body {
  margin: 0;
  font-family: system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background: #ffffff;
  color: #111;
}

.page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.header {
  border-bottom: 1px solid #eee;
  background: #fff;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 20px;

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

.main {
  flex: 1;
  padding: 1rem 1rem 2rem;
}

.brand-logo {
  height: 36px;
}

/* -----------------------------
   Mobile Carousel Fix
----------------------------- */

@media (max-width: 700px) {

  .carousel-wrapper {
    flex-direction: column;
    gap: 14px;
  }

  .carousel {
    width: 100%;
  }

  .carousel-nav {
    font-size: 26px;
  }

}

/* -----------------------------
   Landing Page Carousel
----------------------------- */

.carousel {
  width: 100%;
  max-width: 1100px;
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.08);
  background: #fff;
}

/* -----------------------------
   Carousel Navigation
----------------------------- */

.carousel-wrapper {
  width: 100%;
  max-width: 1250px;
  margin: 0 auto;

  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 40px;
}

.carousel-nav {
  font-size: 32px;
  line-height: 1;
  color: #333;
  background: none;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease;
  opacity: 0.6;
}

.carousel-nav:hover {
  transform: scale(1.15);
  opacity: 1;
}

.carousel-track {
  display: flex;
  transition: transform 0.6s ease;
}

.carousel-slide {
  min-width: 100%;
}

.carousel-slide img {
  width: 100%;
  display: block;
}

/* -----------------------------
   Google Identity Button Fix
----------------------------- */

#signInBtn iframe {
  box-shadow: none !important;
  background: transparent !important;
}

/* -----------------------------
   Landing Structure
----------------------------- */

.landing-container {
  width: 100%;
}

.landing-section {
  padding: 30px 20px 80px 20px;
}

.landing-inner {
  max-width: 1200px;
  margin: 0 auto;
}

/* -----------------------------
   Landing Intro
----------------------------- */

.landing-intro {
  text-align: center;
  margin-bottom: 60px;
}

.landing-title {
  font-size: 42px;
  font-weight: 600;
  margin-bottom: 14px;
}

.landing-sub {
  font-size: 18px;
  color: #666;
  margin-bottom: 40px;
}

/* -----------------------------
   SEO Category Icons
----------------------------- */

.seo-categories {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.seo-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: #111;

  padding: 18px 20px;
  border-radius: 14px;
  background: #ffffff;

  box-shadow: 0 6px 16px rgba(0,0,0,0.06);

  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.seo-card img {
  width: 80px;
  height: 80px;
  margin-bottom: 10px;
}

.seo-card span {
  font-size: 16px;
  font-weight: 500;
}

.seo-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 14px 30px rgba(0,0,0,0.12);
}

/* -----------------------------
   Get Started Page (GIS Centering)
----------------------------- */

.gis-wrapper {
  display: flex;
  justify-content: center;
  margin-top: 20px;
}

/* -----------------------------
   Get Started Page (Vertical Center)
----------------------------- */

.centered-main {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* -----------------------------
   Get Started Wrapper (Fix Centering)
----------------------------- */

.get-started-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

/* -----------------------------
   Get Started Card
----------------------------- */

.get-started-card {
  background: #ffffff;
  padding: 40px 50px;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  text-align: center;
  max-width: 480px;
  width: 100%;
}