/* ============================================
   3WeSolution — Apple-style Stylesheet
   ============================================ */

:root {
  --bg:           #ffffff;
  --bg-alt:       #f5f5f7;
  --text:         #1d1d1f;
  --text-muted:   #6e6e73;
  --blue:         #0071e3;
  --blue-dark:    #0077ed;
  --blue-tint:    #f0f4ff;
  --border:       #d2d2d7;
  --border-light: #e8e8ed;
  --card-bg:      #ffffff;
  --accent:       #0071e3;
  --accent2:      #34aadc;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
          "Helvetica Neue", Arial, sans-serif;
  --font-cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", STHeiti,
             sans-serif;
  --r-sm:  10px;
  --r-md:  18px;
  --r-lg:  24px;
  --r-xl:  32px;
  --ease:  cubic-bezier(0.4, 0, 0.2, 1);
  --t:     0.28s var(--ease);
  --sh-sm: 0 2px 12px rgba(0,0,0,0.06);
  --sh-md: 0 8px 40px rgba(0,0,0,0.10);
  --sh-lg: 0 24px 80px rgba(0,0,0,0.12);
  --max:   1200px;
  --nav-h: 52px;
}

/* ── Reset ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body.cn { font-family: var(--font-cn), var(--font); }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

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

/* ============================================
   NAVIGATION — Apple frosted glass
   ============================================ */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(255,255,255,0.82);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(210,210,215,0.6);
  z-index: 1000;
}

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

.nav-logo {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.3px;
}
.nav-logo span { color: var(--blue); }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-menu > li > a {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-muted);
  transition: color 0.18s;
}
.nav-menu > li > a:hover,
.nav-menu > li > a.active { color: var(--text); }

/* Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown > a::after { content: " ▾"; font-size: 9px; opacity: .7; }

.dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 10px;
  min-width: 260px;
  box-shadow: var(--sh-lg);
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}
.nav-dropdown:hover .dropdown-menu { display: grid; }

/* Bridge the gap between the nav link and dropdown so hover isn't lost while moving the mouse down */
.nav-dropdown::after {
  content: '';
  position: absolute;
  top: 100%;
  left: -20px;
  right: -20px;
  height: 16px;
}

.dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--r-sm);
  font-size: 13px;
  color: var(--text) !important;
  transition: background 0.18s;
  white-space: nowrap;
}
.dropdown-menu a:hover { background: var(--bg-alt); }

.dropdown-menu .icon {
  width: 26px; height: 26px;
  background: var(--bg-alt);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
}

/* Lang switcher */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid var(--border);
  transition: var(--t);
}
.lang-switch:hover { color: var(--blue); border-color: var(--blue); }
.lang-switch .active-lang { color: var(--blue); font-weight: 600; }

/* Mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.nav-toggle span {
  width: 20px; height: 1.5px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--t);
}

/* ============================================
   BUTTONS — Apple pill style
   ============================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--blue);
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  padding: 13px 26px;
  border-radius: 40px;
  border: none;
  cursor: pointer;
  transition: background var(--t), transform var(--t);
}
.btn-primary:hover {
  background: #0077ed;
  transform: none;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  color: var(--blue);
  font-size: 15px;
  font-weight: 500;
  padding: 12px 24px;
  border-radius: 40px;
  border: 1.5px solid var(--blue);
  cursor: pointer;
  transition: background var(--t), color var(--t);
}
.btn-secondary:hover {
  background: var(--blue);
  color: #fff;
}

.btn-white {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #fff;
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  padding: 13px 26px;
  border-radius: 40px;
  transition: opacity var(--t);
}
.btn-white:hover { opacity: .85; }

/* ============================================
   SECTIONS
   ============================================ */
section { padding: 120px 0; }
.bg-secondary { background: var(--bg-alt); }

.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 1.8px;
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(32px, 4.5vw, 56px);
  font-weight: 700;
  letter-spacing: -1.5px;
  line-height: 1.05;
  color: var(--text);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 19px;
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto 64px;
  line-height: 1.6;
  font-weight: 400;
}

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

/* ============================================
   HERO
   ============================================ */
.hero {
  padding-top: calc(var(--nav-h) + 96px);
  padding-bottom: 120px;
  text-align: center;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% -10%, rgba(0,113,227,0.05) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--blue-tint);
  color: var(--blue);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 28px;
  letter-spacing: 0.2px;
}

.hero h1 {
  font-size: clamp(48px, 8vw, 88px);
  font-weight: 700;
  line-height: 1.03;
  letter-spacing: -2.5px;
  color: var(--text);
  margin-bottom: 24px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

/* Apple doesn't use gradient text on main hero — use solid blue accent */
.hero h1 .gradient { color: var(--blue); }

.hero p {
  font-size: clamp(18px, 2vw, 22px);
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto 44px;
  line-height: 1.58;
  font-weight: 400;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   STATS ROW
   ============================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0;
}

.feature-item {
  text-align: center;
  padding: 48px 32px;
  border-right: 1px solid var(--border-light);
}
.feature-item:last-child { border-right: none; }

.feature-item .num {
  font-size: 56px;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
  margin-bottom: 10px;
  letter-spacing: -2px;
}

.feature-item h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}

.feature-item p {
  font-size: 13px;
  color: var(--text-muted);
}

/* ============================================
   SERVICES GRID
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2px;
  background: var(--border-light);
  border: 1px solid var(--border-light);
  border-radius: var(--r-xl);
  overflow: hidden;
}

.service-card {
  background: var(--bg);
  padding: 40px 36px;
  transition: background var(--t);
  cursor: pointer;
  display: block;
}

.service-card:hover { background: var(--bg-alt); }

.service-icon {
  width: 52px; height: 52px;
  background: var(--bg-alt);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text);
  letter-spacing: -0.3px;
}

.service-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 18px;
}

.service-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--blue);
}

/* ============================================
   TWO-COLUMN
   ============================================ */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.two-col.reverse { direction: rtl; }
.two-col.reverse > * { direction: ltr; }

.col-visual {
  background: var(--bg-alt);
  border-radius: var(--r-xl);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 88px;
}

.col-content .section-label { margin-bottom: 10px; }

.col-content h2 {
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 700;
  letter-spacing: -1.2px;
  margin-bottom: 18px;
  line-height: 1.1;
  color: var(--text);
}

.col-content p {
  font-size: 17px;
  color: var(--text-muted);
  margin-bottom: 28px;
  line-height: 1.7;
}

.check-list {
  display: flex;
  flex-direction: column;
  gap: 13px;
  margin-bottom: 36px;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--text);
  line-height: 1.5;
}

.check-list li::before {
  content: '';
  width: 18px; height: 18px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Ccircle cx='9' cy='9' r='9' fill='%230071e3'/%3E%3Cpath d='M5 9l3 3 5-5' stroke='white' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E") center/cover;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ============================================
   CTA SECTION — Apple uses dark, not gradient
   ============================================ */
.cta-section {
  background: #1d1d1f;
  color: #f5f5f7;
  text-align: center;
  padding: 120px 0;
}

.cta-section h2 {
  font-size: clamp(32px, 4.5vw, 56px);
  font-weight: 700;
  letter-spacing: -1.5px;
  margin-bottom: 18px;
  color: #f5f5f7;
  line-height: 1.05;
}

.cta-section p {
  font-size: 19px;
  color: #a1a1a6;
  max-width: 520px;
  margin: 0 auto 44px;
  line-height: 1.6;
}

/* ============================================
   FOOTER
   ============================================ */
footer {
  background: #1d1d1f;
  color: #a1a1a6;
  padding: 64px 0 32px;
  border-top: 1px solid #2d2d2f;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo {
  font-size: 20px;
  font-weight: 600;
  color: #f5f5f7;
  margin-bottom: 14px;
}
.footer-brand .logo span { color: var(--blue); }

.footer-brand p {
  font-size: 13px;
  line-height: 1.7;
  margin-bottom: 24px;
}

.social-links { display: flex; gap: 10px; }

.social-links a {
  width: 34px; height: 34px;
  background: #2d2d2f;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  color: #a1a1a6;
  transition: background var(--t), color var(--t);
}
.social-links a:hover { background: var(--blue); color: #fff; }

.footer-col h4 {
  font-size: 12px;
  font-weight: 600;
  color: #f5f5f7;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 13px;
  color: #a1a1a6;
  transition: color 0.18s;
}
.footer-col ul li a:hover { color: #f5f5f7; }

.footer-bottom {
  border-top: 1px solid #2d2d2f;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom p { font-size: 12px; }
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a {
  font-size: 12px;
  color: #a1a1a6;
  transition: color 0.18s;
}
.footer-bottom-links a:hover { color: #f5f5f7; }

/* ============================================
   INNER PAGE HERO
   ============================================ */
.page-hero {
  padding: calc(var(--nav-h) + 72px) 0 96px;
  text-align: center;
  background: var(--bg);
}

.page-hero .breadcrumb {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 20px;
  display: flex;
  justify-content: center;
  gap: 8px;
  align-items: center;
}
.page-hero .breadcrumb a { color: var(--blue); }
.page-hero .breadcrumb a:hover { text-decoration: underline; }

.page-hero h1 {
  font-size: clamp(36px, 6vw, 68px);
  font-weight: 700;
  letter-spacing: -2px;
  margin-bottom: 20px;
  line-height: 1.05;
  color: var(--text);
}

.page-hero p {
  font-size: 19px;
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ============================================
   SERVICE DETAIL
   ============================================ */
.service-detail-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2px;
  background: var(--border-light);
  border: 1px solid var(--border-light);
  border-radius: var(--r-xl);
  overflow: hidden;
  margin-top: 64px;
}

.detail-card {
  background: var(--bg);
  padding: 36px 32px;
  transition: background var(--t);
}
.detail-card:hover { background: var(--bg-alt); }
.detail-card .icon { font-size: 28px; margin-bottom: 16px; }
.detail-card h3 { font-size: 17px; font-weight: 600; margin-bottom: 9px; letter-spacing: -0.2px; }
.detail-card p { font-size: 14px; color: var(--text-muted); line-height: 1.65; }

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2px;
  background: var(--border-light);
  border: 1px solid var(--border-light);
  border-radius: var(--r-xl);
  overflow: hidden;
}

.testimonial-card {
  background: var(--bg);
  padding: 40px 36px;
}

.testimonial-card .stars { color: #fbbf24; font-size: 14px; margin-bottom: 16px; letter-spacing: 2px; }

.testimonial-card p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 28px;
  font-style: italic;
}

.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-author .avatar {
  width: 38px; height: 38px;
  background: var(--bg-alt);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
}
.testimonial-author h5 { font-size: 14px; font-weight: 600; }
.testimonial-author span { font-size: 12px; color: var(--text-muted); }

/* ============================================
   PRICING
   ============================================ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  align-items: start;
  margin-top: 64px;
}

.pricing-card {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-radius: var(--r-xl);
  padding: 40px 36px;
  position: relative;
}

.pricing-card.featured {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}

.pricing-card.featured h3,
.pricing-card.featured .price,
.pricing-card.featured .desc,
.pricing-card.featured .pricing-features li { color: rgba(255,255,255,0.85); }
.pricing-card.featured h3 { color: #fff; }
.pricing-card.featured .price { color: #fff; }

.pricing-badge {
  position: absolute;
  top: -11px; left: 50%;
  transform: translateX(-50%);
  background: var(--text);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 14px;
  border-radius: 20px;
  white-space: nowrap;
  letter-spacing: 0.3px;
}

.pricing-card h3 { font-size: 22px; font-weight: 600; margin-bottom: 4px; letter-spacing: -0.3px; }
.pricing-card .price {
  font-size: 48px;
  font-weight: 700;
  letter-spacing: -2px;
  color: var(--text);
  margin: 16px 0 4px;
  line-height: 1;
}
.pricing-card .price span {
  font-size: 16px;
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 0;
}
.pricing-card.featured .price span { color: rgba(255,255,255,.6); }
.pricing-card .desc { font-size: 14px; color: var(--text-muted); margin-bottom: 28px; line-height: 1.5; }

.pricing-features { margin-bottom: 32px; }
.pricing-features li {
  padding: 10px 0;
  font-size: 14px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}
.pricing-card.featured .pricing-features li {
  border-bottom-color: rgba(255,255,255,.15);
  color: rgba(255,255,255,.85);
}
.pricing-features li::before {
  content: '✓';
  color: var(--blue);
  font-weight: 700;
  font-size: 12px;
  flex-shrink: 0;
}
.pricing-card.featured .pricing-features li::before { color: rgba(255,255,255,.9); }

/* Featured card buttons */
.pricing-card.featured .btn-secondary {
  border-color: rgba(255,255,255,.8);
  color: #fff;
}
.pricing-card.featured .btn-secondary:hover {
  background: rgba(255,255,255,.15);
}
.pricing-card.featured .btn-primary {
  background: #fff;
  color: var(--blue);
}

/* ============================================
   CONTACT
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 64px;
  align-items: start;
}

.contact-info h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: -1px;
}

.contact-info p {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 40px;
  line-height: 1.7;
}

.contact-items { display: flex; flex-direction: column; gap: 20px; }

.contact-item { display: flex; gap: 16px; align-items: flex-start; }

.contact-item .icon {
  width: 42px; height: 42px;
  background: var(--bg-alt);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.contact-item h4 { font-size: 13px; font-weight: 600; margin-bottom: 2px; }
.contact-item p { font-size: 13px; color: var(--text-muted); }

.contact-form {
  background: var(--bg-alt);
  border-radius: var(--r-xl);
  padding: 48px;
}

.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 7px;
  color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  font-size: 15px;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  transition: border-color 0.18s, box-shadow 0.18s;
  outline: none;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(0,113,227,0.12);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

/* ============================================
   ABOUT PAGE
   ============================================ */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 40px;
}

.team-card { text-align: center; }

.team-avatar {
  width: 96px; height: 96px;
  background: var(--bg-alt);
  border-radius: 50%;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
}

.team-card h4 { font-size: 16px; font-weight: 600; }
.team-card p { font-size: 13px; color: var(--text-muted); }

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2px;
  background: var(--border-light);
  border: 1px solid var(--border-light);
  border-radius: var(--r-xl);
  overflow: hidden;
}

.value-card {
  background: var(--bg);
  padding: 36px 28px;
  text-align: center;
}
.value-card .emoji { font-size: 32px; margin-bottom: 12px; }
.value-card h4 { font-size: 15px; font-weight: 600; margin-bottom: 8px; }
.value-card p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-in   { animation: fadeUp 0.65s ease both; }
.fade-in-2 { animation: fadeUp 0.65s 0.12s ease both; }
.fade-in-3 { animation: fadeUp 0.65s 0.24s ease both; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 960px) {
  .two-col { grid-template-columns: 1fr; gap: 48px; }
  .two-col.reverse { direction: ltr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 32px 24px; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .feature-item { border-right: none; border-bottom: 1px solid var(--border-light); }
  .feature-item:nth-child(odd) { border-right: 1px solid var(--border-light); }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    flex-direction: column;
    align-items: flex-start;
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(20px);
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    gap: 4px;
  }
  .nav-menu.open { display: flex; }
  .nav-menu > li > a { font-size: 15px; padding: 8px 0; display: block; }
  .nav-toggle { display: flex; }
  .dropdown-menu {
    position: static;
    transform: none;
    box-shadow: none;
    border: none;
    padding: 4px 0 4px 16px;
    background: transparent;
    display: flex;
    flex-direction: column;
    min-width: unset;
  }
  .nav-dropdown:hover .dropdown-menu { display: none; }
  .nav-dropdown.open .dropdown-menu { display: flex; }
  section { padding: 80px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero { padding-top: calc(var(--nav-h) + 56px); padding-bottom: 80px; }
  .cta-section { padding: 80px 0; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-buttons { flex-direction: column; align-items: stretch; text-align: center; }
  .services-grid { grid-template-columns: 1fr; gap: 1px; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-item { border-right: none !important; }
}