:root {
  --ink: #13211c;
  --ink-soft: #4d5b56;
  --paper: #f5f3ed;
  --white: #fffef9;
  --line: #d8ddd8;
  --green: #174d3d;
  --green-bright: #63c796;
  --orange: #f39a38;
  --orange-soft: #fff0dc;
  --radius: 22px;
  --shadow: 0 24px 70px rgba(19, 33, 28, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "DM Sans", sans-serif; line-height: 1.65; -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
a { color: inherit; }
img { max-width: 100%; display: block; }
button, input { font: inherit; }
.shell { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.progress { position: fixed; inset: 0 0 auto; height: 3px; z-index: 100; background: transparent; }
.progress span { display: block; height: 100%; width: 0; background: var(--orange); }

.site-header { position: sticky; top: 0; z-index: 50; background: rgba(245,243,237,.88); border-bottom: 1px solid rgba(19,33,28,.08); backdrop-filter: blur(16px); }
.header-inner { height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; line-height: 1; }
.brand-mark { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: var(--ink); color: var(--orange); font: 800 20px/1 "Manrope", sans-serif; }
.brand > span:last-child { display: flex; flex-direction: column; gap: 4px; }
.brand strong { font: 800 14px/1 "Manrope", sans-serif; letter-spacing: .14em; }
.brand small { font-size: 11px; color: var(--ink-soft); }
.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav a { text-decoration: none; font-weight: 600; font-size: 14px; transition: color .2s ease; }
.main-nav a:hover { color: var(--orange); }
.main-nav .nav-cta { padding: 10px 17px; border: 1px solid var(--ink); border-radius: 999px; }
.menu-toggle { display: none; border: 0; padding: 10px; background: transparent; }
.menu-toggle > span:not(.sr-only) { display: block; width: 24px; height: 2px; margin: 5px 0; background: var(--ink); transition: .2s ease; }

.hero { position: relative; min-height: 680px; display: grid; align-items: center; overflow: hidden; background: linear-gradient(130deg, #f5f3ed 54%, #e8eee8 54%); }
.hero-grid { display: grid; grid-template-columns: 1.12fr .88fr; align-items: center; gap: 80px; padding-block: 90px 110px; }
.eyebrow { margin: 0 0 18px; color: var(--green); font: 700 12px/1.2 "Manrope", sans-serif; letter-spacing: .14em; text-transform: uppercase; display: flex; align-items: center; gap: 10px; }
.eyebrow span { width: 28px; height: 2px; background: var(--orange); }
.hero h1 { max-width: 760px; margin: 0; font: 800 clamp(48px, 6vw, 84px)/.98 "Manrope", sans-serif; letter-spacing: -.055em; }
.hero h1 em { color: var(--green); font-style: normal; }
.hero-lead { max-width: 650px; margin: 30px 0 0; font-size: clamp(18px, 2vw, 21px); color: var(--ink-soft); line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: 16px; padding: 0 23px; border-radius: 999px; text-decoration: none; font-weight: 700; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--ink); color: white; }
.button-primary span { color: var(--orange); font-size: 22px; }
.button-ghost { border: 1px solid var(--line); background: rgba(255,255,255,.52); }
.archive-note { margin: 24px 0 0; display: flex; align-items: center; gap: 10px; color: #6c7773; font-size: 13px; }
.archive-note span { width: 20px; height: 20px; display: grid; place-items: center; border: 1px solid #a8b0ac; border-radius: 50%; font-weight: 700; }
.hero-visual { position: relative; display: grid; place-items: center; min-height: 440px; }
.visual-card { width: min(100%, 410px); min-height: 420px; display: flex; flex-direction: column; justify-content: space-between; padding: 34px; border: 1px solid rgba(19,33,28,.1); border-radius: 34px; background: rgba(255,254,249,.82); box-shadow: var(--shadow); transform: rotate(2deg); }
.visual-label { font-size: 11px; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; color: var(--ink-soft); }
.visual-card img { width: 100%; image-rendering: auto; mix-blend-mode: multiply; transform: scale(1.15); }
.visual-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.visual-meta div { padding-top: 15px; border-top: 1px solid var(--line); }
.visual-meta strong { display: block; font: 800 30px/1 "Manrope", sans-serif; }
.visual-meta span { display: block; margin-top: 7px; font-size: 12px; color: var(--ink-soft); }
.floating-chip { position: absolute; z-index: 2; background: var(--ink); color: white; border-radius: 14px; padding: 14px 18px; font-weight: 700; box-shadow: 0 16px 40px rgba(19,33,28,.16); }
.chip-top { top: 42px; right: -5px; display: flex; align-items: center; gap: 9px; }
.chip-top span { width: 8px; height: 8px; border-radius: 50%; background: var(--green-bright); box-shadow: 0 0 0 5px rgba(99,199,150,.15); }
.chip-bottom { left: -18px; bottom: 58px; color: var(--orange); font: 800 20px/1.1 "Manrope", sans-serif; }
.chip-bottom small { display: block; margin-top: 4px; color: white; font: 500 10px/1.2 "DM Sans", sans-serif; letter-spacing: .1em; text-transform: uppercase; }
.hero-orb { position: absolute; border-radius: 50%; filter: blur(2px); pointer-events: none; }
.hero-orb-one { width: 320px; height: 320px; right: -180px; top: -120px; border: 70px solid rgba(243,154,56,.16); }
.hero-orb-two { width: 110px; height: 110px; left: 45%; bottom: -50px; background: rgba(99,199,150,.2); }

.section { padding-block: 112px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 60px; margin-bottom: 52px; }
.section-heading h2 { margin: 0; max-width: 720px; font: 800 clamp(36px, 5vw, 58px)/1.06 "Manrope", sans-serif; letter-spacing: -.045em; }
.section-heading > p { max-width: 450px; margin: 0 0 4px; color: var(--ink-soft); }
.choice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.choice-card { min-height: 390px; display: flex; flex-direction: column; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,254,249,.66); transition: transform .25s ease, box-shadow .25s ease; }
.choice-card:hover { transform: translateY(-7px); box-shadow: var(--shadow); }
.choice-card-accent { background: var(--green); color: white; border-color: var(--green); transform: translateY(-18px); }
.choice-card-accent:hover { transform: translateY(-25px); }
.card-number { color: var(--orange); font: 800 13px "Manrope", sans-serif; }
.card-kicker { margin: auto 0 7px; font-size: 12px; text-transform: uppercase; letter-spacing: .11em; color: var(--ink-soft); }
.choice-card-accent .card-kicker { color: rgba(255,255,255,.62); }
.choice-card h3 { margin: 0 0 18px; font: 800 29px/1.15 "Manrope", sans-serif; }
.choice-card p:not(.card-kicker) { margin: 0; color: var(--ink-soft); }
.choice-card-accent p:not(.card-kicker) { color: rgba(255,255,255,.76); }
.choice-card a { display: flex; justify-content: space-between; align-items: center; margin-top: 28px; padding-top: 17px; border-top: 1px solid var(--line); font-weight: 700; text-decoration: none; }
.choice-card-accent a { border-color: rgba(255,255,255,.18); }
.choice-card a span { color: var(--orange); font-size: 20px; }

.section-dark { color: white; background: var(--ink); }
.eyebrow-light { color: var(--green-bright); }
.section-heading-light > p { color: rgba(255,255,255,.62); }
.compare-panel { display: grid; grid-template-columns: 1fr 84px 1fr; border: 1px solid rgba(255,255,255,.13); border-radius: 30px; overflow: hidden; }
.compare-column { padding: 52px; }
.compare-column-highlight { background: rgba(99,199,150,.08); }
.compare-tag { display: inline-flex; margin: 0 0 24px; padding: 7px 12px; border: 1px solid rgba(255,255,255,.2); border-radius: 999px; color: var(--green-bright); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; }
.compare-column h3 { margin: 0 0 20px; font: 800 31px "Manrope", sans-serif; }
.compare-column > p:not(.compare-tag) { min-height: 83px; color: rgba(255,255,255,.65); }
.compare-divider { display: grid; place-items: center; position: relative; }
.compare-divider::before { content: ""; position: absolute; width: 1px; height: 100%; background: rgba(255,255,255,.13); }
.compare-divider span { z-index: 1; width: 48px; height: 48px; display: grid; place-items: center; border-radius: 50%; background: var(--orange); color: var(--ink); font-weight: 800; }
.feature-list { list-style: none; margin: 34px 0 0; padding: 0; }
.feature-list li { display: flex; gap: 12px; padding-block: 12px; border-bottom: 1px solid rgba(255,255,255,.09); }
.feature-list li span { color: var(--green-bright); font-weight: 800; }
.feature-list li.muted { color: rgba(255,255,255,.48); }
.feature-list li.muted span { color: var(--orange); }

.parameters { padding-bottom: 132px; }
.parameter-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.parameter-list li { display: grid; grid-template-columns: 90px 1fr; gap: 22px; align-items: center; padding: 25px 10px; border-bottom: 1px solid var(--line); transition: background .2s ease, padding .2s ease; }
.parameter-list li:hover { background: rgba(255,255,255,.52); padding-inline: 22px; }
.parameter-list li > span { color: var(--orange); font: 800 12px "Manrope", sans-serif; }
.parameter-list p { display: grid; grid-template-columns: 270px 1fr; margin: 0; color: var(--ink-soft); }
.parameter-list strong { color: var(--ink); font: 700 18px "Manrope", sans-serif; }

.topics { background: var(--white); }
.search-wrap { min-width: 280px; position: relative; }
.search-wrap input { width: 100%; height: 50px; padding: 0 48px 0 19px; border: 1px solid var(--line); border-radius: 999px; outline: none; background: var(--paper); }
.search-wrap input:focus { border-color: var(--green); box-shadow: 0 0 0 4px rgba(23,77,61,.08); }
.search-wrap > span { position: absolute; right: 18px; top: 50%; transform: translateY(-54%); font-size: 24px; }
.topic-layout { display: grid; grid-template-columns: 255px minmax(0, 1fr); gap: 70px; align-items: start; }
.topic-index { position: sticky; top: 108px; padding: 25px; border: 1px solid var(--line); border-radius: 18px; background: var(--paper); }
.topic-index > p { margin: 0 0 15px; color: var(--ink-soft); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .15em; }
.topic-index a { display: flex; gap: 12px; padding: 10px 0; text-decoration: none; font-size: 14px; font-weight: 600; color: var(--ink-soft); }
.topic-index a:hover, .topic-index a.active { color: var(--green); }
.topic-index a span { color: var(--orange); font-size: 11px; }
.article-stack { min-width: 0; }
.guide-article { padding: 44px 0 72px; border-top: 1px solid var(--line); }
.guide-article:first-child { border-top: 0; padding-top: 0; }
.guide-article[hidden] { display: none; }
.guide-article header { display: flex; align-items: flex-start; gap: 22px; margin-bottom: 25px; }
.guide-article header > span { flex: 0 0 auto; width: 46px; height: 46px; display: grid; place-items: center; border-radius: 13px; background: var(--orange-soft); color: #9a5112; font: 800 12px "Manrope", sans-serif; }
.guide-article header p { margin: 0 0 4px; color: var(--green); font-size: 11px; font-weight: 700; letter-spacing: .11em; text-transform: uppercase; }
.guide-article h2 { margin: 0; font: 800 clamp(27px, 4vw, 39px)/1.15 "Manrope", sans-serif; letter-spacing: -.035em; }
.article-lead { margin: 0 0 30px; font-size: 20px; line-height: 1.55; color: var(--ink-soft); }
.article-body { font-size: 16px; color: #35433e; }
.article-body p { margin: 0 0 21px; }
.article-body h3 { margin: 38px 0 15px; color: var(--ink); font: 800 22px/1.25 "Manrope", sans-serif; }
.article-body ol, .article-body ul { margin: 14px 0 28px; padding-left: 22px; }
.article-body li { margin: 9px 0; padding-left: 5px; }
.article-body li::marker { color: var(--orange); font-weight: 700; }
.article-body blockquote { margin: 30px 0; padding: 24px 28px; border-left: 4px solid var(--orange); background: var(--paper); font: 700 20px/1.5 "Manrope", sans-serif; }
.tip { margin: 30px 0 0; padding: 22px 24px; border-radius: 14px; background: #e8f4ed; border: 1px solid #cee5d7; color: var(--ink); }
.tip strong { font: 700 16px "Manrope", sans-serif; }
.tip p { margin: 5px 0 0; color: var(--ink-soft); }
.tip-warning { background: var(--orange-soft); border-color: #f1d1a8; }
.substance-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 20px; }
.substance-grid p { display: flex; align-items: center; gap: 15px; margin: 0; padding: 17px; border: 1px solid var(--line); border-radius: 12px; }
.substance-grid strong { width: 44px; color: var(--green); font: 800 15px "Manrope", sans-serif; }
.substance-grid span { font-size: 14px; }
.accessory-columns { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
.accessory-columns > div { padding: 24px; border: 1px solid var(--line); border-radius: 15px; }
.accessory-columns h3 { margin-top: 0; }
.accessory-columns ul { margin-bottom: 0; }
.no-results { padding: 44px; border-radius: 18px; background: var(--paper); text-align: center; color: var(--ink-soft); }

.source-section { background: var(--white); padding-top: 0; }
.source-card { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; padding: 70px; border-radius: 28px; background: var(--green); color: white; }
.source-card h2 { margin: 0; font: 800 clamp(36px, 4vw, 54px)/1.08 "Manrope", sans-serif; letter-spacing: -.04em; }
.source-card > div:last-child { align-self: end; }
.source-card > div:last-child p { color: rgba(255,255,255,.72); }
.source-card a { display: inline-flex; gap: 25px; margin-top: 18px; padding-bottom: 5px; border-bottom: 1px solid rgba(255,255,255,.5); text-decoration: none; font-weight: 700; }
.source-card a span { color: var(--orange); }

.site-footer { padding: 55px 0; background: var(--ink); color: white; border-top: 1px solid rgba(255,255,255,.1); }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; gap: 30px; }
.brand-footer .brand-mark { background: white; color: var(--green); }
.brand-footer small { color: rgba(255,255,255,.55); }
.footer-grid > p { margin: 0; color: rgba(255,255,255,.72); text-align: center; font-size: 14px; }
.footer-grid > p small { color: rgba(255,255,255,.42); }
.footer-grid nav { display: flex; justify-content: flex-end; gap: 20px; }
.footer-grid nav a { text-decoration: none; font-size: 13px; color: rgba(255,255,255,.72); }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: none; }
.delay-one { transition-delay: .1s; }
.delay-two { transition-delay: .2s; }

@media (max-width: 960px) {
  .hero { background: linear-gradient(155deg, #f5f3ed 60%, #e8eee8 60%); }
  .hero-grid { grid-template-columns: 1fr; gap: 35px; padding-block: 75px; }
  .hero-copy { max-width: 760px; }
  .hero-visual { min-height: 380px; }
  .visual-card { min-height: 350px; }
  .choice-grid { grid-template-columns: 1fr; }
  .choice-card { min-height: 280px; }
  .choice-card-accent { transform: none; }
  .choice-card-accent:hover { transform: translateY(-7px); }
  .compare-column { padding: 38px; }
  .topic-layout { grid-template-columns: 1fr; gap: 35px; }
  .topic-index { position: static; display: grid; grid-template-columns: repeat(2, 1fr); }
  .topic-index > p { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .shell { width: min(100% - 32px, 1180px); }
  .header-inner { height: 68px; }
  .menu-toggle { display: block; z-index: 2; }
  .menu-toggle[aria-expanded="true"] > span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] > span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] > span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .main-nav { position: fixed; inset: 68px 0 auto; display: none; align-items: stretch; flex-direction: column; gap: 0; padding: 20px 16px 28px; background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: 0 20px 40px rgba(19,33,28,.12); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 14px 10px; }
  .main-nav .nav-cta { margin-top: 8px; text-align: center; }
  .hero { min-height: auto; }
  .hero-grid { padding-block: 64px; }
  .hero h1 { font-size: clamp(43px, 13vw, 64px); }
  .hero-lead { font-size: 17px; }
  .hero-visual { min-height: 330px; }
  .visual-card { min-height: 310px; padding: 27px; }
  .visual-card img { transform: scale(1.05); }
  .chip-top { right: -3px; top: 25px; }
  .chip-bottom { left: -4px; bottom: 38px; }
  .section { padding-block: 78px; }
  .section-heading { display: block; margin-bottom: 38px; }
  .section-heading > p { margin-top: 18px; }
  .search-wrap { margin-top: 25px; min-width: 0; }
  .compare-panel { grid-template-columns: 1fr; }
  .compare-divider { height: 70px; }
  .compare-divider::before { width: 100%; height: 1px; }
  .compare-column { padding: 30px; }
  .compare-column > p:not(.compare-tag) { min-height: auto; }
  .parameter-list li { grid-template-columns: 45px 1fr; padding-inline: 0; }
  .parameter-list li:hover { padding-inline: 8px; }
  .parameter-list p { display: block; }
  .parameter-list strong { display: block; margin-bottom: 5px; }
  .topic-index { display: flex; gap: 10px; overflow-x: auto; padding: 12px; scrollbar-width: none; }
  .topic-index::-webkit-scrollbar { display: none; }
  .topic-index > p { display: none; }
  .topic-index a { flex: 0 0 auto; padding: 9px 12px; border: 1px solid var(--line); border-radius: 999px; background: white; }
  .guide-article { padding-bottom: 58px; }
  .guide-article header { gap: 14px; }
  .guide-article header > span { width: 40px; height: 40px; }
  .article-lead { font-size: 18px; }
  .substance-grid, .accessory-columns { grid-template-columns: 1fr; }
  .source-card { grid-template-columns: 1fr; gap: 35px; padding: 42px 28px; }
  .footer-grid { grid-template-columns: 1fr; text-align: center; }
  .brand-footer { margin-inline: auto; }
  .footer-grid nav { justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  .reveal { opacity: 1; transform: none; }
}