/* C0A · marka: siyah / kırık beyaz / tek yeşil. Mor "AI gradient" yok. */
:root {
  --green: #39FF14;
  --green-dim: rgba(57, 255, 20, .14);
  --bg: #0B0B0B;
  --bg-2: #121212;
  --line: #2A2A2A;
  --text: #F5F5F5;
  --muted: #9A9A9A;
  --display: "Space Grotesk", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --max: 1120px;
  --gutter: clamp(16px, 4vw, 40px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 17px/1.6 var(--display);
  overflow-x: hidden;
}
/* grain */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none; z-index: 100;
  opacity: .06;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
a { color: inherit; }
img { max-width: 100%; display: block; }
::selection { background: var(--green); color: var(--bg); }
:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; }

.mono { font-family: var(--mono); }
.muted { color: var(--muted); }
.small { font-size: .82rem; }
.zero { color: var(--green); }

/* NAV */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  max-width: var(--max); margin: 0 auto;
  padding: 14px var(--gutter);
  background: linear-gradient(var(--bg) 60%, transparent);
}
.nav-logo {
  font: 700 1.35rem/1 var(--display);
  letter-spacing: .02em; text-decoration: none;
}
.nav-links { display: flex; gap: clamp(14px, 3vw, 28px); font: 500 .85rem var(--mono); }
.nav-links a { text-decoration: none; color: var(--muted); transition: color .15s; }
.nav-links a:hover { color: var(--green); }

main, .footer { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

/* HERO */
.hero {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  align-items: center;
  gap: clamp(24px, 5vw, 64px);
  min-height: min(calc(100svh - 70px), 860px);
  padding: 32px 0 72px;
}
.hero::before { /* fırça darbeleri */
  content: "";
  position: absolute; z-index: -1;
  top: -10%; right: -20%;
  width: 80%; height: 110%;
  -webkit-mask-image: radial-gradient(closest-side, #000 40%, transparent);
          mask-image: radial-gradient(closest-side, #000 40%, transparent);
  background:
    linear-gradient(115deg, transparent 46%, var(--green-dim) 47%, var(--green-dim) 49%, transparent 50%),
    linear-gradient(115deg, transparent 58%, rgba(57,255,20,.07) 59%, rgba(57,255,20,.07) 64%, transparent 65%),
    radial-gradient(closest-side, rgba(57,255,20,.10), transparent);
  filter: blur(1px);
}

.logo {
  position: relative;
  display: inline-block;
  margin: 0;
  font: 700 clamp(5rem, 16vw, 10.5rem)/.9 var(--display);
  letter-spacing: -.01em;
  transform: rotate(-3deg);
  text-shadow: 0 0 40px rgba(57,255,20,.08);
}
.logo .zero { text-shadow: 0 0 32px rgba(57,255,20,.45); }
.crown {
  position: absolute;
  width: .38em; left: .02em; top: -.36em;
  fill: none; stroke: var(--green); stroke-width: 7; stroke-linejoin: round;
  transform: rotate(-10deg);
}
.brush {
  position: absolute;
  left: 4%; bottom: -.16em;
  width: 92%; height: .16em;
  fill: var(--green);
}
.slogan {
  margin: 34px 0 0;
  font: 700 clamp(1.6rem, 4vw, 2.4rem)/1.1 var(--display);
}

.term {
  margin: 22px 0 0;
  display: inline-flex; align-items: center; gap: .5ch;
  padding: 10px 14px;
  border: 1px solid var(--line); border-radius: 8px;
  background: var(--bg-2);
  font: 500 clamp(.85rem, 2.2vw, 1rem) var(--mono);
  max-width: 100%;
}
.prompt { color: var(--green); }
.cursor {
  display: inline-block; width: .6ch; height: 1.1em;
  background: var(--green);
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.lede { max-width: 52ch; margin: 24px 0 0; color: #cfcfcf; }

.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.btn {
  display: inline-block;
  padding: 14px 22px;
  font: 700 .95rem var(--mono); letter-spacing: .04em;
  text-decoration: none;
  border-radius: 6px;
  transition: transform .12s, box-shadow .12s, background .12s;
}
.btn-primary { background: var(--green); color: var(--bg); }
.btn-primary:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--text); }
.btn-ghost { border: 1px solid var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--green); color: var(--green); }

/* MASKOT */
.mascot { position: relative; margin: 0; justify-self: center; text-align: center; }
.mascot-btn {
  display: block; padding: 0; border: 0; background: none; cursor: pointer;
  animation: bob 5s ease-in-out infinite;
}
.mascot-btn img {
  width: min(400px, 80vw); height: auto;
  filter: drop-shadow(0 20px 50px rgba(57,255,20,.18));
  transition: transform .15s;
}
.mascot-btn:active img { transform: scale(.96) rotate(-2deg); }
.mascot.poked .mascot-btn img { animation: poke .35s ease; }
@keyframes bob { 50% { transform: translateY(-10px); } }
@keyframes poke { 30% { transform: rotate(-6deg) scale(1.03); } 70% { transform: rotate(4deg); } }
.mascot figcaption { margin-top: 10px; font: .8rem var(--mono); color: var(--muted); }
.mascot .hint { color: var(--green); opacity: .7; }

.bubble {
  position: absolute; z-index: 2;
  top: 2%; right: 70%;
  width: max-content; max-width: 230px;
  padding: 10px 14px;
  background: var(--text); color: var(--bg);
  border-radius: 14px 14px 2px 14px;
  font: 500 .82rem/1.35 var(--mono);
  text-align: left;
  transform: rotate(-3deg);
  transition: opacity .2s, transform .2s;
}
.bubble.swap { opacity: 0; transform: rotate(-3deg) translateY(4px); }

/* BÖLÜMLER */
.section { padding: clamp(56px, 9vw, 110px) 0; border-top: 1px solid var(--line); }
.section-head {
  display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between;
  gap: 8px 24px; margin-bottom: 36px;
}
.section-head h2 { margin: 0; font: 700 clamp(2rem, 5vw, 3rem)/1 var(--display); }
.section-head p { margin: 0; font-size: .85rem; }

/* DENEYLER */
.exp-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.exp {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 20px 28px;
  padding: 26px;
  border: 1px solid var(--line); border-radius: 12px;
  background: var(--bg-2);
  transition: border-color .15s;
}
.exp:hover { border-color: rgba(57,255,20,.5); }
.exp-no { color: var(--green); font-weight: 700; font-size: .9rem; padding-top: 4px; }
.exp-body h3 { margin: 0 0 8px; font: 700 1.35rem/1.25 var(--display); }
.exp-body p { margin: 0; color: #c8c8c8; max-width: 60ch; }
.exp-body a { color: var(--green); }
.exp-meta { display: flex; gap: 8px; margin-top: 14px; }
.tag { font-size: .72rem; padding: 3px 9px; border: 1px solid var(--line); border-radius: 99px; color: var(--muted); }
.exp-state { display: flex; flex-direction: column; align-items: flex-end; gap: 14px; }
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 12px; border-radius: 99px;
  font-size: .78rem; font-weight: 700;
  background: var(--green-dim); color: var(--green);
}
.badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); animation: blink 1.4s steps(1) infinite; }
.badge-dim { background: transparent; border: 1px dashed var(--line); color: var(--muted); }
.pipeline { list-style: none; display: flex; gap: 4px; margin: 0; padding: 0; font-size: .68rem; }
.pipeline li { padding: 3px 7px; border-radius: 4px; background: #1b1b1b; color: #666; }
.pipeline li.done { color: var(--text); }
.pipeline li.now { background: var(--green); color: var(--bg); font-weight: 700; }
.exp-next { background: transparent; border-style: dashed; }
.exp-next .exp-no { color: var(--muted); }

/* SÜTUNLAR */
.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.pillar {
  padding: 24px; border: 1px solid var(--line); border-radius: 12px;
  display: flex; flex-direction: column;
}
.pillar h3 { margin: 6px 0 8px; font: 700 1.4rem/1.1 var(--display); }
.pillar p { margin: 0; color: #c8c8c8; font-size: .95rem; }
.pillar-k { font-size: .72rem; color: var(--muted) !important; }
.pillar .example { margin-top: auto; padding-top: 18px; font-size: .78rem; color: var(--green); }
.pillar-main { border-color: var(--green); background: linear-gradient(160deg, var(--green-dim), transparent 60%); }

/* KURAL */
.rule { text-align: center; }
.rule blockquote {
  margin: 12px 0 20px;
  font: 700 clamp(2.6rem, 9vw, 6rem)/.95 var(--display);
  letter-spacing: -.02em;
}
.hl {
  color: var(--bg);
  background: var(--green);
  padding: 0 .12em;
  box-decoration-break: clone; -webkit-box-decoration-break: clone;
}
.rule-sub { margin: 0 0 14px; color: #c8c8c8; }
.chips { list-style: none; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: 0 0 22px; padding: 0; }
.chips li { padding: 6px 12px; border: 1px solid var(--line); border-radius: 6px; font-size: .85rem; }
.chips li:last-child { border-color: var(--green); color: var(--green); }

/* LİNKLER */
.links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.link-card {
  display: flex; flex-direction: column; gap: 6px;
  padding: 24px; text-decoration: none;
  border: 1px solid var(--line); border-radius: 12px;
  transition: border-color .15s, transform .15s;
}
.link-card:hover { border-color: var(--green); transform: translateY(-3px); }
.link-k { font-size: .75rem; color: var(--muted); }
.link-v { font: 700 1.15rem/1.3 var(--display); }
.link-h { margin-top: 8px; font-size: .82rem; color: var(--green); }

/* FOOTER */
.footer {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding-top: 32px; padding-bottom: 48px;
  border-top: 1px solid var(--line);
}
.footer p { margin: 0; }
.footer a { color: var(--muted); }
.footer a:hover { color: var(--green); }
.footer-pp { border-radius: 50%; border: 2px solid var(--green); }
.footer-end { margin-left: auto !important; }

/* RESPONSIVE */
@media (max-width: 900px) {
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .links { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; min-height: 0; padding-top: 48px; }
  .mascot { order: -1; }
  .mascot-btn img { width: min(280px, 70vw); }
  .bubble { right: auto; left: 50%; top: -8px; transform: translateX(-110%) rotate(-3deg); max-width: 180px; font-size: .75rem; }
  .bubble.swap { transform: translateX(-110%) rotate(-3deg) translateY(4px); }
  .exp { grid-template-columns: 1fr; padding: 20px; }
  .exp-state { align-items: flex-start; }
  .footer-end { margin-left: 0 !important; width: 100%; }
}
@media (max-width: 480px) {
  .pillars { grid-template-columns: 1fr; }
  .pipeline { flex-wrap: wrap; }
  .bubble { transform: translateX(-85%) rotate(-3deg); }
  .bubble.swap { transform: translateX(-85%) rotate(-3deg) translateY(4px); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}