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

/*Tokens*/
:root {
  --bg:      #f5f7f8;
  --line:    #e6ebee;
  --accent:  #1a73e8;
  --text:    #0f1720;
  --muted:   #5f6b76;
}

/*Base*/
html, body {
  height: 100%;
  overflow: hidden;
  font-family: Inter, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

img {
  user-select: none;
  -webkit-user-select: none;
  -webkit-user-drag: none;
  pointer-events: none;
}

/*Nav*/
nav {
  position: fixed;
  top: 12px;
  left: 12px;
  right: 12px;
  z-index: 100;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 10px 35px rgba(0, 0, 0, .06);
}

.nav-logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--text);
  line-height: 1;
}

.brand      { font-size: 1.2rem; letter-spacing: -.02em; font-weight: 500;}
.accent     { font-size: 1rem; color: var(--accent); font-weight: 600; }
.tagline    { font-size: .78rem; margin-top: 2px; opacity: .65; letter-spacing: .3px; }

.nav-cta {
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  padding: 10px 20px;
  border-radius: 14px;
  font-size: .9rem;
  font-weight: 600;
  box-shadow: 0 6px 20px rgba(26, 115, 232, .25);
  transition: opacity .2s, transform .2s;
}
.nav-cta:hover { opacity: .9; transform: translateY(-2px); }

/*Hero*/
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 24px;
  overflow: hidden;
  background: radial-gradient(circle at top, rgba(26, 115, 232, .10), transparent 55%);
}

.hero h1 {
  font-family: Inter, sans-serif;
  font-size: clamp(2rem, 6vw, 5rem);
  font-weight: 600;
  letter-spacing: -.04em;
  line-height: .92;
  margin-bottom: 24px;
}

.hero p {
  max-width: 600px;
  margin: 0 auto 32px;
  font-size: 1.15rem;
  color: var(--muted);
}

.partners {
  display: inline-block;
  margin: 0 8px;
  opacity: .7;
}

/*Footer*/
footer.footer-main {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  width: calc(100% - 48px);
  max-width: 1080px;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(20px);
  border: 1px solid var(--line);
  box-shadow: 0 4px 24px rgba(0,0,0,.07);
  border-radius: 18px;
}
 
.footer-bottom {
  padding: 13px 24px;
  display: flex;
  align-items: center;
  font-size: .8rem;
}
 
.footer-copy {
  color: var(--muted);
  white-space: nowrap;
}
 
.sep {
  width: 1px;
  height: 13px;
  background: var(--line);
  margin: 0 18px;
  flex-shrink: 0;
}
 
.footer-mail a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  white-space: nowrap;
  transition: opacity .2s;
}
.footer-mail a:hover { opacity: .7; }
 
.link {
  display: flex;
  gap: 18px;
  margin-left: auto;
}
 
.link a {
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s;
}
.link a:hover { color: var(--text); }

/*Fade-up*/
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}



/* Waves */
.hero-waves {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  line-height: 0;
  z-index: 1;
}

.waves {
  width: 100%;
  height: 200px;
}

.parallax use {
  animation: move-forever 25s cubic-bezier(.55,.5,.45,.5) infinite;
}

.parallax use:nth-child(1) {
  animation-delay: -2s;
  animation-duration: 7s;
}

.parallax use:nth-child(2) {
  animation-delay: -3s;
  animation-duration: 10s;
}

.parallax use:nth-child(3) {
  animation-delay: -4s;
  animation-duration: 13s;
}

.parallax use:nth-child(4) {
  animation-delay: -5s;
  animation-duration: 20s;
}

/*Responsive*/
@media (max-width: 700px) {
  footer.footer-main { bottom: 10px; width: calc(100% - 24px); border-radius: 14px; }
  .footer-bottom     { padding: 12px 16px; flex-wrap: wrap; gap: 10px; font-size: .75rem; }
  .hero p        { font-size: 1rem; }
  .partners    { transform: scale(0.7); }
  .link       { margin-left: 0; gap: 12px; flex-wrap: wrap; }
  .sep        {margin: 0 5px;}
  .waves      {height: 350px;}
}

@keyframes move-forever {
  0% {
    transform: translate3d(-90px, 0, 0);
  }
  100% {
    transform: translate3d(85px, 0, 0);
  }
}