/* RAG Signal — Light / NY Terminal Design System */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;700&family=Manrope:wght@400;500;600;700;800&display=swap');

:root {
  --bg: #F7F6F3;
  --bg2: #EFEDE8;
  --surface: #FFFFFF;
  --surface2: #F2F0EB;
  --border: #E0DDD6;
  --border2: #C8C4BC;
  --green: #FA500F;
  --green-light: rgba(250,80,15,.08);
  --green-mid: rgba(250,80,15,.12);
  --amber: #B85C00;
  --amber-light: #FFF3E6;
  --red: #C0392B;
  --red-light: #FDECEA;
  --text: #1A1A18;
  --muted: #6B6860;
  --muted2: #A09D97;
  --white: #FFFFFF;
  --ink: #0F0F0D;
  --mono: 'IBM Plex Mono', monospace;
  --sans: 'Manrope', sans-serif;
  --max: 1140px;
  --radius: 3px;
  --shadow: 0 1px 3px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.06);
  --shadow-lg: 0 2px 8px rgba(0,0,0,.08), 0 16px 40px rgba(0,0,0,.1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; }

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

/* ── TYPOGRAPHY ── */
h1, h2, h3, h4 {
  font-family: var(--sans);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.03em;
  color: var(--ink);
}
h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); font-weight: 800; letter-spacing: -.04em; line-height: 1.05; }
h2 { font-size: clamp(1.875rem, 4vw, 3rem); font-weight: 700; }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.875rem); font-weight: 600; }
h4 { font-size: clamp(1rem, 1.5vw, 1.25rem); font-weight: 600; }

/* ── CURSOR BLINK ── */
.cursor::after {
  content: '_';
  color: var(--green);
  animation: blink 1.1s step-end infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

/* ── PROMPT LINE ── */
.prompt {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--green);
  letter-spacing: .04em;
}
.prompt::before { content: '> '; opacity: .5; }

/* ── HEADER ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247,246,243,.94);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 64px;
  flex-wrap: wrap;
}

/* ── LOGO ── */
.brand { display: flex; align-items: center; gap: 0; text-decoration: none; }
.logo-cli {
  display: inline-flex;
  align-items: center;
  background: #0F0F0D;
  padding: 5px 10px;
  border-radius: 4px;
  border: 1px solid #2A2A26;
  line-height: 1;
  gap: 0;
  white-space: nowrap;
}


.brand-text { margin-left: 10px; }
.brand-name {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: .06em;
  display: block;
  line-height: 1.2;
}
.brand-name .slash { color: var(--green); }
.brand-tag {
  font-family: var(--mono);
  font-size: 9px;
  color: var(--muted2);
  letter-spacing: .1em;
  text-transform: uppercase;
  display: block;
  margin-top: 1px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: wrap;
}
.nav a {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  padding: 7px 11px;
  border-radius: var(--radius);
  transition: color .15s, background .15s;
  letter-spacing: .03em;
}
.nav a:hover { color: var(--ink); background: var(--surface2); }
.nav a.active { color: var(--green); }
.nav .btn-nav {
  color: var(--white);
  background: var(--ink);
  font-weight: 700;
  padding: 8px 16px;
  border-radius: var(--radius);
  margin-left: 6px;
}
.nav .btn-nav:hover { background: var(--green); }

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  padding: 12px 22px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .15s;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--ink);
  color: var(--white);
  border-color: var(--ink);
}
.btn-primary:hover { background: var(--green); border-color: var(--green); }
.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--border2);
}
.btn-outline:hover { border-color: var(--ink); }
.btn-ghost {
  background: transparent;
  color: var(--muted);
  border-color: var(--border);
}
.btn-ghost:hover { color: var(--ink); border-color: var(--border2); }

/* ── CARDS / PANELS ── */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.panel-green {
  background: var(--green-light);
  border: 1px solid rgba(10,122,62,.2);
  border-radius: var(--radius);
}
.panel-amber {
  background: var(--amber-light);
  border: 1px solid rgba(184,92,0,.2);
  border-radius: var(--radius);
}
.panel-ink {
  background: var(--ink);
  border: 1px solid #2A2A28;
  border-radius: var(--radius);
  color: var(--white);
}

/* ── TERMINAL BLOCK ── */
.terminal {
  background: var(--ink);
  border: 1px solid #2A2A28;
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.8;
  padding: 20px 24px;
  overflow-x: auto;
  color: #C8C4BC;
}
.terminal .t-dim { color: #555550; }
.terminal .t-green { color: #a51c30; }
.terminal .t-amber { color: #FBB040; }
.terminal .t-red { color: #F87171; }
.terminal .t-white { color: #F0F0EC; }
.terminal .t-muted { color: #888880; }
.terminal .t-prompt { color: #a51c30; }

/* ── BADGE / TAG ── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 4px 9px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  color: var(--muted);
  background: var(--surface2);
}
.tag-green { color: var(--green); border-color: rgba(10,122,62,.25); background: var(--green-light); }
.tag-amber { color: var(--amber); border-color: rgba(184,92,0,.25); background: var(--amber-light); }
.tag-red { color: var(--red); border-color: rgba(192,57,43,.25); background: var(--red-light); }
.tag-ink { color: var(--white); background: var(--ink); border-color: var(--ink); }

/* ── SECTION ── */
.section { padding: 100px 0; }
.section-sm { padding: 56px 0 0; }

.eyebrow {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: '';
  width: 18px;
  height: 1px;
  background: var(--green);
  display: inline-block;
  flex-shrink: 0;
}

.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head h2 { font-size: clamp(2rem, 5vw, 3.2rem); margin-bottom: 16px; }
.section-head p { color: var(--muted); font-size: 17px; max-width: 58ch; font-family: var(--sans); }

/* ── GRID ── */
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; }

/* ── DIVIDER ── */
.divider { border: none; border-top: 1px solid var(--border); margin: 0; }

/* ── STAT ── */
.stat strong {
  display: block;
  font-family: var(--mono);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--green);
  line-height: 1;
  margin-bottom: 6px;
}
.stat span { color: var(--muted); font-size: 13px; font-family: var(--sans); }

/* ── TICKER ── */
.ticker {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--green);
  letter-spacing: .06em;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.ticker::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s ease-in-out infinite;
  flex-shrink: 0;
}
@keyframes pulse { 0%,100%{opacity:.5} 50%{opacity:1} }

/* ── FOOTER ── */
.site-footer {
  margin-top: 0;
  border-top: 1px solid var(--border);
  background: var(--surface2);
  padding: 56px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-col h4 {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted2);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; display: grid; gap: 10px; }
.footer-col a { color: var(--muted); font-size: 14px; transition: color .15s; font-family: var(--sans); }
.footer-col a:hover { color: var(--text); }
.footer-col p { color: var(--muted); font-size: 14px; line-height: 1.65; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted2);
  letter-spacing: .04em;
}

/* ── FORMS ── */
.form-group { display: grid; gap: 7px; }
.form-group label { font-family: var(--mono); font-size: 11px; color: var(--muted); letter-spacing: .06em; font-weight: 700; }
input, textarea, select {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 11px 13px;
  font-family: var(--sans);
  font-size: 14px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(10,122,62,.1);
}
textarea { min-height: 130px; resize: vertical; }

/* ── MODAL ── */
.modal {
  position: fixed; inset: 0; display: none; align-items: center; justify-content: center;
  padding: 20px; background: rgba(15,15,13,.7); z-index: 100; backdrop-filter: blur(8px);
}
.modal.open { display: flex; }
.modal-panel {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px; width: min(680px, 100%); position: relative; max-height: 90vh; overflow-y: auto;
}
.modal-close {
  position: absolute; top: 16px; right: 16px; background: none; border: 1px solid var(--border);
  color: var(--muted); width: 32px; height: 32px; border-radius: var(--radius); cursor: pointer;
  font-size: 18px; display: grid; place-items: center;
}
.modal-close:hover { color: var(--ink); }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .wrap { width: min(calc(100% - 28px), var(--max)); }
  .section { padding: 60px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .nav { gap: 2px; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; scrollbar-width: none; }
  .nav::-webkit-scrollbar { display: none; }
  .nav a { white-space: nowrap; }
}

/* ── MOBILE RESPONSIVE ── */
@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .header-row { min-height: 56px; gap: 12px; }
}

@media (max-width: 640px) {
  .wrap { width: min(calc(100% - 24px), var(--max)); }
  .section { padding: 56px 0; }
  .section-head { margin-bottom: 32px; }
  .section-head p { font-size: 15px; }

  /* header */
  .header-row { flex-wrap: nowrap; min-height: 52px; gap: 8px; }
  .nav { gap: 0; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 2px; scrollbar-width: none; font-size: 11px; }
  .nav::-webkit-scrollbar { display: none; }
  .nav a { white-space: nowrap; padding: 6px 8px; font-size: 11px; }
  .nav .btn-nav { padding: 6px 12px; margin-left: 4px; font-size: 11px; }

  /* logo */
  .logo-cli {
  display: inline-block;
  line-height: 0;
  vertical-align: middle;
}

  /* hero */
  .hero { padding: 40px 0 0; }
  .hero-grid { grid-template-columns: 1fr; min-height: auto; }
  .hero-left { padding: 0 0 32px; border-right: none; border-bottom: 1px solid var(--border); }
  .hero-right { padding: 32px 0 0; }
  .rag-canvas-wrap { min-height: 240px; }
  .hero h1 { font-size: clamp(2.4rem, 10vw, 3.5rem); }
  .hero-sub { font-size: 15px; }
  .hero-actions { flex-direction: column; gap: 8px; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-stats { flex-wrap: wrap; gap: 16px; padding-top: 20px; }
  .hero-stat { border-right: none; margin-right: 0; padding-right: 0; }

  /* grids */
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }

  /* case study */
  .panel [style*="grid-template-columns:minmax(0,1.2fr)"] { grid-template-columns: 1fr !important; }
  .panel [style*="grid-template-columns:1fr 1fr"] { grid-template-columns: 1fr 1fr !important; }

  /* about strip */
  .about-strip { grid-template-columns: 1fr !important; }
  .portrait-wrap { max-width: 140px; }

  /* cta band */
  .cta-band { padding: 56px 0; margin-top: 60px; }
  .cta-band h2 { font-size: clamp(1.8rem, 8vw, 2.5rem); }
  .cta-band .actions { flex-direction: column; align-items: center; gap: 8px; }
  .cta-band .actions .btn { width: 100%; max-width: 320px; justify-content: center; }

  /* footer */
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }

  /* page hero (alt sayfalar) */
  .page-hero { padding: 48px 0 40px; }
  .page-hero h1 { font-size: clamp(2rem, 9vw, 3rem); }

  /* pricing cards */
  .price-card, .service-card { padding: 24px; }

  /* buttons */
  .btn { font-size: 12px; padding: 11px 18px; }
}

@media (max-width: 400px) {
  .logo-cli {
  display: inline-block;
  line-height: 0;
  vertical-align: middle;
}
  .nav a { padding: 5px 6px; font-size: 10px; }
}

/* ── INLINE GRID RESPONSIVE ── */
@media (max-width: 640px) {
  /* inline style grid'leri tek kolona düşür */
  [style*="grid-template-columns:minmax(0,1.2fr)"],
  [style*="grid-template-columns:minmax(0,1.4fr)"],
  [style*="grid-template-columns:minmax(0,1fr) minmax(0,1fr)"],
  [style*="grid-template-columns:minmax(0,1fr) minmax(0,.8fr)"],
  [style*="grid-template-columns:minmax(0,1fr) minmax(0,1fr)"],
  [style*="grid-template-columns:1fr 1fr 1fr"],
  [style*="grid-template-columns:1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
  /* services method grid */
  [style*="grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px"] {
    grid-template-columns: 1fr !important;
  }
  /* platform tech stack 3-col */
  [style*="grid-template-columns:1fr 1fr 1fr"] {
    grid-template-columns: 1fr 1fr !important;
  }
  /* hero stats */
  .hero-stats { justify-content: flex-start !important; }
  /* overflow guard */
  .panel, .panel-green, .panel-amber, .panel-ink {
    overflow-wrap: break-word;
    word-break: break-word;
  }
  /* table overflow */
  .compare-table { font-size: 12px; }
  .compare-table td, .compare-table th { padding: 10px 8px; }
  /* canvas min-height mobilde küçült */
  canvas { min-height: 200px !important; }
  /* brand memory grid */
  .brand-memory-grid { grid-template-columns: 1fr !important; }
  /* about strip */
  .about-strip { grid-template-columns: 1fr !important; }
  /* results case study grid */
  [style*="grid-template-columns:minmax(0,1.4fr)"] { grid-template-columns: 1fr !important; }
}

@media (max-width: 480px) {
  /* pricing/service cards tam genişlik */
  .price-card, .service-card { padding: 20px !important; }
  /* hero butonlar dikey */
  .hero-actions { flex-direction: column !important; }
  .hero-actions .btn { width: 100% !important; justify-content: center !important; }
  /* stat kutular wrap */
  .hero-stats { flex-wrap: wrap !important; gap: 16px !important; }
  .hero-stat { border-right: none !important; margin-right: 0 !important; padding-right: 0 !important; }
}