/* ============================================
   RUNCHI 润驰 — 极简黑白官网样式
   Brand: Premium, Minimalist, Restrained Luxury
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
  --color-bg: #FFFFFF;
  --color-bg-alt: #F5F5F5;
  --color-bg-dark: #0D0D0D;
  --color-text: #1A1A1A;
  --color-text-secondary: #6B6B6B;
  --color-text-light: #999999;
  --color-text-on-dark: #E5E5E5;
  --color-border: #E8E8E8;
  --color-border-light: #F0F0F0;
  --color-border-subtle: #F2F2F2;

  --font-primary: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Helvetica Neue', 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  --font-display: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', 'PingFang SC', sans-serif;

  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 48px;
  --spacing-xl: 80px;
  --spacing-2xl: 120px;

  --max-width: 1400px;
  --header-height: 80px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

body.no-scroll {
  overflow: hidden;
}

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

ul {
  list-style: none;
}

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

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}


/* ==========================================
   HEADER / NAVIGATION
   ========================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-smooth), background var(--transition-smooth);
}

.header.scrolled {
  border-bottom-color: var(--color-border-light);
}

/* Solid background when dropdown is open */
.header.has-dropdown {
  border-bottom-color: var(--color-border-light);
  background: #FFFFFF;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

/* --- Header Inner (logo + nav + icons) stays ABOVE dropdown --- */
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  height: 100%;
  position: relative;
  z-index: 2;
  background: transparent;
}

/* --- Brand LOGO (Centered, always visible) --- */
.logo {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  line-height: 1;
  z-index: 3;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.logo-sub {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.35em;
  color: var(--color-text-secondary);
  margin-top: 2px;
}

.logo:hover .logo-text {
  color: var(--color-text-secondary);
}

/* --- Left Navigation --- */
.nav-left {
  margin-right: auto;
}

.nav-list {
  display: flex;
  gap: var(--spacing-lg);
}

.nav-item {
  position: static;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-text);
  padding: 8px 0;
  position: relative;
  transition: color var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-text);
  transition: width var(--transition-smooth);
}

.nav-link:hover::after,
.nav-link.active::after,
.nav-link:focus-visible::after {
  width: 100%;
}

/* --- Right Icon Actions --- */
.nav-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 4px;
}

.icon-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  border-radius: 50%;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.icon-btn:hover {
  background: var(--color-bg-alt);
  color: var(--color-text-secondary);
}

.icon-btn svg {
  width: 20px;
  height: 20px;
  stroke-width: 1.5;
}

.hamburger {
  display: none;
}


/* ==========================================
   BRAND DROPDOWN — Container
   Full-width, starts at header bottom, never covers logo
   ========================================== */
.brand-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #FFFFFF;
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.07), 0 4px 12px rgba(0, 0, 0, 0.03);
  z-index: 1;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition:
    opacity 0.28s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.28s cubic-bezier(0.4, 0, 0.2, 1),
    visibility 0.28s;
  max-height: 65vh;
  overflow-y: auto;
}

.brand-dropdown.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* --- Close Button (inside dropdown area, top-right) --- */
.brand-dropdown-close {
  position: absolute;
  top: 20px;
  right: var(--spacing-lg);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--color-text-secondary);
  z-index: 5;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.brand-dropdown-close:hover {
  background: var(--color-bg-alt);
  color: var(--color-text);
}

.brand-dropdown-close svg {
  width: 20px;
  height: 20px;
  stroke-width: 1.5;
}


/* ==========================================
   DROPDOWN PANELS — one per nav category
   ========================================== */
.dropdown-panel {
  display: none;
}

.dropdown-panel.active {
  display: block;
}

.dp-inner {
  display: grid;
  grid-template-columns: 360px 1fr;
  max-width: var(--max-width);
  margin: 0 auto;
  padding-right: 80px;
  min-height: 340px;
}

/* --- Left: Feature Image + Description --- */
.dp-feature {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--color-border-subtle);
  background: var(--color-bg-alt);
}

.dp-feature-image {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.dp-feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.72) saturate(0.6);
  transition: filter var(--transition-slow), transform var(--transition-slow);
}

.dp-feature:hover .dp-feature-image img {
  filter: brightness(0.55) saturate(0.4);
  transform: scale(1.04);
}

.dp-feature-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.05) 0%,
    rgba(0, 0, 0, 0.3) 60%,
    rgba(0, 0, 0, 0.65) 100%
  );
}

.dp-feature-text {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-md);
  color: #FFFFFF;
}

.dp-feature-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.25em;
  opacity: 0.6;
  text-transform: uppercase;
  display: block;
  margin-bottom: 6px;
}

.dp-feature-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 300;
  letter-spacing: 0.03em;
  line-height: 1.15;
}

.dp-feature-bottom {
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  flex: 1;
  justify-content: center;
}

.dp-feature-desc {
  font-size: 13px;
  font-weight: 300;
  line-height: 1.75;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.dp-feature-tagline {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border);
}

.dp-feature-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-text);
  transition: gap var(--transition-fast), opacity var(--transition-fast);
}

.dp-feature-link svg {
  width: 15px;
  height: 15px;
  stroke-width: 2;
}

.dp-feature-link:hover {
  gap: 14px;
  opacity: 0.6;
}

/* --- Right: Navigation Links Grid --- */
.dp-nav {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-lg) var(--spacing-xl);
  gap: var(--spacing-lg);
  align-content: start;
}

.dp-col-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-text);
  display: inline-block;
}

.dp-col-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.dp-col-list a {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
  display: block;
  padding: 2px 0;
  letter-spacing: 0.02em;
}

.dp-col-list a:hover {
  color: var(--color-text);
  padding-left: 3px;
}


/* ==========================================
   SEARCH OVERLAY
   ========================================== */
.search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
}

.search-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.search-inner {
  position: relative;
  width: 100%;
  max-width: 600px;
  padding: 0 var(--spacing-lg);
}

.search-input {
  width: 100%;
  font-size: 32px;
  font-weight: 300;
  font-family: var(--font-primary);
  border: none;
  border-bottom: 2px solid var(--color-text);
  background: transparent;
  padding: 16px 60px 16px 0;
  outline: none;
  color: var(--color-text);
  letter-spacing: 0.02em;
}

.search-input::placeholder {
  color: var(--color-text-light);
}

.search-close {
  position: absolute;
  right: var(--spacing-lg);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background var(--transition-fast);
}

.search-close:hover {
  background: var(--color-bg-alt);
}

.search-close svg {
  width: 24px;
  height: 24px;
}


/* ==========================================
   MOBILE MENU
   ========================================== */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.mobile-nav-link {
  font-size: 24px;
  font-weight: 300;
  letter-spacing: 0.05em;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.mobile-nav-link:hover {
  color: var(--color-text-light);
}


/* ==========================================
   HERO BANNER CAROUSEL
   ========================================== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  overflow: hidden;
  background: var(--color-bg-dark);
}

.carousel {
  height: 100%;
  position: relative;
}

.carousel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1s cubic-bezier(0.4, 0, 0.2, 1), visibility 1s;
}

.carousel-slide.active {
  opacity: 1;
  visibility: visible;
}

.carousel-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transform: scale(1.05);
  transition: transform 6s cubic-bezier(0.25, 0, 0, 1);
}

.carousel-slide.active .carousel-bg {
  transform: scale(1);
}

.carousel-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.25) 0%,
    rgba(0, 0, 0, 0.35) 50%,
    rgba(0, 0, 0, 0.55) 100%
  );
}

.carousel-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #FFFFFF;
  padding: var(--spacing-xl);
  max-width: 800px;
  margin: 0 auto;
}

.carousel-tag {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.25em;
  margin-bottom: var(--spacing-md);
  opacity: 0.7;
  text-transform: uppercase;
}

.carousel-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5.5vw, 72px);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: 0.02em;
  margin-bottom: var(--spacing-md);
}

.carousel-subtitle {
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 300;
  letter-spacing: 0.04em;
  opacity: 0.85;
  margin-bottom: var(--spacing-lg);
}

/* --- CTA Buttons --- */
.btn-primary {
  display: inline-block;
  padding: 16px 48px;
  background: #FFFFFF;
  color: var(--color-text);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.1em;
  transition: all var(--transition-smooth);
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--color-text);
  color: #FFFFFF;
}

.btn-ghost,
.btn-ghost-white {
  display: inline-block;
  padding: 15px 47px;
  background: transparent;
  border: 1px solid var(--color-text);
  color: var(--color-text);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.1em;
  transition: all var(--transition-smooth);
  cursor: pointer;
}

.btn-ghost:hover {
  background: var(--color-text);
  color: #FFFFFF;
}

.btn-ghost-white {
  border-color: rgba(255, 255, 255, 0.5);
  color: #FFFFFF;
}

.btn-ghost-white:hover {
  border-color: #FFFFFF;
  background: #FFFFFF;
  color: var(--color-text);
}

.btn-group {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* --- Carousel Controls --- */
.carousel-controls {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  z-index: 5;
  display: flex;
  justify-content: space-between;
  padding: 0 40px;
  pointer-events: none;
}

.carousel-arrow {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  pointer-events: auto;
  transition: background var(--transition-fast);
}

.carousel-arrow:hover {
  background: rgba(255, 255, 255, 0.25);
}

.carousel-arrow svg {
  width: 22px;
  height: 22px;
  stroke-width: 1.5;
}

/* --- Carousel Dots --- */
.carousel-dots {
  position: absolute;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  gap: 12px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  transition: all var(--transition-smooth);
  cursor: pointer;
}

.dot.active,
.dot:hover {
  background: #FFFFFF;
  width: 32px;
  border-radius: 4px;
}

/* --- Scroll Indicator --- */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  animation: floatDown 2s ease-in-out infinite;
}

.scroll-chevron {
  width: 16px;
  height: 16px;
}

@keyframes floatDown {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}


/* ==========================================
   SECTIONS — Shared
   ========================================== */
.section {
  padding: var(--spacing-2xl) var(--spacing-lg);
}

.section-dark {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
}

.section-light {
  background: var(--color-bg);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-light);
  display: block;
  margin-bottom: var(--spacing-sm);
}

.section-dark .section-label {
  color: rgba(255, 255, 255, 0.4);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 300;
  letter-spacing: 0.02em;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

.section-desc {
  font-size: 17px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.section-dark .section-desc {
  color: rgba(255, 255, 255, 0.55);
}


/* ==========================================
   BUSINESS OVERVIEW
   ========================================== */
.business-overview {
  background: var(--color-bg);
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  max-width: var(--max-width);
  margin: 0 auto;
}

.business-card {
  display: block;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-smooth);
}

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

.business-image {
  overflow: hidden;
  aspect-ratio: 3 / 4;
}

.business-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.85) saturate(0.7);
  transition: filter var(--transition-slow), transform var(--transition-slow);
}

.business-card:hover .business-image img {
  filter: brightness(0.65) saturate(0.5);
  transform: scale(1.05);
}

.business-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-lg);
  color: #FFFFFF;
  background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
}

.business-number {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 200;
  line-height: 1;
  opacity: 0.5;
  display: block;
  margin-bottom: var(--spacing-xs);
}

.business-info h3 {
  font-size: 22px;
  font-weight: 400;
  letter-spacing: 0.03em;
  margin-bottom: 10px;
}

.business-info p {
  font-size: 14px;
  font-weight: 300;
  opacity: 0.7;
  line-height: 1.6;
  margin-bottom: var(--spacing-sm);
  max-width: 90%;
}

.business-link {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity var(--transition-smooth), transform var(--transition-smooth);
}

.business-link svg {
  width: 16px;
  height: 16px;
}

.business-card:hover .business-link {
  opacity: 1;
  transform: translateX(0);
}


/* ==========================================
   SPLIT SECTIONS
   ========================================== */
.section-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 0;
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-split.reverse {
  direction: rtl;
}

.section-split.reverse .split-content {
  direction: ltr;
}

.section-split.reverse .split-image {
  direction: ltr;
}

.split-image {
  overflow: hidden;
  height: 100%;
  min-height: 600px;
}

.split-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.split-image:hover img {
  transform: scale(1.03);
}

.split-content {
  padding: var(--spacing-xl);
  max-width: 580px;
  margin: 0 auto;
}

.split-content .section-label {
  margin-bottom: var(--spacing-md);
}

.split-content .section-title {
  margin-bottom: var(--spacing-md);
}

.split-content .section-desc {
  margin-bottom: var(--spacing-lg);
}

/* --- Feature List --- */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 15px;
  font-weight: 300;
  line-height: 1.6;
}

.feature-list li svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 1px;
  stroke-width: 1.5;
  color: var(--color-text-secondary);
}

.section-dark .feature-list li svg {
  color: rgba(255, 255, 255, 0.5);
}

.section-dark .feature-list li {
  color: rgba(255, 255, 255, 0.8);
}


/* ==========================================
   STATS
   ========================================== */
.stats {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.stat-item {
  padding: var(--spacing-lg);
  position: relative;
}

.stat-item::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 48px;
  background: var(--color-border);
}

.stat-item:last-child::after {
  display: none;
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 200;
  letter-spacing: 0.03em;
  display: block;
  line-height: 1.1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-text-secondary);
  letter-spacing: 0.05em;
}


/* ==========================================
   CTA SECTION
   ========================================== */
.cta {
  background: var(--color-bg-dark);
  text-align: center;
}

.cta-inner {
  max-width: 640px;
  margin: 0 auto;
}

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 300;
  color: #FFFFFF;
  letter-spacing: 0.02em;
  margin-bottom: var(--spacing-sm);
}

.cta-desc {
  font-size: 17px;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
}

.cta .btn-group {
  justify-content: center;
}


/* ==========================================
   FOOTER
   ========================================== */
.footer {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
  padding: var(--spacing-2xl) var(--spacing-lg) var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-2xl);
  padding-bottom: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1;
}

.footer-logo-text {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: #FFFFFF;
}

.footer-logo-sub {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.35em;
  color: rgba(255, 255, 255, 0.4);
  margin-top: 4px;
}

.footer-tagline {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.35);
  margin-top: var(--spacing-sm);
  letter-spacing: 0.06em;
  line-height: 1.8;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #FFFFFF;
  margin-bottom: var(--spacing-md);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.45);
  transition: color var(--transition-fast);
}

.footer-col ul a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.3);
}

.footer-social {
  display: flex;
  gap: 8px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: rgba(255, 255, 255, 0.4);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.footer-social a:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.08);
}

.footer-social svg {
  width: 18px;
  height: 18px;
}


/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

/* --- Tablet (≤1024px) --- */
@media (max-width: 1024px) {
  :root {
    --header-height: 72px;
    --spacing-2xl: 80px;
    --spacing-xl: 48px;
  }

  .nav-left {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .logo {
    position: static;
    transform: none;
  }

  .header-inner {
    justify-content: space-between;
  }

  /* Hide desktop dropdown on tablet */
  .brand-dropdown {
    display: none !important;
  }

  .business-grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 640px;
  }

  .carousel-controls {
    padding: 0 20px;
  }

  .carousel-arrow {
    width: 44px;
    height: 44px;
  }

  .section-split {
    grid-template-columns: 1fr;
  }

  .section-split.reverse {
    direction: ltr;
  }

  .split-image {
    min-height: 400px;
    order: -1;
  }

  .split-content {
    max-width: 100%;
    padding: var(--spacing-xl) var(--spacing-sm);
  }

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

  .stat-item:nth-child(2)::after {
    display: none;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

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

/* --- Mobile (≤640px) --- */
@media (max-width: 640px) {
  :root {
    --spacing-2xl: 64px;
    --spacing-xl: 40px;
    --spacing-lg: 32px;
    --spacing-md: 20px;
  }

  .logo-text {
    font-size: 18px;
  }

  .carousel-content {
    padding: var(--spacing-md);
  }

  .carousel-title {
    font-size: 32px;
  }

  .carousel-subtitle {
    font-size: 15px;
  }

  .carousel-controls {
    display: none;
  }

  .carousel-dots {
    bottom: 120px;
  }

  .scroll-indicator {
    bottom: 28px;
  }

  .btn-primary,
  .btn-ghost,
  .btn-ghost-white {
    padding: 14px 32px;
    font-size: 13px;
  }

  .btn-group {
    flex-direction: column;
    width: 100%;
  }

  .btn-group .btn-primary,
  .btn-group .btn-ghost,
  .btn-group .btn-ghost-white {
    text-align: center;
    width: 100%;
  }

  .business-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
  }

  .stat-item {
    padding: var(--spacing-md);
  }

  .stat-item::after {
    height: 32px;
  }

  .stat-number {
    font-size: 28px;
  }

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