/* Ab Yazılım kurumsal paleti.
   Kaynak: ExecGo / AskGo / CustomerGo panellerinin ortak :root bloğu —
   #F1F1EC zemin, #FFFFFF panel, #E3E1D9 kenarlık, #0E7A85 vurgu, Segoe UI.
   Buradaki --surface, tanıtım sitesinin geniş bölümleri için zemin ile
   kart arasına eklenen ara kademedir; panellerde karşılığı yoktur. */
:root {
  --bg:        #F1F1EC;
  --surface:   #F7F6F2;
  --card:      #FFFFFF;
  --ink:       #1B1C19;
  --body:      #716E62;
  --line:      #E3E1D9;
  --line-2:    #D3D0C4;
  --accent:      #0E7A85;
  --accent-dark: #0A5C64;
  --accent-text: #0B5F68;
  --accent-soft: #E2EFF0;
  --bar:       #1F2622;

  --sans: "Segoe UI", system-ui, -apple-system, "Segoe UI Variable Text", "Helvetica Neue", Arial, sans-serif;
  --mono: Consolas, "Cascadia Mono", ui-monospace, monospace;
  --wrap: 1600px;
  --gutter: clamp(20px, 4vw, 56px);
  --readable: 62ch;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:        #1A1B17;
    --surface:   #212320;
    --card:      #282A26;
    --ink:       #EDEDE7;
    --body:      #A8A498;
    --line:      #34362F;
    --line-2:    #46483F;
    --accent:      #17A3B0;
    --accent-dark: #4FC3CD;
    --accent-text: #6FD3DB;
    --accent-soft: #12312F;
    --bar:       #0F100D;
  }
}
:root[data-theme="dark"] {
  --bg:        #1A1B17;
  --surface:   #212320;
  --card:      #282A26;
  --ink:       #EDEDE7;
  --body:      #A8A498;
  --line:      #34362F;
  --line-2:    #46483F;
  --accent:      #17A3B0;
  --accent-dark: #4FC3CD;
  --accent-text: #6FD3DB;
  --accent-soft: #12312F;
  --bar:       #0F100D;
}
:root[data-theme="light"] {
  --bg:        #F1F1EC;
  --surface:   #F7F6F2;
  --card:      #FFFFFF;
  --ink:       #1B1C19;
  --body:      #716E62;
  --line:      #E3E1D9;
  --line-2:    #D3D0C4;
  --accent:      #0E7A85;
  --accent-dark: #0A5C64;
  --accent-text: #0B5F68;
  --accent-soft: #E2EFF0;
  --bar:       #1F2622;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }
img { max-width: 100%; }

h1, h2, h3, h4 {
  margin: 0;
  color: var(--ink);
  font-weight: 500;
  line-height: 1.16;
  text-wrap: balance;
}
h1 { font-size: clamp(32px, 4vw, 46px); letter-spacing: -1.1px; line-height: 1.2; }
h2 { font-size: clamp(26px, 3vw, 38px); letter-spacing: -0.9px; line-height: 1.2; }
h3 { font-size: 21px; letter-spacing: -0.4px; }
h4 { font-size: 17px; letter-spacing: -0.2px; }
p  { margin: 0; }

.eyebrow {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--accent-text);
  margin: 0 0 12px;
}
.lead { font-size: 17.5px; line-height: 1.6; color: var(--body); max-width: 62ch; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px;
  border-radius: 8px;
  font-size: 15.5px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}
.btn--primary { background: var(--accent); color: #FFFFFF; border-color: var(--accent); }
.btn--primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
@media (prefers-color-scheme: dark) {
  .btn--primary { color: #08121F; }
}
:root[data-theme="dark"] .btn--primary { color: #08121F; }
:root[data-theme="light"] .btn--primary { color: #FFFFFF; }
.btn--secondary { background: var(--card); color: var(--accent-text); border-color: var(--line-2); }
.btn--secondary:hover { border-color: var(--accent); }
.btn--onbar { background: transparent; color: #FFFFFF; border-color: rgba(255,255,255,.42); }
.btn--onbar:hover { border-color: #FFFFFF; background: rgba(255,255,255,.08); }

.arrowlink {
  display: inline-flex; align-items: center; gap: 7px;
  color: var(--accent-text);
  font-size: 15.5px; font-weight: 600;
  text-decoration: none;
}
.arrowlink:hover { text-decoration: underline; text-underline-offset: 3px; }
.arrowlink svg { transition: transform .15s ease; }
.arrowlink:hover svg { transform: translateX(3px); }

/* ---------- announcement bar ---------- */
.announce {
  background: var(--bar);
  color: #DCE3EC;
  font-size: 14px;
}
.announce .wrap {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding-block: 11px;
}
.announce .badge {
  background: rgba(255,255,255,.13);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 11.5px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
}
.announce a { color: #FFFFFF; font-weight: 600; text-underline-offset: 3px; }

/* ---------- header ---------- */
.masthead {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 50;
}
.masthead .wrap { display: flex; align-items: center; gap: 32px; height: 68px; }

.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; margin-right: auto; }
.brand__mark {
  width: 34px; height: 34px; border-radius: 8px;
  background: var(--accent);
  display: grid; place-items: center;
  color: #FFFFFF; font-size: 15px; font-weight: 600; letter-spacing: -.02em;
}
.brand__name { font-size: 18px; font-weight: 600; color: var(--ink); letter-spacing: -.4px; }
.brand__name em { font-style: normal; font-weight: 400; color: var(--body); }

.topnav { display: flex; gap: 28px; }
.topnav a {
  text-decoration: none; font-size: 15px; color: var(--ink);
  padding-block: 6px;
  border-bottom: 2px solid transparent;
}
.topnav a:hover { color: var(--accent-text); }
.topnav a[aria-current="true"] { color: var(--accent-text); border-bottom-color: var(--accent); }

.navtoggle {
  display: none;
  align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border: 1px solid var(--line-2);
  border-radius: 8px;
  background: var(--card);
  color: var(--ink);
  cursor: pointer;
}
.mobilemenu { display: none; border-top: 1px solid var(--line); background: var(--card); }
.mobilemenu[data-open="true"] { display: block; }
.mobilemenu ul { margin: 0; padding: 8px 0 16px; list-style: none; }
.mobilemenu a {
  display: block;
  padding: 12px var(--gutter);
  text-decoration: none;
  font-size: 16px;
  color: var(--ink);
}
.mobilemenu a:hover { background: var(--bg); color: var(--accent-text); }

@media (max-width: 980px) {
  .topnav { display: none; }
  .navtoggle { display: inline-flex; }
  .masthead .wrap { gap: 12px; }
}

/* ---------- generic band ---------- */
.band { padding-block: clamp(54px, 6.5vw, 88px); }
.band--surface { background: var(--surface); }
.band--bg { background: var(--bg); }

.band__head { max-width: 70ch; margin-bottom: clamp(28px, 3.5vw, 44px); }
.band__head .lead { margin-top: 14px; }

/* ---------- hero ---------- */
.hero { background: var(--surface); border-bottom: 1px solid var(--line); }
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(32px, 4.5vw, 64px);
  align-items: center;
  padding-block: clamp(44px, 5.5vw, 76px);
}
@media (max-width: 900px) { .hero__grid { grid-template-columns: 1fr; } }
.hero .lead { margin-top: 18px; }
.hero__actions { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }
.hero__note { margin-top: 18px; font-size: 14px; color: var(--body); }

/* ---------- screenshot placeholder ---------- */
.shot {
  border: 1px solid var(--line-2);
  border-radius: 12px;
  background: var(--bg);
  overflow: hidden;
}
.shot__bar {
  display: flex; align-items: center; gap: 7px;
  padding: 10px 14px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
}
.shot__bar i { width: 9px; height: 9px; border-radius: 50%; background: var(--line-2); display: block; }
.shot__bar span { margin-left: 8px; font-size: 12.5px; color: var(--body); }
.shot__body { padding: 20px; display: grid; gap: 12px; }
.shot__row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.shot__tile {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 8px; padding: 14px;
}
.shot__tile b { display: block; font-size: 22px; color: var(--ink); font-weight: 600; letter-spacing: -.5px; font-variant-numeric: tabular-nums; }
.shot__tile span { font-size: 12px; color: var(--body); }
.shot__chart {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 8px; padding: 16px 14px 12px;
}
.shot__bars { display: flex; align-items: flex-end; gap: 8px; height: 96px; }
.shot__bars i { flex: 1; background: var(--accent-soft); border-radius: 3px 3px 0 0; display: block; }
.shot__bars i:nth-child(4) { background: var(--accent); }
.shot__caption {
  padding: 10px 14px; border-top: 1px solid var(--line);
  font-size: 12.5px; color: var(--body); background: var(--card);
}

/* ---------- three benefits (Nebim pattern) ---------- */
.three { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px, 3.5vw, 56px); }
@media (max-width: 860px) { .three { grid-template-columns: 1fr; } }
.three > div > h3 { margin-bottom: 10px; }
.three p { max-width: 52ch; }

/* ---------- solution cards ---------- */
.grid2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (max-width: 820px) { .grid2 { grid-template-columns: 1fr; } }
.scard {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: clamp(22px, 2.6vw, 32px);
  display: flex; flex-direction: column; gap: 12px;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.scard:hover { border-color: var(--line-2); box-shadow: 0 2px 14px rgba(14,23,38,.06); }
.scard__ico {
  width: 40px; height: 40px; border-radius: 8px;
  background: var(--accent-soft); color: var(--accent-text);
  display: grid; place-items: center;
  margin-bottom: 4px;
}
.scard p { font-size: 15.5px; max-width: 60ch; }
.scard .arrowlink { margin-top: auto; padding-top: 6px; }

/* ---------- product tier rows (Nebim "Sürümler" pattern) ---------- */
.tiers { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--card); }
.tier {
  display: grid;
  grid-template-columns: minmax(0, 260px) minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  padding: 22px clamp(18px, 2.4vw, 28px);
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  transition: background-color .15s ease;
}
.tier:last-child { border-bottom: 0; }
.tier:hover { background: var(--bg); }
.tier__name { font-size: 18px; font-weight: 600; color: var(--ink); letter-spacing: -.3px; }
.tier__name em { font-style: normal; color: var(--accent-text); }
.tier__desc { font-size: 15.5px; color: var(--body); max-width: 78ch; }
.tier__go { color: var(--accent-text); font-size: 14.5px; font-weight: 600; white-space: nowrap; }
@media (max-width: 820px) {
  .tier { grid-template-columns: 1fr; gap: 8px; align-items: start; }
}

/* ---------- logos + quote ---------- */
.logogrid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px;
}
@media (max-width: 860px) { .logogrid { grid-template-columns: repeat(2, 1fr); } }
.logogrid div {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  height: 88px;
  display: grid; place-items: center;
  font-size: 13px; color: var(--body);
}
.quote {
  margin-top: 28px;
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  padding: clamp(22px, 2.6vw, 30px);
  max-width: 76ch;
}
.quote p { font-size: 18px; color: var(--ink); line-height: 1.5; }
.quote footer { margin-top: 12px; font-size: 14.5px; color: var(--body); }

/* ---------- cta band ---------- */
.ctaband { background: var(--bar); color: #D9E1EB; }
.ctaband h2 { color: #FFFFFF; }
.ctaband .eyebrow { color: #8FB6F5; }
.ctaband__grid { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 36px; align-items: center; }
@media (max-width: 820px) { .ctaband__grid { grid-template-columns: 1fr; } }
.ctaband p { color: #B8C4D2; margin-top: 12px; max-width: 58ch; font-size: 17px; }
.ctaband__actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- footer ---------- */
.foot { background: var(--surface); border-top: 1px solid var(--line); padding-block: 48px 28px; font-size: 15px; }
.foot__grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 32px; }
@media (max-width: 820px) { .foot__grid { grid-template-columns: 1fr 1fr; } }
.foot h4 { font-size: 13px; letter-spacing: .05em; text-transform: uppercase; color: var(--body); font-weight: 600; margin-bottom: 14px; }
.foot ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; }
.foot a { text-decoration: none; color: var(--body); }
.foot a:hover { color: var(--accent-text); }
.foot__bottom {
  margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 13.5px; color: var(--body);
}

.ph { color: var(--body); }
.ph::after {
  content: "içerik gelecek";
  display: inline-block;
  margin-left: 6px;
  font-size: 10.5px;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--accent-text);
  background: var(--accent-soft);
  border-radius: 3px;
  padding: 1px 5px;
  vertical-align: 2px;
}

/* ---------- inner page hero ---------- */
.pagehero { background: var(--surface); border-bottom: 1px solid var(--line); padding-block: clamp(36px, 4.5vw, 64px); }
.pagehero .lead { margin-top: 14px; }
.crumb { font-size: 14px; color: var(--body); margin-bottom: 14px; }
.crumb a { text-decoration: none; }
.crumb a:hover { color: var(--accent-text); }

/* ---------- rich text ---------- */
.rich { max-width: 72ch; }
.rich > * + * { margin-top: 16px; }
/* Uzun düz metinde paragraf arası biraz daha açık okunur. */
.rich p + p { margin-top: 21px; }
.rich h2 { margin-top: 34px; }
.rich h3 { margin-top: 26px; }
.rich p, .rich li { font-size: 16.5px; line-height: 1.65; }
.rich ul, .rich ol { padding-left: 22px; margin-block: 0; }
.rich li + li { margin-top: 8px; }
.rich a { color: var(--accent-text); }

/* ---------- forms ---------- */
.formgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; max-width: 760px; }
@media (max-width: 700px) { .formgrid { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 14px; font-weight: 600; color: var(--ink); }
.field .hint { font-size: 13px; color: var(--body); }
.input, .textarea, .select {
  font: inherit; font-size: 15.5px;
  color: var(--ink); background: var(--card);
  border: 1px solid var(--line-2); border-radius: 8px;
  padding: 11px 13px; width: 100%;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.input:focus, .textarea:focus, .select:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}
.textarea { min-height: 140px; resize: vertical; line-height: 1.55; }
.input[aria-invalid="true"], .textarea[aria-invalid="true"] { border-color: #C4331D; }
.field .err { font-size: 13px; color: #C4331D; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.notice-ok, .notice-err {
  border-radius: 8px; padding: 14px 16px; font-size: 15px;
  border: 1px solid; max-width: 760px;
}
.notice-ok  { background: #EAF6EE; border-color: #B7DDC4; color: #1B5E31; }
.notice-err { background: #FCEDEA; border-color: #F0C2B8; color: #9A2A16; }
@media (prefers-color-scheme: dark) {
  .notice-ok  { background: #10281A; border-color: #245036; color: #9BD9B0; }
  .notice-err { background: #2A1310; border-color: #5A281F; color: #F0A492; }
}

/* ---------- contact split ---------- */
.contactgrid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: clamp(32px, 4vw, 64px); align-items: start; }
@media (max-width: 900px) { .contactgrid { grid-template-columns: 1fr; } }
.infolist { display: flex; flex-direction: column; gap: 18px; }
.infolist div { display: flex; flex-direction: column; gap: 3px; }
.infolist dt { font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--body); }
.infolist dd { margin: 0; font-size: 16.5px; color: var(--ink); }
.infolist a { text-decoration: none; }
.infolist a:hover { color: var(--accent-text); }

/* ---------- banner hero (nebim.com.tr kalibi) ---------- */
.herobanner {
  position: relative;
  background-color: var(--bar);
  background-size: cover;
  background-position: 50% 50%;
  background-repeat: no-repeat;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  min-height: clamp(360px, 38vw, 520px);
  overflow: hidden;
}
/* Karartma katmani: beyaz metnin her gorselde okunur kalmasi icin. */
.herobanner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(12,14,12,.78) 0%, rgba(12,14,12,.55) 45%, rgba(12,14,12,.15) 100%);
  pointer-events: none;
}
.herobanner[data-overlay="yok"]::before   { background: none; }
.herobanner[data-overlay="hafif"]::before { background: linear-gradient(90deg, rgba(12,14,12,.55) 0%, rgba(12,14,12,.3) 50%, transparent 100%); }
.herobanner[data-overlay="koyu"]::before  { background: linear-gradient(90deg, rgba(12,14,12,.9) 0%, rgba(12,14,12,.72) 50%, rgba(12,14,12,.4) 100%); }

.herobanner--ortali::before { background: rgba(12,14,12,.6); }
.herobanner--ortali[data-overlay="hafif"]::before { background: rgba(12,14,12,.4); }
.herobanner--ortali[data-overlay="koyu"]::before  { background: rgba(12,14,12,.75); }
.herobanner--ortali[data-overlay="yok"]::before   { background: none; }

.herobanner__ic {
  position: relative;
  z-index: 1;
  padding-block: clamp(44px, 6vw, 88px);
  max-width: var(--wrap);
  width: 100%;
}
.herobanner--ortali .herobanner__ic { text-align: center; }
.herobanner--ortali .hero__actions { justify-content: center; }
.herobanner--ortali .lead { margin-inline: auto; }

.herobanner h1 { color: #FFFFFF; max-width: 20ch; }
.herobanner--ortali h1 { max-width: 24ch; margin-inline: auto; }
.eyebrow--onbanner { color: #FFFFFF; opacity: .82; }
.lead--onbanner { color: rgba(255,255,255,.9); margin-top: 18px; max-width: 54ch; }
.hero__note--onbanner { color: rgba(255,255,255,.72); }
.herobanner .btn--secondary { background: rgba(255,255,255,.12); color: #FFFFFF; border-color: rgba(255,255,255,.4); }

.herobanner__uyari {
  margin-top: 22px;
  display: inline-block;
  background: rgba(255,255,255,.14);
  border: 1px dashed rgba(255,255,255,.45);
  color: #FFFFFF;
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 13.5px;
  max-width: 60ch;
}

/* ---------- site logosu ---------- */

/* ---------- site logosu (yukseklik panelden ayarlanir) ---------- */
.brand__logo { display: block; height: var(--logo-h, 44px); width: auto; max-width: 260px; object-fit: contain; }
.brand__logo--foot { height: var(--logo-h-foot, 52px); }
@media (max-width: 520px) {
  .brand__logo { height: calc(var(--logo-h, 44px) * .8); }
  .brand__logo--foot { height: calc(var(--logo-h-foot, 52px) * .8); }
}
/* Logo yuksekse baslik da buyusun, kirpilmasin. */
.masthead .wrap { height: auto; min-height: 68px; padding-block: 8px; }

/* ---------- metin + yan bilgi paneli ---------- */
.metinyan {
  display: grid;
  grid-template-columns: minmax(0, 72ch) minmax(260px, 340px);
  gap: clamp(32px, 5vw, 80px);
  align-items: start;
}
@media (max-width: 1000px) {
  .metinyan { grid-template-columns: 1fr; gap: 36px; }
}

.yanpanel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: clamp(22px, 2.4vw, 30px);
  position: sticky;
  top: 92px;
}
@media (max-width: 1000px) { .yanpanel { position: static; } }

.yanpanel__baslik {
  font-size: 12.5px; font-weight: 600; letter-spacing: .09em; text-transform: uppercase;
  color: var(--accent-text); margin-bottom: 18px;
}

.yanpanel__bilgi { margin: 0; display: flex; flex-direction: column; gap: 15px; }
.yanpanel__bilgi > div { display: flex; flex-direction: column; gap: 2px; }
.yanpanel__bilgi dt { font-size: 13px; color: var(--body); }
.yanpanel__bilgi dd {
  margin: 0; font-size: 16.5px; font-weight: 600; color: var(--ink); letter-spacing: -.2px;
}

.yanpanel__etiketler { margin-top: 24px; padding-top: 22px; border-top: 1px solid var(--line); }
.yanpanel__etiketler h4 {
  font-size: 13px; font-weight: 600; color: var(--body);
  margin-bottom: 12px; letter-spacing: 0;
}
.yanpanel__etiketler ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: 6px;
}
.yanpanel__etiketler li {
  font-size: 13px; line-height: 1.3;
  background: var(--accent-soft); color: var(--accent-text);
  border-radius: 999px; padding: 5px 11px;
}

.yanpanel__cta { margin-top: 24px; width: 100%; }

/* Yan panelli blok cok genis ekranda ortalanir; metin okunur genislikte kalir. */
.metinyan-kap { max-width: 1140px; margin-inline: auto; }
.metinyan-kap .band__head { max-width: none; }