/* ────────────────────────────────────────
   Shared styles for Çözüm detail pages
   ──────────────────────────────────────── */
:root {
  --ink: #E8472C;
  --ink-dark: #0A2540;
  --ink-2: #c43818;
  --ink-soft: #4a5b75;
  --muted: #6b7a91;
  --line: #e6ebf2;
  --line-2: #f0f3f8;
  --bg: #ffffff;
  --bg-soft: #f7f9fc;
  --bg-tint: #eef3fa;
  --accent: #E8472C;
  --green: #10b981;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(10,37,64,0.04), 0 1px 1px rgba(10,37,64,0.03);
  --shadow-md: 0 4px 12px rgba(10,37,64,0.06), 0 2px 4px rgba(10,37,64,0.04);
  --font: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'Geist Mono', ui-monospace, SFMono-Regular, monospace;
  --font-serif: 'Instrument Serif', Georgia, serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink-dark);
  background: var(--bg);
  font-feature-settings: 'ss01', 'ss02', 'cv11';
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
  font-size: 16px;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
::selection { background: var(--ink-dark); color: #fff; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 32px; }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  font-weight: 500;
}

/* ─────────── NAV ─────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
}
.brand-mark {
  width: 28px; height: 28px;
  border-radius: 7px;
  background: var(--accent);
  display: grid; place-items: center;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
}
.nav-links {
  display: flex;
  gap: 4px;
  align-items: center;
}
.nav-links a {
  padding: 8px 14px;
  font-size: 14px;
  color: var(--ink-soft);
  border-radius: 8px;
  font-weight: 450;
  transition: color .15s, background .15s;
}
.nav-links a:hover { color: var(--ink-dark); background: var(--bg-soft); }
/* Dropdown */
.nav-dropdown {
  position: relative;
}
.nav-dropdown-trigger {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  font-size: 14px;
  color: var(--ink-soft);
  border-radius: 8px;
  font-weight: 450;
  cursor: pointer;
  background: none;
  border: 0;
  font-family: inherit;
  transition: color .15s, background .15s;
}
.nav-dropdown-trigger svg { transition: transform .2s; }
.nav-dropdown:hover .nav-dropdown-trigger,
.nav-dropdown:focus-within .nav-dropdown-trigger {
  color: var(--ink-dark);
  background: var(--bg-soft);
}
.nav-dropdown:hover .nav-dropdown-trigger svg,
.nav-dropdown:focus-within .nav-dropdown-trigger svg {
  transform: rotate(180deg);
}
.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  min-width: 260px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 16px 36px rgba(10,37,64,0.1), 0 2px 6px rgba(10,37,64,0.05);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .18s, transform .18s, visibility .18s;
  z-index: 60;
}
.nav-dropdown-menu::before {
  content: "";
  position: absolute;
  top: -10px;
  left: 0; right: 0;
  height: 10px;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.nav-dropdown-menu a {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--ink-dark);
  font-weight: 450;
  transition: background .15s;
}
.nav-dropdown-menu a:hover { background: var(--bg-soft); }
.nav-dropdown-menu .menu-icon {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: var(--bg-tint);
  display: grid; place-items: center;
  color: var(--ink-dark);
  flex-shrink: 0;
}
.nav-dropdown-menu .menu-title {
  font-weight: 500;
  line-height: 1.3;
}
.nav-dropdown-menu .menu-sub {
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
  line-height: 1.35;
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--accent);
  color: #fff !important;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  transition: transform .15s, background .15s;
}
.nav-cta:hover { background: var(--ink-2); transform: translateY(-1px); }

/* ─────────── BREADCRUMB ─────────── */
.breadcrumb {
  border-bottom: 1px solid var(--line);
  background: var(--bg-soft);
}
.breadcrumb-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 32px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-soft);
}
.breadcrumb a {
  color: var(--ink-soft);
  transition: color .15s;
}
.breadcrumb a:hover { color: var(--ink-dark); }
.breadcrumb .sep {
  color: var(--muted);
  opacity: 0.5;
}
.breadcrumb .current {
  color: var(--ink-dark);
  font-weight: 500;
}

/* ─────────── HERO ─────────── */
.s-hero {
  position: relative;
  padding: 80px 0 60px;
  overflow: hidden;
}
.s-hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(10,37,64,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(10,37,64,0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 80%);
  pointer-events: none;
}
.s-hero-inner {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}
.s-hero-icon {
  width: 64px; height: 64px;
  border-radius: 16px;
  background: var(--accent);
  color: #fff;
  display: grid;
  place-items: center;
  margin: 0 auto 28px;
  box-shadow: 0 10px 30px color-mix(in oklab, var(--accent), transparent 70%);
}
.s-hero h1 {
  font-size: clamp(40px, 5vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.035em;
  margin: 0 0 20px;
  font-weight: 500;
  color: var(--ink-dark);
}
.s-hero h1 em {
  font-style: italic;
  font-family: var(--font-serif);
  font-weight: 400;
  color: var(--ink-soft);
}
.s-hero p {
  font-size: 19px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0 auto;
  max-width: 640px;
  text-wrap: pretty;
}

/* ─────────── SECTIONS ─────────── */
.s-body {
  padding: 80px 0 100px;
}
.s-grid {
  display: grid;
  gap: 16px;
  max-width: 1080px;
  margin: 0 auto;
}
.s-grid.cols-2 { grid-template-columns: 1fr 1fr; }
.s-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.s-section {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  background: #fff;
  transition: border-color .2s, box-shadow .2s;
}
.s-section:hover {
  border-color: #d4dbe6;
  box-shadow: var(--shadow-md);
}
.s-section-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}
.s-section h3 {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin: 0 0 20px;
  color: var(--ink-dark);
}
.s-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}
.s-section li {
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink-dark);
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.s-section li::before {
  content: "";
  flex: 0 0 6px;
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  margin-top: 8px;
}

/* ─────────── CTA STRIP ─────────── */
.s-cta {
  background: var(--ink-dark);
  color: #fff;
  position: relative;
  overflow: hidden;
  padding: 80px 0;
}
.s-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 50%, #000 30%, transparent 80%);
  pointer-events: none;
}
.s-cta-inner {
  position: relative;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}
.s-cta h2 {
  font-size: clamp(28px, 3.6vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0 0 16px;
  font-weight: 500;
  color: #fff;
}
.s-cta h2 em {
  font-style: italic;
  font-family: var(--font-serif);
  font-weight: 400;
  color: rgba(255,255,255,0.6);
}
.s-cta p {
  font-size: 17px;
  line-height: 1.55;
  color: rgba(255,255,255,0.7);
  margin: 0 0 32px;
}
.s-cta-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ─────────── OTHER SOLUTIONS ─────────── */
.s-others {
  padding: 80px 0;
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
}
.s-others-header {
  text-align: center;
  margin-bottom: 40px;
}
.s-others-header h2 {
  font-size: clamp(24px, 2.8vw, 32px);
  letter-spacing: -0.02em;
  margin: 8px 0 0;
  font-weight: 500;
}
.s-others-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}
.s-other-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all .2s;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.s-other-card:hover {
  border-color: #c8d2e0;
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.s-other-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--bg-tint);
  color: var(--ink-dark);
  display: grid;
  place-items: center;
}
.s-other-card h3 {
  font-size: 18px;
  font-weight: 500;
  margin: 0;
  letter-spacing: -0.01em;
}
.s-other-card p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.5;
  margin: 0 0 8px;
  flex: 1;
}
.s-other-card .arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-dark);
  transition: gap .15s;
}
.s-other-card:hover .arrow { gap: 10px; }

/* ─────────── BUTTONS ─────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  border: 1px solid transparent;
  transition: all .15s ease;
  letter-spacing: -0.005em;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 1px 2px rgba(10,37,64,0.4), inset 0 1px 0 rgba(255,255,255,0.1);
}
.btn-primary:hover { background: var(--ink-2); transform: translateY(-1px); }
.btn-secondary {
  background: #fff;
  color: var(--ink-dark);
  border-color: rgba(255,255,255,0.15);
}
.btn-secondary {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.25);
}
.btn-secondary:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.4); }

/* ─────────── FOOTER ─────────── */
footer {
  background: var(--bg);
  border-top: 1px solid var(--line);
  padding: 48px 0 32px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 40px;
}
.footer-col h4 {
  font-size: 12px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 0 0 16px;
  font-weight: 500;
}
.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--ink-soft);
  padding: 4px 0;
  transition: color .15s;
}
.footer-col a:hover { color: var(--ink-dark); }
.footer-about p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.55;
  margin: 16px 0 20px;
  max-width: 320px;
}
.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--muted);
  flex-wrap: wrap;
  gap: 16px;
}

@media (max-width: 900px) {
  .s-grid.cols-2, .s-grid.cols-3 { grid-template-columns: 1fr; }
  .s-others-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .container { padding: 0 20px; }
  .nav-links a:not(.nav-cta) { display: none; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
}