/* Teras tanıtım sitesi — renkler apps/mobile/src/tasarim/index.ts ile aynı */
:root {
  --lacivert: #0F2A44;
  --lacivert-koyu: #0A1E31;
  --kehribar: #F5B301;
  --yesil: #15803D;
  --yesil-koyu: #116632;
  --zemin: #F1F4F3;
  --kagit: #FFFFFF;
  --murekkep: #1B2733;
  --soluk: #5B6B7A;
  --cizgi: #DFE6E3;
  --radius: 18px;
  --govde-font: "Poppins", "Century Gothic", "Segoe UI", system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--govde-font);
  color: var(--murekkep);
  background: var(--kagit);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; }

.sarici { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ---------- Üst çubuk ---------- */
.ust {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--cizgi);
}
.ust-ic {
  max-width: 1120px; margin: 0 auto; padding: 10px 24px;
  display: flex; align-items: center; gap: 28px;
}
.marka { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.marka img { width: 38px; height: 38px; }
.marka-ad {
  font-weight: 800; font-size: 1.25rem; letter-spacing: 0.22em;
  color: var(--lacivert);
}
.ust nav { margin-left: auto; display: flex; gap: 24px; }
.ust nav a {
  text-decoration: none; font-size: 0.92rem; font-weight: 500;
  color: var(--soluk); transition: color 0.15s;
}
.ust nav a:hover { color: var(--lacivert); }

.dugme {
  display: inline-block; padding: 12px 26px; border-radius: 999px;
  background: var(--yesil); color: #fff; text-decoration: none;
  font-weight: 600; font-size: 0.95rem; border: none; cursor: pointer;
  transition: background 0.15s, transform 0.15s;
}
.dugme:hover { background: var(--yesil-koyu); transform: translateY(-1px); }
.dugme-buyuk { padding: 16px 36px; font-size: 1.05rem; }
.dugme-cerceve {
  background: transparent; color: var(--lacivert);
  border: 2px solid var(--lacivert);
}
.dugme-cerceve:hover { background: var(--lacivert); color: #fff; }

/* ---------- Hero: sabitlenen yatay hikâye ---------- */
.hero-sabit { position: relative; }
.kaydirmali .hero-sabit { height: 340vh; }
.hero-pencere {
  position: relative; overflow: hidden;
  background: linear-gradient(180deg, #FFFFFF 0%, var(--zemin) 100%);
}
.kaydirmali .hero-pencere {
  position: sticky; top: 0; height: 100vh;
}
.hero-serit { display: flex; flex-direction: column; }
.kaydirmali .hero-serit {
  flex-direction: row; height: 100%;
  width: 300vw; will-change: transform;
}
.panel {
  display: flex; align-items: center; justify-content: center;
  padding: 96px 24px 48px; min-height: 70vh;
}
.kaydirmali .panel { width: 100vw; height: 100%; flex-shrink: 0; }
.panel-ic {
  max-width: 1060px; width: 100%;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 48px; align-items: center;
}
.panel-yazi .gozkasi {
  font-size: 0.85rem; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--yesil); margin-bottom: 14px;
}
.panel-yazi h1, .panel-yazi h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.7rem); line-height: 1.2;
  color: var(--lacivert); font-weight: 700; margin-bottom: 16px;
}
.panel-yazi p { color: var(--soluk); font-size: 1.08rem; max-width: 42ch; }
.panel-yazi .dugme { margin-top: 26px; }
.panel-cizim svg { width: 100%; height: auto; }

/* Çizgilerin sahne sahne çizilmesi */
.kaydirmali .panel svg .ciz {
  stroke-dasharray: 1; stroke-dashoffset: 1;
}
.kaydirmali .panel.etkin svg .ciz {
  animation: cizgi-cek 1.1s ease forwards;
}
.kaydirmali .panel.etkin svg .ciz:nth-of-type(2) { animation-delay: 0.15s; }
.kaydirmali .panel.etkin svg .ciz:nth-of-type(3) { animation-delay: 0.3s; }
.kaydirmali .panel.etkin svg .ciz:nth-of-type(4) { animation-delay: 0.45s; }
.kaydirmali .panel.etkin svg .ciz:nth-of-type(5) { animation-delay: 0.6s; }
.kaydirmali .panel.etkin svg .ciz:nth-of-type(6) { animation-delay: 0.75s; }
.kaydirmali .panel.etkin svg .ciz:nth-of-type(7) { animation-delay: 0.9s; }
.kaydirmali .panel.etkin svg .ciz:nth-of-type(8) { animation-delay: 1.05s; }
@keyframes cizgi-cek { to { stroke-dashoffset: 0; } }

.kaydirmali .panel .panel-yazi > * {
  opacity: 0; transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.kaydirmali .panel.etkin .panel-yazi > * { opacity: 1; transform: none; }
.kaydirmali .panel.etkin .panel-yazi > *:nth-child(2) { transition-delay: 0.1s; }
.kaydirmali .panel.etkin .panel-yazi > *:nth-child(3) { transition-delay: 0.2s; }
.kaydirmali .panel.etkin .panel-yazi > *:nth-child(4) { transition-delay: 0.3s; }

.kaydir-ipucu {
  position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%);
  display: none; flex-direction: column; align-items: center; gap: 4px;
  color: var(--soluk); font-size: 0.8rem; letter-spacing: 0.12em;
  text-transform: uppercase; transition: opacity 0.4s;
}
.kaydirmali .kaydir-ipucu { display: flex; }
.kaydir-ipucu .ok { animation: zipla 1.6s ease-in-out infinite; }
@keyframes zipla { 50% { transform: translateY(6px); } }

.hero-noktalar {
  position: absolute; bottom: 22px; right: 32px; display: none; gap: 8px;
}
.kaydirmali .hero-noktalar { display: flex; }
.hero-noktalar span {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--cizgi); transition: background 0.3s, transform 0.3s;
}
.hero-noktalar span.etkin { background: var(--yesil); transform: scale(1.25); }

/* ---------- Genel bölüm düzeni ---------- */
section.bolum { padding: 88px 0; }
.bolum-baslik { text-align: center; max-width: 640px; margin: 0 auto 52px; }
.bolum-baslik .gozkasi {
  font-size: 0.82rem; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--yesil); margin-bottom: 10px;
}
.bolum-baslik h2 {
  font-size: clamp(1.5rem, 2.6vw, 2.1rem); color: var(--lacivert);
  font-weight: 700; line-height: 1.25;
}
.bolum-baslik p { color: var(--soluk); margin-top: 12px; }

.belirir { opacity: 0; transform: translateY(26px); transition: opacity 0.6s ease, transform 0.6s ease; }
.belirir.geldi { opacity: 1; transform: none; }

/* ---------- Sorun → çözüm ---------- */
.sorun-cozum { background: var(--zemin); }
.karsilastirma {
  display: grid; grid-template-columns: 1fr 1fr; gap: 28px;
}
.k-kart {
  background: var(--kagit); border-radius: var(--radius);
  padding: 34px 32px; border: 1px solid var(--cizgi);
}
.k-kart.dertli { border-top: 4px solid #C0392B; }
.k-kart.cozum { border-top: 4px solid var(--yesil); }
.k-kart h3 { color: var(--lacivert); margin-bottom: 18px; font-size: 1.15rem; }
.k-kart ul { list-style: none; }
.k-kart li {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 8px 0; color: var(--soluk); font-size: 0.98rem;
}
.k-kart li .im { flex-shrink: 0; font-weight: 700; }
.dertli .im { color: #C0392B; }
.cozum .im { color: var(--yesil); }

/* ---------- Kimler için ---------- */
.kimler .rozetler {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 14px;
}
.rozet {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 26px; border-radius: 999px;
  background: var(--kagit); border: 1.5px solid var(--cizgi);
  font-weight: 600; color: var(--lacivert); font-size: 1rem;
}
.rozet svg { width: 22px; height: 22px; }
.kimler .firma-notu {
  text-align: center; margin-top: 30px; color: var(--soluk);
}
.kimler .firma-notu strong { color: var(--lacivert); }

/* ---------- Özellikler ---------- */
.ozellikler { background: var(--zemin); }
.kart-izgara {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
}
.o-kart {
  background: var(--kagit); border-radius: var(--radius);
  padding: 30px 28px; border: 1px solid var(--cizgi);
  transition: transform 0.2s, box-shadow 0.2s;
}
.o-kart:hover { transform: translateY(-4px); box-shadow: 0 14px 34px rgba(15, 42, 68, 0.1); }
.o-kart .ikon {
  width: 48px; height: 48px; border-radius: 13px;
  background: rgba(21, 128, 61, 0.09);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.o-kart .ikon svg { width: 26px; height: 26px; }
.o-kart h3 { color: var(--lacivert); font-size: 1.06rem; margin-bottom: 8px; }
.o-kart p { color: var(--soluk); font-size: 0.93rem; }
.o-kart.one-cikan {
  grid-column: span 3;
  display: grid; grid-template-columns: auto 1fr; gap: 26px; align-items: center;
  background: var(--lacivert); border: none;
}
.o-kart.one-cikan .ikon { background: rgba(245, 179, 1, 0.15); margin: 0; width: 64px; height: 64px; }
.o-kart.one-cikan .ikon svg { width: 34px; height: 34px; }
.o-kart.one-cikan h3 { color: #fff; font-size: 1.3rem; }
.o-kart.one-cikan p { color: #B9C6D2; font-size: 1rem; max-width: 70ch; }
.o-kart.one-cikan .etiket {
  display: inline-block; margin-bottom: 10px; padding: 4px 12px;
  border-radius: 999px; background: var(--kehribar); color: var(--lacivert);
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
}

/* ---------- Gizlilik ---------- */
.gizlilik { background: var(--lacivert); color: #fff; }
.gizlilik .bolum-baslik h2 { color: #fff; }
.gizlilik .bolum-baslik .gozkasi { color: var(--kehribar); }
.gizlilik .bolum-baslik p { color: #B9C6D2; }
.g-izgara { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.g-kart {
  background: rgba(255, 255, 255, 0.06); border-radius: var(--radius);
  padding: 28px 26px; border: 1px solid rgba(255, 255, 255, 0.12);
}
.g-kart h3 { font-size: 1.02rem; margin-bottom: 8px; color: #fff; }
.g-kart p { color: #B9C6D2; font-size: 0.93rem; }

/* ---------- Nasıl çalışır ---------- */
.adimlar { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.adim {
  position: relative; background: var(--kagit); border: 1px solid var(--cizgi);
  border-radius: var(--radius); padding: 34px 28px 28px; text-align: center;
}
.adim .no {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--yesil); color: #fff; font-weight: 700; font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
}
.adim h3 { color: var(--lacivert); font-size: 1.05rem; margin-bottom: 8px; }
.adim p { color: var(--soluk); font-size: 0.93rem; }

/* ---------- Yönetici / Sakin ---------- */
.roller { background: var(--zemin); }
.rol-izgara { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.rol-kart {
  background: var(--kagit); border-radius: var(--radius);
  border: 1px solid var(--cizgi); padding: 34px 32px;
}
.rol-kart h3 {
  color: var(--lacivert); font-size: 1.2rem; margin-bottom: 20px;
  display: flex; align-items: center; gap: 12px;
}
.rol-kart h3 .ikon {
  width: 40px; height: 40px; border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
}
.rol-kart.yonetici h3 .ikon { background: rgba(15, 42, 68, 0.08); }
.rol-kart.sakin h3 .ikon { background: rgba(21, 128, 61, 0.09); }
.rol-kart .ikon svg { width: 22px; height: 22px; }
.rol-kart ul { list-style: none; }
.rol-kart li {
  padding: 9px 0 9px 26px; position: relative;
  color: var(--soluk); font-size: 0.96rem;
  border-bottom: 1px dashed var(--cizgi);
}
.rol-kart li:last-child { border-bottom: none; }
.rol-kart li::before {
  content: "✓"; position: absolute; left: 0; color: var(--yesil); font-weight: 700;
}

/* ---------- SSS ---------- */
.sss-liste { max-width: 760px; margin: 0 auto; }
.sss-liste details {
  background: var(--kagit); border: 1px solid var(--cizgi);
  border-radius: 14px; margin-bottom: 12px; overflow: hidden;
}
.sss-liste summary {
  cursor: pointer; padding: 18px 22px; font-weight: 600;
  color: var(--lacivert); list-style: none; position: relative;
}
.sss-liste summary::-webkit-details-marker { display: none; }
.sss-liste summary::after {
  content: "+"; position: absolute; right: 22px; top: 50%;
  transform: translateY(-50%); font-size: 1.3rem; color: var(--yesil);
  transition: transform 0.2s;
}
.sss-liste details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.sss-liste details p { padding: 0 22px 18px; color: var(--soluk); font-size: 0.95rem; }

/* ---------- İletişim ---------- */
.iletisim { background: var(--zemin); }
.iletisim-kart {
  background: var(--lacivert); border-radius: 24px;
  padding: 56px 48px; text-align: center; color: #fff;
}
.iletisim-kart h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin-bottom: 12px; }
.iletisim-kart > p { color: #B9C6D2; max-width: 52ch; margin: 0 auto 28px; }
.iletisim-yollar {
  display: flex; justify-content: center; gap: 18px; flex-wrap: wrap;
  margin-top: 26px; color: #B9C6D2; font-size: 0.95rem;
}
.iletisim-yollar span strong { color: #fff; }
.magaza-rozetleri {
  display: flex; gap: 12px; justify-content: center; margin-top: 30px; flex-wrap: wrap;
}
.m-rozet {
  padding: 10px 20px; border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.25); color: #B9C6D2;
  font-size: 0.85rem;
}
.m-rozet strong { color: #fff; display: block; font-size: 0.95rem; }

/* ---------- Footer ---------- */
footer {
  background: var(--lacivert-koyu); color: #8FA1B0;
  padding: 40px 0; font-size: 0.88rem;
}
.footer-ic {
  max-width: 1120px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
}
.footer-ic .marka-ad { color: #fff; font-size: 1rem; }
.footer-ic img { width: 30px; height: 30px; }
.footer-baglantilar { margin-left: auto; display: flex; gap: 20px; }
.footer-baglantilar a { color: #8FA1B0; text-decoration: none; }
.footer-baglantilar a:hover { color: #fff; }

/* ---------- Dar ekran ve hareket azaltma ---------- */
@media (max-width: 900px) {
  .ust nav { display: none; }
  .panel-ic { grid-template-columns: 1fr; gap: 28px; }
  .panel { padding-top: 84px; }
  .panel-cizim { max-width: 380px; margin: 0 auto; }
  .karsilastirma, .g-izgara, .adimlar, .rol-izgara { grid-template-columns: 1fr; }
  .kart-izgara { grid-template-columns: 1fr; }
  .o-kart.one-cikan { grid-column: span 1; grid-template-columns: 1fr; }
  .iletisim-kart { padding: 40px 24px; }
}
@media (min-width: 901px) and (max-width: 1080px) {
  .kart-izgara { grid-template-columns: repeat(2, 1fr); }
  .o-kart.one-cikan { grid-column: span 2; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .belirir { opacity: 1; transform: none; transition: none; }
  .kaydir-ipucu .ok { animation: none; }
}