/* ==========================================================================
   uzem.app — tanıtım sitesi
   Yön: sıcak kağıt zemin, mürekkep siyahı, tek vurgu rengi, çizgili editoryal
   grid. Gradyan, gölge yığını ve dekoratif efekt kullanılmaz; hiyerarşi
   tipografi ve çizgilerle kurulur.
   ========================================================================== */

:root {
    --paper:      #F6F4EF;
    --paper-2:    #FFFFFF;
    --paper-3:    #EFECE4;
    --ink:        #16150F;
    --ink-2:      #33302A;
    --muted:      #6E695D;
    --muted-2:    #8C877A;
    --line:       #DCD7CB;
    --line-2:     #E7E3D9;
    --accent:     #BE4520;
    --accent-ink: #8F3315;
    --accent-bg:  #F6E7E0;

    --max: 1160px;
    --gutter: 28px;
    --rule: 1px solid var(--line);

    --sans: 'Archivo', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

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

::selection { background: var(--ink); color: var(--paper); }

/* ---------------------------------------------------------------- Yerleşim */
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

.section { padding: 86px 0; border-top: var(--rule); }
.section--tight { padding: 56px 0; }
.section--ink { background: var(--ink); color: #EDEAE1; border-top: none; }
.section--paper2 { background: var(--paper-2); }

/* Bölüm başlığı: solda numara + etiket, sağda içerik */
.shead { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 40px; margin-bottom: 48px; }
.shead__meta { padding-top: 6px; }
.shead__no {
    font-family: var(--mono); font-size: 12px; letter-spacing: .1em;
    color: var(--accent); display: block; margin-bottom: 8px;
}
.shead__label {
    font-family: var(--mono); font-size: 11.5px; letter-spacing: .14em;
    text-transform: uppercase; color: var(--muted-2);
}
.shead h2 { margin: 0; }
.shead p { margin: 14px 0 0; max-width: 62ch; color: var(--muted); font-size: 17px; }
.section--ink .shead__label { color: #8F897B; }
.section--ink .shead p { color: #B6B1A4; }

/* --------------------------------------------------------------- Tipografi */
h1, h2, h3, h4 { font-weight: 700; letter-spacing: -.028em; line-height: 1.06; margin: 0; }

.h-display { font-size: clamp(38px, 5.1vw, 63px); }
h2 { font-size: clamp(27px, 3.4vw, 38px); line-height: 1.1; }
h3 { font-size: 19px; letter-spacing: -.015em; line-height: 1.3; }

.lead { font-size: clamp(17px, 1.5vw, 19.5px); line-height: 1.62; color: var(--ink-2); }
.mono { font-family: var(--mono); }
.eyebrow {
    font-family: var(--mono); font-size: 11.5px; letter-spacing: .16em;
    text-transform: uppercase; color: var(--accent);
}
.muted { color: var(--muted); }
.small { font-size: 14px; }

/* ---------------------------------------------------------------- Butonlar */
.btn {
    display: inline-flex; align-items: center; gap: 9px;
    height: 48px; padding: 0 22px; border: 1px solid var(--ink);
    font-size: 15px; font-weight: 600; letter-spacing: -.01em;
    background: transparent; color: var(--ink); cursor: pointer;
    font-family: inherit; transition: background .15s, color .15s, border-color .15s;
}
.btn--fill { background: var(--ink); color: var(--paper); }
.btn--fill:hover { background: var(--accent); border-color: var(--accent); }
.btn:hover { background: var(--ink); color: var(--paper); }
.btn--ghost { border-color: var(--line); }
.btn--ghost:hover { border-color: var(--ink); }
.btn--sm { height: 40px; padding: 0 15px; font-size: 14px; }
.btn--light { border-color: #3A382F; color: #EDEAE1; }
.btn--light:hover { background: #EDEAE1; color: var(--ink); border-color: #EDEAE1; }
.btn--light-fill { background: #EDEAE1; color: var(--ink); border-color: #EDEAE1; }
.btn--light-fill:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn__arrow { font-family: var(--mono); font-size: 15px; }

/* ------------------------------------------------------------------ Başlık */
.site-head {
    position: sticky; top: 0; z-index: 50;
    background: rgba(246, 244, 239, .92);
    backdrop-filter: blur(8px);
    border-bottom: var(--rule);
}
.site-head__in { display: flex; align-items: center; gap: 28px; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 19px; letter-spacing: -.03em; }
.brand__mark { width: 24px; height: 24px; flex-shrink: 0; }
.brand__ad { line-height: 1; }
.brand__tld { color: var(--muted); }
.site-foot .brand { font-size: 18px; }

/* Klavye ile gezinenler için içeriğe atlama bağlantısı */
.atla {
    position: absolute; left: -9999px; top: 0; z-index: 100;
    background: var(--ink); color: var(--paper); padding: 12px 18px; font-size: 14px; font-weight: 600;
}
.atla:focus { left: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.site-nav { display: flex; gap: 4px; margin-left: auto; white-space: nowrap; }
.site-nav a {
    padding: 8px 12px; font-size: 14.5px; font-weight: 500; color: var(--ink-2);
    border-bottom: 2px solid transparent; transition: color .15s, border-color .15s;
}
.site-nav a:hover { color: var(--ink); }
.site-nav a.is-active { border-bottom-color: var(--accent); color: var(--ink); }
.site-head .btn { margin-left: 6px; }
.burger {
    display: none; width: 42px; height: 42px; margin-left: auto;
    border: 1px solid var(--line); background: transparent; cursor: pointer;
    align-items: center; justify-content: center; flex-direction: column; gap: 4px;
}
.burger span { width: 16px; height: 1.5px; background: var(--ink); display: block; }

/* --------------------------------------------------------------- Kahraman */
.hero { padding: 78px 0 0; }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr); gap: 56px; align-items: start; }
.hero h1 { margin: 18px 0 0; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero__lead { margin: 24px 0 0; max-width: 46ch; }
.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 34px; }
.hero__spec {
    margin-top: 40px; padding-top: 18px; border-top: var(--rule);
    font-family: var(--mono); font-size: 12.5px; color: var(--muted);
    display: flex; flex-wrap: wrap; gap: 6px 18px;
}
.hero__spec b { color: var(--ink); font-weight: 500; }

/* Şematik arayüz — ekran görüntüsü taklidi değil, sadeleştirilmiş gösterim */
.panel {
    background: var(--paper-2); border: 1px solid var(--ink);
    box-shadow: 8px 8px 0 var(--paper-3);
}
.panel__bar {
    display: flex; align-items: center; gap: 10px; padding: 11px 14px;
    border-bottom: 1px solid var(--ink); background: var(--ink); color: #EDEAE1;
    font-family: var(--mono); font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase;
}
.panel__live { display: inline-flex; align-items: center; gap: 6px; margin-left: auto; color: #F0A28A; text-transform: none; letter-spacing: 0; }
.panel__live i { width: 6px; height: 6px; background: var(--accent); display: block; border-radius: 50%; }
.panel__body { padding: 16px; }
.panel__row {
    display: grid; grid-template-columns: 1fr auto auto; gap: 12px; align-items: center;
    padding: 10px 4px; border-bottom: 1px solid var(--line-2); font-size: 13.5px;
}
.panel__row:last-child { border-bottom: none; }
.panel__who { display: flex; align-items: center; gap: 10px; min-width: 0; }
.panel__ini {
    width: 26px; height: 26px; background: var(--paper-3); color: var(--ink-2);
    font-size: 11px; font-weight: 700; display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.panel__name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tag {
    font-family: var(--mono); font-size: 10.5px; letter-spacing: .06em; text-transform: uppercase;
    padding: 3px 7px; border: 1px solid var(--line); color: var(--muted); white-space: nowrap;
}
.tag--on { border-color: var(--accent); color: var(--accent-ink); background: var(--accent-bg); }
.tag--ink { border-color: var(--ink); color: var(--ink); }
.panel__foot {
    border-top: 1px solid var(--ink); padding: 11px 14px; display: flex; gap: 14px;
    font-family: var(--mono); font-size: 11.5px; color: var(--muted);
}
.panel__foot b { color: var(--ink); font-weight: 500; }

/* --------------------------------------------------- Numaralı özet bloklar */
.pillars { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: var(--rule); }
.pillar { padding: 30px 26px 34px; border-right: var(--rule); }
.pillar:last-child { border-right: none; }
.pillar__no { font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: .1em; }
.pillar h2 { font-size: 19px; letter-spacing: -.015em; line-height: 1.3; margin: 14px 0 10px; }
.pillar p { margin: 0; font-size: 14.5px; line-height: 1.6; color: var(--muted); }

/* ------------------------------------------------------------ Föy tablosu */
.sheet { width: 100%; border-collapse: collapse; }
.sheet th {
    text-align: left; font-family: var(--mono); font-size: 11px; letter-spacing: .14em;
    text-transform: uppercase; color: var(--muted-2); font-weight: 400;
    padding: 0 16px 12px 0; border-bottom: 1px solid var(--ink);
}
.sheet td { padding: 17px 16px 17px 0; border-bottom: var(--rule); vertical-align: top; font-size: 15px; }
.sheet tr:last-child td { border-bottom: none; }
.sheet__key { width: 240px; font-weight: 600; letter-spacing: -.012em; }
.sheet__val { color: var(--muted); line-height: 1.58; }
.sheet__note { width: 150px; font-family: var(--mono); font-size: 11.5px; color: var(--muted-2); white-space: nowrap; }
.section--ink .sheet th { color: #8F897B; border-bottom-color: #3A382F; }
.section--ink .sheet td { border-bottom-color: #2A2820; }
.section--ink .sheet__val { color: #B6B1A4; }

/* ------------------------------------------------------------------ Akış */
.flow { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; border: 1px solid var(--line); background: var(--paper-2); }
.flow__step { padding: 24px 20px 26px; border-right: 1px solid var(--line); }
.flow__step:last-child { border-right: none; }
.flow__no { font-family: var(--mono); font-size: 11.5px; color: var(--accent); letter-spacing: .1em; }
.flow__step h3 { font-size: 16px; margin: 10px 0 8px; }
.flow__step p { margin: 0; font-size: 13.5px; line-height: 1.55; color: var(--muted); }

/* ---------------------------------------------------- POS yönlendirme ağacı */
.tree { font-family: var(--mono); font-size: 13.5px; line-height: 2; color: #B6B1A4; }
.tree b { color: #EDEAE1; font-weight: 500; }
.tree .tree__cond { color: #E9A98F; }
.tree .tree__out { color: #EDEAE1; border-bottom: 1px dotted #4A473C; }

/* -------------------------------------------------------------- Kart dizisi */
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; border: 1px solid var(--line); background: var(--paper-2); }
.card { padding: 32px 30px 34px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.card:nth-child(2n) { border-right: none; }
.card:nth-last-child(-n+2) { border-bottom: none; }
.card h3 { margin: 0 0 10px; }
.card p { margin: 0; font-size: 14.5px; color: var(--muted); line-height: 1.6; }
.card__label { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted-2); display: block; margin-bottom: 12px; }
.card ul { margin: 12px 0 0; padding: 0; list-style: none; }
.card li { font-size: 14px; color: var(--muted); padding: 5px 0 5px 16px; position: relative; }
.card li::before { content: '—'; position: absolute; left: 0; color: var(--line); }

/* ----------------------------------------------------------- Fiyat paketleri */
.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border: 1px solid var(--ink); background: var(--paper-2); }
.plan { padding: 32px 28px 34px; border-right: 1px solid var(--line); display: flex; flex-direction: column; }
.plan:last-child { border-right: none; }
.plan--mark { background: var(--ink); color: #EDEAE1; }
.plan__name { font-family: var(--mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
.plan--mark .plan__name { color: #F0A28A; }
.plan h2 { font-size: 24px; margin: 16px 0 12px; }
.plan__desc { font-size: 14.5px; color: var(--muted); margin: 0 0 22px; line-height: 1.6; }
.plan--mark .plan__desc { color: #B6B1A4; }
.plan ul { margin: 0 0 26px; padding: 0; list-style: none; font-size: 14.5px; }
.plan li { padding: 8px 0 8px 20px; position: relative; border-bottom: 1px solid var(--line-2); }
.plan--mark li { border-bottom-color: #2A2820; }
.plan li::before { content: '+'; position: absolute; left: 0; font-family: var(--mono); color: var(--accent); }
.plan .btn { margin-top: auto; justify-content: center; }

/* ------------------------------------------------------------------- SSS */
.faq { border-top: 1px solid var(--ink); }
.faq details { border-bottom: var(--rule); }
.faq summary {
    list-style: none; cursor: pointer; padding: 22px 40px 22px 0; position: relative;
    font-size: 17px; font-weight: 600; letter-spacing: -.015em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
    content: '+'; position: absolute; right: 6px; top: 20px;
    font-family: var(--mono); font-size: 19px; color: var(--accent); font-weight: 400;
}
.faq details[open] summary::after { content: '–'; }
.faq p { margin: 0 0 24px; max-width: 70ch; color: var(--muted); }

/* ------------------------------------------------------------------ Form */
.form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 24px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label { font-family: var(--mono); font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted-2); }
.field input, .field select, .field textarea {
    font-family: inherit; font-size: 15px; color: var(--ink);
    background: var(--paper-2); border: 1px solid var(--line); padding: 12px 14px;
    outline: none; transition: border-color .15s;
}
.field textarea { min-height: 130px; resize: vertical; line-height: 1.6; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--ink); }

/* ------------------------------------------------------- Form geri bildirimi */
.mesaj {
    border: 1px solid var(--ink); background: var(--paper-2);
    padding: 18px 20px; margin-bottom: 26px; font-size: 15px; line-height: 1.6;
    border-left-width: 3px; border-left-color: var(--accent);
}
.mesaj strong { display: block; margin-bottom: 4px; letter-spacing: -.015em; }
.mesaj a { text-decoration: underline; }
.mesaj--ok { border-left-color: #2F6B45; }
.mesaj--uyari { border-left-color: var(--accent); background: var(--accent-bg); border-color: var(--accent); }
.field__err { font-size: 12.5px; color: var(--accent-ink); }
.field input[aria-invalid="true"], .field.has-err input { border-color: var(--accent); }
/* Bot tuzağı: ekranda görünmez, ekran okuyucudan da gizli */
.tuzak { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ------------------------------------------------------------------- Blog */
.yazi-liste { border-top: 1px solid var(--ink); }
.yazi-satir {
    display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: 36px;
    padding: 34px 0; border-bottom: var(--rule);
}
/* Kapak görseli olan satır üç sütuna açılır */
.yazi-satir:has(.yazi-satir__gorsel) { grid-template-columns: 160px 240px minmax(0, 1fr); }
.yazi-satir__meta {
    display: flex; flex-direction: column; gap: 7px; padding-top: 5px;
    font-family: var(--mono); font-size: 11.5px; color: var(--muted-2);
}
.yazi-satir__etiket { color: var(--accent); letter-spacing: .12em; text-transform: uppercase; }
.yazi-satir__govde h2 { font-size: 25px; line-height: 1.15; margin: 0 0 10px; }
.yazi-satir__govde h2 a { transition: color .16s; }
.yazi-satir__govde h2 a:hover { color: var(--accent); }
.yazi-satir__govde p { margin: 0 0 14px; color: var(--muted); font-size: 15.5px; max-width: 68ch; }
.yazi-satir__link { font-size: 14px; font-weight: 600; border-bottom: 1px solid var(--line); padding-bottom: 2px; }
.yazi-satir__link:hover { border-bottom-color: var(--ink); }

.kirinti { font-family: var(--mono); font-size: 12px; color: var(--muted-2); margin-bottom: 26px; }
.kirinti a { border-bottom: 1px solid var(--line); }
.kirinti a:hover { border-bottom-color: var(--ink); }
.kirinti span { margin: 0 8px; }

.yazi-bas { max-width: 760px; padding-bottom: 40px; border-bottom: 1px solid var(--ink); }
.yazi-bas__meta {
    display: flex; gap: 18px; flex-wrap: wrap; align-items: center;
    font-family: var(--mono); font-size: 11.5px; color: var(--muted-2); margin-bottom: 18px;
}
.yazi-bas h1 { font-size: clamp(30px, 4.2vw, 46px); line-height: 1.08; }
.yazi-bas .lead { margin: 20px 0 0; max-width: 62ch; }

.yazi-govde { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 64px; align-items: start; padding-top: 44px; }

/* Yazı tipografisi */
.yazi { max-width: 68ch; font-size: 17px; line-height: 1.72; color: var(--ink-2); }
.yazi > *:first-child { margin-top: 0; }
.yazi p { margin: 0 0 22px; }
.yazi h2 { font-size: 27px; margin: 46px 0 16px; letter-spacing: -.022em; color: var(--ink); }
.yazi h3 { font-size: 18.5px; margin: 32px 0 10px; color: var(--ink); }
.yazi strong { color: var(--ink); font-weight: 600; }
.yazi em { font-style: italic; }
.yazi a { color: var(--accent-ink); border-bottom: 1px solid var(--accent-bg); }
.yazi a:hover { border-bottom-color: var(--accent); }
.yazi ul, .yazi ol { margin: 0 0 22px; padding-left: 22px; }
.yazi li { margin-bottom: 9px; }
.yazi ul { list-style: none; padding-left: 0; }
.yazi ul li { position: relative; padding-left: 20px; }
.yazi ul li::before { content: '—'; position: absolute; left: 0; color: var(--line); }
.yazi .sheet { margin: 0 0 26px; font-size: 15px; }
.yazi .note { margin: 34px 0 0; }
.yazi .note a { border-bottom-color: var(--accent); }

.yazi-yan { position: sticky; top: 96px; display: flex; flex-direction: column; gap: 16px; }
.yazi-kutu { border: 1px solid var(--line); background: var(--paper-2); padding: 22px 20px 24px; }
.yazi-kutu h3 { font-size: 17px; margin: 0 0 10px; }
.yazi-kutu p { margin: 0 0 18px; font-size: 14px; color: var(--muted); line-height: 1.6; }
.yazi-ilgili { list-style: none; margin: 0; padding: 0; }
.yazi-ilgili li { border-top: 1px solid var(--line-2); }
.yazi-ilgili li:first-child { border-top: none; }
.yazi-ilgili a { display: block; padding: 11px 0; font-size: 14px; font-weight: 600; line-height: 1.45; color: var(--ink-2); }
.yazi-ilgili a:hover { color: var(--accent); }

/* ------------------------------------------------------------- CTA şeridi */
.cta { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 40px; align-items: center; }
.cta h2 { max-width: 20ch; }
.cta p { margin: 14px 0 0; color: #B6B1A4; max-width: 54ch; }
.cta__actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ------------------------------------------------------------------ Alt bilgi */
.site-foot { border-top: var(--rule); padding: 44px 0 56px; }
.site-foot__in { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr)); gap: 40px; }
.site-foot h2 { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted-2); font-weight: 400; margin: 0 0 14px; }
.site-foot a { display: block; padding: 5px 0; font-size: 14.5px; color: var(--muted); }
.site-foot a:hover { color: var(--ink); }
.site-foot a.site-foot__wa { display: inline-flex; align-items: center; gap: 7px; }
.site-foot__wa .wa__ikon { flex: none; opacity: .7; }
.site-foot__wa:hover .wa__ikon { opacity: 1; }
.site-foot__adres {
    margin: 14px 0 0; font-style: normal; font-size: 13px; line-height: 1.55;
    color: var(--muted-2); max-width: 30ch;
}

.site-foot__bar {
    margin-top: 40px; padding-top: 20px; border-top: var(--rule);
    display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
    font-family: var(--mono); font-size: 11.5px; color: var(--muted-2);
}

/* ------------------------------------------------------------------ Yardımcı */
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 56px; }
.stack > * + * { margin-top: 18px; }
.rule { border: none; border-top: var(--rule); margin: 0; }
.note {
    border-left: 2px solid var(--accent); padding: 4px 0 4px 18px;
    font-size: 14.5px; color: var(--muted); max-width: 62ch;
}

/* ------------------------------------------------------------------ Duyarlı */
/* ------------------------------------------------- Modül sayfaları ve ekranlar */
.modul-bas { max-width: 46rem; }
.modul-bas h1 { font-size: clamp(32px, 4.4vw, 50px); line-height: 1.06; margin: 16px 0 0; }
.modul-bas .lead { margin: 22px 0 0; }

/* Ekran görüntüsü: sitenin keskin çerçeve ve sert gölge dili */
.ekran { margin: 40px 0 0; }
.ekran img { display: block; width: 100%; height: auto; border: 1px solid var(--ink); background: var(--paper-2); }
.ekran figcaption { margin-top: 12px; font-size: 13.5px; line-height: 1.5; color: var(--muted); max-width: 62ch; }
.ekran figcaption b { color: var(--ink); font-weight: 600; }
.ekran--genis img { box-shadow: 10px 10px 0 var(--paper-3); }
.ekran--genis { margin-top: 44px; }
.ekran__not { margin: 18px 0 0; font-family: var(--mono); font-size: 11.5px; letter-spacing: .04em; color: var(--muted-2); }

.modul-govde { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 56px; margin-top: 56px; }
.sheet--dar { font-size: 13.5px; }
.sheet--dar .sheet__key { width: 108px; font-size: 13px; }
.sheet--dar td { padding: 11px 12px 11px 0; }

.modul-liste { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: var(--rule); border-left: var(--rule); }
.modul-kart { display: block; padding: 26px 24px 24px; border-right: var(--rule); border-bottom: var(--rule); transition: background .15s; }
.modul-kart:hover { background: var(--paper-2); }
.modul-kart h3 { font-size: 18px; margin: 0 0 8px; }
.modul-kart p { font-size: 14px; line-height: 1.55; color: var(--muted); margin: 0; }
.modul-kart__ok { display: block; margin-top: 16px; font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }

/* Ana sayfadaki ekran görüntüsü şeridi */
.ekran-ucler { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; margin-top: 44px; }
.ekran-ucler .ekran { margin: 0; }
.ekran-ucler .ekran figcaption { font-size: 12.5px; }
.ekran-alt {
    display: flex; align-items: center; justify-content: space-between; gap: 26px; flex-wrap: wrap;
    margin-top: 44px; padding-top: 26px; border-top: var(--rule);
}
.ekran-alt p { margin: 0; font-size: 15px; color: var(--muted); max-width: 46ch; }

/* Yazı içindeki şema görselleri */
.sema { margin: 40px 0 0; }
.sema img { display: block; width: 100%; height: auto; border: 1px solid var(--line); background: var(--paper-2); }
.sema figcaption { margin-top: 12px; font-size: 13.5px; line-height: 1.5; color: var(--muted); max-width: 62ch; }
.yazi .sema:first-child, .yazi .ekran:first-child { margin-top: 0; }
.yazi .sema + h2, .yazi .ekran + h2 { margin-top: 46px; }

/* Blog listesindeki küçük kapak görseli */
.yazi-satir__gorsel { display: block; align-self: start; }
.yazi-satir__gorsel img {
    display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; object-position: top left;
    border: 1px solid var(--line); background: var(--paper-2);
}
.yazi-satir__gorsel--sema img { object-fit: contain; object-position: center; background: var(--paper-2); }
.yazi-satir__gorsel:hover img { border-color: var(--ink); }

/* Ekran görüntüsüne basınca büyütme */
.ekran__ac {
    display: block; width: 100%; padding: 0; border: 0; background: none;
    cursor: zoom-in; font: inherit; color: inherit;
}
.ekran__ac img { transition: opacity .15s; }
.ekran__ac:hover img { opacity: .9; }
.ekran__ac:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.buyut {
    position: fixed; inset: 0; z-index: 80;
    background: #100F0B;
    display: flex; overflow: auto; overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
}
/* margin:auto ile ortalama: görsel kutudan genişse sola taşıp erişilemez olmuyor */
.buyut__ic { margin: auto; max-width: 1600px; padding: 56px 20px 24px; }
/* Görsel her iki yönde de ekrana sığar; kaydırmadan tamamı görünür */
.buyut__ic img {
    display: block; margin: 0 auto;
    width: auto; max-width: 100%;
    height: auto; max-height: calc(100vh - 132px);
    border: 1px solid #3A382F; background: var(--paper-2);
}
.buyut--dikey .buyut__ic { max-width: none; }
.buyut__ic figcaption {
    margin-top: 14px; font-family: var(--mono); font-size: 11.5px;
    letter-spacing: .08em; text-transform: uppercase; color: #8F897B; text-align: center;
}
.buyut__kapat {
    position: fixed; top: 16px; right: 18px; z-index: 1;
    width: 40px; height: 40px; padding: 0; line-height: 1;
    border: 1px solid #3A382F; background: #16150F; color: #EDEAE1;
    font-size: 24px; cursor: pointer; font-family: inherit;
}
.buyut__kapat:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
body.buyut-acik { overflow: hidden; }

/* Telefon şeridi: aynı ekranların mobil çekimi */
.telefon-serit {
    display: grid; grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    gap: 48px; align-items: start;
    margin-top: 64px; padding-top: 44px; border-top: var(--rule);
}
.telefon-serit__yazi h2 { font-size: 27px; margin: 14px 0 12px; }
.telefon-serit__yazi p { font-size: 15px; line-height: 1.6; color: var(--muted); margin: 0; max-width: 42ch; }
.telefon-serit__cihazlar { display: flex; gap: 26px; flex-wrap: wrap; }
.telefon { flex: 0 1 210px; margin: 0; }
.telefon img {
    display: block; width: 100%; height: auto;
    border: 1px solid var(--ink); border-radius: 18px; background: var(--paper-2);
    box-shadow: 6px 6px 0 var(--paper-3);
}
.telefon figcaption {
    margin-top: 12px; font-family: var(--mono); font-size: 11px;
    letter-spacing: .08em; text-transform: uppercase; color: var(--muted-2);
}

/* ------------------------------------------------- Yüzen WhatsApp düğmesi */
.wa {
    position: fixed; right: 22px; bottom: 22px; z-index: 60;
    display: inline-flex; align-items: center; gap: 10px;
    height: 52px; padding: 0 18px;
    background: var(--ink); color: var(--paper);
    border: 1px solid var(--ink); box-shadow: 4px 4px 0 var(--paper-3);
    font-family: var(--mono); font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase;
    transition: background .15s, border-color .15s, transform .15s, box-shadow .15s;
}
.wa:hover {
    background: var(--accent); border-color: var(--accent); color: #fff;
    transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--paper-3);
}
.wa:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.wa .wa__ikon { flex: none; }
.wa__yazi { white-space: nowrap; }

@media (max-width: 1000px) {
    .hero__grid { grid-template-columns: minmax(0, 1fr); gap: 48px; }
    .shead { grid-template-columns: minmax(0, 1fr); gap: 18px; margin-bottom: 36px; }
    .shead__meta { display: flex; gap: 14px; align-items: baseline; padding-top: 0; }
    .shead__no { margin-bottom: 0; }
    .pillars { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .pillar { border-bottom: var(--rule); }
    .pillar:nth-child(2n) { border-right: none; }
    .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .flow__step { border-bottom: 1px solid var(--line); }
    .flow__step:nth-child(2n) { border-right: none; }
    .grid-2 { grid-template-columns: minmax(0, 1fr); gap: 36px; }
    .cards { grid-template-columns: minmax(0, 1fr); }
    .card { border-right: none; border-bottom: 1px solid var(--line); }
    .card:last-child { border-bottom: none; }
    .plans { grid-template-columns: minmax(0, 1fr); }
    .plan { border-right: none; border-bottom: 1px solid var(--line); }
    .cta { grid-template-columns: minmax(0, 1fr); gap: 26px; }
    .site-foot__in { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .yazi-govde { grid-template-columns: minmax(0, 1fr); gap: 40px; }
    .yazi-satir:has(.yazi-satir__gorsel) { grid-template-columns: 150px minmax(0, 1fr); }
    .yazi-satir__gorsel { grid-column: 1 / -1; max-width: 420px; }
    .modul-govde { grid-template-columns: minmax(0, 1fr); gap: 40px; }
    .modul-liste { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .ekran-ucler { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .telefon-serit { grid-template-columns: minmax(0, 1fr); gap: 32px; }
    .yazi-yan { position: static; flex-direction: row; flex-wrap: wrap; }
    .yazi-kutu { flex: 1 1 260px; }
}

/* Menü ve üst düğme, sığmadığı genişlikte katlanır */
@media (max-width: 900px) {
    .site-nav { display: none; }
    .site-nav.is-open {
        display: flex; flex-direction: column; gap: 0;
        position: absolute; left: 0; right: 0; top: 68px;
        background: var(--paper); border-bottom: var(--rule); padding: 8px var(--gutter) 18px;
    }
    .site-nav.is-open a { padding: 12px 0; border-bottom: 1px solid var(--line-2); border-left: 2px solid transparent; }
    .site-nav.is-open a.is-active { border-bottom-color: var(--line-2); border-left-color: var(--accent); padding-left: 12px; }
    .burger { display: flex; }
    .site-head .btn { display: none; }
}

@media (max-width: 720px) {
    :root { --gutter: 20px; }
    .section { padding: 60px 0; }
    .pillars { grid-template-columns: minmax(0, 1fr); }
    .pillar { border-right: none; }
    .flow { grid-template-columns: minmax(0, 1fr); }
    .flow__step { border-right: none; }
    .sheet__key { width: auto; }
    .sheet, .sheet tbody, .sheet tr, .sheet td { display: block; width: 100%; }
    .sheet thead { display: none; }
    .sheet tr { border-bottom: var(--rule); padding: 16px 0; }
    .sheet tr:last-child { border-bottom: none; }
    .sheet td { border-bottom: none; padding: 2px 0; }
    .sheet__note { margin-top: 6px; white-space: normal; }
    /* Başlık satırı gizlendiğinde sütun adı hücrenin önünde durur */
    .sheet__note[data-baslik]::before { content: attr(data-baslik) ": "; }
    .form { grid-template-columns: minmax(0, 1fr); }
    .site-foot__in { grid-template-columns: minmax(0, 1fr); gap: 28px; }
    .panel { box-shadow: 5px 5px 0 var(--paper-3); }
    /* Dar ekranda yalnızca simge: içeriğin üstünü kapatmasın */
    .wa { right: 16px; bottom: 16px; width: 50px; height: 50px; padding: 0; justify-content: center; }
    .wa__yazi { display: none; }
    .yazi-satir,
    .yazi-satir:has(.yazi-satir__gorsel) { grid-template-columns: minmax(0, 1fr); gap: 14px; padding: 26px 0; }
    .yazi-satir__gorsel img { aspect-ratio: 16 / 9; }
    .yazi-satir__meta { flex-direction: row; gap: 14px; flex-wrap: wrap; padding-top: 0; }
    .yazi-satir__govde h2 { font-size: 21px; }
    .yazi { font-size: 16.5px; }
    .yazi h2 { font-size: 23px; margin-top: 38px; }
    .yazi-yan { flex-direction: column; }
    .modul-liste { grid-template-columns: minmax(0, 1fr); }
    .ekran--genis img { box-shadow: 6px 6px 0 var(--paper-3); }
    .ekran { margin-top: 28px; }
    /* Dar ekranda masaüstü görüntüsü okunur genişlikte kalır, yatay kaydırılır */
    /* Masaüstü çekimi dar ekranda okunur genişlikte kalır, yatay kaydırılır */
    .buyut__ic { min-width: 760px; padding: 52px 14px 16px; }
    .buyut__ic img { width: 100%; max-height: none; }
    /* Telefon çekimi ise ekrana sığar */
    .buyut--dikey .buyut__ic { min-width: 0; width: 100%; }
    .buyut--dikey .buyut__ic img { width: auto; max-height: calc(100vh - 120px); }
    /* Telefonda zaten mobil çekim gösteriliyor; şerit tek sütuna iner */
    .telefon-serit__cihazlar { gap: 18px; }
    .telefon { flex: 1 1 140px; }
    .ekran-ucler { grid-template-columns: minmax(0, 1fr); gap: 30px; }
}

@media (prefers-reduced-motion: reduce) {
    .wa:hover { transform: none; }
    html { scroll-behavior: auto; }
    * { transition: none !important; }
}