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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: #1E293B;
  line-height: 1.6;
  background: #fff;
}

a {
  color: inherit;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* NAVBAR */
.navbar {
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid #E2E8F0;
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 16px 0;
  backdrop-filter: blur(10px);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: #2563EB;
  text-decoration: none;
}

.logo {
  font-size: 28px;
}

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

.nav-links a {
  text-decoration: none;
  color: #64748B;
  font-weight: 600;
  font-size: 14px;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: #2563EB;
}

.btn-download {
  background: #2563EB;
  color: #fff !important;
  padding: 10px 18px;
  border-radius: 10px;
}

.btn-download:hover {
  background: #1D4ED8;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: #1E293B;
}

/* HERO */
.hero {
  background: linear-gradient(135deg, #EFF6FF 0%, #F0FDF4 100%);
  padding: 90px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.badge {
  display: inline-block;
  background: #DBEAFE;
  color: #1D4ED8;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 18px;
}

.hero-content h1 {
  font-size: 52px;
  font-weight: 800;
  color: #0F172A;
  line-height: 1.1;
  margin-bottom: 22px;
}

.hero-subtitle {
  font-size: 18px;
  color: #475569;
  margin-bottom: 32px;
  max-width: 680px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 14px;
}

.btn-primary,
.btn-secondary {
  padding: 14px 26px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  font-size: 16px;
  transition: all 0.3s;
  display: inline-block;
}

.btn-primary {
  background: #2563EB;
  color: #fff;
}

.btn-primary:hover {
  background: #1D4ED8;
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(37, 99, 235, 0.28);
}

.btn-secondary {
  background: #fff;
  color: #2563EB;
  border: 2px solid #2563EB;
}

.btn-secondary:hover {
  background: #2563EB;
  color: #fff;
}

.small-note {
  color: #64748B;
  font-size: 14px;
  margin-bottom: 34px;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
}

.stat-item {
  background: rgba(255,255,255,0.7);
  border: 1px solid #E2E8F0;
  border-radius: 16px;
  padding: 16px 18px;
  min-width: 145px;
}

.stat-number {
  display: block;
  font-size: 18px;
  font-weight: 800;
  color: #2563EB;
}

.stat-label {
  font-size: 14px;
  color: #64748B;
}

.hero-image {
  display: flex;
  justify-content: center;
}

.phone-mockup {
  width: 290px;
  height: 540px;
  background: #0F172A;
  border-radius: 38px;
  padding: 16px;
  border: 5px solid #334155;
  box-shadow: 0 25px 55px rgba(15, 23, 42, 0.25);
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, #FFFFFF 0%, #EFF6FF 100%);
  border-radius: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

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

.mockup-icon {
  display: block;
  font-size: 52px;
  margin-bottom: 16px;
}

.mockup-content h3 {
  color: #2563EB;
  font-size: 24px;
  margin-bottom: 8px;
}

.mockup-content p {
  color: #64748B;
  font-size: 14px;
}

/* FEATURES */
.features {
  padding: 85px 0;
}

.features h2,
.seo-section h2,
.cta h2 {
  font-size: 38px;
  font-weight: 800;
  text-align: center;
  margin-bottom: 12px;
  color: #0F172A;
}

.section-subtitle {
  text-align: center;
  color: #64748B;
  font-size: 18px;
  margin-bottom: 50px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: #fff;
  padding: 32px;
  border-radius: 18px;
  border: 1px solid #E2E8F0;
  transition: all 0.3s;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.08);
  border-color: #2563EB;
}

.feature-icon {
  font-size: 38px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 19px;
  font-weight: 800;
  margin-bottom: 10px;
  color: #0F172A;
}

.feature-card p {
  color: #64748B;
  font-size: 15px;
}

/* SEO */
.seo-section {
  background: #F8FAFC;
  padding: 75px 0;
}

.seo-section .container {
  max-width: 900px;
}

.seo-section h2 {
  text-align: left;
}

.seo-section p {
  color: #475569;
  font-size: 17px;
  margin-bottom: 18px;
}

/* CTA */
.cta {
  background: #2563EB;
  padding: 85px 0;
  text-align: center;
  color: #fff;
}

.cta h2 {
  color: #fff;
}

.cta p {
  font-size: 18px;
  margin-bottom: 32px;
  opacity: 0.95;
}

.btn-large {
  padding: 17px 38px;
  font-size: 18px;
  background: #fff;
  color: #2563EB;
}

.btn-large:hover {
  background: #F8FAFC;
}

/* FOOTER */
.footer {
  background: #0F172A;
  color: #CBD5E1;
  padding: 50px 0 24px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 42px;
  margin-bottom: 34px;
}

.footer-brand .brand-text {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
}

.footer-brand p {
  margin-top: 10px;
  font-size: 14px;
}

.footer-links h4 {
  color: #fff;
  margin-bottom: 16px;
  font-size: 16px;
}

.footer-links a {
  display: block;
  color: #CBD5E1;
  text-decoration: none;
  margin-bottom: 9px;
  font-size: 14px;
}

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

.footer-bottom {
  border-top: 1px solid #334155;
  padding-top: 24px;
  text-align: center;
  font-size: 14px;
  color: #94A3B8;
}

/* LEGAL / SUPPORT */
.legal-page,
.support-page {
  padding: 70px 0;
}

.legal-page h1,
.support-page h1 {
  font-size: 42px;
  font-weight: 800;
  margin-bottom: 8px;
  color: #0F172A;
}

.last-update,
.support-subtitle {
  color: #64748B;
  margin-bottom: 40px;
  font-size: 17px;
}

.legal-content {
  max-width: 900px;
}

.legal-content h2 {
  font-size: 24px;
  font-weight: 800;
  margin: 34px 0 14px;
  color: #2563EB;
}

.legal-content p,
.legal-content li {
  color: #475569;
  margin-bottom: 10px;
}

.legal-content ul {
  margin-left: 22px;
  margin-bottom: 20px;
}

.legal-content a {
  color: #2563EB;
  font-weight: 700;
}

/* SUPPORT */
.support-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 65px;
}

.support-card {
  background: #F8FAFC;
  padding: 32px;
  border-radius: 18px;
  text-align: center;
  border: 1px solid #E2E8F0;
}

.support-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.support-card h3 {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 8px;
}

.support-card p {
  color: #64748B;
  margin-bottom: 22px;
}

.faq-section h2 {
  font-size: 30px;
  font-weight: 800;
  margin-bottom: 30px;
  color: #0F172A;
}

.faq-item {
  background: #fff;
  border: 1px solid #E2E8F0;
  border-radius: 14px;
  padding: 24px;
  margin-bottom: 16px;
}

.faq-item h3 {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 8px;
  color: #2563EB;
}

.faq-item p {
  color: #64748B;
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-buttons,
  .hero-stats {
    justify-content: center;
  }

  .features-grid,
  .support-grid {
    grid-template-columns: 1fr 1fr;
  }

  .seo-section h2 {
    text-align: center;
  }
}

@media (max-width: 768px) {
  .navbar .container {
    position: relative;
  }

  .menu-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 58px;
    left: 20px;
    right: 20px;
    background: #fff;
    border: 1px solid #E2E8F0;
    border-radius: 16px;
    padding: 18px;
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links a {
    padding: 10px 4px;
  }

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

  .hero {
    padding: 60px 0;
  }

  .hero-content h1 {
    font-size: 36px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .features h2,
  .seo-section h2,
  .cta h2 {
    font-size: 30px;
  }

  .features-grid,
  .support-grid,
  .footer-content {
    grid-template-columns: 1fr;
  }

  .phone-mockup {
    width: 230px;
    height: 430px;
  }

  .legal-page h1,
  .support-page h1 {
    font-size: 34px;
  }
}