/* ==========================================================================
   FutureOne Design System — chantroituonglai.net
   Target: One-Person Business Platform (Doanh nghiệp một người)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400;1,600&display=swap');

:root {
  /* Color Tokens */
  --fut-navy-950: #05131f;
  --fut-navy-900: #0b2239;
  --fut-navy-850: #0f2d4a;
  --fut-navy-800: #123552;
  --fut-navy-700: #1a4971;
  --fut-cyan-700: #087f9c;
  --fut-cyan-600: #0891b2;
  --fut-cyan-500: #06b6d4;
  --fut-cyan-400: #22d3ee;
  --fut-cyan-100: #e0f2fe;
  --fut-cyan-50:  #f0f9ff;
  --fut-green-600: #059669;
  --fut-green-500: #10b981;
  --fut-green-100: #d1fae5;
  --fut-amber-500: #f59e0b;
  --fut-amber-100: #fef3c7;
  --fut-red-600: #dc2626;
  --fut-red-100: #fee2e2;
  --fut-slate-900: #0f172a;
  --fut-slate-800: #1e293b;
  --fut-slate-700: #334155;
  --fut-slate-600: #475569;
  --fut-slate-500: #64748b;
  --fut-slate-400: #94a3b8;
  --fut-slate-300: #cbd5e1;
  --fut-slate-200: #e2e8f0;
  --fut-slate-100: #f1f5f9;
  --fut-slate-50:  #f8fafc;
  --fut-surface: #ffffff;
  --fut-background: #f8fafc;
  --fut-warm-background: #fbfaf7;
  --fut-border: #e2e8f0;
  --fut-border-light: #edf2f7;
  --fut-border-dark: #1e3a5f;

  /* Elevation Shadows */
  --fut-shadow-xs: 0 1px 2px rgba(11, 34, 57, 0.04);
  --fut-shadow-sm: 0 2px 6px rgba(11, 34, 57, 0.06);
  --fut-shadow-md: 0 8px 24px -4px rgba(11, 34, 57, 0.08), 0 2px 6px -1px rgba(11, 34, 57, 0.04);
  --fut-shadow-lg: 0 16px 36px -6px rgba(11, 34, 57, 0.12), 0 4px 12px -2px rgba(11, 34, 57, 0.06);
  --fut-shadow-xl: 0 24px 50px -10px rgba(11, 34, 57, 0.16);
  --fut-shadow-glow: 0 0 30px rgba(6, 182, 212, 0.25);
  --fut-shadow-glow-amber: 0 0 30px rgba(245, 158, 11, 0.2);

  /* Typography */
  --fut-font-sans: 'Be Vietnam Pro', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --fut-radius-sm: 8px;
  --fut-radius-md: 12px;
  --fut-radius-lg: 18px;
  --fut-radius-xl: 24px;
  --fut-radius-pill: 9999px;
  --fut-transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Scoped Root Styles */
.future-one-theme {
  font-family: var(--fut-font-sans);
  color: var(--fut-slate-800);
  background-color: var(--fut-background);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
}

.future-one-theme *,
.future-one-theme *::before,
.future-one-theme *::after {
  box-sizing: border-box;
}

/* Base Headings & Links in scope */
.future-one-theme h1,
.future-one-theme h2,
.future-one-theme h3,
.future-one-theme h4,
.future-one-theme h5,
.future-one-theme h6 {
  font-family: var(--fut-font-sans);
  color: var(--fut-navy-900);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.future-one-theme a {
  color: var(--fut-cyan-600);
  text-decoration: none;
  transition: var(--fut-transition);
}

.future-one-theme a:hover {
  color: var(--fut-cyan-700);
}

.future-one-theme img {
  max-width: 100%;
  height: auto;
}

/* Container & Layout */
.fut-container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 16px;
  padding-right: 16px;
}

@media (min-width: 480px) {
  .fut-container {
    padding-left: 24px;
    padding-right: 24px;
  }
}

@media (min-width: 1024px) {
  .fut-container {
    padding-left: 32px;
    padding-right: 32px;
  }
}

.fut-section {
  padding-top: 80px;
  padding-bottom: 80px;
  position: relative;
}

@media (min-width: 768px) {
  .fut-section {
    padding-top: 96px;
    padding-bottom: 96px;
  }
}

@media (min-width: 1200px) {
  .fut-section {
    padding-top: 112px;
    padding-bottom: 112px;
  }
}

.fut-section--dark {
  background-color: var(--fut-navy-900);
  color: #ffffff;
}

.fut-section--dark h1,
.fut-section--dark h2,
.fut-section--dark h3,
.fut-section--dark h4 {
  color: #ffffff;
}

.fut-section--alt {
  background-color: #ffffff;
}

.fut-section--warm {
  background-color: var(--fut-warm-background);
}

/* Section Header Utility */
.fut-section-heading {
  text-align: center;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 56px;
}

.fut-section-heading--left {
  text-align: left;
  margin-left: 0;
  margin-right: 0;
}

.fut-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fut-cyan-600);
  background: rgba(8, 145, 178, 0.08);
  padding: 6px 14px;
  border-radius: var(--fut-radius-pill);
  margin-bottom: 16px;
}

.fut-section--dark .fut-eyebrow {
  color: var(--fut-cyan-400);
  background: rgba(34, 211, 238, 0.12);
}

.fut-section-heading h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 1rem;
}

.fut-section-heading p {
  font-size: 1.125rem;
  color: var(--fut-slate-600);
  line-height: 1.7;
  margin-bottom: 0;
}

.fut-section--dark .fut-section-heading p {
  color: var(--fut-slate-300);
}

/* ==========================================================================
   Buttons & Badges
   ========================================================================== */
.fut-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--fut-font-sans);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.25;
  padding: 13px 26px;
  border-radius: var(--fut-radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--fut-transition);
  text-decoration: none !important;
  white-space: nowrap;
  min-height: 48px;
  min-width: 44px;
}

.fut-btn--primary {
  background: linear-gradient(135deg, var(--fut-cyan-600) 0%, var(--fut-cyan-700) 100%);
  color: #ffffff !important;
  box-shadow: 0 4px 14px rgba(8, 145, 178, 0.35);
}

.fut-btn--primary:hover {
  background: linear-gradient(135deg, var(--fut-cyan-500) 0%, var(--fut-cyan-600) 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(8, 145, 178, 0.45);
  color: #ffffff !important;
}

.fut-btn--secondary {
  background: #ffffff;
  color: var(--fut-navy-900) !important;
  border-color: var(--fut-slate-200);
  box-shadow: var(--fut-shadow-xs);
}

.fut-btn--secondary:hover {
  background: var(--fut-slate-50);
  border-color: var(--fut-slate-300);
  color: var(--fut-navy-900) !important;
  transform: translateY(-2px);
  box-shadow: var(--fut-shadow-sm);
}

.fut-btn--ghost {
  background: transparent;
  color: #ffffff !important;
  border-color: rgba(255, 255, 255, 0.25);
}

.fut-btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #ffffff;
  color: #ffffff !important;
}

.fut-btn--lg {
  padding: 15px 32px;
  font-size: 1.0625rem;
  border-radius: var(--fut-radius-md);
}

.fut-btn--sm {
  padding: 8px 18px;
  font-size: 0.875rem;
  min-height: 38px;
}

.fut-btn:focus-visible {
  outline: 3px solid var(--fut-cyan-500);
  outline-offset: 3px;
}

.fut-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--fut-radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.fut-badge--success {
  background: var(--fut-green-100);
  color: var(--fut-green-600);
}

.fut-badge--info {
  background: var(--fut-cyan-100);
  color: var(--fut-cyan-700);
}

.fut-badge--warning {
  background: var(--fut-amber-100);
  color: #b45309;
}

/* ==========================================================================
   Announcement Bar
   ========================================================================== */
.fut-announcement {
  background: linear-gradient(90deg, #071827 0%, #0b2239 50%, #087f9c 100%);
  color: #ffffff;
  font-size: 0.875rem;
  padding: 9px 16px;
  text-align: center;
  position: relative;
  z-index: 100;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.fut-announcement-inner {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}

.fut-announcement-tag {
  background: rgba(6, 182, 212, 0.2);
  color: var(--fut-cyan-400);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
}

.fut-announcement a {
  color: var(--fut-cyan-400);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.fut-announcement a:hover {
  color: #ffffff;
  text-decoration: underline;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.fut-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 99;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.85);
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
  transition: var(--fut-transition);
}

.fut-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}

.fut-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none !important;
  flex-shrink: 0;
  white-space: nowrap;
}

.future-one-theme .fut-brand-logo,
.fut-brand .fut-brand-logo,
img.fut-brand-logo {
  height: 36px !important;
  max-height: 36px !important;
  width: auto !important;
  max-width: 160px !important;
  object-fit: contain !important;
  display: block !important;
  flex-shrink: 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.fut-brand:hover .fut-brand-logo {
  opacity: 0.95;
  transform: translateY(-1px);
}

.fut-brand-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--fut-navy-900) 0%, var(--fut-cyan-600) 100%);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 800;
  font-size: 1.15rem;
  box-shadow: 0 4px 10px rgba(8, 145, 178, 0.25);
  flex-shrink: 0;
}

.fut-brand-text {
  display: flex;
  flex-direction: column;
}

.fut-brand-name {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--fut-navy-900);
  line-height: 1.1;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.fut-brand-tagline {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--fut-slate-500);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.fut-nav-desktop {
  display: none;
}

@media (min-width: 1024px) {
  .fut-nav-desktop {
    display: flex;
    align-items: center;
    gap: clamp(10px, 1.4vw, 22px);
    flex-wrap: nowrap;
  }
}

.fut-nav-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--fut-slate-700);
  padding: 6px 2px;
  position: relative;
  transition: var(--fut-transition);
  white-space: nowrap;
  letter-spacing: -0.01em;
}

.fut-nav-link:hover,
.fut-nav-link.active {
  color: var(--fut-cyan-600);
}

.fut-nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--fut-cyan-600);
  transition: width 0.25s ease;
  border-radius: 2px;
}

.fut-nav-link:hover::after,
.fut-nav-link.active::after {
  width: 100%;
}

.fut-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

@media (max-width: 767px) {
  .fut-header-inner {
    height: 60px;
    gap: 8px;
  }

  .fut-brand {
    max-width: 52%;
    overflow: hidden;
  }

  .future-one-theme .fut-brand-logo,
  .fut-brand .fut-brand-logo,
  img.fut-brand-logo {
    height: 28px !important;
    max-height: 28px !important;
    max-width: 125px !important;
  }

  .fut-header-actions {
    gap: 8px;
    flex-shrink: 0;
  }

  .fut-header-actions .fut-btn--sm {
    padding: 6px 10px;
    font-size: 0.78125rem;
    min-height: 34px;
    white-space: nowrap;
  }

  .fut-menu-toggle {
    width: 38px;
    height: 38px;
    flex-shrink: 0;
  }
}

@media (max-width: 420px) {
  .fut-header-inner {
    height: 56px;
    gap: 6px;
  }

  .fut-brand {
    max-width: 48%;
  }

  .future-one-theme .fut-brand-logo,
  .fut-brand .fut-brand-logo,
  img.fut-brand-logo {
    height: 24px !important;
    max-height: 24px !important;
    max-width: 110px !important;
  }

  .fut-header-actions {
    gap: 6px;
  }

  .fut-header-actions .fut-btn--sm {
    padding: 5px 8px;
    font-size: 0.75rem;
    min-height: 32px;
  }

  .fut-menu-toggle {
    width: 34px;
    height: 34px;
  }
}

.fut-nav-login {
  display: none;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--fut-slate-700);
  padding: 7px 12px;
  border-radius: var(--fut-radius-sm);
  white-space: nowrap;
  transition: var(--fut-transition);
}

@media (min-width: 768px) {
  .fut-nav-login {
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }
  .fut-nav-login:hover {
    color: var(--fut-cyan-600);
    background: rgba(8, 145, 178, 0.06);
  }
}

/* Mobile Toggle */
.fut-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--fut-slate-200);
  border-radius: var(--fut-radius-sm);
  cursor: pointer;
  padding: 0;
  color: var(--fut-navy-900);
  transition: var(--fut-transition);
}

@media (min-width: 1024px) {
  .fut-menu-toggle {
    display: none;
  }
}

.fut-menu-toggle:hover {
  background: var(--fut-slate-100);
  border-color: var(--fut-slate-300);
}

/* Mobile Drawer Overlay & Content */
.fut-mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  background: rgba(7, 24, 39, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.28s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.fut-mobile-drawer.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.fut-mobile-panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 85%;
  max-width: 340px;
  background: #ffffff;
  padding: 20px 20px 28px;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
  overflow-x: hidden;
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.25);
  box-sizing: border-box;
}

.fut-mobile-drawer.open .fut-mobile-panel {
  transform: translateX(0);
}

.fut-mobile-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--fut-slate-200);
  margin-bottom: 16px;
  gap: 12px;
}

.fut-mobile-header .fut-brand {
  min-width: 0;
  overflow: hidden;
}

.fut-mobile-header .fut-brand-logo {
  height: 28px;
  max-width: 135px;
  object-fit: contain;
}

.fut-drawer-close {
  width: 36px;
  height: 36px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  flex-shrink: 0;
  min-height: 36px !important;
  cursor: pointer;
  background: var(--fut-slate-100);
  border: 1px solid var(--fut-slate-200);
  color: var(--fut-slate-700);
  transition: var(--fut-transition);
}

.fut-drawer-close:hover {
  background: var(--fut-slate-200);
  color: var(--fut-navy-900);
}

.fut-mobile-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.fut-mobile-link {
  font-size: 1rem;
  font-weight: 600;
  color: var(--fut-navy-900);
  padding: 8px 4px;
  text-decoration: none !important;
  transition: color 0.18s ease, padding-left 0.18s ease;
  border-radius: 6px;
}

.fut-mobile-link:hover {
  color: var(--fut-cyan-600);
  padding-left: 6px;
}

.fut-mobile-actions {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--fut-slate-100);
}

.fut-mobile-actions .fut-btn {
  justify-content: center;
  text-align: center;
  width: 100%;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.fut-hero {
  background: radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.12) 0%, transparent 60%),
              radial-gradient(circle at 10% 80%, rgba(8, 145, 178, 0.08) 0%, transparent 50%),
              linear-gradient(180deg, #ffffff 0%, var(--fut-background) 100%);
  padding-top: 60px;
  padding-bottom: 80px;
  position: relative;
  overflow: hidden;
}

@media (min-width: 992px) {
  .fut-hero {
    padding-top: 90px;
    padding-bottom: 110px;
  }
}

.fut-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

@media (min-width: 992px) {
  .fut-hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
  }
}

.fut-hero-content {
  text-align: left;
}

.fut-hero-h1 {
  font-size: clamp(1.625rem, 5.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.18;
  color: var(--fut-navy-950);
  margin-bottom: 20px;
  letter-spacing: -0.03em;
  word-break: break-word;
}

.fut-hero-h1 span.highlight {
  background: linear-gradient(135deg, var(--fut-cyan-600) 0%, var(--fut-cyan-500) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.fut-hero-desc {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: var(--fut-slate-600);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 600px;
}

.fut-hero-ctas {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

@media (max-width: 480px) {
  .fut-hero-ctas {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  .fut-hero-ctas .fut-btn {
    width: 100%;
    justify-content: center;
  }
  .fut-hero-microcopy {
    font-size: 0.8125rem;
    flex-wrap: wrap;
  }
}

.fut-hero-microcopy {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--fut-slate-500);
  font-weight: 500;
}

.fut-hero-microcopy svg {
  color: var(--fut-green-500);
}

/* Hero Operating System Visual */
.fut-hero-visual {
  position: relative;
}

.fut-os-visual-box {
  background: #ffffff;
  border: 1px solid var(--fut-slate-200);
  border-radius: var(--fut-radius-xl);
  padding: 24px;
  box-shadow: var(--fut-shadow-xl);
  position: relative;
}

.fut-os-visual-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--fut-slate-100);
}

.fut-os-badge-live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--fut-green-600);
  background: var(--fut-green-100);
  padding: 4px 10px;
  border-radius: var(--fut-radius-pill);
}

.fut-os-pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--fut-green-500);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.3);
  animation: futPulse 2s infinite;
}

@keyframes futPulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Center Founder & Satellite Nodes */
.fut-os-diagram {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 24px;
}

.fut-founder-card {
  background: linear-gradient(135deg, var(--fut-navy-900) 0%, var(--fut-navy-800) 100%);
  color: #ffffff;
  padding: 16px 20px;
  border-radius: var(--fut-radius-md);
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--fut-shadow-md);
  border: 1px solid var(--fut-navy-700);
}

.fut-founder-avatar {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--fut-cyan-500) 0%, var(--fut-cyan-600) 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: #ffffff;
  flex-shrink: 0;
}

.fut-founder-info h4 {
  color: #ffffff;
  font-size: 1rem;
  margin-bottom: 2px;
  font-weight: 700;
}

.fut-founder-info p {
  color: var(--fut-slate-300);
  font-size: 0.8125rem;
  margin-bottom: 0;
}

.fut-satellite-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

@media (min-width: 480px) {
  .fut-satellite-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.fut-node-pill {
  background: var(--fut-slate-50);
  border: 1px solid var(--fut-slate-200);
  border-radius: var(--fut-radius-sm);
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--fut-slate-700);
  transition: var(--fut-transition);
}

.fut-node-pill:hover {
  background: #ffffff;
  border-color: var(--fut-cyan-500);
  color: var(--fut-cyan-700);
  transform: translateY(-1px);
}

.fut-node-pill svg {
  color: var(--fut-cyan-600);
  flex-shrink: 0;
}

/* Event Activity Feed */
.fut-activity-feed {
  background: var(--fut-slate-50);
  border-radius: var(--fut-radius-md);
  padding: 16px;
  border: 1px solid var(--fut-slate-200);
}

.fut-activity-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fut-slate-500);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.fut-activity-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.fut-activity-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #ffffff;
  padding: 8px 12px;
  border-radius: var(--fut-radius-sm);
  border: 1px solid var(--fut-slate-100);
  font-size: 0.8125rem;
}

.fut-activity-text {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  color: var(--fut-slate-800);
}

.fut-activity-time {
  font-size: 0.75rem;
  color: var(--fut-slate-400);
}

/* ==========================================================================
   Trust / Benefit Strip
   ========================================================================== */
.fut-trust-strip {
  background: #ffffff;
  border-top: 1px solid var(--fut-slate-200);
  border-bottom: 1px solid var(--fut-slate-200);
  padding: 32px 0;
}

.fut-trust-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

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

@media (min-width: 1024px) {
  .fut-trust-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
  }
}

.fut-trust-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.fut-trust-icon {
  width: 44px;
  height: 44px;
  background: var(--fut-cyan-50);
  color: var(--fut-cyan-600);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid rgba(8, 145, 178, 0.15);
}

.fut-trust-text h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--fut-navy-900);
}

.fut-trust-text p {
  font-size: 0.875rem;
  color: var(--fut-slate-600);
  margin-bottom: 0;
  line-height: 1.5;
}

/* ==========================================================================
   Problem / Comparison Section
   ========================================================================== */
.fut-problem-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  max-width: 1080px;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 860px) {
  .fut-problem-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

.fut-compare-card {
  border-radius: var(--fut-radius-xl);
  padding: 36px 32px;
  position: relative;
  transition: var(--fut-transition);
}

.fut-compare-card--old {
  background: #ffffff;
  border: 1px solid var(--fut-slate-200);
}

.fut-compare-card--new {
  background: linear-gradient(145deg, #ffffff 0%, var(--fut-cyan-50) 100%);
  border: 2px solid var(--fut-cyan-500);
  box-shadow: var(--fut-shadow-lg);
}

.fut-compare-header {
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--fut-slate-200);
}

.fut-compare-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 12px;
  border-radius: var(--fut-radius-pill);
  display: inline-block;
  margin-bottom: 10px;
}

.fut-compare-badge--old {
  background: var(--fut-slate-100);
  color: var(--fut-slate-600);
}

.fut-compare-badge--new {
  background: var(--fut-cyan-600);
  color: #ffffff;
}

.fut-compare-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.fut-compare-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 0.9375rem;
  line-height: 1.5;
}

.fut-compare-icon-old {
  color: var(--fut-red-600);
  flex-shrink: 0;
  margin-top: 2px;
}

.fut-compare-icon-new {
  color: var(--fut-green-600);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ==========================================================================
   Operating System Capabilities (6 Capabilities)
   ========================================================================== */
.fut-os-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

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

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

.fut-os-card {
  background: #ffffff;
  border: 1px solid var(--fut-slate-200);
  border-radius: var(--fut-radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  transition: var(--fut-transition);
  position: relative;
}

.fut-os-card:hover {
  transform: translateY(-4px);
  border-color: var(--fut-cyan-500);
  box-shadow: var(--fut-shadow-lg);
}

.fut-os-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.fut-os-card-icon {
  width: 52px;
  height: 52px;
  background: var(--fut-cyan-50);
  color: var(--fut-cyan-600);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(8, 145, 178, 0.15);
}

.fut-os-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.fut-os-card p {
  color: var(--fut-slate-600);
  font-size: 0.9375rem;
  line-height: 1.65;
  margin-bottom: 20px;
  flex-grow: 1;
}

.fut-os-feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid var(--fut-slate-100);
  padding-top: 16px;
}

.fut-os-feature-list li {
  font-size: 0.8125rem;
  color: var(--fut-slate-700);
  display: flex;
  align-items: center;
  gap: 8px;
}

.fut-os-feature-list li svg {
  color: var(--fut-cyan-600);
  flex-shrink: 0;
}

/* ==========================================================================
   Audience Paths Section
   ========================================================================== */
.fut-paths-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

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

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

.fut-path-card {
  background: var(--fut-navy-850);
  border: 1px solid var(--fut-navy-700);
  border-radius: var(--fut-radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  transition: var(--fut-transition);
  color: #ffffff;
}

.fut-path-card:hover {
  border-color: var(--fut-cyan-500);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

.fut-path-icon {
  width: 48px;
  height: 48px;
  background: rgba(34, 211, 238, 0.1);
  color: var(--fut-cyan-400);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.fut-path-card h3 {
  font-size: 1.1875rem;
  color: #ffffff;
  margin-bottom: 10px;
}

.fut-path-desc {
  font-size: 0.875rem;
  color: var(--fut-slate-300);
  margin-bottom: 16px;
}

.fut-path-outcome {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--fut-green-500);
  background: rgba(16, 185, 129, 0.12);
  padding: 6px 12px;
  border-radius: var(--fut-radius-sm);
  margin-bottom: 20px;
  margin-top: auto;
}

.fut-path-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--fut-cyan-400);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.fut-path-link:hover {
  color: #ffffff;
  gap: 10px;
}

/* ==========================================================================
   Four-Step Journey
   ========================================================================== */
.fut-journey-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  position: relative;
}

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

@media (min-width: 1024px) {
  .fut-journey-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
  }
}

.fut-journey-card {
  background: #ffffff;
  border: 1px solid var(--fut-slate-200);
  border-radius: var(--fut-radius-lg);
  padding: 32px 24px;
  position: relative;
  transition: var(--fut-transition);
}

.fut-journey-card:hover {
  border-color: var(--fut-cyan-500);
  transform: translateY(-4px);
  box-shadow: var(--fut-shadow-md);
}

.fut-step-number {
  width: 42px;
  height: 42px;
  background: var(--fut-navy-900);
  color: var(--fut-cyan-400);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.125rem;
  margin-bottom: 20px;
  border: 3px solid var(--fut-cyan-100);
}

.fut-journey-card h3 {
  font-size: 1.1875rem;
  margin-bottom: 10px;
}

.fut-journey-card p {
  font-size: 0.875rem;
  color: var(--fut-slate-600);
  line-height: 1.6;
  margin-bottom: 0;
}

/* ==========================================================================
   Human Support Layers (6 Layers)
   ========================================================================== */
.fut-support-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

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

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

.fut-support-card {
  background: #ffffff;
  border: 1px solid var(--fut-slate-200);
  border-radius: var(--fut-radius-lg);
  padding: 28px 24px;
  display: flex;
  gap: 18px;
  transition: var(--fut-transition);
}

.fut-support-card:hover {
  border-color: var(--fut-cyan-500);
  box-shadow: var(--fut-shadow-md);
}

.fut-support-icon {
  width: 48px;
  height: 48px;
  background: var(--fut-cyan-50);
  color: var(--fut-cyan-600);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.fut-support-text h4 {
  font-size: 1.0625rem;
  margin-bottom: 6px;
}

.fut-support-text p {
  font-size: 0.875rem;
  color: var(--fut-slate-600);
  margin-bottom: 0;
  line-height: 1.55;
}

/* ==========================================================================
   Product Proof (Outcome-centric Capabilities)
   ========================================================================== */
.fut-proof-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

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

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

.fut-proof-card {
  background: #ffffff;
  border: 1px solid var(--fut-slate-200);
  border-radius: var(--fut-radius-md);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: var(--fut-transition);
}

.fut-proof-card:hover {
  border-color: var(--fut-cyan-600);
  box-shadow: var(--fut-shadow-sm);
}

.fut-proof-header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.fut-proof-icon {
  color: var(--fut-cyan-600);
}

.fut-proof-header h4 {
  font-size: 1rem;
  margin-bottom: 0;
  font-weight: 700;
}

.fut-proof-card p {
  font-size: 0.875rem;
  color: var(--fut-slate-600);
  margin-bottom: 0;
}

/* ==========================================================================
   Case Studies / Ứng dụng thực tế
   ========================================================================== */
.fut-cases-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .fut-cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.fut-case-card {
  background: #ffffff;
  border: 1px solid var(--fut-slate-200);
  border-radius: var(--fut-radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  transition: var(--fut-transition);
}

.fut-case-card:hover {
  border-color: var(--fut-cyan-500);
  transform: translateY(-3px);
  box-shadow: var(--fut-shadow-md);
}

.fut-case-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--fut-cyan-700);
  background: var(--fut-cyan-50);
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 14px;
}

.fut-case-card h4 {
  font-size: 1.125rem;
  margin-bottom: 10px;
}

.fut-case-challenge {
  font-size: 0.875rem;
  color: var(--fut-slate-600);
  margin-bottom: 12px;
}

.fut-case-solution {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--fut-navy-900);
  background: var(--fut-slate-50);
  padding: 10px 14px;
  border-radius: var(--fut-radius-sm);
  margin-top: auto;
  border-left: 3px solid var(--fut-cyan-600);
}

/* ==========================================================================
   Pricing Preview Section (3 Outcome Levels)
   ========================================================================== */
.fut-pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
  align-items: stretch;
}

@media (min-width: 860px) {
  .fut-pricing-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}

.fut-price-card {
  background: #ffffff;
  border: 1px solid var(--fut-slate-200);
  border-radius: var(--fut-radius-xl);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--fut-transition);
}

.fut-price-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--fut-shadow-lg);
}

.fut-price-card--featured {
  border: 2px solid var(--fut-cyan-600);
  box-shadow: var(--fut-shadow-lg);
  background: linear-gradient(180deg, #ffffff 0%, var(--fut-cyan-50) 100%);
}

@media (min-width: 860px) {
  .fut-price-card--featured {
    transform: scale(1.04);
  }
  .fut-price-card--featured:hover {
    transform: scale(1.04) translateY(-4px);
  }
}

.fut-price-badge-rec {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--fut-cyan-600) 0%, var(--fut-cyan-700) 100%);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 5px 16px;
  border-radius: var(--fut-radius-pill);
  box-shadow: 0 4px 10px rgba(8, 145, 178, 0.35);
}

.fut-price-badge-start {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: #ffffff;
  color: var(--fut-cyan-700);
  border: 1.5px solid var(--fut-cyan-500);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 14px;
  border-radius: var(--fut-radius-pill);
  box-shadow: 0 4px 10px rgba(8, 145, 178, 0.12);
  white-space: nowrap;
}

.fut-price-header {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--fut-slate-200);
  text-align: center;
}

.fut-price-header h3 {
  font-size: 1.35rem;
  margin-bottom: 6px;
}

.fut-price-subtitle {
  font-size: 0.875rem;
  color: var(--fut-slate-500);
  margin-bottom: 16px;
}

.fut-price-amount {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
}

.fut-price-val {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--fut-navy-950);
  letter-spacing: -0.03em;
}

.fut-price-unit {
  font-size: 0.875rem;
  color: var(--fut-slate-500);
}

.fut-price-features {
  list-style: none;
  padding: 0;
  margin: 0 0 28px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-grow: 1;
}

.fut-price-features li {
  font-size: 0.875rem;
  color: var(--fut-slate-700);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.fut-price-features li svg {
  color: var(--fut-cyan-600);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.fut-faq-wrapper {
  max-width: 840px;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.fut-faq-item {
  background: #ffffff;
  border: 1px solid var(--fut-slate-200);
  border-radius: var(--fut-radius-md);
  overflow: hidden;
  transition: var(--fut-transition);
}

.fut-faq-item.active {
  border-color: var(--fut-cyan-500);
  box-shadow: var(--fut-shadow-sm);
}

.fut-faq-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: transparent;
  border: none;
  font-family: var(--fut-font-sans);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--fut-navy-900);
  text-align: left;
  cursor: pointer;
  gap: 16px;
}

.fut-faq-btn:focus-visible {
  outline: 2px solid var(--fut-cyan-500);
  outline-offset: -2px;
}

.fut-faq-chevron {
  width: 20px;
  height: 20px;
  color: var(--fut-slate-400);
  transition: transform 0.25s ease;
  flex-shrink: 0;
}

.fut-faq-item.active .fut-faq-chevron {
  transform: rotate(180deg);
  color: var(--fut-cyan-600);
}

.fut-faq-body {
  padding: 0 24px 20px 24px;
  color: var(--fut-slate-600);
  font-size: 0.9375rem;
  line-height: 1.65;
  display: none;
}

.fut-faq-item.active .fut-faq-body {
  display: block;
}

/* ==========================================================================
   Final CTA Section
   ========================================================================== */
.fut-final-cta-card {
  background: radial-gradient(circle at 10% 20%, rgba(6, 182, 212, 0.25) 0%, transparent 60%),
              radial-gradient(circle at 90% 80%, rgba(8, 145, 178, 0.2) 0%, transparent 60%),
              linear-gradient(135deg, var(--fut-navy-950) 0%, var(--fut-navy-900) 100%);
  border-radius: var(--fut-radius-xl);
  padding: 64px 32px;
  text-align: center;
  color: #ffffff;
  position: relative;
  box-shadow: var(--fut-shadow-xl);
  border: 1px solid var(--fut-navy-700);
  max-width: 1040px;
  margin-left: auto;
  margin-right: auto;
}

.fut-final-cta-card h2 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  color: #ffffff;
  margin-bottom: 16px;
}

.fut-final-cta-card p {
  font-size: 1.125rem;
  color: var(--fut-slate-300);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 36px;
  line-height: 1.7;
}

.fut-final-cta-btns {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.fut-footer {
  background: var(--fut-navy-950);
  color: var(--fut-slate-400);
  padding-top: 80px;
  padding-bottom: 40px;
  border-top: 1px solid var(--fut-navy-800);
}

.fut-footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

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

@media (min-width: 992px) {
  .fut-footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  }
}

.fut-footer-brand p {
  font-size: 0.875rem;
  color: var(--fut-slate-400);
  line-height: 1.6;
  margin-top: 16px;
  max-width: 320px;
}

.fut-footer-col h4 {
  color: #ffffff;
  font-size: 0.9375rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 20px;
}

.fut-footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.fut-footer-links a {
  color: var(--fut-slate-400);
  font-size: 0.875rem;
  transition: var(--fut-transition);
}

.fut-footer-links a:hover {
  color: var(--fut-cyan-400);
}

.fut-footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--fut-slate-300);
  margin-bottom: 12px;
}

.fut-footer-contact-item svg {
  color: var(--fut-cyan-400);
  flex-shrink: 0;
  margin-top: 2px;
}

.fut-footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--fut-navy-800);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.8125rem;
  color: var(--fut-slate-500);
}

@media (min-width: 768px) {
  .fut-footer-bottom {
    flex-direction: row;
  }
}

/* ==========================================================================
   Auth & Supporting Pages Shell
   ========================================================================== */
.fut-auth-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 10% 10%, rgba(6, 182, 212, 0.08) 0%, transparent 50%),
              radial-gradient(circle at 90% 90%, rgba(8, 145, 178, 0.06) 0%, transparent 50%),
              linear-gradient(180deg, #ffffff 0%, var(--fut-background) 100%);
  padding: 40px 20px;
}

.fut-auth-container {
  width: 100%;
  max-width: 1040px;
  background: #ffffff;
  border-radius: var(--fut-radius-xl);
  box-shadow: var(--fut-shadow-xl);
  border: 1px solid var(--fut-slate-200);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 900px) {
  .fut-auth-container {
    grid-template-columns: 1fr 1fr;
  }
}

.fut-auth-sidebar {
  background: linear-gradient(135deg, var(--fut-navy-950) 0%, var(--fut-navy-900) 100%);
  color: #ffffff;
  padding: 48px 40px;
  display: none;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.fut-auth-mobile-logo {
  display: block;
  text-align: center;
  margin-bottom: 24px;
}

@media (min-width: 900px) {
  .fut-auth-sidebar {
    display: flex;
  }
  .fut-auth-mobile-logo {
    display: none;
  }
}

.fut-auth-sidebar h3 {
  color: #ffffff;
  font-size: 1.75rem;
  margin-bottom: 16px;
}

.fut-auth-sidebar p {
  color: var(--fut-slate-300);
  font-size: 1rem;
  line-height: 1.65;
}

.fut-auth-bullets {
  list-style: none;
  padding: 0;
  margin: 32px 0 0 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.fut-auth-bullets li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9375rem;
  color: #ffffff;
}

.fut-auth-bullets li svg {
  color: var(--fut-cyan-400);
  flex-shrink: 0;
}

.fut-auth-form-wrap {
  padding: 40px 32px;
}

@media (min-width: 640px) {
  .fut-auth-form-wrap {
    padding: 48px 44px;
  }
}

.fut-auth-header {
  margin-bottom: 32px;
  text-align: left;
}

.fut-auth-header h2 {
  font-size: 1.625rem;
  margin-bottom: 8px;
}

.fut-auth-header p {
  color: var(--fut-slate-500);
  font-size: 0.9375rem;
  margin-bottom: 0;
}

.fut-form-group {
  margin-bottom: 20px;
}

.fut-form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--fut-slate-800);
  margin-bottom: 8px;
}

.fut-input-wrap {
  position: relative;
}

.fut-input {
  width: 100%;
  height: 48px;
  padding: 10px 16px;
  font-family: var(--fut-font-sans);
  font-size: 0.9375rem;
  border: 1px solid var(--fut-slate-300);
  border-radius: var(--fut-radius-md);
  background: #ffffff;
  color: var(--fut-slate-900);
  transition: var(--fut-transition);
}

.fut-input:focus {
  outline: none;
  border-color: var(--fut-cyan-600);
  box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.15);
}

.fut-input-icon {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--fut-slate-400);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.fut-input-icon:hover {
  color: var(--fut-slate-700);
}

.fut-form-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  font-size: 0.875rem;
}

.fut-social-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 24px;
}

@media (min-width: 480px) {
  .fut-social-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Policy Content Shell */
.fut-policy-card {
  background: #ffffff;
  border: 1px solid var(--fut-slate-200);
  border-radius: var(--fut-radius-lg);
  padding: 48px 36px;
  box-shadow: var(--fut-shadow-md);
  margin-top: 40px;
  margin-bottom: 60px;
}

.fut-policy-card h2 {
  font-size: 1.5rem;
  margin-top: 32px;
  margin-bottom: 12px;
  color: var(--fut-navy-900);
}

.fut-policy-card p,
.fut-policy-card li {
  color: var(--fut-slate-700);
  line-height: 1.7;
}

/* Accessibility: Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================================================
   Blog & Solopreneur Knowledge Hub Styles
   ========================================================================== */
.fut-blog-hero {
  text-align: center;
  padding: 50px 20px 30px;
  background: radial-gradient(circle at 50% 0%, rgba(6, 182, 212, 0.12) 0%, transparent 70%);
  margin-bottom: 30px;
}
.fut-blog-hero h1 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  color: var(--fut-navy-950);
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.fut-blog-hero p {
  font-size: 1.125rem;
  color: var(--fut-slate-600);
  max-width: 680px;
  margin: 0 auto 24px;
}
.fut-blog-cats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 35px;
}
.fut-cat-pill {
  padding: 8px 18px;
  border-radius: 9999px;
  background: #ffffff;
  border: 1px solid var(--fut-slate-200);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--fut-slate-700);
  transition: all 0.2s ease;
  text-decoration: none;
}
.fut-cat-pill:hover, .fut-cat-pill.active {
  background: var(--fut-cyan-600);
  color: #ffffff;
  border-color: var(--fut-cyan-600);
  box-shadow: 0 4px 12px rgba(8, 145, 178, 0.25);
}
.fut-blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-bottom: 50px;
}
@media (min-width: 768px) {
  .fut-blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .fut-blog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.fut-blog-card {
  background: #ffffff;
  border: 1px solid var(--fut-slate-200);
  border-radius: var(--fut-radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.fut-blog-card:hover {
  transform: translateY(-4px);
  border-color: var(--fut-cyan-500);
  box-shadow: var(--fut-shadow-lg);
}
.fut-blog-thumb {
  width: 100%;
  height: 200px;
  background-size: cover;
  background-position: center;
  background-color: var(--fut-slate-100);
  display: block;
}
.fut-blog-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.fut-blog-cat-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--fut-cyan-700);
  background: var(--fut-cyan-50);
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
  align-self: flex-start;
  text-decoration: none;
}
.fut-blog-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
}
.fut-blog-card-title a {
  color: var(--fut-navy-950);
  text-decoration: none;
  transition: color 0.2s ease;
}
.fut-blog-card-title a:hover {
  color: var(--fut-cyan-600);
}
.fut-blog-excerpt {
  font-size: 0.875rem;
  color: var(--fut-slate-600);
  line-height: 1.6;
  margin-bottom: 16px;
  flex-grow: 1;
}
.fut-blog-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--fut-slate-500);
  border-top: 1px solid var(--fut-slate-100);
  padding-top: 14px;
}

/* In-Content Solution Box & 365 Days Warranty */
.fut-solution-box {
  background: linear-gradient(135deg, #ffffff 0%, #f0fdfa 100%);
  border: 2px solid var(--fut-cyan-500);
  border-radius: var(--fut-radius-lg);
  padding: 28px 24px;
  margin: 36px 0;
  position: relative;
  box-shadow: 0 10px 25px -5px rgba(6, 182, 212, 0.15);
}
.fut-solution-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #059669;
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 5px 12px;
  border-radius: 9999px;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  box-shadow: 0 2px 6px rgba(5, 150, 105, 0.3);
}
.fut-solution-header {
  margin-bottom: 12px;
}
.fut-solution-tag {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--fut-cyan-700);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.fut-solution-header h3 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--fut-navy-950);
  margin: 0;
}
.fut-solution-desc {
  font-size: 0.9375rem;
  color: var(--fut-slate-700);
  line-height: 1.6;
  margin-bottom: 18px;
}
.fut-solution-pricing {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 18px;
  background: #ffffff;
  padding: 10px 16px;
  border-radius: var(--fut-radius-md);
  border: 1px dashed var(--fut-cyan-400);
  width: fit-content;
}
.fut-solution-pricing .fut-price-val {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--fut-navy-950);
}
.fut-solution-pricing .fut-price-unit {
  font-size: 0.875rem;
  color: var(--fut-slate-500);
}
.fut-solution-action {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

/* Post Detail Styling */
.fut-article-shell {
  background: #ffffff;
  border: 1px solid var(--fut-slate-200);
  border-radius: var(--fut-radius-xl);
  padding: 40px 32px;
  box-shadow: var(--fut-shadow-md);
  margin: 30px auto 60px;
  max-width: 920px;
}
@media (min-width: 768px) {
  .fut-article-shell {
    padding: 56px 48px;
  }
}
.fut-article-header {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--fut-slate-200);
}
.fut-article-title {
  font-size: clamp(1.85rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--fut-navy-950);
  line-height: 1.25;
  margin-bottom: 16px;
}
.fut-article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.875rem;
  color: var(--fut-slate-500);
}
.fut-lead {
  font-size: 1.15rem;
  line-height: 1.75;
  color: var(--fut-slate-800);
  font-weight: 500;
  margin-bottom: 28px;
}
.fut-article-content h2 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--fut-navy-950);
  margin-top: 36px;
  margin-bottom: 16px;
}
.fut-article-content p, .fut-article-content li {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--fut-slate-700);
}
.fut-article-content ul, .fut-article-content ol {
  padding-left: 24px;
  margin-bottom: 24px;
}
.fut-article-content li {
  margin-bottom: 8px;
}