/* Main Layout & Section Styles - Ridian Digital / Publicsuites Theme */

/* Global Section Spacing */
.section {
  padding: 7.5rem 0;
  position: relative;
}

.section-dark {
  background: var(--ink);
  color: #ffffff;
}

.section-dark .section-title {
  color: #ffffff;
}

.section-dark .section-subtitle {
  color: rgba(255, 255, 255, 0.7);
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 4rem auto;
}

.section-title {
  font-family: var(--display);
  font-size: clamp(2.15rem, 4.2vw, 3.35rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-top: 1rem;
  margin-bottom: 1.25rem;
}

.section-subtitle {
  font-family: var(--body);
  font-size: 1.125rem;
  color: var(--ink-soft);
  line-height: 1.65;
}

/* 1. HERO SECTION */
.hero {
  padding-top: calc(var(--header-height) + 4rem);
  padding-bottom: 5.5rem;
  background: radial-gradient(circle at 50% 0%, rgba(44, 195, 107, 0.12) 0%, rgba(239, 246, 241, 0) 70%);
  position: relative;
  overflow: hidden;
}

.hero-content {
  text-align: center;
  max-width: 920px;
  margin: 0 auto 4rem auto;
}

.hero-title {
  font-family: var(--display);
  font-size: clamp(2.75rem, 5.8vw, 4.75rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin-top: 1.25rem;
  margin-bottom: 1.5rem;
}

.hero-desc {
  font-family: var(--body);
  font-size: 1.225rem;
  color: var(--ink-soft);
  line-height: 1.65;
  max-width: 780px;
  margin: 0 auto 2.25rem auto;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  margin-bottom: 1.85rem;
  flex-wrap: wrap;
}

.hero-trust-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.75rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--ink-soft);
  flex-wrap: wrap;
}

.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.hero-trust-item svg {
  color: var(--brass-deep);
}

/* 2. LOGO / FEATURE STRIP */
.strip-section {
  padding: 2.75rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper-card);
}

.strip-title {
  text-align: center;
  font-family: var(--mono);
  font-size: 0.825rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin-bottom: 1.75rem;
}

.strip-items {
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 2rem;
}

.strip-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ink);
  opacity: 0.85;
  transition: opacity var(--transition-fast);
}

.strip-item:hover {
  opacity: 1;
  color: var(--brass-deep);
}

/* 3. PROBLEM & CONVERGENCE SECTION */
.convergence-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.tool-card {
  background: var(--void-soft);
  border: 1px solid rgba(178, 59, 46, 0.2);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.tool-card-icon {
  width: 44px;
  height: 44px;
  background: rgba(178, 59, 46, 0.15);
  color: var(--void);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.convergence-arrow {
  text-align: center;
  margin: 2rem 0;
  color: var(--brass-deep);
  font-size: 2rem;
  animation: bounceDown 2s infinite;
}

@keyframes bounceDown {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

.unified-card {
  background: var(--green-soft);
  border: 2px solid var(--brass);
  border-radius: var(--radius-lg);
  padding: 2.75rem;
  text-align: center;
  box-shadow: var(--shadow);
}

/* 4. WORKFLOW / STEP SECTION */
.step-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
}

.step-card {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  position: relative;
  box-shadow: var(--shadow);
}

.step-num {
  font-family: var(--mono);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--brass-deep);
  margin-bottom: 0.5rem;
}

/* RESPONSIVE MEDIA QUERIES */

@media (max-width: 1200px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .dash-container {
    grid-template-columns: 180px 1fr;
  }
  .dash-metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 1024px) {
  .nav-desktop {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
  .card-grid-3, .card-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .dash-container {
    grid-template-columns: 1fr;
  }
  .dash-sidebar {
    display: none;
  }
  .dash-main-grid {
    grid-template-columns: 1fr;
  }
  .step-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .convergence-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 4.5rem 0;
  }
  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }
  .hero-cta-group .btn {
    width: 100%;
  }
  .card-grid-3, .card-grid-4, .pricing-grid, .step-grid {
    grid-template-columns: 1fr;
  }
  .tab-navigation {
    border-radius: var(--radius);
    flex-direction: column;
    width: 100%;
  }
  .tab-btn {
    width: 100%;
    text-align: center;
  }
  .dash-metrics-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

/* Authentication Pages Styles (Login & Sign Up) */
.auth-wrapper {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--paper);
}

.auth-banner {
  background: var(--ink);
  color: #ffffff;
  padding: 4rem 3.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.auth-banner-title {
  font-family: var(--display);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  margin-top: 2rem;
  margin-bottom: 1.25rem;
}

.auth-banner-desc {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.6;
  max-width: 460px;
  margin-bottom: 2.5rem;
}

.auth-checklist {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 3rem;
}

.auth-check-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.9);
}

.auth-check-item svg {
  color: var(--brass);
  flex-shrink: 0;
}

.auth-form-container {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 2rem;
}

.auth-form-box {
  width: 100%;
  max-width: 480px;
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  box-shadow: var(--shadow-hover);
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-title {
  font-family: var(--display);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.auth-subtitle {
  font-size: 0.95rem;
  color: var(--ink-soft);
}

.social-auth-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.btn-social {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.75rem 1rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.btn-social:hover {
  border-color: var(--ink-soft);
  background: #ffffff;
}

.auth-divider {
  display: flex;
  align-items: center;
  margin: 1.5rem 0;
  color: var(--ink-soft);
  font-size: 0.825rem;
  font-family: var(--mono);
}

.auth-divider::before, .auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--line);
}

.auth-divider span {
  padding: 0 1rem;
}

.form-group {
  margin-bottom: 1.35rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.45rem;
}

.form-input-wrapper {
  position: relative;
}

.form-input {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  background: var(--paper);
  color: var(--ink);
  box-sizing: border-box;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  border-color: var(--brass-deep);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(44, 195, 107, 0.2);
}

.toggle-password {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-soft);
  cursor: pointer;
}

.form-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
  margin-bottom: 1.75rem;
}

.remember-me {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink-soft);
}

.forgot-link {
  color: var(--brass-deep);
  font-weight: 600;
}

@media (max-width: 900px) {
  .auth-wrapper {
    grid-template-columns: 1fr;
  }
  .auth-banner {
    display: none;
  }
}

/* Custom Diagram & Visualization Card Styles */
.tab-visual-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 2rem;
  align-items: center;
}

.diagram-box {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-hover);
  position: relative;
  overflow: hidden;
}

.diagram-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--display);
  font-weight: 700;
  color: var(--ink);
}

.intent-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-xs);
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 600;
}

.intent-trans { background: rgba(44, 195, 107, 0.15); color: var(--brass-deep); }
.intent-comm  { background: rgba(59, 130, 246, 0.15); color: #2563eb; }
.intent-info  { background: rgba(168, 85, 247, 0.15); color: #7c3aed; }

.progress-bar-wrap {
  width: 100%;
  height: 8px;
  background: var(--line);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 0.35rem;
}

.progress-fill {
  height: 100%;
  background: var(--brass);
  border-radius: 4px;
}

.node-canvas {
  width: 100%;
  height: 210px;
}

@media (max-width: 900px) {
  .tab-visual-grid {
    grid-template-columns: 1fr;
  }
}

/* Contact Page Styles */
.contact-hero { padding: 6rem 0; text-align: center; }
.contact-card { max-width: 820px; margin: 1.5rem auto; background: var(--paper-card); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 2rem; box-shadow: var(--shadow); }
.contact-grid { display: grid; grid-template-columns: 1fr 360px; gap: 1.25rem; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-form .form-input, .contact-form .form-textarea { width: 100%; padding: 0.8rem; border: 1px solid var(--line); border-radius: 6px; }
.contact-info { font-size: 0.95rem; color: var(--ink); }
.btn-send { display: inline-flex; align-items: center; gap: 0.5rem; }