/* ============================================================
   ALETIS — shared design system
   Visual DNA: cyanotype zine — electric ultramarine + paper white,
   monumental neo-grotesque caps, didone italic accents,
   riso grain, duotone photography, anatomical leader-lines.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Hanken+Grotesk:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400;1,500&family=Space+Mono:wght@400;700&display=swap');

:root{
  /* ---- elaborated cyanotype palette (sampled from the prints) ----
     warm gallery paper · steel-fog mids · Prussian & midnight ink.
     No electric blue — depth comes from the range, not the saturation. */
  --blue:        #1d3f72;   /* PRIMARY — deep Prussian cyanotype */
  --blue-bright: #2a5694;   /* lifted accent for hover/active */
  --blue-deep:   #122b59;   /* solid field backgrounds */
  --blue-ink:    #0a1a42;   /* deepest navy — headers & display */
  --tide:        #34608f;   /* mid cyanotype (waterline) */
  --steel:       #6e92b2;   /* atmospheric steel blue */
  --mist:        #c3d4e1;   /* pale fog / sky */

  --paper:       #f2eee4;   /* warm gallery paper */
  --paper-2:     #e8e2d4;   /* deckled secondary surface */
  --paper-edge:  #d6cdb9;   /* warm hairline / border */
  --white:       #fbf9f3;   /* warm white (never pure) */
  --ink:         #121a30;   /* body — warm near-black navy */
  --mute:        #5b6781;   /* muted slate */

  --maxw: 1320px;
  --gut: clamp(20px, 5vw, 80px);

  --f-display: 'Hanken Grotesk', system-ui, sans-serif;
  --f-exp: 'Hanken Grotesk', system-ui, sans-serif;
  --f-serif: 'Hanken Grotesk', system-ui, sans-serif;
  --f-mono: 'Space Mono', ui-monospace, monospace;

  --ease: cubic-bezier(.22,.61,.36,1);
}

*{ box-sizing:border-box; }
html{ -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility; scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--f-display);
  background:var(--paper);
  color:var(--ink);
  font-size:17px;
  line-height:1.6;
  overflow-x:hidden;
}
img{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
a:focus-visible, button:focus-visible{ outline:3px solid currentColor; outline-offset:4px; }
::selection{ background:var(--blue); color:var(--white); }

/* ---- grain overlay (riso texture) ---- */
.grain{
  position:fixed; inset:0; z-index:9999; pointer-events:none;
  opacity:.05; mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---- type utilities ---- */
.mono{ font-family:var(--f-mono); font-weight:400; letter-spacing:.04em; }
.eyebrow{
  font-family:var(--f-mono); font-size:12px; font-weight:400;
  letter-spacing:.22em; text-transform:uppercase; color:var(--blue);
}
.serif-it{ font-style:italic; font-weight:400; }

.display{
  font-family:var(--f-display); font-weight:300;
  text-transform:uppercase; line-height:.92;
  letter-spacing:.01em;
}
h1,h2,h3{ margin:0; font-weight:400; }

/* ---- container ---- */
.wrap{ max-width:var(--maxw); margin-inline:auto; padding-inline:var(--gut); }
section{ position:relative; }

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:sticky; top:0; z-index:100;
  display:flex; align-items:center; justify-content:space-between;
  padding:18px var(--gut);
  background:color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter:blur(10px);
  border-bottom:1px solid color-mix(in srgb, var(--blue) 16%, transparent);
}
.nav.on-blue{
  background:color-mix(in srgb, var(--blue-deep) 70%, transparent);
  border-bottom-color:color-mix(in srgb, #fff 18%, transparent);
  color:var(--white);
}
.brand{
  display:flex; align-items:center; gap:12px;
  font-family:var(--f-exp); font-weight:500; font-size:20px;
  letter-spacing:.22em; text-transform:uppercase;
}
.brand .glyph{ width:30px; height:30px; }
.nav-links{ display:flex; gap:30px; align-items:center; }
.nav-right{ display:flex; align-items:center; gap:26px; }
.lang-switch{ display:flex; align-items:center; gap:8px;
  font-family:var(--f-mono); font-size:12px; letter-spacing:.06em; }
.lang-switch a{ opacity:.5; transition:opacity .25s var(--ease); padding:2px 0; }
.lang-switch a.active{ opacity:1; }
.lang-switch a:hover{ opacity:.85; }
.lang-switch .sep{ opacity:.35; }
.nav-links a{
  font-family:var(--f-mono); font-size:12.5px; letter-spacing:.08em;
  text-transform:uppercase; position:relative; padding:4px 0;
  opacity:.78; transition:opacity .25s var(--ease);
}
.nav-links a:hover, .nav-links a.active{ opacity:1; }
.nav-links a.active::after{
  content:""; position:absolute; left:0; right:0; bottom:-2px; height:2px;
  background:var(--blue);
}
.nav.on-blue .nav-links a.active::after{ background:var(--white); }
.nav-menu-btn{ display:none; background:none; border:none; cursor:pointer; }

/* ---- mobile hamburger + overlay menu ---- */
.nav-burger{ display:none; width:44px; height:44px; padding:0; margin-left:4px;
  background:none; border:none; cursor:pointer; position:relative; z-index:120; }
.nav-burger span{ display:block; width:24px; height:2px; margin:5px auto; background:currentColor;
  transition:transform .35s var(--ease), opacity .25s var(--ease); }
.nav-burger.is-open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-burger.is-open span:nth-child(2){ opacity:0; }
.nav-burger.is-open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

.mobile-menu{ position:fixed; inset:0; z-index:110; background:var(--blue-deep); color:#fff;
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:8px;
  opacity:0; visibility:hidden; transform:translateY(-12px);
  transition:opacity .4s var(--ease), transform .4s var(--ease), visibility .4s; }
.mobile-menu.open{ opacity:1; visibility:visible; transform:none; }
.menu-open .nav{ z-index:130; background:var(--blue-deep); color:var(--white); border-bottom-color:rgba(255,255,255,.18); }
.mobile-menu .mm-links{ display:flex; flex-direction:column; align-items:center; gap:6px; }
.mobile-menu .mm-links a{ font-family:var(--f-exp); font-weight:300; text-transform:uppercase;
  font-size:clamp(30px,9vw,52px); letter-spacing:.04em; line-height:1.25; opacity:.92; }
.mobile-menu .mm-links a.active{ color:color-mix(in srgb,#fff 70%, var(--blue)); }
.mobile-menu .mm-lang{ display:flex; align-items:center; gap:10px; margin-top:36px;
  font-family:var(--f-mono); font-size:14px; letter-spacing:.06em; }
.mobile-menu .mm-lang a{ opacity:.55; }
.mobile-menu .mm-lang a.active{ opacity:1; }
.mobile-menu .mm-lang .sep{ opacity:.35; }
body.menu-open{ overflow:hidden; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn{
  display:inline-flex; align-items:center; gap:12px;
  font-family:var(--f-mono); font-size:13px; letter-spacing:.06em;
  text-transform:uppercase; padding:15px 26px;
  background:var(--blue); color:var(--white);
  border:1px solid var(--blue); border-radius:0;
  cursor:pointer; transition:.3s var(--ease);
}
.btn:hover{ background:transparent; color:var(--blue); }
.btn .arr{ transition:transform .3s var(--ease); }
.btn:hover .arr{ transform:translateX(5px); }
.btn.ghost{ background:transparent; color:var(--blue); }
.btn.ghost:hover{ background:var(--blue); color:var(--white); }
.btn.on-blue{ background:var(--white); color:var(--blue-deep); border-color:var(--white); }
.btn.on-blue:hover{ background:transparent; color:var(--white); }

/* link with arrow */
.link-arr{
  display:inline-flex; align-items:center; gap:9px;
  font-family:var(--f-mono); font-size:13px; letter-spacing:.05em;
  text-transform:uppercase; color:var(--blue);
  border-bottom:1px solid currentColor; padding-bottom:3px;
}
.link-arr:hover{ color:var(--blue-bright); }
.link-arr .arr{ transition:transform .3s var(--ease); }
.link-arr:hover .arr{ transform:translateX(5px); }

/* ============================================================
   DUOTONE PORTRAITS
   ============================================================ */
/* ---- DUOTONE PORTRAITS (cyanotype blue) ---- */
/* portraits left in their original tone */
.duo{ filter:none; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer{
  background:var(--blue-deep); color:var(--white);
  position:relative; overflow:hidden;
  padding:90px var(--gut) 40px;
}
.footer .grainf{
  position:absolute; inset:0; opacity:.12; mix-blend-mode:screen; pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.footer-inner{ position:relative; max-width:var(--maxw); margin-inline:auto;
  display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; }
.footer h2{ font-family:var(--f-exp); font-weight:300; font-size:clamp(40px,6vw,76px); letter-spacing:.03em; line-height:.95; }
.footer .lede{ max-width:34ch; opacity:.82; margin-top:18px; font-size:15px; }
.footer .col h4{ font-family:var(--f-mono); font-size:12px; letter-spacing:.16em; text-transform:uppercase; opacity:.6; margin:0 0 16px; font-weight:400; }
.footer .col a, .footer .col p{ display:block; margin:0 0 10px; font-size:14px; opacity:.9; }
.footer .col a:hover{ opacity:1; text-decoration:underline; text-underline-offset:3px; }
.footer-base{ position:relative; max-width:var(--maxw); margin:64px auto 0;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:14px;
  padding-top:24px; border-top:1px solid rgba(255,255,255,.22);
  font-family:var(--f-mono); font-size:11.5px; letter-spacing:.08em; text-transform:uppercase; opacity:.7; }

/* ============================================================
   REVEAL on scroll
   ============================================================ */
.reveal{ opacity:0; transform:translateY(26px); transition:opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in{ opacity:1; transform:none; }
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  .reveal{ opacity:1; transform:none; }
  .marquee .track, .scrollcue .bar::after, .chiasma .status .dot{ animation:none !important; }
}

/* ============================================================
   SHARED PAGE HEADER (interior pages)
   ============================================================ */
.page-head{
  background:var(--blue-deep); color:var(--white);
  position:relative; overflow:hidden;
  padding:clamp(80px,12vh,150px) var(--gut) clamp(56px,8vh,90px);
}
/* full-bleed cyanotype sea behind interior headers (injected divs) */
.page-head .ph-sea{ position:absolute; inset:0; z-index:0;
  background-size:cover; background-position:center 40%; }
.page-head .ph-veil{ position:absolute; inset:0; z-index:0;
  background:linear-gradient(180deg,
     color-mix(in srgb,var(--blue-ink) 46%,transparent) 0%,
     color-mix(in srgb,var(--blue-deep) 34%,transparent) 45%,
     color-mix(in srgb,var(--blue-ink) 80%,transparent) 100%),
   linear-gradient(90deg, color-mix(in srgb,var(--blue-ink) 64%,transparent), color-mix(in srgb,var(--blue-ink) 12%,transparent) 58%, transparent 80%); }
.page-head .grainf{ position:absolute; inset:0; z-index:1; opacity:.14; mix-blend-mode:screen; pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }
.page-head .inner{ position:relative; z-index:2; max-width:var(--maxw); margin-inline:auto; }
.page-head .eyebrow{ color:color-mix(in srgb,#fff 80%, var(--blue)); }
.page-head h1{
  font-family:var(--f-exp); font-weight:300; text-transform:uppercase;
  font-size:clamp(48px,9vw,128px); line-height:.94; letter-spacing:.04em;
  margin:20px 0 0;
}
.page-head .sub{ max-width:62ch; margin-top:26px; font-size:clamp(17px,2vw,21px); opacity:.86; line-height:1.5; }

/* breadcrumb / index numbers */
.idx{ font-family:var(--f-mono); font-size:12px; color:var(--tide); letter-spacing:.1em; }

/* ============================================================
   INTERIOR COMPONENTS
   ============================================================ */
.section{ padding:clamp(70px,11vh,130px) 0; }
.section.alt{ background:var(--paper-2); }
.lede-xl{ font-family:var(--f-display); font-weight:400; font-size:clamp(22px,3vw,38px);
  line-height:1.28; color:var(--blue-ink); max-width:24ch; }
.lede-xl em{ font-style:italic; font-weight:400; color:var(--blue); }

.prose{ font-size:clamp(16px,1.3vw,18.5px); line-height:1.66; color:#2a3052; max-width:62ch; }
.prose p{ margin:0 0 22px; }
.prose p:last-child{ margin-bottom:0; }

.sec-label{ display:flex; align-items:center; gap:16px; margin-bottom:44px; }
.sec-label .n{ font-family:var(--f-mono); font-size:12px; color:var(--blue); letter-spacing:.1em; }
.sec-label .ttl{ font-family:var(--f-exp); font-weight:600; text-transform:uppercase;
  font-size:clamp(26px,3.4vw,46px); color:var(--blue); line-height:.95; letter-spacing:.02em; }
.rule{ height:2px; background:var(--blue-ink); width:100%; }

.two{ display:grid; grid-template-columns:0.7fr 1.3fr; gap:clamp(30px,6vw,80px); align-items:start; }
.two .aside{ font-family:var(--f-mono); font-size:12px; letter-spacing:.14em; text-transform:uppercase; color:var(--blue);
  position:sticky; top:100px; }

.pull{ font-family:var(--f-exp); font-weight:600; text-transform:uppercase; line-height:1.04;
  font-size:clamp(30px,5vw,66px); color:var(--blue); letter-spacing:.015em; }
.pull em{ font-style:italic; text-transform:none; color:var(--blue); letter-spacing:0; font-weight:400; }

/* numbered research / project blocks */
.block{ border-top:1px solid color-mix(in srgb,var(--blue) 22%,transparent); padding:46px 0; }
.block:last-child{ border-bottom:1px solid color-mix(in srgb,var(--blue) 22%,transparent); }
.block .bn{ font-family:var(--f-mono); font-size:13px; color:var(--tide); }
.block h3{ font-family:var(--f-display); font-weight:400; text-transform:uppercase; letter-spacing:.02em;
  font-size:clamp(24px,3.2vw,42px); color:var(--ink); margin:8px 0 0; line-height:1.06; }
.block .bgrid{ display:grid; grid-template-columns:90px 1.4fr 1fr; gap:34px; align-items:start; }
.block .bgrid .ann{ font-family:var(--f-mono); font-size:12.5px; line-height:1.7; color:var(--blue); }
.block .bgrid .ann .dotline{ display:block; height:1px; background:color-mix(in srgb,var(--blue) 40%,transparent); margin:14px 0; }

/* marquee */
.marquee{ overflow:hidden; white-space:nowrap; border-block:1px solid color-mix(in srgb,var(--blue) 24%,transparent);
  padding:18px 0; background:var(--paper); }
.marquee .track{ display:inline-block; animation:marq 30s linear infinite; }
.marquee span{ font-family:var(--f-exp); font-weight:300; text-transform:uppercase; font-size:clamp(26px,3.4vw,46px);
  color:var(--blue); padding:0 28px; letter-spacing:.03em; }
.marquee span em{ font-style:italic; font-weight:400; text-transform:none; color:var(--blue-ink); }
@keyframes marq{ to{ transform:translateX(-50%); } }

/* contact rows */
.crow{ display:grid; grid-template-columns:0.7fr 1.3fr; gap:30px; padding:30px 0;
  border-top:1px solid color-mix(in srgb,var(--blue) 22%,transparent); align-items:baseline; }
.crow:last-child{ border-bottom:1px solid color-mix(in srgb,var(--blue) 22%,transparent); }
.crow .k{ font-family:var(--f-mono); font-size:12px; letter-spacing:.12em; text-transform:uppercase; color:var(--blue); }
.crow .v{ font-size:clamp(18px,2vw,26px); color:var(--ink); }
.crow .v a:hover{ color:var(--blue); }

.chips{ display:flex; flex-wrap:wrap; gap:10px; }
.chip{ font-family:var(--f-mono); font-size:12px; letter-spacing:.04em; text-transform:uppercase;
  border:1px solid color-mix(in srgb,var(--blue) 35%,transparent); color:var(--blue); padding:9px 15px; }

/* person card (people page) */
.person{ display:grid; grid-template-columns:300px 1fr; gap:clamp(28px,5vw,64px); align-items:start;
  padding:clamp(46px,7vh,80px) 0; border-top:1px solid color-mix(in srgb,var(--blue) 22%,transparent); }
.person:last-child{ border-bottom:1px solid color-mix(in srgb,var(--blue) 22%,transparent); }
.person .duo-wrap{ width:100%; max-width:300px; aspect-ratio:1; border-radius:50%; overflow:hidden; background:var(--blue-deep); position:relative; }
.person .duo-wrap::after{ content:""; position:absolute; inset:0; border-radius:50%; box-shadow:inset 0 0 0 1px rgba(29,63,114,.3); }
.person img{ width:100%; height:100%; object-fit:cover; }
.person .role{ font-family:var(--f-mono); font-size:12px; letter-spacing:.12em; text-transform:uppercase; color:var(--blue); }
.person h2{ font-family:var(--f-exp); font-weight:300; text-transform:uppercase; font-size:clamp(28px,4vw,52px);
  color:var(--blue-ink); line-height:1.0; margin:12px 0 6px; letter-spacing:.03em; }
.person .tagline{ font-style:italic; font-weight:400; font-size:clamp(18px,2vw,24px); color:var(--blue); margin:0 0 22px; max-width:48ch; }

@media (max-width:860px){
  .nav-links{ display:none; }
  .nav-burger{ display:block; }
  .footer-inner{ grid-template-columns:1fr; gap:30px; }
  .two{ grid-template-columns:1fr; gap:24px; }
  .two .aside{ position:static; }
  .block .bgrid{ grid-template-columns:1fr; gap:14px; }
  .person{ grid-template-columns:1fr; }
  .person .duo-wrap{ max-width:200px; }
  .crow{ grid-template-columns:1fr; gap:8px; }
}
@media (max-width:400px){
  .prose, .statement, .lede-xl, .pull, .spec .v, .oc-lead, .page-head .sub{ overflow-wrap:break-word; }
}
@media (max-width:560px){
  :root{ --gut: 22px; }
  .nav{ padding:14px var(--gut); }
  .brand{ font-size:18px; letter-spacing:.18em; }
  .footer-base{ flex-direction:column; gap:8px; }
  .sec-label{ flex-wrap:wrap; }
  .block .bgrid .ann{ font-size:12px; }
  .area{ padding:26px 0; }
  .person .tagline{ font-size:18px; }
}

/* ============================================================
   CYANOTYPE SEA THEME — prints, bands, footer
   ============================================================ */
.seaprint{ position:relative; margin:0; }
.seaprint img{ width:100%; height:auto; display:block;
  box-shadow:0 34px 70px -30px rgba(10,26,66,.55), 0 0 0 1px rgba(29,63,114,.12); }
.seaprint.tall img{ aspect-ratio:1; object-fit:cover; }
.seaprint figcaption{ display:flex; justify-content:space-between; gap:14px; margin-top:14px;
  font-family:var(--f-mono); font-size:11px; letter-spacing:.12em; text-transform:uppercase; color:var(--blue); }

/* full-bleed sea band divider */
.sea-band{ position:relative; min-height:clamp(340px,50vh,560px); overflow:hidden;
  display:flex; align-items:center; color:#fff; background:var(--blue-ink); }
.sea-band .bg{ position:absolute; inset:0; background-size:cover; background-position:center 42%;
  mix-blend-mode:luminosity; opacity:.92; }
.sea-band::after{ content:""; position:absolute; inset:0;
  background:linear-gradient(90deg,
     color-mix(in srgb,var(--blue-ink) 82%,transparent),
     color-mix(in srgb,var(--blue-deep) 46%,transparent) 62%,
     color-mix(in srgb,var(--blue-deep) 30%,transparent)); }
.sea-band .grainf{ position:absolute; inset:0; opacity:.1; mix-blend-mode:screen; pointer-events:none; z-index:1;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }
.sea-band .wrap{ position:relative; z-index:2; width:100%; }
.sea-band .quote{ font-style:italic; font-weight:400;
  font-size:clamp(26px,4.6vw,58px); line-height:1.14; max-width:20ch; text-shadow:0 2px 30px rgba(0,0,0,.35); }
.sea-band .quote em{ font-style:normal; }
.sea-band .by{ font-family:var(--f-mono); font-size:12px; letter-spacing:.14em; text-transform:uppercase; opacity:.82; margin-top:24px; }

/* footer gets a sunken sea horizon */
.footer{ background:var(--blue-ink); }
.footer .seafloor{ position:absolute; inset:0; background-image:url('assets/sea-7.jpg');
  background-size:cover; background-position:center 60%; mix-blend-mode:luminosity; opacity:.5; }
.footer .seafloor::after{ content:""; position:absolute; inset:0;
  background:linear-gradient(180deg, var(--blue-ink) 0%, color-mix(in srgb,var(--blue-ink) 70%,transparent) 40%, color-mix(in srgb,var(--blue-deep) 55%,transparent) 100%); }

@media (max-width:860px){
  .seaprint figcaption{ font-size:10px; }
}