/*
Theme Name: SolarHeat Pro
Theme URI: https://solar.korsolarheat.com/
Author: JL Industry
Description: 태양열 전문 독립 노출형 사이트 커스텀 테마. Premium Solar Thermal Engineering + Real Field Photography + Technical Editorial.
Version: 1.0.2
Text Domain: solarheat
*/

/* ---------- Design tokens ---------- */
:root {
	--color-bg: #faf8f3;
	--color-bg-soft: #f2eee3;
	--color-surface: #ffffff;
	--color-primary-dark: #12291f;
	--color-primary: #24523d;
	--color-primary-soft: #e6ece2;
	--color-charcoal: #23251f;
	--color-text: #23251f;
	--color-text-muted: #5d6156;
	--color-accent: #b07f34;
	--color-accent-dark: #8e662a;
	--color-gold: #caa251;
	--color-border: #e5ded0;
	--color-hero-bg: #f4f1e8;
	--radius: 16px;
	--radius-sm: 10px;
	--container-width: 1200px;
	--font: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Malgun Gothic', sans-serif;
	--shadow: 0 10px 32px rgba(18, 41, 31, 0.10);
}

/* ---------- Reset ---------- */
* { box-sizing: border-box; min-width: 0; }
html { scroll-behavior: smooth; }
html, body { max-width: 100%; overflow-x: hidden; }
body {
	margin: 0;
	font-family: var(--font);
	color: var(--color-text);
	background: var(--color-bg);
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p { margin: 0; }
table { border-collapse: collapse; }

.container { max-width: var(--container-width); margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 820px; }
.section { padding: 76px 0; }
.section--soft { background: var(--color-bg-soft); }
.section-eyebrow { display: block; font-size: 0.76rem; font-weight: 800; letter-spacing: 0.16em; color: var(--color-accent); text-transform: uppercase; margin-bottom: 10px; }
.section-title { font-size: 1.75rem; font-weight: 800; margin-bottom: 12px; color: var(--color-primary-dark); }
.section-lead { color: var(--color-text-muted); font-size: 1.02rem; max-width: 680px; margin-bottom: 32px; line-height: 1.75; }

/* ---------- Buttons ---------- */
.btn {
	display: inline-flex; align-items: center; justify-content: center; gap: 8px;
	padding: 13px 24px; border-radius: 999px; font-weight: 700; font-size: 0.98rem;
	transition: transform .15s ease, background .15s ease, border-color .15s ease;
	white-space: nowrap;
}
.btn--accent { background: var(--color-accent); color: #fff; }
.btn--accent:hover { background: var(--color-accent-dark); transform: translateY(-1px); }
.btn--outline { background: #fff; color: var(--color-primary-dark); border: 1.5px solid var(--color-border); }
.btn--outline:hover { border-color: var(--color-primary); }
.btn--ghost-light { background: rgba(255,255,255,0.12); color: #fff; border: 1.5px solid rgba(255,255,255,0.5); }
.btn--ghost-light:hover { background: rgba(255,255,255,0.2); }
.btn--sm { padding: 9px 18px; font-size: 0.86rem; }
.btn--lg { padding: 17px 32px; font-size: 1.06rem; }
.btn--block { width: 100%; }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(250,248,243,0.96); backdrop-filter: blur(6px); border-bottom: 1px solid var(--color-border); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 20px; }
.site-logo { display: flex; align-items: center; gap: 9px; font-weight: 800; font-size: 1.14rem; color: var(--color-primary-dark); white-space: nowrap; }
.site-logo small { display: block; font-size: 0.6rem; font-weight: 700; letter-spacing: 0.14em; color: var(--color-text-muted); }
.site-nav { display: flex; gap: 26px; font-weight: 600; font-size: 0.94rem; }
.site-nav a:hover { color: var(--color-primary); }
.site-header__actions { display: flex; align-items: center; gap: 14px; }
.nav-toggle { display: none; flex-direction: column; gap: 4px; background: none; border: 0; padding: 6px; cursor: pointer; }
.nav-toggle span { width: 22px; height: 2px; background: var(--color-primary-dark); border-radius: 2px; }

/* ---------- Hero (home) ---------- */
.hero { position: relative; min-height: 560px; display: flex; align-items: stretch; overflow: hidden; background: var(--color-primary-dark); }
.hero__media { position: absolute; inset: 0; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; opacity: 0.62; }
.hero__scrim { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(12,26,20,0.94) 0%, rgba(12,26,20,0.72) 40%, rgba(12,26,20,0.28) 75%, rgba(12,26,20,0.1) 100%); }
.hero__inner { position: relative; z-index: 2; max-width: var(--container-width); margin: 0 auto; padding: 96px 24px 72px; display: flex; flex-direction: column; gap: 18px; color: #fff; width: 100%; }
.hero__eyebrow { font-size: 0.78rem; font-weight: 800; letter-spacing: 0.2em; color: var(--color-gold); text-transform: uppercase; }
.hero__title { font-size: clamp(2.6rem, 5.2vw, 3.6rem); font-weight: 800; line-height: 1.15; max-width: 720px; }
.hero__desc { font-size: 1.08rem; line-height: 1.8; max-width: 560px; opacity: 0.92; }
.hero__specs { display: flex; flex-wrap: wrap; gap: 0; margin: 4px 0 10px; }
.hero__specs li { font-size: 0.92rem; font-weight: 700; padding: 0 18px; border-left: 1px solid rgba(255,255,255,0.32); line-height: 1.2; }
.hero__specs li:first-child { padding-left: 0; border-left: none; }
.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 6px; }
.hero__quote { position: absolute; right: 6%; bottom: 10%; z-index: 2; color: #fff; font-size: 1.15rem; font-weight: 700; text-align: right; opacity: 0.85; max-width: 260px; line-height: 1.5; }

/* ---------- Topic (carousel) cards ---------- */
.card-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card-row--6 { grid-template-columns: repeat(6, 1fr); }
.card-row--4 { grid-template-columns: repeat(4, 1fr); }
.card-row--compact { grid-template-columns: repeat(3, 1fr); }
.field-card {
	background: var(--color-surface); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
	display: flex; flex-direction: column; border: 1px solid var(--color-border);
}
.field-card__media { display: block; aspect-ratio: 4 / 3; overflow: hidden; }
.field-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.field-card:hover .field-card__media img { transform: scale(1.05); }
.field-card__body { padding: 18px 18px 20px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.field-card__title { font-weight: 800; font-size: 1.05rem; color: var(--color-primary-dark); }
.field-card__tagline { color: var(--color-text-muted); font-size: 0.88rem; line-height: 1.5; flex: 1; }
.field-card__more { color: var(--color-accent); font-weight: 700; font-size: 0.86rem; margin-top: 6px; }
.field-card--sm .field-card__media { aspect-ratio: 4 / 3; }

/* ---------- Work gallery ---------- */
.work-gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.work-gallery--3col { grid-template-columns: repeat(3, 1fr); }
.work-gallery__item { position: relative; border-radius: var(--radius-sm); overflow: hidden; aspect-ratio: 1 / 1; background: var(--color-bg-soft); }
.work-gallery__item img { width: 100%; height: 100%; object-fit: cover; }
.work-gallery__item figcaption {
	position: absolute; left: 10px; bottom: 10px; background: rgba(18,41,31,0.85); color: #fff;
	font-size: 0.8rem; font-weight: 700; padding: 5px 12px; border-radius: 999px;
}

/* ---------- Before/After ---------- */
.ba-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.ba-set { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; }
.ba-set__imgs { display: grid; grid-template-columns: 1fr 1fr; }
.ba-set__imgs figure { position: relative; margin: 0; aspect-ratio: 4/3; overflow: hidden; }
.ba-set__imgs img { width: 100%; height: 100%; object-fit: cover; }
.ba-set__imgs figcaption { position: absolute; top: 10px; left: 10px; background: rgba(18,41,31,0.85); color: #fff; font-size: 0.76rem; font-weight: 800; padding: 4px 12px; border-radius: 999px; letter-spacing: 0.05em; }
.ba-set__label { padding: 14px 18px; font-weight: 700; font-size: 0.94rem; color: var(--color-primary-dark); }

/* ---------- Intro / definition section ---------- */
.section--intro { background: var(--color-primary-soft); }
.intro-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: start; }
.intro-text p { color: var(--color-text-muted); margin-bottom: 18px; line-height: 1.8; }
.compare-list li { padding: 10px 0 10px 18px; border-bottom: 1px dashed var(--color-border); position: relative; }
.compare-list li::before { content: '—'; position: absolute; left: 0; color: var(--color-accent); }
.intro-fields { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.intro-field {
	display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center;
	background: #fff; border-radius: var(--radius-sm); padding: 22px 12px; border: 1px solid var(--color-border);
	font-weight: 700; color: var(--color-primary-dark); font-size: 0.92rem;
}
.intro-field svg { color: var(--color-primary); }

/* ---------- Compare table ---------- */
.table-wrap { margin-top: 36px; overflow-x: auto; background: var(--color-surface); border-radius: var(--radius); border: 1px solid var(--color-border); }
.compare-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; min-width: 640px; }
.compare-table caption { text-align: left; font-weight: 800; padding: 16px 20px; color: var(--color-primary-dark); font-size: 1rem; }
.compare-table th, .compare-table td { padding: 12px 20px; text-align: left; border-top: 1px solid var(--color-border); }
.compare-table th { color: var(--color-text-muted); font-weight: 700; font-size: 0.85rem; }
.compare-table td:first-child { font-weight: 700; color: var(--color-primary-dark); white-space: nowrap; }

/* ---------- Solar vs PV comparison ---------- */
.pv-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.pv-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 28px 26px; }
.pv-card--accent { border-color: var(--color-accent); background: #fdf8f0; }
.pv-card h3 { font-size: 1.1rem; font-weight: 800; margin-bottom: 10px; color: var(--color-primary-dark); }
.pv-card p { color: var(--color-text-muted); line-height: 1.75; font-size: 0.94rem; }

/* ---------- Diagram (작동원리) ---------- */
.diagram-flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; counter-reset: flow; }
.diagram-flow__step { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 22px 14px; text-align: center; position: relative; }
.diagram-flow__step svg { color: var(--color-primary); margin: 0 auto 12px; }
.diagram-flow__num { position: absolute; top: 10px; left: 12px; font-weight: 800; color: var(--color-border); font-size: 1rem; }
.diagram-flow__title { font-weight: 800; font-size: 0.98rem; color: var(--color-primary-dark); margin-bottom: 6px; }
.diagram-flow__desc { font-size: 0.82rem; color: var(--color-text-muted); line-height: 1.5; }
.diagram-flow__arrow { display: none; }

/* ---------- Steps ---------- */
.step-row { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; counter-reset: step; }
.step-item { display: flex; flex-direction: column; gap: 8px; padding: 20px 14px; border-radius: var(--radius-sm); background: var(--color-bg-soft); position: relative; }
.step-item__icon { color: var(--color-primary); }
.step-item__num { position: absolute; top: 14px; right: 14px; font-weight: 800; color: var(--color-border); font-size: 1.1rem; }
.step-item__title { font-weight: 800; font-size: 1rem; color: var(--color-primary-dark); }
.step-item__desc { font-size: 0.85rem; color: var(--color-text-muted); line-height: 1.55; }

/* ---------- System components (집열/전달/축열/제어/활용) ---------- */
.sys-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.sys-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-sm); overflow: hidden; }
.sys-card__media { aspect-ratio: 1/1; overflow: hidden; }
.sys-card__media img { width: 100%; height: 100%; object-fit: cover; }
.sys-card__body { padding: 14px 16px; }
.sys-card__title { font-weight: 800; font-size: 0.94rem; color: var(--color-primary-dark); margin-bottom: 4px; }
.sys-card__desc { font-size: 0.8rem; color: var(--color-text-muted); line-height: 1.5; }

/* ---------- Applications 6 cards ---------- */
.app-grid6 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.app-card6 { display: flex; flex-direction: column; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-sm); overflow: hidden; }
.app-card6__media { display: block; aspect-ratio: 4 / 3; overflow: hidden; }
.app-card6__media img { width: 100%; height: 100%; object-fit: cover; }
.app-card6__icon { display: flex; align-items: center; justify-content: center; aspect-ratio: 4 / 3; background: var(--color-primary-soft); }
.app-card6__icon svg { width: 36px; height: 36px; color: var(--color-primary); }
.app-card6__body { display: flex; flex-direction: column; gap: 4px; padding: 14px 16px; }
.app-card6__title { font-weight: 800; font-size: 0.98rem; color: var(--color-primary-dark); }
.app-card6__desc { font-size: 0.85rem; color: var(--color-text-muted); line-height: 1.5; }

/* ---------- Checklist ---------- */
.check-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.check-list--wide { grid-template-columns: repeat(2, 1fr); }
.check-list li { display: flex; align-items: flex-start; gap: 10px; background: var(--color-surface); border-radius: var(--radius-sm); padding: 16px 18px; border: 1px solid var(--color-border); }
.check-list li svg { color: var(--color-primary); flex-shrink: 0; margin-top: 2px; }
.check-list li span { font-size: 0.92rem; color: var(--color-text); line-height: 1.55; }

/* ---------- Mini case grid ---------- */
.mini-case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 20px; }
.mini-case { border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; background: var(--color-surface); }
.mini-case img { aspect-ratio: 4/3; object-fit: cover; }
.mini-case dl { padding: 16px 18px; display: grid; grid-template-columns: auto 1fr; gap: 6px 12px; font-size: 0.85rem; }
.mini-case dt { color: var(--color-text-muted); white-space: nowrap; }
.mini-case dd { margin: 0; font-weight: 600; }

/* ---------- Regions ---------- */
.section--regions { background: var(--color-primary-soft); }
.regions-grid { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.region-badge { background: var(--color-primary-dark); color: #fff; border-radius: var(--radius); padding: 24px 36px; text-align: center; }
.region-badge__label { display: block; font-size: 0.82rem; opacity: 0.75; margin-bottom: 6px; }
.region-badge__value { display: block; font-size: 1.4rem; font-weight: 800; }
.region-card-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.region-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-sm); overflow: hidden; }
.region-card__media { aspect-ratio: 4/3; overflow: hidden; }
.region-card__media img { width: 100%; height: 100%; object-fit: cover; }
.region-card__body { padding: 16px; }
.region-card__title { font-weight: 800; font-size: 1rem; color: var(--color-primary-dark); margin-bottom: 4px; }
.region-card__desc { font-size: 0.84rem; color: var(--color-text-muted); }

/* ---------- Hub listing (services / regions / guide) ---------- */
.hub-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.hub-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.hub-card__media { aspect-ratio: 4/3; overflow: hidden; }
.hub-card__media img { width: 100%; height: 100%; object-fit: cover; }
.hub-card__body { padding: 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.hub-card__title { font-weight: 800; font-size: 1.02rem; color: var(--color-primary-dark); }
.hub-card__desc { font-size: 0.88rem; color: var(--color-text-muted); line-height: 1.55; flex: 1; }
.hub-card__link { font-size: 0.85rem; font-weight: 700; color: var(--color-accent); }
.hub-intro { max-width: 720px; color: var(--color-text-muted); line-height: 1.8; margin-bottom: 8px; }

/* ---------- /services/ 상세정보 카테고리 ---------- */
.info-category { margin-bottom: 40px; }
.info-category:last-child { margin-bottom: 0; }
.info-category__title { font-size: 1.1rem; font-weight: 800; color: var(--color-primary-dark); margin-bottom: 16px; padding-left: 14px; border-left: 4px solid var(--color-accent); }
.hub-grid--compact { grid-template-columns: repeat(4, 1fr); gap: 16px; }
.hub-card--sm .hub-card__body { padding: 12px 14px; gap: 4px; }
.hub-card--sm .hub-card__title { font-size: 0.9rem; }

/* ---------- 태양열 전문 서비스 (계열 사이트, 준비 중) ---------- */
.sister-site-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.sister-site-item { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 18px; text-align: center; font-weight: 700; color: var(--color-primary-dark); }
.sister-site-item a { color: var(--color-accent); }
.sister-site-item--pending { opacity: 0.6; }
.sister-site-item__badge { display: block; margin-top: 6px; font-size: 0.76rem; font-weight: 700; color: var(--color-text-muted); }

/* ---------- FAQ ---------- */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 18px 22px; background: var(--color-surface); }
.faq-item summary { cursor: pointer; display: flex; align-items: center; justify-content: space-between; }
.faq-item summary h3 { font-size: 1rem; font-weight: 700; }
.faq-item p { margin-top: 14px; color: var(--color-text-muted); line-height: 1.75; font-size: 0.95rem; }

/* ---------- CTA ---------- */
.cta { background: linear-gradient(150deg, var(--color-primary-dark), var(--color-primary)); color: #fff; }
.cta__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.cta__title { font-size: 1.35rem; font-weight: 800; margin-bottom: 8px; }
.cta__desc { opacity: 0.85; }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-primary-dark); color: rgba(255,255,255,0.85); padding: 48px 0 20px; }
.site-footer__inner { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; margin-bottom: 24px; }
.site-footer__logoline { font-weight: 800; color: #fff; font-size: 1.05rem; display: block; margin-bottom: 10px; }
.site-footer__nap { font-size: 0.86rem; line-height: 1.8; }
.site-footer__nap a { text-decoration: underline; }
.site-footer__nav { display: flex; gap: 18px; flex-wrap: wrap; font-size: 0.9rem; align-content: flex-start; }
.site-footer__copy { border-top: 1px solid rgba(255,255,255,0.12); padding-top: 16px; font-size: 0.78rem; opacity: 0.6; }

/* ---------- Detail / topic page hero ---------- */
.detail-hero { background-color: var(--color-hero-bg); background-image: radial-gradient(rgba(18, 41, 31, 0.08) 1px, transparent 1px); background-size: 22px 22px; padding: 0; }
.detail-hero__inner { display: grid; grid-template-columns: 46% 1fr; align-items: stretch; gap: 36px; min-height: 440px; }
.detail-hero__text { display: flex; flex-direction: column; justify-content: center; gap: 14px; padding: 52px 0; }
.detail-hero__eyebrow { font-size: 0.75rem; font-weight: 800; letter-spacing: 0.14em; color: var(--color-accent); text-transform: uppercase; }
.detail-hero__text h1 { font-size: clamp(1.9rem, 4vw, 2.4rem); font-weight: 800; color: var(--color-primary-dark); margin: 0; }
.detail-hero__desc { color: var(--color-text-muted); font-size: 1.02rem; line-height: 1.7; max-width: 460px; margin: 0; }
.detail-hero__specs { display: flex; align-items: center; flex-wrap: wrap; margin: 4px 0 6px; }
.detail-hero__specs li { font-size: 0.9rem; font-weight: 700; color: var(--color-primary-dark); padding: 0 16px; border-left: 1px solid var(--color-border); line-height: 1.2; }
.detail-hero__specs li:first-child { padding-left: 0; border-left: none; }
.detail-hero__media { position: relative; min-height: 320px; }
.detail-hero__media img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius); display: block; }
.detail-hero__text .btn { align-self: flex-start; margin-top: 4px; }

/* ---------- Generic content extras ---------- */
.breadcrumb { padding: 18px 24px 0; font-size: 0.85rem; color: var(--color-text-muted); }
.breadcrumb a { color: var(--color-primary); font-weight: 600; }
.core-text { color: var(--color-text-muted); line-height: 1.85; margin-bottom: 16px; font-size: 1.02rem; }
.core-sub { font-size: 1.05rem; font-weight: 800; margin: 28px 0 12px; color: var(--color-primary-dark); }
.dot-list li { padding: 8px 0 8px 18px; position: relative; color: var(--color-text-muted); line-height: 1.6; }
.dot-list li::before { content: '•'; position: absolute; left: 0; color: var(--color-accent); font-weight: 800; }
.link-more { color: var(--color-primary); font-weight: 700; }
.link-more--center { display: block; text-align: center; }

.page-hero { padding-top: 44px; }
.page-hero__eyebrow { display: block; font-size: 0.75rem; font-weight: 800; letter-spacing: 0.14em; color: var(--color-accent); text-transform: uppercase; margin-bottom: 10px; }
.page-hero__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.page-hero__inner h1 { font-size: 2.1rem; font-weight: 800; margin-bottom: 16px; color: var(--color-primary-dark); }
.page-hero__lead { color: var(--color-text-muted); line-height: 1.8; margin-bottom: 22px; }
.page-hero__selected { display: inline-block; background: var(--color-primary-soft); color: var(--color-primary-dark); font-size: 0.9rem; font-weight: 600; padding: 10px 16px; border-radius: var(--radius-sm); margin-bottom: 16px; }
.page-hero__inner img { border-radius: var(--radius); aspect-ratio: 4/3; object-fit: cover; }
.page-hero--simple h1 { font-size: 2rem; font-weight: 800; margin-bottom: 14px; color: var(--color-primary-dark); }
.page-hero--simple .page-hero__lead { max-width: 720px; }

.cases-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.cases-grid--detail { grid-template-columns: repeat(3, 1fr); }
.cases-card { border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--color-border); background: var(--color-surface); }
.cases-card img { aspect-ratio: 4/3; object-fit: cover; }
.cases-card__body { padding: 14px 16px 18px; display: flex; flex-direction: column; gap: 4px; }
.cases-card__cat { color: var(--color-accent); font-size: 0.76rem; font-weight: 800; }
.cases-card__title { font-size: 0.92rem; font-weight: 700; }
.cases-legend { display: flex; gap: 10px; margin-bottom: 24px; flex-wrap: wrap; }
.cases-legend__item { background: var(--color-primary-soft); color: var(--color-primary-dark); font-size: 0.8rem; font-weight: 700; padding: 6px 16px; border-radius: 999px; }
.mini-case-dl { display: grid; grid-template-columns: auto 1fr; gap: 5px 10px; font-size: 0.82rem; margin-top: 10px; }
.mini-case-dl dt { color: var(--color-text-muted); white-space: nowrap; }
.mini-case-dl dd { margin: 0; font-weight: 600; }

/* ---------- Consultation ---------- */
.consult-systems { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.consult-system-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 22px 18px; }
.consult-system-card h3 { font-size: 1rem; font-weight: 800; margin-bottom: 10px; color: var(--color-primary-dark); }
.consult-system-card p { color: var(--color-text-muted); font-size: 0.88rem; line-height: 1.6; }
.consult-process { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.step-item__num--visible { position: static; display: inline-block; background: var(--color-accent); color: #fff; width: 28px; height: 28px; line-height: 28px; text-align: center; border-radius: 50%; font-size: 0.85rem; margin-bottom: 6px; }
.consult-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.consult-actions { display: flex; flex-direction: column; gap: 14px; }
.nap-list { display: grid; grid-template-columns: auto 1fr; gap: 10px 18px; font-size: 0.94rem; }
.nap-list dt { color: var(--color-text-muted); }
.nap-list dd { margin: 0; font-weight: 600; }

/* ---------- Mobile ---------- */
@media (max-width: 860px) {
	.site-nav { position: fixed; top: 72px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 16px 24px; gap: 4px; border-bottom: 1px solid var(--color-border); transform: translateY(-8px); opacity: 0; pointer-events: none; transition: .18s ease; max-height: calc(100vh - 72px); overflow-y: auto; }
	.site-nav a { padding: 12px 0; border-bottom: 1px solid var(--color-border); }
	.site-nav.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
	.nav-toggle { display: flex; }

	.hero { min-height: 0; }
	.hero__inner { padding: 56px 20px 44px; }
	.hero__title { font-size: 2rem; }
	.hero__quote { display: none; }

	.section { padding: 48px 0; }

	.card-row, .card-row--compact, .card-row--6, .card-row--4 { grid-template-columns: 1fr; gap: 16px; }
	.field-card__body { padding: 16px; }

	.work-gallery, .work-gallery--3col { grid-template-columns: repeat(2, 1fr); }
	.ba-grid { grid-template-columns: 1fr; }
	.intro-grid { grid-template-columns: 1fr; }
	.intro-fields { grid-template-columns: repeat(2, 1fr); }
	.step-row { grid-template-columns: repeat(2, 1fr); }
	.diagram-flow { grid-template-columns: 1fr; }
	.sys-grid { grid-template-columns: repeat(2, 1fr); }
	.pv-compare { grid-template-columns: 1fr; }
	.regions-grid { flex-direction: column; align-items: flex-start; }
	.region-card-grid, .hub-grid { grid-template-columns: repeat(2, 1fr); }
	.hub-grid--compact { grid-template-columns: repeat(2, 1fr); gap: 10px; }
	.sister-site-list { grid-template-columns: repeat(2, 1fr); }
	.cta__inner { flex-direction: column; align-items: flex-start; }
	.page-hero__inner { grid-template-columns: 1fr; }
	.cases-grid, .cases-grid--detail { grid-template-columns: repeat(2, 1fr); }
	.consult-systems { grid-template-columns: 1fr; }
	.consult-grid { grid-template-columns: 1fr; gap: 32px; }

	.detail-hero__inner { grid-template-columns: 1fr; gap: 0; min-height: 0; }
	.detail-hero__text { padding: 32px 0 24px; gap: 12px; }
	.detail-hero__desc { max-width: none; }
	.detail-hero__specs li { font-size: 0.82rem; padding: 0 12px; }
	.detail-hero__media { min-height: 0; aspect-ratio: 4 / 3; margin-bottom: 4px; }

	.app-grid6 { grid-template-columns: 1fr; gap: 10px; }
	.app-card6 { flex-direction: row; align-items: stretch; }
	.app-card6__media, .app-card6__icon { width: 38%; aspect-ratio: 1/1; flex-shrink: 0; align-self: center; }
	.app-card6__body { flex: 1; padding: 10px 12px; justify-content: center; min-width: 0; }
	.app-card6__title { font-size: 0.9rem; }
	.app-card6__desc { font-size: 0.78rem; }

	.check-list, .check-list--wide { grid-template-columns: 1fr; }
	.mini-case-grid { grid-template-columns: 1fr; }
	.consult-process { grid-template-columns: repeat(2, 1fr); }

	.table-wrap { overflow-x: visible; }
	.compare-table { min-width: 0; width: 100%; }
	.compare-table thead { display: none; }
	.compare-table, .compare-table caption, .compare-table tbody, .compare-table tr, .compare-table td { display: block; width: 100%; }
	.compare-table caption { padding: 14px 16px 0; text-align: left; }
	.compare-table tr { padding: 12px 16px; border-top: 1px solid var(--color-border); }
	.compare-table tr:first-of-type { border-top: none; }
	.compare-table td { padding: 3px 0; border-top: none; font-size: 0.88rem; }
	.compare-table td:first-child { font-weight: 800; font-size: 1rem; color: var(--color-primary-dark); padding-bottom: 6px; white-space: normal; }
	.compare-table td[data-label]::before { content: attr(data-label) ": "; font-weight: 700; color: var(--color-text-muted); }
}

@media (max-width: 400px) {
	.container { padding: 0 16px; }
	.section { padding: 40px 0; }
	.hub-grid--compact { grid-template-columns: 1fr; }
	.sister-site-list { grid-template-columns: 1fr; }
}