:root {
  --ink: #17211c;
  --muted: #657069;
  --paper: #fbfaf7;
  --white: #ffffff;
  --mist: #eef4f0;
  --sage: #5f8a6d;
  --sage-dark: #315744;
  --teal: #2e7684;
  --copper: #b06a38;
  --amber: #dba852;
  --clay: #9b5b4d;
  --line: #dfe4df;
  --night: #0f1714;
  --shadow: 0 22px 50px rgba(15, 23, 20, 0.14);
}

* {
  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;
  line-height: 1.55;
}

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

a {
  color: inherit;
}

button,
input,
select,
textarea {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(251, 250, 247, 0.92);
  border-bottom: 1px solid rgba(223, 228, 223, 0.9);
  backdrop-filter: blur(16px);
}

.nav-wrap {
  width: min(1180px, calc(100% - 40px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 8px;
}

.brand span {
  font-size: 1.15rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a {
  min-height: 42px;
  padding: 10px 13px;
  border-radius: 6px;
  color: #29342d;
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a.is-current {
  background: var(--mist);
  color: var(--sage-dark);
}

.site-nav .nav-cta {
  margin-left: 6px;
  background: var(--ink);
  color: var(--white);
}

.site-nav .nav-cta:hover,
.site-nav .nav-cta.is-current {
  background: var(--sage-dark);
  color: var(--white);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  color: var(--ink);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 86svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(251, 250, 247, 0.94) 0%, rgba(251, 250, 247, 0.78) 40%, rgba(251, 250, 247, 0.12) 78%),
    url("assets/essentia-hero.png") center right / cover no-repeat;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 18%;
  background: linear-gradient(180deg, rgba(251, 250, 247, 0), var(--paper));
  pointer-events: none;
}

.hero-copy,
.section-inner,
.page-hero-inner,
.footer-inner {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.hero-copy {
  position: relative;
  z-index: 1;
  padding: 76px 0 112px;
}

.hero-text {
  max-width: 660px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--copper);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
.hero-title {
  margin: 0;
  font-size: 5.2rem;
  line-height: 0.96;
  letter-spacing: 0;
}

.hero-subtitle {
  max-width: 590px;
  margin: 24px 0 0;
  color: #39443d;
  font-size: 1.2rem;
}

.hero-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 18px;
  border: 1px solid var(--ink);
  border-radius: 6px;
  background: transparent;
  color: var(--ink);
  font-weight: 850;
  text-decoration: none;
  cursor: pointer;
}

.button.primary {
  background: var(--ink);
  color: var(--white);
}

.button.secondary {
  border-color: rgba(23, 33, 28, 0.22);
  background: rgba(255, 255, 255, 0.72);
}

.button.ghost {
  border-color: transparent;
  background: var(--mist);
  color: var(--sage-dark);
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(23, 33, 28, 0.12);
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 46px 0 0;
  padding: 0;
}

.hero-proof div {
  min-width: 145px;
}

.hero-proof dt {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.hero-proof dd {
  margin: 3px 0 0;
  font-size: 1.55rem;
  font-weight: 900;
}

.funding-strip {
  position: relative;
  z-index: 2;
  margin-top: -54px;
  padding-bottom: 54px;
}

.funding-panel {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.75fr);
  gap: 28px;
  align-items: center;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.meter-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 14px;
}

.meter-heading h2,
.meter-heading h3 {
  margin: 0;
  font-size: 1.35rem;
}

.meter-heading span {
  color: var(--sage-dark);
  font-weight: 900;
}

.meter-track {
  width: 100%;
  height: 18px;
  overflow: hidden;
  border-radius: 999px;
  background: #e7ece7;
}

.meter-fill {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--sage), var(--teal), var(--amber));
  transition: width 0.5s ease;
}

.meter-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.94rem;
}

.price-lock {
  display: grid;
  gap: 6px;
  padding-left: 26px;
  border-left: 1px solid var(--line);
}

.price-lock .label {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 850;
  text-transform: uppercase;
}

.price-lock .price {
  font-size: 2.55rem;
  font-weight: 950;
  line-height: 1;
}

.price-lock p {
  margin: 0;
  color: var(--muted);
}

.section {
  padding: 78px 0;
}

.section.alt {
  background: var(--white);
}

.section.dark {
  background: var(--night);
  color: var(--white);
}

.section.dark .section-kicker,
.section.dark .muted,
.section.dark p {
  color: rgba(255, 255, 255, 0.74);
}

.section-header {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-kicker {
  margin: 0 0 10px;
  color: var(--copper);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.section h2,
.page-hero h1 {
  margin: 0;
  font-size: 2.55rem;
  line-height: 1.05;
  letter-spacing: 0;
}

.section h3 {
  margin: 0 0 10px;
  font-size: 1.22rem;
  line-height: 1.2;
}

.section p {
  color: var(--muted);
}

.lead {
  margin: 18px 0 0;
  font-size: 1.12rem;
}

.muted {
  color: var(--muted);
}

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

.feature-card,
.preset-card,
.spec-card,
.story-card,
.cost-card,
.faq-card,
.reserve-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.feature-card,
.spec-card,
.story-card,
.cost-card,
.faq-card {
  padding: 24px;
}

.feature-card .mini-icon,
.spec-card .mini-icon {
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: var(--mist);
  color: var(--sage-dark);
}

.mini-icon svg {
  width: 22px;
  height: 22px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 52px;
  align-items: center;
}

.split.reverse {
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
}

.product-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f6f4ef;
  box-shadow: var(--shadow);
}

.product-frame img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.product-frame.wide img {
  aspect-ratio: 16 / 10;
}

.check-list,
.plain-list {
  display: grid;
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li,
.plain-list li {
  position: relative;
  padding-left: 28px;
}

.check-list li::before,
.plain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--sage);
}

.preset-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.preset-card {
  width: 100%;
  min-height: 178px;
  padding: 18px;
  text-align: left;
  color: var(--ink);
  cursor: pointer;
}

button.preset-card {
  border-color: var(--line);
}

.preset-card:hover,
.preset-card.is-active {
  border-color: var(--sage);
  box-shadow: 0 16px 34px rgba(49, 87, 68, 0.13);
}

.preset-art {
  width: 76px;
  height: 62px;
  margin-bottom: 18px;
}

.preset-card strong {
  display: block;
  font-size: 1.06rem;
}

.preset-card span {
  display: block;
  color: var(--muted);
  font-size: 0.92rem;
}

.preset-card b {
  display: inline-block;
  margin-top: 10px;
  color: var(--sage-dark);
}

.demo-wrap {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1.1fr);
  gap: 48px;
  align-items: center;
}

.device-demo {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff, #eef4f0);
}

.smart-cap {
  width: min(420px, 100%);
  margin: 0 auto;
  padding: 26px;
  border-radius: 8px;
  background: linear-gradient(135deg, #eef0ec, #8b928c 38%, #f9faf7 61%, #626963);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.8), 0 24px 42px rgba(23, 33, 28, 0.22);
}

.lcd-screen {
  min-height: 320px;
  padding: 28px;
  border: 8px solid #0b1210;
  border-radius: 8px;
  background:
    radial-gradient(circle at 70% 20%, rgba(95, 138, 109, 0.22), transparent 32%),
    linear-gradient(180deg, #1a2520, #0f1714);
  color: var(--white);
}

.lcd-rh {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.lcd-rh strong {
  font-size: 4rem;
  line-height: 1;
}

.lcd-rh span {
  color: rgba(255, 255, 255, 0.78);
  font-weight: 800;
}

.lcd-icon {
  width: 126px;
  height: 96px;
  margin: 24px auto 12px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
}

.lcd-icon svg {
  width: 90px;
  height: 74px;
}

.lcd-label {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 900;
}

.lcd-status {
  margin: 16px 0 0;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.9rem;
}

.manual-control {
  margin-top: 24px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.manual-control label {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 10px;
  font-weight: 850;
}

.manual-control input[type="range"] {
  width: 100%;
  accent-color: var(--sage);
}

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

.spec-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.spec-table th,
.spec-table td {
  padding: 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.spec-table tr:last-child th,
.spec-table tr:last-child td {
  border-bottom: 0;
}

.spec-table th {
  width: 34%;
  color: var(--ink);
  font-weight: 900;
}

.logic-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.logic-step {
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.logic-step span {
  display: inline-grid;
  width: 34px;
  height: 34px;
  margin-bottom: 16px;
  place-items: center;
  border-radius: 8px;
  background: var(--amber);
  color: var(--night);
  font-weight: 950;
}

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

.cost-card strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.55rem;
}

.cost-card p {
  margin: 0;
}

.stack {
  display: grid;
  gap: 18px;
}

.reserve-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(340px, 0.8fr);
  gap: 36px;
  align-items: start;
}

.reserve-card {
  padding: 26px;
  box-shadow: var(--shadow);
}

.reserve-card h2 {
  font-size: 1.7rem;
}

.form-grid {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.field {
  display: grid;
  gap: 7px;
}

.field span {
  font-size: 0.85rem;
  font-weight: 850;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 46px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  color: var(--ink);
}

.field textarea {
  min-height: 92px;
  resize: vertical;
}

.confirmation {
  display: none;
  margin-top: 16px;
  padding: 14px;
  border-radius: 8px;
  background: var(--mist);
  color: var(--sage-dark);
  font-weight: 800;
}

.confirmation.is-visible {
  display: block;
}

.checkout-status {
  min-height: 22px;
  margin-top: 16px;
  color: var(--muted);
  font-weight: 750;
}

.checkout-status.success {
  color: var(--sage-dark);
}

.checkout-status.error {
  color: var(--clay);
}

.rate-options {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.rate-option {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  cursor: pointer;
}

.rate-option:hover,
.rate-option:has(input:checked) {
  border-color: var(--sage);
  box-shadow: 0 12px 28px rgba(49, 87, 68, 0.12);
}

.rate-option input {
  margin-top: 5px;
  accent-color: var(--sage);
}

.rate-option strong,
.rate-option small,
.rate-option em,
.rate-option b {
  display: block;
}

.rate-option small {
  color: var(--muted);
  font-size: 0.83rem;
}

.rate-option b {
  color: var(--sage-dark);
  font-size: 1.08rem;
  text-align: right;
}

.rate-option em {
  grid-column: 2 / 4;
  color: var(--ink);
  font-size: 0.9rem;
  font-style: normal;
  font-weight: 850;
}

.checkout-button {
  width: 100%;
  margin-top: 16px;
}

.checkout-button:disabled,
.button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
  transform: none;
  box-shadow: none;
}

.test-results {
  overflow-x: auto;
}

.test-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.test-table th,
.test-table td {
  padding: 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.test-table th {
  background: var(--mist);
  color: var(--sage-dark);
  font-size: 0.84rem;
  text-transform: uppercase;
}

.test-table tr.pass td:first-child {
  color: var(--sage-dark);
  font-weight: 900;
}

.test-table tr.fail td:first-child {
  color: var(--clay);
  font-weight: 900;
}

.page-hero {
  padding: 86px 0 58px;
  background:
    linear-gradient(120deg, rgba(238, 244, 240, 0.98), rgba(255, 255, 255, 0.92)),
    linear-gradient(90deg, var(--sage), var(--teal));
}

.page-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.55fr);
  gap: 42px;
  align-items: center;
}

.page-hero .hero-subtitle {
  margin-top: 18px;
}

.hero-stat {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.84);
}

.hero-stat strong {
  display: block;
  font-size: 2.4rem;
  line-height: 1;
}

.hero-stat span {
  color: var(--muted);
  font-weight: 750;
}

.timeline {
  display: grid;
  gap: 18px;
  margin-top: 34px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  gap: 20px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.timeline-item strong {
  color: var(--copper);
}

.site-footer {
  padding: 42px 0;
  border-top: 1px solid var(--line);
  background: var(--white);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links a {
  color: var(--muted);
  font-weight: 750;
  text-decoration: none;
}

.note {
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.88rem;
}

.policy-note {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.policy-note h3 {
  margin-bottom: 8px;
  font-size: 1rem;
}

.policy-note p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.legal-content {
  max-width: 860px;
}

.legal-content h2 {
  margin-top: 34px;
  margin-bottom: 10px;
  font-size: 1.35rem;
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p {
  color: var(--muted);
}

.legal-content a,
.note a,
.hero-stat a,
.feature-card a {
  color: var(--sage-dark);
  font-weight: 850;
}

@media (max-width: 980px) {
  .feature-grid,
  .preset-grid,
  .cost-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .split,
  .split.reverse,
  .demo-wrap,
  .reserve-layout,
  .page-hero-inner,
  .funding-panel {
    grid-template-columns: 1fr;
  }

  .price-lock {
    padding-left: 0;
    padding-top: 22px;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .spec-grid,
  .logic-band {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 780px) {
  .nav-wrap {
    width: min(100% - 28px, 1180px);
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    left: 14px;
    right: 14px;
    top: 72px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav .nav-cta {
    margin-left: 0;
  }

  .hero {
    min-height: 84svh;
    background:
      linear-gradient(180deg, rgba(251, 250, 247, 0.96) 0%, rgba(251, 250, 247, 0.88) 48%, rgba(251, 250, 247, 0.18) 100%),
      url("assets/essentia-hero.png") center bottom / cover no-repeat;
  }

  .hero-copy,
  .section-inner,
  .page-hero-inner,
  .footer-inner {
    width: min(100% - 28px, 1180px);
  }

  h1,
  .hero-title {
    font-size: 3.2rem;
  }

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

  .section {
    padding: 56px 0;
  }

  .section h2,
  .page-hero h1 {
    font-size: 2rem;
  }

  .funding-strip {
    margin-top: -28px;
  }

  .funding-panel {
    width: min(100% - 28px, 1180px);
    padding: 20px;
  }

  .lcd-rh strong {
    font-size: 3.1rem;
  }

  .preset-grid,
  .feature-grid,
  .cost-grid {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

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

@media (max-width: 480px) {
  .hero-actions,
  .button-row {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .meter-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .price-lock .price {
    font-size: 2.15rem;
  }
}