/* ============================================
   Authenticity WordPress Theme
   Enterprise Deepfake Detection Platform
   ============================================ */

/* --- Design Tokens --- */
:root {
  --color-bg: #ffffff;
  --color-fg: #0f2b3d;
  --color-primary: #0a2540;
  --color-primary-fg: #ffffff;
  --color-muted: #64748b;
  --color-border: #e2e8f0;
  --color-surface: #f5f7fa;
  --color-navy: #0a2540;
  --color-navy-light: #0f3460;
  --color-navy-fg: #f0f4f8;
  --color-blue-accent: #0ea5e9;
  --color-blue-accent-fg: #ffffff;
  --radius: 0.75rem;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  color: var(--color-fg);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: 100%; }

/* --- Utility --- */
.auth-container { max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; }
.auth-serif { font-family: var(--font-serif); font-style: italic; font-weight: 400; }
.auth-eyebrow {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-muted);
}
.auth-eyebrow--accent { color: var(--color-blue-accent); }
.auth-section-header { max-width: 48rem; margin: 0 auto; text-align: center; }
.auth-section-title {
  margin-top: 1rem;
  font-size: clamp(1.875rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-fg);
  text-wrap: balance;
}
.auth-section-title--left { text-align: left; }
.auth-section-title--light { color: var(--color-navy-fg); }
.auth-section-desc {
  margin-top: 1.25rem;
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-muted);
  text-wrap: pretty;
}
.auth-section-desc--left { text-align: left; }
.auth-section-desc--light { color: rgba(240,244,248,0.6); }

/* --- Buttons --- */
.auth-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: all 0.2s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}
.auth-btn--lg { padding: 0.75rem 2rem; font-size: 0.9375rem; height: 3rem; }
.auth-btn--rounded { border-radius: 9999px; }
.auth-btn--primary { background: var(--color-primary); color: var(--color-primary-fg); }
.auth-btn--primary:hover { opacity: 0.9; }
.auth-btn--accent { background: var(--color-blue-accent); color: var(--color-blue-accent-fg); }
.auth-btn--accent:hover { opacity: 0.9; }
.auth-btn--outline { border-color: var(--color-border); color: var(--color-fg); background: transparent; }
.auth-btn--outline:hover { background: var(--color-surface); }
.auth-btn--outline-light { border-color: rgba(240,244,248,0.2); color: var(--color-navy-fg); background: transparent; }
.auth-btn--outline-light:hover { background: rgba(240,244,248,0.1); }
.auth-btn--ghost { color: var(--color-muted); background: transparent; }
.auth-btn--ghost:hover { color: var(--color-fg); }

/* --- Navbar --- */
.auth-navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(226,232,240,0.6);
}
.auth-navbar__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.875rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.auth-navbar__logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}
.auth-navbar__logo-icon {
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.5rem;
  background: var(--color-primary);
  color: var(--color-primary-fg);
}
.auth-navbar__logo-text {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-fg);
}
.auth-navbar__links {
  display: none;
  align-items: center;
  gap: 0.25rem;
}
.auth-navbar__link {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-muted);
  border-radius: 0.5rem;
  transition: color 0.2s;
}
.auth-navbar__link:hover { color: var(--color-fg); }
.auth-navbar__dropdown { position: relative; }
.auth-navbar__dropdown-trigger { cursor: pointer; }
.auth-navbar__dropdown-menu {
  display: none;
  position: absolute;
  left: 0;
  top: 100%;
  padding-top: 0.5rem;
  z-index: 50;
}
.auth-navbar__dropdown:hover .auth-navbar__dropdown-menu { display: block; }
.auth-navbar__dropdown-menu > a,
.auth-navbar__dropdown-menu > div > a {
  display: block;
}
.auth-navbar__dropdown-menu {
  min-width: 220px;
}
.auth-navbar__dropdown-menu::after {
  content: '';
  display: block;
}
.auth-navbar__dropdown-menu a {
  display: flex;
  padding: 0.625rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-muted);
  border-radius: 0.5rem;
  transition: all 0.15s;
  background: var(--color-bg);
}
.auth-navbar__dropdown-menu a:first-child {
  border-top-left-radius: 0.75rem;
  border-top-right-radius: 0.75rem;
}
.auth-navbar__dropdown-menu a:last-child {
  border-bottom-left-radius: 0.75rem;
  border-bottom-right-radius: 0.75rem;
}
.auth-navbar__dropdown-menu a:hover { background: var(--color-surface); color: var(--color-fg); }
.auth-navbar__dropdown-menu {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  padding: 0.5rem;
  box-shadow: 0 20px 25px -5px rgba(0,0,0,0.04), 0 8px 10px -6px rgba(0,0,0,0.02);
}
.auth-navbar__actions { display: none; align-items: center; gap: 0.75rem; }
.auth-navbar__mobile-toggle { color: var(--color-fg); }
.auth-navbar__icon-close { display: none; }

/* Mobile menu */
.auth-navbar__mobile {
  border-top: 1px solid rgba(226,232,240,0.6);
  background: var(--color-bg);
  padding: 1rem 1.5rem 1.5rem;
}
.auth-navbar__mobile a {
  display: block;
  padding: 0.625rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-muted);
  border-radius: 0.5rem;
  transition: all 0.15s;
}
.auth-navbar__mobile a:hover { background: var(--color-surface); color: var(--color-fg); }
.auth-navbar__mobile-label {
  padding: 1rem 0.75rem 0.5rem;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: rgba(100,116,139,0.6);
}
.auth-navbar__mobile-actions {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

@media (min-width: 1024px) {
  .auth-navbar__links { display: flex; }
  .auth-navbar__actions { display: flex; }
  .auth-navbar__mobile-toggle { display: none; }
}

/* --- Hero --- */
.auth-hero {
  padding: 8rem 0 6rem;
  background: var(--color-bg);
  overflow: hidden;
}
.auth-hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.auth-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 9999px;
  background: var(--color-surface);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-muted);
  margin-bottom: 2rem;
  animation: authFadeIn 0.5s ease-out;
}
.auth-hero__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-blue-accent);
  animation: authPulse 3s ease-in-out infinite;
}
.auth-hero__title {
  max-width: 64rem;
  font-size: clamp(2.25rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-fg);
  text-wrap: balance;
  animation: authFadeInUp 0.7s ease-out;
}
.auth-hero__desc {
  max-width: 40rem;
  margin-top: 2rem;
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-muted);
  text-wrap: pretty;
  animation: authFadeInUp 0.7s ease-out 0.15s both;
}
.auth-hero__actions {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  animation: authFadeInUp 0.7s ease-out 0.3s both;
}
.auth-hero__image {
  margin-top: 5rem;
  width: 100%;
  max-width: 64rem;
  animation: authFadeInUp 0.7s ease-out 0.45s both;
}
.auth-hero__image-frame {
  border-radius: 1rem;
  overflow: hidden;
  background: var(--color-navy);
  border: 1px solid rgba(15,40,60,0.08);
  box-shadow: 0 25px 50px -12px rgba(10,37,64,0.2);
}
.auth-hero__image-frame img { width: 100%; display: block; }

@media (min-width: 640px) {
  .auth-hero__actions { flex-direction: row; }
  .auth-hero { padding: 11rem 0 9rem; }
}

/* --- Trust Bar --- */
.auth-trust {
  padding: 2.5rem 0;
  border-top: 1px solid rgba(226,232,240,0.6);
  border-bottom: 1px solid rgba(226,232,240,0.6);
  background: var(--color-bg);
  overflow: hidden;
}
.auth-trust__label {
  text-align: center;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: rgba(100,116,139,0.6);
  margin-bottom: 2rem;
}
.auth-trust__logos { overflow: hidden; position: relative; }
.auth-trust__track {
  display: flex;
  align-items: center;
  gap: 4rem;
  animation: authMarquee 30s linear infinite;
}
.auth-trust__logo {
  white-space: nowrap;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: rgba(15,43,61,0.25);
  flex-shrink: 0;
  padding: 0 1rem;
}

/* --- Stat Section --- */
.auth-stats { padding: 6rem 0; background: var(--color-bg); }
.auth-stats__grid {
  margin-top: 4rem;
  display: grid;
  gap: 1px;
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-border);
}
.auth-stats__card { background: var(--color-bg); padding: 2rem 2.5rem; }
.auth-stats__value {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-fg);
}
.auth-stats__label {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-muted);
}
.auth-stats__source {
  margin-top: 1rem;
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(100,116,139,0.5);
}

@media (min-width: 640px) { .auth-stats__grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .auth-stats__grid { grid-template-columns: repeat(4, 1fr); } }

/* --- Platform --- */
.auth-platform { padding: 6rem 0 8rem; background: var(--color-surface); }
.auth-platform__image { margin-top: 4rem; }
.auth-platform__image-frame {
  border-radius: 1.5rem;
  overflow: hidden;
  background: var(--color-navy);
  border: 1px solid rgba(15,40,60,0.06);
  box-shadow: 0 20px 40px -12px rgba(10,37,64,0.2);
  padding: 1.5rem;
}
.auth-platform__image-frame img { width: 100%; border-radius: 0.75rem; }
.auth-platform__grid {
  margin-top: 4rem;
  display: grid;
  gap: 2rem;
}
.auth-platform__card h3 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-fg);
}
.auth-platform__card p {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-muted);
}
.auth-platform__icon {
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.75rem;
  background: rgba(10,37,64,0.06);
  color: var(--color-primary);
  margin-bottom: 1rem;
}

@media (min-width: 640px) { .auth-platform__grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .auth-platform__grid { grid-template-columns: repeat(4, 1fr); } }

/* --- Technology --- */
.auth-technology { padding: 6rem 0 8rem; background: var(--color-bg); }
.auth-technology__layout { display: flex; flex-direction: column; gap: 4rem; }
.auth-technology__image-frame {
  border-radius: 1.5rem;
  overflow: hidden;
  background: var(--color-navy);
  border: 1px solid rgba(15,40,60,0.06);
  box-shadow: 0 20px 40px -12px rgba(10,37,64,0.2);
  padding: 1rem 1.5rem;
}
.auth-technology__image-frame img { width: 100%; border-radius: 0.75rem; }
.auth-technology__layers { margin-top: 2.5rem; display: flex; flex-direction: column; gap: 0.5rem; }
.auth-technology__layer {
  padding: 1rem;
  border-radius: 0.75rem;
  border: 1px solid transparent;
  transition: all 0.2s;
}
.auth-technology__layer:hover {
  border-color: var(--color-border);
  background: var(--color-surface);
}
.auth-technology__layer h3 { font-size: 0.875rem; font-weight: 700; color: var(--color-fg); }
.auth-technology__layer p { margin-top: 0.25rem; font-size: 0.875rem; line-height: 1.6; color: var(--color-muted); }

@media (min-width: 1024px) {
  .auth-technology__layout { flex-direction: row; align-items: flex-start; }
  .auth-technology__image { flex: 1; position: sticky; top: 8rem; order: 1; }
  .auth-technology__content { flex: 1; order: 2; }
}

/* --- Use Cases --- */
.auth-usecases { padding: 6rem 0 8rem; background: var(--color-navy); }
.auth-usecases__layout { margin-top: 4rem; display: flex; flex-direction: column; gap: 2rem; }
.auth-usecases__tabs { display: flex; flex-direction: column; gap: 0.25rem; }
.auth-usecases__tab {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  text-align: left;
  padding: 1rem 1.25rem;
  border-radius: 0.75rem;
  border: 1px solid transparent;
  transition: all 0.2s;
  cursor: pointer;
}
.auth-usecases__tab:hover { background: rgba(15,52,96,0.5); }
.auth-usecases__tab.is-active {
  background: var(--color-navy-light);
  border-color: rgba(240,244,248,0.1);
}
.auth-usecases__tab-title { font-size: 0.875rem; font-weight: 600; color: rgba(240,244,248,0.6); }
.auth-usecases__tab.is-active .auth-usecases__tab-title { color: var(--color-navy-fg); }
.auth-usecases__tab-summary { font-size: 0.75rem; color: rgba(240,244,248,0.4); }
.auth-usecases__panels { }
.auth-usecases__panel { display: none; }
.auth-usecases__panel.is-active { display: block; }
.auth-usecases__panel {
  padding: 2rem 2.5rem;
  border-radius: 1rem;
  border: 1px solid rgba(240,244,248,0.1);
  background: var(--color-navy-light);
}
.auth-usecases__panel h3 { font-size: 1.5rem; font-weight: 700; color: var(--color-navy-fg); }
.auth-usecases__panel-desc { margin-top: 1rem; font-size: 1rem; line-height: 1.7; color: rgba(240,244,248,0.7); }
.auth-usecases__panel-stat {
  margin-top: 2rem;
  padding: 1.25rem;
  border-radius: 0.75rem;
  border: 1px solid rgba(14,165,233,0.2);
  background: rgba(14,165,233,0.06);
}
.auth-usecases__panel-stat-value { font-size: 1.125rem; font-weight: 700; color: var(--color-navy-fg); }
.auth-usecases__panel-stat-source { margin-top: 0.25rem; font-size: 0.75rem; font-weight: 500; color: rgba(240,244,248,0.4); }

@media (min-width: 1024px) {
  .auth-usecases__layout { flex-direction: row; }
  .auth-usecases__tabs { flex: 2; }
  .auth-usecases__panels { flex: 3; display: flex; align-items: center; }
}

/* --- Industries --- */
.auth-industries { padding: 6rem 0 8rem; background: var(--color-surface); }
.auth-industries__grid {
  margin-top: 4rem;
  display: grid;
  gap: 1.5rem;
}
.auth-industries__card {
  padding: 2rem;
  border-radius: 1rem;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  transition: all 0.2s;
}
.auth-industries__card:hover { box-shadow: 0 10px 25px -5px rgba(0,0,0,0.03); }
.auth-industries__card h3 { font-size: 1.125rem; font-weight: 700; color: var(--color-fg); }
.auth-industries__card ul { margin-top: 1rem; display: flex; flex-direction: column; gap: 0.625rem; }
.auth-industries__card li {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.875rem;
  color: var(--color-muted);
}
.auth-industries__card li::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-blue-accent);
  flex-shrink: 0;
}
.auth-industries__card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  margin-top: 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  opacity: 0;
  transition: opacity 0.2s;
}
.auth-industries__card:hover .auth-industries__card-link { opacity: 1; }

@media (min-width: 640px) { .auth-industries__grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .auth-industries__grid { grid-template-columns: repeat(3, 1fr); } }

/* --- Testimonials --- */
.auth-testimonials { padding: 6rem 0 8rem; background: var(--color-bg); }
.auth-testimonials__grid {
  margin-top: 4rem;
  display: grid;
  gap: 1.5rem;
}
.auth-testimonials__card {
  display: flex;
  flex-direction: column;
  padding: 2rem;
  border-radius: 1rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  transition: all 0.2s;
}
.auth-testimonials__card:hover { box-shadow: 0 10px 25px -5px rgba(0,0,0,0.03); }
.auth-testimonials__quote-mark {
  font-family: var(--font-serif);
  font-size: 3rem;
  line-height: 1;
  color: rgba(10,37,64,0.15);
  margin-bottom: 1rem;
}
.auth-testimonials__card blockquote {
  flex: 1;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: rgba(15,43,61,0.8);
}
.auth-testimonials__author {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}
.auth-testimonials__name { font-size: 0.875rem; font-weight: 700; color: var(--color-fg); }
.auth-testimonials__role { font-size: 0.8125rem; color: var(--color-muted); }
.auth-testimonials__org { font-size: 0.8125rem; font-weight: 500; color: rgba(10,37,64,0.7); }

@media (min-width: 1024px) { .auth-testimonials__grid { grid-template-columns: repeat(3, 1fr); } }

/* --- Resources --- */
.auth-resources { padding: 6rem 0 8rem; background: var(--color-surface); }
.auth-resources__header {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.auth-resources__view-all {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  transition: opacity 0.2s;
}
.auth-resources__view-all:hover { opacity: 0.8; }
.auth-resources__grid {
  margin-top: 3rem;
  display: grid;
  gap: 1.5rem;
}
.auth-resources__card {
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  transition: all 0.2s;
}
.auth-resources__card:hover { box-shadow: 0 10px 25px -5px rgba(0,0,0,0.03); }
.auth-resources__card-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  background: var(--color-navy);
  font-size: 0.6875rem;
  color: rgba(240,244,248,0.6);
}
.auth-resources__card-type { font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.auth-resources__card-body { padding: 1.5rem; }
.auth-resources__card-body h3 { font-size: 1.125rem; font-weight: 700; color: var(--color-fg); transition: color 0.2s; }
.auth-resources__card:hover .auth-resources__card-body h3 { color: var(--color-primary); }
.auth-resources__card-body p { margin-top: 0.75rem; font-size: 0.875rem; line-height: 1.6; color: var(--color-muted); }
.auth-resources__card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  margin-top: 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
}

@media (min-width: 640px) {
  .auth-resources__header { flex-direction: row; align-items: flex-end; justify-content: space-between; }
}
@media (min-width: 1024px) { .auth-resources__grid { grid-template-columns: repeat(3, 1fr); } }

/* --- CTA --- */
.auth-cta {
  position: relative;
  padding: 6rem 0 8rem;
  background: var(--color-navy);
  overflow: hidden;
}
.auth-cta__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: rgba(14,165,233,0.04);
  filter: blur(120px);
  pointer-events: none;
}
.auth-cta__inner {
  position: relative;
  max-width: 48rem;
  margin: 0 auto;
  text-align: center;
}
.auth-cta__title {
  font-size: clamp(1.875rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-navy-fg);
  text-wrap: balance;
}
.auth-cta__desc {
  margin-top: 1.5rem;
  font-size: 1.125rem;
  line-height: 1.7;
  color: rgba(240,244,248,0.6);
  text-wrap: pretty;
}
.auth-cta__actions {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}
.auth-cta__note {
  margin-top: 2rem;
  font-size: 0.8125rem;
  color: rgba(240,244,248,0.4);
}

@media (min-width: 640px) { .auth-cta__actions { flex-direction: row; } }

/* --- Footer --- */
.auth-footer { background: var(--color-navy); padding: 4rem 0; }
.auth-footer__grid {
  display: grid;
  gap: 3rem;
}
.auth-footer__brand { }
.auth-footer__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-navy-fg);
}
.auth-footer__logo-icon {
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.5rem;
  background: var(--color-blue-accent);
  color: var(--color-blue-accent-fg);
}
.auth-footer__desc {
  margin-top: 1rem;
  max-width: 20rem;
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(240,244,248,0.5);
}
.auth-footer__social {
  margin-top: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.auth-footer__social a {
  color: rgba(240,244,248,0.4);
  transition: color 0.2s;
}
.auth-footer__social a:hover { color: var(--color-navy-fg); }
.auth-footer__col h3 {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: rgba(240,244,248,0.6);
}
.auth-footer__col ul { margin-top: 1rem; display: flex; flex-direction: column; gap: 0.75rem; }
.auth-footer__col a {
  font-size: 0.875rem;
  color: rgba(240,244,248,0.5);
  transition: color 0.2s;
}
.auth-footer__col a:hover { color: var(--color-navy-fg); }
.auth-footer__bottom {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(240,244,248,0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.75rem;
  color: rgba(240,244,248,0.3);
}
.auth-footer__legal { display: flex; align-items: center; gap: 1.5rem; }
.auth-footer__legal a { color: rgba(240,244,248,0.3); transition: color 0.2s; }
.auth-footer__legal a:hover { color: var(--color-navy-fg); }

@media (min-width: 640px) {
  .auth-footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1024px) {
  .auth-footer__grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
  .auth-footer__bottom { flex-direction: row; }
}

/* --- Page Hero --- */
.auth-page-hero { padding: 8rem 0 4rem; background: var(--color-bg); }
.auth-page-hero--surface { background: var(--color-surface); }
.auth-page-hero__inner { max-width: 48rem; }
.auth-page-hero__title {
  margin-top: 1rem;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-fg);
  text-wrap: balance;
}
.auth-page-hero__desc {
  margin-top: 1.5rem;
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-muted);
  text-wrap: pretty;
}
.auth-page-hero__actions {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* --- Page Content --- */
.auth-page-content { padding: 3rem 0 6rem; }
.auth-page-content__inner {
  max-width: 48rem;
}
.auth-page-content__inner h2 { font-size: 1.75rem; font-weight: 800; color: var(--color-fg); margin-top: 3rem; margin-bottom: 1rem; }
.auth-page-content__inner h3 { font-size: 1.25rem; font-weight: 700; color: var(--color-fg); margin-top: 2rem; margin-bottom: 0.75rem; }
.auth-page-content__inner p { margin-bottom: 1.5rem; font-size: 1rem; line-height: 1.8; color: var(--color-muted); }
.auth-page-content__inner ul, .auth-page-content__inner ol { margin-bottom: 1.5rem; padding-left: 1.5rem; }
.auth-page-content__inner li { margin-bottom: 0.5rem; font-size: 1rem; line-height: 1.8; color: var(--color-muted); list-style: disc; }
.auth-page-content__inner ol li { list-style: decimal; }
.auth-page-content__inner a { color: var(--color-primary); text-decoration: underline; }
.auth-page-content__inner img { border-radius: 0.75rem; margin: 2rem 0; }

/* --- Solution Features --- */
.auth-solution-features { padding: 4rem 0; background: var(--color-surface); }
.auth-solution-features__grid { display: grid; gap: 2rem; }
.auth-solution-features__card {
  padding: 2rem;
  border-radius: 1rem;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}
.auth-solution-features__card h3 { font-size: 1rem; font-weight: 700; color: var(--color-fg); }
.auth-solution-features__card p { margin-top: 0.5rem; font-size: 0.875rem; line-height: 1.6; color: var(--color-muted); }
.auth-solution-stats { padding: 4rem 0; background: var(--color-bg); }

@media (min-width: 640px) { .auth-solution-features__grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .auth-solution-features__grid { grid-template-columns: repeat(3, 1fr); } }

/* --- Contact --- */
.auth-contact { padding: 8rem 0 6rem; background: var(--color-bg); }
.auth-contact__layout { display: flex; flex-direction: column; gap: 4rem; }
.auth-contact__form { margin-top: 2rem; display: flex; flex-direction: column; gap: 1.25rem; }
.auth-contact__form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.auth-contact__field { display: flex; flex-direction: column; gap: 0.375rem; }
.auth-contact__field label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-fg);
}
.auth-contact__field input,
.auth-contact__field select,
.auth-contact__field textarea {
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  background: var(--color-bg);
  font-size: 0.875rem;
  color: var(--color-fg);
  transition: border-color 0.2s;
}
.auth-contact__field input:focus,
.auth-contact__field select:focus,
.auth-contact__field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(10,37,64,0.08);
}
.auth-contact__info-side { display: flex; flex-direction: column; gap: 1.5rem; }
.auth-contact__info-card {
  padding: 2rem;
  border-radius: 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}
.auth-contact__info-card h3 { font-size: 1rem; font-weight: 700; color: var(--color-fg); margin-bottom: 1.25rem; }
.auth-contact__info-item { margin-bottom: 1rem; }
.auth-contact__info-label { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-muted); margin-bottom: 0.25rem; }
.auth-contact__info-item p:last-child { font-size: 0.875rem; color: var(--color-fg); }
.auth-contact__info-card ul { display: flex; flex-direction: column; gap: 0.5rem; }
.auth-contact__info-card li {
  font-size: 0.875rem;
  color: var(--color-muted);
  padding-left: 1rem;
  position: relative;
}
.auth-contact__info-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-blue-accent);
}

@media (min-width: 1024px) {
  .auth-contact__layout { flex-direction: row; }
  .auth-contact__form-side { flex: 3; }
  .auth-contact__info-side { flex: 2; }
}

/* --- Animations --- */
@keyframes authFadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes authFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes authPulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}
@keyframes authMarquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* --- Screen Reader Only --- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}