/* RESET */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  max-width: 100%;
  overflow-x: hidden;
  font-family: 'Segoe UI', sans-serif;
  color: white;
  background: radial-gradient(circle at top, #1a1a2e, #0f0f1a);
  scroll-behavior: smooth;
}

/* CONTAINER */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* NAVBAR */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: rgba(15,15,26,0.6);
  z-index: 100;
  width: 100%;
}

.navbar h2 {
  margin: 0;
}

/* HERO */
.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 80px 0;
  gap: 40px;
}

.hero-text {
  max-width: 520px;
}

.hero-text h1 {
  font-size: 2.8rem;
  line-height: 1.3;
}

.hero-text span {
  color: #4cc9f0;
}

.hero-text .feel {
  color: #ff6b6b;
}

.hero-text p {
  opacity: 0.8;
  margin: 20px 0;
  line-height: 1.6;
}

/* BUTTONS */
.btn {
  background: linear-gradient(45deg, #4cc9f0, #ff6b6b);
  border: none;
  padding: 12px 20px;
  color: white;
  border-radius: 10px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: 0.3s;
}

.btn-outline {
  border: 1px solid white;
  background: transparent;
  color: white;
  padding: 12px 20px;
  border-radius: 10px;
  margin-left: 10px;
}

/* HANYA BUTTON DI HERO YANG FULL */
.buttons .btn,
.buttons .btn-outline {
  width: 100%;
}

/* NAVBAR BUTTON FIX */
.navbar .btn {
  width: auto;
  flex-shrink: 0;
}

/* HERO IMAGE */
.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image img {
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

/* FLOATING LOGO */
.floating {
  width: 260px;
  animation: float 4s ease-in-out infinite, glow 3s ease-in-out infinite;
}

@keyframes float {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

@keyframes glow {
  0%,100% { filter: drop-shadow(0 0 10px rgba(76,201,240,0.4)); }
  50% { filter: drop-shadow(0 0 25px rgba(255,107,107,0.6)); }
}

/* ABOUT */
.about {
  text-align: center;
  padding: 60px 0;
  max-width: 700px;
  margin: auto;
}

/* CARDS */
.cards {
  display: flex;
  justify-content: center;
  gap: 20px;
  padding: 40px 0;
  flex-wrap: wrap;
}

.card {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(10px);
  padding: 20px;
  border-radius: 20px;
  width: 240px;
  text-align: center;
  transition: 0.3s;
}

.card:hover {
  transform: translateY(-10px) scale(1.03);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

/* PROCESS */
.process {
  text-align: center;
  padding: 60px 0;
}

.steps {
  display: flex;
  gap: 20px;
  margin-top: 30px;
  flex-wrap: wrap;
  justify-content: center;
}

.step {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(10px);
  padding: 20px;
  border-radius: 20px;
  width: 220px;
  transition: 0.3s;
}

.step:hover {
  transform: translateY(-10px);
}

/* TARGET */
.target {
  padding: 60px 0;
  text-align: center;
}

.target ul {
  list-style: none;
  padding: 0;
  max-width: 700px;
  margin: 20px auto;
}

.target li {
  background: rgba(255,255,255,0.05);
  margin: 10px 0;
  padding: 15px;
  border-radius: 12px;
  transition: 0.3s;
}

.target li:hover {
  transform: scale(1.02);
}

/* CASE STUDY */
.case-study {
  padding: 60px 0;
  text-align: center;
}

.case {
  max-width: 700px;
  margin: auto;
  background: rgba(255,255,255,0.05);
  padding: 25px;
  border-radius: 20px;
  text-align: left;
  line-height: 1.6;
}

/* CTA */
.cta {
  text-align: center;
  padding: 80px 20px;
  margin-top: 40px;
  background: linear-gradient(45deg, rgba(76,201,240,0.1), rgba(255,107,107,0.1));
  border-radius: 20px;
}

.cta h2 {
  font-size: 2rem;
}

.cta p {
  opacity: 0.8;
  margin: 15px 0 25px;
}

/* FOOTER */
footer {
  text-align: center;
  padding: 30px 0;
  opacity: 0.5;
}

/* SCROLL ANIMATION */
.hidden {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s ease;
}

.show {
  opacity: 1;
  transform: translateY(0);
}

/* BACKGROUND ANIMATION */
body::before {
  content: "";
  position: fixed;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(circle at 30% 30%, rgba(76,201,240,0.15), transparent),
    radial-gradient(circle at 70% 70%, rgba(255,107,107,0.15), transparent);
  animation: moveBg 15s linear infinite;
  z-index: -1;
}

@keyframes moveBg {
  0% { transform: translate(0,0); }
  50% { transform: translate(-10%, -10%); }
  100% { transform: translate(0,0); }
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .hero {
    flex-direction: column;
    text-align: center;
  }

  .floating {
    width: 220px;
  }
}

@media (max-width: 768px) {

  .navbar {
    padding: 12px 0;
  }

  .navbar h2 {
    font-size: 1.1rem;
    white-space: nowrap;
  }

  .navbar .btn {
    font-size: 0.75rem;
    padding: 8px 12px;
  }

  .hero {
    padding: 40px 0;
  }

  .hero-text h1 {
    font-size: 2rem;
  }

  .hero-text p {
    font-size: 0.9rem;
  }

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

  .floating {
    width: 180px;
  }

  .cards {
    flex-direction: column;
    align-items: center;
  }

  .card {
    width: 100%;
    max-width: 320px;
  }
}

@media (max-width: 480px) {
  .hero-text h1 {
    font-size: 1.6rem;
  }

  .floating {
    width: 150px;
  }
}