/* TERCUME
   Direction: void black + neon lime squid lock
   Type: Outfit + JetBrains Mono (OSMAKE-class production site)
   Signature: logo lockup + lime particle field */

:root {
  --green: #b0e010;
  --green-bright: #c8f830;
  --green-dim: #8bc40c;
  --green-deep: #409000;
  --green-soft: rgba(176, 224, 16, 0.08);
  --bg: #050505;
  --bg-2: #080808;
  --card: #0b0d0a;
  --card-border: #1c2614;
  --line: #222f16;
  --text: #f0f0f0;
  --muted: #8f8f8f;
  --muted-2: #636363;

  --fs-2xs: 0.6875rem;
  --fs-xs: 0.75rem;
  --fs-sm: 0.8125rem;
  --fs-md: 0.875rem;
  --fs-base: 0.9375rem;
  --fs-lg: 1.0625rem;
  --fs-xl: 1.25rem;
  --fs-2xl: 1.5rem;
  --fs-3xl: 1.875rem;
  --fs-4xl: 2.5rem;
  --fs-display: clamp(2.75rem, 6.2vw, 4.5rem);

  --lh-tight: 1.05;
  --lh-snug: 1.25;
  --lh-body: 1.55;
  --tracking-tight: -0.035em;
  --tracking-wide: 0.14em;

  --font-sans: "Outfit", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Consolas, monospace;

  --radius-sm: 0;
  --radius: 0;
  --radius-lg: 0;
  --radius-pill: 0;

  --header-h: 64px;
  --max: 1120px;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

@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;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  font-weight: 400;
  line-height: var(--lh-body);
  letter-spacing: 0.005em;
  overflow-x: hidden;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: 0;
  background: none;
  color: inherit;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 1000;
  background: var(--green);
  color: #000;
  padding: 0.55rem 0.9rem;
  font-size: var(--fs-sm);
  font-weight: 700;
}

.skip-link:focus {
  top: 1rem;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(5, 5, 5, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(34, 47, 22, 0.7);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  width: min(100% - 1.5rem, var(--max));
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: var(--fs-lg);
  letter-spacing: 0.02em;
  line-height: 1;
}

.brand-mark {
  width: 34px;
  height: 34px;
  overflow: hidden;
  flex-shrink: 0;
  border: 1px solid var(--green);
  background: #000;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-text span {
  color: var(--green);
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.15rem 1.35rem;
}

.nav a {
  color: #bdbdbd;
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: color 0.15s ease;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--green);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--green);
  color: var(--green) !important;
  font-weight: 600;
  font-size: var(--fs-sm);
}

.nav-cta:hover,
.nav-cta:focus-visible {
  background: var(--green);
  color: #000 !important;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--green);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 44px;
  padding: 0.7rem 1.2rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: var(--fs-md);
  letter-spacing: 0.01em;
  line-height: 1;
  border: 1px solid transparent;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--green);
  color: #000;
}

.btn-primary:hover {
  background: var(--green-bright);
}

.btn-secondary {
  background: transparent;
  color: var(--green);
  border-color: var(--green);
}

.btn-secondary:hover {
  background: var(--green-soft);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.02);
  border-color: var(--line);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--green-dim);
  color: var(--green);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  min-height: calc(100vh - var(--header-h));
  min-height: calc(100dvh - var(--header-h));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 0 4rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: #050505;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: -10%;
  background-image:
    linear-gradient(rgba(176, 224, 16, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(176, 224, 16, 0.07) 1px, transparent 1px);
  background-size: 28px 28px;
  background-position: center center;
  opacity: 0.55;
  transform: translate3d(0, 0, 0);
  will-change: transform;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, rgba(5, 5, 5, 0.35) 0%, transparent 18%, transparent 82%, rgba(5, 5, 5, 0.5) 100%),
    linear-gradient(to right, rgba(5, 5, 5, 0.25) 0%, transparent 15%, transparent 85%, rgba(5, 5, 5, 0.25) 100%);
  pointer-events: none;
}

.hero-particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.hero-main {
  position: relative;
  z-index: 1;
  width: min(100% - 2rem, var(--max));
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 52rem;
  width: 100%;
}

.hero-lockup {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.35rem;
}

.hero-logo-frame {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: clamp(88px, 12vw, 120px);
  height: clamp(88px, 12vw, 120px);
  border: 2px solid var(--green);
  background: #000;
  padding: 6px;
  box-sizing: border-box;
}

.hero-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.hero-titles {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.hero-titles h1 {
  margin: 0;
  font-size: clamp(3.75rem, 12vw, 7.5rem);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -0.045em;
  text-transform: uppercase;
}

.hero-titles h1 .accent {
  color: var(--green);
}

.hero-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(0.75rem, 1.6vw, 0.95rem);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #9a9a9a;
  line-height: 1.4;
}

.hero-kicker span {
  color: var(--green);
  font-weight: 600;
}

.hero-lead {
  margin: 1.25rem 0 0;
  max-width: 38ch;
  color: var(--muted);
  font-size: var(--fs-base);
  line-height: var(--lh-body);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 2.5rem;
}

/* ---------- Sections ---------- */
.section {
  padding: var(--space-8) 0;
}

.section-alt {
  background: #070807;
  border-block: 1px solid rgba(34, 47, 22, 0.45);
}

.section-head {
  max-width: 36rem;
  margin-bottom: var(--space-6);
}

.section-label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 0.65rem;
  line-height: 1.2;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(var(--fs-2xl), 3.2vw, var(--fs-3xl));
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: var(--lh-snug);
}

.section-head p {
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: var(--fs-base);
  line-height: var(--lh-body);
  max-width: 48ch;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.9rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  padding: 1.25rem 1.15rem;
  transition: border-color 0.15s ease;
}

.card:hover {
  border-color: rgba(176, 224, 16, 0.4);
}

.card-icon {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: var(--green-soft);
  border: 1px solid rgba(176, 224, 16, 0.22);
  color: var(--green);
  margin-bottom: 0.85rem;
}

.card-icon svg {
  width: 18px;
  height: 18px;
}

.card h3 {
  margin: 0 0 0.4rem;
  font-size: var(--fs-lg);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: var(--lh-snug);
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: var(--fs-md);
  line-height: var(--lh-body);
}

/* CLI */
.cli-layout {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 1.15rem;
  align-items: start;
}

.cli-list {
  display: grid;
  gap: 0.5rem;
}

.cli-item {
  width: 100%;
  text-align: left;
  padding: 0.85rem 0.95rem;
  border: 1px solid var(--card-border);
  background: var(--card);
  transition: border-color 0.15s ease, background 0.15s ease;
}

.cli-item:hover,
.cli-item:focus-visible,
.cli-item.is-active {
  border-color: rgba(176, 224, 16, 0.45);
  background: rgba(176, 224, 16, 0.04);
}

.cli-item code {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--green);
  margin-bottom: 0.2rem;
  line-height: 1.3;
}

.cli-item span {
  display: block;
  font-size: var(--fs-sm);
  color: var(--muted);
  line-height: 1.35;
}

.cli-panel {
  background: #070807;
  border: 1px solid #2f4a1c;
  overflow: hidden;
  min-height: 300px;
}

.cli-panel-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.9rem;
  border-bottom: 1px solid #1f2c16;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--green);
}

.copy-btn {
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: var(--fs-2xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.copy-btn:hover,
.copy-btn:focus-visible {
  color: var(--green);
  border-color: var(--green-dim);
}

.cli-panel pre {
  margin: 0;
  padding: 1rem 0.95rem 1.2rem;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: #cfcfcf;
  overflow-x: auto;
}

.cli-panel .prompt {
  color: var(--green);
}

.cli-panel .comment {
  color: #5f5f5f;
}

/* Network */
.network-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
}

.network-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  overflow: hidden;
}

.network-card header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.05rem;
  border-bottom: 1px solid var(--line);
  background: rgba(176, 224, 16, 0.025);
}

.network-card h3 {
  margin: 0;
  font-size: var(--fs-md);
  font-weight: 600;
}

.badge {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.22rem 0.5rem;
  border: 1px solid rgba(176, 224, 16, 0.35);
  color: var(--green);
  background: rgba(176, 224, 16, 0.08);
  line-height: 1;
}

.badge-muted {
  border-color: #3a3a3a;
  color: #aaa;
  background: rgba(255, 255, 255, 0.03);
}

.kv {
  display: grid;
}

.kv-row {
  display: grid;
  grid-template-columns: 118px 1fr;
  gap: 0.65rem;
  padding: 0.7rem 1.05rem;
  border-bottom: 1px solid rgba(34, 47, 22, 0.4);
  font-size: var(--fs-sm);
  align-items: baseline;
}

.kv-row:last-child {
  border-bottom: 0;
}

.kv-row dt {
  color: var(--muted-2);
  font-weight: 500;
  font-size: var(--fs-xs);
}

.kv-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: #d4d4d4;
  word-break: break-all;
  line-height: 1.45;
}

.kv-row a {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Steps */
.steps {
  display: grid;
  gap: 0.75rem;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  padding: 1.05rem 1.1rem;
  border: 1px solid var(--card-border);
  background: var(--card);
}

.step-num {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: 700;
  color: #000;
  background: var(--green);
}

.step h3 {
  margin: 0 0 0.25rem;
  font-size: var(--fs-base);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.step p {
  margin: 0;
  color: var(--muted);
  font-size: var(--fs-md);
  line-height: var(--lh-body);
}

.code-block {
  margin-top: 0.7rem;
  background: #050505;
  border: 1px solid #1f2c16;
  padding: 0.75rem 0.85rem;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: #d4d4d4;
  line-height: 1.55;
  overflow-x: auto;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  align-items: start;
}

/* Ecosystem */
.eco-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.7rem;
}

.eco-item {
  padding: 0.95rem;
  border: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.012);
}

.eco-item strong {
  display: block;
  color: var(--green);
  font-size: var(--fs-sm);
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.eco-item span {
  color: var(--muted);
  font-size: var(--fs-xs);
  line-height: 1.35;
}

/* CTA */
.cta-band {
  position: relative;
  padding: var(--space-8) 0;
  text-align: center;
  overflow: hidden;
  border-top: 1px solid rgba(34, 47, 22, 0.45);
}

.cta-glow {
  position: absolute;
  inset: 20% 20%;
  background: radial-gradient(circle, rgba(176, 224, 16, 0.12), transparent 70%);
  pointer-events: none;
}

.cta-band .container {
  position: relative;
  z-index: 1;
}

.cta-band h2 {
  margin: 0;
  font-size: clamp(var(--fs-2xl), 3.5vw, var(--fs-3xl));
  letter-spacing: -0.03em;
}

.cta-band p {
  margin: 0.85rem auto 0;
  max-width: 40ch;
  color: var(--muted);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(34, 47, 22, 0.55);
  padding: var(--space-7) 0 var(--space-5);
  background: #040404;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 1.5rem 2rem;
  margin-bottom: var(--space-6);
}

.footer-brand p {
  margin: 0.85rem 0 0;
  color: var(--muted-2);
  font-size: var(--fs-sm);
  max-width: 32ch;
  line-height: 1.5;
}

.footer-col h4 {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--green);
}

.footer-col a {
  display: block;
  color: var(--muted);
  font-size: var(--fs-sm);
  margin-bottom: 0.45rem;
}

.footer-col a:hover {
  color: var(--green);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(34, 47, 22, 0.45);
  font-size: var(--fs-xs);
  color: var(--muted-2);
}

.footer-bottom a:hover {
  color: var(--green);
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.6rem 0.9rem 0.9rem;
    background: rgba(5, 5, 5, 0.96);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(12px);
  }

  .site-header.is-open .nav {
    display: flex;
  }

  .nav a {
    padding: 0.75rem 0.4rem;
    border-bottom: 1px solid rgba(34, 47, 22, 0.4);
    font-size: var(--fs-md);
  }

  .nav-cta {
    margin-top: 0.45rem;
    justify-content: center;
  }

  .cli-layout,
  .network-grid,
  .split,
  .cards,
  .eco-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 2.5rem 0 3rem;
  }

  .cards {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(100% - 1.25rem, var(--max));
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    width: 100%;
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .kv-row {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }

  .footer-bottom {
    flex-direction: column;
  }
}