:root {
  --clr-primary: #0b1e3a;
  --clr-secondary: #42526b;
  --clr-accent: #11b8c9;
  --clr-accent-2: #2dd4bf;
  --clr-bg: #f6fbff;
  --radius: 1rem;
  --transition: 0.28s cubic-bezier(0.2, 0.8, 0.2, 1);
  --max-width: 1200px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Poppins", sans-serif;
  color: var(--clr-secondary);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(circle at 8% 10%, rgba(17, 184, 201, 0.2), transparent 35%),
    radial-gradient(circle at 90% 0%, rgba(45, 212, 191, 0.22), transparent 42%),
    linear-gradient(160deg, #eef8ff 0%, #f8fcff 48%, #f2fbff 100%);
}


.container {
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
  width: 100%;
}

header.site-header {
  position: sticky;
  top: 0;
  background: rgba(246, 251, 255, 0.9);
  box-shadow: 0 8px 22px rgba(17, 32, 57, 0.08);
  backdrop-filter: blur(8px);
  padding: 1.15rem 0;
  z-index: 100;
  display: flex;
  justify-content: center;
  align-items: center;
}

.header-container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
  max-width: var(--max-width);
  gap: 0.2rem;
}

.header-kicker {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #0f6370;
  font-weight: 700;
}

header h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.04em;
  color: var(--clr-primary);
}

.header-subtitle {
  margin: 0.15rem 0 0;
  text-align: center;
  max-width: 760px;
  color: #4d617f;
}

main.container {
  flex-grow: 1;
  padding-top: 2.1rem;
  padding-bottom: 5rem;
  width: 100%;
}

.hero-panel {
  border: 1px solid rgba(61, 97, 142, 0.22);
  border-radius: 1.25rem;
  padding: 1.4rem;
  background: linear-gradient(130deg, rgba(255, 255, 255, 0.95), rgba(236, 250, 255, 0.92));
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 1rem;
  box-shadow: 0 16px 34px rgba(13, 53, 85, 0.12);
  margin-bottom: 2.1rem;
  animation: enter 650ms ease both;
}

.hero-tag {
  display: inline-flex;
  margin: 0;
  background: linear-gradient(120deg, var(--clr-accent), var(--clr-accent-2));
  color: #032a34;
  border-radius: 999px;
  padding: 0.2rem 0.75rem;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-panel h2 {
  margin: 0.55rem 0;
  color: var(--clr-primary);
  font-size: clamp(1.4rem, 3vw, 2rem);
}

.hero-panel p {
  margin: 0;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.stat {
  border-radius: 0.9rem;
  border: 1px solid rgba(62, 112, 168, 0.3);
  background: rgba(255, 255, 255, 0.85);
  padding: 0.8rem;
  text-align: center;
}

.stat span {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--clr-primary);
}

.stat small {
  color: #506684;
}

.section {
  margin-bottom: 5rem;
}

.section-title {
  font-size: clamp(1.65rem, 4vw, 2.4rem);
  font-weight: 700;
  color: var(--clr-primary);
  margin-bottom: 2rem;
  border-left: 6px solid var(--clr-accent);
  padding-left: 0.75rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(220px,1fr));
  gap: 1.5rem 1.5rem;
}

.card {
  background: linear-gradient(165deg, #ffffff, #f0fbff);
  border-radius: var(--radius);
  border: 1px solid rgba(58, 114, 157, 0.23);
  box-shadow: 0 8px 18px rgba(16, 58, 97, 0.08);
  padding: 1rem 1.1rem;
  font-weight: 600;
  font-size: 1.04rem;
  color: var(--clr-primary);
  cursor: pointer;
  user-select: none;
  text-align: left;
  transition:
    box-shadow var(--transition),
    transform var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0.38rem;
  text-decoration: none;
}

.card:hover, .card:focus-visible {
  color: var(--clr-primary);
  box-shadow:
    0 14px 28px rgba(17, 184, 201, 0.3),
    0 6px 16px rgba(16, 58, 97, 0.18);
  transform: translateY(-4px);
  outline: none;
}

.card span {
  font-size: 1.03rem;
}

.card small {
  color: #0f6975;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.feedback-panel {
  border: 1px solid rgba(58, 114, 157, 0.24);
  border-radius: 1rem;
  background: linear-gradient(160deg, #ffffff, #effcff);
  padding: 1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.feedback-panel p {
  margin: 0;
  color: #415778;
}

.feedback-btn {
  display: inline-block;
  text-decoration: none;
  color: #05333b;
  font-weight: 700;
  padding: 0.7rem 1rem;
  border-radius: 0.7rem;
  background: linear-gradient(120deg, var(--clr-accent), var(--clr-accent-2));
  transition: transform var(--transition), filter var(--transition);
}

.feedback-btn:hover,
.feedback-btn:focus-visible {
  transform: translateY(-2px);
  filter: brightness(1.05);
}

/* Animate cards on load */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes enter {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.card {
  animation: fadeInUp 0.4s ease forwards;
  opacity: 0;
}
.card:nth-child(1) { animation-delay: 0.05s; }
.card:nth-child(2) { animation-delay: 0.10s; }
.card:nth-child(3) { animation-delay: 0.15s; }
.card:nth-child(4) { animation-delay: 0.20s; }
.card:nth-child(5) { animation-delay: 0.25s; }
.card:nth-child(6) { animation-delay: 0.30s; }
.card:nth-child(7) { animation-delay: 0.35s; }
.card:nth-child(8) { animation-delay: 0.40s; }
.card:nth-child(9) { animation-delay: 0.45s; }
.card:nth-child(10){ animation-delay: 0.50s; }
.card:nth-child(11){ animation-delay: 0.55s; }
.card:nth-child(12){ animation-delay: 0.60s; }
.card:nth-child(13){ animation-delay: 0.65s; }
.card:nth-child(14){ animation-delay: 0.70s; }
.card:nth-child(15){ animation-delay: 0.75s; }

@media (max-width: 600px) {
  .header-subtitle {
    font-size: 0.92rem;
  }

  .hero-panel {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    grid-template-columns: 1fr 1fr;
  }

  main.container {
    padding-top: 2rem;
    padding-bottom: 3rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .card {
    font-size: 1rem;
    padding: 0.85rem 1rem;
  }
}