/* ==========================================================================
   ZİRVE KAPLAMA — Kurumsal Site
   Troveld · 2026
   ========================================================================== */

:root {
  --ink:        #14161A;
  --ink-2:      #1B1E24;
  --ink-3:      #272B33;
  --paper:      #F5F5F3;
  --paper-2:    #E9E9E5;
  --gold:       #C0A062;
  --gold-lt:    #E4D0A0;
  --gold-dp:    #9A7F45;
  --chrome:     #C9CCD1;
  --text-dark:  #ECEDEF;
  --text-light: #16181C;
  --muted-dark: #8C929C;
  --muted-light:#5C616A;

  --s1: 8px;  --s2: 16px; --s3: 24px; --s4: 32px;
  --s5: 48px; --s6: 64px; --s7: 96px; --s8: 128px;

  --display: "Bodoni Moda", Georgia, serif;
  --body: "Archivo", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --maxw: 1180px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--text-light);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* --------------------------------------------------------- Type ---------- */

h1, h2, h3 { font-family: var(--display); font-weight: 500; margin: 0; letter-spacing: -0.01em; }

h1 { font-size: clamp(2.6rem, 6.2vw, 4.4rem); line-height: 1.02; }
h2 { font-size: clamp(1.9rem, 3.8vw, 2.9rem); line-height: 1.12; }
h3 { font-size: 1.25rem; line-height: 1.3; font-family: var(--body); font-weight: 600; letter-spacing: -0.005em; }

p { margin: 0 0 var(--s2); }

.eyebrow {
  font-family: var(--body);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold-dp);
  margin: 0 0 var(--s2);
  display: flex;
  align-items: center;
  gap: var(--s2);
}
.eyebrow::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--gold) 0%, transparent 100%);
  opacity: .55;
}
.on-dark .eyebrow { color: var(--gold-lt); }

.lede { font-size: 1.12rem; color: var(--muted-light); max-width: 62ch; }
.on-dark .lede { color: var(--muted-dark); }

/* ------------------------------------------------------ Layout ----------- */

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--s3); }

.section { padding: var(--s7) 0; }
.section--tight { padding: var(--s6) 0; }
.section--dark { background: var(--ink); color: var(--text-dark); }
.section--paper2 { background: var(--paper-2); }

.section--dark h3 { color: var(--text-dark); }

.grid { display: grid; gap: var(--s4); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.section-head { max-width: 760px; margin-bottom: var(--s6); }

/* ------------------------------------------------------ Header ----------- */

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(20,22,26,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(192,160,98,.22);
}
.site-header__inner {
  max-width: var(--maxw); margin: 0 auto; padding: var(--s2) var(--s3);
  display: flex; align-items: center; justify-content: space-between; gap: var(--s3);
}

.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand__mark { width: 34px; height: 34px; flex: none; }
.brand__text { display: flex; flex-direction: column; line-height: 1; }
.brand__name {
  font-family: var(--body); font-weight: 700; font-size: .95rem;
  letter-spacing: .14em; color: var(--text-dark);
}
.brand__sub {
  font-size: .58rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--gold); margin-top: 4px;
}

.nav { display: flex; align-items: center; gap: var(--s3); }
.nav a {
  text-decoration: none; font-size: .88rem; font-weight: 500;
  color: var(--muted-dark); padding: 6px 0; position: relative;
  transition: color .2s var(--ease);
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--text-dark); }
.nav a[aria-current="page"]::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: var(--gold);
}
.nav__cta {
  border: 1px solid var(--gold); border-radius: 2px;
  padding: 9px 16px !important; color: var(--gold) !important;
}
.nav__cta:hover { background: var(--gold); color: var(--ink) !important; }

.nav-toggle {
  display: none; background: none; border: 1px solid var(--ink-3);
  color: var(--text-dark); padding: 8px 12px; border-radius: 2px;
  font-family: var(--body); font-size: .8rem; cursor: pointer;
}

/* ------------------------------------------------------ Buttons ---------- */

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 26px; border-radius: 2px; text-decoration: none;
  font-family: var(--body); font-size: .92rem; font-weight: 600;
  letter-spacing: .01em; border: 1px solid transparent; cursor: pointer;
  transition: transform .18s var(--ease), background .2s var(--ease), color .2s var(--ease);
}
.btn:hover { transform: translateY(-2px); }

.btn--gold {
  background: linear-gradient(160deg, var(--gold-lt) 0%, var(--gold) 45%, var(--gold-dp) 100%);
  color: var(--ink);
}
.btn--ghost { border-color: rgba(201,204,209,.35); color: var(--text-dark); }
.btn--ghost:hover { border-color: var(--gold); color: var(--gold-lt); }
.btn--dark { background: var(--ink); color: var(--text-dark); }

.btn-row { display: flex; flex-wrap: wrap; gap: var(--s2); margin-top: var(--s4); }

/* ------------------------------------------------------ Hero ------------- */

.hero {
  background: var(--ink); color: var(--text-dark);
  position: relative; overflow: hidden;
  padding: var(--s8) 0 var(--s7);
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(1000px 520px at 78% 18%, rgba(192,160,98,.14), transparent 62%);
  pointer-events: none;
}
.hero__inner {
  position: relative; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--s3);
  display: grid; grid-template-columns: 1.05fr .95fr; gap: var(--s7); align-items: center;
}
.hero h1 { margin-bottom: var(--s3); }
.hero h1 em {
  font-style: italic;
  background: linear-gradient(150deg, var(--gold-lt), var(--gold) 60%, var(--gold-dp));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__meta {
  display: flex; flex-wrap: wrap; gap: var(--s3);
  margin-top: var(--s5); padding-top: var(--s3);
  border-top: 1px solid var(--ink-3);
  font-size: .82rem; color: var(--muted-dark);
}
.hero__meta strong { display: block; color: var(--text-dark); font-weight: 600; font-size: .95rem; }

/* --------------------------------------- Signature: Renk Kartelası ------- */

.karte {
  background: linear-gradient(180deg, #212530 0%, #171A20 100%);
  border: 1px solid var(--ink-3);
  border-radius: 4px;
  padding: var(--s3);
  box-shadow: 0 40px 90px -30px rgba(0,0,0,.9);
}
.karte__top {
  display: flex; justify-content: space-between; align-items: baseline;
  padding-bottom: var(--s2); margin-bottom: var(--s3);
  border-bottom: 1px solid var(--ink-3);
}
.karte__label {
  font-size: .62rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted-dark);
}
.karte__count { font-size: .62rem; letter-spacing: .12em; color: var(--gold); }

.karte__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }

.chip {
  appearance: none; border: 1px solid rgba(255,255,255,.1);
  border-radius: 3px; padding: 0; cursor: pointer; overflow: hidden;
  aspect-ratio: 1 / 1; position: relative; display: block;
  transition: transform .22s var(--ease), border-color .22s var(--ease);
}
.chip::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(118deg, rgba(255,255,255,.55) 0%, rgba(255,255,255,0) 38%, rgba(0,0,0,.16) 62%, rgba(255,255,255,.28) 100%);
}
.chip:hover, .chip:focus-visible { transform: translateY(-4px); border-color: var(--gold); }
.chip[aria-pressed="true"] {
  border-color: var(--gold);
  box-shadow: 0 0 0 2px rgba(192,160,98,.35), 0 12px 24px -8px rgba(0,0,0,.7);
}
.chip__code {
  position: absolute; left: 7px; bottom: 5px; z-index: 2;
  font-size: .58rem; font-weight: 700; letter-spacing: .08em;
  color: rgba(0,0,0,.62);
}
.chip--dark .chip__code { color: rgba(255,255,255,.75); }

.karte__readout {
  margin-top: var(--s3); padding-top: var(--s2);
  border-top: 1px solid var(--ink-3);
  display: flex; justify-content: space-between; align-items: baseline; gap: var(--s2);
}
.karte__name { font-family: var(--display); font-size: 1.15rem; color: var(--text-dark); }
.karte__spec { font-size: .72rem; color: var(--muted-dark); text-align: right; }

/* ------------------------------------------------------ Trust bar -------- */

.trustbar { background: var(--ink-2); border-top: 1px solid var(--ink-3); color: var(--text-dark); }
.trustbar__inner {
  max-width: var(--maxw); margin: 0 auto; padding: var(--s3);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s3);
}
.trustbar__item { display: flex; flex-direction: column; gap: 3px; }
.trustbar__k { font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; color: var(--gold); }
.trustbar__v { font-size: .92rem; color: var(--text-dark); font-weight: 500; }

/* ------------------------------------------------------ Cards ------------ */

.card {
  background: #fff; border: 1px solid rgba(20,22,26,.1);
  border-radius: 3px; padding: var(--s4);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(192,160,98,.55);
  box-shadow: 0 22px 44px -22px rgba(20,22,26,.3);
}
.card h3 { margin-bottom: 10px; }
.card p { color: var(--muted-light); font-size: .95rem; margin-bottom: 0; }

.card__spec {
  margin-top: var(--s3); padding-top: var(--s2);
  border-top: 1px solid rgba(20,22,26,.1);
  display: flex; flex-wrap: wrap; gap: 6px;
}
.tag {
  font-size: .68rem; letter-spacing: .06em; font-weight: 600;
  padding: 4px 9px; border-radius: 2px;
  background: var(--paper-2); color: var(--muted-light);
}
.tag--gold { background: rgba(192,160,98,.16); color: var(--gold-dp); }
.section--paper2 .tag { background: #fff; }
.section--paper2 .tag--gold { background: rgba(192,160,98,.2); }

.card--dark { background: var(--ink-2); border-color: var(--ink-3); }
.card--dark p { color: var(--muted-dark); }
.card--dark .card__spec { border-top-color: var(--ink-3); }
.card--dark .tag { background: rgba(255,255,255,.06); color: var(--muted-dark); }

/* ------------------------------------------------------ Process ---------- */

.steps { counter-reset: step; display: grid; gap: 0; }
.step {
  counter-increment: step;
  display: grid; grid-template-columns: 92px 1fr;
  gap: var(--s4); align-items: start;
  padding: var(--s4) 0;
  border-top: 1px solid rgba(255,255,255,.1);
}
.step:last-child { border-bottom: 1px solid rgba(255,255,255,.1); }
.step__num {
  font-family: var(--display); font-size: 2.4rem; line-height: 1;
  color: rgba(192,160,98,.45);
}
@supports (-webkit-text-stroke: 1px currentColor) {
  .step__num { color: transparent; -webkit-text-stroke: 1px var(--gold); }
}
.step__num::before { content: counter(step, decimal-leading-zero); }
.step h3 { margin-bottom: 8px; }
.step p { color: var(--muted-dark); margin-bottom: 0; font-size: .95rem; max-width: 60ch; }

/* ------------------------------------------------------ Feature list ----- */

.feat { display: grid; gap: var(--s4); }
.feat__item { padding-left: var(--s3); border-left: 2px solid var(--gold); }
.feat__item h3 { margin-bottom: 6px; }
.feat__item p { margin-bottom: 0; color: var(--muted-light); font-size: .95rem; }
.on-dark .feat__item p { color: var(--muted-dark); }

/* ------------------------------------------------------ FAQ -------------- */

.faq { border-top: 1px solid rgba(20,22,26,.12); }
.faq__item { border-bottom: 1px solid rgba(20,22,26,.12); }
.faq__item summary {
  cursor: pointer; list-style: none; padding: var(--s3) var(--s4) var(--s3) 0;
  font-weight: 600; font-size: 1.02rem; position: relative;
  display: flex; align-items: center; justify-content: space-between; gap: var(--s2);
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "+"; font-family: var(--display); font-size: 1.5rem;
  color: var(--gold-dp); flex: none; transition: transform .22s var(--ease);
}
.faq__item[open] summary::after { transform: rotate(45deg); }
.faq__body { padding: 0 var(--s6) var(--s4) 0; color: var(--muted-light); font-size: .96rem; }
.faq__body p:last-child { margin-bottom: 0; }

/* ------------------------------------------------------ CTA band --------- */

.cta-band {
  background: linear-gradient(140deg, #1B1E24 0%, #14161A 55%, #22252C 100%);
  color: var(--text-dark); position: relative; overflow: hidden;
}
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(680px 340px at 88% 50%, rgba(192,160,98,.18), transparent 65%);
}
.cta-band__inner {
  position: relative; max-width: var(--maxw); margin: 0 auto; padding: var(--s7) var(--s3);
  display: grid; grid-template-columns: 1.3fr .7fr; gap: var(--s5); align-items: center;
}
.cta-band p { color: var(--muted-dark); margin-bottom: 0; }

/* ------------------------------------------------------ Contact ---------- */

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s6); align-items: start; }

.info-row {
  display: grid; grid-template-columns: 120px 1fr; gap: var(--s3);
  padding: var(--s3) 0; border-bottom: 1px solid rgba(20,22,26,.12);
}
.info-row__k { font-size: .7rem; letter-spacing: .16em; text-transform: uppercase; color: var(--gold-dp); padding-top: 4px; }
.info-row__v { font-size: 1rem; }
.info-row__v a { text-decoration: none; border-bottom: 1px solid rgba(192,160,98,.5); }
.info-row__v a:hover { color: var(--gold-dp); }
.info-row__v small { display: block; color: var(--muted-light); font-size: .82rem; margin-top: 4px; }

.field { margin-bottom: var(--s3); }
.field label {
  display: block; font-size: .72rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--muted-light); margin-bottom: 8px; font-weight: 600;
}
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 14px; border: 1px solid rgba(20,22,26,.2);
  border-radius: 2px; font-family: var(--body); font-size: .95rem;
  background: #fff; color: var(--text-light);
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(192,160,98,.16);
}

.map-embed {
  width: 100%; height: 380px; border: 1px solid rgba(20,22,26,.14); border-radius: 3px;
}

/* ------------------------------------------------------ Page head -------- */

.page-head { background: var(--ink); color: var(--text-dark); padding: var(--s7) 0 var(--s6); }
.page-head h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); margin-bottom: var(--s2); }
.page-head .lede { color: var(--muted-dark); }

/* ------------------------------------------------------ Footer ----------- */

.site-footer { background: var(--ink); color: var(--muted-dark); padding: var(--s6) 0 var(--s3); font-size: .88rem; }
.site-footer a { color: var(--muted-dark); text-decoration: none; }
.site-footer a:hover { color: var(--gold-lt); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: var(--s4); }
.footer-grid h4 {
  font-family: var(--body); font-size: .7rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--gold); margin: 0 0 var(--s2); font-weight: 600;
}
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.footer-bottom {
  margin-top: var(--s5); padding-top: var(--s3); border-top: 1px solid var(--ink-3);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--s2);
  font-size: .78rem;
}
.troveld-badge { display: inline-flex; align-items: center; gap: 6px; opacity: .75; transition: opacity .2s; }
.troveld-badge:hover { opacity: 1; }

/* ------------------------------------------------------ Teyit rozeti ----- */

.todo {
  background: rgba(230,92,0,.12); color: #A34200; border: 1px dashed rgba(230,92,0,.45);
  padding: 1px 7px; border-radius: 2px; font-size: .78em; font-weight: 600; white-space: nowrap;
}
.on-dark .todo, .section--dark .todo, .hero .todo, .cta-band .todo,
.page-head .todo, .trustbar .todo, .site-footer .todo {
  background: rgba(255,150,60,.16); color: #FFB877; border-color: rgba(255,150,60,.45);
}

/* ------------------------------------------------------ Reveal ----------- */

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ------------------------------------------------------ Responsive ------- */

@media (max-width: 980px) {
  .hero__inner { grid-template-columns: 1fr; gap: var(--s5); }
  .cta-band__inner { grid-template-columns: 1fr; gap: var(--s3); }
  .contact-grid { grid-template-columns: 1fr; gap: var(--s5); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--s4); }
  .trustbar__inner { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  body { font-size: 16px; }
  .section { padding: var(--s6) 0; }
  .hero { padding: var(--s6) 0 var(--s5); }
  .grid--2, .grid--3 { grid-template-columns: 1fr; }
  .nav { display: none; }
  .nav.is-open {
    display: flex; flex-direction: column; align-items: stretch; gap: 0;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--ink); border-bottom: 1px solid var(--ink-3); padding: var(--s2) var(--s3);
  }
  .nav.is-open a { padding: 12px 0; border-bottom: 1px solid var(--ink-3); }
  .nav.is-open .nav__cta { border: 1px solid var(--gold); text-align: center; margin-top: var(--s2); }
  .nav-toggle { display: block; }
  .site-header__inner { position: relative; }
  .step { grid-template-columns: 1fr; gap: var(--s2); }
  .info-row { grid-template-columns: 1fr; gap: 4px; }
  .karte__grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 460px) {
  .grid--4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .trustbar__inner { grid-template-columns: 1fr; }
  .btn { width: 100%; justify-content: center; }
}