/* Reset dan Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Inter", sans-serif;
  line-height: 1.6;
  color: #333;
  overflow-x: hidden;
}

/* Color Variables */
:root {
  --emerald-50: #ecfdf5;
  --emerald-100: #d1fae5;
  --emerald-500: #10b981;
  --emerald-600: #059669;
  --emerald-700: #047857;
  --emerald-800: #065f46;
  --emerald-900: #064e3b;
  --amber-400: #fbbf24;
  --amber-500: #f59e0b;
  --amber-600: #d97706;
  --amber-700: #b45309;
  --white: #ffffff;
  --gray-100: #f3f4f6;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(6, 78, 59, 0.95);
  backdrop-filter: blur(10px);
  padding: 1rem 0;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: var(--emerald-900);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  color: var(--white);
  font-size: 1.5rem;
  font-weight: 700;
  text-decoration: none;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  color: var(--white);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: var(--amber-400);
}

.btn-primary {
  background: linear-gradient(135deg, var(--amber-500), var(--amber-600));
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(245, 158, 11, 0.3);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--emerald-900), var(--emerald-800), var(--amber-700));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
  max-width: 800px;
  padding: 0 2rem;
}

.hero h1 {
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: 1rem;
  animation: fadeInUp 0.8s ease-out;
}

.hero h2 {
  font-size: 2rem;
  color: var(--amber-400);
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  line-height: 1.8;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero .btn-primary {
  font-size: 1.125rem;
  padding: 1rem 2rem;
  animation: fadeInUp 0.8s ease-out 0.6s both;
}

/* Sections */
.section {
  padding: 5rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--emerald-800);
  margin-bottom: 1rem;
}

.section-title .divider {
  width: 80px;
  height: 4px;
  background: linear-gradient(135deg, var(--emerald-500), var(--amber-500));
  margin: 0 auto 1rem;
  border-radius: 2px;
}

.section-title p {
  color: var(--gray-600);
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Background Variants */
.bg-light {
  background: linear-gradient(135deg, var(--emerald-50), var(--amber-50));
}

.bg-dark {
  background: var(--emerald-800);
  color: var(--white);
}

.bg-dark .section-title h2 {
  color: var(--white);
}

.bg-dark .section-title p {
  color: var(--emerald-100);
}

/* Grid System */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}
.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}
.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Cards */
.card {
  background: var(--white);
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card-content {
  padding: 1.5rem;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--emerald-800);
  margin-bottom: 0.5rem;
}

.card-subtitle {
  color: var(--amber-600);
  font-weight: 500;
  margin-bottom: 1rem;
}

.card-text {
  color: var(--gray-700);
  line-height: 1.6;
}

/* Profile Section */
.profile-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.profile-image {
  position: relative;
}

.profile-image::before {
  content: "";
  position: absolute;
  top: -1rem;
  left: -1rem;
  right: 1rem;
  bottom: 1rem;
  background: linear-gradient(135deg, var(--emerald-500), var(--amber-500));
  border-radius: 1rem;
  opacity: 0.2;
  z-index: -1;
}

.profile-image img {
  width: 100%;
  border-radius: 1rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* Slider */
.slider {
  position: relative;
  overflow: hidden;
  border-radius: 1rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.slider-container {
  display: flex;
  transition: transform 0.5s ease;
}

.slide {
  min-width: 100%;
  position: relative;
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.slider-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: var(--white);
  font-size: 1.5rem;
  padding: 1rem;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
}

.slider-nav:hover {
  background: rgba(255, 255, 255, 0.3);
}

.slider-nav.prev {
  left: 1rem;
}
.slider-nav.next {
  right: 1rem;
}

.slider-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.dot.active {
  background: var(--amber-400);
}

/* Testimonials */
.testimonial-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: 1rem;
  padding: 2rem;
  text-align: center;
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -1rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 4rem;
  color: var(--amber-500);
  font-weight: bold;
}

.testimonial-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 1rem;
  border: 4px solid var(--emerald-200);
}

/* Statistics */
.stat-card {
  background: linear-gradient(135deg, var(--emerald-600), var(--amber-600));
  color: var(--white);
  text-align: center;
  padding: 3rem 2rem;
  border-radius: 1rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.stat-number {
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1.25rem;
  font-weight: 500;
}

/* Why Section */
.why-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 1rem;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s ease;
}

.why-card:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-5px);
}

.why-icon {
  background: var(--amber-400);
  color: var(--emerald-900);
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 1.5rem;
}

/* Focus Areas */
.focus-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.focus-card {
  background: var(--white);
  border-radius: 1rem;
  padding: 1.5rem;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.focus-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.focus-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 1rem;
  color: var(--white);
}

/* Programs */
.program-card {
  background: var(--white);
  border-radius: 1rem;
  padding: 2rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.program-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
}

.program-icon {
  background: linear-gradient(135deg, var(--emerald-500), var(--amber-500));
  color: var(--white);
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 1.5rem;
}

.feature-list {
  list-style: none;
  margin-top: 1.5rem;
}

.feature-list li {
  display: flex;
  align-items: center;
  margin-bottom: 0.5rem;
  color: var(--gray-700);
}

.feature-list li::before {
  content: "✓";
  color: var(--emerald-500);
  font-weight: bold;
  margin-right: 0.5rem;
}

/* Registration Flow */
.flow-step {
  background: var(--white);
  border-radius: 1rem;
  padding: 2rem;
  text-align: center;
  position: relative;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.step-number {
  background: var(--emerald-600);
  color: var(--white);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  margin: 0 auto 1rem;
}

.step-icon {
  background: linear-gradient(135deg, var(--emerald-500), var(--amber-500));
  color: var(--white);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 1rem;
}

/* Footer */
.footer {
  background: var(--emerald-900);
  color: var(--white);
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-section h3 {
  color: var(--amber-400);
  margin-bottom: 1rem;
}

.footer-section p,
.footer-section a {
  color: var(--emerald-100);
  text-decoration: none;
  line-height: 1.8;
}

.footer-section a:hover {
  color: var(--amber-400);
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-link {
  background: var(--emerald-800);
  color: var(--white);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: var(--amber-500);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid var(--emerald-800);
  padding-top: 1rem;
  text-align: center;
  color: var(--emerald-200);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.8s ease-out;
}

/* Utilities */
.text-center {
  text-align: center;
}
.text-left {
  text-align: left;
}
.text-right {
  text-align: right;
}

.mb-1 {
  margin-bottom: 0.5rem;
}
.mb-2 {
  margin-bottom: 1rem;
}
.mb-3 {
  margin-bottom: 1.5rem;
}
.mb-4 {
  margin-bottom: 2rem;
}

.mt-1 {
  margin-top: 0.5rem;
}
.mt-2 {
  margin-top: 1rem;
}
.mt-3 {
  margin-top: 1.5rem;
}
.mt-4 {
  margin-top: 2rem;
}

.p-1 {
  padding: 0.5rem;
}
.p-2 {
  padding: 1rem;
}
.p-3 {
  padding: 1.5rem;
}
.p-4 {
  padding: 2rem;
}

.hidden {
  display: none;
}
.block {
  display: block;
}
.flex {
  display: flex;
}
.inline-block {
  display: inline-block;
}

.justify-center {
  justify-content: center;
}
.justify-between {
  justify-content: space-between;
}
.align-center {
  align-items: center;
}

.w-full {
  width: 100%;
}
.h-full {
  height: 100%;
}

.rounded {
  border-radius: 0.5rem;
}
.rounded-lg {
  border-radius: 1rem;
}
.rounded-full {
  border-radius: 50%;
}

.shadow {
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}
.shadow-lg {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}
.shadow-xl {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}