:root {
  color-scheme: light;
  --ink: #17211b;
  --muted: #5a655d;
  --green-900: #153e2b;
  --green-700: #1f6b45;
  --green-500: #4f9d67;
  --mint: #e7f3e8;
  --paper: #fbfaf4;
  --warm: #f2e3cf;
  --clay: #b86f4a;
  --amber: #d59b35;
  --blue: #dbeaf0;
  --line: rgba(23, 33, 27, 0.14);
  --shadow: 0 18px 45px rgba(28, 50, 35, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 28px;
  align-items: center;
  padding: 16px 34px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(251, 250, 244, 0.78);
  backdrop-filter: blur(18px);
  transition:
    box-shadow 180ms ease,
    background 180ms ease,
    border-color 180ms ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  background: rgba(251, 250, 244, 0.94);
  box-shadow: 0 10px 32px rgba(32, 42, 34, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 250px;
}

.brand-logo-image {
  width: 68px;
  height: 68px;
  object-fit: contain;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 10px 26px rgba(21, 62, 43, 0.12);
}

.brand-name {
  color: var(--green-900);
  font-size: 0.98rem;
  font-weight: 900;
  line-height: 1.05;
}

.brand-mark,
.mini-seal {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 2px solid var(--green-700);
  border-radius: 50%;
  color: var(--green-900);
  font-weight: 800;
  background: #fffdf8;
}

.brand strong,
.footer-inner strong {
  display: block;
  font-size: 0.9rem;
  line-height: 1.15;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.25;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 18px;
  color: #26352b;
  font-size: 0.9rem;
  font-weight: 650;
}

.site-nav a {
  padding: 8px 2px;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--green-700);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid rgba(21, 62, 43, 0.26);
  border-radius: 999px;
  background: var(--green-900);
  color: white;
  font-size: 0.88rem;
  font-weight: 750;
  white-space: nowrap;
}

.hero {
  position: relative;
  display: grid;
  min-height: 88vh;
  overflow: hidden;
  padding: 118px 34px 54px;
  isolation: isolate;
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  z-index: -3;
  object-fit: cover;
}

.hero-shade {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(251, 250, 244, 0.96) 0%, rgba(251, 250, 244, 0.77) 38%, rgba(251, 250, 244, 0.12) 70%),
    linear-gradient(0deg, rgba(23, 33, 27, 0.2), rgba(23, 33, 27, 0.02) 42%);
}

.hero-content {
  width: min(690px, 100%);
  align-self: center;
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--green-700);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin-bottom: 22px;
  color: var(--green-900);
  font-size: 4.35rem;
  line-height: 0.98;
  letter-spacing: 0;
  max-width: 14ch;
}

.hero-copy {
  max-width: 630px;
  color: #314136;
  font-size: 1.2rem;
}

.hero-actions,
.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.hero-actions {
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button.primary {
  background: var(--green-700);
  color: #fff;
  box-shadow: 0 13px 26px rgba(21, 62, 43, 0.22);
}

.button.primary:hover,
.button.primary:focus-visible {
  background: var(--green-900);
}

.button.secondary {
  border-color: rgba(31, 107, 69, 0.34);
  background: rgba(255, 255, 255, 0.72);
  color: var(--green-900);
}

.button.secondary.dark {
  border-color: rgba(255, 255, 255, 0.38);
  background: rgba(255, 255, 255, 0.08);
  color: white;
}

.hero-proof {
  margin-top: 34px;
  color: var(--green-900);
  font-size: 0.92rem;
  font-weight: 760;
}

.hero-proof span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-proof span::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--clay);
}

.impact-seal {
  position: absolute;
  right: 44px;
  bottom: 38px;
  width: 214px;
  display: grid;
  gap: 10px;
  justify-items: center;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.88);
  box-shadow: 0 18px 48px rgba(21, 62, 43, 0.22);
  backdrop-filter: blur(18px);
  text-align: center;
}

.impact-logo-image {
  width: 142px;
  height: 142px;
  object-fit: contain;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: inset 0 0 0 1px rgba(21, 62, 43, 0.1);
}

.impact-seal-copy {
  display: grid;
  gap: 4px;
  text-align: center;
}

.impact-seal-copy strong {
  color: var(--green-900);
  font-size: 1rem;
  font-weight: 900;
  line-height: 1.12;
}

.impact-seal-copy small {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 720;
  line-height: 1.25;
}

.section {
  padding: 92px 34px;
}

.section-inner {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.two-column,
.mark-layout,
.rivopack-layout,
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 70px;
  align-items: center;
}

.two-column.reverse {
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
}

h2 {
  margin-bottom: 22px;
  color: var(--green-900);
  font-size: 2.55rem;
  line-height: 1.06;
  letter-spacing: 0;
}

h3 {
  color: var(--ink);
  font-size: 1.18rem;
  line-height: 1.2;
}

.lead-copy p,
.business-section p,
.tree-section p,
.rivopack-section p,
.clean-energy-section p,
.mark-section p,
.trust-section p,
.partners-section p,
.contact-section p {
  color: var(--muted);
  font-size: 1.04rem;
}

.key-line {
  color: var(--green-900) !important;
  font-weight: 850;
}

.intro-section {
  background: var(--paper);
}

.steps-section {
  background: #eef4ee;
}

.section-heading {
  width: min(690px, 100%);
  margin-bottom: 38px;
}

.section-heading.compact {
  width: min(760px, 100%);
}

.section-heading p:last-child {
  color: var(--muted);
  font-size: 1.05rem;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.step-card,
.benefit-list,
.trust-list,
.certificate,
.impact-panel,
.pillar {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.82);
}

.step-card {
  min-height: 260px;
  padding: 24px;
}

.step-number {
  display: inline-flex;
  margin-bottom: 44px;
  color: var(--clay);
  font-size: 0.82rem;
  font-weight: 900;
}

.step-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.pillars-section {
  background: var(--paper);
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.pillar {
  min-height: 220px;
  padding: 22px;
  overflow: hidden;
  position: relative;
}

.pillar::after {
  content: "";
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 18px;
  height: 4px;
  background: currentColor;
}

.pillar span {
  display: block;
  margin-bottom: 54px;
  color: var(--green-900);
  font-size: 1.24rem;
  font-weight: 900;
}

.pillar p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.pillar.plant {
  color: var(--green-700);
}

.pillar.replace {
  color: var(--clay);
}

.pillar.power {
  color: var(--amber);
}

.pillar.reduce {
  color: #3c6e71;
}

.pillar.restore {
  color: #6a7f3c;
}

.tree-section {
  background: #f7efe3;
}

.impact-panel {
  min-height: 360px;
  padding: 34px;
  background:
    linear-gradient(140deg, rgba(21, 62, 43, 0.93), rgba(31, 107, 69, 0.9)),
    var(--green-900);
  color: white;
  box-shadow: var(--shadow);
}

.panel-label {
  display: inline-flex;
  margin-bottom: 88px;
  padding: 7px 12px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 0.82rem;
  font-weight: 750;
}

.impact-panel strong {
  display: block;
  margin-bottom: 18px;
  font-size: 2.4rem;
  line-height: 1.02;
}

.impact-panel p {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
}

.business-section {
  background: var(--paper);
}

.inline-button {
  margin-top: 14px;
}

.benefit-list,
.trust-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.benefit-list li,
.trust-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
  color: #26352b;
  font-weight: 720;
}

.benefit-list li:last-child,
.trust-list li:last-child {
  border-bottom: 0;
}

.benefit-list li::before,
.trust-list li::before {
  content: "";
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--green-500);
}

.rivopack-section {
  background: var(--green-900);
  color: white;
}

.rivopack-section h2,
.rivopack-section .eyebrow {
  color: white;
}

.rivopack-section p {
  color: rgba(255, 255, 255, 0.78);
}

.rivopack-layout {
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.74fr);
}

.packaging-card {
  width: min(430px, 100%);
  margin-left: auto;
  transform: rotate(-2deg);
}

.box-lid {
  height: 82px;
  margin: 0 34px;
  border-radius: 8px 8px 0 0;
  background: #d9b98f;
  box-shadow: inset 0 -16px 0 rgba(0, 0, 0, 0.08);
}

.box-body {
  min-height: 260px;
  padding: 42px;
  border: 1px solid rgba(68, 45, 26, 0.16);
  border-radius: 8px;
  background: linear-gradient(135deg, #e8cfae, #c99f6d);
  box-shadow: 0 26px 58px rgba(0, 0, 0, 0.24);
  color: #2d2217;
}

.mini-seal {
  width: 54px;
  height: 54px;
  margin-bottom: 52px;
  background: rgba(255, 253, 248, 0.88);
}

.box-body strong {
  display: block;
  max-width: 210px;
  font-size: 1.7rem;
  line-height: 1.05;
}

.box-body p {
  max-width: 220px;
  margin: 12px 0 0;
  color: rgba(45, 34, 23, 0.82);
  font-weight: 760;
}

.clean-energy-section {
  background: var(--blue);
}

.mark-section {
  background: var(--paper);
}

.mark-layout {
  grid-template-columns: minmax(0, 1fr) minmax(330px, 0.82fr);
}

.certificate {
  padding: 30px;
  background: #fffdf8;
  box-shadow: var(--shadow);
}

.certificate-top {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 38px;
  padding-bottom: 18px;
  border-bottom: 2px solid var(--green-700);
  color: var(--green-900);
  font-weight: 900;
}

.certificate-top small {
  color: var(--muted);
  font-weight: 760;
}

.certificate dl {
  display: grid;
  gap: 14px;
  margin: 0 0 28px;
}

.certificate dl div {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.certificate dt {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 760;
}

.certificate dd {
  margin: 0;
  color: var(--ink);
  font-weight: 800;
}

.small-button {
  min-height: 42px;
  padding-inline: 16px;
  font-size: 0.88rem;
}

.trust-section {
  background: #edf1e6;
}

.partners-section {
  background: var(--paper);
}

.partner-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.partner-strip span {
  min-height: 68px;
  display: flex;
  align-items: center;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.76);
  color: var(--green-900);
  font-weight: 800;
}

.contact-section {
  background: var(--green-900);
  color: white;
}

.contact-section h2,
.contact-section .eyebrow {
  color: white;
}

.contact-section p {
  color: rgba(255, 255, 255, 0.78);
}

.contact-layout {
  grid-template-columns: minmax(0, 0.76fr) minmax(0, 1.24fr);
  align-items: flex-start;
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.07);
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.86rem;
  font-weight: 760;
}

.contact-form input,
.contact-form select {
  width: 100%;
  min-height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  font: inherit;
  padding: 10px 12px;
}

.contact-form input:focus,
.contact-form select:focus {
  outline: 3px solid rgba(79, 157, 103, 0.45);
  outline-offset: 1px;
}

.form-button {
  grid-column: 1 / -1;
  width: fit-content;
  border-color: transparent;
}

.form-note {
  grid-column: 1 / -1;
  min-height: 24px;
  margin: 0;
  color: rgba(255, 255, 255, 0.82) !important;
  font-weight: 720;
}

.site-footer {
  padding: 70px 34px;
  background: var(--paper);
  color: rgba(255, 255, 255, 0.82);
}

.footer-inner {
  width: min(1180px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(300px, 1.2fr) repeat(3, minmax(160px, 0.72fr));
  gap: 72px;
  align-items: start;
  padding: 54px 48px;
  border-radius: 0;
  background: linear-gradient(180deg, #071c15 0%, #061811 100%);
  box-shadow: 0 24px 55px rgba(17, 26, 21, 0.12);
}

.footer-brand-block {
  display: grid;
  gap: 26px;
}

.footer-logo-card {
  display: grid;
  place-items: center;
  width: min(260px, 100%);
  min-height: 118px;
  padding: 18px 26px;
  border-radius: 8px;
  background: #fff;
}

.footer-logo-card img {
  width: min(165px, 100%);
  height: auto;
}

.footer-brand-block p {
  max-width: 340px;
  margin: 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: 1.12rem;
  font-weight: 820;
  line-height: 1.45;
}

.footer-rule {
  width: min(330px, 100%);
  height: 1px;
  background: rgba(255, 255, 255, 0.12);
}

.footer-brand-block small {
  color: rgba(255, 255, 255, 0.66);
  font-size: 1rem;
  font-weight: 820;
}

.footer-column {
  display: grid;
  gap: 18px;
}

.footer-column h2 {
  margin: 0 0 6px;
  color: white;
  font-size: 1.16rem;
  line-height: 1.2;
}

.footer-column a,
.footer-column span {
  color: rgba(255, 255, 255, 0.66);
  font-size: 1.08rem;
  font-weight: 820;
}

.footer-column a:hover,
.footer-column a:focus-visible {
  color: white;
}

@media (max-width: 1080px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-nav {
    display: none;
  }

  h1 {
    font-size: 3.8rem;
  }

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

  .impact-seal {
    right: 24px;
    width: 190px;
    padding: 14px;
  }

  .impact-logo-image {
    width: 122px;
    height: 122px;
  }

  .impact-seal-copy strong {
    font-size: 0.92rem;
  }

  .impact-seal-copy small {
    font-size: 0.76rem;
  }

  .footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 42px;
  }

  .footer-brand-block {
    grid-column: 1 / -1;
  }
}

@media (max-width: 820px) {
  .site-header {
    position: absolute;
    padding: 14px 18px;
  }

  .brand {
    min-width: 0;
  }

  .nav-cta {
    display: none;
  }

  .brand-logo-image {
    width: 54px;
    height: 54px;
  }

  .hero {
    min-height: 78vh;
    padding: 112px 20px 58px;
  }

  .hero-image {
    object-position: 68% center;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(251, 250, 244, 0.96) 0%, rgba(251, 250, 244, 0.82) 48%, rgba(251, 250, 244, 0.26) 100%),
      linear-gradient(0deg, rgba(23, 33, 27, 0.18), rgba(23, 33, 27, 0.02));
  }

  h1 {
    font-size: 3rem;
    max-width: 10ch;
  }

  .hero-copy {
    font-size: 1.05rem;
  }

  .impact-seal {
    display: none;
  }

  .section {
    padding: 68px 20px;
  }

  .two-column,
  .two-column.reverse,
  .mark-layout,
  .rivopack-layout,
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  h2 {
    font-size: 2rem;
  }

  .steps-grid,
  .pillars-grid,
  .partner-strip,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .step-card,
  .pillar {
    min-height: auto;
  }

  .step-number,
  .pillar span {
    margin-bottom: 24px;
  }

  .impact-panel {
    min-height: auto;
  }

  .panel-label {
    margin-bottom: 50px;
  }

  .packaging-card {
    margin: 0;
    transform: none;
  }

  .certificate dl div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .site-footer {
    padding: 46px 20px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 34px;
    padding: 32px 24px;
  }

  .footer-logo-card {
    width: 100%;
    min-height: 110px;
  }

  .footer-brand-block p,
  .footer-brand-block small,
  .footer-column a,
  .footer-column span {
    font-size: 1rem;
  }
}

@media (max-width: 520px) {
  .brand {
    gap: 10px;
  }

  .brand-logo-image {
    width: 48px;
    height: 48px;
  }

  .brand-name {
    max-width: 92px;
    font-size: 0.78rem;
  }

  h1 {
    font-size: 2.42rem;
  }

  .button {
    width: 100%;
    min-height: 50px;
    padding-inline: 14px;
  }

  .hero-proof {
    display: grid;
    gap: 8px;
  }

  .contact-form {
    padding: 18px;
  }

  .box-body {
    padding: 30px;
  }
}