/* ==================== ROOT VARIABLES ==================== */
:root {
  --primary: #0A1931;
  --secondary: #1A3D63;
  --accent: #4A7FA7;
  --light-bg: #F6FAFD;
  --gradient-light: #B3CFE5;
}

/* ==================== GLOBAL STYLES ==================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "PlusJakartaSans", sans-serif;
}

body {
  background: linear-gradient(to bottom, var(--light-bg), var(--gradient-light) 50%, var(--light-bg) 100%);
  color: var(--primary);
  line-height: 1.6;
}

section {
  padding: 60px 10%;
  text-align: center;
  background: transparent;
}

h2 {
  margin-bottom: 30px;
  color: var(--secondary);
}

h3 {
  margin-bottom: 20px;
  color: var(--secondary);
}

/* ==================== NAVBAR ==================== */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--primary);
  padding: 15px 10%;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar .logo a {
  color: var(--light-bg);
  font-size: 1.5rem;
  font-weight: bold;
  text-decoration: none;
}

.navbar .nav-links {
  display: flex;
  gap: 25px;
}

.navbar .nav-links a {
  color: var(--light-bg);
  text-decoration: none;
  font-size: 1rem;
  transition: color 0.3s;
}

.navbar .nav-links a:hover {
  color: var(--accent);
}

.navbar .menu-toggle {
  display: none;
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--light-bg);
}

/* ==================== BANNER ==================== */
.banner {
  background: url('banner.PNG') no-repeat center center/cover;
  height: 80vh;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  padding-bottom: 20px;
  position: relative;
}

.program-detail {
  background: #fff;
  border-radius: 12px;
  padding: 20px;
  margin: 20px 0;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.program-detail h3 {
  margin-bottom: 12px;
  color: var(--primary, #0A1931);
}

.program-detail ul {
  list-style: disc;
  padding-left: 20px;
}

/* ==================== PROGRAM DETAIL ==================== */
.program-detail-page {
  width: 100%;
}

.program-detail-page .program-detail p {
  max-width: 700px;
  margin: 0 auto;
  font-size: 1rem;
  color: var(--primary);
}

/* ==================== SPACING SUPER COMPACT ==================== */
.program-detail-page .program-detail {
  margin-bottom: 0px; /* rapat ke timeline pertama */
}

.program-detail-page .alur-timeline:first-of-type {
  margin-top: 0px; /* hilangkan jarak atas */
}

.alur-timeline h3.timeline-title {
  margin-top: 5px;
  margin-bottom: 8px; /* rapat ke content */
  font-size: 1.05rem; /* masih readable */
}

/* ==================== TIMELINE ==================== */
.alur-timeline .timeline {
  display: flex;
  flex-direction: column;
  gap: 10px; /* lebih rapat */
}

.timeline-item {
  display: flex;
  justify-content: center;
  gap: 20px;
  align-items: flex-start;
}

.timeline-item .circle {
  min-width: 40px;
  min-height: 40px;
  background: var(--secondary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.timeline-item .content {
  text-align: left;
  max-width: 500px;
  background: white;
  padding: 12px 15px; /* lebih compact */
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(10,25,49,0.1);
  font-size: 0.95rem; /* ringkas */
}

.timeline-item .content h4 {
  margin-bottom: 10px;
  color: var(--secondary);
}

.timeline-item .content ul,
.timeline-item .content ol {
  margin-left: 15px;
  line-height: 1.5;
  color: var(--primary);
}

/* ==================== GALERI HORIZONTAL ==================== */
.galeri .cards {
  display: flex;
  flex-wrap: nowrap;
  gap: 15px;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  padding-bottom: 10px;
}

.galeri .cards::-webkit-scrollbar {
  height: 10px;
}

.galeri .cards::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 5px;
}

.galeri .cards::-webkit-scrollbar-track {
  background: transparent;
  border-radius: 5px;
}

.galeri .cards .card {
  flex: 0 0 auto;
  width: 400px;
  border-radius: 12px;
  overflow: hidden;
  background: none;
  scroll-snap-align: start;
  margin-top: 10px;
}

.galeri .cards .card img {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 0.3s ease;
  cursor: pointer;
}

.galeri .cards .card img:hover {
  transform: scale(1.05);
}

/* ==================== LIGHTBOX ==================== */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.8);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 2000;
}

.lightbox-img {
  max-width: 90%;
  max-height: 90%;
  border-radius: 10px;
}

.lightbox .close {
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 2rem;
  color: white;
  cursor: pointer;
}

/* ==================== TOMBOL FORMULIR ==================== */
.btn-primary-section {
  display: flex;
  justify-content: center;
  padding: 30px 0; /* lebih rapat */
  border-radius: 14px;
  background: transparent;
}

.btn-primary-section .btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  color: white;
  padding: 14px 28px;
  border-radius: 12px;
  text-decoration: none;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.3s;
}

.btn-primary-section .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(0,0,0,0.2);
}

/* ==================== WHATSAPP FLOATING ==================== */
.whatsapp-chat {
  position: fixed;
  bottom: 25px;
  right: 25px;
  width: 60px;
  height: 60px;
  z-index: 1000;
}

.whatsapp-chat img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* ==================== FOOTER ==================== */
footer {
  background: var(--primary);
  color: white;
  text-align: center;
  padding: 20px;
}

/* ==================== CARD DI HALAMAN PROGRAM DETAIL ==================== */
.program-detail-page .card {
  background: white;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(10,25,49,0.1);
  margin: 20px auto;
  max-width: 700px;
  text-align: left;
}

.program-detail-page .card h3 {
  color: var(--secondary);
  margin-bottom: 10px;
}

.program-detail-page .card p,
.program-detail-page .card ul,
.program-detail-page .card ol {
  color: var(--primary);
  line-height: 1.6;
}

.program-detail-page .card ul,
.program-detail-page .card ol {
  margin-left: 20px;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
  .timeline-item {
    flex-direction: column;
    gap: 10px;
  }

  .galeri .cards .card {
    width: 300px;
  }
}

@media (max-width: 768px) {
  section {
    padding: 40px 5%;
  }

  .alur-timeline h3.timeline-title {
    margin-top: 10px;
    margin-bottom: 6px;
  }

  .galeri .cards {
    gap: 10px;
  }

  .galeri .cards .card {
    width: 80%;
  }

  .btn-primary-section .btn-primary {
    width: 100%;
    padding: 12px 20px;
  }

  .navbar .nav-links {
    display: none;
    flex-direction: column;
    gap: 15px;
    background: var(--primary);
    position: absolute;
    top: 60px;
    right: 10%;
    padding: 10px 20px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  }

  .navbar .nav-links.active {
    display: flex;
  }

  .navbar .menu-toggle {
    display: block;
  }
}

@media (max-width: 480px) {
  .galeri .cards .card {
    width: 90%;
  }
}