/* Nyaalytica — liquid glass. Tek dosya, build step yok.
   Cam yuzeyler: backdrop-filter + doygunlık + gradyan kenar + speküler parlama.
   backdrop-filter desteklenmezse opak yedek renk devreye girer. */

:root {
  --bg: #070910;
  --bg-soft: #0e121c;
  --text: #f2f5fb;
  --text-dim: #a8b2c6;
  --text-faint: #7b869c;
  --accent: #5eead4;
  --accent-2: #818cf8;
  --accent-ink: #04211d;
  --radius: 22px;
  --radius-sm: 14px;
  --maxw: 1080px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Inter, Roboto, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  /* cam yuzey */
  --glass: linear-gradient(148deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.028));
  --glass-strong: linear-gradient(148deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.05));
  --edge: rgba(255, 255, 255, 0.26);
  --edge-soft: rgba(255, 255, 255, 0.12);
  --blur: blur(22px) saturate(170%);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #eef1f8;
    --bg-soft: #ffffff;
    --text: #0d1220;
    --text-dim: #4d586e;
    --text-faint: #6f7a91;
    --accent: #0d9488;
    --accent-2: #4f46e5;
    --accent-ink: #ffffff;
    --glass: linear-gradient(148deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.42));
    --glass-strong: linear-gradient(148deg, rgba(255, 255, 255, 0.86), rgba(255, 255, 255, 0.6));
    --edge: rgba(255, 255, 255, 0.9);
    --edge-soft: rgba(15, 23, 42, 0.08);
    --blur: blur(20px) saturate(180%);
  }
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

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

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, .mono { font-family: var(--mono); font-size: 0.9em; }

/* ---------- arka plan: sinir (aurora) ---------- */

.aurora {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(60% 46% at 12% 8%, color-mix(in srgb, var(--accent) 30%, transparent), transparent 70%),
    radial-gradient(52% 44% at 88% 22%, color-mix(in srgb, var(--accent-2) 32%, transparent), transparent 72%),
    radial-gradient(64% 50% at 50% 108%, color-mix(in srgb, var(--accent-2) 22%, transparent), transparent 74%);
  filter: blur(30px);
}

/* Uzerinde ince taneli doku: cam yuzeye derinlik verir. */
.grain {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.4;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
}

@media (prefers-color-scheme: light) {
  .grain { opacity: 0.25; mix-blend-mode: multiply; }
}

/* ---------- cam yuzey altilari ---------- */

/* Her cam yuzey: bulanik zemin + 1px gradyan kenar + ic parlama. */
.glass {
  position: relative;
  isolation: isolate;
  background: var(--glass);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-radius: var(--radius);
  box-shadow:
    0 1px 0 0 rgba(255, 255, 255, 0.14) inset,
    0 18px 46px -22px rgba(0, 0, 0, 0.55);
}

/* Gradyan kenar: maske ile sadece kenari gorunur kilar. */
.glass::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(150deg, var(--edge), rgba(255, 255, 255, 0.04) 42%, transparent 72%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  pointer-events: none;
  z-index: 1;
}

/* Spekuler parlama: ust kenardan iceri dogru kayan isik. */
.glass::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.14), transparent 34%);
  pointer-events: none;
  z-index: 0;
}

/* backdrop-filter yoksa cam gorunmez; opak yedek. */
@supports not ((backdrop-filter: blur(2px)) or (-webkit-backdrop-filter: blur(2px))) {
  .glass {
    background: color-mix(in srgb, var(--bg-soft) 92%, transparent);
    border: 1px solid var(--edge-soft);
  }
  header .glass { background: color-mix(in srgb, var(--bg) 94%, transparent); }
}

/* ---------- layout ---------- */

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

section { padding: 88px 0; }

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 14px;
}

h1, h2, h3 { line-height: 1.15; letter-spacing: -0.03em; margin: 0 0 16px; }

h1 {
  font-size: clamp(2.15rem, 6.2vw, 3.7rem);
  font-weight: 700;
  max-width: 17ch;
}

/* Basliktaki vurgulu kelime cam etkisiyle one cikar. */
h1 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

h2 { font-size: clamp(1.6rem, 3.6vw, 2.2rem); font-weight: 650; }
h3 { font-size: 1.14rem; font-weight: 620; margin-bottom: 8px; letter-spacing: -0.01em; }

p { margin: 0 0 16px; color: var(--text-dim); }
p.lead { font-size: 1.12rem; max-width: 58ch; }
p:last-child { margin-bottom: 0; }
strong { color: var(--text); font-weight: 600; }

/* ---------- header ---------- */

header {
  position: sticky;
  top: 0;
  z-index: 30;
  padding: 12px 0;
  background: transparent;
}

.header-shell {
  border-radius: 100px;
  padding: 0 10px 0 22px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-weight: 680;
  font-size: 1.02rem;
  letter-spacing: -0.02em;
  color: var(--text);
}
.logo:hover { text-decoration: none; }
.logo span { color: var(--accent); }

/* Logo noktasi hafifce nefes alir. */
.logo span {
  display: inline-block;
  animation: breathe 3.4s var(--ease) infinite;
}
@keyframes breathe {
  0%, 100% { opacity: 1; transform: translateY(0); }
  50% { opacity: 0.45; transform: translateY(-1px); }
}

nav { display: flex; align-items: center; gap: 6px; font-size: 0.92rem; }

nav a {
  color: var(--text-dim);
  padding: 7px 13px;
  border-radius: 100px;
  transition: background 0.28s var(--ease), color 0.28s var(--ease);
}
nav a:hover { color: var(--text); background: rgba(255, 255, 255, 0.09); text-decoration: none; }

/* ---------- butonlar ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 100px;
  font-size: 0.93rem;
  font-weight: 560;
  cursor: pointer;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease),
              background 0.28s var(--ease), border-color 0.28s var(--ease);
}
.btn:hover { text-decoration: none; }
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: var(--accent-ink);
  box-shadow: 0 10px 30px -12px color-mix(in srgb, var(--accent) 70%, transparent);
}
.btn-primary:hover {
  box-shadow: 0 14px 38px -12px color-mix(in srgb, var(--accent) 85%, transparent);
}

.btn-ghost {
  border-color: var(--edge-soft);
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

/* ---------- hero ---------- */

.hero { padding: 72px 0 84px; }

.hero-glass {
  padding: 46px 44px;
  border-radius: 34px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero-copy > * { position: relative; z-index: 2; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  padding: 6px 15px;
  border-radius: 100px;
  margin-bottom: 26px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--edge-soft);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.badge b { color: var(--accent); font-weight: 600; }

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
  animation: breathe 2.6s var(--ease) infinite;
}

.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

/* ---------- hero: akis semasi ---------- */

/* Soldaki metin, sagda veri kaynagindan katmana akan boru hatti. */

.flow {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  position: relative;
  z-index: 2;
}

.flow-sources {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.chip {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  padding: 6px 12px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--edge-soft);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  white-space: nowrap;
}

/* Boru hatti: yukari degil, asagi akan isik. */
.flow-link {
  position: relative;
  height: 46px;
  width: 2px;
  margin: 0 auto;
  background: linear-gradient(180deg,
    color-mix(in srgb, var(--accent) 45%, transparent),
    color-mix(in srgb, var(--accent-2) 45%, transparent));
  border-radius: 2px;
}

.pulse {
  position: absolute;
  left: 50%;
  top: 0;
  width: 6px;
  height: 6px;
  margin-left: -3px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px 2px color-mix(in srgb, var(--accent) 65%, transparent);
  animation: drip 2.1s var(--ease) infinite;
}

.flow-link:nth-of-type(2) .pulse { animation-delay: 1.05s; }

@keyframes drip {
  0% { transform: translateY(-6px); opacity: 0; }
  25% { opacity: 1; }
  75% { opacity: 1; }
  100% { transform: translateY(52px); opacity: 0; }
}

.stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 18px 20px;
  border-radius: var(--radius-sm);
  text-align: center;
}

.stage b {
  font-size: 1rem;
  font-weight: 620;
  letter-spacing: -0.01em;
}

.stage small {
  font-size: 0.76rem;
  color: var(--text-faint);
}

.stage-kicker {
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent);
  padding: 2px 9px;
  border-radius: 100px;
  margin-bottom: 6px;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
}

.stage-kicker.ai {
  color: var(--accent-2);
  background: color-mix(in srgb, var(--accent-2) 14%, transparent);
  border-color: color-mix(in srgb, var(--accent-2) 28%, transparent);
}

/* ---------- grid + kartlar ---------- */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(272px, 1fr));
  gap: 20px;
}

.card {
  padding: 26px 24px;
  border-radius: var(--radius);
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease);
  cursor: default;
}

/* Kart hover'da yukselir ve cami belirginlesir. */
.card:hover {
  transform: translateY(-5px);
  box-shadow:
    0 1px 0 0 rgba(255, 255, 255, 0.2) inset,
    0 30px 60px -24px rgba(0, 0, 0, 0.7);
}
.card:hover::before {
  background: linear-gradient(150deg, color-mix(in srgb, var(--accent) 60%, transparent),
                              rgba(255, 255, 255, 0.05) 45%, transparent 74%);
}

.card p { font-size: 0.95rem; margin: 0; }

/* Kicker rozet: her kartin alan etiketi. */
.kicker {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent);
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 13px;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 26%, transparent);
}

/* Claude Code paragrafi: vurgulu, kendi kutusunda. */
.claude {
  font-size: 0.95rem;
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--accent-2) 9%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-2) 24%, transparent);
}

.anka-panel > * { position: relative; z-index: 2; }

/* ---------- anka ---------- */

.anka {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 40px;
  align-items: stretch;
}

.anka-panel { padding: 38px 36px; border-radius: 30px; }

.tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fbbf24;
  background: color-mix(in srgb, #fbbf24 14%, transparent);
  border: 1px solid color-mix(in srgb, #fbbf24 30%, transparent);
  border-radius: 100px;
  padding: 4px 12px;
  margin-bottom: 16px;
}

.facts {
  list-style: none;
  margin: 0;
  padding: 8px;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.facts li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 13px 16px;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  transition: background 0.3s var(--ease);
}
.facts li:hover { background: rgba(255, 255, 255, 0.07); }

.facts b {
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text);
}
.facts span { color: var(--text-dim); }

/* ---------- iletisim ---------- */

.contact { text-align: center; }

.contact-glass {
  padding: 58px 40px;
  border-radius: 34px;
}

.mail {
  display: inline-block;
  font-family: var(--mono);
  font-size: clamp(1.05rem, 3.4vw, 1.55rem);
  font-weight: 500;
  margin: 12px 0 8px;
  word-break: break-word;
  position: relative;
  transition: color 0.28s var(--ease);
}
.mail::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.45s var(--ease);
}
.mail:hover { text-decoration: none; }
.mail:hover::after { transform: scaleX(1); transform-origin: left; }

/* ---------- footer ---------- */

footer { padding: 30px 0 40px; font-size: 0.86rem; color: var(--text-faint); }

footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  align-items: center;
  padding-top: 22px;
  border-top: 1px solid var(--edge-soft);
}

/* ---------- dil dugmesi ---------- */

.lang {
  display: flex;
  padding: 3px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--edge-soft);
}
.lang button {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--text-faint);
  font-family: var(--mono);
  font-size: 0.75rem;
  padding: 5px 12px;
  border-radius: 100px;
  cursor: pointer;
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}
.lang button[aria-pressed="true"] {
  background: rgba(255, 255, 255, 0.14);
  color: var(--text);
  box-shadow: 0 1px 0 0 rgba(255, 255, 255, 0.16) inset;
}

/* ---------- scroll reveal ---------- */

/* Hero: metin ve sema ayri ayri kademeli girer. */
.js .hero-copy > *,
.js .flow {
  opacity: 0;
  animation: rise 0.85s var(--ease) forwards;
}
.js .hero-copy > *:nth-child(1) { animation-delay: 0.05s; }
.js .hero-copy > *:nth-child(2) { animation-delay: 0.15s; }
.js .hero-copy > *:nth-child(3) { animation-delay: 0.25s; }
.js .hero-copy > *:nth-child(4) { animation-delay: 0.35s; }
.js .flow { animation-delay: 0.28s; }

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
}
.reveal.seen { opacity: 1; transform: none; }

@keyframes rise {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: none; }
}

/* ---------- responsive ---------- */

@media (max-width: 780px) {
  body { font-size: 16px; }
  section { padding: 60px 0; }
  .hero { padding: 44px 0 56px; }
  .hero-glass { padding: 32px 24px; border-radius: 26px; }
  .contact-glass { padding: 40px 22px; border-radius: 26px; }
  .anka-panel { padding: 28px 24px; }
  .anka { grid-template-columns: 1fr; gap: 22px; }
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .flow-link { height: 34px; }
  @keyframes drip {
    0% { transform: translateY(-6px); opacity: 0; }
    25% { opacity: 1; }
    75% { opacity: 1; }
    100% { transform: translateY(40px); opacity: 0; }
  }
  nav a.nav-hide { display: none; }
  .facts li { flex-direction: column; align-items: flex-start; gap: 2px; }
  .header-shell { padding-left: 16px; }
}

/* Hareket hassasiyeti: gecisler kapanir, icerik gorunur kalir. */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal { opacity: 1; transform: none; }
  .js .hero-copy > *,
  .js .flow { opacity: 1; animation: none; }
  .card:hover { transform: none; }
  .pulse { animation: none; opacity: 0.7; }
}