/* ============================================================
   PARALLEL MEDIA — production design system
   Editorial / trading-desk aesthetic. Light canvas, ink accents.
   Every layout is fully responsive (designs shipped desktop-only).
   ============================================================ */

:root{
  /* palette */
  --bg:#F7F7F4;
  --ink:#141412;
  --ink2:#2A2A26;
  --card:#FBFBF9;
  --panel:#F1F1EC;
  --muted:#6E6E67;
  --muted2:#8B8B84;
  --faint:#A6A69E;
  --accent:#D89A55;
  --accent-deep:#9C6430;
  --accent-red:#B4502E;
  --line:rgba(20,20,18,.12);
  --line-2:rgba(20,20,18,.18);
  --line-3:rgba(20,20,18,.20);
  --hair:rgba(20,20,18,.08);
  /* on ink (dark sections) */
  --on-ink:#F7F7F4;
  --on-ink-70:rgba(247,247,244,.7);
  --on-ink-60:rgba(247,247,244,.6);
  --on-ink-50:rgba(247,247,244,.5);
  --on-ink-40:rgba(247,247,244,.4);
  --line-ink:rgba(247,247,244,.14);
  /* type */
  --mono:'IBM Plex Mono',ui-monospace,'SFMono-Regular',Menlo,monospace;
  --sans:'Helvetica Neue','Archivo',Helvetica,Arial,sans-serif;
  --serif:'Instrument Serif',Georgia,'Times New Roman',serif;
  /* metrics */
  --pad:48px;
  --nav-h:68px;
}

*{box-sizing:border-box}
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
html,body{ overflow-x:clip; }
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none}
button{font-family:inherit}
::selection{background:var(--accent);color:var(--ink)}

/* ---- fluid gutter ---- */
@media (max-width:1024px){ :root{ --pad:32px; } }
@media (max-width:600px){ :root{ --pad:20px; } }

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:sticky;top:0;z-index:100;
  background:rgba(247,247,244,.86);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav__inner{
  display:flex;align-items:center;gap:28px;
  height:var(--nav-h);padding:0 var(--pad);
}
.wordmark{display:flex;align-items:center;gap:8px;color:var(--ink);flex:none}
.wordmark:hover{text-decoration:none}
.wordmark__bars{display:flex;gap:3px}
.wordmark__bars i{width:1px;height:12px;background:currentColor;display:block}
.wordmark__text{font-size:13px;font-weight:600;letter-spacing:.22em}
.nav__spacer{flex:1}
.nav__links{display:flex;align-items:center;gap:28px}
.nav__link{
  font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--muted2);white-space:nowrap;padding-bottom:2px;
  border-bottom:1px solid transparent;transition:color .15s;
}
.nav__link:hover{color:var(--ink);text-decoration:none}
.nav__link.is-active{color:var(--ink);border-bottom-color:var(--ink)}
.nav__cta{
  padding:11px 20px;background:var(--ink);color:var(--on-ink);
  font-size:10.5px;font-weight:500;letter-spacing:.19em;text-transform:uppercase;white-space:nowrap;
  transition:background .15s;
}
.nav__cta:hover{background:#000;text-decoration:none;color:var(--on-ink)}
.nav__toggle{
  display:none;flex:none;width:40px;height:40px;margin:-8px -8px -8px 0;
  background:none;border:0;cursor:pointer;align-items:center;justify-content:center;
}
.nav__toggle span{position:relative;width:20px;height:12px;display:block}
.nav__toggle span::before,.nav__toggle span::after,.nav__toggle span i{
  content:"";position:absolute;left:0;width:100%;height:1.5px;background:var(--ink);transition:.2s;
}
.nav__toggle span::before{top:0}
.nav__toggle span i{top:5px}
.nav__toggle span::after{top:10px}
.nav.is-open .nav__toggle span::before{top:5px;transform:rotate(45deg)}
.nav.is-open .nav__toggle span i{opacity:0}
.nav.is-open .nav__toggle span::after{top:5px;transform:rotate(-45deg)}

.mobile-menu{
  display:none;flex-direction:column;
  position:fixed;top:var(--nav-h);left:0;right:0;z-index:99;
  border-bottom:1px solid var(--line);background:var(--bg);
  box-shadow:0 18px 40px -24px rgba(20,20,18,.5);
}
.mobile-menu a{
  padding:16px var(--pad);border-top:1px solid var(--line);
  font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);
}
.mobile-menu a.mobile-menu__cta{background:var(--ink);color:var(--on-ink);border-top:0}
.nav.is-open + .mobile-menu{display:flex}

@media (max-width:820px){
  .nav__links{display:none}
  .nav__toggle{display:flex}
  .nav__inner{gap:16px}
}

/* ============================================================
   SECTION SCAFFOLD
   ============================================================ */
.section{padding:56px var(--pad) 60px;border-bottom:1px solid var(--line);position:relative}
.section--tight{padding:44px var(--pad) 48px}
.section--ink{background:var(--ink);color:var(--on-ink);border-bottom:0}
.section--ink .eyebrow{color:var(--on-ink-40)}
.section--ink .rule{background:var(--line-ink)}

@media (max-width:600px){ .section{padding:40px var(--pad) 44px} }

.section-head{display:flex;align-items:center;gap:14px;margin-bottom:28px}
.section-head--tight{margin-bottom:16px}
.eyebrow{
  font-family:var(--mono);font-size:9px;letter-spacing:.24em;text-transform:uppercase;
  color:var(--muted2);line-height:1.5;
}
.eyebrow--ink{color:var(--ink)}
.eyebrow--accent{color:var(--accent)}
.rule{flex:1;height:1px;background:var(--line);min-width:12px}
.section-head .meta{font-family:var(--mono);font-size:9px;letter-spacing:.14em;color:var(--muted2);text-transform:uppercase;white-space:nowrap}
/* the supplementary right-side meta can't fit next to the eyebrow on a phone — hide it there */
@media (max-width:640px){ .section-head .meta{display:none} }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
.serif{font-family:var(--serif);font-style:italic;font-weight:400;letter-spacing:0}

.h-hero{font-size:clamp(46px,9vw,112px);font-weight:200;line-height:1.06;letter-spacing:-.045em;margin:0;padding-bottom:.04em}
.h-page{font-size:clamp(40px,8vw,104px);font-weight:200;line-height:1.02;letter-spacing:-.04em;margin:0}
.h-1{font-size:clamp(34px,6.4vw,80px);font-weight:200;line-height:1.05;letter-spacing:-.035em;margin:0}
.h-2{font-size:clamp(28px,4.6vw,52px);font-weight:200;line-height:1.12;letter-spacing:-.025em;margin:0}
.h-3{font-size:clamp(25px,3.6vw,38px);font-weight:200;line-height:1.08;letter-spacing:-.02em;margin:0}
.h-4{font-size:clamp(19px,2.4vw,23px);font-weight:400;line-height:1.2;margin:0}
.h-5{font-size:clamp(17px,2vw,20px);font-weight:400;line-height:1.25;margin:0}

.lede{font-size:clamp(15px,1.7vw,17px);font-weight:300;line-height:1.6;color:var(--muted)}
.lede strong,.lede b{color:var(--ink);font-weight:400}
.body{font-size:clamp(13.5px,1.4vw,14px);font-weight:300;line-height:1.65;color:var(--muted)}
.body strong,.body b{color:var(--ink);font-weight:400}
.small{font-size:13px;font-weight:300;line-height:1.6;color:var(--muted)}
.muted{color:var(--muted)}
.mono{font-family:var(--mono)}
.tag-row{display:flex;gap:8px;flex-wrap:wrap}
.tag{
  font-family:var(--mono);font-size:8.5px;letter-spacing:.13em;text-transform:uppercase;
  padding:5px 10px;border:1px solid var(--line-3);color:var(--ink);white-space:nowrap;
}
/* proper-noun chips (tech-stack names keep their real casing: FastAPI, IPRoyal, ElevenLabs) */
.tag--proper,.tag-row--proper .tag{text-transform:none;letter-spacing:.02em;font-size:10px;padding:8px 12px}

/* ink variants */
.section--ink .lede{color:var(--on-ink-60)}
.section--ink .lede strong{color:var(--on-ink)}
.section--ink .body{color:var(--on-ink-60)}
.section--ink .body strong{color:var(--on-ink)}

/* ============================================================
   BUTTONS + LINKS
   ============================================================ */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:15px 26px;background:var(--ink);color:var(--on-ink);
  font-size:10.5px;font-weight:500;letter-spacing:.19em;text-transform:uppercase;
  cursor:pointer;border:1px solid var(--ink);transition:background .15s,color .15s;white-space:nowrap;
}
.btn:hover{background:#000;color:var(--on-ink);text-decoration:none}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line-3)}
.btn--ghost:hover{background:#fff;border-color:var(--ink);color:var(--ink)}
.btn--light{background:var(--on-ink);color:var(--ink);border-color:var(--on-ink)}
.btn--light:hover{background:#fff;color:var(--ink)}
.link-u{
  font-size:12px;font-weight:500;text-decoration:underline;text-underline-offset:4px;
  color:var(--ink);cursor:pointer;
}
.link-u:hover{opacity:.6;text-decoration:underline}
.back-link{
  font-family:var(--mono);font-size:9px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted2);
  display:inline-flex;align-items:center;gap:7px;
}
.back-link:hover{color:var(--ink);text-decoration:none}
.back-link .arw{font-size:12px}

/* ============================================================
   TILES (gradient "creative" placeholders) + CARDS
   ============================================================ */
.tile{position:relative;overflow:hidden;background:var(--panel)}
/* named gradient palettes reused across the site */
.g-amber{background:radial-gradient(140% 120% at 50% -20%,#F2CA92 0%,#D89A55 55%,#7C4E22 100%)}
.g-slate{background:radial-gradient(140% 120% at 50% -20%,#D9E4EC 0%,#8FA6B8 55%,#33434F 100%)}
.g-sage{background:radial-gradient(140% 120% at 50% -20%,#E9EEDF 0%,#96A88C 55%,#3D4A37 100%)}
.g-mauve{background:radial-gradient(140% 120% at 50% -20%,#EFDCE2 0%,#C09AA8 55%,#5C3A46 100%)}
.g-sand{background:radial-gradient(140% 120% at 50% -20%,#F8F3EA 0%,#DCCFBB 55%,#8F8272 100%)}
.g-plum{background:radial-gradient(140% 120% at 50% -20%,#E6D9EF 0%,#A98FC0 55%,#46345C 100%)}
.g-rust{background:radial-gradient(140% 120% at 50% -20%,#F2CA92 0%,#C6693F 55%,#5C2E14 100%)}

.card{border:1px solid var(--line-3);background:var(--card);padding:24px}
.card--flat{background:var(--card)}
.hoverable{transition:background .15s}
.hoverable:hover{background:#fff}

/* ============================================================
   RESPONSIVE GRID HELPERS
   ============================================================ */
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-6{grid-template-columns:repeat(6,1fr)}
.gap-0{gap:0}

@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-6{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:820px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:600px){
  .grid-2,.grid-3,.grid-4,.grid-6{grid-template-columns:1fr}
}

/* bordered grid (cells share hairlines — clean single outer border) */
.bgrid{display:grid;border-top:1px solid var(--line-2);border-left:1px solid var(--line-2)}
.bgrid > *{border-right:1px solid var(--line-2);border-bottom:1px solid var(--line-2)}

/* header split (big head + supporting copy) */
.head-split{display:flex;gap:48px;align-items:flex-end}
.head-split .support{max-width:400px;flex:none}
@media (max-width:900px){
  .head-split{flex-direction:column;align-items:flex-start;gap:20px}
  .head-split .support{max-width:640px}
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{background:var(--ink);color:var(--on-ink);padding:72px var(--pad) 40px}
.footer--tall{padding-top:80px}
.footer__top{display:flex;align-items:flex-end;gap:48px;margin-bottom:64px}
.footer__email{
  font-size:clamp(34px,6.5vw,72px);font-weight:200;letter-spacing:-.04em;color:var(--on-ink);line-height:1;
  word-break:break-word;
}
.footer__email:hover{opacity:.7;text-decoration:none;color:var(--on-ink)}
.footer__email .serif{font-weight:400}
.footer__spacer{flex:1}
.footer__cta{
  padding:16px 28px;background:var(--on-ink);color:var(--ink);
  font-size:11px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;flex:none;white-space:nowrap;
}
.footer__cta:hover{background:#fff;color:var(--ink);text-decoration:none}
.footer__bar{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  border-top:1px solid var(--line-ink);padding-top:22px;
}
.footer__mark{display:flex;align-items:center;gap:8px}
.footer__mark .wordmark__bars i{background:var(--on-ink);height:11px}
.footer__mark span{font-size:11px;font-weight:600;letter-spacing:.22em}
.footer__meta{font-family:var(--mono);font-size:9px;letter-spacing:.14em;text-transform:uppercase;color:var(--on-ink-40)}
.footer__year{margin-left:auto}

@media (max-width:700px){
  .footer__top{flex-direction:column;align-items:flex-start;gap:28px;margin-bottom:44px}
  .footer__spacer{display:none}
}

/* ============================================================
   ANIMATIONS (respect reduced-motion)
   ============================================================ */
@keyframes pReveal{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes pPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.3;transform:scale(.7)}}
@keyframes pMarq{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@keyframes pScan{0%{top:-14%;opacity:0}8%{opacity:.9}90%{opacity:.9}100%{top:112%;opacity:0}}
@keyframes pBar{from{transform:scaleY(0)}to{transform:scaleY(1)}}
@keyframes pZoom{from{transform:scale(1)}to{transform:scale(1.09)}}
@keyframes pDash{to{stroke-dashoffset:0}}
.reveal{animation:pReveal .7s ease both}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}

/* ============================================================
   FORM CONTROLS (shared by functional pages)
   ============================================================ */
input[type=range]{
  -webkit-appearance:none;appearance:none;width:100%;height:2px;
  background:rgba(20,20,18,.2);outline:none;cursor:pointer;
}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:16px;height:16px;background:var(--ink);cursor:pointer;border-radius:0;border:0}
input[type=range]::-moz-range-thumb{width:16px;height:16px;background:var(--ink);cursor:pointer;border:none;border-radius:0}
.pxnum{font-family:var(--mono)}
.pxnum::-webkit-outer-spin-button,.pxnum::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}

/* ============================================================
   ARTICLE PROSE (journal posts)
   ============================================================ */
.article-head{padding:36px var(--pad) 52px;border-bottom:1px solid var(--line)}
.article-head__inner{max-width:760px;margin:34px auto 0;display:flex;flex-direction:column;gap:24px}
.article-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.article-meta .cat{font-family:var(--mono);font-size:9.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--accent)}
.article-meta .dot{width:26px;height:1px;background:var(--line-3)}
.article-meta .date{font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;color:var(--muted2)}
.article-title{font-size:clamp(34px,5.4vw,56px);font-weight:200;line-height:1.08;letter-spacing:-.03em;margin:0}
.article-dek{font-size:clamp(16px,2vw,19px);font-weight:300;line-height:1.6;color:var(--muted);max-width:720px}

.prose{max-width:720px;margin:0 auto;padding:56px var(--pad) 8px}
.prose > *{max-width:720px}
.prose p{font-size:clamp(16px,1.9vw,18px);font-weight:300;line-height:1.75;color:var(--ink2);margin:0 0 24px}
.prose h2{font-size:clamp(24px,3.4vw,30px);font-weight:300;letter-spacing:-.02em;line-height:1.2;margin:44px 0 18px}
.prose h3{font-size:clamp(19px,2.4vw,22px);font-weight:400;line-height:1.3;margin:32px 0 12px}
.prose a{text-decoration:underline;text-underline-offset:3px;color:var(--ink)}
.prose a:hover{opacity:.6}
.prose ul,.prose ol{margin:0 0 24px;padding-left:22px}
.prose li{font-size:clamp(15px,1.8vw,17px);font-weight:300;line-height:1.7;color:var(--ink2);margin-bottom:10px}
.prose .serif{color:inherit}
.prose blockquote{margin:26px 0;padding-left:22px;border-left:2px solid var(--accent);font-style:italic}
.prose__num{display:flex;gap:16px;padding:18px 0;border-top:1px solid var(--line)}
.prose__num:last-of-type{border-bottom:1px solid var(--line)}
.prose__num .n{font-family:var(--mono);font-size:11px;color:var(--accent);flex:none;padding-top:4px}
.prose__num p{font-size:clamp(15px,1.8vw,17px);line-height:1.7;margin:0}
.prose__num p strong,.prose__num p b{color:var(--ink);font-weight:500}
.prose__cta{border-top:1px solid var(--line-2);margin-top:34px;padding-top:30px}

/* ============================================================
   CASE STUDY blocks
   ============================================================ */
.spec{border-top:1px solid var(--line-2)}
.spec__row{display:grid;grid-template-columns:150px 1fr;gap:0;padding:16px 0;border-bottom:1px solid var(--line)}
.spec__k{font-family:var(--mono);font-size:8.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted2);padding-top:2px}
.spec__v{font-size:14px;font-weight:300;line-height:1.5;color:var(--ink)}
@media(max-width:520px){.spec__row{grid-template-columns:1fr;gap:6px}}
.stat{padding:30px 28px 34px;display:flex;flex-direction:column;gap:12px}
.stat__n{font-size:clamp(40px,5vw,52px);font-weight:200;letter-spacing:-.04em;line-height:1}
.stat__l{font-family:var(--mono);font-size:9px;letter-spacing:.08em;color:var(--muted);line-height:1.5;text-transform:uppercase}

/* util */
.flex1{flex:1}
.nowrap{white-space:nowrap}
.hide-sm{}
@media (max-width:600px){ .hide-sm{display:none!important} }