/* ============================================================
   markoza.com.tr — tasarım sistemi
   Palet: mürekkep zemin + bakır vurgu + kemik açık bant
   Tipografi: Archivo (display) + Manrope (metin)
   İmza: "açılan halka" — koza metaforu, yapısal dil
   ============================================================ */

:root {
  --murekkep: #131A21;
  --murekkep-derin: #0D1319;
  --panel: #1A222B;
  --kemik: #EFEDE8;
  --kemik-koyu: #E4E1D9;
  --bakir: #BF7B3F;
  --bakir-koyu: #9E6330;
  --metin-acik: #ECE9E3;
  --sis: #98A1AA;
  --metin-koyu: #1C232B;
  --metin-koyu-soluk: #5B636C;
  --cizgi-koyu: rgba(236, 233, 227, 0.1);
  --cizgi-acik: #D8D4CA;

  --display: "Archivo", "Manrope", system-ui, sans-serif;
  --metin: "Manrope", system-ui, sans-serif;

  --radius: 12px;
  --radius-kucuk: 8px;
  --kap-genislik: 1080px;
}

/* ---------- Taban ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  font-family: var(--metin);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--metin-acik);
  background: var(--murekkep);
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; }

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

.rakam { font-variant-numeric: tabular-nums; }

.gorsel-gizli {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- Tipografi ---------- */
h1, h2, h3 {
  font-family: var(--display);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 0.5em;
}
h1 { font-size: clamp(2.4rem, 7vw, 4.2rem); }
h2 { font-size: clamp(1.7rem, 4vw, 2.6rem); }
h3 { font-size: 1.15rem; line-height: 1.3; }
p { margin: 0 0 1em; }

.ust-yazi {
  font-family: var(--metin);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bakir);
  margin: 0 0 1rem;
}

/* ---------- Yerleşim ---------- */
.kap { width: 100%; max-width: var(--kap-genislik); margin: 0 auto; padding: 0 1.5rem; }

.bant { padding: 4.5rem 0; }
@media (min-width: 900px) { .bant { padding: 6.5rem 0; } }

.bant--acik { background: var(--kemik); color: var(--metin-koyu); }
.bant--acik .ust-yazi { color: var(--bakir-koyu); }
.bant--acik p { color: var(--metin-koyu); }
.bant--derin { background: var(--murekkep-derin); }

.giris-metni { max-width: 56ch; font-size: 1.1rem; color: var(--sis); }
.bant--acik .giris-metni { color: var(--metin-koyu-soluk); }

/* ---------- Logo ---------- */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: var(--metin-acik);
  text-decoration: none;
  line-height: 1;
}
.logo svg { width: 1.5em; height: 1.5em; flex-shrink: 0; }
.logo .halka-cizgi {
  stroke: var(--bakir);
  stroke-width: 2.6;
  fill: none;
  stroke-linecap: round;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(19, 26, 33, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--cizgi-koyu);
}
.site-header__ic {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 1rem;
}

/* Masaüstü nav */
.ana-menu ul { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: 0.35rem; }
.ana-menu a {
  display: block;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--sis);
  text-decoration: none;
  padding: 0.5rem 0.8rem;
  border-radius: var(--radius-kucuk);
  transition: color 0.15s ease;
}
.ana-menu a:hover { color: var(--metin-acik); }
.ana-menu a[aria-current="page"] { color: var(--metin-acik); box-shadow: inset 0 -2px 0 var(--bakir); border-radius: 0; }
.ana-menu .menu-cta { margin-left: 0.75rem; }

/* Hamburger (mobil) */
.menu-dugme {
  display: none;
  align-items: center;
  justify-content: center;
  width: 46px; height: 46px;
  background: none; border: none; cursor: pointer; padding: 0;
}
.menu-dugme__cizgiler,
.menu-dugme__cizgiler::before,
.menu-dugme__cizgiler::after {
  content: "";
  display: block;
  width: 24px; height: 2px;
  background: var(--metin-acik);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}
.menu-dugme__cizgiler { position: relative; }
.menu-dugme__cizgiler::before { position: absolute; top: -8px; }
.menu-dugme__cizgiler::after { position: absolute; top: 8px; }
.menu-acik .menu-dugme__cizgiler { background: transparent; }
.menu-acik .menu-dugme__cizgiler::before { transform: translateY(8px) rotate(45deg); }
.menu-acik .menu-dugme__cizgiler::after { transform: translateY(-8px) rotate(-45deg); }
.menu-acik .menu-dugme { position: relative; z-index: 102; }

@media (max-width: 899px) {
  .menu-dugme { display: inline-flex; }
  .ana-menu {
    position: fixed; inset: 0;
    background: var(--murekkep-derin);
    z-index: 100;
    display: flex; flex-direction: column; justify-content: center;
    padding: 2rem 1.75rem;
    opacity: 0; visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
  }
  .menu-acik .ana-menu { opacity: 1; visibility: visible; }
  .ana-menu ul { flex-direction: column; align-items: flex-start; gap: 0.4rem; }
  .ana-menu a { font-family: var(--display); font-weight: 800; font-size: 1.7rem; color: var(--metin-acik); padding: 0.45rem 0; }
  .ana-menu a:hover, .ana-menu a[aria-current="page"] { color: var(--bakir); box-shadow: none; }
  .ana-menu .menu-cta { margin: 1.5rem 0 0; }
  .ana-menu .menu-cta a { font-family: var(--metin); font-size: 1rem; }
}

/* ---------- Butonlar ---------- */
.dugme {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--metin);
  font-weight: 700;
  font-size: 0.98rem;
  text-decoration: none;
  border-radius: 999px;
  padding: 0.85rem 1.7rem;
  cursor: pointer;
  border: none;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}
.dugme:hover { transform: translateY(-1px); }
.dugme svg { width: 19px; height: 19px; }

.dugme--bakir { background: var(--bakir); color: var(--murekkep-derin); }
.dugme--bakir:hover { background: var(--bakir-koyu); color: var(--kemik); }

.dugme--hayalet { background: transparent; color: var(--metin-acik); border: 1px solid var(--cizgi-koyu); box-shadow: inset 0 0 0 1px transparent; }
.dugme--hayalet:hover { border-color: var(--bakir); color: var(--bakir); }
.bant--acik .dugme--hayalet { color: var(--metin-koyu); border-color: var(--cizgi-acik); }
.bant--acik .dugme--hayalet:hover { border-color: var(--bakir-koyu); color: var(--bakir-koyu); }

/* ---------- Hero ---------- */
.hero { padding: 5rem 0 4.5rem; }
@media (min-width: 900px) { .hero { padding: 7.5rem 0 6.5rem; } }
.hero h1 { max-width: 15ch; }
.hero h1 .vurgu { color: var(--bakir); }
.hero__alt {
  max-width: 46ch;
  font-size: 1.15rem;
  color: var(--sis);
  margin: 1.5rem 0 2.25rem;
}
.hero__dugmeler { display: flex; flex-wrap: wrap; gap: 0.85rem; }

/* Logo halkasının açılışı (yalnız hero'da, tek sefer) */
@keyframes halka-acil {
  from { stroke-dashoffset: 0; }
  to { stroke-dashoffset: -6; }
}
.hero-halka .halka-cizgi { animation: halka-acil 1.1s ease-out 0.3s both; }

/* ---------- Dert kartları ---------- */
.dertler { display: grid; gap: 1rem; margin-top: 2.5rem; }
@media (min-width: 768px) { .dertler { grid-template-columns: repeat(3, 1fr); } }
.dert {
  background: var(--panel);
  border: 1px solid var(--cizgi-koyu);
  border-radius: var(--radius);
  padding: 1.6rem 1.5rem;
}
.dert p { margin: 0; }
.dert .soz {
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.25rem;
  line-height: 1.3;
  color: var(--metin-acik);
  margin-bottom: 0.6rem;
}
.dert .karsilik { font-size: 0.92rem; color: var(--sis); }

/* ---------- Sistem adımları: açılan halka dili ---------- */
.adimlar { display: grid; gap: 1.25rem; margin-top: 2.75rem; }
@media (min-width: 768px) { .adimlar { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .adimlar { grid-template-columns: repeat(4, 1fr); } }
.adim { position: relative; }
.adim__halka { width: 56px; height: 56px; margin-bottom: 1.1rem; }
.adim__halka .halka-cizgi { stroke: var(--bakir-koyu); stroke-width: 2.4; fill: none; stroke-linecap: round; }
.adim__halka .halka-no {
  font-family: var(--metin);
  font-weight: 800;
  font-size: 13px;
  fill: var(--metin-koyu);
}
.adim h3 { margin-bottom: 0.4rem; }
.adim p { font-size: 0.95rem; color: var(--metin-koyu-soluk); margin: 0; }

/* ---------- Vaka kartları ---------- */
.vakalar { display: grid; gap: 1.25rem; margin-top: 2.5rem; }
@media (min-width: 768px) { .vakalar { grid-template-columns: repeat(2, 1fr); } }
.vaka {
  display: block;
  text-decoration: none;
  background: var(--panel);
  border: 1px solid var(--cizgi-koyu);
  border-radius: var(--radius);
  padding: 1.9rem 1.75rem;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.vaka:hover { border-color: var(--bakir); transform: translateY(-2px); }
.vaka__rakam {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.2rem, 5vw, 3rem);
  line-height: 1;
  color: var(--bakir);
  letter-spacing: -0.02em;
}
.vaka__rakam-alt { font-size: 0.82rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--sis); margin: 0.35rem 0 1.1rem; }
.vaka h3 { color: var(--metin-acik); }
.vaka p { font-size: 0.95rem; color: var(--sis); margin: 0; }
.vaka .devam { display: inline-block; margin-top: 1.1rem; font-weight: 700; font-size: 0.9rem; color: var(--bakir); }

/* ---------- Kimin için / değil ---------- */
.iki-sutun { display: grid; gap: 1.25rem; margin-top: 2.5rem; }
@media (min-width: 768px) { .iki-sutun { grid-template-columns: 1fr 1fr; } }
.liste-kart {
  background: #FFFFFF;
  border: 1px solid var(--cizgi-acik);
  border-radius: var(--radius);
  padding: 1.75rem 1.6rem;
}
.liste-kart--dolu { background: var(--murekkep); border-color: var(--murekkep); color: var(--metin-acik); }
.liste-kart--dolu h3 { color: var(--metin-acik); }
.liste-kart--dolu li { color: var(--sis); }
.liste-kart h3 { margin-bottom: 1rem; }
.liste-kart ul { list-style: none; margin: 0; padding: 0; }
.liste-kart li {
  position: relative;
  padding: 0.4rem 0 0.4rem 1.9rem;
  font-size: 0.98rem;
  color: var(--metin-koyu-soluk);
}
.liste-kart li::before {
  content: "";
  position: absolute; left: 0; top: 0.72rem;
  width: 18px; height: 18px;
  border-radius: 50%;
  background-position: center;
  background-repeat: no-repeat;
  background-size: 11px;
}
.liste-kart--evet li::before {
  background-color: rgba(191, 123, 63, 0.14);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%239E6330' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
}
.liste-kart--hayir li::before {
  background-color: rgba(236, 233, 227, 0.08);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2398A1AA' stroke-width='3' stroke-linecap='round'%3E%3Cline x1='6' y1='6' x2='18' y2='18'/%3E%3Cline x1='18' y1='6' x2='6' y2='18'/%3E%3C/svg%3E");
}

/* ---------- Fiyat kartları ---------- */
.fiyat-kartlar { display: grid; gap: 1.25rem; margin-top: 2.5rem; }
@media (min-width: 768px) { .fiyat-kartlar { grid-template-columns: 1fr 1fr; } }
.fiyat-kart {
  background: var(--panel);
  border: 1px solid var(--cizgi-koyu);
  border-radius: var(--radius);
  padding: 1.9rem 1.75rem;
}
.fiyat-kart--vurgulu { border-color: var(--bakir); }
.fiyat-kart .etiket { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--bakir); margin: 0 0 0.6rem; }
.fiyat-kart h3 { color: var(--metin-acik); margin-bottom: 0.35rem; }
.fiyat-kart .tutar { font-family: var(--display); font-weight: 800; font-size: 1.6rem; color: var(--metin-acik); margin: 0 0 1rem; }
.fiyat-kart .tutar .not { font-family: var(--metin); font-weight: 500; font-size: 0.85rem; color: var(--sis); }
.fiyat-kart ul { list-style: none; margin: 0; padding: 0; }
.fiyat-kart li { padding: 0.32rem 0; font-size: 0.93rem; color: var(--sis); }
.fiyat-kart li::before { content: "— "; color: var(--bakir-koyu); }

/* ---------- SSS ---------- */
.sss { margin-top: 2.25rem; }
.sss details {
  background: #FFFFFF;
  border: 1px solid var(--cizgi-acik);
  border-radius: var(--radius-kucuk);
  margin-bottom: 0.65rem;
}
.sss summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 1rem;
  color: var(--metin-koyu);
  padding: 1.05rem 1.25rem;
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.sss summary::-webkit-details-marker { display: none; }
.sss summary::after { content: "+"; font-weight: 800; color: var(--bakir-koyu); flex-shrink: 0; font-size: 1.2rem; }
.sss details[open] summary::after { content: "−"; }
.sss .cevap { padding: 0 1.25rem 1.15rem; font-size: 0.95rem; color: var(--metin-koyu-soluk); }
.sss .cevap p { margin: 0 0 0.5rem; }

/* ---------- Final CTA ---------- */
.final h2 { max-width: 18ch; }
.final .giris-metni { margin-bottom: 2rem; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--murekkep-derin);
  border-top: 1px solid var(--cizgi-koyu);
  padding: 3rem 0 2rem;
  font-size: 0.9rem;
  color: var(--sis);
}
.site-footer a { color: var(--sis); text-decoration: none; }
.site-footer a:hover { color: var(--metin-acik); }
.site-footer__ust {
  display: grid; gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--cizgi-koyu);
}
@media (min-width: 768px) { .site-footer__ust { grid-template-columns: 1.4fr 1fr 1fr; } }
.site-footer h2 { font-family: var(--metin); font-size: 0.85rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--metin-acik); margin: 0 0 0.85rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li + li { margin-top: 0.5rem; }
.site-footer__slogan { max-width: 34ch; }
.site-footer__alt {
  margin-top: 1.5rem;
  display: flex; flex-wrap: wrap; gap: 0.5rem 1.75rem;
  justify-content: space-between;
  font-size: 0.82rem;
  color: rgba(152, 161, 170, 0.7);
}

/* ---------- Çerez bandı (site.js kancaları) ---------- */
.cerez-bant {
  position: fixed;
  left: 1rem; right: 1rem; bottom: 1rem;
  z-index: 90;
  background: var(--kemik);
  color: var(--metin-koyu);
  border-radius: var(--radius);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  padding: 1.1rem 1.3rem;
  max-width: 560px;
  margin: 0 auto;
}
.cerez-bant p { margin: 0 0 0.8rem; font-size: 0.88rem; }
.cerez-bant a { color: var(--bakir-koyu); }
.cerez-bant__dugmeler { display: flex; gap: 0.5rem; }
.cerez-bant .dugme { padding: 0.55rem 1.2rem; font-size: 0.88rem; }
.cerez-bant .dugme--dolu { background: var(--murekkep); color: var(--kemik); }
.cerez-bant .dugme--cerceve { background: transparent; color: var(--metin-koyu); border: 1px solid var(--cizgi-acik); }

/* ---------- Yazdırma ---------- */
@media print {
  .site-header, .site-footer, .cerez-bant, .hero__dugmeler { display: none !important; }
  body { background: #fff; color: #000; }
}

/* ---------- İç sayfa başlığı ---------- */
.sayfa-bas { padding: 4.5rem 0 3.5rem; }
@media (min-width: 900px) { .sayfa-bas { padding: 6rem 0 4.5rem; } }
.sayfa-bas h1 { max-width: 16ch; }

/* ---------- Düz içerik (okuma) ---------- */
.duz-icerik { max-width: 62ch; }
.duz-icerik h2 { margin-top: 1.8em; }
.duz-icerik ul { margin: 0 0 1.25em; padding-left: 1.1em; }
.duz-icerik li { margin: 0.35em 0; }
.bant .duz-icerik li { color: var(--sis); }
.bant--acik .duz-icerik li { color: var(--metin-koyu-soluk); }
.duz-icerik strong { color: inherit; }

/* ---------- Sektör kartları ---------- */
.sektorler { display: grid; gap: 1rem; margin-top: 2.25rem; }
@media (min-width: 640px) { .sektorler { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .sektorler { grid-template-columns: repeat(3, 1fr); } }
.sektor {
  background: #FFFFFF;
  border: 1px solid var(--cizgi-acik);
  border-radius: var(--radius);
  padding: 1.4rem 1.35rem;
}
.sektor h3 { margin-bottom: 0.35rem; font-size: 1.05rem; }
.sektor p { margin: 0; font-size: 0.9rem; color: var(--metin-koyu-soluk); }

/* ---------- Vaka detay bloğu ---------- */
.vaka-detay {
  background: var(--panel);
  border: 1px solid var(--cizgi-koyu);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  margin-top: 2.25rem;
}
.vaka-detay__ust { display: flex; flex-wrap: wrap; gap: 1rem 2.5rem; align-items: baseline; margin-bottom: 1.25rem; }
.vaka-detay__rakam { font-family: var(--display); font-weight: 800; font-size: 2.6rem; line-height: 1; color: var(--bakir); }
.vaka-detay__rakam small { display: block; font-family: var(--metin); font-weight: 700; font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--sis); margin-top: 0.4rem; }
.vaka-detay h3 { color: var(--metin-acik); font-size: 1.4rem; }
.vaka-detay p, .vaka-detay li { color: var(--sis); }
.vaka-detay ul { margin: 0 0 1em; padding-left: 1.1em; }
.vaka-detay a.dis { color: var(--bakir); font-weight: 700; text-decoration: none; }
.vaka-detay a.dis:hover { text-decoration: underline; }

/* ---------- 404 ---------- */
.hata-404 { min-height: 70vh; display: flex; align-items: center; text-align: center; }
.hata-404 .kap > svg { width: 84px; height: 84px; margin: 0 auto 1.5rem; }
.hata-404 .halka-cizgi { stroke: var(--bakir); stroke-width: 2.4; fill: none; stroke-linecap: round; }