/* Reset dan Variabel Warna */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

:root {
  --rme-orange: #ff7d00;
  --rme-blue: #4cc9f0;
  --rme-dark: #2b2d42;
  --rme-light: #f8f9fa;
  --rme-green: #2ec4b6;
  --rme-red: #e71d36;
  --rme-yellow: #ff9f1c;
}

body {
  background-color: #f5f7fa;
  color: #333;
  line-height: 1.7;
  scroll-behavior: smooth;
}

/* Header */
header {
  background: linear-gradient(135deg, var(--rme-orange), #ff5400);
  color: white;
  padding: 1rem 2rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 700;
}

.logo i {
  margin-right: 10px;
}

.nav-links {
  display: flex;
  list-style: none;
}

.nav-links li {
  margin-left: 2rem;
}

.nav-links a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  padding: 0.5rem 0;
  position: relative;
}

.nav-links a:hover {
  color: var(--rme-blue);
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--rme-blue);
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

/* Hero Tentang RME */
.about-hero {
  background: linear-gradient(
    135deg,
    rgba(255, 125, 0, 0.1),
    rgba(76, 201, 240, 0.2)
  );
  padding: 5rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.about-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("https://img.freepik.com/free-vector/hand-drawn-math-formula-pattern_23-2148156772.jpg")
    center/cover;
  opacity: 0.05;
  z-index: -1;
}

.about-hero h1 {
  font-size: 3.5rem;
  color: var(--rme-orange);
  margin-bottom: 1rem;
  animation: fadeInDown 1s ease;
}

.about-hero p {
  font-size: 1.2rem;
  color: var(--rme-dark);
  max-width: 800px;
  margin: 0 auto 2rem;
  animation: fadeInUp 1s ease;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* Container Utama */
.main-container {
  max-width: 1200px;
  margin: 3rem auto;
  padding: 0 2rem;
}

/* Tab Navigasi */
.tabs {
  display: flex;
  justify-content: center;
  margin-bottom: 3rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.tab-button {
  padding: 1rem 2rem;
  background: white;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
  color: var(--rme-dark);
  position: relative;
  overflow: hidden;
}

.tab-button::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background-color: var(--rme-orange);
  transition: width 0.3s ease;
}

.tab-button.active {
  background: var(--rme-orange);
  color: white;
}

.tab-button.active::before {
  width: 100%;
}

.tab-button:hover:not(.active) {
  background: #f0f0f0;
}

.tab-content {
  display: none;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.tab-content.active {
  display: block;
}

/* Konten Tentang RME */
.about-section {
  background: white;
  border-radius: 15px;
  padding: 3rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  margin-bottom: 3rem;
}

.section-title {
  color: var(--rme-orange);
  font-size: 2.5rem;
  margin-bottom: 2rem;
  text-align: center;
  position: relative;
  padding-bottom: 1rem;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: linear-gradient(to right, var(--rme-orange), var(--rme-blue));
  border-radius: 2px;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-text h2 {
  color: var(--rme-blue);
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
}

.about-text p {
  margin-bottom: 1.5rem;
  color: #555;
}

.about-image {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

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

.about-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* Karakteristik RME */
.features-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  background: white;
  border-radius: 10px;
  padding: 2rem;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  border-top: 4px solid transparent;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
  border-top-color: var(--rme-orange);
}

.feature-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(
    135deg,
    rgba(255, 125, 0, 0.1),
    rgba(76, 201, 240, 0.2)
  );
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--rme-orange);
  font-size: 1.8rem;
}

.feature-card h3 {
  color: var(--rme-blue);
  margin-bottom: 1rem;
}

.feature-card p {
  color: #666;
}

/* Timeline RME */
.timeline {
  position: relative;
  max-width: 1000px;
  margin: 3rem auto;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--rme-orange), var(--rme-blue));
}

.timeline-item {
  padding: 20px 40px;
  position: relative;
  width: 50%;
  box-sizing: border-box;
  margin-bottom: 2rem;
}

.timeline-item:nth-child(odd) {
  left: 0;
}

.timeline-item:nth-child(even) {
  left: 50%;
}

.timeline-content {
  padding: 2rem;
  background: white;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  position: relative;
}

.timeline-content::before {
  content: "";
  position: absolute;
  top: 30px;
  right: -15px;
  width: 0;
  height: 0;
  border-top: 15px solid transparent;
  border-bottom: 15px solid transparent;
  border-left: 15px solid white;
}

.timeline-item:nth-child(even) .timeline-content::before {
  left: -15px;
  border-left: none;
  border-right: 15px solid white;
}

.timeline-date {
  color: var(--rme-orange);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.timeline-title {
  color: var(--rme-blue);
  margin-bottom: 1rem;
}

.timeline-dot {
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--rme-orange);
  top: 30px;
  right: -10px;
  z-index: 1;
}

.timeline-item:nth-child(even) .timeline-dot {
  left: -10px;
}

/* Interaktif FAQ */
.faq-container {
  max-width: 800px;
  margin: 3rem auto;
}

.faq-item {
  background: white;
  border-radius: 10px;
  margin-bottom: 1rem;
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.05);
  overflow: hidden;
}

.faq-question {
  padding: 1.5rem;
  background: linear-gradient(to right, rgba(255, 125, 0, 0.1), white);
  color: var(--rme-dark);
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s ease;
}

.faq-question:hover {
  background: linear-gradient(to right, rgba(255, 125, 0, 0.2), white);
}

.faq-question i {
  transition: transform 0.3s ease;
}

.faq-answer {
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-question {
  background: linear-gradient(
    to right,
    var(--rme-orange),
    rgba(255, 125, 0, 0.2)
  );
  color: white;
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 1.5rem;
  padding-top: 0;
}

/* Footer */
footer {
  background: linear-gradient(to right, var(--rme-dark), #1a1a2e);
  color: white;
  padding: 3rem 2rem 1rem;
  margin-top: 5rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-column h3 {
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 10px;
}

.footer-column h3::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 2px;
  background-color: var(--rme-blue);
}

.footer-column p {
  margin-bottom: 1rem;
  color: #adb5bd;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.8rem;
}

.footer-links a {
  color: #adb5bd;
  text-decoration: none;
  transition: all 0.3s ease;
}

.footer-links a:hover {
  color: var(--rme-blue);
  padding-left: 5px;
}

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

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: white;
  transition: all 0.3s ease;
}

.social-links a:hover {
  background-color: var(--rme-orange);
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #adb5bd;
  font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .about-content {
    grid-template-columns: 1fr;
  }

  .about-image {
    margin-top: 2rem;
  }

  .timeline::before {
    left: 31px;
  }

  .timeline-item {
    width: 100%;
    padding-left: 70px;
    padding-right: 25px;
  }

  .timeline-item:nth-child(even) {
    left: 0;
  }

  .timeline-content::before {
    left: -15px;
    border-left: none;
    border-right: 15px solid white;
  }

  .timeline-dot {
    left: 21px;
  }

  .nav-links {
    display: none;
  }

  .about-hero h1 {
    font-size: 2.5rem;
  }

  .section-title {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .tabs {
    flex-direction: column;
    align-items: center;
  }

  .tab-button {
    width: 100%;
    text-align: center;
  }

  .about-section {
    padding: 2rem 1rem;
  }

  .feature-card {
    padding: 1.5rem;
  }
}
/* Existing navbar styles */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
}

.nav-links {
  display: flex;
  list-style: none;
  align-items: center;
}

.nav-links li {
  margin-left: 2rem;
  position: relative;
}

.nav-links a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  padding: 0.5rem 0;
  position: relative;
}

/* Dropdown styles - CHANGED TO SOLID ORANGE */
.dropdown-content {
  display: none;
  position: absolute;
  background-color: var(--rme-orange); /* Changed to solid orange */
  min-width: 160px;
  box-shadow: 0px 8px 16px rgba(0, 0, 0, 0.2);
  border-radius: 5px;
  z-index: 1;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
}

.dropdown-content a {
  color: white; /* Changed text color to white */
  padding: 12px 16px;
  display: block;
  text-align: center;
  transition: background-color 0.3s ease;
}

.dropdown-content a:hover {
  background-color: rgba(
    255,
    255,
    255,
    0.2
  ); /* Slightly lighter orange on hover */
}

.dropdown:hover .dropdown-content {
  display: block;
}

.dropdown-toggle i {
  margin-left: 5px;
  font-size: 0.8em;
  transition: transform 0.3s ease;
}

.dropdown:hover .dropdown-toggle i {
  transform: rotate(180deg);
}

/* Hide mobile menu button on desktop */
.mobile-menu-btn {
  display: none;
}

/* Responsive styles */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
  }

  /* Show menu when active */
  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--rme-orange), #ff5400);
    padding: 1rem;
    z-index: 100;
  }

  .nav-links.active li {
    margin: 0.5rem 0;
  }

  .dropdown-content {
    position: static;
    transform: none;
    box-shadow: none;
    background-color: rgba(
      255,
      125,
      0,
      0.8
    ); /* Semi-transparent orange for mobile */
  }

  .dropdown-content a {
    color: white;
    padding: 8px 0;
  }
}
.journey-map h4 {
  transition: all 0.3s ease;
}
.journey-map h4:hover {
  transform: translateX(5px);
}
.call-to-action button {
  transition: all 0.3s ease;
}
.call-to-action button:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}