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

:root {
  --deep: #012a4a;
  --mid: #2a6f97;
  --light: #61a5c2;
  --aqua: #a9d6e5;
  --sand: #ffe8c2;
}

body {
  font-family: "Trebuchet MS", system-ui, sans-serif;
  background: linear-gradient(180deg, #61a5c2 0%, #2a6f97 40%, #012a4a 100%);
  background-attachment: fixed;
  color: #eaf6fb;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Burbujas */
.bubbles { position: fixed; inset: 0; z-index: -1; pointer-events: none; }
.bubbles span {
  position: absolute;
  bottom: -60px;
  width: 26px; height: 26px;
  background: radial-gradient(circle at 30% 30%, #fff8, #a9d6e533);
  border-radius: 50%;
  animation: rise 12s linear infinite;
}
.bubbles span:nth-child(1){ left: 10%; animation-duration: 10s; }
.bubbles span:nth-child(2){ left: 25%; width: 16px; height: 16px; animation-duration: 14s; }
.bubbles span:nth-child(3){ left: 45%; width: 34px; height: 34px; animation-duration: 9s; }
.bubbles span:nth-child(4){ left: 65%; width: 20px; height: 20px; animation-duration: 16s; }
.bubbles span:nth-child(5){ left: 80%; animation-duration: 11s; }
.bubbles span:nth-child(6){ left: 92%; width: 14px; height: 14px; animation-duration: 13s; }
@keyframes rise { to { transform: translateY(-105vh); opacity: 0; } }

.hero { text-align: center; padding: 90px 20px 60px; }
.logo { width: 130px; filter: drop-shadow(0 8px 20px rgba(1,42,74,.6)); animation: sway 7s ease-in-out infinite; }
@keyframes sway { 50% { transform: translateX(14px) rotate(-3deg); } }

.badge {
  display: inline-block;
  margin: 22px 0;
  padding: 6px 18px;
  background: rgba(255,255,255,.15);
  border-radius: 30px;
  font-size: .8rem;
  letter-spacing: 1px;
  color: var(--aqua);
}
h1 { font-size: 3.4rem; letter-spacing: 1px; }
h1 span { color: var(--sand); }
.subtitle { max-width: 560px; margin: 18px auto 30px; color: var(--aqua); line-height: 1.6; }

.cta {
  display: inline-block;
  padding: 14px 36px;
  background: var(--sand);
  color: var(--deep);
  font-weight: 700;
  text-decoration: none;
  border-radius: 40px;
  transition: transform .2s, background .2s;
}
.cta:hover { transform: translateY(-4px); background: #fff; }

.cards {
  display: flex; flex-wrap: wrap; gap: 24px;
  justify-content: center;
  padding: 40px 20px;
  max-width: 1000px; margin: 0 auto;
}
.card {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(169,214,229,.35);
  border-radius: 20px;
  padding: 30px; width: 280px; text-align: center;
  backdrop-filter: blur(4px);
  transition: transform .25s;
}
.card:hover { transform: translateY(-8px); background: rgba(255,255,255,.18); }
.card img { width: 70px; margin-bottom: 16px; }
.card h2 { margin-bottom: 10px; color: var(--sand); }
.card p { color: var(--aqua); line-height: 1.5; }

.wave-band {
  margin-top: 30px;
  padding: 60px 20px;
  background: rgba(1,42,74,.5);
  text-align: center;
}
.wave-band blockquote {
  max-width: 640px; margin: 0 auto;
  font-size: 1.3rem; font-style: italic; line-height: 1.6;
  color: #d6f0fa;
}

.footer {
  padding: 40px 20px; text-align: center;
  border-top: 2px solid rgba(169,214,229,.3);
  background: rgba(1,42,74,.7);
}
.footer-icon { width: 46px; margin-bottom: 12px; }
.footer-info .name { font-size: 1.3rem; color: var(--sand); font-weight: 700; }
.footer-info p { margin: 3px 0; color: var(--aqua); }
.deploy { margin-top: 14px; font-size: .8rem; color: #7fb; letter-spacing: 1px; }