/*
 * MetaFlow Brand System 2.0
 * Shared visual layer for metaflow.vn — 2026-07-24
 */

:root {
  --mf-navy-950: #03122f;
  --mf-navy-900: #061b46;
  --mf-navy-800: #0a2b67;
  --mf-blue-700: #084ecb;
  --mf-blue-600: #0d63ef;
  --mf-blue-500: #1686ff;
  --mf-cyan-400: #29b6f6;
  --mf-cyan-300: #65d9ff;
  --mf-ink: #0b1734;
  --mf-muted: #52647b;
  --mf-line: #dce7f5;
  --mf-surface: #f5f9ff;
  --mf-surface-strong: #eaf3ff;
  --mf-white: #ffffff;
  --mf-success: #087a4b;
  --mf-gradient: linear-gradient(135deg, var(--mf-blue-700), var(--mf-blue-500) 58%, var(--mf-cyan-400));
  --mf-gradient-dark: linear-gradient(145deg, var(--mf-navy-950), var(--mf-navy-800));
  --mf-shadow-sm: 0 8px 24px rgba(6, 27, 70, 0.08);
  --mf-shadow-md: 0 18px 50px rgba(6, 27, 70, 0.13);
  --mf-shadow-blue: 0 14px 32px rgba(13, 99, 239, 0.24);
  --mf-radius-sm: 12px;
  --mf-radius-md: 18px;
  --mf-radius-lg: 26px;

  --navy: var(--mf-navy-900);
  --navy-soft: var(--mf-navy-800);
  --blue: var(--mf-blue-600);
  --blue-dark: var(--mf-blue-700);
  --ink: var(--mf-ink);
  --muted: var(--mf-muted);
  --line: var(--mf-line);
  --bg-soft: var(--mf-surface);
  --ok: var(--mf-success);
  --radius: var(--mf-radius-md);
  --shadow: var(--mf-shadow-md);
  --container: 1180px;
  --header-h: 82px;
}

html {
  scroll-padding-top: calc(var(--header-h) + 18px);
}

body {
  color: var(--mf-ink);
  background:
    radial-gradient(circle at 5% 0%, rgba(41, 182, 246, 0.07), transparent 24rem),
    var(--mf-white);
}

::selection {
  color: var(--mf-white);
  background: var(--mf-blue-600);
}

a,
button,
input,
select,
textarea,
summary {
  -webkit-tap-highlight-color: transparent;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(41, 182, 246, 0.45);
  outline-offset: 3px;
}

.container {
  width: min(100% - 2.25rem, var(--container));
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--mf-blue-700);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  border-radius: 999px;
  background: var(--mf-gradient);
}

h1,
h2,
h3 {
  color: var(--mf-navy-900);
  letter-spacing: -0.035em;
}

h1 {
  max-width: 15ch;
  font-size: clamp(2.35rem, 5vw, 4.15rem);
  line-height: 1.08;
}

h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.65rem);
  line-height: 1.13;
}

h3 {
  line-height: 1.3;
}

.lead {
  color: var(--mf-muted);
  font-size: clamp(1rem, 1.6vw, 1.13rem);
  line-height: 1.75;
}

.site-header {
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(220, 231, 245, 0.78);
  -webkit-backdrop-filter: blur(18px) saturate(145%);
  backdrop-filter: blur(18px) saturate(145%);
}

.site-header.is-scrolled {
  border-bottom-color: var(--mf-line);
  box-shadow: 0 12px 38px rgba(3, 18, 47, 0.09);
}

.header-inner {
  height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: 145px;
  height: 72px;
  min-width: 145px;
  overflow: hidden;
}

.brand-logo {
  width: 145px;
  height: 72px;
  flex: 0 0 145px;
  object-fit: cover;
  object-position: center 49%;
}

.brand::after {
  display: none;
  content: "";
}

.nav {
  gap: 0.18rem;
  margin-left: 1rem;
}

.nav a {
  position: relative;
  padding: 0.64rem 0.72rem;
  border-radius: 10px;
  color: #29415f;
  font-size: 0.9rem;
  font-weight: 650;
  transition: color 160ms ease, background 160ms ease;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--mf-blue-700);
  background: rgba(13, 99, 239, 0.07);
}

.nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  right: 0.72rem;
  bottom: 0.28rem;
  left: 0.72rem;
  height: 2px;
  border-radius: 999px;
  background: var(--mf-gradient);
}

.header-actions .btn {
  min-height: 44px;
  border-radius: 12px;
}

.menu-toggle {
  border-color: var(--mf-line);
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(6, 27, 70, 0.06);
}

.menu-toggle span {
  background: var(--mf-navy-900);
}

.btn {
  min-height: 50px;
  padding: 0.78rem 1.28rem;
  border-radius: 13px;
  font-weight: 750;
  letter-spacing: -0.012em;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    color 160ms ease,
    border-color 160ms ease,
    background 160ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: var(--mf-white);
  background: var(--mf-gradient);
  border-color: transparent;
  box-shadow: var(--mf-shadow-blue);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #063fa7, #0d63ef 58%, #20a8e8);
  box-shadow: 0 18px 38px rgba(13, 99, 239, 0.3);
}

.btn-secondary {
  color: var(--mf-navy-900);
  background: rgba(255, 255, 255, 0.88);
  border-color: #cfdced;
  box-shadow: 0 7px 18px rgba(6, 27, 70, 0.05);
}

.btn-secondary:hover {
  color: var(--mf-blue-700);
  border-color: rgba(13, 99, 239, 0.48);
  background: var(--mf-white);
  box-shadow: var(--mf-shadow-sm);
}

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: min(760px, calc(100vh - var(--header-h)));
  padding: clamp(4.5rem, 8vw, 7.5rem) 0;
  background:
    radial-gradient(circle at 84% 18%, rgba(41, 182, 246, 0.21), transparent 28rem),
    radial-gradient(circle at 5% 90%, rgba(13, 99, 239, 0.1), transparent 28rem),
    linear-gradient(145deg, #fafdff 0%, #f0f7ff 48%, #ffffff 100%);
}

.hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  opacity: 0.45;
  background-image:
    linear-gradient(rgba(8, 78, 203, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 78, 203, 0.055) 1px, transparent 1px);
  background-size: 42px 42px;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 45%, #000);
  mask-image: linear-gradient(to right, transparent, #000 45%, #000);
}

.hero-grid {
  gap: clamp(2.5rem, 6vw, 5.5rem);
}

.hero .eyebrow {
  padding: 0.5rem 0.75rem;
  border: 1px solid rgba(13, 99, 239, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 8px 25px rgba(6, 27, 70, 0.06);
}

.hero .lead {
  max-width: 38rem;
}

.trust-row {
  gap: 0.65rem 1rem;
  color: #425873;
  font-size: 0.88rem;
  font-weight: 550;
}

.trust-row li {
  padding-left: 1.25rem;
}

.trust-row li::before {
  top: 0.24rem;
  width: 15px;
  height: 15px;
  color: var(--mf-blue-700);
  background: rgba(13, 99, 239, 0.12);
  box-shadow: inset 0 0 0 4px rgba(13, 99, 239, 0.12);
}

.device-stack {
  min-height: 360px;
  transform: perspective(1100px) rotateY(-4deg) rotateX(1deg);
}

.device-laptop,
.device-phone {
  background:
    radial-gradient(circle at 78% 8%, rgba(41, 182, 246, 0.28), transparent 42%),
    var(--mf-gradient-dark);
  border-color: rgba(101, 217, 255, 0.22);
  box-shadow:
    0 38px 90px rgba(3, 18, 47, 0.27),
    0 0 0 1px rgba(101, 217, 255, 0.08) inset;
}

.device-laptop {
  min-height: 300px;
  padding: 1.15rem;
  border-radius: 22px;
}

.device-phone {
  right: 1%;
  bottom: -2%;
  border-color: var(--mf-navy-950);
  border-radius: 22px;
}

.ui-card {
  background: rgba(255, 255, 255, 0.075);
  border-color: rgba(101, 217, 255, 0.16);
  border-radius: 14px;
}

.ui-line.strong {
  background: linear-gradient(90deg, var(--mf-blue-500), var(--mf-cyan-300));
}

.section {
  padding: clamp(4.75rem, 8vw, 7rem) 0;
}

.section-soft {
  background:
    radial-gradient(circle at 100% 0%, rgba(41, 182, 246, 0.08), transparent 24rem),
    var(--mf-surface);
}

.section-head {
  max-width: 48rem;
  margin-bottom: 2.6rem;
}

.section-head .lead {
  max-width: 46rem;
}

.page-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(3.75rem, 7vw, 6.5rem) 0 clamp(3rem, 5vw, 4.5rem);
  background:
    radial-gradient(circle at 84% 20%, rgba(41, 182, 246, 0.16), transparent 24rem),
    linear-gradient(145deg, #f8fbff, #edf5ff);
  border-bottom-color: var(--mf-line);
}

.page-hero::after {
  content: "";
  position: absolute;
  right: -8rem;
  bottom: -14rem;
  width: 32rem;
  height: 32rem;
  border: 1px solid rgba(13, 99, 239, 0.12);
  border-radius: 50%;
  box-shadow:
    0 0 0 55px rgba(13, 99, 239, 0.035),
    0 0 0 110px rgba(41, 182, 246, 0.025);
}

.industry-grid,
.pain-grid,
.pillar-grid,
.product-grid,
.project-grid,
.trust-grid,
.shot-grid,
.audience-overview {
  gap: 1.2rem;
}

:where(
  .industry-item,
  .pain-item,
  .pillar-item,
  .product-item,
  .project-item,
  .step-item,
  .trust-item,
  .shot-item,
  .audience-card,
  .faq-item,
  .demo-access,
  .form-card
) {
  position: relative;
  overflow: hidden;
  border-color: var(--mf-line);
  border-radius: var(--mf-radius-md);
  box-shadow: 0 9px 28px rgba(6, 27, 70, 0.055);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

:where(
  .industry-item,
  .pain-item,
  .pillar-item,
  .product-item,
  .project-item,
  .trust-item,
  .shot-item,
  .audience-card
)::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  opacity: 0;
  background: var(--mf-gradient);
  transition: opacity 180ms ease;
}

:where(
  .industry-item,
  .pain-item,
  .pillar-item,
  .product-item,
  .project-item,
  .trust-item,
  .shot-item,
  .audience-card
):hover {
  z-index: 1;
  transform: translateY(-5px);
  border-color: rgba(13, 99, 239, 0.24);
  box-shadow: var(--mf-shadow-md);
}

:where(
  .industry-item,
  .pain-item,
  .pillar-item,
  .product-item,
  .project-item,
  .trust-item,
  .shot-item,
  .audience-card
):hover::before {
  opacity: 1;
}

.pain-item,
.pillar-item,
.product-item,
.project-item,
.trust-item,
.industry-item,
.audience-card {
  padding: 1.45rem 1.5rem;
}

.pillar-grid .pillar-item:nth-child(2) {
  border-color: rgba(13, 99, 239, 0.34);
  box-shadow: var(--mf-shadow-md);
}

.pillar-grid .pillar-item:nth-child(2)::before {
  opacity: 1;
}

.meta,
.pain-item span {
  color: var(--mf-muted);
  line-height: 1.7;
}

.tags span,
.cms-chip {
  color: var(--mf-navy-800);
  background: var(--mf-surface);
  border-color: var(--mf-line);
}

.step-item {
  padding: 1.35rem 1.5rem;
}

.step-num {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 13px;
  color: var(--mf-white);
  background: var(--mf-gradient);
  box-shadow: 0 10px 22px rgba(13, 99, 239, 0.18);
}

.shot-item {
  padding: 0.72rem 0.72rem 1.15rem;
}

.shot-frame,
.keyword-shot {
  border-color: var(--mf-line);
  border-radius: 15px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.75);
}

.shot-frame img {
  transition: transform 350ms ease;
}

.shot-item:hover .shot-frame img {
  transform: scale(1.025);
}

.demo-access {
  max-width: none;
  padding: 1.5rem;
  background:
    radial-gradient(circle at 100% 0%, rgba(41, 182, 246, 0.11), transparent 20rem),
    var(--mf-white);
}

.demo-access-table th {
  color: var(--mf-navy-800);
  background: var(--mf-surface);
}

.demo-access-table td,
.demo-access-table th {
  padding: 0.72rem 0.8rem;
}

.demo-access-table code {
  color: var(--mf-navy-800);
  background: var(--mf-surface-strong);
}

.faq-item {
  padding: 1rem 1.15rem;
}

.faq-item summary {
  color: var(--mf-navy-900);
}

.faq-item summary::after {
  display: inline-grid;
  width: 25px;
  height: 25px;
  place-items: center;
  border-radius: 8px;
  background: var(--mf-surface-strong);
}

.form-card {
  padding: clamp(1.25rem, 3vw, 2rem);
}

.form-grid input,
.form-grid select,
.form-grid textarea,
.cms-toolbar input,
.cms-toolbar select {
  border-color: #cedbec;
  border-radius: 12px;
  background: #fbfdff;
  transition:
    border-color 150ms ease,
    box-shadow 150ms ease,
    background 150ms ease;
}

.form-grid input:focus,
.form-grid select:focus,
.form-grid textarea:focus,
.cms-toolbar input:focus,
.cms-toolbar select:focus {
  outline: 0;
  border-color: var(--mf-blue-500);
  background: var(--mf-white);
  box-shadow: 0 0 0 4px rgba(13, 99, 239, 0.11);
}

.cta-final {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 84% 12%, rgba(41, 182, 246, 0.2), transparent 25rem),
    var(--mf-gradient-dark);
}

.cta-final::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.2;
  background-image:
    linear-gradient(rgba(101, 217, 255, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(101, 217, 255, 0.12) 1px, transparent 1px);
  background-size: 38px 38px;
}

.cta-final .container {
  position: relative;
}

.cta-final .btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.25);
}

.site-footer {
  position: relative;
  background: var(--mf-navy-950);
  border-top: 1px solid rgba(101, 217, 255, 0.12);
}

.site-footer .footer-inner {
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}

.footer-logo {
  width: 160px;
  height: 80px;
  padding: 0;
  border-radius: 14px;
  object-fit: cover;
  object-position: center 50%;
  background: #fff;
  filter: none;
  opacity: 1;
}

.site-footer .footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem 1.25rem;
  align-content: start;
}

.footer-links a {
  display: flex;
  min-width: 0;
  min-height: 44px;
  align-items: center;
  padding: 0.55rem 0.7rem;
  border-radius: 10px;
  color: #c8d8ee;
  transition:
    color 150ms ease,
    background 150ms ease;
}

.footer-links a:hover {
  color: var(--mf-cyan-300);
  background: rgba(255, 255, 255, 0.055);
}

.zalo-float {
  right: 1.2rem;
  bottom: 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.28);
  box-shadow: 0 16px 36px rgba(0, 104, 255, 0.34);
  transition:
    transform 160ms ease,
    box-shadow 160ms ease;
}

.zalo-float:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 42px rgba(0, 104, 255, 0.42);
}

.cms-topbar {
  background:
    radial-gradient(circle at 85% 0%, rgba(41, 182, 246, 0.2), transparent 22rem),
    var(--mf-gradient-dark);
}

.cms-tabs button.is-active,
.cms-action {
  background: var(--mf-gradient);
}

@media (max-width: 1079px) and (min-width: 840px) {
  .nav a {
    padding-inline: 0.48rem;
    font-size: 0.82rem;
  }

  .header-actions .btn {
    display: none;
  }
}

@media (max-width: 839px) {
  :root {
    --header-h: 72px;
  }

  .container {
    width: min(100% - 1.35rem, var(--container));
  }

  .brand {
    width: 120px;
    height: 60px;
    min-width: 120px;
  }

  .brand-logo {
    width: 120px;
    height: 60px;
    flex-basis: 120px;
    object-position: center 49%;
  }

  .brand::after {
    font-size: 1.25rem;
  }

  .site-header.is-open .nav {
    gap: 0.25rem;
    padding: 0.75rem;
    border-bottom-color: var(--mf-line);
    box-shadow: 0 22px 45px rgba(3, 18, 47, 0.16);
  }

  .site-header.is-open .nav a {
    padding: 0.85rem 0.9rem;
    border: 0;
    border-radius: 11px;
  }

  .nav a[aria-current="page"]::after {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: 4.3rem 0 5.2rem;
  }

  .hero::before {
    -webkit-mask-image: linear-gradient(to bottom, transparent, #000 50%);
    mask-image: linear-gradient(to bottom, transparent, #000 50%);
  }

  .hero h1 {
    max-width: none;
  }

  .device-stack {
    min-height: 300px;
    transform: none;
  }

  .device-laptop {
    min-height: 250px;
  }

  .section {
    padding: 4.4rem 0;
  }

  .btn-row .btn {
    flex: 1 1 210px;
  }

  .zalo-float {
    right: 0.75rem;
    bottom: 0.75rem;
    padding: 0.62rem 0.82rem;
  }

  .site-footer .footer-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .site-footer {
    padding-bottom: 5.5rem;
  }

  .site-footer .footer-links {
    gap: 0.5rem 0.75rem;
  }
}

@media (max-width: 420px) {
  .brand {
    width: 112px;
    height: 56px;
    min-width: 112px;
  }

  .brand-logo {
    width: 112px;
    height: 56px;
    flex-basis: 112px;
    object-position: center 49%;
  }

  .brand::after {
    font-size: 1.12rem;
  }

  .menu-toggle {
    width: 40px;
    height: 40px;
  }

  .hero .eyebrow {
    border-radius: 12px;
  }

}

@media (max-width: 340px) {
  .site-footer .footer-links {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* MetaFlow OS — OS-first positioning */
.mf-os-page {
  overflow-x: hidden;
}

.mf-os-page main {
  min-height: 60vh;
}

.mf-os-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(4.5rem, 8vw, 7.4rem) 0 clamp(4.8rem, 8vw, 7rem);
  background:
    radial-gradient(circle at 78% 20%, rgba(41, 182, 246, 0.18), transparent 28rem),
    radial-gradient(circle at 8% 92%, rgba(13, 99, 239, 0.12), transparent 25rem),
    linear-gradient(145deg, #fafdff 0%, #eef6ff 52%, #ffffff 100%);
}

.mf-os-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  opacity: 0.46;
  background-image:
    linear-gradient(rgba(8, 78, 203, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 78, 203, 0.055) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 44%, #000 100%);
  mask-image: linear-gradient(90deg, transparent 0, #000 44%, #000 100%);
}

.mf-os-hero-grid {
  display: grid;
  gap: clamp(2.8rem, 6vw, 5.2rem);
  align-items: center;
}

.mf-os-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1rem;
  padding: 0.5rem 0.78rem;
  color: var(--mf-blue-700);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid rgba(13, 99, 239, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0 8px 25px rgba(6, 27, 70, 0.06);
}

.mf-os-kicker::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mf-cyan-400);
  box-shadow: 0 0 0 5px rgba(41, 182, 246, 0.13);
}

.mf-os-hero h1 {
  max-width: 12ch;
  font-size: clamp(2.65rem, 5.5vw, 4.65rem);
}

.mf-gradient-text {
  color: var(--mf-blue-600);
  background: var(--mf-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.mf-os-hero .lead {
  max-width: 43rem;
}

.mf-os-window {
  position: relative;
  overflow: hidden;
  min-height: 440px;
  border: 1px solid rgba(101, 217, 255, 0.25);
  border-radius: 24px;
  color: #dcecff;
  background:
    radial-gradient(circle at 78% 8%, rgba(41, 182, 246, 0.22), transparent 42%),
    linear-gradient(145deg, #03122f, #0a2b67);
  box-shadow:
    0 38px 90px rgba(3, 18, 47, 0.28),
    0 0 0 1px rgba(101, 217, 255, 0.08) inset;
  transform: perspective(1300px) rotateY(-3deg) rotateX(1deg);
}

.mf-os-window-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 48px;
  padding: 0 1rem;
  border-bottom: 1px solid rgba(101, 217, 255, 0.14);
  background: rgba(0, 0, 0, 0.13);
}

.mf-os-window-bar i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.34);
}

.mf-os-window-bar strong {
  margin-left: 0.5rem;
  color: #ffffff;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.mf-os-shell {
  display: grid;
  grid-template-columns: 88px 1fr;
  min-height: 392px;
}

.mf-os-sidebar {
  display: grid;
  align-content: start;
  gap: 0.7rem;
  padding: 1rem 0.8rem;
  border-right: 1px solid rgba(101, 217, 255, 0.13);
  background: rgba(3, 18, 47, 0.38);
}

.mf-os-sidebar span {
  display: grid;
  min-height: 50px;
  place-items: center;
  color: #a9c9ee;
  font-size: 0.66rem;
  font-weight: 750;
  text-align: center;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.055);
}

.mf-os-sidebar span:first-child {
  color: #ffffff;
  background: linear-gradient(145deg, rgba(13, 99, 239, 0.85), rgba(41, 182, 246, 0.65));
  box-shadow: 0 10px 22px rgba(13, 99, 239, 0.3);
}

.mf-os-desktop {
  padding: 1.15rem;
}

.mf-os-desktop-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.mf-os-desktop-top span {
  display: block;
  color: #8fb8e7;
  font-size: 0.72rem;
}

.mf-os-desktop-top strong {
  color: #ffffff;
  font-size: 1.05rem;
}

.mf-os-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.38rem 0.6rem;
  color: #9fffd8;
  font-size: 0.67rem;
  font-weight: 750;
  border: 1px solid rgba(93, 255, 189, 0.2);
  border-radius: 999px;
  background: rgba(8, 122, 75, 0.2);
}

.mf-os-status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #5dffbd;
  box-shadow: 0 0 0 4px rgba(93, 255, 189, 0.09);
}

.mf-os-apps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.7rem;
}

.mf-os-app {
  display: grid;
  align-content: end;
  min-height: 94px;
  padding: 0.8rem;
  border: 1px solid rgba(101, 217, 255, 0.13);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.07);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.mf-os-app::before {
  content: "";
  width: 27px;
  height: 27px;
  margin-bottom: auto;
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(41, 182, 246, 0.92), rgba(13, 99, 239, 0.56));
  box-shadow: 0 8px 18px rgba(13, 99, 239, 0.25);
}

.mf-os-app strong {
  margin-top: 0.65rem;
  color: #ffffff;
  font-size: 0.7rem;
  letter-spacing: -0.01em;
}

.mf-os-app small {
  color: #8fb8e7;
  font-size: 0.58rem;
}

.mf-proof-strip {
  position: relative;
  z-index: 2;
  margin-top: -2rem;
}

.mf-proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
  border: 1px solid var(--mf-line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--mf-shadow-md);
}

.mf-proof-item {
  padding: 1.25rem 1.1rem;
  text-align: center;
}

.mf-proof-item + .mf-proof-item {
  border-left: 1px solid var(--mf-line);
}

.mf-proof-item strong {
  display: block;
  color: var(--mf-navy-900);
  font-size: 0.96rem;
}

.mf-proof-item span {
  color: var(--mf-muted);
  font-size: 0.78rem;
}

.mf-os-module-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.mf-os-module-card {
  position: relative;
  overflow: hidden;
  min-height: 210px;
  padding: 1.45rem;
  border: 1px solid var(--mf-line);
  border-radius: var(--mf-radius-md);
  background: #ffffff;
  box-shadow: 0 9px 28px rgba(6, 27, 70, 0.055);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.mf-os-module-card::after {
  content: attr(data-code);
  position: absolute;
  right: 1rem;
  bottom: -0.4rem;
  color: rgba(13, 99, 239, 0.06);
  font-size: 3.7rem;
  font-weight: 800;
  letter-spacing: -0.08em;
}

.mf-os-module-card:hover {
  transform: translateY(-5px);
  border-color: rgba(13, 99, 239, 0.3);
  box-shadow: var(--mf-shadow-md);
}

.mf-os-icon {
  display: grid;
  width: 44px;
  height: 44px;
  margin-bottom: 1rem;
  place-items: center;
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 800;
  border-radius: 13px;
  background: var(--mf-gradient);
  box-shadow: 0 12px 24px rgba(13, 99, 239, 0.2);
}

.mf-os-module-card h3 {
  margin-bottom: 0.45rem;
}

.mf-os-module-card p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: var(--mf-muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

.mf-os-compare {
  display: grid;
  gap: 1rem;
}

.mf-os-compare-card {
  padding: clamp(1.5rem, 3vw, 2.2rem);
  border: 1px solid var(--mf-line);
  border-radius: 22px;
  background: #ffffff;
}

.mf-os-compare-card.is-os {
  color: #dcecff;
  border-color: rgba(101, 217, 255, 0.18);
  background:
    radial-gradient(circle at 100% 0%, rgba(41, 182, 246, 0.18), transparent 18rem),
    var(--mf-gradient-dark);
  box-shadow: var(--mf-shadow-md);
}

.mf-os-compare-card h3 {
  margin-bottom: 1.1rem;
  font-size: 1.35rem;
}

.mf-os-compare-card.is-os h3 {
  color: #ffffff;
}

.mf-check-list,
.mf-x-list {
  display: grid;
  gap: 0.85rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.mf-check-list li,
.mf-x-list li {
  position: relative;
  padding-left: 1.75rem;
  color: var(--mf-muted);
}

.mf-check-list li::before,
.mf-x-list li::before {
  position: absolute;
  top: 0.05rem;
  left: 0;
  display: grid;
  width: 21px;
  height: 21px;
  place-items: center;
  border-radius: 7px;
  font-size: 0.7rem;
  font-weight: 800;
}

.mf-check-list li::before {
  content: "✓";
  color: #b6ffe0;
  background: rgba(93, 255, 189, 0.13);
}

.mf-x-list li::before {
  content: "×";
  color: #8b9bb0;
  background: #eef3f8;
}

.mf-os-compare-card.is-os .mf-check-list li {
  color: #c9dbf1;
}

.mf-os-layer-stack {
  display: grid;
  gap: 0.8rem;
}

.mf-os-layer {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 1.2rem;
  align-items: center;
  padding: 1.15rem 1.25rem;
  border: 1px solid var(--mf-line);
  border-radius: 16px;
  background: #ffffff;
  box-shadow: 0 7px 22px rgba(6, 27, 70, 0.045);
}

.mf-os-layer strong {
  color: var(--mf-navy-900);
}

.mf-os-layer span {
  color: var(--mf-muted);
  line-height: 1.7;
}

.mf-os-layer:first-child {
  border-color: rgba(13, 99, 239, 0.35);
  background: linear-gradient(90deg, #edf5ff, #ffffff);
}

.mf-os-ecosystem {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.mf-os-ecosystem article {
  padding: 1.45rem;
  border: 1px solid var(--mf-line);
  border-radius: var(--mf-radius-md);
  background: #ffffff;
}

.mf-os-ecosystem .tags {
  margin-bottom: 0;
}

.mf-os-editions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.mf-os-edition {
  position: relative;
  padding: 1.6rem;
  border: 1px solid var(--mf-line);
  border-radius: 20px;
  background: #ffffff;
  box-shadow: var(--mf-shadow-sm);
}

.mf-os-edition.is-featured {
  border-color: rgba(13, 99, 239, 0.42);
  box-shadow: var(--mf-shadow-md);
}

.mf-os-edition.is-featured::before {
  content: "Khuyến nghị";
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.3rem 0.55rem;
  color: var(--mf-blue-700);
  font-size: 0.68rem;
  font-weight: 800;
  border-radius: 999px;
  background: var(--mf-surface-strong);
}

.mf-os-edition p {
  color: var(--mf-muted);
  line-height: 1.7;
}

.mf-os-page-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(4rem, 7vw, 6.8rem) 0;
  color: #dcecff;
  background:
    radial-gradient(circle at 82% 14%, rgba(41, 182, 246, 0.22), transparent 28rem),
    var(--mf-gradient-dark);
}

.mf-os-page-hero::after {
  content: "OS";
  position: absolute;
  right: -0.03em;
  bottom: -0.33em;
  color: rgba(255, 255, 255, 0.035);
  font-size: clamp(13rem, 31vw, 30rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.12em;
}

.mf-os-page-hero .container {
  position: relative;
  z-index: 1;
}

.mf-os-page-hero h1 {
  max-width: 13ch;
  color: #ffffff;
}

.mf-os-page-hero .lead {
  max-width: 48rem;
  color: #bcd1e9;
}

.mf-os-page-hero .mf-os-kicker {
  color: #bceeff;
  border-color: rgba(101, 217, 255, 0.2);
  background: rgba(255, 255, 255, 0.06);
}

.mf-os-principles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.mf-os-principles article {
  padding: 1.25rem;
  border: 1px solid rgba(101, 217, 255, 0.14);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.055);
}

.mf-os-principles strong {
  display: block;
  margin-bottom: 0.4rem;
  color: #ffffff;
}

.mf-os-principles span {
  color: #a9c4e1;
  font-size: 0.9rem;
}

.mf-os-callout {
  display: grid;
  gap: 1.2rem;
  align-items: center;
  padding: clamp(1.6rem, 4vw, 2.5rem);
  border: 1px solid rgba(13, 99, 239, 0.2);
  border-radius: 24px;
  background:
    radial-gradient(circle at 90% 10%, rgba(41, 182, 246, 0.12), transparent 22rem),
    #ffffff;
  box-shadow: var(--mf-shadow-md);
}

.mf-os-callout p {
  margin: 0.65rem 0 0;
  color: var(--mf-muted);
}

.mf-os-page .site-footer .footer-logo {
  width: 160px;
  height: 80px;
  object-fit: cover;
  object-position: center 50%;
  background: #fff;
  filter: none;
}

@media (min-width: 840px) {
  .mf-os-hero-grid {
    grid-template-columns: 1.03fr 0.97fr;
  }

  .mf-os-compare {
    grid-template-columns: 0.85fr 1.15fr;
  }

  .mf-os-callout {
    grid-template-columns: 1fr auto;
  }
}

@media (max-width: 1079px) {
  .mf-os-module-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .mf-os-principles {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 839px) {
  .mf-os-hero {
    padding-top: 3.8rem;
  }

  .mf-os-hero h1,
  .mf-os-page-hero h1 {
    max-width: none;
  }

  .mf-os-window {
    min-height: 400px;
    transform: none;
  }

  .mf-os-shell {
    grid-template-columns: 68px 1fr;
  }

  .mf-os-sidebar {
    padding-inline: 0.55rem;
  }

  .mf-os-apps {
    grid-template-columns: repeat(2, 1fr);
  }

  .mf-os-app:nth-child(n + 5) {
    display: none;
  }

  .mf-proof-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .mf-proof-item:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--mf-line);
  }

  .mf-proof-item:nth-child(4) {
    border-top: 1px solid var(--mf-line);
  }

  .mf-os-ecosystem,
  .mf-os-editions {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .mf-os-module-grid,
  .mf-os-principles {
    grid-template-columns: 1fr;
  }

  .mf-os-window {
    min-height: 370px;
    border-radius: 18px;
  }

  .mf-os-shell {
    grid-template-columns: 58px 1fr;
    min-height: 322px;
  }

  .mf-os-sidebar span {
    min-height: 43px;
    font-size: 0.55rem;
  }

  .mf-os-desktop {
    padding: 0.85rem;
  }

  .mf-os-desktop-top {
    display: block;
  }

  .mf-os-status {
    margin-top: 0.5rem;
  }

  .mf-os-app {
    min-height: 80px;
    padding: 0.6rem;
  }

  .mf-os-app::before {
    width: 22px;
    height: 22px;
  }

  .mf-os-layer {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
}

/* About MetaFlow — credibility profile */
.mf-about-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(4.2rem, 8vw, 7rem) 0;
  color: #dcecff;
  background:
    radial-gradient(circle at 82% 12%, rgba(41, 182, 246, 0.22), transparent 29rem),
    radial-gradient(circle at 8% 100%, rgba(13, 99, 239, 0.18), transparent 26rem),
    var(--mf-gradient-dark);
}

.mf-about-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(101, 217, 255, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(101, 217, 255, 0.12) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 42%, #000);
  mask-image: linear-gradient(90deg, transparent, #000 42%, #000);
}

.mf-about-hero-grid {
  display: grid;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

.mf-about-hero h1 {
  max-width: 13ch;
  color: #ffffff;
}

.mf-about-hero .lead {
  max-width: 45rem;
  color: #bad0e8;
}

.mf-about-hero .mf-os-kicker {
  color: #bceeff;
  border-color: rgba(101, 217, 255, 0.2);
  background: rgba(255, 255, 255, 0.06);
}

.mf-profile-card {
  position: relative;
  overflow: hidden;
  padding: clamp(1.4rem, 3vw, 2rem);
  border: 1px solid rgba(101, 217, 255, 0.2);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.075);
  box-shadow:
    0 28px 70px rgba(0, 0, 0, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.mf-profile-card::after {
  content: "MF";
  position: absolute;
  right: -0.08em;
  bottom: -0.31em;
  color: rgba(255, 255, 255, 0.035);
  font-size: 11rem;
  font-weight: 800;
  letter-spacing: -0.12em;
}

.mf-profile-head {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid rgba(101, 217, 255, 0.14);
}

.mf-profile-mark {
  display: grid;
  width: 58px;
  height: 58px;
  flex: 0 0 auto;
  place-items: center;
  color: #ffffff;
  font-weight: 800;
  border-radius: 17px;
  background: var(--mf-gradient);
  box-shadow: 0 14px 30px rgba(13, 99, 239, 0.3);
}

.mf-profile-head span {
  display: block;
  color: #87add7;
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.mf-profile-head strong {
  display: block;
  color: #ffffff;
  font-size: 1.15rem;
}

.mf-profile-list {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0.82rem;
  margin: 1.25rem 0 0;
}

.mf-profile-list div {
  display: grid;
  grid-template-columns: 118px 1fr;
  gap: 0.8rem;
}

.mf-profile-list dt {
  color: #7fa5cf;
  font-size: 0.78rem;
  font-weight: 650;
}

.mf-profile-list dd {
  margin: 0;
  color: #e9f3ff;
  font-size: 0.88rem;
  font-weight: 550;
}

.mf-trust-strip {
  position: relative;
  z-index: 2;
  margin-top: -2rem;
}

.mf-trust-strip-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
  border: 1px solid var(--mf-line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.97);
  box-shadow: var(--mf-shadow-md);
}

.mf-trust-signal {
  padding: 1.25rem 1.1rem;
  text-align: center;
}

.mf-trust-signal + .mf-trust-signal {
  border-left: 1px solid var(--mf-line);
}

.mf-trust-signal strong {
  display: block;
  color: var(--mf-navy-900);
  font-size: 0.95rem;
}

.mf-trust-signal span {
  color: var(--mf-muted);
  font-size: 0.78rem;
}

.mf-about-story {
  display: grid;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}

.mf-about-story-copy p {
  color: var(--mf-muted);
  line-height: 1.8;
}

.mf-about-quote {
  position: relative;
  margin: 1.3rem 0 0;
  padding: 1.2rem 1.25rem 1.2rem 1.5rem;
  color: var(--mf-navy-800);
  font-size: 1.02rem;
  font-weight: 650;
  line-height: 1.7;
  border-left: 4px solid var(--mf-blue-600);
  border-radius: 0 14px 14px 0;
  background: var(--mf-surface);
}

.mf-about-focus {
  display: grid;
  gap: 0.85rem;
}

.mf-focus-row {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1.1rem;
  border: 1px solid var(--mf-line);
  border-radius: 16px;
  background: #ffffff;
  box-shadow: 0 7px 22px rgba(6, 27, 70, 0.045);
}

.mf-focus-row span {
  display: grid;
  width: 43px;
  height: 43px;
  place-items: center;
  color: var(--mf-blue-700);
  font-size: 0.72rem;
  font-weight: 800;
  border-radius: 12px;
  background: var(--mf-surface-strong);
}

.mf-focus-row strong {
  display: block;
  color: var(--mf-navy-900);
}

.mf-focus-row small {
  display: block;
  margin-top: 0.2rem;
  color: var(--mf-muted);
  font-size: 0.84rem;
  line-height: 1.6;
}

.mf-founder-grid {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.mf-founder-identity {
  position: relative;
  min-height: 410px;
  overflow: hidden;
  padding: 2rem;
  border: 1px solid rgba(101, 217, 255, 0.18);
  border-radius: 24px;
  color: #dcecff;
  background:
    radial-gradient(circle at 80% 10%, rgba(41, 182, 246, 0.2), transparent 20rem),
    var(--mf-gradient-dark);
  box-shadow: var(--mf-shadow-md);
}

.mf-founder-monogram {
  position: absolute;
  right: -0.08em;
  bottom: -0.28em;
  color: rgba(255, 255, 255, 0.045);
  font-size: 15rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.13em;
}

.mf-founder-identity img {
  width: 150px;
  height: auto;
  margin-bottom: 3.5rem;
  filter: brightness(0) invert(1);
}

.mf-founder-identity p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: #8db4dd;
  font-size: 0.75rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.mf-founder-identity h2 {
  position: relative;
  z-index: 1;
  margin: 0.35rem 0;
  color: #ffffff;
}

.mf-founder-identity strong {
  position: relative;
  z-index: 1;
  color: #bdeeff;
}

.mf-founder-copy > p {
  color: var(--mf-muted);
  line-height: 1.8;
}

.mf-founder-points {
  display: grid;
  gap: 0.75rem;
  margin: 1.35rem 0 0;
  padding: 0;
  list-style: none;
}

.mf-founder-points li {
  position: relative;
  padding-left: 1.65rem;
  color: var(--mf-muted);
}

.mf-founder-points li::before {
  content: "✓";
  position: absolute;
  top: 0.06rem;
  left: 0;
  display: grid;
  width: 20px;
  height: 20px;
  place-items: center;
  color: var(--mf-blue-700);
  font-size: 0.68rem;
  font-weight: 800;
  border-radius: 7px;
  background: var(--mf-surface-strong);
}

.mf-evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.mf-evidence-card {
  display: flex;
  min-height: 245px;
  flex-direction: column;
  padding: 1.45rem;
  border: 1px solid var(--mf-line);
  border-radius: var(--mf-radius-md);
  background: #ffffff;
  box-shadow: 0 9px 28px rgba(6, 27, 70, 0.055);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.mf-evidence-card:hover {
  transform: translateY(-5px);
  border-color: rgba(13, 99, 239, 0.28);
  box-shadow: var(--mf-shadow-md);
}

.mf-evidence-code {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 1rem;
  padding: 0.3rem 0.55rem;
  color: var(--mf-blue-700);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  border-radius: 999px;
  background: var(--mf-surface-strong);
}

.mf-evidence-card p {
  color: var(--mf-muted);
  line-height: 1.7;
}

.mf-evidence-card a {
  margin-top: auto;
  color: var(--mf-blue-700);
  font-weight: 750;
}

.mf-evidence-card a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.mf-commitment-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.mf-commitment-card {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 1rem;
  padding: 1.25rem;
  border: 1px solid var(--mf-line);
  border-radius: 17px;
  background: #ffffff;
}

.mf-commitment-card > span {
  display: grid;
  width: 43px;
  height: 43px;
  place-items: center;
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 800;
  border-radius: 12px;
  background: var(--mf-gradient);
  box-shadow: 0 10px 22px rgba(13, 99, 239, 0.18);
}

.mf-commitment-card strong {
  display: block;
  color: var(--mf-navy-900);
}

.mf-commitment-card p {
  margin: 0.3rem 0 0;
  color: var(--mf-muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

.mf-transparency {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid rgba(13, 99, 239, 0.2);
  border-radius: 24px;
  background:
    radial-gradient(circle at 92% 5%, rgba(41, 182, 246, 0.1), transparent 20rem),
    #ffffff;
  box-shadow: var(--mf-shadow-md);
}

.mf-transparency-status {
  padding: 1.3rem;
  border: 1px solid var(--mf-line);
  border-radius: 16px;
  background: var(--mf-surface);
}

.mf-transparency-status span {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--mf-success);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.mf-transparency-status span::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #20bd79;
  box-shadow: 0 0 0 5px rgba(32, 189, 121, 0.12);
}

.mf-transparency-status strong {
  display: block;
  margin: 0.6rem 0 0.35rem;
  color: var(--mf-navy-900);
}

.mf-transparency-status p {
  margin: 0;
  color: var(--mf-muted);
  font-size: 0.88rem;
  line-height: 1.7;
}

.mf-public-info {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--mf-line);
  border-radius: 18px;
  background: #ffffff;
}

.mf-public-info div {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 1rem;
  padding: 0.95rem 1.1rem;
}

.mf-public-info div + div {
  border-top: 1px solid var(--mf-line);
}

.mf-public-info dt {
  color: var(--mf-muted);
  font-size: 0.83rem;
  font-weight: 650;
}

.mf-public-info dd {
  margin: 0;
  color: var(--mf-navy-900);
  font-size: 0.9rem;
  font-weight: 650;
}

.mf-public-info a {
  color: var(--mf-blue-700);
}

@media (min-width: 840px) {
  .mf-about-hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
  }

  .mf-about-story {
    grid-template-columns: 1.08fr 0.92fr;
  }

  .mf-founder-grid {
    grid-template-columns: 0.85fr 1.15fr;
  }

  .mf-transparency {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

@media (max-width: 1079px) {
  .mf-evidence-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 839px) {
  .mf-about-hero h1 {
    max-width: none;
  }

  .mf-trust-strip-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .mf-trust-signal:nth-child(3) {
    border-top: 1px solid var(--mf-line);
    border-left: 0;
  }

  .mf-trust-signal:nth-child(4) {
    border-top: 1px solid var(--mf-line);
  }
}

@media (max-width: 620px) {
  .mf-profile-list div,
  .mf-public-info div {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }

  .mf-evidence-grid,
  .mf-commitment-grid {
    grid-template-columns: 1fr;
  }

  .mf-founder-identity {
    min-height: 350px;
  }
}