/* ============================================================
   NeuralConfig Business Design System
   ============================================================ */

/* --- Fonts --- */
@font-face {
  font-family: 'Satoshi';
  src: url('/fonts/satoshi-variable.woff2') format('woff2');
  font-weight: 300 900;
  font-display: swap;
  font-style: normal;
}
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500&family=JetBrains+Mono:wght@400&family=Orbitron:wght@700&display=swap');

/* --- Color Tokens --- */

/* Dark theme (default) */
:root {
  --bg-base: #0B1120;
  --bg-surface-1: #131B2E;
  --bg-surface-2: #1C2540;
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.15);
  --text-heading: #F0F4F8;
  --text-body: #94A3B8;
  --text-muted: #64748B;
  --accent-teal: #3ECFB2;
  --accent-blue: #5B8DEF;
  --accent-warning: #FBBF24;
  --accent-error: #f14c4c;
  --btn-primary-bg: #ffffff;
  --btn-primary-text: #0a0a0a;
  --nav-bg: rgba(11, 17, 32, 0.8);
  --nav-border: rgba(255, 255, 255, 0.08);
  --card-bg: rgba(255, 255, 255, 0.03);
  --card-border: rgba(255, 255, 255, 0.08);
  --card-border-hover: rgba(255, 255, 255, 0.15);
  --glow-teal: rgba(62, 207, 178, 0.08);
  --glow-teal-strong: rgba(62, 207, 178, 0.25);
  --accent-purple: #7b2ff7;
  --accent-purple-ghost: rgba(123, 47, 247, 0.28);
}

/* Light theme — system preference */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg-base: #ffffff;
    --bg-surface-1: #f7f8fa;
    --bg-surface-2: #eef1f5;
    --border: #d7dde6;
    --border-hover: #b0bac5;
    --text-heading: #0b1220;
    --text-body: #334155;
    --text-muted: #64748B;
    --accent-teal: #0f766e;
    --accent-blue: #2b6cb0;
    --accent-warning: #b45309;
    --accent-error: #dc2626;
    --btn-primary-bg: #0a0a0a;
    --btn-primary-text: #ffffff;
    --nav-bg: rgba(255, 255, 255, 0.85);
    --nav-border: rgba(0, 0, 0, 0.08);
    --card-bg: rgba(0, 0, 0, 0.02);
    --card-border: rgba(0, 0, 0, 0.08);
    --card-border-hover: rgba(0, 0, 0, 0.15);
    --glow-teal: rgba(15, 118, 110, 0.15);
    --glow-teal-strong: rgba(15, 118, 110, 0.25);
    --accent-purple: #6d28d9;
    --accent-purple-ghost: rgba(109, 40, 217, 0.25);
  }
}

/* Light theme — explicit toggle */
[data-theme="light"] {
  --bg-base: #ffffff;
  --bg-surface-1: #f7f8fa;
  --bg-surface-2: #eef1f5;
  --border: #d7dde6;
  --border-hover: #b0bac5;
  --text-heading: #0b1220;
  --text-body: #334155;
  --text-muted: #64748B;
  --accent-teal: #0f766e;
  --accent-blue: #2b6cb0;
  --accent-warning: #b45309;
  --accent-error: #dc2626;
  --btn-primary-bg: #0a0a0a;
  --btn-primary-text: #ffffff;
  --nav-bg: rgba(255, 255, 255, 0.85);
  --nav-border: rgba(0, 0, 0, 0.08);
  --card-bg: rgba(0, 0, 0, 0.02);
  --card-border: rgba(0, 0, 0, 0.08);
  --card-border-hover: rgba(0, 0, 0, 0.15);
  --glow-teal: rgba(15, 118, 110, 0.15);
  --glow-teal-strong: rgba(62, 207, 178, 0.25);
  --accent-purple: #6d28d9;
  --accent-purple-ghost: rgba(109, 40, 217, 0.25);
}

/* --- Reset & Base --- */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: clamp(16px, 1rem + 0.25vw, 18px);
  line-height: 1.6;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: var(--text-body);
  background-color: var(--bg-base);
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Satoshi', -apple-system, sans-serif;
  color: var(--text-heading);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

code, .mono, .tech-badge {
  font-family: 'JetBrains Mono', monospace;
}

/* --- Layout --- */

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

.section {
  padding: 96px 0;
}

@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }
}

.section--surface {
  background-color: var(--bg-surface-1);
}

/* --- Navigation --- */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 64px;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--nav-border);
  display: flex;
  align-items: center;
}

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

.nav__logo {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: 'Orbitron', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent-teal);
  white-space: nowrap;
}

.nav__logo-bracket {
  color: #CC7722;
  opacity: 0.5;
}

.nav__logo-icon {
  color: var(--accent-teal);
  flex-shrink: 0;
  display: block;
  filter: drop-shadow(0 0 5px rgba(62,207,178,0.4)) drop-shadow(0 0 12px rgba(123,47,247,0.15));
}

[data-theme="light"] .nav__logo-icon {
  color: #a86318;
  filter: none;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .nav__logo-icon {
    color: #a86318;
    filter: none;
  }
}

/* Chip icon elements */
.chip-outline {
  stroke: var(--accent-purple);
  opacity: 0.55;
}

.ghost-line {
  stroke: var(--accent-purple);
  opacity: 0.28;
}

.ghost-node {
  fill: var(--accent-purple);
  opacity: 0.38;
}

/* Hero chip icon */
.hero__chip-icon {
  display: block;
  margin: 0 auto 24px;
  filter: drop-shadow(0 0 20px rgba(62, 207, 178, 0.35)) drop-shadow(0 0 40px rgba(123, 47, 247, 0.15));
}

[data-theme="light"] .hero__chip-icon {
  filter: none;
}

[data-theme="light"] .icon-glow {
  display: none;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .hero__chip-icon {
    filter: none;
  }
  :root:not([data-theme="dark"]) .icon-glow {
    display: none;
  }
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav__link {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 8px;
  transition: color 150ms ease, background-color 150ms ease;
}

.nav__link:hover {
  color: var(--text-heading);
  background-color: var(--card-bg);
}

/* Products dropdown */
.nav__dropdown {
  position: relative;
}

.nav__dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  background: none;
  border: none;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 8px 12px;
  border-radius: 8px;
  transition: color 150ms ease, background-color 150ms ease;
}

.nav__dropdown-trigger:hover {
  color: var(--text-heading);
  background-color: var(--card-bg);
}

.nav__dropdown-trigger svg {
  width: 12px;
  height: 12px;
  transition: transform 200ms ease;
}

.nav__dropdown:hover .nav__dropdown-trigger svg,
.nav__dropdown:focus-within .nav__dropdown-trigger svg {
  transform: rotate(180deg);
}

.nav__dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 420px;
  background: var(--bg-surface-1);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 150ms ease, visibility 150ms ease;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.nav__dropdown:hover .nav__dropdown-menu,
.nav__dropdown:focus-within .nav__dropdown-menu {
  opacity: 1;
  visibility: visible;
}

.nav__dropdown-card {
  padding: 16px;
  border-radius: 8px;
  transition: background-color 150ms ease;
}

.nav__dropdown-card:hover {
  background-color: var(--card-bg);
}

.nav__dropdown-label {
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.nav__dropdown-title {
  font-family: 'Satoshi', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 4px;
}

.nav__dropdown-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Theme toggle */
.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-muted);
  transition: color 150ms ease, border-color 150ms ease;
}

.theme-toggle:hover {
  color: var(--text-heading);
  border-color: var(--border-hover);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
}

/* Mobile nav */
.nav__hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-heading);
  padding: 4px;
}

.nav__hamburger svg {
  width: 24px;
  height: 24px;
}

.nav__mobile-menu {
  display: none;
}

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

  .nav__hamburger {
    display: flex;
    align-items: center;
  }

  .nav__right {
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .nav__mobile-menu {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg-surface-1);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    z-index: 99;
  }

  .nav__mobile-menu.is-open {
    display: block;
  }

  .nav__mobile-menu a {
    display: block;
    padding: 12px 0;
    color: var(--text-body);
    font-weight: 500;
    border-bottom: 1px solid var(--border);
  }

  .nav__mobile-menu a:last-child {
    border-bottom: none;
  }
}

/* --- Hero --- */

.hero {
  padding: 120px 0 96px;
  position: relative;
  overflow: hidden;
}

@media (max-width: 768px) {
  .hero {
    padding: 80px 0 64px;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 60px 0 48px;
  }
}

.hero--full {
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  padding: 0;
}

.hero--full .container {
  width: 100%;
}

.hero__glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse at center, var(--glow-teal), transparent 70%);
  pointer-events: none;
  opacity: 1;
}

[data-theme="light"] .hero__glow {
  opacity: 0;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .hero__glow {
    opacity: 0;
  }
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}

.hero__headline {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: 20px;
}

.hero__subheadline {
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  color: var(--text-body);
  max-width: 640px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* --- Scroll Indicator --- */

.hero__scroll-hint {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
}

.hero__scroll-hint::before {
  content: '';
  display: block;
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, transparent, var(--accent-teal));
  opacity: 0.35;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .hero__scroll-hint {
    bottom: 16px;
  }
  .hero__scroll-hint::before {
    height: 28px;
  }
}

/* --- Buttons --- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 12px 24px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: transform 50ms ease, filter 150ms ease, box-shadow 150ms ease, background-color 150ms ease, border-color 150ms ease;
  text-decoration: none;
}

.btn:active {
  transform: scale(0.98);
}

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

.btn--primary:hover {
  filter: brightness(1.15);
}

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

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

.btn--teal {
  background: linear-gradient(135deg, var(--accent-teal), #0d9488);
  color: #ffffff;
  box-shadow: 0 0 20px var(--glow-teal-strong);
}

.btn--teal:hover {
  filter: brightness(1.1);
}

/* --- Cards --- */

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 32px;
  transition: border-color 200ms ease, transform 200ms ease;
}

.card:hover {
  border-color: var(--card-border-hover);
  transform: translateY(-2px);
}

/* --- Product Cards --- */

.product-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 768px) {
  .product-cards {
    grid-template-columns: 1fr;
  }
}

.product-card__label {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.product-card--blue .product-card__label {
  color: var(--accent-blue);
}

.product-card--teal .product-card__label {
  color: var(--accent-teal);
}

.product-card__title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.product-card__desc {
  color: var(--text-body);
  margin-bottom: 20px;
  line-height: 1.6;
}

.product-card__bullets {
  list-style: none;
  margin-bottom: 24px;
}

.product-card__bullets li {
  padding: 6px 0;
  padding-left: 20px;
  position: relative;
  font-size: 0.92rem;
  color: var(--text-body);
}

.product-card__bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  transform: translateY(-50%);
}

.product-card--blue .product-card__bullets li::before {
  background-color: var(--accent-blue);
}

.product-card--teal .product-card__bullets li::before {
  background-color: var(--accent-teal);
}

/* --- Credibility Strip --- */

.credibility {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
  padding: 32px 0;
}

.credibility__badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 8px 16px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  white-space: nowrap;
}

/* --- Section Typography --- */

.section__label {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-teal);
  margin-bottom: 12px;
}

.section__title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 16px;
}

.section__desc {
  max-width: 640px;
  line-height: 1.7;
  margin-bottom: 40px;
  color: var(--text-body);
}

/* --- Highlights / Feature List --- */

.highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

@media (max-width: 768px) {
  .highlights {
    grid-template-columns: 1fr;
  }
}

.highlight {
  padding: 24px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
}

.highlight__title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.highlight__desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* --- Open Source Project Cards --- */

.oss-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

@media (max-width: 768px) {
  .oss-grid {
    grid-template-columns: 1fr;
  }
}

.oss-card {
  padding: 24px;
}

.oss-card__name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--text-heading);
  margin-bottom: 6px;
}

.oss-card__desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* --- Final CTA Section --- */

.cta-section {
  text-align: center;
  padding: 96px 0;
}

.cta-section .section__title {
  margin-left: auto;
  margin-right: auto;
}

.cta-section .section__desc {
  margin-left: auto;
  margin-right: auto;
}

.cta-section__actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* --- Footer --- */

.footer {
  background: var(--bg-surface-1);
  border-top: 1px solid var(--border);
  padding: 32px 0;
}

.footer .container {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer a {
  color: var(--text-muted);
  transition: color 150ms ease;
}

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

.footer__sep {
  opacity: 0.4;
}

/* --- Scroll Animations --- */

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.stagger > .fade-in:nth-child(1) { transition-delay: 0ms; }
.stagger > .fade-in:nth-child(2) { transition-delay: 80ms; }
.stagger > .fade-in:nth-child(3) { transition-delay: 160ms; }
.stagger > .fade-in:nth-child(4) { transition-delay: 240ms; }
.stagger > .fade-in:nth-child(5) { transition-delay: 320ms; }
.stagger > .fade-in:nth-child(6) { transition-delay: 400ms; }

@media (prefers-reduced-motion: reduce) {
  .fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* --- Utility --- */

/* --- Code Block --- */

.code-block {
  background: #0a0e1a;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px 28px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.88rem;
  color: #e2e8f0;
  line-height: 1.7;
  overflow-x: auto;
  max-width: 480px;
}

[data-theme="light"] .code-block {
  background: #f1f5f9;
  color: #1e293b;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .code-block {
    background: #f1f5f9;
    color: #1e293b;
  }
}

.code-block .code-comment {
  color: var(--text-muted);
}

.code-block .code-cmd {
  color: var(--accent-teal);
}

/* --- How It Works Steps --- */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
  counter-reset: step;
}

.step {
  padding: 24px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  counter-increment: step;
}

.step__title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.step__title::before {
  content: counter(step) ". ";
  color: var(--accent-teal);
  font-family: 'JetBrains Mono', monospace;
  font-weight: 400;
}

.step__desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* --- Feature Grid (6 cards) --- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

@media (max-width: 900px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
}

.feature-card {
  padding: 28px;
}

.feature-card__title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card__desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.feature-card__badge {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--accent-teal);
  background: var(--glow-teal);
  padding: 2px 8px;
  border-radius: 4px;
  margin-left: 8px;
  vertical-align: middle;
}

/* --- Integrations Badges --- */

.integration-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.integration-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-body);
  padding: 8px 16px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
}

/* --- Pricing Table --- */

.pricing {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 32px;
}

@media (max-width: 700px) {
  .pricing {
    grid-template-columns: 1fr;
  }
}

.pricing-card {
  padding: 36px 32px;
  position: relative;
}

.pricing-card--featured {
  border-color: var(--accent-teal);
  box-shadow: 0 0 30px var(--glow-teal);
}

.pricing-card__name {
  font-family: 'Satoshi', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 4px;
}

.pricing-card__price {
  font-family: 'Satoshi', sans-serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 4px;
}

.pricing-card__price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-muted);
}

.pricing-card__annual {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.pricing-card__features {
  list-style: none;
  margin-bottom: 28px;
}

.pricing-card__features li {
  padding: 6px 0;
  padding-left: 22px;
  position: relative;
  font-size: 0.88rem;
  color: var(--text-body);
  line-height: 1.5;
}

.pricing-card__features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-teal);
  font-weight: 600;
}

/* --- FAQ Accordion --- */

.faq-list {
  max-width: 720px;
  margin-bottom: 32px;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item:first-child {
  border-top: 1px solid var(--border);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: none;
  border: none;
  padding: 20px 0;
  cursor: pointer;
  font-family: 'Satoshi', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-heading);
  text-align: left;
  line-height: 1.4;
}

.faq-question:hover {
  color: var(--accent-teal);
}

.faq-question svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform 200ms ease;
}

.faq-item.is-open .faq-question svg {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 300ms ease;
}

.faq-answer__inner {
  padding: 0 0 20px;
  font-size: 0.92rem;
  color: var(--text-body);
  line-height: 1.7;
}

.faq-item.is-open .faq-answer {
  max-height: 300px;
}

/* --- Stats Strip --- */

.stats-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 48px 0;
}

@media (max-width: 600px) {
  .stats-strip {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.stat {
  text-align: center;
}

.stat__number {
  font-family: 'Satoshi', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--accent-teal);
  line-height: 1;
  margin-bottom: 8px;
}

.stat__label {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* --- Pricing Tiers (compact, 3-col for StrandCalls) --- */

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

@media (max-width: 700px) {
  .pricing--three {
    grid-template-columns: 1fr;
  }
}

/* --- Phone Display --- */

.phone-vanity {
  font-family: 'Satoshi', sans-serif;
  font-weight: 700;
  color: var(--text-heading);
  line-height: 1.1;
  margin-bottom: 6px;
}

.phone-vanity__prefix {
  font-size: clamp(1.3rem, 2.5vw, 1.6rem);
}

.phone-vanity__highlight {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: var(--accent-teal);
}

.phone-numeric {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.88rem;
  margin-bottom: 4px;
}

.phone-numeric a {
  color: var(--text-muted);
  transition: color 150ms ease;
}

.phone-numeric a:hover {
  color: var(--accent-teal);
}

.phone-context {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* --- Service Cards (4 cards) --- */

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

@media (max-width: 768px) {
  .service-grid {
    grid-template-columns: 1fr;
  }
}

.service-card {
  padding: 32px;
}

.service-card__title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.service-card__desc {
  font-size: 0.92rem;
  color: var(--text-body);
  line-height: 1.7;
}

/* --- Engagement Cards (side by side) --- */

.engagement-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

@media (max-width: 768px) {
  .engagement-grid {
    grid-template-columns: 1fr;
  }
}

.engagement-card {
  padding: 32px;
  border-left: 3px solid var(--accent-teal);
}

.engagement-card:hover {
  border-left-color: var(--accent-teal);
}

.engagement-card__title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.engagement-card__desc {
  font-size: 0.92rem;
  color: var(--text-body);
  line-height: 1.7;
}

/* --- Contact Methods --- */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-card {
  padding: 32px;
  text-align: center;
}

.contact-card__icon {
  width: 40px;
  height: 40px;
  color: var(--accent-teal);
  margin: 0 auto 16px;
}

.contact-card__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.contact-card__value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  color: var(--accent-teal);
  margin-bottom: 8px;
  word-break: break-all;
}

.contact-card__value a {
  color: var(--accent-teal);
  transition: opacity 150ms ease;
}

.contact-card__value a:hover {
  opacity: 0.8;
}

.contact-card__desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* --- Open Source Category Section --- */

.oss-category {
  margin-bottom: 48px;
}

.oss-category__title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.oss-category__desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.5;
}

.oss-card__tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.tech-badge {
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-muted);
}

/* --- Contributions Graph --- */

.contributions-container {
  background: var(--bg-surface-2);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 24px 28px;
  overflow-x: auto;
}

.contributions-container .contrib-cell {
  transition: opacity 150ms ease;
}

.contributions-container .contrib-cell:hover {
  opacity: 0.75;
  stroke: var(--accent-teal);
  stroke-width: 1;
}

.contributions-loading {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
  padding: 32px 0;
}

/* --- Try It Live Section --- */

.try-live {
  text-align: center;
  padding: 48px 32px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  margin-bottom: 32px;
}

/* --- Utility --- */

.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-40 { margin-bottom: 40px; }