/* ============================================================
   TOKENS
   ============================================================ */
:root{
  --paper:#FBFAF7;
  --paper-2:#F3F1EB;
  --ink:#1C2733;
  --muted:#5B6876;
  --indigo:#2C4A6E;
  --indigo-deep:#1E3450;
  --seal:#B8432F;          /* hanko red: used sparingly, like a personal seal */
  --line:#E4E1D8;
  --card:#FFFFFF;
  --radius:10px;
  --font-display:'Space Grotesk',sans-serif;
  --font-body:'Inter',system-ui,sans-serif;
  --font-mono:'IBM Plex Mono',monospace;
  --maxw:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}
body{
  font-family:var(--font-body);
  background:var(--paper);
  color:var(--ink);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--indigo)}
:focus-visible{outline:3px solid var(--indigo);outline-offset:2px;border-radius:4px}

/* ---- language switching ------------------------------------
   Default: English (html[data-lang="en"]). ES via data-lang.   */
html[data-lang="en"] .es{display:none!important}
html[data-lang="es"] .en{display:none!important}
html:not([data-lang]) .es{display:none!important}

/* ============================================================
   HEADER
   ============================================================ */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(251,250,247,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:var(--maxw);margin:0 auto;
  display:flex;align-items:center;gap:14px;
  padding:12px 20px;
}
.seal{
  width:38px;height:38px;flex:none;
  border:2px solid var(--seal);color:var(--seal);
  display:grid;place-items:center;
  font-family:var(--font-display);font-weight:700;font-size:15px;
  border-radius:6px;transform:rotate(-4deg);
  letter-spacing:.5px;user-select:none;
}
.brand{
  font-family:var(--font-display);font-weight:600;font-size:15px;
  text-decoration:none;color:var(--ink);line-height:1.2;
}
.brand small{display:block;font-family:var(--font-mono);font-weight:400;font-size:10px;color:var(--muted);letter-spacing:.06em}
nav{margin-left:auto;display:flex;align-items:center;gap:4px}
nav a{
  text-decoration:none;color:var(--ink);font-size:14px;font-weight:500;
  padding:8px 10px;border-radius:6px;
}
nav a:hover{background:var(--paper-2)}
.nav-links{display:none;align-items:center;gap:2px}
@media(min-width:720px){.nav-links{display:flex}}

.lang-toggle{
  display:flex;border:1.5px solid var(--ink);border-radius:7px;overflow:hidden;
  font-family:var(--font-mono);font-size:12px;margin-left:8px;
}
.lang-toggle button{
  border:0;background:transparent;color:var(--ink);
  padding:6px 10px;cursor:pointer;font:inherit;font-weight:500;
}
.lang-toggle button[aria-pressed="true"]{background:var(--ink);color:var(--paper)}

/* ============================================================
   LAYOUT / SECTIONS
   ============================================================ */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
section{padding:56px 0}
@media(min-width:720px){section{padding:84px 0}}

.eyebrow{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted);
  display:flex;align-items:center;gap:10px;margin-bottom:14px;
}
.eyebrow::before{content:"";width:9px;height:9px;background:var(--seal);border-radius:2px;transform:rotate(-4deg);flex:none}
h1,h2,h3{font-family:var(--font-display);line-height:1.15}
h2{font-size:clamp(26px,4vw,38px);font-weight:600;margin-bottom:18px}

/* ============================================================
   HERO
   ============================================================ */
.hero{padding:52px 0 40px}
.hero-grid{display:grid;gap:32px}
@media(min-width:860px){.hero-grid{grid-template-columns:1.35fr 1fr;align-items:center;gap:56px}}
.hero h1{font-size:clamp(34px,6vw,58px);font-weight:700;letter-spacing:-.015em;margin:6px 0 10px}
.hero .role{
  font-family:var(--font-display);font-size:clamp(17px,2.4vw,21px);
  font-weight:500;color:var(--indigo);margin-bottom:18px;
}
.hero p.lede{max-width:56ch;color:var(--ink);margin-bottom:14px}
.hero p.quote{
  font-family:var(--font-mono);font-size:13px;color:var(--muted);
  border-left:3px solid var(--seal);padding-left:12px;margin:22px 0 26px;
}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-display);font-weight:600;font-size:15px;
  padding:12px 20px;border-radius:8px;text-decoration:none;cursor:pointer;
  border:1.5px solid var(--ink);transition:transform .12s ease,box-shadow .12s ease;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 4px 0 var(--line)}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-ghost{background:transparent;color:var(--ink)}
.hero-photo{position:relative;max-width:380px;margin:0 auto}
.hero-photo img{width:100%;height:auto}

/* stats strip */
.stats{
  margin-top:48px;display:grid;grid-template-columns:repeat(2,1fr);
  gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
.stat{padding:18px 16px;background:var(--card)}
.stats::after{content:"";background:var(--card)} /* fills the empty grid slot on mobile */
@media(min-width:1000px){
  .stats{grid-template-columns:.55fr 2.05fr 1.15fr 1.3fr .8fr}
  .stats::after{display:none}
}
.stat b{font-family:var(--font-display);font-size:clamp(22px,3vw,30px);font-weight:700;display:block;color:var(--indigo-deep)}
.stat span{font-family:var(--font-mono);font-size:11.5px;color:var(--muted);letter-spacing:.03em}
.stat.txt b{
  font-family:var(--font-mono);font-size:11px;font-weight:500;
  letter-spacing:.12em;text-transform:uppercase;color:var(--seal);
  margin-bottom:6px;
}
.stat.txt span{
  font-family:var(--font-body);font-size:12.5px;color:var(--muted);
  letter-spacing:0;line-height:1.6;display:block;
}

/* ============================================================
   PROJECTS
   ============================================================ */
#projects{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0 30px}
.chip{
  font-family:var(--font-mono);font-size:12.5px;
  border:1.5px solid var(--ink);background:transparent;color:var(--ink);
  border-radius:99px;padding:7px 14px;cursor:pointer;
}
.chip[aria-pressed="true"]{background:var(--indigo-deep);border-color:var(--indigo-deep);color:#fff}
.grid{display:grid;gap:22px}
@media(min-width:640px){.grid{grid-template-columns:1fr 1fr}}
@media(min-width:980px){.grid{grid-template-columns:1fr 1fr 1fr}}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;text-align:left;
  cursor:pointer;padding:0;font:inherit;color:inherit;
  transition:transform .15s ease,box-shadow .15s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:0 10px 24px rgba(28,39,51,.10)}
.card .cover{aspect-ratio:16/10;overflow:hidden;background:var(--paper-2)}
.card .cover img{width:100%;height:100%;object-fit:cover}
.card .body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.card .meta{font-family:var(--font-mono);font-size:11px;color:var(--muted);letter-spacing:.04em}
.card h3{font-size:18px;font-weight:600}
.card p{font-size:14px;color:var(--muted);flex:1}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}
.tag{
  font-family:var(--font-mono);font-size:10.5px;color:var(--indigo-deep);
  background:#EDF1F6;border-radius:4px;padding:3px 8px;
}
.card .open-hint{
  font-family:var(--font-display);font-weight:600;font-size:13px;color:var(--seal);margin-top:6px;
}

/* ============================================================
   DIALOG (case studies)
   ============================================================ */
dialog.case{
  width:min(920px,calc(100% - 24px));
  max-height:calc(100dvh - 40px);
  border:1px solid var(--line);border-radius:14px;
  padding:0;background:var(--paper);color:var(--ink);
  margin:auto;
}
dialog.case::backdrop{background:rgba(20,28,38,.55);backdrop-filter:blur(2px)}
.case-head{
  position:sticky;top:0;background:var(--paper);z-index:5;
  display:flex;align-items:flex-start;gap:14px;
  padding:20px 22px 14px;border-bottom:1px solid var(--line);
}
.case-head h3{font-size:clamp(19px,3vw,25px);font-weight:600;line-height:1.25}
.case-head .meta{font-family:var(--font-mono);font-size:11.5px;color:var(--muted);margin-top:4px}
.close-btn{
  margin-left:auto;flex:none;border:1.5px solid var(--ink);background:transparent;
  width:36px;height:36px;border-radius:8px;font-size:17px;cursor:pointer;color:var(--ink);
}
.case-body{padding:20px 22px 30px}
.case-body h4{
  font-family:var(--font-display);font-size:16.5px;font-weight:600;
  margin:26px 0 8px;color:var(--indigo-deep);
  display:flex;align-items:center;gap:8px;
}
.case-body h4::before{content:"";width:7px;height:7px;background:var(--seal);border-radius:2px;transform:rotate(-4deg);flex:none}
.case-body p{margin-bottom:12px;font-size:15px}
.case-body ul{margin:0 0 12px 20px;font-size:15px}
.case-body li{margin-bottom:6px}
.gallery{display:grid;gap:12px;margin:14px 0}
@media(min-width:640px){.gallery{grid-template-columns:1fr 1fr}}
.gallery img{border-radius:8px;border:1px solid var(--line);width:100%}
.gallery.single{grid-template-columns:1fr}
.toolbox{
  display:flex;flex-wrap:wrap;gap:6px;margin:10px 0 4px;
}
.svc{font-family:var(--font-mono);font-size:11px;background:var(--indigo-deep);color:#fff;border-radius:4px;padding:3px 9px}

/* roadmap (work process phases) */
.roadmap{list-style:none;margin:16px 0 8px;padding:0}
.roadmap li{position:relative;display:flex;gap:16px;padding-bottom:22px}
.roadmap li:last-child{padding-bottom:0}
.roadmap li::before{
  content:"";position:absolute;left:23px;top:32px;bottom:2px;
  width:2px;background:var(--line);
}
.roadmap li:last-child::before{display:none}
.roadmap .ph{
  flex:none;width:48px;height:30px;margin-top:1px;
  display:grid;place-items:center;
  font-family:var(--font-mono);font-size:11.5px;font-weight:500;
  color:#fff;background:var(--indigo-deep);border-radius:6px;
  position:relative;z-index:1;letter-spacing:.04em;
}
.roadmap li:last-child .ph{background:var(--seal)}
.roadmap .ph-body b{
  font-family:var(--font-display);font-weight:600;font-size:15.5px;
  display:block;color:var(--ink);line-height:1.3;
}
.roadmap .ph-body p{margin:3px 0 0;font-size:13.5px;color:var(--muted)}

/* principle callout (dialogs) */
.principle{
  border-left:3px solid var(--seal);background:var(--paper-2);
  border-radius:0 8px 8px 0;padding:12px 16px;margin:14px 0 18px;
}
.principle p{margin:0;font-size:14.5px}
.principle b{color:var(--indigo-deep)}

/* worked-example case cards (dialogs) */
.case-links{display:grid;gap:12px;margin:14px 0}
@media(min-width:640px){.case-links{grid-template-columns:1fr 1fr}}
.case-link{
  border:1px solid var(--line);border-radius:10px;background:var(--card);
  padding:14px 16px;display:flex;flex-direction:column;gap:6px;
}
.case-link .who{font-family:var(--font-mono);font-size:10.5px;color:var(--seal);letter-spacing:.1em;text-transform:uppercase}
.case-link b{font-family:var(--font-display);font-weight:600;font-size:15px;line-height:1.3}
.case-link p{margin:0;font-size:13.5px;color:var(--muted);flex:1}
.case-link .go{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
.case-link .go a{font-family:var(--font-display);font-weight:600;font-size:13px;text-decoration:none}
.case-link .go a:hover{text-decoration:underline}

/* facade for heavy embeds (video / pdf / interactive) */
.embed{
  position:relative;margin:14px 0;border-radius:10px;overflow:hidden;
  border:1px solid var(--line);background:var(--indigo-deep);
  aspect-ratio:16/9;
}
.embed.pdf{aspect-ratio:3/4;max-height:640px}
.embed.site{aspect-ratio:auto;height:560px}
@media(min-width:720px){.embed.pdf{aspect-ratio:4/3;max-height:560px}}
.embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.embed .facade{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:10px;
  color:#fff;text-align:center;padding:20px;cursor:pointer;
  background:linear-gradient(160deg,rgba(30,52,80,.94),rgba(28,39,51,.96));
  border:0;font:inherit;width:100%;
}
.embed .facade:hover .play{transform:scale(1.08)}
.embed .facade .play{
  width:58px;height:58px;border-radius:50%;background:var(--seal);
  display:grid;place-items:center;font-size:22px;color:#fff;
  transition:transform .15s ease;
}
.embed .facade .lbl{font-family:var(--font-display);font-weight:600;font-size:15px}
.embed .facade .sub{font-family:var(--font-mono);font-size:11px;opacity:.75}

/* ============================================================
   ABOUT / CONTACT / FOOTER
   ============================================================ */
.about-grid{display:grid;gap:32px}
@media(min-width:860px){.about-grid{grid-template-columns:1fr 1.5fr;gap:56px;align-items:start}}
.about-photo img{max-width:340px}
.about p{margin-bottom:14px;max-width:64ch}

#contact{background:var(--indigo-deep);color:#EAF0F7}
#contact h2{color:#fff}
#contact p{max-width:56ch;margin-bottom:24px;color:#C6D2E0}
#contact .eyebrow{color:#9FB2C7}
.contact-links{display:flex;flex-wrap:wrap;gap:12px}
.btn-light{border-color:#EAF0F7;color:#EAF0F7}
.btn-light:hover{box-shadow:0 4px 0 rgba(255,255,255,.2)}
.btn-seal{background:var(--seal);border-color:var(--seal);color:#fff}

/* image lightbox */
.gallery img, .about-photo img{cursor:zoom-in}
dialog#lightbox{
  border:0;padding:0;background:transparent;max-width:none;max-height:none;
  width:100vw;height:100dvh;margin:0;display:none;
  align-items:center;justify-content:center;
}
dialog#lightbox[open]{display:flex}
dialog#lightbox::backdrop{background:rgba(15,21,29,.9)}
dialog#lightbox .lb-frame{
  max-width:min(94vw,1200px);max-height:90dvh;overflow:auto;
  border-radius:8px;
}
dialog#lightbox img{
  max-width:100%;max-height:88dvh;display:block;margin:auto;
  cursor:zoom-in;border-radius:8px;
  transition:transform .18s ease;transform-origin:center top;
}
dialog#lightbox img.zoomed{
  max-width:none;max-height:none;width:170%;cursor:zoom-out;
}
dialog#lightbox .lb-close{
  position:fixed;top:14px;right:14px;z-index:2;
  border:1.5px solid #fff;background:rgba(0,0,0,.35);color:#fff;
  width:40px;height:40px;border-radius:8px;font-size:18px;cursor:pointer;
}
footer{padding:26px 0;border-top:1px solid var(--line)}
.footer-inner{
  max-width:var(--maxw);margin:0 auto;padding:0 20px;
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-family:var(--font-mono);font-size:12px;color:var(--muted);
}
.footer-inner .seal{width:28px;height:28px;font-size:11px}
.footer-inner a{color:var(--indigo)}
.footer-inner .right{margin-left:auto}