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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: #070808;
  color: #f5efe6;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 72px;
  padding: 0 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(8, 7, 6, 0.86);
  border-bottom: 1px solid rgba(255, 145, 0, 0.28);
  backdrop-filter: blur(10px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 1.15rem;
  letter-spacing: 6px;
  font-weight: 700;
}

.brand strong {
  color: #ff9300;
}

.planet-logo {
  width: 64px;
  height: 64px;
  display: inline-block;
  flex-shrink: 0;
  border-radius: 50%;
  background-image: url("public/assets/venus-icon.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  box-shadow: 0 0 24px rgba(255, 132, 0, 0.85);
}

.nav {
  display: flex;
  gap: 30px;
  font-size: 0.92rem;
}

.nav a {
  opacity: 0.9;
  padding: 28px 0 22px;
  border-bottom: 2px solid transparent;
}

.nav a:hover,
.nav a.active {
  color: #ff9d17;
  border-bottom-color: #ff9d17;
}

.header-button {
  padding: 12px 26px;
  border: 1px solid #ff9900;
  border-radius: 8px;
  color: #ffac2e;
  background: rgba(255, 128, 0, 0.08);
}

.hero {
  position: relative;
  min-height: 430px;
  display: flex;
  align-items: center;
  background-image: url("assets/venus-cloud-city.jpg");
  background-size: cover;
  background-position: center;
  border-bottom: 1px solid rgba(255, 145, 0, 0.24);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 7, 7, 0.92) 0%, rgba(7, 7, 7, 0.58) 34%, rgba(7, 7, 7, 0.08) 72%),
    linear-gradient(0deg, rgba(7, 7, 7, 0.35), rgba(255, 126, 0, 0.08));
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin-left: 8%;
  padding: 70px 0;
}

.eyebrow {
  font-size: 2.4rem;
  letter-spacing: 22px;
  font-weight: 800;
}

.hero h1 {
  font-size: clamp(5rem, 11vw, 9rem);
  line-height: 0.85;
  letter-spacing: 10px;
  color: #ff9800;
  text-shadow: 0 0 30px rgba(255, 117, 0, 0.7);
}

.hero-subtitle {
  margin-top: 22px;
  font-size: 1.55rem;
  line-height: 1.35;
  font-weight: 700;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 30px;
}

.btn {
  min-width: 210px;
  padding: 16px 24px;
  border-radius: 7px;
  border: 1px solid rgba(255, 153, 0, 0.85);
  text-align: center;
  font-weight: 700;
}

.btn.primary {
  background: linear-gradient(180deg, #ff9f1a, #cc5400);
  color: white;
  box-shadow: 0 0 22px rgba(255, 126, 0, 0.55);
}

.btn.secondary {
  background: rgba(7, 7, 7, 0.68);
}

.section {
  padding: 18px 6% 12px;
  background: #080909;
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  margin: 0 auto 18px;
}

.section-title span {
  width: 180px;
  height: 1px;
  background: linear-gradient(90deg, transparent, #ff8a00, transparent);
}

.section-title h2 {
  font-size: 1.1rem;
  letter-spacing: 10px;
  text-align: center;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1270px;
  margin: 0 auto;
}

.why-card {
  min-height: 118px;
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 24px;
  border: 1px solid rgba(255, 145, 0, 0.35);
  border-radius: 10px;
  background:
    linear-gradient(135deg, rgba(255, 153, 0, 0.13), rgba(0, 0, 0, 0.52)),
    #17110b;
  box-shadow: inset 0 -10px 28px rgba(255, 128, 0, 0.08);
}

.card-icon,
.mission-icon {
  color: #ff9d00;
  font-size: 3.1rem;
  text-shadow: 0 0 18px rgba(255, 145, 0, 0.8);
}

.why-card h3,
.mission-grid h3,
.support-card h3 {
  color: #ffe1b8;
  letter-spacing: 3px;
  font-size: 1rem;
  margin-bottom: 8px;
}

.why-card p,
.mission-grid p,
.support-card p,
.mission-text {
  color: #d7c8b5;
  line-height: 1.4;
}

.concept-grid {
  max-width: 1370px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.concept-card {
  min-height: 150px;
  border-radius: 9px;
  border: 1px solid rgba(255, 166, 0, 0.34);
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
}

.concept-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,0.82), rgba(0,0,0,0.05));
}

.concept-card p {
  position: absolute;
  z-index: 1;
  bottom: 12px;
  width: 100%;
  text-align: center;
  font-weight: 700;
}

.mission {
  border-top: 1px solid rgba(255, 145, 0, 0.12);
}

.mission-text {
  text-align: center;
  max-width: 850px;
  margin: 0 auto 22px;
}

.mission-grid {
  max-width: 1150px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.mission-grid article {
  display: grid;
  grid-template-columns: 70px 1fr;
  column-gap: 16px;
  align-items: center;
  border-right: 1px solid rgba(255, 145, 0, 0.24);
  padding-right: 18px;
}

.mission-grid article:last-child {
  border-right: none;
}

.mission-icon {
  grid-row: span 2;
  text-align: center;
}

.support-section {
  margin: 22px 3% 30px;
  padding: 14px 28px 24px;
  border: 1px solid rgba(255, 153, 0, 0.45);
  border-radius: 10px;
  background:
    linear-gradient(rgba(0,0,0,0.55), rgba(0,0,0,0.7)),
    url("assets/venus-cloud-city.jpg");
  background-size: cover;
  background-position: center;
}

.support-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 28px;
  max-width: 1150px;
  margin: 0 auto;
}

.support-card {
  min-height: 150px;
  display: flex;
  align-items: center;
  gap: 26px;
  padding: 24px;
  border: 1px solid rgba(255, 153, 0, 0.35);
  border-radius: 10px;
  background: rgba(10, 8, 6, 0.78);
}

.book-card img {
  width: 95px;
  height: auto;
  transform: rotate(-8deg);
  filter: drop-shadow(0 0 18px rgba(255, 126, 0, 0.45));
}

.youtube-icon {
  width: 105px;
  height: 72px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: #ff0000;
  color: white;
  font-size: 2.1rem;
  font-weight: 900;
}

.community-icon {
  color: #ff9d00;
  font-size: 3rem;
  letter-spacing: -8px;
  text-shadow: 0 0 20px rgba(255, 145, 0, 0.8);
}

.small-btn {
  display: inline-block;
  margin-top: 12px;
  padding: 9px 24px;
  border: 1px solid #ff9d00;
  border-radius: 4px;
  font-weight: 700;
  background: rgba(0,0,0,0.35);
}

.small-btn:hover,
.header-button:hover,
.btn:hover {
  background-color: rgba(255, 145, 0, 0.22);
}

.footer {
  padding: 26px;
  text-align: center;
  color: #9f927f;
  border-top: 1px solid rgba(255, 145, 0, 0.16);
}

@media (max-width: 1050px) {
  .site-header {
    height: auto;
    padding: 18px;
    flex-wrap: wrap;
    gap: 16px;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    gap: 18px;
  }

  .hero-content {
    margin: 0;
    padding: 70px 28px;
  }

  .why-grid,
  .mission-grid,
  .support-grid {
    grid-template-columns: 1fr;
  }

  .concept-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .mission-grid article {
    border-right: none;
    border-bottom: 1px solid rgba(255, 145, 0, 0.2);
    padding-bottom: 18px;
  }
}

@media (max-width: 620px) {
  .brand {
    letter-spacing: 3px;
    font-size: 0.9rem;
  }

  .header-button {
    width: 100%;
    text-align: center;
  }

  .eyebrow {
    font-size: 1.4rem;
    letter-spacing: 12px;
  }

  .hero h1 {
    font-size: 4.1rem;
    letter-spacing: 4px;
  }

  .hero-subtitle {
    font-size: 1.15rem;
  }

  .btn {
    width: 100%;
  }

  .section-title {
    gap: 12px;
  }

  .section-title span {
    width: 55px;
  }

  .section-title h2 {
    font-size: 0.9rem;
    letter-spacing: 5px;
  }

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

  .support-card {
    flex-direction: column;
    text-align: center;
  }
}