@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --bg-primary: #0a0f18; /* Dark navy/slate */
  --bg-secondary: #121a28;
  --bg-tertiary: #1d273b;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --accent-cyan: #06b6d4;
  --accent-purple: #8b5cf6;
  
  --glass-bg: rgba(10, 15, 24, 0.7);
  --glass-border: rgba(255, 255, 255, 0.08);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
  
  --transition-normal: 0.3s ease;
  --transition-slow: 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition-normal);
}
a:hover {
  color: var(--accent-hover);
}

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

/* Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.text-gradient {
  background: linear-gradient(135deg, var(--accent), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-purple {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-padding {
  padding: 6rem 0;
}

.text-center {
  text-align: center;
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  border-radius: 9999px;
  transition: all var(--transition-normal);
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: white;
  box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.39);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
  color: white;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
}

.btn-outline:hover {
  background: var(--bg-tertiary);
  border-color: var(--accent);
  color: white;
}

/* Navigation */
header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  transition: all var(--transition-normal);
}

header.scrolled {
  padding: 0.5rem 0;
  box-shadow: var(--shadow-lg);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
  transition: height var(--transition-normal);
}

header.scrolled .nav-container {
  height: 64px;
}

.logo span {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

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

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

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

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu {
  display: none;
  background: var(--bg-secondary);
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  padding: 1rem 0;
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--shadow-lg);
}

.mobile-menu.active {
  display: flex;
  flex-direction: column;
}

.mobile-menu a {
  color: var(--text-primary);
  padding: 1rem 2rem;
  font-weight: 500;
  border-left: 3px solid transparent;
}

.mobile-menu a:hover {
  background: var(--bg-tertiary);
  border-left-color: var(--accent);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

/* Abstract Background Elements */
.hero-bg-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
  top: -100px;
  right: -200px;
  border-radius: 50%;
  z-index: -1;
}

.hero-bg-glow-2 {
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, rgba(0, 0, 0, 0) 70%);
  bottom: 0;
  left: -150px;
  border-radius: 50%;
  z-index: -1;
}

.hero-content {
  max-width: 800px;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: clamp(3rem, 5vw, 4.5rem);
  letter-spacing: -1px;
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.25rem;
  max-width: 600px;
  margin-bottom: 2.5rem;
}

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

/* About / Hardware Section */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image::before {
  content: '';
  position: absolute;
  inset: -15px;
  background: linear-gradient(135deg, var(--accent), var(--accent-purple));
  border-radius: 12px;
  z-index: -1;
  opacity: 0.3;
  filter: blur(20px);
}

.glass-card {
  background: linear-gradient(180deg, rgba(30, 41, 59, 0.4) 0%, rgba(15, 23, 42, 0.4) 100%);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 2.5rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.glass-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.2);
}

.tech-stack-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.tech-tag {
  background: var(--bg-tertiary);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

/* Services Section */
.services {
  background-color: var(--bg-secondary);
}

.section-header {
  margin-bottom: 4rem;
  max-width: 600px;
}

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

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

.service-icon {
  width: 64px;
  height: 64px;
  background: rgba(59, 130, 246, 0.1);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--accent);
}

/* Portfolio / PawPIMS */
.portfolio-featured {
  margin-top: 3rem;
}

.project-card {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 0;
  background: var(--bg-secondary);
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-lg);
}

.project-image {
  position: relative;
  background: var(--bg-tertiary);
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.project-image img {
  max-width: 80%;
  max-height: 250px;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: transform 0.8s ease;
}

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

.status-badge {
  position: absolute;
  top: 20px;
  left: 20px;
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  backdrop-filter: blur(4px);
  z-index: 10;
}

.project-content {
  padding: 4rem 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Contact Form */
.contact-section {
  position: relative;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

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

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

.form-control {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  padding: 1rem;
  border-radius: 10px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: all var(--transition-normal);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
  background: var(--bg-tertiary);
}

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

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

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

.footer-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.footer-brand img {
  height: 40px;
  width: auto;
}

.footer-bottom {
  border-top: 1px solid var(--glass-border);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Scroll Reveals */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all var(--transition-slow);
}

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

.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }

/* Responsive Design */
@media (max-width: 992px) {
  .project-card {
    grid-template-columns: 1fr;
  }
  
  .project-image {
    min-height: 300px;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
  }
  
  .nav-links {
    display: none;
  }
  
  .nav-links .btn {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}