/* ITAsset tanıtım sitesi — tek dosya, dış bağımlılık yok (CSP: style-src 'self'). */
:root {
  --ink: #0f1f1a;
  --muted: #55645e;
  --line: #dfe8e3;
  --bg: #ffffff;
  --soft: #f4f8f6;
  --green-900: #0e3b2c;
  --green-800: #14573f;
  --green-700: #1c7050;
  --green-500: #2f9e72;
  --green-100: #dff3e9;
  --amber: #f0a43a;
  --red: #d64545;
  --radius: 14px;
  --shadow: 0 18px 50px -18px rgba(14, 59, 44, .35);
  --max: 1160px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #e8f2ed; --muted: #9db3a9; --line: #24382f; --bg: #0b1612; --soft: #101e18;
    --green-100: #163427; --shadow: 0 18px 50px -18px rgba(0, 0, 0, .6); color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--green-700); text-decoration-thickness: 1px; text-underline-offset: 3px; }
.wrap { width: min(100% - 32px, var(--max)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 8px; top: -60px; background: var(--green-800); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { top: 8px; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; border-radius: 6px; }

/* ---- üst çubuk ---- */
.top { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 66px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.2rem; color: var(--ink); text-decoration: none; letter-spacing: -.01em; }
.brand-mark { width: 34px; height: 34px; border-radius: 10px; background: linear-gradient(135deg, var(--green-800), var(--green-500)); display: grid; place-items: center; }
.nav { display: flex; align-items: center; gap: 26px; }
.nav a { color: var(--muted); text-decoration: none; font-weight: 600; font-size: .95rem; }
.nav a:hover { color: var(--ink); }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; color: var(--ink); font: inherit; cursor: pointer; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px; border-radius: 12px; font: inherit; font-weight: 700; text-decoration: none; border: 2px solid transparent; cursor: pointer; transition: transform .12s ease, box-shadow .12s ease, background .12s ease; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--green-700); color: #fff; box-shadow: 0 8px 22px -8px rgba(28, 112, 80, .7); }
.btn-primary:hover { background: var(--green-800); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--green-500); }
.btn-light { background: #fff; color: var(--green-900); }
.btn-lg { padding: 15px 28px; font-size: 1.05rem; }
.btn[disabled] { opacity: .6; cursor: not-allowed; transform: none; }

/* ---- hero ---- */
.hero { position: relative; overflow: hidden; background: radial-gradient(1100px 520px at 85% -10%, rgba(47, 158, 114, .28), transparent 60%), linear-gradient(160deg, var(--green-900), #0a2a20 70%); color: #fff; padding: 84px 0 110px; }
.hero::after { content: ""; position: absolute; inset: auto 0 0 0; height: 70px; background: linear-gradient(to bottom, transparent, var(--bg)); }
.hero .wrap { display: grid; grid-template-columns: 1.02fr 1.1fr; gap: 56px; align-items: center; position: relative; z-index: 1; }
.eyebrow { display: inline-flex; gap: 8px; align-items: center; background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .2); padding: 6px 14px; border-radius: 99px; font-size: .85rem; font-weight: 600; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: #5be3a6; box-shadow: 0 0 0 4px rgba(91, 227, 166, .25); }
h1 { font-size: clamp(2.1rem, 4.4vw, 3.4rem); line-height: 1.08; letter-spacing: -.025em; margin: 18px 0 18px; font-weight: 800; }
h1 em { font-style: normal; color: #7be8b6; }
.lead { font-size: 1.15rem; color: rgba(255, 255, 255, .85); max-width: 34em; margin: 0 0 30px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 30px; }
.hero-cta .btn-ghost { color: #fff; border-color: rgba(255, 255, 255, .35); }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px 26px; list-style: none; padding: 0; margin: 0; color: rgba(255, 255, 255, .8); font-size: .92rem; }
.hero-points li::before { content: "✓"; color: #7be8b6; margin-right: 8px; font-weight: 800; }

/* ürün penceresi (CSS ile çizilmiş vitrin; gerçek ekran görüntüleri assets/ altına konunca <img> ile değişir) */
.shot { background: #fff; color: #1b2a24; border-radius: 16px; box-shadow: var(--shadow), 0 0 0 1px rgba(255, 255, 255, .08); overflow: hidden; transform: perspective(1400px) rotateY(-4deg) rotateX(2deg); }
.shot-bar { display: flex; align-items: center; gap: 7px; padding: 11px 14px; background: #eef3f0; border-bottom: 1px solid #dfe8e3; }
.shot-bar i { width: 11px; height: 11px; border-radius: 50%; background: #cbd6d0; display: block; }
.shot-bar i:nth-child(1) { background: #ef7b72; } .shot-bar i:nth-child(2) { background: #f1c25b; } .shot-bar i:nth-child(3) { background: #62c98d; }
.shot-url { margin-left: 10px; flex: 1; background: #fff; border-radius: 8px; padding: 3px 12px; font-size: .75rem; color: #6a7a73; }
.shot-body { display: grid; grid-template-columns: 150px 1fr; min-height: 330px; }
.shot-side { background: #12372a; color: #cfe6dc; padding: 14px 12px; font-size: .74rem; display: grid; gap: 6px; align-content: start; }
.shot-side b { color: #fff; font-size: .8rem; margin-bottom: 6px; }
.shot-side span { padding: 6px 8px; border-radius: 7px; }
.shot-side span.on { background: rgba(255, 255, 255, .13); color: #fff; font-weight: 700; }
.shot-main { padding: 16px; display: grid; gap: 12px; align-content: start; background: #f6f9f7; }
.kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.kpi { border-radius: 10px; color: #fff; padding: 10px 12px; font-size: .68rem; }
.kpi strong { display: block; font-size: 1.35rem; line-height: 1.1; }
.k1 { background: linear-gradient(135deg, #1c7050, #2f9e72); } .k2 { background: linear-gradient(135deg, #2a5fb0, #4a86e0); } .k3 { background: linear-gradient(135deg, #b8791e, #e0a23c); }
.tbl { background: #fff; border: 1px solid #e2eae6; border-radius: 10px; overflow: hidden; font-size: .7rem; }
.tbl div { display: grid; grid-template-columns: 1.2fr 1fr .8fr .7fr; gap: 6px; padding: 8px 12px; border-top: 1px solid #edf2ef; align-items: center; }
.tbl div:first-child { border-top: 0; background: #f0f5f2; color: #6a7a73; font-weight: 700; text-transform: uppercase; font-size: .62rem; letter-spacing: .04em; }
.pill { display: inline-block; padding: 2px 8px; border-radius: 99px; font-weight: 700; font-size: .62rem; background: #dff3e9; color: #14573f; width: fit-content; }
.pill.warn { background: #fdecc8; color: #8a5a07; }
.float-card { position: absolute; background: #fff; color: #1b2a24; border-radius: 14px; padding: 12px 16px; box-shadow: var(--shadow); font-size: .8rem; display: flex; gap: 10px; align-items: center; z-index: 2; }
.float-card b { display: block; }
.fc1 { right: -14px; bottom: -26px; } .fc2 { left: -22px; top: 70px; }
.hero-visual { position: relative; }

/* ---- bölümler ---- */
section { padding: 84px 0; }
.sec-head { max-width: 46em; margin: 0 auto 48px; text-align: center; }
.sec-head h2 { font-size: clamp(1.7rem, 3vw, 2.5rem); line-height: 1.15; letter-spacing: -.02em; margin: 10px 0 12px; }
.sec-head p { color: var(--muted); font-size: 1.08rem; margin: 0; }
.kicker { color: var(--green-700); font-weight: 800; font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; }
.soft { background: var(--soft); }

.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease; }
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--green-500); }
.ico { width: 46px; height: 46px; border-radius: 12px; background: var(--green-100); color: var(--green-700); display: grid; place-items: center; margin-bottom: 16px; }
.card h3 { margin: 0 0 8px; font-size: 1.12rem; }
.card p { margin: 0; color: var(--muted); font-size: .98rem; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: s; }
.step { position: relative; padding: 28px 26px 26px; border-radius: var(--radius); background: var(--bg); border: 1px solid var(--line); }
.step::before { counter-increment: s; content: counter(s); position: absolute; top: -18px; left: 24px; width: 38px; height: 38px; border-radius: 50%; background: var(--green-700); color: #fff; font-weight: 800; display: grid; place-items: center; box-shadow: 0 6px 16px -4px rgba(28, 112, 80, .6); }
.step h3 { margin: 8px 0 6px; } .step p { margin: 0; color: var(--muted); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split h2 { font-size: clamp(1.6rem, 2.8vw, 2.3rem); line-height: 1.15; letter-spacing: -.02em; margin: 8px 0 14px; }
.split p { color: var(--muted); }
.checks { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; }
.checks li { display: flex; gap: 10px; align-items: flex-start; }
.checks li::before { content: ""; flex: none; width: 20px; height: 20px; margin-top: 3px; border-radius: 50%; background: var(--green-700) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5.5 10.5l3 3 6-7' fill='none' stroke='white' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 100% no-repeat; }
.panel { background: var(--green-900); color: #e7f4ee; border-radius: 18px; padding: 28px; box-shadow: var(--shadow); }
.panel h3 { margin: 0 0 14px; color: #fff; }
.flow { display: grid; gap: 10px; }
.flow div { display: flex; align-items: center; gap: 12px; background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .12); border-radius: 12px; padding: 12px 14px; font-size: .92rem; }
.flow b { color: #7be8b6; width: 26px; flex: none; }
.flow .arrow { justify-content: center; background: none; border: 0; padding: 0; color: #7be8b6; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; text-align: center; }
.stat strong { display: block; font-size: 2.4rem; line-height: 1.1; color: var(--green-700); letter-spacing: -.02em; }
.stat span { color: var(--muted); font-size: .95rem; }

.video { position: relative; border-radius: 18px; overflow: hidden; background: #0a2a20; aspect-ratio: 16 / 9; box-shadow: var(--shadow); display: grid; place-items: center; color: #fff; text-align: center; }
.video video { width: 100%; height: 100%; object-fit: cover; }
.video-ph { padding: 24px; }
.video-ph .play { width: 74px; height: 74px; border-radius: 50%; background: rgba(255, 255, 255, .15); border: 2px solid rgba(255, 255, 255, .5); display: grid; place-items: center; margin: 0 auto 14px; }

details { border: 1px solid var(--line); border-radius: 12px; padding: 4px 20px; background: var(--bg); }
details + details { margin-top: 12px; }
summary { cursor: pointer; font-weight: 700; padding: 14px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-size: 1.4rem; line-height: 1; color: var(--green-700); }
details[open] summary::after { content: "–"; }
details p { margin: 0 0 16px; color: var(--muted); }
.faq { max-width: 780px; margin-inline: auto; }

/* ---- başvuru ---- */
.cta { background: linear-gradient(160deg, var(--green-900), #0a2a20); color: #fff; }
.cta .wrap { display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: start; }
.cta h2 { font-size: clamp(1.8rem, 3.2vw, 2.7rem); line-height: 1.12; letter-spacing: -.02em; margin: 8px 0 14px; }
.cta p { color: rgba(255, 255, 255, .82); }
.cta .checks li::before { background-color: #2f9e72; }
form.apply { background: var(--bg); color: var(--ink); border-radius: 18px; padding: 28px; box-shadow: var(--shadow); display: grid; gap: 16px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
label { display: grid; gap: 6px; font-weight: 700; font-size: .88rem; }
input, select, textarea { font: inherit; padding: 11px 13px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); width: 100%; }
input:focus, select:focus, textarea:focus { outline: 3px solid color-mix(in srgb, var(--green-500) 45%, transparent); border-color: var(--green-500); }
textarea { resize: vertical; min-height: 84px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 500; font-size: .86rem; color: var(--muted); }
.check input { width: 18px; height: 18px; margin-top: 3px; flex: none; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.msg { padding: 12px 14px; border-radius: 10px; font-weight: 600; font-size: .92rem; }
.msg.ok { background: var(--green-100); color: var(--green-800); }
.msg.err { background: #fde3e3; color: #8c1f1f; }
[hidden] { display: none !important; }
.fine { font-size: .8rem; color: var(--muted); margin: 0; }

/* ---- indirme sayfası ---- */
.dl { max-width: 640px; margin: 64px auto 90px; }
.dl .card:hover { transform: none; box-shadow: none; border-color: var(--line); }
.bar { height: 10px; border-radius: 99px; background: var(--line); overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; background: var(--green-500); transition: width .2s; }
code, .mono { font-family: ui-monospace, Consolas, monospace; font-size: .82rem; word-break: break-all; }

footer { padding: 44px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
footer a { color: var(--muted); margin-right: 18px; }

/* ---- dar ekran ---- */
@media (max-width: 980px) {
  .hero .wrap, .cta .wrap, .split { grid-template-columns: 1fr; gap: 40px; }
  .grid3, .steps { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: 1fr 1fr; gap: 28px; }
  .shot { transform: none; }
  .fc1, .fc2 { display: none; }
}
@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav { display: none; position: absolute; top: 66px; left: 0; right: 0; background: var(--bg); border-bottom: 1px solid var(--line); flex-direction: column; align-items: flex-start; padding: 16px; gap: 14px; }
  .nav.open { display: flex; }
  .grid3, .steps, .row { grid-template-columns: 1fr; }
  section { padding: 60px 0; }
  .hero { padding: 56px 0 90px; }
  .shot-body { grid-template-columns: 1fr; }
  .shot-side { display: none; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }
.kicker-light { color: #7be8b6; }
.dl-title { font-size: clamp(1.6rem, 3vw, 2.2rem); line-height: 1.15; letter-spacing: -.02em; margin: 8px 0 12px; }
.dl-form { box-shadow: none; padding: 20px 0 0; border-radius: 0; }
.dl details { margin-top: 18px; }
.legal { max-width: 760px; }
.legal h2 { font-size: 1.15rem; margin: 28px 0 6px; }
.legal p { color: var(--muted); margin: 0; }
.nav a.btn-primary, .nav a.btn-primary:hover { color: #fff; }
.fc2 { left: auto; right: 38%; top: -34px; }
.wrap > *, .hero-visual, .shot { min-width: 0; }
.hero { overflow-x: clip; }

/* gerçek durum kartları */
.cases { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.case { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.case h3 { margin: 0 0 14px; font-size: 1.15rem; line-height: 1.3; }
.case p { margin: 0 0 12px; font-size: .97rem; }
.case .before { color: var(--muted); }
.case .after { background: var(--green-100); border-radius: 10px; padding: 12px 14px; margin-bottom: 0; }
.need { max-width: 760px; margin: 40px auto 0; background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 28px; }
.need h3 { margin: 0 0 4px; }
.card p { line-height: 1.55; }
@media (max-width: 720px) { .cases { grid-template-columns: 1fr; } }