/* ===== ARCHRAILS GLOBAL STYLES ===== */

:root {
  --color-bg: #0a0a0f;
  --color-bg-elevated: #111118;
  --color-bg-card: #16161f;
  --color-bg-input: #1c1c26;
  --color-text: #f5f5f7;
  --color-text-muted: #8e8e93;
  --color-text-subtle: #636366;
  --color-primary: #6366f1;
  --color-primary-light: #818cf8;
  --color-primary-dark: #4f46e5;
  --color-accent: #22d3ee;
  --color-accent-warm: #f472b6;
  --color-success: #22c55e;
  --color-warning: #fbbf24;
  --color-error: #ef4444;
  --color-border: rgba(255,255,255,0.08);
  --color-border-hover: rgba(255,255,255,0.15);
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 60px rgba(99,102,241,0.15);
  --shadow-glow-accent: 0 0 40px rgba(34,211,238,0.15);
  --transition-fast: all 0.15s ease;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
}

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

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

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

.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-sm {
  padding: 60px 0;
}

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

.text-muted { color: var(--color-text-muted); }
.text-subtle { color: var(--color-text-subtle); }
.text-primary { color: var(--color-primary-light); }
.text-accent { color: var(--color-accent); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }

.section-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary-light);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 600;
  line-height: 1.15;
  margin-bottom: 20px;
}

.section-desc {
  font-size: 18px;
  color: var(--color-text-muted);
  max-width: 560px;
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition-smooth);
}

.header.scrolled {
  background: rgba(10, 10, 15, 0.95);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 20px;
  color: var(--color-text);
  text-decoration: none;
}

.logo:hover {
  color: var(--color-text);
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-icon svg {
  width: 18px;
  height: 18px;
  stroke: white;
  stroke-width: 2.5;
  fill: none;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition-smooth);
}

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

.nav-cta {
  display: flex;
  gap: 12px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: var(--transition-smooth);
  cursor: pointer;
  border: none;
  font-family: inherit;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background: var(--color-primary-light);
  color: white;
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--color-bg-elevated);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-bg-card);
  border-color: var(--color-border-hover);
  color: var(--color-text);
}

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

.btn-ghost:hover {
  background: var(--color-bg-elevated);
  border-color: var(--color-border-hover);
  color: var(--color-text);
}

.btn-accent {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
  color: white;
}

.btn-accent:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  color: white;
}

.btn-danger {
  background: var(--color-error);
  color: white;
}

.btn-danger:hover {
  background: #dc2626;
  color: white;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 15px;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 50%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ===== FORMS ===== */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--color-text);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 15px;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-subtle);
}

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

.form-hint {
  font-size: 13px;
  color: var(--color-text-subtle);
  margin-top: 6px;
}

.form-error {
  font-size: 13px;
  color: var(--color-error);
  margin-top: 6px;
}

/* ===== CARDS ===== */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition-smooth);
}

.card:hover {
  border-color: var(--color-border-hover);
}

.card-elevated {
  box-shadow: var(--shadow-md);
}

.card-glow {
  box-shadow: var(--shadow-glow);
}

/* ===== BADGES ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-primary {
  background: rgba(99, 102, 241, 0.15);
  color: var(--color-primary-light);
}

.badge-success {
  background: rgba(34, 197, 94, 0.15);
  color: var(--color-success);
}

.badge-warning {
  background: rgba(251, 191, 36, 0.15);
  color: var(--color-warning);
}

.badge-error {
  background: rgba(239, 68, 68, 0.15);
  color: var(--color-error);
}

.badge-accent {
  background: rgba(34, 211, 238, 0.15);
  color: var(--color-accent);
}

/* ===== PAGE BANNER ===== */
.page-banner {
  padding: 140px 0 60px;
  background: var(--color-bg-elevated);
  position: relative;
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 40% at 50% 0%, rgba(99,102,241,0.1) 0%, transparent 50%);
}

.page-banner-content {
  position: relative;
  text-align: center;
}

.page-banner-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 600;
  margin-bottom: 16px;
}

.page-banner-desc {
  font-size: 18px;
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: 48px 0;
}

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

.footer-copy {
  font-size: 14px;
  color: var(--color-text-subtle);
}

.footer-links {
  display: flex;
  gap: 32px;
}

.footer-link {
  font-size: 14px;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: var(--transition-smooth);
}

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

/* ===== LOADING STATES ===== */
.loading {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

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

.animate-fade-in { animation: fadeIn 0.3s ease-out; }
.animate-fade-in-up { animation: fadeInUp 0.4s ease-out; }
.animate-fade-in-down { animation: fadeInDown 0.4s ease-out; }
.animate-slide-in-right { animation: slideInRight 0.4s ease-out; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }

  .nav,
  .nav-cta {
    /* Hide the desktop nav menu AND the right-side CTAs on mobile.
       Without this, the CTA buttons overlap the logo on narrow widths
       because .nav-cta keeps display:flex. Pages that need in-header
       CTAs on mobile should add a burger pattern (.nav-toggle +
       #mobile-nav) instead of leaving .nav-cta visible. */
    display: none;
  }

  .footer-inner {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px 24px;
  }
}

/* ===== MOBILE MENU ===== */
.mobile-menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.mobile-menu-toggle span {
  width: 18px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition-fast);
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }
}