:root {
  --forest: #142f29;
  --forest-deep: #0f2621;
  --eucalyptus: #70877d;
  --mist: #e9efeb;
  --oyster: #f8f8f5;
  --white: #ffffff;
  --champagne: #d7c39d;
  --ink: #17201d;
  --muted: #5e6a66;
  --line: #dce2de;
  --accent: #d7c39d;
  --accent-soft: #f2eadb;
  --display: "Italiana", Georgia, serif;
  --body: "Manrope", Arial, sans-serif;
  --shell: 74rem;
}

body[data-theme="neck"] { --accent: #9db3a8; --accent-soft: #e5ece8; }
body[data-theme="nano"] { --accent: #caa99a; --accent-soft: #f1e4de; }
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: var(--body); font-size: 16px; line-height: 1.7; text-rendering: optimizeLegibility; }
img { display: block; width: 100%; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p, figure { margin-top: 0; }
h1, h2, h3 { font-family: var(--display); font-weight: 520; letter-spacing: -.035em; line-height: 1.06; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.shell { width: min(calc(100% - 2.5rem), var(--shell)); margin-inline: auto; }
.skip-link { position: fixed; top: 1rem; left: 1rem; z-index: 100; padding: .7rem 1rem; color: #fff; background: var(--forest); transform: translateY(-170%); }
.skip-link:focus { transform: translateY(0); }
.announcement { padding: .55rem 1rem; color: #fff; background: var(--forest-deep); font-size: .7rem; font-weight: 650; letter-spacing: .08em; text-align: center; text-transform: uppercase; }
.announcement strong { color: var(--accent); }
.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.96); backdrop-filter: blur(12px); }
.nav-row { min-height: 5.5rem; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.wordmark { display: grid; gap: .35rem; color: var(--forest); line-height: 1; }
.wordmark-main { font-family: var(--display); font-size: 1.08rem; font-weight: 650; letter-spacing: .12em; }
.wordmark-sub { color: var(--eucalyptus); font-size: .5rem; font-weight: 650; letter-spacing: .17em; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 1.5rem; font-size: .72rem; font-weight: 650; letter-spacing: .08em; text-transform: uppercase; }
.button { display: inline-flex; min-height: 3.2rem; align-items: center; justify-content: center; padding: .85rem 1.25rem; border: 1px solid var(--forest); border-radius: 5px; font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-align: center; text-transform: uppercase; transition: color 160ms ease, background 160ms ease, transform 160ms ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--forest); }
.button-light { color: var(--forest); background: #fff; border-color: #fff; }
.hero { position: relative; overflow: hidden; color: #fff; background: var(--forest); }
.hero::after { position: absolute; right: -10rem; bottom: -12rem; width: 32rem; aspect-ratio: 1; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; content: ""; }
.hero-grid { min-height: 43rem; display: grid; grid-template-columns: minmax(0,.9fr) minmax(28rem,1.1fr); align-items: center; gap: clamp(2.5rem,6vw,6rem); }
.hero-copy { position: relative; z-index: 2; padding-block: clamp(3rem,7vw,6.5rem); }
.treatment-mark { display: inline-flex; align-items: center; gap: .7rem; margin-bottom: 1.2rem; color: var(--accent); font-size: .65rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.treatment-mark::before { width: 2.6rem; height: 1px; background: currentColor; content: ""; }
.hero h1 { max-width: 12ch; margin-bottom: 1.3rem; font-size: clamp(3.2rem,6vw,5.4rem); font-weight: 400; }
.hero-lead { max-width: 38rem; margin-bottom: 1.7rem; color: rgba(255,255,255,.79); font-size: 1.05rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.hero-media { position: relative; z-index: 2; margin: 0; overflow: hidden; border: 1px solid rgba(255,255,255,.18); border-radius: 18px; background: var(--forest-deep); }
.hero-media img { aspect-ratio: 4/3; object-fit: cover; }
.hero-media figcaption { position: absolute; right: 1rem; bottom: 1rem; left: 1rem; padding: .8rem 1rem; color: #fff; background: rgba(10,35,29,.86); font-size: .7rem; letter-spacing: .05em; }
.section { padding-block: clamp(4.5rem,8vw,7rem); }
.eyebrow { margin-bottom: .8rem; color: var(--forest); font-size: .66rem; font-weight: 750; letter-spacing: .15em; text-transform: uppercase; }
.promise-grid, .offer-grid, .faq-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(2rem,7vw,7rem); }
.promise-grid h2, .offer-panel h2, .faq-layout h2, .trace-head h2 { font-size: clamp(2.5rem,4.5vw,4.4rem); }
.promise-copy { max-width: 43rem; color: var(--muted); }
.promise-copy strong { color: var(--forest); }
.care-note { margin-top: 1.5rem; padding: 1rem 1.1rem; border-left: 3px solid var(--accent); color: var(--muted); background: var(--oyster); font-size: .82rem; }
.trace-section { background: var(--oyster); }
.trace-head { max-width: 48rem; margin-bottom: 2.5rem; }
.trace { display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trace article { position: relative; padding: 2rem 1.5rem; border-right: 1px solid var(--line); }
.trace article:last-child { border-right: 0; }
.trace span { display: block; margin-bottom: 1.2rem; color: var(--forest); font-size: .65rem; font-weight: 750; letter-spacing: .12em; }
.trace span::first-letter { color: var(--accent); }
.trace h3 { font-size: 1.7rem; }
.trace p { margin: 0; color: var(--muted); font-size: .86rem; }
.result-section { background: var(--accent-soft); }
.result-grid { display: grid; grid-template-columns: minmax(20rem,.9fr) minmax(0,1.1fr); align-items: center; gap: clamp(2rem,6vw,5rem); }
.result-figure { margin: 0; overflow: hidden; border: 1px solid rgba(20,47,41,.14); border-radius: 16px; background: #fff; }
.result-figure img { aspect-ratio: 3/2; object-fit: cover; }
.result-figure figcaption { padding: .8rem 1rem; color: var(--muted); font-size: .7rem; }
.result-copy h2 { max-width: 12ch; font-size: clamp(2.5rem,4.5vw,4.2rem); }
.result-copy ul { display: grid; gap: .8rem; margin: 1.5rem 0 0; padding: 0; list-style: none; }
.result-copy li { padding-bottom: .8rem; border-bottom: 1px solid rgba(20,47,41,.16); color: var(--forest); font-weight: 650; }
.offer { background: var(--mist); }
.offer-panel { padding: clamp(2rem,4vw,3.5rem); color: #fff; background: var(--forest-deep); border-radius: 16px; }
.price { display: flex; flex-wrap: wrap; align-items: baseline; gap: .65rem; margin: 1rem 0; }
.price del { color: rgba(255,255,255,.56); font-size: 1.1rem; }
.price strong { font-family: var(--display); font-size: 3rem; }
.price span { color: var(--accent); font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.offer-panel p { color: rgba(255,255,255,.76); }
.offer-facts { display: grid; gap: .9rem; margin: 0; padding: 0; list-style: none; }
.offer-facts li { padding-bottom: .9rem; border-bottom: 1px solid var(--line); }
.offer-facts strong { display: block; color: var(--forest); }
.offer-facts span { color: var(--muted); font-size: .86rem; }
.faq-layout h2 { max-width: 11ch; }
.faq-list details { border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
summary { padding: 1.25rem 0; cursor: pointer; color: var(--forest); font-weight: 700; }
.faq-list p { padding: 0 0 1.25rem; color: var(--muted); }
.site-footer { padding-block: 2rem; color: rgba(255,255,255,.72); background: var(--forest-deep); font-size: .72rem; }
.footer-row { display: flex; justify-content: space-between; gap: 2rem; }
.footer-row nav { display: flex; flex-wrap: wrap; gap: 1.2rem; }

@media (max-width: 860px) {
  .nav-links a:not(.button) { display: none; }
  .hero-grid, .promise-grid, .result-grid, .offer-grid, .faq-layout { grid-template-columns: 1fr; }
  .hero-grid { min-height: auto; padding-block: 2.5rem 4rem; }
  .hero-copy { padding-block: 1rem; }
  .hero h1 { font-size: clamp(3rem,13vw,4.1rem); }
  .trace { grid-template-columns: repeat(2,1fr); }
  .trace article:nth-child(2) { border-right: 0; }
  .trace article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .footer-row { display: grid; }
  .offer-panel { padding: 1.5rem; }
}

@media (max-width: 520px) {
  .shell { width: min(calc(100% - 1.5rem), var(--shell)); }
  .announcement { padding-inline: .5rem; font-size: .58rem; letter-spacing: .04em; line-height: 1.45; }
  .nav-row { min-height: 4.75rem; }
  .wordmark-main { font-size: .92rem; }
  .nav-row { gap: .5rem; }
  .nav-links .button { min-height: 2.8rem; padding-inline: .65rem; font-size: .58rem; }
  .hero-actions .button { width: 100%; }
  .trace { grid-template-columns: 1fr; }
  .trace article, .trace article:nth-child(2) { border-right: 0; border-bottom: 1px solid var(--line); }
  .trace article:last-child { border-bottom: 0; }
  .result-grid { grid-template-columns: minmax(0,1fr); }
}

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