/* VelocityAPI — design system. Dark editorial-tech. Self-contained (no webfont fetch). */
:root {
  --bg:        oklch(16% 0.012 264);
  --bg-2:      oklch(19% 0.018 264);
  --surface:   oklch(22% 0.02 264 / 0.7);
  --surface-2: oklch(26% 0.022 264 / 0.6);
  --line:      oklch(100% 0 0 / 0.09);
  --line-2:    oklch(100% 0 0 / 0.16);
  --text:      oklch(96% 0.005 264);
  --muted:     oklch(72% 0.012 264);
  --faint:     oklch(58% 0.012 264);
  --accent:    oklch(72% 0.18 295);
  --accent-2:  oklch(80% 0.15 200);
  --good:      oklch(78% 0.15 155);
  --warn:      oklch(80% 0.15 85);

  --mono: ui-monospace, "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --text-hero: clamp(2.6rem, 1.2rem + 5.2vw, 5.4rem);
  --text-h2:   clamp(1.7rem, 1rem + 2.4vw, 2.9rem);
  --space:     clamp(4rem, 3rem + 5vw, 9rem);
  --radius:    16px;
  --ease:      cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
/* atmosphere: layered radial glows + faint grain */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(60% 50% at 78% -5%, oklch(72% 0.18 295 / 0.18), transparent 70%),
    radial-gradient(45% 40% at 5% 8%, oklch(80% 0.15 200 / 0.12), transparent 70%),
    linear-gradient(180deg, var(--bg), var(--bg-2));
}
body::after {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: 0.035;
  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='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { width: min(1140px, 92vw); margin-inline: auto; }
.mono { font-family: var(--mono); }
.accent-text {
  background: linear-gradient(92deg, var(--accent-2), var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ---------- nav ---------- */
header.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: oklch(16% 0.012 264 / 0.72);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; gap: 2rem; height: 68px; }
.brand { display: flex; align-items: center; gap: 0.6rem; font-weight: 650; letter-spacing: -0.02em; font-size: 1.06rem; }
.brand .dot {
  width: 11px; height: 11px; border-radius: 3px;
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  box-shadow: 0 0 18px oklch(72% 0.18 295 / 0.7);
}
.nav-links { display: flex; gap: 1.6rem; margin-left: auto; align-items: center; }
.nav-links a { color: var(--muted); font-size: 0.93rem; transition: color 0.2s var(--ease); }
.nav-links a:hover { color: var(--text); }
.nav-links .btn { color: var(--bg); }
@media (max-width: 760px) { .nav-links a:not(.btn) { display: none; } }

/* ---------- buttons ---------- */
.btn {
  --b: var(--accent);
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-weight: 600; font-size: 0.95rem; padding: 0.7rem 1.25rem;
  border-radius: 10px; border: 1px solid transparent; cursor: pointer;
  background: linear-gradient(95deg, var(--accent-2), var(--accent));
  color: oklch(18% 0.02 264); transition: transform 0.18s var(--ease), box-shadow 0.25s var(--ease), filter 0.2s;
  box-shadow: 0 6px 26px oklch(72% 0.18 295 / 0.28);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 38px oklch(72% 0.18 295 / 0.42); }
.btn:active { transform: translateY(0); }
.btn.ghost {
  background: transparent; color: var(--text); border-color: var(--line-2); box-shadow: none;
}
.btn.ghost:hover { border-color: var(--accent); color: var(--text); box-shadow: 0 0 0 1px var(--accent); }
.btn.sm { padding: 0.5rem 0.95rem; font-size: 0.88rem; }

/* ---------- hero ---------- */
.hero { padding: clamp(3.5rem, 2rem + 7vw, 8rem) 0 var(--space); position: relative; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.55rem; font-family: var(--mono);
  font-size: 0.78rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--accent-2);
  border: 1px solid var(--line-2); padding: 0.35rem 0.8rem; border-radius: 100px;
  background: var(--surface); margin-bottom: 1.6rem;
}
.eyebrow .pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--good); box-shadow: 0 0 10px var(--good); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }
h1.hero-title { font-size: var(--text-hero); line-height: 0.98; letter-spacing: -0.035em; font-weight: 680; max-width: 16ch; }
.hero-sub { margin-top: 1.6rem; font-size: clamp(1.05rem, 0.95rem + 0.5vw, 1.3rem); color: var(--muted); max-width: 54ch; }
.hero-cta { margin-top: 2.4rem; display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; }
.hero-note { font-size: 0.85rem; color: var(--faint); font-family: var(--mono); }

.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
@media (max-width: 940px) { .hero-grid { grid-template-columns: 1fr; } }

/* code card */
.code-card {
  border: 1px solid var(--line-2); border-radius: var(--radius); overflow: hidden;
  background: oklch(13% 0.012 264 / 0.85); box-shadow: 0 30px 80px oklch(0% 0 0 / 0.5);
  backdrop-filter: blur(6px);
}
.code-head { display: flex; align-items: center; gap: 0.5rem; padding: 0.7rem 1rem; border-bottom: 1px solid var(--line); background: var(--surface); }
.code-head .tl { width: 11px; height: 11px; border-radius: 50%; background: var(--line-2); }
.code-head .label { margin-left: auto; font-family: var(--mono); font-size: 0.75rem; color: var(--faint); }
pre { margin: 0; padding: 1.15rem 1.25rem; overflow-x: auto; font-family: var(--mono); font-size: 0.82rem; line-height: 1.7; }
pre .k { color: var(--accent); } pre .s { color: var(--good); } pre .c { color: var(--faint); } pre .n { color: var(--accent-2); } pre .p { color: var(--muted); }

/* ---------- sections ---------- */
section { padding-block: var(--space); }
.sec-head { max-width: 60ch; margin-bottom: 3rem; }
.sec-head h2 { font-size: var(--text-h2); letter-spacing: -0.03em; line-height: 1.05; font-weight: 660; }
.sec-head p { color: var(--muted); margin-top: 1rem; font-size: 1.08rem; }
.kicker { font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.9rem; }

/* endpoint / feature bento */
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1.1rem; }
.card {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem;
  background: var(--surface); transition: border-color 0.25s var(--ease), transform 0.25s var(--ease), background 0.25s;
  position: relative; overflow: hidden;
}
.card:hover { border-color: var(--line-2); transform: translateY(-3px); background: var(--surface-2); }
.card .ep { font-family: var(--mono); font-size: 0.82rem; color: var(--accent-2); margin-bottom: 0.8rem; display: flex; gap: 0.5rem; align-items: center; }
.card .ep .verb { background: oklch(72% 0.18 295 / 0.18); color: var(--accent); padding: 0.1rem 0.5rem; border-radius: 6px; font-size: 0.72rem; letter-spacing: 0.03em; }
.card h3 { font-size: 1.18rem; letter-spacing: -0.01em; margin-bottom: 0.5rem; }
.card p { color: var(--muted); font-size: 0.95rem; }
.span-3 { grid-column: span 3; } .span-2 { grid-column: span 2; } .span-6 { grid-column: span 6; }
@media (max-width: 860px) { .bento { grid-template-columns: 1fr; } .span-3,.span-2,.span-6 { grid-column: auto; } }

.stat-row { display: flex; gap: 2.5rem; flex-wrap: wrap; margin-top: 1.5rem; }
.stat .num { font-size: 2.2rem; font-weight: 680; letter-spacing: -0.03em; }
.stat .lbl { color: var(--faint); font-size: 0.85rem; font-family: var(--mono); }

/* ---------- pricing ---------- */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.3rem; align-items: stretch; }
@media (max-width: 880px) { .price-grid { grid-template-columns: 1fr; } }
.plan {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem 1.8rem;
  background: var(--surface); display: flex; flex-direction: column; gap: 1.1rem; position: relative;
}
.plan.feature { border-color: var(--accent); background: linear-gradient(180deg, oklch(72% 0.18 295 / 0.08), var(--surface)); box-shadow: 0 20px 60px oklch(72% 0.18 295 / 0.18); }
.plan .badge { position: absolute; top: -11px; right: 1.5rem; font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.05em; text-transform: uppercase; background: linear-gradient(95deg, var(--accent-2), var(--accent)); color: var(--bg); padding: 0.25rem 0.7rem; border-radius: 100px; }
.plan .pname { font-family: var(--mono); font-size: 0.85rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.plan .pprice { font-size: 2.8rem; font-weight: 700; letter-spacing: -0.04em; line-height: 1; }
.plan .pprice small { font-size: 0.95rem; color: var(--faint); font-weight: 500; letter-spacing: 0; }
.plan ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 0.7rem; margin-top: 0.3rem; flex: 1; }
.plan li { display: flex; gap: 0.6rem; font-size: 0.93rem; color: var(--muted); }
.plan li::before { content: "→"; color: var(--accent); }
.plan .btn { justify-content: center; width: 100%; margin-top: auto; }

/* ---------- faq / steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; counter-reset: s; }
@media (max-width: 760px) { .steps { grid-template-columns: 1fr; } }
.step { border-left: 2px solid var(--line-2); padding: 0.4rem 0 0.4rem 1.3rem; position: relative; }
.step::before { counter-increment: s; content: "0" counter(s); font-family: var(--mono); color: var(--accent); font-size: 0.85rem; }
.step h4 { margin: 0.4rem 0; font-size: 1.1rem; }
.step p { color: var(--muted); font-size: 0.93rem; }

.faq details { border-bottom: 1px solid var(--line); padding: 1.2rem 0; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
.faq summary::after { content: "+"; color: var(--accent); font-size: 1.3rem; transition: transform 0.2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq p { color: var(--muted); margin-top: 0.8rem; font-size: 0.97rem; }

/* CTA band */
.cta-band { border: 1px solid var(--line-2); border-radius: 22px; padding: clamp(2.5rem, 2rem + 3vw, 4.5rem); text-align: center; background: radial-gradient(80% 120% at 50% 0%, oklch(72% 0.18 295 / 0.14), var(--surface)); }
.cta-band h2 { font-size: var(--text-h2); letter-spacing: -0.03em; }
.cta-band p { color: var(--muted); margin: 1rem auto 2rem; max-width: 48ch; }

/* ---------- legal/doc prose ---------- */
.prose { max-width: 78ch; }
.prose h1 { font-size: clamp(2rem, 1.4rem + 2.5vw, 3rem); letter-spacing: -0.03em; margin-bottom: 0.5rem; }
.prose .updated { color: var(--faint); font-family: var(--mono); font-size: 0.85rem; margin-bottom: 2.5rem; }
.prose h2 { font-size: 1.35rem; margin: 2.4rem 0 0.8rem; letter-spacing: -0.01em; }
.prose p, .prose li { color: var(--muted); margin-bottom: 0.9rem; }
.prose ul { padding-left: 1.2rem; }
.prose a { color: var(--accent-2); border-bottom: 1px solid var(--line-2); }
.prose code { font-family: var(--mono); background: var(--surface); padding: 0.1rem 0.4rem; border-radius: 5px; font-size: 0.88em; color: var(--accent-2); }
.prose table { width: 100%; border-collapse: collapse; margin: 1rem 0; }
.prose th, .prose td { text-align: left; padding: 0.6rem 0.8rem; border-bottom: 1px solid var(--line); font-size: 0.93rem; }
.prose th { color: var(--text); font-family: var(--mono); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; }

/* ---------- footer ---------- */
footer.ft { border-top: 1px solid var(--line); padding: 3.5rem 0 2.5rem; margin-top: var(--space); }
.ft-grid { display: flex; flex-wrap: wrap; gap: 2.5rem; justify-content: space-between; }
.ft-col h5 { font-family: var(--mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--faint); margin-bottom: 0.9rem; }
.ft-col a { display: block; color: var(--muted); font-size: 0.92rem; margin-bottom: 0.5rem; transition: color 0.2s; }
.ft-col a:hover { color: var(--text); }
.ft-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; margin-top: 3rem; padding-top: 1.8rem; border-top: 1px solid var(--line); color: var(--faint); font-size: 0.85rem; }
.ft-brand { max-width: 30ch; }
.ft-brand p { color: var(--faint); font-size: 0.9rem; margin-top: 0.8rem; }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; scroll-behavior: auto; } .reveal { opacity: 1; transform: none; transition: none; } }
/* JS kapalıysa içerik asla gizli kalmasın (erişilebilirlik + crawler güvenliği) */
@media (scripting: none) { .reveal { opacity: 1 !important; transform: none !important; } }

/* toast for checkout */
#toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(120%); background: var(--surface-2); border: 1px solid var(--line-2); color: var(--text); padding: 0.9rem 1.3rem; border-radius: 12px; backdrop-filter: blur(10px); transition: transform 0.4s var(--ease); z-index: 100; font-size: 0.92rem; max-width: 90vw; }
#toast.show { transform: translateX(-50%) translateY(0); }