/* ============================================
   装修审核网 - 企业官网样式表
   蓝黑高端风格 · 自适应 H5
   ============================================ */

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

:root {
  /* 蓝黑色调 */
  --bg-darkest: #060b16;
  --bg-dark: #0a0f1e;
  --bg-dark2: #111827;
  --bg-card: #1e293b;
  --bg-card-hover: #253247;

  --blue-400: #60a5fa;
  --blue-500: #3b82f6;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;

  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;

  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

  --white: #ffffff;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.35);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.4);
  --shadow-blue: 0 4px 16px rgba(37, 99, 235, 0.45);
  --shadow-blue-lg: 0 8px 30px rgba(37, 99, 235, 0.5);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
  color: var(--slate-200);
  background: var(--bg-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   Header / Navigation
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(6, 11, 22, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(51, 65, 85, 0.3);
  transition: all 0.3s ease;
}

.header.scrolled {
  background: rgba(6, 11, 22, 0.96);
  border-bottom-color: rgba(37, 99, 235, 0.2);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-700));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 20px;
  font-weight: 800;
  box-shadow: 0 2px 10px rgba(37, 99, 235, 0.3);
}

.logo-text {
  font-size: 22px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 2px;
}

.logo-text .highlight {
  color: var(--blue-400);
}

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

.nav a {
  font-size: 15px;
  color: var(--slate-300);
  font-weight: 500;
  transition: color 0.3s;
  position: relative;
  padding: 4px 0;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--blue-500);
  transition: width 0.3s ease;
}

.nav a:hover,
.nav a.active {
  color: var(--white);
}

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

.nav-phone {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-700));
  color: var(--white) !important;
  border-radius: 25px;
  font-weight: 600 !important;
  font-size: 14px !important;
  transition: all 0.3s;
}

.nav-phone:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-blue);
}

.nav-phone::after { display: none !important; }

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
  background: none;
  border: none;
}

.menu-toggle span {
  width: 26px;
  height: 2.5px;
  background: var(--slate-200);
  border-radius: 2px;
  transition: all 0.3s;
}

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

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

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

/* ============================================
   Hero Section
   ============================================ */
.hero {
  padding: 140px 0 80px;
  background: linear-gradient(160deg, #060b16 0%, #0a0f1e 30%, #111827 60%, #0a0f1e 100%);
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.12) 0%, transparent 65%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -5%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

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

.hero-content {
  display: flex;
  align-items: center;
  gap: 60px;
}

.hero-text { flex: 1; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: 50px;
  color: var(--blue-400);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 28px;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-title {
  font-size: 52px;
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--blue-400), var(--blue-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--slate-400);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-700));
  color: var(--white);
  box-shadow: var(--shadow-blue);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-blue-lg);
}

.btn-outline {
  background: transparent;
  color: var(--slate-200);
  border: 2px solid rgba(148, 163, 184, 0.3);
}

.btn-outline:hover {
  border-color: var(--blue-400);
  color: var(--blue-400);
  background: rgba(59, 130, 246, 0.08);
  transform: translateY(-2px);
}

.hero-image {
  flex: 0 0 380px;
  height: 340px;
  background: linear-gradient(160deg, rgba(37, 99, 235, 0.12), rgba(30, 64, 175, 0.2));
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(59, 130, 246, 0.2);
  position: relative;
  overflow: hidden;
}

.hero-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.1), transparent);
}

.hero-image-inner {
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-image-inner .icon {
  font-size: 72px;
  margin-bottom: 12px;
  display: block;
}

.hero-image-inner p {
  font-size: 14px;
  color: var(--slate-400);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid rgba(51, 65, 85, 0.5);
}

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

.hero-stat-number {
  font-size: 40px;
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
}

.hero-stat-number span { color: var(--blue-400); }

.hero-stat-label {
  font-size: 14px;
  color: var(--slate-500);
  margin-top: 4px;
}

/* ============================================
   Section Common
   ============================================ */
.section {
  padding: 90px 0;
}

.section.light {
  background: var(--gray-50);
  color: var(--gray-800);
}

.section.dark {
  background: var(--bg-dark2);
  color: var(--slate-200);
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-tag {
  display: inline-block;
  padding: 5px 16px;
  background: rgba(59, 130, 246, 0.1);
  color: var(--blue-400);
  font-size: 13px;
  font-weight: 600;
  border-radius: 20px;
  border: 1px solid rgba(59, 130, 246, 0.2);
  margin-bottom: 16px;
}

.section.light .section-tag {
  background: var(--blue-50);
  border-color: rgba(37, 99, 235, 0.15);
  color: var(--blue-600);
}

.section-title {
  font-size: 36px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 12px;
  line-height: 1.2;
}

.section.light .section-title {
  color: var(--gray-900);
}

.section-desc {
  font-size: 16px;
  color: var(--slate-400);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

.section.light .section-desc {
  color: var(--gray-500);
}

/* ============================================
   About Section
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image {
  background: linear-gradient(160deg, rgba(37, 99, 235, 0.08), rgba(30, 64, 175, 0.12));
  border-radius: 20px;
  padding: 40px;
  height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(59, 130, 246, 0.15);
}

.about-image::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 20px;
  right: 20px;
  bottom: 20px;
  border: 2px dashed rgba(59, 130, 246, 0.2);
  border-radius: 12px;
}

.about-image-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.about-image-content .icon {
  font-size: 72px;
  display: block;
  margin-bottom: 16px;
}

.about-image-content p {
  color: var(--blue-400);
  font-weight: 500;
}

.about-text h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 16px;
}

.about-text p {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 24px;
}

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

.about-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--gray-700);
}

.about-feature .check {
  width: 20px;
  height: 20px;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-600));
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  flex-shrink: 0;
}

/* ============================================
   Services Section
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--slate-700);
  border-radius: 16px;
  padding: 40px 36px;
  transition: all 0.4s;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--blue-400), var(--blue-600), var(--blue-700));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.service-card:hover {
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4), 0 0 20px rgba(37, 99, 235, 0.08);
  transform: translateY(-6px);
  background: var(--bg-card-hover);
}

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

.service-icon {
  width: 60px;
  height: 60px;
  background: rgba(59, 130, 246, 0.12);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.service-card > p {
  font-size: 14px;
  color: var(--slate-400);
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-list {
  list-style: none;
}

.service-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--slate-300);
  margin-bottom: 10px;
}

.service-list li::before {
  content: '✓';
  color: var(--blue-400);
  font-weight: 700;
  flex-shrink: 0;
}

/* ============================================
   Why Us Section
   ============================================ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why-card {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 36px 24px;
  text-align: center;
  border: 1px solid var(--slate-700);
  transition: all 0.3s;
}

.why-card:hover {
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3), 0 0 15px rgba(37, 99, 235, 0.06);
  transform: translateY(-6px);
  background: var(--bg-card-hover);
}

.why-card-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  background: rgba(59, 130, 246, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  border: 1px solid rgba(59, 130, 246, 0.15);
}

.why-card h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.why-card p {
  font-size: 13px;
  color: var(--slate-400);
  line-height: 1.6;
}

/* ============================================
   Process Section
   ============================================ */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 44px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, rgba(59, 130, 246, 0.2), var(--blue-500), rgba(59, 130, 246, 0.2));
  z-index: 0;
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.process-step-num {
  width: 88px;
  height: 88px;
  margin: 0 auto 20px;
  background: linear-gradient(160deg, var(--blue-600), #1e40af);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  font-weight: 800;
  color: var(--white);
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.35);
  position: relative;
}

.process-step-num::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.process-step h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.process-step p {
  font-size: 13px;
  color: var(--slate-400);
  line-height: 1.6;
  max-width: 200px;
  margin: 0 auto;
}

/* ============================================
   CTA Section
   ============================================ */
.cta {
  background: linear-gradient(160deg, #060b16 0%, #0a0f1e 40%, #111827 100%);
  padding: 90px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

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

.cta h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
}

.cta p {
  font-size: 16px;
  color: var(--slate-400);
  margin-bottom: 36px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

.cta .btn-primary {
  padding: 16px 44px;
  font-size: 17px;
}

/* ============================================
   Contact Section
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

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

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--bg-card);
  padding: 24px;
  border-radius: 14px;
  border: 1px solid var(--slate-700);
  transition: all 0.3s;
}

.contact-item:hover {
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}

.contact-item-icon {
  width: 50px;
  height: 50px;
  background: rgba(59, 130, 246, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
  border: 1px solid rgba(59, 130, 246, 0.15);
}

.contact-item-content h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 4px;
}

.contact-item-content p {
  font-size: 14px;
  color: var(--slate-400);
}

.contact-item-content .phone-number {
  font-size: 24px;
  font-weight: 700;
  color: var(--blue-400);
  letter-spacing: 1px;
}

.contact-form {
  background: var(--bg-card);
  padding: 40px;
  border-radius: 16px;
  border: 1px solid var(--slate-700);
  box-shadow: var(--shadow-md);
}

.contact-form h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--slate-300);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--slate-700);
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  color: var(--slate-200);
  transition: all 0.3s;
  outline: none;
  background: rgba(15, 23, 42, 0.5);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--slate-500);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
  background: rgba(15, 23, 42, 0.7);
}

.form-group textarea {
  height: 110px;
  resize: vertical;
}

.form-group select option {
  background: var(--bg-dark2);
  color: var(--slate-200);
}

.btn-submit {
  width: 100%;
  padding: 15px;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-700));
  color: var(--white);
  border: none;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: var(--shadow-blue);
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-blue-lg);
}

.btn-submit.success {
  background: linear-gradient(135deg, #16a34a, #15803d) !important;
  box-shadow: 0 4px 16px rgba(22, 163, 74, 0.4) !important;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: #060b16;
  color: var(--slate-400);
  padding: 48px 0 24px;
  border-top: 1px solid rgba(51, 65, 85, 0.3);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(51, 65, 85, 0.3);
  margin-bottom: 24px;
}

.footer-brand .logo-text {
  margin-bottom: 12px;
  display: inline-block;
}

.footer-brand p {
  font-size: 14px;
  color: var(--slate-500);
  line-height: 1.7;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 18px;
}

.footer-col ul {
  list-style: none;
}

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

.footer-col ul li a {
  font-size: 14px;
  color: var(--slate-400);
  transition: color 0.3s;
}

.footer-col ul li a:hover {
  color: var(--blue-400);
}

.footer-bottom {
  text-align: center;
  font-size: 13px;
  color: var(--slate-500);
}

.footer-bottom a {
  color: var(--blue-400);
  transition: color 0.3s;
}

.footer-bottom a:hover {
  color: var(--blue-300);
  text-decoration: underline;
}

/* ============================================
   Back to Top
   ============================================ */
.back-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 46px;
  height: 46px;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-700));
  color: var(--white);
  border: none;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-blue);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  z-index: 999;
}

.back-top.show {
  opacity: 1;
  visibility: visible;
}

.back-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-blue-lg);
}

/* ============================================
   Responsive (H5)
   ============================================ */
@media (max-width: 1024px) {
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
  
  .process-steps::before {
    display: none;
  }
  
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }
  
  .section-title {
    font-size: 26px;
  }
  
  /* Navigation */
  .nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(6, 11, 22, 0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 24px 20px;
    gap: 8px;
    border-bottom: 1px solid rgba(51, 65, 85, 0.3);
    transform: translateY(-110%);
    transition: transform 0.35s ease;
    z-index: 999;
  }
  
  .nav.open {
    transform: translateY(0);
  }
  
  .nav a {
    font-size: 16px;
    width: 100%;
    text-align: center;
    padding: 12px 0;
  }
  
  .nav-phone {
    justify-content: center;
    margin-top: 8px;
    width: 100%;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  /* Hero */
  .hero {
    padding: 100px 0 50px;
    min-height: auto;
  }
  
  .hero-content {
    flex-direction: column;
    gap: 30px;
  }
  
  .hero-title {
    font-size: 30px;
  }
  
  .hero-subtitle {
    font-size: 15px;
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .hero-actions .btn {
    justify-content: center;
  }
  
  .hero-image {
    flex: none;
    width: 100%;
    height: 200px;
  }
  
  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 36px;
    padding-top: 24px;
  }
  
  .hero-stat-number {
    font-size: 26px;
  }
  
  /* About */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .about-image {
    height: 240px;
    padding: 24px;
  }
  
  .about-features {
    grid-template-columns: 1fr;
  }
  
  /* Services */
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .service-card {
    padding: 28px 24px;
  }
  
  /* Why Us */
  .why-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  
  .why-card {
    padding: 24px 16px;
  }
  
  /* Process */
  .process-steps {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
  
  .process-step-num {
    width: 72px;
    height: 72px;
    font-size: 24px;
  }
  
  /* CTA */
  .cta {
    padding: 60px 0;
  }
  
  .cta h2 {
    font-size: 26px;
  }
  
  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-form {
    padding: 24px;
  }
  
  /* Footer */
  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  
  .back-top {
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 26px;
  }
  
  .hero-stats {
    gap: 10px;
  }
  
  .hero-stat-number {
    font-size: 22px;
  }
  
  .section-title {
    font-size: 22px;
  }
  
  .why-grid {
    grid-template-columns: 1fr;
  }
  
  .process-steps {
    grid-template-columns: 1fr;
  }
  
  .container {
    padding: 0 16px;
  }
}