/* ==========================================================================
   Halden Roofing & Exteriors — Rockford, IL
   Dark industrial / blueprint-grid. Committed palette: steel near-black + high-vis
   safety yellow (from the crew's harness). Anton display, Archivo body, Spline mono.
   Signature: the ridge line. All reveals are offline-safe (initial states set in JS).
   ========================================================================== */

/* ----- fonts ----- */
@font-face{font-family:'Anton';font-weight:400;font-style:normal;font-display:swap;
  src:url('fonts/anton-400.ttf') format('truetype')}
@font-face{font-family:'Archivo';font-weight:400;font-style:normal;font-display:swap;
  src:url('fonts/archivo-400.woff2') format('woff2')}
@font-face{font-family:'Archivo';font-weight:600;font-style:normal;font-display:swap;
  src:url('fonts/archivo-600.woff2') format('woff2')}
@font-face{font-family:'Archivo';font-weight:700;font-style:normal;font-display:swap;
  src:url('fonts/archivo-700.woff2') format('woff2')}
@font-face{font-family:'Spline Mono';font-weight:400;font-style:normal;font-display:swap;
  src:url('fonts/spline-sans-mono-400.woff2') format('woff2')}
@font-face{font-family:'Spline Mono';font-weight:600;font-style:normal;font-display:swap;
  src:url('fonts/spline-sans-mono-600.woff2') format('woff2')}

/* ----- tokens ----- */
:root{
  --bg:#15181C;          /* steel near-black, cool */
  --surface:#1E232A;     /* raised panel */
  --surface2:#262D36;    /* nested / inputs */
  --line:#2C333C;        /* hairline */
  --line2:#3A424D;       /* stronger rule */
  --ink:#EDEFF2;
  --ink-dim:#C3CAD3;
  --muted:#8A94A0;
  --accent:#E4E32A;      /* high-vis safety yellow <- crew harness/vest */
  --accent-deep:#B9B818; /* darker yellow for hairlines on light */
  --rust:#B5532A;        /* weathered-copper, rare second accent (borders / graphics) */
  --rust-lite:#E8814F;   /* brightened rust for error TEXT — 5.78:1 on --surface (AA) */

  --disp:'Anton',Impact,'Arial Narrow',sans-serif;
  --body:'Archivo',system-ui,sans-serif;
  --mono:'Spline Mono',ui-monospace,Menlo,monospace;

  --page:clamp(20px,5vw,64px);
  --max:1320px;
  --e:cubic-bezier(.22,1,.36,1);
  --e2:cubic-bezier(.16,1,.3,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:auto}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;
  line-height:1.62;font-weight:400;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;overflow-x:hidden;min-height:100dvh}
img,svg,picture{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:none}
input,textarea{font:inherit}
::selection{background:var(--accent);color:#15181C}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

h1,h2,h3{font-family:var(--disp);font-weight:400;text-transform:uppercase;
  line-height:.92;letter-spacing:-.03em;text-wrap:balance}
p{text-wrap:pretty}

.wrap{max-width:var(--max);margin-inline:auto;padding-inline:var(--page)}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.tnum{font-variant-numeric:tabular-nums}
.label{font-family:var(--mono);font-size:.72rem;font-weight:600;letter-spacing:.2em;
  text-transform:uppercase;color:var(--muted)}
.label .dot{color:var(--accent)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- reveal (offline-safe): CSS never hides content; JS sets hidden state ---------- */
.reveal.is-armed{opacity:0;transform:translateY(20px)}
.reveal.is-in{opacity:1;transform:none;
  transition:opacity .7s var(--e),transform .7s var(--e);
  transition-delay:calc(var(--i,0) * 60ms)}
@media (prefers-reduced-motion:reduce){
  .reveal.is-armed{opacity:0;transform:none}
  .reveal.is-in{transition:opacity .5s ease}
}

/* ============================ buttons ============================ */
.btn{display:inline-flex;align-items:center;gap:.7ch;font-family:var(--mono);font-weight:600;
  font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;padding:1.05rem 1.7rem;
  border:1.5px solid var(--line2);color:var(--ink);border-radius:0;
  transition:transform .18s var(--e),background .2s,color .2s,border-color .2s}
.btn .arw{transition:transform .3s var(--e)}
.btn:hover .arw{transform:translateX(4px)}
.btn:active{transform:scale(.97)}
.btn-accent{background:var(--accent);border-color:var(--accent);color:#15181C;font-weight:600}
.btn-line{background:transparent}
@media (hover:hover) and (pointer:fine){
  .btn-accent:hover{background:#f0ef44;border-color:#f0ef44}
  .btn-line:hover{background:var(--ink);color:var(--bg);border-color:var(--ink)}
}

/* ============================ nav ============================ */
.nav{position:fixed;inset:0 0 auto 0;z-index:60;border-bottom:1px solid transparent;
  transition:background .35s,border-color .35s,backdrop-filter .35s}
.nav.solid{background:rgba(21,24,28,.86);backdrop-filter:blur(14px);border-bottom-color:var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:1rem;
  height:74px;padding-inline:var(--page);max-width:var(--max);margin-inline:auto}
.brand{display:flex;align-items:center;gap:.6ch;font-family:var(--disp);font-size:1.35rem;
  letter-spacing:.01em;text-transform:uppercase;line-height:1}
.brand svg{width:30px;height:16px;flex:none;color:var(--accent)}
.brand b{font-weight:400;color:var(--ink)}
.brand .ex{color:var(--muted)}
.nav-links{display:flex;align-items:center;gap:clamp(1.2rem,2.4vw,2.3rem)}
.nav-links a.txt{font-family:var(--mono);font-size:.76rem;font-weight:600;letter-spacing:.06em;
  text-transform:uppercase;color:var(--ink-dim)}
.nav-links a.txt[aria-current="page"]{color:var(--accent)}
@media (hover:hover){.nav-links a.txt:hover{color:var(--ink)}}
.nav-phone{font-family:var(--mono);font-weight:600;font-size:.8rem;color:var(--ink);
  letter-spacing:.02em}
.nav-phone span{color:var(--accent)}

/* hamburger */
.burger{display:none;width:44px;height:44px;flex-direction:column;justify-content:center;
  align-items:center;gap:5px;border:1px solid var(--line2)}
.burger span{display:block;width:20px;height:2px;background:var(--ink);transition:transform .3s var(--e),opacity .2s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* mobile panel — closed state is fully removed from a11y tree via [hidden] */
.mobile-panel{position:fixed;inset:0;z-index:55;background:var(--bg);
  padding:100px var(--page) 3rem;display:flex;flex-direction:column}
.mobile-panel[hidden]{display:none}
.mobile-panel a{font-family:var(--disp);text-transform:uppercase;font-size:2.4rem;
  letter-spacing:-.02em;padding-block:.55rem;border-bottom:1px solid var(--line);color:var(--ink)}
.mobile-panel a .n{font-family:var(--mono);font-size:.8rem;color:var(--accent);
  vertical-align:top;margin-right:1ch}
.mobile-panel .m-cta{margin-top:2rem}
.mobile-panel .m-foot{margin-top:auto;font-family:var(--mono);font-size:.82rem;color:var(--muted);
  display:flex;flex-direction:column;gap:.4rem}
.mobile-panel .m-foot b{color:var(--ink);font-weight:600}

@media (max-width:820px){
  .nav-links{display:none}
  .burger{display:flex}
}

/* ============================ ridge divider (signature) ============================ */
.ridge{display:block;width:100%;height:auto;color:var(--line2)}
.ridge .peak{stroke:var(--accent)}
.ridge-band{padding-block:clamp(1.2rem,3vw,2.2rem)}

/* ============================ hero ============================ */
.hero{position:relative;min-height:100dvh;display:flex;align-items:flex-end;
  padding-top:120px;padding-bottom:clamp(2rem,5vw,3.5rem);overflow:hidden}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:center 38%}
.hero-scrim{position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(180deg,rgba(21,24,28,.72) 0%,rgba(21,24,28,.45) 34%,rgba(21,24,28,.86) 82%,var(--bg) 100%),
             linear-gradient(90deg,rgba(21,24,28,.8) 0%,rgba(21,24,28,.15) 62%,transparent 100%)}
.hero-in{position:relative;z-index:2;width:100%}
.hero .kicker{display:inline-flex;align-items:center;gap:.8ch;margin-bottom:1.6rem}
.hero .kicker .bar{width:34px;height:2px;background:var(--accent)}
.hero h1{font-size:clamp(3rem,10.5vw,6rem);max-width:16ch}
.hero h1 .ln{display:block;overflow:hidden}
.hero h1 .ln > span{display:block}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero .sub{margin-top:1.6rem;font-size:clamp(1.05rem,1.6vw,1.28rem);color:var(--ink-dim);
  max-width:46ch;line-height:1.5}
.hero .cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:1.2rem;margin-top:2.2rem}
.hero .respond{font-family:var(--mono);font-size:.82rem;color:var(--ink-dim);
  display:inline-flex;align-items:center;gap:.7ch}
.hero .respond .pulse{width:9px;height:9px;border-radius:50%;background:var(--accent);flex:none}
/* trust row — thin, not a stat block */
.trust{position:relative;z-index:2;margin-top:clamp(2.2rem,5vw,3.4rem);
  border-top:1px solid var(--line);padding-top:1.3rem;
  display:flex;flex-wrap:wrap;gap:.8rem 2.4rem;align-items:center}
.trust .t{display:inline-flex;align-items:center;gap:.7ch;font-family:var(--mono);
  font-size:.78rem;letter-spacing:.04em;color:var(--ink-dim)}
.trust .t svg{width:16px;height:16px;color:var(--accent);flex:none}

/* ============================ section scaffolding ============================ */
section{position:relative}
.band{padding-block:clamp(4rem,9vw,7.5rem)}
.sec-head{display:grid;gap:1.4rem;margin-bottom:clamp(2.4rem,5vw,4rem)}
@media (min-width:860px){.sec-head{grid-template-columns:1fr 1fr;align-items:end;gap:2.5rem}}
.sec-head .idx{font-family:var(--mono);font-size:.74rem;font-weight:600;letter-spacing:.18em;
  color:var(--accent);text-transform:uppercase;margin-bottom:1rem;display:block}
.sec-head h2{font-size:clamp(2.1rem,5.2vw,3.7rem);max-width:14ch}
.sec-head .lead{font-size:clamp(1.05rem,1.7vw,1.32rem);color:var(--ink-dim);max-width:44ch;line-height:1.5}
.sec-head .lead.bottom{align-self:end}

/* ============================ services — numbered structural list ============================ */
/* the signature ridge does structural work here: one continuous four-gable roofline
   caps the section and enumerates the four trades, not just a decorative divider. */
.svc-roofline{display:block;width:100%;height:auto;color:var(--line2);margin-bottom:-1px}
.svc-roofline .peak{stroke:var(--accent)}
.svc-list{border-top:1px solid var(--line2)}
.svc-list.roofed{border-top:none}
.svc{display:grid;grid-template-columns:auto 1fr;gap:1.4rem 1.8rem;align-items:baseline;
  padding-block:clamp(1.6rem,3.4vw,2.4rem);border-bottom:1px solid var(--line);position:relative;
  transition:background .3s}
@media (min-width:760px){.svc{grid-template-columns:auto minmax(0,1.1fr) minmax(0,1.4fr)}}
.svc .num{font-family:var(--disp);font-size:clamp(2rem,4vw,3rem);line-height:.8;color:var(--muted);
  transition:color .3s}
.svc h3{font-family:var(--disp);font-size:clamp(1.6rem,3vw,2.3rem);text-transform:uppercase;
  letter-spacing:-.02em;line-height:.95}
.svc .desc{color:var(--ink-dim);font-size:1rem;line-height:1.55;max-width:52ch}
.svc .desc .spec{display:block;margin-top:.7rem;font-family:var(--mono);font-size:.76rem;
  letter-spacing:.03em;color:var(--muted)}
.svc .desc .spec b{color:var(--accent);font-weight:600}
@media (hover:hover) and (pointer:fine){
  .svc:hover{background:var(--surface)}
  .svc:hover .num{color:var(--accent)}
}

/* ============================ signature scroll — before/after wipe ============================ */
.wipe-sec{padding-block:0;background:var(--bg)}
.wipe-stage{position:relative;width:100%;height:100dvh;overflow:hidden}
.wipe-layer{position:absolute;inset:0}
.wipe-layer img{width:100%;height:100%;object-fit:cover}
.wipe-after{z-index:1}
.wipe-before{z-index:2;clip-path:inset(0 0 0 0)}
.wipe-line{position:absolute;top:0;bottom:0;z-index:3;width:3px;background:var(--accent);
  box-shadow:0 0 24px rgba(228,227,42,.5);pointer-events:none;will-change:left}
.wipe-line .grip{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:46px;height:46px;border-radius:50%;background:var(--accent);display:flex;align-items:center;
  justify-content:center;color:#15181C;font-family:var(--mono);font-weight:600}
.wipe-tag{position:absolute;z-index:4;top:clamp(1.2rem,4vw,2.4rem);font-family:var(--mono);
  font-size:.74rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  padding:.5rem .9rem;background:rgba(21,24,28,.78);backdrop-filter:blur(4px);color:var(--ink)}
.wipe-tag.l{left:clamp(1.2rem,4vw,2.4rem)}
.wipe-tag.r{right:clamp(1.2rem,4vw,2.4rem);color:var(--accent)}
.wipe-caption{position:absolute;left:0;right:0;bottom:0;z-index:4;padding:var(--page);
  padding-bottom:clamp(2rem,5vw,3.2rem);
  background:linear-gradient(0deg,rgba(21,24,28,.92),transparent);pointer-events:none}
.wipe-caption h2{font-size:clamp(1.8rem,4.4vw,3.2rem);max-width:18ch}
.wipe-caption p{margin-top:.8rem;color:var(--ink-dim);max-width:44ch;font-size:1rem}

/* ============================ stat band (count-up) ============================ */
.stats{border-top:1px solid var(--line2);border-bottom:1px solid var(--line2)}
.stats-grid{display:grid;grid-template-columns:1fr;gap:0}
@media (min-width:680px){.stats-grid{grid-template-columns:repeat(3,1fr)}}
.stat{padding:clamp(2rem,4vw,3rem) 0;border-bottom:1px solid var(--line)}
@media (min-width:680px){
  .stat{padding-inline:clamp(1.5rem,3vw,2.6rem);border-bottom:none;border-left:1px solid var(--line)}
  .stat:first-child{border-left:none;padding-left:0}
}
.stat .fig{font-family:var(--disp);font-size:clamp(3.2rem,7vw,5.4rem);line-height:.86;
  color:var(--ink);letter-spacing:-.02em;display:flex;align-items:baseline;gap:.1ch}
.stat .fig .suf{color:var(--accent);font-size:.5em}
.stat .cap{margin-top:1rem;font-family:var(--body);font-size:.95rem;
  color:var(--ink-dim);line-height:1.5}
.stat .cap b{font-family:var(--mono);color:var(--ink);font-weight:600;display:block;text-transform:uppercase;
  letter-spacing:.06em;font-size:.78rem;margin-bottom:.35rem}

/* ============================ split feature (creds / proof) ============================ */
.split{display:grid;gap:clamp(2rem,4vw,3.5rem);align-items:center}
@media (min-width:900px){.split{grid-template-columns:1.05fr .95fr}}
.split.flip .fig-wrap{order:-1}
.fig-wrap{position:relative;overflow:hidden;background:var(--surface)}
.fig-wrap img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.fig-tag{position:absolute;left:0;bottom:0;font-family:var(--mono);font-size:.72rem;
  font-weight:600;letter-spacing:.08em;text-transform:uppercase;padding:.5rem .85rem;
  background:var(--accent);color:#15181C}
.split-body h2{font-size:clamp(1.9rem,4vw,3rem);margin-bottom:1.2rem;max-width:16ch}
.split-body p{color:var(--ink-dim);margin-bottom:1.1rem;max-width:52ch}
.spec-rows{margin-top:1.8rem;border-top:1px solid var(--line)}
.spec-rows .r{display:flex;justify-content:space-between;gap:1.5rem;padding-block:.9rem;
  border-bottom:1px solid var(--line);font-family:var(--mono);font-size:.86rem}
.spec-rows .r .k{color:var(--muted);letter-spacing:.03em}
.spec-rows .r .v{color:var(--ink);font-weight:600;text-align:right}
.spec-rows .r .v .hl{color:var(--accent)}

/* ============================ pull quote ============================ */
.quotes{display:grid;gap:clamp(1.5rem,3vw,2.4rem)}
@media (min-width:800px){.quotes{grid-template-columns:1fr 1fr}}
.quote{border-left:2px solid var(--accent);padding:1.6rem 0 1.6rem 1.8rem}
.quote blockquote{font-family:var(--disp);font-size:clamp(1.4rem,2.6vw,2rem);line-height:1.02;
  text-transform:uppercase;letter-spacing:-.02em;color:var(--ink)}
.quote cite{display:block;margin-top:1.2rem;font-family:var(--mono);font-size:.8rem;
  font-style:normal;color:var(--muted);letter-spacing:.03em}
.quote cite .stars{color:var(--accent);margin-right:.8ch}

/* ============================ projects gallery ============================ */
.proj-grid{display:grid;gap:clamp(1.2rem,2.5vw,2rem);grid-template-columns:1fr}
@media (min-width:720px){.proj-grid{grid-template-columns:1fr 1fr}}
.proj{position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--line)}
.proj .imgs{position:relative;aspect-ratio:4/3;overflow:hidden}
.proj .imgs img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.proj .imgs .after{clip-path:inset(0 0 0 50%);transition:clip-path .55s var(--e)}
.proj .divider{position:absolute;top:0;bottom:0;left:50%;width:2px;background:var(--accent);z-index:3;
  transition:left .55s var(--e)}
.proj .ba-tag{position:absolute;z-index:4;bottom:.7rem;font-family:var(--mono);font-size:.66rem;
  font-weight:600;letter-spacing:.1em;text-transform:uppercase;padding:.35rem .65rem;
  background:rgba(21,24,28,.82);color:var(--ink)}
.proj .ba-tag.l{left:.7rem}.proj .ba-tag.r{right:.7rem;color:var(--accent)}
@media (hover:hover) and (pointer:fine){
  .proj:hover .imgs .after{clip-path:inset(0 0 0 0)}
  .proj:hover .divider{left:100%}
}
.proj .meta{padding:1.3rem 1.4rem 1.5rem}
.proj .meta .loc{font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent);margin-bottom:.6rem;display:block}
.proj .meta h3{font-family:var(--disp);font-size:1.5rem;text-transform:uppercase;letter-spacing:-.02em;
  margin-bottom:.6rem;line-height:.98}
.proj .meta p{color:var(--ink-dim);font-size:.95rem;line-height:1.5}
.proj .meta .row{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem}
.proj .meta .chip{font-family:var(--mono);font-size:.68rem;letter-spacing:.05em;text-transform:uppercase;
  color:var(--muted);border:1px solid var(--line2);padding:.28rem .6rem}

/* ============================ service area — town list ============================ */
.area{display:grid;gap:clamp(2rem,4vw,3.5rem)}
@media (min-width:860px){.area{grid-template-columns:1fr 1.1fr;align-items:start}}
.towns{border-top:1px solid var(--line2)}
.town{display:flex;justify-content:space-between;align-items:baseline;gap:1.5rem;
  padding-block:1.1rem;border-bottom:1px solid var(--line)}
.town .name{font-family:var(--disp);font-size:clamp(1.5rem,3vw,2.2rem);text-transform:uppercase;
  letter-spacing:-.02em;line-height:1}
.town .zip{font-family:var(--mono);font-size:.78rem;color:var(--muted);letter-spacing:.05em}
.town .zip .drive{color:var(--ink-dim)}

/* ============================ contact / form ============================ */
.contact{display:grid;gap:clamp(2.4rem,5vw,4rem)}
@media (min-width:920px){.contact{grid-template-columns:1fr 1.15fr}}
.contact-info h2{font-size:clamp(2rem,4.4vw,3.2rem);margin-bottom:1.4rem;max-width:14ch}
.contact-info .lead{color:var(--ink-dim);margin-bottom:2rem;max-width:42ch}
.info-rows{border-top:1px solid var(--line)}
.info-rows .r{padding-block:1.2rem;border-bottom:1px solid var(--line)}
.info-rows .r .k{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);margin-bottom:.4rem}
.info-rows .r .v{font-size:1.05rem;color:var(--ink)}
.info-rows .r .v.big{font-family:var(--mono);font-weight:600;font-size:1.25rem}
.info-rows .r .v.big span{color:var(--accent)}
.info-rows .r .v a{border-bottom:1px solid var(--line2)}

.form-panel{background:var(--surface);border:1px solid var(--line);padding:clamp(1.6rem,3.5vw,2.6rem)}
.form-panel .fh{font-family:var(--mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);margin-bottom:.5rem}
.form-panel .ft{font-family:var(--disp);font-size:clamp(1.6rem,3vw,2.2rem);text-transform:uppercase;
  letter-spacing:-.02em;margin-bottom:1.8rem;line-height:.98}
.field{margin-bottom:1.3rem}
.field label{display:block;font-family:var(--mono);font-size:.74rem;letter-spacing:.06em;
  text-transform:uppercase;color:var(--ink-dim);margin-bottom:.55rem}
.field label .req{color:var(--accent)}
.field input,.field textarea{width:100%;background:var(--surface2);border:1px solid var(--line2);
  color:var(--ink);padding:.9rem 1rem;border-radius:0;transition:border-color .2s,box-shadow .2s}
.field input::placeholder,.field textarea::placeholder{color:var(--muted)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);
  box-shadow:0 0 0 1px var(--accent)}
.field textarea{min-height:120px;resize:vertical}
.field .err{display:none;margin-top:.5rem;font-family:var(--mono);font-size:.76rem;color:var(--rust-lite)}
.field.invalid input,.field.invalid textarea{border-color:var(--rust)}
.field.invalid .err{display:block}
.form-note{font-family:var(--mono);font-size:.78rem;color:var(--muted);margin-top:.4rem;
  display:flex;align-items:center;gap:.7ch}
.form-note .pulse{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:none}
.form-submit{margin-top:1.6rem;width:100%;justify-content:center}
.form-ok{display:none;padding:1.1rem 1.2rem;border:1px solid var(--accent);
  background:rgba(228,227,42,.08);font-family:var(--body);font-size:.98rem;line-height:1.5;color:var(--ink);margin-top:1.4rem}
.form-ok.show{display:block}

/* ============================ CTA band ============================ */
.cta-band{background:var(--accent);color:#15181C;padding-block:clamp(3.5rem,7vw,6rem)}
.cta-band .in{display:grid;gap:2rem}
@media (min-width:820px){.cta-band .in{grid-template-columns:1.5fr auto;align-items:center}}
.cta-band h2{color:#15181C;font-size:clamp(2.2rem,5vw,4rem);max-width:15ch}
.cta-band .sub{font-family:var(--body);font-size:1.02rem;line-height:1.5;color:#33330a;margin-top:1rem;max-width:44ch}
.cta-band .btn{border-color:#15181C;color:#15181C;background:transparent;justify-self:start}
@media (hover:hover) and (pointer:fine){
  .cta-band .btn:hover{background:#15181C;color:var(--accent);border-color:#15181C}
}
.cta-band .ridge{color:rgba(21,24,28,.35)}
.cta-band .ridge .peak{stroke:#15181C}

/* ============================ footer ============================ */
.foot{padding-block:clamp(3rem,6vw,5rem);border-top:1px solid var(--line)}
.foot-grid{display:grid;gap:2.5rem}
@media (min-width:760px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr}}
.foot .brand{margin-bottom:1.2rem}
.foot .about{color:var(--muted);font-size:.92rem;max-width:34ch;line-height:1.55}
.foot h4{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);margin-bottom:1.1rem;font-weight:600}
.foot ul{list-style:none;display:flex;flex-direction:column;gap:.7rem}
.foot ul a{color:var(--ink-dim);font-size:.94rem}
@media (hover:hover){.foot ul a:hover{color:var(--accent)}}
.foot .fine{margin-top:clamp(2.5rem,5vw,4rem);padding-top:1.4rem;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:.6rem 1.6rem;justify-content:space-between;
  font-family:var(--mono);font-size:.74rem;color:var(--muted)}
.foot .fine .lic span{color:var(--ink-dim)}

/* ============================ secondary page hero ============================ */
.page-hero{padding-top:150px;padding-bottom:clamp(2.5rem,5vw,4rem);position:relative;overflow:hidden}
.page-hero .grid{display:grid;gap:2.5rem;align-items:end}
@media (min-width:900px){.page-hero .grid{grid-template-columns:1.2fr .8fr}}
.page-hero .kicker{margin-bottom:1.4rem;display:inline-flex;align-items:center;gap:.8ch}
.page-hero .kicker .bar{width:34px;height:2px;background:var(--accent)}
.page-hero h1{font-size:clamp(2.8rem,8vw,5rem);max-width:15ch}
.page-hero .lead{margin-top:1.5rem;font-size:clamp(1.05rem,1.7vw,1.3rem);color:var(--ink-dim);
  max-width:48ch;line-height:1.5}
.page-hero .keyfact{border:1px solid var(--line2);padding:1.6rem 1.7rem;background:var(--surface)}
.page-hero .keyfact .k{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);margin-bottom:.7rem}
.page-hero .keyfact .big{font-family:var(--disp);font-size:clamp(2.4rem,4vw,3.4rem);line-height:.9;
  color:var(--ink);margin-bottom:.6rem}
.page-hero .keyfact .big span{color:var(--accent)}
.page-hero .keyfact p{font-size:.9rem;color:var(--ink-dim);line-height:1.5}

/* ============================ 404 ============================ */
.nf{min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:120px var(--page) 3rem;gap:1.6rem}
.nf svg.big-ridge{width:min(420px,80vw);height:auto;color:var(--line2)}
.nf svg.big-ridge .peak{stroke:var(--accent)}
.nf .code{font-family:var(--mono);font-size:.8rem;letter-spacing:.2em;text-transform:uppercase;color:var(--accent)}
.nf h1{font-size:clamp(2.8rem,9vw,5.5rem)}
.nf p{color:var(--ink-dim);max-width:40ch}

/* ============================ page-intro band write-ups (projects) ============================ */
.writeups{display:grid;gap:clamp(1.5rem,3vw,2.4rem)}
.writeup{display:grid;gap:1.5rem;padding-block:clamp(2rem,4vw,3rem);border-top:1px solid var(--line)}
@media (min-width:820px){.writeup{grid-template-columns:auto 1fr;gap:2.5rem}}
.writeup .wnum{font-family:var(--disp);font-size:clamp(2.2rem,4vw,3.2rem);color:var(--accent);line-height:.8}
.writeup h3{font-family:var(--disp);font-size:clamp(1.5rem,2.6vw,2.1rem);text-transform:uppercase;
  letter-spacing:-.02em;margin-bottom:.8rem;line-height:.98}
.writeup .loc{font-family:var(--mono);font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;
  color:var(--muted);margin-bottom:1rem;display:block}
.writeup p{color:var(--ink-dim);max-width:60ch;margin-bottom:.9rem}
.writeup .specline{margin-top:1.2rem;display:flex;flex-wrap:wrap;gap:.5rem 1.6rem;
  font-family:var(--mono);font-size:.78rem;color:var(--muted)}
.writeup .specline b{color:var(--accent);font-weight:600}

/* utility */
.mt-0{margin-top:0}