/* RESET */
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', system-ui, sans-serif; }
:root{
  --brand:#006064;
  --brand-dark:#004d61;
  --ink:#1d2b2f;
  --bg-soft:#e0f7fa;
}

/* BODY */
body { background: linear-gradient(135deg, #eaf9fc, #ffffff); color: var(--ink); }

/* HEADER */
header{
  position: sticky; top: 0; z-index: 30;
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 50px; background: rgba(0, 105, 148, 0.92); color: #d8f1fd;
  backdrop-filter: saturate(1.2) blur(6px);
}
header .logo{ display:flex; align-items:center; gap:10px; }
header .logo img{ width:56px; height:auto; }
header nav ul{ display:flex; list-style:none; gap:22px; }
header nav a{ color:#d8f1fd; text-decoration:none; font-weight:600; }
header nav a:hover{ text-decoration:underline; }

/* HERO */
.hero{
  position: relative;
  min-height: 85vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 60px 24px;
  overflow: hidden;
}
.hero-video{
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 0;
  filter: brightness(0.7) saturate(1.05);
}
.overlay{
  position: absolute; inset: 0;
  background: linear-gradient(180deg, #00000040, rgba(0,0,0,.35));
  z-index: 1;
}
.hero-text{
  position: relative; z-index: 2; max-width: 820px; color: #d8f1fd;
}
.hero-text h2{ font-size: clamp(28px, 5vw, 44px); margin-bottom: 14px; }
.hero-text p{ font-size: clamp(16px, 2.6vw, 20px); line-height: 1.5; margin-bottom: 28px; }
.btn{
  display:inline-block; background: var(--bg-soft); color: var(--brand-dark);
  padding: 12px 26px; border-radius: 10px; font-weight: 700; text-decoration: none;
  box-shadow: 0 10px 30px rgba(0,0,0,.15); transition: transform .15s ease, box-shadow .2s ease;
}
.btn:hover{ transform: translateY(-2px); box-shadow: 0 14px 36px rgba(0,0,0,.22); }

/* IMAGE PISCA 3D */
.pisca-container { perspective: 1000px; margin-top: 30px; }
.pisca-3d {
  width: 240px;
  transition: transform 0.6s ease;
  filter: drop-shadow(0 8px 20px rgba(0,0,0,0.3));
}
.pisca-3d:hover {
  transform: rotateY(25deg) rotateX(10deg) scale(1.1);
}



/* ABOUT */
.about{ padding: 60px 24px; text-align:center; }
.about h2{ font-size: clamp(24px, 4vw, 34px); margin-bottom: 14px; color: var(--brand); }
.about p{ max-width: 820px; margin: 0 auto; font-size: 18px; line-height: 1.6; }

/* CONTACT */
.contact{ background: var(--bg-soft); padding: 60px 24px; text-align:center; }
.contact h2{ margin-bottom: 20px; color: var(--brand); }
form{
  max-width: 560px; margin: 0 auto; display:flex; flex-direction:column; gap: 14px;
  text-align:left; background: #ffffff; padding: 22px; border-radius: 14px;
  box-shadow: 0 12px 40px rgba(0,0,0,.08);
}
label{ font-weight: 600; color: var(--brand-dark); }
input, textarea{
  padding: 12px 14px; border: 1px solid #cfe8ee; border-radius: 10px; font-size: 16px;
  outline: none; transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
  background: #f9feff;
}
input:focus, textarea:focus{
  border-color: var(--brand); box-shadow: 0 0 0 4px rgba(0,96,100,.12);
  background: #fff;
}
form button{
  background: var(--brand); color:#fff; padding: 12px 18px; border: none; border-radius: 10px;
  font-weight: 700; cursor:pointer; transition: background .2s ease, transform .15s ease;
}
form button:hover{ background: var(--brand-dark); transform: translateY(-1px); }

/* FOOTER */
footer{ background: var(--brand-dark); color:#fff; text-align:center; padding: 16px; }

/* ANIMATIONS */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 1.4s forwards;
}
@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* RESPONSIVE */
@media (max-width: 720px){
  header{ padding: 12px 18px; }
  header .logo img{ width: 46px; }
}