:root {
  --ink: #10242a;
  --deep: #063544;
  --ocean: #087c8d;
  --seafoam: #76c7b7;
  --green: #4f9d5d;
  --sunrise: #d96f32;
  --sand: #f5efd9;
  --white: #ffffff;
  --muted: #5b6f73;
  --line: rgba(16, 36, 42, 0.14);
  --shadow: 0 22px 60px rgba(5, 40, 50, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: #fbfcf8;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 42px;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 265px;
}

.brand-mark {
  display: block;
  width: 68px;
  height: 68px;
  flex: 0 0 68px;
  background: url("assets/r4-umbrella-logo.svg?v=coral-4") center / contain no-repeat;
  color: transparent;
  font-size: 0;
  line-height: 0;
}

.brand strong {
  display: block;
  color: var(--deep);
  font-family: "Aptos Display", "Aptos", "Avenir Next", "Segoe UI", Arial, sans-serif;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 0;
  line-height: 1.1;
  white-space: nowrap;
}

.brand small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.brand-name-part {
  display: inline-block;
}

.brand-name-part.recycle,
.brand-name-part.clean {
  color: var(--green);
}

.brand-name-part.four {
  color: var(--sunrise);
}

.brand-name-part.beach,
.brand-name-part.ups {
  color: var(--ocean);
}

.nav {
  display: flex;
  justify-content: center;
  gap: 18px;
  color: #314b50;
  font-size: 14px;
  font-weight: 800;
}

.header-cta,
.button,
.contact-form button {
  border: 0;
  border-radius: 6px;
  font-weight: 900;
  cursor: pointer;
}

.header-cta {
  padding: 12px 16px;
  color: var(--white);
  background: var(--deep);
}

.hero {
  position: relative;
  min-height: 690px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(6, 53, 68, 0.92) 0%, rgba(6, 53, 68, 0.78) 34%, rgba(6, 53, 68, 0.24) 66%, rgba(6, 53, 68, 0.05) 100%);
}

.hero-copy {
  position: relative;
  max-width: 710px;
  padding: 76px 42px 88px;
  color: var(--white);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--seafoam);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 22px;
  font-size: 68px;
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-copy p:not(.eyebrow) {
  max-width: 610px;
  color: #e6f4f1;
  font-size: 20px;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  padding: 15px 18px;
}

.button.primary {
  color: var(--deep);
  background: var(--seafoam);
}

.button.secondary {
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.42);
}

.proof-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  background: var(--deep);
}

.trust-strip a {
  padding: 20px 24px;
  color: var(--white);
  border-right: 1px solid rgba(255,255,255,0.14);
}

.trust-strip strong,
.trust-strip span {
  display: block;
}

.trust-strip strong {
  color: var(--seafoam);
  font-size: 16px;
}

.trust-strip span {
  margin-top: 4px;
  color: #d8ebe8;
  font-size: 13px;
}

.proof-band a {
  padding: 28px 42px;
  background: var(--white);
}

.proof-band strong,
.proof-band span {
  display: block;
}

.proof-band strong {
  margin-bottom: 8px;
  color: var(--deep);
  font-size: 18px;
}

.proof-band span {
  color: var(--muted);
  line-height: 1.45;
}

.section {
  padding: 82px 42px;
}

.split {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(320px, 1.2fr);
  gap: 70px;
  max-width: 1180px;
  margin: 0 auto;
}

h2 {
  color: var(--deep);
  font-size: 40px;
  line-height: 1.08;
  letter-spacing: 0;
}

.body-copy {
  color: #243b40;
  font-size: 18px;
  line-height: 1.7;
}

.page-title {
  color: var(--deep);
  font-size: 52px;
  line-height: 1.02;
  letter-spacing: 0;
}

.content-image {
  margin: 0 0 24px;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  background: var(--white);
}

.content-image img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.content-image.reality {
  border-color: rgba(6, 53, 68, 0.28);
}

.inline-feature {
  margin: 28px 0;
  padding: 22px;
  border-left: 5px solid var(--ocean);
  border-radius: 8px;
  background: #f5fbf8;
}

.inline-feature .content-image {
  margin-bottom: 18px;
}

.process {
  background: var(--sand);
}

.packages {
  background: linear-gradient(180deg, #ffffff, #edf8f4);
}

.campaign-section {
  background: #ffffff;
}

.campaign-section .section-heading p:not(.eyebrow) {
  max-width: 760px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}

.campaign-brand {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 18px;
  text-align: left;
}

.campaign-brand h2 {
  margin-bottom: 5px;
}

.campaign-brand p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  font-weight: 900;
}

.sunrise-mark {
  position: relative;
  display: block;
  width: 86px;
  height: 86px;
  flex: 0 0 86px;
  border-radius: 50%;
  border: 5px solid var(--deep);
  background:
    radial-gradient(circle at 50% 52%, #f6c85f 0 22%, transparent 23%),
    linear-gradient(180deg, #f5efd9 0 48%, #087c8d 49% 58%, #76c7b7 59% 66%, #ffffff 67%);
  box-shadow: 0 12px 30px rgba(5, 40, 50, 0.16);
}

.sunrise-mark::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 19px;
  height: 8px;
  border-radius: 999px;
  background: var(--green);
}

.campaign-panel {
  display: grid;
  grid-template-columns: minmax(300px, 0.95fr) minmax(320px, 1.05fr);
  gap: 34px;
  align-items: center;
  max-width: 1180px;
  margin: 34px auto 0;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(135deg, #f5efd9, #ffffff 56%, #edf8f4);
  box-shadow: var(--shadow);
}

.campaign-panel .content-image {
  margin: 0;
}

.campaign-lines {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.campaign-lines span {
  padding: 12px 14px;
  border-left: 5px solid var(--green);
  border-radius: 6px;
  color: var(--deep);
  background: rgba(255, 255, 255, 0.72);
  font-weight: 900;
}

.package-grid {
  grid-template-columns: repeat(4, 1fr);
}

.package-grid article {
  border-top: 5px solid var(--ocean);
}

.partner-promise {
  background: #f7fbfa;
}

.light-panel {
  background: var(--white);
}

.credibility-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  padding-top: 0;
  padding-bottom: 0;
  background: var(--line);
}

.credibility-band div {
  padding: 30px 34px;
  background: var(--white);
}

.credibility-band strong,
.credibility-band span {
  display: block;
}

.credibility-band strong {
  color: var(--deep);
  font-size: 22px;
  font-weight: 900;
}

.credibility-band span {
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.45;
}

.section-heading {
  max-width: 920px;
  margin: 0 auto 34px;
  text-align: center;
}

.step-grid,
.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  max-width: 1180px;
  margin: 0 auto;
}

.step-grid article,
.card-grid article,
.impact-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.step-grid article {
  padding: 28px;
}

.step-grid span {
  display: block;
  margin-bottom: 20px;
  color: var(--green);
  font-size: 28px;
  font-weight: 900;
}

h3 {
  margin-bottom: 10px;
  color: var(--deep);
  font-size: 21px;
}

.step-grid p,
.card-grid p,
.impact-panel li {
  color: var(--muted);
  line-height: 1.55;
}

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

.card-grid article {
  padding: 30px;
}

.education-section {
  background: linear-gradient(180deg, #ffffff, #edf8f4);
}

.education-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  max-width: 1180px;
  margin: 0 auto;
}

.education-grid article {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.reality-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  max-width: 1180px;
  margin: 28px auto 0;
}

.impact {
  background: linear-gradient(135deg, var(--deep), #075666);
}

.video-section {
  background: #f5fbf8;
}

.video-grid {
  display: grid;
  grid-template-columns: minmax(320px, 1.15fr) minmax(280px, 0.85fr);
  gap: 34px;
  align-items: center;
  max-width: 1180px;
  margin: 0 auto;
}

.video-frame {
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: var(--shadow);
  background: var(--deep);
}

.video-frame img {
  display: block;
  width: 100%;
  height: auto;
}

.video-copy {
  padding: 26px;
  border-left: 5px solid var(--green);
  background: var(--white);
  box-shadow: 0 14px 36px rgba(5, 40, 50, 0.1);
}

.text-link,
.impact-links a {
  color: var(--ocean);
  font-weight: 900;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.impact-panel {
  max-width: 960px;
  margin: 0 auto;
  padding: 42px;
}

.impact-panel ul {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 30px;
  padding-left: 22px;
  margin: 22px 0 0;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 26px 0 8px;
}

.metric-grid div {
  padding: 18px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
}

.metric-grid strong,
.metric-grid span {
  display: block;
}

.metric-grid strong {
  color: var(--deep);
  font-size: 18px;
  font-weight: 900;
}

.metric-grid span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.impact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 26px;
}

.contact {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(320px, 1.1fr);
  gap: 58px;
  max-width: 1180px;
  margin: 0 auto;
}

.contact-details {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.contact-details a {
  display: grid;
  gap: 5px;
  padding: 16px 18px;
  border-left: 5px solid var(--green);
  border-radius: 6px;
  background: var(--white);
  box-shadow: 0 14px 36px rgba(5, 40, 50, 0.1);
}

.contact-details strong {
  color: var(--deep);
  font-size: 14px;
}

.contact-details span {
  color: var(--ocean);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.25;
  white-space: nowrap;
}

.contact-form {
  display: grid;
  gap: 14px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.contact-form label {
  display: grid;
  gap: 7px;
  color: var(--deep);
  font-size: 14px;
  font-weight: 900;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(16, 36, 42, 0.22);
  border-radius: 6px;
  padding: 13px 12px;
  font: inherit;
}

.contact-form button {
  padding: 15px 18px;
  color: var(--white);
  background: var(--ocean);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 28px 42px;
  color: var(--white);
  background: var(--deep);
}

.site-footer span {
  font-size: 14px;
}

.logo-lab {
  background: linear-gradient(180deg, #f7fbfa, #edf8f4);
}

.logo-lab .section-heading p:not(.eyebrow) {
  max-width: 820px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}

.logo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  max-width: 1180px;
  margin: 40px auto 0;
}

.logo-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.logo-card.preferred {
  border-color: rgba(79, 157, 93, 0.52);
}

.logo-stage {
  display: grid;
  place-items: center;
  min-height: 260px;
  margin-bottom: 18px;
  border-radius: 8px;
  background: linear-gradient(135deg, #eaf8f7, #ffffff);
}

.r4-logo {
  width: min(220px, 80%);
  height: auto;
}

.logo-card h2,
.logo-recommendation h2 {
  color: var(--deep);
}

.logo-card p,
.logo-recommendation p {
  color: var(--muted);
  line-height: 1.6;
}

.logo-recommendation {
  max-width: 900px;
  margin: 28px auto 0;
  padding: 30px;
  border-left: 5px solid var(--green);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.wave-study {
  max-width: 1180px;
  margin: 56px auto 0;
}

.wordmark-study {
  max-width: 1180px;
  margin: 56px auto 0;
}

.wordmark-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 22px;
}

.wordmark-color-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 18px;
}

.wordmark-hero-card {
  margin-top: 22px;
  padding: 34px;
  border: 1px solid rgba(79, 157, 93, 0.52);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.wordmark-hero {
  min-width: 0;
}

.wordmark-hero > span:last-child {
  min-width: max-content;
}

.wordmark-hero strong {
  color: var(--deep);
  font-family: "Aptos Display", "Aptos", "Avenir Next", "Segoe UI", Arial, sans-serif;
  font-size: 34px;
  letter-spacing: 0;
  line-height: 1;
}

.wordmark-hero small {
  font-size: 14px;
  white-space: nowrap;
}

.wordmark-card {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.wordmark-card.preferred {
  border-color: rgba(79, 157, 93, 0.52);
}

.wordmark-label {
  margin: 0 0 10px;
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.wordmark-sample {
  margin-bottom: 14px;
  color: var(--deep);
  font-size: 28px;
  font-weight: 900;
  line-height: 1.05;
}

.segmented-wordmark {
  font-size: 32px;
}

.segmented-wordmark span {
  display: inline-block;
}

.word-green {
  color: var(--green);
}

.word-blue {
  color: var(--ocean);
}

.word-sunrise {
  color: #d96f32;
}

.word-red {
  color: #c94a3a;
}

.wordmark-rounded {
  font-family: "Aptos Display", "Aptos", "Avenir Next", "Segoe UI", Arial, sans-serif;
}

.wordmark-friendly {
  font-family: "Trebuchet MS", "Segoe UI", Arial, sans-serif;
}

.wordmark-corporate {
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
}

.wordmark-soft {
  font-family: "Arial Rounded MT Bold", "Trebuchet MS", Arial, sans-serif;
}

.compact-heading {
  margin-bottom: 18px;
}

.wave-grid {
  margin-top: 22px;
}

@media (max-width: 900px) {
  .site-header,
  .nav,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    gap: 12px;
  }

  h1 {
    font-size: 48px;
  }

  .hero {
    min-height: 650px;
  }

  .proof-band,
  .trust-strip,
  .split,
  .step-grid,
  .card-grid,
  .campaign-panel,
  .package-grid,
  .credibility-band,
  .metric-grid,
  .education-grid,
  .reality-grid,
  .logo-grid,
  .wordmark-grid,
  .wordmark-color-grid,
  .impact-panel ul,
  .video-grid,
  .contact {
    grid-template-columns: 1fr;
  }
}