/* ============================================================
   Shenzhen Fulaiying International Logistics — Corporate Website
   Style: Deep blue + gold accent, professional, responsive
   ============================================================ */

/* ----- CSS Custom Properties ----- */
:root {
  --color-primary: #1a3a5c;
  --color-primary-dark: #0f2640;
  --color-primary-light: #2a5a8a;
  --color-accent: #c8962e;
  --color-accent-light: #e0b04a;
  --color-accent-dark: #a67a20;
  --color-white: #ffffff;
  --color-bg: #f8f9fa;
  --color-bg-alt: #f0f2f5;
  --color-text: #2d3748;
  --color-text-light: #718096;
  --color-text-muted: #a0aec0;
  --color-border: #e2e8f0;
  --color-success: #22c55e;
  --color-whatsapp: #25D366;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 50px rgba(0,0,0,0.15);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --font-primary: 'Plus Jakarta Sans', 'Segoe UI', system-ui, sans-serif;
  --font-cn: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  --max-width: 1200px;
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-primary);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  word-break: break-word;
  hyphens: auto;
}

img, svg { display: block; max-width: 100%; }

::selection {
  background: rgba(200,150,46,0.25);
  color: var(--color-primary-dark);
}

/* ----- Language Visibility ----- */
/* Show Chinese title ONLY in zh mode; hide it in es/en/pt */
html[data-lang="es"] .hero-title-cn,
html[data-lang="en"] .hero-title-cn,
html[data-lang="pt"] .hero-title-cn,
html[data-lang="es"] .logo-cn,
html[data-lang="en"] .logo-cn,
html[data-lang="pt"] .logo-cn { display: none; }

/* Hide English title in zh mode */
html[data-lang="zh"] .hero-title-en,
html[data-lang="zh"] .logo-en { display: none; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, textarea { font-family: inherit; font-size: inherit; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  z-index: 1000;
  transition: var(--transition);
}

.navbar.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
  color: var(--color-primary);
  transition: var(--transition);
}

.logo:hover { opacity: 0.85; }

.logo-en {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo-cn {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-text);
  font-family: var(--font-cn);
  letter-spacing: 0.05em;
}

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 60%;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
  transition: transform 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: translateX(-50%) scaleX(1);
}

/* Lang Buttons */
.lang-buttons {
  display: inline-flex;
  gap: 4px;
  margin-left: 12px;
}

.lang-btn {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-light);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 5px 10px;
  cursor: pointer;
  transition: var(--transition);
}

.lang-btn:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background: rgba(200,150,46,0.06);
}

.lang-btn.active {
  color: var(--color-accent);
  background: rgba(200,150,46,0.12);
  border-color: var(--color-accent);
}

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: #0a1a2e;
  overflow: hidden;
  padding-top: var(--nav-height);
}

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

.hero-bg-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
  opacity: 0.55;
  filter: saturate(1) brightness(0.8);
}

.hero-overlay {
  display: none;
}

.hero-bg-shapes { display: none; }
.shape { display: none; }

.hero-image-card { display: none; }

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-white);
  max-width: 820px;
  margin: 0 auto;
  padding: 60px 24px;
}

.hero-badge {
  display: inline-block;
  padding: 8px 24px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  margin-bottom: 40px;
}

.hero-title {
  margin-bottom: 32px;
}

.hero-title-en {
  display: block;
  font-size: clamp(2.8rem, 6vw, 4.2rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: #ffffff;
}

.hero-title-cn {
  display: block;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: rgba(255,255,255,0.85);
  font-family: var(--font-cn);
  margin-top: 14px;
  letter-spacing: 0.1em;
  word-break: break-all;
  overflow-wrap: break-word;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.5vw, 1.15rem);
  color: rgba(255,255,255,0.7);
  max-width: 640px;
  margin: 0 auto 44px;
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 36px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  border: 2px solid transparent;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(200,150,46,0.45);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(200,150,46,0.25);
  transition: all 0.1s ease;
}

.btn-glow {
  box-shadow: 0 4px 15px rgba(200,150,46,0.25);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.4);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.8);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0,0,0,0.18);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.btn-outline:active {
  transform: translateY(0);
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
  transition: all 0.1s ease;
}

.btn-full {
  width: 100%;
}

.hero-scroll {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 60px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.05em;
  animation: scroll-float 2.4s cubic-bezier(0.16, 1, 0.3, 1) infinite;
}

@media (prefers-reduced-motion: reduce) {
  .hero-scroll {
    animation: none;
  }
}

@keyframes scroll-float {
  0%, 100% { transform: translateY(0); opacity: 0.4; }
  50% { transform: translateY(8px); opacity: 0.75; }
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(200,150,46,0.1);
  border: 1px solid rgba(200,150,46,0.2);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.25;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
}

.section-divider {
  width: 60px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 3px;
  margin: 20px auto 0;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  background: var(--color-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: 16px;
}

.about-text strong {
  color: var(--color-primary);
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 28px;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-primary);
}

.about-feature svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

.about-image-wrapper {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow:
    0 4px 6px -1px rgba(0,0,0,0.06),
    0 10px 30px -5px rgba(0,0,0,0.1),
    0 0 0 1px rgba(0,0,0,0.04);
  position: relative;
}

.about-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  aspect-ratio: 16 / 10;
}

.about-image-wrapper:hover img {
  transform: scale(1.04);
}

.about-image-placeholder {
  background: linear-gradient(135deg, rgba(26,58,92,0.03), rgba(200,150,46,0.05));
  border-radius: var(--radius-lg);
  padding: 30px;
  border: 1px solid var(--color-border);
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============================================================
   STATS
   ============================================================ */
.stats-section {
  position: relative;
  padding: 80px 0;
  background: var(--color-primary-dark);
  overflow: hidden;
}

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

.stats-bg-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 60%;
  opacity: 0.18;
  filter: brightness(0.55) saturate(0.7);
}

.stats-section .container {
  position: relative;
  z-index: 1;
}

.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(200,150,46,0.06) 0%, transparent 60%);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
  z-index: 1;
}

.stat-item {
  text-align: center;
  color: var(--color-white);
  padding: 24px;
}

.stat-number {
  display: inline-block;
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 40%, var(--color-white) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-suffix {
  display: inline-block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-left: 2px;
  vertical-align: super;
}

.stat-label {
  display: block;
  font-size: 0.95rem;
  color: rgba(255,255,255,0.7);
  margin-top: 8px;
  font-weight: 500;
}

/* ============================================================
   SERVICES
   ============================================================ */
.services {
  background: var(--color-bg);
  position: relative;
}

.services-header-bg {
  width: 100%;
  height: 4px;
  overflow: hidden;
  margin-bottom: 48px;
  background: linear-gradient(90deg, transparent 0%, var(--color-accent) 20%, var(--color-primary) 50%, var(--color-accent) 80%, transparent 100%);
  opacity: 0.4;
}

.services-header-bg img {
  display: none;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  border: 1px solid var(--color-border);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow:
    0 4px 6px -1px rgba(0,0,0,0.06),
    0 12px 34px -8px rgba(0,0,0,0.12);
  border-color: transparent;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  color: var(--color-primary);
  margin-bottom: 20px;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.service-card:hover .service-icon {
  color: var(--color-accent);
  transform: translateY(-2px);
}

.service-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.service-desc {
  font-size: 0.92rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ============================================================
   WHY US
   ============================================================ */
.why-us {
  background: var(--color-white);
  position: relative;
  padding-top: 0;
}

.why-us-header-img {
  width: 100%;
  height: 280px;
  overflow: hidden;
  margin-bottom: 56px;
  border-radius: 0;
  position: relative;
}

.why-us-header-img::after {
  display: none;
}

.why-us-header-img::before {
  display: none;
}

.why-us-header-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  display: block;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.why-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 36px 32px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.why-card:hover {
  transform: translateY(-3px);
  box-shadow:
    0 4px 6px -1px rgba(0,0,0,0.05),
    0 10px 24px -6px rgba(0,0,0,0.08);
  border-color: rgba(200,150,46,0.25);
  background: var(--color-white);
}

.why-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(200,150,46,0.12);
  line-height: 1;
  position: absolute;
  top: 16px;
  right: 20px;
  pointer-events: none;
}

.why-icon {
  color: var(--color-accent);
}

.why-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
}

.why-desc {
  font-size: 0.92rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  background: var(--color-bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  max-width: 780px;
  margin: 0 auto;
}

.contact-form-wrapper {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 40px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-white);
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(200,150,46,0.12);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
}

.form-success {
  text-align: center;
  padding: 40px 20px;
}

.form-success svg {
  margin: 0 auto 20px;
}

.form-success h3 {
  font-size: 1.4rem;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.form-success p {
  color: var(--color-text-light);
}

/* Contact Info */
.contact-info-card {
  background: var(--color-primary);
  border-radius: var(--radius-md);
  padding: 48px 48px;
  color: var(--color-white);
}

.contact-info-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 20px;
  font-size: 0.92rem;
  line-height: 1.5;
}

.contact-info-item svg {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-info-item > div {
  display: flex;
  flex-direction: column;
}

/* ── Business Card ── */
.business-card {
  background: linear-gradient(145deg, #1a3a5c 0%, #15304d 100%);
  border: 1px solid rgba(200,150,46,0.15);
  border-radius: 16px;
  padding: 28px 30px 22px;
  margin-bottom: 20px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15), 0 1px 3px rgba(200,150,46,0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  color: #fff;
}

.business-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.25), 0 2px 6px rgba(200,150,46,0.12);
  border-color: rgba(200,150,46,0.3);
}

.bc-header {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 8px 0 4px;
}

.bc-company-name-en {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  text-align: center;
}

.bc-sep {
  border: none;
  border-top: 1px solid rgba(255,255,255,0.12);
  margin: 16px 0;
}

.bc-table {
  width: 100%;
  border-collapse: collapse;
}

.bc-table tr:not(:last-child) td {
  padding-bottom: 8px;
}

.bc-table td {
  font-size: 0.98rem;
  color: #fff;
  vertical-align: top;
  line-height: 1.7;
  padding-left: 12px;
}

.bc-td-label {
  white-space: nowrap;
  padding-right: 10px;
  font-weight: 600;
  color: rgba(255,255,255,0.45);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.bc-td-label-warehouse {
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.7rem;
  font-weight: 500;
}

.bc-phone {
  font-size: 0.92rem;
  color: #fff;
  display: inline-block;
  margin-top: 2px;
}

.bc-table a {
  color: #e0c86e;
  text-decoration: none;
}

.bc-table a:hover {
  color: #f0d878;
  text-decoration: underline;
}

.bc-addr-en {
  font-size: 0.78rem;
  color: #fff;
  margin-top: 2px;
  display: inline-block;
}

.bc-services {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.bc-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.75);
  letter-spacing: 0.2px;
}

/* ---- Hong Kong Warehouse Block ---- */
.hk-warehouse-block {
  flex: 1 1 100%;
  background: rgba(255,255,255,0.03);
  border: 1px dashed var(--color-accent);
  border-radius: 12px;
  padding: 28px 32px;
  margin-top: 8px;
}
.hk-warehouse-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 16px;
}
.hk-warehouse-content {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: flex-start;
}
.hk-warehouse-addr dl {
  display: flex;
  flex-wrap: wrap;
  margin: 0 0 4px 0;
}
.hk-warehouse-addr dt {
  font-weight: 600;
  color: #000;
  display: inline;
  font-size: 0.9rem;
}
.hk-warehouse-addr dd {
  display: inline;
  margin: 0 0 6px 0;
  color: #000;
  font-size: 0.95rem;
}
.hk-warehouse-alert {
  font-size: 0.9rem;
  font-weight: 700;
  color: #dc2626;
  margin: 0 0 16px 0;
}
.hk-warehouse-note {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  max-width: 420px;
}
.hk-warehouse-note p {
  margin: 0 0 6px 0;
}
.hk-effective {
  font-size: 0.8rem;
  color: var(--color-accent);
  font-weight: 600;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: linear-gradient(180deg, #0a1f36 0%, #0f2640 100%);
  color: rgba(255,255,255,0.8);
  padding: 70px 0 0;
  position: relative;
  overflow: hidden;
}
.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0.3;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.55);
}

.footer-links h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 18px;
}

.footer-links ul li {
  margin-bottom: 10px;
}

.footer-links ul li a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  transition: var(--transition);
}

.footer-links ul li a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.35);
}

/* ============================================================
   WHATSAPP FLOATING BUTTON
   ============================================================ */
/* ============================================================
   FADE-IN ANIMATIONS
   ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays for cards */
.services-grid .fade-in:nth-child(1) { transition-delay: 0.05s; }
.services-grid .fade-in:nth-child(2) { transition-delay: 0.1s; }
.services-grid .fade-in:nth-child(3) { transition-delay: 0.15s; }
.services-grid .fade-in:nth-child(4) { transition-delay: 0.2s; }
.services-grid .fade-in:nth-child(5) { transition-delay: 0.25s; }
.services-grid .fade-in:nth-child(6) { transition-delay: 0.3s; }

.why-grid .fade-in:nth-child(1) { transition-delay: 0.05s; }
.why-grid .fade-in:nth-child(2) { transition-delay: 0.1s; }
.why-grid .fade-in:nth-child(3) { transition-delay: 0.15s; }
.why-grid .fade-in:nth-child(4) { transition-delay: 0.2s; }

.stats-grid .fade-in:nth-child(1) { transition-delay: 0s; }
.stats-grid .fade-in:nth-child(2) { transition-delay: 0.1s; }
.stats-grid .fade-in:nth-child(3) { transition-delay: 0.2s; }
.stats-grid .fade-in:nth-child(4) { transition-delay: 0.3s; }

/* ============================================================
   RESPONSIVE — TABLET
   ============================================================ */
@media (max-width: 1024px) {
  .hero-title-en {
    font-size: clamp(2.2rem, 5vw, 3.2rem);
  }

  .hero-title-cn {
    font-size: clamp(1.5rem, 3vw, 2rem);
  }

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

  .about-grid {
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}

@media (max-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   RESPONSIVE — MOBILE
   ============================================================ */
@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .section {
    padding: 64px 0;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .section-title {
    word-break: break-all;
    overflow-wrap: break-word;
  }

  /* Nav */
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 16px 24px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-link {
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
  }

  .lang-buttons {
    margin-left: 0;
    margin-top: 12px;
    width: 100%;
    justify-content: center;
  }

  .lang-btn {
    font-size: 0.85rem;
    padding: 10px 18px;
    min-height: 44px;
  }

  /* Hero */
  .hero {
    min-height: 90vh;
  }

  .hero-bg-image img {
    opacity: 0.3;
  }

  .hero-overlay {
    display: none;
  }

  .hero-content {
    padding: 48px 20px;
  }

  .hero-badge {
    font-size: 0.8rem;
    padding: 6px 16px;
    margin-bottom: 32px;
  }

  .hero-title-en {
    font-size: clamp(2rem, 7.5vw, 2.8rem);
  }

  .hero-title-cn {
    font-size: clamp(1.4rem, 5.5vw, 1.8rem);
    letter-spacing: 0.06em;
  }

  .hero-subtitle {
    font-size: 1rem;
    margin-bottom: 36px;
    max-width: 100%;
    word-break: break-all;
    line-height: 1.7;
  }

  .hero-cta {
    flex-direction: column;
    gap: 14px;
  }

  .hero-cta .btn {
    width: 100%;
    max-width: 300px;
  }

  /* About */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .about-image {
    order: -1;
  }

  .about-image-wrapper {
    aspect-ratio: 16 / 10;
    max-width: 100%;
  }
  
  .about-image-wrapper img {
    object-fit: contain;
  }

  .services-header-bg {
    height: 3px;
    margin-bottom: 36px;
  }

  /* Stats */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .stat-number {
    font-size: 2.2rem;
  }

  .stat-suffix {
    font-size: 1.2rem;
  }

  /* Services */
  .services-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .service-card {
    padding: 28px 24px;
  }

  /* Why Us */
  .why-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .why-card {
    padding: 28px 24px;
  }

  .why-us-header-img {
    height: 220px;
    margin-bottom: 40px;
  }

  /* Contact */
  .contact-grid {
    max-width: 100%;
  }

  .contact-form-wrapper {
    padding: 28px 24px;
  }

  .contact-info-card {
    padding: 28px 24px;
  }

  .business-card {
    padding: 24px 20px;
  }

  .bc-table td {
    font-size: 0.88rem;
    padding-left: 8px;
  }

  .bc-td-label {
    white-space: normal;
    font-size: 0.7rem;
    padding-right: 6px;
  }

  .bc-services {
    gap: 4px;
  }

  .bc-tag {
    font-size: 0.68rem;
    padding: 2px 8px;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer {
    padding: 40px 0 0;
  }
}

/* ============================================================
   RESPONSIVE — SMALL MOBILE
   ============================================================ */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .section {
    padding: 48px 0;
  }

  .section-header {
    margin-bottom: 32px;
  }

  .section-tag {
    font-size: 0.7rem;
    padding: 3px 10px;
    margin-bottom: 12px;
  }

  .section-title {
    font-size: clamp(1.2rem, 5vw, 1.35rem);
    margin-bottom: 12px;
    word-break: break-all;
    overflow-wrap: break-word;
    max-width: 100%;
  }

  .section-desc {
    font-size: 0.92rem;
  }

  .section-divider {
    margin-top: 14px;
  }

  /* Nav */
  .logo-en {
    font-size: 0.95rem;
  }

  .logo-cn {
    font-size: 1rem;
  }

  .hero-title-en {
    font-size: clamp(1.6rem, 6vw, 2rem);
  }

  .hero-title-cn {
    font-size: clamp(1rem, 4.5vw, 1.3rem);
  }

  .hero-subtitle {
    font-size: 0.92rem;
    max-width: 100%;
    word-break: break-all;
    line-height: 1.75;
    margin-bottom: 32px;
  }

  .hero-badge {
    font-size: 0.75rem;
    padding: 5px 14px;
  }

  .hero-content {
    padding: 40px 16px;
  }

  .btn {
    padding: 14px 28px;
    font-size: 0.95rem;
  }

  .hero-cta {
    gap: 12px;
  }

  .hero-cta .btn {
    max-width: 100%;
    width: 100%;
    text-align: center;
  }

  .stats-grid {
    gap: 8px;
  }

  .stat-item {
    padding: 16px 8px;
  }

  .stat-number {
    font-size: 1.8rem;
  }

  .stat-suffix {
    font-size: 1rem;
  }

  .stat-label {
    font-size: 0.75rem;
  }

  /* Why Us */
  .why-us-header-img {
    height: 180px;
    margin-bottom: 32px;
  }

  .why-card {
    padding: 24px 20px;
  }

  .why-number {
    font-size: 2.5rem;
  }

  /* Business card */
  .business-card {
    padding: 20px 16px;
    border-radius: 12px;
  }

  .bc-table td {
    font-size: 0.82rem;
    padding-left: 6px;
  }

  .bc-td-label {
    font-size: 0.66rem;
    padding-right: 4px;
    white-space: normal;
  }

  .bc-phone {
    font-size: 0.82rem;
  }

  .bc-addr-en {
    font-size: 0.72rem;
  }

  .bc-company-name-en {
    font-size: 0.85rem;
  }

  .bc-tag {
    font-size: 0.65rem;
    padding: 2px 7px;
  }

  .bc-services {
    gap: 4px;
  }

  /* Footer */
  .footer {
    padding: 36px 0 0;
  }

  .footer-logo {
    font-size: 1rem;
  }
}

/* ============================================================
   UTILITY
   ============================================================ */
.hidden { display: none !important; }