/* ===== inşaat.digital — Saf & Elektrik Mavi =====
   Beyaz zemin · Antrasit metin (#0F172A) · Elektrik mavi vurgu (#2563EB)
   Ultra-sade, bol boşluk, teknik netlik. Framework yok. */

:root{
  --bg:#FFFFFF;
  --ink:#0F172A;        /* antrasit */
  --muted:#64748B;
  --line:#E2E8F0;
  --soft:#F8FAFC;
  --accent:#2563EB;     /* elektrik mavi */
  --accent-ink:#1D4ED8;
  --accent-soft:#EFF4FF;
  --ok:#16A34A; --ok-soft:#ECFDF3;
  --warn:#D97706; --warn-soft:#FFF7ED;
  --bad:#DC2626; --bad-soft:#FEF2F2;
  --radius:14px;
  --shadow:0 1px 2px rgba(15,23,42,.04), 0 8px 24px rgba(15,23,42,.06);
  --maxw:1120px;
}

*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none !important}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,"Segoe UI",Roboto,Inter,system-ui,sans-serif;
  color:var(--ink);background:var(--bg);
  line-height:1.6;-webkit-font-smoothing:antialiased;
}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.15;letter-spacing:-.02em;font-weight:700}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  background:var(--soft);border:1px solid var(--line);border-radius:5px;
  padding:1px 6px;font-size:.9em}
.accent{color:var(--accent)}
.muted{color:var(--muted)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;font-size:15px;border-radius:9px;padding:12px 22px;
  cursor:pointer;border:1px solid transparent;transition:.15s ease;white-space:nowrap}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-ink)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink)}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{width:30px;height:30px;display:block}
.brand-text{font-weight:800;font-size:19px;letter-spacing:-.03em}
.brand-text .dot{color:var(--accent)}
.brand-text-light{color:#fff}
.brand-text-light .dot{color:#60A5FA}
.nav{display:flex;align-items:center;gap:26px}
.nav a{font-size:15px;color:var(--muted);font-weight:500}
.nav a:hover{color:var(--ink)}
.nav a.btn{color:var(--ink)}
.nav .btn-primary{color:#fff}
.user-chip{display:inline-flex;align-items:center;gap:10px}
.user-email{font-size:13px;font-weight:600;color:var(--ink);background:var(--accent-soft);
  border:1px solid #BFDBFE;border-radius:999px;padding:6px 13px;max-width:220px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- Hero ---------- */
.hero{padding:84px 0 72px;border-bottom:1px solid var(--line);
  background:radial-gradient(1100px 500px at 78% -8%, var(--accent-soft), transparent 60%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{color:var(--accent);font-weight:700;font-size:13px;letter-spacing:.14em;margin-bottom:18px}
.hero h1{font-size:clamp(34px,5vw,56px);font-weight:800}
.lede{font-size:19px;color:var(--muted);margin:22px 0 30px;max-width:36em}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.format-chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.chip{font-size:13px;color:var(--muted);background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:6px 14px;font-weight:500}
.invite-badge{display:inline-flex;align-items:center;gap:9px;margin-top:30px;
  font-size:14px;color:var(--muted);background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:9px 18px}
.invite-badge svg{width:16px;height:16px;flex:none;fill:none;stroke:var(--accent);
  stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.invite-badge strong{color:var(--ink)}
.invite-badge a{color:var(--accent);font-weight:600;margin-left:2px}
.hero-art svg{width:100%;height:auto;filter:drop-shadow(0 18px 40px rgba(15,23,42,.10))}

/* ---------- Sections ---------- */
.section{padding:84px 0}
.section-soft{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.kicker{color:var(--accent);font-weight:700;font-size:13px;letter-spacing:.14em;text-align:center}
.section-title{text-align:center;font-size:clamp(26px,3.4vw,36px);margin:12px 0 48px}
.section-sub{text-align:center;color:var(--muted);font-size:16px;max-width:44em;
  margin:-30px auto 42px}

/* ---------- Feature cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;transition:.18s ease}
.card:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:#CBD5E1}
.card h3{font-size:18px;margin:16px 0 8px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.card p{color:var(--muted);font-size:15px}
.ic{width:46px;height:46px;border-radius:11px;background:var(--accent-soft);
  display:flex;align-items:center;justify-content:center}
.ic svg{width:24px;height:24px;fill:none;stroke:var(--accent);stroke-width:1.9;
  stroke-linecap:round;stroke-linejoin:round}
.card-soon{background:linear-gradient(180deg,#fff,var(--soft))}
.soon{font-size:11px;font-weight:700;letter-spacing:.04em;color:var(--accent);
  background:var(--accent-soft);border-radius:999px;padding:2px 9px}

/* tool cards: status badges + flagship */
.card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.badge{font-size:11px;font-weight:700;letter-spacing:.04em;border-radius:999px;
  padding:4px 11px;white-space:nowrap}
.badge-live{background:var(--ok-soft);color:var(--ok)}
.badge-soon{background:var(--accent-soft);color:var(--accent)}
.badge-dev{background:var(--warn-soft);color:var(--warn)}
.card-live{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent), var(--shadow)}
.card-roadmap{background:linear-gradient(180deg,#fff,var(--soft));border-style:dashed}
.card-link{display:inline-block;margin-top:12px;font-size:14px;font-weight:700;color:var(--accent)}
.card-link:hover{color:var(--accent-ink)}

/* auth gate over the tool */
.auth-gate{border:1px solid var(--line);border-radius:18px;background:#fff;
  padding:52px 24px;text-align:center;box-shadow:var(--shadow)}
.gate-icon{width:46px;height:46px;fill:none;stroke:var(--accent);stroke-width:1.8;
  stroke-linecap:round;stroke-linejoin:round;margin-bottom:14px}
.auth-gate h3{font-size:19px;margin-bottom:8px}
.auth-gate p{color:var(--muted);font-size:15px;max-width:34em;margin:0 auto 22px}
.auth-gate a{color:var(--accent);font-weight:600}

/* invite / early access */
.invite-wrap{max-width:880px}
.invite-box{display:flex;gap:26px;align-items:flex-start;background:var(--soft);
  border:1px solid var(--line);border-radius:var(--radius);padding:36px}
.invite-icon{width:44px;height:44px;flex:none;fill:none;stroke:var(--accent);
  stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;margin-top:4px}
.invite-box h2{font-size:22px;margin:6px 0 10px}
.invite-box p{color:var(--muted);font-size:15px}
.invite-box strong{color:var(--ink)}

/* login modal */
.modal-backdrop{position:fixed;inset:0;z-index:100;background:rgba(15,23,42,.45);
  backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;padding:20px}
.modal{position:relative;background:#fff;border-radius:18px;max-width:400px;width:100%;
  padding:38px 34px 30px;text-align:center;box-shadow:0 24px 64px rgba(15,23,42,.25)}
.modal-close{position:absolute;top:12px;right:16px;background:none;border:none;
  font-size:26px;color:var(--muted);cursor:pointer;line-height:1}
.modal-close:hover{color:var(--ink)}
.modal-mark{width:44px;height:44px;margin-bottom:14px}
.modal h3{font-size:20px;margin-bottom:8px}
.modal-sub{color:var(--muted);font-size:14px;margin-bottom:24px}
.btn-google{width:100%;background:#fff;color:var(--ink);border:1px solid var(--line);
  font-weight:600;padding:12px 18px}
.btn-google:hover{border-color:var(--ink)}
.btn-google svg{width:20px;height:20px}
.login-err{margin-top:14px;font-size:13.5px;color:var(--bad);background:var(--bad-soft);
  border:1px solid #FECACA;border-radius:9px;padding:10px 14px}
.modal-fine{margin-top:18px;font-size:12px;color:var(--muted)}

/* admin modal */
.modal-wide{max-width:640px;text-align:left}
.modal-wide h3{text-align:left}
.modal-wide .modal-sub{text-align:left}
.mailer-state{font-weight:600}
.mailer-state.on{color:var(--ok)}
.mailer-state.off{color:var(--warn)}
.invite-form{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:6px}
.invite-form input[type="email"]{flex:1;min-width:200px;border:1px solid var(--line);
  border-radius:9px;padding:10px 14px;font-size:14px;font-family:inherit;color:var(--ink)}
.invite-form input[type="email"]:focus{outline:none;border-color:var(--accent)}
.send-mail-label{display:inline-flex;align-items:center;gap:7px;font-size:13px;
  color:var(--muted);white-space:nowrap;cursor:pointer}
.admin-msg{font-size:13.5px;border-radius:9px;padding:10px 14px;margin:8px 0 0}
.admin-msg.ok{color:var(--ok);background:var(--ok-soft);border:1px solid #BBF7D0}
.admin-msg.warn{color:#9A3412;background:var(--warn-soft);border:1px solid #FED7AA}
.admin-msg.err{color:var(--bad);background:var(--bad-soft);border:1px solid #FECACA}
.admin-table-wrap{margin-top:18px;max-height:330px;overflow-y:auto;
  border:1px solid var(--line);border-radius:11px}
.admin-table{width:100%;border-collapse:collapse;font-size:13.5px}
.admin-table th{position:sticky;top:0;background:var(--soft);text-align:left;
  font-size:11.5px;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);
  padding:9px 12px;border-bottom:1px solid var(--line)}
.admin-table td{padding:9px 12px;border-bottom:1px solid var(--line);color:var(--ink)}
.admin-table tr:last-child td{border-bottom:none}
.st{font-size:11.5px;font-weight:700;border-radius:999px;padding:3px 10px;white-space:nowrap}
.st-on{background:var(--ok-soft);color:var(--ok)}
.st-off{background:var(--bad-soft);color:var(--bad)}
.st-adm{background:var(--accent-soft);color:var(--accent)}
.btn-mini{font-size:12px;font-weight:600;border:1px solid var(--line);background:#fff;
  border-radius:7px;padding:5px 10px;cursor:pointer;color:var(--bad)}
.btn-mini:hover{border-color:var(--bad)}
.btn-mini.re{color:var(--accent)}
.btn-mini.re:hover{border-color:var(--accent)}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.step-no{display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;background:var(--ink);color:#fff;
  font-weight:800;font-size:17px;margin-bottom:16px}
.step h3{font-size:18px;margin-bottom:6px}
.step p{color:var(--muted);font-size:15px}
.note{margin-top:34px;text-align:center;color:var(--muted);font-size:14px;
  max-width:62em;margin-left:auto;margin-right:auto}

/* ---------- Tool ---------- */
.tool{max-width:880px;margin:0 auto}
.dropzone{border:2px dashed #CBD5E1;border-radius:18px;background:var(--soft);
  padding:54px 24px;text-align:center;cursor:pointer;transition:.15s ease}
.dropzone:hover,.dropzone:focus-visible{border-color:var(--accent);background:var(--accent-soft);outline:none}
.dropzone.drag{border-color:var(--accent);background:var(--accent-soft);transform:scale(1.005)}
.dz-icon{width:44px;height:44px;fill:none;stroke:var(--accent);stroke-width:1.8;
  stroke-linecap:round;stroke-linejoin:round;margin-bottom:14px}
.dz-title{font-size:17px;font-weight:600}
.dz-sub{color:var(--muted);font-size:14px;margin-top:6px}

.status{margin-top:18px;padding:14px 18px;border-radius:11px;font-size:15px;font-weight:500}
.status.info{background:var(--accent-soft);color:var(--accent-ink);border:1px solid #BFDBFE}
.status.error{background:var(--bad-soft);color:var(--bad);border:1px solid #FECACA}
.status.busy{background:var(--soft);color:var(--muted);border:1px solid var(--line)}

.result{margin-top:22px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.result-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap}
.result-head h3{font-size:20px}
.result-actions{display:flex;gap:10px}

.counts{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.count{background:var(--soft);border:1px solid var(--line);border-radius:10px;
  padding:10px 14px;min-width:92px}
.count b{display:block;font-size:20px;font-weight:800}
.count span{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}

.panel{margin-top:26px;border-top:1px solid var(--line);padding-top:22px}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.panel-head h4{font-size:16px}

.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.metric{background:var(--soft);border:1px solid var(--line);border-radius:11px;padding:14px}
.metric .lab{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.metric .val{font-size:21px;font-weight:800;margin-top:4px}
.metric .val.good{color:var(--ok)} .metric .val.bad{color:var(--bad)} .metric .val.warn{color:var(--warn)}

.rag{font-size:13px;font-weight:700;border-radius:999px;padding:5px 14px}
.rag.green{background:var(--ok-soft);color:var(--ok)}
.rag.amber{background:var(--warn-soft);color:var(--warn)}
.rag.red{background:var(--bad-soft);color:var(--bad)}
.pill{font-size:13px;font-weight:700;background:var(--soft);border:1px solid var(--line);
  border-radius:999px;padding:5px 14px}

.dcma-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.dcma{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:9px;
  border:1px solid var(--line);background:#fff;font-size:14px}
.dcma .mark{width:20px;height:20px;border-radius:6px;flex:none;display:flex;
  align-items:center;justify-content:center;font-size:12px;font-weight:800;color:#fff}
.dcma.pass .mark{background:var(--ok)} .dcma.fail .mark{background:var(--bad)}
.dcma.na .mark{background:#94A3B8}
.dcma .nm{flex:1;font-weight:500}
.dcma .ac{color:var(--muted);font-variant-numeric:tabular-nums}

.driver-row{display:flex;justify-content:space-between;gap:14px;padding:10px 0;
  border-bottom:1px solid var(--line);font-size:14px}
.driver-row:last-child{border-bottom:none}
.driver-row .nm{font-weight:500}
.anomaly{margin-top:14px;padding:14px 16px;border-radius:11px;
  background:var(--warn-soft);border:1px solid #FED7AA;color:#9A3412;font-size:14px}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#CBD5E1;padding:46px 0}
.footer-inner{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center}
.footer-tag{font-size:15px;color:#E2E8F0}
.footer-fine{font-size:13px;color:#64748B}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-art{order:-1;max-width:440px}
  .cards,.steps{grid-template-columns:1fr 1fr}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:620px){
  .nav a:not(.btn){display:none}
  .cards,.steps,.dcma-grid{grid-template-columns:1fr}
  .hero{padding:56px 0 48px}
  .section{padding:60px 0}
}