/* FRIXOS ANDREOU — drawing-set design system
   Paper/ink/gold. Cabinet Grotesk display, Switzer body, Spline Sans Mono data. */

@font-face{font-family:'Cabinet Grotesk';src:url('../fonts/CabinetGrotesk-Variable.woff2') format('woff2');font-weight:100 900;font-display:swap}
@font-face{font-family:'Switzer';src:url('../fonts/Switzer-Variable.woff2') format('woff2');font-weight:100 900;font-display:swap}
@font-face{font-family:'Spline Sans Mono';src:url('../fonts/SplineSansMono-Regular.woff2') format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'Spline Sans Mono';src:url('../fonts/SplineSansMono-Medium.woff2') format('woff2');font-weight:500;font-display:swap}

:root{
  --paper:#F7F5EE; --paper-2:#F0EDE3; --grid:#E9E5D8; --ink:#141414; --ink-2:#3A3833;
  --muted:#7C776C; --gold:#C89B3C; --gold-deep:#8A6414; --hair:#DEDBD3;
  --night:#0F1322; --night-2:#171D33; --starlight:#E8E4D8; --night-label:#8FA3C7;
  --mono:'Spline Sans Mono',ui-monospace,monospace;
  --disp:'Cabinet Grotesk',sans-serif;
  --body:'Switzer',system-ui,sans-serif;
  --frame:14px;
  --gutter:clamp(22px,5.5vw,96px);
}
*{margin:0;padding:0;box-sizing:border-box}
section[id]{scroll-margin-top:84px}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  background:var(--paper);color:var(--ink);font-family:var(--body);
  font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased;
}
::selection{background:var(--gold);color:var(--ink)}
:focus-visible{outline:2px solid var(--gold-deep);outline-offset:3px}

/* drawing-sheet frame */
.sheet-frame{position:fixed;inset:var(--frame);border:1px solid var(--ink);pointer-events:none;z-index:60;mix-blend-mode:multiply}
@media (max-width:720px){:root{--frame:8px}}

/* drafting grid on paper */
.grid-paper{
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),
                   linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:88px 88px;background-position:center top;
}

/* ---------- nav ---------- */
.nav{
  position:fixed;top:var(--frame);left:var(--frame);right:var(--frame);z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:14px var(--gutter) 12px;
  background:color-mix(in srgb,var(--paper) 88%,transparent);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--ink);
}
.nav .lockup{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.nav .lockup svg{width:30px;height:30px;flex:none}
.nav .lockup b{font-family:var(--disp);font-weight:800;font-size:15px;letter-spacing:.06em}
.nav .lockup span{font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--muted);display:block;margin-top:1px}
.nav ul{display:flex;gap:26px;list-style:none}
.nav ul a{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-decoration:none;color:var(--ink-2);padding:4px 2px;border-bottom:1px solid transparent}
.nav ul a:hover,.nav ul a:focus-visible{color:var(--ink);border-bottom-color:var(--gold)}
.nav ul a[aria-current="true"]{color:var(--ink);border-bottom-color:var(--ink)}
.nav ul .figno{display:none}

/* sheet-index disclosure (≤880px) */
.nav-toggle{display:none;font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--ink);
  background:transparent;border:1px solid var(--ink);padding:9px 13px;cursor:pointer;
  align-items:center;gap:10px;transition:background .2s,color .2s}
.nav-toggle:hover{background:var(--ink);color:var(--paper)}
.nav-toggle .x{position:relative;width:9px;height:9px;flex:none;transition:transform .25s}
.nav-toggle .x::before,.nav-toggle .x::after{content:'';position:absolute;background:currentColor}
.nav-toggle .x::before{left:0;right:0;top:4px;height:1px}
.nav-toggle .x::after{top:0;bottom:0;left:4px;width:1px}
.nav.open .nav-toggle .x{transform:rotate(45deg)}
@media (max-width:880px){
  .js .nav-toggle{display:inline-flex}
  .js .nav ul{display:none}
  .js .nav.open ul{
    display:block;position:absolute;top:100%;left:0;right:0;
    background:var(--paper);border-bottom:1px solid var(--ink);
  }
  .js .nav.open ul li+li{border-top:1px solid var(--hair)}
  .js .nav.open ul a{
    display:flex;align-items:baseline;gap:14px;padding:15px var(--gutter);
    font-size:12.5px;border-bottom:0
  }
  .js .nav.open ul a::after{content:'';flex:1;border-bottom:1px dotted var(--hair);transform:translateY(-3px)}
  .js .nav.open ul .figno{display:inline;font-size:10.5px;letter-spacing:.18em;color:var(--gold-deep);min-width:68px}
  .js .nav.open ul a[aria-current="true"]{background:var(--paper-2);color:var(--ink)}
  @media (prefers-reduced-motion:no-preference){
    .js .nav.open ul{animation:navdrop .22s cubic-bezier(.2,.6,.2,1) both}
  }
  /* no JS: keep every section reachable as a wrapped inline list */
  html:not(.js) .nav ul{flex-wrap:wrap;gap:10px 18px;justify-content:flex-end}
}
@keyframes navdrop{from{opacity:0;transform:translateY(-6px)}}

/* ---------- plates (sections) ---------- */
.plate{position:relative;padding:clamp(72px,11vh,120px) var(--gutter)}
.plate-head{display:flex;align-items:baseline;gap:18px;border-top:1px solid var(--ink);padding-top:14px;margin-bottom:clamp(36px,6vh,64px)}
.plate-head .fig{font-family:var(--mono);font-size:12px;letter-spacing:.22em;color:var(--gold-deep);white-space:nowrap}
.plate-head h2{font-family:var(--disp);font-weight:800;text-transform:uppercase;font-size:clamp(24px,3.4vw,40px);letter-spacing:.01em;line-height:1}
.plate-head .rule{flex:1;height:1px;background:var(--hair);align-self:center}
.plate-head .sheetno{font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--muted);white-space:nowrap}
@media (max-width:720px){.plate-head{flex-wrap:wrap;gap:10px}.plate-head .sheetno{display:none}}

/* ---------- hero ---------- */
.hero{min-height:100svh;display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);align-items:center;
  padding:calc(70px + var(--frame)) var(--gutter) 40px;gap:clamp(16px,3vw,56px)}
.hero-eyebrow{font-family:var(--mono);font-size:clamp(10.5px,1.3vw,12.5px);letter-spacing:.18em;color:var(--ink);display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.hero-eyebrow .dot{width:9px;height:9px;background:var(--gold);flex:none}
.hero h1{font-family:var(--disp);font-weight:800;text-transform:uppercase;
  font-size:clamp(54px,9.2vw,148px);line-height:.9;letter-spacing:-.015em;margin:20px 0 24px}
.hero h1>span{display:block}
.hero h1 .cycling{color:var(--gold-deep);-webkit-text-stroke:0}
.hero h1 .outline{color:transparent;-webkit-text-stroke:1.5px var(--ink)}
@supports not (-webkit-text-stroke:1px black){.hero h1 .outline{color:var(--ink);opacity:.35}}
.hero .tagline{font-family:var(--mono);font-size:clamp(11px,1.15vw,14px);letter-spacing:.28em;text-transform:uppercase;
  border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);padding:11px 2px;display:inline-block}
.hero .pos{margin-top:26px;font-size:clamp(16px,1.5vw,19px);line-height:1.6;max-width:42ch;color:var(--ink-2)}
.hero .myth-line{margin-top:12px;font-size:14.5px;font-style:italic;color:var(--muted)}
.hero .myth-line a{color:inherit;text-decoration:underline;text-decoration-color:var(--gold);text-underline-offset:4px}
.hero .myth-line a:hover,.hero .myth-line a:focus-visible{color:var(--ink)}
.hero .cta-row{margin-top:36px;display:flex;gap:20px;flex-wrap:wrap;align-items:center}
.btn{font-family:var(--disp);font-weight:700;font-size:15.5px;letter-spacing:.04em;text-decoration:none;
  padding:15px 32px;background:var(--ink);color:var(--paper);transition:background .2s,color .2s;border:1px solid var(--ink)}
.btn:hover,.btn:focus-visible{background:var(--gold);border-color:var(--gold);color:var(--ink)}
.link-plain{font-family:var(--mono);font-size:13px;letter-spacing:.1em;color:var(--ink);text-decoration:underline;text-underline-offset:5px;text-decoration-color:var(--gold)}
.link-plain:hover,.link-plain:focus-visible{text-decoration-thickness:2px}
.hero-draw{position:relative;height:min(74vh,660px)}
.hero-draw svg{width:100%;height:100%;overflow:visible}
.hero-draw .note{font-family:var(--mono);font-size:11px;fill:var(--muted);letter-spacing:.08em}
.titleblock{position:absolute;bottom:0;right:0;border:1px solid var(--ink);font-family:var(--mono);
  font-size:10.5px;letter-spacing:.13em;background:var(--paper)}
.titleblock div{padding:6px 12px;border-bottom:1px solid var(--ink)}
.titleblock div:last-child{border-bottom:0}
.titleblock b{font-weight:500;color:var(--gold-deep)}
@media (max-width:900px){
  .hero{grid-template-columns:1fr;grid-template-rows:auto auto;align-content:center;row-gap:8px;padding-top:calc(84px + var(--frame))}
  .hero-draw{order:-1;height:min(34svh,300px)}
  .titleblock{display:none}
  .hero h1{font-size:clamp(50px,13.5vw,84px)}
  .hero .cta-row{margin-top:28px}
}

/* ---------- proof / evidence ---------- */
.case{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(28px,4.5vw,72px);align-items:start}
.case-title{font-family:var(--disp);font-weight:800;font-size:clamp(34px,4.2vw,54px);line-height:1;letter-spacing:-.01em}
.case-title a{color:inherit;text-decoration:none;border-bottom:3px solid var(--gold)}
.case-title a:hover,.case-title a:focus-visible{border-bottom-color:var(--ink)}
.case-kicker{font-family:var(--mono);font-size:11.5px;letter-spacing:.2em;color:var(--gold-deep);margin-bottom:14px}
.case-desc{margin-top:18px;color:var(--ink-2);max-width:52ch}
.case-desc b{color:var(--ink);font-weight:600}
.case-quote{margin-top:22px;padding-left:18px;border-left:2px solid var(--gold);font-style:italic;color:var(--ink-2);max-width:46ch}
.case-meta{margin-top:22px;font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--muted);line-height:2}
.evidence{border:1px solid var(--ink);background:var(--paper)}
.evidence caption{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-align:left;
  padding:10px 16px;border:1px solid var(--ink);border-bottom:0;background:var(--ink);color:var(--paper)}
.evidence table{width:100%;border-collapse:collapse;table-layout:fixed}
.evidence th:nth-child(1){width:32%}.evidence th:nth-child(2){width:46%}.evidence th:nth-child(3){width:22%}
.evidence th{font-family:var(--mono);font-weight:500;font-size:10.5px;letter-spacing:.16em;text-align:left;color:var(--muted);
  padding:12px 16px;border-bottom:1px solid var(--ink)}
.evidence td{padding:13px 16px;border-bottom:1px solid var(--hair);vertical-align:top}
.evidence tr:last-child td{border-bottom:0}
.evidence .ds{font-weight:600;font-size:15px}
.evidence .ds small{display:block;font-weight:400;font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:var(--muted);margin-top:3px}
.evidence .num{font-family:var(--mono);font-size:13.5px;line-height:1.7}
.evidence .num b{font-weight:500;color:var(--gold-deep)}
.evidence-foot{font-size:13.5px;color:var(--muted);padding:14px 16px;border-top:1px solid var(--ink);line-height:1.6}
.evidence-foot b{color:var(--ink-2);font-weight:500}
.proof-cards{display:grid;grid-template-columns:1fr 1fr;gap:clamp(18px,2.5vw,32px);margin-top:clamp(40px,6vh,64px)}
.pcard{border:1px solid var(--ink);padding:24px 26px;background:var(--paper);transition:box-shadow .25s}
.pcard:hover{box-shadow:4px 4px 0 var(--gold)}
.pcard .k{font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;color:var(--gold-deep)}
.pcard h3{font-family:var(--disp);font-weight:700;font-size:21px;margin:10px 0 8px}
.pcard p{font-size:15px;color:var(--ink-2)}
@media (max-width:900px){.case{grid-template-columns:minmax(0,1fr)}.proof-cards{grid-template-columns:minmax(0,1fr)}}
@media (max-width:720px){
  .evidence-scroll{overflow-x:auto;margin:0 calc(-1*var(--gutter));padding:0 var(--gutter)}
  .evidence{min-width:560px}
}

/* ---------- myth plate (dark) ---------- */
.plate-night{background:var(--night);color:var(--starlight);overflow:hidden}
.plate-night>.stars{position:absolute;inset:0;pointer-events:none}
.plate-night>*{position:relative}
.plate-night>.stars{position:absolute}
.plate-night .plate-head{border-top-color:var(--starlight)}
.plate-night .plate-head h2{color:var(--starlight)}
.plate-night .plate-head .fig{color:var(--gold)}
.plate-night .plate-head .rule{background:#2A3654}
.plate-night .plate-head .sheetno{color:var(--night-label)}
.myth{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,5vw,80px);align-items:center}
.myth-story h3{font-family:var(--disp);font-weight:700;font-size:clamp(26px,3.2vw,40px);line-height:1.15;letter-spacing:0;max-width:18ch}
.myth-story h3 em{font-style:italic;color:var(--gold)}
.myth-story p{margin-top:20px;color:#B9BFCF;max-width:50ch;font-weight:300}
.myth-story p b{color:var(--starlight);font-weight:500}
.myth-story .gr{font-family:var(--mono);font-size:12px;letter-spacing:.3em;color:var(--night-label);margin-bottom:16px}
.myth-chart{position:relative}
.myth-chart svg{width:100%;height:auto;overflow:visible;filter:drop-shadow(0 0 10px rgba(239,203,110,.4)) drop-shadow(0 0 38px rgba(200,155,60,.26))}
.myth-chart .cap{margin-top:10px;text-align:center;font-family:var(--mono);font-size:11px;letter-spacing:.22em;color:var(--night-label)}
.specimen{margin-top:clamp(40px,7vh,72px);display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,5vw,80px);align-items:center}
.specimen-media{position:relative;border:1px solid #2A3654;background:#000}
.specimen-media video,.specimen-media img{display:block;width:100%;height:auto}
.specimen-media .tag{position:absolute;top:0;left:0;font-family:var(--mono);font-size:10px;letter-spacing:.2em;
  background:var(--night);color:var(--gold);padding:6px 10px;border-right:1px solid #2A3654;border-bottom:1px solid #2A3654}
.specimen-note{font-size:15px;color:#B9BFCF;font-weight:300;max-width:44ch}
.specimen-note .k{font-family:var(--mono);font-size:11px;letter-spacing:.22em;color:var(--gold);display:block;margin-bottom:12px}
@media (max-width:900px){.myth,.specimen{grid-template-columns:minmax(0,1fr)}}

/* ---------- method ---------- */
.method-intro{max-width:56ch;color:var(--ink-2);margin-bottom:clamp(36px,6vh,60px);font-size:clamp(16px,1.5vw,19px)}
.steps{counter-reset:step;border-top:1px solid var(--ink)}
.step{display:grid;grid-template-columns:110px minmax(0,340px) minmax(0,1fr);gap:clamp(14px,3vw,48px);
  padding:26px 0;border-bottom:1px solid var(--hair);align-items:baseline}
.step:last-child{border-bottom:1px solid var(--ink)}
.step .no{font-family:var(--mono);font-size:13px;letter-spacing:.18em;color:var(--gold-deep)}
.step h3{font-family:var(--disp);font-weight:700;font-size:clamp(19px,2vw,24px);letter-spacing:.01em}
.step p{color:var(--ink-2);font-size:15.5px;max-width:56ch}
@media (max-width:820px){.step{grid-template-columns:64px 1fr;grid-template-rows:auto auto}.step p{grid-column:2}}

/* ---------- record ---------- */
.record{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4.5vw,72px)}
.rcol .rhead{font-family:var(--mono);font-size:11.5px;letter-spacing:.22em;color:var(--gold-deep);
  border-bottom:1px solid var(--ink);padding-bottom:10px;margin-bottom:6px}
.rrow{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;padding:18px 0;border-bottom:1px solid var(--hair);align-items:baseline}
.rrow h3{font-family:var(--disp);font-weight:700;font-size:19px}
.rrow p{font-size:14.5px;color:var(--ink-2);margin-top:4px}
.rrow .when{font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:var(--muted);white-space:nowrap}
.rrow .when b{color:var(--gold-deep);font-weight:500}
.strengths{margin-top:clamp(36px,6vh,56px);border:1px solid var(--ink);padding:22px 26px;display:flex;gap:22px;align-items:baseline;flex-wrap:wrap;background:var(--paper-2)}
.strengths .k{font-family:var(--mono);font-size:11px;letter-spacing:.22em;color:var(--gold-deep);white-space:nowrap}
.strengths p{font-size:15.5px;color:var(--ink-2);max-width:70ch}
@media (max-width:820px){.record{grid-template-columns:minmax(0,1fr)}}

/* ---------- contact ---------- */
.contact{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(28px,5vw,80px);align-items:center}
.portrait{position:relative;max-width:380px}
.portrait img{display:block;width:100%;height:auto;filter:grayscale(1) contrast(1.02);border:1px solid var(--ink)}
.portrait .pcap{font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;color:var(--muted);margin-top:10px;display:flex;justify-content:space-between}
.contact-copy h3{font-family:var(--disp);font-weight:800;font-size:clamp(30px,4vw,52px);line-height:1.05;letter-spacing:-.01em;max-width:16ch}
.contact-copy h3 em{font-style:normal;color:var(--gold-deep)}
.contact-copy .sub{margin-top:18px;color:var(--ink-2);max-width:46ch}
.contact-copy .cta-row{margin-top:32px;display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.contact-copy .loc{margin-top:26px;font-family:var(--mono);font-size:12px;letter-spacing:.16em;color:var(--muted)}
.copied{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--gold-deep);opacity:0;transition:opacity .3s}
.copied.show{opacity:1}
@media (max-width:820px){.contact{grid-template-columns:minmax(0,1fr)}.portrait{max-width:300px}}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--ink);padding:26px var(--gutter) calc(26px + var(--frame));
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;align-items:center}
footer .fm{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--muted)}
footer .fm a{color:inherit}
footer svg{width:22px;height:22px;opacity:.9}

/* ---------- reveals (JS-gated: content never hides without JS) ---------- */
@media (prefers-reduced-motion:no-preference){
  .js .reveal{opacity:0;transform:translateY(18px);transition:opacity .7s cubic-bezier(.2,.6,.2,1),transform .7s cubic-bezier(.2,.6,.2,1)}
  .js .reveal.in{opacity:1;transform:none}
  .js .reveal-d1{transition-delay:.08s}.js .reveal-d2{transition-delay:.16s}.js .reveal-d3{transition-delay:.24s}
}
/* deterministic screenshot mode (?snap): final state, no motion */
.snap *{transition:none !important;animation:none !important}
.snap .reveal{opacity:1 !important;transform:none !important}

/* small-screen typography discipline */
@media (max-width:480px){
  .hero .tagline{letter-spacing:.16em;font-size:10.5px}
  .hero-eyebrow{letter-spacing:.14em}
  .hero-draw .note{display:none}
  .nav .lockup span span{display:none}
}