@font-face {
  font-family: "Yago Display";
  src: url("../fonts/BebasNeue-Regular.woff2") format("woff2");
  font-display: swap;
  font-style: normal;
  font-weight: 400;
}

:root {
  color-scheme: light;
  --hero-bg: #04050a;
  --black: #04050a;
  --black-mid: #111820;
  --paper: #ffffff;
  --mist: #f5f9f5;
  --green: #18a653;
  --green-v: #22c55e;
  --green-light: rgba(24, 166, 83, 0.09);
  --green-line: rgba(24, 166, 83, 0.22);
  --ink: #0f1317;
  --ink-mid: #3c4a58;
  --ink-soft: #7a8c9e;
  --line: rgba(11, 13, 17, 0.09);
  --line-dark: rgba(255, 255, 255, 0.1);
  --amber: #9a6200;
  --amber-pale: #fff8e8;
  --red: #9d3434;
  --red-pale: #fff4f2;
  --max: 1260px;
  --gutter: clamp(24px, 4vw, 52px);
  --section-pad: clamp(72px, 9vw, 116px);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
  font-size: 16px;
  font-weight: 300;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

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

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
}

p,
h1,
h2,
h3,
h4,
ul,
ol,
figure {
  margin: 0;
}

:focus-visible {
  outline: 2px solid var(--green-v);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 12px;
  z-index: 1000;
  padding: 10px 16px;
  background: var(--green-v);
  color: var(--black);
  font-weight: 600;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

/* Shared navigation: the pinned state of the homepage navigation. */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.nav-shell {
  min-height: 68px;
  padding: 12px clamp(24px, 4vw, 56px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
}

.brand {
  flex: 0 0 auto;
  color: var(--black);
  font-family: "Yago Display", sans-serif;
  font-size: 1.6rem;
  letter-spacing: 0.2em;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

.brand-dot {
  color: var(--green-v);
}

.brand-mark,
.brand-type {
  display: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 38px);
}

.site-nav a {
  position: relative;
  padding: 9px 0;
  color: var(--ink-mid);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s ease;
}

.site-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 3px;
  left: 0;
  height: 1px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--black);
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.site-nav .nav-contact {
  padding: 9px 18px;
  border: 1px solid rgba(4, 5, 10, 0.3);
  color: var(--black);
}

.site-nav .nav-contact::after {
  display: none;
}

.site-nav .nav-contact:hover {
  border-color: var(--green);
  color: var(--green);
}

.menu-toggle {
  width: 42px;
  height: 42px;
  padding: 10px;
  display: none;
  place-items: center;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--black);
  cursor: pointer;
}

.menu-toggle svg {
  width: 20px;
  height: 20px;
}

/* Inner-page hero: same orbit-black thesis, with a page-specific artifact. */
.page-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(circle at 12% 22%, rgba(34, 197, 94, 0.08), transparent 24%),
    linear-gradient(115deg, #04050a 0%, #060b0b 58%, #07120d 100%);
  color: #fff;
}

.page-hero::before {
  content: "";
  position: absolute;
  z-index: -2;
  inset: 0;
  opacity: 0.22;
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, 0.42) 0 0.6px, transparent 0.8px),
    radial-gradient(circle, rgba(34, 197, 94, 0.28) 0 0.7px, transparent 0.9px);
  background-position: 0 0, 29px 23px;
  background-size: 61px 61px, 89px 89px;
  mask-image: linear-gradient(to right, black, transparent 82%);
}

.page-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: min(54vw, 760px);
  aspect-ratio: 1;
  right: -20%;
  top: 50%;
  border: 1px solid rgba(34, 197, 94, 0.13);
  border-radius: 50%;
  box-shadow: 0 0 0 92px rgba(34, 197, 94, 0.018), 0 0 0 184px rgba(34, 197, 94, 0.012);
  transform: translateY(-50%);
}

.hero-shell,
.section-shell,
.footer-shell {
  width: min(100%, var(--max));
  min-width: 0;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.hero-shell {
  min-height: clamp(560px, 70vh, 730px);
  padding-block: clamp(80px, 10vw, 128px);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  align-items: center;
  gap: clamp(48px, 7vw, 94px);
}

.hero-copy,
.hero-card {
  min-width: 0;
}

.eyebrow,
.kicker {
  color: var(--green-v);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.26em;
  line-height: 1.5;
  text-transform: uppercase;
}

.eyebrow {
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 11px;
}

.eyebrow::before,
.kicker::before {
  content: "";
  width: 20px;
  height: 1px;
  flex: 0 0 20px;
  background: currentColor;
}

.hero-copy h1 {
  max-width: 760px;
  color: #fff;
  font-size: clamp(3rem, 6.3vw, 6.25rem);
  font-weight: 200;
  letter-spacing: 0.015em;
  line-height: 1.05;
}

.hero-copy .lead {
  max-width: 670px;
  margin-top: 28px;
  color: rgba(255, 255, 255, 0.58);
  font-size: clamp(0.95rem, 1.35vw, 1.08rem);
  font-weight: 300;
  line-height: 2;
}

.hero-actions,
.button-row {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  min-height: 46px;
  padding: 10px 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 1px solid transparent;
  border-radius: 2px;
  background: var(--green-v);
  color: var(--black);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1.4;
  text-align: center;
  text-decoration: none;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
  background: #45d37b;
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.28);
  background: transparent;
  color: #fff;
}

.button.secondary:hover {
  border-color: var(--green-v);
  color: var(--green-v);
}

.button.dark {
  background: var(--black);
  color: #fff;
}

.button.dark:hover {
  background: var(--green);
}

.button.ghost {
  border-color: var(--line);
  background: transparent;
  color: var(--ink);
}

.button.ghost:hover {
  border-color: var(--green);
  background: transparent;
  color: var(--green);
}

.hero-card {
  position: relative;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.035);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.28);
}

.hero-card-media {
  padding: 0;
}

.hero-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 2 / 1;
  background: #0b0f12;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-media img.media-position-right {
  object-position: 72% center;
}

.hero-media img.media-position-center {
  object-position: center;
}

.hero-card-label {
  margin: 4px 8px 18px;
  color: rgba(255, 255, 255, 0.46);
  font-family: "Yago Display", sans-serif;
  font-size: 0.88rem;
  letter-spacing: 0.17em;
}

.hero-checks {
  padding: 0;
  list-style: none;
}

.hero-checks li {
  padding: 16px 8px;
  display: grid;
  grid-template-columns: 38px 1fr;
  align-items: center;
  gap: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.8rem;
}

.hero-checks li span {
  color: var(--green-v);
  font-family: "Yago Display", sans-serif;
  font-size: 1.25rem;
  letter-spacing: 0.04em;
}

.status-flag {
  margin: 16px;
  padding: 13px 14px;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 10px;
  border: 1px solid rgba(217, 161, 43, 0.34);
  background: rgba(149, 100, 0, 0.16);
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.7rem;
  line-height: 1.8;
}

.status-flag strong {
  color: rgba(255, 255, 255, 0.82);
  font-weight: 500;
}

.status-dot {
  width: 8px;
  height: 8px;
  margin-top: 6px;
  border-radius: 50%;
  background: #e8aa31;
  box-shadow: 0 0 0 5px rgba(232, 170, 49, 0.12);
}

@keyframes hero-copy-in {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-copy,
.hero-card {
  animation: hero-copy-in 0.75s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.hero-card {
  animation-delay: 0.1s;
}

/* Shared editorial sections. */
.section {
  padding-block: var(--section-pad);
  background: var(--paper);
}

.section.soft {
  background: var(--mist);
}

.section.dark {
  background: var(--black);
  color: #fff;
}

.section-head {
  max-width: 900px;
  margin-bottom: clamp(38px, 5vw, 58px);
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.section.dark .section-head {
  border-top-color: var(--line-dark);
}

.kicker {
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 11px;
}

.section-head h2,
.contact-panel h2,
.scene-copy h2 {
  color: var(--black);
  font-size: clamp(2.2rem, 4.8vw, 4.25rem);
  font-weight: 200;
  letter-spacing: 0.025em;
  line-height: 1.14;
}

.section.dark .section-head h2 {
  color: #fff;
}

.section-head > p:last-child {
  max-width: 760px;
  margin-top: 20px;
  color: var(--ink-mid);
  font-size: clamp(0.86rem, 1.2vw, 0.96rem);
  line-height: 2;
}

.section.dark .section-head > p:last-child {
  color: rgba(255, 255, 255, 0.5);
}

.notice {
  padding: 18px 20px;
  display: grid;
  grid-template-columns: 26px 1fr;
  align-items: start;
  gap: 12px;
  border: 1px solid rgba(184, 118, 0, 0.28);
  border-left: 3px solid #d39522;
  background: var(--amber-pale);
  color: #76500d;
  font-size: 0.8rem;
  line-height: 1.85;
}

.notice-mark {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border: 1px solid #d39522;
  border-radius: 50%;
  color: #a36800;
  font-size: 0.72rem;
  font-weight: 600;
}

.notice + .section-head {
  margin-top: 56px;
}

.status-grid,
.choice-grid,
.concept-grid,
.step-grid,
.care-grid {
  display: grid;
  gap: 14px;
}

.status-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.choice-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.concept-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.step-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.care-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.status-card,
.info-card,
.concept-card,
.step-card,
.care-card {
  position: relative;
  min-width: 0;
  padding: 30px 26px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--paper);
}

.status-card::after,
.info-card::after,
.step-card::after,
.care-card::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}

.status-card:hover::after,
.info-card:hover::after,
.step-card:hover::after,
.care-card:hover::after {
  transform: scaleX(1);
}

.status-icon,
.number,
.step-num {
  color: var(--green);
  font-family: "Yago Display", sans-serif;
  font-size: 1rem;
  letter-spacing: 0.12em;
  line-height: 1;
}

.status-card > strong {
  margin-top: 28px;
  display: block;
  color: var(--ink-soft);
  font-size: 0.64rem;
  font-weight: 500;
  letter-spacing: 0.14em;
}

.status-card h3,
.info-card h3,
.concept-card h3,
.step-card h3,
.care-card h3 {
  margin-top: 12px;
  color: var(--black);
  font-size: 1.06rem;
  font-weight: 500;
  letter-spacing: 0.035em;
  line-height: 1.45;
}

.status-card p,
.info-card p,
.concept-card p,
.step-card p,
.care-card p {
  margin-top: 14px;
  color: var(--ink-soft);
  font-size: 0.8rem;
  line-height: 1.9;
}

.info-card .number,
.step-card .step-num {
  margin-bottom: 26px;
  font-size: 2.35rem;
  color: rgba(24, 166, 83, 0.28);
}

.concept-card {
  min-height: 250px;
  border-color: rgba(255, 255, 255, 0.09);
  background: rgba(255, 255, 255, 0.025);
}

.concept-card > span,
.care-time {
  color: var(--green-v);
  font-family: "Yago Display", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
}

.concept-card h3 {
  margin-top: 34px;
  color: #fff;
}

.concept-card p {
  color: rgba(255, 255, 255, 0.43);
}

/* App preview: two fixed rows of three 9:16 screens, without nested scrolling. */
.preview-grid {
  width: min(100%, 900px);
  margin-inline: auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 2.4vw, 28px);
}

.preview-card {
  min-width: 0;
}

.preview-frame {
  width: 100%;
  aspect-ratio: 9 / 16;
  padding: 8px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--black);
}

.preview-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.preview-card figcaption {
  padding-top: 16px;
  border-top: 2px solid var(--green);
}

.preview-card figcaption strong,
.preview-card figcaption span {
  display: block;
}

.preview-card figcaption strong {
  color: var(--black);
  font-size: 0.88rem;
  font-weight: 500;
}

.preview-card figcaption span {
  margin-top: 5px;
  color: var(--ink-soft);
  font-size: 0.7rem;
  line-height: 1.7;
}

@media (max-width: 680px) {
  .preview-grid {
    gap: 10px;
  }

  .preview-frame {
    padding: 3px;
  }

  .preview-card figcaption {
    padding-top: 10px;
  }

  .preview-card figcaption strong {
    font-size: 0.7rem;
  }

  .preview-card figcaption span {
    margin-top: 3px;
    font-size: 0.58rem;
    line-height: 1.5;
  }
}

/* Plants page. */
.scene-panel {
  margin-bottom: clamp(56px, 8vw, 92px);
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  border: 1px solid var(--line);
  background: var(--paper);
}

.scene-panel-copy {
  grid-template-columns: 1fr;
  border-left: 3px solid var(--green);
}

.scene-media {
  position: relative;
  min-height: 340px;
  overflow: hidden;
}

.scene-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.scene-media img.media-position-daily {
  object-position: 72% center;
}

.scene-media img.media-position-maintenance {
  object-position: 67% center;
}

.scene-copy {
  padding: clamp(34px, 5vw, 62px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.scene-copy .eyebrow {
  color: var(--green);
}

.scene-copy h3 {
  color: var(--black);
  font-size: clamp(1.7rem, 3vw, 2.8rem);
  font-weight: 300;
  letter-spacing: 0.025em;
  line-height: 1.2;
}

.scene-copy p:last-child {
  margin-top: 20px;
  color: var(--ink-mid);
  font-size: 0.86rem;
  line-height: 2;
}

/* App seasons: a fixed editorial grid, never a horizontal carousel. */
.season-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.season-card {
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--paper);
}

.season-media {
  position: relative;
  aspect-ratio: 2 / 1;
  overflow: hidden;
  background: var(--black);
}

.season-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.season-card figcaption {
  padding: 22px 24px 24px;
  display: grid;
  grid-template-columns: minmax(130px, 0.38fr) minmax(0, 0.62fr);
  gap: 20px;
  border-top: 2px solid var(--green);
}

.season-card h3 {
  color: var(--black);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.season-card p {
  color: var(--ink-soft);
  font-size: 0.76rem;
  line-height: 1.85;
}

/* Plant observation template: portrait image stays uncropped beside its guidance. */
.record-figure {
  margin-bottom: clamp(42px, 6vw, 68px);
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
  border: 1px solid var(--line-dark);
  background: rgba(255, 255, 255, 0.025);
}

.record-media {
  position: relative;
  min-width: 0;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: #090d11;
}

.record-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.record-copy {
  min-width: 0;
  padding: clamp(34px, 5vw, 64px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-left: 1px solid var(--line-dark);
}

.record-copy h3 {
  color: #fff;
  font-size: clamp(1.75rem, 3.4vw, 3.2rem);
  font-weight: 200;
  letter-spacing: 0.025em;
  line-height: 1.2;
}

.record-copy > p:not(.eyebrow) {
  margin-top: 22px;
  max-width: 620px;
  color: rgba(255, 255, 255, 0.54);
  font-size: 0.84rem;
  line-height: 2;
}

.record-copy .record-note {
  padding-top: 18px;
  border-top: 1px solid var(--line-dark);
  color: rgba(255, 255, 255, 0.36);
  font-size: 0.72rem;
}

.filter-bar {
  margin-bottom: 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.filter-button {
  min-height: 38px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--paper);
  color: var(--ink-mid);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  cursor: pointer;
}

.filter-button:hover,
.filter-button.is-active {
  border-color: var(--black);
  background: var(--black);
  color: #fff;
}

.filter-status {
  margin-left: auto;
  color: var(--ink-soft);
  font-size: 0.72rem;
}

.plant-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.plant-card {
  min-width: 0;
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  border: 1px solid var(--line);
  background: var(--paper);
}

.plant-card[hidden] {
  display: none;
}

.plant-visual {
  position: relative;
  min-height: 100%;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: var(--black);
}

.plant-visual[data-plant-tone="lettuce"] { --plant: #68b65c; }
.plant-visual[data-plant-tone="bok-choy"] { --plant: #4fae73; }
.plant-visual[data-plant-tone="basil"] { --plant: #348b54; }
.plant-visual[data-plant-tone="mint"] { --plant: #3da985; }
.plant-visual[data-plant-tone="coriander"] { --plant: #69a65a; }
.plant-visual[data-plant-tone="kale"] { --plant: #3f7d49; }
.plant-visual[data-plant-tone="spinach"] { --plant: #58875b; }
.plant-visual[data-plant-tone="arugula"] { --plant: #75a344; }
.plant-visual[data-plant-tone="chives"] { --plant: #5c9d66; }
.plant-visual[data-plant-tone="strawberry"] { --plant: #cf5067; }
.plant-visual[data-plant-tone="tomato"] { --plant: #dc574d; }
.plant-visual[data-plant-tone="flower"] { --plant: #e49a32; }

.plant-visual::before {
  content: "";
  position: absolute;
  width: 94px;
  height: 94px;
  border: 1px solid color-mix(in srgb, var(--plant) 55%, transparent);
  border-radius: 50%;
}

.plant-symbol {
  position: relative;
  z-index: 1;
  color: var(--plant);
  font-family: "Yago Display", sans-serif;
  font-size: 2.35rem;
  letter-spacing: 0.08em;
}

.plant-body {
  min-width: 0;
  padding: 24px;
}

.plant-topline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.plant-topline h3 {
  color: var(--black);
  font-size: 1.05rem;
  font-weight: 500;
}

.difficulty {
  flex: 0 0 auto;
  padding: 2px 7px;
  border: 1px solid var(--green-line);
  color: var(--green);
  font-size: 0.62rem;
  font-weight: 500;
}

.difficulty.advanced {
  border-color: rgba(157, 52, 52, 0.2);
  color: var(--red);
}

.plant-tags {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.plant-tags span {
  color: var(--ink-soft);
  font-size: 0.65rem;
}

.plant-tags span + span::before {
  content: "·";
  margin-right: 6px;
  color: var(--green);
}

.plant-tip,
.plant-caution {
  margin-top: 14px;
  color: var(--ink-mid);
  font-size: 0.76rem;
  line-height: 1.85;
}

.plant-caution {
  padding-top: 11px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.69rem;
}

/* Support page. */
.quick-links {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.quick-link {
  min-height: 150px;
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
}

.quick-link span {
  color: var(--green);
  font-family: "Yago Display", sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
}

.quick-link strong {
  color: var(--black);
  font-size: 0.92rem;
  font-weight: 500;
}

.quick-link:hover {
  background: var(--black);
}

.quick-link:hover strong {
  color: #fff;
}

.mini-note {
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft) !important;
  font-size: 0.7rem !important;
}

.checklist-wrap {
  display: grid;
  grid-template-columns: minmax(240px, 0.72fr) minmax(0, 1.28fr);
  border: 1px solid var(--line);
  background: var(--paper);
}

.progress-card {
  padding: clamp(30px, 4vw, 48px);
  background: var(--black);
  color: #fff;
}

.progress-card h3 {
  font-size: 1rem;
  font-weight: 500;
}

.progress-card > p {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.76rem;
}

.progress-number {
  margin-top: 40px;
  color: var(--green-v);
  font-family: "Yago Display", sans-serif;
  font-size: 4.5rem;
  letter-spacing: 0.04em;
  line-height: 1;
}

.progress-track {
  height: 3px;
  margin-top: 24px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.12);
}

.progress-bar {
  width: 0;
  height: 100%;
  background: var(--green-v);
  transition: width 0.25s ease;
}

.reset-checklist {
  margin-top: 26px;
  padding: 8px 0;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.24);
  background: transparent;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.72rem;
  cursor: pointer;
}

.checklist {
  padding: 16px clamp(24px, 4vw, 44px);
}

.check-row {
  padding: 18px 0;
  display: grid;
  grid-template-columns: 20px 1fr;
  align-items: start;
  gap: 14px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-mid);
  font-size: 0.82rem;
  cursor: pointer;
}

.check-row:last-child {
  border-bottom: 0;
}

.check-row input {
  width: 18px;
  height: 18px;
  margin-top: 4px;
  accent-color: var(--green);
}

.clean-list {
  margin-top: 20px;
  padding: 0;
  list-style: none;
}

.clean-list li {
  position: relative;
  padding: 10px 0 10px 18px;
  border-top: 1px solid var(--line);
  color: var(--ink-mid);
  font-size: 0.76rem;
  line-height: 1.8;
}

.clean-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--green);
}

.troubleshoot-grid {
  display: grid;
  gap: 10px;
}

.issue {
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
}

.section.dark .issue {
  border-color: rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.025);
  color: #fff;
}

.issue summary {
  position: relative;
  padding: 19px 56px 19px 20px;
  color: inherit;
  font-size: 0.88rem;
  font-weight: 500;
  list-style: none;
  cursor: pointer;
}

.issue summary::-webkit-details-marker {
  display: none;
}

.issue summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  color: var(--green-v);
  font-family: "Yago Display", sans-serif;
  font-size: 1.5rem;
  transform: translateY(-50%);
}

.issue[open] summary::after {
  content: "−";
}

.issue-body {
  padding: 0 20px 22px;
  border-top: 1px solid var(--line);
  color: var(--ink-mid);
  font-size: 0.78rem;
  line-height: 1.9;
}

.section.dark .issue-body {
  border-top-color: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.52);
}

.issue-body h4 {
  margin: 20px 0 8px;
  color: inherit;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
}

.issue-body p,
.issue-body ol {
  margin: 16px 0 0;
}

.issue-body ol {
  padding-left: 20px;
}

.issue-body a {
  color: var(--green);
}

.stop-note {
  margin-top: 16px;
  padding: 12px 14px;
  border-left: 2px solid #d39522;
  background: rgba(211, 149, 34, 0.1);
  color: #9a6820;
}

.section.dark .stop-note {
  color: #e0b96d;
}

/* Contact and footer. */
.contact-panel {
  padding: clamp(38px, 6vw, 70px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 48px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at 92% 20%, rgba(34, 197, 94, 0.1), transparent 28%),
    var(--black);
  color: #fff;
}

.contact-panel h2 {
  color: #fff;
}

.contact-panel > div > p:not(.eyebrow, .contact-meta) {
  max-width: 720px;
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.52);
  font-size: 0.86rem;
  line-height: 2;
}

.contact-panel .eyebrow {
  color: var(--green-v) !important;
}

.contact-panel .button.ghost {
  border-color: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.contact-panel .button.ghost:hover {
  border-color: var(--green-v);
  color: var(--green-v);
}

.contact-meta {
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.34);
  font-size: 0.68rem;
}

.qr-card {
  width: 188px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: #fff;
  color: var(--black);
}

.qr-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
}

.qr-card span {
  margin-top: 9px;
  display: block;
  font-size: 0.68rem;
  text-align: center;
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: #090c13;
  color: #fff;
}

.footer-top {
  padding-block: 58px 50px;
  display: grid;
  grid-template-columns: minmax(260px, 1.45fr) minmax(150px, 0.55fr) minmax(150px, 0.55fr);
  gap: clamp(42px, 7vw, 90px);
}

.site-footer .brand {
  color: #fff;
}

.footer-brand p {
  max-width: 370px;
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.34);
  font-size: 0.76rem;
  line-height: 1.85;
}

.footer-col h2 {
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.54);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.15em;
}

.footer-col ul {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.footer-col li + li {
  margin-top: 10px;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.48);
  font-size: 0.74rem;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--green-v);
}

.footer-bottom {
  padding-block: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.28);
  font-size: 0.66rem;
}

.footer-bottom a {
  text-decoration: none;
}

@media (max-width: 1100px) {
  .hero-shell {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.82fr);
    gap: 44px;
  }

  .choice-grid,
  .concept-grid,
  .quick-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .plant-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 920px) {
  .menu-toggle {
    display: grid;
  }

  .site-nav {
    position: fixed;
    top: 68px;
    right: 0;
    left: 0;
    max-height: calc(100vh - 68px);
    padding: 18px 24px 26px;
    display: grid;
    gap: 0;
    overflow-y: auto;
    border-bottom: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.98);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-nav a,
  .site-nav .nav-contact {
    padding: 14px 0;
    border: 0;
    border-bottom: 1px solid var(--line);
  }

  .site-nav a::after {
    display: none;
  }

  .hero-shell {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-card {
    width: min(100%, 720px);
  }

  .status-grid,
  .step-grid,
  .care-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .scene-panel {
    grid-template-columns: 1fr;
  }

  .scene-media {
    min-height: 0;
    aspect-ratio: 2 / 1;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 680px) {
  :root {
    --gutter: 24px;
    --section-pad: 72px;
  }

  html {
    scroll-padding-top: 72px;
  }

  .nav-shell {
    min-height: 64px;
  }

  .brand {
    font-size: 1.35rem;
  }

  .site-nav {
    top: 64px;
    max-height: calc(100vh - 64px);
  }

  .hero-shell {
    padding-block: 72px 64px;
  }

  .hero-copy h1 {
    font-size: clamp(2.65rem, 13vw, 4.6rem);
    line-height: 1.08;
  }

  .hero-copy .lead {
    font-size: 0.9rem;
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-media {
    aspect-ratio: 4 / 3;
  }

  .season-grid {
    grid-template-columns: 1fr;
  }

  .season-card figcaption {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 18px 20px 20px;
  }

  .record-figure {
    grid-template-columns: 1fr;
  }

  .record-copy {
    padding: 30px 24px 34px;
    border-top: 1px solid var(--line-dark);
    border-left: 0;
  }

  .status-grid,
  .choice-grid,
  .concept-grid,
  .step-grid,
  .care-grid,
  .quick-links {
    grid-template-columns: 1fr;
  }

  .status-card,
  .info-card,
  .concept-card,
  .step-card,
  .care-card {
    padding: 26px 22px;
  }

  .concept-card {
    min-height: 0;
  }

  .filter-status {
    width: 100%;
    margin: 6px 0 0;
  }

  .plant-card {
    grid-template-columns: 84px minmax(0, 1fr);
  }

  .plant-visual::before {
    width: 64px;
    height: 64px;
  }

  .plant-symbol {
    font-size: 1.75rem;
  }

  .plant-body {
    padding: 20px 18px;
  }

  .plant-topline {
    display: block;
  }

  .difficulty {
    margin-top: 8px;
    display: inline-block;
  }

  .checklist-wrap {
    grid-template-columns: 1fr;
  }

  .progress-number {
    font-size: 3.6rem;
  }

  .contact-panel {
    grid-template-columns: 1fr;
  }

  .contact-panel .button {
    width: 100%;
  }

  .qr-card {
    width: min(188px, 100%);
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}
