/* howtotieashoe.com — "Eyelet Grid" design system
   Palette derived from shoe-care materials: oxblood polish, spruce wax, brass eyelet, bone canvas. */
:root{
  --ink:#191614;
  --ink-2:#4A423C;
  --paper:#E4E3DA;
  --paper-2:#EFEEE7;
  --card:#FBFAF5;
  --oxblood:#6E1F2A;
  --oxblood-lt:#8F3140;
  --spruce:#1A473D;
  --brass:#A8802E;
  --rule:#CFC7B7;
  --max:74rem;
  --r:2px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"Newsreader",Georgia,"Times New Roman",serif;
  font-size:1.0625rem;line-height:1.65;
  font-optical-sizing:auto;
}
img,svg{max-width:100%}
a{color:var(--oxblood);text-decoration-thickness:1px;text-underline-offset:2px}
a:hover{color:var(--oxblood-lt)}
:focus-visible{outline:3px solid var(--brass);outline-offset:2px}

h1,h2,h3,h4,.display{
  font-family:"Archivo","Helvetica Neue",Arial,sans-serif;
  font-weight:800;letter-spacing:-0.02em;line-height:1.06;margin:0 0 .5em;
  font-stretch:112%;
}
h1{font-size:clamp(2.1rem,6vw,3.6rem);text-transform:uppercase}
h2{font-size:clamp(1.5rem,3.4vw,2.1rem);text-transform:uppercase;letter-spacing:-0.01em}
h3{font-size:1.22rem;letter-spacing:0}
.mono,.eyebrow,.meta,.spec dt,.badge,.slot-tag,nav,footer .fine{
  font-family:"Azeret Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
.eyebrow{font-size:.66rem;letter-spacing:.22em;text-transform:uppercase;color:var(--spruce);font-weight:600;margin:0 0 .9rem}
.wrap{max-width:var(--max);margin:0 auto;padding:0 1.25rem}
.lede{font-size:1.18rem;line-height:1.6;color:var(--ink-2);max-width:60ch}

/* ---- masthead ---- */
.masthead{border-bottom:2px solid var(--ink);background:var(--paper-2)}
.masthead .bar{display:flex;align-items:center;gap:1rem;justify-content:space-between;padding:.9rem 0;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:.6rem;font-family:"Archivo",sans-serif;font-weight:800;
  text-transform:uppercase;letter-spacing:-.02em;font-size:1.05rem;color:var(--ink);text-decoration:none}
.brand svg{width:30px;height:30px;flex:none}
nav ul{display:flex;flex-wrap:wrap;gap:.15rem 1.1rem;list-style:none;margin:0;padding:0;font-size:.72rem;
  letter-spacing:.08em;text-transform:uppercase}
nav a{color:var(--ink-2);text-decoration:none;padding:.25rem 0;border-bottom:2px solid transparent}
nav a:hover,nav a[aria-current]{color:var(--oxblood);border-bottom-color:var(--oxblood)}

/* ---- hero ---- */
.hero{padding:3.2rem 0 2.4rem;border-bottom:1px solid var(--rule)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:2.5rem;align-items:center}
.hero .diagram{width:100%;max-width:150px}
.hero-art{display:flex;gap:.9rem;justify-content:flex-end;align-items:flex-start}
.hero-art > div{flex:1;min-width:0}
.count-rail{display:flex;gap:1.6rem;flex-wrap:wrap;margin-top:1.6rem;padding-top:1.1rem;border-top:1px solid var(--rule)}
.count-rail div{font-family:"Azeret Mono",monospace;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2)}
.count-rail b{display:block;font-family:"Archivo",sans-serif;font-size:1.7rem;color:var(--spruce);letter-spacing:-.03em}

/* ---- diagrams ---- */
.diagram{display:block;width:100%;max-width:150px;margin:0 auto}
.diagram .shoe{fill:#FFFDF8;stroke:var(--rule);stroke-width:1.5}
.diagram .lace{stroke:var(--oxblood);stroke-width:4;stroke-linecap:round;fill:none}
.diagram .lace.alt{stroke:var(--spruce)}
.diagram .lace.ghost{stroke:var(--rule);stroke-width:3;stroke-dasharray:5 6}
.diagram .eyelet{fill:#FFFDF8;stroke:var(--ink);stroke-width:2}
.diagram .knot{fill:var(--brass);stroke:var(--ink);stroke-width:1.5}
.diagram .node{fill:var(--paper-2);stroke:var(--oxblood);stroke-width:2}
.diagram .hook{stroke:var(--ink);stroke-width:2.5;fill:none}
.diagram .bow{fill:none;stroke:var(--oxblood);stroke-width:4;stroke-linejoin:round}

/* ---- category grid ---- */
.grid{display:grid;gap:1.1rem;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));margin:1.6rem 0 0;padding:0;list-style:none}
.tile{background:var(--card);border:1px solid var(--rule);border-left:4px solid var(--spruce);padding:1.15rem 1.2rem;display:flex;flex-direction:column;gap:.45rem}
.tile:hover{border-left-color:var(--oxblood)}
.tile h3{margin:0;font-size:1.06rem}
.tile a{text-decoration:none;color:var(--ink)}
.tile a:hover{color:var(--oxblood)}
.tile p{margin:0;font-size:.93rem;color:var(--ink-2);line-height:1.5}
.tile .count{font-family:"Azeret Mono",monospace;font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--brass)}

/* ---- pattern cards ---- */
.pattern{background:var(--card);border:1px solid var(--rule);padding:1.4rem;margin:1.1rem 0;
  display:grid;grid-template-columns:150px minmax(0,1fr);gap:1.5rem;scroll-margin-top:1rem}
.pattern > div{min-width:0}
.pattern h3{margin:.1rem 0 .35rem;font-size:1.28rem}
.badge{display:inline-block;font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;
  padding:.24rem .5rem;border:1px solid currentColor;margin:0 .35rem .5rem 0}
.b-easy{color:var(--spruce)}.b-medium{color:var(--brass)}.b-hard{color:var(--oxblood)}
.answer{margin:.2rem 0 .9rem;font-size:1.02rem;border-left:3px solid var(--brass);padding-left:.85rem;color:var(--ink)}
.pattern ol{margin:.4rem 0 .9rem;padding-left:1.2rem}
.pattern ol li{margin:.3rem 0;font-size:.98rem}
.pattern ol li::marker{font-family:"Azeret Mono",monospace;font-size:.8rem;color:var(--oxblood)}
.tip{font-size:.9rem;color:var(--ink-2);background:var(--paper-2);padding:.65rem .8rem;border-top:2px solid var(--spruce)}
.tip b{font-family:"Azeret Mono",monospace;font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--spruce)}

/* ---- spec block ---- */
.spec{display:grid;grid-template-columns:auto 1fr;gap:.2rem 1rem;margin:0 0 1rem;font-size:.9rem}
.spec dt{font-size:.63rem;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-2);padding-top:.2rem}
.spec dd{margin:0}

/* ---- sections & panels ---- */
section{padding:2.6rem 0}
section + section{border-top:1px solid var(--rule)}
.panel{background:var(--card);border:1px solid var(--rule);padding:1.5rem}
.two{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.4rem}
table{width:100%;border-collapse:collapse;font-size:.94rem;margin:1rem 0}
th,td{text-align:left;padding:.55rem .7rem;border-bottom:1px solid var(--rule)}
th{font-family:"Azeret Mono",monospace;font-size:.65rem;letter-spacing:.11em;text-transform:uppercase;color:var(--spruce)}
.faq dt{font-family:"Archivo",sans-serif;font-weight:700;margin:1.05rem 0 .25rem}
.faq dd{margin:0;color:var(--ink-2)}
.crumbs{font-family:"Azeret Mono",monospace;font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;
  padding:.8rem 0;color:var(--ink-2)}
.crumbs a{color:var(--ink-2)}
.jump{display:flex;flex-wrap:wrap;gap:.4rem;list-style:none;padding:0;margin:1.2rem 0 0}
.jump a{font-family:"Azeret Mono",monospace;font-size:.68rem;letter-spacing:.05em;text-decoration:none;
  border:1px solid var(--rule);background:var(--card);padding:.35rem .6rem;color:var(--ink-2)}
.jump a:hover{border-color:var(--oxblood);color:var(--oxblood)}

/* ---- monetisation slots ---- */
.slot{border:1px dashed var(--rule);background:var(--paper-2);padding:1rem;margin:1.6rem 0;text-align:center;min-height:110px;
  display:flex;flex-direction:column;justify-content:center;gap:.35rem}
.slot-tag{font-size:.6rem;letter-spacing:.16em;text-transform:uppercase;color:var(--brass)}
.slot-note{font-size:.78rem;color:var(--ink-2);font-family:"Azeret Mono",monospace}
.gear{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1rem;list-style:none;padding:0;margin:1.2rem 0 0}
.gear li{background:var(--card);border:1px solid var(--rule);border-top:3px solid var(--brass);padding:.9rem}
.gear h4{font-family:"Archivo",sans-serif;font-size:.98rem;margin:.1rem 0 .3rem}
.gear p{font-size:.85rem;color:var(--ink-2);margin:0 0 .6rem;line-height:1.45}
.gear a{font-family:"Azeret Mono",monospace;font-size:.68rem;letter-spacing:.07em;text-transform:uppercase}

/* ---- footer ---- */
footer{background:var(--ink);color:#D8D2C6;margin-top:2.5rem;padding:2.6rem 0 1.6rem}
footer h4{font-family:"Archivo",sans-serif;color:#fff;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;margin:0 0 .7rem}
footer a{color:#D8D2C6;text-decoration:none;font-size:.92rem}
footer a:hover{color:#fff;text-decoration:underline}
footer ul{list-style:none;margin:0;padding:0}
footer li{margin:.3rem 0}
.fcols{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:1.8rem}
footer .fine{font-size:.66rem;letter-spacing:.05em;color:#8E877A;border-top:1px solid #332E29;margin-top:1.8rem;padding-top:1.1rem;line-height:1.7}

@media (max-width:720px){
  .hero-grid{grid-template-columns:1fr}
  .hero-art{justify-content:flex-start}
  .pattern{grid-template-columns:1fr}
  .pattern .diagram{max-width:130px;margin:0}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}