:root {
  --primary: #0a1b12;
  --accent: #d4ff00;
  --bg: #f8f7f3;
  --surface: #ffffff;
  --text-primary: #0a1b12;
  --text-secondary: #6b6e6a;
  --border-radius: 24px;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Plus Jakarta Sans", sans-serif;
  background-color: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
}

.highlight {
  background: linear-gradient(
    180deg,
    transparent 70%,
    rgba(212, 255, 0, 0.3) 70%
  );
}

/* Navbar */
.navbar {
  height: 90px;
  display: flex;
  align-items: center;
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(248, 247, 243, 0.8);
  backdrop-filter: blur(20px);
  z-index: 1000;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
}

.logo-box {
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-weight: 900;
  font-size: 1.2rem;
}

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--primary);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--primary);
}

/* Hero Section */
.hero {
  padding: 180px 0 100px;
  position: relative;
}

.hero .container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 40px;
}

.hero-content {
    flex: 1;
    min-width: 320px;
}

.hero-visual {
    flex: 1;
    min-width: 320px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(212, 255, 0, 0.15);
  color: #4a5a00;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 4.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.04em;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 550px;
  margin-bottom: 48px;
}

.hero-actions {
  display: flex;
  gap: 20px;
  margin-bottom: 64px;
}

.btn {
  text-decoration: none;
  padding: 16px 32px;
  border-radius: 16px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  transition: var(--transition);
  font-size: 1rem;
}

.btn-lg {
  padding: 20px 40px;
  border-radius: 20px;
  font-size: 1.1rem;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(10, 27, 18, 0.2);
}

.btn-accent {
  background: var(--accent);
  color: var(--primary);
}

.btn-accent:hover {
  background: #c3eb00;
}

.btn-secondary {
  background: white;
  color: var(--primary);
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.play-store-badge img {
  height: 60px;
  width: auto;
  transition: var(--transition);
}

.play-store-badge.large img {
  height: 80px;
}

.play-store-badge:hover img {
  transform: scale(1.05);
  filter: brightness(1.1);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-size: 1.8rem;
  font-weight: 800;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.hero-stats .divider {
  width: 1px;
  height: 40px;
  background: rgba(0, 0, 0, 0.1);
}

.hero-img {
  width: 100%;
  max-width: 320px;
  height: auto;
  border-radius: 32px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.12);
  transition: var(--transition);
}

.hero-img:hover {
  transform: translateY(-10px);
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.18);
}


/* Sections */
.section {
  padding: 120px 0;
}

.bg-light {
  background: #fff;
}

.section-header {
  text-align: center;
  margin-bottom: 80px;
}

.sub-title {
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.feature-card {
  background: var(--surface);
  padding: 48px;
  border-radius: var(--border-radius);
  transition: var(--transition);
  border: 1px solid rgba(0, 0, 0, 0.03);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow);
  background: var(--bg);
}

.icon-box {
  width: 64px;
  height: 64px;
  background: var(--bg);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 20px;
  font-size: 1.8rem;
  margin-bottom: 32px;
}

.feature-card:hover .icon-box {
  background: var(--primary);
  color: var(--accent);
}

.feature-card h3 {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.feature-card p {
  color: var(--text-secondary);
  font-weight: 500;
}

/* Procedure */
.procedure-list {
  max-width: 800px;
  margin: 0 auto;
}

.step {
  display: flex;
  gap: 40px;
  margin-bottom: 64px;
  position: relative;
}

.step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 32px;
  top: 80px;
  bottom: -40px;
  width: 1px;
  border-left: 2px dashed rgba(0, 0, 0, 0.1);
}

.step-num {
  width: 64px;
  height: 64px;
  min-width: 64px;
  background: var(--primary);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-weight: 800;
  font-size: 1.2rem;
}

.step-content h3 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.step-content p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Download Section */
.download-section {
  padding: 100px 0;
}

.download-box {
  background: var(--primary);
  border-radius: 48px;
  padding: 100px 48px;
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}

.download-box h2 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 24px;
}

.download-box p {
  font-size: 1.25rem;
  opacity: 0.8;
  margin-bottom: 48px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.store-btn {
  display: inline-flex;
  background: white;
  color: var(--primary);
  text-decoration: none;
  padding: 14px 32px;
  border-radius: 16px;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
}

.store-btn:hover {
  transform: scale(1.05);
}

.store-btn i {
  font-size: 2rem;
}

.btn-text {
  text-align: left;
  line-height: 1.2;
}

.btn-text span {
  font-size: 0.75rem;
  font-weight: 700;
  display: block;
  text-transform: uppercase;
}

.btn-text strong {
  font-size: 1.25rem;
  font-weight: 800;
}

.version-tag {
  margin-top: 32px;
  font-size: 0.85rem;
  font-weight: 700;
  opacity: 0.5;
}

/* Footer */
.footer {
  padding: 64px 0;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 32px;
}

.footer-links a {
  text-decoration: none;
  color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 1024px) {
  .navbar {
    height: 80px;
  }

  .hero h1 {
    font-size: 3.8rem;
  }

  .hero .container {
    align-items: center;
  }
}

@media (max-width: 991px) {
  .hero .container {
    flex-direction: column;
    text-align: center;
  }

  .hero p {
    margin-left: auto;
    margin-right: auto;
  }

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

@media (max-width: 768px) {
    .navbar {
        height: 70px;
    }

    .mobile-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--bg);
        flex-direction: column;
        padding: 40px;
        gap: 20px;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        z-index: 1000;
    }

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

    .hero {
        padding: 120px 0 60px;
    }

    .hero h1 {
        font-size: 2.2rem;
        line-height: 1.2;
    }

    .hero p {
        font-size: 1.05rem;
        margin-bottom: 32px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .hero-stats {
        gap: 16px;
        flex-wrap: wrap;
        justify-content: center;
        margin-top: 32px;
    }

    .hero-visual {
        margin-top: 40px;
        min-width: 100%;
    }

    .hero-img {
        max-width: 240px;
        border-radius: 20px;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

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

    .feature-card {
        padding: 32px 24px;
    }

    .download-box {
        padding: 40px 20px;
        border-radius: 32px;
    }

    .download-box h2 {
        font-size: 1.8rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .hero-img {
        max-width: 200px;
    }

    .stat-num {
        font-size: 1.25rem;
    }
}