/* ==========================================================================
   10Zone Main Stylesheet - UI/UX Pro Max Edition (Light Bento & SaaS)
   ========================================================================== */

@import url('./variables.css');

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

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

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

:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 20px;
  background: var(--accent-blue);
  color: #ffffff;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  z-index: 1000;
  font-weight: 600;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 10px;
}

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

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Background Glowing Orbs */
.bg-glow {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1400px;
  height: 600px;
  background: radial-gradient(circle at 50% 15%, rgba(37, 99, 235, 0.09) 0%, rgba(79, 70, 229, 0.05) 45%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* Header & Navigation */
.header {
  position: sticky;
  top: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: var(--backdrop-blur);
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.logo {
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 600;
}

.nav-link:hover {
  color: var(--accent-blue);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.38);
}

.btn-secondary {
  background: #ffffff;
  color: var(--text-primary);
  border-color: var(--border-color);
  box-shadow: var(--shadow-card);
}

.btn-secondary:hover {
  background: #f8fafc;
  border-color: var(--accent-blue);
}

/* Hero Section */
.hero {
  position: relative;
  padding: 5rem 0 3.5rem;
  text-align: center;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1.1rem;
  border-radius: var(--radius-full);
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.2);
  color: var(--accent-blue);
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 780px;
  margin: 0 auto 2.5rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

/* Visual Live Flow Preview Card */
.hero-flow-preview {
  max-width: 860px;
  margin: 0 auto;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 1.5rem 2rem;
  box-shadow: var(--shadow-glow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.flow-node {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.85rem 1.25rem;
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  text-align: left;
}

.flow-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(37, 99, 235, 0.1);
  color: var(--accent-blue);
}

.flow-connector {
  color: var(--accent-blue);
  font-size: 1.25rem;
  font-weight: 800;
}

/* Tech Integrations Strip */
.tech-strip {
  padding: 2.5rem 0 3.5rem;
  text-align: center;
}

.tech-strip-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.tech-badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.15rem;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  box-shadow: var(--shadow-card);
}

/* Section Common */
.section {
  padding: 4.5rem 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* Bento Grid System */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.bento-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.bento-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-purple);
  box-shadow: var(--shadow-glow);
}

.bento-card.span-2 {
  grid-column: span 2;
}

.bento-tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  background: rgba(79, 70, 229, 0.08);
  color: var(--accent-purple);
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.bento-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--gradient-glow);
  border: 1px solid rgba(37, 99, 235, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-blue);
  margin-bottom: 1.5rem;
}

.bento-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.bento-card p {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.65;
}

/* Process Steps */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.process-step {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-normal);
}

.process-step:hover {
  border-color: var(--accent-blue);
  transform: translateY(-3px);
}

.step-num {
  font-size: 2.25rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
}

.process-step h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.process-step p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Consultation Form Section */
.cta-box {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 3.5rem 2.5rem;
  max-width: 800px;
  margin: 0 auto;
  box-shadow: var(--shadow-glow);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  text-align: left;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}

.form-input, .form-textarea {
  width: 100%;
  min-height: 44px;
  padding: 0.85rem 1.25rem;
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color var(--transition-fast);
}

.form-input:focus, .form-textarea:focus {
  outline: none;
  background: #ffffff;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-status {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin-top: 1.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  display: none;
}

.form-status.success {
  display: block;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #15803d;
}

.form-status.error {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #b91c1c;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 3.5rem 0 2rem;
  background: var(--bg-dark-alt);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.footer-links {
  display: flex;
  gap: 1.75rem;
  list-style: none;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 600;
}

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

.footer-bottom {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.88rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
}

/* Responsive */
@media (max-width: 992px) {
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .bento-card.span-2 {
    grid-column: span 2;
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-flow-preview {
    flex-direction: column;
    gap: 0.75rem;
  }
  .flow-connector {
    transform: rotate(90deg);
  }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 2.15rem;
  }
  .bento-grid, .process-grid {
    grid-template-columns: 1fr;
  }
  .bento-card.span-2 {
    grid-column: span 1;
  }
  .header-inner {
    flex-wrap: wrap;
    gap: 1rem;
  }
  .nav-menu {
    gap: 1rem;
    font-size: 0.85rem;
  }
  .footer-inner {
    flex-direction: column;
    gap: 1.5rem;
    align-items: flex-start;
  }
  .footer-links {
    flex-direction: column;
    gap: 0.75rem;
  }
}