/* ============================================================
   Luca Otomasyon — tanıtım sayfası
   Estetik: "defter kâğıdı". Çizgili zemin, mürekkep tipografi,
   tek vurgu rengi (mühür kırmızısı), mono günlük satırları.
   ============================================================ */

:root {
  --paper: #f4efe6;
  --paper-2: #fbf8f2;
  --ink: #16140f;
  --ink-2: #4b4740;
  --ink-3: #8a847a;
  --rule: rgba(22, 20, 15, .085);
  --rule-strong: rgba(22, 20, 15, .22);
  --seal: #b3261e;
  --seal-deep: #861a14;
  --ok: #1f6f49;
  --warn: #9a6a08;
  --line-h: 32px;              /* defter satır aralığı */
  --margin-x: 84px;            /* kırmızı kenar çizgisi */
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Instrument Sans", "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", Consolas, "Courier New", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  background-color: var(--paper);
  background-image:
    linear-gradient(to right, transparent 0, transparent calc(var(--margin-x) - 1px), rgba(179, 38, 30, .32) calc(var(--margin-x) - 1px), rgba(179, 38, 30, .32) var(--margin-x), transparent var(--margin-x)),
    repeating-linear-gradient(to bottom, transparent 0, transparent calc(var(--line-h) - 1px), var(--rule) calc(var(--line-h) - 1px), var(--rule) var(--line-h));
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}
/* kâğıt dokusu */
body::before {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 0; opacity: .55; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 .07 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}
a { color: inherit; }
::selection { background: rgba(179, 38, 30, .18); }

.ld { position: relative; z-index: 1; max-width: 1180px; margin: 0 auto; padding: 0 28px 48px calc(var(--margin-x) + 20px); }

/* ---------- Üst bar ---------- */
.top {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 22px 0 18px; border-bottom: 1px solid var(--rule-strong);
}
.mark { display: flex; align-items: baseline; gap: 12px; text-decoration: none; }
.mark .word { font-family: var(--serif); font-weight: 600; font-size: 24px; letter-spacing: -.01em; font-variation-settings: "opsz" 24; }
.mark .word em { font-style: italic; font-weight: 400; color: var(--seal); }
.mark .meta { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); }
.nav { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.nav a { font-size: 14px; text-decoration: none; padding: 8px 12px; color: var(--ink-2); border-radius: 2px; }
.nav a:hover { color: var(--ink); background: rgba(22, 20, 15, .05); }
.nav a.primary { color: var(--paper-2); background: var(--ink); padding: 9px 16px; }
.nav a.primary:hover { background: #000; }

/* ---------- Butonlar ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px; text-decoration: none; cursor: pointer;
  font-family: var(--sans); font-weight: 600; font-size: 15px; letter-spacing: .005em;
  padding: 14px 22px; border-radius: 2px; border: 1px solid var(--ink); color: var(--ink); background: transparent;
  transition: transform .18s ease, background .18s ease, color .18s ease, box-shadow .18s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 24px -14px rgba(22, 20, 15, .55); }
.btn.seal { background: var(--seal); border-color: var(--seal); color: #fff; }
.btn.seal:hover { background: var(--seal-deep); border-color: var(--seal-deep); }
.btn.ink { background: var(--ink); color: var(--paper-2); }
.btn .arrow { font-family: var(--mono); transition: transform .18s ease; }
.btn:hover .arrow { transform: translateX(3px); }

/* ---------- Hero ---------- */
.hero { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 48px; align-items: center; padding: 72px 0 56px; }
.eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--seal); display: flex; align-items: center; gap: 12px; margin: 0 0 22px; }
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--seal); }
.hero h1 {
  font-family: var(--serif); font-weight: 500; font-variation-settings: "opsz" 144;
  font-size: clamp(40px, 5.4vw, 66px); line-height: 1.02; letter-spacing: -.022em; margin: 0 0 24px; text-wrap: balance;
}
.hero h1 em { font-style: italic; font-weight: 400; color: var(--seal); }
.hero .lead { font-size: 18px; line-height: 1.65; color: var(--ink-2); max-width: 54ch; margin: 0 0 30px; }
.hero .cta { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.hero .fine { margin: 18px 0 0; font-size: 13px; color: var(--ink-3); font-family: var(--mono); }

/* ---------- İşlem fişi ---------- */
.receipt-wrap { position: relative; perspective: 1200px; }
.receipt {
  position: relative; background: var(--paper-2); color: var(--ink);
  border: 1px solid var(--rule-strong); border-radius: 3px;
  box-shadow: 0 30px 60px -36px rgba(22, 20, 15, .55), 0 2px 0 rgba(255, 255, 255, .6) inset;
  transform: rotate(-1.4deg); transition: transform .5s cubic-bezier(.2, .7, .2, 1);
  font-family: var(--mono); font-size: 12.5px; line-height: 1.7;
}
.receipt-wrap:hover .receipt { transform: rotate(0deg) translateY(-4px); }
.receipt::before { /* perfore üst kenar */
  content: ""; position: absolute; left: 10px; right: 10px; top: -6px; height: 12px;
  background: radial-gradient(circle at 6px 6px, var(--paper) 4px, transparent 4.5px) 0 0 / 14px 12px repeat-x;
}
.receipt .r-head { display: flex; justify-content: space-between; align-items: baseline; padding: 18px 20px 10px; border-bottom: 1px dashed var(--rule-strong); }
.receipt .r-head b { font-weight: 600; letter-spacing: .1em; font-size: 11px; }
.receipt .r-head span { color: var(--ink-3); font-size: 11px; }
.receipt .r-body { padding: 12px 20px 14px; min-height: 290px; }
.receipt .ln { white-space: pre-wrap; opacity: 0; transform: translateY(4px); transition: opacity .25s ease, transform .25s ease; }
.receipt .ln.on { opacity: 1; transform: none; }
.receipt .ln.ok { color: var(--ok); }
.receipt .ln.warn { color: var(--warn); }
.receipt .ln.sec { color: var(--ink); font-weight: 600; margin-top: 6px; }
.receipt .ln.dim { color: var(--ink-3); }
.receipt .caret { display: inline-block; width: 7px; height: 13px; background: var(--ink); vertical-align: -2px; animation: blink 1s steps(1) infinite; }
.receipt .r-foot { display: flex; justify-content: space-between; gap: 10px; padding: 12px 20px 18px; border-top: 1px dashed var(--rule-strong); color: var(--ink-2); font-size: 11.5px; }
.stamp {
  position: absolute; right: 18px; bottom: 54px; transform: rotate(-12deg);
  font-family: var(--serif); font-weight: 700; font-size: 15px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--seal); border: 2.5px solid var(--seal); padding: 6px 12px; border-radius: 4px;
  opacity: 0; mix-blend-mode: multiply; filter: url(#rough);
}
.stamp.on { animation: stamp .45s cubic-bezier(.2, 1.6, .3, 1) forwards; }
@keyframes stamp { 0% { opacity: 0; transform: rotate(-12deg) scale(1.6); } 100% { opacity: .92; transform: rotate(-12deg) scale(1); } }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Rakam şeridi ---------- */
.figures { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--rule-strong); border-bottom: 1px solid var(--rule-strong); }
.fig { padding: 22px 18px 22px 0; border-right: 1px solid var(--rule); }
.fig:last-child { border-right: 0; }
.fig .n { font-family: var(--serif); font-variation-settings: "opsz" 72; font-size: 44px; font-weight: 500; letter-spacing: -.02em; line-height: 1; }
.fig .n small { font-family: var(--mono); font-size: 13px; color: var(--seal); margin-left: 6px; letter-spacing: .04em; }
.fig .d { margin-top: 8px; color: var(--ink-2); font-size: 14px; }

/* ---------- Bölüm başlıkları ---------- */
section { padding: 72px 0 8px; }
.sec-head { display: grid; grid-template-columns: 120px 1fr; gap: 20px; align-items: baseline; margin-bottom: 28px; }
.sec-head .no { font-family: var(--mono); font-size: 12px; letter-spacing: .14em; color: var(--seal); }
.sec-head h2 { font-family: var(--serif); font-weight: 500; font-variation-settings: "opsz" 96; font-size: clamp(30px, 3.6vw, 44px); line-height: 1.08; letter-spacing: -.018em; margin: 0; text-wrap: balance; }
.sec-head p { grid-column: 2; margin: 10px 0 0; color: var(--ink-2); max-width: 62ch; font-size: 17px; }

/* ---------- Defter kayıtları (özellikler) ---------- */
.ledger { border-top: 1px solid var(--rule-strong); }
.entry {
  display: grid; grid-template-columns: 120px 1fr 1.3fr; gap: 20px; align-items: start;
  padding: 26px 0; border-bottom: 1px solid var(--rule-strong);
  transition: background .2s ease;
}
.entry:hover { background: linear-gradient(to right, rgba(255, 255, 255, .55), transparent); }
.entry .no { font-family: var(--mono); font-size: 13px; color: var(--ink-3); padding-top: 6px; }
.entry h3 { font-family: var(--serif); font-weight: 500; font-variation-settings: "opsz" 48; font-size: 26px; line-height: 1.15; letter-spacing: -.012em; margin: 0; }
.entry h3 span { display: block; font-family: var(--mono); font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--seal); margin-top: 8px; font-weight: 500; }
.entry p { margin: 0; color: var(--ink-2); font-size: 15.5px; line-height: 1.65; }
.entry ul { margin: 10px 0 0; padding-left: 18px; color: var(--ink-2); font-size: 14.5px; }
.entry li { margin: 3px 0; }

/* ---------- Nasıl çalışır (zaman çizgisi) ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--rule-strong); }
.step { position: relative; padding: 28px 22px 28px 0; border-right: 1px solid var(--rule); }
.step:last-child { border-right: 0; }
.step .k { font-family: var(--serif); font-size: 54px; font-weight: 300; line-height: 1; color: var(--ink-3); font-variation-settings: "opsz" 144; letter-spacing: -.03em; }
.step h4 { margin: 14px 0 8px; font-family: var(--sans); font-weight: 700; font-size: 17px; }
.step p { margin: 0; color: var(--ink-2); font-size: 14.5px; line-height: 1.6; }
.step .who { display: inline-block; margin-top: 12px; font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; padding: 3px 8px; border: 1px solid var(--rule-strong); border-radius: 999px; color: var(--ink-2); }
.step .who.you { border-color: var(--seal); color: var(--seal); }

/* ---------- Güven bloğu ---------- */
.trust { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: start; padding-top: 10px; }
.trust blockquote {
  margin: 0; padding: 4px 0 4px 26px; border-left: 3px solid var(--seal);
  font-family: var(--serif); font-variation-settings: "opsz" 60; font-size: clamp(22px, 2.4vw, 30px); line-height: 1.3; letter-spacing: -.01em; font-weight: 400; font-style: italic;
}
.trust ul { list-style: none; margin: 0; padding: 0; }
.trust li { display: grid; grid-template-columns: 26px 1fr; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--rule-strong); font-size: 15px; color: var(--ink-2); }
.trust li b { color: var(--ink); display: block; font-weight: 600; }
.trust li .tick { font-family: var(--mono); color: var(--ok); font-weight: 600; }

/* ---------- Davet / iletişim ---------- */
.invite {
  margin-top: 72px; position: relative; overflow: hidden;
  background: var(--ink); color: var(--paper-2); border-radius: 4px; padding: 54px 56px;
  display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; align-items: center;
}
.invite::after { /* kâğıt izi */
  content: ""; position: absolute; inset: auto -60px -80px auto; width: 320px; height: 320px; border-radius: 50%;
  background: radial-gradient(circle, rgba(179, 38, 30, .45), transparent 60%); filter: blur(6px);
}
.invite .eyebrow { color: #e0a39e; } .invite .eyebrow::before { background: #e0a39e; }
.invite h2 { font-family: var(--serif); font-weight: 400; font-variation-settings: "opsz" 96; font-size: clamp(30px, 3.6vw, 46px); line-height: 1.08; letter-spacing: -.018em; margin: 0 0 16px; text-wrap: balance; }
.invite h2 em { font-style: italic; color: #f0b7b2; }
.invite p { color: #cfc9bd; margin: 0; font-size: 16px; max-width: 54ch; }
.card-contact { position: relative; z-index: 1; background: var(--paper-2); color: var(--ink); border-radius: 3px; padding: 26px 26px 22px; box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .7); transform: rotate(1deg); }
.card-contact .lbl { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); }
.card-contact .firm { font-family: var(--serif); font-weight: 600; font-size: 20px; margin: 6px 0 14px; line-height: 1.2; }
.card-contact .row { display: grid; grid-template-columns: 76px 1fr; gap: 6px 10px; font-size: 14.5px; padding: 8px 0; border-top: 1px dashed var(--rule-strong); }
.card-contact .row .k { font-family: var(--mono); font-size: 12px; color: var(--ink-3); padding-top: 2px; }
.card-contact .row a { text-decoration: none; font-weight: 600; }
.card-contact .row a:hover { color: var(--seal); }
.card-contact .acts { display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; }
.card-contact .btn { padding: 11px 16px; font-size: 14px; }

/* ---------- Alt bilgi ---------- */
.foot { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--rule-strong); color: var(--ink-3); }
.foot-row { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; flex-wrap: wrap; }
.foot-brand .name { font-family: var(--serif); font-weight: 600; font-size: 20px; color: var(--ink); letter-spacing: -.01em; }
.foot-brand .name em { font-style: italic; font-weight: 400; color: var(--seal); }
.foot-brand .by { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; margin-top: 6px; }
.foot-contact { display: flex; gap: 18px; flex-wrap: wrap; font-family: var(--mono); font-size: 12.5px; padding-top: 6px; }
.foot-contact a { text-decoration: none; color: var(--ink-2); border-bottom: 1px solid transparent; }
.foot-contact a:hover { color: var(--seal); border-bottom-color: var(--seal); }
.foot-bottom { margin-top: 18px; padding: 12px 0 4px; border-top: 1px solid var(--rule); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 12px; }

/* ---------- Hareket ---------- */
.rv { opacity: 0; transform: translateY(16px); transition: opacity .7s cubic-bezier(.2, .7, .2, 1), transform .7s cubic-bezier(.2, .7, .2, 1); }
.rv.on { opacity: 1; transform: none; }
.hero .rv:nth-child(1) { transition-delay: .05s } .hero .rv:nth-child(2) { transition-delay: .15s } .hero .rv:nth-child(3) { transition-delay: .25s } .hero .rv:nth-child(4) { transition-delay: .35s } .hero .rv:nth-child(5) { transition-delay: .45s }
@media (prefers-reduced-motion: reduce) {
  .rv, .receipt, .receipt .ln, .btn { transition: none !important; }
  .stamp.on { animation: none; opacity: .92; }
  .receipt .caret { animation: none; }
}

/* ---------- Duyarlılık ---------- */
@media (max-width: 1000px) {
  :root { --margin-x: 40px; }
  .ld { padding-left: calc(var(--margin-x) + 16px); padding-right: 20px; }
  .hero { grid-template-columns: 1fr; gap: 36px; padding-top: 48px; }
  .figures, .steps { grid-template-columns: 1fr 1fr; }
  .fig, .step { border-right: 0; border-bottom: 1px solid var(--rule); }
  .entry { grid-template-columns: 60px 1fr; } .entry p, .entry ul { grid-column: 2; }
  .trust, .invite { grid-template-columns: 1fr; }
  .invite { padding: 36px 28px; }
  .sec-head { grid-template-columns: 1fr; } .sec-head p { grid-column: 1; }
}
@media (max-width: 600px) {
  :root { --margin-x: 22px; }
  .figures, .steps { grid-template-columns: 1fr; }
  .top { flex-direction: column; align-items: flex-start; }
  .receipt { transform: none; }
}