/* =============================================
   杭州搭子网络科技有限公司 - Design System
   Design System: "Architectural Curator"
   Primary: #FEC104 (Energetic Gold)
   Base: #1A1C1C (Obsidian)
   ============================================= */

/* ── CSS Custom Properties ── */
:root {
  --color-primary:              #785a00;
  --color-primary-container:    #FEC104;
  --color-on-primary-container: #6d5100;
  --color-on-background:        #1A1C1C;
  --color-on-surface:           #1A1C1C;
  --color-secondary:            #5f5e5e;
  --color-surface:              #f9f9f9;
  --color-surface-low:          #f3f3f3;
  --color-surface-container:    #eeeeee;
  --color-surface-high:         #e8e8e8;
  --color-surface-white:        #ffffff;
  --color-outline-variant:      #d3c5ab;
  --color-obsidian:             #1A1C1C;

  --font-headline: 'Plus Jakarta Sans', ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  --font-body:     'Inter', ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, "Noto Sans", "Liberation Sans", sans-serif;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-ambient: 0 20px 40px rgba(26, 28, 28, 0.06);
  --shadow-card:    0 2px 16px rgba(26, 28, 28, 0.07);
  --nav-height: 72px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background-color: var(--color-surface);
  color: var(--color-on-background);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headline);
  letter-spacing: -0.02em;
  color: var(--color-on-background);
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

::selection {
  background-color: rgba(254, 193, 4, 0.25);
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-surface-low); }
::-webkit-scrollbar-thumb { background: var(--color-outline-variant); border-radius: 99px; }

/* ── Typography Scale ── */
.display-lg  { font-size: clamp(3rem, 7vw, 5.5rem); font-weight: 800; line-height: 1.05; letter-spacing: -0.03em; }
.display-md  { font-size: clamp(2.5rem, 5vw, 4rem);  font-weight: 800; line-height: 1.1;  letter-spacing: -0.025em; }
.headline-lg { font-size: clamp(2rem, 3.5vw, 3rem);  font-weight: 700; line-height: 1.15; letter-spacing: -0.02em; }
.headline-md { font-size: clamp(1.5rem, 2.5vw, 2rem); font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }
.headline-sm { font-size: 1.25rem; font-weight: 700; }
.body-lg     { font-size: 1.125rem; font-weight: 400; line-height: 1.75; }
.body-md     { font-size: 1rem; line-height: 1.7; }
.label-sm    { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; }

/* ── Color Utilities ── */
.text-primary   { color: var(--color-primary) !important; }
.text-secondary { color: var(--color-secondary) !important; }
.text-gold      { color: var(--color-primary-container) !important; }
.text-obsidian  { color: var(--color-obsidian) !important; }
.text-white     { color: #ffffff !important; }

.bg-surface       { background-color: var(--color-surface);           }
.bg-surface-low   { background-color: var(--color-surface-low);       }
.bg-surface-cont  { background-color: var(--color-surface-container); }
.bg-surface-high  { background-color: var(--color-surface-high);      }
.bg-surface-white { background-color: var(--color-surface-white);     }
.bg-obsidian      { background-color: var(--color-obsidian);          }
.bg-gold          { background-color: var(--color-primary-container); }
.bg-primary       { background-color: var(--color-primary);           }

/* ── Navigation ── */
#main-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(255,255,255,0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(211, 197, 171, 0.18);
  transition: box-shadow 0.3s ease, background 0.3s ease;
}

#main-nav.scrolled {
  box-shadow: 0 2px 24px rgba(26,28,28,0.08);
  background: rgba(255,255,255,0.95);
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  height: 100%;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-logo {
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: var(--color-on-background);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.nav-logo-mark {
  width: 32px;
  height: 32px;
  background: var(--color-primary-container);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-size: 1rem;
  font-weight: 900;
  color: var(--color-on-primary-container);
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-family: var(--font-headline);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-secondary);
  transition: color 0.2s ease;
  position: relative;
  padding-bottom: 2px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary-container);
  transition: width 0.25s ease;
}

.nav-links a:hover        { color: var(--color-on-background); }
.nav-links a:hover::after { width: 100%; }

.nav-links a.active {
  color: var(--color-primary);
  font-weight: 700;
}

.nav-links a.active::after { width: 100%; }

.btn-nav-cta {
  font-family: var(--font-headline);
  font-size: 0.875rem;
  font-weight: 700;
  padding: 0.55rem 1.4rem;
  border-radius: var(--radius-sm);
  background: var(--color-primary-container);
  color: var(--color-on-primary-container);
  border: none;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.15s;
  flex-shrink: 0;
}

.btn-nav-cta:hover  { opacity: 0.88; }
.btn-nav-cta:active { transform: scale(0.97); }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-on-background);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Mobile Menu */
.nav-mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  width: 100%;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(20px);
  padding: 1.5rem 2rem 2rem;
  border-bottom: 1px solid var(--color-surface-container);
  box-shadow: 0 8px 32px rgba(26,28,28,0.1);
  z-index: 999;
}

.nav-mobile.show { display: block; }

.nav-mobile a {
  display: block;
  padding: 0.85rem 0;
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-secondary);
  border-bottom: 1px solid var(--color-surface-container);
  transition: color 0.2s;
}

.nav-mobile a:last-of-type { border-bottom: none; }
.nav-mobile a:hover, .nav-mobile a.active { color: var(--color-primary); }

.nav-mobile .btn-nav-cta {
  margin-top: 1.25rem;
  width: 100%;
  text-align: center;
  padding: 0.85rem;
  font-size: 1rem;
}

/* ── Page Wrapper ── */
.page-wrap { padding-top: var(--nav-height); }

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.875rem 2rem;
  background: var(--color-primary-container);
  color: var(--color-on-primary-container);
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.9375rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 4px 16px rgba(254,193,4,0.2);
}

.btn-primary:hover  { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 8px 24px rgba(254,193,4,0.28); }
.btn-primary:active { transform: scale(0.98); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.875rem 2rem;
  background: transparent;
  color: var(--color-on-background);
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.9375rem;
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-primary);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-secondary:hover {
  background: rgba(254,193,4,0.07);
  border-color: var(--color-primary-container);
  color: var(--color-primary);
}

.btn-dark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.875rem 2rem;
  background: var(--color-obsidian);
  color: #fff;
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.9375rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.15s;
}

.btn-dark:hover  { opacity: 0.88; }
.btn-dark:active { transform: scale(0.98); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.875rem 2rem;
  background: transparent;
  color: #fff;
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.9375rem;
  border-radius: var(--radius-sm);
  border: 2px solid rgba(255,255,255,0.35);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
}

/* ── Section ── */
.section { padding: 6rem 0; }
.section-sm { padding: 4rem 0; }
.section-lg { padding: 8rem 0; }

.container-xl {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ── Section Labels ── */
.section-eyebrow {
  display: inline-block;
  font-family: var(--font-headline);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.section-divider {
  width: 56px;
  height: 4px;
  background: var(--color-primary-container);
  border-radius: 2px;
  margin-top: 1rem;
}

/* ── Cards ── */
.card-base {
  background: var(--color-surface-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.card-hover {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-hover:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-ambient);
}

/* ── Hero ── */
.hero {
  position: relative;
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-surface);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.13;
}

.hero-bg-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-surface) 40%, transparent 100%);
}

.hero-bg-blob {
  position: absolute;
  top: -120px;
  right: -180px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(254,193,4,0.12) 0%, transparent 70%);
  z-index: 1;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.4rem 1rem;
  background: rgba(254,193,4,0.12);
  border: 1px solid rgba(254,193,4,0.3);
  border-radius: 99px;
  font-family: var(--font-headline);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 1.75rem;
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary-container);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.7); }
}

.hero-title { color: var(--color-on-background); margin-bottom: 0.5rem; }

.hero-title-accent { color: var(--color-primary); }

.hero-subtitle {
  font-family: var(--font-headline);
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 400;
  color: var(--color-secondary);
  letter-spacing: 0.04em;
  margin-bottom: 2.75rem;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

/* ── Stat Block ── */
.stat-block {
  background: var(--color-surface-white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
}

.stat-block::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(254,193,4,0.12) 0%, transparent 70%);
  transition: transform 0.6s ease;
}

.stat-block:hover::before { transform: scale(2); }

.stat-number {
  font-family: var(--font-headline);
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-secondary);
}

/* ── About Section ── */
.about-img-wrap {
  position: relative;
}

.about-img-bg {
  position: absolute;
  top: -16px;
  left: -16px;
  width: 100%;
  height: 100%;
  background: rgba(254,193,4,0.12);
  border-radius: var(--radius-lg);
  z-index: 0;
}

.about-img {
  position: relative;
  z-index: 1;
  border-radius: var(--radius-lg);
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  box-shadow: 0 24px 64px rgba(26,28,28,0.12);
}

.about-badge {
  position: absolute;
  bottom: -24px;
  left: -24px;
  z-index: 2;
  background: var(--color-primary-container);
  padding: 1.5rem 1.75rem;
  border-radius: var(--radius-md);
  box-shadow: 0 12px 28px rgba(254,193,4,0.3);
}

.about-badge-num {
  font-family: var(--font-headline);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-on-primary-container);
  line-height: 1;
}

.about-badge-text {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-on-primary-container);
  margin-top: 4px;
}

/* ── Business Cards ── */
.biz-card {
  background: var(--color-surface-white);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-card);
  border-top: 4px solid transparent;
  transition: all 0.35s ease;
}

.biz-card:hover {
  border-top-color: var(--color-primary-container);
  box-shadow: var(--shadow-ambient);
  transform: translateY(-4px);
}

.biz-card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(254,193,4,0.12);
  display: grid;
  place-items: center;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  color: var(--color-primary);
  transition: background 0.3s;
}

.biz-card:hover .biz-card-icon {
  background: var(--color-primary-container);
  color: var(--color-on-primary-container);
}

/* ── Channel Strip ── */
.channel-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  opacity: 0.45;
  filter: grayscale(1);
  transition: opacity 0.5s, filter 0.5s;
}

.channel-strip:hover { opacity: 1; filter: grayscale(0); }

.channel-name {
  font-family: var(--font-headline);
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-on-background);
}

/* ── Brand Spotlight ── */
.brand-spotlight {
  background: var(--color-obsidian);
  position: relative;
  overflow: hidden;
}

.brand-spotlight-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.brand-spotlight-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.1;
}

/* ── Team Grid ── */
.team-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3/4;
  background: var(--color-surface-container);
}

.team-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.team-card:hover img { transform: scale(1.07); }

/* ── Page Hero (inner pages) ── */
.page-hero {
  height: 380px;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding-bottom: 3.5rem;
  overflow: hidden;
  background: var(--color-surface-container);
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  filter: grayscale(0.6);
}

.page-hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--color-surface) 35%, transparent 100%);
}

.page-hero-content { position: relative; z-index: 2; }

/* ── Timeline ── */
.timeline {
  position: relative;
  padding: 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(211,197,171,0.35);
  transform: translateX(-50%);
}

.timeline-item {
  display: grid;
  grid-template-columns: 1fr 48px 1fr;
  gap: 2rem;
  align-items: start;
  margin-bottom: 4rem;
}

.timeline-item:last-child { margin-bottom: 0; }

.timeline-dot {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary-container);
  display: grid;
  place-items: center;
  border: 4px solid var(--color-surface);
  box-shadow: 0 0 0 2px rgba(254,193,4,0.35);
  align-self: start;
  position: relative;
  z-index: 1;
}

.timeline-dot i { font-size: 1rem; color: var(--color-on-primary-container); }

.timeline-year {
  font-family: var(--font-headline);
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.timeline-title { font-size: 1.25rem; font-weight: 700; margin-bottom: 0.5rem; }
.timeline-desc  { color: var(--color-secondary); line-height: 1.7; }

.timeline-left  { text-align: right; }
.timeline-right { text-align: left; }

/* ── Mission/Vision Cards ── */
.mv-card {
  padding: 3rem;
  border-radius: var(--radius-lg);
}

.mv-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  margin-bottom: 1.75rem;
  font-size: 1.3rem;
}

/* ── Core Values ── */
.value-item { text-align: center; }

.value-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-surface-container);
  display: grid;
  place-items: center;
  margin: 0 auto 1.25rem;
  font-size: 1.35rem;
  color: var(--color-primary);
  transition: background 0.3s, transform 0.3s;
}

.value-item:hover .value-icon {
  background: var(--color-primary-container);
  color: var(--color-on-primary-container);
  transform: scale(1.08);
}

/* ── Bento Business Grid ── */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.25rem;
}

.bento-span-8  { grid-column: span 8; }
.bento-span-4  { grid-column: span 4; }
.bento-span-5  { grid-column: span 5; }
.bento-span-7  { grid-column: span 7; }
.bento-span-12 { grid-column: span 12; }

.bento-card {
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.bento-card:hover { transform: translateY(-4px); }

/* ── Tag Pills ── */
.tag-pill {
  display: inline-block;
  padding: 0.3rem 0.85rem;
  background: var(--color-surface-container);
  border-radius: 99px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary);
}

/* ── Tech Advantage ── */
.tech-tile {
  background: var(--color-surface-high);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: background 0.3s;
}

.tech-tile:hover { background: var(--color-surface-container); }

.tech-tile-num {
  font-family: var(--font-headline);
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: -0.04em;
}

/* ── CTA Dark ── */
.cta-dark {
  background: var(--color-obsidian);
  border-radius: var(--radius-xl);
  padding: 5rem 4rem;
  position: relative;
  overflow: hidden;
}

.cta-dark-glow {
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(120,90,0,0.35) 0%, transparent 70%);
  pointer-events: none;
}

/* ── Contact Form ── */
.contact-field {
  width: 100%;
  background: var(--color-surface-low);
  border: none;
  border-bottom: 2px solid transparent;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  padding: 1rem 1.25rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-on-background);
  outline: none;
  transition: background 0.2s, border-color 0.2s;
}

.contact-field::placeholder { color: #aaa; }

.contact-field:focus {
  background: var(--color-surface-white);
  border-bottom-color: var(--color-primary);
}

.contact-label {
  display: block;
  font-family: var(--font-headline);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: 0.5rem;
}

.contact-info-tile {
  background: var(--color-surface-white);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(254,193,4,0.12);
  display: grid;
  place-items: center;
  font-size: 1.2rem;
  color: var(--color-primary);
}

/* ── Partner Mosaic ── */
.partner-mosaic {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.partner-tile {
  background: rgba(255,255,255,0.5);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: grid;
  place-items: center;
  transition: background 0.3s;
}

.partner-tile:nth-child(even) { margin-top: 1.25rem; }

.partner-tile:hover { background: rgba(255,255,255,0.9); }

.partner-tile-name {
  font-family: var(--font-headline);
  font-size: 1.1rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--color-on-background);
  opacity: 0.35;
  transition: opacity 0.3s;
}

.partner-tile:hover .partner-tile-name { opacity: 1; }

/* ── Footer ── */
footer {
  background: var(--color-surface-low);
  border-top: 1px solid rgba(211,197,171,0.2);
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 4.5rem 2rem 2rem;
}

.footer-logo {
  font-family: var(--font-headline);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-on-background);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-desc {
  color: var(--color-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
  max-width: 320px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.875rem;
  color: var(--color-secondary);
  margin-bottom: 0.5rem;
}

.footer-contact-item a { color: var(--color-primary); transition: opacity 0.2s; }
.footer-contact-item a:hover { opacity: 0.75; }

.footer-col-title {
  font-family: var(--font-headline);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-on-background);
  margin-bottom: 1.25rem;
}

.footer-links { list-style: none; padding: 0; }

.footer-links li + li { margin-top: 0.65rem; }

.footer-links a {
  font-size: 0.875rem;
  color: var(--color-secondary);
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--color-primary); }

.footer-bottom {
  border-top: 1px solid rgba(211,197,171,0.2);
  padding: 1.5rem 2rem;
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.footer-bottom p, .footer-bottom a {
  font-size: 0.8rem;
  color: var(--color-secondary);
}

.footer-bottom a:hover { color: var(--color-primary); }

/* ── Scroll Reveal (initial state) ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Map Placeholder ── */
.map-placeholder {
  width: 100%;
  height: 320px;
  border-radius: var(--radius-lg);
  background: var(--color-surface-high);
  overflow: hidden;
  position: relative;
}

.map-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.5);
  transition: transform 0.5s ease;
}

.map-placeholder:hover img { transform: scale(1.04); }

.map-pin {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.map-pin-inner {
  background: var(--color-obsidian);
  color: #fff;
  padding: 0.6rem 1.25rem;
  border-radius: 99px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-headline);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: 0 8px 24px rgba(26,28,28,0.25);
}

.map-pin-inner i { color: var(--color-primary-container); }

/* ── Back to Top ── */
#back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-obsidian);
  color: #fff;
  border: none;
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 1rem;
  box-shadow: 0 4px 16px rgba(26,28,28,0.2);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
  z-index: 999;
}

#back-to-top.show { opacity: 1; pointer-events: auto; }
#back-to-top:hover { transform: translateY(-2px); }

/* ── Counter Animation ── */
.count-up { display: inline-block; }

/* ── Responsive ── */
@media (max-width: 1100px) {
  .bento-span-8  { grid-column: span 12; }
  .bento-span-4  { grid-column: span 12; }
  .bento-span-5  { grid-column: span 12; }
  .bento-span-7  { grid-column: span 12; }

  .timeline::before { display: none; }
  .timeline-item {
    grid-template-columns: 48px 1fr;
    grid-template-rows: auto;
  }
  .timeline-dot  { grid-row: 1; grid-column: 1; }
  .timeline-left,
  .timeline-right { grid-column: 2; text-align: left; }
}

@media (max-width: 768px) {
  :root { --nav-height: 64px; }

  .nav-links, .btn-nav-cta { display: none !important; }
  .nav-hamburger { display: flex !important; }

  .section    { padding: 4rem 0; }
  .section-lg { padding: 5rem 0; }

  .about-badge { display: none; }

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

  .cta-dark { padding: 3rem 2rem; }

  .page-hero { height: 280px; }
}

@media (max-width: 480px) {
  .hero-cta-group { flex-direction: column; align-items: flex-start; }
  .partner-mosaic { grid-template-columns: 1fr 1fr; }
}