/* =========================================================================
   ERBE SIEM — Tanıtım sitesi tasarım sistemi
   Ürünün gerçek panel paletiyle aynı tokenlar (dataviz doğrulanmış).
   Koyu tema varsayılan; açık tema data-theme="light" ile.
   ========================================================================= */

/* ---------- 1. Tokenlar ---------- */
:root {
  --bg:        #080b11;
  --bg-2:      #0b0f17;
  --panel:     #0f1621;
  --panel-2:   #131c2a;
  --panel-3:   #182233;
  --border:    #1e2a3b;
  --border-2:  #263449;
  --text:      #e8eef7;
  --muted:     #9aabc0;
  --muted-2:   #7b8ba1;

  --primary:   #4493f8;
  --primary-2: #2a78d6;
  --primary-3: #8fc0ff;
  --accent:    #17b8a6;

  --crit: #ef4444;  --high: #f97316;  --med: #eab308;
  --low:  #3b82f6;  --good: #22c55e;

  --on-primary: #04101f;
  --field-border: #55698a;   /* form alanı sınırı — 1.4.11 için ≥3:1 */

  --hero-glow: radial-gradient(900px 480px at 8% -10%, rgba(68,147,248,.17), transparent 62%),
               radial-gradient(760px 420px at 96% 4%,  rgba(23,184,166,.13), transparent 58%);
  --grid-line: rgba(120,160,220,.055);

  --r-xs: 8px;  --r-sm: 10px;  --r: 14px;  --r-lg: 20px;  --r-xl: 26px;
  --sh-1: 0 1px 2px rgba(0,0,0,.4);
  --sh-2: 0 10px 30px rgba(0,0,0,.32), 0 2px 8px rgba(0,0,0,.24);
  --sh-3: 0 24px 70px rgba(0,0,0,.5);
  --ring: 0 0 0 3px rgba(68,147,248,.42);

  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --wrap: 1200px;
  --pad: clamp(18px, 4vw, 36px);
  --gap-sec: clamp(64px, 9vw, 120px);

  --z-nav: 45; --z-hdr: 50; --z-announce: 60; --z-top: 40;
}

:root[data-theme="light"] {
  --bg:        #eef2f7;
  --bg-2:      #e6ecf4;
  --panel:     #ffffff;
  --panel-2:   #f5f8fc;
  --panel-3:   #e9eff7;
  --border:    #d5dfeb;
  --border-2:  #bccbdc;
  --text:      #0d1727;
  --muted:     #46586f;
  --muted-2:   #55677f;   /* --bg-2 üzerinde 5.0:1 (önceki #5b6d85 4.45:1 ile kalıyordu) */

  --primary:   #14539f;   /* --bg-2 üzerinde 6.2:1 — .kicker gibi küçük metinler AA geçsin */
  --primary-2: #0f4380;
  --primary-3: #0d3a6e;
  --accent:    #0a6b60;   /* %14 tint üzerinde 4.9:1 */

  --crit: #c92a2a;  --high: #b83a08;  --med: #8a5300;
  --low:  #1d4ed8;  --good: #10652f;

  --on-primary: #ffffff;
  --field-border: #7d8ea6;

  --hero-glow: radial-gradient(900px 480px at 8% -10%, rgba(26,111,212,.13), transparent 62%),
               radial-gradient(760px 420px at 96% 4%,  rgba(13,132,119,.10), transparent 58%);
  --grid-line: rgba(30,70,130,.055);

  --sh-1: 0 1px 2px rgba(15,23,42,.08);
  --sh-2: 0 10px 28px rgba(15,23,42,.09), 0 2px 6px rgba(15,23,42,.05);
  --sh-3: 0 24px 60px rgba(15,23,42,.14);
  --ring: 0 0 0 3px rgba(26,111,212,.35);
}

/* ---------- 2. Temel ---------- */
*, *::before, *::after { box-sizing: border-box; }

:root { color-scheme: dark; }
:root[data-theme="light"] { color-scheme: light; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  -webkit-text-size-adjust: 100%;
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg, canvas { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }

h1, h2, h3 { margin: 0; line-height: 1.15; letter-spacing: -.02em; font-weight: 800; }
h1 { font-size: clamp(2.1rem, 5.4vw, 3.65rem); letter-spacing: -.035em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); letter-spacing: -.028em; }
h3 { font-size: 1.06rem; font-weight: 700; letter-spacing: -.012em; }
p  { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.grad {
  background: linear-gradient(96deg, var(--primary-3), var(--accent) 92%);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
:root[data-theme="light"] .grad { background: linear-gradient(96deg, var(--primary-2), var(--accent) 92%); -webkit-background-clip: text; background-clip: text; }

.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;
}

.skip {
  position: absolute; left: 12px; top: -60px; z-index: 200;
  background: var(--primary); color: var(--on-primary);
  padding: 10px 18px; border-radius: var(--r-sm); font-weight: 700;
  transition: top .18s ease;
}
.skip:focus { top: 12px; }

:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 6px;
}

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--pad); }
.wrap--narrow { max-width: 860px; }

/* ---------- 3. Butonlar ---------- */
.btn {
  --btn-bg: transparent;
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 11px 20px; border-radius: 999px;
  font-weight: 700; font-size: .94rem; letter-spacing: -.01em;
  border: 1px solid transparent; background: var(--btn-bg);
  cursor: pointer; position: relative;
  transition: background-color .2s ease, border-color .2s ease, color .2s ease, box-shadow .2s ease, transform .12s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn svg { flex: none; }

.btn--primary { --btn-bg: var(--primary); color: var(--on-primary); box-shadow: 0 6px 22px rgba(68,147,248,.28); }
.btn--primary:hover { --btn-bg: var(--primary-2); box-shadow: 0 8px 26px rgba(68,147,248,.4); }
:root[data-theme="light"] .btn--primary { box-shadow: 0 6px 20px rgba(26,111,212,.24); }

.btn--outline { border-color: var(--border-2); color: var(--text); background: var(--panel-2); }
.btn--outline:hover { border-color: var(--primary); background: var(--panel-3); color: var(--primary); }

.btn--ghost { color: var(--muted); border-color: transparent; }
.btn--ghost:hover { color: var(--text); background: var(--panel-2); }

.btn--cta {
  --btn-bg: linear-gradient(100deg, var(--primary) 0%, var(--accent) 130%);
  background-image: var(--btn-bg); background-color: var(--primary);
  color: var(--on-primary);
  box-shadow: 0 10px 34px rgba(68,147,248,.38);
  overflow: hidden;
}
.btn--cta:hover { box-shadow: 0 14px 42px rgba(68,147,248,.52); }
.btn__pulse {
  position: absolute; inset: 0;
  background: linear-gradient(100deg, transparent 20%, rgba(255,255,255,.28) 50%, transparent 80%);
  transform: translateX(-100%);
  animation: sheen 3.4s ease-in-out 1.2s infinite;
  pointer-events: none;
}
@keyframes sheen { 0%,58% { transform: translateX(-100%); } 82%,100% { transform: translateX(100%); } }

.btn--lg { padding: 14px 26px; font-size: 1rem; }
.btn--xl { padding: 17px 34px; font-size: 1.06rem; }
.btn--full { width: 100%; }

/* ---------- 4. Duyuru şeridi ---------- */
.announce {
  position: relative; z-index: var(--z-announce);
  display: flex; align-items: center;
  background: linear-gradient(96deg, rgba(68,147,248,.16), rgba(23,184,166,.14));
  border-bottom: 1px solid var(--border);
}
:root[data-theme="light"] .announce { background: linear-gradient(96deg, rgba(26,111,212,.11), rgba(13,132,119,.09)); }
.announce[hidden], :root.no-announce .announce { display: none; }

.announce__link {
  flex: 1; min-width: 0;
  display: flex; align-items: center; justify-content: center; gap: 9px;
  padding: 9px 44px 9px 16px;
  font-size: .875rem; color: var(--text);
  cursor: pointer;
  transition: background-color .2s ease;
}
.announce__link:hover { background: rgba(68,147,248,.09); }
.announce__dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--good); flex: none;
  box-shadow: 0 0 0 0 rgba(34,197,94,.6); animation: ping 2.2s ease-out infinite;
}
@keyframes ping {
  0%   { box-shadow: 0 0 0 0 rgba(34,197,94,.55); }
  70%  { box-shadow: 0 0 0 9px rgba(34,197,94,0); }
  100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); }
}
.announce__sep { color: var(--muted-2); }
.announce__text { color: var(--muted); }
.announce__cta {
  display: inline-flex; align-items: center; gap: 5px;
  color: var(--primary); font-weight: 700;
  border-bottom: 1px solid transparent;
}
.announce__link:hover .announce__cta { border-bottom-color: currentColor; }
.announce__link:hover .announce__cta svg { transform: translateX(3px); }
.announce__cta svg { transition: transform .2s ease; }

.announce__close {
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  display: grid; place-items: center; width: 30px; height: 30px;
  background: transparent; border: 0; border-radius: var(--r-xs);
  color: var(--muted-2); cursor: pointer;
  transition: color .2s ease, background-color .2s ease;
}
.announce__close:hover { color: var(--text); background: var(--panel-2); }

/* ---------- 5. Header ---------- */
.hdr {
  position: sticky; top: 0; z-index: var(--z-hdr);
  border-bottom: 1px solid transparent;
  /* backdrop-filter bilerek geçişe dahil edilmedi — her karede blur yeniden hesaplanır */
  transition: background-color .25s ease, border-color .25s ease;
}
.hdr.is-stuck {
  background: var(--bg);                                    /* color-mix desteklemeyen tarayıcı için opak yedek */
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom-color: var(--border);
}
@supports not (backdrop-filter: blur(4px)) { .hdr.is-stuck { background: var(--bg); } }

.hdr__in { display: flex; align-items: center; gap: 18px; height: 70px; }

/* Logo: CSS arka planı olarak yüklenir — böylece tarayıcı yalnızca aktif temanın
   dosyasını indirir (iki <img> kullanılsaydı gizli olan da inerdi).
   Erişilebilir ad <a aria-label> ile veriliyor. */
.brand {
  display: block; flex: none;
  width: 189px; height: 34px;                 /* 566x102 kaynağın 1/3'ü */
  background: url("../img/logo-lockup-dark.png") left center / contain no-repeat;
}
:root[data-theme="light"] .brand { background-image: url("../img/logo-lockup-light.png"); }

.brand--lg { width: 245px; height: 44px; }

/* Dar ekranda yalnız kalkan — yatay kilit header'a sığmıyor */
@media (max-width: 560px) {
  .hdr .brand {
    width: 34px;
    background-image: url("../img/logo-mark-dark.png");
    background-size: contain;
  }
  :root[data-theme="light"] .hdr .brand { background-image: url("../img/logo-mark-light.png"); }
}

.nav { display: flex; align-items: center; gap: 3px; margin-left: auto; }
.nav a {
  padding: 8px 12px; border-radius: var(--r-xs);
  font-size: .9rem; font-weight: 500; color: var(--muted);
  transition: color .18s ease, background-color .18s ease;
}
.nav a:hover { color: var(--text); background: var(--panel-2); }

.hdr__act { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.nav + .hdr__act { margin-left: 6px; }

.iconbtn {
  display: grid; place-items: center; width: 38px; height: 38px; flex: none;
  background: transparent; border: 1px solid var(--border); border-radius: var(--r-xs);
  color: var(--muted); cursor: pointer;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}
.iconbtn:hover { color: var(--text); border-color: var(--border-2); background: var(--panel-2); }
:root[data-theme="dark"] .ico-sun,  :root:not([data-theme="light"]) .ico-sun  { display: none; }
:root[data-theme="light"] .ico-moon { display: none; }

.burger { display: none; }

/* ---------- 6. Hero ---------- */
.hero { position: relative; padding-top: clamp(38px, 6vw, 74px); padding-bottom: clamp(40px, 6vw, 72px); overflow: hidden; }
.hero__grid-bg {
  position: absolute; inset: -1px 0 auto 0; height: 130%;
  background-image:
    var(--hero-glow),
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: auto, 62px 62px, 62px 62px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 42%, transparent 92%);
          mask-image: linear-gradient(180deg, #000 0%, #000 42%, transparent 92%);
  pointer-events: none;
}

.hero__in {
  position: relative;
  display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 60px); align-items: center;
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px 6px 10px; margin: 0 0 20px;
  border: 1px solid var(--border-2); border-radius: 999px;
  background: var(--panel-2);
  font-size: .78rem; font-weight: 600; letter-spacing: .04em; color: var(--muted);
}
.eyebrow__pip { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); flex: none; }

.hero__h1 { margin-bottom: 20px; }
.hero__lede { font-size: clamp(1rem, 1.6vw, 1.13rem); color: var(--muted); max-width: 60ch; margin-bottom: 30px; }
.hero__lede strong { color: var(--text); font-weight: 600; }

.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 28px; }

.hero__ticks { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.hero__ticks li {
  display: flex; align-items: flex-start; gap: 9px;
  font-size: .92rem; color: var(--muted);
}
.hero__ticks svg { color: var(--accent); margin-top: 4px; flex: none; }

/* Küre kartı */
.globecard {
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-3);
  overflow: hidden;
}
.globecard__bar {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 14px; border-bottom: 1px solid var(--border);
  background: var(--panel-2);
}
.globecard__title { font-size: .8rem; font-weight: 600; color: var(--muted); }
.globecard__meta { margin-left: auto; font-size: .72rem; color: var(--muted-2); }
.globecard__btn {
  display: grid; place-items: center; width: 26px; height: 26px; flex: none;
  background: transparent; border: 1px solid var(--border); border-radius: var(--r-xs);
  color: var(--muted); cursor: pointer;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}
.globecard__btn:hover { color: var(--text); border-color: var(--border-2); background: var(--panel-3); }
.globecard__btn .ico-play { display: none; }
.globecard__btn.is-paused .ico-play { display: block; }
.globecard__btn.is-paused .ico-pause { display: none; }
#globe canvas:focus-visible { outline: 2px solid var(--primary); outline-offset: -2px; }

.live { display: inline-flex; align-items: center; gap: 6px; font-size: .66rem; font-weight: 800; letter-spacing: .13em; color: var(--crit); }
.live__dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; flex: none; animation: blink 1.7s ease-in-out infinite; }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: .25; } }

/* Yükseklik önceden ayrılır (aspect-ratio + clamp, globe.js ile aynı formül):
   canvas eklenince yerleşim kaymaz — mobilde ~180px CLS oluşuyordu. */
/* min-height KULLANMA: aspect-ratio ile birlikte tarayıcı bunu zorunlu bir
   min-GENİŞLİĞE çevirir (280 / 0.72 = 389px) ve dar ekranda sayfa taşar. */
.globecard__canvas {
  position: relative;
  aspect-ratio: 1 / 0.72;
  max-height: 460px;
  background: radial-gradient(120% 90% at 50% 40%, rgba(68,147,248,.06), transparent 70%);
}
.globecard__feed {
  border-top: 1px solid var(--border);
  padding: 10px 14px;
  height: 108px; overflow: hidden;
  font-family: var(--mono); font-size: .69rem; line-height: 1.85;
  background: var(--panel);
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 26%, #000 100%);
          mask-image: linear-gradient(180deg, transparent 0%, #000 26%, #000 100%);
}
.globecard__feed div { display: flex; gap: 9px; white-space: nowrap; min-width: 0; }
.globecard__feed .t { color: var(--muted-2); flex: none; }
.globecard__feed .ip { color: var(--muted); flex: none; }
.globecard__feed .m { min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.globecard__note { margin-top: 12px; font-size: .76rem; color: var(--muted-2); text-align: center; }

.globe-hint {
  position: absolute; right: 10px; bottom: 10px;
  padding: 4px 10px; border: 1px solid var(--border); border-radius: 999px;
  background: color-mix(in srgb, var(--panel-2) 88%, transparent);
  font-size: .68rem; color: var(--muted-2); pointer-events: none;
}

/* Güven şeridi */
.trust {
  display: grid; grid-template-columns: repeat(6, 1fr);
  gap: 1px; margin-top: clamp(38px, 6vw, 64px);
  background: var(--border); border: 1px solid var(--border);
  border-radius: var(--r); overflow: hidden;
}
.trust__item { background: var(--panel); padding: 20px 14px; text-align: center; }
.trust__item b { display: block; font-size: clamp(1.25rem, 2.4vw, 1.7rem); font-weight: 800; letter-spacing: -.03em; color: var(--text); font-variant-numeric: tabular-nums; }
.trust__item span { display: block; margin-top: 3px; font-size: .74rem; color: var(--muted-2); }

/* ---------- 7. Bölüm iskeleti ---------- */
.sec { padding-block: var(--gap-sec); }
.sec--alt { background: var(--bg-2); border-block: 1px solid var(--border); }

.sechead { max-width: 72ch; margin: 0 auto clamp(36px, 5vw, 56px); text-align: center; }
.sechead--left { text-align: left; margin-inline: 0; }
.kicker {
  margin: 0 0 12px; font-size: .74rem; font-weight: 800;
  letter-spacing: .18em; text-transform: uppercase; color: var(--primary);
}
.sechead__lede { margin-top: 16px; font-size: 1.03rem; color: var(--muted); }
.sechead__lede strong { color: var(--text); font-weight: 600; }

/* ---------- 8. Sorun / çözüm ---------- */
.probs { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr)); gap: 20px; }
.prob {
  padding: 28px; border-radius: var(--r-lg);
  border: 1px solid var(--border); background: var(--panel);
}
.prob h3 { margin-bottom: 16px; padding-bottom: 14px; border-bottom: 1px solid var(--border); font-size: 1.12rem; }
.prob ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
.prob li { position: relative; padding-left: 28px; font-size: .93rem; color: var(--muted); }
.prob li::before {
  position: absolute; left: 0; top: 1px;
  width: 18px; height: 18px; border-radius: 50%;
  display: grid; place-items: center; font-size: .72rem; font-weight: 800;
}
.prob--bad h3 { color: var(--high); }
.prob--bad li::before { content: "✕"; background: color-mix(in srgb, var(--crit) 20%, transparent); color: #ff7676; }
:root[data-theme="light"] .prob--bad li::before { color: var(--crit); }
.prob--good { border-color: color-mix(in srgb, var(--accent) 34%, var(--border)); }
.prob--good h3 { color: var(--accent); }
.prob--good li::before { content: "✓"; background: rgba(23,184,166,.15); color: var(--accent); }

/* ---------- 9. Demo bandı ---------- */
.demoband { position: relative; padding-block: clamp(54px, 8vw, 92px); overflow: hidden; background: var(--bg-2); border-block: 1px solid var(--border); }
.demoband__glow {
  position: absolute; inset: 0;
  background:
    radial-gradient(760px 380px at 22% 50%, rgba(68,147,248,.20), transparent 65%),
    radial-gradient(620px 340px at 82% 40%, rgba(23,184,166,.16), transparent 62%);
  pointer-events: none;
}
:root[data-theme="light"] .demoband__glow {
  background:
    radial-gradient(760px 380px at 22% 50%, rgba(26,111,212,.14), transparent 65%),
    radial-gradient(620px 340px at 82% 40%, rgba(13,132,119,.11), transparent 62%);
}
.demoband__in {
  position: relative;
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(30px, 5vw, 56px); align-items: center;
}
.demoband__badge {
  display: inline-flex; align-items: center; gap: 8px; margin: 0 0 16px;
  padding: 6px 14px; border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--good) 40%, var(--border));
  background: color-mix(in srgb, var(--good) 12%, transparent);
  color: var(--good); font-size: .7rem; font-weight: 800; letter-spacing: .1em;
}
.demoband__copy h2 { margin-bottom: 14px; }
.demoband__copy > p { color: var(--muted); max-width: 52ch; margin-bottom: 26px; }
.demoband__url { margin-top: 14px; font-size: .8rem; color: var(--muted-2); letter-spacing: .02em; }

/* Tarayıcı çerçevesi + panel maketi */
.demoband__shot { position: relative; }
.chrome {
  border: 1px solid var(--border-2); border-radius: var(--r-lg);
  background: var(--panel); box-shadow: var(--sh-3); overflow: hidden;
  transform: perspective(1400px) rotateY(-7deg) rotateX(3deg);
  transition: transform .5s cubic-bezier(.2,.7,.3,1);
}
.demoband__shot:hover .chrome { transform: perspective(1400px) rotateY(-3deg) rotateX(1deg); }
.chrome__bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; background: var(--panel-2); border-bottom: 1px solid var(--border); }
.chrome__dot { width: 9px; height: 9px; border-radius: 50%; background: var(--border-2); flex: none; }
.chrome__url {
  margin-left: 10px; padding: 3px 12px; border-radius: 999px;
  background: var(--panel-3); color: var(--muted-2); font-size: .68rem;
}
.chrome__body { background: var(--bg); padding: 0; }

.mock { display: grid; grid-template-columns: 62px 1fr; min-height: 250px; }
.mock__side { padding: 12px 10px; background: var(--panel); border-right: 1px solid var(--border); display: grid; gap: 8px; align-content: start; }
.mock__logo { height: 10px; border-radius: 3px; background: linear-gradient(90deg, var(--primary), var(--accent)); margin-bottom: 6px; }
.mock__nav { height: 7px; border-radius: 3px; background: var(--panel-3); }
.mock__nav.is-on { background: color-mix(in srgb, var(--primary) 55%, transparent); }
.mock__main { padding: 12px; display: grid; gap: 10px; align-content: start; }
.mock__tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.mock__tile { display: grid; gap: 5px; padding: 9px; border: 1px solid var(--border); border-radius: var(--r-xs); background: var(--panel); }
.mock__tile i { display: block; height: 5px; width: 60%; border-radius: 3px; background: var(--panel-3); }
.mock__tile b { display: block; height: 11px; width: 82%; border-radius: 3px; background: var(--border-2); }
.mock__tile:nth-child(1) b { background: color-mix(in srgb, var(--crit) 62%, transparent); }
.mock__tile:nth-child(2) b { background: color-mix(in srgb, var(--high) 58%, transparent); }
.mock__tile:nth-child(3) b { background: color-mix(in srgb, var(--primary) 58%, transparent); }
.mock__row { display: grid; grid-template-columns: 1.45fr 1fr; gap: 8px; }
.mock__chart, .mock__globe { border: 1px solid var(--border); border-radius: var(--r-xs); background: var(--panel); padding: 8px; }
.mock__chart svg { width: 100%; height: 68px; }
.mock__globe { position: relative; display: grid; place-items: center; min-height: 84px; overflow: hidden; }
.mock__globe::after {
  content: ""; width: 54px; height: 54px; border-radius: 50%;
  background: radial-gradient(circle at 34% 30%, #16406f, #071023);
  box-shadow: 0 0 22px rgba(68,147,248,.35), inset 0 0 0 1px rgba(120,170,240,.3);
}
.mock__ring {
  position: absolute; width: 54px; height: 54px; border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--crit) 60%, transparent);
  animation: mockping 2.6s ease-out infinite;
}
.mock__ring--2 { animation-delay: 1.3s; border-color: color-mix(in srgb, var(--high) 60%, transparent); }
@keyframes mockping { 0% { transform: scale(.5); opacity: .9; } 100% { transform: scale(1.9); opacity: 0; } }
.mock__list { display: grid; gap: 6px; }
.mock__list i { height: 9px; border-radius: 3px; background: var(--panel-2); border: 1px solid var(--border); }
.mock__list i:nth-child(1) { width: 100%; } .mock__list i:nth-child(2) { width: 92%; }
.mock__list i:nth-child(3) { width: 96%; }  .mock__list i:nth-child(4) { width: 84%; }

.demoband__tag {
  position: absolute; top: -12px; right: -8px;
  padding: 6px 15px; border-radius: 999px;
  background: #c81e1e; color: #fff;   /* beyaz yazıyla 5.4:1 — var(--crit) 3.76'da kalıyordu */
  font-size: .66rem; font-weight: 900; letter-spacing: .16em;
  box-shadow: 0 8px 24px rgba(200,30,30,.45);
  transform: rotate(4deg);
}

/* ---------- 10. Özellik kartları ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(288px, 100%), 1fr)); gap: 18px; }
.card {
  position: relative; padding: 26px;
  border: 1px solid var(--border); border-radius: var(--r-lg);
  background: var(--panel);
  transition: border-color .22s ease, transform .22s ease, box-shadow .22s ease, background-color .22s ease;
}
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  background: linear-gradient(150deg, rgba(68,147,248,.09), transparent 52%);
  opacity: 0; transition: opacity .22s ease; pointer-events: none;
}
.card:hover { border-color: color-mix(in srgb, var(--primary) 46%, var(--border)); transform: translateY(-3px); box-shadow: var(--sh-2); }
.card:hover::before { opacity: 1; }
.card__ico {
  display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 16px;
  border-radius: 12px; border: 1px solid color-mix(in srgb, var(--primary) 30%, var(--border));
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  color: var(--primary);
}
.card__ico svg { width: 22px; height: 22px; }
.card h3 { margin-bottom: 9px; }
.card p { font-size: .92rem; color: var(--muted); }
.card__tags { margin-top: 13px; font-size: .7rem; color: var(--muted-2); letter-spacing: .01em; }

/* ---------- 11. Modüller ---------- */
.filters { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-bottom: 28px; }
.chip {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 16px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--panel);
  font-size: .86rem; font-weight: 600; color: var(--muted); cursor: pointer;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}
.chip:hover { color: var(--text); border-color: var(--border-2); }
.chip.is-on { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }
.chip__n { font-size: .72rem; opacity: .72; font-variant-numeric: tabular-nums; }

.mods { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(268px, 100%), 1fr)); gap: 14px; }
.mod {
  position: relative; padding: 20px 20px 44px;
  border: 1px solid var(--border); border-radius: var(--r);
  background: var(--panel);
  transition: border-color .2s ease, background-color .2s ease;
}
.mod:hover { border-color: var(--border-2); background: var(--panel-2); }
.mod[hidden] { display: none; }
.mod__id { font-size: .7rem; font-weight: 600; color: var(--primary); letter-spacing: .06em; }
.mod h3 { margin: 6px 0 6px; font-size: .99rem; }
.mod p { font-size: .855rem; color: var(--muted); }
.tag {
  position: absolute; left: 20px; bottom: 16px;
  padding: 3px 10px; border-radius: 999px;
  border: 1px solid var(--border-2); background: var(--panel-3);
  font-size: .66rem; font-weight: 700; letter-spacing: .04em; color: var(--muted-2);
}
.tag--core { border-color: color-mix(in srgb, var(--primary) 42%, transparent); background: color-mix(in srgb, var(--primary) 14%, transparent); color: var(--primary); }
.tag--rec  { border-color: color-mix(in srgb, var(--accent) 42%, transparent);  background: color-mix(in srgb, var(--accent) 14%, transparent);  color: var(--accent); }
.mods__note { margin-top: 22px; text-align: center; font-size: .88rem; color: var(--muted-2); }
.mods__note strong { color: var(--muted); }

/* ---------- 12. Akış ---------- */
.flow {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(224px, 100%), 1fr)); gap: 16px;
  counter-reset: none;
}
.flow__step {
  position: relative; padding: 22px 20px;
  border: 1px solid var(--border); border-radius: var(--r);
  background: var(--panel);
}
.flow__step::after {
  content: ""; position: absolute; left: 0; right: 0; top: -1px; height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px 2px 0 0;
  transform: scaleX(0); transform-origin: left;
  transition: transform .4s ease;
}
.flow__step.is-in::after { transform: scaleX(1); }
.flow__n { display: block; margin-bottom: 10px; font-size: 1.5rem; font-weight: 700; color: var(--primary); letter-spacing: -.03em; }
.flow__step h3 { margin-bottom: 7px; }
.flow__step p { font-size: .87rem; color: var(--muted); }

/* ---------- 12b. Desteklenen kaynaklar ---------- */
.tiers { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(288px, 100%), 1fr)); gap: 18px; align-items: stretch; }
.tier {
  display: flex; flex-direction: column; gap: 10px;
  padding: 26px; border: 1px solid var(--border); border-radius: var(--r-lg);
  background: var(--panel);
}
.tier--deep {
  border-color: color-mix(in srgb, var(--primary) 48%, var(--border));
  background: linear-gradient(180deg, color-mix(in srgb, var(--primary) 8%, var(--panel)), var(--panel) 62%);
}
.tier__lvl {
  align-self: flex-start;
  padding: 4px 12px; border-radius: 999px;
  border: 1px solid var(--border-2); background: var(--panel-3);
  font-size: .66rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--muted-2);
}
.tier--deep .tier__lvl {
  border-color: color-mix(in srgb, var(--primary) 45%, transparent);
  background: color-mix(in srgb, var(--primary) 16%, transparent);
  color: var(--primary);
}
.tier h3 { font-size: 1.1rem; }
.tier p { font-size: .91rem; color: var(--muted); }
.tier strong { color: var(--text); font-weight: 600; }
.tier__note { margin-top: auto; font-size: .72rem !important; color: var(--muted-2) !important; }

.vendors { list-style: none; margin: 4px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.vendors li {
  padding: 5px 11px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--panel-2);
  font-size: .78rem; color: var(--muted);
}
.tiers__note { margin-top: 22px; text-align: center; font-size: .92rem; color: var(--muted); }
.tiers__note strong { color: var(--text); }
.tiers__note a { color: var(--primary); font-weight: 600; border-bottom: 1px solid transparent; }
.tiers__note a:hover { border-bottom-color: currentColor; }

/* ---------- 13. Panel bölümü ---------- */
.panelgrid { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 22px; align-items: start; }
.panelgrid__nav { padding: 20px; border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--panel); }
.panelgrid__g { margin: 16px 0 8px; font-size: .68rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--muted-2); }
.panelgrid__g:first-child { margin-top: 0; }
.panelgrid__nav ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.panelgrid__nav li {
  padding: 6px 10px; border-radius: var(--r-xs);
  font-size: .87rem; color: var(--muted);
  border-left: 2px solid transparent;
}
.panelgrid__nav li:hover { background: var(--panel-2); color: var(--text); border-left-color: var(--primary); }

/* min-height + aspect-ratio, tarayıcıya zorunlu min-GENİŞLİK olarak yansıyıp
   telefonda ızgarayı taşırıyordu. Yükseklik yalnızca orandan gelsin. */
.embed {
  position: relative; border: 1px solid var(--border); border-radius: var(--r-lg);
  background: var(--panel); overflow: hidden; box-shadow: var(--sh-2);
  aspect-ratio: 16 / 10;
  min-width: 0;
}
.embed iframe { width: 100%; height: 100%; border: 0; display: block; }
.embed__play {
  position: absolute; inset: 0; width: 100%;
  display: grid; place-content: center; justify-items: center; gap: 8px;
  padding: 24px; text-align: center; cursor: pointer;
  background:
    radial-gradient(600px 320px at 50% 45%, rgba(68,147,248,.16), transparent 68%),
    var(--panel);
  border: 0; color: var(--text);
  transition: background-color .25s ease;
}
.embed__play:hover .embed__playico { transform: scale(1.06); box-shadow: 0 12px 40px rgba(68,147,248,.5); }
.embed__playico {
  display: grid; place-items: center; width: 66px; height: 66px; border-radius: 50%;
  background: var(--primary); color: var(--on-primary); margin-bottom: 6px;
  box-shadow: 0 10px 30px rgba(68,147,248,.4);
  transition: transform .22s ease, box-shadow .22s ease;
}
.embed__t { font-size: 1.06rem; font-weight: 700; }
.embed__s { font-size: .85rem; color: var(--muted); }
/* Çerçeve yüklense de yüklenmese de görünen çıkış şeridi */
.embed__bar {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
  display: flex; align-items: center; justify-content: center; gap: 10px; flex-wrap: wrap;
  padding: 9px 14px;
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border-top: 1px solid var(--border);
  font-size: .82rem; color: var(--muted);
}
.embed__bar a { color: var(--primary); font-weight: 700; border-bottom: 1px solid transparent; }
.embed__bar a:hover { border-bottom-color: currentColor; }

/* iframe engellenirse gösterilen yedek — boş gri kutu bırakma */
.embed__fail {
  position: absolute; inset: 0;
  display: grid; place-content: center; justify-items: center; gap: 10px;
  padding: 28px; text-align: center;
  background: radial-gradient(600px 320px at 50% 45%, rgba(249,115,22,.10), transparent 68%), var(--panel);
}
.embed__fail-t { margin: 0; font-size: 1.06rem; font-weight: 700; color: var(--text); }
.embed__fail-s { margin: 0; font-size: .88rem; color: var(--muted); max-width: 44ch; }
.embed__fail .btn { margin-top: 6px; }

.embed__note { margin-top: 12px; font-size: .82rem; color: var(--muted-2); }
.embed__note a { color: var(--primary); border-bottom: 1px solid color-mix(in srgb, var(--primary) 45%, transparent); }
.embed__note a:hover { border-bottom-color: currentColor; }

/* ---------- 14. Vaka ---------- */
.case {
  display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px); align-items: center;
  padding: clamp(26px, 4vw, 46px);
  border: 1px solid var(--border); border-radius: var(--r-xl);
  background:
    radial-gradient(680px 320px at 88% 0%, rgba(23,184,166,.10), transparent 62%),
    var(--panel);
}
.case__copy h2 { margin-bottom: 16px; }
.case__copy p { color: var(--muted); }
.case__copy strong { color: var(--text); font-weight: 600; }
.case__copy .btn { margin-top: 10px; }
.case__stats { display: grid; gap: 12px; }
.stat { padding: 18px 20px; border: 1px solid var(--border); border-radius: var(--r); background: var(--panel-2); }
.stat b { display: block; font-size: 1.85rem; font-weight: 800; letter-spacing: -.035em; color: var(--primary); font-variant-numeric: tabular-nums; }
.stat span { display: block; margin-top: 2px; font-size: .82rem; color: var(--muted-2); }

/* ---------- 15. Teknoloji ---------- */
.tech { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: 22px; align-items: start; margin-bottom: 22px; }
.tech__tbl { border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--panel); overflow-x: auto; }
.tech table { width: 100%; border-collapse: collapse; font-size: .89rem; min-width: 420px; }
.tech th, .tech td { padding: 13px 18px; text-align: left; border-bottom: 1px solid var(--border); }
.tech thead th { font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted-2); font-weight: 800; background: var(--panel-2); }
.tech tbody th { font-weight: 600; color: var(--text); }
.tech td { color: var(--muted); }
.tech tbody tr:last-child th, .tech tbody tr:last-child td { border-bottom: 0; }

.tech__nums { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.num { padding: 16px; border: 1px solid var(--border); border-radius: var(--r); background: var(--panel); text-align: center; }
.num b { display: block; font-size: 1.6rem; font-weight: 800; letter-spacing: -.035em; color: var(--accent); font-variant-numeric: tabular-nums; }
.num span { display: block; margin-top: 2px; font-size: .76rem; color: var(--muted-2); }

.notes { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(250px, 100%), 1fr)); gap: 16px; }
.note { padding: 22px; border: 1px solid var(--border); border-radius: var(--r); background: var(--panel-2); }
.note h3 { margin-bottom: 8px; color: var(--primary); font-size: .98rem; }
.note p { font-size: .88rem; color: var(--muted); }

/* ---------- 16. Paketler ---------- */
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(272px, 100%), 1fr)); gap: 18px; align-items: start; }
.plan {
  position: relative; display: flex; flex-direction: column; gap: 14px;
  padding: 30px 26px; border: 1px solid var(--border); border-radius: var(--r-lg);
  background: var(--panel);
}
.plan--hot {
  border-color: color-mix(in srgb, var(--primary) 55%, var(--border));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--primary) 22%, transparent), var(--sh-2);
  background: linear-gradient(180deg, color-mix(in srgb, var(--primary) 7%, var(--panel)), var(--panel) 58%);
}
.plan__badge {
  position: absolute; top: -12px; left: 26px;
  padding: 5px 14px; border-radius: 999px;
  background: var(--primary); color: var(--on-primary);
  font-size: .68rem; font-weight: 800; letter-spacing: .05em;
}
.plan h3 { font-size: 1.3rem; }
.plan__for { margin: 0; font-size: .86rem; color: var(--muted-2); min-height: 2.6em; }
.plan ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; flex: 1; }
.plan li { position: relative; padding-left: 25px; font-size: .89rem; color: var(--muted); }
.plan li::before {
  content: ""; position: absolute; left: 0; top: 8px;
  width: 14px; height: 8px; border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg) scale(.8); transform-origin: center;
}
.plan .btn { margin-top: 6px; }
.plans__note { margin-top: 22px; text-align: center; font-size: .87rem; color: var(--muted-2); }

/* ---------- 17. SSS ---------- */
.faq { display: grid; gap: 10px; }
.faq__i { border: 1px solid var(--border); border-radius: var(--r); background: var(--panel); overflow: hidden; }
.faq__i[open] { border-color: color-mix(in srgb, var(--primary) 40%, var(--border)); }
.faq__i summary {
  display: flex; align-items: center; gap: 14px;
  padding: 17px 20px; cursor: pointer;
  font-weight: 600; font-size: .99rem; list-style: none;
  transition: background-color .18s ease, color .18s ease;
}
.faq__i summary::-webkit-details-marker { display: none; }
.faq__i summary::after {
  content: ""; margin-left: auto; flex: none;
  width: 10px; height: 10px;
  border-right: 2px solid var(--muted-2); border-bottom: 2px solid var(--muted-2);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform .25s ease, border-color .25s ease;
}
.faq__i[open] summary::after { transform: rotate(-135deg) translate(-3px, -3px); border-color: var(--primary); }
.faq__i summary:hover { background: var(--panel-2); }
.faq__b { padding: 0 20px 19px; font-size: .93rem; color: var(--muted); max-width: 68ch; }
.faq__b strong { color: var(--text); font-weight: 600; }

/* ---------- 18. İletişim ---------- */
/* SSS ile aynı taban zemini paylaşır; kendi ışıması onu ayrı bir blok yapar. */
.cta {
  background:
    radial-gradient(900px 420px at 18% 0%, color-mix(in srgb, var(--primary) 11%, transparent), transparent 62%),
    radial-gradient(700px 380px at 88% 20%, color-mix(in srgb, var(--accent) 9%, transparent), transparent 58%),
    var(--bg);
  border-top: 1px solid var(--border);
}
.cta__in { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .92fr); gap: clamp(28px, 5vw, 56px); align-items: start; }
.cta__copy h2 { margin-bottom: 14px; }
.cta__copy > p { color: var(--muted); max-width: 50ch; }
.cta__list { list-style: none; margin: 24px 0; padding: 0; display: grid; gap: 12px; }
.cta__list li { display: flex; align-items: center; gap: 11px; font-size: .94rem; color: var(--muted); }
.cta__list svg { color: var(--primary); flex: none; }
.cta__list a { border-bottom: 1px solid transparent; transition: color .18s ease, border-color .18s ease; }
.cta__list a:hover { color: var(--primary); border-bottom-color: currentColor; }
.cta__quick { display: flex; flex-wrap: wrap; gap: 10px; }

.form { padding: 28px; border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--panel); box-shadow: var(--sh-2); }
.form__h { margin-bottom: 20px; font-size: 1.14rem; }
.field { margin-bottom: 16px; }
.field label { display: block; margin-bottom: 6px; font-size: .84rem; font-weight: 600; color: var(--muted); }
.field label span { color: var(--crit); }
.field input, .field select, .field textarea {
  width: 100%; padding: 11px 14px;
  font: inherit; font-size: .94rem; color: var(--text);
  background: var(--panel-2); border: 1px solid var(--field-border); border-radius: var(--r-sm);
  transition: border-color .18s ease, box-shadow .18s ease, background-color .18s ease;
}
.field textarea { resize: vertical; min-height: 96px; }
.field input::placeholder, .field textarea::placeholder { color: var(--muted); opacity: 1; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--primary); box-shadow: var(--ring); background: var(--panel);
}
.field.is-bad input, .field.is-bad textarea { border-color: var(--crit); }
.err { margin: 6px 0 0; font-size: .8rem; color: var(--crit); }
.f2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
/* Canlı bölge DOM'da hep var; boşken görünmez. `hidden` ile sonradan
   gösterilirse ekran okuyucular değişikliği duyurmuyor. */
.form__ok:empty { display: none; }
.form__ok {
  margin: 14px 0 0; padding: 12px 14px; border-radius: var(--r-sm);
  border: 1px solid color-mix(in srgb, var(--good) 50%, transparent);
  background: color-mix(in srgb, var(--good) 16%, transparent);
  color: var(--good); font-size: .88rem;
}
/* Hata mesajı yeşil "başarılı" kutusunda görünmesin */
.form__ok.is-err {
  border-color: color-mix(in srgb, var(--high) 50%, transparent);
  background: color-mix(in srgb, var(--high) 14%, transparent);
  color: var(--high);
}
:root:not([data-theme="light"]) .form__ok.is-err { color: #ffa257; }
.form__kv { margin: 14px 0 0; font-size: .77rem; color: var(--muted-2); }

/* ---------- 19. Footer ---------- */
.ftr { border-top: 1px solid var(--border); background: var(--bg); padding-top: clamp(40px, 6vw, 64px); }
.ftr__in { display: grid; grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr)); gap: 32px; padding-bottom: 40px; }
.ftr__brand p { margin-top: 12px; font-size: .87rem; color: var(--muted-2); max-width: 40ch; }
/* Logodan kırpılan üçlü slogan — burada doğru yazımıyla, seçilebilir metin olarak */
.ftr__slogan {
  margin-top: 12px !important;
  font-size: .68rem !important; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted) !important;
  white-space: nowrap;
}
/* Çok dar ekranda tek satır zorlaması taşmaya yol açar */
@media (max-width: 380px) { .ftr__slogan { white-space: normal; letter-spacing: .1em; } }
.ftr__slogan span { color: var(--primary); margin: 0 4px; }
.ftr__col { display: flex; flex-direction: column; gap: 9px; }
.ftr__col h3 { margin-bottom: 4px; font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted-2); font-weight: 800; }
.ftr__col a { font-size: .89rem; color: var(--muted); transition: color .18s ease; }
.ftr__col a:hover { color: var(--primary); }
.ftr__bot {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px;
  padding-block: 20px; border-top: 1px solid var(--border);
  font-size: .8rem; color: var(--muted-2);
}
.ftr__bot p { margin: 0; }

/* ---------- 20. Yukarı çık ---------- */
.totop {
  position: fixed; right: 20px; bottom: 20px; z-index: var(--z-top);
  display: grid; place-items: center; width: 44px; height: 44px;
  border: 1px solid var(--border-2); border-radius: 50%;
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  color: var(--muted); box-shadow: var(--sh-2);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity .25s ease, transform .25s ease, visibility .25s ease, color .2s ease, border-color .2s ease;
}
.totop.is-on { opacity: 1; visibility: visible; transform: none; }
.totop:hover { color: var(--primary); border-color: var(--primary); }

/* ---------- 21. Reveal animasyonu ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .55s ease, transform .55s cubic-bezier(.2,.7,.3,1); }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- 22. Duyarlı ---------- */
@media (max-width: 1080px) {
  .trust { grid-template-columns: repeat(3, 1fr); }
  .tech { grid-template-columns: 1fr; }
  .tech__nums { grid-template-columns: repeat(3, 1fr); }
  .ftr__in { grid-template-columns: 1fr 1fr; }
  .ftr__brand { grid-column: 1 / -1; }
}

@media (max-width: 960px) {
  /* minmax(0,1fr) şart: düz `1fr` izin otomatik minimumu `auto` olduğundan
     küre kartındaki nowrap satırlar ızgarayı genişletip 375px'te ~175px taşırıyordu. */
  .hero__in, .demoband__in, .case, .cta__in, .panelgrid { grid-template-columns: minmax(0, 1fr); }
  .case__stats { grid-template-columns: repeat(2, 1fr); }
  .chrome { transform: none; }
  .demoband__shot:hover .chrome { transform: none; }
  /* Çok sütun (grid değil): başlık kendi listesinden kopmaz, sıra korunur. */
  .panelgrid__nav { columns: 2; column-gap: 26px; }
  .panelgrid__nav .panelgrid__g, .panelgrid__nav ul { break-inside: avoid; }
  .panelgrid__nav .panelgrid__g:first-child { margin-top: 0; }
}

/* Menü kırılması 1240px: yatay menünün gerçek ihtiyacı ölçüldü —
   marka 133 + menü 604 + eylemler 278 + boşluk ≈ 1110px, pay bırakıldı.
   Daha dar bir eşikte bağlantılar iki satıra sarıyordu. */
@media (max-width: 1240px) {
  /* Panel header'ın ALTINA açılır — böylece logo ve hamburger asla örtülmez,
     duyuru şeridi açık/kapalı olsun fark etmez, menü hep hamburgerle kapanır. */
  .nav {
    position: absolute; top: calc(100% + 1px); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 8px 20px 20px;
    background: var(--bg); border-bottom: 1px solid var(--border);
    box-shadow: var(--sh-3);
    opacity: 0; visibility: hidden; transform: translateY(-10px);
    transition: opacity .24s ease, transform .24s cubic-bezier(.3,.8,.3,1), visibility .24s;
    z-index: var(--z-nav);
    max-height: calc(100vh - 70px);
    max-height: calc(100dvh - 70px);
    overflow-y: auto;
  }
  body.nav-open .nav { opacity: 1; visibility: visible; transform: none; }
  .nav a { padding: 14px; font-size: 1rem; border-bottom: 1px solid var(--border); border-radius: 0; }
  .nav a:last-child { border-bottom: 0; }
  .burger { display: grid; }
  .hdr__demo { display: none; }
  /* Özgüllük .nav + .hdr__act (0,2,0) ile eşitlendi; yoksa auto uygulanmıyordu. */
  .hdr__act, .nav + .hdr__act { margin-left: auto; }
}

@media (max-width: 860px) {
  .announce__text, .announce__sep { display: none; }
}

/* 360px (Galaxy S8/S9 vb.) header'da marka + tema + CTA + hamburger sığmıyordu. */
@media (max-width: 430px) {
  .hdr .brand { width: 30px; height: 30px; }
  .hdr__act { gap: 6px; }
  .hdr__act .btn { padding: 9px 14px; font-size: .87rem; }
  .iconbtn { width: 36px; height: 36px; }
  .hdr__in { gap: 10px; }
}

/* 320px (iPhone SE 1. nesil) — header CTA'sı sığmıyor. Hero'da zaten
   "Kurulum Teklifi Al" var, menüde de "Teklif Al" bağlantısı görünür. */
@media (max-width: 359px) {
  .hdr__act .btn--primary { display: none; }
}

@media (max-width: 620px) {
  html { scroll-padding-top: 76px; }
  body { font-size: 15.5px; }
  .trust { grid-template-columns: repeat(2, 1fr); }
  .tech__nums { grid-template-columns: repeat(2, 1fr); }
  .case__stats { grid-template-columns: 1fr; }
  .f2 { grid-template-columns: 1fr; }
  .ftr__in { grid-template-columns: 1fr; gap: 26px; }
  .hero__cta .btn, .cta__quick .btn { width: 100%; }
  .globecard__feed { height: 88px; }
  .embed { aspect-ratio: 4 / 3; }        /* dar ekranda panel daha okunur */
  .prob, .card, .plan, .form { padding: 22px; }
  .demoband__tag { right: 6px; top: -10px; }
  .totop { right: 14px; bottom: 14px; }
}

/* ---------- 23. Hareket azaltma ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .flow__step::after { transform: scaleX(1); }
}

/* ---------- 24. Baskı ---------- */
@media print {
  .announce, .hdr, .totop, .embed, .globecard__feed { display: none !important; }
  body { background: #fff; color: #000; }
  .sec { padding-block: 24px; }
}