/* ChemiArtClick — tanıtım sitesi
   Tek tema (koyu), sistem fontları, harici bağımlılık yok. */

:root {
  --bg: #0d1117;
  --bg-alt: #11171f;
  --panel: #161d27;
  --panel-2: #1b2430;
  --line: #262f3d;
  --text: #e8edf4;
  --muted: #9aa7b8;
  --accent: #e0b872;
  --accent-2: #c8964a;
  --radius: 14px;
  --wrap: 1140px;
  --serif: Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 22px; }

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--accent); color: #10161e; padding: 10px 16px; z-index: 100; border-radius: 0 0 8px 0;
}
.skip:focus { left: 0; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(13, 17, 23, .82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; height: 68px; }

.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark {
  width: 34px; height: 34px; display: grid; place-items: center;
  border-radius: 9px; background: linear-gradient(145deg, var(--accent), var(--accent-2));
  color: #10161e; font-family: var(--serif); font-size: 19px; font-weight: 700;
}
.brand-text { font-family: var(--serif); font-size: 19px; letter-spacing: .3px; }
.brand-text em { font-style: italic; color: var(--accent); }

.nav { display: flex; align-items: center; gap: 26px; }
.nav a { text-decoration: none; color: var(--muted); font-size: 15px; transition: color .18s ease; }
.nav a:hover { color: var(--text); }
.nav .nav-cta {
  color: var(--accent); border: 1px solid rgba(224, 184, 114, .45);
  padding: 8px 16px; border-radius: 999px;
}
.nav .nav-cta:hover { background: rgba(224, 184, 114, .1); color: var(--accent); }

.nav-toggle {
  display: none; width: 42px; height: 38px; background: none; border: 1px solid var(--line);
  border-radius: 9px; cursor: pointer; padding: 9px 10px;
}
.nav-toggle span { display: block; height: 2px; background: var(--text); border-radius: 2px; margin: 3px 0; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding: 96px 0 84px; border-bottom: 1px solid var(--line); }
.hero-glow {
  position: absolute; inset: -30% 20% auto -10%; height: 560px;
  background: radial-gradient(closest-side, rgba(224,184,114,.16), transparent 72%);
  pointer-events: none;
}
.hero-inner { position: relative; max-width: 820px; }

.eyebrow {
  margin: 0 0 14px; text-transform: uppercase; letter-spacing: .18em;
  font-size: 12px; color: var(--accent);
}

.hero h1 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(2.1rem, 5.4vw, 3.6rem);
  line-height: 1.14; margin: 0 0 20px; letter-spacing: -.5px;
}
.accent { color: var(--accent); font-style: italic; }

.lead { font-size: clamp(1rem, 2.2vw, 1.16rem); color: var(--muted); max-width: 620px; margin: 0 0 32px; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.btn {
  display: inline-block; text-decoration: none; font-size: 15px; font-weight: 600;
  padding: 13px 26px; border-radius: 999px; transition: transform .15s ease, background .18s ease, border-color .18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: linear-gradient(145deg, var(--accent), var(--accent-2)); color: #10161e; }
.btn-primary:hover { background: var(--accent); }
.btn-ghost { border: 1px solid var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.hero-stats {
  list-style: none; display: flex; flex-wrap: wrap; gap: 40px;
  margin: 52px 0 0; padding: 26px 0 0; border-top: 1px solid var(--line);
}
.hero-stats strong { display: block; font-family: var(--serif); font-size: 1.7rem; color: var(--accent); }
.hero-stats span { font-size: 14px; color: var(--muted); }

/* ---------- Bölümler ---------- */
.section { padding: 84px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.section-head { max-width: 640px; margin: 0 0 46px; }
.section-head h2 {
  font-family: var(--serif); font-weight: 400; letter-spacing: -.3px;
  font-size: clamp(1.6rem, 3.6vw, 2.35rem); line-height: 1.2; margin: 0 0 12px;
}
.section-sub { color: var(--muted); margin: 0; }

.grid { display: grid; gap: 22px; }
.cards { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }

/* ---------- Hizmet kartları ---------- */
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 26px; transition: border-color .2s ease, transform .2s ease, background .2s ease;
}
.card:hover { border-color: rgba(224,184,114,.42); transform: translateY(-3px); background: var(--panel-2); }

.card-icon {
  width: 44px; height: 44px; border-radius: 11px; display: grid; place-items: center;
  background: rgba(224,184,114,.1); color: var(--accent); margin-bottom: 18px;
}
.card-icon svg { width: 23px; height: 23px; stroke-linecap: round; stroke-linejoin: round; }

.card h3 { font-size: 1.08rem; margin: 0 0 10px; line-height: 1.35; }
.card p { color: var(--muted); font-size: 15px; margin: 0 0 16px; }

.card-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); padding-top: 14px; }
.card-list li { position: relative; padding-left: 18px; font-size: 14px; color: var(--muted); margin-bottom: 6px; }
.card-list li::before { content: ""; position: absolute; left: 0; top: 9px; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

/* ---------- İşler ---------- */
.works { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }

.work {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: border-color .2s ease, transform .2s ease;
}
.work:hover { border-color: rgba(224,184,114,.42); transform: translateY(-3px); }

.work-visual {
  height: 150px; display: grid; place-items: center;
  font-family: var(--serif); font-size: 2.6rem; letter-spacing: 2px; color: rgba(255,255,255,.9);
  border-bottom: 1px solid var(--line);
}
.work-visual-fd { background: linear-gradient(135deg, #2a2135, #4a3352 60%, #6b4a63); }
.work-visual-sb { background: linear-gradient(135deg, #1d2a2a, #294040 60%, #3d5a52); }

.work-body { padding: 26px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.work-tag { margin: 0; font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
.work h3 { font-family: var(--serif); font-weight: 400; font-size: 1.3rem; margin: 0; }
.work p { color: var(--muted); font-size: 15px; margin: 0; }

.chips { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 0; padding: 0; }
.chips li {
  font-size: 12.5px; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px; padding: 5px 12px;
}

.work p strong { color: var(--text); font-weight: 600; }
.work p em { color: var(--accent); }

.work-link {
  margin-top: auto; padding-top: 12px;
  font-size: 14px; color: var(--accent); text-decoration: none; font-weight: 600;
}
.work-link:hover { text-decoration: underline; }

.work-cta { background: linear-gradient(160deg, var(--panel-2), var(--panel)); justify-content: center; }
.work-cta .work-body { gap: 14px; }
.work-cta .btn { align-self: flex-start; margin-top: 6px; }

/* ---------- Süreç ---------- */
.steps {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: 22px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  counter-reset: step;
}
.steps li {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px;
}
.step-no { display: block; font-family: var(--serif); font-size: 1.5rem; color: var(--accent); margin-bottom: 10px; }
.steps h3 { margin: 0 0 8px; font-size: 1.05rem; }
.steps p { margin: 0; color: var(--muted); font-size: 15px; }

/* ---------- Hakkımızda ---------- */
.about { display: grid; gap: 34px; grid-template-columns: 1.5fr 1fr; align-items: start; }
.about h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(1.6rem, 3.6vw, 2.2rem); margin: 0 0 16px; }
.about p { color: var(--muted); margin: 0 0 16px; }

.ticks { list-style: none; margin: 22px 0 0; padding: 0; }
.ticks li { position: relative; padding-left: 26px; margin-bottom: 10px; font-size: 15px; }
.ticks li::before {
  content: "✓"; position: absolute; left: 0; top: -1px; color: var(--accent); font-weight: 700;
}

.about-box { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px; }
.about-box h3 { margin: 0 0 16px; font-size: 1rem; letter-spacing: .04em; text-transform: uppercase; color: var(--accent); }
.about-box dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 10px 16px; font-size: 14.5px; }
.about-box dt { color: var(--muted); }
.about-box dd { margin: 0; }

/* ---------- İletişim ---------- */
.contact { text-align: center; background: var(--bg-alt); border-top: 1px solid var(--line); }
.contact-inner { max-width: 680px; margin: 0 auto; }
.contact h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(1.7rem, 4vw, 2.5rem); margin: 0 0 12px; }
.contact .eyebrow { margin-bottom: 12px; }
.contact-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin: 30px 0 16px; }
.contact-note { color: var(--muted); font-size: 14px; margin: 0; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 40px 0; background: var(--bg); }
.footer-inner { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between; }
.footer-note { color: var(--muted); font-size: 14px; margin: 6px 0 0; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 20px; }
.footer-nav a { text-decoration: none; color: var(--muted); font-size: 14.5px; }
.footer-nav a:hover { color: var(--accent); }
.copy { color: var(--muted); font-size: 13.5px; margin: 0; width: 100%; padding-top: 18px; border-top: 1px solid var(--line); }

/* ---------- Mobil ---------- */
@media (max-width: 860px) {
  .about { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav {
    position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg-alt); border-bottom: 1px solid var(--line);
    padding: 8px 22px 18px; display: none;
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav .nav-cta { text-align: center; margin-top: 14px; border-bottom: none; }

  .hero { padding: 66px 0 60px; }
  .section { padding: 62px 0; }
  .hero-stats { gap: 28px; }
  body { font-size: 16px; }
}