/* ============================================================
   lunchmoney-mcp — marketing site stylesheet
   Design language: warm charcoal + amber, terminal-native feel
   ============================================================ */

/* ── Custom properties ─────────────────────────────────────── */
:root {
  /* Base palette */
  --bg-base:       #141210;
  --bg-surface:    #1c1a18;
  --bg-raised:     #252220;
  --bg-overlay:    #2e2b27;

  /* Amber accent family */
  --amber-bright:  #d4a843;
  --amber-mid:     #b8922e;
  --amber-dim:     #8c6e21;
  --amber-subtle:  #3d3120;

  /* Text */
  --text-primary:  #f0ebe3;
  --text-secondary:#a89880;
  --text-muted:    #9e8e7a;
  --text-inverse:  #141210;

  /* Semantic */
  --success:       #6aaa6a;
  --success-bg:    #1a2e1a;
  --border:        #2e2b27;
  --border-strong: #3d3830;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui,
               "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "Fira Code", "JetBrains Mono",
               "Source Code Pro", Consolas, monospace;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --max-width: 1100px;
  --nav-height: 64px;

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration-fast: 150ms;
  --duration-base: 250ms;
  --duration-slow: 400ms;
}

/* ── Reset & base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  /* Page-depth: very subtle gradient from pure #141210 at top to #0e0d0b at bottom.
     Felt not seen — gives a sense of journey and depth as the user scrolls. */
  background-color: var(--bg-base);
  background-image:
    /* Warm grain texture */
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E"),
    /* Page-level depth progression — subtler than a section break */
    linear-gradient(
      to bottom,
      #141210 0%,
      #131210 25%,
      #111009 60%,
      #0e0d0b 100%
    );
}

img, svg { display: block; max-width: 100%; }
a { color: var(--amber-bright); text-decoration: none; }
a:hover { text-decoration: underline; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
ul, ol { list-style: none; }

:focus-visible {
  outline: 2px solid var(--amber-bright);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ── Utility classes ───────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.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;
}

.sr-only--focusable:focus,
.sr-only--focusable:focus-within {
  position: fixed;
  top: var(--space-3);
  left: var(--space-3);
  width: auto;
  height: auto;
  padding: var(--space-3) var(--space-5);
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
  border-radius: 6px;
  background: var(--amber-bright);
  color: var(--text-inverse);
  font-weight: 700;
  font-size: 0.9375rem;
  z-index: 9999;
  text-decoration: none;
  outline: 2px solid var(--text-inverse);
  outline-offset: 2px;
}

.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber-bright);
  background: var(--amber-subtle);
  padding: var(--space-1) var(--space-3);
  border-radius: 2px;
  margin-bottom: var(--space-4);
}

.section-heading {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.section-subheading {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 56ch;
  margin-top: var(--space-4);
  line-height: 1.65;
}

/* Scroll-reveal */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 60ms; }
.reveal-delay-2 { transition-delay: 120ms; }
.reveal-delay-3 { transition-delay: 180ms; }
.reveal-delay-4 { transition-delay: 240ms; }
.reveal-delay-5 { transition-delay: 300ms; }
.reveal-delay-6 { transition-delay: 360ms; }

/* ── Navigation ────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(20, 18, 16, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--border);
  box-shadow: 0 1px 0 rgba(212, 168, 67, 0.06);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav__logo {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  letter-spacing: -0.01em;
}

.nav__logo-mark {
  width: 28px;
  height: 28px;
  background: var(--amber-subtle);
  border: 1px solid var(--amber-dim);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--amber-bright);
  flex-shrink: 0;
}

.nav__links {
  display: none;
  gap: var(--space-6);
  align-items: center;
}

@media (min-width: 768px) {
  .nav__links { display: flex; }
}

.nav__link {
  font-size: 0.875rem;
  font-weight: 450;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--duration-fast);
  letter-spacing: 0.01em;
}
.nav__link:hover { color: var(--text-primary); text-decoration: none; }

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: background var(--duration-fast), color var(--duration-fast),
              box-shadow var(--duration-fast), border-color var(--duration-fast);
  letter-spacing: 0.01em;
  white-space: nowrap;
  min-height: 44px;
}

.btn--primary {
  background: var(--amber-bright);
  color: var(--text-inverse);
  border: 1px solid var(--amber-bright);
}
.btn--primary:hover {
  background: #e0b84e;
  border-color: #e0b84e;
  text-decoration: none;
  box-shadow: 0 0 0 3px rgba(212,168,67,0.18);
}

.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-strong);
}
.btn--ghost:hover {
  color: var(--text-primary);
  border-color: var(--text-muted);
  background: var(--bg-raised);
  text-decoration: none;
}

.btn--outline {
  background: transparent;
  color: var(--amber-bright);
  border: 1px solid var(--amber-dim);
}
.btn--outline:hover {
  background: var(--amber-subtle);
  border-color: var(--amber-bright);
  text-decoration: none;
}

.btn--lg {
  padding: var(--space-3) var(--space-8);
  font-size: 1rem;
  border-radius: 8px;
}

.nav__github {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  color: var(--text-secondary);
  border-radius: 6px;
  transition: color var(--duration-fast), background var(--duration-fast);
  flex-shrink: 0;
}
.nav__github:hover { color: var(--text-primary); background: var(--bg-raised); text-decoration: none; }

.nav__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  min-width: 44px;
  min-height: 44px;
  padding: var(--space-2);
  border-radius: 6px;
  transition: background var(--duration-fast);
}
@media (min-width: 768px) { .nav__hamburger { display: none; } }

.nav__hamburger:hover { background: var(--bg-raised); }

.hamburger-line {
  display: block;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: transform var(--duration-base) var(--ease-out),
              opacity var(--duration-base);
  transform-origin: center;
}

.nav__hamburger[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__hamburger[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}
.nav__hamburger[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.nav__mobile {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: rgba(20, 18, 16, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: var(--space-4) var(--space-6) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  z-index: 99;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-out);
}

.nav__mobile.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.nav__mobile .nav__link {
  font-size: 1rem;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--border);
}

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
  padding-top: calc(var(--nav-height) + var(--space-16));
  padding-bottom: var(--space-20);
  position: relative;
  overflow: hidden;
}

/* Warm ruled-line background — distinctive, not generic */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 47px,
      rgba(212,168,67,0.04) 47px,
      rgba(212,168,67,0.04) 48px
    );
  pointer-events: none;
}

/* Corner accent — single distinctive motif */
.hero::after {
  content: "";
  position: absolute;
  top: var(--nav-height);
  right: 0;
  width: min(480px, 50vw);
  height: min(480px, 50vw);
  background: radial-gradient(ellipse at 80% 20%, rgba(212,168,67,0.07) 0%, transparent 65%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: start;
}

@media (min-width: 900px) {
  .hero__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
  }
}

.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.hero__badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--amber-bright);
  background: var(--amber-subtle);
  border: 1px solid var(--amber-dim);
  padding: 2px 10px;
  border-radius: 99px;
}

.hero__badge-dot {
  width: 6px; height: 6px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse-dot 2.4s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.75); }
}

.hero__headline {
  font-size: clamp(2rem, 5.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: var(--space-5);
}

.hero__headline em {
  font-style: normal;
  color: var(--amber-bright);
}

.hero__sub {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 46ch;
  line-height: 1.7;
  margin-bottom: var(--space-8);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-10);
}

/* Stats ribbon */
.stats-ribbon {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

@media (min-width: 480px) {
  .stats-ribbon { grid-template-columns: repeat(4, 1fr); }
}

.stat-item {
  background: var(--bg-surface);
  padding: var(--space-4) var(--space-4);
  text-align: center;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--amber-bright);
  line-height: 1.2;
  display: block;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: var(--space-1);
  display: block;
}

/* Terminal */
.terminal {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  overflow: hidden;
  box-shadow:
    0 4px 6px rgba(0,0,0,0.3),
    0 12px 40px rgba(0,0,0,0.25),
    inset 0 1px 0 rgba(255,255,255,0.04);
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.terminal__titlebar {
  background: var(--bg-overlay);
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  border-bottom: 1px solid var(--border);
}

.terminal__dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.terminal__dot--red   { background: #ff5f57; }
.terminal__dot--amber { background: #febc2e; }
.terminal__dot--green { background: #28c840; }

.terminal__title {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-right: auto;
}

.terminal__body {
  padding: var(--space-5) var(--space-5);
  min-height: 200px;
  line-height: 1.7;
}

.terminal__line {
  display: block;
  white-space: pre;
  overflow-x: auto;
}

.t-prompt  { color: var(--amber-bright); }
.t-cmd     { color: var(--text-primary); }
.t-success { color: var(--success); }
.t-muted   { color: var(--text-muted); }
.t-output  { color: var(--text-secondary); }

/* Typing cursor */
.terminal__cursor {
  display: inline-block;
  width: 9px;
  height: 1.1em;
  background: var(--amber-bright);
  vertical-align: text-bottom;
  margin-left: 1px;
  animation: blink 1.1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ── Features ──────────────────────────────────────────────── */
.features {
  padding-block: var(--space-24);
  border-top: 1px solid var(--border);
}

.features__header {
  margin-bottom: var(--space-12);
}

.features__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 600px) {
  .features__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 960px) {
  .features__grid { grid-template-columns: repeat(3, 1fr); }
}

.feature-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: var(--space-6);
  position: relative;
  transition: border-color var(--duration-base), background var(--duration-base);
}

.feature-card:hover {
  border-color: var(--border-strong);
  background: var(--bg-raised);
}

/* Left amber accent bar — singular distinctive touch */
.feature-card::before {
  content: "";
  position: absolute;
  left: 0; top: 20%; bottom: 20%;
  width: 2px;
  background: var(--amber-dim);
  border-radius: 0 2px 2px 0;
  opacity: 0;
  transition: opacity var(--duration-base);
}
.feature-card:hover::before { opacity: 1; }

.feature-card__icon {
  width: 40px; height: 40px;
  background: var(--amber-subtle);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  color: var(--amber-bright);
  font-size: 1.125rem;
  font-family: var(--font-mono);
  font-weight: 700;
}

.feature-card__title {
  font-size: 1rem;
  font-weight: 650;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-2);
}

.feature-card__desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.feature-card__meta {
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--amber-bright);
  background: var(--amber-subtle);
  display: inline-block;
  padding: 2px 8px;
  border-radius: 3px;
}

/* ── Quick Start ───────────────────────────────────────────── */
.quickstart {
  padding-block: var(--space-24);
  border-top: 1px solid var(--border);
}

.quickstart__layout {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
  margin-top: var(--space-12);
}

.qs-pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: start;
}

@media (min-width: 900px) {
  .qs-pair { grid-template-columns: 1fr 2fr; gap: var(--space-8); }
}

.qs-step {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.qs-step__num {
  width: 28px; height: 28px;
  background: var(--amber-subtle);
  border: 1px solid var(--amber-dim);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--amber-bright);
  flex-shrink: 0;
  margin-top: 2px;
}

.qs-step__content h3 {
  font-size: 0.9375rem;
  font-weight: 650;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.qs-step__content p {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Code block */
.code-block {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: var(--space-4);
}

.code-block:last-child { margin-bottom: 0; }

.code-block__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-4);
  background: var(--bg-overlay);
  border-bottom: 1px solid var(--border);
}

.code-block__lang {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.copy-btn {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: transparent;
  transition: color var(--duration-fast), border-color var(--duration-fast),
              background var(--duration-fast);
}

.copy-btn:hover {
  color: var(--amber-bright);
  border-color: var(--amber-dim);
  background: var(--amber-subtle);
}

.copy-btn.copied {
  color: var(--success);
  border-color: var(--success-bg);
  background: var(--success-bg);
}

.code-block__body {
  padding: var(--space-5);
  overflow-x: auto;
}

.code-block__body pre {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--text-primary);
  white-space: pre;
}

/* CSS-only syntax highlighting */
.syn-comment { color: var(--text-muted); font-style: italic; }
.syn-keyword { color: #c792ea; }
.syn-string  { color: #c3e88d; }
.syn-number  { color: #f78c6c; }
.syn-prompt  { color: var(--amber-bright); font-weight: 600; }
.syn-flag    { color: #89ddff; }
.syn-path    { color: #c3e88d; }
.syn-section { color: var(--amber-bright); font-weight: 600; }

/* ── Tools Reference ───────────────────────────────────────── */
.tools {
  padding-block: var(--space-24);
  border-top: 1px solid var(--border);
}

.tools__header {
  margin-bottom: var(--space-10);
}

/* Tool count "data bar" — a relative-width fill at the tab bottom showing
   relative tool count per category. Uses --tool-fill set inline per button. */

.tool-tab::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  width: var(--tool-fill, 0%);
  background: var(--amber-dim);
  border-radius: 0 2px 0 0;
  transition: width var(--duration-slow) var(--ease-out),
              background var(--duration-fast);
}

.tool-tab.active::after {
  background: var(--amber-bright);
}

/* Total tool counter — animates up to 37 on scroll */
.tools__total-counter {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-2);
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.tools__total-counter strong {
  font-size: 2rem;
  font-weight: 800;
  color: var(--amber-bright);
  line-height: 1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

/* Tab interface */
.tools__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border);
}

.tool-tab {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: var(--space-2) var(--space-3);
  transition: color var(--duration-fast), border-color var(--duration-fast),
              background var(--duration-fast);
  cursor: pointer;
  letter-spacing: 0.02em;
  position: relative;
  overflow: hidden;
}

.tool-tab:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
  background: var(--bg-raised);
}

.tool-tab.active {
  color: var(--amber-bright);
  border-color: var(--amber-dim);
  background: var(--amber-subtle);
}

.tool-tab__count {
  display: inline-block;
  font-size: 0.6875rem;
  background: var(--bg-overlay);
  border-radius: 99px;
  padding: 0 5px;
  margin-left: 4px;
  color: var(--text-secondary);
  vertical-align: middle;
}
.tool-tab.active .tool-tab__count {
  background: var(--amber-bright);
  color: var(--bg-base);
}

.tools__panel {
  display: none;
}
.tools__panel.active {
  display: block;
  animation: panel-fade var(--duration-base) var(--ease-out);
}

@keyframes panel-fade {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.tools__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

@media (min-width: 600px) {
  .tools__list { grid-template-columns: repeat(2, 1fr); }
}

.tool-item {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: var(--space-4);
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  transition: border-color var(--duration-fast);
}

.tool-item:hover { border-color: var(--border-strong); }

.tool-item__icon {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--amber-bright);
  background: var(--amber-subtle);
  padding: 3px 6px;
  border-radius: 3px;
  flex-shrink: 0;
  margin-top: 2px;
  letter-spacing: 0.02em;
}

.tool-item__name {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.tool-item__desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ── Deployment ────────────────────────────────────────────── */
.deployment {
  padding-block: var(--space-24);
  border-top: 1px solid var(--border);
}

.deployment__header {
  margin-bottom: var(--space-12);
}

.deploy-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 600px) {
  .deploy-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 960px) {
  .deploy-grid { grid-template-columns: repeat(3, 1fr); }
}

/* Give Docker card full width on medium to emphasize it */
.deploy-card--featured {
  grid-column: 1 / -1;
}

@media (min-width: 960px) {
  .deploy-card--featured { grid-column: span 1; }
}

.deploy-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--duration-base);
}

.deploy-card:hover { border-color: var(--border-strong); }

.deploy-card__header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.deploy-card__icon {
  font-size: 1.25rem;
  width: 36px;
  text-align: center;
}

.deploy-card__title {
  font-size: 0.9375rem;
  font-weight: 650;
  color: var(--text-primary);
}

.deploy-card__subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 1px;
}

.deploy-card__body {
  padding: var(--space-4) var(--space-5);
  flex: 1;
}

.deploy-card__desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
  line-height: 1.6;
}

.deploy-card__code {
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.65;
  white-space: pre;
  overflow-x: auto;
}

.deploy-card__footer {
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--border);
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* ── Security — full-bleed dark beat ──────────────────────── */
.security {
  padding-block: var(--space-24);
  /* Full-bleed dark: extends to viewport edges past content container */
  background: #0e0d0b;
  /* Architectural top-border accent */
  border-top: 2px solid var(--amber-dim);
  /* Edge-to-edge shadow to reinforce the "beat" */
  box-shadow:
    0 -1px 0 0 rgba(212, 168, 67, 0.08),
    0  1px 0 0 rgba(0,0,0,0.5);
  /* Subtle ruled-line echo from hero — ties the section to the brand language */
  position: relative;
  overflow: hidden;
}

.security::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 99px,
      rgba(212,168,67,0.025) 99px,
      rgba(212,168,67,0.025) 100px
    );
  pointer-events: none;
}

.security__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
}

@media (min-width: 900px) {
  .security__layout { grid-template-columns: 1fr 1fr; gap: var(--space-16); }
}

/* Two-tier diagram */
.sec-diagram {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.sec-tier {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: var(--space-5);
  position: relative;
}

.sec-tier--primary {
  border-color: var(--amber-dim);
  background: linear-gradient(135deg, var(--bg-surface) 0%, rgba(61,49,32,0.4) 100%);
}

.sec-tier__badge {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber-bright);
  background: var(--amber-subtle);
  padding: 2px 8px;
  border-radius: 3px;
  margin-bottom: var(--space-3);
  display: inline-block;
}

.sec-tier__title {
  font-size: 1rem;
  font-weight: 650;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.sec-tier__desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-3);
  line-height: 1.6;
}

.sec-tier__items {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.sec-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: var(--bg-overlay);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 4px;
}

.sec-connector {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.sec-connector__line {
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* Threat model table */
.threat-table-wrap {
  overflow-x: auto;
}

.threat-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.threat-table th {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  border-bottom: 2px solid var(--amber-dim);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  background: var(--bg-surface);
}

.threat-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  vertical-align: top;
  line-height: 1.5;
}

.threat-table tr:last-child td { border-bottom: none; }
.threat-table tr:hover td { background: var(--bg-surface); }

.threat-table td:first-child {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-primary);
  white-space: nowrap;
}

.threat-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.threat-badge--mitigated {
  color: var(--success);
  background: var(--success-bg);
}
.threat-badge--design {
  color: var(--amber-bright);
  background: var(--amber-subtle);
}

/* Mobile card layout for threat tables */
@media (max-width: 599px) {
  .threat-table,
  .threat-table thead,
  .threat-table tbody,
  .threat-table tr,
  .threat-table th,
  .threat-table td {
    display: block;
  }

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

  .threat-table tr {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: var(--space-3);
    padding: var(--space-3);
  }

  .threat-table tr:last-child { margin-bottom: 0; }

  .threat-table td {
    border-bottom: none;
    padding: var(--space-2) 0;
    white-space: normal;
  }

  .threat-table td:first-child {
    white-space: normal;
  }

  .threat-table tr:hover td {
    background: transparent;
  }

  .threat-table td::before {
    content: attr(data-label);
    display: block;
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: var(--space-1);
  }
}

/* ── Footer — inverted amber tint, gives page visual bookend ── */
.footer {
  /* Warm amber-tinted background — bookends the dark hero */
  background: #1a1710;
  border-top: 1px solid rgba(212, 168, 67, 0.2);
  padding-block: var(--space-10);
  margin-top: 0;
  position: relative;
}

/* Subtle amber glow along the top edge */
.footer::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(212,168,67,0.4) 30%,
    rgba(212,168,67,0.6) 50%,
    rgba(212,168,67,0.4) 70%,
    transparent 100%
  );
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: start;
}

@media (min-width: 600px) {
  .footer__inner { grid-template-columns: 1fr auto; align-items: center; }
}

.footer__brand {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--amber-bright);
  margin-bottom: var(--space-2);
}

.footer__credit {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.footer__credit a { color: var(--amber-bright); }
.footer__credit a:hover { color: #e0b84e; }

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
}

.footer__link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--duration-fast);
}
.footer__link:hover { color: var(--amber-bright); text-decoration: none; }

.footer__divider {
  color: rgba(212,168,67,0.3);
}

.footer__license {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--amber-mid);
  border: 1px solid rgba(212,168,67,0.25);
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(212,168,67,0.06);
}

/* ── Badge utility ─────────────────────────────────────────── */
.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 3px;
}
.badge--amber {
  color: var(--amber-bright);
  background: var(--amber-subtle);
}
.badge--success {
  color: var(--success);
  background: var(--success-bg);
}
.badge--muted {
  color: var(--text-muted);
  background: var(--bg-overlay);
  border: 1px solid var(--border);
}

/* ── Why section ───────────────────────────────────────────── */
.why {
  padding-block: var(--space-20);
  border-top: 1px solid var(--border);
}

.why__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: center;
}

@media (min-width: 900px) {
  .why__inner {
    grid-template-columns: 2fr 3fr;
    gap: var(--space-16);
  }
}

.why__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber-bright);
  margin-bottom: var(--space-4);
  display: block;
}

.why__heading {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: var(--space-5);
}

.why__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.why__body p {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

.why__body p strong {
  color: var(--text-primary);
  font-weight: 600;
}

.why__pull {
  border-left: 3px solid var(--amber-dim);
  padding-left: var(--space-5);
  font-size: 1.125rem;
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.65;
}

/* ── Interactive Try-it section ────────────────────────────── */
.tryit {
  padding-block: var(--space-24);
  border-top: 1px solid var(--border);
}

.tryit__header {
  margin-bottom: var(--space-10);
}

.tryit__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 900px) {
  .tryit__layout {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

/* Scenario selector tabs */
.tryit__scenarios {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.scenario-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-1);
  padding: var(--space-4) var(--space-5);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  text-align: left;
  transition: border-color var(--duration-fast), background var(--duration-fast);
  width: 100%;
  position: relative;
}

.scenario-btn:hover {
  border-color: var(--border-strong);
  background: var(--bg-raised);
}

.scenario-btn.active {
  border-color: var(--amber-dim);
  background: linear-gradient(135deg, var(--bg-surface) 0%, rgba(61,49,32,0.35) 100%);
}

.scenario-btn.active::before {
  content: "";
  position: absolute;
  left: 0; top: 20%; bottom: 20%;
  width: 3px;
  background: var(--amber-bright);
  border-radius: 0 3px 3px 0;
}

.scenario-btn__title {
  font-size: 0.9375rem;
  font-weight: 650;
  color: var(--text-primary);
  font-family: var(--font-sans);
}

.scenario-btn__desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  font-family: var(--font-sans);
}

/* Output panel */
.tryit__output {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.tryit__output-header {
  background: var(--bg-overlay);
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  border-bottom: 1px solid var(--border);
}

.tryit__output-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--amber-dim);
}

.tryit__output-label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.tryit__scenario {
  display: none;
}

.tryit__scenario.active {
  display: block;
  animation: panel-fade var(--duration-base) var(--ease-out);
}

.tryit__call,
.tryit__response {
  padding: var(--space-4) var(--space-5);
}

.tryit__call {
  border-bottom: 1px solid var(--border);
}

.tryit__call-label,
.tryit__response-label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
  display: block;
}

.tryit__call-label { color: var(--amber-bright); }
.tryit__response-label { color: var(--success); }

.tryit__call pre,
.tryit__response pre {
  line-height: 1.65;
  color: var(--text-primary);
  white-space: pre;
  overflow-x: auto;
}

.tryit__response pre {
  color: var(--text-secondary);
}

.tryit__param { color: #89ddff; }
.tryit__value { color: #c3e88d; }
.tryit__key   { color: #c792ea; }
.tryit__num   { color: #f78c6c; }
.tryit__bool  { color: #f78c6c; }

/* ── Features grid — "37 Tools" featured card ──────────────── */
.feature-card--featured {
  background: linear-gradient(135deg, var(--bg-surface) 0%, rgba(61,49,32,0.5) 100%);
  border-color: var(--amber-dim);
}

@media (min-width: 600px) {
  .features__grid .feature-card--featured {
    grid-column: span 2;
  }
}

@media (min-width: 960px) {
  .features__grid .feature-card--featured {
    grid-column: span 1;
  }
}

.feature-card--featured .feature-card__icon {
  width: 52px;
  height: 52px;
  font-size: 1.375rem;
  background: var(--amber-dim);
  color: var(--text-inverse);
}

/* tool-item parameter hint */
.tool-item__param {
  margin-top: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--amber-bright);
  background: var(--amber-subtle);
  display: inline-block;
  padding: 2px 8px;
  border-radius: 3px;
}

/* ── Section spacing helper ────────────────────────────────── */
section { scroll-margin-top: var(--nav-height); }