:root {
  --ink: #18251b;
  --muted: #647067;
  --leaf: #1f6b45;
  --leaf-dark: #0f3f2a;
  --accent: #c78b3a;
  --sky: #dbe9ef;
  --cream: #f7f3e8;
  --paper: #fffdf7;
  --line: rgba(24, 37, 27, 0.14);
  --shadow: 0 24px 70px rgba(23, 46, 31, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Be Vietnam Pro", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
}

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

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

.site-header {
  position: fixed;
  inset: 18px 24px auto;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 10px 18px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  background: rgba(14, 36, 24, 0.72);
  color: #fff;
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.18);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 20px;
  min-width: 0;
}

.brand-mark {
  position: relative;
  flex: 0 0 96px;
  width: 96px;
  height: 106px;
  overflow: hidden;
  border-radius: 16px;
  background: #f8f6ef;
  box-shadow: inset 0 0 0 1px rgba(240, 210, 142, 0.5);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.05;
}

.brand strong {
  font-size: 38px;
}

.brand small {
  margin-top: 7px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 20px;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 13px;
  font-weight: 500;
}

.desktop-nav a:hover {
  color: #fff;
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 700;
  white-space: nowrap;
}

.header-cta {
  background: #fff;
  color: var(--leaf-dark);
  font-size: 13px;
}

.button.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--leaf), var(--leaf-dark));
  box-shadow: 0 18px 34px rgba(31, 107, 69, 0.26);
}

.button.ghost {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.08);
}

.hero {
  position: relative;
  min-height: 96vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: #12331f;
}

.hero-media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(8, 25, 16, 0.86), rgba(8, 25, 16, 0.46) 48%, rgba(8, 25, 16, 0.12)),
    url("./vuon-sam-ngoc-linh-nam-tra-my.avif") center 46% / cover;
  transform: scale(1.03);
}

.hero-shade {
  position: absolute;
  inset: auto 0 0;
  height: 38%;
  background: linear-gradient(0deg, rgba(7, 19, 12, 0.88), transparent);
}

.hero-credit {
  position: absolute;
  right: 24px;
  bottom: 14px;
  z-index: 2;
  color: rgba(255, 255, 255, 0.7);
  font-size: 10px;
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 150px 0 42px;
  color: #fff;
}

.eyebrow,
.section-kicker {
  margin: 0 0 16px;
  color: #f0d28e;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow.dark,
.section-kicker {
  color: var(--leaf);
}

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

h1 {
  width: max-content;
  max-width: 100%;
  margin-bottom: 22px;
  font-size: clamp(38.4px, 6.4vw, 83.2px);
  line-height: 0.95;
  letter-spacing: 0;
}

h1 span {
  display: block;
  white-space: nowrap;
}

h2 {
  font-size: clamp(32px, 5vw, 62px);
  line-height: 1.03;
  letter-spacing: 0;
}

h3 {
  font-size: 22px;
  line-height: 1.18;
}

.hero-copy {
  max-width: 680px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 18px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 32px 0;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: min(980px, 100%);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 18px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(14px);
}

.trust-strip span {
  padding: 18px;
  border-right: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 13px;
  font-weight: 700;
}

.trust-strip span:last-child {
  border-right: 0;
}

.section {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 92px 0;
}

.intro-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 72px;
  align-items: start;
}

.intro-copy {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.85;
}

.pain {
  width: 100%;
  padding-left: max(24px, calc((100% - 1180px) / 2));
  padding-right: max(24px, calc((100% - 1180px) / 2));
  background: linear-gradient(180deg, var(--cream), #fff);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 44px;
}

.section-heading p:not(.eyebrow) {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.compact {
  max-width: 680px;
}

.pain-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 36px;
  align-items: stretch;
}

.pain-image,
.crop-media {
  min-height: 520px;
  border-radius: 28px;
  background: url("https://images.unsplash.com/photo-1556762163-542910c8765d?q=90&w=1600&auto=format&fit=crop") center / cover;
  box-shadow: var(--shadow);
}

.pain-list {
  display: grid;
  gap: 16px;
}

.pain-list article,
.pillar,
.product-card,
.partner-grid article,
.lab-card {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 16px 42px rgba(20, 46, 28, 0.08);
}

.pain-list article {
  padding: 30px;
}

.pain-list span,
.tag {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.pain-list p,
.pillar p,
.product-card p,
.partner-grid p,
.soil-card p,
.global-card p,
.consult-copy p {
  color: var(--muted);
  line-height: 1.7;
}

.solution {
  width: min(1180px, calc(100% - 48px));
}

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

.pillar {
  padding: 34px;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.pillar:hover,
.product-card:hover,
.partner-grid article:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin-bottom: 28px;
  border-radius: 16px;
  color: #fff;
  background: var(--leaf);
  font-weight: 800;
}

.crop {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr minmax(420px, 590px);
  gap: 48px;
  align-items: center;
  padding-left: max(24px, calc((100% - 1180px) / 2));
  padding-right: max(24px, calc((100% - 1180px) / 2));
  background: #153b28;
  color: #fff;
}

.crop-media {
  background-image: url("https://images.unsplash.com/photo-1697897400733-46e12551a012?q=90&w=1800&auto=format&fit=crop");
}

.crop-content h2 {
  color: #fff;
}

.crop-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0;
}

.crop-tab {
  min-height: 42px;
  padding: 0 15px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.82);
  background: rgba(255, 255, 255, 0.08);
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.crop-tab.active {
  color: var(--leaf-dark);
  background: #f0d28e;
}

.crop-panel {
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.09);
}

.crop-panel p {
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.75;
}

.science {
  background: var(--paper);
}

.science-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.soil-card {
  min-height: 360px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 34px;
  border-radius: 28px;
  color: #fff;
  overflow: hidden;
}

.soil-card span {
  margin-bottom: 12px;
  color: #f0d28e;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.soil-card h3,
.soil-card p {
  position: relative;
  z-index: 1;
}

.soil-card p {
  color: rgba(255, 255, 255, 0.76);
}

.healthy {
  background:
    linear-gradient(0deg, rgba(12, 38, 22, 0.88), rgba(12, 38, 22, 0.12)),
    url("https://images.unsplash.com/photo-1523741543316-beb7fc7023d8?q=90&w=1400&auto=format&fit=crop") center / cover;
}

.tired {
  background:
    linear-gradient(0deg, rgba(48, 36, 20, 0.86), rgba(48, 36, 20, 0.16)),
    url("https://images.unsplash.com/photo-1464226184884-fa280b87c399?q=90&w=1400&auto=format&fit=crop") center / cover;
}

.lab-card {
  grid-column: 1 / -1;
  padding: 34px;
  background: linear-gradient(135deg, #eaf3f5, #fff);
}

.lab-card ul,
.product-card ul {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.6;
}

.products {
  width: 100%;
  padding-left: max(24px, calc((100% - 1180px) / 2));
  padding-right: max(24px, calc((100% - 1180px) / 2));
  background: linear-gradient(180deg, #fff, var(--cream));
}

.product-card {
  min-height: 360px;
  padding: 34px;
}

.product-card.flagship {
  background: linear-gradient(150deg, #173f2c, #23573d);
  color: #fff;
}

.product-card.flagship p,
.product-card.flagship li {
  color: rgba(255, 255, 255, 0.76);
}

.product-card a {
  display: inline-flex;
  margin-top: 24px;
  color: var(--leaf);
  font-weight: 800;
}

.product-card.flagship a {
  color: #f0d28e;
}

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

figure {
  margin: 0;
  border-radius: 24px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 18px 54px rgba(23, 46, 31, 0.12);
}

figure img {
  width: 100%;
  height: 310px;
  object-fit: cover;
}

figcaption {
  padding: 18px;
  color: var(--muted);
  line-height: 1.55;
  font-size: 14px;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.metric-row div {
  padding: 28px;
  border-radius: 22px;
  background: #f0f6ee;
}

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

.metric-row strong {
  color: var(--leaf-dark);
  font-size: 30px;
}

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

.global {
  width: 100%;
  min-height: 600px;
  display: grid;
  place-items: center;
  padding-left: 24px;
  padding-right: 24px;
  background:
    linear-gradient(90deg, rgba(12, 32, 20, 0.88), rgba(12, 32, 20, 0.48)),
    url("https://images.unsplash.com/photo-1461354464878-ad92f492a5a0?q=90&w=2200&auto=format&fit=crop") center / cover;
}

.global-card {
  width: min(820px, 100%);
  margin-right: min(16vw, 220px);
  padding: 52px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 28px;
  color: #fff;
  background: rgba(13, 37, 24, 0.54);
  backdrop-filter: blur(16px);
}

.global-card p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.78);
  font-size: 17px;
}

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

.consult {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(300px, 480px) minmax(360px, 680px);
  gap: 52px;
  align-items: start;
  padding-left: max(24px, calc((100% - 1180px) / 2));
  padding-right: max(24px, calc((100% - 1180px) / 2));
  background: #173f2c;
  color: #fff;
}

.lead-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 28px;
  border-radius: 28px;
  background: #fffdf7;
  color: var(--ink);
  box-shadow: var(--shadow);
}

.lead-form label {
  display: grid;
  gap: 8px;
  color: #34453a;
  font-size: 13px;
  font-weight: 800;
}

.lead-form .wide {
  grid-column: 1 / -1;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(24, 37, 27, 0.18);
  border-radius: 14px;
  padding: 13px 14px;
  background: #fff;
  color: #18251b;
  font: inherit;
  font-size: 15px;
}

textarea {
  resize: vertical;
}

.form-button {
  grid-column: 1 / -1;
  border: 0;
  cursor: pointer;
  font: inherit;
}

.form-status {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--leaf);
  font-weight: 700;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px max(24px, calc((100% - 1180px) / 2));
  color: #dfe9e2;
  background: #0b2014;
}

.footer p {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.62);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-brand img {
  width: 96px;
  height: 106px;
  border-radius: 16px;
  object-fit: contain;
  background: #f8f6ef;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  justify-content: flex-end;
  gap: 18px;
  color: rgba(255, 255, 255, 0.76);
}

@media (max-width: 980px) {
  .desktop-nav {
    display: none;
  }

  .site-header {
    inset: 12px 12px auto;
    padding: 8px 14px;
  }

  .brand {
    gap: 14px;
  }

  .brand-mark {
    flex-basis: 78px;
    width: 78px;
    height: 86px;
  }

  .brand strong {
    font-size: 30px;
  }

  .brand small {
    margin-top: 5px;
    font-size: 15px;
  }

  .hero-content,
  .section {
    width: min(100% - 32px, 1180px);
  }

  .trust-strip,
  .intro-grid,
  .pain-layout,
  .crop,
  .science-grid,
  .product-grid,
  .proof-grid,
  .partner-grid,
  .consult {
    grid-template-columns: 1fr;
  }

  .crop,
  .pain,
  .products,
  .consult {
    padding-left: 16px;
    padding-right: 16px;
  }

  .trust-strip span {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  }

  .pain-image,
  .crop-media {
    min-height: 360px;
  }

  .metric-row {
    grid-template-columns: 1fr;
  }

  .global-card {
    margin-right: 0;
    padding: 34px;
  }
}

@media (max-width: 640px) {
  .header-cta {
    display: none;
  }

  .brand {
    min-width: 0;
    gap: 10px;
  }

  .brand-mark {
    flex-basis: 62px;
    width: 62px;
    height: 68px;
    border-radius: 10px;
  }

  .brand strong {
    font-size: 24px;
  }

  .brand small {
    max-width: 220px;
    margin-top: 4px;
    font-size: 12px;
    white-space: normal;
  }

  .hero {
    min-height: 100vh;
  }

  h1 {
    font-size: clamp(29px, 9.6vw, 37.6px);
  }

  h2 {
    font-size: 34px;
  }

  .hero-copy {
    font-size: 16px;
  }

  .lead-form {
    grid-template-columns: 1fr;
    padding: 20px;
  }

  .lead-form .wide,
  .form-button,
  .form-status {
    grid-column: auto;
  }

  .footer {
    flex-direction: column;
  }

  .footer-brand {
    align-items: flex-start;
  }

  .footer-brand img {
    width: 76px;
    height: 84px;
  }

  .footer-links {
    justify-content: flex-start;
  }
}
