@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg-color: #050711;
  --bg-surface: #0a0f1d;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --accent-blue: #2563eb;
  --accent-violet: #7c3aed;
  --accent-glow: rgba(124, 58, 237, 0.4);
  --accent-gradient: linear-gradient(135deg, #3b82f6, #8b5cf6);
  --glass-bg: rgba(10, 15, 29, 0.6);
  --glass-border: rgba(255, 255, 255, 0.08);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --font-family: 'Outfit', sans-serif;
  --transition-fast: 0.2s ease;
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
}

body {
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 50%, rgba(124, 58, 237, 0.15) 0%, transparent 25%),
    radial-gradient(circle at 85% 30%, rgba(37, 99, 235, 0.15) 0%, transparent 25%);
  background-attachment: fixed;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-blue);
}

ul {
  list-style: none;
}

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

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

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
  color: var(--text-secondary);
  font-size: 1.125rem;
  margin-bottom: 1.5rem;
}

.text-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 6rem 0;
}

.section-sm {
  padding: 3rem 0;
}

/* Header & Nav */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.5rem 0;
  transition: all var(--transition-fast);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(5, 7, 17, 0.7);
  border-bottom: 1px solid transparent;
}

.header.scrolled {
  padding: 1rem 0;
  border-bottom: 1px solid var(--glass-border);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-gradient);
  box-shadow: 0 0 10px var(--accent-glow);
}

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

.nav-link {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background: var(--accent-gradient);
  transition: width var(--transition-fast);
}

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

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  border-radius: 100px;
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
  gap: 0.5rem;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--accent-glow);
}

.btn-secondary {
  background: var(--glass-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 5rem;
}

.hero-content {
  flex: 1;
  max-width: 600px;
  z-index: 2;
}

.hero-image {
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  mask-image: linear-gradient(to left, rgba(0,0,0,1) 50%, rgba(0,0,0,0) 100%);
  -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,1) 50%, rgba(0,0,0,0) 100%);
  opacity: 0.8;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-top: 2.5rem;
}

/* Glass Cards */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform var(--transition-slow), border-color var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at top right, rgba(124, 58, 237, 0.1), transparent 70%);
  pointer-events: none;
}

.glass-card:hover {
  transform: translateY(-5px);
  border-color: rgba(124, 58, 237, 0.3);
}

.card-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  background: rgba(37, 99, 235, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--accent-blue);
  margin-bottom: 1.5rem;
}

/* Content Pages layout */
.page-header {
  padding: 10rem 0 4rem;
  text-align: center;
  background: radial-gradient(circle at center top, rgba(37, 99, 235, 0.15) 0%, transparent 50%);
}

.page-header h1 {
  max-width: 900px;
  margin: 0 auto 1.5rem;
}

.page-header p {
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.25rem;
}

.content-section {
  padding: 4rem 0;
}

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

.content-grid.reverse .content-text {
  order: 2;
}

.content-grid.reverse .content-image {
  order: 1;
}

.content-image img {
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Form */
.contact-form {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 3rem;
  backdrop-filter: blur(12px);
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-primary);
}

.form-control {
  width: 100%;
  padding: 1rem;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

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

/* Footer */
.footer {
  border-top: 1px solid var(--glass-border);
  padding: 4rem 0 2rem;
  margin-top: 4rem;
  background: rgba(5, 7, 17, 0.5);
}

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

.footer-col h4 {
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  font-size: 1.25rem;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--text-secondary);
}

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

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

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 992px) {
  .hero-image {
    display: none;
  }
  .hero-content {
    max-width: 100%;
    text-align: center;
  }
  .hero-buttons {
    justify-content: center;
  }
  .content-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .content-grid.reverse .content-text,
  .content-grid.reverse .content-image {
    order: unset;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--bg-surface);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: right var(--transition-slow);
    border-left: 1px solid var(--glass-border);
    z-index: 999;
  }
  .nav-links.active {
    right: 0;
  }
  .mobile-menu-btn {
    display: block;
    z-index: 1000;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}