/* ========================================
   R3 Technologies — Splash Page Styles
   ======================================== */

:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #1a2233;
  --bg-card-hover: #1f2b3f;
  --border: #1e293b;
  --border-light: #334155;

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-1: #3b82f6;
  --accent-2: #8b5cf6;
  --accent-3: #06b6d4;
  --gradient: linear-gradient(135deg, var(--accent-3), var(--accent-1), var(--accent-2));

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Gradient Text */
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
}
.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}
.btn-primary:hover {
  box-shadow: 0 6px 30px rgba(59, 130, 246, 0.5);
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}
.btn-outline:hover {
  border-color: var(--accent-1);
  background: rgba(59, 130, 246, 0.08);
}
.btn-nav {
  padding: 8px 20px;
  font-size: 0.875rem;
}
.btn-full { width: 100%; justify-content: center; }

/* ========================================
   Navigation
   ======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
  background: transparent;
}
.navbar.scrolled {
  background: rgba(10, 14, 23, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.logo-r3 {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: var(--transition);
}
.nav-links a:hover { color: var(--text-primary); }

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
  border-radius: 2px;
}
.mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ========================================
   Hero
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 120px 0 80px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
#hero-canvas {
  width: 100%;
  height: 100%;
  opacity: 0.4;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to top, var(--bg-primary), transparent);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
}
.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid var(--border-light);
  border-radius: 100px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-secondary);
  margin-bottom: 24px;
  letter-spacing: 0.05em;
}
.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}
.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
}
.stat { text-align: center; }
.stat-value {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
  font-family: var(--font-mono);
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.stat-divider {
  width: 1px;
  height: 32px;
  background: var(--border-light);
}
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  animation: float 2s ease-in-out infinite;
}
.hero-scroll a { color: var(--text-muted); }
@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ========================================
   Section Shared
   ======================================== */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 60px;
}
.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.section-header p {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* ========================================
   Services
   ======================================== */
.services {
  padding: 100px 0;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: var(--transition);
}
.service-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}
.service-icon {
  width: 48px;
  height: 48px;
  color: var(--accent-1);
  margin-bottom: 20px;
}
.service-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.service-card p {
  color: var(--text-secondary);
  font-size: 0.925rem;
  margin-bottom: 20px;
  line-height: 1.7;
}
.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.service-tags li {
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-1);
  border: 1px solid rgba(59, 130, 246, 0.15);
}

/* ========================================
   About
   ======================================== */
.about {
  padding: 100px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-content .section-tag { margin-bottom: 12px; }
.about-content h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.about-content > p {
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.7;
}
.about-features { display: flex; flex-direction: column; gap: 20px; }
.feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.feature-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(6, 182, 212, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-3);
  margin-top: 2px;
}
.feature strong {
  display: block;
  margin-bottom: 4px;
  font-size: 0.95rem;
}
.feature p {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Terminal */
.terminal {
  background: #0d1117;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}
.terminal-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: #161b22;
  border-bottom: 1px solid var(--border);
}
.terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.terminal-dot.red { background: #ff5f57; }
.terminal-dot.yellow { background: #febc2e; }
.terminal-dot.green { background: #28c840; }
.terminal-title {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}
.terminal-body {
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.8;
  overflow-x: auto;
}
.terminal-body code { font-family: inherit; }
.t-prompt { color: var(--accent-3); }
.t-green { color: #4ade80; }
.t-blue { color: #60a5fa; }
.t-muted { color: var(--text-muted); }
.t-cursor {
  animation: blink 1s step-end infinite;
}
@keyframes blink {
  50% { opacity: 0; }
}

/* ========================================
   Contact
   ======================================== */
.contact {
  padding: 100px 0;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: start;
}
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text-secondary);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-1);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}
.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%2364748b' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}
.form-group select option {
  background: var(--bg-card);
}
.form-status {
  margin-top: 16px;
  font-size: 0.9rem;
  text-align: center;
}
.form-status.success { color: #4ade80; }
.form-status.error { color: #f87171; }

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.contact-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}
.contact-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 20px;
  line-height: 1.6;
}
.calendly-link {
  font-weight: 500;
}
.contact-details {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.contact-details li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.contact-details a {
  color: var(--accent-1);
  transition: var(--transition);
}
.contact-details a:hover { color: var(--accent-3); }

/* ========================================
   Footer
   ======================================== */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
}
.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-brand p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}
.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: var(--transition);
}
.footer-links a:hover { color: var(--text-primary); }

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-visual { order: -1; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border);
    flex-direction: column;
    padding: 80px 32px 32px;
    gap: 24px;
    transition: var(--transition);
  }
  .nav-links.open { right: 0; }
  .mobile-toggle { display: flex; z-index: 1001; }

  .hero { padding: 100px 0 60px; }
  .hero h1 { font-size: 2.2rem; }
  .hero-sub { font-size: 1rem; }
  .hero-stats { gap: 24px; }

  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 24px; }

  .footer-content { flex-direction: column; gap: 16px; text-align: center; }
}