@import url(https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;800&display=swap);
:root {
  --bg-color: #0f172a;
  --text-color: #f8fafc;
  --accent-color: #3b82f6;
  --accent-hover: #60a5fa;
  --card-bg: rgba(30, 41, 59, 0.7);
  --border-color: rgba(255, 255, 255, 0.1);
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: 
    radial-gradient(at 0% 0%, hsla(253,16%,7%,1) 0, transparent 50%), 
    radial-gradient(at 50% 0%, hsla(225,39%,30%,0.3) 0, transparent 50%), 
    radial-gradient(at 100% 0%, hsla(339,49%,30%,0.3) 0, transparent 50%);
  background-attachment: fixed;
}

/* Navigation */
nav {
  padding: 2rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(to right, #60a5fa, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-decoration: none;
}

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

.nav-links a {
  color: var(--text-color);
  text-decoration: none;
  font-weight: 400;
  font-size: 1rem;
  transition: all 0.3s ease;
  position: relative;
}

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

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

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

/* Main Content */
main {
  flex: 1;
  padding: 4rem 5%;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Hero Section */
.hero {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  min-height: 60vh;
}

.hero h1 {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  background: linear-gradient(to right, #f8fafc, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.25rem;
  color: #94a3b8;
  max-width: 600px;
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

.btn {
  padding: 1rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

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

.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.23);
}

/* Cards (About Page) */
.glass-card {
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 3rem;
  margin-bottom: 2rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px -10px rgba(0,0,0,0.5);
}

.glass-card h2 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: #e2e8f0;
}

.glass-card p {
  color: #cbd5e1;
  line-height: 1.8;
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 600px;
}

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

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: #cbd5e1;
}

.form-group input, .form-group textarea {
  padding: 1rem;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: white;
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

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

/* Footer */
footer {
  text-align: center;
  padding: 2rem;
  color: #64748b;
  font-size: 0.9rem;
  border-top: 1px solid var(--border-color);
  margin-top: auto;
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(5px);
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.modal.show {
  display: flex;
  opacity: 1;
}

.modal-content {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 3rem;
  max-width: 500px;
  width: 90%;
  text-align: center;
  position: relative;
  transform: translateY(20px);
  transition: transform 0.3s ease;
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.modal.show .modal-content {
  transform: translateY(0);
}

.modal-content h2 {
  color: #4ade80;
  margin-bottom: 1rem;
  font-size: 2rem;
}

.modal-content p {
  color: #cbd5e1;
  line-height: 1.6;
}

.close-btn {
  position: absolute;
  top: 15px;
  right: 20px;
  color: #cbd5e1;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  transition: color 0.3s ease;
}

.close-btn:hover {
  color: var(--accent-hover);
}

/* Secondary Button */
.btn-secondary {
  background-color: transparent;
  color: var(--text-color);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.1);
}

/* Sections */
section {
  padding: 4rem 0;
}

section h2 {
  font-size: 2.5rem;
  margin-bottom: 3rem;
  background: linear-gradient(to right, #f8fafc, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-align: center;
}

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

.services-grid .glass-card, .projects-grid .glass-card {
  margin-bottom: 0;
  display: flex;
  flex-direction: column;
}

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

.service-card h3, .project-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-color);
}

.project-card {
  padding: 2.5rem;
}

.project-card .tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(59, 130, 246, 0.2);
  color: var(--accent-hover);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  align-self: flex-start;
}

.project-card .project-content {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-card p {
  flex-grow: 1;
}

.project-card .btn {
  margin-top: 2rem;
  align-self: flex-start;
  display: inline-block;
}