:root {
  --ink: #1e2a32;
  --green: #3d6b63;
  --green-bright: #79a89e;
  --cream: #f6f2ea;
  --paper: #fffdf8;
  --line: #d8d0c4;
  --muted: #657178;
  --max: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; background: var(--paper); color: var(--ink); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 17px; line-height: 1.6; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button { font: inherit; }
.skip { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: .75rem 1rem; background: var(--ink); color: white; }
.skip:focus { top: 1rem; }

.site-header { width: min(calc(100% - 2rem), var(--max)); margin: 0 auto; min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; border-bottom: 1px solid var(--line); }
.brand,.footer-brand { display:inline-flex; align-items:center; gap:.72rem; color:var(--ink); text-decoration:none; }
.brand img,.footer-brand img { width:54px; height:54px; border-radius:13px; object-fit:cover; }
.brand span,.footer-brand span { display:flex; flex-direction:column; }
.brand strong,.footer-brand strong { color:#086443; font-size:1.18rem; font-weight:850; letter-spacing:.015em; line-height:1.05; text-transform:uppercase; }
.brand small,.footer-brand small { margin-top:.22rem; color:var(--muted); font-size:.67rem; letter-spacing:.035em; }
nav { display: flex; align-items: center; gap: 1.75rem; font-size: .93rem; font-weight: 650; }
nav a { text-decoration: none; }
.nav-buy { padding: .72rem 1.05rem; background: var(--ink); color: white; border-radius: 999px; }

.brand-hero { width:min(calc(100% - 2rem),var(--max)); margin:0 auto; padding:clamp(5rem,11vw,10rem) 0 clamp(5rem,9vw,8rem); text-align:center; }
.brand-hero h1 { max-width:1100px; margin:0 auto; font-size:clamp(3.8rem,8vw,7.7rem); }
.brand-hero h1 em { color:var(--green); font-style:normal; }
.brand-hero>p:not(.eyebrow) { max-width:760px; margin:2rem auto 2.3rem; color:var(--muted); font-size:clamp(1.08rem,2vw,1.3rem); }
.product-catalog { padding:clamp(5rem,9vw,8rem) max(1rem,calc((100% - var(--max))/2)); background:var(--cream); }
.catalog-heading { max-width:900px; }
.product-grid { display:grid; grid-template-columns:1fr 1fr; gap:1.4rem; }
.product-card { overflow:hidden; border:1px solid var(--line); border-radius:1.5rem; background:var(--paper); }
.product-card>img { width:100%; aspect-ratio:5/4; object-fit:cover; }
.product-card-copy { padding:clamp(1.6rem,4vw,2.5rem); }
.product-format { color:var(--green); font-size:.76rem; font-weight:850; letter-spacing:.12em; text-transform:uppercase; }
.product-card h3 { margin:.55rem 0 0; font-family:Georgia,serif; font-size:clamp(2rem,4vw,3.2rem); font-weight:500; line-height:1; }
.product-card p { margin:1rem 0 0; color:var(--muted); }
.product-card-actions { display:flex; flex-wrap:wrap; align-items:center; gap:1rem; margin-top:1.8rem; }
.text-link { color:var(--green); font-size:.9rem; font-weight:760; text-decoration:none; }
.brand-promise { width:min(calc(100% - 2rem),var(--max)); margin:0 auto; padding:clamp(6rem,10vw,9rem) 0; }
.brand-promise>div { display:grid; grid-template-columns:1.05fr .95fr; gap:clamp(2rem,7vw,7rem); align-items:end; }
.brand-promise h2 { margin:0; font-size:clamp(2.8rem,6vw,5.6rem); }
.brand-promise div p { margin:0; color:var(--muted); font-size:1.15rem; }
.breathing-detail { display:grid; grid-template-columns:1fr 1fr; gap:clamp(2rem,6vw,6rem); align-items:center; padding:clamp(5rem,9vw,8rem) max(1rem,calc((100% - var(--max))/2)); background:#e7f2ee; }
.breathing-detail h2 { margin:0; font-size:clamp(3rem,6vw,5.8rem); }
.breathing-copy>p:not(.eyebrow):not(.microcopy) { color:#4c5f5b; font-size:1.12rem; }
.breathing-copy ul { display:grid; gap:.65rem; margin:1.7rem 0 0; padding:0; list-style:none; }
.breathing-copy li { position:relative; padding-left:1.6rem; }
.breathing-copy li::before { content:"✓"; position:absolute; left:0; color:var(--green); font-weight:900; }
.breathing-detail figure { margin:0; }
.breathing-detail figure img { border:1px solid rgba(30,42,50,.12); border-radius:1.4rem; box-shadow:0 28px 70px rgba(30,42,50,.14); }
.product-detail { border-top:1px solid var(--line); }

.hero { width: min(calc(100% - 2rem), var(--max)); margin: 0 auto; padding: clamp(3.5rem, 7vw, 7.5rem) 0 5rem; display: grid; grid-template-columns: 1.02fr .98fr; gap: clamp(2.5rem, 6vw, 6rem); align-items: center; }
.hero > * { min-width: 0; }
.eyebrow { margin: 0 0 1.1rem; color: var(--green); font-size: .78rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
h1, h2, h3, p { text-wrap: pretty; }
h1, h2 { font-family: Georgia, "Times New Roman", serif; font-weight: 500; letter-spacing: -.045em; line-height: .98; }
h1 { max-width: 720px; margin: 0; font-size: clamp(3.8rem, 8vw, 7.4rem); }
h1 em { color: var(--green); font-style: normal; }
.lede { max-width: 660px; margin: 2rem 0 0; color: #4c585f; font-size: clamp(1.08rem, 2vw, 1.28rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2.2rem; }
.button { border: 1px solid transparent; border-radius: 999px; padding: .9rem 1.35rem; cursor: pointer; text-decoration: none; font-weight: 760; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.primary { background: var(--green); color: white; }
.primary:hover { background: #315a53; }
.secondary { border-color: var(--line); background: transparent; }
.microcopy { margin: 1rem 0 0; color: var(--muted); font-size: .82rem; }
.hero-visual { position: relative; margin: 0; }
.hero-visual::before { content: ""; position: absolute; inset: 7% -4% -5% 8%; z-index: -1; background: var(--green); border-radius: 2rem; transform: rotate(3deg); }
.hero-visual img { width: 100%; aspect-ratio: 1; object-fit: cover; border: 1px solid var(--line); border-radius: 1.4rem; box-shadow: 0 30px 80px rgba(30,42,50,.15); }

.proof { background: var(--ink); color: white; display: grid; grid-template-columns: repeat(4, 1fr); padding: 2rem max(1rem, calc((100% - var(--max)) / 2)); }
.proof div { display: grid; gap: .1rem; padding: .3rem 2rem; border-right: 1px solid rgba(255,255,255,.16); }
.proof div:last-child { border-right: 0; }
.proof strong { color: var(--green-bright); font-family: Georgia, serif; font-size: 2.1rem; font-weight: 500; }
.proof span { font-size: .84rem; color: #d9e0df; }

.problem { width: min(calc(100% - 2rem), 920px); margin: 0 auto; padding: clamp(5.5rem, 10vw, 9rem) 0; text-align: center; }
.problem h2, .section-heading h2 { margin: 0; font-size: clamp(2.7rem, 5.5vw, 5.2rem); }
.problem > p:last-child { max-width: 760px; margin: 2rem auto 0; color: var(--muted); font-size: 1.15rem; }

.feature-grid { width: min(calc(100% - 2rem), var(--max)); margin: 0 auto 8rem; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.feature { min-height: 330px; padding: clamp(2rem, 5vw, 4rem); background: var(--cream); }
.feature-dark { background: var(--ink); color: white; }
.number { display: block; margin-bottom: 4.5rem; color: var(--green); font-weight: 800; letter-spacing: .12em; }
.feature-dark .number { color: var(--green-bright); }
.feature h3 { max-width: 440px; margin: 0; font-family: Georgia, serif; font-size: clamp(1.75rem, 3vw, 2.7rem); font-weight: 500; line-height: 1.05; }
.feature p { max-width: 500px; margin: 1rem 0 0; color: var(--muted); }
.feature-dark p { color: #cdd8d6; }

.gallery { padding: 7rem max(1rem, calc((100% - var(--max)) / 2)); background: var(--cream); }
.section-heading { max-width: 850px; margin-bottom: 3.5rem; }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.gallery figure { margin: 0; }
.gallery img { width: 100%; aspect-ratio: 1; object-fit: cover; border: 1px solid var(--line); border-radius: .35rem; background: var(--paper); }
.gallery figcaption { margin-top: .8rem; font-weight: 700; font-size: .9rem; }

.inside, .steps, .faq { width: min(calc(100% - 2rem), var(--max)); margin: 0 auto; padding: clamp(6rem, 10vw, 9rem) 0; }
.inside-list { border-top: 1px solid var(--line); }
.inside-list article { display: grid; grid-template-columns: 90px 1fr; gap: 2rem; padding: 2rem 0; border-bottom: 1px solid var(--line); }
.file-type { color: var(--green); font-size: .77rem; font-weight: 850; letter-spacing: .12em; }
.inside h3 { margin: 0; font-family: Georgia, serif; font-size: 1.7rem; font-weight: 500; }
.inside article p { max-width: 780px; margin: .45rem 0 0; color: var(--muted); }

.steps { border-top: 1px solid var(--line); }
.steps ol { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; margin: 0; padding: 0; list-style: none; }
.steps li { padding: 1.6rem; background: var(--cream); }
.steps li > span { display: grid; place-items: center; width: 38px; height: 38px; margin-bottom: 3rem; border-radius: 50%; background: var(--green); color: white; font-weight: 800; }
.steps strong { font-family: Georgia, serif; font-size: 1.5rem; font-weight: 500; }
.steps p { margin: .4rem 0 0; color: var(--muted); font-size: .95rem; }

.faq { display: grid; grid-template-columns: .8fr 1.2fr; gap: 5rem; border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { padding: 1.4rem 2.2rem 1.4rem 0; cursor: pointer; font-weight: 760; }
.faq-list p { margin: -.3rem 0 1.5rem; color: var(--muted); }

.closing { padding: clamp(5rem, 10vw, 9rem) 1rem; background: var(--green); color: white; text-align: center; }
.closing .eyebrow { color: #cbe0dc; }
.closing h2 { max-width: 900px; margin: 0 auto; font-size: clamp(3rem, 7vw, 6.6rem); }
.closing > p:not(.eyebrow) { margin: 1.5rem auto 2rem; color: #e4efed; }
.light { background: white; color: var(--ink); }
.closing small { display: block; margin-top: 1rem; color: #d5e6e2; }

footer { width: min(calc(100% - 2rem), var(--max)); margin: 0 auto; padding: 4rem 0; display: grid; grid-template-columns: 220px 1fr auto; align-items: center; gap: 2rem; color: var(--muted); font-size: .86rem; }
footer .footer-brand { width:max-content; }
.legal { text-align: right; }

dialog { width: min(calc(100% - 2rem), 560px); padding: 2.5rem; border: 0; border-radius: 1.2rem; box-shadow: 0 30px 100px rgba(0,0,0,.28); }
dialog::backdrop { background: rgba(30,42,50,.74); }
dialog h2 { margin: 0; font-size: 2.4rem; }
.dialog-close { position: absolute; top: .8rem; right: 1rem; border: 0; background: transparent; font-size: 2rem; cursor: pointer; }
.dialog-ok { margin-top: .8rem; }

@media (max-width: 820px) {
  .site-header { min-height: 72px; }
  .brand img { width:48px; height:48px; }
  nav > a:not(.nav-buy) { display: none; }
  .nav-buy { padding: .62rem .85rem; font-size: .82rem; }
  .hero { grid-template-columns: 1fr; padding-top: 4rem; }
  .hero-visual { width: 100%; max-width: 620px; }
  .proof { grid-template-columns: repeat(2, 1fr); }
  .proof div { border-bottom: 1px solid rgba(255,255,255,.16); }
  .proof div:nth-child(2) { border-right: 0; }
  .proof div:nth-child(n+3) { border-bottom: 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; gap: 2.2rem; }
  .steps ol { grid-template-columns: repeat(2, 1fr); }
  .faq { grid-template-columns: 1fr; gap: 1rem; }
  footer { grid-template-columns: 1fr; }
  .legal { text-align: left; }
  .product-grid,.brand-promise>div,.breathing-detail { grid-template-columns:1fr; }
  .breathing-detail figure { grid-row:1; }
}

@media (max-width: 520px) {
  body { font-size: 16px; }
  .site-header { width: min(calc(100% - 1.25rem), var(--max)); gap: .6rem; }
  .brand { gap:.5rem; }
  .brand img { width:42px; height:42px; border-radius:10px; }
  .brand strong { font-size:.9rem; }
  .brand small { display:none; }
  .nav-buy { white-space: nowrap; }
  h1 { font-size: clamp(3.25rem, 17vw, 5rem); }
  .hero { padding-top: 3.25rem; gap: 2.5rem; }
  .hero-visual::before { inset: 5% -1% -3% 5%; border-radius: 1.5rem; }
  .hero-actions { display: grid; }
  .button { text-align: center; }
  .proof div { padding: 1rem; }
  .proof strong { font-size: 1.7rem; }
  .feature { min-height: 290px; }
  .number { margin-bottom: 3rem; }
  .inside-list article { grid-template-columns: 1fr; gap: .4rem; }
  .steps ol { grid-template-columns: 1fr; }
  .steps li > span { margin-bottom: 2rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}