/* OnyDns — OnySoft tasarım sistemi ("Carbon Pro")
   Siyah/beyaz/gri, gradient yok, indigo yalnızca linklerde, gölge yerine 1px çizgi.
   Kaynak: Onysoft HR Design System (tokens/*.css). */

:root {
  --bg-canvas: #FFFFFF; --bg-surface: #FAFAFA; --bg-elevated: #F5F5F5; --bg-subtle: #F0F0F0; --bg-inverse: #0A0A0A;
  --border-subtle: #EFEFEF; --border-default: #E5E5E5; --border-strong: #D4D4D4;
  --text-primary: #0A0A0A; --text-secondary: #404040; --text-tertiary: #737373; --text-quaternary: #A3A3A3; --text-inverse: #FAFAFA;
  --accent: #5E5CE6; --accent-hover: #4744E0;
  --success: #16A34A; --success-bg: rgba(22,163,74,.125); --success-text: #15803D;
  --warning: #CA8A04; --warning-bg: rgba(202,138,4,.125); --warning-text: #A16207;
  --danger: #DC2626; --danger-bg: rgba(220,38,38,.125); --danger-text: #B91C1C;
  --font-display: 'Manrope', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --radius-sm: 6px; --radius-md: 8px; --radius-lg: 10px; --radius-xl: 14px;
  --marketing-max: 1280px;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-padding-top: 80px; }
body { margin: 0; font-family: var(--font-body); font-size: 16px; line-height: 1.6; color: var(--text-primary); background: var(--bg-canvas); -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4, h5 { font-family: var(--font-display); margin: 0; color: var(--text-primary); }
a { color: var(--accent); text-decoration: none; transition: color .15s; }
a:hover { color: var(--accent-hover); }
:focus-visible { outline: 2px solid var(--text-primary); outline-offset: 2px; }
::selection { background: var(--text-primary); color: var(--bg-canvas); }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.muted { color: var(--text-tertiary); }
.small { font-size: 12.5px; }
svg.lucide { stroke-width: 1.5; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; } }

/* ---------- logo ---------- */
.logo { display: inline-flex; align-items: center; gap: 9px; font: 800 19px var(--font-display); letter-spacing: -.03em; color: var(--text-primary); white-space: nowrap; }
.logo:hover { color: var(--text-primary); }
.logo img { height: 26px; width: auto; display: block; }
.logo i { font-style: italic; }
.logo-inverse, .logo-inverse:hover { color: var(--text-inverse); }

/* ---------- buton ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 40px; padding: 0 16px; border-radius: var(--radius-md); font: 500 14px/1 var(--font-body); border: 1px solid transparent; cursor: pointer; white-space: nowrap; text-decoration: none; transition: background .15s, color .15s, border-color .15s, transform .1s; }
.btn:active { transform: scale(.97); }
.btn svg { width: 16px; height: 16px; }
.btn-primary { background: var(--bg-inverse); color: var(--text-inverse); border-color: var(--bg-inverse); }
.btn-primary:hover { background: #404040; border-color: #404040; color: #fff; }
.btn-secondary { background: var(--bg-canvas); color: var(--text-primary); border-color: var(--border-default); }
.btn-secondary:hover { background: var(--bg-subtle); color: var(--text-primary); }
.btn-ghost { background: transparent; color: var(--text-secondary); }
.btn-ghost:hover { background: var(--bg-subtle); color: var(--text-primary); }
.btn-light { background: #FAFAFA; color: #0A0A0A; border-color: #FAFAFA; }
.btn-light:hover { background: #E5E5E5; color: #0A0A0A; }
.btn-lg { height: 48px; padding: 0 20px; font-size: 15px; }
.btn-sm { height: 32px; padding: 0 12px; font-size: 13px; }
.btn-block { width: 100%; }

/* ---------- kart, etiket ---------- */
.card { background: var(--bg-surface); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); padding: 24px; }
.badge { display: inline-flex; align-items: center; gap: 6px; height: 24px; padding: 0 10px; border-radius: 999px; font-size: 12px; font-weight: 500; letter-spacing: .01em; border: 1px solid var(--border-default); color: var(--text-secondary); background: var(--bg-canvas); white-space: nowrap; }
.badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--text-quaternary); }
.b-ok { background: var(--success-bg); color: var(--success-text); border-color: transparent; } .b-ok .dot { background: var(--success); }
.b-warn { background: var(--warning-bg); color: var(--warning-text); border-color: transparent; } .b-warn .dot { background: var(--warning); }
.b-off { background: var(--danger-bg); color: var(--danger-text); border-color: transparent; } .b-off .dot { background: var(--danger); }
.label-xs { font-size: 11px; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; color: var(--text-tertiary); }
.icon-sq { width: 36px; height: 36px; border-radius: var(--radius-md); background: var(--bg-inverse); color: var(--text-inverse); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.icon-sq svg { width: 17px; height: 17px; }

/* ---------- form ---------- */
.field { display: flex; flex-direction: column; gap: 6px; }
.field > label, .field > .lbl { font-size: 14px; font-weight: 500; color: var(--text-primary); }
.field .hint { font-size: 12.5px; color: var(--text-tertiary); }
.input { height: 40px; width: 100%; border: 1px solid var(--border-default); border-radius: var(--radius-md); padding: 0 12px; font: 400 14px var(--font-body); background: var(--bg-canvas); color: var(--text-primary); transition: border-color .15s, box-shadow .15s; }
.input::placeholder { color: var(--text-quaternary); }
.input:focus { outline: none; border-color: var(--text-primary); box-shadow: 0 0 0 3px rgba(10,10,10,.15); }
.input.is-invalid { border-color: var(--danger); }
.check { display: flex; gap: 10px; font-size: 13.5px; color: var(--text-secondary); align-items: flex-start; cursor: pointer; }
.check input { width: 16px; height: 16px; margin: 3px 0 0; accent-color: var(--bg-inverse); flex-shrink: 0; }
.alert { padding: 10px 14px; border-radius: var(--radius-md); font-size: 14px; margin-bottom: 16px; border: 1px solid transparent; }
.alert-error { background: var(--danger-bg); color: var(--danger-text); }
.alert-success { background: var(--success-bg); color: var(--success-text); }
.alert-warn { background: var(--warning-bg); color: var(--warning-text); }
.alert-info { background: var(--bg-surface); color: var(--text-secondary); border-color: var(--border-default); }

/* ---------- tanıtım üst menüsü ---------- */
.pub-nav { position: sticky; top: 0; z-index: 50; height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 0 32px; border-bottom: 1px solid var(--border-subtle); background: rgba(255,255,255,.88); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.pub-nav nav { display: flex; align-items: center; gap: 4px; }
.pub-nav .sep { width: 8px; }
.wrap { max-width: var(--marketing-max); margin: 0 auto; padding: 0 32px; }

/* ---------- anasayfa ---------- */
.hero { padding: 88px 0 56px; text-align: center; }
.hero h1 { font-size: clamp(40px, 6vw, 68px); line-height: 1.05; letter-spacing: -.04em; font-weight: 800; max-width: 860px; margin: 0 auto; }
.hero p.lead { font-size: 20px; line-height: 1.5; color: var(--text-tertiary); max-width: 620px; margin: 24px auto 36px; }
.hero .actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.demo { max-width: 640px; margin: 56px auto 0; border: 1px solid var(--border-default); border-radius: var(--radius-xl); background: var(--bg-canvas); text-align: left; overflow: hidden; }
.demo-head { display: flex; align-items: center; gap: 8px; padding: 10px 16px; border-bottom: 1px solid var(--border-subtle); background: var(--bg-surface); font-size: 12px; color: var(--text-tertiary); }
.demo-head svg { width: 14px; height: 14px; }
.demo-head .live { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; }
.demo-head .live::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--success); }
.demo-row { display: grid; grid-template-columns: 1.3fr 1fr auto; gap: 12px; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--border-subtle); font-size: 14px; }
.demo-row:last-child { border-bottom: 0; }
.stats { border-top: 1px solid var(--border-subtle); border-bottom: 1px solid var(--border-subtle); display: grid; grid-template-columns: repeat(4, 1fr); padding: 32px 0; margin: 24px 0 96px; }
.stats > div { text-align: center; padding: 0 12px; }
.stats > div + div { border-left: 1px solid var(--border-subtle); }
.stats .n { font: 800 34px var(--font-display); letter-spacing: -.03em; }
.stats .l { font-size: 13px; color: var(--text-tertiary); margin-top: 4px; }
.sec { margin-bottom: 96px; }
.sec h2 { font-size: 40px; line-height: 1.15; letter-spacing: -.03em; max-width: 680px; margin: 12px 0 40px; }
.grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.feat h4 { font-size: 16px; margin: 16px 0 8px; }
.feat p { margin: 0; font-size: 13.5px; line-height: 1.6; color: var(--text-tertiary); }
.step .num { font: 600 13px var(--font-mono); color: var(--text-quaternary); }
.step h4 { font-size: 18px; margin: 8px 0; }
.step p { font-size: 14px; color: var(--text-tertiary); margin: 0 0 14px; }
.code { background: var(--bg-inverse); color: #D4D4D4; border-radius: var(--radius-md); padding: 12px 14px; font: 400 12.5px/1.6 var(--font-mono); overflow-x: auto; white-space: pre; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { border: 1px solid var(--border-default); border-radius: var(--radius-md); padding: 8px 14px; font: 700 14px var(--font-display); letter-spacing: -.01em; color: var(--text-secondary); background: var(--bg-canvas); }
.faq { border-top: 1px solid var(--border-subtle); }
.faq details { border-bottom: 1px solid var(--border-subtle); padding: 18px 0; }
.faq summary { cursor: pointer; font: 600 16px var(--font-display); list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary svg { width: 18px; height: 18px; color: var(--text-tertiary); transition: transform .2s; flex-shrink: 0; }
.faq details[open] summary svg { transform: rotate(180deg); }
.faq p { margin: 10px 0 0; color: var(--text-tertiary); font-size: 14.5px; max-width: 760px; }
.cta { background: var(--bg-inverse); color: var(--text-inverse); border-radius: var(--radius-xl); padding: 56px; display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 96px; }
.cta h2 { color: var(--text-inverse); font-size: 36px; letter-spacing: -.03em; margin: 0; }
.cta p { color: #A3A3A3; margin: 8px 0 0; }

/* ---------- alt bilgi ---------- */
.foot { background: #0A0A0A; color: #A3A3A3; }
.foot .wrap { padding-top: 56px; padding-bottom: 32px; }
.foot .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 40px; font-size: 13px; line-height: 2; }
.foot .h { font-size: 11px; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; color: #737373; margin-bottom: 8px; }
.foot a { color: #A3A3A3; }
.foot a:hover { color: #FAFAFA; }
.foot .addr { font-size: 12.5px; line-height: 1.7; margin-top: 16px; }
.foot .bottom { border-top: 1px solid #1F1F1F; padding-top: 20px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 12px; }

/* ---------- giriş / kayıt ---------- */
.auth { min-height: 100vh; display: flex; flex-direction: column; background: var(--bg-surface); }
.auth-top { padding: 24px 40px; }
.auth-mid { flex: 1; display: flex; align-items: center; justify-content: center; padding: 24px 16px; }
.auth-card { width: 420px; max-width: 100%; background: var(--bg-canvas); border: 1px solid var(--border-default); border-radius: var(--radius-xl); padding: 36px; }
.auth-card.wide { width: 880px; display: grid; grid-template-columns: 1fr 300px; gap: 40px; }
.auth-card h1 { font-size: 26px; letter-spacing: -.02em; }
.auth-card .sub { margin: 6px 0 24px; color: var(--text-tertiary); font-size: 14px; }
.auth-form { display: flex; flex-direction: column; gap: 16px; }
.auth-alt { font-size: 13.5px; color: var(--text-tertiary); text-align: center; }
.auth-foot { padding: 20px 40px; font-size: 12px; color: var(--text-quaternary); display: flex; justify-content: space-between; gap: 16px; }
.google { display: flex; align-items: center; justify-content: center; gap: 10px; height: 44px; border: 1px solid var(--border-default); border-radius: var(--radius-md); background: var(--bg-canvas); font: 500 15px var(--font-body); color: var(--text-primary); cursor: pointer; width: 100%; text-decoration: none; }
.google:hover { background: var(--bg-subtle); color: var(--text-primary); }
.or { display: flex; align-items: center; gap: 12px; color: var(--text-quaternary); font-size: 12px; margin: 20px 0; }
.or::before, .or::after { content: ""; flex: 1; height: 1px; background: var(--border-subtle); }
.plan { list-style: none; margin: 0; padding: 0; }
.plan li { display: flex; gap: 8px; font-size: 13.5px; color: var(--text-secondary); padding: 5px 0; }
.plan li svg { width: 15px; height: 15px; margin-top: 3px; flex-shrink: 0; color: var(--text-primary); }
.pw-meter { display: flex; gap: 4px; margin-top: 4px; }
.pw-meter span { flex: 1; height: 3px; border-radius: 2px; background: var(--bg-subtle); transition: background .2s; }

/* ---------- mobil ---------- */
.nav-toggle { display: none; }
@media (max-width: 900px) {
  .pub-nav { padding: 0 16px; }
  .pub-nav nav .btn-ghost, .pub-nav .sep { display: none; }
  .wrap { padding: 0 16px; }
  .hero { padding: 56px 0 40px; }
  .hero p.lead { font-size: 17px; }
  .grid3 { grid-template-columns: minmax(0, 1fr); }
  .stats { grid-template-columns: 1fr 1fr; gap: 24px 0; margin-bottom: 64px; }
  .stats > div:nth-child(3) { border-left: 0; }
  .sec { margin-bottom: 64px; }
  .sec h2 { font-size: 30px; }
  .demo-row { grid-template-columns: 1fr auto; }
  .demo-row .ip { display: none; }
  .cta { flex-direction: column; align-items: flex-start; padding: 32px; }
  .cta h2 { font-size: 28px; }
  .foot .cols { grid-template-columns: 1fr 1fr; }
  .auth-top, .auth-foot { padding-left: 16px; padding-right: 16px; }
  .auth-card { padding: 24px; }
  .auth-card.wide { grid-template-columns: 1fr; gap: 24px; }
  .auth-card.wide > aside { border-left: 0 !important; padding-left: 0 !important; border-top: 1px solid var(--border-subtle); padding-top: 24px; }
}
@media (max-width: 600px) {
  /* Kartlar: simge solda, metin sağda — daha kısa kaydırma */
  .feat { display: grid; grid-template-columns: 36px minmax(0, 1fr); column-gap: 14px; padding: 16px; }
  .feat .icon-sq { grid-row: span 2; }
  .feat h4 { margin: 0 0 4px; }
  .step { padding: 16px; }
  .step h4 { font-size: 16px; margin: 4px 0; }
  .step p { margin-bottom: 10px; }
  .grid3 { gap: 8px; }
  .sec h2 { font-size: 28px; margin-bottom: 24px; }
  .chip { padding: 6px 12px; font-size: 13px; }
  .faq summary { font-size: 15px; }
  .cta h2 { font-size: 26px; }
  .cta .btn { width: 100%; }
}
@media (max-width: 480px) {
  /* Menü: "Giriş" sade bağlantı olarak kalır, ok simgesi gizlenir */
  .pub-nav { padding: 0 12px; gap: 8px; }
  .pub-nav .logo { font-size: 17px; gap: 7px; }
  .pub-nav .logo img { height: 22px; width: auto; }
  .pub-nav nav { gap: 2px; }
  .pub-nav .btn-secondary { border-color: transparent; background: transparent; padding: 0 8px; }
  .pub-nav .btn-primary svg { display: none; }
  .hero .actions .btn { flex: 1 1 100%; }
  .foot .cols { grid-template-columns: 1fr 1fr; gap: 24px 16px; }
  .foot .cols > div:first-child { grid-column: 1 / -1; }
  .foot .bottom { flex-direction: column; gap: 6px; }
}