:root {
  --primary-color: #2563eb;
  --secondary-color: #3b82f6;
  --accent-color: #10b981;
  --accent-hover: #059669;
  --light-bg: #f8fafc;
  --white-bg: #ffffff;
  --black: #000000;
  --dark-bg: #1e293b;
  --text-color: #334155;
  --light-text: #ffffff;
  --border-color: #e2e8f0;
  --shadow-color: rgba(0, 0, 0, 0.05);
  --font-family: 'Poppins', sans-serif;
  --base-font-size: 18px;
  --header-height: 85vh;
  --border-radius: 12px;
  --transition-duration: 0.3s;
  --gradient-1: linear-gradient(135deg, #2563eb 0%, #10b981 100%);
}

.dark-mode {
  --white-bg: #0f172a;
  --light-bg: #1e293b;
  --text-color: #e2e8f0;
  --dark-bg: #020617;
  --border-color: #334155;
  --shadow-color: rgba(255, 255, 255, 0.05);
  --gradient-1: linear-gradient(135deg, #1e40af 0%, #047857 100%);
}

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

html {
  scroll-behavior: smooth;
  font-size: var(--base-font-size);
  overflow-y: scroll;
  scrollbar-width: none;
  -ms-overflow-style: none;
  transition: background-color var(--transition-duration) ease, color var(--transition-duration) ease;
}

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--light-bg);
  overflow-x: hidden;
  transition: background-color var(--transition-duration) ease, color var(--transition-duration) ease;
}

body::-webkit-scrollbar,
html::-webkit-scrollbar {
  display: none;
}

li {
  line-height: 2;
}

.container {
  width: 90%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3 {
  line-height: 1.2;
  margin-bottom: 1.25rem;
}

h1 {
  font-size: clamp(2.75rem, 6vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  color: var(--light-text);
}

h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.03em;
}

h3 {
  font-size: 1.5rem;
  color: var(--text-color);
}

p {
  margin-bottom: 1.5rem;
  max-width: 65ch;
}

.hero {
  background: var(--gradient-1) center/cover;
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  text-align: center;
  padding: 0rem 0;
  position: relative;
  overflow: hidden;
}

.subtitle {
  font-size: 1.25rem;
  max-width: 50ch;
  margin: 1.5rem auto 2.5rem;
  color: rgba(255, 255, 255, 0.9);
}

.scroll-down-link {
  display: inline-block;
  padding: 1rem 2.5rem;
  color: var(--light-text);
  border-radius: 50px;
  font-weight: 600;
  border: 2px solid var(--light-text);
  transition: all var(--transition-duration) ease;
  text-decoration: none;
  position: relative;
  z-index: 2;
}

.scroll-down-link:hover {
  transform: translateY(-10px) scale(1.05);
}

.content-section {
  padding: 5rem 0;
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
  position: relative;
  overflow: hidden;
  background-color: var(--light-bg);
}

.content-section.visible {
  opacity: 1;
  transform: translateY(0);
}

.bg-dark {
  background-color: var(--dark-bg);
  color: var(--light-text);
}

.bg-light {
  background-color: var(--light-bg);
}

.action-section::after,
.bg-dark::after,
.bg-light::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 50%;
  width: 100vw;
  height: 100px;
  transform: translateX(-50%);
  z-index: 1;
}

.benefit-card {
  background: var(--white-bg);
  border-radius: var(--border-radius);
  padding: 2.5rem;
  box-shadow: 0 25px 50px -12px var(--shadow-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
}

.benefit-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 35px 60px -15px var(--shadow-color);
}

.action-button,
.whatsapp-button {
  display: inline-flex;
  align-items: center;
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-weight: 600;
  transition: all var(--transition-duration) ease;
  border: 2px solid transparent;
  background: var(--accent-color);
  color: var(--light-text);
  text-decoration: none;
  z-index: 2;
}

.whatsapp-button:hover {
  background-color: var(--accent-hover);
  transform: translateY(-10px) scale(1.05);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

footer {
  background: var(--dark-bg);
  padding: 3rem 0;
  position: relative;
  overflow: hidden;
}

footer::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 50%;
  width: 100vw;
  height: 50px;
  transform: translateX(-50%);
  background: linear-gradient(to bottom right, transparent 49.5%, var(--dark-bg) 50%);
  z-index: 1;
}


.maintenance-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
  display: inline-block;
}

.maintenance-list ul {
  list-style: none;
  padding-left: 0;
}

.maintenance-list li {
  position: relative;
  padding-left: 1.5em;
  margin-bottom: 1rem;
}

.maintenance-list li::before {
  content: "✔️";
  position: absolute;
  left: 0;
}

@media (max-width: 768px) {
  :root {
    --base-font-size: 16px;
    --header-height: 75vh;
  }
  .hero {
    padding: 3rem 0;
  }
  .container {
    width: 95%;
    padding: 0 15px;
  }
  .content-section {
    padding: 3rem 0;
  }
  .benefit-card {
    padding: 1.75rem;
  }
  .scroll-down-link {
    padding: 0.8rem 2rem;
  }
  .hero::after,
  .bg-dark::after,
  .bg-light::after,
  .action-section::after {
    height: 80px;
  }
  footer::before {
    height: 40px;
  }
}

@media (max-width: 480px) {
  :root {
    --header-height: 70vh;
  }
  h1 {
    font-size: 2rem;
  }
  h2 {
    font-size: 1.75rem;
  }
  .hero::after,
  .bg-dark::after,
  .bg-light::after,
  .action-section::after {
    height: 60px;
  }
  .benefit-card {
    padding: 1.5rem;
  }
  .scroll-down-link {
    padding: 0.7rem 1.5rem;
  }
  footer::before {
    height: 30px;
  }
}