/* Reset & Variables */
:root {
  --bg: #0a0a0a;
  --text: #f0f0f0;
  --accent: #c9a86e;
  --gray: #888;
  --card-bg: #121212;
  --border: #333;
  --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  overflow-x: hidden;
}

/* Preloader */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  color: var(--accent);
  font-family: 'Space Mono', monospace;
  font-size: 2rem;
  transition: opacity 0.5s ease;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 1.2rem 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  background: rgba(10, 10, 10, 0.9);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.logo {
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--text);
  text-decoration: none;
}

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

.nav-links a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  position: relative;
  transition: var(--transition);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: var(--transition);
}

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

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

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 72px;
  left: 0;
  width: 100%;
  background: var(--bg);
  padding: 1rem 0;
  z-index: 999;
  display: none;
  box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.mobile-menu ul {
  list-style: none;
  padding: 0 2rem;
}

.mobile-menu ul li {
  margin: 1rem 0;
}

.mobile-menu ul li a {
  color: var(--text);
  text-decoration: none;
  font-size: 1.2rem;
}

/* Hero Section */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
  align-items: center;
  padding: 0 10%;
  gap: 3rem;
}

.hero-content {
  max-width: 550px;
}

.hero-title {
  font-family: 'Space Mono', monospace;
  font-size: 3.5rem;
  margin-bottom: 1rem;
  line-height: 1.2;
  color: var(--text);
}

.hero-title span {
  color: var(--accent);
  font-weight: 700;
}

.hero-subtitle {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1rem;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--gray);
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Code Animation */
.hero-visual {
  display: flex;
  justify-content: center;
}

.code-animation {
  background: #000;
  color: var(--accent);
  padding: 1.5rem;
  border-radius: 12px;
  font-family: 'Space Mono', monospace;
  font-size: 0.95rem;
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  min-height: 220px;
  position: relative;
  overflow: hidden;
}

.code-line {
  opacity: 0;
  height: 1.5em;
  overflow: hidden;
  white-space: pre;
}

/* Buttons */
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #000;
  padding: 0.9rem 2rem;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

.btn-primary:hover {
  background: #e6c78a;
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(201, 168, 110, 0.3);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--accent);
  color: var(--accent);
  text-decoration: none;
  padding: 0.8rem 2rem;
  border-radius: 30px;
  font-weight: 600;
  transition: var(--transition);
}

.btn-outline:hover {
  background: var(--accent);
  color: #000;
}

/* Container & Section */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 0;
}

.section {
  padding: 6rem 0;
}

.section-title {
  font-family: 'Space Mono', monospace;
  font-size: 2.8rem;
  text-align: center;
  margin-bottom: 4rem;
  color: var(--text);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--accent);
  margin: 1rem auto;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  transition: var(--transition);
  text-align: center;
  border: 1px solid var(--border);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.service-card i {
  font-size: 2.3rem;
  color: var(--accent);
  margin-bottom: 1rem;
  display: block;
}

/* Tentang */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-img img {
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.features {
  margin: 2rem 0;
  list-style: none;
}

.features li {
  margin-bottom: 1.2rem;
  color: var(--gray);
  font-size: 1.1rem;
}

.features i {
  color: var(--accent);
  margin-right: 0.5rem;
}

/* CTA */
.cta {
  background: #000;
  color: white;
  text-align: center;
  padding: 6rem 0;
}

.cta h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.cta p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* Contact */
.contact {
  background: var(--card-bg);
  padding: 6rem 0;
}

.contact-text {
  font-size: 1.3rem;
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  color: var(--gray);
  text-align: center;
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.contact-form input,
.contact-form textarea {
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #1a1a1a;
  color: var(--text);
  font-family: inherit;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--gray);
}

/* Footer */
.footer {
  background: var(--bg);
  color: var(--gray);
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--border);
}

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

.footer-logo h3 {
  color: var(--text);
  margin-bottom: 1rem;
}

.footer-links a,
.footer-social a {
  display: block;
  margin: 0.8rem 0;
  color: var(--gray);
  text-decoration: none;
  transition: var(--transition);
  font-size: 0.95rem;
}

.footer-links a:hover,
.footer-social a:hover {
  color: var(--accent);
}

.footer-social i {
  margin-right: 0.5rem;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  color: #777;
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 900px) {
  .menu-toggle {
    display: block;
  }

  .nav-links {
    display: none;
  }

  .hero, .grid-2, .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content, .about-content {
    margin: 0 auto;
  }

  .hero-visual {
    order: -1;
    margin-top: 2rem;
  }

  .hero-title {
    font-size: 3rem;
  }

  .hero-cta {
    justify-content: center;
  }

  .btn-primary, .btn-outline {
    width: 100%;
    text-align: center;
    margin: 0.5rem 0;
  }

  .code-animation {
    font-size: 0.85rem;
    padding: 1rem;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .service-card {
    padding: 1.8rem;
  }
}

@media (max-width: 600px) {
  .hero {
    padding: 0 5%;
  }

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

  .hero-subtitle {
    font-size: 1.3rem;
  }

  .section {
    padding: 4rem 0;
  }

  .container {
    padding: 3rem 0;
  }

  .section-title {
    font-size: 2.3rem;
  }

  .mobile-menu ul {
    padding: 0 1.5rem;
  }
}