/* Reset + base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Inter", Arial, sans-serif;
  background: linear-gradient(135deg, #132238, #1a2f47, #20354f);
  color: #fff;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow-x: hidden;
  position: relative;
}

/* --- Animated background gradient --- */
.animated-bg {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(270deg, #001f3f, #002040, #003366);
  background-size: 600% 600%;
  animation: gradientShift 18s ease infinite;
  z-index: -3;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* --- Wave layers (updated to true scrolling waves) --- */
.wave {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 180px;
  z-index: -2;
  /* Subtle translucent fill so it sits nicely over the dark background */
  opacity: 0.7;
  /* The “wave” is drawn as an SVG and repeated horizontally */
  background-image: url("data:image/svg+xml;utf8,\
<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 180' preserveAspectRatio='none'>\
  <path d='M0,120 C150,180 350,60 600,120 C850,180 1050,60 1200,120 L1200,180 L0,180 Z' fill='rgba(255,255,255,0.06)'/>\
</svg>");
  background-repeat: repeat-x;
  background-size: 1600px 180px; /* control wavelength/amplitude look */
  animation: waveScroll 22s linear infinite;
  will-change: background-position;
}

/* Layer offsets + parallax speeds */
.wave-1 {
  bottom: 0;
  animation-duration: 22s;
  opacity: 0.7;
}
.wave-2 {
  bottom: 10px;
  animation-duration: 18s;
  opacity: 0.45;
}
.wave-3 {
  bottom: 20px;
  animation-duration: 26s;
  opacity: 0.25;
}

/* Smooth horizontal drift */
@keyframes waveScroll {
  0%   { background-position: 0 0; }
  100% { background-position: -1600px 0; }
}

/* --- Card --- */
.page {
  z-index: 1;
  width: 100%;
  max-width: 500px;
  padding: 20px;
}

.card {
  background: #0d1b2a;
  border-radius: 18px;
  padding: 32px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.5);
  text-align: center;
  animation: fadeIn 1.2s ease;
  border: 2px solid #000621;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

.logo {
  width: 90px;
  margin: 0 auto 12px auto;
  display: block;
}

.title {
  font-size: 2rem;
  margin-bottom: 6px;
}

.subtitle {
  font-size: 1.2rem;
  color: #aaa;
  margin-bottom: 18px;
}

.description {
  font-size: 1rem;
  line-height: 1.5;
  margin-bottom: 20px;
  color: #ddd;
}

/* --- Features list --- */
.features {
  list-style: none;
  text-align: left;
  margin: 20px 0;
}

.features li {
  margin: 12px 0;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  color: #e0e0e0;
}

.features li i {
  margin-right: 10px;
  color: #0a5c9f;
}

/* --- Demo strip --- */
.demo-strip {
  margin-top: 20px;
  padding: 20px;
  border-radius: 14px;
  background: rgba(255,255,255,0.05);
  text-align: center;
}

.demo-strip.pink-outline {
  border: 2px solid #000621;
  outline: 4px solid rgba(77, 184, 255, 0.15);
}

.demo-title {
  font-size: 1.1rem;
  margin-bottom: 8px;
  font-weight: 600;
}

.demo-number {
  font-size: 1.2rem;
  margin-bottom: 15px;
  color: #fff;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  padding: 12px 18px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  margin: 6px;
}

.btn i {
  margin-right: 8px;
}

/* WhatsApp text button */
.btn-wa {
  background: #06722e;
  color: #fff;
}
.btn-wa:hover { transform: translateY(-2px); }

/* WhatsApp call button (pink accent) */
.btn-wa-call {
  background: #ff4da6;
  color: #fff;
}
.btn-wa-call:hover { transform: translateY(-2px); }