/* Shared reading layouts for DoseDyno's product and nutrition-estimation guides. */
:root {
  --content-cream: #f6f3eb;
  --content-paper: #fffdf8;
  --content-ink: #20201e;
  --content-muted: #625f58;
  --content-coral: #ee684c;
  --content-coral-dark: #ad3b23;
  --content-line: #ded9cc;
  --content-green: #dce6ce;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 6rem; }
body { margin: 0; background: var(--content-cream); color: var(--content-ink); font: 400 1rem/1.75 "DM Sans", "Noto Sans KR", system-ui, sans-serif; }
body:lang(ko) { word-break: keep-all; overflow-wrap: anywhere; }
a { color: inherit; text-underline-offset: .22em; }
a:hover { text-decoration-thickness: 2px; }
button, input { font: inherit; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p, ul, ol, figure { margin-top: 0; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -.035em; }
h1 { font-size: clamp(2.6rem, 5.5vw, 5.1rem); font-weight: 900; }
h2 { font-size: clamp(1.9rem, 3.1vw, 3rem); font-weight: 800; }
h3 { font-size: 1.25rem; font-weight: 800; }
body:lang(ko) h1 { line-height: 1.25; font-size: clamp(2.5rem, 4.8vw, 4.5rem); }
body:lang(ko) h2 { line-height: 1.35; }
p { margin-bottom: 1.2rem; }
li + li { margin-top: .6rem; }
:focus-visible { outline: 3px solid var(--content-coral-dark); outline-offset: 5px; }
.content-skip { position: fixed; z-index: 30; top: .8rem; left: 1rem; transform: translateY(-160%); padding: .8rem 1.2rem; background: var(--content-ink); color: white; }
.content-skip:focus { transform: none; }
.content-shell { width: min(1200px, calc(100% - 64px)); margin-inline: auto; }
.content-header { border-bottom: 1px solid var(--content-line); }
.content-header-inner { min-height: 92px; display: flex; align-items: center; gap: 2.2rem; }
.content-brand { font-size: 1.6rem; font-weight: 900; letter-spacing: -.075em; text-decoration: none; white-space: nowrap; }
.content-brand span { color: var(--content-coral-dark); }
.content-header nav { margin-left: auto; display: flex; align-items: center; gap: 1.5rem; font-size: .875rem; font-weight: 700; }
.content-header nav a { text-decoration: none; }
.content-header nav a:hover { text-decoration: underline; }
.content-language { border-left: 1px solid var(--content-line); padding-left: 1.5rem; }
.content-button { display: inline-flex; align-items: center; justify-content: center; gap: .7rem; padding: .9rem 1.3rem; min-height: 48px; background: var(--content-ink); border: 1px solid var(--content-ink); border-radius: 999px; color: white; text-decoration: none; font-size: .95rem; font-weight: 700; line-height: 1.4; }
.content-button:hover { background: #393831; }
.content-button-secondary { color: var(--content-ink); background: transparent; }
.content-button-secondary:hover { background: var(--content-paper); }
.content-arrow { font-size: 1.25em; line-height: 1; }
.content-kicker { display: block; margin-bottom: 1.2rem; color: var(--content-coral-dark); font-size: .75rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.content-home-hero { display: grid; grid-template-columns: 1.15fr 1fr; align-items: center; gap: 4rem; padding-block: 78px 86px; }
.content-home-hero h1 { margin-bottom: 1.5rem; }
.content-home-hero h1 em { font-style: normal; color: var(--content-coral-dark); }
.content-lead { font-size: 1.15rem; line-height: 1.85; color: var(--content-muted); }
.content-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.8rem; }
.content-small { color: var(--content-muted); font-size: .8rem; line-height: 1.7; }
.content-platform { margin: 1rem 0 0; color: var(--content-muted); font-size: .85rem; }
.content-hero-visual { position: relative; padding-bottom: 1.5rem; }
.content-hero-visual img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 36px; }
.content-hero-note { position: relative; margin: -3.4rem 1.2rem 0; border: 1px solid var(--content-line); border-radius: 20px; background: var(--content-paper); padding: 1.3rem 1.5rem; box-shadow: 0 12px 30px #29251a0a; }
.content-hero-note b { display: block; margin-bottom: .6rem; font-size: 1.1rem; }
.content-tags { display: flex; flex-wrap: wrap; gap: .5rem; }
.content-tags span { font-size: .75rem; font-weight: 700; background: #eeeade; border-radius: 999px; padding: .35rem .65rem; }
.content-hero-visual figcaption { padding: .8rem 1.5rem 0; font-size: .72rem; color: var(--content-muted); }
.content-answer { padding: 2rem 2.3rem; background: var(--content-green); border-radius: 24px; }
.content-answer h2 { font-size: 1.35rem; margin-bottom: .8rem; letter-spacing: -.025em; }
.content-answer p:last-child { margin-bottom: 0; }
.content-section { padding-block: 84px; border-bottom: 1px solid var(--content-line); }
.content-section-heading { max-width: 720px; margin-bottom: 2.6rem; }
.content-section-heading h2 { margin-bottom: 1rem; }
.content-section-heading p { color: var(--content-muted); }
.content-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.content-card { border: 1px solid var(--content-line); border-radius: 24px; padding: 1.7rem; background: var(--content-paper); }
.content-card p { color: var(--content-muted); font-size: .95rem; }
.content-card p:last-child { margin-bottom: 0; }
.content-step { display: block; margin-bottom: 1.3rem; color: var(--content-coral-dark); font-size: .8rem; font-weight: 800; }
.content-split { display: grid; grid-template-columns: 1fr 1fr; align-items: start; gap: 4rem; }
.content-feature-photo { overflow: hidden; border-radius: 28px; }
.content-feature-photo img { aspect-ratio: 4/3; width: 100%; object-fit: cover; }
.content-feature-photo figcaption { padding: .8rem 0; color: var(--content-muted); font-size: .75rem; }
.content-note { padding: 1.5rem 1.8rem; margin-block: 1.6rem; border-left: 4px solid var(--content-coral); background: #efe9dc; border-radius: 0 14px 14px 0; }
.content-note p:last-child { margin-bottom: 0; }
.content-note strong { display: block; margin-bottom: .4rem; }
.content-table-wrap { overflow-x: auto; border: 1px solid var(--content-line); border-radius: 18px; background: var(--content-paper); }
.content-table { width: 100%; border-collapse: collapse; text-align: left; font-size: .95rem; }
.content-table caption { text-align: left; padding: 1.4rem; font-weight: 800; color: var(--content-ink); }
.content-table th, .content-table td { padding: 1rem 1.4rem; border-top: 1px solid var(--content-line); vertical-align: top; }
.content-table thead { background: #eae6da; }
.content-table th { font-weight: 800; }
.content-table tbody th { width: 45%; }
.content-table .content-pro { color: var(--content-coral-dark); }
.content-faq { border-top: 1px solid var(--content-line); }
.content-faq details { border-bottom: 1px solid var(--content-line); }
.content-faq summary { cursor: pointer; padding: 1.4rem 2.2rem 1.4rem 0; font-size: 1.05rem; font-weight: 700; list-style: none; position: relative; line-height: 1.6; }
.content-faq summary::-webkit-details-marker { display: none; }
.content-faq summary::after { content: "+"; position: absolute; right: .5rem; top: 1.4rem; font-size: 1.5rem; line-height: 1; color: var(--content-coral-dark); }
.content-faq details[open] summary::after { content: "−"; }
.content-faq details p { color: var(--content-muted); padding-right: 2rem; max-width: 800px; }
.content-cta { padding-block: 70px; display: flex; justify-content: space-between; align-items: center; gap: 2rem; }
.content-cta h2 { margin-bottom: .7rem; }
.content-cta p { margin-bottom: 0; color: var(--content-muted); }
.content-footer { background: #eae6db; border-top: 1px solid var(--content-line); padding-block: 2.5rem 3rem; font-size: .85rem; }
.content-footer-inner { display: flex; flex-wrap: wrap; gap: 1.5rem 3rem; align-items: start; justify-content: space-between; }
.content-footer p { margin-bottom: .4rem; }
.content-footer nav { display: flex; flex-wrap: wrap; gap: .8rem 1.5rem; max-width: 650px; }
.content-footer nav a, .content-footer nav button { font-size: .85rem; }
.content-footer [data-open-share] { padding: 0; border: 0; color: inherit; background: transparent; text-decoration: underline; text-underline-offset: .22em; cursor: pointer; }
.content-footer .content-small { margin-top: 1.7rem; }
.content-breadcrumb { display: flex; flex-wrap: wrap; gap: .5rem; font-size: .8rem; color: var(--content-muted); padding-block: 2.1rem 0; }
.content-guide-hero { max-width: 900px; padding-block: 3.2rem 3rem; }
.content-guide-hero h1 { font-size: clamp(2.5rem, 4.7vw, 4.4rem); }
body:lang(ko) .content-guide-hero h1 { font-size: clamp(2.35rem, 4.3vw, 4rem); }
.content-byline { margin-top: 1.5rem; font-size: .8rem; color: var(--content-muted); }
.content-reading-grid { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 4.5rem; padding-bottom: 5rem; }
.content-toc { align-self: start; position: sticky; top: 2rem; padding-top: .3rem; }
.content-toc h2 { font-size: .85rem; letter-spacing: 0; }
.content-toc ol { padding: 0; list-style: none; font-size: .85rem; }
.content-toc a { text-decoration: none; color: var(--content-muted); }
.content-toc a:hover { color: var(--content-coral-dark); text-decoration: underline; }
.content-article { min-width: 0; max-width: 820px; }
.content-article section { margin-top: 3.8rem; }
.content-article section:first-child { margin-top: 0; }
.content-article h2 { font-size: clamp(1.75rem, 2.8vw, 2.3rem); margin-bottom: 1.3rem; }
.content-article h3 { margin-top: 2rem; }
.content-article p, .content-article li { font-size: 1.02rem; }
.content-article .content-small { font-size: .8rem; }
.content-guide-steps { list-style: none; counter-reset: guide-step; padding-left: 0; }
.content-guide-steps li { position: relative; padding-left: 3rem; margin-block: 1.8rem; }
.content-guide-steps li::before { counter-increment: guide-step; content: counter(guide-step, decimal-leading-zero); position: absolute; top: 0; left: 0; color: var(--content-coral-dark); font-size: .8rem; font-weight: 800; }
.content-guide-steps strong { display: block; margin-bottom: .25rem; }
.content-guide-photo { margin-block: 1.7rem; }
.content-guide-photo img { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 20px; }
.content-guide-photo figcaption { padding-top: .6rem; color: var(--content-muted); font-size: .8rem; }
@media (max-width: 1000px) {
  .content-header-inner { gap: 1.3rem; }
  .content-header nav { gap: 1rem; }
  .content-home-hero { gap: 2rem; }
  .content-grid { gap: 1rem; }
  .content-card { padding: 1.4rem; }
  .content-split { gap: 2.5rem; }
  .content-reading-grid { grid-template-columns: 180px minmax(0, 1fr); gap: 2.5rem; }
}
@media (max-width: 760px) {
  .content-shell { width: calc(100% - 40px); }
  .content-header-inner { min-height: 0; padding-block: 1.1rem; flex-wrap: wrap; gap: 1rem; }
  .content-header nav { order: 3; width: 100%; margin: 0; flex-wrap: wrap; justify-content: space-between; gap: .8rem; font-size: .8rem; }
  .content-header-inner > .content-button { margin-left: auto; font-size: .8rem; padding: .7rem 1rem; min-height: 42px; }
  .content-language { padding-left: .8rem; }
  .content-home-hero { grid-template-columns: 1fr; padding-block: 3.2rem; gap: 2.7rem; }
  .content-home-hero h1 { max-width: 600px; }
  .content-hero-visual { max-width: 520px; margin-inline: auto; }
  .content-answer { padding: 1.5rem; }
  .content-section { padding-block: 3.5rem; }
  .content-section-heading { margin-bottom: 1.8rem; }
  .content-grid, .content-split { grid-template-columns: 1fr; }
  .content-card { padding: 1.7rem; }
  .content-step { margin-bottom: .8rem; }
  .content-split { gap: 1.7rem; }
  .content-cta { padding-block: 3rem; flex-direction: column; align-items: start; }
  .content-table { font-size: .8rem; }
  .content-table th, .content-table td { padding: .9rem .8rem; }
  .content-table tbody th { width: 40%; }
  .content-guide-hero { padding-block: 2.2rem 2rem; }
  .content-reading-grid { grid-template-columns: 1fr; gap: 2rem; padding-bottom: 3.5rem; }
  .content-toc { position: static; border-block: 1px solid var(--content-line); padding-block: 1.2rem; }
  .content-toc ol { display: flex; flex-wrap: wrap; gap: .6rem 1.2rem; margin-bottom: 0; }
  .content-toc li + li { margin-top: 0; }
  .content-article section { margin-top: 3rem; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }