/* ==========================================================================
   DOKU SOFT — Tasarım Token'ları
   Palet:  Ocean Deep #0A2540 · Sky #0EA5E9 · Sky Bright #38BDF8
           Sky Mist #EAF6FD · Cloud #FFFFFF · Signal Green #22C55E
           Amber #F59E0B · Slate #5B7285
   Tipografi: Space Grotesk (başlık) · Inter (gövde) · IBM Plex Mono (veri)
   ========================================================================== */

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

:root{
  --ocean-deep:#0A2540;
  --ocean-deep-2:#0F3255;
  --sky:#0EA5E9;
  --sky-bright:#38BDF8;
  --sky-mist:#EAF6FD;
  --cloud:#FFFFFF;
  --signal-green:#16A34A;
  --signal-green-bg:#E7F7EC;
  --amber:#F59E0B;
  --slate:#5B7285;
  --slate-light:#8CA0B3;
  --border:#DCEBF6;
  --shadow-sky: 0 20px 60px -20px rgba(14,165,233,.35);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth; overflow-x:hidden;}
body{
  margin:0;
  font-family:'Inter',sans-serif;
  color:var(--ocean-deep);
  background:var(--cloud);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{
  font-family:'Space Grotesk',sans-serif;
  margin:0 0 .5em;
  line-height:1.15;
  letter-spacing:-.01em;
}
p{line-height:1.7; color:var(--slate); margin:0 0 1em;}
a{color:inherit; text-decoration:none;}
img{max-width:100%; display:block;}
.mono{font-family:'IBM Plex Mono',monospace;}

.container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 24px;
}

/* Focus visibility for accessibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:3px solid var(--sky-bright);
  outline-offset:2px;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:14px 28px;
  border-radius:999px;
  font-weight:600;
  font-size:15px;
  cursor:pointer;
  border:2px solid transparent;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{
  background:linear-gradient(135deg, var(--sky), var(--sky-bright));
  color:#fff;
  box-shadow:var(--shadow-sky);
}
.btn-primary:hover{box-shadow:0 24px 70px -18px rgba(14,165,233,.5);}
.btn-ghost{
  background:transparent;
  border-color:var(--border);
  color:var(--ocean-deep);
}
.btn-ghost:hover{border-color:var(--sky); color:var(--sky);}
.btn-block{width:100%; justify-content:center;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(255,255,255,.85);
  border-bottom:1px solid var(--border);
}
/* Blur efekti ayrı bir katmanda: böylece .site-header'da transform/filter
   oluşmuyor ve içindeki position:fixed .nav-links viewport'a göre konumlanmaya devam ediyor */
.site-header::before{
  content:'';
  position:absolute; inset:0;
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  z-index:-1;
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
}
.brand{display:flex; align-items:center; gap:10px;}
.brand img{height:66px; width:auto;}
@media(max-width:600px){
  .brand img{height:44px;}
}
.brand-name{font-family:'Space Grotesk'; font-weight:700; font-size:19px; color:var(--ocean-deep);}
.brand-tag{display:block; font-size:10px; letter-spacing:.14em; color:var(--sky); font-weight:600;}
.nav-links{display:flex; gap:32px; align-items:center;}
.nav-links > a{font-weight:500; font-size:15px; color:var(--ocean-deep-2); transition:color .15s;}
.nav-links > a:hover{color:var(--sky);}
.nav-actions{display:flex; gap:12px; align-items:center;}
.nav-toggle{display:none; background:none; border:none; cursor:pointer;}
.nav-toggle svg{transition:transform .2s ease;}
body.nav-open .nav-toggle svg{transform:rotate(90deg);}

/* Scroll offset so sticky header doesn't cover anchored sections/cards */
section[id], .card[id], .protect-banner[id]{scroll-margin-top:90px;}

/* ---------- Hizmetler dropdown ---------- */
.nav-item{position:relative;}
.nav-dropdown-trigger{
  display:flex; align-items:center; gap:6px;
  background:none; border:none; cursor:pointer;
  font-family:'Inter'; font-weight:500; font-size:15px; color:var(--ocean-deep-2);
  padding:0;
}
.nav-dropdown-trigger:hover{color:var(--sky);}
.nav-dropdown-trigger .chev{transition:transform .2s ease;}
.nav-item:hover .nav-dropdown-trigger .chev,
.nav-item.open .nav-dropdown-trigger .chev{transform:rotate(180deg);}

.nav-item{
  position:relative;
  padding-bottom:20px;   /* köprü: fare burada gezerken hover kesilmez */
  margin-bottom:-20px;
}

.dropdown-menu{
  position:absolute; top:calc(100% + 6px); left:50%;
  transform:translateX(-50%) translateY(8px);
  background:#fff; border:1px solid var(--border); border-radius:var(--radius-md);
  box-shadow:0 30px 70px -25px rgba(10,37,64,.3);
  padding:10px; width:320px;
  display:grid; gap:2px;
  max-height:min(70vh, 560px); overflow-y:auto;
  opacity:0; visibility:hidden; pointer-events:none;
  transition:opacity .18s ease, transform .18s ease, visibility 0s linear .18s;
  z-index:50;
}
.nav-item:hover .dropdown-menu,
.nav-item.open .dropdown-menu{
  transition:opacity .18s ease, transform .18s ease, visibility 0s linear 0s;
}
.nav-item:hover .dropdown-menu,
.nav-item.open .dropdown-menu{
  opacity:1; visibility:visible; pointer-events:auto; transform:translateX(-50%) translateY(0);
}
.dropdown-menu a{
  display:flex; flex-direction:column; gap:2px;
  padding:11px 14px; border-radius:10px; transition:background .15s;
}
.dropdown-menu a:hover{background:var(--sky-mist);}
.dropdown-menu .dd-title{font-size:14px; font-weight:600; color:var(--ocean-deep);}
.dropdown-menu .dd-desc{font-size:12.5px; color:var(--slate);}

@media(max-width:900px){
  .dropdown-menu{
    position:static; transform:none; opacity:1; visibility:visible; pointer-events:auto;
    box-shadow:none; border:none; width:100%; padding:6px 0 6px 14px;
    max-height:0; overflow:hidden; display:block;
  }
  .nav-item.open .dropdown-menu{max-height:600px;}
  .nav-item:hover .dropdown-menu,
  .nav-item.open .dropdown-menu{
    transform:none;
  }
  .nav-dropdown-trigger{width:100%; justify-content:center; padding:4px 0;}
}

@media(max-width:900px){
  .nav-links{
    position:fixed; top:94px; left:0; right:0; bottom:0;
    background:#fff; flex-direction:column;
    padding:32px 24px; gap:22px;
    border-top:1px solid var(--border); overflow-y:auto;
    opacity:0; visibility:hidden; pointer-events:none;
    transition:opacity .25s ease, visibility 0s linear .25s;
  }
  .nav-links.open{
    opacity:1; visibility:visible; pointer-events:auto;
    transition:opacity .25s ease, visibility 0s linear 0s;
  }
  .nav-toggle{display:block;}
}
body.nav-open{overflow:hidden;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  padding:88px 0 100px;
  background:
    radial-gradient(1100px 500px at 85% -10%, var(--sky-mist), transparent 60%),
    linear-gradient(180deg,#fff 0%,#fff 60%,var(--sky-mist) 100%);
}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr; gap:40px;}
  .hero{padding:64px 0 72px;}
}
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-size:13px; font-weight:600; color:var(--sky);
  background:var(--sky-mist); padding:7px 14px; border-radius:999px;
  margin-bottom:20px;
}
.eyebrow::before{content:''; width:7px; height:7px; border-radius:50%; background:var(--signal-green); box-shadow:0 0 0 4px var(--signal-green-bg);}
.hero h1{font-size:clamp(34px,4.4vw,54px); color:var(--ocean-deep);}
.hero h1 span{color:var(--sky);}
.hero-sub{font-size:18px; max-width:520px; margin-bottom:32px;}
.hero-cta{display:flex; gap:14px; flex-wrap:wrap; margin-bottom:36px;}
.hero-stats{display:flex; gap:36px; flex-wrap:wrap;}
.hero-stats div strong{display:block; font-family:'Space Grotesk'; font-size:26px; color:var(--ocean-deep);}
.hero-stats div span{font-size:13px; color:var(--slate);}

/* Signature element: live backup status panel mock */
.status-panel{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:0 30px 80px -30px rgba(10,37,64,.25);
  padding:26px;
  position:relative;
}
.status-panel::before{
  content:'';
  position:absolute; inset:-1px;
  border-radius:var(--radius-lg);
  padding:1px;
  background:linear-gradient(135deg,var(--sky-bright),transparent 40%);
  -webkit-mask:linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor; mask-composite:exclude;
  pointer-events:none;
}
.status-panel-head{display:flex; align-items:center; justify-content:space-between; margin-bottom:18px;}
.status-panel-head h4{font-size:15px; margin:0; color:var(--ocean-deep);}
.pulse-dot{width:10px; height:10px; border-radius:50%; background:var(--signal-green); position:relative;}
.pulse-dot::after{
  content:''; position:absolute; inset:-6px; border-radius:50%;
  border:2px solid var(--signal-green); opacity:.55;
  animation:pulse 2s ease-out infinite;
}
@keyframes pulse{0%{transform:scale(.6); opacity:.7;} 100%{transform:scale(1.9); opacity:0;}}
.status-row{
  display:flex; align-items:center; justify-content:space-between;
  padding:13px 0; border-top:1px dashed var(--border);
  font-size:14px;
}
.status-row:first-of-type{border-top:none;}
.status-row .label{color:var(--slate); display:flex; align-items:center; gap:8px;}
.status-badge{
  font-family:'IBM Plex Mono'; font-size:12px; font-weight:600;
  padding:4px 10px; border-radius:999px;
}
.status-badge.ok{background:var(--signal-green-bg); color:var(--signal-green);}
.status-badge.info{background:var(--sky-mist); color:var(--sky);}
.status-foot{
  margin-top:16px; padding-top:16px; border-top:1px solid var(--border);
  display:flex; align-items:center; justify-content:space-between;
}
.progress-track{flex:1; height:6px; background:var(--sky-mist); border-radius:99px; margin-right:12px; overflow:hidden;}
.progress-fill{height:100%; width:100%; background:linear-gradient(90deg,var(--sky),var(--signal-green)); border-radius:99px;}

/* ---------- Section shells ---------- */
section{padding:96px 0;}
.section-head{max-width:640px; margin:0 auto 56px; text-align:center;}
.section-eyebrow{color:var(--sky); font-weight:600; font-size:13px; letter-spacing:.12em; text-transform:uppercase; margin-bottom:10px; display:block;}
.section-head h2{font-size:clamp(26px,3.2vw,38px); color:var(--ocean-deep);}
.bg-mist{background:var(--sky-mist);}

/* ---------- Feature / service cards ---------- */
.grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:24px;}
.grid-2{display:grid; grid-template-columns:repeat(2,1fr); gap:24px;}
@media(max-width:900px){.grid-3{grid-template-columns:1fr 1fr;} }
@media(max-width:640px){.grid-3, .grid-2{grid-template-columns:1fr;}}

.card{
  background:#fff; border:1px solid var(--border); border-radius:var(--radius-lg);
  padding:30px; transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover{transform:translateY(-6px); box-shadow:var(--shadow-sky); border-color:transparent;}
.card-icon{
  width:52px; height:52px; border-radius:14px;
  background:var(--sky-mist); color:var(--sky);
  display:flex; align-items:center; justify-content:center; margin-bottom:18px;
}
.card h3{font-size:19px; margin-bottom:8px; color:var(--ocean-deep);}
.card p{font-size:14.5px; margin-bottom:0;}

.card.dark{background:var(--ocean-deep); border-color:var(--ocean-deep);}
.card.dark h3, .card.dark p{color:#fff;}
.card.dark p{color:#B9CEE0;}
.card.dark .card-icon{background:rgba(255,255,255,.1); color:var(--sky-bright);}

/* ---------- Protection banner ---------- */
.protect-banner{
  background:linear-gradient(135deg, var(--ocean-deep), var(--ocean-deep-2));
  border-radius:var(--radius-lg);
  padding:48px;
  display:grid; grid-template-columns:1.2fr 1fr; gap:40px; align-items:center;
  color:#fff;
}
.protect-banner h2{color:#fff; font-size:28px;}
.protect-banner p{color:#B9CEE0;}
.protect-list{list-style:none; margin:0; padding:0; display:grid; gap:14px;}
.protect-list li{display:flex; gap:12px; align-items:flex-start; font-size:15px; color:#E7F1FA;}
.protect-list li svg{flex-shrink:0; margin-top:2px;}
@media(max-width:800px){.protect-banner{grid-template-columns:1fr;}}

/* ---------- Process / how it works ---------- */
.process{display:grid; grid-template-columns:repeat(4,1fr); gap:20px; counter-reset:step;}
@media(max-width:900px){.process{grid-template-columns:1fr 1fr;}}
@media(max-width:560px){.process{grid-template-columns:1fr;}}
.process-step{position:relative; padding:26px 22px; border:1px solid var(--border); border-radius:var(--radius-md);}
.process-step .num{
  font-family:'Space Grotesk'; font-weight:700; font-size:13px; color:var(--sky);
  background:var(--sky-mist); width:30px; height:30px; border-radius:50%;
  display:flex; align-items:center; justify-content:center; margin-bottom:14px;
}
.process-step h4{font-size:16px; margin-bottom:6px;}
.process-step p{font-size:13.5px; margin:0;}

/* ---------- About ---------- */
.about-grid{display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center;}
@media(max-width:860px){.about-grid{grid-template-columns:1fr;}}
.about-figures{display:grid; grid-template-columns:1fr 1fr; gap:18px; margin-top:26px;}
.figure-box{border:1px solid var(--border); border-radius:var(--radius-md); padding:20px;}
.figure-box strong{display:block; font-family:'Space Grotesk'; font-size:24px; color:var(--sky);}
.figure-box span{font-size:13px; color:var(--slate);}

/* ---------- Contact ---------- */
.contact-grid{display:grid; grid-template-columns:.9fr 1.1fr; gap:48px;}
@media(max-width:860px){.contact-grid{grid-template-columns:1fr;}}
.contact-info-item{display:flex; gap:14px; margin-bottom:24px;}
.contact-info-item .icon{
  width:42px; height:42px; border-radius:12px; background:var(--sky-mist); color:var(--sky);
  display:flex; align-items:center; justify-content:center; flex-shrink:0;
}
.contact-info-item h4{font-size:15px; margin-bottom:2px;}
.contact-info-item p{margin:0; font-size:14px;}

.form-card{background:#fff; border:1px solid var(--border); border-radius:var(--radius-lg); padding:36px; box-shadow:0 30px 70px -35px rgba(10,37,64,.25);}
.form-row{display:grid; grid-template-columns:1fr 1fr; gap:16px;}
@media(max-width:560px){.form-row{grid-template-columns:1fr;}}
.field{margin-bottom:18px;}
.field label{display:block; font-size:13px; font-weight:600; margin-bottom:7px; color:var(--ocean-deep);}
.field input, .field textarea, .field select{
  width:100%; padding:13px 15px; border-radius:var(--radius-sm);
  border:1px solid var(--border); font-family:'Inter'; font-size:14.5px; color:var(--ocean-deep);
  background:#F9FCFE; transition:border-color .15s, background .15s;
}
.field input:focus, .field textarea:focus, .field select:focus{
  border-color:var(--sky); background:#fff; outline:none;
}
.field textarea{resize:vertical; min-height:120px;}
.form-note{font-size:12.5px; color:var(--slate-light); margin-top:10px;}
.alert{padding:14px 18px; border-radius:var(--radius-sm); font-size:14px; margin-bottom:20px;}
.alert-success{background:var(--signal-green-bg); color:var(--signal-green); border:1px solid #BEE9CC;}
.alert-error{background:#FDECEC; color:#C0392B; border:1px solid #F6C9C6;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ocean-deep); color:#B9CEE0; padding:64px 0 28px;}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1.1fr; gap:40px; margin-bottom:48px;}
@media(max-width:800px){.footer-grid{grid-template-columns:1fr 1fr;}}
.site-footer h4{color:#fff; font-size:14px; margin-bottom:16px;}
.site-footer .brand-name{color:#fff;}
.footer-links{list-style:none; margin:0; padding:0; display:grid; gap:10px;}
.footer-links a{font-size:14px; color:#B9CEE0; transition:color .15s;}
.footer-links a:hover{color:var(--sky-bright);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1); padding-top:24px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; font-size:13px; color:#7C93A8;}

/* ---------- Auth pages (panel/admin login) ---------- */
.auth-wrap{
  min-height:100vh; display:flex; align-items:center; justify-content:center;
  background:linear-gradient(160deg, var(--ocean-deep), var(--ocean-deep-2));
  padding:24px;
}
.auth-card{
  background:#fff; border-radius:var(--radius-lg); padding:40px; width:100%; max-width:420px;
  box-shadow:0 40px 90px -30px rgba(0,0,0,.5);
}
.auth-logo{display:flex; align-items:center; gap:10px; justify-content:center; margin-bottom:24px;}
.auth-logo img{height:44px;}
.auth-card h2{text-align:center; font-size:22px; margin-bottom:6px;}
.auth-card > p{text-align:center; font-size:14px; margin-bottom:26px;}
.auth-back{display:block; text-align:center; margin-top:18px; font-size:13.5px; color:var(--sky); font-weight:600;}
.demo-hint{background:var(--sky-mist); border-radius:var(--radius-sm); padding:12px 14px; font-size:12.5px; color:var(--ocean-deep-2); margin-top:18px; font-family:'IBM Plex Mono';}

/* ---------- Dashboard (panel & admin) ---------- */
.dash-shell{display:flex; min-height:100vh; background:#F5FAFD;}
.dash-sidebar{
  width:250px; background:var(--ocean-deep); color:#fff; flex-shrink:0;
  display:flex; flex-direction:column; padding:26px 20px;
}
.dash-sidebar .brand{margin-bottom:36px;}
.dash-sidebar .brand-name{color:#fff;}
.dash-nav{list-style:none; margin:0; padding:0; display:grid; gap:4px; flex:1;}
.dash-nav a{display:flex; align-items:center; gap:10px; padding:11px 14px; border-radius:10px; font-size:14.5px; color:#B9CEE0; font-weight:500;}
.dash-nav a:hover, .dash-nav a.active{background:rgba(255,255,255,.08); color:#fff;}
.dash-logout{margin-top:auto; padding-top:20px; border-top:1px solid rgba(255,255,255,.1);}
.dash-logout a{color:#F6A9A0; font-size:14px; font-weight:600;}
.dash-main{flex:1; padding:36px 40px; max-width:1100px;}
.dash-topbar{display:flex; justify-content:space-between; align-items:center; margin-bottom:32px;}
.dash-topbar h1{font-size:24px; margin:0;}
.dash-topbar p{margin:4px 0 0;}
.kpi-row{display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-bottom:32px;}
@media(max-width:760px){.kpi-row{grid-template-columns:1fr;}}
.kpi-card{background:#fff; border:1px solid var(--border); border-radius:var(--radius-md); padding:22px;}
.kpi-card span.label{font-size:13px; color:var(--slate);}
.kpi-card strong{display:block; font-family:'Space Grotesk'; font-size:28px; margin-top:6px; color:var(--ocean-deep);}
.kpi-card.green strong{color:var(--signal-green);}

.table-card{background:#fff; border:1px solid var(--border); border-radius:var(--radius-md); overflow:hidden;}
table{width:100%; border-collapse:collapse; font-size:14px;}
thead th{
  text-align:left; padding:14px 20px; font-size:12px; text-transform:uppercase; letter-spacing:.06em;
  color:var(--slate); background:#F7FBFD; border-bottom:1px solid var(--border);
}
tbody td{padding:15px 20px; border-bottom:1px solid var(--border); color:var(--ocean-deep-2);}
tbody tr:last-child td{border-bottom:none;}
.pill{font-family:'IBM Plex Mono'; font-size:12px; font-weight:600; padding:4px 10px; border-radius:999px; display:inline-block;}
.pill.basarili{background:var(--signal-green-bg); color:var(--signal-green);}
.pill.uyari{background:#FEF3E2; color:var(--amber);}
.pill.basarisi,.pill.basarisiz{background:#FDECEC; color:#C0392B;}

@media(max-width:820px){
  .dash-shell{flex-direction:column;}
  .dash-sidebar{width:100%; flex-direction:row; align-items:center; padding:16px 20px;}
  .dash-nav{display:none;}
  .dash-main{padding:24px;}
}

/* ---------- WhatsApp floating button ---------- */
.whatsapp-float{
  position:fixed;
  bottom:24px;
  right:24px;
  width:58px; height:58px;
  border-radius:50%;
  background:linear-gradient(135deg,#25D366,#128C7E);
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 14px 34px -8px rgba(18,140,126,.55);
  z-index:200;
  transition:transform .2s ease, box-shadow .2s ease;
}
.whatsapp-float:hover{transform:translateY(-4px) scale(1.05); box-shadow:0 18px 40px -8px rgba(18,140,126,.65);}
.whatsapp-float::before{
  content:'';
  position:absolute; inset:-6px; border-radius:50%;
  border:2px solid #25D366; opacity:.5;
  animation:pulse 2.2s ease-out infinite;
}
@media(max-width:600px){
  .whatsapp-float{width:52px; height:52px; bottom:18px; right:18px;}
}

/* Utility */
.text-center{text-align:center;}
.mt-0{margin-top:0;}