/* ---------- Tokens ---------- */
:root {
  --bg: #f1ece2;
  --paper: #f8f5ee;
  --ink: #1b1a17;
  --muted: #68645b;
  --line: #d6cfc0;
  --accent: #2d5b45;   /* deep green */
  --cork: #b98f5a;     /* used sparingly on dark */
  --error: #9b2c1f;
  --serif: "Instrument Serif", Georgia, "Times New Roman", serif;
  --sans: "Hanken Grotesk", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --max: 1200px;
  --space: clamp(4.5rem, 9vw, 8rem);
  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 4.5rem; }
body { font: 400 1.0625rem/1.7 var(--sans); color: var(--ink); background: var(--bg); overflow-x: clip; -webkit-font-smoothing: antialiased; }
body.no-scroll { overflow: hidden; }
img { display: block; width: 100%; height: 100%; object-fit: cover; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.05; letter-spacing: -.01em; }
h2 { font-size: clamp(2.25rem, 5vw, 4rem); }
h3 { font-size: 1.6rem; line-height: 1.15; }
.wrap { width: min(100% - 2 * var(--gutter), var(--max)); margin-inline: auto; }
.section { padding-block: var(--space); }

/* ---------- Buttons and links ---------- */
.btn { display: inline-block; padding: .95rem 1.7rem; background: var(--ink); color: var(--paper); border: 1px solid var(--ink); font: 600 .95rem var(--sans); cursor: pointer; transition: background .25s, border-color .25s; }
.btn:hover { background: var(--accent); border-color: var(--accent); }
.btn-sm { padding: .5rem 1.1rem; border: 1px solid var(--ink); font-size: .9rem; font-weight: 500; transition: background .25s, color .25s; }
.btn-sm:hover { background: var(--ink); color: var(--paper); }
.link { font-weight: 500; background: linear-gradient(currentColor, currentColor) 0 100% / 100% 1px no-repeat; padding-bottom: 2px; transition: background-size .3s var(--ease), color .25s; }
.link:hover { color: var(--accent); background-size: 40% 1px; }

/* ---------- Header ---------- */
.site-header { position: fixed; inset: 0 0 auto; z-index: 50; transition: background .3s, border-color .3s; border-bottom: 1px solid transparent; }
.site-header.scrolled { background: var(--bg); border-color: var(--line); }
.bar { display: flex; align-items: center; justify-content: space-between; padding-block: 1.4rem; transition: padding .3s; }
.scrolled .bar { padding-block: .65rem; }
.logo { position: relative; z-index: 2; font: 500 1.05rem var(--sans); letter-spacing: .01em; }
.logo b { font: 400 1.7rem/1 var(--serif); margin-right: .2rem; color: var(--accent); }
.menu-btn { position: relative; z-index: 2; width: 44px; height: 44px; display: grid; place-content: center; gap: 6px; background: none; border: 0; cursor: pointer; }
.menu-btn span { width: 26px; height: 2px; background: var(--ink); transition: transform .3s var(--ease); }
.menu-btn[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
.nav { position: fixed; inset: 0; z-index: 1; display: flex; flex-direction: column; justify-content: center; gap: 1.1rem; padding: 5rem var(--gutter) 2rem; background: var(--bg); font: 400 2.2rem var(--serif); transform: translateY(-100%); visibility: hidden; transition: transform .4s var(--ease), visibility .4s; }
.nav.open { transform: none; visibility: visible; }
.nav .btn-sm { align-self: flex-start; font-family: var(--sans); font-size: 1rem; margin-top: 1rem; }

/* ---------- Hero ---------- */
.hero { display: grid; gap: 3.5rem; align-items: center; padding-top: 8rem; padding-bottom: 4rem; }
.hero h1 { font-size: clamp(3rem, 8vw, 6.4rem); line-height: .98; letter-spacing: -.02em; max-width: 12ch; }
.lead { margin-top: 1.75rem; max-width: 34rem; color: var(--muted); font-size: 1.15rem; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.75rem; margin-top: 2.25rem; }
.hero-visual { position: relative; isolation: isolate; padding: 0 1.25rem 3.25rem 3rem; }
.v-main { aspect-ratio: 4 / 5; background: #cfc6b4; overflow: hidden; }
.v-small { position: absolute; left: 0; bottom: 0; width: 38%; aspect-ratio: 1; border: 8px solid var(--bg); background: #bdb29d; overflow: hidden; }
.v-grain { position: absolute; z-index: -1; top: -1.25rem; right: 0; width: 55%; height: 45%; background: repeating-linear-gradient(172deg, var(--accent) 0 2px, #3a6c55 2px 7px); }
.v-tag { position: absolute; right: 0; bottom: 1rem; padding: .8rem 1.1rem; background: var(--paper); border-left: 3px solid var(--accent); font-size: .9rem; font-weight: 500; }

/* ---------- About ---------- */
.about { display: grid; gap: 2.5rem; border-top: 1px solid var(--line); }
.about h2 { max-width: 18ch; }
.about-img { aspect-ratio: 7 / 9; background: #cfc6b4; overflow: hidden; max-width: 28rem; }
.about-body p { max-width: 36rem; color: var(--muted); }
.about-body p + p { margin-top: 1.1rem; }
blockquote { margin: 2.25rem 0; padding-left: 1.5rem; border-left: 3px solid var(--accent); font: 400 clamp(1.5rem, 3vw, 2.1rem)/1.2 var(--serif); max-width: 30rem; }
.facts { display: grid; gap: 1.25rem; border-top: 1px solid var(--line); padding-top: 1.5rem; }
.facts dt { font-size: .85rem; color: var(--muted); }
.facts dd { font: 400 1.5rem/1.2 var(--serif); }

/* ---------- Services ---------- */
.services { display: grid; gap: 3rem; }
.svc-intro p { margin-top: 1.25rem; color: var(--muted); max-width: 26rem; }
.svc-list { list-style: none; padding: 0; border-bottom: 1px solid var(--ink); }
.svc-list li { display: grid; grid-template-columns: 2rem 1fr; gap: .5rem 1rem; padding: 1.75rem 0; border-top: 1px solid var(--ink); transition: padding .35s var(--ease), background .35s; }
.svc-list li:hover { background: var(--paper); padding-inline: 1rem; }
.svc-list .n { font: 500 .9rem var(--sans); color: var(--accent); padding-top: .35rem; }
.svc-list svg { display: none; width: 2rem; height: 2rem; fill: none; stroke: var(--accent); stroke-width: 1.4; stroke-linejoin: round; stroke-linecap: round; }
.svc-list p { margin-top: .5rem; color: var(--muted); max-width: 34rem; }
.svc-list li:first-child h3 { font-size: 2.1rem; }

/* ---------- Approach (dark) ---------- */
.approach { background: var(--ink); color: var(--paper); padding-block: var(--space); }
.ap-grid { display: grid; gap: 2.5rem; margin-top: 3.5rem; }
.ap-grid article { border-top: 1px solid #4a4740; padding-top: 1.25rem; }
.ap-grid span { display: block; font: 400 clamp(4.5rem, 8vw, 6.5rem)/1 var(--serif); color: var(--cork); }
.ap-grid h3 { margin: .75rem 0 .6rem; }
.ap-grid p { color: #bdb7aa; font-size: 1rem; }

/* ---------- Contact ---------- */
.contact { display: grid; gap: 3rem; }
.ct-info p { margin-top: 1.25rem; color: var(--muted); max-width: 26rem; }
address { font-style: normal; margin-top: 2rem; padding-left: 1.25rem; border-left: 3px solid var(--accent); line-height: 1.8; }
address a { color: var(--accent); font-weight: 600; border-bottom: 1px solid currentColor; }
.ct-form { display: grid; gap: 1.4rem; padding: clamp(1.5rem, 4vw, 2.5rem); background: var(--paper); border: 1px solid var(--line); }
.field { display: flex; flex-direction: column; gap: .4rem; }
label { font-size: .9rem; font-weight: 500; }
input, textarea { width: 100%; padding: .8rem .9rem; font: inherit; color: inherit; background: var(--bg); border: 1px solid var(--line); border-radius: 0; transition: border-color .2s; }
input:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
[aria-invalid="true"] { border-color: var(--error); }
textarea { resize: vertical; }
.err { min-height: 1.1em; font-size: .85rem; color: var(--error); }
.status { margin-top: 1rem; font-weight: 500; }
.status:empty { display: none; }
.status.ok { color: var(--accent); }
.status.bad { color: var(--error); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--ink); padding-top: 4rem; font-size: .95rem; }
.f-grid { display: grid; gap: 2.5rem; padding-bottom: 3rem; }
.f-grid p { color: var(--muted); margin-top: .75rem; max-width: 24rem; }
.f-grid h4 { font: 600 .9rem var(--sans); margin-bottom: .75rem; }
.f-grid nav, .f-grid > div:not(.f-about) { display: flex; flex-direction: column; align-items: flex-start; }
.f-grid nav a, .f-grid > div > a { padding-block: .15rem; color: var(--muted); transition: color .2s; }
.f-grid a:hover { color: var(--accent); }
.f-grid > div > p { margin: 0; line-height: 1.8; }
.copy { padding-block: 1.5rem 2rem; border-top: 1px solid var(--line); font-size: .85rem; color: var(--muted); }

/* ---------- Reveal ---------- */
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }

/* ---------- Tablet ---------- */
@media (min-width: 640px) {
  .ap-grid { grid-template-columns: 1fr 1fr; }
  .facts { grid-template-columns: repeat(3, 1fr); }
  .ct-form { grid-template-columns: 1fr 1fr; }
  .ct-form .wide { grid-column: 1 / -1; }
  .f-grid { grid-template-columns: 1.5fr 1fr 1fr; }
  .svc-list li { grid-template-columns: 2.5rem 2.5rem 1fr; }
  .svc-list svg { display: block; }
}

/* ---------- Desktop ---------- */
@media (min-width: 900px) {
  .menu-btn { display: none; }
  .nav { position: static; flex-direction: row; align-items: center; padding: 0; gap: 2.25rem; background: none; font: 500 .95rem var(--sans); transform: none; visibility: visible; transition: none; }
  .nav a:not(.btn-sm) { background: linear-gradient(var(--accent), var(--accent)) 0 100% / 0 1px no-repeat; padding-bottom: 3px; transition: background-size .3s var(--ease); }
  .nav a:not(.btn-sm):hover { background-size: 100% 1px; }
  .nav .btn-sm { margin: 0; font-size: .9rem; }
  .hero { grid-template-columns: 1.2fr .8fr; gap: 5rem; min-height: 100svh; padding-top: 7rem; }
  .hero-visual { margin-right: -1rem; }
  .about { grid-template-columns: repeat(12, 1fr); column-gap: 2rem; }
  .about h2 { grid-column: 1 / 9; }
  .about-img { grid-column: 1 / 6; margin-top: 1rem; }
  .about-body { grid-column: 7 / 13; padding-top: 4rem; }
  .services { grid-template-columns: 4fr 8fr; gap: 5rem; align-items: start; }
  .svc-intro { position: sticky; top: 7rem; }
  .ap-grid { grid-template-columns: repeat(4, 1fr); gap: 2rem; }
  .ap-grid article:nth-child(even) { margin-top: 3rem; }
  .contact { grid-template-columns: 5fr 7fr; gap: 5rem; align-items: start; }
  .f-grid { grid-template-columns: 2fr 1fr 1.2fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
}