/*
 * Inter (SIL Open Font License 1.1) — self-hosted locally, no external font requests.
 * Only the 3 static weights actually used in this stylesheet are loaded (400/600/700).
 * Source: @fontsource/inter v5.2.8, latin subset. See assets/fonts/INTER-LICENSE.txt.
 */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/inter-400.woff2") format("woff2");
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/assets/fonts/inter-600.woff2") format("woff2");
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/assets/fonts/inter-700.woff2") format("woff2");
}

:root {
  --color-ivory: #f5f0e8;
  --color-charcoal: #1c1c1e;
  --color-rice: #e8dcc8;
  --color-stone: #a8a29e;
  --color-wheat: #c4a882;
  --color-clay: #b08968;
  --color-botanical: #5c7a5c;
  --color-copper: #b87333;
  --color-ink: #4a4a4a;
  --color-white: #ffffff;
  --color-line: #e5e5e5;
  --color-error: #8b3a3a;
  --shadow-sm: 0 1px 2px rgba(28, 28, 30, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(28, 28, 30, 0.05), 0 2px 4px -1px rgba(28, 28, 30, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(28, 28, 30, 0.05), 0 4px 6px -2px rgba(28, 28, 30, 0.03);
  --shadow-xl: 0 25px 50px -12px rgba(28, 28, 30, 0.08);
  --radius: 8px;
  --container: 1180px;
  --header-height: 72px;
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  color-scheme: light;
}

body[data-theme="dark"] {
  --color-ivory: #121212;
  --color-white: #1c1c1e;
  --color-rice: #2c2c2e;
  --color-charcoal: #f5f0e8;
  --color-ink: #d5cec2;
  --color-line: #404040;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-ivory);
  color: var(--color-charcoal);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", ui-sans-serif, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration-color: var(--color-wheat);
  text-underline-offset: 0.24em;
  transition: color 200ms var(--ease-out), text-decoration-color 200ms var(--ease-out), border-color 200ms var(--ease-out), background 200ms var(--ease-out);
}

a:hover {
  text-decoration-color: var(--color-copper);
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--color-copper);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 10000;
  padding: 10px 14px;
  background: var(--color-charcoal);
  color: var(--color-ivory);
  border-radius: var(--radius);
  transform: translateY(-140%);
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(100% - 48px, var(--container));
  margin: 0 auto;
}

.narrow {
  width: min(100% - 48px, 780px);
  margin: 0 auto;
}

.section {
  padding: 120px 0;
}

.section-tight {
  padding: 80px 0;
}

.section-white {
  background: var(--color-white);
}

.section-rice {
  background: var(--color-rice);
}

.section-dark {
  background: #1c1c1e;
  color: #f5f0e8;
}

.section-dark .muted,
.section-dark .section-copy,
.section-dark .card p,
.section-dark .form-note {
  color: #c9c0b3;
}

.section-head {
  max-width: 760px;
  margin-bottom: 56px;
}

.section-head.center {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: var(--color-copper);
  font-size: 0.76rem;
  font-weight: 600;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0;
}

.eyebrow::before {
  content: "";
  width: 30px;
  height: 1px;
  background: currentColor;
}

.section-head.center .eyebrow::after {
  content: "";
  width: 30px;
  height: 1px;
  background: currentColor;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1,
.display-title {
  margin-bottom: 28px;
  font-size: 5rem;
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.03em;
}

h2 {
  margin-bottom: 22px;
  font-size: 3rem;
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h3 {
  margin-bottom: 14px;
  font-size: 1.5rem;
  line-height: 1.25;
  font-weight: 600;
  letter-spacing: -0.005em;
}

h4 {
  margin-bottom: 10px;
  font-size: 1.18rem;
  line-height: 1.35;
  font-weight: 600;
  letter-spacing: -0.005em;
}

p {
  color: var(--color-ink);
}

.lead {
  max-width: 620px;
  color: var(--color-ink);
  font-size: 1.125rem;
  line-height: 1.65;
}

.muted {
  color: var(--color-stone);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  height: var(--header-height);
  background: rgba(245, 240, 232, 0.84);
  border-bottom: 1px solid rgba(229, 229, 229, 0.66);
  backdrop-filter: blur(18px);
  transition: box-shadow 200ms var(--ease-out), background 200ms var(--ease-out);
}

body[data-theme="dark"] .site-header {
  background: rgba(18, 18, 18, 0.88);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - 40px, 1240px);
  height: 100%;
  margin: 0 auto;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 132px;
  text-decoration: none;
}

.brand img {
  width: 126px;
  height: 48px;
  object-fit: contain;
}

body[data-theme="dark"] .brand img,
.section-dark .brand img,
.loading-card img {
  filter: brightness(0) saturate(100%) invert(94%) sepia(10%) saturate(471%) hue-rotate(332deg) brightness(106%) contrast(92%);
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  color: var(--color-ink);
  font-size: 0.94rem;
}

.desktop-nav a {
  text-decoration: none;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle,
.nav-toggle,
.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: transparent;
  cursor: pointer;
}

.theme-toggle svg,
.nav-toggle svg,
.icon-button svg {
  width: 20px;
  height: 20px;
}

.nav-toggle {
  display: none;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid var(--color-charcoal);
  border-radius: var(--radius);
  background: var(--color-charcoal);
  color: var(--color-ivory);
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: transform 200ms var(--ease-out), box-shadow 200ms var(--ease-out), background 200ms var(--ease-out), color 200ms var(--ease-out), border-color 200ms var(--ease-out);
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

.button.secondary {
  background: transparent;
  color: var(--color-charcoal);
}

.button.light {
  border-color: #f5f0e8;
  background: #f5f0e8;
  color: #1c1c1e;
}

.button.secondary.light {
  background: transparent;
  color: #f5f0e8;
}

.button.ghost {
  border-color: var(--color-line);
  background: transparent;
  color: var(--color-charcoal);
}

.mobile-panel {
  position: fixed;
  inset: var(--header-height) 0 0;
  z-index: 190;
  display: none;
  padding: 28px;
  background: var(--color-ivory);
  border-top: 1px solid var(--color-line);
}

.mobile-panel.is-open {
  display: block;
}

.mobile-panel nav {
  display: grid;
  gap: 18px;
}

.mobile-panel a {
  font-size: 2.1rem;
  line-height: 1.1;
  font-weight: 700;
  text-decoration: none;
}

.loading-screen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  background: #f5f0e8;
  transition: opacity 600ms var(--ease-out), visibility 600ms var(--ease-out);
}

.loading-screen.is-hidden {
  visibility: hidden;
  opacity: 0;
}

.loading-card {
  display: grid;
  justify-items: center;
  gap: 24px;
  color: #1c1c1e;
}

.loading-card img {
  width: 180px;
  filter: none;
}

.loading-rule {
  width: 120px;
  height: 1px;
  background: #a8a29e;
  transform-origin: center;
  animation: rule 900ms 900ms both var(--ease-out);
}

.loading-tagline {
  display: grid;
  gap: 6px;
  color: #737373;
  font-size: 0.86rem;
  text-align: center;
}

.loading-tagline span {
  opacity: 0;
  animation: rise 700ms both var(--ease-out);
}

.loading-tagline span:first-child {
  animation-delay: 1200ms;
}

.loading-tagline span:last-child {
  animation-delay: 1700ms;
}

.hero {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  overflow: hidden;
  background: var(--color-ivory);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: rgba(28, 28, 30, 0.08);
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 68% 56%;
}

body[data-theme="dark"] .hero-media {
  opacity: 0.24;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: calc(100vh - var(--header-height));
  align-items: center;
  padding: 80px 0 96px;
}

.hero-copy {
  max-width: 650px;
}

.hero .lead {
  max-width: 510px;
}

.hero-actions,
.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 36px;
}

.trust-line {
  margin-top: 34px;
  color: var(--color-charcoal);
  font-size: 0.82rem;
  font-weight: 600;
  opacity: 0.72;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
}

.card {
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.card.padded {
  padding: 28px;
}

.card:hover {
  box-shadow: var(--shadow-lg);
}

.card .stat {
  display: block;
  margin-top: 24px;
  color: var(--color-copper);
  font-size: 0.88rem;
  font-weight: 700;
}

.solution-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(320px, 1.2fr);
  gap: 56px;
  align-items: center;
}

.texture-panel {
  min-height: 560px;
  border-radius: var(--radius);
  background: var(--color-white);
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

.texture-panel::before,
.texture-panel::after {
  content: "";
  position: absolute;
  background: #f1e5d2;
  border: 1px solid rgba(176, 137, 104, 0.24);
}

.texture-panel::before {
  width: 44px;
  height: 92%;
  top: 4%;
  left: 50%;
  border-radius: 999px;
  transform: rotate(18deg);
  box-shadow: inset 8px 0 18px rgba(255, 255, 255, 0.44), inset -8px 0 18px rgba(176, 137, 104, 0.16);
}

.texture-panel::after {
  width: 250px;
  height: 250px;
  right: -60px;
  bottom: -60px;
  border-radius: 50%;
  background: transparent;
  border-color: rgba(184, 115, 51, 0.22);
}

.feature-list {
  display: grid;
  gap: 14px;
  padding: 0;
  margin: 30px 0 0;
  list-style: none;
}

.feature-list li {
  display: grid;
  grid-template-columns: 10px 1fr;
  gap: 14px;
  color: var(--color-charcoal);
}

.feature-list li::before {
  content: "";
  width: 7px;
  height: 7px;
  margin-top: 12px;
  border-radius: 50%;
  background: var(--color-copper);
}

.technical-card {
  min-height: 300px;
  padding: 28px;
}

.diagram {
  position: relative;
  display: grid;
  place-items: center;
  height: 150px;
  margin-bottom: 24px;
  border-radius: var(--radius);
  background: var(--color-rice);
  overflow: hidden;
}

.diagram-ring {
  width: 94px;
  height: 94px;
  border: 16px solid #e6d4b8;
  border-radius: 50%;
  box-shadow: inset 0 0 0 1px rgba(28, 28, 30, 0.12), 0 0 0 1px rgba(28, 28, 30, 0.08);
}

.bar-chart {
  display: flex;
  align-items: end;
  gap: 12px;
  width: 170px;
  height: 110px;
}

.bar-chart span {
  flex: 1;
  border-radius: 6px 6px 0 0;
  background: var(--color-stone);
}

.bar-chart span:first-child {
  height: 96%;
  background: var(--color-copper);
}

.bar-chart span:nth-child(2) {
  height: 24%;
}

.bar-chart span:nth-child(3) {
  height: 56%;
}

.timeline-mini {
  display: flex;
  align-items: center;
  gap: 8px;
}

.timeline-mini span {
  width: 30px;
  height: 30px;
  border: 1px solid var(--color-copper);
  border-radius: 50%;
  background: var(--color-ivory);
}

.timeline-mini i {
  width: 34px;
  height: 1px;
  background: var(--color-stone);
}

.composition {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.composition-orb {
  display: grid;
  place-items: center;
  width: min(100%, 430px);
  aspect-ratio: 1;
  margin: 0 auto;
  border: 28px solid var(--color-charcoal);
  outline: 12px solid var(--color-stone);
  border-radius: 50%;
  background: var(--color-rice);
}

.composition-orb-inner {
  display: grid;
  place-items: center;
  width: 72%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--color-ivory);
  text-align: center;
}

.composition-orb strong {
  display: block;
  font-size: 3rem;
  line-height: 1;
}

.data-list {
  display: grid;
  gap: 18px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.data-list li {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-line);
}

.comparison-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

th,
td {
  padding: 18px;
  border-bottom: 1px solid var(--color-line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--color-charcoal);
  font-size: 0.86rem;
  font-weight: 700;
}

tbody tr:last-child td {
  border-bottom: 0;
}

td:nth-child(2),
th:nth-child(2) {
  background: var(--color-rice);
  font-weight: 700;
}

.dark-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: start;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.process-item {
  min-height: 154px;
  padding: 20px;
  border: 1px solid rgba(245, 240, 232, 0.16);
  border-radius: var(--radius);
  background: rgba(245, 240, 232, 0.04);
}

.process-item span {
  color: #b87333;
  font-size: 0.82rem;
  font-weight: 700;
}

.product-card {
  display: grid;
  overflow: hidden;
}

.product-visual {
  display: grid;
  place-items: center;
  min-height: 260px;
  background: var(--color-rice);
  overflow: hidden;
}

.straw-bundle {
  position: relative;
  width: 210px;
  height: 120px;
  transform: rotate(-14deg);
}

.straw-bundle span {
  position: absolute;
  left: 0;
  width: 210px;
  height: 13px;
  border: 1px solid rgba(176, 137, 104, 0.32);
  border-radius: 999px;
  background: #f0dfc3;
  box-shadow: inset 8px 0 10px rgba(255, 255, 255, 0.44), inset -8px 0 12px rgba(176, 137, 104, 0.14);
}

.straw-bundle span:nth-child(1) { top: 2px; }
.straw-bundle span:nth-child(2) { top: 21px; }
.straw-bundle span:nth-child(3) { top: 40px; }
.straw-bundle span:nth-child(4) { top: 59px; }
.straw-bundle span:nth-child(5) { top: 78px; }
.straw-bundle span:nth-child(6) { top: 97px; }

.product-card .card-body {
  padding: 28px;
}

.specs {
  display: grid;
  gap: 8px;
  padding: 0;
  margin: 22px 0;
  color: var(--color-ink);
  font-size: 0.9rem;
  list-style: none;
}

.industries {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
}

.industry {
  min-height: 150px;
  padding: 20px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
}

.industry svg {
  width: 34px;
  height: 34px;
  margin-bottom: 22px;
  stroke: var(--color-copper);
  stroke-width: 1.5;
  fill: none;
}

.packaging-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.packaging-grid img,
.page-hero-image img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow-xl);
}

.detail-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: start;
}

.product-detail-visual {
  position: sticky;
  top: calc(var(--header-height) + 28px);
  min-height: 520px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-rice);
  box-shadow: var(--shadow-lg);
}

.product-detail-visual .straw-bundle {
  position: absolute;
  top: 42%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-14deg);
}

.product-meta {
  display: grid;
  gap: 24px;
}

.spec-panel {
  padding: 26px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
}

.spec-panel dl {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin: 0;
}

.spec-panel div {
  display: contents;
}

.spec-panel dt,
.spec-panel dd {
  padding: 14px 0;
  border-bottom: 1px solid var(--color-line);
}

.spec-panel dt {
  color: var(--color-stone);
}

.spec-panel dd {
  margin: 0;
  color: var(--color-charcoal);
  font-weight: 600;
  text-align: right;
}

.route-cta {
  padding: 48px;
  border-radius: var(--radius);
  background: #1c1c1e;
  color: #f5f0e8;
}

.route-cta p {
  color: #d5cec2;
}

.calculator {
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: 28px;
  padding: 28px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
  box-shadow: var(--shadow-lg);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.field {
  display: grid;
  gap: 8px;
}

.field.full {
  grid-column: 1 / -1;
}

label,
.label {
  color: var(--color-charcoal);
  font-size: 0.9rem;
  font-weight: 600;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  padding: 11px 12px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-ivory);
  color: var(--color-charcoal);
}

textarea {
  min-height: 132px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-copper);
  outline: none;
  box-shadow: 0 0 0 3px rgba(184, 115, 51, 0.12);
}

.result-panel {
  display: grid;
  align-content: center;
  gap: 18px;
  padding: 28px;
  border-radius: var(--radius);
  background: var(--color-charcoal);
  color: var(--color-ivory);
}

.result-panel p {
  color: #d5cec2;
}

.result-number {
  font-size: 2.3rem;
  line-height: 1;
  font-weight: 700;
}

.badge {
  display: inline-flex;
  width: fit-content;
  padding: 7px 10px;
  border: 1px solid rgba(184, 115, 51, 0.42);
  border-radius: var(--radius);
  color: var(--color-copper);
  font-size: 0.82rem;
  font-weight: 700;
}

.quote {
  display: grid;
  gap: 26px;
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}

.quote blockquote {
  margin: 0;
  color: var(--color-charcoal);
  font-size: 1.6rem;
  line-height: 1.45;
}

.testimonial-controls {
  display: flex;
  justify-content: center;
  gap: 8px;
}

.dot {
  width: 9px;
  height: 9px;
  border: 0;
  border-radius: 50%;
  background: var(--color-stone);
  cursor: pointer;
}

.dot[aria-selected="true"] {
  background: var(--color-charcoal);
}

.faq-groups {
  display: grid;
  gap: 40px;
}

.faq-group-title {
  margin-bottom: 16px;
  color: var(--color-copper);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.accordion {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.accordion-item {
  flex: 1 1 calc(50% - 6px);
  min-width: 280px;
  align-self: flex-start;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
}

.accordion-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 20px;
  padding: 20px;
  border: 0;
  background: transparent;
  cursor: pointer;
  text-align: left;
  font-weight: 700;
}

.accordion-trigger span:last-child {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  color: var(--color-copper);
  font-size: 1.4rem;
  transition: transform 200ms var(--ease-out);
}

.accordion-item.is-open .accordion-trigger span:last-child {
  transform: rotate(45deg);
}

.accordion-panel {
  display: none;
  padding: 0 20px 22px;
}

.accordion-item.is-open .accordion-panel {
  display: block;
}

.contact-methods {
  display: grid;
  gap: 14px;
}

.method-card {
  padding: 22px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
}

.form-note {
  margin-top: 12px;
  color: var(--color-stone);
  font-size: 0.88rem;
}

.page-hero {
  padding: 92px 0 76px;
  background: var(--color-ivory);
}

.page-hero-grid {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 56px;
  align-items: center;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
  color: var(--color-stone);
  font-size: 0.86rem;
}

.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.kpi {
  padding: 22px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
}

.kpi strong {
  display: block;
  color: var(--color-copper);
  font-size: 1.7rem;
  line-height: 1;
}

.legal-copy {
  display: grid;
  gap: 24px;
  max-width: 820px;
}

.site-footer {
  padding: 78px 0 40px;
  background: #1c1c1e;
  color: #f5f0e8;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 40px;
}

.site-footer p,
.site-footer a {
  color: #c9c0b3;
}

.site-footer a {
  text-decoration: none;
}

.footer-logo {
  width: 150px;
  margin-bottom: 22px;
  filter: brightness(0) saturate(100%) invert(94%) sepia(10%) saturate(471%) hue-rotate(332deg) brightness(106%) contrast(92%);
}

.footer-links {
  display: grid;
  gap: 10px;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px;
  margin-top: 60px;
  padding-top: 28px;
  border-top: 1px solid rgba(245, 240, 232, 0.16);
  color: #a8a29e;
  font-size: 0.88rem;
}

/* WhatsApp floating action button — injected site-wide by initWhatsAppFab() in main.js */
.whatsapp-fab {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 300;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: transparent;
  box-shadow: var(--shadow-lg);
  transition: transform 200ms var(--ease-out), box-shadow 200ms var(--ease-out);
}

.whatsapp-fab svg {
  width: 56px;
  height: 56px;
}

.whatsapp-fab:hover {
  transform: translateY(-2px) scale(1.04);
  box-shadow: var(--shadow-xl);
}

/* Straw size guide */
.size-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.size-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  transition: transform 400ms var(--ease-out), box-shadow 400ms var(--ease-out);
}

.size-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.size-card.is-best-seller {
  border-color: rgba(184, 115, 51, 0.4);
}

.size-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  padding: 5px 10px;
  border-radius: var(--radius);
  background: var(--color-rice);
  color: var(--color-copper);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.size-viz {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 88px;
  margin-bottom: 20px;
}

.size-viz-ring {
  display: block;
  border-radius: 50%;
  background: var(--color-rice);
  box-shadow: inset 0 0 0 1px rgba(28, 28, 30, 0.12), 0 0 0 6px var(--color-ivory);
}

.size-viz-label {
  position: absolute;
  color: var(--color-charcoal);
  font-size: 0.8rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.size-description {
  margin-bottom: 16px;
  font-size: 0.92rem;
}

.size-best-for {
  display: grid;
  gap: 8px;
  padding: 0;
  margin: 0 0 22px;
  list-style: none;
}

.size-best-for li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-ink);
  font-size: 0.86rem;
}

.size-best-for svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  stroke: var(--color-copper);
  stroke-width: 1.5;
  fill: none;
}

.size-card .button {
  width: 100%;
  margin-top: auto;
}

/* Colour selector — architecture ready for a real product photo, see main.js comments */
.colour-selector {
  display: grid;
  grid-template-columns: 0.8fr 1fr;
  gap: 48px;
  align-items: center;
}

.straw-visual-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 320px;
  border-radius: var(--radius);
  background: var(--color-rice);
  overflow: hidden;
}

.straw-visual-base {
  position: relative;
  z-index: 1;
  height: 260px;
}

.straw-visual-base img,
.straw-placeholder {
  height: 100%;
  width: auto;
}

.straw-visual-tint {
  position: absolute;
  inset: 0;
  z-index: 2;
  margin: auto;
  width: 28px;
  height: 260px;
  border-radius: 14px;
  background: var(--swatch-colour, var(--color-stone));
  mix-blend-mode: color;
  transition: background 400ms var(--ease-out);
}

.colour-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 18px;
}

.colour-swatch {
  width: 40px;
  height: 40px;
  border: 2px solid var(--color-line);
  border-radius: 50%;
  background: var(--swatch-colour);
  cursor: pointer;
  transition: transform 200ms var(--ease-out), border-color 200ms var(--ease-out);
}

.colour-swatch:hover {
  transform: scale(1.08);
}

.colour-swatch[aria-pressed="true"] {
  border-color: var(--color-copper);
  box-shadow: 0 0 0 3px rgba(184, 115, 51, 0.16);
}

.colour-name {
  margin: 0 0 22px;
  color: var(--color-charcoal);
  font-weight: 600;
}

/* Certifications */
.cert-group + .cert-group {
  margin-top: 48px;
}

.cert-group-title {
  margin-bottom: 20px;
  color: var(--color-stone);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.cert-card {
  padding: 24px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
}

.cert-kind {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--color-copper);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.cert-card h3 {
  margin-bottom: 6px;
  font-size: 1.05rem;
}

.cert-issuer {
  margin-bottom: 10px;
  color: var(--color-ink);
  font-size: 0.86rem;
}

.cert-scope {
  margin-bottom: 16px;
  font-size: 0.86rem;
}

.cert-meta {
  display: grid;
  gap: 6px;
  margin: 0 0 10px;
  padding-top: 14px;
  border-top: 1px solid var(--color-line);
}

.cert-meta div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.82rem;
}

.cert-meta dt {
  color: var(--color-stone);
}

.cert-meta dd {
  margin: 0;
  color: var(--color-charcoal);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.cert-entity {
  margin: 0;
  color: var(--color-stone);
  font-size: 0.76rem;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger utilities for grouped cards (product/size cards, certifications, colour options).
   Apply to siblings within a group — do not use on every element on the page. */
.reveal-delay-1 {
  --reveal-delay: 80ms;
}

.reveal-delay-2 {
  --reveal-delay: 160ms;
}

.reveal-delay-3 {
  --reveal-delay: 240ms;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes rule {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

@media (max-width: 1180px) {
  h1,
  .display-title {
    font-size: 4rem;
  }

  h2 {
    font-size: 2.55rem;
  }

  .industries {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .size-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cert-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 920px) {
  :root {
    --header-height: 68px;
  }

  body {
    font-size: 15px;
  }

  h1,
  .display-title {
    font-size: 3rem;
  }

  h2 {
    font-size: 2.25rem;
  }

  .desktop-nav,
  .nav-actions .button {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .section {
    padding: 88px 0;
  }

  .hero,
  .hero-content {
    min-height: 88vh;
  }

  .hero-media img {
    object-position: 61% 58%;
  }

  .hero-copy {
    max-width: 560px;
  }

  .grid-3,
  .grid-2,
  .solution-grid,
  .composition,
  .dark-grid,
  .packaging-grid,
  .calculator,
  .faq-layout,
  .contact-grid,
  .page-hero-grid,
  .detail-grid,
  .footer-grid,
  .colour-selector {
    grid-template-columns: 1fr;
  }

  .whatsapp-fab {
    right: 16px;
    bottom: 16px;
    width: 50px;
    height: 50px;
  }

  .whatsapp-fab svg {
    width: 50px;
    height: 50px;
  }

  .product-detail-visual {
    position: relative;
    top: auto;
    min-height: 360px;
  }

  .texture-panel {
    min-height: 420px;
  }

  .kpi-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  body {
    font-size: 14px;
  }

  .container,
  .narrow {
    width: min(100% - 32px, var(--container));
  }

  .nav-inner {
    width: min(100% - 28px, 1240px);
  }

  .brand img {
    width: 112px;
    height: 42px;
  }

  h1,
  .display-title {
    font-size: 2.35rem;
  }

  h2 {
    font-size: 1.95rem;
  }

  .hero,
  .hero-content {
    min-height: 88vh;
  }

  .hero-content {
    align-items: flex-start;
    padding-top: 64px;
  }

  .hero-media img {
    object-position: 58% 52%;
  }

  .hero-actions,
  .cta-row {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .form-grid,
  .process-grid,
  .industries,
  .kpi-row,
  .size-grid,
  .cert-grid {
    grid-template-columns: 1fr;
  }

  .accordion-item {
    flex-basis: 100%;
  }

  .card.padded,
  .form-shell,
  .calculator,
  .route-cta {
    padding: 22px;
  }

  .spec-panel dl {
    grid-template-columns: 1fr;
  }

  .spec-panel dd {
    text-align: left;
  }

  .mobile-panel a {
    font-size: 1.8rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}
