@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600&display=swap');

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

body {
  font-family: "Inter", sans-serif;
  background: #0b0b0b;
  color: #eaeaea;
  line-height: 1.6;
}

/* HEADER */
header {
  text-align: center;
  padding: 4rem 1rem 3rem;
  border-bottom: 1px solid #1a1a1a;
  background: radial-gradient(circle at top, #111 0%, #0b0b0b 70%);
}

header h1 {
  font-size: 2.2rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
}

header p {
  color: #aaa;
  max-width: 600px;
  margin: 0 auto;
  font-size: 1rem;
}

/* TABS */
.tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.6rem;
  border-bottom: 1px solid #1a1a1a;
  padding: 1rem 0;
  background: #0e0e0e;
}

.tab {
  background: transparent;
  border: 1px solid #1e1e1e;
  color: #bbb;
  padding: 0.6rem 1.2rem;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.25s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}

.tab:hover {
  color: #00bfff;
  border-color: #00bfff;
  box-shadow: 0 0 10px rgba(0,191,255,0.1);
}

.tab.active {
  background-color: #0f1418;
  border-color: #00bfff;
  color: #00bfff;
}

/* CONTENT */
.tab-content {
  display: none;
  opacity: 0;
  transform: translateY(15px);
  animation: fadeSlide 0.6s ease forwards;
}

.tab-content.active {
  display: block;
}

@keyframes fadeSlide {
  to { opacity: 1; transform: translateY(0); }
}

h2 {
  text-align: center;
  font-size: 1.4rem;
  font-weight: 600;
  color: #eaeaea;
  margin: 2rem 0 1rem;
}

/* CARD */
.card {
  background: #101010;
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 14px;
  padding: 1.6rem;
  margin: 1rem auto;
  max-width: 650px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card:hover {
  border-color: #00bfff;
  box-shadow: 0 0 20px rgba(0,191,255,0.1);
  transform: translateY(-4px);
}

.card .icon {
  position: absolute;
  top: 1rem;
  right: 1rem;
  color: #00bfff;
  opacity: 0.2;
  width: 32px;
  height: 32px;
}

.card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: #eaeaea;
}

.card p {
  color: #aaa;
  font-size: 0.95rem;
  margin: 0.3rem 0;
}

/* CTA */
.cta {
  text-align: center;
  margin: 3rem 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #00bfff;
  color: #0b0b0b;
  padding: 0.9rem 2.2rem;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn:hover {
  background: #1ec8ff;
  transform: translateY(-2px);
}

/* FOOTER */
footer {
  text-align: center;
  padding: 1.5rem 0;
  font-size: 0.85rem;
  color: #666;
  border-top: 1px solid #1a1a1a;
  background: #0e0e0e;
}