/* ==========================================================================
   Icon & Ikon, Inc. — Full-Bleed
   Shared design system. The site is a sequence of full-viewport frames;
   each frame carries one image and a minimal type overlay.
   ========================================================================== */

/* ==========================================================================
   FONTS
   ========================================================================== */
@font-face{
  font-family:"Montserrat";
  src:url("assets/fonts/Montserrat-var.woff2") format("woff2-variations"),
      url("assets/fonts/Montserrat-var.woff2") format("woff2");
  font-weight:100 900; font-style:normal; font-display:swap;
}
@font-face{
  font-family:"Open Sans";
  src:url("assets/fonts/OpenSans-var.woff2") format("woff2-variations"),
      url("assets/fonts/OpenSans-var.woff2") format("woff2");
  font-weight:300 800; font-style:normal; font-display:swap;
}

/* ==========================================================================
   TOKENS
   ========================================================================== */
:root{
  --red:#C41E2A;
  --red-dark:#9B1520;
  --charcoal:#2D2D2D;
  --ink:#4A4A4A;
  --meta:#6E6E6E;
  --gray:#999999;
  --line:#E8E8E8;
  --off:#F5F5F5;
  --white:#FFFFFF;

  /* nav ink, driven by the frame sitting under the nav band */
  --tone-ink:#2D2D2D;
  --tone-ink-dim:#6E6E6E;
  --tone-rule:rgba(45,45,45,.16);
  --tone-veil:rgba(255,255,255,.72);

  --display:"Montserrat",system-ui,-apple-system,"Segoe UI",sans-serif;
  --body:"Open Sans",system-ui,-apple-system,"Segoe UI",sans-serif;

  --nav-h:56px;
  --gut:clamp(18px,5vw,64px);

  --ease:cubic-bezier(.16,1,.3,1);

  --z-frame:1;
  --z-overlay:10;
  --z-nav:70;
  --z-menu:80;
  --z-skip:90;
}
html[data-tone="dark"]{
  --tone-ink:#FFFFFF;
  --tone-ink-dim:rgba(255,255,255,.78);
  --tone-rule:rgba(255,255,255,.22);
  --tone-veil:rgba(30,30,30,.62);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--off);
  color:var(--ink);
  font-family:var(--body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit}

/* ==========================================================================
   TYPE PRIMITIVES
   ========================================================================== */
.eyebrow{
  font-family:var(--display);
  font-weight:600;
  font-size:clamp(9px,1.4vw,11px);
  letter-spacing:.2em;
  text-transform:uppercase;
  margin:0;
}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}

/* ==========================================================================
   SKIP LINK + FOCUS
   ========================================================================== */
.skip{
  position:fixed; top:8px; left:8px; z-index:var(--z-skip);
  transform:translateY(-200%);
  background:var(--charcoal); color:#fff;
  font-family:var(--display); font-size:11px; font-weight:600;
  letter-spacing:.16em; text-transform:uppercase;
  padding:10px 14px; text-decoration:none; border-radius:2px;
}
.skip:focus-visible{transform:none}
:focus-visible{
  outline:2px solid var(--red);
  outline-offset:3px;
  border-radius:1px;
}
html[data-tone="dark"] :focus-visible{outline-color:#fff}
.caption :focus-visible,
.menu :focus-visible,
.listframe :focus-visible{outline-color:#fff}
.listframe--light :focus-visible{outline-color:var(--red)}

/* ==========================================================================
   NAV — fixed, tone-adaptive. main.js reads which frame sits under the nav
   band and flips --tone-ink. A light veil sits behind the bar only while the
   page is scrolled, so the bar never depends on the image beneath it.
   ========================================================================== */
.masthead{
  position:fixed; inset:0 0 auto 0; z-index:var(--z-nav);
  height:var(--nav-h);
  display:flex; align-items:center; justify-content:space-between;
  padding:0 var(--gut);
  color:var(--tone-ink);
  transition:color .35s var(--ease);
}
.masthead::before{
  content:""; position:absolute; inset:0;
  background:var(--tone-veil);
  -webkit-backdrop-filter:saturate(1.1) blur(6px);
  backdrop-filter:saturate(1.1) blur(6px);
  opacity:0;
  transition:opacity .3s var(--ease), background .35s var(--ease);
  pointer-events:none;
}
html[data-scrolled="true"] .masthead::before{opacity:1}
.masthead > *{position:relative}

.brand{
  display:flex; align-items:center; gap:9px;
  text-decoration:none;
  font-family:var(--display);
  font-weight:600; font-size:12px;
  letter-spacing:.14em; text-transform:uppercase;
  white-space:nowrap;
}
.brand img{width:20px;height:20px}
@media (max-width:520px){
  .brand span{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
}

.navlinks{display:flex; align-items:center; gap:clamp(13px,2.1vw,26px)}
.navlinks a{
  font-family:var(--display);
  font-weight:600; font-size:11px;
  letter-spacing:.16em; text-transform:uppercase;
  text-decoration:none;
  padding:6px 0;
  position:relative;
  color:inherit;
  white-space:nowrap;
}
.navlinks a::after{
  content:""; position:absolute; left:0; right:0; bottom:0;
  height:1px; background:currentColor;
  transform:scaleX(0); transform-origin:left;
  transition:transform .3s var(--ease);
}
.navlinks a:hover::after,
.navlinks a[aria-current="page"]::after{transform:scaleX(1)}
.navlinks a[aria-current="page"]{color:var(--red)}
html[data-tone="dark"] .navlinks a[aria-current="page"]{color:#fff}
.nav-tel{opacity:.72; display:none}
@media (min-width:1120px){ .nav-tel{display:inline} }

/* ---------- mobile menu ---------- */
.navtoggle{
  display:inline-flex; align-items:center; gap:9px;
  background:none; border:0; padding:8px 0; margin:0;
  color:inherit; cursor:pointer;
  font-family:var(--display); font-weight:600; font-size:11px;
  letter-spacing:.16em; text-transform:uppercase;
}
.navtoggle i{display:block; width:20px; height:9px; position:relative}
.navtoggle i::before,
.navtoggle i::after{
  content:""; position:absolute; left:0; right:0; height:1.5px;
  background:currentColor;
}
.navtoggle i::before{top:0}
.navtoggle i::after{bottom:0}

@media (max-width:820px){ .navlinks{display:none} }
@media (min-width:821px){ .navtoggle{display:none} }

.menu{
  width:100%; max-width:none; height:100%; max-height:none;
  margin:0; padding:0; border:0;
  background:var(--charcoal); color:#fff;
  z-index:var(--z-menu);
}
.menu::backdrop{background:rgba(20,20,20,.7)}
.menu-inner{
  min-height:100%;
  display:flex; flex-direction:column;
  padding:0 var(--gut) clamp(32px,7vh,56px);
}
.menu-top{
  height:var(--nav-h);
  display:flex; align-items:center; justify-content:flex-end;
  margin-bottom:clamp(24px,7vh,56px);
}
.menu-close{
  background:none; border:0; padding:8px 0; margin:0; cursor:pointer;
  color:#fff;
  font-family:var(--display); font-weight:600; font-size:11px;
  letter-spacing:.16em; text-transform:uppercase;
}
.menu nav ol{list-style:none; margin:0; padding:0}
.menu nav li{border-top:1px solid rgba(255,255,255,.16)}
.menu nav li:last-child{border-bottom:1px solid rgba(255,255,255,.16)}
.menu nav a{
  display:block; text-decoration:none;
  padding:16px 0;
  font-family:var(--display); font-weight:500;
  font-size:clamp(26px,7.5vw,38px);
  letter-spacing:-.02em; line-height:1;
  color:#fff;
}
/* the current page is marked with a red rule, not red type: brand red on
   charcoal does not clear AA */
.menu nav a[aria-current="page"]{color:#fff}
.menu nav a[aria-current="page"]::before{
  content:""; display:inline-block;
  width:22px; height:2px; background:var(--red);
  margin-right:16px; vertical-align:middle;
}
.menu-foot{
  margin-top:auto; padding-top:clamp(28px,5vh,48px);
  font-family:var(--display); font-weight:500;
  font-size:11px; letter-spacing:.16em; text-transform:uppercase;
  color:rgba(255,255,255,.78);
  line-height:2.2;
}
.menu-foot p{margin:0}
.menu-foot a{text-decoration:none}
.menu-foot a:hover{color:#fff}
html:has(.menu[open]){overflow:hidden}

/* ==========================================================================
   SCROLL CONTAINER — proximity snap only, desktop only, off under
   reduced motion
   ========================================================================== */
@media (prefers-reduced-motion:no-preference){
  @media (min-width:1024px){
    html{scroll-snap-type:y proximity}
    .frame{scroll-snap-align:start}
  }
}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* ==========================================================================
   FRAME BASE
   ========================================================================== */
.frame{
  position:relative;
  isolation:isolate;
  z-index:var(--z-frame);
  display:flex;
  width:100%;
}

/* ---------- HERO / FRAME ZERO (index only) ---------- */
.hero{
  min-height:100vh; min-height:100svh;
  background:var(--off);
  flex-direction:column;
  justify-content:flex-end;
  padding:calc(var(--nav-h) + 24px) var(--gut) clamp(48px,9vh,88px);
  overflow:hidden;
}
#hero-canvas{
  position:absolute; inset:0;
  width:100%; height:100%;
  z-index:-1;
  display:block;
}
.hero.no-webgl #hero-canvas{display:none}
.hero::after{
  content:""; position:absolute; inset:auto 0 0 0; height:38%;
  background:linear-gradient(to top, var(--off) 30%, rgba(245,245,245,0) 100%);
  pointer-events:none; z-index:0;
}
.hero-title{
  position:relative; z-index:1;
  display:flex; flex-wrap:wrap; align-items:flex-end;
  justify-content:space-between; gap:26px 40px;
  border-top:1px solid var(--line);
  padding-top:20px;
}
.hero h1{
  font-family:var(--display);
  font-weight:600;
  font-size:clamp(20px,3.4vw,30px);
  letter-spacing:.02em;
  line-height:1.1;
  margin:0;
  color:var(--charcoal);
}
.hero .tagline{
  font-family:var(--display);
  font-weight:500;
  font-size:clamp(10px,1.5vw,12px);
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--meta);
  margin:9px 0 0;
}
.hero .tagline b{color:var(--red);font-weight:500}
.hero-meta{
  text-align:right;
  font-family:var(--display);
  font-weight:500;
  font-size:clamp(10px,1.4vw,11.5px);
  letter-spacing:.16em; text-transform:uppercase;
  color:var(--meta);
  line-height:2;
  margin:0;
}
@media (max-width:560px){ .hero-meta{text-align:left} }
.scrollcue{
  position:absolute; left:var(--gut); bottom:clamp(16px,3vh,26px);
  font-family:var(--display); font-weight:600;
  font-size:9.5px; letter-spacing:.2em; text-transform:uppercase;
  color:var(--meta);
  display:none;
  z-index:1;
  margin:0;
}
@media (min-width:900px) and (min-height:640px){.scrollcue{display:block}}

/* ---------- IMAGE FRAMES ---------- */
.project{
  height:88svh; min-height:460px;
  max-height:1100px;
  align-items:stretch;
}
@media (max-width:699px){
  .project{height:78svh; min-height:420px; max-height:none}
}
@media (min-width:700px) and (max-width:1023px){
  .project{height:76svh}
}
/* the first frame of a page carries the h1 and runs the full viewport */
.project--opener{height:100svh; min-height:520px; max-height:none}

.plate{
  position:relative;
  flex:1 1 auto;
  background:var(--charcoal);
  overflow:hidden;
}
.plate img{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit:cover;
}

/* legibility strategy: a bottom scrim tuned so the entire caption zone sits
   above ~.66 alpha. White on that composite clears 4.5:1 even where the
   underlying photograph is a blown-out sky. */
.scrim{
  position:absolute; inset:auto 0 0 0;
  height:62%;
  background:linear-gradient(to top,
    rgba(20,20,20,.90) 0%,
    rgba(20,20,20,.82) 30%,
    rgba(20,20,20,.55) 55%,
    rgba(20,20,20,.22) 80%,
    rgba(20,20,20,0) 100%);
  pointer-events:none;
}
@media (max-width:699px){
  /* captions stack taller on a narrow frame: taller, denser scrim */
  .scrim{
    height:82%;
    background:linear-gradient(to top,
      rgba(20,20,20,.92) 0%,
      rgba(20,20,20,.86) 35%,
      rgba(20,20,20,.60) 62%,
      rgba(20,20,20,.25) 85%,
      rgba(20,20,20,0) 100%);
  }
}

.caption{
  position:absolute; z-index:var(--z-overlay);
  left:var(--gut); right:var(--gut);
  bottom:clamp(30px,7vh,64px);
  color:#fff;
  display:flex; flex-wrap:wrap; align-items:flex-end;
  justify-content:space-between; gap:14px 32px;
}
.caption .index{
  font-family:var(--display); font-weight:600;
  font-size:10px; letter-spacing:.2em;
  color:rgba(255,255,255,.86);
  margin:0 0 12px;
}
.caption h1,
.caption h2{
  font-family:var(--display);
  font-weight:500;
  font-size:clamp(26px,5.2vw,58px);
  letter-spacing:-.025em;
  line-height:1.02;
  margin:0;
  text-wrap:balance;
}
.caption dl{
  display:flex; flex-wrap:wrap; gap:6px 14px;
  margin:14px 0 0;
  font-family:var(--display);
  font-weight:500;
  font-size:clamp(10px,1.4vw,11.5px);
  letter-spacing:.16em; text-transform:uppercase;
  color:rgba(255,255,255,.9);
}
.caption dt{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.caption dd{margin:0}
.caption dd ~ dd::before{content:"·"; margin-right:14px; color:rgba(255,255,255,.55)}
@media (max-width:699px){
  .caption dl{flex-direction:column; gap:3px; margin-top:12px}
  .caption dd ~ dd::before{display:none}
}
.caption .rule{
  width:34px; height:1px; background:var(--red);
  margin:0 0 16px;
}

/* Built work is photographed, in black and white. Proposed work is colour
   rendering. The status chip states which, on every frame. */
.status{
  font-family:var(--display); font-weight:600;
  font-size:10px; letter-spacing:.18em; text-transform:uppercase;
  padding:6px 11px; border-radius:2px;
  white-space:nowrap;
  align-self:flex-end;
  margin:0;
}
.status--built{color:#fff; border:1px solid rgba(255,255,255,.6)}
.status--proposed{color:#fff; background:var(--red); border:1px solid var(--red)}

/* subtle entrance — enhances an already-visible default */
.reveal{transition:opacity .7s var(--ease), transform .7s var(--ease)}
html.js .reveal{opacity:.55; transform:translateY(14px)}
html.js .reveal.in{opacity:1; transform:none}
@media (prefers-reduced-motion:reduce){
  html.js .reveal{opacity:1; transform:none; transition:none}
}

/* ---------- INTERLUDES ---------- */
.interlude{
  min-height:66svh;
  background:var(--white);
  align-items:center;
  padding:clamp(64px,14vh,150px) var(--gut);
}
.interlude p,
.interlude h1{
  font-family:var(--display);
  font-weight:400;
  font-size:clamp(24px,4.4vw,52px);
  line-height:1.16;
  letter-spacing:-.02em;
  color:var(--charcoal);
  margin:0;
  max-width:18ch;
  text-wrap:balance;
}
.interlude--off{background:var(--off)}
/* an interlude that opens a page carries the h1 and runs the full viewport */
.interlude--tall{min-height:100svh}
.interlude--tall h1{font-size:clamp(34px,6.2vw,76px); max-width:24ch}
.interlude > div{max-width:100%}
.interlude .cta{margin-top:clamp(28px,5vh,44px)}
.interlude .foot{
  font-family:var(--display); font-weight:500;
  font-size:clamp(10px,1.4vw,11.5px);
  letter-spacing:.16em; text-transform:uppercase;
  color:var(--meta);
  max-width:62ch;
  margin:clamp(20px,4vh,32px) 0 0;
  line-height:2.1;
}

/* ---------- LIST FRAMES (service index, sequence, principals) ---------- */
.listframe{
  min-height:100svh;
  background:var(--charcoal);
  color:#fff;
  flex-direction:column;
  justify-content:center;
  padding:clamp(80px,14vh,140px) var(--gut);
}
.listframe--light{background:var(--off); color:var(--ink)}
.listframe .eyebrow{color:rgba(255,255,255,.66); margin:0 0 clamp(28px,6vh,56px)}
.listframe--light .eyebrow{color:var(--meta)}
.listframe ol,
.listframe ul{list-style:none; margin:0; padding:0}
.listframe li{border-top:1px solid rgba(255,255,255,.16)}
.listframe li:last-child{border-bottom:1px solid rgba(255,255,255,.16)}
.listframe--light li{border-top-color:var(--line)}
.listframe--light li:last-child{border-bottom-color:var(--line)}

.row{
  display:flex; flex-wrap:wrap; align-items:baseline; gap:6px 24px;
  justify-content:space-between;
  text-decoration:none;
  padding:clamp(20px,4.2vh,40px) 0;
  transition:color .3s var(--ease), padding-left .4s var(--ease);
}
a.row:hover{color:#fff; padding-left:12px}
.listframe--light a.row:hover{color:var(--charcoal)}
.listframe h2:not(.eyebrow),
.listframe h3{
  font-family:var(--display);
  font-weight:500;
  font-size:clamp(26px,5.4vw,62px);
  letter-spacing:-.03em;
  line-height:1;
  margin:0;
  color:#fff;
}
.listframe--light h2:not(.eyebrow),
.listframe--light h3{color:var(--charcoal)}
.listframe .note{
  font-family:var(--display);
  font-weight:500;
  font-size:clamp(10px,1.4vw,11.5px);
  letter-spacing:.16em; text-transform:uppercase;
  color:rgba(255,255,255,.72);
}
.listframe--light .note{color:var(--meta)}
a.row:hover .note{color:var(--red)}
@media (prefers-reduced-motion:reduce){ a.row:hover{padding-left:0} }

/* a real sequence: design → permits → construction. The numbers carry order,
   which is the information the reader needs. */
.sequence li{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:0 clamp(18px,4vw,48px);
  padding:clamp(20px,4vh,36px) 0;
  align-items:baseline;
}
.sequence .n{
  font-family:var(--display); font-weight:600;
  font-size:11px; letter-spacing:.2em;
  color:var(--red);
  grid-column:1; grid-row:1 / span 2;
  margin:0;
}
.sequence h3{
  grid-column:2; grid-row:1;
  font-size:clamp(22px,3.6vw,38px); letter-spacing:-.02em;
}
.sequence p:not(.n){
  grid-column:2; grid-row:2;
  margin:10px 0 0;
  font-family:var(--body);
  font-size:clamp(14px,1.6vw,16px);
  line-height:1.65;
  color:rgba(255,255,255,.82);
  max-width:58ch;
}
.listframe--light .sequence p:not(.n){color:var(--ink)}

/* principals */
.people li{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  padding:clamp(22px,4.5vh,40px) 0;
}
@media (min-width:760px){
  .people li{
    grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);
    gap:0 clamp(28px,5vw,64px);
    align-items:baseline;
  }
}
.people h3{font-size:clamp(24px,3.8vw,40px)}
.people .role{
  font-family:var(--display); font-weight:600;
  font-size:11px; letter-spacing:.18em; text-transform:uppercase;
  color:var(--red);
  margin:10px 0 0;
}
.people .bio{
  margin:14px 0 0;
  font-family:var(--body);
  font-size:clamp(14px,1.6vw,16px);
  line-height:1.65;
  color:rgba(255,255,255,.82);
  max-width:56ch;
}
.listframe--light .people .bio{color:var(--ink)}

/* ---------- CONTACT ---------- */
.contact{
  min-height:100svh;
  background:var(--off);
  flex-direction:column;
  justify-content:center;
  padding:clamp(90px,15vh,150px) var(--gut) clamp(70px,10vh,110px);
}
.contact .lead{
  font-family:var(--display);
  font-weight:400;
  font-size:clamp(28px,5.6vw,66px);
  letter-spacing:-.025em;
  line-height:1.05;
  color:var(--charcoal);
  margin:0 0 clamp(36px,7vh,64px);
  max-width:14ch;
  text-wrap:balance;
}
.contact-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(190px,1fr));
  gap:clamp(24px,5vw,48px) clamp(28px,5vw,56px);
  align-items:start;
  border-top:1px solid var(--line);
  padding-top:clamp(24px,4vh,36px);
}
address.contact-grid{font-style:normal}
.contact-grid div{min-width:0}
.contact-grid .k{
  font-family:var(--display); font-weight:600;
  font-size:10px; letter-spacing:.2em; text-transform:uppercase;
  color:var(--meta);
  margin:0 0 8px;
}
.contact-grid .v{
  font-family:var(--body);
  font-size:clamp(14px,1.6vw,16px);
  line-height:1.55;
  color:var(--charcoal);
  margin:0;
}
.contact-grid a{text-decoration:none; border-bottom:1px solid var(--line); padding-bottom:1px}
.contact-grid a:hover{border-bottom-color:var(--red); color:var(--red)}

.cta{
  display:inline-flex; align-items:center; gap:12px;
  margin-top:clamp(36px,6vh,56px);
  background:var(--red); color:#fff;
  font-family:var(--display); font-weight:600;
  font-size:12px; letter-spacing:.18em; text-transform:uppercase;
  padding:17px 30px; border-radius:2px;
  text-decoration:none;
  transition:background .25s var(--ease);
  align-self:flex-start;
}
.cta:hover{background:var(--red-dark)}
.cta span{transition:transform .3s var(--ease)}
.cta:hover span{transform:translateX(4px)}
@media (prefers-reduced-motion:reduce){.cta:hover span{transform:none}}

/* ---------- FOOTER ---------- */
.pagefoot{
  background:var(--off);
  border-top:1px solid var(--line);
  padding:22px var(--gut) 54px;
  display:flex; flex-wrap:wrap; gap:8px 24px; justify-content:space-between;
  font-family:var(--display); font-weight:500;
  font-size:10px; letter-spacing:.16em; text-transform:uppercase;
  color:var(--meta);
}
.pagefoot p{margin:0}