
  padding:12px 14px;color:var(--paper);font-family:var(--ff-body);font-size:.95rem;
}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--signal-cyan);outline:none;}
.field textarea{min-height:120px;resize:vertical;}

/* ---------- Rozet / durum ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;font-family:var(--ff-mono);font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;padding:5px 10px;border-radius:6px;}
.badge-ok{background:rgba(61,220,151,.12);color:var(--ok);border:1px solid rgba(61,220,151,.35);}
.badge-warn{background:rgba(255,194,75,.12);color:var(--warn);border:1px solid rgba(255,194,75,.35);}
.badge-danger{background:rgba(255,91,110,.12);color:var(--danger);border:1px solid rgba(255,91,110,.35);}

/* ---------- Admin panel ---------- */
.admin-body{background:var(--void-navy);min-height:100vh;}
.admin-login{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;}
.admin-login-box{width:100%;max-width:380px;background:var(--panel-slate);border:1px solid var(--line);border-radius:var(--radius);padding:36px;box-shadow:var(--shadow-lg);}
.admin-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh;}
@media (max-width:820px){.admin-shell{grid-template-columns:1fr;}.admin-side{position:sticky;top:0;z-index:10;}}
.admin-side{background:var(--void-navy-2);border-right:1px solid var(--line);padding:24px 18px;display:flex;flex-direction:column;gap:6px;}
.admin-side a,.admin-side button.side-link{display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:8px;color:var(--mist);font-family:var(--ff-display);font-weight:600;letter-spacing:.03em;text-transform:uppercase;font-size:.86rem;background:none;border:none;width:100%;text-align:left;cursor:pointer;}
.admin-side a.active,.admin-side button.side-link.active,.admin-side a:hover,.admin-side button.side-link:hover{background:rgba(41,211,192,.08);color:var(--signal-cyan);}
.admin-main{padding:32px clamp(18px,3vw,44px);}
.admin-topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;flex-wrap:wrap;gap:14px;}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:32px;}
@media (max-width:900px){.stat-row{grid-template-columns:repeat(2,1fr);}}
.stat-card{background:var(--panel-slate);border:1px solid var(--line);border-radius:12px;padding:20px;}
.stat-card b{display:block;font-family:var(--ff-display);font-size:1.9rem;color:var(--paper);}
.stat-card span{font-size:.76rem;color:var(--mist);text-transform:uppercase;letter-spacing:.06em;}
.panel-block{background:var(--panel-slate);border:1px solid var(--line);border-radius:12px;padding:22px;margin-bottom:24px;}
.panel-block h3{margin-bottom:16px;}
.table-wrap{overflow-x:auto;}
table.crm-table{width:100%;border-collapse:collapse;font-size:.88rem;}
table.crm-table th{text-align:left;font-family:var(--ff-mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--mist);padding:10px 12px;border-bottom:1px solid var(--line-strong);}
table.crm-table td{padding:12px;border-bottom:1px solid var(--line);vertical-align:top;}
table.crm-table tr.clickable{cursor:pointer;}
table.crm-table tr.clickable:hover{background:rgba(41,211,192,.05);}
.cust-detail{display:none;background:var(--void-navy-2);border-radius:10px;padding:16px 18px;margin-top:-1px;border:1px solid var(--line);}
.cust-detail.open{display:block;}
.cust-detail dl{display:grid;grid-template-columns:140px 1fr;gap:8px 14px;margin:0;font-size:.86rem;}
.cust-detail dt{color:var(--mist);font-family:var(--ff-mono);font-size:.72rem;text-transform:uppercase;}
.cust-detail dd{margin:0;color:var(--paper);}
.toolbar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;margin-bottom:18px;}
.search-input{max-width:280px;}
.small-note{font-size:.78rem;color:var(--mist);}
.security-note{border:1px dashed rgba(255,138,61,.5);background:rgba(255,138,61,.06);border-radius:10px;padding:16px 18px;font-size:.85rem;color:var(--mist);}
.security-note b{color:var(--rec-amber);}
.modal-backdrop{position:fixed;inset:0;background:rgba(4,7,14,.72);display:none;align-items:center;justify-content:center;z-index:90;padding:20px;}
.modal-backdrop.open{display:flex;}
.modal{width:100%;max-width:520px;background:var(--panel-slate);border:1px solid var(--line);border-radius:14px;padding:28px;max-height:90vh;overflow:auto;}
.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.close-x{background:none;border:1px solid var(--line-strong);border-radius:8px;width:34px;height:34px;color:var(--paper);cursor:pointer;}