/* PatchVex — design system v1 (Phase 1: tokens + typography) */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { overflow-x: hidden; }

/* ─── Design tokens ─────────────────────────────────────────────────────────── */
:root {
  /* Backgrounds */
  --bg-base:     #08090a;
  --bg-surface:  #0d0f14;
  --bg-elevated: #13161e;
  --bg-subtle:   #1a1d26;

  /* Borders */
  --border-default: #1e2229;
  --border-subtle:  #161920;
  --border-strong:  #2d3140;

  /* Text */
  --text-primary:   #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted:     #64748b;
  --text-disabled:  #334155;

  /* Brand accent — sky blue */
  --accent:        #38bdf8;
  --accent-dim:    #0c2233;
  --accent-border: #1e4060;

  /* Semantic — success */
  --success:     #22c55e;
  --success-dim: #052e0f;

  /* Semantic — warning */
  --warning:     #f59e0b;
  --warning-dim: #2c1e04;

  /* Semantic — danger */
  --danger:     #ef4444;
  --danger-dim: #2c0707;

  /* Typography */
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'SFMono-Regular',
          Consolas, monospace;

  /* Spacing (4px base) */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  20px;
  --space-6:  24px;
  --space-8:  32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* Border radius */
  --radius-sm:   4px;
  --radius-md:   6px;
  --radius-lg:   10px;
  --radius-xl:   14px;
  --radius-full: 9999px;

  /* Shadow */
  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.5),
                 inset 0 1px 0 rgba(255, 255, 255, 0.03);

  /* Motion */
  --duration-fast: 120ms;
  --duration-base: 200ms;
  --duration-slow: 350ms;
  --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ─── Base ───────────────────────────────────────────────────────────────────── */

body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font);
  line-height: 1.65;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ─── Skip link ──────────────────────────────────────────────────────────────── */

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 9999;
  padding: var(--space-3) var(--space-5);
  background: var(--accent);
  color: var(--bg-base);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: top 0s;
}
.skip-link:focus { top: var(--space-4); }

/* ─── Shared buttons + CTAs ──────────────────────────────────────────────────── */

h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 600;
  line-height: 1.15;
  margin-bottom: 1.2rem;
  letter-spacing: -0.025em;
}
h1 em { color: var(--accent); font-style: normal; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 500;
  transition: opacity var(--duration-fast);
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { opacity: 0.85; text-decoration: none; }
.btn-primary  { background: var(--accent); color: var(--bg-base); font-weight: 600; }
.btn-secondary { background: transparent; color: var(--text-primary); border: 0.5px solid var(--border-strong); }

/* ─── Terminal ───────────────────────────────────────────────────────────────── */

.terminal-wrap { max-width: 760px; margin: 3rem auto; padding: 0 2rem; }

.terminal {
  background: #060709;
  border: 0.5px solid var(--border-default);
  border-radius: var(--radius-xl);
  overflow: hidden;
  font-family: var(--mono);
  font-size: 0.82rem;
  box-shadow: var(--shadow-card);
}
.terminal-bar {
  background: var(--bg-surface);
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 0.5px solid var(--border-default);
}
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot-r { background: #ff5f57; }
.dot-y { background: #febc2e; }
.dot-g { background: #28c840; }
.terminal-title { color: var(--text-secondary); font-size: 0.78rem; margin: 0 auto; }
.terminal-body { padding: 1.2rem 1.5rem; line-height: 1.9; }

.t-cmd   { color: var(--success); }
.t-head  { color: var(--accent); font-weight: 600; }
.t-sep   { color: var(--border-strong); }
.t-crit  { color: var(--danger); }
.t-warn  { color: var(--warning); }
.t-low   { color: var(--accent); }
.t-muted { color: var(--text-secondary); }
.t-kev   { color: var(--danger); }
.t-score { color: var(--success); }

/* ─── Sections base ──────────────────────────────────────────────────────────── */

section { max-width: 860px; margin: 0 auto; padding: 3rem 2rem; }

h2 { font-size: 1.5rem; font-weight: 600; margin-bottom: 1rem; letter-spacing: -0.015em; }
h2 .accent { color: var(--accent); }

p { color: var(--text-secondary); margin-bottom: 1rem; }

/* ─── Architecture diagram ───────────────────────────────────────────────────── */

.arch {
  background: var(--bg-surface);
  border: 0.5px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 1.5rem 2rem;
  font-family: var(--mono);
  font-size: 0.83rem;
  line-height: 2;
  color: var(--text-secondary);
  margin: 1.5rem 0;
  overflow-x: auto;
  box-shadow: var(--shadow-card);
}
.arch .hl { color: var(--accent); }
.arch .gr { color: var(--success); }

/* ─── Responsive ─────────────────────────────────────────────────────────────── */

@media (max-width: 600px) {
  section { padding: 2rem 1rem; }
  .terminal-wrap { padding: 0 1rem; }
  .arch { padding: 1rem; font-size: 0.75rem; }
}

/* ─── Accessibility ──────────────────────────────────────────────────────────── */

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

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

/* ═══════════════════════════════════════════════════════════════════════════════
   Phase 2 — Navigation + Hero
   ═══════════════════════════════════════════════════════════════════════════════ */

/* ─── Nav ────────────────────────────────────────────────────────────────────── */

nav#site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding: 0 var(--space-8);
  height: 56px;
  border-bottom: 0.5px solid transparent;
  transition: background var(--duration-base) var(--ease-standard),
              border-color var(--duration-base) var(--ease-standard),
              backdrop-filter var(--duration-base) var(--ease-standard);
}

nav#site-nav.nav-scrolled {
  background: rgba(8, 9, 10, 0.85);
  backdrop-filter: blur(12px) saturate(150%);
  -webkit-backdrop-filter: blur(12px) saturate(150%);
  border-bottom-color: var(--border-subtle);
}

nav#site-nav .nav-brand {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}

nav#site-nav .nav-brand span { color: var(--accent); }

nav#site-nav .nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex: 1;
}

nav#site-nav .nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: color var(--duration-fast), background var(--duration-fast);
  white-space: nowrap;
}

nav#site-nav .nav-links a:hover {
  color: var(--text-primary);
  background: var(--bg-subtle);
}

.nav-github {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.btn-nav {
  display: inline-flex;
  align-items: center;
  height: 32px;
  padding: 0 var(--space-4);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--bg-base);
  background: var(--accent);
  border: none;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: opacity var(--duration-fast);
  white-space: nowrap;
}

.btn-nav:hover { opacity: 0.88; }

.nav-hamburger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: none;
  border: 0.5px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color var(--duration-fast), color var(--duration-fast);
}

.nav-hamburger:hover {
  border-color: var(--border-strong);
  color: var(--text-primary);
}

/* ─── Mobile nav overlay ─────────────────────────────────────────────────────── */

.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--bg-base);
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity var(--duration-base) var(--ease-standard),
              transform var(--duration-base) var(--ease-standard);
}

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

.nav-overlay-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-8);
}

.nav-overlay-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: none;
  border: 0.5px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
}

.nav-overlay-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  flex: 1;
}

.nav-overlay-links a {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  transition: color var(--duration-fast), background var(--duration-fast);
}

.nav-overlay-links a:hover {
  color: var(--text-primary);
  background: var(--bg-subtle);
}

.nav-overlay-cta {
  margin-top: var(--space-6);
  justify-content: center;
  height: 48px;
  font-size: 1rem;
}

/* ─── Hero ───────────────────────────────────────────────────────────────────── */

.hero {
  padding-top: calc(56px + var(--space-20));
  padding-bottom: var(--space-20);
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}

.hero-eyebrow-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--success);
  box-shadow: 0 0 0 3px var(--success-dim);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: var(--space-6);
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero .subtitle {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto var(--space-8);
}

/* ─── Hero install block ─────────────────────────────────────────────────────── */

.hero-install {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--bg-surface);
  border: 0.5px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-6);
  font-family: var(--mono);
  font-size: 0.9rem;
}

.hero-install-prompt {
  color: var(--text-disabled);
  user-select: none;
}

.hero-install-cmd {
  color: var(--text-primary);
  font-family: inherit;
  background: none;
  border: none;
  padding: 0;
}

.hero-install-divider {
  width: 0.5px;
  height: 18px;
  background: var(--border-default);
  flex-shrink: 0;
}

.hero-copy-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  padding: 0;
  transition: color var(--duration-fast), background var(--duration-fast);
  flex-shrink: 0;
}

.hero-copy-btn:hover {
  color: var(--text-primary);
  background: var(--bg-subtle);
}

.hero-copy-btn .icon-check { color: var(--success); }

/* ─── Hero CTA ───────────────────────────────────────────────────────────────── */

.cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}

/* ─── Hero meta strip ────────────────────────────────────────────────────────── */

.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-6);
}

.hero-meta-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.hero-meta-item svg {
  color: var(--text-disabled);
  flex-shrink: 0;
}

/* ─── Responsive (Phase 2) ───────────────────────────────────────────────────── */

@media (max-width: 768px) {
  nav#site-nav .nav-links { display: none; }
  nav#site-nav .btn-nav   { display: none; }
  .nav-hamburger { display: flex; }
}

@media (max-width: 600px) {
  .hero { padding-top: calc(56px + var(--space-12)); }
  .hero-install { font-size: 0.8rem; }
  .hero-meta { gap: var(--space-3) var(--space-4); }
}

/* ═══════════════════════════════════════════════════════════════════════════════
   Phase 3 — Terminal play button + typewriter
   ═══════════════════════════════════════════════════════════════════════════════ */

.terminal-wrap {
  position: relative;
}

.terminal-play-btn {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  background: rgba(8, 9, 10, 0.72);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border: none;
  border-radius: inherit;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: background var(--duration-base);
}

.terminal-play-btn:hover {
  background: rgba(8, 9, 10, 0.55);
}

.terminal-play-btn svg {
  color: var(--accent);
  filter: drop-shadow(0 0 6px rgba(56, 189, 248, 0.4));
}

.terminal-play-btn.hidden {
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-base);
}

/* Lines hidden initially when demo mode is active */
.terminal-demo-active .terminal-body > div {
  opacity: 0;
}

/* Revealed lines — must beat .terminal-demo-active specificity */
.terminal-demo-active .terminal-body > div.t-visible {
  opacity: 1;
  transition: opacity 80ms ease;
}

/* Blinking cursor */
.t-cursor {
  display: inline-block;
  width: 7px;
  height: 1em;
  background: var(--accent);
  vertical-align: text-bottom;
  margin-left: 1px;
  animation: blink 1s step-end infinite;
}

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

@media (prefers-reduced-motion: reduce) {
  .t-cursor { animation: none; opacity: 1; }
  .terminal-body > div { opacity: 1 !important; transition: none !important; }
}

/* ═══════════════════════════════════════════════════════════════════════════════
   Phase 4 — Trust strip + Why local-first
   ═══════════════════════════════════════════════════════════════════════════════ */

/* ─── Trust strip ────────────────────────────────────────────────────────────── */

.trust-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
  background: var(--bg-surface);
  border-top: 0.5px solid var(--border-subtle);
  border-bottom: 0.5px solid var(--border-subtle);
  padding: var(--space-6) var(--space-8);
}

.trust-strip-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-6);
}

.trust-strip-divider {
  width: 0.5px;
  height: 36px;
  background: var(--border-subtle);
  flex-shrink: 0;
}

.trust-icon {
  color: var(--accent);
  flex-shrink: 0;
  opacity: 0.85;
}

.trust-strip-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
}

.trust-strip-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin-top: 1px;
}

/* ─── Why local-first section ────────────────────────────────────────────────── */

#why {
  max-width: 1040px;
  margin: 0 auto;
  padding: var(--space-20) var(--space-6);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-header h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.section-header h2 em {
  font-style: normal;
  color: var(--accent);
}

.section-sub {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.why-card {
  background: var(--bg-surface);
  border: 0.5px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
  transition: border-color var(--duration-fast);
}

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

.why-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--accent-dim);
  border: 0.5px solid var(--accent-border);
  border-radius: var(--radius-md);
  color: var(--accent);
  margin-bottom: var(--space-4);
}

.why-card-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.why-card-body {
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

.why-card-body code {
  font-family: var(--mono);
  font-size: 0.8em;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 1px 5px;
  border-radius: var(--radius-sm);
}

/* ─── Responsive (Phase 4) ───────────────────────────────────────────────────── */

@media (max-width: 900px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-strip-divider { display: none; }
  .trust-strip { gap: var(--space-2); }
  .trust-strip-item { padding: var(--space-3) var(--space-4); }
}

@media (max-width: 600px) {
  .why-grid { grid-template-columns: 1fr; }
  .trust-strip { flex-direction: column; align-items: flex-start; padding: var(--space-5) var(--space-6); }
}

/* ═══════════════════════════════════════════════════════════════════════════════
   Phase 5 — Scoring calculator
   ═══════════════════════════════════════════════════════════════════════════════ */

.calc-section {
  max-width: 1040px;
  margin: 0 auto;
  padding: var(--space-20) var(--space-6);
  border-top: 0.5px solid var(--border-subtle);
}

.calc-section .section-header { margin-bottom: var(--space-10); }
.calc-section .section-header code {
  font-family: var(--mono);
  font-size: 0.82em;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 1px 5px;
  border-radius: var(--radius-sm);
}

.calc-wrap {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--space-6);
  align-items: start;
}

/* ─── Controls ───────────────────────────────────────────────────────────────── */

.calc-controls {
  background: var(--bg-surface);
  border: 0.5px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.calc-field { display: flex; flex-direction: column; gap: var(--space-3); }

.calc-field-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.calc-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.calc-weight {
  font-size: 0.75rem;
  font-family: var(--mono);
  color: var(--text-muted);
}

/* Toggle */
.calc-toggle-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.calc-toggle {
  position: relative;
  width: 44px;
  height: 24px;
  background: var(--bg-subtle);
  border: 0.5px solid var(--border-strong);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--duration-base), border-color var(--duration-base);
  flex-shrink: 0;
  padding: 0;
}

.calc-toggle[aria-checked="true"] {
  background: var(--accent);
  border-color: var(--accent);
}

.calc-toggle-knob {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  background: var(--text-muted);
  border-radius: var(--radius-full);
  transition: transform var(--duration-base) var(--ease-standard), background var(--duration-base);
}

.calc-toggle[aria-checked="true"] .calc-toggle-knob {
  transform: translateX(20px);
  background: var(--bg-base);
}

.calc-toggle-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Slider */
.calc-slider-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.calc-slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: var(--bg-subtle);
  border-radius: var(--radius-full);
  outline: none;
  cursor: pointer;
  border: none;
}

.calc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  background: var(--accent);
  cursor: pointer;
  border: 2px solid var(--bg-base);
  box-shadow: 0 0 0 1px var(--accent);
}

.calc-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  background: var(--accent);
  cursor: pointer;
  border: 2px solid var(--bg-base);
}

.calc-slider-val {
  font-family: var(--mono);
  font-size: 0.875rem;
  color: var(--accent);
  min-width: 36px;
  text-align: right;
}

.calc-slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-disabled);
  margin-top: -var(--space-1);
}

/* Segmented control */
.calc-seg {
  display: flex;
  gap: var(--space-1);
  background: var(--bg-subtle);
  border: 0.5px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 3px;
}

.calc-seg-btn {
  flex: 1;
  height: 30px;
  font-size: 0.8rem;
  font-weight: 500;
  font-family: var(--font);
  color: var(--text-secondary);
  background: none;
  border: none;
  border-radius: calc(var(--radius-md) - 2px);
  cursor: pointer;
  transition: background var(--duration-fast), color var(--duration-fast);
}

.calc-seg-btn:hover { color: var(--text-primary); }

.calc-seg-btn.active {
  background: var(--bg-elevated);
  color: var(--text-primary);
  box-shadow: 0 1px 2px rgba(0,0,0,0.4);
}

/* ─── Result panel ───────────────────────────────────────────────────────────── */

.calc-result {
  background: var(--bg-elevated);
  border: 0.5px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  position: sticky;
  top: calc(56px + var(--space-4));
}

.calc-score-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-3);
}

.calc-score-num {
  font-size: 4rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  transition: color var(--duration-base);
}

.calc-score-num.score-critical { color: var(--danger); }
.calc-score-num.score-high     { color: var(--warning); }
.calc-score-num.score-medium   { color: var(--accent); }
.calc-score-num.score-low      { color: var(--text-secondary); }

.calc-priority-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}

.badge-critical { background: var(--danger-dim);  color: var(--danger);  border: 0.5px solid #5a1a1a; }
.badge-high     { background: var(--warning-dim); color: var(--warning); border: 0.5px solid #5a3d0a; }
.badge-medium   { background: var(--accent-dim);  color: var(--accent);  border: 0.5px solid var(--accent-border); }
.badge-low      { background: var(--bg-subtle);   color: var(--text-muted); border: 0.5px solid var(--border-default); }

.calc-breakdown {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  text-align: left;
  border-top: 0.5px solid var(--border-subtle);
  padding-top: var(--space-4);
}

.calc-breakdown-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
}

.calc-breakdown-name { color: var(--text-muted); }

.calc-breakdown-val {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.calc-breakdown-val.is-active { color: var(--accent); }

.calc-kev-floor {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.75rem;
  color: var(--warning);
  background: var(--warning-dim);
  border: 0.5px solid #5a3d0a;
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  margin-top: var(--space-3);
  text-align: left;
}

/* ─── Responsive (Phase 5) ───────────────────────────────────────────────────── */

@media (max-width: 768px) {
  .calc-wrap { grid-template-columns: 1fr; }
  .calc-result { position: static; }
}

/* ═══════════════════════════════════════════════════════════════════════════════
   Phase 6 — Features grid, evidence preview, CI/CD section
   ═══════════════════════════════════════════════════════════════════════════════ */

/* ─── Features grid ──────────────────────────────────────────────────────────── */

.features-section {
  max-width: 1040px;
  margin: 0 auto;
  padding: var(--space-20) var(--space-6);
  border-top: 0.5px solid var(--border-subtle);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.feat-card {
  background: var(--bg-surface);
  border: 0.5px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: border-color var(--duration-fast);
}

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

.feat-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  background: var(--bg-elevated);
  border: 0.5px solid var(--border-strong);
  border-radius: var(--radius-md);
  color: var(--accent);
  margin-bottom: var(--space-3);
  flex-shrink: 0;
}

.feat-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

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

.feat-desc code {
  font-family: var(--mono);
  font-size: 0.78em;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 1px 4px;
  border-radius: var(--radius-sm);
}

.powered-row {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
}

.powered-row a { color: var(--text-secondary); }
.powered-row a:hover { color: var(--text-primary); }

/* ─── Evidence preview ───────────────────────────────────────────────────────── */

.evidence-section {
  max-width: 1040px;
  margin: 0 auto;
  padding: var(--space-20) var(--space-6);
  border-top: 0.5px solid var(--border-subtle);
}

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

.evidence-cmd-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--mono);
  font-size: 0.875rem;
  padding: var(--space-3) var(--space-4);
  background: var(--bg-surface);
  border: 0.5px solid var(--border-default);
  border-radius: var(--radius-md);
  overflow-x: auto;
}

.evidence-cmd-prompt { color: var(--success); flex-shrink: 0; }
.evidence-cmd-text   { color: var(--text-primary); white-space: nowrap; }

.evidence-doc {
  background: var(--bg-surface);
  border: 0.5px solid var(--border-default);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.evidence-doc-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--bg-elevated);
  border-bottom: 0.5px solid var(--border-default);
}

.evidence-doc-dot {
  width: 10px; height: 10px;
  border-radius: var(--radius-full);
  background: var(--border-strong);
}

.evidence-doc-title {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: 0 auto;
  font-family: var(--mono);
}

.evidence-doc-body {
  padding: var(--space-6);
  font-size: 0.8125rem;
  line-height: 1.6;
}

.ev-h1 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.ev-meta-row {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.ev-meta-item { font-size: 0.78rem; color: var(--text-secondary); }
.ev-meta-key  { color: var(--text-muted); margin-right: var(--space-1); }

.ev-divider {
  height: 0.5px;
  background: var(--border-subtle);
  margin: var(--space-4) 0;
}

.ev-section-title {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.ev-row {
  display: flex;
  gap: var(--space-4);
  font-size: 0.8rem;
  margin-bottom: var(--space-1);
}

.ev-k { color: var(--text-muted); min-width: 110px; flex-shrink: 0; }
.ev-v { color: var(--text-secondary); }

.ev-finding {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  border-bottom: 0.5px solid var(--border-subtle);
  font-size: 0.8rem;
}

.ev-finding:last-child { border-bottom: none; }

.ev-score {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 600;
  min-width: 36px;
  flex-shrink: 0;
}

.ev-critical .ev-score { color: var(--danger); }
.ev-high     .ev-score { color: var(--warning); }

.ev-cve  { color: var(--accent); font-family: var(--mono); font-size: 0.78rem; min-width: 120px; }
.ev-name { color: var(--text-secondary); }

.ev-sla-grid {
  display: flex;
  gap: var(--space-3);
}

.ev-sla-item {
  flex: 1;
  border-radius: var(--radius-md);
  padding: var(--space-3);
  text-align: center;
  border: 0.5px solid;
}

.ev-sla-ok     { background: var(--success-dim); border-color: #0e4020; }
.ev-sla-warn   { background: var(--warning-dim); border-color: #5a3d0a; }
.ev-sla-breach { background: var(--danger-dim);  border-color: #5a1a1a; }

.ev-sla-num   { font-size: 1.1rem; font-weight: 600; color: var(--text-primary); }
.ev-sla-label { font-size: 0.72rem; color: var(--text-muted); margin-top: 2px; }

.ev-control-row {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.7;
  padding: var(--space-3);
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  border-left: 2px solid var(--accent-border);
}

.ev-signoff-grid {
  display: flex;
  gap: var(--space-8);
}

.ev-signoff-item { flex: 1; }
.ev-signoff-line {
  height: 0.5px;
  background: var(--border-strong);
  margin-bottom: var(--space-2);
}
.ev-signoff-label { font-size: 0.72rem; color: var(--text-muted); }

/* ─── CI/CD section ──────────────────────────────────────────────────────────── */

.cicd-section {
  max-width: 1040px;
  margin: 0 auto;
  padding: var(--space-20) var(--space-6);
  border-top: 0.5px solid var(--border-subtle);
}

.cicd-wrap {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--space-6);
  align-items: start;
}

.cicd-block {
  background: #060709;
  border: 0.5px solid var(--border-default);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.cicd-block-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: var(--bg-surface);
  border-bottom: 0.5px solid var(--border-default);
}

.cicd-block-title { font-size: 0.8rem; font-weight: 500; color: var(--text-secondary); }
.cicd-block-lang  { font-size: 0.72rem; color: var(--text-muted); font-family: var(--mono); }

.cicd-code {
  font-family: var(--mono);
  font-size: 0.8125rem;
  line-height: 1.9;
  color: var(--text-secondary);
  padding: var(--space-5) var(--space-6);
  margin: 0;
  overflow-x: auto;
  white-space: pre;
}

.cc-key  { color: var(--accent); }
.cc-str  { color: var(--success); }
.cc-pipe { color: var(--text-muted); }
.cc-flag { color: var(--warning); }

.cicd-exits {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.cicd-exit {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--bg-surface);
  border: 0.5px solid var(--border-default);
  border-radius: var(--radius-lg);
}

.cicd-exit-code {
  font-family: var(--mono);
  font-size: 1.1rem;
  font-weight: 700;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.cicd-exit-ok     { background: var(--success-dim); color: var(--success); border: 0.5px solid #0e4020; }
.cicd-exit-err    { background: var(--bg-subtle);   color: var(--text-muted); border: 0.5px solid var(--border-strong); }
.cicd-exit-breach { background: var(--danger-dim);  color: var(--danger);  border: 0.5px solid #5a1a1a; }

.cicd-exit-title { font-size: 0.875rem; font-weight: 600; color: var(--text-primary); margin-bottom: 2px; }
.cicd-exit-desc  { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.5; }

/* ─── Responsive (Phase 6) ───────────────────────────────────────────────────── */

@media (max-width: 900px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .cicd-wrap { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .features-grid { grid-template-columns: 1fr; }
  .ev-meta-row { gap: var(--space-4); }
  .ev-sla-grid { flex-wrap: wrap; }
  .ev-signoff-grid { gap: var(--space-4); }
}

/* ═══════════════════════════════════════════════════════════════════════════════
   Phase 7 — Roadmap, install, FAQ accordion, footer
   ═══════════════════════════════════════════════════════════════════════════════ */

/* ─── Roadmap ────────────────────────────────────────────────────────────────── */

.roadmap-section {
  max-width: 1040px;
  margin: 0 auto;
  padding: var(--space-20) var(--space-6);
  border-top: 0.5px solid var(--border-subtle);
}

.roadmap-track { display: flex; flex-direction: column; gap: var(--space-2); }

.roadmap-done-group {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 0.5px solid var(--border-default);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.rm-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-5);
  padding: var(--space-4) var(--space-5);
  border-bottom: 0.5px solid var(--border-subtle);
  transition: background var(--duration-fast);
}

.rm-item:last-child { border-bottom: none; }

.roadmap-done-group .rm-item:hover { background: var(--bg-surface); }

.rm-ver {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-disabled);
  min-width: 52px;
  padding-top: 2px;
  flex-shrink: 0;
}

.rm-ver-future { color: var(--text-muted); }

.rm-done .rm-ver { color: var(--success); }
.rm-current .rm-ver { color: var(--accent); }

.rm-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.rm-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.rm-desc code {
  font-family: var(--mono);
  font-size: 0.78em;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 1px 4px;
  border-radius: var(--radius-sm);
}

.rm-badge-current {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 1px 7px;
  border-radius: var(--radius-full);
  background: var(--accent-dim);
  color: var(--accent);
  border: 0.5px solid var(--accent-border);
}

.roadmap-future-group {
  border: 0.5px dashed var(--border-default);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.rm-future { opacity: 0.6; }

/* ─── Install section ────────────────────────────────────────────────────────── */

.install-section {
  max-width: 1040px;
  margin: 0 auto;
  padding: var(--space-20) var(--space-6);
  border-top: 0.5px solid var(--border-subtle);
}

.install-steps-new {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: var(--space-8);
}

.install-step-new {
  display: flex;
  align-items: flex-start;
  gap: var(--space-5);
  padding: var(--space-5) 0;
}

.step-num-new {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--accent-dim);
  border: 0.5px solid var(--accent-border);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.step-body { flex: 1; }

.step-title-new {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.step-cmd-new {
  font-family: var(--mono);
  font-size: 0.875rem;
  color: var(--success);
  background: var(--bg-surface);
  border: 0.5px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-4);
  margin-bottom: var(--space-2);
  display: inline-block;
}

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

.step-desc-new code {
  font-family: var(--mono);
  font-size: 0.85em;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 1px 4px;
  border-radius: var(--radius-sm);
}

.install-connector {
  width: 0.5px;
  height: var(--space-4);
  background: var(--border-default);
  margin-left: 15px;
}

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

/* ─── FAQ accordion ──────────────────────────────────────────────────────────── */

.faq-section {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-20) var(--space-6);
  border-top: 0.5px solid var(--border-subtle);
}

.faq-list { display: flex; flex-direction: column; }

.faq-item-new {
  border-bottom: 0.5px solid var(--border-subtle);
}

.faq-item-new:last-child { border-bottom: none; }

.faq-q-new {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) 0;
  background: none;
  border: none;
  text-align: left;
  font-size: 0.9375rem;
  font-weight: 500;
  font-family: var(--font);
  color: var(--text-primary);
  cursor: pointer;
  transition: color var(--duration-fast);
}

.faq-q-new:hover { color: var(--accent); }

.faq-q-new::after {
  content: '';
  display: block;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-size: contain;
  transition: transform var(--duration-base) var(--ease-standard);
}

.faq-q-new[aria-expanded="true"]::after {
  transform: rotate(180deg);
}

.faq-a-new {
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--text-secondary);
  padding-bottom: var(--space-5);
}

.faq-a-new code {
  font-family: var(--mono);
  font-size: 0.85em;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 1px 5px;
  border-radius: var(--radius-sm);
}

/* ─── Footer ─────────────────────────────────────────────────────────────────── */

.site-footer {
  border-top: 0.5px solid var(--border-subtle);
  padding: var(--space-12) var(--space-8) var(--space-8);
  margin-top: var(--space-8);
}

.footer-inner {
  max-width: 1040px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: var(--space-8);
}

.footer-logo {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.footer-logo span { color: var(--accent); }

.footer-tagline {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-3);
  max-width: 220px;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--text-disabled);
}

.footer-col-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-3);
}

.footer-links-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-links-col a {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--duration-fast);
}

.footer-links-col a:hover { color: var(--text-primary); }

/* ─── Responsive (Phase 7) ───────────────────────────────────────────────────── */

@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr 1fr; gap: var(--space-8) var(--space-6); }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 480px) {
  .footer-inner { grid-template-columns: 1fr; }
}