/* ============================================================
   Coil Curtain — design tokens
   Palette grounded in the product's world: coil copper,
   chilled air, aluminum fins, evergreen ink.
   ============================================================ */
:root {
  --ink: #0c1f1e;          /* evergreen-black — text, dark sections */
  --paper: #f2f6f4;        /* cool paper — conditioned-air white */
  --copper: #c26a35;       /* coil copper — primary accent */
  --copper-deep: #9c4f22;
  --air: #bfe3dd;          /* chilled air — pale wash */
  --air-deep: #4d9a8f;     /* airflow lines, secondary accent */
  --fin: #5e7370;          /* aluminum fin — muted text */
  --fluff: #d8cfc0;        /* cottonwood debris */
  --leaf: #7cc46a;         /* fresh leaf — eco accents on dark */
  --moss: #123528;         /* deep forest — sustainability panel */
  --line: rgba(12, 31, 30, 0.14);

  --font-display: "Bricolage Grotesque", "Archivo", sans-serif;
  --font-body: "Archivo", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;

  --measure: 62ch;
  --pad: clamp(1.25rem, 4vw, 4rem);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--font-display); line-height: 1.04; letter-spacing: -0.015em; }
h2 { font-size: clamp(1.9rem, 4.2vw, 3.4rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 600; line-height: 1.25; }
a { color: inherit; }
em { font-style: normal; color: var(--copper); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--air-deep);
  margin-bottom: 1rem;
}

.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.9rem 1.5rem;
  border: 2px solid transparent;
  border-radius: 3px;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:focus-visible { outline: 3px solid var(--air-deep); outline-offset: 3px; }
.btn--copper { background: var(--copper); color: #fff; }
.btn--copper:hover { background: var(--copper-deep); }
.btn--ghost { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn--ghost:hover { background: var(--ink); color: var(--paper); }

/* ============ NAV ============ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 0.85rem var(--pad);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav__brand { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; }
.nav__mark { width: 34px; height: 34px; }
.nav__word { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; letter-spacing: -0.01em; }
.nav__word em { font-weight: 400; }
.nav__links { display: flex; gap: 1.6rem; margin-left: auto; }
.nav__links a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--fin);
}
.nav__links a:hover { color: var(--copper); }
.nav__cta { padding: 0.6rem 1.1rem; font-size: 0.72rem; }
@media (max-width: 760px) {
  .nav__links { display: none; }
  .nav__cta { margin-left: auto; }
}

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: min(88vh, 820px);
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
}
#hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero__inner {
  position: relative;
  z-index: 2;
  padding: clamp(4rem, 9vw, 7rem) var(--pad);
  max-width: 780px;
}
.hero__inner .eyebrow { color: var(--air); }
.hero__title {
  font-size: clamp(2.6rem, 7.2vw, 5.4rem);
  font-weight: 800;
  text-wrap: balance;
}
.hero__accent { color: var(--copper); }
.hero__sub {
  margin: 1.5rem 0 2.2rem;
  max-width: 54ch;
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: color-mix(in srgb, var(--paper) 82%, transparent);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.9rem; }
.hero .btn--ghost { border-color: var(--air); color: var(--air); }
.hero .btn--ghost:hover { background: var(--air); color: var(--ink); }
.hero__chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.7rem;
}
.hero__chips li {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--leaf);
  border: 1px solid color-mix(in srgb, var(--leaf) 45%, transparent);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
}
.hero__caption {
  margin-top: 2.2rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--air-deep);
}
@media (max-width: 760px) { .hero__caption { display: none; } }

/* ============ STAT STRIP ============ */
.statstrip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.statstrip__item {
  padding: 1.6rem 1.2rem;
  border-left: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.statstrip__item:first-child { border-left: none; }
.statstrip__item strong {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  font-weight: 800;
  color: var(--copper);
}
.statstrip__item span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  color: var(--fin);
}
@media (max-width: 900px) {
  .statstrip { grid-template-columns: repeat(2, 1fr); }
  .statstrip__item { border-top: 1px solid var(--line); }
}

/* ============ SECTIONS ============ */
.section { padding: clamp(4rem, 9vw, 7.5rem) var(--pad); }
.section__head { max-width: 880px; margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.section__lede { margin-top: 1.2rem; max-width: var(--measure); font-size: 1.05rem; color: var(--fin); }
.section__lede strong { color: var(--ink); }

/* ============ PROBLEM ============ */
.section--problem { border-bottom: 1px solid var(--line); }
.problem__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.2rem;
}
.problem__card {
  border: 1px solid var(--line);
  border-top: 3px solid var(--air-deep);
  border-radius: 4px;
  padding: 1.6rem;
  background: #fff;
}
.problem__icon { width: 40px; height: 40px; color: var(--air-deep); margin-bottom: 0.9rem; }
.problem__icon svg { width: 100%; height: 100%; }
.problem__card h3 { margin-bottom: 0.7rem; }
.problem__card p { color: var(--fin); font-size: 0.95rem; }
.problem__tax {
  margin-top: clamp(2rem, 5vw, 3.5rem);
  padding: 2rem;
  background: var(--ink);
  color: var(--paper);
  border-radius: 6px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 1.5rem;
}
.problem__tax-figure {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  font-weight: 800;
  color: var(--copper);
  white-space: nowrap;
}
.problem__tax-label { max-width: 40ch; font-family: var(--font-mono); font-size: 0.8rem; color: var(--air); }

/* ============ HOW IT WORKS ============ */
.how__demo {
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) minmax(280px, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: start;
}
@media (max-width: 940px) { .how__demo { grid-template-columns: 1fr; } }

.how__scene {
  border-radius: 16px;
  box-shadow: 0 34px 70px -24px rgba(12, 31, 30, 0.5);
}
.how__scene svg { width: 100%; height: auto; display: block; border-radius: 16px; }

.scene-label { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.2em; fill: #6f8d87; }
.scene-label--copper { fill: #eda76d; }

/* ambient motion */
.mote { opacity: 0.35; animation: mote-float 7s ease-in-out infinite alternate; }
.m2 { animation-delay: 1.2s; } .m3 { animation-delay: 2.4s; }
.m4 { animation-delay: 0.7s; } .m5 { animation-delay: 3.1s; } .m6 { animation-delay: 1.8s; }
@keyframes mote-float { to { transform: translateY(-14px); } }
.drift { animation: drift-x 5s ease-in-out infinite alternate; }
.d2 { animation-delay: 1.4s; }
@keyframes drift-x { to { transform: translate(26px, 9px); } }

.airline { stroke-dasharray: 14 12; animation: airflow 1.1s linear infinite; }
.airline--2 { animation-delay: 0.25s; }
.airline--3 { animation-delay: 0.5s; }
@keyframes airflow { to { stroke-dashoffset: -26; } }

/* state transitions */
.scene-curtain, .curtain-shadow { transition: opacity 0.7s ease, transform 0.7s ease; }
.debris { transition: opacity 0.7s ease; }
.grime { opacity: 0; transition: opacity 0.8s ease; }
.coil-fins { transition: filter 0.8s ease; }
.streams-through { transition: opacity 0.7s ease; }

.how__demo[data-state="with"] .debris--without { opacity: 0; }
.how__demo[data-state="without"] .scene-curtain { opacity: 0; transform: translateY(-64px); }
.how__demo[data-state="without"] .curtain-shadow { opacity: 0; }
.how__demo[data-state="without"] .debris--with { opacity: 0; }
.how__demo[data-state="without"] .grime { opacity: 0.5; }
.how__demo[data-state="without"] .coil-fins { filter: saturate(0.35) brightness(0.6); }
.how__demo[data-state="without"] .streams-through { opacity: 0.2; }

/* side panel */
.how__toggle { display: flex; flex-direction: column; gap: 6px; }
.how__tab {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: left;
  padding: 0.9rem 1.2rem;
  background: #fff;
  color: var(--fin);
  border: 1px solid var(--line);
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, transform 0.15s ease;
}
.how__tab:hover { transform: translateX(3px); }
.how__tab.is-active { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.how__tab:focus-visible { outline: 3px solid var(--air-deep); outline-offset: 2px; }

.how__readout { margin: 1.2rem 0; font-size: 0.95rem; }
.how__readout p { display: none; color: var(--fin); }
.how__demo[data-state="with"] .how__readout-with { display: block; }
.how__demo[data-state="without"] .how__readout-without { display: block; }

.how__gauge {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  border: 1px solid var(--line);
  border-left: 4px solid var(--air-deep);
  border-radius: 6px;
  padding: 1.1rem 1.3rem;
  background: #fff;
  transition: border-color 0.4s ease;
}
.how__gauge-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fin);
}
.how__gauge-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--air-deep);
  transition: color 0.4s ease;
}
.how__gauge-note { font-family: var(--font-mono); font-size: 0.7rem; color: var(--fin); }
.how__demo[data-state="without"] .how__gauge { border-left-color: #c0392b; }
.how__demo[data-state="without"] .how__gauge-value { color: #c0392b; animation: gauge-blink 1.6s ease-in-out infinite; }
@keyframes gauge-blink { 50% { opacity: 0.5; } }

.how__steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.2rem;
  margin-top: clamp(2rem, 5vw, 3.5rem);
}
.how__steps li { border-top: 1px solid var(--line); padding-top: 1.1rem; }
.how__step-num { font-family: var(--font-mono); font-size: 0.75rem; font-weight: 600; color: var(--copper); letter-spacing: 0.15em; }
.how__steps h3 { margin: 0.5rem 0 0.5rem; }
.how__steps p { font-size: 0.92rem; color: var(--fin); }

.patent {
  margin-top: clamp(2.5rem, 6vw, 4rem);
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  padding: 1.8rem;
  background: linear-gradient(135deg, color-mix(in srgb, var(--copper) 10%, #fff), #fff 60%);
  border: 1px solid color-mix(in srgb, var(--copper) 35%, transparent);
  border-radius: 6px;
}
.patent__badge { flex: 0 0 56px; color: var(--copper); }
.patent__badge svg { width: 56px; height: 56px; }
.patent h3 { margin-bottom: 0.6rem; }
.patent p { color: var(--fin); font-size: 0.98rem; }

/* ============ FACTS TICKER ============ */
.ticker {
  overflow: hidden;
  background: var(--moss);
  border-top: 1px solid color-mix(in srgb, var(--leaf) 25%, transparent);
  padding: 0.85rem 0;
}
.ticker__track {
  display: inline-flex;
  align-items: center;
  gap: 2.2rem;
  width: max-content;
  white-space: nowrap;
  animation: ticker-roll 42s linear infinite;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--air);
  padding-left: 2.2rem;
}
.ticker__hex { color: var(--leaf); font-size: 0.9rem; }
@keyframes ticker-roll { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .ticker__track { animation: none; } }

/* ============ CALCULATOR ============ */
.section--calc { background: var(--ink); color: var(--paper); }
.section--calc .eyebrow { color: var(--air); }
.section--calc .section__lede { color: color-mix(in srgb, var(--paper) 70%, transparent); }
.section--calc .section__lede strong { color: var(--paper); }

.calc {
  display: grid;
  grid-template-columns: minmax(280px, 380px) 1fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}
@media (max-width: 900px) { .calc { grid-template-columns: 1fr; } }

.calc__field { margin-bottom: 2rem; }
.calc__field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--air);
  margin-bottom: 0.4rem;
}
.calc__value {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--paper);
  margin-bottom: 0.5rem;
  font-variant-numeric: tabular-nums;
}
.calc__hint { font-size: 0.8rem; color: color-mix(in srgb, var(--paper) 50%, transparent); margin-top: 0.4rem; }

input[type="range"] {
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
  height: 6px;
  border-radius: 3px;
  background: color-mix(in srgb, var(--paper) 22%, transparent);
  cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  -webkit-appearance: none;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--copper);
  border: 3px solid var(--paper);
}
input[type="range"]::-moz-range-thumb {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--copper);
  border: 3px solid var(--paper);
}
input[type="range"]:focus-visible { outline: 3px solid var(--air-deep); outline-offset: 4px; }

.calc__results {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(240px, 1fr);
  gap: 2rem;
  align-items: start;
}
@media (max-width: 640px) { .calc__results { grid-template-columns: 1fr; } }

.calc__cells svg { width: 100%; height: auto; display: block; }
.calc__cells-caption {
  margin-top: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: color-mix(in srgb, var(--paper) 50%, transparent);
}
.hex-cell { fill: none; stroke: color-mix(in srgb, var(--paper) 25%, transparent); stroke-width: 1.4; }
.hex-cell.is-filled { fill: var(--copper); stroke: var(--copper); }
.hex-cell.is-year { fill: var(--air-deep); stroke: var(--air-deep); }

.calc__total { margin-bottom: 1.4rem; }
.calc__total-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--air);
}
.calc__total-value {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  font-weight: 800;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}
.calc__total--life .calc__total-value { color: var(--copper); font-size: clamp(2.4rem, 4.6vw, 3.6rem); }
.calc__total-range { font-family: var(--font-mono); font-size: 0.78rem; color: color-mix(in srgb, var(--paper) 55%, transparent); }
.calc__water { font-size: 0.9rem; color: var(--air); max-width: 40ch; margin-bottom: 1.6rem; display: flex; gap: 0.6rem; align-items: flex-start; }
.calc__drop { flex: 0 0 18px; width: 18px; height: 24px; fill: var(--leaf); margin-top: 2px; animation: drop-pulse 2.6s ease-in-out infinite; }
@keyframes drop-pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.15); } }
@media (prefers-reduced-motion: reduce) { .calc__drop { animation: none; } }
.calc__cta { margin-bottom: 1rem; }
.calc__fineprint { font-size: 0.75rem; line-height: 1.5; color: color-mix(in srgb, var(--paper) 45%, transparent); max-width: 46ch; }

/* ============ PROOF ============ */
.section--proof { border-bottom: 1px solid var(--line); }
.proof__case {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
  margin-bottom: clamp(2.5rem, 6vw, 4.5rem);
}
@media (max-width: 860px) { .proof__case { grid-template-columns: 1fr; } }
.proof__stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.proof__stats div { border: 1px solid var(--line); border-radius: 4px; padding: 1.3rem; background: #fff; }
.proof__stats strong { display: block; font-family: var(--font-display); font-size: 1.5rem; font-weight: 800; color: var(--copper); line-height: 1.1; margin-bottom: 0.4rem; }
.proof__stats span { font-family: var(--font-mono); font-size: 0.72rem; color: var(--fin); }
.proof__narrative { font-size: 1.15rem; max-width: 44ch; color: var(--ink); }

/* Home Depot replacement-cycle timeline */
.cycle {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  padding: 1.6rem 1.6rem 0.8rem;
  margin-bottom: clamp(2.5rem, 6vw, 4.5rem);
}
.cycle__title { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; margin-bottom: 0.6rem; }
.cycle svg { width: 100%; height: auto; display: block; }
.cycle__label { font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.14em; fill: var(--fin); }
.cycle__label--now { fill: #4a8c3a; font-weight: 600; }
.cycle__caption { font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.1em; fill: var(--air-deep); }
.cycle__today { animation: today-pulse 2.4s ease-in-out infinite; transform-origin: 840px 58px; }
@keyframes today-pulse { 50% { transform: scale(1.12); } }

.verticals__title { margin-bottom: 1.2rem; font-size: 1.3rem; }
.verticals__grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.2rem;
}
.verticals__grid li {
  border: 1px solid var(--line);
  border-top: 3px solid var(--air-deep);
  border-radius: 6px;
  padding: 1.5rem;
  background: #fff;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.verticals__grid li:hover { transform: translateY(-4px); box-shadow: 0 16px 32px -20px rgba(12, 31, 30, 0.4); border-top-color: var(--copper); }
.vert__icon { width: 42px; height: 42px; color: var(--air-deep); margin-bottom: 0.9rem; }
.vert__icon svg { width: 100%; height: 100%; }
.verticals__grid h4 { font-family: var(--font-display); font-size: 1.05rem; margin-bottom: 0.45rem; color: var(--ink); }
.verticals__grid p { font-size: 0.88rem; color: var(--fin); }
.verticals__grid .verticals__item--feature { grid-column: span 2; background: var(--ink); border-color: var(--ink); border-top-color: var(--leaf); }
.verticals__grid .verticals__item--feature h4 { color: var(--paper); font-size: 1.25rem; }
.verticals__grid .verticals__item--feature p { color: rgba(242, 246, 244, 0.8); font-size: 0.95rem; }
.verticals__grid .verticals__item--feature .vert__icon { color: var(--leaf); }
.vert__chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.1rem; }
.vert__chips span {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--leaf);
  border: 1px solid color-mix(in srgb, var(--leaf) 45%, transparent);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
}
@media (max-width: 560px) { .verticals__grid .verticals__item--feature { grid-column: span 1; } }

/* ============ SUSTAINABILITY (green ledger) ============ */
.section--sustain { background: var(--moss); color: var(--paper); }
.section--sustain .eyebrow { color: var(--leaf); }
.section--sustain .section__lede { color: color-mix(in srgb, var(--paper) 72%, transparent); }

.eco__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.2rem;
  margin-bottom: clamp(2rem, 5vw, 3rem);
}
.eco__card {
  border: 1px solid color-mix(in srgb, var(--leaf) 22%, transparent);
  border-radius: 6px;
  padding: 1.5rem;
  background: color-mix(in srgb, var(--paper) 4%, transparent);
}
.eco__card strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--paper);
  margin: 0.9rem 0 0.35rem;
}
.eco__card span { font-size: 0.88rem; color: color-mix(in srgb, var(--paper) 62%, transparent); }
.eco__icon { width: 52px; height: 52px; color: var(--leaf); }
.eco__icon svg { width: 100%; height: 100%; overflow: visible; }

/* water drop fills when the card scrolls into view */
.eco__drop-fill { fill: var(--leaf); transform: translateY(44px); transition: transform 1.4s ease 0.2s; }
.eco__card.in-view .eco__drop-fill { transform: translateY(12px); }
/* chemicals strike-through draws itself */
.eco__strike { stroke: var(--copper); stroke-dasharray: 52; stroke-dashoffset: 52; transition: stroke-dashoffset 0.8s ease 0.5s; }
.eco__card.in-view .eco__strike { stroke-dashoffset: 0; }
/* bolt pulses gently */
.eco__bolt { transform-origin: 50% 50%; animation: bolt-pulse 2.4s ease-in-out infinite; }
@keyframes bolt-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.55; } }
/* recycle loop turns slowly */
.eco__loop { transform-origin: 24px 24px; animation: loop-turn 14s linear infinite; }
@keyframes loop-turn { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .eco__bolt, .eco__loop { animation: none; }
  .eco__drop-fill { transform: translateY(12px); }
  .eco__strike { stroke-dashoffset: 0; }
}

.eco__ledger {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: center;
  justify-content: space-between;
  border: 1px solid color-mix(in srgb, var(--leaf) 35%, transparent);
  border-left: 4px solid var(--leaf);
  border-radius: 6px;
  padding: 1.6rem 1.8rem;
  background: color-mix(in srgb, var(--leaf) 8%, transparent);
}
.eco__ledger-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--leaf);
  margin-bottom: 0.5rem;
}
.eco__ledger-line { max-width: 62ch; font-size: 1.02rem; color: color-mix(in srgb, var(--paper) 80%, transparent); }
.eco__ledger-line strong { color: var(--paper); }
.section--sustain .btn--ghost { border-color: var(--leaf); color: var(--leaf); }
.section--sustain .btn--ghost:hover { background: var(--leaf); color: var(--moss); }

/* ============ STORY ============ */
.section--story { border-bottom: 1px solid var(--line); position: relative; overflow: hidden; }
.section--story::after {
  content: "";
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: min(40%, 480px);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='26' height='45'><path d='M13 0l13 7.5v15L13 30 0 22.5v-15z' fill='none' stroke='%23c26a35' stroke-width='1.2' opacity='0.28'/><path d='M13 30l13 7.5v15L13 60 0 52.5v-15z' fill='none' stroke='%23c26a35' stroke-width='1.2' opacity='0.28'/></svg>");
  background-size: 44px 76px;
  -webkit-mask-image: linear-gradient(to left, black 30%, transparent);
  mask-image: linear-gradient(to left, black 30%, transparent);
  pointer-events: none;
}
.story__inner { max-width: 760px; position: relative; }
.story__inner p { margin-top: 1.2rem; color: var(--fin); font-size: 1.05rem; }

/* ============ CONTACT ============ */
.contact__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}
@media (max-width: 860px) { .contact__grid { grid-template-columns: 1fr; } }
.contact__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 560px) { .contact__row { grid-template-columns: 1fr; } }
.contact__field { margin-bottom: 1rem; }
.contact__field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fin);
  margin-bottom: 0.35rem;
}
.contact__field input, .contact__field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  color: var(--ink);
}
.contact__field input:focus-visible, .contact__field textarea:focus-visible {
  outline: 3px solid var(--air-deep);
  outline-offset: 1px;
}
.contact__status { margin-top: 0.8rem; font-family: var(--font-mono); font-size: 0.8rem; color: var(--air-deep); }
.contact__direct { border: 1px solid var(--line); border-radius: 6px; padding: 1.8rem; background: #fff; }
.contact__direct h3 { margin-bottom: 1rem; }
.contact__phone a {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--copper);
  text-decoration: none;
}
.contact__email { margin: 0.5rem 0 1rem; }
.contact__email a { color: var(--air-deep); font-family: var(--font-mono); font-size: 0.9rem; }
.contact__blurb { font-size: 0.85rem; color: var(--fin); }

/* ============ FOOTER ============ */
.footer {
  padding: 2.5rem var(--pad);
  background: var(--ink);
  color: var(--paper);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}
.footer__brand { display: flex; align-items: center; gap: 0.7rem; font-family: var(--font-mono); font-size: 0.8rem; }
.footer__legal { font-family: var(--font-mono); font-size: 0.72rem; color: color-mix(in srgb, var(--paper) 50%, transparent); }