/* ===== AIStackPro — Editorial Light Redesign v4 =====
   Brand: AIStackPro — Enterprise AI & B2B Software, editorial blog
   Read: editorial / YMYL content, trust-first, reading-comfort first.
   Fonts (HTML-loaded only): Fraunces (display) + Plus Jakarta Sans (body).
   Palette: warm off-white paper, slate ink, ONE disciplined blue accent.
   Dials: variance 5-6 · motion 3-4 · density 3 · WCAG AA · CLS 0
   Redesign-preserve: every prior selector retained, values elevated.
===================================================== */

/* ─── Fonts (match what the HTML loads) ─────── */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700;9..144,800&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

/* ─── Design Tokens ────────────────────────── */
:root {
  /* Brand — one disciplined accent (desaturated trust-blue) */
  --color-primary:        #1d4ed8;
  --color-primary-hover:  #1742b0;
  --color-primary-light:  #eaf0fd;
  --color-secondary:      #0f766e;   /* teal, used sparingly for callouts */
  --color-secondary-light:#e3f4f1;
  --color-accent:         #b45309;   /* warm amber, tip accent only */
  --color-accent-light:   #fdf1e3;

  /* Neutrals — warm slate scale, never #000 */
  --neutral-950: #1a1c22;
  --neutral-900: #23262e;
  --neutral-800: #343843;
  --neutral-700: #474c59;
  --neutral-600: #5c6271;
  --neutral-500: #767d8c;
  --neutral-400: #9aa0ad;
  --neutral-300: #c7cbd4;
  --neutral-200: #e3e6ec;
  --neutral-100: #f0f2f6;
  --neutral-50:  #f7f8fb;
  --white:       #ffffff;

  /* Surface — warm light editorial paper */
  --bg-page:   #fbfaf8;
  --bg-subtle: #f4f3ef;
  --bg-muted:  #ecebe6;
  --border:    #e7e5df;
  --border-hover: #d6d3ca;

  /* Ink for body copy (high-contrast AA on paper) */
  --ink:        #2b2e36;
  --ink-soft:   #4a4f5b;

  /* Typography — HTML-loaded families only */
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body:    'Plus Jakarta Sans', 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

  /* Type Scale — 1.2 modular, reading-first */
  --text-xs:   0.78rem;
  --text-sm:   0.9rem;
  --text-base: 1.0625rem;   /* 17px body for comfort */
  --text-lg:   1.2rem;
  --text-xl:   1.4rem;
  --text-2xl:  1.7rem;
  --text-3xl:  2.1rem;
  --text-4xl:  2.6rem;
  --text-5xl:  3.25rem;

  /* Spacing — 4px base */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout — generous measure for reading */
  --content-width: 720px;
  --wide-width:    1120px;
  --sidebar-width: 280px;

  /* Border radius — soft, editorial */
  --radius-sm:   5px;
  --radius-md:   9px;
  --radius-lg:   14px;
  --radius-xl:   18px;
  --radius-2xl:  26px;
  --radius-full: 9999px;

  /* Shadows — neutral-tinted, soft diffusion (no glow) */
  --shadow-xs: 0 1px 2px rgba(26,28,34,0.04);
  --shadow-sm: 0 2px 6px rgba(26,28,34,0.05), 0 1px 2px rgba(26,28,34,0.04);
  --shadow-md: 0 12px 28px -12px rgba(26,28,34,0.12), 0 2px 6px rgba(26,28,34,0.05);
  --shadow-lg: 0 28px 56px -20px rgba(26,28,34,0.16), 0 6px 16px rgba(26,28,34,0.06);

  /* Transitions — restrained (motion 3-4) */
  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:   cubic-bezier(0.4, 0, 1, 1);
  --ease-base: cubic-bezier(0.4, 0, 0.2, 1);
  --duration-fast:  140ms;
  --duration-base:  220ms;
  --duration-slow:  360ms;
}

/* ─── Reset & Base ─────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  font-size: 16px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.72;
  color: var(--ink);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection { background: var(--color-primary-light); color: var(--neutral-950); }

/* ─── Reading Progress Bar ─────────────────── */
#reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: transparent;
  z-index: 1000;
}
#reading-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--color-primary);
  transition: width 0.1s linear;
  transform-origin: left;
}

/* ─── Skip Link ────────────────────────────── */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: var(--white);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  z-index: 9999;
  transition: top var(--duration-fast);
}
.skip-link:focus { top: var(--space-4); outline: 2px solid var(--white); outline-offset: 2px; }

/* ─── Cookie Banner (dark, kept for contrast) ── */
#cookie-banner {
  display: none;
  position: fixed;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  width: min(560px, calc(100vw - var(--space-8)));
  background: var(--neutral-950);
  color: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-5) var(--space-6);
  box-shadow: var(--shadow-lg);
  z-index: 900;
  gap: var(--space-4);
}
#cookie-banner.visible { display: flex; flex-direction: column; gap: var(--space-4); animation: slideUp var(--duration-slow) var(--ease-out); }
@keyframes slideUp { from { opacity:0; transform: translateX(-50%) translateY(var(--space-6)); } to { opacity:1; transform: translateX(-50%) translateY(0); } }
.cookie-inner { display: flex; flex-direction: column; gap: var(--space-4); }
.cookie-text strong { font-size: var(--text-sm); letter-spacing: .04em; text-transform: uppercase; color: var(--neutral-400); }
.cookie-text p { font-size: var(--text-sm); color: var(--neutral-300); margin-top: var(--space-1); line-height: 1.55; }
.cookie-text a { color: var(--white); text-underline-offset: 2px; }
.cookie-preferences { padding: var(--space-3); border: 1px solid var(--neutral-700); border-radius: var(--radius-md); color: var(--neutral-200); font-size: var(--text-sm); }
.cookie-preferences label { display: flex; align-items: center; gap: var(--space-2); cursor: pointer; }
.cookie-preferences input { width: 1.1rem; height: 1.1rem; accent-color: var(--color-primary); }
.cookie-actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.btn-accept-all { background: var(--color-primary); color: var(--white); border: none; border-radius: var(--radius-md); padding: var(--space-2) var(--space-5); font-size: var(--text-sm); font-weight: 600; font-family: var(--font-body); cursor: pointer; transition: background var(--duration-fast); }
.btn-accept-all:hover { background: var(--color-primary-hover); }
.btn-reject, .btn-settings { background: transparent; color: var(--neutral-300); border: 1px solid var(--neutral-700); border-radius: var(--radius-md); padding: var(--space-2) var(--space-4); font-size: var(--text-sm); font-family: var(--font-body); cursor: pointer; transition: color var(--duration-fast), border-color var(--duration-fast); }
.btn-reject:hover, .btn-settings:hover { color: var(--white); border-color: var(--neutral-500); }

/* ─── Site Header ──────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251,250,248,0.86);
  backdrop-filter: blur(12px) saturate(160%);
  -webkit-backdrop-filter: blur(12px) saturate(160%);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--duration-base) var(--ease-out), border-color var(--duration-base);
}
.site-header.scrolled { box-shadow: var(--shadow-sm); border-color: var(--border-hover); }
.header-inner {
  max-width: var(--wide-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}
.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--neutral-950);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}
.site-logo svg { width: 28px; height: 28px; color: var(--color-primary); flex-shrink: 0; }
.site-logo:hover { color: var(--color-primary); }
.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.site-nav a {
  padding: var(--space-2) var(--space-3);
  text-decoration: none;
  color: var(--neutral-600);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: color var(--duration-fast), background var(--duration-fast);
  white-space: nowrap;
}
.site-nav a:hover { color: var(--neutral-950); background: var(--neutral-100); }
.site-nav a.nav-cta {
  background: var(--color-primary);
  color: var(--white);
  padding: var(--space-2) var(--space-4);
}
.site-nav a.nav-cta:hover { background: var(--color-primary-hover); color: var(--white); }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--neutral-700);
}
@media (max-width: 768px) {
  .nav-toggle { display: flex; align-items: center; }
  .site-nav {
    display: none;
    position: fixed;
    top: 64px;
    left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: var(--space-4) var(--space-6);
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-1);
    box-shadow: var(--shadow-md);
    z-index: 99;
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); }
}

/* ─── Hero Section — light editorial ───────── */
.hero-section {
  background:
    radial-gradient(120% 100% at 85% 0%, var(--color-primary-light) 0%, transparent 55%),
    var(--bg-page);
  border-bottom: 1px solid var(--border);
  padding: var(--space-20) 0 var(--space-16);
  position: relative;
  overflow: hidden;
}

/* faint editorial grid (kept, lightened for paper) */
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(29,78,216,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(29,78,216,0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(120% 90% at 80% 0%, #000 0%, transparent 70%);
          mask-image: radial-gradient(120% 90% at 80% 0%, #000 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: var(--wide-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-12);
  align-items: center;
  position: relative;
  z-index: 1;
}
@media (max-width: 900px) {
  .hero-section { padding: var(--space-16) 0; }
  .hero-inner { grid-template-columns: 1fr; gap: var(--space-8); }
  .hero-visual { display: none; }
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-light);
  border: 1px solid rgba(29,78,216,0.18);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-5);
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4.5vw, var(--text-5xl));
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--neutral-950);
  margin-bottom: var(--space-5);
  max-width: 18ch;
}
.hero-subhead {
  font-size: var(--text-lg);
  color: var(--ink-soft);
  line-height: 1.6;
  max-width: 52ch;
  margin-bottom: var(--space-8);
}
.hero-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* ─── Hero Visual — light card ─────────────── */
.hero-visual {
  position: relative;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.hero-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
}
.hero-visual-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, transparent 70%);
}

.hero-badge {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-10);
}
/* concentric trust rings — single subtle breathing pulse */
.hero-badge::before,
.hero-badge::after {
  content: '';
  position: absolute;
  border-radius: var(--radius-full);
  border: 1px solid rgba(29,78,216,0.22);
  animation: neuralPulse 4s ease-in-out infinite;
}
.hero-badge::before {
  width: 96px;
  height: 96px;
  animation-delay: 0s;
}
.hero-badge::after {
  width: 156px;
  height: 156px;
  border-color: rgba(29,78,216,0.12);
  animation-delay: 0.6s;
}
@keyframes neuralPulse {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50%       { transform: scale(1.06); opacity: 1; }
}

.hero-badge__icon {
  position: relative;
  z-index: 3;
  width: 64px;
  height: 64px;
  color: var(--color-primary);
}
.hero-badge__icon svg { width: 100%; height: 100%; }
.hero-badge__label {
  position: relative;
  z-index: 3;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ─── Typewriter cursor / mono label ───────── */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}
.mono-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-secondary);
  letter-spacing: 0.04em;
}
.mono-label::after {
  content: '|';
  margin-left: 2px;
  animation: blink 1.1s step-end infinite;
}

/* scan line — kept, softened on light card */
@keyframes scanLine {
  0%   { transform: translateY(-100%); opacity: 0; }
  10%  { opacity: 0.25; }
  90%  { opacity: 0.25; }
  100% { transform: translateY(400%); opacity: 0; }
}
.hero-visual::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(29,78,216,0.4), transparent);
  animation: scanLine 5s ease-in-out infinite;
  pointer-events: none;
  z-index: 5;
}

/* ─── Buttons ──────────────────────────────── */
.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  font-family: var(--font-body);
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out),
              background var(--duration-fast),
              border-color var(--duration-fast),
              color var(--duration-fast);
}
.btn-primary:active, .btn-secondary:active { transform: translateY(1px) scale(0.99); }
.btn-primary {
  background: var(--color-primary);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-secondary {
  background: var(--white);
  color: var(--neutral-800);
  border: 1px solid var(--border-hover);
}
.btn-secondary:hover {
  background: var(--neutral-50);
  border-color: var(--neutral-400);
  transform: translateY(-1px);
  color: var(--neutral-950);
}

/* ─── Scroll Reveal (subtle) ───────────────── */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s cubic-bezier(0.16,1,0.3,1), transform 0.55s cubic-bezier(0.16,1,0.3,1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }
.reveal-delay-5 { transition-delay: 0.40s; }

/* ─── Categories / Directory Sections ──────── */
.categories-section, .directory-section {
  padding: var(--space-16) 0;
  background: var(--white);
}
.section-inner {
  max-width: var(--wide-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}
.section-header {
  margin-bottom: var(--space-10);
  max-width: 62ch;
}
.section-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
  display: block;
}
.section-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--neutral-950);
  line-height: 1.15;
}
.section-intro {
  font-size: var(--text-lg);
  color: var(--ink-soft);
  margin: var(--space-3) 0 var(--space-8);
  max-width: 60ch;
  line-height: 1.6;
}
#directory-heading {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--neutral-950);
  line-height: 1.15;
  margin-bottom: var(--space-3);
}

.categories-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}
@media (max-width: 600px) {
  .categories-grid { grid-template-columns: 1fr; }
}

.category-card {
  display: block;
  text-decoration: none;
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out),
              border-color var(--duration-fast);
}
.category-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-hover);
}
.cat-icon {
  width: 44px;
  height: 44px;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  color: var(--color-primary);
  transition: background var(--duration-fast), color var(--duration-fast);
}
.category-card:hover .cat-icon { background: var(--color-primary); color: var(--white); }
.cat-icon svg { width: 22px; height: 22px; }
.category-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--neutral-950);
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}
.category-card p {
  font-size: var(--text-sm);
  color: var(--ink-soft);
  line-height: 1.6;
}

/* ─── Methodology Section ──────────────────── */
.methodology-section {
  padding: var(--space-16) 0;
  background: var(--bg-subtle);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-8);
}
@media (max-width: 768px) {
  .method-grid { grid-template-columns: 1fr; }
}
/* anti-slop: differentiate the trio with a leading accent rule */
.method-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-top: 3px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: transform var(--duration-base) var(--ease-out), box-shadow var(--duration-base);
}
.method-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.method-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--neutral-950);
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}
.method-card p {
  font-size: var(--text-sm);
  color: var(--ink-soft);
  line-height: 1.65;
  margin: 0;
}
#method-heading {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--neutral-950);
  line-height: 1.15;
}

/* ─── About Section ────────────────────────── */
.about-section {
  padding: var(--space-16) 0;
  border-top: 1px solid var(--border);
}
.about-inner { max-width: 680px; }
.about-text h2 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--neutral-950);
  margin-bottom: var(--space-5);
}
.about-text p {
  font-size: var(--text-lg);
  color: var(--ink-soft);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}
.author-signature {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  margin-top: var(--space-8);
}
.author-avatar {
  width: 52px;
  height: 52px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--white);
}
.author-avatar svg { width: 28px; height: 28px; }
.author-info strong { display: block; font-size: var(--text-sm); font-weight: 700; color: var(--neutral-950); }
.author-info span { font-size: var(--text-sm); color: var(--neutral-500); }

/* ─── Article Layout ───────────────────────── */
.article-layout {
  max-width: calc(var(--content-width) + var(--sidebar-width) + var(--space-12));
  margin: 0 auto;
  padding: var(--space-8) var(--space-6);
  display: grid;
  grid-template-columns: 1fr var(--sidebar-width);
  gap: var(--space-10);
  align-items: start;
}
@media (max-width: 1100px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { display: none; }
}

/* ─── Article Content ──────────────────────── */
.post-layout { max-width: var(--wide-width); margin: 0 auto; padding: var(--space-8) var(--space-6); }
.post-header { margin-bottom: var(--space-6); }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--neutral-500);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}
.breadcrumb ol { list-style: none; display: flex; align-items: center; gap: var(--space-1); flex-wrap: wrap; }
.breadcrumb li { display: flex; align-items: center; gap: var(--space-1); }
.breadcrumb li + li::before { content: '/'; color: var(--neutral-300); }
.breadcrumb a { color: var(--color-primary); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb [aria-current="page"] { color: var(--neutral-500); }

h1.post-title, .post-header h1 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.5vw, var(--text-4xl));
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--neutral-950);
  margin-bottom: var(--space-5);
  max-width: 22ch;
}
.post-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-sm);
  color: var(--neutral-500);
  flex-wrap: wrap;
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--border);
}
.post-meta time, .post-meta .reading-time { display: flex; align-items: center; gap: var(--space-1); }
.post-meta svg { width: 14px; height: 14px; }

/* ─── Disclaimer (YMYL trust cue) ──────────── */
.disclaimer {
  display: flex;
  gap: var(--space-4);
  background: var(--color-primary-light);
  border: 1px solid rgba(29,78,216,0.22);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  margin: var(--space-6) 0;
}
.disclaimer-icon { flex-shrink: 0; width: 22px; height: 22px; color: var(--color-primary); margin-top: 2px; }
.disclaimer-body strong { display: block; font-size: var(--text-sm); font-weight: 700; color: var(--color-primary); margin-bottom: var(--space-1); }
.disclaimer-body p { font-size: var(--text-sm); color: var(--ink-soft); line-height: 1.55; margin: 0; }

/* ─── Table of Contents ────────────────────── */
.toc {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin: var(--space-8) 0;
}
.toc-title {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--neutral-500);
  margin-bottom: var(--space-3);
}
.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  counter-reset: toc;
}
.toc-list li { counter-increment: toc; }
.toc-list a {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--ink-soft);
  font-size: var(--text-sm);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  transition: color var(--duration-fast), background var(--duration-fast);
}
.toc-list a::before {
  content: counter(toc);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--neutral-400);
  flex-shrink: 0;
  width: 18px;
}
.toc-list a:hover, .toc-list a.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
}
.sidebar-toc { position: sticky; top: 84px; }
.sidebar-toc .toc-title { font-size: var(--text-xs); }

/* ─── Article Body (reading-first measure) ─── */
.post-content h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--neutral-950);
  margin: var(--space-12) 0 var(--space-4);
  line-height: 1.2;
  scroll-margin-top: 84px;
}
.post-content h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--neutral-900);
  margin: var(--space-8) 0 var(--space-3);
  scroll-margin-top: 84px;
}
.post-content p {
  font-size: var(--text-base);
  line-height: 1.78;
  color: var(--ink);
  margin-bottom: var(--space-5);
  max-width: 68ch;
}
.post-content strong { font-weight: 700; color: var(--neutral-950); }
.post-content em { font-style: italic; }
.post-content a { color: var(--color-primary); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; transition: text-decoration-thickness var(--duration-fast); }
.post-content a:hover { text-decoration-thickness: 2px; }
.post-content ul, .post-content ol { padding-left: var(--space-6); margin-bottom: var(--space-5); max-width: 68ch; }
.post-content li { margin-bottom: var(--space-2); color: var(--ink); line-height: 1.72; }
.post-content ol li { padding-left: var(--space-2); }
.post-content blockquote {
  border-left: 3px solid var(--color-primary);
  padding: var(--space-4) var(--space-6);
  margin: var(--space-8) 0;
  background: var(--bg-subtle);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--neutral-800);
  font-style: italic;
  line-height: 1.55;
}
.post-content hr { border: none; border-top: 1px solid var(--border); margin: var(--space-10) 0; }
.post-content code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--neutral-100);
  color: var(--color-primary-hover);
  padding: 0.12em 0.42em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--neutral-200);
}
.post-content pre {
  background: var(--neutral-950);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  overflow-x: auto;
  margin: var(--space-6) 0;
}
.post-content pre code {
  background: none;
  border: none;
  color: var(--neutral-100);
  font-size: var(--text-sm);
  padding: 0;
}
.post-content table { width: 100%; border-collapse: collapse; margin: var(--space-6) 0; font-size: var(--text-sm); }
.post-content th { background: var(--neutral-100); color: var(--neutral-950); padding: var(--space-3) var(--space-4); text-align: left; font-weight: 700; border-bottom: 2px solid var(--border-hover); }
.post-content td { padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--border); color: var(--ink); }
.post-content tr:nth-child(even) td { background: var(--bg-subtle); }

/* ─── Callout Box ──────────────────────────── */
.callout {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  margin: var(--space-6) 0;
}
.callout--info { background: var(--color-primary-light); border: 1px solid rgba(29,78,216,0.2); border-left: 4px solid var(--color-primary); }
.callout--tip  { background: var(--color-accent-light);  border: 1px solid rgba(180,83,9,0.2);  border-left: 4px solid var(--color-accent); }
.callout--warn { background: var(--color-secondary-light); border: 1px solid rgba(15,118,110,0.2); border-left: 4px solid var(--color-secondary); }
.callout-icon { flex-shrink: 0; width: 20px; height: 20px; margin-top: 2px; }
.callout--info .callout-icon { color: var(--color-primary); }
.callout--tip  .callout-icon { color: var(--color-accent); }
.callout--warn .callout-icon { color: var(--color-secondary); }
.callout-body p { margin: 0; font-size: var(--text-sm); line-height: 1.62; color: var(--ink); }
.callout-body strong { display: block; font-weight: 700; margin-bottom: var(--space-1); color: var(--neutral-950); }

/* ─── Ad Slots (CLS = 0, clean framing) ────── */
.ad-slot {
  display: block;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin: var(--space-10) auto;
  position: relative;
  overflow: hidden;
}
.ad-slot::before {
  content: 'Advertisement';
  position: absolute;
  top: var(--space-2);
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--neutral-400);
  pointer-events: none;
}
.ad-slot:empty { display: none; }
.ad-slot--in-content { min-height: 250px; width: 100%; max-width: 728px; }
.ad-slot--sidebar { min-height: 250px; min-width: 300px; width: 300px; }
.ad-slot--leaderboard { min-height: 90px; width: 100%; max-width: 728px; }
.adsbygoogle { display: block; margin: var(--space-10) auto; }

/* ─── Newsletter Inline (kept dark, refined) ─ */
.newsletter-inline {
  background: var(--neutral-950);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  margin: var(--space-10) 0;
  color: var(--white);
  border: 1px solid var(--neutral-800);
}
.newsletter-inline h3 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  letter-spacing: -0.015em;
  margin-bottom: var(--space-2);
  color: var(--white);
}
.newsletter-inline p { font-size: var(--text-sm); color: var(--neutral-300); margin-bottom: var(--space-5); }
.newsletter-form { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.newsletter-form input[type="email"] {
  flex: 1;
  min-width: 200px;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--neutral-700);
  background: var(--neutral-900);
  color: var(--white);
  font-size: var(--text-sm);
  font-family: var(--font-body);
  outline: none;
  transition: border-color var(--duration-fast);
}
.newsletter-form input[type="email"]:focus { border-color: var(--color-primary); }
.newsletter-form input[type="email"]::placeholder { color: var(--neutral-500); }
.newsletter-form button {
  padding: var(--space-3) var(--space-5);
  background: var(--color-primary);
  color: var(--white);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--duration-fast), transform var(--duration-fast);
}
.newsletter-form button:hover { background: var(--color-primary-hover); transform: translateY(-1px); }
.newsletter-disclaimer { font-size: var(--text-xs); color: var(--neutral-400); margin-top: var(--space-3); }

/* ─── FAQ Section ──────────────────────────── */
.faq-section { margin: var(--space-12) 0; }
.faq-section h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--neutral-950);
  margin-bottom: var(--space-6);
}
.faq-item { border-bottom: 1px solid var(--border); padding: var(--space-5) 0; }
.faq-question { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); cursor: pointer; list-style: none; }
.faq-question::-webkit-details-marker { display: none; }
.faq-question dt, .faq-question strong { font-size: var(--text-base); font-weight: 700; color: var(--neutral-950); line-height: 1.45; }
.faq-answer, .faq-item dd { margin-top: var(--space-3); font-size: var(--text-base); color: var(--ink-soft); line-height: 1.72; }
dl.faq-list dt { font-size: var(--text-base); font-weight: 700; color: var(--neutral-950); margin-top: var(--space-6); padding-top: var(--space-5); border-top: 1px solid var(--border); }
dl.faq-list dt:first-child { margin-top: 0; padding-top: 0; border-top: none; }
dl.faq-list dd { margin: var(--space-2) 0 0 0; color: var(--ink-soft); line-height: 1.72; }
dl.faq-list dd p { margin: 0; }

/* ─── Author Box (E-E-A-T trust) ───────────── */
.author-box {
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  margin: var(--space-12) 0;
}
.author-box-avatar { width: 60px; height: 60px; background: var(--color-primary-light); border-radius: var(--radius-full); display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: var(--color-primary); }
.author-box-avatar svg { width: 32px; height: 32px; }
.author-box-info { min-width: 0; }
.author-box-label { font-family: var(--font-mono); font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--neutral-500); margin-bottom: var(--space-1); }
.author-box-name { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 600; color: var(--neutral-950); margin-bottom: var(--space-2); }
.author-box-bio { font-size: var(--text-sm); color: var(--ink-soft); line-height: 1.62; }

/* ─── Related Articles ─────────────────────── */
.related-articles { margin: var(--space-12) 0; }
.related-articles h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--neutral-950);
  margin-bottom: var(--space-5);
  letter-spacing: -0.01em;
}
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
@media (max-width: 768px) { .related-grid { grid-template-columns: 1fr; } }
.related-card {
  text-decoration: none;
  display: block;
  padding: var(--space-5);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: transform var(--duration-base) var(--ease-out), box-shadow var(--duration-base), border-color var(--duration-fast);
}
.related-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); border-color: var(--border-hover); }
.related-card-category { font-family: var(--font-mono); font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; color: var(--color-primary); margin-bottom: var(--space-2); }
.related-card-title { font-family: var(--font-display); font-size: var(--text-base); font-weight: 600; color: var(--neutral-950); line-height: 1.4; }

/* ─── Article Sidebar ──────────────────────── */
.article-sidebar { min-width: 0; }

/* ─── Site Footer (dark, anchored) ─────────── */
.site-footer {
  background: var(--neutral-950);
  color: var(--neutral-400);
  padding: var(--space-16) 0 var(--space-8);
  margin-top: var(--space-16);
}
.footer-inner { max-width: var(--wide-width); margin: 0 auto; padding: 0 var(--space-6); }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-8);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid var(--neutral-800);
}
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 600; color: var(--white); margin-bottom: var(--space-4); letter-spacing: -0.015em; }
.footer-disclaimer { font-size: var(--text-sm); line-height: 1.62; color: var(--neutral-400); max-width: 38ch; }
.footer-col h4 { font-family: var(--font-mono); font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--neutral-300); margin-bottom: var(--space-4); }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-2); }
.footer-col a { font-size: var(--text-sm); color: var(--neutral-400); text-decoration: none; transition: color var(--duration-fast); }
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding-top: var(--space-8);
  font-size: var(--text-sm);
  color: var(--neutral-500);
}
.footer-bottom a { color: var(--neutral-400); text-decoration: none; }
.footer-bottom a:hover { color: var(--neutral-200); }

/* ─── 404 Error Page ───────────────────────── */
.error-page { min-height: 60vh; display: flex; align-items: center; justify-content: center; padding: var(--space-16) var(--space-6); }
.error-inner { max-width: 480px; text-align: center; }
.error-code { font-family: var(--font-display); font-size: 7rem; font-weight: 600; line-height: 1; color: var(--color-primary); opacity: 0.18; letter-spacing: -0.03em; margin-bottom: var(--space-4); }
.error-inner h1 { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 600; color: var(--neutral-950); margin-bottom: var(--space-4); letter-spacing: -0.01em; }
.error-inner p { font-size: var(--text-lg); color: var(--ink-soft); margin-bottom: var(--space-8); }
.error-links { display: flex; gap: var(--space-3); justify-content: center; flex-wrap: wrap; }

/* ─── Legal Pages ──────────────────────────── */
.legal-layout { max-width: 760px; margin: var(--space-10) auto; padding: 0 var(--space-6) var(--space-16); }
.legal-layout h1 { font-family: var(--font-display); font-size: var(--text-3xl); font-weight: 600; letter-spacing: -0.02em; margin-bottom: var(--space-3); color: var(--neutral-950); }
.legal-updated { font-size: var(--text-sm); color: var(--neutral-500); margin-bottom: var(--space-10); }
.legal-layout h2 { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 600; color: var(--neutral-950); margin: var(--space-10) 0 var(--space-4); letter-spacing: -0.01em; }
.legal-layout h3 { font-family: var(--font-display); font-size: var(--text-base); font-weight: 700; color: var(--neutral-800); margin: var(--space-6) 0 var(--space-2); }
.legal-layout p { font-size: var(--text-base); line-height: 1.78; color: var(--ink); margin-bottom: var(--space-4); max-width: 70ch; }
.legal-layout ul, .legal-layout ol { padding-left: var(--space-6); margin-bottom: var(--space-4); max-width: 70ch; }
.legal-layout li { font-size: var(--text-base); line-height: 1.72; color: var(--ink); margin-bottom: var(--space-2); }
.plain-language { background: var(--color-primary-light); border: 1px solid rgba(29,78,216,0.2); border-left: 4px solid var(--color-primary); border-radius: var(--radius-lg); padding: var(--space-4) var(--space-5); margin: var(--space-4) 0; font-size: var(--text-sm); color: var(--ink-soft); }
.plain-language strong { color: var(--color-primary); }
.legal-table { width: 100%; border-collapse: collapse; margin: var(--space-6) 0; font-size: var(--text-sm); }
.legal-table th { background: var(--neutral-100); color: var(--neutral-950); padding: var(--space-3) var(--space-4); text-align: left; font-weight: 700; border-bottom: 2px solid var(--border-hover); }
.legal-table td { padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--border); vertical-align: top; color: var(--ink); }
.legal-table tr:nth-child(even) td { background: var(--bg-subtle); }
@media (max-width: 600px) { .legal-table { font-size: var(--text-xs); } .legal-table th, .legal-table td { padding: var(--space-2); } }

/* ─── Focus Styles (WCAG 2.1 AA) ──────────── */
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; border-radius: var(--radius-sm); }
button:focus-visible, a:focus-visible { outline-offset: 3px; }

/* ─── Hero Text utility ────────────────────── */
.hero-text { max-width: 600px; }

/* ─── Post Body Wrap ───────────────────────── */
.post-body-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-top: var(--space-2);
}
@media (min-width: 1100px) {
  .post-body-wrap { grid-template-columns: var(--sidebar-width) 1fr; align-items: start; }
  .post-body-wrap .toc { position: sticky; top: 84px; order: -1; }
  .post-body-wrap .post-content { min-width: 0; }
}

/* ─── Responsive fix: no overflow orizzontale colonna articolo (min-width:auto sui grid item) ── */
.post-body-wrap > * { min-width: 0; }
.post-content { overflow-wrap: break-word; }
.post-content table { display: block; max-width: 100%; overflow-x: auto; }
.newsletter-form input { min-width: 0; flex: 1 1 auto; }
@media (max-width: 400px) { .btn-primary, .btn-secondary { white-space: normal; max-width: 100%; } }

/* ─── TOC inline ───────────────────────────── */
#toc { background: var(--bg-subtle); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-5); margin: var(--space-8) 0; }
#toc .toc-title { font-family: var(--font-mono); font-size: var(--text-sm); font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--neutral-500); margin-bottom: var(--space-3); display: block; }
#toc ol { list-style: decimal; padding-left: var(--space-5); }
#toc ol li { margin-bottom: var(--space-2); }
#toc ol a { text-decoration: none; color: var(--ink-soft); font-size: var(--text-sm); transition: color var(--duration-fast); }
#toc ol a:hover { color: var(--color-primary); }

/* ─── Utility ──────────────────────────────── */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border-width: 0; }
img { max-width: 100%; height: auto; display: block; }
picture img { width: 100%; height: auto; }

/* ─── Skeleton Shimmer ─────────────────────── */
@keyframes shimmer {
  0%   { background-position: -800px 0; }
  100% { background-position:  800px 0; }
}
.skeleton {
  display: block;
  background: linear-gradient(90deg, var(--neutral-200) 25%, var(--neutral-100) 50%, var(--neutral-200) 75%);
  background-size: 800px 100%;
  animation: shimmer 1.4s ease-in-out infinite;
  border-radius: 4px;
}
.skeleton-text  { height: 1em; margin-bottom: var(--space-2); width: 100%; }
.skeleton-text--sm  { width: 60%; }
.skeleton-text--md  { width: 80%; }
.skeleton-title { height: 1.5em; width: 70%; margin-bottom: var(--space-3); }
.skeleton-img   { width: 100%; aspect-ratio: 16/9; }
.skeleton-card  { padding: var(--space-4); border: 1px solid var(--border); border-radius: 8px; }

/* ─── LCP image ────────────────────────────── */
img[loading="lazy"] { content-visibility: auto; }
img[fetchpriority="high"] { content-visibility: visible; }

/* ─── Font-display swap ────────────────────── */
@font-face { font-display: swap; }

/* === BRAND-PATCH v1 === */
/* Reveal: visible by default (no-JS / crawler safe); hide only when JS present */
.reveal { opacity: 1; transform: none; }
html.js .reveal:not(.visible) { opacity: 0; transform: translateY(24px); }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1 !important; transform: none !important; } }

/* Full-background branded banner hero: art behind, title + content in front */
.hero-section { position: relative; overflow: hidden; isolation: isolate; border-bottom: none; padding: clamp(4rem, 9vw, 7rem) 0; }
.hero-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero-bg .hero-art { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-bg .hero-scrim { position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(10,14,22,.88) 0%, rgba(10,14,22,.66) 40%, rgba(10,14,22,.30) 72%, rgba(10,14,22,.12) 100%); }
.hero-inner { position: relative; z-index: 1; grid-template-columns: 1fr; }
.hero-text { max-width: 680px; }
.hero-visual { display: none !important; }
.hero-headline { color: #fff; text-shadow: 0 2px 18px rgba(0,0,0,.45); }
.hero-subhead { color: rgba(255,255,255,.92); text-shadow: 0 1px 10px rgba(0,0,0,.4); }
.hero-eyebrow { color: #fff; background: rgba(255,255,255,.16); }
.hero-section .btn-secondary { color: #fff; border-color: rgba(255,255,255,.55); background: rgba(255,255,255,.08); }
.hero-section .btn-secondary:hover { background: rgba(255,255,255,.16); }
@media (max-width: 900px) { .hero-bg .hero-scrim { background: linear-gradient(160deg, rgba(10,14,22,.86) 0%, rgba(10,14,22,.6) 60%, rgba(10,14,22,.35) 100%); } }

/* Distinct duotone category & feature icons aligned to brand */
.cat-icon { width: 52px; height: 52px; border-radius: 16px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 16px -6px var(--color-primary); }
.cat-icon svg { width: 26px; height: 26px; stroke: #fff; }
.category-card:nth-child(2n) .cat-icon { background: linear-gradient(135deg, var(--color-secondary), var(--color-primary)); }
.category-card:nth-child(3n) .cat-icon { background: linear-gradient(135deg, var(--color-accent), var(--color-secondary)); }
.features-grid .feature-icon, .feature-icon { border-radius: 14px; }

/* === VISUALS-PATCH v1 === */
.post-hero{margin:0 0 2rem;border-radius:14px;overflow:hidden;box-shadow:0 8px 30px rgba(0,0,0,.10);line-height:0;}.post-hero img{width:100%;height:auto;display:block;aspect-ratio:1200/630;object-fit:cover;background:var(--c1,#ddd);}@media (max-width:640px){.post-hero{border-radius:10px;margin-bottom:1.4rem;}}