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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: #0f0f0f;
  color: #ffffff;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 8%;
  background: #111111;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 24px;
  font-weight: bold;
}

.brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

nav {
  display: flex;
  gap: 28px;
}

nav a {
  color: #ffffff;
  text-decoration: none;
  font-weight: bold;
}

nav a:hover {
  color: #00ff99;
}

.hero {
  min-height: 75vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 70px 20px;
}

.hero img {
  width: 160px;
  margin-bottom: 25px;
}

.hero h1 {
  font-size: 58px;
  margin-bottom: 18px;
}

.hero p {
  font-size: 20px;
  color: #cccccc;
  max-width: 680px;
  line-height: 1.6;
}

.about,
.vision,
.support,
.contact {
  padding: 75px 8%;
}

.about,
.vision,
.support {
  text-align: center;
}

.about {
  background: #111111;
}

.about h2,
.vision h2,
.support h2,
.contact h2 {
  font-size: 38px;
  margin-bottom: 25px;
}

.about p {
  color: #cccccc;
  max-width: 850px;
  margin: 0 auto;
  font-size: 18px;
  line-height: 1.8;
}

.cards,
.support-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.card,
.support-card {
  background: #181818;
  border-radius: 16px;
  padding: 30px 24px;
  border: 1px solid #252525;
}

.card h3,
.support-card h3 {
  color: #00ff99;
  margin-bottom: 12px;
  font-size: 24px;
}

.card p,
.support-card p {
  color: #cccccc;
  line-height: 1.6;
}

.support {
  background: #0f0f0f;
}

.support-intro {
  color: #cccccc;
  max-width: 720px;
  margin: 0 auto 34px;
  font-size: 18px;
  line-height: 1.7;
}

.contact {
  background: #080808;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-box {
  width: 100%;
  max-width: 625px;
}

.contact h2 {
  text-align: left;
}

.contact p {
  color: #ffffff;
  margin-bottom: 22px;
  font-size: 18px;
}

form {
  display: flex;
  flex-direction: column;
  gap: 13px;
}

input,
textarea {
  width: 100%;
  background: #111111;
  color: #ffffff;
  border: 1px solid #333333;
  border-radius: 5px;
  padding: 15px 13px;
  font-size: 16px;
  outline: none;
}

textarea {
  min-height: 122px;
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: #8f8f8f;
}

button {
  background: #ffffff;
  color: #000000;
  border: none;
  border-radius: 5px;
  padding: 15px 20px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
}

button:hover {
  opacity: 0.9;
}

footer {
  padding: 24px 20px;
  text-align: center;
  color: #999999;
  background: #0b0b0b;
}

@media (max-width: 768px) {
  header {
    flex-direction: column;
    gap: 18px;
  }

  nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 18px;
  }

  .hero h1 {
    font-size: 44px;
  }

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

  .contact h2 {
    text-align: center;
  }
}