/* ==========================================================================
   TrimSaaS - Editorial & Sober Design System (CSS)
   Target: Performance >= 95, Clean contrast AA/AAA, 0 external dependencies
   ========================================================================== */

:root {
  /* Color Palette - Dark Navy & Slate Editorial */
  --bg-main: #0B1220;
  --bg-surface: #0F172A;
  --bg-surface-elevated: #1E293B;
  --bg-card: rgba(30, 41, 59, 0.6);

  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-dim: #64748B;

  --accent-primary: #38BDF8;
  --accent-soft: rgba(56, 189, 248, 0.12);
  --accent-border: rgba(56, 189, 248, 0.3);

  --border-color: rgba(148, 163, 184, 0.15);
  --border-hover: rgba(148, 163, 184, 0.35);

  --success: #34D399;
  --success-soft: rgba(52, 211, 153, 0.12);

  /* Typography System (0 External Tracking - Clean System Stack) */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-heading: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Layout & Spacing */
  --container-max-width: 1140px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 65px;
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

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

/* Number Formatting */
.tabular-nums, .metric-value, .breakdown-value, .price-value, .step-number {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(11, 18, 32, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 1.1rem 0;
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  font-family: var(--font-heading);
}

.brand-icon-svg {
  flex-shrink: 0;
  border-radius: 8px;
}

.brand-wordmark {
  font-size: 1.35rem;
  line-height: 1;
  display: flex;
  align-items: baseline;
}

.wm-trim {
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-main);
}

.wm-saas {
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--accent-primary);
}

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

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.938rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--text-main);
}

/* Buttons & CTAs */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.938rem;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--text-main);
  color: var(--bg-main);
}

.btn-primary:hover {
  background-color: #E2E8F0;
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-surface-elevated);
  color: var(--text-main);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background-color: #2D3748;
  border-color: var(--border-hover);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-block {
  width: 100%;
}

.btn-link {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.938rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color var(--transition-fast);
}

.btn-link:hover {
  color: var(--accent-primary);
}

/* Badges */
.badge-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  font-size: 0.813rem;
  font-weight: 500;
  color: var(--text-muted);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--success);
}

/* Hero Section */
.hero-section {
  padding: 5rem 0 4rem 0;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  line-height: 1.22;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-main);
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

/* Hero Card (Metrics) */
.metrics-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.card-tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-primary);
}

.card-status {
  font-size: 0.813rem;
  color: var(--text-dim);
}

.calculator-controls {
  margin-bottom: 1.25rem;
  background-color: var(--bg-main);
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.calc-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
  font-size: 0.844rem;
  color: var(--text-main);
  font-weight: 600;
}

.calc-val-badge {
  color: var(--accent-primary);
  background-color: var(--accent-soft);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.813rem;
  font-weight: 700;
}

.range-slider {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  border-radius: 3px;
  background: var(--bg-surface-elevated);
  outline: none;
  cursor: pointer;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-primary);
  cursor: pointer;
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.5);
  transition: transform var(--transition-fast);
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.card-metric-main {
  margin-bottom: 1.25rem;
}

.metric-label {
  display: block;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.metric-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1;
}

.metric-period {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-dim);
}

.card-deliverable-title {
  margin-bottom: 1rem;
}

.deliverable-badge-row {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.4rem;
}

.badge-deliverable {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-primary);
  background-color: var(--accent-soft);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--accent-border);
}

.breakdown-status-tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--success);
  background-color: var(--success-soft);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.card-divider {
  height: 1px;
  background-color: var(--border-color);
  margin: 1.25rem 0;
}

.card-breakdown {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.breakdown-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
}

.breakdown-name {
  display: block;
  font-weight: 600;
  color: var(--text-main);
}

.breakdown-sub {
  display: block;
  font-size: 0.781rem;
  color: var(--text-dim);
}

.breakdown-value {
  font-weight: 600;
  color: var(--success);
}

.card-footer-note {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--border-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.781rem;
  color: var(--text-dim);
}

/* Standard Section Layout */
.section {
  padding: 5rem 0;
  border-top: 1px solid var(--border-color);
}

.section-header {
  margin-bottom: 3rem;
  max-width: 680px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.section-lead {
  font-size: 1.063rem;
  color: var(--text-muted);
}

/* Grids */
.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

/* Cards */
.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: border-color var(--transition-normal);
}

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

.card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background-color: var(--accent-soft);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.card-icon svg {
  width: 22px;
  height: 22px;
}

.problem-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.problem-card p {
  font-size: 0.938rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.problem-example {
  font-size: 0.813rem;
  color: var(--text-dim);
  background-color: var(--bg-main);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border-left: 2px solid var(--accent-primary);
}

/* Process Timeline */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  position: relative;
}

.timeline-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1.5rem;
  align-items: start;
}

.step-number {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-dim);
  line-height: 1;
  opacity: 0.6;
}

.step-content {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
}

.step-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: 0.5rem;
}

.step-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.step-content p {
  color: var(--text-muted);
  font-size: 0.938rem;
  margin-bottom: 0.75rem;
}

.step-note {
  display: block;
  font-size: 0.813rem;
  color: var(--text-dim);
  font-style: italic;
  margin-bottom: 0.4rem;
}

.step-disclaimer-small {
  font-size: 0.781rem;
  color: var(--text-dim);
  border-top: 1px dashed var(--border-color);
  padding-top: 0.6rem;
  margin-top: 0.6rem;
  line-height: 1.4;
}

/* Commercial Model Box */
.model-box {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3rem;
}

.model-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 3rem auto;
}

.model-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--success);
  margin-bottom: 0.5rem;
}

.model-title {
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.model-lead {
  color: var(--text-muted);
  font-size: 1.063rem;
}

.model-grid {
  margin-bottom: 2rem;
}

.model-card {
  background-color: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  position: relative;
}

.model-card-highlight {
  border-color: var(--accent-border);
  background-color: rgba(56, 189, 248, 0.03);
}

.highlight-badge {
  position: absolute;
  top: -12px;
  right: 1.5rem;
  background-color: var(--accent-primary);
  color: var(--bg-main);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  text-transform: uppercase;
}

.model-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.price-callout {
  margin-bottom: 1rem;
}

.price-value {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-main);
  display: block;
  line-height: 1.1;
}

.price-sub {
  font-size: 0.813rem;
  color: var(--text-dim);
}

.model-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.disclaimer-box {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  padding: 1.25rem;
  background-color: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  font-size: 0.813rem;
  color: var(--text-muted);
}

.disclaimer-icon {
  width: 18px;
  height: 18px;
  color: var(--text-dim);
  flex-shrink: 0;
  margin-top: 2px;
}

/* Tools Grid */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
}

.tool-chip {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-size: 0.938rem;
  color: var(--text-main);
  transition: border-color var(--transition-fast);
}

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

.tool-icon {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
}

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

.faq-item {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
}

.faq-item h3 {
  font-size: 1.063rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.faq-item p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Contact Form Section */
.contact-section {
  background-color: var(--bg-surface);
}

.contact-container {
  max-width: 680px;
}

.contact-card {
  background-color: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3rem;
}

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

.contact-header h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.contact-header p {
  color: var(--text-muted);
  font-size: 0.938rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="number"] {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.938rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-group input:focus {
  border-color: var(--accent-primary);
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem;
  margin-top: 0.2rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.844rem;
  color: var(--text-muted);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  accent-color: var(--accent-primary);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.form-microcopy {
  font-size: 0.781rem;
  color: var(--text-dim);
  text-align: center;
}

.direct-email-box {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.email-link {
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
}

.email-link:hover {
  text-decoration: underline;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-color);
  padding: 3rem 0;
  background-color: var(--bg-main);
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.footer-brand .brand-name {
  font-weight: 700;
  font-size: 1.125rem;
  margin-bottom: 0.4rem;
  display: block;
}

.footer-tagline {
  font-size: 0.844rem;
  color: var(--text-dim);
  max-width: 320px;
}

.footer-meta {
  text-align: right;
  font-size: 0.813rem;
  color: var(--text-dim);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.footer-legal-links a,
.legal-inline-link {
  color: var(--text-muted);
  text-decoration: underline;
  transition: color var(--transition-fast);
}

.footer-legal-links a:hover,
.legal-inline-link:hover {
  color: var(--accent-primary);
}

.privacy-consent-label {
  align-items: flex-start;
  font-size: 0.781rem;
  line-height: 1.4;
  margin-top: 0.4rem;
}

.gdpr-first-layer {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  line-height: 1.45;
  color: var(--text-dim);
}

.gdpr-first-layer a {
  color: var(--text-muted);
  text-decoration: underline;
}

.gdpr-first-layer a:hover {
  color: var(--accent-primary);
}

/* Legal Pages Styling */
.legal-page {
  padding: 4rem 1.5rem 6rem 1.5rem;
  max-width: 800px;
}

.legal-content h1 {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.legal-date {
  font-size: 0.844rem;
  color: var(--text-dim);
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.legal-content section {
  margin-bottom: 2rem;
}

.legal-content h2 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.75rem;
}

.legal-content p,
.legal-content ul {
  font-size: 0.938rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 0.75rem;
}

.legal-content ul {
  padding-left: 1.25rem;
}

.legal-content a {
  color: var(--accent-primary);
  text-decoration: none;
}

.legal-content a:hover {
  text-decoration: underline;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  .faq-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .site-nav {
    display: none;
  }

  .hero-title {
    font-size: 2rem;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .checkbox-grid {
    grid-template-columns: 1fr;
  }

  .timeline-step {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .step-number {
    font-size: 1.5rem;
  }

  .model-box, .contact-card {
    padding: 1.75rem;
  }

  .footer-container {
    flex-direction: column;
    gap: 1.5rem;
  }

  .footer-meta {
    text-align: left;
  }
}