:root {
  --bg-dark: #0a0a0a;
  --bg-darker: #050505;
  --bg-card: rgba(25, 25, 30, 0.65);
  --text-main: #f5f5f5;
  --text-muted: #a3a3a3;
  --accent: #f97316;
  --accent-glow: rgba(249, 115, 22, 0.3);
  --accent-hover: #ea580c;
  --glass-border: rgba(255, 255, 255, 0.08);
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-darker);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
}

.accent-text {
  color: var(--accent);
}

.btn {
  display: inline-block;
  padding: 14px 28px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  text-align: center;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--accent-glow);
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Navbar */
header.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(5, 5, 5, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  border-bottom: 1px solid var(--glass-border);
  padding: 1rem 0;
  transition: all 0.3s ease;
}

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

.brand {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

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

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  transition: color 0.3s;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  background: var(--accent);
  bottom: -4px;
  left: 0;
  transition: width 0.3s;
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 5rem;
  background: radial-gradient(circle at 75% 30%, rgba(249, 115, 22, 0.08) 0%, transparent 40%),
              radial-gradient(circle at 20% 80%, rgba(249, 115, 22, 0.03) 0%, transparent 40%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 4rem;
  letter-spacing: -1px;
  margin-bottom: 1.5rem;
}

.hero-content p {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 90%;
}

.hero-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.hero-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: #fff;
}

.hero-card ul {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hero-card li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 500;
  color: var(--text-main);
}

.hero-card li::before {
  content: "✓";
  color: var(--accent);
  font-weight: bold;
}

/* Sections General */
section {
  padding: 7rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

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

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 2.5rem;
  transition: transform 0.4s ease, border-color 0.4s ease;
  backdrop-filter: blur(10px);
}

.service-card:hover {
  transform: translateY(-10px);
  border-color: rgba(249, 115, 22, 0.4);
  background: linear-gradient(180deg, rgba(25,25,30,0.8) 0%, rgba(20,20,25,0.9) 100%);
}

.service-icon {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.service-card h3 {
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.service-card p {
  color: var(--text-muted);
}

/* Projects */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.4s ease;
}

.project-card:hover {
  border-color: rgba(249, 115, 22, 0.4);
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.5);
}

.project-image-wrapper {
  overflow: hidden;
  aspect-ratio: 4/3;
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.project-info {
  padding: 1.75rem;
}

.project-info h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.project-info p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Contact */
.contact-container {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 4rem;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 4rem;
  backdrop-filter: blur(12px);
}

.contact-info h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.contact-info p {
  color: var(--text-muted);
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-details-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1.1rem;
}

.contact-details-item span {
  color: var(--accent);
  font-weight: bold;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
}

.form-control {
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  padding: 1rem;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all 0.3s;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(0, 0, 0, 0.8);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.alert-box {
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  font-weight: 500;
  display: none;
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34d399;
}

.alert-danger {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  background: var(--bg-dark);
  color: var(--text-muted);
  font-size: 0.95rem;
}

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

/* Responsiveness */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero-content h1 {
    font-size: 3rem;
  }
  .contact-container {
    grid-template-columns: 1fr;
    padding: 2.5rem;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--bg-darker);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: 0.4s ease;
  }
  .nav-links.active {
    left: 0;
  }
  .mobile-menu-btn {
    display: block;
  }
  .footer-content {
    flex-direction: column;
    gap: 1rem;
  }
  .hero-content h1 {
    font-size: 2.5rem;
  }
}