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

:root {
  --bg-dark: #0b0d11;
  --text-light: #f5f5f5;
  --accent: #3b82f6;
  --accent-gradient: linear-gradient(90deg, #3b82f6, #8b5cf6);
  --glass-bg: rgba(255,255,255,0.05);
  --glass-border: rgba(255,255,255,0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  transition: all 0.25s ease;
}

html, body {
  height: 100%;
  font-family: 'Poppins', sans-serif;
  background: var(--bg-dark);
  color: var(--text-light);
  scroll-behavior: smooth;
}


/* ========== HERO SECTION ========== */

.container {
  max-width: 700px;
  margin: 0 auto;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  border-radius: 20px;
  padding: 5px 30px 30px;
}

/* ========== BRAND HEADER (LOGO DI ATAS HERO) ========== */
.brand-header {
  text-align: center;
  margin-top: 0px;
  margin-bottom: 30px;
}

.brand-header .logo {
  width: 300px; /* sesuaikan ukuran logo */
  display: inline-block;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.brand-header .logo:hover {
  transform: scale(1.05);
  opacity: 0.9;
}

.hero {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  padding: 20px 20px;
  padding: 20px 20px 10px;
  border-radius: 20px;
  transition: transform 0.3s ease;
}

.hero:hover {
  transform: scale(1.01);
}

.hero h1 {
  font-size: 1.9rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 0.3px;
  line-height: 1.3;
  text-transform: none;
}

.hero p {
  font-size: 1.05rem;
  opacity: 0.9;
  margin-bottom: 30px;
}

.video-wrapper {
  position: relative;
  width: 100%;
  max-width: 400px; /* ?? Lebar maksimum kecil, tampil seperti preview HP */
  max-height: 600px; /* ?? Batasi tinggi maksimum */
  aspect-ratio: 9 / 16;
  border-radius: 16px;
  overflow: hidden;
  margin: 0 auto 30px;
  border: 1px solid var(--glass-border);
  background: #000;
  box-shadow: 0 0 25px rgba(0, 0, 0, 0.4);
}

.video-wrapper video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 12px;
}

@media (max-width: 1024px) {
  .video-wrapper {
    max-width: 300px;
    max-height: 550px;
  }
}

@media (max-width: 768px) {
  .video-wrapper {
    max-width: 100%;
    max-height: 100%;
  }
}

@media (max-width: 480px) {
  .video-wrapper {
    max-width: 100%;
    max-height: none; /* biar penuh di HP */
  }
}

.cta-btn {
  display: inline-block;
  background: var(--accent-gradient);
  color: #fff;
  font-weight: 600;
  margin-top:20px;
  padding: 20px 36px;
  border-radius: 50px;
  text-decoration: none;
  transition: all 2s ease;
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.4);
}

.cta-btn:hover {
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.6);
  transform: translateY(-3px);
}

.cta-btn.large {
  padding: 10px 25px;
  font-size: 1.1rem;
}

.cta-btn:active {
  transform: scale(0.97);
  box-shadow: 0 0 8px rgba(59,130,246,0.5);
}

/* ========== GLASS EFFECT ========== */
.glass {
  background: transparent;
  border: none;
  box-shadow: none;
  backdrop-filter: none;
}

/* ========== SECTIONS ========== */
.section {
  max-width: 700px;
  margin: 5px auto;
  padding: 15px 10px;
  border-radius: 18px;
  text-align: center;
  transition: all 0.4s ease;
}

.section h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 18px;
  color: #e5e7eb;
}

.section p {
  margin-top: 12px;
  line-height: 1.8; /* buat teks lebih lega dan mudah dibaca */
  color: rgba(255, 255, 255, 0.88);
  font-weight: 400;
  letter-spacing: 0.2px;
}

.section p + p {
  margin-top: 18px;
}

.section p strong {
  color: #f9fafb;
}

.section p em {
  color: #93c5fd;
  font-style: normal;
  font-weight: 500;
}

.preview-img {
  width: 100%;
  max-width: 660px;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  margin: 30px auto;
  display: block;
}

.highlight-box {
  margin: 10px auto;
  padding: 10px 20px;
  background: rgba(255,255,255,0.08);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  max-width: 650px;
  font-size: 0.95rem;
  line-height: 1.6;
}

.fa-solid {
  color: var(--accent);
  margin-right: 6px;
  font-size: 1.05em;
}

.section i.fa-solid {
  color: #3b82f6; /* warna biru lembut sesuai tema KirimDulu */
}

.section h2 i.fa-solid {
  color: var(--accent);
  font-size: 1.3em; /* sedikit lebih besar dari teks */
  margin-right: 10px; /* beri jarak agar tidak menempel */
  vertical-align: middle; /* sejajarkan dengan teks */
  transition: transform 0.3s ease, color 0.3s ease;
}

/* Efek hover halus untuk heading */
.section h2:hover i.fa-solid {
  transform: scale(1.15);
  color: #60a5fa; /* biru lebih terang saat hover */
}

.section p i.fa-solid {
  width: 20px;
  text-align: center;
}

/* Hover subtle lift */
.section:hover {
  transform: translateY(-5px);
}


/* ========== FOOTER ========== */
footer {
  text-align: center;
  padding: 40px 10px;
  font-size: 0.9rem;
  opacity: 0.7;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .brand-header {
    margin-top: 0;
    margin-bottom: 0;
    text-align: center;
  }

  .brand-header .logo {
    width: 180px;
 }


  .hero, .section {
    margin: 5px 1px 20px;
    padding: 5px 1px 20px;
  }

  .hero h1 {
    font-size: 2rem;
    margin-bottom: 30px;
  }

  .section h2 {
    font-size: 1.4rem;
  }

  .cta-btn.large {
    width: 100%;
  }

  .section p { font-size: 1rem; line-height: 1.7; }
}

/* Tablet (= 992px) */
@media (max-width: 992px) {
  .cta-btn.large {
    padding: 14px 36px;
    font-size: 1rem;
  }
}

/* Mobile (= 600px) */
@media (max-width: 600px) {
  .cta-btn {
    display: block;
    width: 100%;
    max-width: 320px;
    margin: 25px auto 0 auto;
    padding: 14px 24px;
    font-size: 1rem;
    border-radius: 40px;
  }

  .cta-btn.large {
    padding: 16px 28px;
    font-size: 1rem;
  }

  .cta-btn.pulse-btn {
    animation: softGlowMobile 3s infinite ease-in-out;
  }

  @keyframes softGlowMobile {
    0%, 100% {
      box-shadow: 0 0 12px rgba(139, 92, 246, 0.5),
                  0 0 25px rgba(59, 130, 246, 0.4);
    }
    50% {
      box-shadow: 0 0 18px rgba(139, 92, 246, 0.8),
                  0 0 30px rgba(59, 130, 246, 0.6);
    }
  }
}

/*===============Batas============== */

/* Fade-in animation for smooth appearance */
.fade-in {
  opacity: 0;
  transform: translateY(15px);
  animation: fadeInUp 1s ease forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========== tambahan ========== */

.icon-green {
  color: #22c55e; /* hijau terang */
  font-size: 1.3em;
  margin-right: 8px;
  vertical-align: middle;
}

.highlight-box i.fa-lightbulb {
  color: #facc15; /* kuning terang */
  text-shadow: 0 0 12px rgba(250, 204, 21, 0.8),
               0 0 24px rgba(250, 204, 21, 0.6);
  font-size: 1.4em;
  margin-right: 10px;
  vertical-align: middle;
}

.highlight-box i.fa-lightbulb {
  color: #facc15;
  text-shadow: 0 0 10px rgba(250, 204, 21, 0.7);
  font-size: 1.4em;
  margin-right: 10px;
  vertical-align: middle;
  animation: pulseGlow 2s infinite ease-in-out;
}

@keyframes pulseGlow {
  0%, 100% {
    text-shadow: 0 0 10px rgba(250, 204, 21, 0.6),
                 0 0 20px rgba(250, 204, 21, 0.4);
    color: #facc15;
  }
  50% {
    text-shadow: 0 0 20px rgba(255, 255, 120, 0.9),
                 0 0 40px rgba(255, 255, 180, 0.7);
    color: #fffbea;
  }
}

.pulse-btn {
  animation: blinkGlow 1s infinite;
}

@keyframes blinkGlow {
  0%, 50%, 100% {
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.5),
                0 0 25px rgba(139, 92, 246, 0.6);
    filter: brightness(1);
  }
  25%, 75% {
    box-shadow: 0 0 30px rgba(139, 92, 246, 1),
                0 0 50px rgba(59, 130, 246, 0.9);
    filter: brightness(1.3);
  }
}

/* ========== TEXT ENHANCEMENT (Depth & Clarity) ========== */
h1, h2, h3 {
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}

p, li {
  text-shadow: 0 0 1px rgba(0, 0, 0, 0.3);
}