/* ===== VARIABLES ===== */
:root {
  --primary: #2c3e50;
  --secondary: #3498db;
  --accent: #f39c12;
  --light: #ecf0f1;
  --dark: #2c3e50;
  --text: #333;
  --text-light: #7f8c8d;
  --white: #ffffff;
  --black: #000000;
  --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

/* ===== BASE STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: "Poppins", sans-serif;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--light);
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-title {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 2rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 50px;
  height: 3px;
  background-color: var(--accent);
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  background-color: var(--accent);
  color: var(--white);
  border-radius: 5px;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn:hover {
  background-color: #e67e22;
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.header.scrolled {
  background-color: rgba(44, 62, 80, 0.95);
 /* padding: 10px 0; */
}

.header.scrolled .logo,
.header.scrolled .nav-link {
  color: var(--white);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
}

.logo {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.logo-icon {
  margin-right: 10px;
  color: var(--accent);
  font-size: 1.8rem;
}

.navbar {
  display: flex;
  align-items: center;
}

.nav-menu {
  display: flex;
}

.nav-link {
  padding: 10px 15px;
  font-weight: 500;
  color: var(--primary);
  transition: var(--transition);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 15px;
  width: 0;
  height: 2px;
  background-color: var(--accent);
  transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: calc(100% - 30px);
}

.nav-toggler {
  font-size: 1.5rem;
  color: var(--primary);
  cursor: pointer;
  display: none;
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  background: url("../img/hero-bg.jpg") no-repeat center center/cover;
  color: var(--white);
  text-align: center;
  margin-top: 70px;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5); /* Overlay hitam dengan transparansi */
  z-index: 1;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: 30px;
  font-weight: 300;
}

.cta-button {
  display: inline-block;
  padding: 15px 40px;
  background-color: var(--accent);
  color: var(--white);
  border-radius: 5px;
  font-weight: 600;
  font-size: 1.1rem;
  transition: var(--transition);
}

.cta-button:hover {
  background-color: #e67e22;
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.scroll-down {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 2rem;
  color: var(--white);
  animation: bounce 2s infinite;
  cursor: pointer;
}

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0) translateX(-50%);
  }
  40% {
    transform: translateY(-20px) translateX(-50%);
  }
  60% {
    transform: translateY(-10px) translateX(-50%);
  }
}

/* ===== SERVICES SECTION ===== */
.services {
  padding: 100px 0;
  background-color: var(--white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.service-card {
  background-color: var(--white);
  padding: 40px 30px;
  border-radius: 10px;
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.service-icon {
  font-size: 3rem;
  color: var(--accent);
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--primary);
}

.service-card p {
  color: var(--text-light);
  line-height: 1.6;
}

/* ===== PROJECTS SECTION ===== */
.projects {
  padding: 100px 0;
  background-color: var(--light);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.project-card {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.project-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: var(--transition);
}

.project-card:hover img {
  transform: scale(1.05);
}

.project-info {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 20px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  color: var(--white);
}

.project-info h3 {
  font-size: 1.5rem;
  margin-bottom: 5px;
}

.project-info p {
  font-size: 0.9rem;
  opacity: 0.8;
}

/* ===== ABOUT SECTION ===== */
.about {
  padding: 100px 0;
  background-color: var(--white);
}

.about .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.about-image img {
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.about-content p {
  margin-bottom: 20px;
  line-height: 1.8;
  color: var(--text-light);
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.stat-item {
  text-align: center;
  padding: 20px;
  background-color: var(--light);
  border-radius: 5px;
}

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 5px;
}

.stat-label {
  font-size: 1rem;
  color: var(--text-light);
}

/* ===== CONTACT SECTION ===== */
.contact {
  padding: 100px 0;
  background-color: var(--light);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  margin-top: 50px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
}

.info-item i {
  font-size: 1.2rem;
  color: var(--accent);
  margin-top: 3px;
}

.info-item p {
  color: var(--text-light);
  line-height: 1.6;
}

.contact-form {
  background-color: var(--white);
  padding: 40px;
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 15px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-family: "Poppins", sans-serif;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(243, 156, 18, 0.2);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.submit-button {
  width: 100%;
  padding: 15px;
  background-color: var(--accent);
  color: var(--white);
  border: none;
  border-radius: 5px;
  font-weight: 600;
  font-size: 1.1rem;
  cursor: pointer;
  transition: var(--transition);
}

.submit-button:hover {
  background-color: #e67e22;
}

/* ===== FOOTER ===== */
.footer {
  background-color: var(--primary);
  color: var(--white);
  padding: 80px 0 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 50px;
}

.footer-about h3 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  position: relative;
  display: inline-block;
}

.footer-about h3::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 50px;
  height: 3px;
  background-color: var(--accent);
}

.footer-about p {
  margin-bottom: 20px;
  line-height: 1.6;
  opacity: 0.8;
}

.social-links {
  display: flex;
  gap: 15px;
}

.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%;
  transition: var(--transition);
}

.social-links a:hover {
  background-color: var(--accent);
  transform: translateY(-5px);
}

.footer-links h3,
.footer-services h3 {
  font-size: 1.5rem;
  margin-bottom: 20px;
  position: relative;
}

.footer-links h3::after,
.footer-services h3::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 50px;
  height: 3px;
  background-color: var(--accent);
}

.footer-links ul,
.footer-services ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a,
.footer-services a {
  opacity: 0.8;
  transition: var(--transition);
}

.footer-links a:hover,
.footer-services a:hover {
  opacity: 1;
  color: var(--accent);
  padding-left: 5px;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  opacity: 0.7;
  font-size: 0.9rem;
}

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 992px) {
  .about .container {
    grid-template-columns: 1fr;
  }

  .about-image {
    order: -1;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: var(--white);
    flex-direction: column;
    align-items: center;
    padding-top: 40px;
    transition: var(--transition);
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-link {
    padding: 15px 0;
    color: var(--primary);
  }

  .nav-toggler {
    display: block;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.2rem;
  }

  .services-grid,
  .projects-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 2rem;
  }

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

  .stats {
    grid-template-columns: 1fr;
  }
}