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

body {
  min-height: 100vh;
  background: radial-gradient(circle at center, #22c55e 0%, #4ade80 20%, #f8fafc 60%);
  color: #111;
}

/* NAVBAR */
.navbar {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 40px;
  flex-wrap: wrap; /* 🔥 important */
}

/* LEFT */
.left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-img {
  height: 40px;
  width: auto;
}

/* MENU */
.menu {
  display: flex;
  gap: 30px;
}

.menu a {
  text-decoration: none;
  font-size: 16px;
  font-weight: 600;
  color: #000;
  opacity: 0.7;
}

.menu a:hover {
  opacity: 1;
}

/* RIGHT */
.right {
  display: flex;
}

.contact-btn {
  padding: 8px 16px;
  background: #111;
  color: white;
  border-radius: 20px;
  text-decoration: none;
}

.contact-btn:hover {
  background: #22c55e;
}

/* MAIN */
.container {
  text-align: center;
  padding: 20px;
  max-width: 800px;
  margin: auto;
  margin-top: 120px;
}

.title {
  font-size: 48px;
  font-weight: bold;
  opacity: 0;
  transform: translateY(-60px);
  animation: dropIn 1s ease-out forwards;
}

.subtitle {
  font-size: 20px;
  margin-top: 10px;
}

.tagline {
  margin-top: 15px;
  opacity: 0.8;
}

/* COUNTDOWN */
.countdown {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin: 40px 0;
  flex-wrap: wrap; /* 🔥 mobile fix */
}

.countdown div {
  background: rgb(198, 212, 198);
  padding: 15px;
  border-radius: 10px;
  width: 80px;
  text-align: center;
}

.countdown span {
  font-size: 28px;
  font-weight: bold;
  display: block;
}

.countdown p {
  font-size: 12px;
  margin-top: 5px;
  opacity: 0.7;
}

/* BUTTON */
.btn {
  padding: 12px 25px;
  background: black;
  border: none;
  border-radius: 25px;
  color: white;
  font-weight: bold;
  cursor: pointer;
}

.btn:hover {
  background: #22c55e;
}

#msg {
  margin-top: 15px;
  color: darkgreen;
}

/* FOOTER */
.footer {
  margin-top: 60px;
  text-align: center;
  font-size: 13px;
  opacity: 0.8;
  padding-bottom: 20px;
}

/* ANIMATION */
@keyframes dropIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 🔥🔥 MOBILE RESPONSIVE */
@media (max-width: 768px) {

  .navbar {
    flex-direction: column;
    gap: 10px;
  }

  .menu {
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
  }

  .right {
    justify-content: center;
  }

  .title {
    font-size: 32px;
  }

  .subtitle {
    font-size: 16px;
  }

  .tagline {
    font-size: 14px;
  }

  .container {
    margin-top: 80px;
  }
}