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

body {
  font-family: "Inter", sans-serif;
  background-color: #ffffff;
  color: #111111;
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

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

.btn {
  display: inline-block;
  padding: 12px 28px;
  font-weight: 600;
  border-radius: 6px;
  transition: all 0.2s ease;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background-color: #d90429;
  color: white;
}

.btn-primary:hover {
  background-color: #ef233c;
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid #e5e5e5;
  color: #111111;
}

.btn-outline:hover {
  border-color: #d90429;
  color: #d90429;
}

header {
  padding: 20px 0;
  border-bottom: 1px solid #e5e5e5;
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(5px);
  z-index: 100;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -1px;
  color: #d90429;
  display: flex;
  align-items: center;
  gap: 5px;
}

.logo span {
  color: #111111;
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-links a {
  font-weight: 600;
  font-size: 0.95rem;
  color: #666666;
}

.nav-links a:hover {
  color: #d90429;
}

.nav-actions {
  display: flex;
  gap: 15px;
}

.hero {
  padding: 100px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 50px;
}

.hero-content h1 {
  font-size: 4rem;
  line-height: 1.1;
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -2px;
}

.hero-content h1 span {
  color: #d90429;
}

.hero-content p {
  font-size: 1.25rem;
  color: #666666;
  margin-bottom: 40px;
  max-width: 480px;
}

.hero-buttons {
  display: flex;
  gap: 15px;
}

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

.phone-mockup {
  width: 320px;
  height: 600px;
  background: #ffffff;
  border: 12px solid #111111;
  border-radius: 40px;
  position: relative;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.phone-mockup::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 25px;
  background: #111111;
  border-bottom-left-radius: 12px;
  border-bottom-right-radius: 12px;
  z-index: 2;
}

.screen-header {
  background: #f8f9fa;
  padding: 40px 20px 20px;
}

.screen-title {
  font-weight: 800;
  font-size: 1.5rem;
}

.screen-date {
  font-size: 0.8rem;
  color: #666666;
}

.stat-card {
  background: #d90429;
  color: white;
  margin: 20px;
  padding: 20px;
  border-radius: 12px;
}

.stat-card h3 {
  font-size: 2.5rem;
  font-weight: 800;
  margin: 5px 0;
}

.stat-card span {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.8;
}

.list-item {
  display: flex;
  justify-content: space-between;
  padding: 20px;
  border-bottom: 1px solid #e5e5e5;
  align-items: center;
}

.list-icon {
  width: 40px;
  height: 40px;
  background: #f8f9fa;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: bold;
  color: #d90429;
}

.features {
  padding: 80px 0;
  background-color: #f8f9fa;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 10px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.feature-card {
  background: #ffffff;
  padding: 40px;
  border-radius: 12px;
  border: 1px solid #e5e5e5;
  transition: transform 0.2s;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: #d90429;
}

.icon-box {
  width: 50px;
  height: 50px;
  background-color: #d90429;
  color: white;
  display: grid;
  place-items: center;
  border-radius: 8px;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.feature-card p {
  color: #666666;
  font-size: 0.95rem;
}

.cta-section {
  padding: 100px 0;
  text-align: center;
}

.cta-box {
  background: #111111;
  color: white;
  padding: 60px;
  border-radius: 20px;
}

.cta-box h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.cta-box p {
  color: #999999;
  margin-bottom: 30px;
}

footer {
  padding: 40px 0;
  border-top: 1px solid #e5e5e5;
  text-align: center;
  color: #666666;
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 60px 0;
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }

  .hero-content p {
    margin: 0 auto 30px auto;
  }

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

  .nav-links {
    display: none;
  }

  .phone-mockup {
    margin: 0 auto;
  }
}