/* ==========================================================================
   solanasdk.com — Devkit Pte. Ltd.
   Aesthetic: agent-first developer terminal. Near-black, acid lime, blueprint grid.
   ========================================================================== */

:root {
  --bg: #08090b;
  --bg-2: #0d0f12;
  --panel: #101317;
  --panel-2: #14181d;
  --edge: #1e242b;
  --edge-2: #2b333c;
  --fg: #e8edf2;
  --fg-dim: #8b959f;
  --fg-dimmer: #5a636c;
  --lime: #c6f24e;
  --lime-dim: #93b833;
  --cyan: #4ee0f2;
  --violet: #a78bfa;
  --amber: #f2b74e;

  --display: "Syne", "Helvetica Neue", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;

  --pad: clamp(1.15rem, 4vw, 4.5rem);
  --maxw: 1340px;
  --r: 4px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.62;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* blueprint grid + glow */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(198,242,78,.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(198,242,78,.045) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: radial-gradient(ellipse 120% 80% at 50% 0%, #000 20%, transparent 78%);
}
body::after {
  content: "";
  position: fixed; top: -30vh; left: 50%; transform: translateX(-50%);
  width: 1100px; height: 700px; z-index: 0; pointer-events: none;
  background: radial-gradient(ellipse at center, rgba(198,242,78,.13), transparent 66%);
  filter: blur(30px);
}
main, nav, footer { position: relative; z-index: 1; }

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
::selection { background: var(--lime); color: #0a0b0c; }

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin: 0;
  text-wrap: balance;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad); }

.tag {
  font-size: 0.66rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--lime); display: inline-flex; align-items: center; gap: 0.6rem;
}
.tag::before { content: "["; color: var(--fg-dimmer); }
.tag::after { content: "]"; color: var(--fg-dimmer); }

.rv { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); }
.rv.in { opacity: 1; transform: none; }

/* ===================== NAV ============================================== */
nav {
  position: sticky; top: 0; z-index: 900;
  background: rgba(8,9,11,.82);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--edge);
}
.nav-in {
  max-width: var(--maxw); margin: 0 auto; padding: 0.8rem var(--pad);
  display: flex; align-items: center; gap: 1.4rem;
}
.logo { display: flex; align-items: center; gap: 0.6rem; font-family: var(--display); font-weight: 800; font-size: 1.06rem; letter-spacing: -0.02em; }
.logo-mark {
  width: 26px; height: 26px; border: 1px solid var(--lime); border-radius: 3px;
  display: grid; place-items: center; color: var(--lime); font-size: 0.62rem; font-family: var(--mono);
  background: rgba(198,242,78,.07);
}
.nav-links { display: flex; gap: 1.5rem; margin-left: auto; font-size: 0.78rem; color: var(--fg-dim); }
.nav-links a:hover { color: var(--lime); }
.nav-links a::before { content: "/ "; color: var(--fg-dimmer); }

.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.06em;
  padding: 0.66rem 1.05rem; border-radius: var(--r);
  border: 1px solid var(--lime); background: var(--lime); color: #0a0b0c;
  font-weight: 500; cursor: pointer; white-space: nowrap;
  transition: box-shadow .25s ease, transform .25s ease, background .25s ease;
}
.btn:hover { box-shadow: 0 0 0 1px var(--lime), 0 6px 26px rgba(198,242,78,.32); transform: translateY(-1px); }
.btn.ghost { background: transparent; color: var(--fg); border-color: var(--edge-2); }
.btn.ghost:hover { border-color: var(--lime); color: var(--lime); box-shadow: none; }
@media (max-width: 940px) { .nav-links { display: none; } }

/* ===================== HERO ============================================= */
.hero { padding: clamp(3rem, 8vw, 6.5rem) 0 clamp(2.5rem, 6vw, 5rem); }
.hero-top { display: grid; grid-template-columns: 1.02fr 0.98fr; gap: clamp(2rem, 4vw, 3.4rem); align-items: center; }
.hero h1 { font-size: clamp(2.6rem, 6.2vw, 5.4rem); margin: 1.5rem 0 0; }
.hero h1 .lime { color: var(--lime); }
.hero h1 .out {
  -webkit-text-stroke: 1px var(--fg-dim); color: transparent;
}
.hero p.lede { color: var(--fg-dim); max-width: 54ch; margin: 1.6rem 0 0; font-size: 0.97rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 2rem; align-items: center; }

.install {
  display: flex; align-items: center; gap: 0.7rem;
  border: 1px solid var(--edge); border-radius: var(--r);
  background: var(--panel); padding: 0.6rem 0.8rem;
  font-size: 0.76rem; color: var(--fg-dim);
}
.install code { color: var(--lime); }
.install button {
  border: 0; background: transparent; color: var(--fg-dimmer);
  font-family: var(--mono); font-size: 0.66rem; cursor: pointer; padding: 0.15rem 0.3rem;
}
.install button:hover { color: var(--lime); }

.fu { opacity: 0; animation: fu .85s cubic-bezier(.2,.7,.2,1) forwards; }
@keyframes fu { from { opacity: 0; transform: translateY(20px) } to { opacity: 1; transform: none } }

/* terminal ---------------------------------------------------------------- */
.term {
  border: 1px solid var(--edge); border-radius: 6px; overflow: hidden;
  background: linear-gradient(180deg, var(--panel), var(--bg-2));
  box-shadow: 0 30px 70px -30px rgba(0,0,0,.9), 0 0 0 1px rgba(198,242,78,.05);
}
.term-bar {
  display: flex; align-items: center; gap: 0.55rem;
  padding: 0.6rem 0.85rem; border-bottom: 1px solid var(--edge);
  background: rgba(255,255,255,.02);
  font-size: 0.66rem; color: var(--fg-dimmer);
}
.term-bar i { width: 9px; height: 9px; border-radius: 50%; background: var(--edge-2); display: block; }
.term-bar i:first-child { background: #f2564e; }
.term-bar i:nth-child(2) { background: var(--amber); }
.term-bar i:nth-child(3) { background: var(--lime); }
.term-bar span { margin-left: auto; }
.term-body { padding: 1rem 1.05rem 1.2rem; font-size: 0.78rem; line-height: 1.75; min-height: 336px; }
.term-body .ln { white-space: pre-wrap; word-break: break-word; }
.pr { color: var(--lime); }
.cm { color: var(--fg-dimmer); }
.ok { color: var(--lime); }
.st { color: var(--cyan); }
.kw { color: var(--violet); }
.wn { color: var(--amber); }
.dim { color: var(--fg-dim); }
.cursor { display: inline-block; width: 7px; height: 1em; background: var(--lime); vertical-align: -2px; animation: bl 1s steps(2) infinite; }
@keyframes bl { 50% { opacity: 0 } }

@media (max-width: 960px) { .hero-top { grid-template-columns: 1fr; } }

/* logos strip ------------------------------------------------------------ */
.strip {
  margin-top: clamp(2.5rem, 6vw, 4rem);
  border-top: 1px solid var(--edge); border-bottom: 1px solid var(--edge);
  padding: 1.1rem 0; display: flex; overflow: hidden; gap: 0;
}
.strip-track {
  display: flex; gap: 2.6rem; flex-shrink: 0; padding-right: 2.6rem;
  font-size: 0.72rem; color: var(--fg-dim); letter-spacing: 0.12em; text-transform: uppercase;
  animation: sl 30s linear infinite; white-space: nowrap;
}
.strip-track b { color: var(--fg); font-weight: 500; }
@keyframes sl { to { transform: translateX(-100%) } }

/* ===================== SECTIONS ========================================= */
.sec { padding: clamp(3.5rem, 8vw, 7rem) 0; }
.sec-head { max-width: 62ch; margin-bottom: 3rem; }
.sec-head h2 { font-size: clamp(1.9rem, 4.2vw, 3.3rem); margin-top: 1.1rem; }
.sec-head p { color: var(--fg-dim); margin: 1.2rem 0 0; font-size: 0.95rem; }

/* before/after ------------------------------------------------------------ */
.ba { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.ba-card { border: 1px solid var(--edge); border-radius: 6px; background: var(--panel); overflow: hidden; }
.ba-card header {
  padding: 0.8rem 1rem; border-bottom: 1px solid var(--edge);
  font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase;
  display: flex; justify-content: space-between; align-items: center;
}
.ba-card.old header { color: #f2564e; background: rgba(242,86,78,.06); }
.ba-card.new header { color: var(--lime); background: rgba(198,242,78,.06); }
.ba-card ol { margin: 0; padding: 1.1rem 1.1rem 1.3rem 2.4rem; font-size: 0.83rem; color: var(--fg-dim); }
.ba-card li { margin-bottom: 0.5rem; }
.ba-card li::marker { color: var(--fg-dimmer); }
.ba-card.new li::marker { color: var(--lime-dim); }
.ba-foot { padding: 0.85rem 1rem; border-top: 1px solid var(--edge); font-size: 0.72rem; color: var(--fg-dimmer); }
@media (max-width: 860px) { .ba { grid-template-columns: 1fr; } }

/* capability grid -------------------------------------------------------- */
.caps { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1rem; }
.cap {
  border: 1px solid var(--edge); border-radius: 6px; background: var(--panel);
  padding: 1.5rem 1.4rem 1.6rem; position: relative; overflow: hidden;
  transition: border-color .3s ease, transform .3s ease, background .3s ease;
}
.cap::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), rgba(198,242,78,.09), transparent 62%);
  transition: opacity .3s ease;
}
.cap:hover { border-color: var(--edge-2); transform: translateY(-3px); }
.cap:hover::after { opacity: 1; }
.cap .num { font-size: 0.64rem; color: var(--lime); letter-spacing: 0.16em; }
.cap h3 { font-size: 1.18rem; margin: 0.9rem 0 0.55rem; }
.cap p { margin: 0; font-size: 0.86rem; color: var(--fg-dim); }
.c4 { grid-column: span 4; } .c6 { grid-column: span 6; } .c8 { grid-column: span 8; } .c12 { grid-column: span 12; }
.cap.hi { background: linear-gradient(150deg, rgba(198,242,78,.09), var(--panel) 58%); border-color: rgba(198,242,78,.28); }
@media (max-width: 980px) { .c4, .c6, .c8 { grid-column: span 12; } }

/* code compare ----------------------------------------------------------- */
.codewrap { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; align-items: stretch; }
.code {
  border: 1px solid var(--edge); border-radius: 6px; background: var(--bg-2); overflow: hidden;
  display: flex; flex-direction: column;
}
.code header {
  padding: 0.7rem 0.95rem; border-bottom: 1px solid var(--edge); font-size: 0.7rem;
  color: var(--fg-dimmer); display: flex; justify-content: space-between; background: rgba(255,255,255,.02);
}
.code pre { margin: 0; padding: 1.05rem; font-size: 0.76rem; line-height: 1.72; overflow-x: auto; flex: 1; }
.code pre code { font-family: var(--mono); }
@media (max-width: 900px) { .codewrap { grid-template-columns: 1fr; } }

/* tabs ------------------------------------------------------------------- */
.tabs { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-bottom: 1.1rem; }
.tab {
  font-family: var(--mono); font-size: 0.72rem; padding: 0.45rem 0.85rem;
  border: 1px solid var(--edge); border-radius: 999px; background: transparent;
  color: var(--fg-dim); cursor: pointer; transition: all .2s ease;
}
.tab:hover { color: var(--fg); border-color: var(--edge-2); }
.tab[aria-selected="true"] { background: var(--lime); color: #0a0b0c; border-color: var(--lime); }
.panel[hidden] { display: none; }

/* coverage --------------------------------------------------------------- */
.cover { display: flex; flex-wrap: wrap; gap: 0.55rem; }
.chip {
  border: 1px solid var(--edge); border-radius: 999px; padding: 0.5rem 0.95rem;
  font-size: 0.78rem; color: var(--fg-dim); background: var(--panel);
  transition: all .25s ease; cursor: default;
}
.chip:hover { border-color: var(--lime); color: var(--lime); transform: translateY(-2px); }
.chip small { color: var(--fg-dimmer); margin-left: 0.4rem; font-size: 0.66rem; }
.chip.soon { border-style: dashed; }

/* audience --------------------------------------------------------------- */
.aud { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--edge); border: 1px solid var(--edge); border-radius: 6px; overflow: hidden; }
.aud div { background: var(--panel); padding: 1.4rem 1.3rem; transition: background .3s ease; }
.aud div:hover { background: var(--panel-2); }
.aud h3 { font-size: 1.02rem; margin: 0 0 0.45rem; }
.aud p { margin: 0; font-size: 0.83rem; color: var(--fg-dim); }
.aud .ic { color: var(--lime); font-size: 0.62rem; letter-spacing: 0.14em; margin-bottom: 0.7rem; }
@media (max-width: 900px) { .aud { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .aud { grid-template-columns: 1fr; } }

/* pricing ---------------------------------------------------------------- */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.plan {
  border: 1px solid var(--edge); border-radius: 8px; background: var(--panel);
  padding: 1.7rem 1.5rem 1.8rem; display: flex; flex-direction: column;
}
.plan.mid { border-color: var(--lime); background: linear-gradient(170deg, rgba(198,242,78,.1), var(--panel) 52%); position: relative; }
.plan.mid::before {
  content: "MOST COMMON"; position: absolute; top: 0.9rem; right: 0.9rem;
  font-size: 0.56rem; letter-spacing: 0.16em; color: #0a0b0c; background: var(--lime);
  padding: 0.2rem 0.45rem; border-radius: 2px;
}
.plan .pname { font-family: var(--display); font-size: 1.2rem; font-weight: 700; }
.plan .price { font-family: var(--display); font-size: 2.3rem; font-weight: 800; letter-spacing: -0.04em; margin: 0.9rem 0 0.2rem; }
.plan .price small { font-family: var(--mono); font-size: 0.7rem; font-weight: 400; color: var(--fg-dim); letter-spacing: 0; }
.plan ul { list-style: none; margin: 1.2rem 0 1.6rem; padding: 0; font-size: 0.84rem; color: var(--fg-dim); flex: 1; }
.plan li { padding: 0.42rem 0; border-bottom: 1px dashed var(--edge); display: flex; gap: 0.6rem; }
.plan li::before { content: "▸"; color: var(--lime); }
@media (max-width: 900px) { .plans { grid-template-columns: 1fr; } }

/* faq -------------------------------------------------------------------- */
.faq { border-top: 1px solid var(--edge); }
.faq details { border-bottom: 1px solid var(--edge); }
.faq summary {
  cursor: pointer; list-style: none; padding: 1.2rem 0; font-family: var(--display);
  font-weight: 600; font-size: 1.05rem; display: flex; justify-content: space-between; gap: 1.2rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--lime); transition: transform .3s ease; font-family: var(--mono); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .a { padding: 0 0 1.3rem; color: var(--fg-dim); font-size: 0.88rem; max-width: 76ch; }

/* cta -------------------------------------------------------------------- */
.cta {
  border: 1px solid rgba(198,242,78,.26); border-radius: 10px;
  background: radial-gradient(120% 140% at 50% 0%, rgba(198,242,78,.13), var(--panel) 60%);
  padding: clamp(2.4rem, 6vw, 4.2rem); text-align: center;
}
.cta h2 { font-size: clamp(1.9rem, 4.6vw, 3.2rem); }
.cta p { color: var(--fg-dim); max-width: 52ch; margin: 1.2rem auto 2rem; }
.cta-actions { display: flex; gap: 0.7rem; justify-content: center; flex-wrap: wrap; }

/* footer ----------------------------------------------------------------- */
footer { border-top: 1px solid var(--edge); margin-top: clamp(3rem, 7vw, 5rem); padding-bottom: 2.2rem; font-size: 0.8rem; }
.fg { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1fr; gap: 2rem; padding: 3rem 0 2.4rem; }
.fg h4 { font-family: var(--mono); font-weight: 400; font-size: 0.62rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--lime); margin-bottom: 0.9rem; }
.fg ul { list-style: none; margin: 0; padding: 0; color: var(--fg-dim); }
.fg li { margin-bottom: 0.45rem; }
.fg a:hover { color: var(--lime); }
.fg p { color: var(--fg-dim); max-width: 36ch; }
.legal {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.8rem 2rem;
  border-top: 1px solid var(--edge); padding-top: 1.6rem; font-size: 0.7rem; color: var(--fg-dimmer);
}
.legal .co { color: var(--fg); }
@media (max-width: 880px) { .fg { grid-template-columns: 1fr 1fr; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001s !important; animation-iteration-count: 1 !important; transition-duration: .001s !important; }
  .rv { opacity: 1; transform: none; }
}