/* Opium AI Landing — Matte Black & Electric Blue palette */

:root {
  /* Official palette */
  --color-bg: #0D0D0D;
  --color-surface: #2B2B2B;
  --color-border: #2B2B2B;
  --color-text: #F5F5F5;
  --color-text-muted: #b0b0b0;
  --color-electric-blue: #007BFF;
  --color-electric-blue-dim: rgba(0, 123, 255, 0.18);
  --color-electric-blue-glow: rgba(0, 123, 255, 0.35);
  --color-neon-cyan: #00E6FF;
  --color-neon-cyan-dim: rgba(0, 230, 255, 0.12);
  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", monospace;
  --radius: 12px;
  --transition-duration: 0.5s;
  --transition-fast: 0.35s;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(13, 13, 13, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-fast) ease;
}

.site-header:hover {
  box-shadow: 0 0 24px var(--color-electric-blue-glow);
}

.header-inner {
  max-width: 1024px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.02em;
  transition: color var(--transition-fast) ease, text-shadow var(--transition-fast) ease;
}

.logo:hover {
  color: var(--color-electric-blue);
  text-shadow: 0 0 20px var(--color-electric-blue-glow);
}

.nav {
  display: flex;
  gap: 1.5rem;
}

.nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color var(--transition-fast) ease, box-shadow var(--transition-fast) ease;
}

.nav a:hover {
  color: var(--color-electric-blue);
}

/* Hero */
.hero {
  padding: 4rem 1.5rem 3rem;
}

.hero-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-electric-blue);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
  animation: fadeInDown 0.6s ease-out;
  transition: color var(--transition-fast) ease, text-shadow var(--transition-fast) ease;
}

.hero-badge:hover {
  color: var(--color-neon-cyan);
  text-shadow: 0 0 16px var(--color-neon-cyan-dim);
}

.hero-title {
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin: 0 0 1.25rem;
  color: var(--color-text);
  animation: fadeInUp 0.6s ease-out 0.1s both;
}

.hero-lead {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin: 0;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
  animation: fadeInUp 0.6s ease-out 0.3s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-fast) ease, color var(--transition-fast) ease, box-shadow var(--transition-fast) ease, transform 0.2s ease;
}

.btn:focus-visible {
  outline: 2px solid var(--color-electric-blue);
  outline-offset: 2px;
}

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

.btn-primary:hover {
  background: #0066dd;
  box-shadow: 0 0 24px var(--color-electric-blue-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-electric-blue);
  border: 2px solid var(--color-electric-blue);
}

.btn-secondary:hover {
  background: var(--color-electric-blue-dim);
  color: var(--color-neon-cyan);
  border-color: var(--color-neon-cyan);
  box-shadow: 0 0 16px var(--color-neon-cyan-dim);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Sections common */
.section-inner {
  max-width: 1024px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
  color: var(--color-text);
}

.section-title::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  margin-top: 0.5rem;
  background: linear-gradient(90deg, var(--color-electric-blue), var(--color-neon-cyan));
  border-radius: 2px;
  animation: lineReveal 0.5s ease-out both;
}

@keyframes lineReveal {
  from {
    opacity: 0;
    transform: scaleX(0);
    transform-origin: left;
  }
  to {
    opacity: 1;
    transform: scaleX(1);
    transform-origin: left;
  }
}

.section-lead {
  color: var(--color-text-muted);
  margin: 0;
  font-size: 1rem;
}

/* How It Works */
.how-it-works .section-lead {
  margin-bottom: 2rem;
}

.steps {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

.step {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color var(--transition-fast) ease, box-shadow var(--transition-fast) ease;
}

.step:hover {
  border-color: rgba(0, 123, 255, 0.4);
  box-shadow: 0 0 20px var(--color-electric-blue-glow);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--color-electric-blue);
  color: var(--color-bg);
  font-weight: 700;
  font-size: 1.125rem;
  border-radius: 50%;
  margin-bottom: 1rem;
}

.step-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  color: var(--color-text);
}

.step-desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.5;
}

/* Key Features */
.features-section .section-lead {
  margin-bottom: 2rem;
}

.features-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 500px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color var(--transition-fast) ease, box-shadow var(--transition-fast) ease;
}

.feature-card:hover {
  border-color: rgba(0, 123, 255, 0.4);
  box-shadow: 0 0 16px var(--color-electric-blue-glow);
}

.feature-icon {
  font-size: 1.5rem;
  display: block;
  margin-bottom: 0.75rem;
}

.feature-title {
  font-size: 1.0625rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  color: var(--color-text);
}

.feature-desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.5;
}

/* Section scroll-in animation */
.section-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease-out, transform 0.55s ease-out;
}

.section-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Security & Privacy */
.security-section .section-lead {
  margin-bottom: 2rem;
}

.security-grid {
  display: grid;
  gap: 0.75rem;
}

.security-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition-fast) ease, box-shadow var(--transition-fast) ease;
}

.security-card:nth-child(1) { animation: cardFadeIn 0.5s ease-out 0.1s both; }
.security-card:nth-child(2) { animation: cardFadeIn 0.5s ease-out 0.15s both; }
.security-card:nth-child(3) { animation: cardFadeIn 0.5s ease-out 0.2s both; }
.security-card:nth-child(4) { animation: cardFadeIn 0.5s ease-out 0.25s both; }

@keyframes cardFadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.security-card:hover {
  border-color: rgba(0, 123, 255, 0.4);
  box-shadow: 0 0 20px var(--color-electric-blue-glow);
}

.security-card-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  text-align: left;
  transition: background-color var(--transition-fast) ease, color var(--transition-fast) ease;
}

.security-card-trigger:hover {
  background: rgba(0, 123, 255, 0.08);
  color: var(--color-electric-blue);
}

.security-card-trigger:focus-visible {
  outline: 2px solid var(--color-electric-blue);
  outline-offset: 2px;
}

.security-card-trigger[aria-expanded="true"] {
  background: var(--color-electric-blue-dim);
  color: var(--color-electric-blue);
}

.security-card-trigger[aria-expanded="true"] .security-card-chevron {
  transform: rotate(180deg);
  filter: drop-shadow(0 0 6px var(--color-electric-blue-glow));
}

.security-card-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
  transition: transform var(--transition-fast) ease;
}

.security-card:hover .security-card-icon {
  transform: scale(1.08);
}

.security-card-title {
  flex: 1;
}

.security-card-chevron {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23007BFF'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E") center/contain no-repeat;
  transition: transform var(--transition-duration) ease;
}

.security-card-trigger:hover .security-card-chevron {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300E6FF'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
}

/* Content panel — hidden by default, revealed with animation */
.security-card-content {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: max-height 0.4s ease, opacity 0.5s ease, transform 0.5s ease, visibility 0s linear 0.5s;
}

.security-card-content.is-visible {
  max-height: 500px;
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  padding: 0 1.25rem 1.25rem 3.25rem;
  transition: max-height 0.5s ease, opacity 0.5s ease, transform 0.5s ease, visibility 0s;
}

.security-card-content p,
.security-card-content ul {
  margin: 0 0 0.75rem;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.security-card-content p:last-child,
.security-card-content ul:last-child {
  margin-bottom: 0;
}

.security-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.security-list li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.5rem;
}

.security-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-electric-blue);
  box-shadow: 0 0 8px var(--color-electric-blue-glow);
}

/* Use Cases */
.use-cases-section .section-lead {
  margin-bottom: 2rem;
}

.use-cases-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 500px) {
  .use-cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 800px) {
  .use-cases-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.use-case-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color var(--transition-fast) ease, box-shadow var(--transition-fast) ease;
}

.use-case-card:hover {
  border-color: rgba(0, 123, 255, 0.4);
  box-shadow: 0 0 16px var(--color-electric-blue-glow);
}

.use-case-icon {
  font-size: 1.5rem;
  display: block;
  margin-bottom: 0.75rem;
}

.use-case-title {
  font-size: 1.0625rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  color: var(--color-text);
}

.use-case-desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.5;
}

/* Comparison table */
.compare-section .section-lead {
  margin-bottom: 2rem;
}

.compare-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.compare-table th,
.compare-table td {
  padding: 1rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.compare-table th {
  background: var(--color-surface);
  color: var(--color-text);
  font-weight: 600;
}

.compare-table th:first-child {
  border-radius: var(--radius) 0 0 0;
}

.compare-table th:last-child {
  border-radius: 0 var(--radius) 0 0;
}

.compare-table tbody tr:last-child td {
  border-bottom: none;
}

.compare-table td:first-child {
  color: var(--color-text-muted);
}

.compare-yes {
  color: var(--color-electric-blue);
  font-weight: 600;
}

.compare-no {
  color: var(--color-text-muted);
  opacity: 0.7;
}

/* Testimonials */
.testimonials-section .section-lead {
  margin-bottom: 2rem;
}

.testimonials-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.testimonial-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin: 0;
  border-left: 3px solid var(--color-electric-blue);
  transition: border-color var(--transition-fast) ease, box-shadow var(--transition-fast) ease;
}

.testimonial-card:hover {
  box-shadow: 0 0 20px var(--color-electric-blue-glow);
}

.testimonial-quote {
  font-size: 0.9375rem;
  color: var(--color-text);
  margin: 0 0 1rem;
  line-height: 1.6;
  font-style: italic;
}

.testimonial-author {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
  border-top: 1px solid var(--color-border);
  padding: 4rem 1.5rem;
}

.cta-inner {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.cta-title {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  margin: 0 0 0.75rem;
  color: var(--color-text);
}

.cta-lead {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  margin: 0 0 1.5rem;
  line-height: 1.5;
}

.cta-section .btn-large {
  display: inline-flex;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 2.5rem 1.5rem;
  background: var(--color-bg);
}

.footer-inner {
  max-width: 1024px;
  margin: 0 auto;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .footer-inner {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    align-items: start;
  }

  .footer-nav {
    grid-column: 2;
    grid-row: 1 / 3;
    text-align: right;
  }
}

.footer-brand .logo {
  display: inline-block;
  margin-bottom: 0.25rem;
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin: 0 0 1rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
}

.footer-nav a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast) ease;
}

.footer-nav a:hover {
  color: var(--color-electric-blue);
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin: 0;
  grid-column: 1;
}

@media (min-width: 640px) {
  .security-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .security-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ========== Product Page ========== */
.product-page .nav-active {
  color: var(--color-electric-blue);
}

.product-hero {
  padding: 3rem 1.5rem 2.5rem;
}

.product-hero-badge {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-electric-blue);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.product-hero-title {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  color: var(--color-text);
  max-width: 720px;
}

.product-hero-lead {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  margin: 0 0 1.5rem;
  max-width: 640px;
  line-height: 1.6;
}

/* Product sections spacing */
.product-section {
  padding-top: 0.5rem;
}

.product-section .section-lead {
  margin-bottom: 1.5rem;
}

/* Document AI Capabilities */
.capabilities-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .capabilities-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.capability-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color var(--transition-fast) ease, box-shadow var(--transition-fast) ease;
}

.capability-card:hover {
  border-color: rgba(0, 123, 255, 0.4);
  box-shadow: 0 0 16px var(--color-electric-blue-glow);
}

.capability-icon {
  font-size: 1.5rem;
  display: block;
  margin-bottom: 0.75rem;
}

.capability-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  color: var(--color-text);
}

.capability-desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.55;
}

/* AI Grounding System */
.grounding-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  border-left: 4px solid var(--color-electric-blue);
}

.grounding-block p {
  margin: 0 0 1rem;
  font-size: 1rem;
  color: var(--color-text);
  line-height: 1.6;
}

.grounding-block p:last-of-type {
  margin-bottom: 0;
}

.grounding-list {
  margin: 0 0 1rem;
  padding-left: 1.5rem;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.grounding-list li {
  margin-bottom: 0.35rem;
}

.grounding-block strong {
  color: var(--color-electric-blue);
}

/* Supported Documents */
.supported-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .supported-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.supported-formats,
.supported-types {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.supported-subtitle {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.75rem;
  color: var(--color-electric-blue);
}

.supported-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.supported-list li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.5rem;
}

.supported-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-electric-blue);
}

/* Example Workflows */
.workflows-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .workflows-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.workflow-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color var(--transition-fast) ease, box-shadow var(--transition-fast) ease;
}

.workflow-card:hover {
  border-color: rgba(0, 123, 255, 0.4);
  box-shadow: 0 0 16px var(--color-electric-blue-glow);
}

.workflow-title {
  font-size: 1.0625rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  color: var(--color-text);
}

.workflow-desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.55;
}

/* Features & Controls list */
.controls-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.control-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  transition: border-color var(--transition-fast) ease, box-shadow var(--transition-fast) ease;
}

.control-card:hover {
  border-color: rgba(0, 123, 255, 0.3);
  box-shadow: 0 0 12px var(--color-electric-blue-glow);
}

.control-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  color: var(--color-electric-blue);
}

.control-desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.55;
}

/* Product CTA */
.product-cta {
  padding: 3rem 1.5rem;
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
  border-top: 1px solid var(--color-border);
}

.product-cta .section-inner {
  text-align: center;
}

.product-cta .cta-title {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  font-weight: 600;
  margin: 0 0 1rem;
  color: var(--color-text);
}

/* ========== Security & Privacy Page ========== */
.security-page .nav-active {
  color: var(--color-electric-blue);
}

.security-hero {
  padding: 3rem 1.5rem 2rem;
}

.security-hero-badge {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-electric-blue);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.security-hero-title {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  color: var(--color-text);
  max-width: 720px;
}

.security-hero-lead {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  margin: 0;
  max-width: 640px;
  line-height: 1.6;
}

.security-section {
  padding-top: 0.5rem;
  padding-bottom: 1rem;
}

.security-content-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem 2rem;
  border-left: 4px solid var(--color-electric-blue);
}

.security-content-block p {
  margin: 0 0 1rem;
  font-size: 1rem;
  color: var(--color-text);
  line-height: 1.65;
}

.security-content-block p:last-child {
  margin-bottom: 0;
}

.security-content-block p strong {
  color: var(--color-electric-blue);
}

.security-detail-list {
  margin: 0 0 1rem;
  padding-left: 1.5rem;
  color: var(--color-text);
  font-size: 1rem;
  line-height: 1.65;
}

.security-detail-list li {
  margin-bottom: 0.5rem;
}

.security-detail-list li strong {
  color: var(--color-neon-cyan);
}

/* Security architecture diagram */
.architecture-diagram {
  margin: 1.5rem 0;
  padding: 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow-x: auto;
}

.architecture-svg {
  width: 100%;
  max-width: 800px;
  height: auto;
  display: block;
  margin: 0 auto;
}

.architecture-svg .arch-box {
  fill: var(--color-surface);
  stroke: var(--color-border);
  stroke-width: 1.5;
}

.architecture-svg .arch-user,
.architecture-svg .arch-api {
  fill: rgba(0, 123, 255, 0.08);
  stroke: var(--color-electric-blue);
}

.architecture-svg .arch-process {
  fill: rgba(0, 230, 255, 0.06);
  stroke: var(--color-neon-cyan);
}

.architecture-svg .arch-storage {
  fill: rgba(0, 123, 255, 0.06);
  stroke: var(--color-electric-blue);
}

.architecture-svg .arch-wipe {
  fill: rgba(0, 123, 255, 0.12);
  stroke: var(--color-electric-blue);
}

.architecture-svg .arch-text {
  fill: var(--color-text);
  font-family: var(--font-sans);
  text-anchor: middle;
  font-size: 12px;
}

.architecture-svg .arch-title {
  font-weight: 600;
  font-size: 13px;
}

.architecture-svg .arch-sub {
  fill: var(--color-text-muted);
  font-size: 11px;
}

.architecture-svg .arch-label {
  fill: var(--color-text-muted);
  font-size: 10px;
}

.architecture-legend {
  margin-top: 1rem;
  padding: 1rem 1.25rem;
  background: rgba(0, 123, 255, 0.06);
  border-radius: var(--radius);
  border: 1px solid rgba(0, 123, 255, 0.2);
}

.architecture-legend p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.architecture-legend strong {
  color: var(--color-text);
}

/* Security page CTA */
.security-cta {
  padding: 3rem 1.5rem;
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
  border-top: 1px solid var(--color-border);
}

.security-cta .section-inner {
  text-align: center;
}

.security-cta .cta-title {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  font-weight: 600;
  margin: 0 0 0.5rem;
  color: var(--color-text);
}

.security-cta .cta-lead {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin: 0 0 1rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* How It Works — pipeline flow */
.pipeline-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem 0.75rem;
  margin: 1.5rem 0;
  padding: 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.pipeline-step {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: rgba(0, 123, 255, 0.1);
  border: 1px solid rgba(0, 123, 255, 0.3);
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
}

.pipeline-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  background: var(--color-electric-blue);
  color: var(--color-bg);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 50%;
}

.pipeline-arrow {
  color: var(--color-electric-blue);
  font-size: 1.25rem;
}

.pipeline-detail {
  margin-top: 1rem;
}

.pipeline-detail p {
  margin-bottom: 0.5rem;
}

/* Use Cases — detail blocks */
.use-case-detail {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  border-left: 4px solid var(--color-electric-blue);
}

.use-case-subtitle {
  font-size: 1rem;
  font-weight: 600;
  margin: 1rem 0 0.5rem;
  color: var(--color-electric-blue);
}

.use-case-detail .use-case-subtitle:first-child {
  margin-top: 0;
}

.use-case-detail p {
  margin: 0 0 0.75rem;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Pricing */
.pricing-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

/* Give pricing cards more room on desktop */
.pricing-page .section-inner {
  max-width: 1320px;
}

@media (min-width: 640px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .pricing-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.pricing-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: border-color var(--transition-fast) ease, box-shadow var(--transition-fast) ease;
}

.pricing-card:hover {
  border-color: rgba(0, 123, 255, 0.4);
  box-shadow: 0 0 20px var(--color-electric-blue-glow);
}

.pricing-card-featured {
  border-color: var(--color-electric-blue);
  box-shadow: 0 0 24px var(--color-electric-blue-glow);
}

.pricing-badge {
  position: absolute;
  top: -0.5rem;
  right: 1rem;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-electric-blue);
  background: var(--color-bg);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.pricing-name {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  color: var(--color-text);
}

.pricing-desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin: 0 0 1rem;
  line-height: 1.5;
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.pricing-features li {
  margin-bottom: 0.5rem;
  padding-left: 1.25rem;
  position: relative;
}

.pricing-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-electric-blue);
}

.pricing-cta {
  width: 100%;
  justify-content: center;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin: 1rem 0 0.25rem;
}

.pricing-amount {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text);
}

.pricing-period {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.pricing-note {
  margin: 0 0 1.25rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.pricing-compare {
  margin-top: 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.pricing-compare-grid {
  display: grid;
  grid-template-columns: 1.1fr repeat(4, 1fr);
}

.pc-cell {
  padding: 0.9rem 0.9rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.pc-head {
  border-top: none;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
  background: rgba(0, 123, 255, 0.06);
}

.pc-feature {
  color: var(--color-text);
}

.pc-plan {
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.pc-sub {
  margin: 0.25rem 0 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.pc-center {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}

.pc-featured {
  background: rgba(0, 123, 255, 0.10);
}

.pc-icon {
  display: inline-block;
  width: 18px;
  height: 18px;
  border-radius: 999px;
}

.pc-check {
  background: var(--color-electric-blue);
  box-shadow: 0 0 18px var(--color-electric-blue-glow);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='white' d='M20 6L9 17l-5-5 1.4-1.4L9 14.2 18.6 4.6z'/%3E%3C/svg%3E") center / 70% 70% no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='white' d='M20 6L9 17l-5-5 1.4-1.4L9 14.2 18.6 4.6z'/%3E%3C/svg%3E") center / 70% 70% no-repeat;
}

.pc-minus {
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.16);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='white' d='M5 11h14v2H5z'/%3E%3C/svg%3E") center / 70% 70% no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='white' d='M5 11h14v2H5z'/%3E%3C/svg%3E") center / 70% 70% no-repeat;
}

.pricing-footnote {
  margin: 0;
  padding: 0.9rem 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

@media (max-width: 820px) {
  .pricing-compare-grid {
    grid-template-columns: 1fr;
  }
  .pc-head.pc-feature {
    display: none;
  }
  .pc-cell.pc-feature {
    padding-top: 1.1rem;
    padding-bottom: 0.6rem;
    background: rgba(255, 255, 255, 0.02);
  }
  .pc-center {
    justify-content: flex-start;
  }
}

/* Blog */
.blog-list {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .blog-list {
    grid-template-columns: repeat(3, 1fr);
  }
}

.blog-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color var(--transition-fast) ease, box-shadow var(--transition-fast) ease;
}

.blog-card:hover {
  border-color: rgba(0, 123, 255, 0.3);
  box-shadow: 0 0 16px var(--color-electric-blue-glow);
}

.blog-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  color: var(--color-text);
  line-height: 1.35;
}

.blog-excerpt {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin: 0 0 0.75rem;
  line-height: 1.55;
}

.blog-meta {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-electric-blue);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Legal pages */
.legal-content {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem 2rem;
}

.legal-content h2 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 1.5rem 0 0.5rem;
  color: var(--color-text);
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p {
  margin: 0 0 0.75rem;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

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

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