/* ===== Ayos Bilgisayar — ana stil dosyası ===== */
:root {
  --navy: #0b1a2e;
  --navy-2: #12263f;
  --navy-3: #1b3556;
  --accent: #ff8a1f;
  --accent-2: #ffb15c;
  --blue: #2f8cff;
  --text: #1c2533;
  --muted: #5b6676;
  --bg: #ffffff;
  --bg-alt: #f3f6fa;
  --line: #e2e8f0;
  --radius: 14px;
  --shadow: 0 10px 30px -12px rgba(11, 26, 46, .25);
  --max: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .6em; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 820px; }
.center { text-align: center; margin-top: 36px; }

.skip-link { position: absolute; left: -999px; top: 0; background: var(--accent); color: #fff; padding: 8px 14px; z-index: 999; }
.skip-link:focus { left: 10px; }

/* ===== Butonlar ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 24px; border-radius: 10px; font-weight: 600; font-size: 15px;
  border: 2px solid transparent; cursor: pointer; transition: .2s; font-family: inherit;
}
.btn-sm { padding: 8px 16px; font-size: 14px; }
.btn-block { width: 100%; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #ec7608; transform: translateY(-1px); }
.btn-ghost { border-color: rgba(255,255,255,.35); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.1); }
.btn-ghost-dark { border-color: var(--navy); color: var(--navy); }
.btn-ghost-dark:hover { background: var(--navy); color: #fff; }
.btn-outline { border-color: var(--accent); color: var(--accent); }
.btn-outline:hover { background: var(--accent); color: #fff; }

.eyebrow {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 10px;
}
.accent { color: var(--accent); }

/* ===== Topbar ===== */
.topbar { background: var(--navy); color: #b9c6d8; font-size: 13px; }
.topbar-inner { display: flex; justify-content: space-between; gap: 16px; padding-top: 8px; padding-bottom: 8px; }
.topbar-right { display: flex; gap: 20px; }
.topbar a:hover { color: #fff; }

/* ===== Header ===== */
.header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); transition: box-shadow .2s; }
.header.scrolled { box-shadow: 0 6px 20px -10px rgba(0,0,0,.2); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 20px; color: var(--navy); }
.logo-mark { width: 40px; height: 40px; border-radius: 10px; background: var(--navy); color: var(--accent); display: grid; place-items: center; font-weight: 800; font-size: 22px; }
.logo-text strong { font-weight: 800; letter-spacing: .04em; }
.logo-light { color: #fff; }
.logo-light .logo-mark { background: var(--accent); color: var(--navy); }

.nav { display: flex; align-items: center; gap: 26px; font-weight: 500; font-size: 15px; }
.nav a:not(.btn):hover { color: var(--accent); }
.nav-toggle { display: none; background: none; border: 0; width: 40px; height: 40px; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; height: 2px; background: var(--navy); margin: 5px 0; transition: .25s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Hero ===== */
.hero {
  background:
    radial-gradient(800px 400px at 85% 20%, rgba(47,140,255,.25), transparent 60%),
    radial-gradient(600px 400px at 10% 90%, rgba(255,138,31,.15), transparent 60%),
    linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 60%, var(--navy-3) 100%);
  color: #fff; padding: 90px 0 110px; overflow: hidden;
}
.hero-inner { display: grid; grid-template-columns: 1.15fr 1fr; gap: 50px; align-items: center; }
.hero h1 { font-size: clamp(32px, 4.6vw, 54px); font-weight: 800; letter-spacing: -.02em; }
.lead { font-size: 18px; color: #c8d4e4; max-width: 560px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin: 30px 0 26px; }
.hero-badges { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 20px; color: #9fb0c6; font-size: 14px; }

.hero-visual { position: relative; height: 380px; }
.hv-ring { position: absolute; inset: 40px; border: 2px dashed rgba(255,255,255,.15); border-radius: 50%; animation: spin 40s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.hv-card {
  position: absolute; z-index: 2; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15);
  backdrop-filter: blur(10px); padding: 16px 20px; border-radius: 14px; font-weight: 600;
  display: flex; align-items: center; gap: 12px; box-shadow: 0 20px 40px -20px rgba(0,0,0,.5);
  animation: float 6s ease-in-out infinite;
}
.hv-ic { font-size: 26px; }
.hv-1 { top: 10px; left: 10%; }
.hv-2 { top: 90px; right: 0; animation-delay: -1.5s; }
.hv-3 { bottom: 80px; left: 0; animation-delay: -3s; }
.hv-4 { bottom: 0; right: 14%; animation-delay: -4.5s; }
@keyframes float { 50% { transform: translateY(-12px); } }

/* ===== İstatistik ===== */
.stats { margin-top: -50px; position: relative; z-index: 3; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 0; }
.stat { padding: 28px 20px; text-align: center; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat strong { display: block; font-size: 32px; font-weight: 800; color: var(--navy); }
.stat span { color: var(--muted); font-size: 14px; }

/* ===== Bölümler ===== */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--navy); color: #fff; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 50px; }
.section-head h2, .split h2 { font-size: clamp(26px, 3.2vw, 38px); font-weight: 800; letter-spacing: -.01em; }
.section-head p { color: var(--muted); font-size: 17px; }
.section-head.light p, .section-dark p { color: #a9b8cc; }

/* Kartlar */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px;
  transition: .25s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.card-ic { width: 54px; height: 54px; border-radius: 12px; background: #fff3e6; display: grid; place-items: center; font-size: 26px; margin-bottom: 18px; }
.card h3 { font-size: 19px; }
.card p { color: var(--muted); font-size: 15px; margin: 0; }
.cards-dark .card { background: var(--navy-2); border-color: rgba(255,255,255,.08); }
.cards-dark .card-ic { background: rgba(255,138,31,.15); }
.cards-dark .card p { color: #a9b8cc; }

/* Ürünler */
.filter { display: flex; justify-content: center; gap: 10px; margin-bottom: 34px; }
.chip { border: 1px solid var(--line); background: #fff; padding: 9px 20px; border-radius: 99px; font-weight: 600; cursor: pointer; font-family: inherit; color: var(--text); }
.chip.active, .chip:hover { background: var(--navy); color: #fff; border-color: var(--navy); }
.products { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.product { background: #fff; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); transition: .25s; }
.product:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.product[hidden] { display: none; }
.product-img { position: relative; aspect-ratio: 4/3; background: linear-gradient(135deg, #e8eef6, #f8fafc); display: grid; place-items: center; font-size: 64px; }
.tag { position: absolute; top: 12px; left: 12px; font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 6px; color: #fff; }
.tag-new { background: #18a957; }
.tag-used { background: var(--blue); }
.product-body { padding: 18px; }
.product-body h3 { font-size: 16px; margin-bottom: 4px; }
.spec { font-size: 13px; color: var(--muted); }
.product-foot { display: flex; justify-content: space-between; align-items: center; }
.price { font-size: 18px; color: var(--navy); }

/* Split düzen */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.split > div > p { color: var(--muted); }
.section-dark .split > div > p { color: #a9b8cc; }
.checklist { list-style: none; padding: 0; margin: 0 0 28px; }
.checklist li { padding: 8px 0 8px 32px; position: relative; }
.checklist li::before { content: '✓'; position: absolute; left: 0; top: 8px; width: 22px; height: 22px; border-radius: 50%; background: #fff3e6; color: var(--accent); font-weight: 800; font-size: 13px; display: grid; place-items: center; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature { background: var(--bg-alt); border-radius: var(--radius); padding: 24px 14px; text-align: center; display: flex; flex-direction: column; gap: 4px; transition: .25s; }
.feature:hover { background: var(--navy); color: #fff; }
.feature span { font-size: 34px; }
.feature small { color: var(--muted); }
.feature:hover small { color: #a9b8cc; }

/* Adımlar */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: s; }
.steps li { text-align: center; padding: 10px; position: relative; }
.steps li span { width: 60px; height: 60px; border-radius: 50%; background: var(--navy); color: var(--accent); font-weight: 800; font-size: 22px; display: grid; place-items: center; margin: 0 auto 16px; }
.steps li p { color: var(--muted); font-size: 15px; }

/* Hakkımızda */
.about-visual { display: grid; place-items: center; }
.about-box {
  width: 100%; aspect-ratio: 1/1; max-width: 420px; border-radius: 24px;
  background: linear-gradient(145deg, var(--navy), var(--navy-3)); color: #fff;
  display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center;
  box-shadow: var(--shadow); position: relative; overflow: hidden;
}
.about-box::after { content: ''; position: absolute; width: 60%; height: 60%; border-radius: 50%; background: var(--accent); filter: blur(90px); opacity: .35; bottom: -20%; right: -20%; }
.about-box strong { font-size: 64px; letter-spacing: .1em; color: var(--accent); }
.about-box span { color: #c8d4e4; }
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 24px; }
.values div { background: #fff; padding: 16px; border-radius: 12px; border: 1px solid var(--line); }
.values strong { display: block; color: var(--navy); }
.values small { color: var(--muted); }

/* SSS */
.faq details { border: 1px solid var(--line); border-radius: 12px; margin-bottom: 12px; background: #fff; }
.faq summary { padding: 18px 22px; font-weight: 600; cursor: pointer; list-style: none; position: relative; padding-right: 50px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: 22px; top: 50%; transform: translateY(-50%); font-size: 22px; color: var(--accent); transition: .2s; }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { padding: 0 22px 18px; margin: 0; color: var(--muted); }

/* İletişim */
.contact-list { list-style: none; padding: 0; margin: 24px 0 0; }
.contact-list li { display: flex; gap: 14px; align-items: center; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
.contact-list span { width: 38px; height: 38px; border-radius: 10px; background: rgba(255,138,31,.15); display: grid; place-items: center; }
.contact-list a:hover { color: var(--accent); }
.form { background: #fff; color: var(--text); padding: 32px; border-radius: 18px; box-shadow: var(--shadow); display: grid; gap: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form label { display: grid; gap: 6px; font-size: 14px; font-weight: 600; }
.form input, .form select, .form textarea {
  font: inherit; font-weight: 400; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg-alt); width: 100%;
}
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; background: #fff; }
.form .kvkk { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; color: var(--muted); }
.form .kvkk input { width: auto; margin-top: 4px; }
.form .kvkk a { color: var(--blue); text-decoration: underline; }
.form-msg { margin: 0; color: #18a957; font-weight: 600; min-height: 1em; }

.map { height: 340px; background: #dfe6ef; }
.map iframe { width: 100%; height: 100%; border: 0; display: block; }

/* Footer */
.footer { background: #071222; color: #9fb0c6; padding: 64px 0 0; font-size: 15px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; }
.footer h4 { color: #fff; font-size: 16px; margin-bottom: 16px; }
.footer-grid > div > a:not(.logo), .footer-grid span { display: block; padding: 4px 0; }
.footer a:hover { color: var(--accent); }
.footer .logo { margin-bottom: 14px; }
.footer-bottom { display: flex; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.08); margin-top: 48px; padding-top: 20px; padding-bottom: 24px; font-size: 13px; }

/* WhatsApp */
.whatsapp { position: fixed; right: 20px; bottom: 20px; width: 58px; height: 58px; border-radius: 50%; background: #25d366; color: #fff; display: grid; place-items: center; box-shadow: 0 10px 25px -5px rgba(37,211,102,.6); z-index: 60; transition: .2s; }
.whatsapp:hover { transform: scale(1.08); }

/* Animasyon */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ===== Duyarlı ===== */
@media (max-width: 1024px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .products { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav { gap: 18px; font-size: 14px; }
}
@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .nav {
    position: absolute; top: 72px; left: 0; right: 0; background: #fff; flex-direction: column; align-items: stretch;
    gap: 0; padding: 10px 20px 20px; border-bottom: 1px solid var(--line); box-shadow: 0 20px 30px -20px rgba(0,0,0,.3);
    display: none;
  }
  .nav.open { display: flex; }
  .nav a:not(.btn) { padding: 13px 0; border-bottom: 1px solid var(--line); }
  .nav .btn { margin-top: 14px; }
  .hero-inner, .split { grid-template-columns: 1fr; }
  .hero-visual { height: 300px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}
@media (max-width: 600px) {
  .topbar-inner > span:first-child { display: none; }
  .topbar-right { width: 100%; justify-content: space-between; gap: 10px; font-size: 12px; }
  .container { padding: 0 16px; }
  .section { padding: 70px 0; }
  .hero { padding: 60px 0 90px; }
  .hero-visual { display: none; }
  .cards, .products, .feature-grid, .values, .form-row, .footer-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 6px; }
  .form { padding: 22px; }
}