/* VERDANT — Victorian herbarium meets creative coding */

:root {
  --cream: #f6f3ea;
  --cream-deep: #efeadb;
  --fern: #33553d;
  --fern-deep: #23402c;
  --fern-ink: #1d3325;
  --terra: #c26d4f;
  --terra-deep: #a5543a;
  --pollen: #e8c547;
  --pollen-deep: #b8951f;
  --rule: rgba(51, 85, 61, 0.22);
  --rule-soft: rgba(51, 85, 61, 0.12);
  --display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  background: var(--cream);
  color: var(--fern-ink);
  font-family: var(--display);
  font-size: 17px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* paper grain over everything */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 60;
  opacity: 0.5;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='p'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' seed='7'/%3E%3CfeColorMatrix values='0 0 0 0 0.86 0 0 0 0 0.83 0 0 0 0 0.74 0 0 0 0.05 0'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23p)'/%3E%3C/svg%3E");
}

::selection { background: var(--pollen); color: var(--fern-ink); }

a { color: var(--fern); }

.mono {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
}

/* ============ nav ============ */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 2rem;
  border-bottom: 1px solid var(--rule-soft);
  background: color-mix(in srgb, var(--cream) 86%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.site-nav .wordmark {
  font-style: italic;
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--fern-deep);
  display: flex;
  align-items: center;
  gap: 0.55rem;
}
.site-nav .wordmark svg { display: block; }
.site-nav ul {
  display: flex;
  gap: 1.8rem;
  list-style: none;
}
.site-nav ul a {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--fern);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}
.site-nav ul a:hover { border-bottom-color: var(--terra); color: var(--terra-deep); }
.nav-est { color: var(--fern); opacity: 0.65; }

/* ============ hero ============ */
.hero { position: relative; height: 340vh; }
.reduced-motion .hero { height: 100vh; min-height: 720px; }
.hero-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
}
#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
.hero-copy {
  position: absolute;
  left: clamp(1.4rem, 6vw, 7rem);
  top: 50%;
  transform: translateY(-52%);
  max-width: 34rem;
  z-index: 2;
}
.hero-kicker {
  color: var(--terra-deep);
  margin-bottom: 1.4rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.hero-kicker::before {
  content: "";
  width: 2.6rem;
  height: 1px;
  background: var(--terra);
  display: inline-block;
}
.hero h1 {
  font-style: italic;
  font-weight: 640;
  font-variation-settings: "opsz" 144;
  font-size: clamp(4rem, 11vw, 9rem);
  line-height: 0.95;
  letter-spacing: -0.015em;
  color: var(--fern-deep);
}
.hero h1 .accent { color: var(--terra); }
.hero-sub {
  margin-top: 1.6rem;
  font-size: clamp(1.02rem, 1.5vw, 1.22rem);
  line-height: 1.65;
  max-width: 27rem;
  color: var(--fern-ink);
}
.hero-sub em { color: var(--terra-deep); }
.hero-scrollhint {
  margin-top: 2.2rem;
  color: var(--fern);
  display: flex;
  align-items: center;
  gap: 0.7rem;
  opacity: 0.85;
}
.hero-scrollhint svg { animation: nudge 2.4s ease-in-out infinite; }
@keyframes nudge { 0%,100% { transform: translateY(0); } 50% { transform: translateY(5px); } }
.reduced-motion .hero-scrollhint svg { animation: none; }

/* growth readout — bottom left, herbarium label style */
.hero-readout {
  position: absolute;
  left: clamp(1.4rem, 6vw, 7rem);
  bottom: 2rem;
  z-index: 2;
  border: 1px solid var(--rule);
  background: color-mix(in srgb, var(--cream) 80%, transparent);
  padding: 0.7rem 1rem;
  display: flex;
  gap: 1.6rem;
}
.hero-readout .cell { display: flex; flex-direction: column; gap: 0.15rem; }
.hero-readout .k { font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--terra-deep); }
.hero-readout .v { font-family: var(--mono); font-size: 0.86rem; color: var(--fern-deep); font-variant-numeric: tabular-nums; }

/* measurement ruler on right edge */
.hero-ruler {
  position: absolute;
  right: clamp(1rem, 4vw, 4rem);
  top: 12vh;
  bottom: 8vh;
  width: 14px;
  z-index: 2;
  border-right: 1px solid var(--rule);
  background-image: repeating-linear-gradient(
    to bottom,
    var(--rule) 0 1px,
    transparent 1px calc(100% / 40)
  );
}
.hero-ruler .ruler-label {
  position: absolute;
  right: 1.4rem;
  top: -0.4rem;
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  color: var(--fern);
  writing-mode: vertical-rl;
  text-transform: uppercase;
}
/* the sap line: a marker that climbs the ruler as the fern grows */
.ruler-sap {
  position: absolute;
  right: 0;
  bottom: 0;
  padding-right: 22px;
  transform: translateY(50%);
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--terra-deep);
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.7s ease;
}
.ruler-sap::after {
  content: "";
  position: absolute;
  right: -1px;
  top: 50%;
  transform: translateY(-50%);
  width: 15px;
  height: 2px;
  background: var(--terra);
}
.ruler-sap.on { opacity: 0.95; }

/* herbarium annotations that appear as the hero fern grows */
.hero-annot {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--terra-deep);
  opacity: 0;
  transform: translateX(10px);
  transition: opacity 0.9s ease, transform 0.9s ease;
  pointer-events: none;
}
.hero-annot .line { width: 3.2rem; height: 1px; background: var(--terra); position: relative; }
.hero-annot .line::before { content: ""; position: absolute; left: -3px; top: -2.5px; width: 6px; height: 6px; border-radius: 50%; border: 1px solid var(--terra); }
.hero-annot.on { opacity: 0.95; transform: translateX(0); }
#annot-1 { right: max(26vw, 340px); top: 30vh; }
#annot-2 { right: max(9vw, 110px); top: 62vh; }
@media (max-width: 900px) { .hero-annot { display: none; } }

.rule-code {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--fern-deep);
  background: color-mix(in srgb, var(--pollen) 26%, transparent);
  padding: 0.15rem 0.4rem;
  display: inline-block;
  margin-top: 0.3rem;
}

/* plate corner ticks used in hero + cards */
.corner-ticks::before,
.corner-ticks::after {
  content: "";
  position: absolute;
  width: 18px; height: 18px;
  border-color: var(--fern);
  border-style: solid;
  opacity: 0.5;
  pointer-events: none;
}
.corner-ticks::before { top: 5.2rem; left: 1.4rem; border-width: 1px 0 0 1px; }
.corner-ticks::after { bottom: 1.4rem; right: 1.4rem; border-width: 0 1px 1px 0; }

/* ============ section chrome ============ */
section { position: relative; }
.section-head {
  display: flex;
  align-items: baseline;
  gap: 1.4rem;
  padding: 0 clamp(1.4rem, 6vw, 7rem);
  margin-bottom: clamp(2.4rem, 5vw, 4rem);
}
.section-head .index {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--terra-deep);
  white-space: nowrap;
}
.section-head h2 {
  font-style: italic;
  font-weight: 600;
  font-variation-settings: "opsz" 100;
  font-size: clamp(2.1rem, 4.6vw, 3.6rem);
  line-height: 1.05;
  color: var(--fern-deep);
}
.section-head .rule-fill {
  flex: 1;
  border-bottom: 1px solid var(--rule);
  transform: translateY(-0.5rem);
  min-width: 2rem;
}

/* divider strip */
.divider {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 0.65rem 0;
  overflow: hidden;
  white-space: nowrap;
  background: var(--cream-deep);
}
.divider .track {
  display: inline-block;
  animation: ticker 52s linear infinite;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fern);
}
.divider .track span { margin: 0 1.6rem; }
.divider .track .dot { color: var(--terra); }
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.divider:hover .track { animation-play-state: paused; }
.reduced-motion .divider .track { animation: none; }

/* ============ manifesto ============ */
.manifesto { padding: clamp(5rem, 10vw, 9rem) 0 clamp(4rem, 8vw, 7rem); }
.manifesto-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  padding: 0 clamp(1.4rem, 6vw, 7rem);
  align-items: start;
}
.manifesto-lede {
  font-style: italic;
  font-weight: 500;
  font-variation-settings: "opsz" 100;
  font-size: clamp(1.7rem, 3.2vw, 2.7rem);
  line-height: 1.28;
  color: var(--fern-deep);
  text-wrap: balance;
}
.manifesto-lede .terra { color: var(--terra); }
.manifesto-lede .pollen-mark {
  background: linear-gradient(transparent 62%, color-mix(in srgb, var(--pollen) 55%, transparent) 62%);
}
.manifesto-body { margin-top: 2.2rem; max-width: 36rem; }
.manifesto-body p + p { margin-top: 1.1rem; }
.manifesto-notes {
  border-left: 1px solid var(--rule);
  padding-left: clamp(1.2rem, 2.5vw, 2.2rem);
  background-image: repeating-linear-gradient(to bottom, transparent 0 27px, var(--rule-soft) 27px 28px);
}
.manifesto-notes .note { padding: 0.9rem 0 1.15rem; }
.manifesto-notes .note + .note { border-top: 1px solid var(--rule-soft); }
.manifesto-notes .note .no {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  color: var(--terra-deep);
  display: block;
  margin-bottom: 0.3rem;
}
.manifesto-notes .note p { font-size: 0.95rem; line-height: 1.55; }
#manifesto-sprig { width: 100%; height: 200px; display: block; margin-top: 0.6rem; }

/* ============ specimen wall ============ */
.specimens { padding: clamp(5rem, 9vw, 8rem) 0; background: var(--cream-deep); border-top: 1px solid var(--rule-soft); border-bottom: 1px solid var(--rule-soft); }
.specimen-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.2rem, 2.6vw, 2.2rem);
  padding: 0 clamp(1.4rem, 6vw, 7rem);
}
.plate {
  position: relative;
  background: var(--cream);
  border: 1px solid var(--rule);
  box-shadow:
    0 1px 0 rgba(51, 85, 61, 0.06),
    0 14px 34px -22px rgba(35, 64, 44, 0.45);
  padding: 0.55rem;
  cursor: pointer;
  transition: transform 0.35s cubic-bezier(0.2, 0.7, 0.3, 1), box-shadow 0.35s;
}
.plate:hover { transform: translateY(-4px) rotate(-0.25deg); box-shadow: 0 1px 0 rgba(51,85,61,0.06), 0 24px 44px -20px rgba(35,64,44,0.5); }
.plate:active { transform: translateY(-1px) scale(0.992); transition-duration: 0.12s; }
.reduced-motion .plate:hover, .reduced-motion .plate:active { transform: none; }
.plate-inner {
  border: 1px solid var(--rule);
  padding: 1.1rem 1.1rem 1.25rem;
  position: relative;
  background:
    linear-gradient(var(--rule-soft) 0 0) left 0 top 0 / 100% 1px no-repeat;
}
.plate-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.5rem;
}
.plate-no { font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.2em; color: var(--terra-deep); }
.plate-coll { font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.16em; color: var(--fern); opacity: 0.7; }
.plate-canvas-wrap {
  position: relative;
  aspect-ratio: 4 / 5;
  border-bottom: 1px solid var(--rule-soft);
  background-image:
    linear-gradient(var(--rule-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--rule-soft) 1px, transparent 1px);
  background-size: 44px 44px;
  background-position: center bottom;
  overflow: hidden;
}
.plate-canvas-wrap canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
/* herbarium collection stamp */
.plate-canvas-wrap::after {
  content: "";
  position: absolute;
  right: 0.7rem;
  bottom: 0.7rem;
  width: 74px;
  height: 74px;
  opacity: 0.5;
  transform: rotate(-11deg);
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Ccircle cx='50' cy='50' r='46' fill='none' stroke='%23c26d4f' stroke-width='1.6'/%3E%3Ccircle cx='50' cy='50' r='34' fill='none' stroke='%23c26d4f' stroke-width='0.8'/%3E%3Cpath id='tp' d='M50 12a38 38 0 1 1-.01 0' fill='none'/%3E%3Ctext font-family='monospace' font-size='9.5' letter-spacing='2.5' fill='%23c26d4f'%3E%3CtextPath href='%23tp'%3EVERDANT HORTUS · MMXXVI ·%3C/textPath%3E%3C/text%3E%3Ctext x='50' y='54' text-anchor='middle' font-family='monospace' font-size='11' letter-spacing='1' fill='%23c26d4f'%3EV.H.%3C/text%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
}
.plate-resow {
  position: absolute;
  right: 0.5rem;
  top: 0.5rem;
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--terra-deep);
  border: 1px solid color-mix(in srgb, var(--terra) 45%, transparent);
  background: color-mix(in srgb, var(--cream) 82%, transparent);
  padding: 0.28rem 0.5rem;
  opacity: 0;
  transform: translateY(3px);
  transition: opacity 0.25s, transform 0.3s ease;
  pointer-events: none;
}
.plate:hover .plate-resow, .plate:focus-visible .plate-resow { opacity: 1; transform: translateY(0); }
.plate-resow .ast { display: inline-block; transition: transform 0.55s cubic-bezier(0.3, 0.7, 0.3, 1); }
.plate:hover .ast { transform: rotate(150deg); }
.reduced-motion .plate .ast { transition: none; }
.plate-name {
  margin-top: 0.95rem;
  font-style: italic;
  font-weight: 620;
  font-size: 1.5rem;
  line-height: 1.1;
  color: var(--fern-deep);
}
.plate-common {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--terra-deep);
  margin-top: 0.3rem;
}
.plate-notes { margin-top: 0.85rem; list-style: none; }
.plate-notes li {
  display: flex;
  align-items: baseline;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  color: var(--fern-ink);
  padding: 0.24rem 0;
}
.plate-notes li + li { border-top: 1px dotted var(--rule-soft); }
.plate-notes .k { color: var(--fern); text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.58rem; }
.plate-notes .leader { flex: 1; border-bottom: 1px dotted var(--rule); margin: 0 0.5rem; transform: translateY(-3px); }
.plate-notes .v { font-variant-numeric: tabular-nums; }
.plate-cult {
  margin-top: 0.85rem;
  font-size: 0.9rem;
  font-style: italic;
  line-height: 1.5;
  color: color-mix(in srgb, var(--fern-ink) 88%, var(--fern));
}
.plate:focus-visible { outline: 2px solid var(--terra); outline-offset: 3px; }
.specimen-foot {
  padding: 2.6rem clamp(1.4rem, 6vw, 7rem) 0;
  text-align: center;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fern);
  opacity: 0.75;
}

/* ============ playground ============ */
.playground { padding: clamp(5rem, 9vw, 8rem) 0; }
.playground-frame {
  margin: 0 clamp(1.4rem, 6vw, 7rem);
  border: 1px solid var(--rule);
  background: var(--cream);
  display: grid;
  grid-template-columns: minmax(300px, 380px) minmax(0, 1fr);
  box-shadow: 0 24px 60px -34px rgba(35, 64, 44, 0.5);
}
.pg-controls {
  border-right: 1px solid var(--rule);
  padding: clamp(1.4rem, 2.6vw, 2.2rem);
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
  background:
    repeating-linear-gradient(to bottom, transparent 0 31px, var(--rule-soft) 31px 32px),
    var(--cream);
}
.pg-controls h3 {
  font-style: italic;
  font-weight: 620;
  font-size: 1.55rem;
  color: var(--fern-deep);
  line-height: 1.15;
}
.pg-controls .pg-blurb { font-size: 0.92rem; font-style: italic; color: var(--fern); line-height: 1.5; }
.pg-field { display: flex; flex-direction: column; gap: 0.45rem; }
.pg-field .row { display: flex; justify-content: space-between; align-items: baseline; }
.pg-field label {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fern);
}
.pg-field output {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--terra-deep);
  font-variant-numeric: tabular-nums;
}
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 20px;
  background: transparent;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 2px;
  background: var(--rule);
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 15px; height: 15px;
  border-radius: 50%;
  background: var(--terra);
  border: 2px solid var(--cream);
  box-shadow: 0 0 0 1px var(--terra-deep);
  margin-top: -6.5px;
  transition: transform 0.15s;
}
input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.2); }
input[type="range"]::-moz-range-track { height: 2px; background: var(--rule); }
input[type="range"]::-moz-range-thumb {
  width: 13px; height: 13px;
  border-radius: 50%;
  background: var(--terra);
  border: 2px solid var(--cream);
  box-shadow: 0 0 0 1px var(--terra-deep);
}
input[type="range"]:focus-visible { outline: 2px solid var(--terra); outline-offset: 2px; }
.pg-species { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.pg-chip {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.42rem 0.7rem;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--fern);
  cursor: pointer;
  transition: all 0.2s;
}
.pg-chip:hover { border-color: var(--terra); color: var(--terra-deep); }
.pg-chip[aria-pressed="true"] {
  background: var(--fern);
  color: var(--cream);
  border-color: var(--fern);
}
.pg-actions { display: flex; gap: 0.6rem; margin-top: 0.2rem; }
.pg-btn {
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.68rem 1.05rem;
  border: 1px solid var(--fern);
  background: var(--fern);
  color: var(--cream);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.pg-btn:hover { background: var(--fern-deep); }
.pg-btn.ghost { background: transparent; color: var(--fern); }
.pg-btn.ghost:hover { border-color: var(--terra); color: var(--terra-deep); }
.pg-stage { position: relative; min-height: 560px; }
#pg-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.pg-stage-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--rule-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--rule-soft) 1px, transparent 1px);
  background-size: 52px 52px;
  background-position: center bottom;
  pointer-events: none;
}
.pg-nameplate {
  position: absolute;
  left: 1.2rem;
  bottom: 1.2rem;
  border: 1px solid var(--rule);
  background: color-mix(in srgb, var(--cream) 88%, transparent);
  padding: 0.65rem 0.95rem;
  max-width: calc(100% - 2.4rem);
}
.pg-nameplate .latin { font-style: italic; font-weight: 620; font-size: 1.15rem; color: var(--fern-deep); line-height: 1.15; }
.pg-nameplate .meta { font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--terra-deep); margin-top: 0.25rem; }
.pg-plate-no {
  position: absolute;
  top: 1.1rem; right: 1.3rem;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  color: var(--fern);
  opacity: 0.7;
}

/* ============ method strip ============ */
.method { padding: clamp(4.5rem, 8vw, 7rem) 0; background: var(--fern-deep); color: var(--cream); }
.method .section-head h2 { color: var(--cream); }
.method .section-head .index { color: var(--pollen); }
.method .section-head .rule-fill { border-color: rgba(246, 243, 234, 0.25); }
.method-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: rgba(246, 243, 234, 0.18);
  border-top: 1px solid rgba(246, 243, 234, 0.18);
  border-bottom: 1px solid rgba(246, 243, 234, 0.18);
  margin: 0 clamp(1.4rem, 6vw, 7rem);
}
.method-step { background: var(--fern-deep); padding: 1.7rem 1.5rem 2rem; }
.method-step .no { font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.2em; color: var(--pollen); }
.method-step h3 { font-style: italic; font-weight: 600; font-size: 1.35rem; margin: 0.7rem 0 0.6rem; color: var(--cream); }
.method-step p { font-size: 0.92rem; line-height: 1.55; color: rgba(246, 243, 234, 0.82); }
.method-step code {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--pollen);
  background: rgba(232, 197, 71, 0.1);
  padding: 0.05rem 0.3rem;
}

/* ============ footer ============ */
.site-footer {
  background: var(--fern-ink);
  color: var(--cream);
  padding: clamp(3rem, 6vw, 5rem) clamp(1.4rem, 6vw, 7rem) 2.2rem;
  position: relative;
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  padding-bottom: 2.6rem;
  border-bottom: 1px solid rgba(246, 243, 234, 0.2);
}
.footer-grid .fm { font-style: italic; font-weight: 620; font-size: clamp(1.7rem, 3vw, 2.4rem); line-height: 1.15; }
.footer-grid .fm .pollen { color: var(--pollen); }
.footer-col h4 { font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--pollen); margin-bottom: 0.9rem; font-weight: 500; }
.footer-col ul { list-style: none; }
.footer-col li { margin: 0.42rem 0; }
.footer-col a { color: rgba(246, 243, 234, 0.88); text-decoration: none; font-size: 0.95rem; border-bottom: 1px solid transparent; transition: border-color 0.2s; }
.footer-col a:hover { border-bottom-color: var(--pollen); }
.footer-col p { font-size: 0.92rem; color: rgba(246, 243, 234, 0.75); line-height: 1.6; }
.footer-legal {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.8rem;
  padding-top: 1.6rem;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(246, 243, 234, 0.65);
}
.footer-legal a { color: var(--pollen); text-decoration: none; }
.footer-legal a:hover { text-decoration: underline; }

/* ============ guide page ============ */
.guide-page { padding: 8rem clamp(1.4rem, 6vw, 7rem) 4rem; max-width: 60rem; margin: 0 auto; }
.guide-page .plate-frame {
  border: 1px solid var(--rule);
  background: var(--cream);
  padding: 0.6rem;
  box-shadow: 0 24px 60px -34px rgba(35, 64, 44, 0.4);
}
.guide-page .plate-frame > .inner { border: 1px solid var(--rule); padding: clamp(1.6rem, 4vw, 3.4rem); }
.guide-page h1 { font-style: italic; font-weight: 640; font-size: clamp(2.3rem, 5vw, 3.6rem); line-height: 1.05; color: var(--fern-deep); margin: 0.5rem 0 1.4rem; }
.guide-page h2 { font-style: italic; font-weight: 620; font-size: 1.5rem; color: var(--fern-deep); margin: 2.4rem 0 0.8rem; display: flex; align-items: baseline; gap: 0.8rem; }
.guide-page h2 .gno { font-family: var(--mono); font-style: normal; font-weight: 500; font-size: 0.66rem; letter-spacing: 0.2em; color: var(--terra-deep); white-space: nowrap; }
.guide-page p { margin: 0.85rem 0; max-width: 44rem; }
.guide-page code { font-family: var(--mono); font-size: 0.82rem; background: color-mix(in srgb, var(--fern) 9%, transparent); padding: 0.06rem 0.34rem; color: var(--fern-deep); }
.guide-page .guide-shots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.9rem; margin: 1.4rem 0; }
.guide-page .guide-shots figure { border: 1px solid var(--rule); padding: 0.35rem; background: var(--cream-deep); }
.guide-page .guide-shots img { width: 100%; display: block; border: 1px solid var(--rule-soft); }
.guide-page .guide-shots figcaption { font-family: var(--mono); font-size: 0.56rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--terra-deep); padding: 0.45rem 0.2rem 0.15rem; }
.guide-page .backlink { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.16em; text-transform: uppercase; text-decoration: none; color: var(--terra-deep); }
.guide-page .backlink:hover { text-decoration: underline; }
.guide-foot { margin-top: 2.6rem; padding-top: 1.4rem; border-top: 1px solid var(--rule); font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--fern); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.6rem; }
.guide-foot a { color: var(--terra-deep); }

/* ============ responsive ============ */
@media (max-width: 1080px) {
  .specimen-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .method-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .playground-frame { grid-template-columns: 1fr; }
  .pg-controls { border-right: none; border-bottom: 1px solid var(--rule); }
  .pg-stage { min-height: 480px; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .site-nav { padding: 0.8rem 1.1rem; }
  .site-nav ul { gap: 1rem; }
  .site-nav ul li.hide-m { display: none; }
  .hero { height: 260vh; }
  /* copy holds the top of the frame; the fern grows in the clear bottom half */
  .hero-copy { top: 5.6rem; bottom: auto; transform: none; right: 1.4rem; }
  .hero h1 { font-size: clamp(3.4rem, 17vw, 5rem); }
  .hero-kicker { margin-bottom: 1rem; }
  .hero-sub { margin-top: 1.2rem; }
  .hero-scrollhint { margin-top: 1.5rem; }
  .hero-readout { display: none; }
  .hero-ruler { display: none; }
  .corner-ticks::before { top: 4.4rem; left: 0.9rem; }
  .corner-ticks::after { bottom: 0.9rem; right: 0.9rem; }
  .manifesto-grid { grid-template-columns: 1fr; }
  .manifesto-notes { border-left: none; border-top: 1px solid var(--rule); padding-left: 0; padding-top: 1.2rem; }
  .specimen-grid { grid-template-columns: 1fr; }
  .method-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .pg-stage { min-height: 420px; }
  .guide-page { padding-top: 6rem; }
  .guide-page .guide-shots { grid-template-columns: 1fr; }
}