/*
Theme Name: RIOT Guide
Theme URI: https://riotdetailing.com/
Author: RIOT DETAILING
Description: RIOT DETAILING 공식 가이드·매뉴얼 허브 전용 테마
 Version: 1.0.1
Text Domain: riot-guide
*/

:root {
  --riot-black: #080b09;
  --riot-panel: #111713;
  --riot-line: rgba(237, 244, 237, .17);
  --riot-white: #f6f8f4;
  --riot-muted: #aeb8af;
  --riot-lime: #a6ff00;
  --riot-lime-dark: #76b800;
  --riot-max: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--riot-black);
  color: var(--riot-white);
  font-family: "Pretendard", "Noto Sans KR", "Apple SD Gothic Neo", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.72;
  word-break: keep-all;
  overflow-wrap: anywhere;
}
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 4px; }
a:hover, a:focus { color: var(--riot-lime); }
img { display: block; max-width: 100%; height: auto; }

.riot-shell { width: min(var(--riot-max), calc(100% - 48px)); margin: 0 auto; }
.riot-skip-link { position: absolute; left: 12px; top: -64px; z-index: 100; background: var(--riot-lime); color: #071006; padding: 10px 14px; font-weight: 800; }
.riot-skip-link:focus { top: 12px; }
.riot-site-header { border-bottom: 1px solid var(--riot-line); background: rgba(8,11,9,.96); }
.riot-header-inner { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.riot-brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; color: var(--riot-white); font-weight: 900; letter-spacing: -.035em; font-size: 22px; white-space: nowrap; }
.riot-mark { width: 28px; height: 28px; display: grid; place-items: center; background: var(--riot-lime); color: #071006; font-size: 16px; transform: skewX(-12deg); }
.riot-mark > span { transform: skewX(12deg); }
.riot-brand small { color: var(--riot-lime); font-size: 11px; letter-spacing: .12em; font-weight: 800; }
.riot-primary-nav { display: flex; align-items: center; justify-content: flex-end; gap: 22px; flex-wrap: wrap; }
.riot-primary-nav a { color: var(--riot-muted); font-size: 14px; font-weight: 750; text-decoration: none; padding: 8px 0; }
.riot-primary-nav a:hover, .riot-primary-nav a:focus { color: var(--riot-white); }
.riot-primary-nav .is-cta { border: 1px solid var(--riot-lime); color: var(--riot-lime); padding: 8px 12px; }
.riot-primary-nav .is-cta:hover, .riot-primary-nav .is-cta:focus { background: var(--riot-lime); color: #071006; }

.riot-main { min-height: 62vh; }
.riot-hero { padding: 108px 0 80px; border-bottom: 1px solid var(--riot-line); background: radial-gradient(circle at 74% 18%, rgba(166,255,0,.17), transparent 32%), linear-gradient(135deg, #080b09 5%, #10170d 55%, #080b09); }
.riot-kicker { color: var(--riot-lime); font-size: 12px; letter-spacing: .13em; font-weight: 900; text-transform: uppercase; margin: 0 0 17px; }
.riot-hero h1, .riot-entry-header h1 { max-width: 900px; margin: 0; font-size: clamp(42px, 7vw, 92px); line-height: .98; letter-spacing: -.065em; font-weight: 900; }
.riot-hero h1 strong { color: var(--riot-lime); font-weight: 900; }
.riot-hero-lede { margin: 28px 0 0; max-width: 650px; color: var(--riot-muted); font-size: clamp(17px, 2.2vw, 21px); line-height: 1.68; }
.riot-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 35px; }
.riot-button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; padding: 12px 18px; border: 1px solid var(--riot-lime); background: var(--riot-lime); color: #071006; text-decoration: none; font-size: 14px; font-weight: 900; }
.riot-button:hover, .riot-button:focus { background: #ceff58; color: #071006; }
.riot-button--ghost { background: transparent; color: var(--riot-white); border-color: var(--riot-line); }
.riot-button--ghost:hover, .riot-button--ghost:focus { border-color: var(--riot-lime); color: var(--riot-lime); background: transparent; }

.riot-section { padding: 86px 0; }
.riot-section--line { border-top: 1px solid var(--riot-line); }
.riot-section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 28px; }
.riot-section-heading h2 { margin: 0; font-size: clamp(30px, 4vw, 48px); letter-spacing: -.05em; line-height: 1.13; }
.riot-section-heading p { max-width: 420px; color: var(--riot-muted); margin: 0; }
.riot-guide-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); border: 1px solid var(--riot-line); }
.riot-guide-card { display: flex; min-height: 242px; flex-direction: column; justify-content: space-between; gap: 22px; padding: 25px; border-right: 1px solid var(--riot-line); border-bottom: 1px solid var(--riot-line); text-decoration: none; background: transparent; }
.riot-guide-card:nth-child(4n) { border-right: 0; }
.riot-guide-card:nth-last-child(-n+4) { border-bottom: 0; }
.riot-guide-card:hover, .riot-guide-card:focus { background: var(--riot-panel); color: var(--riot-white); }
.riot-guide-card__number { color: var(--riot-lime); font-size: 13px; font-weight: 900; letter-spacing: .1em; }
.riot-guide-card h3 { margin: 0; font-size: 23px; letter-spacing: -.04em; line-height: 1.22; }
.riot-guide-card p { margin: 0; color: var(--riot-muted); font-size: 14px; line-height: 1.68; }
.riot-guide-card__arrow { color: var(--riot-lime); font-weight: 900; }
.riot-feature-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 28px; align-items: stretch; }
.riot-feature-image { min-height: 360px; background: linear-gradient(135deg, rgba(5,10,6,.2), rgba(5,10,6,.78)), url('assets/riot-guide-cover.jpg') center / cover; border: 1px solid var(--riot-line); }
.riot-feature-copy { padding: 34px; border: 1px solid var(--riot-line); background: var(--riot-panel); }
.riot-feature-copy h2 { margin: 0; font-size: clamp(30px, 4vw, 48px); letter-spacing: -.05em; line-height: 1.12; }
.riot-feature-copy p { color: var(--riot-muted); }

.riot-content-wrap { width: min(820px, calc(100% - 48px)); margin: 0 auto; padding: 74px 0; }
.riot-entry-header { padding-bottom: 32px; border-bottom: 1px solid var(--riot-line); }
.riot-entry-header h1 { font-size: clamp(38px, 6vw, 68px); }
.riot-entry-meta { margin-top: 18px; color: var(--riot-muted); font-size: 14px; }
.riot-entry-content { padding-top: 36px; font-size: 17px; }
.riot-entry-content h2 { margin: 58px 0 18px; font-size: clamp(26px, 4vw, 38px); line-height: 1.22; letter-spacing: -.045em; }
.riot-entry-content h3 { margin: 36px 0 14px; font-size: 22px; line-height: 1.35; }
.riot-entry-content p, .riot-entry-content li { color: #dbe3db; }
.riot-entry-content a { color: var(--riot-lime); }
.riot-entry-content ul, .riot-entry-content ol { padding-left: 24px; }
.riot-empty { border: 1px dashed var(--riot-line); padding: 28px; color: var(--riot-muted); }
.riot-guide-figure { margin: 38px 0; border: 1px solid var(--riot-line); background: var(--riot-panel); }
.riot-guide-figure img { width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; object-position: top center; background: #0d120e; }
.riot-guide-figure .riot-guide-screen { content-visibility: auto; contain-intrinsic-size: auto 500px; }
.riot-guide-figure figcaption { border-top: 1px solid var(--riot-line); padding: 13px 16px; color: var(--riot-muted); font-size: 14px; line-height: 1.65; }
.riot-guide-figure figcaption strong { color: var(--riot-white); }
.riot-guide-intro { margin: 0 0 32px; color: #e7eee7 !important; font-size: clamp(18px, 2.5vw, 22px); line-height: 1.7; }
.riot-guide-steps { list-style: none; padding: 0 !important; margin: 28px 0 38px; border-top: 1px solid var(--riot-line); }
.riot-guide-steps li { position: relative; min-height: 70px; margin: 0; padding: 18px 18px 18px 68px; border-bottom: 1px solid var(--riot-line); }
.riot-guide-steps li::before { position: absolute; left: 16px; top: 18px; display: grid; width: 32px; height: 32px; place-items: center; background: var(--riot-lime); color: #071006; content: counter(item, decimal-leading-zero); font-size: 12px; font-weight: 900; }
.riot-guide-steps { counter-reset: item; }
.riot-guide-steps li { counter-increment: item; }
.riot-guide-steps strong { color: var(--riot-white); }
.riot-guide-callout { margin: 32px 0; border-left: 4px solid var(--riot-lime); padding: 18px 20px; background: rgba(166,255,0,.07); color: #e4ece3; }
.riot-guide-callout strong { color: var(--riot-lime); }
.riot-guide-link-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 38px 0 8px; }
.riot-guide-link-row a { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 11px 16px; border: 1px solid var(--riot-lime); background: var(--riot-lime); color: #071006; font-size: 14px; font-weight: 900; text-decoration: none; }
.riot-guide-link-row a:last-child { background: transparent; color: var(--riot-white); border-color: var(--riot-line); }
.riot-guide-link-row a:hover, .riot-guide-link-row a:focus { border-color: var(--riot-lime); color: #071006; background: #d0ff5a; }

.riot-site-footer { border-top: 1px solid var(--riot-line); padding: 42px 0 56px; color: var(--riot-muted); font-size: 13px; }
.riot-footer-inner { display: flex; justify-content: space-between; gap: 28px; flex-wrap: wrap; }
.riot-footer-brand { color: var(--riot-white); font-weight: 900; }
.riot-footer-links { display: flex; gap: 16px; flex-wrap: wrap; }

@media (max-width: 860px) {
  .riot-shell { width: min(100% - 32px, var(--riot-max)); }
  .riot-header-inner { padding: 17px 0; align-items: flex-start; flex-direction: column; gap: 10px; }
  .riot-primary-nav { justify-content: flex-start; width: 100%; gap: 12px 16px; }
  .riot-primary-nav a { min-height: 44px; display: inline-flex; align-items: center; }
  .riot-hero { padding: 72px 0 58px; }
  .riot-section { padding: 62px 0; }
  .riot-section-heading { align-items: flex-start; flex-direction: column; gap: 12px; }
  .riot-guide-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .riot-guide-card:nth-child(4n) { border-right: 1px solid var(--riot-line); }
  .riot-guide-card:nth-child(2n) { border-right: 0; }
  .riot-guide-card:nth-last-child(-n+4) { border-bottom: 1px solid var(--riot-line); }
  .riot-guide-card:nth-last-child(-n+2) { border-bottom: 0; }
  .riot-feature-grid { grid-template-columns: 1fr; }
  .riot-feature-image { min-height: 270px; }
}

@media (max-width: 480px) {
  .riot-shell, .riot-content-wrap { width: calc(100% - 32px); }
  .riot-brand { font-size: 20px; }
  .riot-primary-nav { gap: 4px 14px; }
  .riot-primary-nav a { font-size: 13px; }
  .riot-hero h1 { letter-spacing: -.06em; }
  .riot-guide-grid { grid-template-columns: 1fr; }
  .riot-guide-card { min-height: 184px; border-right: 0 !important; }
  .riot-guide-card:not(:last-child) { border-bottom: 1px solid var(--riot-line) !important; }
  .riot-entry-content { font-size: 16px; }
  .riot-guide-figure { margin: 28px 0; }
  .riot-guide-figure img { aspect-ratio: 16 / 11; }
  .riot-guide-figure figcaption { padding: 12px 14px; font-size: 13px; }
  .riot-guide-steps li { padding-right: 14px; }
}