/* ==========================================================================
   NEHANET — Enterprise Intelligence Platform
   Shared stylesheet: tokens, layout, components
   ========================================================================== */

:root {
  /* Brand color tokens */
  --navy-950: #05121f;
  --navy-900: #0a2038;
  --navy-800: #0d2c4c;
  --navy-700: #123a63;
  --navy-600: #1b4a7a;
  --blue-600: #2f6fed;
  --blue-500: #3f7bff;
  --blue-400: #6d9bff;
  --cyan-400: #4fd1e5;
  --teal-600: #0d9488;
  --teal-500: #14b8a6;
  --amber-500: #f59e0b;
  --amber-100: #fef3e0;
  --green-600: #16a34a;
  --green-100: #e6f6ec;
  --red-500: #ef4444;
  --gray-900: #111827;
  --gray-800: #1f2937;
  --gray-700: #374151;
  --gray-600: #4b5563;
  --gray-500: #6b7280;
  --gray-400: #9ca3af;
  --gray-300: #d1d5db;
  --gray-200: #e5e7eb;
  --gray-100: #f1f4f8;
  --gray-50: #f7f9fc;
  --white: #ffffff;

  --surface: #ffffff;
  --surface-alt: #f6f8fb;
  --surface-dark: var(--navy-900);
  --text-strong: var(--gray-900);
  --text-normal: var(--gray-700);
  --text-muted: var(--gray-500);
  --text-on-dark: #eaf1fb;
  --text-on-dark-muted: #a9bdd8;
  --border-color: var(--gray-200);
  --border-dark: rgba(255, 255, 255, 0.12);

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;

  --container-max: 1240px;
  --container-reading: 760px;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 999px;

  --shadow-sm: 0 1px 2px rgba(9, 30, 66, 0.06), 0 1px 1px rgba(9, 30, 66, 0.04);
  --shadow-md: 0 8px 24px rgba(9, 30, 66, 0.08), 0 2px 6px rgba(9, 30, 66, 0.06);
  --shadow-lg: 0 24px 48px rgba(9, 30, 66, 0.14), 0 4px 12px rgba(9, 30, 66, 0.08);

  --section-sm: 56px;
  --section-md: 96px;
  --section-lg: 128px;

  --transition-fast: 150ms ease;
  --transition-base: 220ms ease;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text-normal);
  background: var(--surface);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

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

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

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
h4,
p,
figure {
  margin: 0;
}

button {
  font-family: inherit;
  cursor: pointer;
}

input,
select,
textarea {
  font-family: inherit;
  font-size: 16px;
}

h1,
h2,
h3,
h4 {
  color: var(--text-strong);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h1 {
  font-size: 38px;
}
h2 {
  font-size: 30px;
}
h3 {
  font-size: 22px;
}
h4 {
  font-size: 18px;
}

@media (min-width: 768px) {
  h1 {
    font-size: 48px;
  }
  h2 {
    font-size: 36px;
  }
  h3 {
    font-size: 24px;
  }
}

@media (min-width: 1024px) {
  h1 {
    font-size: 60px;
  }
  h2 {
    font-size: 40px;
  }
}

/* Visible focus for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--blue-500);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  background: var(--navy-900);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top var(--transition-fast);
}
.skip-link:focus {
  top: 12px;
}

/* -------------------------------- Layout --------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 20px;
}

@media (min-width: 768px) {
  .container {
    padding-inline: 32px;
  }
}

.container-reading {
  width: 100%;
  max-width: var(--container-reading);
  margin-inline: auto;
  padding-inline: 20px;
}

.section {
  padding-block: var(--section-sm);
}

@media (min-width: 768px) {
  .section {
    padding-block: 72px;
  }
}

@media (min-width: 1024px) {
  .section {
    padding-block: var(--section-md);
  }
}

.section-lg {
  padding-block: 72px;
}
@media (min-width: 1024px) {
  .section-lg {
    padding-block: var(--section-lg);
  }
}

.section-tight {
  padding-block: 40px;
}
@media (min-width: 1024px) {
  .section-tight {
    padding-block: 64px;
  }
}

.section-alt {
  background: var(--surface-alt);
}

.section-dark {
  background: linear-gradient(160deg, var(--navy-950) 0%, var(--navy-800) 100%);
  color: var(--text-on-dark);
}
.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: #fff;
}
.section-dark p {
  color: var(--text-on-dark-muted);
}

.grid {
  display: grid;
  gap: 24px;
}

@media (min-width: 640px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (min-width: 900px) {
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-600);
  margin-bottom: 14px;
}
.section-dark .eyebrow {
  color: var(--cyan-400);
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
}

.section-head {
  max-width: 680px;
  margin-bottom: 40px;
}
.section-head.center {
  margin-inline: auto;
  text-align: center;
}

.section-head p {
  margin-top: 14px;
  font-size: 18px;
  color: var(--text-muted);
}
.section-dark .section-head p {
  color: var(--text-on-dark-muted);
}

.lede {
  font-size: 19px;
  color: var(--text-muted);
  max-width: 620px;
}

/* -------------------------------- Buttons -------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15.5px;
  padding: 13px 24px;
  border-radius: var(--radius-full);
  border: 1.5px solid transparent;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast),
    background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}

.btn svg {
  width: 16px;
  height: 16px;
  flex: none;
}

.btn-primary {
  background: var(--blue-600);
  color: #fff;
  box-shadow: 0 8px 20px rgba(47, 111, 237, 0.28);
}
.btn-primary:hover {
  background: #2559c9;
  box-shadow: 0 10px 24px rgba(47, 111, 237, 0.38);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--navy-900);
  border-color: var(--gray-300);
}
.btn-secondary:hover {
  border-color: var(--navy-900);
  background: var(--gray-50);
}

.section-dark .btn-secondary,
.hero .btn-secondary,
.page-hero .btn-secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
}
.section-dark .btn-secondary:hover,
.hero .btn-secondary:hover,
.page-hero .btn-secondary:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.btn-ghost-light {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
}
.btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.18);
}

.btn-sm {
  padding: 9px 18px;
  font-size: 14px;
}

.btn-block {
  width: 100%;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--blue-600);
  font-size: 15px;
}
.link-arrow svg {
  width: 15px;
  height: 15px;
  transition: transform var(--transition-fast);
}
.link-arrow:hover svg {
  transform: translateX(3px);
}
.section-dark .link-arrow {
  color: var(--cyan-400);
}

/* ------------------------------ Announcement ------------------------------ */
.announce {
  background: var(--navy-950);
  color: #cfe0f7;
  font-size: 13.5px;
}
.announce .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding-block: 10px;
  text-align: center;
}
.announce .msg {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}
.announce .tag {
  background: var(--blue-600);
  color: #fff;
  font-weight: 700;
  font-size: 10.5px;
  letter-spacing: 0.04em;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  flex: none;
}
.announce a {
  font-weight: 600;
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
  white-space: nowrap;
}
.announce a:hover {
  border-color: #fff;
}
.announce-close {
  flex: none;
  background: transparent;
  border: 0;
  color: #9db3d1;
  font-size: 18px;
  line-height: 1;
  padding: 2px 4px;
  margin-left: 4px;
}
.announce-close:hover {
  color: #fff;
}
@media (max-width: 640px) {
  .announce .msg span.full {
    display: none;
  }
}

/* --------------------------------- Header --------------------------------- */
.site-header {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 500;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-block: 14px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 19px;
  color: var(--navy-900);
  letter-spacing: -0.01em;
  flex: none;
}
.logo-img {
  display: block;
  height: auto;
  width: auto;
  max-width: 100%;
  mix-blend-mode: multiply;
}
@media (max-width: 480px) {
  .logo-img {
    max-width: 170px;
  }
}
.mobile-nav-top .logo-img {
  max-width: 150px;
}

.primary-nav {
  display: none;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 10px 14px;
  font-weight: 600;
  font-size: 15px;
  color: var(--gray-700);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}
.nav-link svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}
.nav-item:hover .nav-link,
.nav-link[aria-expanded="true"] {
  color: var(--blue-600);
  background: var(--gray-50);
}
.nav-item:hover .nav-link svg,
.nav-link[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.mega-panel {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  width: min(640px, 90vw);
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 24px;
  display: none;
  opacity: 0;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  z-index: 20;
}
.nav-item.wide .mega-panel {
  width: min(760px, 92vw);
}
.nav-item:hover .mega-panel,
.nav-item:focus-within .mega-panel {
  display: grid;
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.mega-panel {
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.nav-item.wide .mega-panel {
  grid-template-columns: repeat(3, 1fr);
}

.mega-col-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--blue-600);
  margin-bottom: 12px;
}

.mega-link {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 6px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}
.mega-link:hover {
  background: var(--gray-50);
}
.mega-link .ic {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--gray-100);
  color: var(--blue-600);
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
}
.mega-link .ic svg {
  width: 16px;
  height: 16px;
}
.mega-link strong {
  display: block;
  font-size: 14.5px;
  color: var(--text-strong);
  font-weight: 600;
  transition: color var(--transition-fast);
}
.mega-link:hover strong {
  color: var(--blue-600);
}
.mega-link span {
  display: block;
  font-size: 12.5px;
  color: var(--text-muted);
  margin-top: 1px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.utility-link {
  display: none;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 14.5px;
  color: var(--gray-700);
  padding: 8px 10px;
}
.utility-link svg {
  width: 16px;
  height: 16px;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: #fff;
  flex: none;
}
.nav-toggle svg {
  width: 20px;
  height: 20px;
}

@media (min-width: 1024px) {
  .primary-nav {
    display: block;
  }
  .utility-link {
    display: inline-flex;
  }
  .nav-toggle {
    display: none;
  }
}

/* Mobile nav drawer */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 600;
  display: none;
}
.mobile-nav.open {
  display: block;
}
.mobile-nav-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 18, 31, 0.5);
}
.mobile-nav-panel {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: min(360px, 88vw);
  background: #fff;
  box-shadow: var(--shadow-lg);
  padding: 18px;
  overflow-y: auto;
}
.mobile-nav-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
.mobile-nav-close {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.mobile-nav-close svg {
  width: 18px;
  height: 18px;
}

.mobile-accordion-item {
  border-bottom: 1px solid var(--border-color);
}
.mobile-accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: 0;
  padding: 14px 4px;
  font-weight: 700;
  font-size: 16px;
  color: var(--navy-900);
}
.mobile-accordion-trigger svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}
.mobile-accordion-trigger[aria-expanded="true"] svg {
  transform: rotate(180deg);
}
.mobile-accordion-panel {
  display: none;
  padding-bottom: 12px;
}
.mobile-accordion-panel.open {
  display: block;
}
.mobile-accordion-panel a {
  display: block;
  padding: 9px 6px;
  font-size: 14.5px;
  color: var(--gray-700);
  border-radius: var(--radius-sm);
}
.mobile-accordion-panel a:hover {
  background: var(--gray-50);
}
.mobile-flat-link {
  display: block;
  padding: 14px 4px;
  font-weight: 700;
  font-size: 16px;
  color: var(--navy-900);
  border-bottom: 1px solid var(--border-color);
}
.mobile-nav-cta {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

body.nav-open {
  overflow: hidden;
}

/* --------------------------------- Hero ---------------------------------- */
.hero {
  position: relative;
  background: radial-gradient(1100px 520px at 15% -10%, rgba(79, 209, 229, 0.16), transparent 60%),
    linear-gradient(160deg, var(--navy-950) 0%, var(--navy-900) 45%, var(--navy-800) 100%);
  color: #fff;
  overflow: hidden;
  padding-block: 56px 64px;
}
@media (min-width: 1024px) {
  .hero {
    padding-block: 84px 96px;
  }
}

.hero-grid {
  display: grid;
  gap: 44px;
  align-items: center;
}
@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 7px 14px;
  border-radius: var(--radius-full);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--cyan-400);
  margin-bottom: 22px;
}

.hero h1 {
  color: #fff;
  margin-bottom: 20px;
}
.hero h1 .accent {
  background: linear-gradient(90deg, var(--cyan-400), var(--blue-400));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p.lede {
  color: var(--text-on-dark-muted);
  max-width: 560px;
  font-size: 18px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 34px;
}
.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--text-on-dark-muted);
}
.hero-meta-item svg {
  width: 16px;
  height: 16px;
  color: var(--teal-500);
  flex: none;
}

/* Product interface mockup card */
.mockup-card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  color: var(--text-normal);
  transform: perspective(1200px) rotateY(-4deg) rotateX(1deg);
}
@media (max-width: 640px) {
  .mockup-card {
    transform: none;
  }
}

.mockup-titlebar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--gray-50);
  border-bottom: 1px solid var(--border-color);
}
.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.mockup-dot.red {
  background: #ef4444;
}
.mockup-dot.yellow {
  background: #f59e0b;
}
.mockup-dot.green {
  background: #22c55e;
}
.mockup-titlebar span {
  margin-left: 8px;
  font-size: 12.5px;
  color: var(--text-muted);
  font-weight: 600;
}

.mockup-body {
  padding: 20px;
}
.mockup-question {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-strong);
  background: var(--gray-50);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  margin-bottom: 14px;
}
.mockup-steps {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}
.mockup-step {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  color: var(--text-muted);
}
.mockup-step svg {
  width: 16px;
  height: 16px;
  color: var(--green-600);
  flex: none;
}
.mockup-answer {
  background: var(--navy-900);
  color: #fff;
  border-radius: var(--radius-md);
  padding: 16px;
}
.mockup-answer .headline {
  font-size: 14.5px;
  font-weight: 700;
  margin-bottom: 6px;
  color: #fff;
}
.mockup-answer p {
  font-size: 13.5px;
  color: var(--text-on-dark-muted);
  line-height: 1.55;
}
.mockup-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.mockup-chip {
  font-size: 11.5px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: var(--radius-full);
  background: var(--gray-100);
  color: var(--text-normal);
}
.mockup-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-top: 1px solid var(--border-color);
}
.confidence {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--green-600);
}
.confidence svg {
  width: 14px;
  height: 14px;
}
.mockup-footer .btn {
  padding: 8px 16px;
  font-size: 13px;
}

/* ----------------------------- Credibility strip -------------------------- */
.credibility {
  background: var(--surface-alt);
  border-bottom: 1px solid var(--border-color);
  padding-block: 26px;
}
.credibility-inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
  justify-content: space-between;
}
@media (min-width: 900px) {
  .credibility-inner {
    flex-direction: row;
    align-items: center;
  }
}
.credibility p {
  font-size: 14px;
  color: var(--text-muted);
  max-width: 360px;
}
.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.pill {
  font-size: 13px;
  font-weight: 600;
  color: var(--navy-800);
  background: #fff;
  border: 1px solid var(--border-color);
  padding: 7px 14px;
  border-radius: var(--radius-full);
}

/* --------------------------------- Cards ---------------------------------- */
.card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 26px;
  transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
}
.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: var(--gray-300);
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.card-icon svg {
  width: 22px;
  height: 22px;
}
.icon-blue {
  background: #e7efff;
  color: var(--blue-600);
}
.icon-amber {
  background: var(--amber-100);
  color: var(--amber-500);
}
.icon-green {
  background: var(--green-100);
  color: var(--green-600);
}
.icon-teal {
  background: #e2f7f4;
  color: var(--teal-600);
}

.card h3 {
  font-size: 19px;
  margin-bottom: 10px;
}
.card p {
  color: var(--text-muted);
  font-size: 15px;
}

/* Use case cards */
.usecase-card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-top: 4px solid var(--blue-600);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 24px;
  height: 100%;
  transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
}
.usecase-card:hover {
  border-color: var(--gray-300);
}
.usecase-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.usecase-card .tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--gray-100);
  margin-bottom: 16px;
}
.usecase-card .tag svg {
  width: 19px;
  height: 19px;
}
.usecase-card h3 {
  font-size: 17.5px;
  margin-bottom: 8px;
}
.usecase-card p {
  font-size: 14.5px;
  color: var(--text-muted);
  margin-bottom: 14px;
}
.usecase-card.border-orange {
  border-top-color: var(--amber-500);
}
.usecase-card.border-teal {
  border-top-color: var(--teal-600);
}
.usecase-card.border-green {
  border-top-color: var(--green-600);
}

/* ------------------------------- Platform layers --------------------------- */
.platform-wrap {
  display: grid;
  gap: 40px;
  align-items: center;
}
@media (min-width: 1024px) {
  .platform-wrap {
    grid-template-columns: 0.95fr 1.05fr;
    gap: 60px;
  }
}

.layer-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.layer-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 18px;
  background: #fff;
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--gray-300);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-base), background var(--transition-base), transform var(--transition-base);
}
.layer-item:hover {
  transform: translateX(3px);
}
.layer-num {
  font-size: 12px;
  font-weight: 800;
  color: var(--text-muted);
  flex: none;
  width: 26px;
}
.layer-item strong {
  display: block;
  font-size: 15.5px;
  color: var(--text-strong);
}
.layer-item span {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}
.layer-item.active {
  background: var(--navy-900);
  border-left-color: var(--cyan-400);
  border-color: var(--navy-900);
}
.layer-item.active strong,
.layer-item.active span {
  color: #fff;
}
.layer-item.active span {
  color: var(--text-on-dark-muted);
}
.layer-item.active .layer-num {
  color: var(--cyan-400);
}
.layer-item.tone-green {
  border-left-color: var(--green-600);
}
.layer-item.tone-orange {
  border-left-color: var(--amber-500);
}

.diagram-frame {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  box-shadow: var(--shadow-sm);
}
.diagram-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}
.diagram-chip {
  background: var(--gray-50);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-normal);
}
.diagram-arrow {
  display: flex;
  justify-content: center;
  margin-block: 10px;
  color: var(--gray-400);
}
.diagram-arrow svg {
  width: 18px;
  height: 18px;
}
.diagram-layer {
  text-align: center;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 700;
}

/* --------------------------------- Steps ----------------------------------- */
.steps-row {
  display: grid;
  gap: 20px;
}
@media (min-width: 900px) {
  .steps-row {
    grid-template-columns: repeat(5, 1fr);
  }
}
.step-item {
  text-align: left;
  padding: 20px;
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  position: relative;
}
.step-item .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--blue-600);
  color: #fff;
  font-weight: 800;
  font-size: 13px;
  margin-bottom: 14px;
}
.step-item h4 {
  font-size: 15.5px;
  margin-bottom: 6px;
}
.step-item p {
  font-size: 13.5px;
  color: var(--text-muted);
}

/* --------------------------------- Security -------------------------------- */
.security-grid {
  display: grid;
  gap: 40px;
  align-items: center;
}
@media (min-width: 1024px) {
  .security-grid {
    grid-template-columns: 1fr 1fr;
    gap: 60px;
  }
}
.check-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.check-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
}
.check-item .dot {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(22, 163, 74, 0.18);
  color: #4ade80;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
  margin-top: 1px;
}
.check-item .dot svg {
  width: 13px;
  height: 13px;
}
.check-item strong {
  display: block;
  color: #fff;
  font-size: 15px;
  margin-bottom: 3px;
}
.check-item span {
  display: block;
  font-size: 13.5px;
  color: var(--text-on-dark-muted);
}

/* --------------------------------- Proof ------------------------------------ */
.proof-card {
  background: var(--surface-alt);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  display: grid;
  gap: 32px;
}
@media (min-width: 900px) {
  .proof-card {
    grid-template-columns: 1.3fr 1fr;
    align-items: center;
    padding: 44px 40px;
  }
  .proof-card.two-up {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}
.proof-card.two-up > div {
  padding: 4px;
}
.proof-card.two-up blockquote {
  min-height: 0;
}
.proof-card blockquote {
  font-size: 21px;
  font-weight: 600;
  color: var(--text-strong);
  line-height: 1.5;
  margin: 0 0 20px;
}
.proof-person {
  display: flex;
  align-items: center;
  gap: 12px;
}
.avatar {
  display: inline-block;
  box-sizing: border-box;
  width: 44px;
  height: 44px;
  min-width: 44px;
  max-width: 44px;
  border-radius: 50%;
  background: var(--blue-600);
  color: #fff;
  text-align: center;
  vertical-align: middle;
  font-weight: 700;
  font-size: 14px;
  line-height: 44px;
  letter-spacing: 0.01em;
  overflow: hidden;
  flex: none;
}
.proof-person div strong {
  display: block;
  font-size: 14.5px;
  color: var(--text-strong);
}
.proof-person div span {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
}
.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  text-align: center;
}
.metric {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px 10px;
}
.metric .value {
  font-size: 30px;
  font-weight: 800;
  line-height: 1;
}
.metric .value.blue {
  color: var(--blue-600);
}
.metric .value.green {
  color: var(--green-600);
}
.metric .value.orange {
  color: var(--amber-500);
}
.metric .label {
  font-size: 11.5px;
  color: var(--text-muted);
  margin-top: 8px;
  line-height: 1.4;
}
.metric-note {
  grid-column: 1 / -1;
  font-size: 11px;
  color: var(--gray-400);
  text-align: center;
  margin-top: 4px;
  letter-spacing: 0.02em;
}

/* --------------------------------- Final CTA -------------------------------- */
.final-cta {
  text-align: center;
}
.final-cta h2 {
  max-width: 720px;
  margin-inline: auto;
}
.final-cta p {
  max-width: 560px;
  margin: 16px auto 0;
  color: var(--text-muted);
  font-size: 18px;
}
.final-cta .cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-top: 30px;
}

/* --------------------------------- Footer ------------------------------------ */
.site-footer {
  background: var(--navy-950);
  color: var(--text-on-dark-muted);
  padding-block: 64px 28px;
}
.footer-grid {
  display: grid;
  gap: 36px;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.4fr repeat(4, 1fr);
    gap: 24px;
  }
}
.footer-brand p {
  font-size: 14px;
  margin-top: 14px;
  max-width: 260px;
  color: var(--text-on-dark-muted);
}
.footer-logo {
  display: inline-block;
  font-weight: 800;
  font-size: 19px;
  color: #fff;
  letter-spacing: -0.01em;
}
.footer-col h4 {
  color: #fff;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 11px;
}
.footer-col a {
  font-size: 14.5px;
  color: var(--text-on-dark-muted);
  transition: color var(--transition-fast);
}
.footer-col a:hover {
  color: #fff;
}
.footer-bottom {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-size: 13px;
}
@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}
.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-legal a:hover {
  color: #fff;
}
.social-row {
  display: flex;
  gap: 10px;
}
.social-row a {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.16);
  display: flex;
  align-items: center;
  justify-content: center;
}
.social-row svg {
  width: 15px;
  height: 15px;
}
.social-row a:hover {
  background: rgba(255, 255, 255, 0.08);
}

/* --------------------------------- Utility page bits -------------------------- */
.page-hero {
  background: linear-gradient(160deg, var(--navy-950) 0%, var(--navy-800) 100%);
  color: #fff;
  padding-block: 64px 60px;
}
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-on-dark-muted);
  margin-bottom: 20px;
}
.breadcrumbs a:hover {
  color: #fff;
}
.page-hero h1 {
  color: #fff;
  max-width: 780px;
}
.page-hero .lede {
  color: var(--text-on-dark-muted);
  max-width: 640px;
  margin-top: 16px;
}
.page-hero .hero-ctas {
  margin-top: 28px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  background: var(--gray-100);
  color: var(--navy-800);
}

.two-col {
  display: grid;
  gap: 40px;
}
@media (min-width: 1024px) {
  .two-col {
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
  }
}
.two-col.reverse {
  direction: rtl;
}
.two-col.reverse > * {
  direction: ltr;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.feature-list li {
  display: flex;
  gap: 14px;
}
.feature-list .ic {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: #e7efff;
  color: var(--blue-600);
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
}
.feature-list .ic svg {
  width: 19px;
  height: 19px;
}
.feature-list strong {
  display: block;
  font-size: 16px;
  color: var(--text-strong);
  margin-bottom: 3px;
}
.feature-list span {
  font-size: 14.5px;
  color: var(--text-muted);
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}
table.data-table th,
table.data-table td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-color);
}
table.data-table th {
  color: var(--text-muted);
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}
.table-scroll table {
  min-width: 640px;
}
.table-scroll table.data-table th,
.table-scroll table.data-table td {
  border-bottom: 1px solid var(--border-color);
  border-right: none;
}
.table-scroll table.data-table tr:last-child td {
  border-bottom: none;
}

.status-chip {
  display: inline-flex;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: var(--radius-full);
}
.status-chip.live {
  background: var(--green-100);
  color: var(--green-600);
}
.status-chip.pending {
  background: var(--amber-100);
  color: #b45309;
}

.stat-strip {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 768px) {
  .stat-strip {
    grid-template-columns: repeat(4, 1fr);
  }
}
.stat-box {
  padding: 22px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  text-align: center;
}
.stat-box .num {
  font-size: 26px;
  font-weight: 800;
  color: var(--navy-900);
}
.stat-box .lbl {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 6px;
}

.tag-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}
.tag-filter button {
  border: 1px solid var(--border-color);
  background: #fff;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-normal);
}
.tag-filter button.active {
  background: var(--navy-900);
  color: #fff;
  border-color: var(--navy-900);
}

.resource-card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}
.resource-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.resource-thumb {
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}
.resource-thumb svg {
  width: 34px;
  height: 34px;
}
.resource-body {
  padding: 20px;
}
.resource-kicker {
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--blue-600);
  margin-bottom: 8px;
}
.resource-card h3 {
  font-size: 17px;
  margin-bottom: 8px;
}
.resource-card p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.person-card {
  text-align: center;
}
.person-avatar {
  display: inline-block;
  box-sizing: border-box;
  width: 72px;
  height: 72px;
  min-width: 72px;
  max-width: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-600), var(--navy-800));
  color: #fff;
  text-align: center;
  vertical-align: middle;
  font-weight: 700;
  font-size: 22px;
  line-height: 72px;
  overflow: hidden;
  margin: 0 auto 14px;
}

/* Forms */
.form-card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 30px;
}
.form-row {
  margin-bottom: 18px;
}
.form-row.two {
  display: grid;
  gap: 18px;
}
@media (min-width: 560px) {
  .form-row.two {
    grid-template-columns: 1fr 1fr;
  }
}
.form-row label {
  display: block;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 7px;
}
.form-row .req {
  color: var(--red-500);
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-sm);
  color: var(--text-strong);
  background: #fff;
  transition: border-color var(--transition-fast);
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  border-color: var(--blue-500);
  outline: none;
}
.form-row .hint {
  font-size: 12.5px;
  color: var(--text-muted);
  margin-top: 6px;
}
.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 18px;
}
.checkbox-row input {
  width: 17px;
  height: 17px;
  margin-top: 2px;
  flex: none;
}
.checkbox-row label {
  font-size: 13.5px;
  color: var(--text-muted);
  font-weight: 400;
}

.notice-box {
  display: flex;
  gap: 12px;
  background: #eff6ff;
  border: 1px solid #dbeafe;
  border-radius: var(--radius-md);
  padding: 16px;
  font-size: 13.5px;
  color: var(--navy-800);
  margin-top: 20px;
}
.notice-box svg {
  width: 20px;
  height: 20px;
  color: var(--blue-600);
  flex: none;
}
.notice-box a {
  font-weight: 700;
  text-decoration: underline;
}

/* Honeypot anti-bot field: kept in the tab/DOM flow off-screen rather than
   display:none, since some automated form-fillers skip display:none inputs. */
.hp-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.field-error {
  display: none;
  color: var(--red-500);
  font-size: 12.5px;
  font-weight: 600;
  margin-top: 7px;
}
.field-error.visible {
  display: block;
}

.btn:disabled,
.btn[disabled] {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none !important;
}

.spinner {
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  display: inline-block;
  vertical-align: -2px;
  margin-right: 6px;
  animation: nehanet-spin 0.7s linear infinite;
}
@keyframes nehanet-spin {
  to {
    transform: rotate(360deg);
  }
}

.sidebar-card {
  background: var(--surface-alt);
  border-radius: var(--radius-lg);
  padding: 26px;
}
.sidebar-card h4 {
  font-size: 16px;
  margin-bottom: 14px;
}
.sidebar-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  color: var(--text-normal);
  margin-bottom: 12px;
}
.sidebar-list svg {
  width: 17px;
  height: 17px;
  color: var(--blue-600);
  flex: none;
  margin-top: 2px;
}

.anchor-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  position: sticky;
  top: 74px;
  background: #fff;
  padding-block: 14px;
  border-bottom: 1px solid var(--border-color);
  z-index: 10;
  margin-bottom: 8px;
}
.anchor-nav a {
  font-size: 13.5px;
  font-weight: 600;
  padding: 7px 13px;
  border-radius: var(--radius-full);
  color: var(--text-normal);
  border: 1px solid var(--border-color);
}
.anchor-nav a:hover {
  border-color: var(--blue-500);
  color: var(--blue-600);
}

.legal-block {
  border-top: 1px solid var(--border-color);
  padding-block: 36px;
}
.legal-block:first-of-type {
  border-top: none;
}
.legal-block h2 {
  font-size: 24px;
  margin-bottom: 12px;
}
.legal-block p,
.legal-block li {
  color: var(--text-normal);
  font-size: 15px;
}
.legal-block ul {
  margin-top: 10px;
  padding-left: 4px;
}
.legal-block li {
  display: flex;
  gap: 10px;
  margin-bottom: 8px;
}
.legal-block li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue-600);
  margin-top: 9px;
  flex: none;
}

.claim-note {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  color: var(--amber-500);
  background: var(--amber-100);
  padding: 3px 9px;
  border-radius: var(--radius-full);
  margin-left: 8px;
  vertical-align: middle;
}

.divider {
  height: 1px;
  background: var(--border-color);
  border: 0;
  margin: 48px 0;
}

.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--navy-900);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  z-index: 200;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top svg {
  width: 18px;
  height: 18px;
}

.text-center {
  text-align: center;
}
.mt-0 {
  margin-top: 0;
}
.mx-auto {
  margin-inline: auto;
}