:root {
  --ink: #0e1934;
  --muted: #5c6b82;
  --blue: #2d5ffc;
  --blue-deep: #1d4fe0;
  --canvas: #f5f7fb;
  --line: #e4ecf5;
  --soft: #eef3fb;
  --white: #ffffff;
  --shadow: 0 12px 40px rgba(14, 25, 52, 0.05);
  --wrap: 1120px;
  --font: "Plus Jakarta Sans", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
::selection { background: #d7e3ff; color: var(--ink); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }
[hidden] { display: none !important; }
html[data-lang="tr"] [data-lang="en"] { display: none !important; }
html[data-lang="en"] [data-lang="tr"] { display: none !important; }

.skip {
  position: absolute;
  left: 16px;
  top: -40px;
  background: var(--ink);
  color: white;
  padding: 8px 12px;
  border-radius: 8px;
  z-index: 80;
}
.skip:focus { top: 12px; }

.wrap {
  width: min(var(--wrap), calc(100% - 40px));
  margin: 0 auto;
}
.main { flex: 1; }

.eyebrow {
  margin: 0;
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
h1, h2, h3, p { margin: 0; }
h1, h2, .display {
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.08;
}
h1 { font-size: clamp(36px, 5vw, 56px); max-width: 640px; }
.lede {
  margin-top: 16px;
  max-width: 38rem;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(228, 236, 245, 0.9);
  background: rgba(245, 247, 251, 0.9);
  backdrop-filter: blur(14px);
}
.header-bar {
  position: relative;
  display: flex;
  align-items: center;
  height: 76px;
}
.logo { position: relative; z-index: 2; display: flex; }
.logo img { height: 40px; width: auto; }
@media (max-width: 720px) {
  .logo img { height: 32px; }
}
.nav {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: none;
  gap: 32px;
  align-items: center;
}
.nav a {
  color: var(--muted);
  font-size: 14px;
}
.nav a[aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
  box-shadow: inset 0 -2px 0 var(--blue);
  padding-bottom: 2px;
}
.nav a:hover { color: var(--ink); }
.header-tools {
  position: relative;
  z-index: 2;
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 18px;
}
.lang { display: flex; align-items: center; gap: 8px; }
.lang button {
  border: 0;
  background: transparent;
  padding: 0;
  color: var(--muted);
  font-size: 14px;
  letter-spacing: 0.02em;
}
.lang button[aria-pressed="true"] { color: var(--ink); font-weight: 700; }
.lang-slash { color: #c5d0e0; font-size: 14px; }
.menu-btn {
  display: inline-flex;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
}
.mobile-nav {
  display: none;
  border-top: 1px solid var(--line);
  background: var(--canvas);
  padding: 8px 0 18px;
}
.mobile-nav a {
  display: block;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 16px;
}
.mobile-nav a[aria-current="page"] { color: var(--ink); font-weight: 600; }
.mobile-nav .btn {
  display: flex;
  width: 100%;
  margin-top: 16px;
  padding: 14px 18px;
  color: #fff;
  border-bottom: 0;
}
.site-header.is-open .mobile-nav { display: block; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 999px;
  background: var(--blue);
  color: white;
  padding: 12px 18px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 8px 20px rgba(45, 95, 252, 0.25);
}
.btn:hover { background: var(--blue-deep); }
.btn-ghost {
  background: white;
  color: var(--ink);
  border: 1px solid var(--line);
  box-shadow: none;
}
.btn-ghost:hover { background: white; border-color: rgba(45, 95, 252, 0.35); }
.btn-rect { border-radius: 12px; box-shadow: none; }
.header-cta { display: none; padding: 10px 16px; }

.hero {
  position: relative;
  overflow: hidden;
  padding: 64px 0 24px;
}
.hero-grid {
  display: grid;
  gap: 12px;
  align-items: center;
}
.watermark {
  position: absolute;
  right: -24px;
  top: 0;
  width: min(420px, 70vw);
  opacity: 0.08;
  pointer-events: none;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.proof {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 14px;
}
.proof a:hover { color: var(--ink); }
.hero-visual { position: relative; }
.hero-visual::before {
  content: "";
  position: absolute;
  inset: 12%;
  background: rgba(45, 95, 252, 0.12);
  filter: blur(48px);
  border-radius: 999px;
}
.hero-visual img { position: relative; width: 100%; height: auto; }

.section { padding: 28px 0 12px; }
.section h2 { font-size: clamp(30px, 4vw, 40px); max-width: 640px; }
.section .lede { font-size: 16px; }

.project-grid, .principle-grid {
  display: grid;
  gap: 20px;
  margin-top: 28px;
}
.card {
  background: white;
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
}
.project-card { overflow: hidden; }
.media { position: relative; aspect-ratio: 3 / 2; background: var(--soft); overflow: hidden; }
.media img, .fill-img { width: 100%; height: 100%; object-fit: cover; }
.project-card .body, .pad { padding: 22px 24px 24px; }
.sector {
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.project-card h3, .split-copy h2 { margin-top: 8px; font-size: 22px; letter-spacing: -0.02em; }
.muted { color: var(--muted); }
.small { font-size: 14px; line-height: 1.7; }
.outlink {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  color: var(--blue);
  font-size: 14px;
  font-weight: 700;
}
.outlink:hover { color: var(--blue-deep); }

.solution-list {
  margin-top: 28px;
  overflow: hidden;
}
.solution-row {
  display: grid;
  gap: 6px;
  padding: 22px 24px;
  border-bottom: 1px solid var(--line);
}
.solution-row:last-child { border-bottom: 0; }
.solution-row:hover { background: rgba(238, 243, 251, 0.7); }
.solution-row strong { font-size: 18px; letter-spacing: -0.02em; }
.num { color: var(--blue); font-size: 14px; font-weight: 700; }

.about-band {
  display: grid;
  gap: 28px;
  align-items: center;
  padding: 36px 0 12px;
}
.place {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
}
.place svg, .meta-line svg { color: var(--blue); flex: none; }
.frame { overflow: hidden; }
.frame img { width: 100%; height: auto; }

.cta-band {
  margin: 36px auto 72px;
  background: var(--ink);
  color: white;
  padding: 48px 28px;
}
.cta-band h2 { color: white; font-size: clamp(32px, 4vw, 48px); }
.cta-band p { margin-top: 14px; max-width: 34rem; color: rgba(255,255,255,0.72); line-height: 1.7; }
.cta-band .btn { margin-top: 24px; }

.page-hero { position: relative; overflow: hidden; padding: 56px 0 12px; }
.stack { display: grid; gap: 20px; margin-top: 28px; }
.solution-article, .project-feature {
  display: grid;
  gap: 22px;
  padding: 22px;
  scroll-margin-top: 96px;
}
.related { overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: var(--soft); }
.related figcaption {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  background: white;
}
.story {
  display: grid;
  gap: 18px;
  margin-top: 48px;
}
.story-copy p + p { margin-top: 14px; }
.figure-caption { padding: 14px 20px; color: var(--muted); font-size: 14px; }

.contact-grid {
  display: grid;
  gap: 20px;
  padding-bottom: 12px;
  scroll-margin-top: 96px;
}
.info-card, .form-card { padding: 32px 28px; }
.info-card { display: flex; flex-direction: column; justify-content: center; }
.mark-lg { width: 118px; height: auto; }
.meta-list { margin-top: 36px; display: grid; gap: 14px; }
.meta-line { display: flex; align-items: center; gap: 12px; font-size: 14px; }
.meta-line a:hover { color: var(--blue); }
.info-card .note { margin-top: 28px; max-width: 26ch; }

.form-card h2 { font-size: 22px; letter-spacing: -0.02em; }
.form-intro { margin-top: 8px; max-width: 36rem; }
.form-grid { display: grid; gap: 16px; margin-top: 22px; }
label.field { display: block; font-size: 14px; font-weight: 600; }
.control, select.control, textarea.control {
  width: 100%;
  margin-top: 8px;
  border: 1px solid var(--line);
  background: white;
  border-radius: 12px;
  padding: 12px 14px;
  font-weight: 500;
  outline: none;
}
.control::placeholder { color: #9aa8bc; }
.control:focus { border-color: var(--blue); }
.select-wrap { position: relative; }
.select-wrap select { appearance: none; padding-right: 40px; }
.select-wrap svg {
  position: absolute;
  right: 14px;
  top: calc(50% + 4px);
  width: 16px;
  height: 16px;
  color: var(--muted);
  pointer-events: none;
}
textarea.control { min-height: 120px; resize: vertical; }
.field-error { margin-top: 6px; color: #d12b3a; font-size: 12px; font-weight: 500; }
.form-foot {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 18px;
}
.consent {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  max-width: 420px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.6;
}
.consent input { margin-top: 2px; accent-color: var(--blue); }
.consent a { color: var(--blue); font-weight: 700; }
.form-error { margin-top: 12px; color: #d12b3a; font-size: 14px; }
.form-success { min-height: 380px; display: flex; flex-direction: column; justify-content: center; }
.form-success h2 { margin-top: 12px; font-size: 32px; }
.icon-close { display: none; }
.site-header.is-open .icon-menu { display: none; }
.site-header.is-open .icon-close { display: block; }

.faq { padding: 24px 0 80px; }
.faq-grid { display: grid; gap: 28px; align-items: start; }
.faq h2 { font-size: clamp(32px, 4vw, 44px); }
.faq-list { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.faq-item + .faq-item { border-top: 1px solid var(--line); }
.faq-item button {
  width: 100%;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  padding: 18px 0;
  border: 0;
  background: transparent;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
}
.faq-item button svg { width: 20px; height: 20px; color: var(--muted); flex: none; transition: transform 0.2s ease; }
.faq-item button[aria-expanded="true"] svg { transform: rotate(45deg); }
.faq-item .answer { max-width: 40rem; padding: 0 36px 16px 0; }

.site-footer { border-top: 1px solid var(--line); margin-top: auto; }
.footer-bar, .footer-legal {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 28px 0;
}
.footer-logo img { height: 32px; width: auto; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 10px 22px; color: var(--muted); font-size: 14px; }
.footer-nav a:hover, .footer-meta a:hover, .footer-legal a:hover { color: var(--ink); }
.footer-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; color: var(--muted); font-size: 14px; }
.footer-legal {
  border-top: 1px solid rgba(228, 236, 245, 0.8);
  padding: 14px 0 18px;
  color: var(--muted);
  font-size: 12px;
}

@media (min-width: 720px) {
  .form-grid.two { grid-template-columns: 1fr 1fr; }
  .project-grid, .principle-grid { grid-template-columns: 1fr 1fr; }
  .form-foot { flex-direction: row; align-items: center; justify-content: space-between; }
  .cta-band { padding: 56px 48px; }
  .footer-legal { flex-direction: row; justify-content: space-between; align-items: center; }
}
@media (min-width: 980px) {
  .hero { padding: 80px 0 36px; }
  .hero-grid, .about-band { grid-template-columns: 1.05fr 0.95fr; }
  .solution-row { grid-template-columns: 72px 1fr 1.15fr; align-items: center; gap: 12px; padding: 24px 28px; }
  .solution-article { grid-template-columns: 1fr 280px; align-items: center; padding: 28px; }
  .project-feature { grid-template-columns: 1fr 1fr; padding: 0; gap: 0; align-items: stretch; }
  .project-feature .copy { padding: 36px 40px; display: flex; flex-direction: column; justify-content: center; }
  .project-feature .media { min-height: 100%; aspect-ratio: auto; }
  .project-feature.is-flip .media { order: 2; }
  .story { grid-template-columns: 0.8fr 1.2fr; gap: 40px; }
  .contact-grid { grid-template-columns: 0.82fr 1.18fr; align-items: stretch; }
  .info-card, .form-card { padding: 40px 36px; }
  .faq-grid { grid-template-columns: 0.78fr 1.22fr; gap: 64px; }
  .footer-bar { flex-direction: row; align-items: center; justify-content: space-between; }
  .cta-inner { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; }
  .cta-band .btn { margin-top: 0; }
}
@media (min-width: 1100px) {
  .nav { display: flex; }
  .menu-btn { display: none; }
  .header-cta { display: inline-flex; }
  .mobile-nav, .site-header.is-open .mobile-nav { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

.chat-launcher {
  position: fixed;
  right: 12px;
  bottom: 8px;
  z-index: 60;
  width: 112px;
  height: 112px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  display: block;
}
.chat-launcher img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 10px 16px rgba(14, 25, 52, 0.22));
}
.chat-launcher:hover img { transform: translateY(-3px); }
.chat-panel {
  position: fixed;
  right: 20px;
  bottom: 128px;
  z-index: 60;
  width: min(392px, calc(100vw - 24px));
  height: min(560px, calc(100vh - 160px));
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: 28px;
  background: white;
  border: 1px solid var(--line);
  box-shadow: 0 24px 60px rgba(14, 25, 52, 0.16);
}
.chat-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 16px 14px;
  background: var(--ink);
  color: white;
}
.chat-head img { width: 36px; height: auto; }
.chat-head strong { display: block; font-size: 15px; letter-spacing: -0.02em; }
.chat-head span { display: block; margin-top: 2px; color: rgba(255,255,255,0.72); font-size: 12px; }
.chat-close {
  margin-left: auto;
  border: 0;
  background: transparent;
  color: white;
  width: 36px;
  height: 36px;
  border-radius: 999px;
}
.chat-log {
  flex: 1;
  overflow: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--canvas);
}
.chat-bubble {
  max-width: 86%;
  padding: 10px 12px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.55;
  white-space: pre-wrap;
}
.chat-bubble.assistant {
  align-self: flex-start;
  background: white;
  border: 1px solid var(--line);
  color: var(--ink);
}
.chat-bubble.user {
  align-self: flex-end;
  background: var(--blue);
  color: white;
}
.chat-bubble.pending { color: var(--muted); }
.chat-form {
  display: flex;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--line);
  background: white;
}
.chat-form textarea {
  flex: 1;
  resize: none;
  min-height: 44px;
  max-height: 96px;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 10px 12px;
  outline: none;
}
.chat-form textarea:focus { border-color: var(--blue); }
.chat-form button {
  border: 0;
  border-radius: 14px;
  background: var(--blue);
  color: white;
  padding: 0 14px;
  font-size: 13px;
  font-weight: 600;
}
.chat-form button:disabled { opacity: 0.6; }
@media (max-width: 720px) {
  .chat-launcher { width: 92px; height: 92px; right: 8px; bottom: 4px; }
  .chat-panel { right: 12px; bottom: 104px; height: min(560px, calc(100vh - 136px)); }
}