/* HGCO — HG Danışmanlık ve Yazılım
   Sade, modern kurumsal tema. Navy + bakır vurgu rengi. */

:root {
  --navy: #0f2942;
  --navy-2: #16324a;
  --navy-3: #1e3f5c;
  --copper: #c8752e;
  --copper-light: #e0954f;
  --bg: #f7f8fa;
  --white: #ffffff;
  --ink: #1f2937;
  --ink-soft: #5b6675;
  --border: #e3e7ec;
  --radius: 10px;
  --shadow: 0 6px 24px rgba(15, 41, 66, 0.08);
  --maxw: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 248, 250, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 0.5px;
  color: var(--navy);
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo .mark {
  width: 30px; height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--navy), var(--navy-3));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--copper-light);
  font-weight: 900;
  font-size: 15px;
}

nav.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
nav.main-nav a {
  font-size: 15px;
  font-weight: 600;
  color: var(--navy-2);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: border-color .15s ease, color .15s ease;
}
nav.main-nav a:hover,
nav.main-nav a.active {
  color: var(--copper);
  border-color: var(--copper);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.lang-switch {
  display: flex;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
}
.lang-switch a {
  padding: 4px 8px;
  border-radius: 6px;
  color: var(--ink-soft);
}
.lang-switch a.active {
  background: var(--navy);
  color: var(--white);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.menu-toggle span {
  width: 22px; height: 2px; background: var(--navy);
  display: block;
}

@media (max-width: 780px) {
  nav.main-nav {
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    max-height: 0;
    overflow: hidden;
    transition: max-height .25s ease;
  }
  nav.main-nav.open { max-height: 320px; }
  nav.main-nav a {
    width: 100%;
    padding: 14px 24px;
    border-bottom: 1px solid var(--border);
    border-left: 3px solid transparent;
  }
  nav.main-nav a.active { border-left-color: var(--copper); border-bottom-color: var(--border); }
  .menu-toggle { display: flex; }
}

/* ---------- Hero ---------- */
.hero {
  padding: 72px 0 56px;
  background: radial-gradient(circle at 85% 20%, rgba(200,117,46,0.08), transparent 45%), var(--bg);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
}
.eyebrow {
  color: var(--copper);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  margin-bottom: 14px;
}
h1 {
  font-size: 42px;
  line-height: 1.15;
  color: var(--navy);
  margin: 0 0 18px;
  font-weight: 800;
}
.lede {
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 520px;
  margin: 0 0 30px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 15px;
  transition: transform .12s ease, box-shadow .12s ease;
}
.btn-primary {
  background: var(--copper);
  color: var(--white);
  box-shadow: 0 8px 20px rgba(200,117,46,0.28);
}
.btn-primary:hover { transform: translateY(-2px); }
.btn-ghost {
  background: transparent;
  color: var(--navy);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover { border-color: var(--navy); }
.btn-row { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-art { display: flex; justify-content: center; }
.hero-art svg { width: 100%; max-width: 380px; }

/* ---------- Sections ---------- */
section { padding: 64px 0; }
.section-head { max-width: 640px; margin: 0 0 40px; }
.section-head .eyebrow { margin-bottom: 10px; }
h2 {
  font-size: 30px;
  color: var(--navy);
  margin: 0 0 12px;
  font-weight: 800;
}
.section-head p { color: var(--ink-soft); font-size: 16px; margin: 0; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 860px) {
  .card-grid { grid-template-columns: 1fr; }
}
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: box-shadow .15s ease, transform .15s ease;
}
.card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.card .icon {
  width: 46px; height: 46px;
  border-radius: 10px;
  background: rgba(15,41,66,0.06);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  color: var(--copper);
}
.card h3 { font-size: 18px; color: var(--navy); margin: 0 0 10px; font-weight: 700; }
.card p { color: var(--ink-soft); font-size: 15px; margin: 0; }

/* ---------- App cards (Uygulamalar) ---------- */
.app-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
@media (max-width: 780px) {
  .app-grid { grid-template-columns: 1fr; }
}
.app-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.app-card-head {
  display: flex;
  align-items: center;
  gap: 14px;
}
.app-card .icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: rgba(15,41,66,0.06);
  color: var(--copper);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.app-card h3 { font-size: 18px; color: var(--navy); margin: 0; font-weight: 700; }
.app-card .badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(200,117,46,0.12);
  color: var(--copper);
  width: fit-content;
}
.app-card .badge.soon {
  background: rgba(91,102,117,0.12);
  color: var(--ink-soft);
}
.app-card p { color: var(--ink-soft); font-size: 15px; margin: 0; flex-grow: 1; }
.app-card .app-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 4px;
}
.app-card .btn { padding: 10px 18px; font-size: 14px; }

.app-shots {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
  margin: 2px 0 4px;
  -webkit-overflow-scrolling: touch;
}
.app-shots img {
  height: 220px;
  width: auto;
  border-radius: 12px;
  border: 1px solid var(--border);
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(15,41,66,0.10);
}
.app-card.wide { grid-column: 1 / -1; }
@media (max-width: 780px) {
  .app-shots img { height: 180px; }
}

.band {
  background: var(--navy);
  color: rgba(255,255,255,0.92);
}
.band h2, .band .section-head p { color: var(--white); }
.band .section-head p { color: rgba(255,255,255,0.7); }

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
@media (max-width: 860px) { .two-col { grid-template-columns: 1fr; } }
.mode-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 26px;
}
.mode-card h3 { color: var(--copper-light); margin: 0 0 10px; font-size: 18px; }
.mode-card p { color: rgba(255,255,255,0.78); margin: 0; font-size: 15px; }

.stats {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.stat b { display: block; font-size: 30px; color: var(--navy); font-weight: 800; }
.stat span { color: var(--ink-soft); font-size: 14px; }

/* ---------- Prose (privacy/support pages) ---------- */
.prose {
  max-width: 740px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 40px;
}
.prose h3 {
  color: var(--navy);
  font-size: 18px;
  margin: 28px 0 10px;
}
.prose h3:first-child { margin-top: 0; }
.prose p { color: var(--ink); font-size: 15.5px; margin: 0 0 14px; }
.prose ul { margin: 0 0 14px; padding-left: 20px; color: var(--ink); font-size: 15.5px; }
.prose li { margin-bottom: 6px; }
.prose a { color: var(--copper); font-weight: 600; text-decoration: underline; }
.prose p.updated {
  display: inline-block;
  background: rgba(15,41,66,0.06);
  color: var(--navy-2);
  font-size: 13px;
  padding: 6px 12px;
  border-radius: 6px;
  margin-bottom: 20px;
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

.info-list { list-style: none; margin: 0 0 24px; padding: 0; display: grid; gap: 16px; }
.info-list li {
  display: flex; gap: 14px; align-items: flex-start;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.info-list .icon {
  width: 34px; height: 34px; border-radius: 8px;
  background: rgba(200,117,46,0.1); color: var(--copper);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.info-list b { display: block; font-size: 13px; color: var(--ink-soft); font-weight: 600; }
.info-list div a, .info-list div span { font-size: 15px; color: var(--navy); font-weight: 600; }

form.contact-form {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: grid;
  gap: 16px;
}
.field label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--navy-2);
  margin-bottom: 6px;
}
.field input, .field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  background: var(--bg);
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--copper);
  background: var(--white);
}
.form-note { font-size: 13px; color: var(--ink-soft); margin: 0; }

/* ---------- Footer ---------- */
footer {
  background: var(--navy-2);
  color: rgba(255,255,255,0.7);
  padding: 40px 0 24px;
  font-size: 14px;
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding-bottom: 24px;
  margin-bottom: 18px;
}
.footer-grid a { color: rgba(255,255,255,0.75); }
.footer-grid a:hover { color: var(--copper-light); }
.footer-brand { font-weight: 800; color: var(--white); font-size: 17px; margin-bottom: 6px; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: 13px; color: rgba(255,255,255,0.5); }

/* ---------- Page hero (subpages) ---------- */
.page-hero {
  padding: 56px 0 40px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.page-hero h1 { font-size: 34px; margin-bottom: 10px; }
.page-hero p { color: var(--ink-soft); font-size: 16px; max-width: 620px; margin: 0; }

.service-detail {
  display: grid;
  gap: 20px;
}
.service-row {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 20px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
}
@media (max-width: 620px) {
  .service-row { grid-template-columns: 1fr; }
}
.service-row .icon {
  width: 52px; height: 52px; border-radius: 12px;
  background: rgba(15,41,66,0.06); color: var(--copper);
  display: flex; align-items: center; justify-content: center;
}
.service-row h3 { margin: 0 0 8px; color: var(--navy); font-size: 19px; }
.service-row p { margin: 0; color: var(--ink-soft); font-size: 15px; }