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

/* Body and main background */
body {
  font-family: "Segoe UI", Arial, sans-serif;
  font-size: 2rem; /* Big text for desktop */
  line-height: 1.5;
  background: linear-gradient(to bottom, #cce6ff, #ffffff);
  color: #222;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* ---- Animated background elements ---- */

/* Sun */
.sun {
  position: absolute;
  top: 20px;
  right: 50px;
  width: 300px; /* bigger sun */
  height: 300px;
  background: radial-gradient(circle, rgba(255,255,200,0.9), rgba(255,255,200,0));
  border-radius: 50%;
  animation: glowSun 10s ease-in-out infinite alternate;
  z-index: 1;
}

/* Clouds wrapper */
.cloud {
  position: absolute;
  animation: floatClouds 60s linear infinite;
  z-index: 2;
}

/* Each cloud ellipse */
.cloud .ellipse {
  position: absolute;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
}

/* Floating clouds animation */
@keyframes floatClouds {
  0%   { transform: translateX(-800px); }
  100% { transform: translateX(120vw); }
}

/* Bubbles */
.bubble {
  position: absolute;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  animation: riseBubbles 30s linear infinite;
  z-index: 1;
}

@keyframes riseBubbles {
  0%   { transform: translateY(100vh) scale(0.5); opacity: 0.4; }
  100% { transform: translateY(-200px) scale(1.2); opacity: 0; }
}

/* Sun glow */
@keyframes glowSun {
  from { transform: scale(1); opacity: 0.8; }
  to   { transform: scale(1.1); opacity: 1; }
}

/* Header with animated gradient */
@keyframes headerGradient {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.site-header {
  background: linear-gradient(270deg, #f0f8ff, #e6f2ff, #d9f0ff, #f0f8ff);
  background-size: 800% 800%;
  animation: headerGradient 30s ease infinite;
  padding: 1em;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  position: relative;
  z-index: 10;
}

.site-header .logo {
  height: 140px;
  margin-right: 0.5em;
  transition: height 0.3s ease;
}

.site-header .brand {
  display: flex;
  align-items: center;
}

/* Navigation */
.nav a {
  margin: 0 0.8em;
  text-decoration: none;
  color: #666;           /* gray by default */
  font-weight: bold;
  transition: color 0.3s;
}
.nav a.active {
  color: #004080;        /* dark blue for active page */
  border-bottom: 3px solid #004080;
}
.nav a:hover {
  color: #33aaff;        /* light blue hover */
}

/* Container */
.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 2em;
  position: relative;
  z-index: 5;
}

/* Block style */
.block {
  background: rgba(255, 255, 255, 0.85);
  border-radius: 16px;
  padding: 2em;
  margin: 2em 0;
  box-shadow: 0 6px 15px rgba(0,0,0,0.1);
}
.hero {
  text-align: center;
}

.wind, .nergy {
  color: lightgreen;
  font-weight: bold;
}

.ai {
  color: orange;
  font-weight: bold;
}

/* Headings */
h1 {
  font-size: 2.4rem;
  margin-bottom: 0.5em;
}
h2 {
  font-size: 2.2rem;
  margin-bottom: 0.5em;
}
h3 {
  font-size: 2rem;
  margin-bottom: 0.5em;
}

/* Lists */
ul {
  list-style: disc inside;
  margin-left: 1em;
}

/* Forms */
.contact-form label {
  display: block;
  margin-top: 1em;
  margin-bottom: 0.3em;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.6em;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 1em;
}
.contact-form textarea {
  min-height: 120px;
}
.form-actions {
  margin-top: 1em;
  text-align: center;
}

/* Buttons */
.btn {
  background: linear-gradient(45deg, #2299bb, #44ccff);
  color: #fff;
  border: none;
  padding: 0.8em 1.5em;
  font-size: 2rem; /* same as main text */
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  margin: 0.3em;
  display: inline-block;
  transition: all 0.5s ease;
}
.btn:hover {
  background: linear-gradient(45deg, #44ccff, #a0e5ff);
  color: #fff;
}

/* Honeypot (hidden) */
.hp {
  display: none;
}

/* Footer */
.site-footer {
  text-align: center;
  padding: 1em;
  font-size: 0.9rem; /* smaller */
  color: #555;
  background: rgba(255,255,255,0.9);
  margin-top: 2em;
  position: relative;
  z-index: 10;
}

/* -------------------- Mobile responsiveness -------------------- */
@media (max-width: 768px) {
  body {
    font-size: 1.2rem;
  }

  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.6rem; }
  h3 { font-size: 1.4rem; }

  .site-header .logo {
    height: 80px; /* smaller logo */
  }

  .nav a {
    font-size: 1rem;
    margin: 0 0.5em;
  }

  .contact-form input,
  .contact-form textarea {
    font-size: 1rem;
  }

  .btn {
    font-size: 1.2rem;
    padding: 0.6em 1em;
  }

  .block {
    padding: 1em;
    margin: 1em 0;
  }

  .container {
    padding: 1em;
  }
}