:root {
  --bg-main: #fff8e1;
  --bg-soft: #fffdf6;
  --yellow: #facc15;
  --yellow-dark: #eab308;
  --text-dark: #1f2933;
  --card-bg: #ffffff;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
}

body {
  background: linear-gradient(180deg, var(--bg-main), var(--bg-soft));
  color: var(--text-dark);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

/* HEADER */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 50px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-wrap {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(0,0,0,0.08);
}

.logo-wrap img {
  width: 28px;
}

.brand span {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--yellow-dark);
}

nav a {
  margin-left: 28px;
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
}

/* HERO */
.hero {
  text-align: center;
  padding: 110px 20px 140px;
  background:
    radial-gradient(
      circle at center,
      rgba(250, 204, 21, 0.18),
      transparent 65%
    );
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
}

.hero-logo {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: white;
  padding: 16px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.08);
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 700;
}

.hero h1 span {
  color: var(--yellow-dark);
}

.hero p {
  max-width: 680px;
  font-size: 1.05rem;
}

.hero-actions {
  margin-top: 25px;
}

.hero select,
.hero button {
  padding: 14px 22px;
  border-radius: 10px;
  border: 1px solid #ddd;
  margin: 6px;
}

.hero button {
  background: var(--yellow);
  border: none;
  font-weight: 600;
  cursor: pointer;
}

/* SECTIONS */
section {
  padding: 90px 0;
}

h2 {
  text-align: center;
  font-size: 2.3rem;
  margin-bottom: 15px;
  color: var(--yellow-dark);
}

.section-subtext {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 50px;
}

/* CARDS */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
}

.card {
  background: var(--card-bg);
  padding: 35px;
  border-radius: 18px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.tag {
  display: inline-block;
  margin-top: 15px;
  padding: 6px 14px;
  background: rgba(250, 204, 21, 0.25);
  border-radius: 20px;
  font-size: 0.8rem;
}

/* IMPACT */
.highlight {
  background: linear-gradient(180deg, transparent, rgba(250,204,21,0.25));
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  text-align: center;
}

/* CREDITS */
.credit-box {
  max-width: 650px;
  margin: auto;
  background: #fff;
  padding: 45px;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

/* ABOUT */
.about-grid {
  max-width: 750px;
  margin: auto;
  display: grid;
  gap: 25px;
  font-size: 1.05rem;
}

/* FOOTER */
footer {
  text-align: center;
  padding: 35px;
  opacity: 0.7;
}

/* MOBILE */
@media (max-width: 768px) {
  nav {
    display: none;
  }

  .container {
    padding: 0 24px;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

  .hero-actions {
    display: flex;
    flex-direction: column;
    width: 100%;
  }

  .hero select,
  .hero button {
    width: 100%;
  }
}

}