@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700&family=Instrument+Sans:wght@500;600;700&display=swap');

:root {
  --color-brand: #1b5e3a;
  --color-brand-dark: #123d27;
  --color-brand-soft: #e8f3ec;
  --color-leaf: #3d8b5a;
  --color-accent: #d97706;
  --color-bg: #fcfcfa;
  --color-bg-muted: #f3f6f2;
  --color-text: #1f2930;
  --color-text-muted: #5b6670;
  --color-heading: #102819;
  --color-border: #d8e0d8;
  --font-display: 'Instrument Sans', 'Segoe UI', sans-serif;
  --font-body: 'DM Sans', 'Segoe UI', sans-serif;
  --radius-sm: 6px;
  --radius-md: 12px;
  --shadow-soft: 0 10px 30px rgba(16, 40, 25, 0.06);
  --container: min(1120px, calc(100% - 2rem));
  --nav-desktop-min: 1100px;
  --fab-size: 3rem;
  --fab-gap: 1rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  margin: 0;
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  padding-bottom: calc(5.5rem + env(safe-area-inset-bottom, 0px));
}

#main-content {
  padding-bottom: 0.5rem;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

a:hover {
  color: var(--color-brand-dark);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-heading);
}

h1 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h2 {
  font-size: clamp(1.45rem, 2.5vw, 1.9rem);
}

p {
  margin: 0 0 1rem;
}

ul,
ol {
  margin: 0 0 1rem;
}

.container {
  width: var(--container);
  max-width: 100%;
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100%;
  z-index: 1000;
  background: var(--color-brand);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  top: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  padding: 0.7rem 1.1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  font: inherit;
}

.btn:focus-visible,
.nav-link:focus-visible,
.menu-toggle:focus-visible,
.mobile-link:focus-visible,
.contact-row-value a:focus-visible,
.contact-wa-cta:focus-visible,
.whatsapp-fab:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

.mobile-nav-cta {
  margin-top: 0.5rem;
  text-align: center;
}

.spec-table-caption {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin: 0.75rem 0 0.35rem;
}

.whatsapp-fab {
  position: fixed;
  right: calc(var(--fab-gap) + env(safe-area-inset-right, 0px));
  bottom: calc(var(--fab-gap) + env(safe-area-inset-bottom, 0px));
  z-index: 40;
  width: var(--fab-size);
  height: var(--fab-size);
  border-radius: 999px;
  background: #25d366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.16);
  text-decoration: none;
  border: 2px solid #fff;
}

.whatsapp-fab svg {
  width: 1.45rem;
  height: 1.45rem;
}

@media (max-width: 1023px) {
  :root {
    --fab-size: 2.75rem;
    --fab-gap: 0.75rem;
  }
}

.whatsapp-fab:hover {
  color: #fff;
  filter: brightness(1.05);
}

.btn-primary {
  background: var(--color-brand);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-brand-dark);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-heading);
}

.btn-secondary:hover {
  border-color: var(--color-brand);
  color: var(--color-brand);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-leaf);
  margin: 0 0 0.75rem;
}

.lead {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 62ch;
}

.muted {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.confirm-note {
  border-left: 4px solid var(--color-accent);
  background: #fff8ef;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
}

.disclaimer {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  padding: 1rem 1.1rem;
  border-left: 4px solid var(--color-accent);
  background: #fff8ef;
  border-radius: var(--radius-sm);
  margin: 1.25rem 0;
  font-size: 0.92rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: 4.5rem;
}

@media (min-width: 1100px) {
  .header-inner {
    display: grid;
    grid-template-columns: minmax(0, auto) minmax(0, 1fr) auto;
    align-items: center;
    column-gap: 1rem;
  }
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
}

.brand-logo {
  width: auto;
  height: auto;
  max-height: 64px;
  max-width: min(120px, 32vw);
  object-fit: contain;
  flex-shrink: 0;
}

.footer-logo-wrap {
  display: inline-block;
  padding: 0.65rem 0.85rem;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
  margin-bottom: 0.85rem;
}

.footer-logo {
  width: auto;
  max-height: 72px;
  max-width: 150px;
  object-fit: contain;
  margin: 0;
  display: block;
}

.footer-heading {
  color: #fff;
  font-size: 1rem;
  margin: 0 0 0.75rem;
}

.footer-muted {
  color: #b7cabb;
  margin: 0.35rem 0 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-brand-dark);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.95rem;
}

.brand-sub {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.desktop-nav {
  display: none;
  gap: 0.15rem;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: center;
  min-width: 0;
}

.nav-link {
  text-decoration: none;
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.84rem;
  padding: 0.4rem 0.48rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.nav-link.active,
.nav-link:hover {
  color: var(--color-brand);
  background: var(--color-brand-soft);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.header-cta {
  display: none;
  white-space: nowrap;
  padding: 0.55rem 0.9rem;
  font-size: 0.9rem;
}

.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  background: #fff;
  border-radius: var(--radius-sm);
  width: 2.5rem;
  height: 2.5rem;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.75rem 1rem 1rem;
  border-top: 1px solid var(--color-border);
  background: #fff;
}

.mobile-nav.open {
  display: flex;
}

@media (min-width: 1100px) {
  .desktop-nav {
    display: flex;
  }

  .header-cta {
    display: inline-flex;
  }

  .menu-toggle {
    display: none;
  }

  .mobile-nav,
  .mobile-nav.open {
    display: none !important;
  }
}

.mobile-link {
  text-decoration: none;
  color: var(--color-text);
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
}

.mobile-link.active,
.mobile-link:hover {
  background: var(--color-brand-soft);
  color: var(--color-brand);
}

.page-hero {
  padding: 2.5rem 0 2rem;
  background: var(--color-bg-muted);
  border-bottom: 1px solid var(--color-border);
}

.section {
  padding: 3rem 0;
}

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

.section-header {
  margin-bottom: 1.5rem;
  max-width: 70ch;
}

.home-hero {
  padding: clamp(2rem, 5vw, 4rem) 0;
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(135deg, rgba(27, 94, 58, 0.04), transparent);
}

.home-hero-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
  min-width: 0;
}

.home-hero-grid > * {
  min-width: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0 1rem;
}

.hero-media {
  margin: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.product-grid {
  display: grid;
  gap: 1.25rem;
}

.product-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.product-card-media,
.catalog-reference-frame {
  background: var(--color-bg-muted);
  border-bottom: 1px solid var(--color-border);
  padding: 0.5rem;
}

.product-card-media img,
.catalog-reference-img {
  width: 100%;
  height: auto;
  max-height: 520px;
  object-fit: contain;
  object-position: top center;
  margin-inline: auto;
}

.hero-media img {
  width: 100%;
  height: auto;
  object-fit: contain;
  max-height: 420px;
  background: var(--color-bg-muted);
}

.product-card-body {
  padding: 1.25rem;
}

.process-steps {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.process-steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
}

.step-num {
  font-weight: 700;
  color: var(--color-accent);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  background: #fff;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.spec-table caption {
  caption-side: top;
  text-align: left;
  padding: 0.65rem 0.85rem;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  background: var(--color-bg-muted);
  border-bottom: 1px solid var(--color-border);
}

.spec-table th,
.spec-table td {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

.spec-table th {
  width: 38%;
  color: var(--color-text-muted);
}

.equipment-card,
.feedstock-panel,
.app-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  background: #fff;
  margin-bottom: 1rem;
}

.equipment-unit {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-leaf);
}

.tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--color-brand-soft);
  color: var(--color-brand-dark);
  padding: 0.2rem 0.45rem;
  border-radius: 999px;
  margin-right: 0.35rem;
}

.use-case-grid {
  display: grid;
  gap: 1.25rem;
  margin-bottom: 1rem;
}

.use-case-card {
  margin: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.use-case-card img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
}

.use-case-card--featured img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.use-case-caption {
  padding: 0.85rem 1rem 1rem;
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.5;
}

.use-case-caption strong {
  display: block;
  color: var(--color-heading);
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}

.enquiry-cta {
  padding: 2rem 0 3rem;
  scroll-margin-bottom: calc(var(--fab-size) + var(--fab-gap) + 1rem);
}

.enquiry-box {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  background: linear-gradient(120deg, var(--color-brand-dark), var(--color-brand));
  color: #fff;
}

.enquiry-box h2,
.enquiry-box p {
  color: #fff;
}

.enquiry-box .btn-primary {
  background: #fff;
  color: var(--color-brand-dark);
}

.site-footer {
  background: #102819;
  color: #dce7df;
  padding-top: 2.5rem;
}

.footer-grid {
  display: grid;
  gap: 2rem;
  padding-bottom: 2rem;
}

.footer-grid a {
  color: #dce7df;
  text-decoration: none;
}

.footer-grid a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 1.25rem 0 1.75rem;
  font-size: 0.85rem;
  color: #b7cabb;
}

.breadcrumbs {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  padding-top: 1rem;
}

.breadcrumbs a {
  text-decoration: none;
}

.contact-grid {
  display: grid;
  gap: 1.25rem;
}

.contact-direct {
  max-width: 40rem;
}

.page-hero--compact .lead {
  display: none;
}

.contact-page {
  max-width: 44rem;
  margin-inline: auto;
}

.contact-intro {
  margin-bottom: 1.75rem;
  text-align: center;
}

.contact-intro h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  color: var(--color-heading);
}

.contact-intro .lead {
  margin: 0 auto;
}

.contact-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.contact-card-header {
  padding: 1.35rem 1.35rem 1rem;
  background: linear-gradient(135deg, var(--color-brand-soft) 0%, #fff 100%);
  border-bottom: 1px solid var(--color-border);
}

.contact-card-header h3 {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
  color: var(--color-heading);
}

.contact-card-sub {
  margin: 0;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.contact-rows {
  list-style: none;
  margin: 0;
  padding: 0;
}

.contact-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1.15rem 1.35rem;
  border-bottom: 1px solid var(--color-border);
}

.contact-row:last-child {
  border-bottom: none;
}

.contact-row-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 999px;
  background: var(--color-brand-soft);
  color: var(--color-brand);
  flex-shrink: 0;
}

.contact-row-icon--whatsapp {
  background: #e7f9ef;
  color: #128c7e;
}

.contact-row-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-leaf);
  margin-bottom: 0.35rem;
}

.contact-row-value {
  margin: 0;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--color-text);
}

.contact-row-value a {
  font-weight: 600;
  text-decoration: none;
  color: var(--color-brand-dark);
}

.contact-row-value a:hover {
  color: var(--color-brand);
  text-decoration: underline;
}

.contact-row-note {
  margin: 0.4rem 0 0;
  font-size: 0.85rem;
}

.contact-card-footer {
  padding: 1.25rem 1.35rem 1.35rem;
  background: var(--color-bg-muted);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.85rem;
}

.contact-wa-cta {
  justify-content: center;
  text-align: center;
}

.contact-cin {
  margin: 0;
  text-align: center;
  font-size: 0.88rem;
}

.doc-link-card {
  margin-top: 1.25rem;
  padding: 1.25rem 1.35rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  border-left: 4px solid var(--color-brand);
}

.doc-link-title {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  color: var(--color-heading);
}

.doc-link-card .btn {
  margin-top: 0.75rem;
}

@media (min-width: 768px) {
  .contact-intro {
    text-align: left;
  }

  .contact-card-footer {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
  }

  .contact-wa-cta {
    flex: 0 1 auto;
  }

  .contact-cin {
    text-align: right;
    margin-left: auto;
  }
}

.contact-form label {
  display: grid;
  gap: 0.35rem;
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: 0.75rem;
}

.contact-form input,
.contact-form textarea {
  font: inherit;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.75rem;
  width: 100%;
}

.image-caption {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding: 0.5rem 0.75rem 0.75rem;
  margin: 0;
}

.product-photo-frame {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-bg-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin: 0;
}

.product-photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Detail pages: preserve the complete individual product image */
.product-photo-frame--detail {
  aspect-ratio: auto;
  overflow: visible;
  padding: 0.5rem;
}

.product-photo-frame--detail img {
  width: 100%;
  height: auto;
  max-height: 440px;
  object-fit: contain;
  object-position: center;
}

.reference-value-note {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  border-left: 3px solid var(--color-border);
  padding-left: 0.75rem;
  margin: 0 0 1rem;
}

.process-rail {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: process;
}

.process-rail-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1.25rem 1rem;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
}

.process-rail-item h3 {
  margin: 0 0 0.35rem;
}

.process-rail-item p {
  margin: 0;
}

.doc-role-list {
  padding-left: 1.1rem;
}

.doc-role-list li {
  margin-bottom: 0.5rem;
}

.detail-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .home-hero-grid,
  .detail-grid,
  .contact-grid,
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .use-case-card--featured {
    grid-column: 1 / -1;
  }

  .footer-grid {
    grid-template-columns: 1.2fr 1fr 0.9fr;
  }
}