/* ============================================
   style.css — Main Styles (Apple-inspired)
   ============================================ */

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

:root {
  --color-black: #1d1d1f;
  --color-dark: #333336;
  --color-gray: #86868b;
  --color-light-gray: #d2d2d7;
  --color-bg: #f5f5f7;
  --color-white: #ffffff;
  --color-blue: #0071e3;
  --color-blue-hover: #0077ed;
  --color-green: #34c759;
  --color-whatsapp: #25d366;
  --color-wechat: #07c160;

  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-cn: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;

  --nav-height: 72px;
  --container-width: 1200px;
  --section-padding: 120px;
  --border-radius: 18px;
  --transition: 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
}

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

body {
  font-family: var(--font-main);
  color: var(--color-black);
  background: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
}

html[lang="zh"] body {
  font-family: var(--font-cn), var(--font-main);
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

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

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

.section {
  padding: var(--section-padding) 0;
}

/* === Navigation === */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08);
}

.nav-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: baseline;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

.logo-dot {
  color: var(--color-blue);
  font-size: 2rem;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-dark);
  position: relative;
  padding: 4px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-blue);
  transition: width var(--transition);
}

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

.nav-link:hover {
  color: var(--color-blue);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Language Dropdown */
.lang-dropdown {
  position: relative;
}

.lang-current {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--color-bg);
  border: none;
  border-radius: 980px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-dark);
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}

.lang-current:hover {
  background: var(--color-light-gray);
}

.lang-arrow {
  transition: transform 0.3s ease;
}

.lang-dropdown.open .lang-arrow {
  transform: rotate(180deg);
}

.lang-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--color-white);
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
  padding: 6px;
  min-width: 160px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.25s ease;
  z-index: 100;
}

.lang-dropdown.open .lang-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-dropdown-option {
  display: block;
  width: 100%;
  padding: 8px 14px;
  border: none;
  background: transparent;
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--color-dark);
  cursor: pointer;
  border-radius: 8px;
  text-align: left;
  transition: all var(--transition);
  font-family: inherit;
}

.lang-dropdown-option:hover {
  background: var(--color-bg);
}

.lang-dropdown-option.active {
  color: var(--color-blue);
  font-weight: 600;
  background: rgba(0, 113, 227, 0.06);
}

.btn-nav {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  background: var(--color-blue);
  color: var(--color-white);
  border-radius: 980px;
  font-size: 0.8125rem;
  font-weight: 500;
  transition: all var(--transition);
}

.btn-nav:hover {
  background: var(--color-blue-hover);
  color: var(--color-white);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-black);
  transition: all var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 980px;
  font-size: 1rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
  line-height: 1.2;
}

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

.btn-primary:hover {
  background: var(--color-blue-hover);
  color: var(--color-white);
}

.btn-outline {
  background: transparent;
  color: var(--color-blue);
  border: 2px solid var(--color-blue);
}

.btn-outline:hover {
  background: var(--color-blue);
  color: var(--color-white);
}

.btn-full {
  width: 100%;
}

/* === Hero Section === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: linear-gradient(180deg, #000000 0%, #1a1a2e 50%, #16213e 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(0, 113, 227, 0.15) 0%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 0 24px;
  padding-top: var(--nav-height);
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--color-white);
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  color: rgba(255, 255, 255, 0.7);
  font-weight: 300;
  line-height: 1.5;
  margin-bottom: 40px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero .btn-outline {
  color: rgba(255, 255, 255, 0.9);
  border-color: rgba(255, 255, 255, 0.4);
}

.hero .btn-outline:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.6);
  color: var(--color-white);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.5), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* === Page Hero (About / Contact) === */
.page-hero {
  padding: 160px 0 80px;
  background: var(--color-bg);
  text-align: center;
}

.page-hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-black);
  margin-bottom: 16px;
}

.page-hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-gray);
  font-weight: 300;
  max-width: 600px;
  margin: 0 auto;
}

/* === Section Headers === */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-black);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-gray);
  font-weight: 300;
  max-width: 600px;
  margin: 0 auto;
}

/* === Trust Bar === */
.trust-bar {
  background: var(--color-bg);
  padding: 24px 0;
  border-bottom: 1px solid var(--color-light-gray);
}

.trust-items {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-dark);
}

.trust-item svg {
  color: var(--color-green);
  flex-shrink: 0;
}

/* === CTA Banner === */
.cta-banner {
  background: linear-gradient(135deg, #0071e3 0%, #005bb5 100%);
  padding: 64px 0;
  text-align: center;
}

.cta-banner-content h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 12px;
}

.cta-banner-content p {
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 300;
  margin-bottom: 24px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner .btn-primary {
  background: var(--color-white);
  color: var(--color-blue);
  font-weight: 600;
}

.cta-banner .btn-primary:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-2px);
}

/* === Testimonials === */
.testimonials-section {
  background: var(--color-white);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.testimonial-card {
  background: var(--color-bg);
  border-radius: var(--border-radius);
  padding: 32px;
  transition: all var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.testimonial-stars {
  color: #ffb800;
  font-size: 1.125rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: 0.9375rem;
  color: var(--color-dark);
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-blue);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 700;
  flex-shrink: 0;
}

.testimonial-name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-black);
}

.testimonial-company {
  font-size: 0.8125rem;
  color: var(--color-gray);
  margin-top: 2px;
}

/* === FAQ Section === */
.faq-section {
  background: var(--color-bg);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-white);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.faq-item:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: none;
  border: none;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-black);
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  gap: 16px;
}

.faq-question:hover {
  color: var(--color-blue);
}

.faq-icon {
  flex-shrink: 0;
  transition: transform 0.3s ease;
  color: var(--color-gray);
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
  color: var(--color-blue);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.open .faq-answer {
  max-height: 300px;
}

.faq-answer p {
  padding: 0 24px 20px;
  font-size: 0.9375rem;
  color: var(--color-gray);
  line-height: 1.7;
}

/* === Inquiry Type Tabs === */
.inquiry-type-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.inquiry-type-tab {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  background: var(--color-white);
  border: 1.5px solid var(--color-light-gray);
  border-radius: 980px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-dark);
  cursor: pointer;
  transition: all var(--transition);
}

.inquiry-type-tab input {
  display: none;
}

.inquiry-type-tab:hover {
  border-color: var(--color-blue);
  color: var(--color-blue);
}

.inquiry-type-tab.active,
.inquiry-type-tab:has(input:checked) {
  background: var(--color-blue);
  border-color: var(--color-blue);
  color: var(--color-white);
}

.form-response-promise {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--color-gray);
  margin-top: 12px;
  font-weight: 400;
}

/* === Products === */
.products-section {
  background: var(--color-bg);
}

.filter-tabs-wrapper {
  display: flex;
  justify-content: center;
  margin-bottom: 48px;
}

.filter-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.filter-tab {
  padding: 8px 20px;
  border: none;
  background: var(--color-white);
  color: var(--color-dark);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 980px;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}

.filter-tab:hover {
  background: var(--color-black);
  color: var(--color-white);
}

.filter-tab.active {
  background: var(--color-black);
  color: var(--color-white);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--color-white);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: all var(--transition);
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.product-image-wrapper {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--color-bg);
}

.product-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--color-light-gray);
  background: linear-gradient(135deg, #f5f5f7 0%, #e8e8ed 100%);
}

.product-image-placeholder span {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-gray);
  text-align: center;
  padding: 0 16px;
}

.product-image-placeholder.large {
  padding: 40px;
}

.product-image-placeholder.large svg {
  width: 96px;
  height: 96px;
}

.product-info {
  padding: 24px;
}

.product-category {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-blue);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.product-name {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 8px 0;
  line-height: 1.3;
}

.product-desc {
  font-size: 0.875rem;
  color: var(--color-gray);
  line-height: 1.5;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.btn-inquire {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  background: transparent;
  color: var(--color-blue);
  border: 1.5px solid var(--color-blue);
  border-radius: 980px;
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}

.btn-inquire:hover {
  background: var(--color-blue);
  color: var(--color-white);
}

/* === Product Modal === */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--color-white);
  border-radius: var(--border-radius);
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px);
  transition: transform 0.4s ease;
  position: relative;
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-small {
  max-width: 420px;
  text-align: center;
  padding: 48px 32px;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border: none;
  background: var(--color-bg);
  border-radius: 50%;
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  z-index: 10;
  color: var(--color-dark);
}

.modal-close:hover {
  background: var(--color-light-gray);
}

.modal-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.modal-product-image {
  aspect-ratio: 1;
  background: var(--color-bg);
  border-radius: var(--border-radius) 0 0 var(--border-radius);
  overflow: hidden;
}

.modal-product-details {
  padding: 40px 32px;
}

.modal-product-category {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-blue);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.modal-product-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 8px 0 12px;
  letter-spacing: -0.02em;
}

.modal-product-desc {
  font-size: 0.9375rem;
  color: var(--color-gray);
  line-height: 1.6;
  margin-bottom: 24px;
}

.modal-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
  padding: 16px;
  background: var(--color-bg);
  border-radius: 12px;
}

.meta-item {
  text-align: center;
}

.meta-label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--color-gray);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.meta-value {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-black);
}

.specs-title {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.modal-specs-list {
  list-style: none;
  margin-bottom: 24px;
}

.modal-specs-list li {
  padding: 8px 0;
  font-size: 0.875rem;
  color: var(--color-dark);
  border-bottom: 1px solid var(--color-bg);
  padding-left: 16px;
  position: relative;
}

.modal-specs-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  background: var(--color-blue);
  border-radius: 50%;
  transform: translateY(-50%);
}

/* Success Modal */
.success-icon {
  margin-bottom: 24px;
}

.modal-small h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.modal-small p {
  color: var(--color-gray);
  margin-bottom: 32px;
  line-height: 1.6;
}

.success-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

.btn-whatsapp-chat {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  background: var(--color-whatsapp);
  color: white;
  border-radius: 980px;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition);
}

.btn-whatsapp-chat:hover {
  background: #20bd5a;
  color: white;
}

/* === Advantages === */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 64px;
}

.advantage-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--border-radius);
  transition: all var(--transition);
}

.advantage-card:hover {
  background: var(--color-bg);
}

.advantage-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  border-radius: 20px;
  color: var(--color-blue);
  transition: all var(--transition);
}

.advantage-card:hover .advantage-icon {
  background: var(--color-blue);
  color: var(--color-white);
}

.advantage-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.advantage-card p {
  font-size: 0.875rem;
  color: var(--color-gray);
  line-height: 1.6;
}

/* === Inquiry Section === */
.inquiry-section {
  background: var(--color-bg);
}

.inquiry-section .section-header {
  text-align: center;
  margin-bottom: 48px;
}

.inquiry-layout {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 48px;
  align-items: start;
}

.inquiry-team-col {
  position: sticky;
  top: 100px;
}

.inquiry-team-card {
  background: var(--color-white);
  border-radius: var(--border-radius);
  padding: 40px 32px;
  text-align: center;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

.inquiry-team-card .team-avatar {
  width: 140px;
  height: 140px;
  margin: 0 auto 20px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--color-bg);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.inquiry-team-card .team-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.inquiry-team-card .team-name {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.inquiry-team-card .team-role {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-blue);
  margin-bottom: 12px;
}

.inquiry-team-card .team-desc {
  font-size: 0.8125rem;
  color: var(--color-gray);
  line-height: 1.6;
  margin-bottom: 24px;
}

.inquiry-team-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.team-contact-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 980px;
  font-size: 0.8125rem;
  font-weight: 500;
  transition: all var(--transition);
}

.whatsapp-btn {
  background: var(--color-whatsapp);
  color: white;
}

.whatsapp-btn:hover {
  background: #20bd5a;
  color: white;
}

.email-btn {
  background: var(--color-bg);
  color: var(--color-dark);
}

.email-btn:hover {
  background: var(--color-blue);
  color: white;
}

.email-btn:hover svg {
  stroke: white;
}

/* === Forms === */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

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

.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-light-gray);
  border-radius: 12px;
  font-size: 0.9375rem;
  font-family: inherit;
  color: var(--color-black);
  background: var(--color-white);
  transition: all var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-blue);
  box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.1);
}

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

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-error {
  display: none;
  font-size: 0.75rem;
  color: #ff3b30;
  margin-top: 4px;
}

.form-group.error input,
.form-group.error select {
  border-color: #ff3b30;
}

.form-group.error .form-error {
  display: block;
}

.inquiry-form .btn,
.contact-form .btn {
  margin-top: 8px;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

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

.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.story-content .section-title {
  text-align: left;
  margin-bottom: 32px;
}

.story-text {
  font-size: 1.0625rem;
  color: var(--color-dark);
  line-height: 1.8;
  margin-bottom: 20px;
}

.story-image {
  border-radius: var(--border-radius);
  overflow: hidden;
}

.image-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #f5f5f7 0%, #e8e8ed 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--color-light-gray);
  border-radius: var(--border-radius);
}

.image-placeholder.large {
  aspect-ratio: 3/4;
}

.image-placeholder span {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-gray);
}

/* Stats */
.stats-section {
  background: var(--color-black);
  color: var(--color-white);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}

.stat-card {
  padding: 20px;
}

.stat-number {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  display: inline;
}

.stat-unit {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 300;
  display: inline;
  opacity: 0.7;
}

.stat-label {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 8px;
  font-weight: 300;
}

/* Gallery */
.gallery-section {
  background: var(--color-bg);
}

.gallery-section .section-title {
  text-align: center;
  margin-bottom: 48px;
}

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

.gallery-item {
  border-radius: 12px;
  overflow: hidden;
}

.gallery-item .image-placeholder {
  aspect-ratio: 1;
  border-radius: 0;
}

.gallery-wide {
  grid-column: span 2;
}

.gallery-wide .image-placeholder {
  aspect-ratio: 2/1;
}

/* Partners */
.partners-section {
  background: var(--color-white);
}

.partners-section .section-title {
  text-align: center;
  margin-bottom: 48px;
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 24px;
}

.partner-logo {
  display: flex;
  align-items: center;
  justify-content: center;
}

.partner-placeholder {
  width: 100%;
  aspect-ratio: 2/1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  border-radius: 12px;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-gray);
  letter-spacing: 0.05em;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, #000000, #1a1a2e);
  color: var(--color-white);
  text-align: center;
}

.cta-content h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-content p {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 32px;
  font-weight: 300;
}

/* === Contact Page === */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 64px;
}

.contact-form-wrapper h2,
.contact-info h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 32px;
}

.info-card {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-bg);
}

.info-card:last-child {
  border-bottom: none;
}

.info-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  border-radius: 12px;
  color: var(--color-blue);
}

.info-icon.whatsapp {
  background: rgba(37, 211, 102, 0.1);
  color: var(--color-whatsapp);
}

.info-icon.wechat {
  background: rgba(7, 193, 96, 0.1);
  color: var(--color-wechat);
}

.info-content h4 {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-gray);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.info-content a,
.info-content p {
  font-size: 0.9375rem;
  color: var(--color-dark);
  line-height: 1.5;
}

.info-content a:hover {
  color: var(--color-blue);
}

.wechat-qr {
  margin-top: 12px;
}

.qr-placeholder {
  width: 120px;
  height: 120px;
  background: var(--color-bg);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--color-gray);
  text-align: center;
}

/* Map */
.map-section {
  height: 400px;
  background: var(--color-bg);
}

.map-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--color-light-gray);
}

.map-placeholder p {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-gray);
}

.map-placeholder span {
  font-size: 0.8125rem;
  color: var(--color-light-gray);
}

/* === Team Section === */
.team-section {
  background: var(--color-white);
}

.team-section .section-title {
  text-align: center;
  margin-bottom: 8px;
}

.team-section .section-subtitle {
  text-align: center;
  margin-bottom: 48px;
}

.team-grid {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.team-card {
  text-align: center;
  max-width: 280px;
}

.team-avatar {
  width: 180px;
  height: 180px;
  margin: 0 auto 24px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--color-bg);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.team-avatar:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 40px rgba(0, 113, 227, 0.15);
}

.team-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-name {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--color-black);
}

.team-role {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-blue);
  margin-bottom: 12px;
}

.team-desc {
  font-size: 0.875rem;
  color: var(--color-gray);
  line-height: 1.6;
}

.team-contact-links {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: 16px;
}

/* === Footer === */
.footer {
  background: var(--color-black);
  color: var(--color-white);
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .nav-logo {
  margin-bottom: 16px;
}

.footer-brand .logo-text {
  color: var(--color-white);
}

.footer-desc {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.6;
  margin-bottom: 24px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  color: rgba(255, 255, 255, 0.6);
  transition: all var(--transition);
}

.social-link:hover {
  background: var(--color-blue);
  color: var(--color-white);
}

.footer-links h4 {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 20px;
}

.footer-links a,
.footer-links p {
  display: block;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 12px;
  transition: color var(--transition);
  line-height: 1.5;
}

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

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.3);
}