/* ==========================================================================
   PickPackPush
   Light, editorial, industrial.
   ========================================================================== */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --white:    #ffffff;
  --bg:       #f8f7f6;
  --bg-alt:   #f0efed;
  --surface:  #ffffff;
  --border:   #e2e0dc;
  --border-2: #d1cfc9;
  --text:     #1a1a1a;
  --text-2:   #555550;
  --text-3:   #8a8a82;
  --accent:   #c8490a;
  --accent-bg:#fdf3ee;
  --accent-2: #a63b08;
  --green:    #1a7a42;
  --green-bg: #edf7f1;
  --amber:    #946b15;
  --amber-bg: #fdf6e8;
  --red:      #b5342a;
  --red-bg:   #fceeed;

  --f-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --f-mono: 'IBM Plex Mono', ui-monospace, 'Cascadia Mono', monospace;

  --w-page: 1040px;
  --w-narrow: 580px;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--f-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

.wrap {
  max-width: var(--w-page);
  margin: 0 auto;
  padding: 0 2rem;
}

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

code {
  font-family: var(--f-mono);
  font-size: 0.825em;
  background: var(--bg-alt);
  padding: 0.15em 0.4em;
  border-radius: 3px;
  color: var(--accent);
}

.mono { font-family: var(--f-mono); }

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


/* ==========================================================================
   Nav
   ========================================================================== */

.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: rgba(248, 247, 246, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  height: 3.5rem;
}

.logo {
  font-family: var(--f-mono);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-right: auto;
}

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

.nav-links {
  display: flex;
  gap: 1.75rem;
  margin-right: 2rem;
}

.nav-links a {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--text); }

.btn {
  display: inline-flex;
  align-items: center;
  font-family: var(--f-sans);
  font-weight: 600;
  font-size: 0.8125rem;
  color: var(--white);
  background: var(--accent);
  padding: 0.55rem 1.15rem;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: background 0.15s;
  letter-spacing: -0.005em;
}

.btn:hover { background: var(--accent-2); }

.btn-sm {
  font-size: 0.75rem;
  padding: 0.45rem 0.9rem;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  margin-left: 0.5rem;
}

.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  margin: 4px 0;
  transition: transform 0.2s, opacity 0.2s;
}

.hamburger.is-active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.hamburger.is-active span:nth-child(2) {
  opacity: 0;
}
.hamburger.is-active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}


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

.hero {
  padding: 9rem 0 5rem;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  max-width: 660px;
}

.hero-tag {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.hero-h1 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 1.25rem;
}

.hero-lead {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text-2);
  margin-bottom: 1.25rem;
}

.hero-bullets {
  list-style: none;
  margin-bottom: 2rem;
}

.hero-bullets li {
  position: relative;
  padding: 0.3rem 0 0.3rem 1.5rem;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-2);
}

.hero-bullets li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 600;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-note {
  font-size: 0.8125rem;
  color: var(--text-3);
}


/* ==========================================================================
   Ledger (data table, replaces terminal)
   ========================================================================== */

.ledger {
  padding: 4rem 0;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.ledger-window {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--white);
}

.ledger-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.ledger-title {
  font-family: var(--f-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text);
}

.ledger-meta {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  color: var(--text-3);
}

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

.ledger-table th {
  text-align: left;
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-3);
  padding: 0.65rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.ledger-table td {
  padding: 0.7rem 1.25rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-2);
}
.ledger-table tr:last-child td { border-bottom: none; }

.ledger-table .hash {
  color: var(--text-3);
  font-size: 0.8125rem;
}
.ledger-table .dim { color: var(--text-3); font-size: 0.8125rem; }

.badge {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 0.15rem 0.45rem;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-pick   { color: var(--accent);  background: var(--accent-bg); }
.badge-pack   { color: var(--green);   background: var(--green-bg); }
.badge-push   { color: var(--text);    background: var(--bg-alt); }
.badge-revert { color: var(--amber);   background: var(--amber-bg); }

.status {
  font-size: 0.8125rem;
  font-weight: 500;
}
.status-ok   { color: var(--green); }
.status-warn { color: var(--red); }


/* ==========================================================================
   Contrast (Before / After)
   ========================================================================== */

.contrast {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border);
}

.contrast-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contrast-label {
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
}

.contrast-label-before { color: var(--red); }
.contrast-label-after  { color: var(--green); }

.contrast-list {
  list-style: none;
}

.contrast-list li {
  position: relative;
  padding: 0.5rem 0 0.5rem 1.25rem;
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--text-2);
  border-bottom: 1px solid var(--border);
}
.contrast-list li:last-child { border-bottom: none; }

.contrast-list li::before {
  content: '\2013';
  position: absolute;
  left: 0;
  color: var(--red);
  font-weight: 600;
}

.contrast-list-after li::before {
  content: '\2713';
  color: var(--green);
}


/* ==========================================================================
   How It Works
   ========================================================================== */

.how {
  padding: 5rem 0;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.section-tag {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section-h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-bottom: 3rem;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 0;
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}
.step:last-child { border-bottom: 1px solid var(--border); }

.step-num {
  font-family: var(--f-mono);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--border-2);
  line-height: 1;
  padding-top: 0.15rem;
}

.step-header {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.step-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.step-git {
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
}

.step-body {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--text-2);
  max-width: 540px;
}


/* ==========================================================================
   Features
   ========================================================================== */

.features {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border);
}

.feat-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.feat-item {
  padding: 1.5rem 2rem 1.5rem 0;
  border-bottom: 1px solid var(--border);
}

.feat-item:nth-child(even) {
  padding: 1.5rem 0 1.5rem 2rem;
  border-left: 1px solid var(--border);
}

.feat-item:nth-last-child(-n+2) { border-bottom: none; }

.feat-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.35rem;
}

.feat-body {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-2);
}


/* ==========================================================================
   Integrations
   ========================================================================== */

.integrations {
  padding: 5rem 0;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.integ-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.integ-item {
  padding: 1.5rem 2rem 1.5rem 0;
  border-bottom: 1px solid var(--border);
}

.integ-item:nth-child(even) {
  padding: 1.5rem 0 1.5rem 2rem;
  border-left: 1px solid var(--border);
}

.integ-item:nth-last-child(-n+2) { border-bottom: none; }


/* ==========================================================================
   Story
   ========================================================================== */

.story {
  padding: 5rem 0;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.story-layout {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 4rem;
  align-items: start;
}

.story-quote {
  margin: 0 0 1.5rem;
  padding: 0;
  border: none;
}

.story-quote p {
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--text);
}

.story-attr {
  font-size: 0.875rem;
  color: var(--text-3);
}
.story-attr strong {
  color: var(--accent);
  font-weight: 600;
}

.story-note p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-2);
  margin-bottom: 1rem;
}
.story-note p:last-child { margin-bottom: 0; }

.story-sign {
  font-family: var(--f-mono);
  font-size: 0.875rem;
  color: var(--text-3);
  margin-top: 1.5rem;
}

.story-stats {
  padding-top: 0.25rem;
}

.stat {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}
.stat:first-child { padding-top: 0; }
.stat:last-child  { border-bottom: none; }

.stat-val {
  display: block;
  font-family: var(--f-mono);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.stat-label {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-3);
  margin-top: 0.15rem;
}


/* ==========================================================================
   CTA
   ========================================================================== */

.cta {
  padding: 5rem 0;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.cta-inner {
  max-width: var(--w-narrow);
}

.cta-h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.cta-body {
  font-size: 1rem;
  color: var(--text-2);
  line-height: 1.65;
  margin-bottom: 2rem;
}

.cta-row {
  display: flex;
  max-width: 420px;
  margin: 0 auto;
  border: 1px solid var(--border-2);
  border-radius: 8px;
  overflow: hidden;
  background: var(--white);
  transition: border-color 0.15s;
}
.cta-row:focus-within { border-color: var(--accent); }

.cta-input {
  flex: 1;
  font-family: var(--f-mono);
  font-size: 0.8125rem;
  padding: 0.7rem 1rem;
  background: transparent;
  border: none;
  color: var(--text);
  outline: none;
  min-width: 0;
}
.cta-input::placeholder { color: var(--text-3); }

.cta .btn {
  border-radius: 0;
  flex-shrink: 0;
  padding: 0.7rem 1.25rem;
}

.cta-note {
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: var(--text-3);
}

.cta-success {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--green);
  background: var(--green-bg);
  padding: 0.65rem 1rem;
  border-radius: 6px;
  margin-bottom: 1.25rem;
}

.cta-error {
  font-size: 0.8125rem;
  color: var(--red);
  margin-top: 0.5rem;
}


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

.faq {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border);
}

.faq .section-tag,
.faq .section-h2 {
  text-align: center;
}

.faq-list {
  max-width: 680px;
  margin: 0 auto;
}

.faq-item {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}
.faq-item:last-child { border-bottom: none; }

.faq-q {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.faq-a {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--text-2);
}


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

.footer {
  padding: 2rem 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-mark {
  font-size: 0.75rem;
  color: var(--text-3);
}

.footer-nav {
  display: flex;
  gap: 1.5rem;
}

.footer-nav a {
  font-size: 0.75rem;
  color: var(--text-3);
  transition: color 0.15s;
}
.footer-nav a:hover { color: var(--text); }


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

@media (max-width: 768px) {
  .hero-inner { max-width: 100%; }

  .contrast-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .feat-list { grid-template-columns: 1fr; }
  .feat-item {
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--border);
  }
  .feat-item:nth-child(even) {
    padding: 1.25rem 0;
    border-left: none;
  }
  .feat-item:last-child { border-bottom: none; }

  .integ-list { grid-template-columns: 1fr; }
  .integ-item {
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--border);
  }
  .integ-item:nth-child(even) {
    padding: 1.25rem 0;
    border-left: none;
  }
  .integ-item:last-child { border-bottom: none; }

  .story-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .hamburger { display: block; }
  .nav-cta { display: none; }

  .nav-links {
    display: none;
    position: absolute;
    top: 3.5rem;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(248, 247, 246, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 1rem 2rem;
    gap: 0;
  }

  .nav-links.nav-open {
    display: flex;
  }

  .nav-links a {
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.875rem;
  }
  .nav-links a:last-child { border-bottom: none; }

  .ledger-table th:nth-child(1),
  .ledger-table td:nth-child(1) { display: none; }
}

@media (max-width: 480px) {
  .wrap { padding: 0 1.25rem; }

  .hero { padding: 7rem 0 3rem; }
  .hero-h1 { font-size: 1.75rem; }

  .ledger,
  .contrast,
  .how,
  .features,
  .integrations,
  .story,
  .faq,
  .cta { padding: 3.5rem 0; }

  .section-h2 { margin-bottom: 2rem; }

  .step {
    grid-template-columns: 2.5rem 1fr;
  }

  .cta-row {
    flex-direction: column;
  }
  .cta-input {
    border-bottom: 1px solid var(--border);
  }
  .cta .btn { border-radius: 0; }

  .ledger-table { font-size: 0.8125rem; }
  .ledger-table th,
  .ledger-table td { padding: 0.5rem 0.75rem; }
  .ledger-table th:nth-child(2),
  .ledger-table td:nth-child(2) { display: none; }

  .footer-inner {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }
  .footer-nav { flex-wrap: wrap; justify-content: center; gap: 0.75rem; }
}