/* ============================================================
   LEDNomad — main.css
   Black & white canvas. Light is the only color.
   ============================================================ */

:root{
  /* nomadic palette — espresso earth + sun-bleached bone, never pure black/white */
  --ink:#100b07;
  --paper:#e9e0cf;
  --paper-dim:#dbd0b9;
  --line:rgba(233,224,207,.16);
  --line-ink:rgba(16,11,7,.16);

  /* earth accents */
  --clay:#b06a3d;
  --sand:#c9a36a;
  --pine:#24321f;
  --moss:#6e8259;

  /* kelvin accents */
  --k2700:#ffab5e;
  --k3000:#ffc38a;
  --k4000:#ffe8cf;
  --glow:var(--k2700);

  --font-display:"Young Serif",Georgia,serif;
  --font-body:"Archivo",Helvetica,Arial,sans-serif;

  --ease:cubic-bezier(.22,1,.36,1);
  --pad:clamp(1.25rem,5vw,6rem);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font-body);
  font-weight:300;
  font-size:1rem;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:var(--glow);color:var(--ink)}
img{display:block;width:100%;height:100%;object-fit:cover}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}

/* RGB mode: the accent itself cycles hue */
body[data-kelvin="rgb"]{--glow:#ff5c8a}
body[data-kelvin="rgb"] .hero__glow,
body[data-kelvin="rgb"] .craft__glow.is-rgb,
body[data-kelvin="rgb"] .hero__title em{animation:huecycle 9s linear infinite}
body[data-kelvin="3000"]{--glow:var(--k3000)}
body[data-kelvin="4000"]{--glow:var(--k4000)}
@keyframes huecycle{to{filter:hue-rotate(360deg)}}

/* pine-sprig cursor (mouse/fine-pointer only; JS adds .cursor-custom) */
body.cursor-custom,body.cursor-custom *{cursor:url("/lednomad-cursor.png") 4 0,auto!important}

.grain{
  position:fixed;inset:-50%;z-index:9990;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity:.055;
  animation:grain 8s steps(10) infinite;
}
@keyframes grain{
  0%,100%{transform:translate(0,0)}10%{transform:translate(-2%,-3%)}
  30%{transform:translate(3%,-2%)}50%{transform:translate(-3%,2%)}
  70%{transform:translate(2%,3%)}90%{transform:translate(-2%,1%)}
}

/* ---------- loader ---------- */
.loader{
  position:fixed;inset:0;z-index:9995;background:var(--ink);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.6rem;
  transition:opacity .7s var(--ease),visibility .7s;
}
.loader.is-done{opacity:0;visibility:hidden}
.loader__word{
  font-family:var(--font-display);font-weight:300;
  font-size:clamp(1.6rem,4vw,2.4rem);letter-spacing:.02em;
}
.loader__word span{font-style:normal;color:var(--glow)}
.loader__dimmer{width:min(220px,50vw);height:1px;background:var(--line);overflow:hidden}
.loader__dimmer i{
  display:block;height:100%;width:100%;background:var(--glow);
  transform:scaleX(0);transform-origin:left;
  animation:dim 1.1s var(--ease) forwards;
  box-shadow:0 0 12px var(--glow);
}
@keyframes dim{to{transform:scaleX(1)}}

/* ---------- header ---------- */
.site-head{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;gap:1.5rem;
  padding:1.1rem var(--pad);
  color:var(--paper);
  border-bottom:1px solid transparent;
  transition:transform .5s var(--ease),background .5s var(--ease),
             backdrop-filter .5s var(--ease),border-color .5s var(--ease),padding .5s var(--ease);
}
.site-head.is-scrolled{
  background:rgba(16,11,7,.62);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom-color:var(--line);
  padding-top:.85rem;padding-bottom:.85rem;
}
.site-head.is-hidden{transform:translateY(-104%)}
.brand{
  display:flex;align-items:center;gap:.55rem;
  font-family:var(--font-display);font-size:1.15rem;font-weight:400;letter-spacing:.02em;
}
.brand em{font-style:normal;font-weight:400;color:var(--sand)}
.brand__mark{width:20px;height:20px;stroke:var(--paper);fill:none;stroke-width:1.5}
.brand__mark rect{fill:var(--paper)}
.brand__rays{transform-origin:center;transition:transform .8s var(--ease)}
.brand:hover .brand__rays{transform:rotate(45deg)}
.site-nav{display:flex;gap:clamp(1rem,2.4vw,2rem)}
.site-nav a{
  font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;position:relative;
}
.site-nav a::after{
  content:"";position:absolute;left:0;bottom:-4px;width:100%;height:1px;
  background:currentColor;transform:scaleX(0);transform-origin:right;
  transition:transform .45s var(--ease);
}
.site-nav a:hover::after{transform:scaleX(1);transform-origin:left}
@media(max-width:900px){.site-nav{display:none}}

/* ---------- buttons (stitched patch, not pill) ---------- */
.btn{
  position:relative;display:inline-block;overflow:hidden;white-space:nowrap;
  font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;
  border:1px solid var(--paper);border-radius:0;
  padding:.8rem 1.6rem;transition:color .4s var(--ease),border-color .4s;
  isolation:isolate;
}
.btn::before{
  content:"";position:absolute;inset:0;z-index:-1;background:var(--paper);
  transform:translateY(101%);transition:transform .45s var(--ease);
}
.btn::after{
  content:"";position:absolute;inset:4px;pointer-events:none;
  border:1px dashed color-mix(in srgb,var(--paper) 45%,transparent);
  transition:border-color .4s;
}
.btn:hover{color:var(--ink)}
.btn:hover::before{transform:translateY(0)}
.btn:hover::after{border-color:color-mix(in srgb,var(--ink) 45%,transparent)}

/* ---------- section shared ---------- */
.section-tag{
  font-size:.72rem;letter-spacing:.3em;text-transform:uppercase;
  color:var(--sand);opacity:.85;
  margin-bottom:1.4rem;
  display:flex;align-items:center;gap:.7rem;
}
.section-tag::before{
  content:"";width:7px;height:7px;transform:rotate(45deg);
  background:var(--clay);flex:none;
}
.craft .section-tag{justify-content:center}
.section-title{
  font-family:var(--font-display);font-weight:400;
  font-size:clamp(2.1rem,5vw,3.9rem);line-height:1.08;letter-spacing:-.005em;
}
.section-title i{font-style:normal;color:var(--sand)}
.work .section-title i{color:#8c5731}
.cta .section-title i{color:var(--sand)}
/* zigzag trail-rule under section titles */
.section-title::after{
  content:"";display:block;width:128px;height:6px;margin-top:1.3rem;
  background:
    linear-gradient(-45deg,color-mix(in srgb,currentColor 60%,transparent) 4px,transparent 0),
    linear-gradient(45deg,color-mix(in srgb,currentColor 60%,transparent) 4px,transparent 0);
  background-size:9px 9px;background-repeat:repeat-x;
  opacity:.5;
}

/* animated headings — eyebrow rises, title wipes up behind it */
.section-tag.reveal{transition-delay:0s}
.section-title.reveal{
  opacity:1;transform:none;
  clip-path:inset(0 0 108% 0);
  transition:clip-path 1.1s var(--ease) .12s;
}
.section-title.reveal.is-in{clip-path:inset(0 0 -18% 0)}

/* ---------- hero ---------- */
.hero{
  min-height:100svh;position:relative;
  display:flex;flex-direction:column;justify-content:center;
  padding:clamp(6.5rem,12vh,9rem) var(--pad) 4rem;overflow:hidden;
}
/* flowing contour terrain — free-placed via the topo-placer tool
   (position with left/top %, transform for rotate+scale; all responsive) */
.hero__topo{
  position:absolute;z-index:0;pointer-events:none;
  width:100%;height:auto;object-fit:fill;max-width:none;
  transform-origin:center center;
  /* ↓↓↓ EDITABLE: paste values from /topo-placer.html here ↓↓↓ */
  left:62.5%;top:89.5%;
  transform:translate(-50%,-50%) rotate(-20deg) scale(1.28);
  opacity:.09;
  /* ↑↑↑ EDITABLE ↑↑↑ */
}
@media(max-width:640px){.hero__topo{opacity:.3}}
.hero>*:not(.hero__topo):not(.hero__glow){position:relative;z-index:1}
.hero__glow{
  position:absolute;inset:0;pointer-events:none;z-index:0;
  background:radial-gradient(ellipse 62% 48% at 72% 82%,
    color-mix(in srgb,var(--glow) 26%,transparent) 0%,
    color-mix(in srgb,var(--glow) 9%,transparent) 38%,
    transparent 72%);
  transition:background 1.2s var(--ease);
}
.hero__eyebrow{
  font-size:.75rem;letter-spacing:.32em;text-transform:uppercase;
  color:var(--sand);opacity:.9;
  margin-bottom:2.2rem;
  display:flex;align-items:center;gap:.7rem;
}
.hero__eyebrow::before{
  content:"";width:7px;height:7px;transform:rotate(45deg);
  background:var(--clay);flex:none;
}
.hero__title{
  font-family:var(--font-display);font-weight:400;
  font-size:clamp(2.6rem,7.6vw,6.4rem);
  line-height:1.06;letter-spacing:-.005em;
  margin-bottom:2.2rem;max-width:15ch;
}
/* Young Serif has no italic — accents speak through color, not slant */
.hero__title i,.hero__title em{font-style:normal;font-weight:400}
.hero__title em{
  color:var(--glow);
  text-shadow:
    0 0 18px color-mix(in srgb,var(--glow) 45%,transparent),
    0 0 55px color-mix(in srgb,var(--glow) 32%,transparent),
    0 0 110px color-mix(in srgb,var(--glow) 22%,transparent);
  transition:color 1s var(--ease),text-shadow 1s var(--ease);
}
.hero__title .line{display:block;overflow:hidden}
.hero__title .line>i,
.hero__title .line>em{display:inline}
.hero__sub{max-width:44ch;opacity:.72;font-size:clamp(.95rem,1.4vw,1.08rem);margin-bottom:3.2rem}

/* line-mask entrance */
.hero__title .line{
  clip-path:inset(0 0 100% 0);
  animation:lineup 1s var(--ease) forwards;
}
.hero__title .line:nth-child(1){animation-delay:.15s}
.hero__title .line:nth-child(2){animation-delay:.28s}
.hero__title .line:nth-child(3){animation-delay:.41s}
@keyframes lineup{to{clip-path:inset(0 0 -10% 0)}}

/* kelvin control */
.kelvin{display:flex;align-items:center;gap:1.4rem;flex-wrap:wrap}
.kelvin__label{
  font-family:var(--font-display);font-size:.95rem;color:var(--sand);opacity:.85;
}
.kelvin__rail{
  display:flex;gap:.4rem;padding:.35rem;
  border:1px solid var(--line);border-radius:0;
  backdrop-filter:blur(10px);background:rgba(233,224,207,.03);
}
.kelvin__stop{
  display:flex;align-items:center;gap:.5rem;
  font-size:.74rem;letter-spacing:.14em;
  padding:.5rem .95rem;border-radius:0;opacity:.55;
  transition:opacity .3s,background .3s;
}
.kelvin__stop i{
  width:8px;height:8px;border-radius:0;transform:rotate(45deg);
  background:var(--paper);opacity:.5;
  transition:opacity .4s var(--ease),box-shadow .4s var(--ease);
}
.kelvin__stop[data-k="2700"] i{background:var(--k2700)}
.kelvin__stop[data-k="3000"] i{background:var(--k3000)}
.kelvin__stop[data-k="4000"] i{background:var(--k4000)}
.kelvin__stop.is-active{opacity:1;background:rgba(233,224,207,.07)}
.kelvin__stop.is-active i{
  opacity:1;box-shadow:0 0 14px 2px color-mix(in srgb,var(--glow) 70%,transparent);
}
.kelvin__stop:hover{opacity:.9}

/* ---------- marquee ---------- */
.marquee{overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:1.05rem 0}
.marquee__track{
  display:flex;gap:2.6rem;width:max-content;
  animation:scroll 36s linear infinite;
}
.marquee__track--rev{animation-direction:reverse}
.marquee span{
  font-family:var(--font-display);font-weight:400;
  font-size:.98rem;white-space:nowrap;opacity:.75;
}
.marquee b{
  font-size:0;align-self:center;flex:none;
  width:7px;height:7px;transform:rotate(45deg);
  background:var(--clay);
}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ---------- work (edge-to-edge carousel) ---------- */
/* faint kilim lattice woven into the bone section */
.work{
  background-color:var(--paper);color:var(--ink);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='44' height='44'%3E%3Cpath d='M22 3 41 22 22 41 3 22Z' fill='none' stroke='%23100b07' stroke-opacity='.024'/%3E%3C/svg%3E");
  background-size:44px 44px;
}
.work{padding:clamp(5rem,10vw,9rem) 0}
.work .section-tag{color:#8c5731;opacity:.95}
.work__head{margin-bottom:clamp(2.5rem,5vw,4rem);padding:0 var(--pad)}
.carousel{position:relative}

.carousel__track{
  display:flex;gap:clamp(1rem,2.2vw,2rem);
  overflow-x:auto;overflow-y:hidden;
  -webkit-overflow-scrolling:touch;
  padding:1.8rem 0 1.2rem;   /* headroom so an enlarged photo isn't clipped */
  scrollbar-width:none;
  cursor:grab;
}
.carousel__track:active{cursor:grabbing}
.carousel__track::-webkit-scrollbar{display:none}

.slide{
  flex:0 0 auto;
  width:clamp(280px,42vw,600px);
}
.slide__img{
  overflow:hidden;border-radius:0;background:#181008;
  aspect-ratio:3/2;
}
.slide__img img{
  transition:transform 1.1s var(--ease),filter 1.1s var(--ease);
  will-change:transform;
}
.slide:hover .slide__img img{transform:scale(1.05)}
/* stamped corner ticks — like registration marks on a field map */
.slide{position:relative}
.slide::before{
  content:"";position:absolute;width:16px;height:16px;pointer-events:none;z-index:2;
  top:-6px;left:-6px;
  border-top:1px solid var(--ink);border-left:1px solid var(--ink);
  opacity:.55;transition:opacity .4s;
}
.slide .slide__img::after{
  content:"";position:absolute;right:6px;bottom:6px;width:16px;height:16px;
  border-bottom:1px solid var(--paper);border-right:1px solid var(--paper);
  opacity:.6;pointer-events:none;
}
.slide__img{position:relative}
.slide:hover::before,.slide:hover .slide__img::after{opacity:.95}

.slide figcaption{
  display:flex;align-items:baseline;gap:1rem;flex-wrap:wrap;
  padding-top:1rem;
}
.slide__num{font-size:.7rem;letter-spacing:.22em;opacity:.5}
.slide figcaption strong{
  font-family:var(--font-display);font-weight:400;font-size:1.15rem;letter-spacing:.01em;
}
.slide__meta{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;opacity:.5}

/* scrubber bar navigator — hover a region to pull that photo to center & enlarge it */
.carousel__bar{
  position:relative;
  width:clamp(260px,54vw,720px);height:28px;   /* 28px hover/hit area */
  margin:clamp(1.6rem,3.4vw,2.6rem) auto 0;
  cursor:pointer;touch-action:none;
  --seg:12.5%;                                  /* 100 / photo-count, set in JS */
}
.carousel__bar__track{
  position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);
  height:2px;background:color-mix(in srgb,var(--ink) 20%,transparent);
}
.carousel__bar:hover .carousel__bar__track{background:color-mix(in srgb,var(--ink) 30%,transparent)}
.carousel__bar__fill{
  position:absolute;top:50%;left:0;width:var(--seg);height:3px;
  transform:translateY(-50%);
  background:var(--glow);
  box-shadow:0 0 12px 1px color-mix(in srgb,var(--glow) 60%,transparent);
  transition:left .5s var(--ease),background 1s;
}
.carousel__bar:hover .carousel__bar__fill{transition:left .35s var(--ease)}
.carousel__bar:focus-visible{outline:1px dashed color-mix(in srgb,var(--ink) 40%,transparent);outline-offset:6px}
body[data-kelvin="rgb"] .carousel__bar__fill{animation:huecycle 9s linear infinite}

/* focused photo: raised above neighbours and gently enlarged */
.slide__img{transition:transform .55s var(--ease)}
.slide.is-focus{z-index:3}
.slide.is-focus .slide__img{transform:scale(1.09)}

@media(max-width:640px){
  .slide{width:min(82vw,420px)}
}

/* ---------- craft (sticky kelvin story) ---------- */
.craft{position:relative}
.craft__sticky{
  position:sticky;top:0;height:100svh;
  display:flex;flex-direction:column;justify-content:center;align-items:center;
  text-align:center;overflow:hidden;padding:0 var(--pad);
}
.craft__glow{
  position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(ellipse 55% 42% at 50% 58%,
    color-mix(in srgb,var(--craft-glow,#ffab5e) 30%,transparent),
    transparent 70%);
  transition:background 1s var(--ease);
}
.craft__k{
  font-family:var(--font-display);font-weight:400;
  font-size:clamp(4rem,14vw,10.5rem);line-height:1;letter-spacing:-.01em;
  display:block;
  transition:opacity .4s;
}
.craft__k i{font-style:normal;font-size:.45em;opacity:.65}
.craft__desc{
  max-width:38ch;margin:1.6rem auto 0;opacity:.7;
  font-size:clamp(.95rem,1.3vw,1.05rem);
  transition:opacity .4s;
}
.craft__scale{
  position:absolute;bottom:3rem;left:50%;transform:translateX(-50%);
  display:flex;gap:2.4rem;
}
.craft__tick{
  font-size:.72rem;letter-spacing:.2em;opacity:.35;
  transition:opacity .4s,color .4s;
}
.craft__tick.is-active{opacity:1;color:var(--craft-glow,#ffab5e)}
.craft__steps{position:relative;z-index:-1;margin-top:-100svh}
.craft__step{height:100svh}
.craft.is-fading .craft__k,.craft.is-fading .craft__desc{opacity:0}

/* ---------- services ledger ---------- */
.services{padding:clamp(5rem,10vw,9rem) var(--pad)}
.ledger{list-style:none;max-width:1100px;margin:0 auto}
.ledger__row{
  position:relative;
  display:grid;grid-template-columns:1fr;grid-template-rows:auto auto;
  padding:2.1rem 1rem;
  border-bottom:1px solid var(--line);
  transition:padding-left .5s var(--ease);
}
.ledger__row:first-child{border-top:1px solid var(--line)}
.ledger__row::before{
  content:"";position:absolute;left:0;bottom:-1px;height:1px;width:100%;
  background:linear-gradient(90deg,var(--glow),transparent 65%);
  transform:scaleX(0);transform-origin:left;
  transition:transform .7s var(--ease);
}
.ledger__row:hover::before{transform:scaleX(1)}
.ledger__row:hover{padding-left:1.8rem}
.ledger__row h3{
  font-family:var(--font-display);font-weight:300;
  font-size:clamp(1.5rem,3.2vw,2.3rem);letter-spacing:-.005em;
  transition:color .4s;
}
.ledger__row:hover h3{color:var(--glow)}
.ledger__row p{
  max-width:52ch;opacity:.55;font-size:.92rem;margin-top:.35rem;
}

/* ---------- call to action (deep pine — same canvas as former territory) ---------- */
.cta{
  background-color:var(--pine);color:var(--paper);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='44' height='44'%3E%3Cpath d='M22 3 41 22 22 41 3 22Z' fill='none' stroke='%23e9e0cf' stroke-opacity='.03'/%3E%3C/svg%3E");
  background-size:44px 44px;
  padding:clamp(6rem,12vw,10rem) var(--pad);
}
.cta .section-tag{color:var(--sand);opacity:.95}
.cta__note{color:color-mix(in srgb,var(--paper) 78%,var(--pine))}
.cta__note{max-width:46ch;opacity:.65;margin:1.4rem 0 3.5rem}
.cta__email{
  display:inline-block;
  font-family:var(--font-display);font-weight:400;
  font-size:clamp(1.7rem,4.2vw,3rem);line-height:1.25;
  transition:text-shadow .5s var(--ease),color .5s;
}
.cta__email:hover{
  color:var(--clay);
  text-shadow:0 0 34px color-mix(in srgb,var(--glow) 80%,transparent);
}

/* ---------- footer ---------- */
.site-foot{border-top:1px solid var(--line)}
.site-foot .marquee{border:0;border-bottom:1px solid var(--line)}
.site-foot__row{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;
  padding:1.4rem var(--pad);
  font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;opacity:.6;
}
.site-foot__row a{position:relative}
.site-foot__row a:hover{opacity:1;color:var(--glow)}

/* ---------- small screens ---------- */
@media(max-width:560px){
  .btn--head{padding:.55rem 1rem;font-size:.66rem;letter-spacing:.12em}
  .brand{font-size:1rem}
  .kelvin{gap:.9rem}
  .kelvin__rail{padding:.25rem;gap:.15rem}
  .kelvin__stop{padding:.45rem .55rem;font-size:.64rem;letter-spacing:.08em;gap:.3rem}
  .piece--right,.piece--left{margin-left:0;margin-right:0}
}

/* ---------- reveal ---------- */
.reveal{
  opacity:0;transform:translateY(34px);
  transition:opacity 1s var(--ease),transform 1s var(--ease);
}
.reveal.is-in{opacity:1;transform:none}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
  .hero__title .line,.section-title.reveal{clip-path:none}
}