@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --bg-dark: #0a0a0a;
  --bg-surface: #141414;
  --bg-surface-elevated: #1e1e1e;
  --text-main: #ffffff;
  --text-muted: #a1a1aa;
  --accent-color: #fbab1a;
  --accent-hover: #f0a316;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
}

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

.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header & Nav */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: 1.5rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  display: flex;
  flex-direction: column;
}

.logo span {
  color: var(--accent-color);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--text-main);
}

.btn-primary {
  background-color: var(--accent-color);
  color: #000;
  padding: 0.75rem 1.5rem;
  border-radius: 99px;
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(251, 171, 26, 0.3);
}

/* Hero Section */
.hero {
  padding: 12rem 5% 8rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  background-image: linear-gradient(to bottom, rgba(10, 10, 10, 0.8), rgba(10, 10, 10, 1)), url('assets/hero_bg.jpg');
  background-size: cover;
  background-position: center;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  margin-bottom: 1.5rem;
  max-width: 900px;
  background: linear-gradient(to right, #fff, #fbab1a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  z-index: 2;
}

.hero p {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 2.5rem;
  z-index: 2;
}

.hero .cta-group {
  display: flex;
  gap: 1rem;
  align-items: center;
  z-index: 2;
}

.btn-secondary {
  background-color: rgba(10, 10, 10, 0.5);
  backdrop-filter: blur(5px);
  color: var(--text-main);
  padding: 0.75rem 1.5rem;
  border-radius: 99px;
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.4);
}

/* Section Common */
.section {
  padding: 6rem 5%;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 3rem;
  text-align: center;
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.service-card {
  background-color: var(--bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 2rem;
  border-radius: 16px;
  transition: transform 0.3s ease, border-color 0.3s ease, background-color 0.3s ease;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: rgba(251, 171, 26, 0.3);
  background-color: var(--bg-surface-elevated);
}

.service-icon {
  width: 48px;
  height: 48px;
  background-color: rgba(251, 171, 26, 0.1);
  color: var(--accent-color);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-card h3 {
  font-size: 1.25rem;
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  max-width: 1200px;
  margin: 0 auto;
  align-items: center;
}

.about-content p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.about-image {
  width: 100%;
  height: 500px;
  border-radius: 24px;
  background-image: url('assets/about_img.jpg');
  background-size: cover;
  background-position: center;
  border: 1px solid rgba(255, 255, 255, 0.05);
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

/* Footer / Contact */
.footer {
  background-color: var(--bg-surface);
  padding: 5rem 5% 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto 3rem;
}

.footer-col h4 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.contact-item i {
  color: var(--accent-color);
}

.contact-item a:hover {
  color: var(--text-main);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  font-size: 0.875rem;
}

.lang-switch {
  color: var(--text-main);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  transition: all 0.2s ease;
  text-decoration: none;
}
.lang-switch:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {
  .header {
    padding: 1rem 5%;
  }
  .nav-links {
    display: none;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 2.5rem;
  }
  .hero p {
    font-size: 1rem;
  }
  .about-image {
    height: 300px;
  }
}