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

body {
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, sans-serif;
  background: linear-gradient(180deg, #f8fcff, #eef9ff);
  color: #0f172a;
  font-size: 20px;
  line-height: 1.75;
  letter-spacing: -0.25px;
}

/* WRAP */
.promo-wrap {
  max-width: 520px;
  margin: 0 auto;
  padding-bottom: 80px;
}

/* HERO */
.hero {
  padding: 78px 20px 64px;
  text-align: center;
  background:
    radial-gradient(circle at top, #dff6ff, transparent 65%),
    linear-gradient(160deg, #e0f7ff, #f0fdfa);
}

.promo-badge {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  color: #0284c7;
  background: #e0f2fe;
  box-shadow: none;
  margin-bottom: 22px;
}


.hero h1 {
  margin-top: 26px;
  font-size: 35px;
  font-weight: 900;
  line-height: 1.28;
}

.hero-sub {
  margin-top: 26px;
  font-size: 21px;
  color: #334155;
}

.hero-sub strong {
  display: block;
  margin-top: 12px;
  font-size: 25px;
  font-weight: 900;
  color: #0284c7;
}

/* INFO */
.info {
  padding: 34px 16px;
  display: grid;
  gap: 20px;
}

.info-card {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-radius: 22px;
  padding: 26px;
  box-shadow: 0 14px 34px rgba(0,0,0,0.07);
  border-left: 6px solid #38bdf8;
}

.info-card .label {
  font-size: 22px;
  font-weight: 800;
  color: #0284c7;
}

.info-card p {
  margin-top: 10px;
  font-size: 19px;
  font-weight: 700;
}

/* CONNECT */
.connect {
  padding: 38px 16px;
}

.connect h2 {
  font-size: 26px;
  font-weight: 900;
  margin-bottom: 26px;
}

.connect-card {
  background: #fff;
  border-radius: 24px;
  padding: 26px;
  margin-bottom: 22px;
  box-shadow: 0 18px 40px rgba(0,0,0,0.08);
  position: relative;
  overflow: hidden;
}

.connect-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent, rgba(56,189,248,.1));
}

.card-text h3 {
  font-size: 23px;
  font-weight: 900;
}

.card-text p {
  margin-top: 8px;
  font-size: 19px;
  color: #475569;
}

/* BUTTON */
.btn {
  display: block;
  margin-top: 18px;
  padding: 15px;
  text-align: center;
  font-size: 17px;
  font-weight: 900;
  border-radius: 13px;
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease;
}

.btn:active {
  transform: scale(.97);
}

.btn.primary {
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  color: #fff;
  box-shadow: 0 7px 18px rgba(2,132,199,.3);
  position: relative;
  overflow: hidden;
}

.btn.primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,.4), transparent);
  transform: translateX(-100%);
  transition: transform .6s ease;
}

.btn.primary:hover::after {
  transform: translateX(100%);
}

/* REVEAL */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: all .75s cubic-bezier(.22,.61,.36,1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* HOVER */
.hover-card {
  transition: transform .3s ease, box-shadow .3s ease;
}

.hover-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 26px 60px rgba(2,132,199,.22);
}
.hero-logo {
  width: 160px;
  margin: 0 auto 26px;
  display: block;
}

.card-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.card-title img {
  width: 26px;
  height: 26px;
  opacity: .85;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,.15));
}

.card-text h3 {
  font-size: 23px;
  font-weight: 900;
}




@media (max-width: 480px) {
  body {
    font-size: 18px;
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero-sub {
    font-size: 20px;
  }

  .hero-sub strong {
    font-size: 23px;
  }

  .connect h2 {
    font-size: 24px;
  }
  .hero-logo {
    width: 140px;
    margin-bottom: 22px;
  }
}