:root {
  --blue: #5aa9ff;        /* lighter blue for buttons/links */
  --green: #e9ffe9;       /* very light green */
  --ink: #111;            /* black text */
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0;
  font-family: 'Poppins', Arial, sans-serif;
  color: var(--ink);
  background: white;
  line-height: 1.6;
}

/* Navigation Bar */
.topnav {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 4vw;
  background: white;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.topnav a {
  text-decoration: none;
}

.brand {
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.2px;
}

.plan-link {
  background: var(--blue);
  color: white;
  padding: 10px 14px;
  border-radius: 10px;
  font-weight: 600;
}

.plan-link:hover {
  opacity: 0.9;
}

/* Hero Section */
.hero {
  position: relative;
  height: clamp(280px, 45vw, 520px);
  overflow: hidden;
}

.hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 0 6vw;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.25), rgba(0, 0, 0, 0.35));
}

.hero h1 {
  color: white;
  font-size: clamp(36px, 6vw, 72px);
  margin: 0 0 8px;
  font-weight: 700;
}

.tagline {
  color: #f1f5f9;
  font-weight: 500;
  font-size: clamp(16px, 2.4vw, 22px);
}

/* Cards */
.card {
  width: min(1100px, 92vw);
  margin: 28px auto;
  padding: clamp(18px, 3vw, 26px);
  background: var(--green);
  border-radius: 14px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
  text-align: center;
}

/* Alternating Feature Blocks */
.feature {
  width: min(1200px, 92vw);
  margin: 38px auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(16px, 3vw, 36px);
  align-items: center;
  padding: clamp(16px, 2vw, 22px);
  background: var(--green);
  border-radius: 14px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}

.feature:nth-of-type(even) .feature-media {
  order: 2;
}

.feature:nth-of-type(even) .feature-text {
  order: 1;
}

.feature-media img {
  width: 100%;
  height: clamp(220px, 30vw, 380px);
  object-fit: cover;
  border-radius: 12px;
  display: block;
}

.feature h2 {
  text-align: center;
  margin: 0 0 10px;
}

.feature p {
  margin: 0 0 12px;
  text-align: left;
}

/* Buttons */
.button {
  display: inline-block;
  background: var(--blue);
  color: white;
  text-decoration: none;
  padding: 10px 14px;
  border-radius: 10px;
  font-weight: 600;
}

.button:hover {
  opacity: 0.92;
}

/* Left-Aligned Bullet List */
.left-list {
  text-align: left;
  margin: 12px auto 0;
  padding-left: 1.1rem;
  max-width: 38rem;
}

/* Footer */
.site-footer {
  margin-top: 48px;
  padding: 28px 4vw 34px;
  background: #f7faf7;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.site-footer h3 {
  margin: 0 0 6px;
}

.site-footer a {
  color: var(--blue);
  text-decoration: none;
  font-weight: 600;
}

.site-footer a:hover {
  text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 900px) {
  .feature {
    grid-template-columns: 1fr;
  }
  .feature:nth-of-type(even) .feature-media,
  .feature:nth-of-type(even) .feature-text {
    order: unset;
  }
  .site-footer {
    grid-template-columns: 1fr;
  }
}