* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", system-ui, sans-serif;
}

body {
  height: 100vh;
  background: linear-gradient(135deg, #020617, #0f172a);
  color: #e5e7eb;
  overflow: hidden;
}

/* =========================
   PARTICLES
   ========================= */
#particles-js {
  position: fixed;
  inset: 0;
  z-index: 0;
}

/* =========================
   LANDING VIEW
   ========================= */
.landing-container {
  position: relative;
  z-index: 2;
  height: 100vh;
  width: 100vw;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.brand {
  background: linear-gradient(90deg, #3b82f6, #60a5fa);
  background-clip: text;              /* Firefox */
  -webkit-background-clip: text;      /* Chrome / Safari */
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.wave {
  display: inline-block;
  animation: wave 2s infinite;
  transform-origin: 70% 70%;
}

.subtitle {
  font-size: 1.2rem;
  color: #94a3b8;
  margin-bottom: 50px;
}

/* Buttons */
.button-row {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
  justify-content: center;
}

.card-btn {
  min-width: 300px;
  padding: 22px 28px;
  font-size: 1.2rem;
  font-weight: 600;
  color: white;
  border: none;
  border-radius: 16px;
  cursor: pointer;

  background: linear-gradient(145deg, #1e40af, #2563eb);
  box-shadow: 0 20px 40px rgba(0,0,0,0.45);
  transition: all 0.3s ease;
}

.card-btn:hover {
  transform: translateY(-8px) scale(1.04);
  box-shadow: 0 30px 60px rgba(0,0,0,0.6);
}






/* =========================
   ANIMATED BRAND GRADIENT
   ========================= */

.animated-gradient {
  background: linear-gradient(
    270deg,
    #3b82f6,
    #60a5fa,
    #22d3ee,
    #3b82f6
  );
  background-size: 600% 600%;

  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;

  animation: gradientFlow 8s ease infinite;
}

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













/* =========================
   SERVICE VIEW
   ========================= */
.service-view {
  position: fixed;
  inset: 0;
  z-index: 3;
  background: #020617;
}

.service-view iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Utility */
.hidden {
  display: none;
}

/* =========================
   ANIMATIONS
   ========================= */
@keyframes wave {
  0% { transform: rotate(0deg); }
  10% { transform: rotate(14deg); }
  20% { transform: rotate(-8deg); }
  30% { transform: rotate(14deg); }
  40% { transform: rotate(-4deg); }
  50% { transform: rotate(10deg); }
  60% { transform: rotate(0deg); }
  100% { transform: rotate(0deg); }
}


/* =========================
   BACK TO HOME BUTTON (TOP-LEFT)
   ========================= */
.back-home-btn {
  position: fixed;
  top: 14px;
  left: 16px;
  z-index: 9999;

  display: flex;
  align-items: center;
  gap: 6px;

  padding: 8px 14px;
  font-size: 0.9rem;
  font-weight: 600;
  color: white;

  background: linear-gradient(145deg, #1e40af, #2563eb);
  border: none;
  border-radius: 999px;
  cursor: pointer;

  box-shadow: 0 6px 18px rgba(0,0,0,0.35);
  transition: all 0.25s ease;
}

.back-home-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(0,0,0,0.5);
}

.back-home-btn {
  top: 60px; /* move below service header */
}

/* =========================
   MOVING HERO TITLE
   ========================= */

.moving-title {
  animation: floatTitle 6s ease-in-out infinite;
}
@keyframes floatTitle {
  0% {
    transform: translateY(0);
    opacity: 1;
  }
  50% {
    transform: translateY(-6px);
    opacity: 0.96;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}