@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@300;400&family=Instrument+Serif:ital@0;1&family=Manrope:wght@400;500;600&display=swap');

:root {
  --paper: #f2f0e8;
  --paper-deep: #e7e4d8;
  --ink: #17231f;
  --muted: #5d6863;
  --line: rgba(23, 35, 31, .22);
  --signal: #df5b35;
  --sage: #b8c6b8;
  --serif: "Instrument Serif", Georgia, serif;
  --sans: "Manrope", Arial, sans-serif;
  --mono: "DM Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
[id] { scroll-margin-top: 90px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  opacity: .035;
  pointer-events: none;
  z-index: 10;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E");
}
a { color: inherit; }
.skip-link { position: absolute; left: -9999px; top: 1rem; z-index: 20; background: var(--ink); color: var(--paper); padding: .7rem 1rem; }
.skip-link:focus { left: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  max-width: 1440px;
  margin: 0 auto;
  min-height: 90px;
  padding: 18px 4vw;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  background: rgba(242, 240, 232, .9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 0 0 100vmax rgba(242, 240, 232, .9);
  clip-path: inset(0 -100vmax);
}
.wordmark { display: flex; gap: 15px; text-decoration: none; align-items: center; line-height: 1.05; }
.wordmark-mark { font: 400 1.35rem/1 var(--serif); letter-spacing: -.08em; white-space: nowrap; border: 1px solid var(--ink); border-radius: 50%; width: 54px; height: 54px; display: flex; align-items: center; justify-content: center; }
.wordmark-mark span { color: var(--signal); }
.wordmark-name { font-size: .78rem; font-weight: 600; letter-spacing: -.02em; }
nav { display: flex; gap: clamp(1.1rem, 2.1vw, 2rem); align-items: center; font: 400 .73rem/1 var(--mono); text-transform: uppercase; letter-spacing: .05em; }
nav a { text-decoration: none; padding: .65rem 0; border-bottom: 1px solid transparent; }
nav a:hover, nav a:focus-visible { border-bottom-color: currentColor; }
.nav-contact { border: 1px solid var(--ink); border-radius: 99px; padding: .8rem 1.25rem; }
.nav-contact:hover, .nav-contact:focus-visible { background: var(--ink); color: var(--paper); }

main { overflow: hidden; }
.hero {
  max-width: 1440px;
  min-height: calc(100svh - 90px);
  margin: 0 auto;
  padding: 5vh 4vw 8vh;
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  align-items: center;
  gap: 3vw;
}
h1, h2, h3, p { margin-top: 0; }
h1 { font: 400 clamp(4.1rem, 8.2vw, 8.3rem)/.82 var(--serif); letter-spacing: -.055em; margin-bottom: 2.3rem; }
h1 em { color: var(--signal); font-weight: 400; }
.hero-intro { max-width: 580px; font-size: clamp(1.1rem, 1.6vw, 1.45rem); line-height: 1.55; letter-spacing: -.025em; }
.text-link { display: inline-flex; align-items: center; gap: 1rem; margin-top: 1.3rem; font: 400 .73rem/1 var(--mono); text-transform: uppercase; letter-spacing: .05em; text-decoration: none; border-bottom: 1px solid var(--ink); padding-bottom: .5rem; }
.text-link span { color: var(--signal); font-size: 1rem; transition: transform .2s ease; }
.text-link:hover span { transform: translateY(3px); }

.field { position: relative; width: min(100%, 610px); aspect-ratio: 1; justify-self: end; overflow: hidden; }
@keyframes breathe { 50% { r: 13px; opacity: .45; } }
.forest-eye-camera { position: absolute; inset: 0; overflow: hidden; }
.forest-eye-art {
  position: absolute;
  inset: 0;
  transform-origin: 50% 50%;
  will-change: transform;
  animation: forest-eye-zoom 18s linear infinite alternate;
}
.forest-eye-art > img { display: block; width: 100%; height: 100%; object-fit: cover; }
.eye-glass { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; mix-blend-mode: screen; pointer-events: none; animation: glass-focus 18s linear infinite alternate; }
.eye-glass .glass-wash { fill: url(#cornea-wash); }
.eye-glass .glass-arc { fill: none; stroke: rgba(255,255,255,.78); stroke-width: 13; stroke-linecap: round; filter: blur(.6px); }
.eye-glass .glass-flare { fill: url(#cornea-flare); filter: blur(2px); }
.eye-glass .glass-glint { fill: rgba(255,255,255,.82); filter: blur(.4px); }
@keyframes forest-eye-zoom {
  0%, 12% { transform: scale(20); }
  20% { transform: scale(15.6); }
  28% { transform: scale(12.2); }
  36% { transform: scale(9.5); }
  44% { transform: scale(7.4); }
  52% { transform: scale(5.8); }
  60% { transform: scale(4.5); }
  68% { transform: scale(3.5); }
  76% { transform: scale(2.7); }
  84% { transform: scale(2); }
  90% { transform: scale(1.45); }
  94%, 100% { transform: scale(1); }
}
@keyframes glass-focus {
  0%, 72% { opacity: 0; }
  80% { opacity: .08; }
  88% { opacity: .28; }
  94%, 100% { opacity: .32; }
}

.statement { background: var(--ink); color: var(--paper); padding: 14vh max(4vw, calc((100vw - 1325px)/2)); }
.statement p { max-width: 1230px; font: 400 clamp(2.5rem, 5.5vw, 5.6rem)/1.02 var(--serif); letter-spacing: -.035em; margin: 0; }
.signal-word { color: var(--signal); }

.approach { max-width: 1440px; margin: 0 auto; padding: 15vh 4vw; }
.section-heading { display: grid; grid-template-columns: .27fr 1fr; gap: 4vw; margin-bottom: 10vh; }
.section-number { font: 300 .67rem/1.3 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
h2 { font: 400 clamp(3rem, 5.3vw, 5.5rem)/.97 var(--serif); letter-spacing: -.035em; margin-bottom: 0; }
.approach-list { list-style: none; padding: 0; margin: 0; }
.approach-list li { display: grid; grid-template-columns: minmax(84px, .22fr) minmax(280px, .78fr) minmax(300px, .72fr); gap: clamp(1.5rem, 4vw, 4.5rem); align-items: center; border-top: 1px solid var(--line); padding: 2.5rem 0 3.4rem; }
.item-number { font: 300 .67rem/1 var(--mono); color: var(--signal); text-transform: uppercase; letter-spacing: .08em; }
h3 { font: 400 clamp(1.7rem, 2.4vw, 2.35rem)/1.1 var(--serif); }
.approach-list p { max-width: 560px; color: var(--muted); margin-bottom: 0; }
.approach-illustration { width: 100%; height: 220px; margin: 0; display: grid; place-items: center; overflow: hidden; }
.approach-illustration img { display: block; width: 100%; height: 100%; object-fit: contain; }
.illustration-frame img { width: 112%; max-width: none; }
.illustration-evidence img { width: 108%; max-width: none; }
.illustration-trail { position: relative; height: 280px; }
.illustration-trail img { width: 100%; max-width: none; object-fit: cover; object-position: center bottom; filter: saturate(.78) contrast(.96); }
.approach-illustration svg { display: block; width: 100%; overflow: visible; }
.approach-illustration path, .approach-illustration ellipse, .approach-illustration circle { fill: none; stroke: var(--ink); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.approach-illustration .land, .approach-illustration .tree-ring { stroke: var(--sage); }
.approach-illustration .trail, .approach-illustration .sample-leaf { stroke: var(--signal); stroke-width: 2; }
.approach-illustration .frame-line, .approach-illustration .measure { stroke: var(--ink); }
.approach-illustration .sun { fill: var(--signal); stroke: none; }
.illustration-trail .redwood-line { stroke: var(--signal); stroke-width: 2.4; }
.illustration-trail .redwood-line.distant { stroke: #a4b4a6; stroke-width: 1.8; }
.illustration-trail .trail-dots { stroke: var(--ink); stroke-width: 1.4; stroke-dasharray: 1 7; }

.feedback { background: var(--ink); color: var(--paper); padding: 15vh max(4vw, calc((100vw - 1325px)/2)); display: grid; grid-template-columns: .86fr 1fr; gap: 7vw; align-items: center; }
.feedback .section-number { color: var(--sage); }
.feedback-copy > p:last-child { max-width: 590px; margin: 2.5rem 0 0; color: rgba(242,240,232,.74); }
.feedback-loop { position: relative; width: min(100%, 620px); min-width: 0; aspect-ratio: 1; justify-self: center; }
.loop-drawing { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.loop-contour, .loop-trace { fill: none; vector-effect: non-scaling-stroke; stroke-linecap: round; stroke-linejoin: round; }
.loop-contour { stroke: rgba(242,240,232,.28); stroke-width: 1.25; }
.loop-contour-b { stroke: rgba(184,198,184,.38); stroke-dasharray: 2 8; }
.loop-trace { stroke: var(--signal); stroke-width: 3; stroke-dasharray: 14 86; animation: loop-travel 8s linear infinite; }
.feedback-loop[data-paused="true"] .loop-trace { animation-play-state: paused; }
@keyframes loop-travel { to { stroke-dashoffset: -100; } }
.loop-node { position: absolute; z-index: 3; display: grid; place-items: center; width: 92px; height: 92px; translate: -50% -50%; padding: 0; appearance: none; border: 1px solid rgba(242,240,232,.65); border-radius: 50%; background: var(--ink); color: var(--paper); cursor: pointer; font: 300 .67rem/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; transition: transform .3s ease, background .3s ease, color .3s ease, border-color .3s ease; }
.loop-node::before { content: ""; position: absolute; inset: 7px; border: 1px solid rgba(184,198,184,.36); border-radius: 50%; }
.loop-node:hover, .loop-node:focus-visible, .loop-node[aria-pressed="true"] { transform: scale(1.08); background: var(--signal); color: #fffaf0; border-color: var(--signal); }
.loop-node:focus-visible { outline: 3px solid var(--sage); outline-offset: 5px; }
.node-data { left: 18.333%; top: 50%; }
.node-insight { left: 50%; top: 18.333%; }
.node-action { left: 81.667%; top: 50%; }
.feedback-stage-copy { position: absolute; z-index: 2; left: 25%; right: 25%; top: 35%; min-height: 150px; display: grid; place-items: center; text-align: center; }
.stage-panel { display: none; max-width: 330px; }
.stage-panel.is-active { display: block; animation: stage-arrives .45s ease both; }
.stage-panel p { margin: 0; }
.stage-panel .stage-name { margin-bottom: 1rem; color: var(--signal); font: 300 .66rem/1 var(--mono); text-transform: uppercase; letter-spacing: .1em; }
.stage-panel p:last-child { font: 400 clamp(1.35rem, 2.1vw, 2rem)/1.15 var(--serif); }
@keyframes stage-arrives { from { opacity: 0; transform: translateY(8px); } }
.loop-caption { position: absolute; left: 20%; right: 20%; bottom: 5%; margin: 0; text-align: center; color: rgba(242,240,232,.48); font: 300 .58rem/1 var(--mono); text-transform: uppercase; letter-spacing: .1em; }

.inquiry { background: var(--paper-deep); padding: 15vh max(4vw, calc((100vw - 1325px)/2)); display: grid; grid-template-columns: 1fr .85fr; gap: 8vw; align-items: center; }
.inquiry-copy > p:not(.section-number) { max-width: 520px; color: var(--muted); margin-top: 2.5rem; }
.inquiry-deck { --pointer-x: 50%; --pointer-y: 50%; --tilt-x: 0deg; --tilt-y: 0deg; position: relative; min-height: 585px; perspective: 1100px; }
.notebook { position: absolute; inset: 0 0 88px; min-height: 490px; background: var(--paper); border: 1px solid var(--ink); padding: 2rem; display: flex; flex-direction: column; justify-content: space-between; transform-origin: 80% 90%; transition: transform .55s cubic-bezier(.2,.75,.25,1), opacity .4s ease, box-shadow .4s ease; }
.notebook[data-position="0"] { z-index: 5; transform: perspective(1000px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y)) rotateZ(1.5deg); box-shadow: 12px 12px 0 var(--sage); cursor: pointer; background: radial-gradient(circle at var(--pointer-x) var(--pointer-y), #fffdf5 0, var(--paper) 34%); }
.notebook[data-position="0"]::after { content: "Click to draw next ↗"; position: absolute; right: 2rem; bottom: 4.25rem; color: var(--signal); font: 300 .58rem/1 var(--mono); text-transform: uppercase; letter-spacing: .07em; opacity: 0; transform: translateY(5px); transition: opacity .25s ease, transform .25s ease; }
.inquiry-deck:hover .notebook[data-position="0"]::after, .notebook[data-position="0"]:focus-visible::after { opacity: 1; transform: translateY(0); }
.notebook[data-position="1"] { z-index: 4; transform: translate(10px, 9px) rotate(-1deg); box-shadow: 7px 7px 0 rgba(23, 35, 31, .12); }
.notebook[data-position="2"] { z-index: 3; transform: translate(18px, 17px) rotate(1.2deg); box-shadow: 4px 4px 0 rgba(23, 35, 31, .08); }
.notebook[data-position="back"] { z-index: 1; transform: translate(18px, 17px) rotate(1.2deg); opacity: 0; pointer-events: none; }
.notebook.is-shuffling { animation: shuffle-card .9s cubic-bezier(.55,.05,.25,1) forwards; }
.notebook.is-returning { animation: return-card .85s cubic-bezier(.45,.05,.2,1) forwards; pointer-events: none; }
.notebook.is-pulling { animation: pull-card .85s cubic-bezier(.2,.8,.2,1) forwards; pointer-events: none; }
.inquiry-deck:hover .notebook[data-position="1"] { transform: translate(25px, 13px) rotate(3.5deg); }
.inquiry-deck:hover .notebook[data-position="2"] { transform: translate(-14px, 22px) rotate(-2.5deg); }
.notebook-meta, .notebook-footer { display: flex; justify-content: space-between; font: 300 .67rem/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.notebook blockquote { font: 400 clamp(2.1rem, 3.5vw, 3.7rem)/1.05 var(--serif); letter-spacing: -.025em; margin: 3rem 0; }
.pulse { width: 9px; height: 9px; background: var(--signal); border-radius: 50%; animation: breathe 3s ease-in-out infinite; }
.deck-toolbar { position: absolute; z-index: 8; left: 0; right: 0; bottom: 8px; display: flex; justify-content: flex-end; align-items: center; }
.deck-actions { display: flex; gap: .45rem; }
.deck-actions button { position: relative; width: 38px; height: 38px; padding: 0; display: grid; place-items: center; appearance: none; border: 1px solid var(--ink); border-radius: 50%; background: transparent; color: var(--ink); cursor: pointer; transition: color .2s ease, background .2s ease, transform .2s ease; }
.deck-actions button:hover, .deck-actions button:focus-visible { color: var(--paper); background: var(--ink); transform: translateY(-2px); }
.deck-actions button::after { content: attr(data-tooltip); position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translate(-50%, 4px); padding: .4rem .5rem; background: var(--ink); color: var(--paper); font: 300 .58rem/1 var(--mono); text-transform: uppercase; letter-spacing: .06em; white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity .2s ease, transform .2s ease; }
.deck-actions button:hover::after, .deck-actions button:focus-visible::after { opacity: 1; transform: translate(-50%, 0); }
.deck-actions svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.deck-actions .icon-play { display: none; }
.deck-actions [aria-pressed="true"] .icon-pause { display: none; }
.deck-actions [aria-pressed="true"] .icon-play { display: block; }
@keyframes shuffle-card {
  0% { z-index: 6; transform: rotate(1.5deg); opacity: 1; }
  48% { z-index: 6; transform: translate(-36%, 3%) rotate(-10deg); opacity: 1; }
  49% { z-index: 1; }
  100% { z-index: 1; transform: translate(18px, 17px) rotate(-1.5deg); opacity: .2; }
}
@keyframes return-card {
  0% { z-index: 6; transform: rotate(1.5deg); opacity: 1; }
  42% { z-index: 6; transform: translate(-8%, 4%) rotate(-4deg) scale(.985); opacity: .45; }
  43% { z-index: 1; }
  100% { z-index: 1; transform: translate(18px, 17px) rotate(1.2deg) scale(.97); opacity: 0; }
}
@keyframes pull-card {
  0% { z-index: 3; transform: translate(18px, 17px) rotate(1.2deg) scale(.98); opacity: .75; }
  38% { z-index: 7; transform: translate(17%, -5%) rotate(7deg) scale(.99); opacity: 1; }
  70% { z-index: 7; transform: translate(3%, -2%) rotate(-2deg) scale(1); opacity: 1; }
  100% { z-index: 7; transform: rotate(1.5deg); opacity: 1; }
}

.contact { max-width: 1440px; margin: 0 auto; padding: 15vh 4vw 10vh; }
.contact-grid { display: grid; grid-template-columns: 1fr .45fr; gap: 8vw; align-items: end; border-bottom: 1px solid var(--line); padding: 4vh 0 12vh; }
.contact-detail p { color: var(--muted); max-width: 440px; }
.contact-detail .text-link { margin-top: 2.5rem; }
.contact-detail .text-link:hover span { transform: translateY(-3px); }
footer { max-width: 1440px; margin: 0 auto; padding: 2rem 4vw 3rem; display: flex; justify-content: space-between; font: 300 .67rem/1.4 var(--mono); text-transform: uppercase; letter-spacing: .06em; }
footer p { margin: 0; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 820px) {
  [id] { scroll-margin-top: 80px; }
  .site-header { min-height: 80px; padding-top: 13px; padding-bottom: 13px; }
  .wordmark-name { display: none; }
  nav a:not(.nav-contact) { display: none; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding-top: 8vh; }
  .hero-copy { position: relative; z-index: 1; }
  h1 { font-size: clamp(4rem, 18vw, 6.5rem); }
  .field { width: 80%; margin: 1rem auto 0; opacity: .82; }
  .section-heading, .feedback, .inquiry, .contact-grid { grid-template-columns: 1fr; }
  .approach-list { margin-left: 0; }
  .approach-list li { grid-template-columns: 72px 1fr; }
  .approach-illustration { grid-column: 2; max-width: 420px; height: 210px; margin-top: 1.5rem; }
  .section-heading { gap: 2rem; }
  .inquiry { gap: 5rem; }
  .feedback { gap: 4rem; }
  .feedback-loop { margin: 0 auto; }
  .inquiry-deck { min-height: 500px; }
  .notebook { min-height: 400px; }
}
@media (max-width: 520px) {
  .site-header, .hero, .approach, .contact, footer { padding-left: 22px; padding-right: 22px; }
  .wordmark-mark { width: 48px; height: 48px; }
  h1 { font-size: clamp(3.7rem, 17.5vw, 5.2rem); }
  .statement, .feedback, .inquiry { padding-left: 22px; padding-right: 22px; }
  .approach-list li { gap: .6rem; }
  .inquiry-deck { min-height: 455px; }
  .notebook { padding: 1.5rem; min-height: 350px; }
  .deck-actions { gap: .3rem; }
  .deck-actions button { width: 36px; height: 36px; }
  .loop-node { width: 74px; height: 74px; font-size: .58rem; }
  .feedback-stage-copy { left: 25%; right: 25%; top: 33%; }
  .stage-panel p:last-child { font-size: 1.06rem; }
  footer { gap: 1rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .forest-eye-art { animation: none; transform: scale(1); }
  .eye-glass { animation: none; opacity: .32; }
  .feedback-loop { aspect-ratio: auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
  .loop-drawing, .loop-caption { display: none; }
  .loop-node { position: relative; inset: auto; translate: none; justify-self: center; }
  .feedback-stage-copy { position: static; grid-column: 1 / -1; min-height: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; text-align: left; }
  .stage-panel, .stage-panel.is-active { display: block; animation: none; padding-top: 1rem; border-top: 1px solid rgba(242,240,232,.25); }
  .stage-panel p:last-child { font: 400 1.15rem/1.25 var(--serif); }
}