:root {
  color-scheme: light;
  --forest: #063d2f;
  --deep: #032c22;
  --green: #4e7a31;
  --lime: #9cc23c;
  --cream: #f8f3e7;
  --pale: #eaf4ec;
  --sky: #dceff3;
  --gold: #f6d16a;
  --ink: #15251f;
  --muted: #53645d;
  --line: #d5e2db;
  --white: #fff;
  --shadow: 0 24px 70px rgb(3 44 34 / 14%);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: #fbfcfa;
  line-height: 1.55;
}
img { display: block; max-width: 100%; }
a { color: inherit; }

.site-header {
  min-height: 84px;
  padding: 12px clamp(22px, 5vw, 72px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--white);
  background: var(--deep);
}
.brand { display: inline-flex; padding: 8px 12px; border-radius: 12px; background: var(--white); }
.brand img { width: 150px; height: 58px; object-fit: contain; }
.header-actions { display: flex; align-items: center; gap: 20px; font-weight: 750; text-transform: uppercase; letter-spacing: .08em; font-size: .78rem; }

.hero {
  position: relative;
  min-height: min(680px, 72vh);
  display: grid;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}
.hero-image, .hero-shade { position: absolute; inset: 0; }
.hero-image { background: url("./aeration-hero.jpg") center 58% / cover no-repeat; z-index: -3; }
.hero-shade { background: linear-gradient(90deg, rgb(3 44 34 / 92%) 0%, rgb(3 44 34 / 77%) 38%, rgb(3 44 34 / 8%) 73%), linear-gradient(0deg, rgb(3 44 34 / 35%), transparent 44%); z-index: -2; }
.hero-content { width: min(660px, calc(100% - 44px)); margin-left: clamp(22px, 8vw, 120px); padding: 88px 0 105px; color: var(--white); }
.eyebrow, .section-kicker { margin: 0 0 13px; color: var(--green); font-size: .8rem; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.hero .eyebrow { color: #d8ef8b; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 650px; margin-bottom: 22px; font-size: clamp(3.2rem, 6vw, 6.15rem); line-height: .94; letter-spacing: -.055em; text-wrap: balance; }
.hero-copy { max-width: 590px; margin-bottom: 30px; color: #edf6f0; font-size: clamp(1.05rem, 1.6vw, 1.3rem); }
.hero-actions, .cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-note { position: absolute; right: clamp(22px, 5vw, 72px); bottom: 30px; padding: 15px 20px; display: grid; color: var(--deep); background: var(--gold); border-radius: 16px; box-shadow: var(--shadow); }
.hero-note strong { text-transform: uppercase; letter-spacing: .08em; }
.hero-note span { font-size: .86rem; }

.button { min-height: 48px; padding: 12px 21px; display: inline-flex; align-items: center; justify-content: center; border: 2px solid transparent; border-radius: 999px; font-weight: 800; text-decoration: none; transition: transform .15s ease, background .15s ease; }
.button:hover { transform: translateY(-2px); }
.button:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }
.button-primary { color: var(--white); background: var(--green); }
.button-primary:hover { background: #3f6726; }
.button-secondary { color: var(--white); border-color: rgb(255 255 255 / 68%); background: rgb(3 44 34 / 32%); }
.button-light { color: var(--deep); background: var(--white); }
.button-outline { color: var(--forest); border-color: var(--forest); background: transparent; }
.button-small { min-height: 40px; padding: 8px 16px; font-size: .8rem; letter-spacing: 0; text-transform: none; }

.section-shell { width: min(1160px, calc(100% - 44px)); margin-inline: auto; }
.intro { padding-block: 86px 78px; }
h2 { margin-bottom: 17px; color: var(--forest); font-size: clamp(2rem, 4vw, 3.45rem); line-height: 1.05; letter-spacing: -.035em; text-wrap: balance; }
.section-lead { max-width: 800px; color: var(--muted); font-size: 1.12rem; }
.benefit-grid { margin-top: 42px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.benefit-card { min-height: 190px; padding: 25px 22px; display: grid; align-content: start; gap: 22px; border-radius: 24px; }
.benefit-air { background: var(--pale); }
.benefit-water { background: var(--sky); }
.benefit-roots { background: var(--cream); }
.benefit-nutrients { background: #eef4df; }
.benefit-icon { width: 48px; height: 48px; display: grid; place-items: center; color: var(--white); background: var(--forest); border-radius: 50%; font-size: 1.15rem; font-weight: 850; }
.benefit-card h3 { margin-bottom: 7px; color: var(--forest); font-size: 1.1rem; }
.benefit-card p { margin-bottom: 0; color: var(--muted); font-size: .94rem; }

.method-section { margin-bottom: 88px; display: grid; grid-template-columns: 1fr 1fr; overflow: hidden; background: var(--white); border: 1px solid var(--line); border-radius: 30px; box-shadow: var(--shadow); }
.method-visual { position: relative; min-height: 430px; background: var(--cream); }
.method-visual img { width: 100%; height: 100%; object-fit: cover; }
.method-visual span { position: absolute; left: 22px; bottom: 22px; padding: 11px 16px; color: var(--white); background: var(--forest); border-radius: 999px; font-size: .78rem; font-weight: 850; letter-spacing: .05em; text-transform: uppercase; }
.method-copy { padding: clamp(35px, 5vw, 68px); align-self: center; }
.method-copy > p:not(.section-kicker) { color: var(--muted); font-size: 1.05rem; }
.check-list { margin: 25px 0 0; padding: 0; display: grid; gap: 12px; list-style: none; }
.check-list li { position: relative; padding-left: 31px; font-weight: 700; }
.check-list li::before { content: ""; position: absolute; left: 0; top: .25em; width: 18px; height: 18px; background: var(--lime); border-radius: 50%; box-shadow: inset 0 0 0 5px var(--pale); }

.season-section { padding: 84px 0; color: var(--white); background: var(--forest); }
.season-inner { display: grid; grid-template-columns: 190px 1fr; gap: clamp(30px, 7vw, 92px); align-items: start; }
.season-marker { width: 180px; aspect-ratio: 1; display: grid; place-items: center; color: var(--deep); background: var(--gold); border-radius: 42% 58% 62% 38% / 45% 36% 64% 55%; font-size: 2.4rem; font-weight: 900; transform: rotate(-5deg); }
.season-inner h2 { color: var(--white); }
.season-inner p { max-width: 760px; color: #e2eee8; font-size: 1.05rem; }
.section-kicker-light { color: #d8ef8b; }
.season-caveat { margin: 25px 0 0; padding: 15px 18px; border: 1px solid rgb(255 255 255 / 22%); border-radius: 14px; background: rgb(255 255 255 / 8%); font-size: .9rem !important; }

.expect-section { padding-block: 85px; }
.expect-steps { margin-top: 34px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.expect-steps article { padding: 28px; border-top: 5px solid var(--green); background: var(--white); border-radius: 0 0 18px 18px; box-shadow: 0 13px 35px rgb(3 44 34 / 8%); }
.expect-steps span { width: 38px; height: 38px; margin-bottom: 32px; display: grid; place-items: center; color: var(--white); background: var(--forest); border-radius: 50%; font-weight: 850; }
.expect-steps h3 { margin-bottom: 8px; color: var(--forest); }
.expect-steps p { margin-bottom: 0; color: var(--muted); }

.cta-section { margin-bottom: 78px; padding: clamp(32px, 5vw, 60px); display: grid; grid-template-columns: 1.4fr auto; gap: 42px; align-items: center; background: var(--gold); border-radius: 28px; }
.cta-section h2 { max-width: 700px; margin-bottom: 12px; color: var(--deep); }
.cta-section p { max-width: 700px; margin-bottom: 0; }
.cta-actions { min-width: 230px; flex-direction: column; }

.site-footer { padding: 34px clamp(22px, 5vw, 72px); display: flex; flex-wrap: wrap; align-items: center; gap: 18px 30px; color: #d8e8df; background: var(--deep); font-size: .83rem; }
.site-footer img { width: 104px; height: 58px; padding: 5px 8px; object-fit: contain; background: var(--white); border-radius: 9px; }
.site-footer div { margin-right: auto; display: grid; }
.site-footer a { color: #d8e8df; }

@media (max-width: 900px) {
  .benefit-grid { grid-template-columns: 1fr 1fr; }
  .method-section { grid-template-columns: 1fr; }
  .method-visual { min-height: 380px; }
  .cta-section { grid-template-columns: 1fr; }
  .cta-actions { flex-direction: row; }
}

@media (max-width: 640px) {
  .site-header { min-height: 70px; padding: 9px 16px; }
  .brand { padding: 5px 8px; }
  .brand img { width: 112px; height: 44px; }
  .header-actions > span { display: none; }
  .button-small { padding: 7px 12px; font-size: .72rem; }
  .hero { min-height: 680px; align-items: end; }
  .hero-image { background-position: 58% center; }
  .hero-shade { background: linear-gradient(0deg, rgb(3 44 34 / 96%) 0%, rgb(3 44 34 / 82%) 50%, rgb(3 44 34 / 18%) 100%); }
  .hero-content { width: calc(100% - 36px); margin: 0 auto; padding: 260px 0 100px; }
  h1 { font-size: clamp(3rem, 15vw, 4.4rem); }
  .hero-note { right: 18px; bottom: 18px; padding: 10px 14px; }
  .hero-actions, .cta-actions { flex-direction: column; align-items: stretch; }
  .benefit-grid, .expect-steps { grid-template-columns: 1fr; }
  .benefit-card { min-height: 0; grid-template-columns: 48px 1fr; gap: 16px; }
  .intro, .expect-section { padding-block: 65px; }
  .method-section { margin-bottom: 65px; border-radius: 22px; }
  .method-visual { min-height: 300px; }
  .method-copy { padding: 32px 25px 38px; }
  .season-section { padding: 65px 0; }
  .season-inner { grid-template-columns: 1fr; }
  .season-marker { width: 112px; font-size: 1.65rem; }
  .expect-steps article { padding: 22px; }
  .expect-steps span { margin-bottom: 18px; }
  .cta-section { width: calc(100% - 28px); margin-bottom: 55px; padding: 28px 22px; border-radius: 22px; }
  .site-footer { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}
