:root {
  --bg: #738f74;
  --bg-deep: #3f6846;
  --card: rgba(230, 236, 228, 0.68);
  --card-strong: rgba(238, 242, 233, 0.78);
  --line: rgba(91, 110, 64, 0.18);
  --line-strong: rgba(91, 110, 64, 0.36);
  --text: #44513d;
  --text-strong: #2f3d2b;
  --muted: rgba(68, 81, 61, 0.84);
  --accent: #cfaf64;
  --accent-dark: #5f7146;
  --green-soft: #c5dab3;
  --shadow: 0 26px 80px rgba(35, 49, 26, 0.26);
  --font-sans: "Inter", "Be Vietnam Pro", "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

html {
  font-size: 10px;
  -webkit-text-size-adjust: 100%;
}

html,
body {
  min-height: 100%;
  overflow-x: hidden;
}

body,
button,
input,
textarea,
select {
  font-family: var(--font-sans);
}

body {
  margin: 0;
  color: var(--text);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background:
          radial-gradient(circle at 12% 8%, rgba(241, 210, 126, 0.6), transparent 18%),
          radial-gradient(circle at 50% 16%, rgba(220, 235, 208, 0.7), transparent 24%),
          radial-gradient(circle at 85% 18%, rgba(183, 228, 217, 0.42), transparent 20%),
          linear-gradient(135deg, #d5d9cf 0%, #91a892 46%, #1d573d 100%);
}

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

.intro-page {
  position: relative;
  min-height: 100vh;
  padding: 3.2rem 2rem 4rem;
}

.bg-blur {
  position: absolute;
  inset: auto;
  border-radius: 50%;
  filter: blur(70px);
  opacity: .55;
  pointer-events: none;
}

.bg-blur--one {
  width: 42rem;
  height: 42rem;
  background: rgba(249, 216, 140, 0.36);
  top: -10rem;
  left: -10rem;
}

.bg-blur--two {
  width: 44rem;
  height: 44rem;
  background: rgba(123, 187, 143, 0.34);
  right: -12rem;
  bottom: 2rem;
}

.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
          linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
          linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 36px 36px;
  opacity: .12;
  pointer-events: none;
}

.hero-shell,
.feature-shell,
.contact-shell {
  position: relative;
  z-index: 2;
}

.hero-shell {
  width: min(100%, 1400px);
  margin: 0 auto;
}

.hero-card {
  position: relative;
  overflow: hidden;
  min-height: 78rem;
  border-radius: 3.2rem;
  padding: 4rem 4rem 0;
  background: linear-gradient(180deg, rgba(229, 235, 229, 0.72) 0%, rgba(216, 223, 213, 0.62) 100%);
  border: 1px solid rgba(255, 255, 255, 0.35);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
          radial-gradient(circle at 18% 62%, rgba(255,255,255,.25), transparent 24%),
          radial-gradient(circle at 58% 62%, rgba(185, 214, 178, .3), transparent 24%),
          radial-gradient(circle at 70% 74%, rgba(255, 220, 163, .18), transparent 18%);
  pointer-events: none;
}

.hero-sun {
  position: absolute;
  top: 0;
  left: 0;
  width: 27rem;
  height: 27rem;
  pointer-events: none;
}

.hero-sun__core {
  position: absolute;
  top: -3.6rem;
  left: -3.6rem;
  width: 16rem;
  height: 16rem;
  border: .9rem solid rgba(245, 225, 170, .9);
  border-radius: 50%;
}

.ray {
  position: absolute;
  left: 10rem;
  top: 10rem;
  width: .5rem;
  height: 8.8rem;
  border-radius: 999px;
  background: rgba(245, 225, 170, .9);
  transform-origin: center -3rem;
}

.ray-1 { transform: rotate(18deg) translateY(-7rem); }
.ray-2 { transform: rotate(34deg) translateY(-6rem); }
.ray-3 { transform: rotate(52deg) translateY(-5rem); }
.ray-4 { transform: rotate(68deg) translateY(-4rem); }
.ray-5 { transform: rotate(84deg) translateY(-2rem); }
.ray-6 { transform: rotate(100deg) translateY(0); }
.ray-7 { transform: rotate(116deg) translateY(2rem); }
.ray-8 { transform: rotate(132deg) translateY(4rem); }
.ray-9 { transform: rotate(148deg) translateY(7rem); }

.hero-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.8rem;
  margin-top: 2rem;
  margin-bottom: 3rem;
  text-align: left;
}

.brand-logo {
  display: block;
  width: auto;
  height: 5.6rem;
  max-width: 22rem;
  object-fit: contain;
  filter: drop-shadow(0 8px 18px rgba(54, 71, 39, .12));
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}

.brand-name {
  font-size: 3.6rem;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -.04rem;
  color: var(--text-strong);
}

.brand-subtitle {
  font-size: 1.28rem;
  font-weight: 700;
  letter-spacing: .14rem;
  text-transform: uppercase;
  color: rgba(77, 85, 63, 0.88);
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 3.2rem;
  align-items: start;
}

.hero-copy {
  padding: 2rem 1rem 2rem 0;
  text-align: center;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .8rem;
  padding: 1.1rem 1.8rem;
  border-radius: 999px;
  border: 1px solid rgba(91, 110, 64, .18);
  background: rgba(255,255,255,.24);
  color: rgba(77, 85, 63, .92);
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: .16rem;
  text-transform: uppercase;
}

.hero-copy h1 {
  margin: 2.4rem auto 0;
  max-width: 78rem;
  font-size: clamp(4.6rem, 5.2vw, 7.4rem);
  line-height: 1.05;
  letter-spacing: -.16rem;
  font-weight: 800;
  color: var(--text-strong);
}

.hero-copy h1 span {
  color: var(--accent-dark);
}

.hero-description {
  max-width: 76rem;
  margin: 2.4rem auto 0;
  font-size: 1.95rem;
  line-height: 1.85;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.4rem;
  margin-top: 3.2rem;
  flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 5.8rem;
  padding: 0 2.8rem;
  border-radius: 999px;
  font-size: 1.45rem;
  font-weight: 700;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}

.btn-primary {
  background: #e5bf70;
  color: #3f4b36;
  box-shadow: 0 12px 30px rgba(201, 159, 72, .22);
}

.btn-secondary {
  background: rgba(255,255,255,.36);
  border: 1px solid rgba(91, 110, 64, .18);
  color: #536043;
}

.btn-primary:hover,
.btn-secondary:hover {
  transform: translateY(-2px);
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 2.8rem;
}

.hero-pills span {
  display: inline-flex;
  align-items: center;
  min-height: 4.4rem;
  padding: 0 1.6rem;
  border-radius: 999px;
  background: rgba(255,255,255,.22);
  border: 1px solid rgba(91, 110, 64, .13);
  font-size: 1.34rem;
  font-weight: 600;
  color: #546148;
}

.coming-note {
  max-width: 68rem;
  margin: 3rem auto 0;
  padding: 2rem 2.2rem;
  border-radius: 2.2rem;
  background: rgba(255,255,255,.28);
  border: 1px solid rgba(91, 110, 64, .14);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.35);
}

.coming-note strong {
  display: block;
  font-size: 2.1rem;
  font-weight: 800;
  color: #3f4d36;
}

.coming-note p {
  margin: 1rem 0 0;
  font-size: 1.6rem;
  line-height: 1.8;
  color: rgba(77, 85, 63, .84);
}

.hero-visual {
  display: grid;
  gap: 1.8rem;
}

.visual-panel {
  position: relative;
  overflow: hidden;
  border-radius: 2.6rem;
  background: linear-gradient(180deg, rgba(246, 248, 240, .54), rgba(235, 238, 229, .42));
  border: 1px solid rgba(91, 110, 64, .14);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.45);
}

.visual-panel--device {
  padding: 2rem 2rem 1.6rem;
}

.visual-panel--ai {
  padding: 2rem;
}

.visual-label {
  display: inline-flex;
  align-items: center;
  min-height: 3.6rem;
  padding: 0 1.3rem;
  border-radius: 999px;
  background: rgba(255,255,255,.42);
  border: 1px solid rgba(91, 110, 64, .15);
  color: #59653d;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: .08rem;
  text-transform: uppercase;
}

.visual-svg {
  display: block;
  width: 100%;
  height: auto;
}

.mini-stats {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
}

.mini-stats span {
  display: inline-flex;
  align-items: center;
  min-height: 3.8rem;
  padding: 0 1.2rem;
  border-radius: 999px;
  background: rgba(91, 110, 64, .08);
  color: #5c6a46;
  font-size: 1.22rem;
  font-weight: 700;
}

.ai-copy {
  margin-top: 1rem;
  font-size: 1.55rem;
  line-height: 1.8;
  color: rgba(77, 85, 63, .84);
}

.ecosystem-strip {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.6rem;
  margin-top: 3.2rem;
}

.ecosystem-card {
  padding: 2rem 2rem 2.2rem;
  border-radius: 2.2rem;
  background: rgba(251, 252, 248, .34);
  border: 1px solid rgba(91, 110, 64, .15);
  transition: transform .2s ease, box-shadow .2s ease;
}

.ecosystem-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(48, 63, 36, .08);
}

.ecosystem-card strong {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background: rgba(207, 175, 100, .24);
  color: #5a6444;
  font-size: 1.3rem;
  font-weight: 800;
}

.ecosystem-card h3 {
  margin: 1.4rem 0 .8rem;
  font-size: 2rem;
  font-weight: 800;
  color: #3f4d36;
}

.ecosystem-card p {
  margin: 0;
  font-size: 1.5rem;
  line-height: 1.8;
  color: rgba(77, 85, 63, .82);
}

.landscape {
  position: relative;
  margin-top: 2.4rem;
  height: 26rem;
}

.landscape > svg {
  position: absolute;
  inset: auto 0 0;
  width: 100%;
  height: 100%;
}

.tree,
.sensor-node,
.signal,
.grass {
  position: absolute;
  bottom: 0;
}

.tree {
  width: 4rem;
  height: 16rem;
}

.tree::before,
.tree::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.tree::before {
  bottom: 2.2rem;
  width: 0;
  height: 0;
  border-left: 2rem solid transparent;
  border-right: 2rem solid transparent;
  border-bottom: 7.4rem solid #5d6545;
}

.tree::after {
  bottom: 0;
  width: .7rem;
  height: 3.2rem;
  background: #5d6545;
  border-radius: 999px;
}

.tree--left.tree-1 { left: 6.5rem; height: 14rem; }
.tree--left.tree-2 { left: 12rem; height: 12rem; transform: scale(.8); }
.tree--left.tree-3 { left: 17rem; height: 15rem; transform: scale(1.05); }
.tree--right.tree-4 { right: 20rem; height: 13rem; transform: scale(.85); }
.tree--right.tree-5 { right: 13rem; height: 17rem; transform: scale(1.1); }
.tree--right.tree-6 { right: 7rem; height: 15rem; transform: scale(.95); }

.sensor-node {
  width: 2rem;
  background: #5d6545;
  border-radius: 999px;
}

.sensor-node::before,
.sensor-node::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 50%;
}

.sensor-node::before {
  top: -2.2rem;
  width: 3rem;
  height: 3rem;
  background: #d5b067;
  box-shadow: 0 0 0 .5rem rgba(213, 176, 103, .18);
}

.sensor-node::after {
  top: .8rem;
  width: .55rem;
  height: 2rem;
  background: rgba(255,255,255,.6);
}

.sensor-node--left {
  left: 33%;
  height: 7rem;
}

.sensor-node--center {
  left: 51%;
  height: 8.4rem;
}

.sensor-node--right {
  right: 28%;
  height: 6.8rem;
}

.signal {
  width: 8rem;
  height: 8rem;
  border: .35rem solid rgba(213, 176, 103, .48);
  border-color: rgba(213, 176, 103, .48) transparent transparent transparent;
  border-radius: 50%;
  transform: rotate(18deg);
}

.signal::before,
.signal::after {
  content: "";
  position: absolute;
  inset: .9rem;
  border: .3rem solid rgba(213, 176, 103, .38);
  border-color: rgba(213, 176, 103, .38) transparent transparent transparent;
  border-radius: 50%;
}

.signal::after {
  inset: 1.8rem;
}

.signal--left { left: calc(33% - 3rem); bottom: 7rem; }
.signal--center { left: calc(51% - 3rem); bottom: 8.4rem; }
.signal--right { right: calc(28% - 3rem); bottom: 6.8rem; }

.grass {
  width: 20rem;
  height: 8rem;
}

.grass::before,
.grass::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 8rem;
  background: #d5b067;
  clip-path: polygon(0 100%, 8% 54%, 13% 76%, 20% 30%, 28% 70%, 36% 34%, 44% 78%, 52% 24%, 60% 68%, 70% 35%, 78% 78%, 88% 42%, 100% 100%);
  border-radius: 2rem 2rem 0 0;
}

.grass::after {
  background: transparent;
  border-top: .6rem solid #5d6545;
  border-left: .6rem solid #5d6545;
  border-right: .6rem solid #5d6545;
  clip-path: polygon(0 100%, 8% 54%, 13% 76%, 20% 30%, 28% 70%, 36% 34%, 44% 78%, 52% 24%, 60% 68%, 70% 35%, 78% 78%, 88% 42%, 100% 100%);
}

.grass--one { left: -1rem; }
.grass--two { left: 34%; transform: scale(1.06); }
.grass--three { right: -1rem; }

.feature-shell {
  width: min(100%, 1280px);
  margin: 2.4rem auto 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
  margin-top: 1.8rem;
}

.feature-card {
  border-radius: 2.8rem;
  padding: 2.4rem;
  background: linear-gradient(180deg, rgba(239, 243, 236, .82) 0%, rgba(223, 229, 220, .7) 100%);
  border: 1px solid rgba(255,255,255,.35);
  box-shadow: 0 16px 42px rgba(41, 60, 31, .12);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.feature-card--intro {
  padding: 2.8rem;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  min-height: 3.8rem;
  padding: 0 1.4rem;
  border-radius: 999px;
  background: rgba(255,255,255,.4);
  border: 1px solid rgba(91, 110, 64, .14);
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: .14rem;
  text-transform: uppercase;
  color: #63704f;
}

.feature-card h2 {
  margin: 1.5rem 0 0;
  font-size: clamp(2.8rem, 3.4vw, 4.4rem);
  line-height: 1.15;
  font-weight: 800;
  color: #33412e;
}

.feature-card--intro p {
  margin: 1.4rem 0 0;
  max-width: 78rem;
  font-size: 1.7rem;
  line-height: 1.9;
  color: rgba(77, 85, 63, .84);
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 4.8rem;
  height: 4.8rem;
  border-radius: 50%;
  background: rgba(207, 175, 100, .2);
  color: #59653d;
  font-size: 1.35rem;
  font-weight: 800;
}

.feature-card h3 {
  margin: 1.6rem 0 .8rem;
  font-size: 2rem;
  line-height: 1.35;
  font-weight: 800;
  color: #3f4d36;
}

.feature-card p {
  margin: 0;
  font-size: 1.52rem;
  line-height: 1.8;
  color: rgba(77, 85, 63, .84);
}

.feature-card ul {
  margin: 1.6rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .8rem;
}

.feature-card li {
  position: relative;
  padding-left: 1.8rem;
  font-size: 1.36rem;
  line-height: 1.7;
  color: #536043;
}

.feature-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .75rem;
  width: .8rem;
  height: .8rem;
  border-radius: 50%;
  background: #caa55a;
}

.contact-shell {
  width: min(100%, 1200px);
  margin: 2.4rem auto 0;
}

.contact-card {
  border-radius: 3rem;
  padding: 3rem;
  background: linear-gradient(180deg, rgba(233, 238, 231, .72) 0%, rgba(223, 228, 220, .62) 100%);
  border: 1px solid rgba(255,255,255,.32);
  box-shadow: 0 18px 50px rgba(41, 60, 31, .18);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.contact-heading span {
  display: inline-flex;
  align-items: center;
  min-height: 3.8rem;
  padding: 0 1.4rem;
  border-radius: 999px;
  background: rgba(255,255,255,.35);
  border: 1px solid rgba(91, 110, 64, .14);
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: .16rem;
  text-transform: uppercase;
  color: #63704f;
}

.contact-heading h2 {
  margin: 1.5rem 0 0;
  font-size: clamp(2.8rem, 3.4vw, 4.4rem);
  line-height: 1.18;
  font-weight: 800;
  color: #33412e;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.6rem;
  margin-top: 2.4rem;
}

.contact-item {
  display: flex;
  gap: 1.6rem;
  align-items: flex-start;
  padding: 2rem;
  border-radius: 2.2rem;
  background: rgba(255,255,255,.3);
  border: 1px solid rgba(91, 110, 64, .12);
}

.contact-item__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 4.4rem;
  height: 4.4rem;
  border-radius: 50%;
  background: rgba(207, 175, 100, .24);
  color: #59653d;
  font-size: 1.35rem;
  font-weight: 800;
  flex: 0 0 auto;
}

.contact-item h3 {
  margin: 0 0 .8rem;
  font-size: 2rem;
  font-weight: 800;
  color: #3f4d36;
}

.contact-item p {
  margin: 0;
  font-size: 1.62rem;
  line-height: 1.8;
  color: rgba(77, 85, 63, .86);
}

@media (max-width: 1180px) {
  .hero-layout {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    padding-right: 0;
  }

  .hero-visual {
    grid-template-columns: 1fr 1fr;
  }

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

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

@media (max-width: 900px) {
  .intro-page {
    padding: 1.6rem 1.2rem 2.6rem;
  }

  .hero-card {
    padding: 2.2rem 1.6rem 0;
    min-height: auto;
    border-radius: 2.4rem;
  }

  .hero-brand {
    margin-top: 4.4rem;
    align-items: center;
    flex-direction: column;
    text-align: center;
  }

  .brand-logo {
    height: 4.8rem;
  }

  .brand-name {
    font-size: 2.8rem;
  }

  .hero-copy h1 {
    font-size: clamp(4rem, 10vw, 5.8rem);
    letter-spacing: -.08rem;
  }

  .hero-description {
    font-size: 1.72rem;
  }

  .hero-visual,
  .feature-grid,
  .ecosystem-strip,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .landscape {
    height: 22rem;
  }

  .tree--left.tree-2,
  .tree--right.tree-4 {
    display: none;
  }
}

@media (max-width: 640px) {
  html {
    font-size: 9px;
  }

  .hero-sun {
    width: 18rem;
    height: 18rem;
  }

  .hero-sun__core {
    width: 11rem;
    height: 11rem;
    top: -3rem;
    left: -3rem;
  }

  .ray {
    left: 7rem;
    top: 7rem;
    height: 6rem;
  }

  .brand-subtitle {
    letter-spacing: .06rem;
    font-size: 1.12rem;
  }

  .hero-kicker {
    font-size: 1.03rem;
    letter-spacing: .08rem;
    padding: 1rem 1.2rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
  }

  .hero-pills {
    justify-content: center;
  }

  .hero-pills span {
    width: calc(50% - .5rem);
    justify-content: center;
    text-align: center;
    padding: 1rem;
    min-height: 5rem;
  }

  .visual-panel--device,
  .visual-panel--ai,
  .contact-card,
  .coming-note,
  .feature-card {
    padding: 1.6rem;
  }

  .landscape {
    height: 19rem;
  }

  .tree--left.tree-1,
  .tree--left.tree-3,
  .tree--right.tree-5,
  .tree--right.tree-6 {
    transform: scale(.8);
  }

  .sensor-node--left { left: 28%; }
  .sensor-node--center { left: 49%; }
  .sensor-node--right { right: 18%; }

  .grass--two {
    left: 28%;
    transform: scale(.9);
  }
}