/* ==========================================================================
   Mynah quickstart — design tokens
   Bright developer-landing: clean white base, one electric blue→cyan
   gradient accent, near-black terminal blocks.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  /* Page */
  --bg: #ffffff;
  --bg-tint: #f2f7fd;
  --ink: #0b1220;
  --ink-soft: #44506b;
  --ink-faint: #6a7690;
  --line: #e2e9f5;
  --line-soft: #ecf1fa;

  /* The one gradient accent */
  --accent: #2e5bff;
  --accent-2: #00d4ff;
  --grad: linear-gradient(92deg, #2e5bff, #00d4ff);

  /* Terminal */
  --term-bg: #0a101f;
  --term-chrome: #111a30;
  --term-border: #1d2946;
  --term-text: #e8eefb;
  --term-muted: #8fa3c8;
  --term-faint: #5d6c8c;
  --term-cyan: #46e2ff;
  --term-green: #7ce7a6;
  --term-red: #ff9494;
  --term-violet: #b7a9ff;
  --term-blue: #9db8ff;

  /* Type */
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;

  --radius: 14px;
  --shadow-panel: 0 24px 60px -24px rgba(23, 58, 146, 0.25);
}

/* ==========================================================================
   Base
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 24px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* The gradient hero rule across the very top of the page. */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--grad);
  z-index: 60;
}

::selection {
  background: rgba(0, 212, 255, 0.28);
}

h1,
h2,
h3,
p {
  margin: 0;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 32px;
}

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

.skip-link {
  position: absolute;
  top: -48px;
  left: 12px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--ink);
  color: #fff;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: top 0.15s ease;
}

.skip-link:focus-visible {
  top: 10px;
}

.ext-mark {
  display: inline-block;
  margin-left: 0.3em;
  font-size: 0.82em;
  transform: translateY(-0.08em);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.98rem;
  text-decoration: none;
  transition: transform 0.12s ease, box-shadow 0.12s ease, border-color 0.12s ease;
}

.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 10px 24px -12px rgba(46, 91, 255, 0.65);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px -12px rgba(46, 91, 255, 0.75);
}

.btn-ghost {
  border: 1.5px solid var(--line);
  color: var(--ink);
  background: #fff;
}

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

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  border-bottom: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.92);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
}

.brand-mark svg {
  display: block;
}

.brand-name {
  font-weight: 800;
  font-size: 1.16rem;
  letter-spacing: -0.02em;
}

.brand-version {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  background: var(--bg-tint);
  border-radius: 999px;
  padding: 2px 8px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--ink-soft);
  text-decoration: none;
}

.nav-link:hover {
  color: var(--ink);
}

.nav-github {
  border: 1.5px solid var(--line);
  border-radius: 10px;
  padding: 7px 14px;
  color: var(--ink);
}

.nav-github:hover {
  border-color: var(--ink);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  background:
    radial-gradient(1100px 480px at 88% -12%, rgba(0, 212, 255, 0.11), transparent 62%),
    radial-gradient(900px 420px at 4% 112%, rgba(46, 91, 255, 0.07), transparent 60%);
  padding: 64px 0 88px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  gap: 56px;
  align-items: start;
}

.kicker {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  gap: 10px;
}

.kicker::before {
  content: '';
  width: 9px;
  height: 9px;
  border-radius: 3px;
  background: var(--grad);
  flex: none;
}

.headline {
  margin-top: 18px;
  font-size: clamp(2.35rem, 4.5vw, 3.55rem);
  font-weight: 800;
  letter-spacing: -0.032em;
  line-height: 1.04;
}

.one-liner {
  margin-top: 20px;
  font-size: 1.13rem;
  color: var(--ink-soft);
  max-width: 34em;
}

.hero-install {
  margin-top: 32px;
  max-width: 460px;
}

.hero-install-lead {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 8px;
}

.hero-ctas {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ==========================================================================
   Result panel — "in five minutes you'll have"
   ========================================================================== */

.result-panel {
  border: 1px solid transparent;
  border-radius: 18px;
  background:
    linear-gradient(#fff, #fff) padding-box,
    var(--grad) border-box;
  box-shadow: var(--shadow-panel);
  padding: 26px 26px 20px;
}

.result-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  width: fit-content;
}

.result-title {
  margin-top: 8px;
  font-size: 1.42rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.result-panel .terminal {
  margin-top: 16px;
}

.result-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 13px;
}

.result-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.result-check {
  flex: none;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border-radius: 7px;
  background: rgba(0, 212, 255, 0.14);
  color: #0879d8;
  font-size: 0.78rem;
  font-weight: 800;
  display: grid;
  place-items: center;
}

.result-item-title {
  font-weight: 700;
  font-size: 0.96rem;
  letter-spacing: -0.01em;
}

.result-item-detail {
  margin-top: 2px;
  font-size: 0.875rem;
  color: var(--ink-soft);
  line-height: 1.5;
}

/* ==========================================================================
   Terminal illustration (typographic)
   ========================================================================== */

.terminal {
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--term-border);
  background: var(--term-bg);
}

.terminal-chrome {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 14px;
  background: var(--term-chrome);
  border-bottom: 1px solid var(--term-border);
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #26335a;
}

.terminal-dot-accent {
  background: var(--grad);
}

.terminal-title {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--term-faint);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.terminal-screen {
  margin: 0;
  padding: 16px 18px;
  font-family: var(--font-mono);
  font-size: 0.775rem;
  line-height: 1.85;
  color: var(--term-text);
  overflow-x: auto;
}

.tline-cmd {
  color: var(--term-text);
  font-weight: 600;
}

.tline-cmd::before {
  content: '$ ';
  color: var(--term-cyan);
  font-weight: 600;
}

.tline-info {
  color: var(--term-muted);
}

.tline-ok {
  color: var(--term-green);
}

.tline-err {
  color: var(--term-red);
}

.tline-muted {
  color: var(--term-faint);
  font-style: italic;
}

/* ==========================================================================
   Command blocks (copyable)
   ========================================================================== */

.term-block {
  position: relative;
  background: var(--term-bg);
  border: 1px solid var(--term-border);
  border-radius: 12px;
}

.term-pre {
  margin: 0;
  padding: 15px 96px 15px 18px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--term-text);
}

.term-pre ::selection {
  background: rgba(70, 226, 255, 0.3);
}

.term-code::before {
  content: '$ ';
  color: var(--term-cyan);
  font-weight: 600;
  user-select: none;
}

.tok-bin {
  color: var(--term-cyan);
  font-weight: 500;
}

.tok-flag {
  color: var(--term-muted);
}

.tok-env {
  color: var(--term-violet);
}

.tok-url {
  color: var(--term-blue);
}

.tok-op {
  color: var(--term-faint);
}

.tok-str {
  color: var(--term-green);
}

.term-output {
  color: var(--term-muted);
}

.copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  appearance: none;
  border: 1px solid #2a3a63;
  background: #131d38;
  color: #bcc9e6;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}

.copy-btn:hover {
  background: #1b2848;
  border-color: #3a4d80;
  color: #e8eefb;
}

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

.copy-btn.copied {
  border-color: var(--term-cyan);
  color: var(--term-cyan);
}

/* ==========================================================================
   Sections
   ========================================================================== */

.section {
  padding: 92px 0;
}

.section-head {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 44px;
}

.section-heading {
  font-size: clamp(1.75rem, 3vw, 2.3rem);
  font-weight: 800;
  letter-spacing: -0.025em;
}

.section-sub {
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

/* ==========================================================================
   Install tabs
   ========================================================================== */

.section-install {
  background: var(--bg-tint);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.install-tabs {
  max-width: 760px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 10px 26px 26px;
}

/* Without JavaScript the methods stack with visible labels. */
.install-method {
  padding-top: 18px;
}

.install-method + .install-method {
  margin-top: 22px;
  border-top: 1px solid var(--line-soft);
}

.install-method-label {
  display: inline-block;
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  background: var(--bg-tint);
  border-radius: 999px;
  padding: 3px 12px;
}

.install-note {
  margin-top: 12px;
  font-size: 0.9rem;
  color: var(--ink-faint);
}

/* With JavaScript the group becomes a tablist. */
.tablist {
  display: flex;
  gap: 4px;
  margin: 0 -26px;
  padding: 0 18px;
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
}

.tab {
  appearance: none;
  background: none;
  border: 0;
  position: relative;
  padding: 13px 16px;
  font-family: var(--font-sans);
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--ink-soft);
  cursor: pointer;
  white-space: nowrap;
}

.tab:hover {
  color: var(--ink);
}

.tab::after {
  content: '';
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: -1px;
  height: 3px;
  border-radius: 3px 3px 0 0;
  background: transparent;
}

.tab[aria-selected='true'] {
  color: var(--ink);
}

.tab[aria-selected='true']::after {
  background: var(--grad);
}

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

.tabs-active .install-method {
  padding-top: 22px;
}

.tabs-active .install-method + .install-method {
  margin-top: 0;
  border-top: 0;
}

.tabs-active .install-method-label {
  display: none;
}

.install-verify {
  max-width: 760px;
  margin: 26px auto 0;
}

.install-verify-lead {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 8px;
}

/* ==========================================================================
   Quickstart steps
   ========================================================================== */

.steps {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 820px;
}

.step {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 22px;
  padding-bottom: 44px;
}

.step:last-child {
  padding-bottom: 0;
}

.step:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 22px;
  top: 54px;
  bottom: 6px;
  width: 2px;
  background: var(--line);
}

.step-num {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1.5px solid var(--line);
  background: #fff;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 1.02rem;
  font-weight: 600;
  display: grid;
  place-items: center;
}

.step-title {
  font-size: 1.16rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 10px 0 14px;
}

.step-explanation {
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 0.96rem;
  max-width: 40em;
}

/* ==========================================================================
   FAQ
   ========================================================================== */

.faq-container {
  max-width: 760px;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 19px 2px;
  font-weight: 700;
  font-size: 1.04rem;
  letter-spacing: -0.01em;
  cursor: pointer;
  list-style: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question:hover {
  color: #1d2c52;
}

.faq-marker {
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--bg-tint);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 1rem;
  display: grid;
  place-items: center;
  transition: transform 0.15s ease;
}

.faq-item[open] .faq-marker {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 44px 20px 2px;
  color: var(--ink-soft);
  font-size: 0.97rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  margin-top: 4px;
  background: var(--term-bg);
  color: #c7d3ec;
}

.site-footer::before {
  content: '';
  display: block;
  height: 3px;
  background: var(--grad);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding-top: 52px;
  padding-bottom: 40px;
}

.footer-name {
  font-weight: 800;
  font-size: 1.2rem;
  color: #fff;
}

.footer-blurb {
  margin-top: 10px;
  max-width: 44ch;
  font-size: 0.93rem;
  color: var(--term-muted);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  color: #dbe4f5;
  font-weight: 600;
  font-size: 0.94rem;
  text-decoration: none;
  width: fit-content;
}

.footer-link:hover {
  color: var(--term-cyan);
}

.footer-link:focus-visible {
  outline-color: var(--term-cyan);
}

.footer-fine {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 24px;
  border-top: 1px solid var(--term-border);
  padding-top: 20px;
  padding-bottom: 26px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--term-faint);
}

/* ==========================================================================
   404
   ========================================================================== */

.not-found {
  padding: 72px 0 110px;
}

.not-found-inner {
  max-width: 620px;
  margin: 0 auto;
  text-align: center;
}

.not-found-inner .terminal {
  text-align: left;
  margin-bottom: 34px;
}

.not-found-title {
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.not-found-message {
  margin: 16px auto 28px;
  color: var(--ink-soft);
  max-width: 40em;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1020px) {
  .hero {
    padding: 48px 0 72px;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 44px;
  }

  .result-panel {
    max-width: 620px;
  }

  .hero-install {
    max-width: 520px;
  }
}

@media (max-width: 760px) {
  .container {
    padding: 0 20px;
  }

  .site-nav .nav-link:not(.nav-github) {
    display: none;
  }

  .section {
    padding: 64px 0;
  }

  .section-head {
    margin-bottom: 32px;
  }

  .hero {
    padding: 40px 0 60px;
  }

  .one-liner {
    font-size: 1.04rem;
  }

  .install-tabs {
    padding: 8px 18px 20px;
  }

  .tablist {
    margin: 0 -18px;
    padding: 0 10px;
  }

  .step {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 16px;
    padding-bottom: 36px;
  }

  .step-num {
    width: 36px;
    height: 36px;
    font-size: 0.88rem;
  }

  .step:not(:last-child)::before {
    left: 17px;
    top: 44px;
  }

  .step-title {
    margin-top: 5px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 28px;
    padding-top: 40px;
  }
}

@media (max-width: 400px) {
  .container {
    padding: 0 16px;
  }

  .brand-version {
    display: none;
  }

  .headline {
    font-size: 2.05rem;
  }

  .term-pre {
    padding: 13px 16px 42px;
    font-size: 0.8rem;
  }

  .copy-btn {
    top: auto;
    bottom: 8px;
  }

  .terminal-screen {
    font-size: 0.62rem;
  }

  .result-panel {
    padding: 20px 18px 16px;
  }

  .hero-ctas .btn {
    width: 100%;
    text-align: center;
  }

  .faq-answer {
    padding-right: 8px;
  }
}

@media (max-width: 350px) {
  .terminal-screen {
    font-size: 0.54rem;
  }
}