* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.7;
  color: #1e293b;
  background: #f8fafc;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navbar */
.navbar {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: box-shadow 0.3s;
}

.navbar.scrolled {
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 76px;
}

.nav-logo {
  font-size: 1.2rem;
  font-weight: 800;
  color: #2563eb;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.5px;
}

.logo-icon {
  font-size: 1.6rem;
}

.nav-menu {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 4px;
}

.nav-menu a {
  text-decoration: none;
  color: #475569;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.25s;
  position: relative;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 20px;
  height: 3px;
  background: #2563eb;
  border-radius: 4px;
  transition: transform 0.25s;
}

.nav-menu a:hover {
  color: #2563eb;
  background: #eef2ff;
}

.nav-menu a.active {
  color: #2563eb;
  background: #eef2ff;
}

.nav-menu a.active::after {
  transform: translateX(-50%) scaleX(1);
}

.nav-right-mobile {
  display: none;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.nav-toggle span {
  width: 24px;
  height: 2.5px;
  background: #334155;
  border-radius: 4px;
  transition: all 0.3s;
}

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

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

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

/* Hero */
.hero {
  padding: 168px 0 100px;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 40%, #2563eb 100%);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(37,99,235,0.15) 0%, transparent 50%),
              radial-gradient(circle at 70% 50%, rgba(99,102,241,0.1) 0%, transparent 50%);
  animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  0% { transform: translate(0, 0); }
  100% { transform: translate(-2%, -2%); }
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.15);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  margin-bottom: 28px;
  animation: fadeInUp 0.6s ease-out;
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.15;
  letter-spacing: -1px;
  animation: fadeInUp 0.6s ease-out 0.1s both;
}

.hero h1 span {
  background: linear-gradient(135deg, #60a5fa, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  max-width: 620px;
  margin: 0 auto 36px;
  opacity: 0.85;
  line-height: 1.8;
  animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s ease-out 0.3s both;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s;
  cursor: pointer;
  border: none;
  letter-spacing: 0.3px;
}

.btn-primary {
  background: #fff;
  color: #2563eb;
  box-shadow: 0 4px 14px rgba(37,99,235,0.2);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(37,99,235,0.3);
}

.btn-secondary {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.35);
}

.btn-secondary:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.08);
  transform: translateY(-3px);
}

/* Section Titles */
.section-title {
  text-align: center;
  font-size: 2rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.section-subtitle {
  text-align: center;
  font-size: 1.05rem;
  color: #64748b;
  max-width: 560px;
  margin: 0 auto 50px;
  line-height: 1.7;
}

/* Features */
.features {
  padding: 100px 0;
  background: #fff;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.feature-card {
  background: #fff;
  padding: 36px 28px;
  border-radius: 16px;
  text-align: center;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid #e2e8f0;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #2563eb, #7c3aed);
  transform: scaleX(0);
  transition: transform 0.35s;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.08);
  border-color: transparent;
}

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

.feature-icon {
  font-size: 2.8rem;
  margin-bottom: 18px;
  display: inline-block;
  transition: transform 0.3s;
}

.feature-card:hover .feature-icon {
  transform: scale(1.15);
}

.feature-card h3 {
  font-size: 1.15rem;
  color: #0f172a;
  margin-bottom: 10px;
  font-weight: 700;
}

.feature-card p {
  color: #64748b;
  font-size: 0.92rem;
  line-height: 1.7;
}

/* App Promo */
.app-promo {
  padding: 100px 0;
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4338ca 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.app-promo::after {
  content: '';
  position: absolute;
  bottom: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(167,139,250,0.12) 0%, transparent 70%);
  border-radius: 50%;
}

.app-promo-content {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.app-promo h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.app-promo p {
  font-size: 1.05rem;
  opacity: 0.85;
  margin-bottom: 32px;
  line-height: 1.8;
}

.app-features {
  list-style: none;
  text-align: left;
  max-width: 480px;
  margin: 0 auto 36px;
}

.app-features li {
  padding: 10px 0;
  font-size: 0.95rem;
  opacity: 0.9;
  display: flex;
  align-items: center;
  gap: 10px;
}

.app-features li::before {
  content: '✓';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: rgba(74,222,128,0.2);
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
  color: #4ade80;
  flex-shrink: 0;
}

.app-promo .btn-primary {
  background: #fff;
  color: #4338ca;
}

.app-promo .btn-primary:hover {
  background: #f0f0ff;
  box-shadow: 0 8px 25px rgba(255,255,255,0.2);
}

/* Steps */
.quick-steps {
  padding: 100px 0;
  background: #fff;
}

.steps-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
  position: relative;
}

.steps-container::before {
  content: '';
  position: absolute;
  top: 44px;
  left: calc(12.5% + 30px);
  right: calc(12.5% + 30px);
  height: 2px;
  background: linear-gradient(90deg, #2563eb, #7c3aed, #2563eb);
  opacity: 0.3;
}

.step {
  text-align: center;
  padding: 32px 20px;
  position: relative;
}

.step-number {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 800;
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 14px rgba(37,99,235,0.25);
  transition: transform 0.3s, box-shadow 0.3s;
}

.step:hover .step-number {
  transform: scale(1.1);
  box-shadow: 0 8px 25px rgba(37,99,235,0.35);
}

.step h3 {
  font-size: 1.1rem;
  color: #0f172a;
  margin-bottom: 8px;
  font-weight: 700;
}

.step p {
  color: #64748b;
  font-size: 0.9rem;
  line-height: 1.7;
}

/* Page Header */
.page-header {
  padding: 148px 0 60px;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #2563eb 100%);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 70% 30%, rgba(99,102,241,0.12) 0%, transparent 50%);
}

.page-header > .container {
  position: relative;
  z-index: 1;
}

.page-header h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}

.page-header p {
  font-size: 1.1rem;
  opacity: 0.85;
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  align-items: center;
  margin-top: 16px;
  font-size: 0.85rem;
}

.breadcrumb a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: color 0.2s;
}

.breadcrumb a:hover {
  color: #fff;
}

.breadcrumb span {
  color: rgba(255,255,255,0.4);
}

.breadcrumb .current {
  color: rgba(255,255,255,0.85);
}

/* Content Section */
.content-section {
  padding: 60px 0 100px;
}

.article-content {
  background: #fff;
  border-radius: 20px;
  padding: 56px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 8px 30px rgba(0,0,0,0.04);
  max-width: 860px;
  margin: 0 auto;
}

.article-content h2 {
  font-size: 1.7rem;
  color: #0f172a;
  margin: 48px 0 20px;
  padding-bottom: 12px;
  border-bottom: 3px solid #2563eb;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.article-content h2:first-child {
  margin-top: 0;
}

.article-content h3 {
  font-size: 1.2rem;
  color: #1e293b;
  margin: 28px 0 12px;
  font-weight: 700;
}

.article-content p {
  font-size: 1rem;
  line-height: 1.85;
  color: #475569;
  margin-bottom: 16px;
}

.article-content ul {
  padding-left: 28px;
  margin-bottom: 24px;
}

.article-content ul li {
  font-size: 0.95rem;
  line-height: 1.85;
  color: #475569;
  margin-bottom: 8px;
  padding-left: 4px;
}

.article-content ul li::marker {
  color: #2563eb;
}

/* Idea Cards */
.idea-card {
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 32px;
  margin-bottom: 24px;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.idea-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(37,99,235,0.05) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(30%, -30%);
}

.idea-card:hover {
  border-color: #2563eb;
  box-shadow: 0 12px 30px rgba(37,99,235,0.1);
  transform: translateY(-4px);
  background: #fff;
}

.idea-card h2 {
  font-size: 1.25rem;
  margin-top: 0 !important;
  border-bottom: none !important;
  padding-bottom: 0 !important;
  margin-bottom: 14px !important;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* CTA Box */
.cta-box {
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4338ca 100%);
  color: #fff;
  border-radius: 20px;
  padding: 48px 40px;
  text-align: center;
  margin-top: 48px;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(167,139,250,0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-box h3 {
  color: #fff !important;
  font-size: 1.5rem !important;
  margin-bottom: 12px !important;
  border: none !important;
}

.cta-box p {
  color: rgba(255,255,255,0.85) !important;
  margin-bottom: 28px !important;
  max-width: 500px;
  margin-left: auto !important;
  margin-right: auto !important;
}

.cta-box .btn-primary {
  background: #fff;
  color: #4338ca;
}

.cta-box .btn-primary:hover {
  background: #f0f0ff;
  box-shadow: 0 8px 25px rgba(255,255,255,0.2);
}

/* FAQ Section */
.faq-section {
  padding: 100px 0;
  background: #fff;
}

.faq-container {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  background: #fff;
  border-radius: 14px;
  margin-bottom: 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  border: 1px solid #e2e8f0;
  overflow: hidden;
  transition: box-shadow 0.3s;
}

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

.faq-item.open {
  border-color: #2563eb;
  box-shadow: 0 4px 20px rgba(37,99,235,0.08);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: #fff;
  border: none;
  text-align: left;
  font-size: 0.95rem;
  font-weight: 600;
  color: #0f172a;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: background 0.2s;
}

.faq-question:hover {
  background: #f8fafc;
}

.faq-icon {
  font-size: 1.3rem;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  flex-shrink: 0;
  color: #2563eb;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #eef2ff;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: #2563eb;
  color: #fff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 24px;
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 24px 22px;
}

.faq-answer p {
  font-size: 0.92rem;
  line-height: 1.8;
  color: #64748b;
}

/* Footer */
.footer {
  background: #0f172a;
  color: rgba(255,255,255,0.6);
  padding: 48px 0 36px;
  text-align: center;
}

.footer-brand {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  display: block;
}

.footer-links {
  margin-bottom: 24px;
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.footer-links a {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.2s;
  position: relative;
}

.footer-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: #2563eb;
  transition: width 0.25s;
}

.footer-links a:hover {
  color: #fff;
}

.footer-links a:hover::after {
  width: 100%;
}

.footer p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
}

/* Download Button */
.btn-download {
  background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
  color: #fff;
  padding: 8px 18px;
  font-size: 0.85rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.3s;
  white-space: nowrap;
  margin-left: 8px;
  box-shadow: 0 2px 8px rgba(22,163,74,0.25);
}

.btn-download:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(22,163,74,0.35);
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 46px;
  height: 46px;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(37,99,235,0.3);
  transition: all 0.3s;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(37,99,235,0.4);
}

/* App Promo Section (carryover for button) */
.app-promo .btn-download {
  background: #fff;
  color: #4338ca;
  padding: 14px 32px;
  font-size: 1rem;
}

/* Tags */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #eef2ff;
  color: #2563eb;
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
}

/* Mobile */
@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  .nav-container {
    height: 72px;
  }

  .nav-toggle {
    display: flex;
    position: relative;
    z-index: 1002;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 300px;
    max-width: 85vw;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 100px 20px 32px;
    gap: 6px;
    z-index: 1001;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    box-shadow: -8px 0 30px rgba(0,0,0,0.1);
    display: flex;
    overflow-y: auto;
  }

  .nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15,23,42,0.45);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
  }

  .nav-overlay.open {
    opacity: 1;
    pointer-events: auto;
  }

  .nav-menu.open {
    transform: translateX(0);
  }

  .nav-menu a {
    padding: 14px 18px;
    font-size: 1rem;
    width: 100%;
    text-align: left;
    border-radius: 12px;
    font-weight: 500;
    -webkit-tap-highlight-color: transparent;
    transition: background 0.15s, color 0.15s;
  }

  .nav-menu a:active {
    background: #e0e7ff;
    transform: scale(0.97);
  }

  .nav-menu a::after {
    display: none;
  }

  .nav-menu a.active {
    background: #eef2ff;
    color: #2563eb;
  }

  .nav-right {
    display: none;
  }

  .nav-right-mobile {
    display: block;
    margin-top: 16px;
    padding: 0 20px;
  }

  .nav-right-mobile .btn-download {
    width: 100%;
    justify-content: center;
    padding: 14px;
    font-size: 0.95rem;
    border-radius: 12px;
  }

  .btn-download {
    margin-left: 0;
    padding: 10px 16px;
    font-size: 0.9rem;
    justify-content: center;
  }

  .hero {
    padding: 130px 0 64px;
  }

  .hero h1 {
    font-size: 2rem;
    letter-spacing: -0.5px;
  }

  .hero p {
    font-size: 0.95rem;
    padding: 0 8px;
  }

  .hero-badge {
    font-size: 0.75rem;
    padding: 6px 14px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }

  .hero-buttons .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }

  .section-title {
    font-size: 1.5rem;
    letter-spacing: -0.3px;
  }

  .section-subtitle {
    font-size: 0.92rem;
    margin-bottom: 32px;
    padding: 0 6px;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .feature-card {
    padding: 28px 22px;
    text-align: left;
    display: flex;
    gap: 16px;
    align-items: flex-start;
  }

  .feature-icon {
    font-size: 2rem;
    margin-bottom: 0;
    flex-shrink: 0;
  }

  .feature-card h3 {
    font-size: 1.05rem;
    margin-bottom: 6px;
  }

  .feature-card p {
    font-size: 0.88rem;
  }

  .steps-container::before {
    display: none;
  }

  .steps-container {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .step {
    padding: 20px 16px;
    display: flex;
    align-items: center;
    gap: 18px;
    text-align: left;
    background: #f8fafc;
    border-radius: 14px;
    border: 1px solid #e2e8f0;
  }

  .step-number {
    width: 48px;
    height: 48px;
    font-size: 1.1rem;
    margin: 0;
    flex-shrink: 0;
  }

  .step div {
    flex: 1;
  }

  .step h3 {
    font-size: 1rem;
    margin-bottom: 4px;
  }

  .step p {
    font-size: 0.85rem;
  }

  .app-promo-content {
    text-align: left;
  }

  .app-promo h2 {
    font-size: 1.5rem;
  }

  .app-promo p {
    font-size: 0.92rem;
  }

  .app-features {
    max-width: 100%;
  }

  .app-features li {
    font-size: 0.88rem;
    padding: 8px 0;
  }

  .article-content {
    padding: 24px 18px;
    border-radius: 14px;
  }

  .article-content h2 {
    font-size: 1.3rem;
    margin: 32px 0 16px;
  }

  .article-content h3 {
    font-size: 1.05rem;
    margin: 22px 0 10px;
  }

  .article-content p {
    font-size: 0.92rem;
    line-height: 1.75;
  }

  .article-content ul {
    padding-left: 20px;
  }

  .article-content ul li {
    font-size: 0.9rem;
  }

  .page-header h1 {
    font-size: 1.7rem;
  }

  .page-header p {
    font-size: 0.95rem;
  }

  .page-header {
    padding: 122px 0 44px;
  }

  .breadcrumb {
    font-size: 0.78rem;
    gap: 6px;
  }

  .cta-box {
    padding: 28px 20px;
    border-radius: 14px;
    margin-top: 32px;
  }

  .cta-box h3 {
    font-size: 1.2rem !important;
  }

  .cta-box p {
    font-size: 0.88rem !important;
  }

  .idea-card {
    padding: 22px;
    border-radius: 14px;
  }

  .idea-card h2 {
    font-size: 1.1rem;
  }

  .idea-card ul li {
    font-size: 0.88rem;
  }

  .faq-section {
    padding: 64px 0;
  }

  .faq-question {
    padding: 16px 18px;
    font-size: 0.9rem;
    line-height: 1.5;
  }

  .faq-icon {
    width: 24px;
    height: 24px;
    font-size: 1.1rem;
    flex-shrink: 0;
  }

  .faq-answer {
    padding: 0 18px;
  }

  .faq-item.open .faq-answer {
    padding: 0 18px 16px;
  }

  .faq-answer p {
    font-size: 0.88rem;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
    font-size: 1rem;
  }

  .features, .quick-steps, .app-promo {
    padding: 56px 0;
  }

  .footer {
    padding: 40px 0 28px;
  }

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

  .footer-links {
    gap: 16px;
  }

  .footer-links a {
    font-size: 0.82rem;
  }

  .footer p {
    font-size: 0.75rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero {
    padding: 122px 0 56px;
  }

  .hero h1 {
    font-size: 1.6rem;
  }

  .hero p {
    font-size: 0.9rem;
  }

  .section-title {
    font-size: 1.35rem;
  }

  .page-header h1 {
    font-size: 1.45rem;
  }

  .page-header {
    padding: 112px 0 38px;
  }

  .features, .quick-steps, .app-promo {
    padding: 44px 0;
  }

  .faq-section {
    padding: 44px 0;
  }

  .step {
    padding: 16px 14px;
    gap: 14px;
  }

  .step-number {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .feature-card {
    padding: 22px 18px;
    gap: 12px;
    flex-wrap: wrap;
  }

  .feature-icon {
    font-size: 1.6rem;
  }

  .article-content {
    padding: 18px 14px;
  }

  .cta-box {
    padding: 24px 18px;
  }

  .idea-card {
    padding: 18px;
  }

  .footer-links {
    gap: 12px;
    flex-direction: column;
    align-items: center;
  }
}