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

html {
  scroll-behavior: smooth;
}

body {
  background: #080808;
  color: #ffffff;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

/* HEADER */

.header {
  width: 100%;
  height: 75px;
  padding: 0 8%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #0d0d0d;
  border-bottom: 1px solid #222;
}

.logo {
  color: #fff;
  font-size: 27px;
  font-weight: 900;
  text-decoration: none;
  letter-spacing: -1.5px;
}

.logo span {
  color: #ff1764;
}

nav {
  display: flex;
  gap: 30px;
}

nav a,
.footer-links a {
  color: #aaa;
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

nav a:hover,
.footer-links a:hover {
  color: #ff1764;
}

/* HERO */

.hero {
  min-height: 510px;
  padding: 100px 8%;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(
      ellipse at 80% 50%,
      rgba(255, 23, 100, 0.15),
      transparent 55%
    ),
    #080808;
}

.hero-content {
  max-width: 650px;
  position: relative;
  z-index: 2;
}

.tag,
.section-tag {
  color: #ff1764;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 3px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(42px, 7vw, 76px);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: -3px;
}

.hero h1 span,
.section h2 span {
  color: #ff1764;
}

.hero p {
  color: #aaa;
  font-size: 17px;
  max-width: 520px;
  margin: 25px 0 32px;
}

.primary-btn {
  display: inline-block;
  background: #ff1764;
  color: #fff;
  padding: 13px 28px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 700;
  transition: 0.2s;
}

.primary-btn:hover {
  background: #e50050;
  transform: translateY(-2px);
}

/* SECTIONS */

.section {
  padding: 85px 8%;
}

.section h2 {
  font-size: clamp(28px, 4vw, 42px);
  margin-bottom: 25px;
  letter-spacing: -1px;
}

.about p {
  color: #aaa;
  max-width: 750px;
  margin-bottom: 15px;
  font-size: 16px;
}

/* FEATURE CARDS */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 35px;
}

.feature-card {
  background: #111;
  border: 1px solid #252525;
  border-radius: 12px;
  padding: 30px;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: #ff1764;
}

.feature-icon {
  width: 45px;
  height: 45px;
  border-radius: 10px;
  background: rgba(255, 23, 100, 0.12);
  color: #ff1764;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 19px;
  margin-bottom: 10px;
}

.feature-card p {
  color: #999;
  font-size: 14px;
}

/* AGE NOTICE */

.notice {
  margin: 20px 8% 80px;
  padding: 30px;
  display: flex;
  align-items: center;
  gap: 25px;
  background: #111;
  border: 1px solid #333;
  border-left: 4px solid #ff1764;
  border-radius: 8px;
}

.notice-icon {
  color: #ff1764;
  font-size: 32px;
  font-weight: 900;
}

.notice h3 {
  margin-bottom: 5px;
}

.notice p {
  color: #aaa;
  font-size: 14px;
}

/* FOOTER */

.footer {
  padding: 35px 8%;
  background: #0d0d0d;
  border-top: 1px solid #222;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer p {
  color: #777;
  font-size: 13px;
}

.footer-links {
  display: flex;
  gap: 20px;
}

/* MOBILE */

@media (max-width: 700px) {
  .header {
    height: 65px;
    padding: 0 5%;
  }

  nav {
    gap: 13px;
  }

  nav a {
    font-size: 12px;
  }

  .logo {
    font-size: 23px;
  }

  .hero {
    min-height: 430px;
    padding: 75px 6%;
  }

  .hero h1 {
    letter-spacing: -2px;
  }

  .hero p {
    font-size: 15px;
  }

  .section {
    padding: 65px 6%;
  }

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

  .notice {
    margin: 10px 6% 60px;
    padding: 22px;
  }

  .footer {
    padding: 30px 6%;
    flex-direction: column;
    align-items: flex-start;
  }
}