/* ========================================
   量犇道路救援 - 企业官网样式 v2
   风格：现代简约 | 配色：深蓝+金橙+白
   ======================================== */

/* ---------- CSS Variables ---------- */
:root {
  --primary: #0f2b46;
  --primary-dark: #091828;
  --primary-light: #1a4a78;
  --accent: #d4953e;
  --accent-light: #f0c070;
  --accent-bg: rgba(212,149,62,0.08);
  --dark: #0a1628;
  --gray-900: #1a2332;
  --gray-800: #243044;
  --gray-700: #4a5b72;
  --gray-500: #7a8ba3;
  --gray-400: #9aaab8;
  --gray-300: #c8d3df;
  --gray-100: #eff3f8;
  --gray-50: #f5f8fc;
  --white: #ffffff;
  --red: #dc3545;
  --green: #28a745;
  --shadow-sm: 0 2px 8px rgba(15,43,70,0.06);
  --shadow: 0 4px 20px rgba(15,43,70,0.10);
  --shadow-md: 0 8px 32px rgba(15,43,70,0.12);
  --shadow-lg: 0 16px 48px rgba(15,43,70,0.16);
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--gray-700);
  line-height: 1.75;
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: var(--transition); cursor: pointer; }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---------- Utility ---------- */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
}
.section {
  padding: 100px 0;
  position: relative;
}
.section-gray { background: var(--gray-50); }
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-header h2 {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.02em;
  position: relative;
  display: inline-block;
}
.section-header h2::after {
  content: '';
  display: block;
  width: 44px;
  height: 3.5px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: 2px;
  margin: 14px auto 0;
}
.section-header p {
  font-size: 1.05rem;
  color: var(--gray-500);
  max-width: 560px;
  margin: 18px auto 0;
  line-height: 1.65;
}

/* ---------- Navigation ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
  background: transparent;
}
.navbar.scrolled {
  padding: 12px 0;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(20px);
  box-shadow: 0 2px 24px rgba(0,0,0,0.06);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--white);
  z-index: 10;
  letter-spacing: 0.02em;
}
.navbar.scrolled .nav-logo { color: var(--primary); }
.logo-img { height: 38px; width: auto; object-fit: contain; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a {
  color: rgba(255,255,255,0.85);
  font-size: 0.93rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: all 0.25s ease;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
  background: rgba(255,255,255,0.12);
}
.navbar.scrolled .nav-links a {
  color: var(--gray-700);
}
.navbar.scrolled .nav-links a:hover,
.navbar.scrolled .nav-links a.active {
  color: var(--primary);
  background: var(--gray-100);
}
.nav-cta {
  background: var(--accent) !important;
  color: var(--dark) !important;
  font-weight: 700 !important;
  padding: 9px 22px !important;
  border-radius: 999px !important;
  margin-left: 8px;
  font-size: 0.88rem !important;
}
.nav-cta:hover {
  background: var(--accent-light) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(212,149,62,0.35) !important;
}
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; z-index: 10; }
.hamburger span {
  display: block; width: 24px; height: 2.5px;
  background: var(--white); border-radius: 2px;
  transition: var(--transition);
}
.navbar.scrolled .hamburger span { background: var(--primary); }

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(10,22,40,0.97);
  backdrop-filter: blur(20px);
  z-index: 998;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
}
.mobile-nav.active { display: flex; }
.mobile-nav a {
  font-size: 1.25rem;
  font-weight: 600;
  color: rgba(255,255,255,0.88);
  padding: 10px 30px;
}
.mobile-nav a:hover { color: var(--accent); }
.mobile-nav-close {
  position: absolute;
  top: 24px; right: 28px;
  font-size: 2rem;
  color: var(--white); cursor: pointer;
  line-height: 1;
}

/* ---------- Hero Section ---------- */
.hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 40%, var(--primary-light) 100%);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 85%, rgba(212,149,62,0.08) 0%, transparent 45%),
    radial-gradient(circle at 85% 15%, rgba(26,74,120,0.25) 0%, transparent 45%);
}
.hero-float {
  position: absolute;
  border-radius: 50%;
  opacity: 0.04;
  background: var(--white);
}
.hero-float:nth-child(1) {
  width: 420px; height: 420px;
  top: -80px; right: -80px;
  animation: floatSlow 18s ease-in-out infinite;
}
.hero-float:nth-child(2) {
  width: 280px; height: 280px;
  bottom: 10%; left: -60px;
  animation: floatSlow 22s ease-in-out infinite reverse;
}
.hero-float:nth-child(3) {
  width: 160px; height: 160px;
  top: 40%; right: 15%;
  animation: floatSlow 15s ease-in-out infinite 2s;
}
@keyframes floatSlow {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -25px) scale(1.04); }
  66% { transform: translate(-20px, 15px) scale(0.97); }
}
.hero .container { position: relative; z-index: 2; }
.hero-content { max-width: 640px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(212,149,62,0.15);
  border: 1px solid rgba(212,149,62,0.25);
  border-radius: 999px;
  color: var(--accent-light);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  margin-bottom: 28px;
  backdrop-filter: blur(8px);
}
.hero h1 {
  font-size: 3.3rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.hero h1 span {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  font-size: 1.13rem;
  color: rgba(255,255,255,0.68);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 520px;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: 999px;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: var(--dark);
  box-shadow: 0 4px 20px rgba(212,149,62,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(212,149,62,0.42);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.3);
  backdrop-filter: blur(4px);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.55);
  transform: translateY(-2px);
}

/* ---------- Stats Bar ---------- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: -48px;
  position: relative;
  z-index: 5;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.stat-item {
  text-align: center;
  padding: 36px 20px;
  position: relative;
}
.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0; top: 20%;
  height: 60%;
  width: 1px;
  background: var(--gray-300);
}
.stat-number {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--primary);
  letter-spacing: -0.03em;
}
.stat-label {
  font-size: 0.86rem;
  color: var(--gray-500);
  margin-top: 6px;
  font-weight: 500;
}

/* ---------- Features Grid ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 38px 30px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: var(--gray-200);
}
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon {
  width: 58px;
  height: 58px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 22px;
  background: linear-gradient(135deg, rgba(15,43,70,0.07), rgba(212,149,62,0.07));
  color: var(--primary);
  transition: var(--transition);
}
.feature-card:hover .feature-icon {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
  transform: scale(1.05);
}
.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 750;
  color: var(--primary);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.feature-card p {
  font-size: 0.91rem;
  color: var(--gray-500);
  line-height: 1.75;
}

/* ---------- Process / Steps ---------- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  position: relative;
}
.process-steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: calc(12.5% + 20px);
  width: calc(75% - 40px);
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--primary-light), var(--accent));
  opacity: 0.2;
  border-radius: 1px;
}
.step-card {
  text-align: center;
  position: relative;
  z-index: 2;
}
.step-number {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--primary), var(--primary-light));
  color: var(--white);
  font-size: 1.5rem;
  font-weight: 850;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  box-shadow: 0 6px 24px rgba(15,43,70,0.28);
  position: relative;
  transition: var(--transition);
}
.step-number::after {
  content: '';
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  border: 2px dashed var(--accent);
  opacity: 0.3;
  animation: spinSlow 20s linear infinite;
}
.step-card:hover .step-number {
  transform: scale(1.08);
  box-shadow: 0 8px 30px rgba(15,43,70,0.35);
}
@keyframes spinSlow { to { transform: rotate(360deg); } }
.step-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}
.step-card p {
  font-size: 0.87rem;
  color: var(--gray-500);
  line-height: 1.6;
}
.step-time {
  display: inline-block;
  background: var(--accent-bg);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 650;
  padding: 3px 14px;
  border-radius: 999px;
  margin-top: 10px;
}

/* ---------- CTA Section ---------- */
.cta-section {
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
  padding: 90px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(212,149,62,0.08) 0%, transparent 40%),
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.03) 0%, transparent 40%);
}
.cta-section .container { position: relative; z-index: 2; }
.cta-section h2 {
  font-size: 2.3rem;
  font-weight: 850;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.cta-section p {
  font-size: 1.08rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 34px;
}
.cta-section .btn-primary {
  padding: 16px 40px;
  font-size: 1rem;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--dark);
  padding: 72px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr 0.9fr 0.9fr;
  gap: 40px;
  padding-bottom: 52px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand p {
  color: var(--gray-400);
  font-size: 0.89rem;
  line-height: 1.7;
  margin-top: 18px;
}
.footer-col h4 {
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 20px;
}
.footer-col a {
  display: block;
  color: var(--gray-400);
  font-size: 0.88rem;
  padding: 5px 0;
  transition: all 0.2s ease;
}
.footer-col a:hover {
  color: var(--accent-light);
  transform: translateX(4px);
}
.footer-bottom {
  padding: 24px 0;
  text-align: center;
}
.footer-bottom p {
  color: var(--gray-500);
  font-size: 0.84rem;
}

/* ---------- Page Header (inner pages) ---------- */
.page-header {
  background: linear-gradient(135deg, var(--dark), var(--primary));
  padding: 150px 0 70px;
  text-align: center;
  position: relative;
}
.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 100%, rgba(212,149,62,0.08) 0%, transparent 50%);
}
.page-header .container { position: relative; z-index: 2; }
.breadcrumb {
  font-size: 0.86rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 16px;
}
.breadcrumb a { color: var(--accent-light); }
.breadcrumb a:hover { color: var(--white); }
.page-header h1 {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--white);
  letter-spacing: -0.03em;
}
.page-header p {
  color: rgba(255,255,255,0.6);
  font-size: 1.05rem;
  margin-top: 10px;
}

/* ---------- Contact Page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: start;
}
.contact-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
}
.contact-form h3 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 28px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 0.87rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.91rem;
  color: var(--gray-700);
  background: var(--gray-50);
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius);
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary-light);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(26,74,120,0.08);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.contact-info-side { position: sticky; top: 110px; }
.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 26px;
  background: var(--white);
  border-radius: var(--radius);
  margin-bottom: 18px;
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.contact-card:hover {
  border-color: var(--accent);
  transform: translateX(4px);
  box-shadow: var(--shadow);
}
.contact-card-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  background: var(--accent-bg);
  border-radius: var(--radius);
}
.contact-card h4 { font-size: 0.95rem; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.contact-card p { font-size: 0.86rem; color: var(--gray-500); }
.contact-card a { color: var(--accent); font-weight: 700; }

/* ---------- About Page ---------- */
.about-intro {
  display: grid;
  grid-template-columns: 0.5fr 1.5fr;
  gap: 56px;
  align-items: center;
}
/* About page hero image */
.about-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  object-fit: cover;
}

.about-intro-text h2 {
  font-size: 2rem;
  font-weight: 850;
  color: var(--primary);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}
/* About page hero image */
.about-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  object-fit: cover;
}

.about-intro-text p {
  color: var(--gray-500);
  line-height: 1.8;
  font-size: 0.96rem;
}
.about-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}
.about-highlight-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  background: var(--gray-50);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
}
.about-highlight-item .check {
  color: var(--green);
  font-weight: 800;
  font-size: 1.1rem;
}

/* Timeline */
.timeline {
  position: relative;
  padding: 20px 0;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--primary-light));
  opacity: 0.2;
}
.timeline-item {
  display: flex;
  justify-content: flex-end;
  padding-right: calc(50% + 36px);
  position: relative;
  margin-bottom: 40px;
}
.timeline-item:nth-child(even) {
  justify-content: flex-start;
  padding-right: 0;
  padding-left: calc(50% + 36px);
}
.timeline-dot {
  position: absolute;
  left: 50%;
  top: 8px;
  width: 14px;
  height: 14px;
  background: var(--accent);
  border: 3px solid var(--white);
  border-radius: 50%;
  transform: translateX(-50%);
  box-shadow: 0 2px 8px rgba(212,149,62,0.3);
  z-index: 2;
}
.timeline-content {
  background: var(--white);
  padding: 24px 28px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  max-width: 380px;
}
.timeline-year {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-bg);
  padding: 3px 12px;
  border-radius: 999px;
  display: inline-block;
  margin-bottom: 10px;
}
.timeline-content h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}
.timeline-content p {
  font-size: 0.87rem;
  color: var(--gray-500);
  line-height: 1.65;
}

/* Tech Grid */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* Partners Grid */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

/* Requirements Grid */
.req-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.req-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
}
.req-num {
  min-width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 800;
  border-radius: 50%;
}
.req-item h4 {
  font-size: 0.97rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}
.req-item p {
  font-size: 0.86rem;
  color: var(--gray-500);
}

/* Service Detail Grid */
.service-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

/* ---------- Animations ---------- */
.fade-up {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
/* Elements always visible - animation is cosmetic only */
.fade-up.animate-in,
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .container { padding: 0 24px; }
  .hero h1 { font-size: 2.7rem; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .process-steps::before { display: none; }
  .about-intro { grid-template-columns: 1fr; gap: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .service-detail-grid { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 70px 0; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .hero { min-height: auto; padding: 140px 0 80px; }
  .hero h1 { font-size: 2.1rem; }
  .hero p { font-size: 0.98rem; }
  .hero-btns { flex-direction: column; }
  .btn { justify-content: center; }
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    margin-top: -36px;
    padding: 24px 16px;
  }
  .stat-number { font-size: 1.8rem; }
  .stat-item:not(:last-child)::after { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .req-grid { grid-template-columns: 1fr; }
  .about-highlights { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .page-header { padding: 130px 0 56px; }
  .page-header h1 { font-size: 2rem; }
  .timeline::before { left: 20px; }
  .timeline-item,
  .timeline-item:nth-child(even) {
    padding-left: 52px;
    padding-right: 0;
    justify-content: flex-start;
  }
  .timeline-dot { left: 20px; }
  .timeline-content { max-width: 100%; }
  .tech-grid { grid-template-columns: 1fr; }
  .cta-section { padding: 66px 0; }
  .cta-section h2 { font-size: 1.8rem; }
  .section-header h2 { font-size: 1.7rem; }
  .section-header { margin-bottom: 48px; }
}

@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .hero h1 { font-size: 1.8rem; }
  .stats-bar { grid-template-columns: 1fr 1fr; gap: 0; }
  .section-header h2 { font-size: 1.5rem; }
  .partners-grid { grid-template-columns: 1fr; }
  .contact-form { padding: 28px 20px; }
}