* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", system-ui, sans-serif;
}

body {
  background: #0b0b0b;
  color: #fff;
}

/* HERO */
.hero {
  position: relative;
  min-height: 100vh;
  background: url("hero-bg.jpg") center / cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at center,
    rgba(0,0,0,0.35),
    rgba(0,0,0,0.9)
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  padding: 40px;
}

.hero h1 {
  font-size: clamp(32px, 6vw, 56px);
  letter-spacing: 3px;
}

.subtitle {
  opacity: 0.8;
  margin-top: 8px;
}

.hero h2 {
  margin: 30px 0;
  font-size: clamp(22px, 4vw, 36px);
  line-height: 1.4;
}

.hero h2 span {
  color: #d0d0d0;
}

.cta {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 40px;
  background: #e5e5e5;
  color: #000;
  text-decoration: none;
  font-weight: 600;
  transition: 0.3s;
}

.cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(255,255,255,0.15);
}

/* FEATURES */
.features {
  margin-top: -80px;
  padding: 0 6vw 100px;
  position: relative;
  z-index: 3;
}

.features-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.section-title {
  margin: 80px 0 30px;
  text-align: center;
  font-size: 22px;
  letter-spacing: 4px;
  text-transform: uppercase;
  opacity: 0.8;
}

/* CARD */
.feature-card {
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(12px);
  border-radius: 20px;
  padding: 30px 20px;
  text-align: center;
  border: 1px solid rgba(255,255,255,0.08);
  transition: 0.3s;
}

.feature-card:hover {
  transform: translateY(-6px);
  background: rgba(255,255,255,0.1);
}

/* ICON */
.icon {
  display: inline-block;
  font-size: 28px;
  margin-bottom: 12px;
  filter: grayscale(100%) brightness(1.6);
  opacity: 0.9;
}

.feature-card:hover .icon {
  filter: grayscale(0%) brightness(1.3);
}

/* SOCIAL */
.social-row {
  max-width: 900px;
  margin: 0 auto;
}

.feature-card.social {
  background: linear-gradient(
    180deg,
    rgba(255,255,255,0.08),
    rgba(255,255,255,0.03)
  );
}

/* LINK CARD */
.link-card {
  text-decoration: none;
  color: inherit;
  display: block;
}

.link-card:hover {
  cursor: pointer;
}