/*
Theme Name: 장비판단 MVP
Theme URI: https://example.invalid/gear-check
Author: Haesung Company
Description: 고가 장비 구매 전 조건을 계산하는 독립 콘텐츠 MVP 테마입니다.
Version: 0.1.0
Text Domain: gear-check
*/

:root {
  --surface-primary: #f7f7f4;
  --surface-secondary: #ffffff;
  --surface-elevated: #eceeed;
  --text-primary: #17191b;
  --text-secondary: #555c62;
  --text-tertiary: #626a70;
  --border-default: #17191b;
  --border-subtle: #c9ced1;
  --accent-primary: #0759d8;
  --accent-hover: #0648ad;
  --text-on-accent: #ffffff;
  --status-success: #176b42;
  --status-error: #b42318;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --content-width: 1280px;
  --reading-width: 960px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --surface-primary: #151719;
    --surface-secondary: #1e2124;
    --surface-elevated: #282c30;
    --text-primary: #f4f5f2;
    --text-secondary: #b9c0c5;
    --text-tertiary: #a2aab0;
    --border-default: #f4f5f2;
    --border-subtle: #41474d;
    --accent-primary: #77aaff;
    --accent-hover: #a2c5ff;
    --text-on-accent: #101214;
    --status-success: #71d59e;
    --status-error: #ff9a91;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text-primary);
  background: var(--surface-primary);
  font-family: Pretendard, "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  word-break: keep-all;
}
.keep-together { white-space: nowrap; }
img { display: block; width: 100%; height: auto; }
a { color: var(--accent-primary); text-underline-offset: 0.2em; }
a:hover { color: var(--accent-hover); }
button, input { font: inherit; }
:focus-visible { outline: 3px solid var(--accent-primary); outline-offset: 3px; }
.site-shell { width: min(100% - 32px, var(--content-width)); margin-inline: auto; }
.skip-link { position: absolute; left: var(--space-4); top: -80px; z-index: 20; padding: var(--space-3); background: var(--surface-secondary); border: 2px solid var(--border-default); }
.skip-link:focus { top: var(--space-4); }

.site-header { border-bottom: 2px solid var(--border-default); background: var(--surface-primary); }
.masthead { display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); min-height: 72px; }
.site-brand { color: var(--text-primary); font-size: 1.35rem; font-weight: 800; letter-spacing: -0.04em; text-decoration: none; }
.site-brand span { color: var(--accent-primary); }
.site-nav { display: flex; flex-wrap: wrap; gap: var(--space-5); }
.site-nav a { display: inline-flex; min-height: 44px; align-items: center; color: var(--text-primary); font-size: 0.875rem; font-weight: 700; text-decoration: none; }
.site-nav a:hover { text-decoration: underline; text-decoration-thickness: 2px; }
.affiliate-notice { margin: 0; padding-block: var(--space-3); border-bottom: 1px solid var(--border-subtle); color: var(--text-secondary); font-size: 0.875rem; }
.affiliate-notice .site-shell { display: block; }

.hero { display: grid; grid-template-columns: minmax(0, 5fr) minmax(400px, 7fr); gap: clamp(32px, 5vw, 80px); align-items: start; padding-block: clamp(48px, 8vw, 96px); }
.hero-copy { position: sticky; top: var(--space-8); padding-top: var(--space-2); }
.overline { margin: 0 0 var(--space-4); color: var(--accent-primary); font-size: 0.75rem; font-weight: 800; letter-spacing: 0.08em; }
.hero h1 { max-width: 10ch; margin: 0; font-size: clamp(2.25rem, 4vw, 3.6rem); font-weight: 850; letter-spacing: -0.055em; line-height: 1.05; }
.hero-lead { max-width: 34rem; margin: var(--space-6) 0 0; color: var(--text-secondary); font-size: 1.125rem; font-weight: 500; }
.formula-note { margin: var(--space-8) 0 0; padding-top: var(--space-4); border-top: 1px solid var(--border-subtle); color: var(--text-secondary); font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.8rem; }
.review-meta { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-4); margin: var(--space-5) 0 0; padding: var(--space-3) 0; border-top: 1px solid var(--border-subtle); border-bottom: 1px solid var(--border-subtle); color: var(--text-tertiary); font-size: 0.75rem; font-weight: 650; }
.review-meta span + span::before { content: "/"; margin-right: var(--space-4); color: var(--border-subtle); }

.decision-calculator { background: var(--surface-secondary); border: 2px solid var(--border-default); }
.calculator-heading { display: grid; grid-template-columns: 1fr auto; gap: var(--space-4); align-items: start; padding: var(--space-6); border-bottom: 1px solid var(--border-default); }
.calculator-heading h2 { margin: 0; font-size: clamp(1.5rem, 3vw, 2.25rem); line-height: 1.2; letter-spacing: -0.035em; }
.calculator-heading p { margin: var(--space-2) 0 0; color: var(--text-secondary); }
.calculator-code { color: var(--text-tertiary); font: 700 0.75rem/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: 0.03em; }
.calculator-form { padding: var(--space-6); }
.input-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-3); }
.field label { display: block; margin-bottom: var(--space-2); font-size: 0.875rem; font-weight: 750; }
.field input { width: 100%; min-height: 52px; padding: 0 var(--space-3); color: var(--text-primary); background: var(--surface-primary); border: 1px solid var(--border-default); border-radius: 0; }
.field input[aria-invalid="true"] { border: 2px solid var(--status-error); }
.field-unit { color: var(--text-tertiary); font-size: 0.75rem; }
.button-primary { width: 100%; min-height: 52px; margin-top: var(--space-4); padding: var(--space-3) var(--space-5); color: var(--text-on-accent); background: var(--accent-primary); border: 2px solid var(--accent-primary); border-radius: 0; cursor: pointer; font-weight: 800; transition: background-color 120ms ease-out, border-color 120ms ease-out, transform 120ms ease-out; }
.button-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.button-primary:active { transform: translateY(1px); }
.button-primary:disabled { cursor: not-allowed; opacity: 0.5; transform: none; }
.form-error { min-height: 1.5em; margin: var(--space-3) 0 0; color: var(--status-error); font-size: 0.875rem; font-weight: 700; }
.calculator-result { display: grid; grid-template-columns: 1.5fr 1fr; gap: var(--space-4); padding: var(--space-6); background: var(--surface-elevated); border-top: 1px solid var(--border-default); }
.result-label { display: block; color: var(--text-secondary); font-size: 0.75rem; font-weight: 800; letter-spacing: 0.06em; }
.result-value { display: block; margin-top: var(--space-2); color: var(--accent-primary); font: 800 clamp(2.5rem, 8vw, 5.5rem)/0.95 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: -0.08em; }
.result-value small { font-size: 0.22em; letter-spacing: 0; }
.result-summary { align-self: end; }
.result-grade { margin: 0; color: var(--status-success); font-weight: 800; }
.result-detail { margin: var(--space-2) 0 0; color: var(--text-secondary); font-size: 0.875rem; }

.review-shell { width: min(100% - 32px, var(--reading-width)); margin-inline: auto; }
.review-figure { margin: 0; border: 1px solid var(--border-default); background: var(--surface-secondary); }
.review-figure img { aspect-ratio: 4 / 3; object-fit: cover; }
.review-figure figcaption { padding: var(--space-3) var(--space-4); border-top: 1px solid var(--border-subtle); color: var(--text-tertiary); font-size: 0.75rem; }
.verdict-card { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); margin-top: var(--space-8); border: 2px solid var(--border-default); background: var(--surface-secondary); }
.verdict-lead { padding: var(--space-8); border-right: 1px solid var(--border-default); }
.verdict-lead h2 { max-width: 15ch; margin: 0; font-size: clamp(1.75rem, 4vw, 3.5rem); line-height: 1.1; letter-spacing: -0.045em; text-wrap: balance; }
.verdict-lead p { max-width: 65ch; margin: var(--space-5) 0 0; color: var(--text-secondary); font-size: 1.125rem; }
.verdict-points { display: grid; align-content: start; }
.verdict-point { padding: var(--space-6); }
.verdict-point + .verdict-point { border-top: 1px solid var(--border-default); }
.verdict-point h3 { margin: 0 0 var(--space-3); font-size: 1.25rem; line-height: 1.3; letter-spacing: -0.015em; }
.verdict-point ul { margin: 0; padding-left: var(--space-5); color: var(--text-secondary); }
.verdict-point li + li { margin-top: var(--space-2); }

.comparison-table-wrap { overflow-x: auto; margin-top: var(--space-6); border-top: 1px solid var(--border-default); border-left: 1px solid var(--border-default); background: var(--surface-secondary); }
.comparison-table { width: 100%; min-width: 640px; border-collapse: collapse; }
.comparison-table caption { padding: var(--space-3) var(--space-4); color: var(--text-tertiary); font-size: 0.75rem; text-align: left; caption-side: bottom; }
.comparison-table th, .comparison-table td { padding: var(--space-3) var(--space-4); border-right: 1px solid var(--border-default); border-bottom: 1px solid var(--border-default); text-align: left; }
.comparison-table thead th { background: var(--surface-elevated); font-size: 0.875rem; }
.comparison-table tbody th { font-size: 0.875rem; }
.comparison-table td { color: var(--text-secondary); font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.875rem; font-variant-numeric: tabular-nums; }
.comparison-hint { display: none; margin: var(--space-2) 0 0; color: var(--text-tertiary); font-size: 0.75rem; }
.review-copy { max-width: 65ch; }
.review-copy p { margin: 0; color: var(--text-secondary); font-size: 1.125rem; }
.review-copy p + p { margin-top: var(--space-5); }
.review-notes { margin: 0; padding: 0; border-top: 2px solid var(--border-default); list-style: none; }
.review-note { display: grid; grid-template-columns: var(--space-20) minmax(0, 1fr); gap: var(--space-6); padding: var(--space-6) 0 var(--space-8); border-bottom: 1px solid var(--border-default); }
.review-note-index { padding-top: var(--space-1); color: var(--accent-primary); font: 800 0.875rem/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.review-note h3 { margin: 0; font-size: 1.25rem; line-height: 1.3; letter-spacing: -0.015em; }
.review-note p { max-width: 65ch; margin: var(--space-3) 0 0; color: var(--text-secondary); }
.bottom-line { margin: var(--space-8) 0 0; padding: var(--space-6); border-left: var(--space-1) solid var(--accent-primary); background: var(--surface-elevated); font-size: 1.125rem; }
.source-note { margin: var(--space-4) 0 0; color: var(--text-tertiary); font-size: 0.875rem; }

.section { padding-block: var(--space-16); border-top: 2px solid var(--border-default); }
.section-heading { display: grid; grid-template-columns: 1fr minmax(16rem, 0.6fr); gap: var(--space-8); align-items: end; margin-bottom: var(--space-8); }
.section-heading h2 { margin: 0; font-size: clamp(1.75rem, 4vw, 3.5rem); line-height: 1.1; letter-spacing: -0.045em; }
.section-heading p { margin: 0; color: var(--text-secondary); }
.editorial-grid { display: grid; grid-template-columns: repeat(12, 1fr); border-top: 1px solid var(--border-default); border-left: 1px solid var(--border-default); }
.editorial-card { grid-column: span 6; display: flex; flex-direction: column; min-width: 0; border-right: 1px solid var(--border-default); border-bottom: 1px solid var(--border-default); background: var(--surface-secondary); }
.editorial-card.feature { grid-column: span 6; }
.editorial-media { aspect-ratio: 4 / 3; overflow: hidden; border-bottom: 1px solid var(--border-default); background: var(--surface-elevated); }
.editorial-media img { height: 100%; object-fit: cover; }
.editorial-body { display: flex; flex: 1; flex-direction: column; padding: var(--space-5); }
.editorial-body h3 { margin: var(--space-2) 0; font-size: 1.3rem; line-height: 1.3; letter-spacing: -0.025em; }
.editorial-body p { margin: 0; color: var(--text-secondary); }
.sample-status { margin-top: auto; padding-top: var(--space-5); color: var(--text-tertiary); font-size: 0.8rem; font-weight: 700; }
.ad-slot { display: grid; place-items: center; min-height: 148px; margin-top: var(--space-8); padding: var(--space-6); border: 1px dashed var(--border-subtle); color: var(--text-tertiary); text-align: center; }
.ad-slot span { font: 800 0.7rem/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: 0.08em; }
.ad-slot p { margin: var(--space-2) 0 0; font-size: 0.875rem; }
.affiliate-slot { min-height: 148px; margin-top: var(--space-4); padding: var(--space-6); border: 1px solid var(--border-default); background: var(--surface-secondary); }
.affiliate-slot h2 { margin: 0; font-size: 1.25rem; line-height: 1.3; }
.affiliate-slot p:not(.overline) { max-width: 58ch; margin: var(--space-2) 0 0; color: var(--text-secondary); }
.text-link { display: inline-flex; min-height: 44px; align-items: center; margin-top: var(--space-3); font-weight: 800; }

.site-footer { padding-block: var(--space-10); border-top: 2px solid var(--border-default); }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-8); }
.footer-grid p { margin: 0; color: var(--text-secondary); font-size: 0.875rem; }
.footer-grid p:last-child { text-align: right; }
.content-page { max-width: 760px; min-height: 60vh; padding-block: var(--space-16); }
.content-page h1 { font-size: clamp(2rem, 5vw, 3.5rem); line-height: 1.1; letter-spacing: -0.04em; }

@media (max-width: 899px) {
  .hero { grid-template-columns: 1fr; }
  .hero-copy { position: static; }
  .hero-copy { grid-row: 1; }
  .decision-calculator { grid-row: 2; }
  .editorial-card, .editorial-card.feature { grid-column: span 6; }
}

@media (max-width: 639px) {
  .site-shell { width: min(100% - 24px, var(--content-width)); }
  .masthead { align-items: flex-start; flex-direction: column; gap: 0; padding-block: var(--space-3); }
  .site-nav { width: 100%; justify-content: space-between; gap: var(--space-2); }
  .hero { padding-block: var(--space-10); }
  .input-grid, .calculator-result, .section-heading, .footer-grid { grid-template-columns: 1fr; }
  .calculator-heading { grid-template-columns: 1fr; }
  .calculator-form, .calculator-heading, .calculator-result { padding: var(--space-4); }
  .editorial-card, .editorial-card.feature { grid-column: 1 / -1; }
  .footer-grid p:last-child { text-align: left; }
  .review-shell { width: min(100% - 24px, var(--reading-width)); }
  .review-meta { display: block; }
  .review-meta span { display: block; }
  .review-meta span + span { margin-top: var(--space-1); }
  .review-meta span + span::before { content: none; }
  .verdict-card { grid-template-columns: 1fr; }
  .verdict-lead { padding: var(--space-6); border-right: 0; border-bottom: 1px solid var(--border-default); }
  .verdict-point { padding: var(--space-5); }
  .comparison-hint { display: block; }
  .review-copy p { font-size: 1rem; }
  .review-note { grid-template-columns: 1fr; gap: var(--space-3); }
}

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