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

:root {
  --red: #aa1c46;
  --white: #ffffff;
  --text-dark: #222;
}

body {
  font-family: 'Open Sans', sans-serif;
  color: var(--text-dark);
  background: var(--white);
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
span,
a,
li,
div,
input,
textarea,
select,
label {
  font-family: inherit;
}

@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.3;
  }
}

section {
  padding: 40px 20px;
}

.btn-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 380px;
  height: 60px;
  padding: 16px 48px;
  margin: 0 auto;
  font-family: Arial, sans-serif;
  font-weight: 700;
  font-size: 18px;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: background .2s, transform .15s;
}

.btn-cta--45 {
  background: var(--red);
  color: var(--white);
}

.btn-cta--45:hover {
  background: #8a1639;
}

.btn-cta--under45 {
  background: var(--white);
  color: var(--text-dark);
}

.btn-cta--under45:hover {
  background: #e0e0e0;
}

.online-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--red);
  border-radius: 999px;
  padding: 6px 16px;
  margin-bottom: 22px;
  font-size: 0.85rem;
  color: var(--white);
  font-weight: 600;
}

.online-dot {
  width: 9px;
  height: 9px;
  background: #4cff72;
  border-radius: 50%;
  animation: blink 1.4s ease-in-out infinite;
  flex-shrink: 0;
}

.hero {
  position: relative;
  height: 100vh;
  min-height: 580px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: url('../images/background-desktop.webp') center/cover no-repeat;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
}

.hero-card {
  position: relative;
  z-index: 2;
  background: rgba(0, 0, 0, 0.4);
  border-radius: 20px;
  padding: 52px 60px;
  text-align: center;
  max-width: 620px;
  width: 100%;
  backdrop-filter: blur(1px);
  border: none;
  box-shadow: 0px 0px 10px 0px rgba(0, 0, 0, .5);
}

@keyframes pulse-45 {
  0% {
    box-shadow: 0 0 0 0 rgba(170, 28, 70, 0.7);
  }

  70% {
    box-shadow: 0 0 0 10px rgba(170, 28, 70, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(170, 28, 70, 0);
  }
}

@keyframes pulse-under45 {
  0% {
    box-shadow: 0 0 0 0 rgba(136, 136, 136, 0.7);
  }

  70% {
    box-shadow: 0 0 0 10px rgba(136, 136, 136, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(136, 136, 136, 0);
  }
}

.btn-cta--45 {
  animation: pulse-45 2s ease-in-out infinite;
}

.btn-cta--under45 {
  animation: pulse-under45 2s ease-in-out infinite;
}

.btn-cta--45:hover,
.btn-cta--under45:hover {
  animation: none;
}

.hero-card h1 {
  font-family: 'Open Sans', sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}

.hero-card .tagline {
  color: var(--white);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 18px;
}

.hero-card .sub {
  color: var(--white);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.6;
  margin-bottom: 30px;
}

@media (max-width: 600px) {
  .hero-card {
    padding: 36px 24px;
  }

  .hero-card h1 {
    font-size: 1.7rem;
  }

  .hero .btn-cta {
    width: calc(100% - 20px);
    height: 58px;
    margin: 0 auto;
  }

  .hero-bg {
    background-image: url('../images/background-mobile.webp');
  }
}