/* ======================================================================
   PAGE COMPONENTS — Evident Technologies
   Styles for interior pages: about, pricing, docs, faq, contact,
   solutions, terms, privacy, and all future content pages.

   Uses Gemstone Design Tokens from tokens.css.
   Matches the premium quality of the homepage.
   ====================================================================== */

/* ── Page Hero ──────────────────────────────────────────────────────── */

.page-hero {
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(2rem, 5vw, 4rem);
  text-align: center;
  background:
    radial-gradient(ellipse 700px 500px at 25% -5%, color-mix(in srgb, var(--gem-sapphire-flat, #1f3a99) 10%, transparent) 0%, transparent),
    radial-gradient(ellipse 500px 400px at 80% 100%, color-mix(in srgb, var(--gem-gold-native-flat, #c88c00) 8%, transparent) 0%, transparent),
    radial-gradient(ellipse 400px 300px at 60% 30%, color-mix(in srgb, var(--gem-tanzanite-flat, #4a2db5) 4%, transparent) 0%, transparent),
    var(--section-light-a, var(--color-bg, #faf9f7));
  position: relative;
}

/* Smooth transition from hero into page body */
.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: clamp(2rem, 4vw, 3rem);
  background: linear-gradient(to bottom, transparent, var(--section-light-a, var(--color-bg, #faf9f7)));
  pointer-events: none;
}

.page-hero__inner {
  width: min(100% - 2rem, 720px);
  margin-inline: auto;
}

.page-hero__label {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0 0 1rem;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  background: var(--gem-state-trust-subtle, rgb(31 58 153 / 8%));
  color: var(--gem-sapphire-flat, #1f3a99);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-hero__title {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--color-text, #1a2040);
  letter-spacing: -0.02em;
}

.page-hero__subtitle {
  margin: 0;
  font-size: clamp(1rem, 2vw, 1.15rem);
  line-height: 1.7;
  color: var(--color-text-muted, #5a6080);
  max-width: 600px;
  margin-inline: auto;
}

/* ── Page Body / Sections ───────────────────────────────────────────── */

.page-body {
  width: min(100% - 2rem, 1100px);
  margin-inline: auto;
  padding-block: 2rem 4rem;
}

.page-body--narrow {
  max-width: 760px;
}

.page-section {
  margin-block-end: 0;
  padding: clamp(2rem, 4vw, 3.5rem) clamp(1rem, 3vw, 2rem);
  border-radius: var(--radius-lg, 1rem);
  position: relative;
  isolation: isolate;
  overflow: clip;
}

/* Alternate section tints with seamless transitions */
.page-section:nth-child(even) {
  background:
    radial-gradient(ellipse 600px 300px at 80% 20%, color-mix(in srgb, var(--gem-sapphire-flat, #1f3a99) 2%, transparent), transparent),
    var(--section-light-b, var(--color-neutral, #f2f0ec));
}

.page-section:nth-child(odd) {
  background:
    radial-gradient(ellipse 520px 320px at 12% 84%, color-mix(in srgb, var(--gem-gold-native-flat, #c88c00) 3%, transparent), transparent),
    var(--section-light-a, var(--color-bg, #faf9f7));
}

.page-section:nth-child(odd)::after,
.page-section:nth-child(even)::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: var(--section-seam-size, clamp(2.5rem, 6vw, 4.5rem));
  pointer-events: none;
}

.page-section:nth-child(odd)::after {
  background: linear-gradient(to bottom, transparent, var(--section-light-b, var(--color-neutral, #f2f0ec)));
}

.page-section:nth-child(even)::after {
  background: linear-gradient(to bottom, transparent, var(--section-light-a, var(--color-bg, #faf9f7)));
}

.page-section__title {
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-text, #1a2040);
  margin: 0 0 0.5rem;
}

.page-section__subtitle {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-muted, #5a6080);
  margin: 0 0 2rem;
}

/* ── Prose Block ────────────────────────────────────────────────────── */

.prose-block {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text, #1a2040);
}

.prose-block h2 {
  font-size: 1.5rem;
  font-weight: 800;
  margin: 2.5rem 0 0.75rem;
  color: var(--color-text, #1a2040);
}

.prose-block h2:first-child {
  margin-top: 0;
}

.prose-block p {
  margin: 0 0 1rem;
  color: var(--color-text, #1a2040);
}

.prose-block a {
  color: var(--color-primary, #1f3a99);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.prose-block a:hover {
  color: color-mix(in srgb, var(--color-primary, #1f3a99) 75%, black);
}

/* ── BEM Buttons (.btn--*) ──────────────────────────────────────────── */

/* Pages use BEM notation; these map to the design tokens.              */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.875rem;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.btn--primary {
  color: #fff;
  background: linear-gradient(135deg, var(--color-primary, #1f3a99), color-mix(in srgb, var(--color-primary, #1f3a99) 72%, black));
  box-shadow: 0 12px 26px rgb(31 58 153 / 22%);
}

.btn--secondary {
  color: #fff;
  background: linear-gradient(135deg, #374151, #1f2937);
  box-shadow: 0 8px 20px rgb(0 0 0 / 15%);
}

.btn--ghost {
  color: var(--color-text, #1a2040);
  background: rgb(255 255 255 / 76%);
  border-color: var(--border-subtle, color-mix(in srgb, #1f3a99 14%, white));
  backdrop-filter: blur(12px);
}

.btn--white {
  color: var(--color-primary, #1f3a99);
  background: #fff;
  box-shadow: 0 4px 14px rgb(0 0 0 / 10%);
}

.btn--lg {
  padding-inline: 1.65rem;
  font-size: 0.95rem;
}

.btn--full {
  width: 100%;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary:hover {
  box-shadow: 0 16px 32px rgb(31 58 153 / 30%);
}

.btn--ghost:hover {
  border-color: var(--color-primary, #1f3a99);
  box-shadow: 0 4px 16px rgb(31 58 153 / 12%);
}

.btn--white:hover {
  box-shadow: 0 8px 24px rgb(0 0 0 / 15%);
}

@media (prefers-reduced-motion: reduce) {
  .btn { transition: none; }
}

/* ── CTA Group ──────────────────────────────────────────────────────── */

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

/* ── Feature Grid + Cards ───────────────────────────────────────────── */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  padding: 1.5rem;
  border: 1px solid var(--border-subtle, color-mix(in srgb, var(--gem-labradorite-flat, #2d3f6e) 10%, white));
  border-radius: var(--radius-lg, 1rem);
  background: var(--glass-bg-strong, rgb(255 255 255 / 76%));
  backdrop-filter: blur(12px);
  transition: border-color 220ms ease, box-shadow 220ms ease, transform 200ms ease;
}

.feature-card:hover {
  border-color: color-mix(in srgb, var(--gem-gold-native-flat, #c88c00) 40%, transparent);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--gem-gold-native-flat, #c88c00) 20%, transparent),
    0 12px 40px color-mix(in srgb, var(--gem-sapphire-flat, #1f3a99) 12%, transparent);
  transform: translateY(-2px);
}

.feature-card--link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.feature-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-md, 0.75rem);
  background: var(--gem-sapphire, linear-gradient(135deg, #0a1a6e, #1f3a99 35%, #3d64cc 60%, #128 100%));
  color: var(--gem-sapphire-text, #d0dcff);
  margin-bottom: 1rem;
  box-shadow: 0 4px 12px color-mix(in srgb, var(--gem-sapphire-flat, #1f3a99) 20%, transparent);
}

.feature-card__title {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text, #1a2040);
}

.feature-card__body {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--color-text-muted, #5a6080);
}

.feature-card__cta {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary, #1f3a99);
}

@media (prefers-reduced-motion: reduce) {
  .feature-card { transition: none; }
}

/* ── Info Card ──────────────────────────────────────────────────────── */

.info-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-lg, 1rem);
  border: 1px solid color-mix(in srgb, var(--gem-amber-flat, #c88000) 20%, transparent);
  background: color-mix(in srgb, var(--gem-amber-flat, #c88000) 5%, transparent);
}

.info-card__icon {
  flex-shrink: 0;
  color: var(--gem-amber-flat, #c88000);
}

.info-card__body {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--color-text, #1a2040);
}

/* ── Stats Row ──────────────────────────────────────────────────────── */

.stats-row {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border-subtle, color-mix(in srgb, #1f3a99 10%, white));
  border-bottom: 1px solid var(--border-subtle, color-mix(in srgb, #1f3a99 10%, white));
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.25rem;
  padding: 0.5rem 1.25rem;
}

.stat__value {
  font-size: 1.35rem;
  font-weight: 900;
  background: var(--gem-sapphire, linear-gradient(135deg, #0a1a6e, #1f3a99 35%, #3d64cc 60%, #128 100%));
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
}

.stat__label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted, #5a6080);
}

/* ── Pricing Grid + Cards ───────────────────────────────────────────── */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  align-items: start;
}

.pricing-card {
  position: relative;
  padding: 2rem 1.5rem;
  border: 1px solid var(--border-subtle, color-mix(in srgb, var(--gem-labradorite-flat, #2d3f6e) 10%, white));
  border-radius: var(--radius-xl, 1.25rem);
  background: var(--glass-bg-strong, rgb(255 255 255 / 76%));
  backdrop-filter: blur(12px);
  transition: border-color 220ms ease, box-shadow 220ms ease, transform 200ms ease;
}

.pricing-card:hover {
  border-color: color-mix(in srgb, var(--gem-gold-native-flat, #c88c00) 35%, transparent);
  box-shadow: 0 12px 40px color-mix(in srgb, var(--gem-sapphire-flat, #1f3a99) 12%, transparent);
  transform: translateY(-2px);
}

.pricing-card--featured {
  border-color: var(--gem-sapphire-flat, #1f3a99);
  box-shadow:
    0 0 0 1px var(--gem-sapphire-flat, #1f3a99),
    0 16px 48px color-mix(in srgb, var(--gem-sapphire-flat, #1f3a99) 18%, transparent),
    0 0 24px color-mix(in srgb, var(--gem-sapphire-flat, #1f3a99) 10%, transparent);
  background: #fff;
}

.pricing-card--featured:hover {
  box-shadow:
    0 0 0 1px var(--gem-sapphire-flat, #1f3a99),
    0 20px 56px color-mix(in srgb, var(--gem-sapphire-flat, #1f3a99) 24%, transparent),
    0 0 32px color-mix(in srgb, var(--gem-sapphire-flat, #1f3a99) 14%, transparent);
}

.pricing-card__badge {
  position: absolute;
  top: -0.7rem;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.3rem 1rem;
  border-radius: 999px;
  background: var(--gem-sapphire, linear-gradient(135deg, #0a1a6e, #1f3a99 35%, #3d64cc 60%, #128 100%));
  color: var(--gem-sapphire-text, #d0dcff);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  box-shadow: 0 4px 12px color-mix(in srgb, var(--gem-sapphire-flat, #1f3a99) 30%, transparent);
}

.pricing-card__name {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-text, #1a2040);
}

.pricing-card__price {
  margin: 0 0 0.75rem;
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 900;
  color: var(--color-text, #1a2040);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.pricing-card__price span {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted, #5a6080);
}

.price-amount {
  /* For JS toggle */
}

.price-period {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted, #5a6080);
}

.pricing-card__desc {
  margin: 0 0 1.25rem;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--color-text-muted, #5a6080);
}

.pricing-card__features {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  display: grid;
  gap: 0.55rem;
}

.pricing-card__features li {
  position: relative;
  padding-left: 1.3rem;
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--color-text, #1a2040);
}

.pricing-card__features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--gem-emerald-flat, #0a6840);
  font-weight: 700;
}

@media (prefers-reduced-motion: reduce) {
  .pricing-card { transition: none; }
}

/* ── Comparison Table ───────────────────────────────────────────────── */

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.comparison-table th,
.comparison-table td {
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid rgb(229 231 235 / 80%);
}

.comparison-table th {
  font-weight: 600;
  color: #374151;
}

.comparison-table tbody tr:nth-child(even) {
  background: rgb(249 250 251 / 60%);
}

/* ── Form Components ────────────────────────────────────────────────── */

.form-card {
  padding: 2rem;
  border: 1px solid var(--border-subtle, color-mix(in srgb, #1f3a99 10%, white));
  border-radius: 1.25rem;
  background: rgb(255 255 255 / 85%);
  backdrop-filter: blur(12px);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text, #1a2040);
}

.form-input,
.form-textarea {
  display: block;
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1px solid color-mix(in srgb, var(--color-primary, #1f3a99) 18%, white);
  border-radius: 0.5rem;
  background: #fff;
  font-size: 0.9rem;
  color: var(--color-text, #1a2040);
  transition: border-color 180ms ease, box-shadow 180ms ease;
  font-family: inherit;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary, #1f3a99);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary, #1f3a99) 15%, transparent);
}

.form-textarea {
  resize: vertical;
  min-height: 6rem;
}

/* ── FAQ Accordion ──────────────────────────────────────────────────── */

.faq-list {
  display: grid;
  gap: 0.75rem;
}

.faq-item {
  border: 1px solid var(--border-subtle, color-mix(in srgb, #1f3a99 10%, white));
  border-radius: 0.875rem;
  background: rgb(255 255 255 / 76%);
  backdrop-filter: blur(12px);
  overflow: hidden;
  transition: border-color 200ms ease;
}

.faq-item[open] {
  border-color: color-mix(in srgb, var(--color-primary, #1f3a99) 30%, transparent);
}

.faq-item summary {
  padding: 1.1rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text, #1a2040);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgb(31 58 153 / 8%);
  color: var(--color-primary, #1f3a99);
  font-size: 1.1rem;
  font-weight: 700;
  transition: transform 200ms ease, background 200ms ease;
}

.faq-item[open] summary::after {
  content: '−';
  background: var(--color-primary, #1f3a99);
  color: #fff;
  transform: rotate(180deg);
}

.faq-item__answer {
  padding: 0 1.5rem 1.25rem;
}

.faq-item__answer p {
  margin: 0 0 0.75rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-text-muted, #5a6080);
}

.faq-item__answer p:last-child {
  margin-bottom: 0;
}

.faq-item__answer a {
  color: var(--color-primary, #1f3a99);
  text-underline-offset: 2px;
}

/* ── Background Surface ─────────────────────────────────────────────── */

.bg-surface {
  padding: 0;
  max-width: none;
  width: 100%;
}

/* ── Responsive ─────────────────────────────────────────────────────── */

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

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

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

  .page-hero {
    padding: 2.5rem 0 2rem;
  }
}

@media (width >= 860px) {
  .pricing-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}