/* =============================================================
   Captre — Design System
   White + Amber. Sharp geometry. macOS-grade spacing.
   Dark mode + mobile-first responsive.
   Font: Nunito — rounded, smooth, fluid.
   ============================================================= */

@import url('https://fonts.googleapis.com/css2?family=Nunito:ital,wght@0,400;0,500;0,600;0,700;0,800;0,900;1,700&family=Nunito+Sans:wght@400;500;600;700&display=swap');

/* --- Reset -------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  width: 100%;
  overflow-x: hidden;
}

body ::-webkit-scrollbar {
	display: none;
}

body {
	-ms-overflow-style: none;
}

html {
	scrollbar-width: none;
}

/* --- Light mode tokens -------------------------------------- */
:root {
  /* Colour palette */
  --white:        #ffffff;
  --off-white:    #fafaf9;
  --stone-50:     #f5f5f4;
  --stone-100:    #e7e5e4;
  --stone-200:    #d6d3d1;
  --stone-400:    #a8a29e;
  --stone-600:    #57534e;
  --stone-800:    #292524;
  --stone-950:    #0c0a09;

  --amber-300:    #fcd34d;
  --amber-400:    #fbbf24;
  --amber-500:    #f59e0b;
  --amber-600:    #d97706;
  --amber-900:    #78350f;

  /* Semantic — light */
  --bg:             var(--white);
  --bg-2:           var(--off-white);
  --surface:        var(--off-white);
  --surface-2:      var(--stone-50);
  --border:         var(--stone-200);
  --border-strong:  var(--stone-800);
  --text:           var(--stone-950);
  --text-2:         var(--stone-800);
  --muted:          var(--stone-600);
  --muted-2:        var(--stone-400);
  --accent:         var(--amber-500);
  --accent-hover:   var(--amber-600);
  --accent-light:   #fffbeb;
  --accent-border:  #fde68a;
  --nav-bg:         rgba(255,255,255,0.90);
  --nav-border:     var(--stone-200);
  --code-bg:        var(--stone-100);
  --code-color:     var(--stone-800);
  --hero-grid-color: var(--stone-200);
  --card-bg:        var(--white);

  /* Dark section (always dark regardless of theme) */
  --dark-bg:        var(--stone-950);
  --dark-border:    var(--stone-800);
  --dark-text:      var(--stone-100);
  --dark-muted:     var(--stone-400);
  --dark-code-bg:   #111;

  --green:  #16a34a;
  --red:    #dc2626;

  /* Type */
  --font:  'Nunito', 'Nunito Sans', 'Comic Sans MS', 'Chalkboard SE', 'Bradley Hand', cursive, sans-serif;
  --mono:  'SF Mono', 'JetBrains Mono', 'Fira Code', ui-monospace, monospace;

  /* Geometry — NO border-radius (square) */
  --r: 0px;

  /* Spacing scale */
  --sp-1:  4px;
  --sp-2:  8px;
  --sp-3:  12px;
  --sp-4:  16px;
  --sp-5:  20px;
  --sp-6:  24px;
  --sp-8:  32px;
  --sp-10: 40px;
  --sp-12: 48px;
  --sp-16: 64px;
  --sp-20: 80px;
  --sp-24: 96px;
}

/* --- Dark mode tokens --------------------------------------- */
[data-theme="dark"] {
  --bg:             #111110;
  --bg-2:           #1a1917;
  --surface:        #1a1917;
  --surface-2:      #222120;
  --border:         #2e2c2a;
  --border-strong:  #57534e;
  --text:           #f5f5f4;
  --text-2:         #d6d3d1;
  --muted:          #a8a29e;
  --muted-2:        #78716c;
  --accent-light:   #1c1200;
  --accent-border:  #78350f;
  --nav-bg:         rgba(17,17,16,0.92);
  --nav-border:     #2e2c2a;
  --code-bg:        #222120;
  --code-color:     #e7e5e4;
  --hero-grid-color: #2e2c2a;
  --card-bg:        #1a1917;
  --green:  #22c55e;
  --red:    #f87171;
}

/* --- Base --------------------------------------------------- */
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 18px;
  line-height: 1.7;
  letter-spacing: 0.01em;
  transition: background .18s, color .18s;
  width: 100%;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
code, pre { font-family: var(--mono); }
strong { font-weight: 600; }

/* --- Layout ------------------------------------------------- */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 var(--sp-6);
}
.container-tight {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--sp-6);
}

/* --- Nav ---------------------------------------------------- */
.nav {
  position: sticky; top: 0; z-index: 200;
  background: var(--nav-bg);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--nav-border);
  height: 58px;
}
.nav-inner {
  height: 58px;
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-4);
}
.nav-logo {
  display: flex; align-items: center; gap: var(--sp-2);
  font-weight: 800; font-size: 20px; letter-spacing: -.01em;
  color: var(--text); flex-shrink: 0;
}
.nav-logo-mark {
  width: 30px; height: 30px;
  background: var(--stone-950);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
[data-theme="dark"] .nav-logo-mark { background: var(--amber-400); }
.nav-logo-mark span {
  color: var(--amber-400);
  font-size: 15px; font-weight: 800;
  font-family: var(--mono);
}
[data-theme="dark"] .nav-logo-mark span { color: var(--stone-950); }

.nav-links {
  display: flex; align-items: center; gap: var(--sp-5);
}
.nav-links a {
  font-size: 15px; font-weight: 600;
  color: var(--muted);
  transition: color .12s;
}
.nav-links a:hover { color: var(--text); }
.nav-pill {
  font-size: 12px; font-weight: 700;
  padding: 3px 10px;
  border: 1px solid var(--border-strong);
  color: var(--text-2);
  background: var(--bg);
  letter-spacing: .04em; text-transform: uppercase;
}

/* Theme toggle */
.theme-toggle {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface-2);
  border: 1px solid var(--border);
  cursor: pointer;
  color: var(--muted);
  transition: background .12s, color .12s;
  flex-shrink: 0;
  font-size: 16px;
  line-height: 1;
}
.theme-toggle:hover { background: var(--border); color: var(--text); }

/* Hamburger */
.nav-hamburger {
  display: none;
  width: 34px; height: 34px;
  align-items: center; justify-content: center;
  background: none; border: 1px solid var(--border);
  cursor: pointer; color: var(--text); flex-shrink: 0;
}
.nav-hamburger svg { width: 18px; height: 18px; }

/* Mobile drawer */
.nav-drawer {
  display: none;
  position: fixed; top: 58px; left: 0; right: 0; bottom: 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
  z-index: 199;
  padding: var(--sp-6);
  flex-direction: column;
  gap: var(--sp-2);
}
.nav-drawer.open { display: flex; }
.nav-drawer a {
  display: block;
  padding: var(--sp-4) var(--sp-5);
  font-size: 18px; font-weight: 600;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.nav-drawer a:last-child { border-bottom: none; }

/* --- Buttons ----------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  padding: 12px 24px;
  font-size: 16px; font-weight: 700;
  letter-spacing: .01em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background .12s, border-color .12s, color .12s;
  white-space: nowrap;
  text-decoration: none !important;
}
.btn-primary {
  background: var(--stone-950);
  color: var(--white);
  border-color: var(--stone-950);
}
[data-theme="dark"] .btn-primary {
  background: var(--amber-400);
  color: var(--stone-950);
  border-color: var(--amber-400);
}
.btn-primary:hover {
  background: var(--stone-800);
  border-color: var(--stone-800);
}
[data-theme="dark"] .btn-primary:hover {
  background: var(--amber-500);
  border-color: var(--amber-500);
}
.btn-amber {
  background: var(--amber-400);
  color: var(--stone-950);
  border-color: var(--amber-400);
}
.btn-amber:hover {
  background: var(--amber-500);
  border-color: var(--amber-500);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-outline:hover {
  background: var(--stone-950);
  color: var(--white);
  border-color: var(--stone-950);
}
[data-theme="dark"] .btn-outline { border-color: var(--border-strong); }
[data-theme="dark"] .btn-outline:hover {
  background: var(--amber-400);
  color: var(--stone-950);
  border-color: var(--amber-400);
}
.btn-sm {
  padding: 8px 16px;
  font-size: 14px;
}
.btn-xs {
  padding: 6px 12px;
  font-size: 13px;
}

/* --- Hero --------------------------------------------------- */
.hero {
  min-height: calc(100vh - 58px);
  display: flex; flex-direction: column; justify-content: center;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.hero-grid {
  position: absolute; inset: 0; z-index: 0;
  background-image: radial-gradient(var(--hero-grid-color) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: .55;
}
.hero-inner {
  position: relative; z-index: 1;
  padding: var(--sp-20) 0;
}
.hero-tag {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 5px 12px;
  background: var(--bg);
  margin-bottom: var(--sp-6);
}
.hero-tag-dot {
  width: 6px; height: 6px;
  background: var(--amber-400);
  flex-shrink: 0;
}
.hero h1 {
  font-size: clamp(2.6rem, 7vw, 5.2rem);
  font-weight: 800;
  letter-spacing: -.035em;
  line-height: 1.22;
  color: var(--text);
  margin-bottom: var(--sp-6);
  max-width: 780px;
}
.hero h1 em {
  font-style: normal;
  background: var(--amber-400);
  padding: 0 8px 2px;
  line-height: inherit;
  display: inline;
  color: var(--stone-950);
  /* tiny bottom margin so the highlight block breathes from the line below */
  margin-bottom: 0.08em;
}
.hero-desc {
  font-size: 20px;
  color: var(--muted);
  max-width: 580px;
  line-height: 1.75;
  margin-bottom: var(--sp-10);
}
.hero-actions {
  display: flex; align-items: center; gap: var(--sp-3); flex-wrap: wrap;
  margin-bottom: var(--sp-16);
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, max-content);
  gap: 0;
  border: 1px solid var(--border);
  background: var(--card-bg);
  width: fit-content;
}
.hero-stat {
  padding: var(--sp-5) var(--sp-8);
  border-right: 1px solid var(--border);
  min-width: 130px;
}
.hero-stat:last-child { border-right: none; }
.hero-stat-val {
  font-size: 2rem; font-weight: 800; letter-spacing: -.02em;
  color: var(--text);
}
.hero-stat-val.amber { color: var(--amber-600); }
[data-theme="dark"] .hero-stat-val.amber { color: var(--amber-400); }
.hero-stat-label {
  font-size: 13px; font-weight: 600; letter-spacing: .05em; text-transform: uppercase;
  color: var(--muted); margin-top: 4px;
}

/* --- Section chrome ----------------------------------------- */
.section      { padding: var(--sp-20) 0; }
.section-sm   { padding: var(--sp-12) 0; }
.section-alt  { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-dark {
  background: var(--dark-bg); color: var(--dark-text);
  border-top: 1px solid var(--dark-border); border-bottom: 1px solid var(--dark-border);
}
.section-dark .muted { color: var(--dark-muted); }

.label {
  font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--amber-600);
  margin-bottom: var(--sp-3);
}
[data-theme="dark"] .label { color: var(--amber-400); }
.section-dark .label { color: var(--amber-400); }

.section-h {
  font-size: clamp(1.75rem, 3.5vw, 2.6rem);
  font-weight: 800; letter-spacing: -.02em;
  line-height: 1.15;
  margin-bottom: var(--sp-4);
}
.section-sub {
  font-size: 18px; color: var(--muted);
  max-width: 540px; line-height: 1.75;
}

/* --- Cards -------------------------------------------------- */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: var(--sp-8);
}
.card-sm { padding: var(--sp-5) var(--sp-6); }
.card + .card { margin-top: var(--sp-4); }

.card-num {
  font-size: 12px; font-weight: 700; letter-spacing: .08em;
  font-family: var(--mono); color: var(--amber-600);
  margin-bottom: var(--sp-4);
}
[data-theme="dark"] .card-num { color: var(--amber-400); }
.card-title {
  font-size: 17px; font-weight: 700; letter-spacing: -.01em;
  margin-bottom: var(--sp-2);
}
.card-body { font-size: 15px; color: var(--muted); line-height: 1.7; }

/* --- Feature grid ------------------------------------------- */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0;
  border: 1px solid var(--border);
}
.feature {
  padding: var(--sp-8);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--card-bg);
}
.feature:nth-child(2n) { border-right: none; }
@media (min-width: 768px) {
  .feature { border-right: 1px solid var(--border); border-bottom: none; }
  .feature:last-child { border-right: none; }
}
.feature-num {
  font-family: var(--mono); font-size: 12px; font-weight: 700;
  color: var(--amber-600); margin-bottom: var(--sp-5);
}
[data-theme="dark"] .feature-num { color: var(--amber-400); }
.feature-title {
  font-size: 16px; font-weight: 700; margin-bottom: var(--sp-2);
  letter-spacing: -.01em;
}
.feature-desc { font-size: 15px; color: var(--muted); line-height: 1.7; }

/* --- Steps -------------------------------------------------- */
.steps { border: 1px solid var(--border); background: var(--card-bg); }
.step {
  display: flex; gap: var(--sp-6);
  padding: var(--sp-8);
  border-bottom: 1px solid var(--border);
}
.step:last-child { border-bottom: none; }
.step-index {
  flex-shrink: 0;
  font-family: var(--mono); font-size: 14px; font-weight: 700;
  color: var(--amber-600); width: 30px; padding-top: 2px;
}
[data-theme="dark"] .step-index { color: var(--amber-400); }
.step-title { font-size: 16px; font-weight: 700; margin-bottom: var(--sp-2); }
.step-desc  { font-size: 15px; color: var(--muted); line-height: 1.75; }
.step-desc code {
  background: var(--code-bg); padding: 1px 5px;
  font-size: 14px; color: var(--code-color);
}

/* --- Code blocks -------------------------------------------- */
.pre-wrap {
  background: var(--dark-bg);
  border: 1px solid var(--dark-border);
  overflow-x: auto;
}
.pre-label {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--sp-3) var(--sp-5);
  border-bottom: 1px solid var(--dark-border);
  font-size: 12px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase;
  color: var(--stone-400);
  background: var(--dark-code-bg);
}
.pre-wrap pre {
  padding: var(--sp-5) var(--sp-6);
  font-size: 15px; line-height: 1.85;
  color: var(--amber-300);
  white-space: pre;
}
.pre-wrap code { font-size: 15px; line-height: 1.85; color: var(--amber-300); }

/* inline code */
code:not(pre code) {
  background: var(--code-bg);
  padding: 2px 7px;
  font-size: 14px;
  color: var(--code-color);
  border: 1px solid var(--border);
}

/* --- Table -------------------------------------------------- */
.tbl { width: 100%; border-collapse: collapse; }
.tbl th {
  text-align: left; padding: var(--sp-3) var(--sp-5);
  font-size: 12px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase;
  color: var(--muted);
  border-bottom: 2px solid var(--border-strong);
  background: var(--surface-2);
}
.tbl td {
  padding: var(--sp-4) var(--sp-5);
  font-size: 15px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.tbl tr:last-child td { border-bottom: none; }
.tbl tr:hover td { background: var(--surface-2); }
.tbl-wrap { border: 1px solid var(--border); overflow: hidden; }

/* Table mobile — stack columns */
@media (max-width: 600px) {
  .tbl thead { display: none; }
  .tbl tr {
    display: block; border-bottom: 2px solid var(--border);
    padding: var(--sp-4) 0;
  }
  .tbl td {
    display: flex; gap: var(--sp-3); align-items: center;
    border-bottom: none; padding: var(--sp-2) var(--sp-4);
    font-size: 14px;
  }
  .tbl td:before {
    content: attr(data-label);
    font-size: 11px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase;
    color: var(--muted); width: 75px; flex-shrink: 0;
  }
}

/* Method badges */
.badge {
  display: inline-block;
  font-family: var(--mono); font-size: 10px; font-weight: 700;
  padding: 2px 7px; letter-spacing: .05em;
  border: 1px solid transparent;
}
.badge-post { background: #fdf4ff; color: #7e22ce; border-color: #e9d5ff; }
.badge-get  { background: #f0fdf4; color: #15803d; border-color: #bbf7d0; }
.badge-paid { background: #fffbeb; color: var(--amber-600); border-color: var(--accent-border); }
.badge-free { background: #f0fdf4; color: #15803d; border-color: #bbf7d0; }
[data-theme="dark"] .badge-post { background: #2e1a3a; color: #d8b4fe; border-color: #6b21a8; }
[data-theme="dark"] .badge-get  { background: #14291c; color: #86efac; border-color: #166534; }
[data-theme="dark"] .badge-paid { background: var(--accent-light); color: var(--amber-400); border-color: var(--accent-border); }
[data-theme="dark"] .badge-free { background: #14291c; color: #86efac; border-color: #166534; }

/* Status badges */
.status-active  { display: inline-block; padding: 3px 11px; font-size: 14px; font-weight: 600; background: #f0fdf4; color: var(--green); border: 1px solid #bbf7d0; }
.status-revoked { display: inline-block; padding: 3px 11px; font-size: 14px; font-weight: 600; background: #fef2f2; color: var(--red);   border: 1px solid #fecaca; }
[data-theme="dark"] .status-active  { background: #14291c; border-color: #166534; }
[data-theme="dark"] .status-revoked { background: #2a1515; border-color: #7f1d1d; }

/* --- Detail rows -------------------------------------------- */
.detail-row {
  display: grid; grid-template-columns: 148px 1fr;
  gap: var(--sp-4); padding: var(--sp-4) 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}
.detail-row:last-child { border-bottom: none; }
.detail-key {
  font-size: 12px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase;
  color: var(--muted); padding-top: 2px;
}
.detail-val { font-size: 15px; word-break: break-all; line-height: 1.7; }

/* Tags */
.tag {
  display: inline-block; font-size: 13px; font-weight: 600;
  padding: 3px 10px;
  background: var(--code-bg); border: 1px solid var(--border);
  color: var(--muted); margin: 2px 2px 2px 0;
  letter-spacing: .03em;
}

/* --- Search / input ----------------------------------------- */
.search-wrap { display: flex; gap: 0; border: 1px solid var(--border-strong); }
.search-input {
  flex: 1; border: none; outline: none;
  padding: var(--sp-4) var(--sp-5);
  font-family: var(--mono); font-size: 15px;
  color: var(--text); background: var(--bg);
  min-width: 0;
}
.search-input::placeholder { color: var(--muted-2); }
.search-input:focus { background: var(--accent-light); }
[data-theme="dark"] .search-input:focus { background: var(--accent-light); }
.search-btn {
  padding: var(--sp-4) var(--sp-6);
  background: var(--stone-950); color: var(--white);
  font-size: 15px; font-weight: 700; cursor: pointer;
  border: none; white-space: nowrap;
}
[data-theme="dark"] .search-btn { background: var(--amber-400); color: var(--stone-950); }
.search-btn:hover { background: var(--stone-800); }
[data-theme="dark"] .search-btn:hover { background: var(--amber-500); }

/* --- Alerts ------------------------------------------------- */
.alert {
  padding: var(--sp-4) var(--sp-5);
  font-size: 15px; line-height: 1.7;
  border-left: 3px solid;
}
.alert-info  { background: #eff6ff; border-color: #3b82f6; color: #1e40af; }
.alert-warn  { background: var(--accent-light); border-color: var(--amber-400); color: var(--amber-900); }
.alert-error { background: #fef2f2; border-color: var(--red); color: #991b1b; }
[data-theme="dark"] .alert-info  { background: #0f1d33; color: #93c5fd; }
[data-theme="dark"] .alert-warn  { background: var(--accent-light); color: var(--amber-300); }
[data-theme="dark"] .alert-error { background: #2a1515; color: #fca5a5; }

/* --- Payment flow ------------------------------------------- */
.flow {
  display: flex; align-items: stretch;
  border: 1px solid var(--dark-border);
  overflow: hidden;
}
.flow-node {
  flex: 1; padding: var(--sp-5) var(--sp-4);
  border-right: 1px solid var(--dark-border);
  text-align: center;
}
.flow-node:last-child { border-right: none; }
.flow-node-label {
  font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--amber-400); margin-bottom: var(--sp-2);
}
.flow-node-desc { font-size: 14px; color: var(--stone-400); line-height: 1.6; }

/* --- Breadcrumb -------------------------------------------- */
.breadcrumb {
  display: flex; align-items: center; gap: var(--sp-2);
  font-size: 15px; color: var(--muted);
  margin-bottom: var(--sp-8);
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--text); }
.breadcrumb-sep { color: var(--muted-2); }

/* --- Not-found state --------------------------------------- */
.empty-state {
  padding: var(--sp-24) var(--sp-6);
  text-align: center;
  border: 1px solid var(--border);
  background: var(--surface);
}
.empty-icon {
  width: 56px; height: 56px;
  background: var(--code-bg); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto var(--sp-6);
  font-size: 24px;
}
.empty-title { font-size: 1.4rem; font-weight: 800; margin-bottom: var(--sp-3); }
.empty-desc  { font-size: 16px; color: var(--muted); max-width: 400px; margin: 0 auto var(--sp-6); line-height: 1.75; }

/* --- Divider ----------------------------------------------- */
.divider { border: none; border-top: 1px solid var(--border); margin: var(--sp-8) 0; }
.divider-dark { border-top-color: var(--dark-border); }

/* --- Footer ------------------------------------------------- */
.footer {
  border-top: 2px solid var(--stone-950);
  padding: var(--sp-12) 0;
  background: var(--stone-950);
  color: var(--stone-400);
}
[data-theme="dark"] .footer { border-top-color: var(--dark-border); background: #090908; }
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: var(--sp-4);
}
.footer-logo {
  display: flex; align-items: center; gap: var(--sp-2);
  font-weight: 800; font-size: 18px; color: var(--white);
}
.footer-links {
  display: flex; align-items: center; gap: var(--sp-5); flex-wrap: wrap;
}
.footer-links a { font-size: 15px; color: var(--stone-400); transition: color .12s; }
.footer-links a:hover { color: var(--white); }
.footer-copy { font-size: 14px; color: var(--stone-600); margin-top: var(--sp-8); }

/* ============================================================
   DEMO PANEL
   ============================================================ */
.demo-panel {
  border: 1px solid var(--border);
  background: var(--card-bg);
  overflow: hidden;
}
.demo-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
  overflow-x: auto;
}
.demo-tab {
  padding: var(--sp-3) var(--sp-5);
  font-size: 14px; font-weight: 600; letter-spacing: .01em;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  cursor: pointer; white-space: nowrap;
  background: none; border-top: none; border-left: none; border-right: none;
  transition: color .12s;
}
.demo-tab:hover { color: var(--text); }
.demo-tab.active {
  color: var(--amber-600); border-bottom-color: var(--amber-500);
}
[data-theme="dark"] .demo-tab.active { color: var(--amber-400); border-bottom-color: var(--amber-400); }

.demo-body {
  display: none; padding: var(--sp-6);
}
.demo-body.active { display: block; }

.demo-row {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--sp-4); align-items: end; margin-bottom: var(--sp-4);
}
@media (max-width: 640px) {
  .demo-row { grid-template-columns: 1fr; }
}

.demo-input-wrap { display: flex; flex-direction: column; gap: var(--sp-2); }
.demo-label {
  font-size: 12px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase;
  color: var(--muted);
}
.demo-input {
  width: 100%;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  padding: var(--sp-3) var(--sp-4);
  font-family: var(--mono); font-size: 14px;
  outline: none;
  transition: border-color .12s;
}
.demo-input:focus { border-color: var(--amber-400); }
.demo-input::placeholder { color: var(--muted-2); }
select.demo-input { cursor: pointer; }

.demo-actions {
  display: flex; gap: var(--sp-3); flex-wrap: wrap;
  margin-bottom: var(--sp-5);
}
.demo-note {
  font-size: 14px; color: var(--muted);
  padding: var(--sp-3) var(--sp-4);
  background: var(--accent-light);
  border-left: 3px solid var(--amber-400);
  margin-bottom: var(--sp-5);
  line-height: 1.6;
}
[data-theme="dark"] .demo-note { color: var(--amber-300); }

.demo-log {
  background: var(--dark-bg);
  border: 1px solid var(--dark-border);
  min-height: 140px;
  max-height: 320px;
  overflow-y: auto;
  font-family: var(--mono); font-size: 14px; line-height: 1.75;
  color: var(--stone-300);
}
.demo-log-inner { padding: var(--sp-4) var(--sp-5); }
.demo-log-line { display: flex; gap: var(--sp-3); align-items: baseline; }
.demo-log-ts { color: var(--stone-600); font-size: 12px; flex-shrink: 0; }
.demo-log-ok   { color: #86efac; }
.demo-log-err  { color: #fca5a5; }
.demo-log-info { color: var(--amber-300); }
.demo-log-dim  { color: var(--stone-500); }

.demo-result {
  margin-top: var(--sp-4);
  background: var(--dark-bg);
  border: 1px solid var(--dark-border);
  padding: var(--sp-4) var(--sp-5);
  font-family: var(--mono); font-size: 14px; line-height: 1.8;
  color: var(--amber-300);
  white-space: pre-wrap; word-break: break-all;
  min-height: 60px;
  max-height: 260px;
  overflow-y: auto;
  display: none;
}
.demo-result.show { display: block; }
.demo-spinner {
  display: none; align-items: center; gap: var(--sp-3);
  font-size: 14px; color: var(--muted); margin-bottom: var(--sp-3);
}
.demo-spinner.show { display: flex; }
.demo-spinner-ring {
  width: 16px; height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--amber-400);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

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

/* Two-column → single on tablet */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-16);
  align-items: start;
}
@media (max-width: 768px) {
  .two-col { grid-template-columns: 1fr; gap: var(--sp-8); }
}

.two-col-code {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-6);
}
@media (max-width: 720px) {
  .two-col-code { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  /* Stretch every full-bleed element to the viewport edge */
  .nav, .hero, .footer,
  .section, .section-sm, .section-alt, .section-dark,
  .demo-panel { width: 100%; max-width: 100%; }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    width: 100%;
    max-width: 100%;
  }
  .hero-stat  { min-width: unset; }
  .hero-stat:nth-child(2) { border-right: none; }
  .hero-stat:nth-child(3) { border-right: 1px solid var(--border); }
  .hero-stat:nth-child(4) { border-right: none; }

  /* Container — consistent side padding, never overflows */
  .container, .container-tight {
    padding: 0 var(--sp-5);
    max-width: 100%;
  }

  .nav-links .hide-sm { display: none; }
  .nav-hamburger { display: flex; }
  .detail-row { grid-template-columns: 1fr; gap: var(--sp-1); }
  .flow { flex-direction: column; }
  .flow-node { border-right: none; border-bottom: 1px solid var(--dark-border); }
  .flow-node:last-child { border-bottom: none; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: var(--sp-5); }
  .footer-links { flex-direction: column; gap: var(--sp-3); align-items: flex-start; }
  .section { padding: var(--sp-12) 0; }
  .hero-desc { font-size: 18px; }
  body { font-size: 16px; }

  /* Prevent code blocks from blowing out width */
  .pre-wrap, .pre-wrap pre { max-width: 100%; overflow-x: auto; word-break: break-all; white-space: pre-wrap; }
}

@media (max-width: 520px) {
  .hero h1 { font-size: 2.2rem; line-height: 1.28; }
  .hero-inner { padding: var(--sp-10) 0; }

  /* Tighter side padding on the smallest screens */
  .container, .container-tight { padding: 0 var(--sp-4); }

  .hero-stat  { padding: var(--sp-4) var(--sp-3); }
  .hero-stat:nth-child(2) { border-right: none; }
  .hero-stat:nth-child(3) { border-right: 1px solid var(--border); }
  .hero-stat:nth-child(4) { border-right: none; }
  .btn { padding: 10px 18px; font-size: 14px; }

  /* Make action buttons stack on very small screens */
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { text-align: center; justify-content: center; }

  /* Demo tabs scroll without clipping */
  .demo-tabs { overflow-x: auto; -webkit-overflow-scrolling: touch; }
}