:root {
  --ink: #101816;
  --soft-ink: #32423c;
  --muted: #62716b;
  --green: #1d7a43;
  --green-bright: #62c572;
  --deep: #07140f;
  --moss: #dce9df;
  --mist: #f4f7f2;
  --white: #ffffff;
  --gold: #cfa852;
  --line: rgba(16, 24, 22, 0.12);
  --shadow: 0 24px 70px rgba(8, 24, 16, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--mist);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.58;
}

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

a {
  color: inherit;
}

.scroll-progress {
  position: fixed;
  inset: 0 auto auto 0;
  z-index: 80;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green-bright), var(--gold));
}

.topbar {
  position: fixed;
  top: 14px;
  left: 50%;
  z-index: 70;
  width: min(1180px, calc(100% - 28px));
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 10px 14px 10px 20px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 8px;
  box-shadow: 0 18px 50px rgba(7, 20, 15, 0.12);
  backdrop-filter: blur(18px);
  transform: translateX(-50%);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--deep);
  font-weight: 800;
  text-decoration: none;
}

.brand img {
  width: 68px;
  height: 46px;
  object-fit: contain;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
  color: var(--soft-ink);
  font-size: 14px;
  font-weight: 700;
}

.nav a {
  text-decoration: none;
}

.nav a:hover {
  color: var(--green);
}

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
}

.menu-button span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--white);
  background: var(--deep);
  padding: 122px clamp(20px, 6vw, 78px) 32px;
}

.hero-image,
.hero-shade,
.contact-bg {
  position: absolute;
  inset: 0;
}

.hero-image {
  background: url("https://greenscienceusa.com/wp-content/uploads/2024/07/IMG_5849-1-scaled.jpeg") center/cover;
  transform: scale(1.08);
  will-change: transform;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(2, 18, 13, 0.66), rgba(8, 44, 51, 0.28), rgba(83, 146, 165, 0.1)),
    linear-gradient(0deg, rgba(1, 23, 15, 0.48), rgba(91, 165, 184, 0.08) 48%),
    linear-gradient(180deg, rgba(156, 205, 221, 0.2), rgba(255, 255, 255, 0) 38%);
}

.hero-content {
  position: relative;
  max-width: 860px;
  padding-bottom: clamp(28px, 5vw, 76px);
}

.kicker {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 880px;
  margin-bottom: 22px;
  font-size: clamp(48px, 8.2vw, 106px);
  line-height: 0.92;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(32px, 5.4vw, 70px);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: clamp(22px, 2.3vw, 32px);
  line-height: 1.1;
}

.hero-copy {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(18px, 2vw, 23px);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 18px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 6px;
  font-weight: 900;
  text-decoration: none;
}

.button.primary {
  color: var(--deep);
  background: var(--green-bright);
  border-color: var(--green-bright);
}

.button.ghost {
  color: var(--white);
  background: rgba(255, 255, 255, 0.09);
}

.hero-metrics {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  width: min(980px, 100%);
  margin-left: auto;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  overflow: hidden;
}

.hero-metrics article {
  min-height: 142px;
  padding: 24px;
  background: rgba(5, 22, 15, 0.58);
  backdrop-filter: blur(14px);
}

.hero-metrics strong {
  display: block;
  font-size: clamp(36px, 5vw, 58px);
  line-height: 1;
}

.hero-metrics span {
  display: block;
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.75);
}

.solutions-section,
.mission-section,
.image-story,
.tech-section,
.team-section,
.partner-section {
  padding: clamp(72px, 10vw, 132px) clamp(18px, 5vw, 72px);
}

.section-head {
  max-width: 860px;
  margin-bottom: clamp(30px, 4vw, 54px);
}

.section-head h2 {
  color: var(--deep);
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(150px, 1fr));
  gap: 12px;
}

.solution-card {
  position: relative;
  min-height: 310px;
  overflow: hidden;
  border-radius: 8px;
  background: var(--deep);
  box-shadow: var(--shadow);
}

.solution-card img {
  width: 100%;
  height: 100%;
  min-height: 310px;
  object-fit: cover;
  opacity: 0.78;
  transform: scale(1.04);
  transition: transform 550ms ease, opacity 550ms ease;
}

.solution-card:hover img {
  opacity: 0.98;
  transform: scale(1.1);
}

.solution-card div {
  position: absolute;
  inset: auto 0 0;
  padding: 20px;
  color: var(--white);
  background: linear-gradient(0deg, rgba(2, 13, 9, 0.88), rgba(2, 13, 9, 0));
}

.solution-card span {
  color: var(--green-bright);
  font-weight: 900;
}

.solution-card h3 {
  margin: 8px 0 0;
  font-size: 21px;
}

.mission-section {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(28px, 5vw, 76px);
  background: var(--white);
}

.mission-copy {
  color: var(--soft-ink);
  font-size: 20px;
}

.mission-tiles {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.mission-tiles article {
  min-height: 250px;
  padding: clamp(28px, 5vw, 58px);
  color: var(--white);
  background: linear-gradient(135deg, #0b2a1d, #17452f);
  border-radius: 8px;
}

.mission-tiles p {
  max-width: 680px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 19px;
}

.image-story {
  background: #edf4ee;
}

.story-frame,
.plant-feature {
  max-width: 1240px;
  margin: 0 auto clamp(26px, 5vw, 62px);
}

.story-frame img,
.plant-feature img {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 28px 80px rgba(9, 31, 21, 0.18);
}

.story-frame.wide {
  max-width: 1320px;
}

.plant-feature {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  background: var(--deep);
  box-shadow: 0 28px 80px rgba(9, 31, 21, 0.18);
}

.plant-feature img {
  border-radius: 0;
  box-shadow: none;
}

.plant-caption {
  position: absolute;
  right: clamp(18px, 4vw, 56px);
  bottom: clamp(18px, 4vw, 56px);
  max-width: 440px;
  padding: 26px;
  color: var(--white);
  background: rgba(5, 20, 14, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  backdrop-filter: blur(12px);
}

.plant-caption p:last-child {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.8);
}

.dark-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.82fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  padding: clamp(72px, 10vw, 128px) clamp(18px, 5vw, 72px);
  color: var(--white);
  background: var(--deep);
}

.dark-copy p {
  color: rgba(255, 255, 255, 0.76);
  font-size: 20px;
}

.dark-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
}

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

.tech-card,
.person-card,
.founder-card,
.partner-card,
.about-section {
  background: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.tech-card {
  overflow: hidden;
}

.tech-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.tech-card h3,
.tech-card p {
  padding-inline: 22px;
}

.tech-card h3 {
  padding-top: 22px;
}

.tech-card p {
  padding-bottom: 22px;
  color: var(--muted);
}

.team-section {
  background: #eef3ee;
}

.founder-card {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: clamp(22px, 4vw, 48px);
  max-width: 1160px;
  padding: clamp(24px, 5vw, 54px);
  margin-bottom: 22px;
}

.founder-card img,
.person-card img {
  width: 132px;
  height: 132px;
  object-fit: cover;
  border-radius: 50%;
  border: 1px solid var(--line);
}

.founder-card p,
.person-card li,
.person-card p {
  color: var(--soft-ink);
}

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

.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.link-row a,
.person-card a {
  color: var(--green);
  font-weight: 800;
  text-decoration: none;
  overflow-wrap: anywhere;
}

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

.person-card {
  padding: 28px;
}

.person-card img {
  margin-bottom: 22px;
}

.person-card ul {
  padding-left: 20px;
}

.person-card a {
  display: block;
  margin-top: 8px;
}

.about-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  margin: clamp(72px, 10vw, 132px) clamp(18px, 5vw, 72px);
  padding: clamp(28px, 5vw, 58px);
}

.about-section p {
  color: var(--soft-ink);
  font-size: 19px;
}

.about-section img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
}

.partner-section {
  background: #f4f1e8;
}

.partner-card {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 28px;
  align-items: center;
  max-width: 920px;
  padding: 22px;
}

.partner-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
}

.contact-section {
  position: relative;
  min-height: 620px;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--white);
  background: var(--deep);
  padding: clamp(72px, 10vw, 128px) clamp(18px, 5vw, 72px);
}

.contact-bg {
  background:
    linear-gradient(90deg, rgba(2, 13, 9, 0.9), rgba(2, 13, 9, 0.62), rgba(2, 13, 9, 0.2)),
    url("https://greenscienceusa.com/wp-content/uploads/2024/07/Taeback-Plant-sysmbol-1-scaled-e1724962294152-2048x1239.jpg") center/cover;
  transform: scale(1.08);
}

.contact-content {
  position: relative;
  max-width: 820px;
}

.contact-content p {
  color: rgba(255, 255, 255, 0.78);
  font-size: 20px;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.contact-links a,
.contact-links span {
  padding: 14px 16px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  text-decoration: none;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 26px clamp(18px, 5vw, 72px);
  color: rgba(255, 255, 255, 0.72);
  background: #050d0a;
}

.footer p {
  margin: 0;
}

.footer a {
  text-decoration: none;
}

.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 780ms ease, transform 780ms ease;
  transition-delay: var(--delay, 0ms);
}

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

@media (max-width: 1180px) {
  .solution-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .tech-grid,
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 820px) {
  .topbar {
    top: 0;
    width: 100%;
    border-radius: 0;
  }

  .menu-button {
    display: block;
  }

  .nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 66px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 20px 18px;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--line);
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    padding: 12px 0;
  }

  .hero {
    min-height: 760px;
    padding-top: 106px;
  }

  .hero-metrics,
  .mission-section,
  .mission-tiles,
  .dark-band,
  .tech-grid,
  .team-grid,
  .founder-card,
  .about-section,
  .partner-card {
    grid-template-columns: 1fr;
  }

  .solution-grid {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 10px;
    scroll-snap-type: x mandatory;
  }

  .solution-card {
    min-width: 76vw;
    scroll-snap-align: start;
  }

  .plant-caption {
    position: static;
    max-width: none;
    border-radius: 0;
  }

  .founder-card img,
  .person-card img {
    width: 118px;
    height: 118px;
  }

  .footer {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

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