/* =========================================================
   DATAMER — tanıtım sitesi (ana sayfa, blog)
   Fikir: ofisin kâğıt evrakı (dilekçe, imza, kaşe) → tek ekranda onay.
   Lacivert mürekkep + turuncu kaşe = DATAMER logosunun iki rengi.
   ========================================================= */
@font-face {
    font-family: "Bricolage";
    src: url("../fonts/bricolage-latin.woff2") format("woff2");
    font-weight: 200 800; font-stretch: 75% 100%; font-display: swap;
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2212;
}
@font-face {
    font-family: "Bricolage";
    src: url("../fonts/bricolage-latin-ext.woff2") format("woff2");
    font-weight: 200 800; font-stretch: 75% 100%; font-display: swap;
    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+20A0-20AB, U+20AD-20C0;
}

:root {
    --murekkep: #13244a;
    --murekkep-2: #1f3b73;
    --kase: #f26b0f;
    --kase-koyu: #c4520a;
    --kagit: #ffffff;
    --buz: #eef2f8;
    --cizgi: #d9dfe9;
    --metin: #172033;
    --kursun: #556074;
    --onay: #1c8f52;
    --baslik: "Bricolage", "Segoe UI", system-ui, sans-serif;
    --govde: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
    --genislik: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body.tn { margin: 0; font-family: var(--govde); font-size: 17px; line-height: 1.6; color: var(--metin); background: var(--kagit); }
.tn a { color: var(--murekkep-2); }
.tn :focus-visible { outline: 3px solid var(--kase); outline-offset: 2px; border-radius: 3px; }
.tn h1, .tn h2, .tn h3 { font-family: var(--baslik); font-weight: 700; line-height: 1.08; letter-spacing: -0.01em; margin: 0; }
.tn-kap { max-width: var(--genislik); margin: 0 auto; padding: 0 24px; }
.tn-gizli { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- Üst bar ---------- */
.tn-ust { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.96); backdrop-filter: blur(6px); border-bottom: 1px solid var(--cizgi); }
.tn-ust .tn-kap { display: flex; align-items: center; gap: 28px; height: 66px; }
.tn-marka { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--murekkep) !important; }
.tn-logo { width: 36px; height: 36px; border-radius: 7px; background: linear-gradient(135deg, var(--murekkep-2) 0 55%, var(--kase) 55% 100%); color: #fff; display: grid; place-items: center; font: 800 19px var(--baslik); }
.tn-marka strong { font: 800 20px var(--baslik); letter-spacing: .04em; }
.tn-menu { display: flex; gap: 22px; margin-left: auto; align-items: center; }
.tn-menu a { text-decoration: none; color: var(--metin); font-size: 15.5px; }
.tn-menu a:hover { color: var(--kase-koyu); }
.tn-menu .tn-btn { color: #fff; }
.tn-mobil-giris { display: none; }

/* ---------- Düğmeler ---------- */
.tn-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 22px; border-radius: 6px; border: 2px solid transparent; font: 600 16px var(--govde); text-decoration: none; cursor: pointer; transition: background .15s, border-color .15s; }
.tn-btn-kase { background: var(--kase); color: #fff !important; }
.tn-btn-kase:hover { background: var(--kase-koyu); }
.tn-btn-cizgi { border-color: rgba(255,255,255,.45); color: #fff !important; background: transparent; }
.tn-btn-cizgi:hover { border-color: #fff; }
.tn-btn-murekkep { background: var(--murekkep); color: #fff !important; width: 100%; }
.tn-btn-murekkep:hover { background: var(--murekkep-2); }
.tn-btn-kucuk { min-height: 38px; padding: 0 16px; font-size: 15px; }

/* ---------- Hero ---------- */
.tn-hero { background: var(--murekkep); color: #fff; position: relative; overflow: hidden; }
.tn-hero::before { /* kâğıt satır çizgileri */
    content: ""; position: absolute; inset: 0; opacity: .07; pointer-events: none;
    background-image: repeating-linear-gradient(0deg, #fff 0 1px, transparent 1px 34px);
}
.tn-hero .tn-kap { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) 400px; grid-template-areas: "metin giris" "akis giris"; gap: 0 56px; padding-top: 72px; padding-bottom: 80px; align-items: start; }
.tn-hero-metin { grid-area: metin; }
.tn-giris { grid-area: giris; }
.tn-akis { grid-area: akis; }
.tn-hero h1 { font-size: clamp(40px, 5.6vw, 70px); font-stretch: 88%; font-weight: 750; max-width: 13ch; }
.tn-hero-alt { font-size: 19px; color: #c9d3e6; max-width: 34em; margin: 22px 0 30px; }
.tn-hero-dugme { display: flex; gap: 12px; flex-wrap: wrap; }

/* Evrak akışı: talep → yönetici → kaşe */
.tn-akis { margin-top: 52px; display: grid; grid-template-columns: minmax(0, 1fr) 250px; gap: 28px; align-items: center; max-width: 660px; }
.tn-adimlar { list-style: none; margin: 0; padding: 0; position: relative; }
.tn-adimlar::before { content: ""; position: absolute; left: 9px; top: 12px; bottom: 12px; width: 2px; background: rgba(255,255,255,.18); }
.tn-adimlar li { position: relative; padding: 0 0 18px 34px; color: #9fb0cc; font-size: 15px; line-height: 1.4; }
.tn-adimlar li:last-child { padding-bottom: 0; }
.tn-adimlar li strong { display: block; color: #fff; font-weight: 600; font-size: 15.5px; }
.tn-adimlar li::before { content: ""; position: absolute; left: 0; top: 2px; width: 20px; height: 20px; border-radius: 50%; background: var(--murekkep); border: 2px solid rgba(255,255,255,.35); }
.tn-adimlar li.tamam::before { background: var(--kase); border-color: var(--kase); box-shadow: inset 0 0 0 4px var(--murekkep); }

.tn-evrak { position: relative; background: #fff; color: var(--metin); border-radius: 4px; padding: 16px 18px 18px; box-shadow: 0 18px 40px rgba(4,12,30,.45); transform: rotate(1.5deg); }
.tn-evrak::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 5px; background: repeating-linear-gradient(90deg, var(--kase) 0 14px, transparent 14px 20px); border-radius: 4px 4px 0 0; }
.tn-evrak-ust { font-size: 12.5px; color: var(--kursun); display: flex; justify-content: space-between; margin-top: 4px; }
.tn-evrak h3 { font-size: 21px; margin: 6px 0 10px; font-stretch: 90%; }
.tn-evrak dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 3px 12px; font-size: 14px; }
.tn-evrak dt { color: var(--kursun); }
.tn-evrak dd { margin: 0; font-weight: 600; }
.tn-kase { position: absolute; right: -14px; bottom: -18px; border: 3px solid var(--onay); color: var(--onay); border-radius: 8px; padding: 4px 12px 5px; font: 800 19px var(--baslik); letter-spacing: .08em; text-align: center; line-height: 1.05; transform: rotate(-11deg); background: rgba(255,255,255,.88); }
.tn-kase small { display: block; font: 600 11px var(--govde); letter-spacing: 0; }

/* Tek sahne: sayfa açılınca adımlar sırayla dolar, sonunda kaşe basılır */
@media (prefers-reduced-motion: no-preference) {
    .tn-sahne .tn-adimlar li.tamam::before { animation: tnNokta .35s ease both; }
    .tn-sahne .tn-adimlar li:nth-child(1)::before { animation-delay: .5s; }
    .tn-sahne .tn-adimlar li:nth-child(2)::before { animation-delay: 1.2s; }
    .tn-sahne .tn-adimlar li:nth-child(3)::before { animation-delay: 1.9s; }
    .tn-sahne .tn-kase { animation: tnKase .45s cubic-bezier(.2,1.6,.4,1) 2.5s both; }
    @keyframes tnNokta { from { background: var(--murekkep); border-color: rgba(255,255,255,.35); box-shadow: none; } }
    @keyframes tnKase { from { opacity: 0; transform: rotate(-11deg) scale(2.2); } to { opacity: 1; transform: rotate(-11deg) scale(1); } }
}

/* Giriş kartı */
.tn-giris { background: #fff; color: var(--metin); border-radius: 10px; padding: 26px 26px 22px; box-shadow: 0 24px 60px rgba(4,12,30,.5); scroll-margin-top: 90px; }
.tn-giris h2 { font-size: 26px; font-stretch: 90%; }
.tn-giris > p { margin: 4px 0 18px; color: var(--kursun); font-size: 14.5px; }
.tn-alan { display: grid; gap: 5px; margin-bottom: 13px; }
.tn-alan label { font-size: 14px; font-weight: 600; }
.tn-alan input, .tn-alan select, .tn-alan textarea { width: 100%; min-height: 46px; padding: 10px 12px; border: 1.5px solid var(--cizgi); border-radius: 6px; font: 16px var(--govde); color: var(--metin); background: #fff; }
.tn-alan textarea { min-height: 96px; resize: vertical; }
.tn-alan input:focus, .tn-alan select:focus, .tn-alan textarea:focus { outline: none; border-color: var(--kase); box-shadow: 0 0 0 3px rgba(242,107,15,.18); }
.tn-alan .ipucu { font-size: 13px; color: var(--kursun); }
.tn-hata { color: #b42318; font-size: 13.5px; }
.tn-uyari { background: #fdecec; color: #8f1d1d; border-radius: 6px; padding: 10px 12px; font-size: 14.5px; margin-bottom: 14px; }
.tn-tamam { background: #e7f6ee; color: #14633a; border-radius: 6px; padding: 14px 16px; }
.tn-hatirla { display: flex; align-items: center; gap: 8px; font-size: 14.5px; margin: 2px 0 16px; }
.tn-hatirla input { width: 18px; height: 18px; accent-color: var(--kase); }
.tn-giris-alt { font-size: 13.5px; color: var(--kursun); margin: 14px 0 0; }

/* ---------- Bölümler ---------- */
.tn-bolum { padding: 96px 0; }
.tn-bolum-buz { background: var(--buz); }
.tn-bolum-baslik { max-width: 720px; margin-bottom: 52px; }
.tn-bolum-baslik h2 { font-size: clamp(32px, 4vw, 48px); font-stretch: 90%; }
.tn-bolum-baslik p { color: var(--kursun); font-size: 18.5px; margin: 14px 0 0; }

/* Modüller: grup adı solda, modüller sağda; kartsız, ince ayraçlı */
.tn-grup { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 32px; padding: 34px 0; border-top: 1px solid var(--cizgi); }
.tn-grup:last-child { border-bottom: 1px solid var(--cizgi); }
.tn-grup h3 { font-size: 25px; font-stretch: 92%; color: var(--murekkep); }
.tn-grup > div > p { color: var(--kursun); font-size: 15px; margin: 8px 0 0; }
.tn-moduller { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.tn-modul { padding: 0 24px; border-left: 1px solid var(--cizgi); }
.tn-modul:first-child { padding-left: 0; border-left: 0; }
.tn-modul .ikon { width: 26px; height: 26px; color: var(--kase); }
.tn-modul h4 { font: 700 18px var(--baslik); margin: 10px 0 6px; }
.tn-modul p { margin: 0; color: var(--kursun); font-size: 15.5px; line-height: 1.55; }

/* Roller: üç sütun, kim ne görür */
.tn-roller { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border: 1px solid var(--cizgi); border-radius: 10px; overflow: hidden; background: #fff; }
.tn-rol { padding: 30px 28px; }
.tn-rol + .tn-rol { border-left: 1px solid var(--cizgi); }
.tn-rol h3 { font-size: 24px; font-stretch: 92%; }
.tn-rol > p { color: var(--kursun); margin: 6px 0 16px; font-size: 15.5px; }
.tn-rol ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 9px; }
.tn-rol li { padding-left: 24px; position: relative; font-size: 15.5px; line-height: 1.45; }
.tn-rol li::before { content: ""; position: absolute; left: 2px; top: 6px; width: 11px; height: 6px; border-left: 2.5px solid var(--onay); border-bottom: 2.5px solid var(--onay); transform: rotate(-45deg); }
.tn-rol-serit { height: 6px; }
.tn-rol:nth-child(1) .tn-rol-serit { background: #8fa3c7; }
.tn-rol:nth-child(2) .tn-rol-serit { background: var(--murekkep-2); }
.tn-rol:nth-child(3) .tn-rol-serit { background: var(--kase); }
.tn-rol { padding-top: 0; }
.tn-rol-serit { margin: 0 -28px 26px; }

/* Güvenlik */
.tn-guven { background: var(--murekkep); color: #fff; }
.tn-guven .tn-bolum-baslik p { color: #b9c5dc; }
.tn-guven-liste { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 56px; margin: 0; padding: 0; list-style: none; }
.tn-guven-liste li { padding: 22px 0; border-top: 1px solid rgba(255,255,255,.14); }
.tn-guven-liste strong { display: block; font: 700 20px var(--baslik); margin-bottom: 4px; }
.tn-guven-liste span { color: #b9c5dc; font-size: 16px; }

/* Başlangıç adımları (gerçek bir sıra) */
.tn-baslangic { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; counter-reset: adim; margin: 0; padding: 0; list-style: none; }
.tn-baslangic li { counter-increment: adim; }
.tn-baslangic li::before { content: counter(adim); display: block; font: 800 64px/1 var(--baslik); color: var(--kase); margin-bottom: 10px; }
.tn-baslangic h3 { font-size: 22px; font-stretch: 92%; }
.tn-baslangic p { color: var(--kursun); margin: 8px 0 0; font-size: 16px; }

/* Blog listesi (ana sayfa + blog sayfası) */
.tn-yazilar { display: grid; gap: 0; }
.tn-yazi-satir { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 28px; padding: 28px 0; border-top: 1px solid var(--cizgi); text-decoration: none; color: inherit !important; }
.tn-yazi-satir:last-child { border-bottom: 1px solid var(--cizgi); }
.tn-yazi-meta { color: var(--kursun); font-size: 14px; line-height: 1.5; }
.tn-yazi-meta span { display: block; color: var(--kase-koyu); font-weight: 600; }
.tn-yazi-satir h3 { font-size: 25px; font-stretch: 92%; color: var(--murekkep); }
.tn-yazi-satir:hover h3 { text-decoration: underline; text-decoration-color: var(--kase); text-underline-offset: 5px; }
.tn-yazi-satir p { margin: 8px 0 0; color: var(--kursun); max-width: 62ch; }
.tn-tumu { display: inline-block; margin-top: 26px; font-weight: 600; }

/* Demo formu */
.tn-demo { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 64px; align-items: start; }
.tn-demo h2 { font-size: clamp(32px, 4vw, 46px); font-stretch: 90%; }
.tn-demo-metin p { color: var(--kursun); font-size: 18px; }
.tn-demo-metin ul { padding-left: 20px; color: var(--metin); }
.tn-demo-metin li { margin-bottom: 6px; }
.tn-form { background: #fff; border: 1px solid var(--cizgi); border-radius: 10px; padding: 28px; }
.tn-form-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
.tn-onay { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--kursun); margin: 4px 0 16px; }
.tn-onay input { width: 18px; height: 18px; margin-top: 2px; flex: none; accent-color: var(--kase); }

/* Alt bilgi */
.tn-alt { background: #0d1a37; color: #9fb0cc; padding: 40px 0; font-size: 15px; }
.tn-alt .tn-kap { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; }
.tn-alt a { color: #dbe3f1; text-decoration: none; }
.tn-alt a:hover { text-decoration: underline; }
.tn-alt nav { display: flex; gap: 20px; margin-left: auto; }

/* ---------- Blog yazı sayfası ---------- */
.tn-yazi-ust { background: var(--buz); padding: 64px 0 48px; }
.tn-yazi-ust .tn-kap, .tn-makale { max-width: 780px; }
.tn-geri { font-size: 15px; text-decoration: none; }
.tn-yazi-ust h1 { font-size: clamp(34px, 4.6vw, 52px); font-stretch: 88%; margin: 18px 0 14px; color: var(--murekkep); }
.tn-yazi-ust .tn-yazi-meta { font-size: 15px; }
.tn-yazi-ust .tn-yazi-meta span { display: inline; margin-right: 12px; }
.tn-makale { margin: 0 auto; padding: 48px 24px 80px; font-size: 18.5px; line-height: 1.72; }
.tn-makale .tn-ozet { font-size: 21px; line-height: 1.55; color: var(--murekkep); margin: 0 0 30px; }
.tn-makale h2 { font-size: 28px; font-stretch: 92%; margin: 40px 0 12px; color: var(--murekkep); }
.tn-makale h3 { font-size: 22px; margin: 30px 0 10px; }
.tn-makale p { margin: 0 0 18px; }
.tn-makale ul { margin: 0 0 18px; padding-left: 22px; }
.tn-makale li { margin-bottom: 6px; }
.tn-makale-cta { margin-top: 48px; padding: 26px 28px; border-left: 5px solid var(--kase); background: var(--buz); border-radius: 0 8px 8px 0; }
.tn-makale-cta p { margin: 0 0 14px; font-size: 17px; }
.tn-blog-bas { padding: 72px 0 24px; }
.tn-blog-bas h1 { font-size: clamp(38px, 5vw, 60px); font-stretch: 88%; color: var(--murekkep); }
.tn-blog-bas p { color: var(--kursun); font-size: 19px; max-width: 36em; }

/* ---------- Mobil ---------- */
@media (max-width: 1000px) {
    /* her gün giriş yapan kullanıcı kartı başlığın hemen altında görsün */
    .tn-hero .tn-kap { grid-template-columns: 1fr; grid-template-areas: "metin" "giris" "akis"; gap: 36px; padding-top: 48px; }
    .tn-akis { margin-top: 8px; }
    .tn-grup { grid-template-columns: 1fr; gap: 18px; }
    .tn-demo { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 760px) {
    body.tn { font-size: 16px; }
    .tn-kap { padding: 0 16px; }
    .tn-menu a:not(.tn-btn) { display: none; }
    .tn-menu .tn-btn { display: none; }
    .tn-mobil-giris { display: inline-flex; margin-left: auto; }
    .tn-akis { grid-template-columns: 1fr; gap: 30px; }
    .tn-evrak { max-width: 300px; }
    .tn-moduller { grid-template-columns: 1fr; gap: 22px; }
    .tn-modul { padding: 0; border-left: 0; }
    .tn-roller { grid-template-columns: 1fr; }
    .tn-rol + .tn-rol { border-left: 0; border-top: 1px solid var(--cizgi); }
    .tn-guven-liste { grid-template-columns: 1fr; }
    .tn-baslangic { grid-template-columns: 1fr; gap: 28px; }
    .tn-yazi-satir { grid-template-columns: 1fr; gap: 6px; }
    .tn-form-2 { grid-template-columns: 1fr; }
    .tn-bolum { padding: 64px 0; }
    .tn-form { padding: 20px; }
    .tn-alt nav { margin-left: 0; }
}

.tn .ikon { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; vertical-align: middle; }
.tn .tn-modul .ikon { width: 26px; height: 26px; color: var(--kase); }
.tn-btn.tn-mobil-giris { display: none; }
@media (max-width: 760px) { .tn-btn.tn-mobil-giris { display: inline-flex; } }