@import url('https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,300;0,400;0,500;0,700;1,400&display=swap');

/* ============================================================
   CSS 自定义属性
   ============================================================ */
:root {
  --c-white: #ffffff;
  --c-bg: #f5f5f5;
  --c-ink: #1f1f1f;
  --c-ink-60: rgba(31,31,31,0.6);
  --c-ink-20: rgba(31,31,31,0.12);
  --c-ink-10: rgba(31,31,31,0.06);
  --c-glass: rgba(255,255,255,0.72);
  --c-glass-border: rgba(255,255,255,0.5);
  --c-accent: #1f1f1f;
  --c-accent-inv: #ffffff;
  --radius-card: 18px;
  --radius-pill: 999px;
  --shadow-card: 0 4px 18px rgba(0,0,0,0.07), 0 1px 4px rgba(0,0,0,0.04);
  --shadow-hero: 0 8px 40px rgba(0,0,0,0.18);
  --nav-h: 64px;
  --font: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --transition: 0.22s cubic-bezier(0.4,0,0.2,1);
}

/* ============================================================
   Reset & Base
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font);
  background: var(--c-bg);
  color: var(--c-ink);
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* ============================================================
   Nav — aside > nav > ul > li > a（结构契约）
   ============================================================ */
.site-nav-wrapper {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--c-glass);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid var(--c-ink-20);
  min-height: var(--nav-h);
}

.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  min-height: var(--nav-h);
  gap: 12px;
}

.nav-left,
.nav-right {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.nav-brand {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--c-ink);
  white-space: nowrap;
  padding: 8px 12px;
  min-height: 40px;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav-pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--c-ink-60);
  transition: background var(--transition), color var(--transition);
  min-height: 40px;
  white-space: nowrap;
}

.nav-pill:hover,
.nav-pill[aria-current="page"] {
  background: var(--c-ink-10);
  color: var(--c-ink);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  background: var(--c-ink);
  color: var(--c-white);
  font-size: 0.85rem;
  font-weight: 600;
  min-height: 40px;
  transition: opacity var(--transition), transform var(--transition);
  white-space: nowrap;
}

.nav-cta:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

/* 二级粘性锚点条 */
.subnav {
  background: var(--c-bg);
  border-bottom: 1px solid var(--c-ink-20);
  position: sticky;
  top: var(--nav-h);
  z-index: 99;
}

.subnav-list {
  display: flex;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  gap: 4px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.subnav-list::-webkit-scrollbar {
  display: none;
}

.subnav-link,
.subnav-parent {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--c-ink-60);
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
  white-space: nowrap;
  min-height: 44px;
}

.subnav-link:hover,
.subnav-link.active {
  color: var(--c-ink);
  border-bottom-color: var(--c-ink);
}

.subnav-parent {
  font-weight: 600;
  color: var(--c-ink);
}

/* ============================================================
   Hero — 首页全宽 100vh
   ============================================================ */
.hero-section {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: var(--c-ink);
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(31,31,31,0.85) 0%,
    rgba(31,31,31,0.4) 60%,
    rgba(31,31,31,0.15) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 80px 48px 80px;
}

.hero-eyebrow {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  color: rgba(255,255,255,0.9);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
  text-transform: uppercase;
}

.hero-h1 {
  font-size: clamp(2.4rem, 6vw, 5rem);
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.1;
  max-width: 700px;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero-desc {
  color: rgba(255,255,255,0.8);
  font-size: 1.1rem;
  max-width: 520px;
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  padding: 14px 32px;
  background: var(--c-white);
  color: var(--c-ink);
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 1rem;
  min-height: 48px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 14px 32px;
  background: transparent;
  color: var(--c-white);
  border: 2px solid rgba(255,255,255,0.5);
  border-radius: var(--radius-pill);
  font-weight: 500;
  font-size: 1rem;
  min-height: 48px;
  transition: background var(--transition), border-color var(--transition);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.8);
}

.hero-bg-text {
  position: absolute;
  bottom: -0.1em;
  right: -0.05em;
  z-index: 1;
  font-size: clamp(8rem, 22vw, 20rem);
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,0.08);
  letter-spacing: -0.05em;
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

/* ============================================================
   Inner Hero（非首页）
   ============================================================ */
.inner-hero {
  position: relative;
  background: var(--c-ink);
  color: var(--c-white);
  padding: 80px 0 60px;
  overflow: hidden;
}

.inner-hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
}

.inner-hero-content h1 {
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.inner-hero-content .subtitle {
  color: rgba(255,255,255,0.75);
  font-size: 1.05rem;
  max-width: 540px;
  margin-bottom: 12px;
}

.inner-hero-bg {
  position: absolute;
  right: 48px;
  bottom: -0.15em;
  font-size: clamp(6rem, 18vw, 16rem);
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,0.06);
  line-height: 1;
  pointer-events: none;
  user-select: none;
  z-index: 1;
}

.eyebrow-label {
  display: inline-block;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  color: rgba(255,255,255,0.85);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.eyebrow-label a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.date-meta {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
  margin-top: 8px;
}

/* ============================================================
   Service Hero
   ============================================================ */
.service-hero {
  background: var(--c-ink);
  padding: 60px 0;
}

.service-hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
}

.service-hero-text h1 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.2;
  margin-bottom: 12px;
}

.service-desc {
  color: rgba(255,255,255,0.75);
  font-size: 1rem;
  max-width: 480px;
  margin-bottom: 10px;
}

.service-hero-fig {
  width: 200px;
  height: 200px;
  border-radius: var(--radius-card);
  overflow: hidden;
  flex-shrink: 0;
}

.service-hero-fig img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-hero-placeholder {
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
}

.placeholder-num {
  font-size: 4rem;
  color: rgba(255,255,255,0.25);
}

/* ============================================================
   Page Main container
   ============================================================ */
.page-main {
  min-height: 60vh;
}

/* ============================================================
   Bento Grid Section
   ============================================================ */
.bento-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 48px;
}

.bento-section h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.bento-section .subtitle {
  color: var(--c-ink-60);
  margin-bottom: 32px;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 200px;
  gap: 16px;
}

.bento-card {
  position: relative;
  background: var(--c-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid var(--c-ink-10);
}

.bento-card:hover {
  transform: scale(1.02);
  box-shadow: 0 12px 32px rgba(0,0,0,0.12);
}

.bento-card.card-2x2 {
  grid-column: span 2;
  grid-row: span 2;
}

.bento-card.card-2x1 {
  grid-column: span 2;
}

.bento-card.card-1x1 {
  grid-column: span 1;
}

.bento-icon {
  font-size: 2rem;
  color: var(--c-ink-60);
  margin: 0;
}

.bento-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.bento-info strong {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-ink);
  line-height: 1.3;
}

.bento-info span {
  font-size: 0.85rem;
  color: var(--c-ink-60);
  line-height: 1.5;
}

/* ============================================================
   Content Section — main > section > figure/aside 交错
   ============================================================ */
.content-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 48px;
  display: grid;
  grid-template-columns: 60px 1fr 280px;
  grid-template-rows: auto;
  gap: 40px;
  align-items: start;
}

.content-deco {
  grid-column: 1;
  margin: 0;
  padding-top: 8px;
}

.deco-num {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--c-ink-60);
  letter-spacing: 0.15em;
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

.content-body {
  grid-column: 2;
  min-width: 0;
}

.content-body h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 12px;
}

.content-body h2 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-top: 36px;
  margin-bottom: 8px;
}

.content-body h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 24px;
  margin-bottom: 6px;
}

.content-body p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--c-ink);
  margin-bottom: 16px;
}

.content-body ul,
.content-body ol {
  margin: 0 0 16px 20px;
  line-height: 1.75;
}

.content-body ul { list-style: disc; }
.content-body ol { list-style: decimal; }

.content-body li {
  margin-bottom: 6px;
}

.content-body a {
  color: var(--c-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.content-body blockquote {
  border-left: 3px solid var(--c-ink-20);
  padding: 12px 20px;
  margin: 20px 0;
  color: var(--c-ink-60);
  font-style: italic;
}

.content-aside {
  grid-column: 3;
  background: var(--c-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 28px;
  position: sticky;
  top: calc(var(--nav-h) + 20px);
  border: 1px solid var(--c-ink-10);
}

.content-aside h2 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.content-aside .subtitle {
  font-size: 0.8rem;
  color: var(--c-ink-60);
  margin-bottom: 16px;
}

.aside-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.aside-links li a {
  display: block;
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 0.88rem;
  color: var(--c-ink);
  transition: background var(--transition);
  min-height: 40px;
  display: flex;
  align-items: center;
}

.aside-links li a:hover {
  background: var(--c-bg);
}

.aside-date {
  font-size: 0.78rem;
  color: var(--c-ink-60);
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--c-ink-10);
}

/* ============================================================
   Services Grid（首页底部）
   ============================================================ */
.services-section {
  background: var(--c-white);
  padding: 64px 0;
}

.services-section h2,
.services-section .subtitle {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 48px;
  padding-right: 48px;
}

.services-section h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.services-section .subtitle {
  color: var(--c-ink-60);
  margin-bottom: 32px;
}

.service-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.service-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--c-bg);
  border-radius: var(--radius-card);
  padding: 24px;
  border: 1px solid var(--c-ink-10);
  transition: transform var(--transition), box-shadow var(--transition);
  min-height: 120px;
}

.service-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.service-card strong {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--c-ink);
  line-height: 1.35;
}

.service-card span {
  font-size: 0.82rem;
  color: var(--c-ink-60);
  line-height: 1.5;
}

/* ============================================================
   Children Grid（子页面列表）子页列表 a > strong 契约
   ============================================================ */
.children-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 48px 0;
}

.children-section h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.children-section .subtitle {
  color: var(--c-ink-60);
  margin-bottom: 24px;
}

.children-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

.child-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--c-white);
  border-radius: var(--radius-card);
  padding: 22px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--c-ink-10);
  transition: transform var(--transition), box-shadow var(--transition);
}

.child-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.child-card strong {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--c-ink);
  line-height: 1.35;
}

.child-card span {
  font-size: 0.82rem;
  color: var(--c-ink-60);
  line-height: 1.5;
}

.child-card em {
  font-size: 0.76rem;
  color: var(--c-ink-60);
  font-style: normal;
  margin-top: 4px;
}

/* ============================================================
   Cases Grid
   ============================================================ */
.cases-grid-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 48px;
}

.cases-grid-section h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.cases-grid-section .subtitle {
  color: var(--c-ink-60);
  margin-bottom: 32px;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 180px;
  gap: 14px;
}

.case-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--c-white);
  border-radius: var(--radius-card);
  padding: 24px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--c-ink-10);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.case-card:hover {
  transform: scale(1.02);
  box-shadow: 0 10px 28px rgba(0,0,0,0.11);
}

.case-card-1 { grid-column: span 2; }
.case-card-2 { grid-column: span 1; }
.case-card-3 { grid-column: span 1; }

.case-num {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--c-ink-10);
  margin: 0;
  line-height: 1;
}

.case-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.case-info strong {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--c-ink);
}

.case-info span {
  font-size: 0.8rem;
  color: var(--c-ink-60);
  line-height: 1.5;
}

/* ============================================================
   About
   ============================================================ */
.about-hero {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 40px;
}

.about-hero-fig {
  position: relative;
  z-index: 2;
  width: 240px;
  height: 240px;
  border-radius: var(--radius-card);
  overflow: hidden;
  margin-right: 48px;
  flex-shrink: 0;
}

.about-hero-placeholder {
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-mark {
  font-size: 1.2rem;
  font-weight: 900;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.05em;
}

.about-stats {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 48px;
}

.about-stats h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.about-stats .subtitle {
  color: var(--c-ink-60);
  margin-bottom: 32px;
}

.stats-bento {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 160px;
  gap: 14px;
}

.stat-card {
  background: var(--c-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 28px;
  display: flex;
  align-items: flex-end;
  border: 1px solid var(--c-ink-10);
  margin: 0;
  transition: transform var(--transition);
}

.stat-card:hover {
  transform: translateY(-2px);
}

.stat-card.stat-large {
  grid-column: span 2;
  background: var(--c-ink);
}

.stat-card.stat-large .stat-info strong {
  color: var(--c-white);
  font-size: 2.4rem;
}

.stat-card.stat-large .stat-info span {
  color: rgba(255,255,255,0.65);
}

.stat-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-info strong {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--c-ink);
  line-height: 1;
}

.stat-info span {
  font-size: 0.85rem;
  color: var(--c-ink-60);
}

/* ============================================================
   Contact
   ============================================================ */
.contact-cards-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 48px;
}

.contact-cards-section h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.contact-cards-section .subtitle {
  color: var(--c-ink-60);
  margin-bottom: 32px;
}

.contact-bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 200px;
  gap: 14px;
}

.contact-card {
  background: var(--c-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 32px;
  display: flex;
  align-items: flex-end;
  border: 1px solid var(--c-ink-10);
  margin: 0;
  transition: transform var(--transition), box-shadow var(--transition);
}

.contact-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(0,0,0,0.1);
}

.contact-card-main {
  grid-column: span 2;
  background: var(--c-ink);
}

.contact-card-main .contact-card-info strong {
  color: var(--c-white);
  font-size: 1.15rem;
}

.contact-card-main .contact-card-info span {
  color: rgba(255,255,255,0.72);
}

.contact-card-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.contact-card-info strong {
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-ink);
}

.contact-card-info span {
  font-size: 0.85rem;
  color: var(--c-ink-60);
  line-height: 1.6;
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-body h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-top: 32px;
  margin-bottom: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--c-ink-10);
}

.faq-body h2:first-child {
  border-top: none;
  padding-top: 0;
}

/* ============================================================
   Privacy
   ============================================================ */
.privacy-body h2 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-top: 32px;
  margin-bottom: 8px;
}

/* ============================================================
   Subtitle helper
   ============================================================ */
.subtitle {
  color: var(--c-ink-60);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ============================================================
   Footer — footer > section×n 契约
   ============================================================ */
.site-footer {
  background: var(--c-ink);
  color: var(--c-white);
  padding: 40px 0 0;
  margin-top: 80px;
}

.footer-brand {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px 32px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-logo {
  display: block;
  font-size: clamp(2.4rem, 7vw, 5rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--c-white);
  opacity: 0.9;
  line-height: 1;
}

.footer-copy {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 48px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-copy p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
}

.footer-copy nav {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.footer-copy nav a {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
  border-radius: var(--radius-pill);
  min-height: 40px;
  transition: color var(--transition), background var(--transition);
}

.footer-copy nav a:hover {
  color: var(--c-white);
  background: rgba(255,255,255,0.08);
}

/* ============================================================
   Scroll Reveal Animation
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {
  .bento-card,
  .service-card,
  .child-card,
  .case-card,
  .stat-card,
  .contact-card {
    opacity: 0;
    transform: translateY(20px);
    animation: revealUp 0.5s ease forwards;
  }

  .bento-card:nth-child(1) { animation-delay: 0.05s; }
  .bento-card:nth-child(2) { animation-delay: 0.1s; }
  .bento-card:nth-child(3) { animation-delay: 0.15s; }
  .bento-card:nth-child(4) { animation-delay: 0.2s; }
  .bento-card:nth-child(5) { animation-delay: 0.25s; }

  .service-card:nth-child(1) { animation-delay: 0.05s; }
  .service-card:nth-child(2) { animation-delay: 0.1s; }
  .service-card:nth-child(3) { animation-delay: 0.15s; }
  .service-card:nth-child(4) { animation-delay: 0.2s; }
  .service-card:nth-child(5) { animation-delay: 0.25s; }
  .service-card:nth-child(6) { animation-delay: 0.3s; }

  @keyframes revealUp {
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================================
   Responsive — Tablet ≤900px
   ============================================================ */
@media (max-width: 900px) {
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bento-card.card-2x2 {
    grid-column: span 2;
    grid-row: span 1;
  }

  .bento-card.card-2x1 {
    grid-column: span 2;
  }

  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .content-section {
    grid-template-columns: 1fr;
    padding: 40px 24px;
  }

  .content-deco {
    display: none;
  }

  .content-body {
    grid-column: 1;
  }

  .content-aside {
    grid-column: 1;
    position: static;
  }

  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .case-card-1 { grid-column: span 2; }

  .stats-bento {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-card.stat-large {
    grid-column: span 2;
  }

  .about-hero {
    grid-template-columns: 1fr;
  }

  .about-hero-fig {
    display: none;
  }

  .service-hero-inner {
    grid-template-columns: 1fr;
    padding: 0 24px;
  }

  .service-hero-fig {
    display: none;
  }

  .contact-bento {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
  }

  .contact-card-main {
    grid-column: span 1;
  }
}

/* ============================================================
   Responsive — Mobile ≤600px
   ============================================================ */
@media (max-width: 600px) {
  .top-nav {
    padding: 0 16px;
    gap: 6px;
  }

  .nav-left {
    display: none;
  }

  .nav-right {
    gap: 4px;
  }

  .nav-right .nav-pill {
    display: none;
  }

  .nav-right .nav-cta {
    display: inline-flex;
  }

  .hero-content {
    padding: 60px 24px 60px;
  }

  .hero-h1 {
    font-size: 2.2rem;
  }

  .hero-bg-text {
    font-size: 6rem;
  }

  .bento-section,
  .cases-grid-section,
  .about-stats,
  .contact-cards-section,
  .children-section {
    padding: 40px 16px;
  }

  .bento-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
  }

  .bento-card.card-2x2,
  .bento-card.card-2x1,
  .bento-card.card-1x1 {
    grid-column: span 1;
    grid-row: span 1;
    min-height: 140px;
  }

  .service-grid {
    padding: 0 16px;
    grid-template-columns: 1fr;
  }

  .services-section h2,
  .services-section .subtitle {
    padding-left: 16px;
    padding-right: 16px;
  }

  .cases-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
  }

  .case-card,
  .case-card-1,
  .case-card-2,
  .case-card-3 {
    grid-column: span 1;
    min-height: 140px;
  }

  .stats-bento {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: 130px;
  }

  .stat-card.stat-large {
    grid-column: span 2;
  }

  .inner-hero {
    padding: 52px 0 44px;
  }

  .inner-hero-content {
    padding: 0 20px;
  }

  .inner-hero-content h1 {
    font-size: 1.9rem;
  }

  .inner-hero-bg {
    font-size: 5rem;
    right: 16px;
  }

  .footer-brand {
    padding: 0 20px 24px;
  }

  .footer-copy {
    padding: 20px 20px 24px;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .subnav-list {
    padding: 0 16px;
  }

  .children-grid {
    grid-template-columns: 1fr;
  }

  .contact-bento {
    grid-auto-rows: auto;
    gap: 12px;
  }

  .contact-card {
    min-height: 140px;
  }
}