@import url('fonts.css');

/* ============================================================
   TuxWeb — Homepage v3
   Design system: Newsreader + IBM Plex Sans + JetBrains Mono
   ============================================================ */

:root {
  /* Base */
  --bg:            #FAF8F4;
  --bg-warm:       #EFE9DC;
  --ink:           #17130C;
  --ink-deep:      #0B0906;
  --text:          #2B2721;
  --muted:         #6E6658;
  --hairline:      #E2DCCE;
  --orange:        #E8760A;
  --orange-hot:    #FF8314;

  /* Aliases (readability) */
  --ink-soft:      var(--text);
  --beige:         var(--bg-warm);

  /* Electric product palette */
  --celeris:       #1440FF;
  --nexus:         #00A862;
  --automata:      #8B00FF;
  --vigil:         #00B4D8;
  --intrusio:      #DC143C;

  /* Typography */
  --font-display:  'IBM Plex Sans', -apple-system, 'Helvetica Neue', sans-serif;
  --font-accent:   'Newsreader', 'Source Serif Pro', Georgia, serif;
  --font-body:     'IBM Plex Sans', -apple-system, 'Helvetica Neue', sans-serif;
  --font-mono:     'JetBrains Mono', 'IBM Plex Mono', 'SF Mono', Consolas, monospace;
  --opsz-display:  "opsz" 72;
  --opsz-sub:      "opsz" 36;
  --opsz-body:     "opsz" 18;

  /* Sizes — compact, elastic-like */
  --h1:            clamp(40px, 5.8vw, 76px);
  --h2:            clamp(32px, 4vw, 52px);
  --h3:            clamp(22px, 2.2vw, 30px);
  --lead:          clamp(16px, 1.1vw, 18px);

  /* Layout */
  --pad-x:         clamp(24px, 5vw, 72px);
  --pad-y:         clamp(64px, 7.5vw, 112px);
  --max:           1280px;
  --gap:           clamp(20px, 2vw, 32px);

  /* Motion */
  --ease:          cubic-bezier(.2,.7,.1,1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
a { color: inherit; text-decoration: none; }

/* ---------- Typography base ---------- */
.display {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.02em;
}
.display em {
  font-family: var(--font-accent);
  font-variation-settings: var(--opsz-display);
  font-style: italic;
  font-weight: 400;
  color: var(--orange);
}
.subhead {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.eyebrow::before {
  content: "— ";
  opacity: 0.6;
  margin-right: 2px;
}

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}

/* ============================================================
   NAV
   ============================================================ */
.nav-v3 {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: background 300ms var(--ease), padding 300ms var(--ease), border-color 300ms var(--ease);
  border-bottom: 1px solid transparent;
}
.nav-v3.scrolled {
  background: rgba(250, 248, 244, 0.92);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  padding: 12px 0;
  border-bottom-color: var(--hairline);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.nav-logo {
  display: inline-flex;
  align-items: center;
  line-height: 0;
}
.nav-logo img {
  display: block;
  height: 44px;
  width: auto;
}
.nav-logo .logo-light { display: block; }
.nav-logo .logo-dark  { display: none; }
.nav-v3.scrolled .nav-logo .logo-light,
.nav-v3.solid    .nav-logo .logo-light { display: none; }
.nav-v3.scrolled .nav-logo .logo-dark,
.nav-v3.solid    .nav-logo .logo-dark  { display: block; }
.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  padding: 0; margin: 0;
}
.nav-links a {
  font-family: var(--font-body);
  font-size: 15px;
  color: rgba(255,255,255,0.86);
  font-weight: 500;
  transition: color 200ms var(--ease);
}
.nav-v3.scrolled .nav-links a { color: var(--text); }
.nav-links a:hover { color: var(--orange); }
.nav-cta {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.6);
  color: #fff;
  transition: background 200ms var(--ease), color 200ms var(--ease), border-color 200ms var(--ease);
}
.nav-cta:hover { background: #fff; color: var(--ink); }
.nav-v3.scrolled .nav-cta {
  border-color: var(--ink);
  color: var(--ink);
}
.nav-v3.scrolled .nav-cta:hover { background: var(--ink); color: var(--bg); }
@media (max-width: 880px) {
  .nav-links { display: none; }
}

/* ============================================================
   HERO with shader
   ============================================================ */
.hero-v3 {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  overflow: hidden;
  color: #fff;
  isolation: isolate;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: var(--ink-deep);
  overflow: hidden;
}
.hero-bg .hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.85) contrast(1.02);
}
.hero-bg .hero-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(11,9,6,0.25) 0%, rgba(11,9,6,0.55) 55%, rgba(11,9,6,0.85) 100%),
    linear-gradient(90deg, rgba(11,9,6,0.55) 0%, rgba(11,9,6,0.15) 55%, rgba(11,9,6,0) 100%),
    radial-gradient(120% 90% at 20% 60%, rgba(232,118,10,0.18) 0%, rgba(232,118,10,0) 55%);
}
.hero-bg .hero-grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.5'/></svg>");
  opacity: 0.15;
  mix-blend-mode: overlay;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 120px var(--pad-x) 96px;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.72);
  margin-bottom: 28px;
}
.hero-eyebrow::before {
  content: "";
  display: inline-block;
  width: 32px;
  height: 1px;
  background: rgba(255,255,255,0.5);
}
.hero-title {
  font-family: var(--font-display);
  font-size: var(--h1);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.025em;
  color: #fff;
  margin: 0 0 20px;
  max-width: 18ch;
}
.hero-title em {
  font-family: var(--font-accent);
  font-variation-settings: var(--opsz-display);
  font-style: italic;
  font-weight: 400;
  color: var(--orange-hot);
}
.hero-sub {
  font-family: var(--font-body);
  font-size: var(--lead);
  font-weight: 400;
  line-height: 1.5;
  color: rgba(255,255,255,0.82);
  max-width: 520px;
  margin: 0 0 32px;
}
.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 28px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: transform 200ms var(--ease), background 200ms var(--ease), color 200ms var(--ease), border-color 200ms var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: var(--orange);
  color: #fff;
}
.btn-primary:hover { background: var(--orange-hot); transform: translateY(-2px); }
.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.6);
}
.btn-ghost:hover { background: rgba(255,255,255,0.1); border-color: #fff; }
.btn-dark {
  background: var(--ink);
  color: var(--bg);
}
.btn-dark:hover { background: #000; transform: translateY(-2px); }
.btn-outline {
  border: 1px solid var(--ink);
  color: var(--ink);
}
.btn-outline:hover { background: var(--ink); color: var(--bg); }
.btn .arrow { transition: transform 200ms var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.6);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  z-index: 2;
}
.scroll-indicator .line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.6), rgba(255,255,255,0));
  animation: scrollPulse 2.4s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { transform: scaleY(0.3); opacity: 0.4; transform-origin: top; }
  50%      { transform: scaleY(1);   opacity: 1;   transform-origin: top; }
}

/* ============================================================
   PROBLEMA — Double punch
   ============================================================ */
.problema {
  padding: var(--pad-y) 0;
  background: var(--bg);
  position: relative;
}
.problema-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 56px;
}
.problema-head .eyebrow { margin-bottom: 20px; display: inline-block; }
.problema-title {
  font-family: var(--font-display);
  font-size: var(--h2);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0;
}
.problema-title em {
  font-family: var(--font-accent);
  font-variation-settings: var(--opsz-display);
  font-style: italic;
  font-weight: 400;
  color: var(--orange);
}
.problema-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--hairline);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 64px;
}
.problema-col {
  background: var(--bg);
  padding: 40px clamp(20px, 3vw, 44px);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.problema-col .glyph {
  width: 36px;
  height: 36px;
  color: var(--orange);
}
.problema-col .tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.problema-col h3 {
  font-family: var(--font-display);
  font-size: var(--h3);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 0;
}
.problema-col p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  margin: 0;
  max-width: 50ch;
}
.problema-foot {
  text-align: center;
  font-family: var(--font-accent);
  font-variation-settings: var(--opsz-sub);
  font-size: clamp(18px, 1.8vw, 24px);
  font-style: italic;
  color: var(--ink);
  line-height: 1.4;
  max-width: 680px;
  margin: 0 auto;
}
.problema-foot strong {
  font-style: normal;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--orange);
}
.problema-grid.triple { grid-template-columns: 1fr 1fr 1fr; }
@media (max-width: 900px) {
  .problema-grid.triple { grid-template-columns: 1fr; gap: 1px; }
}
@media (max-width: 820px) {
  .problema-grid { grid-template-columns: 1fr; gap: 1px; }
}

/* ============================================================
   PILLARS — Tab switcher (dark)
   ============================================================ */
/* ---------- Pillars (cinque scudi) ---------- */
.pillars {
  padding: var(--pad-y) 0;
  background: var(--bg-warm);
  color: var(--ink);
  position: relative;
  overflow: hidden;
}
.pillars .container { position: relative; z-index: 1; }

.pillars-head {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 96px);
  align-items: start;
  margin-bottom: clamp(48px, 6vw, 80px);
}
.pillars-head .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--orange);
  margin-bottom: 24px;
  display: block;
  text-transform: lowercase;
}
.pillars-title {
  font-family: var(--font-display);
  font-size: var(--h1);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin: 0 0 24px;
}
.pillars-title em {
  font-family: var(--font-accent);
  font-variation-settings: var(--opsz-display);
  font-style: italic;
  font-weight: 400;
  color: var(--orange);
}
.pillars-lead {
  font-size: var(--lead);
  line-height: 1.6;
  color: var(--text);
  max-width: 54ch;
  margin: 0;
}
.pillars-aside {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--text);
  border-left: 1px solid var(--hairline);
  padding: 4px 0 4px 24px;
  max-width: 36ch;
}
.pillars-aside strong {
  display: block;
  color: var(--ink);
  font-weight: 500;
  margin-bottom: 12px;
}
.pillars-aside p { margin: 0; color: var(--muted); }

/* Dark band containing the 5 shields */
.shield-band {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  background: var(--ink-deep);
  border-radius: 14px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 32px 80px -30px rgba(23,19,12,0.28);
}
.shield-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 15% 105%, rgba(20,64,255,0.18), transparent 45%),
    radial-gradient(ellipse at 85% 0%, rgba(232,118,10,0.10), transparent 50%);
  pointer-events: none;
}

.shield-card {
  --pc: var(--orange);
  position: relative;
  padding: clamp(24px, 2.2vw, 32px) clamp(16px, 1.4vw, 24px) clamp(28px, 2.4vw, 36px);
  color: rgba(255,255,255,0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,0.06);
  transition: background 320ms var(--ease);
}
.shield-card:last-child { border-right: 0; }
.shield-card:hover {
  background: linear-gradient(180deg, color-mix(in srgb, var(--pc) 10%, transparent), transparent 65%);
}
.shield-card:hover .shield-icon {
  transform: translateY(-4px);
}

.shield-num {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: lowercase;
  color: rgba(255,255,255,0.42);
  margin-bottom: clamp(28px, 3vw, 44px);
}
.shield-num b {
  color: var(--pc);
  font-weight: 500;
  margin-right: 8px;
}

.shield-icon {
  width: clamp(88px, 8.4vw, 124px);
  aspect-ratio: 100 / 112;
  margin-bottom: clamp(22px, 2vw, 32px);
  filter: drop-shadow(0 10px 28px color-mix(in srgb, var(--pc) 45%, transparent));
  transition: transform 320ms var(--ease);
}
.shield-icon svg { width: 100%; height: 100%; display: block; }

.shield-card h3 {
  font-family: var(--font-mono);
  font-size: clamp(20px, 1.6vw, 24px);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: #fff;
  margin: 0 0 10px;
}
.shield-card h3::after { content: "."; color: var(--pc); }

.shield-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.48);
  margin-bottom: clamp(16px, 1.4vw, 20px);
}

.shield-sep {
  width: 36px;
  height: 2px;
  background: var(--pc);
  opacity: 0.85;
  margin-bottom: clamp(16px, 1.4vw, 22px);
  border-radius: 2px;
}

.shield-claim {
  font-family: var(--font-accent);
  font-variation-settings: var(--opsz-sub);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(15px, 1.05vw, 17px);
  line-height: 1.35;
  color: rgba(255,255,255,0.92);
  max-width: 22ch;
  margin: 0 0 clamp(22px, 2vw, 30px);
}

.shield-meta {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: rgba(255,255,255,0.38);
  text-transform: lowercase;
}

/* Footer row */
.pillars-foot {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: clamp(20px, 3vw, 48px);
  align-items: center;
  margin-top: clamp(32px, 3.5vw, 56px);
}
.pillars-foot .cue {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}
.pillars-foot .line {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.05vw, 17px);
  color: var(--muted);
  margin: 0;
  text-align: center;
}
.pillars-foot .line em {
  font-family: var(--font-accent);
  font-variation-settings: var(--opsz-sub);
  font-style: italic;
  color: var(--orange);
}
.pillars-foot .btn-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: 999px;
  border: 1px solid var(--orange);
  background: transparent;
  color: var(--orange);
  font-size: 13px;
  font-weight: 500;
  transition: background 200ms var(--ease), color 200ms var(--ease);
}
.pillars-foot .btn-pill:hover { background: var(--orange); color: #fff; }

@media (max-width: 1100px) {
  .shield-band { grid-template-columns: repeat(2, 1fr); }
  .shield-card { border-right: 1px solid rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.06); }
  .shield-card:nth-child(2n) { border-right: 0; }
  .shield-card:nth-last-child(-n+1) { border-bottom: 0; }
  .shield-card:last-child { grid-column: 1 / -1; border-right: 0; }
}
@media (max-width: 760px) {
  .pillars-head { grid-template-columns: 1fr; }
  .pillars-aside { border-left: 0; border-top: 1px solid var(--hairline); padding: 18px 0 0; max-width: none; }
  .shield-band { grid-template-columns: 1fr; }
  .shield-card { border-right: 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .shield-card:last-child { border-bottom: 0; grid-column: auto; }
  .pillars-foot { grid-template-columns: 1fr; text-align: left; }
  .pillars-foot .line { text-align: left; }
}

/* ============================================================
   SOVRANITÀ manifesto
   ============================================================ */
.sovranita {
  padding: var(--pad-y) 0;
  background: var(--bg);
  text-align: center;
}
.sovranita .eyebrow {
  display: inline-block;
  padding-top: 20px;
  border-top: 1px solid var(--hairline);
  width: 180px;
  margin-bottom: 32px;
}
.manifesto {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.4vw, 60px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin: 0 auto 56px;
  max-width: 20ch;
}
.manifesto em {
  font-family: var(--font-accent);
  font-variation-settings: var(--opsz-display);
  font-style: italic;
  font-weight: 400;
  color: var(--orange);
}
.sov-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--hairline);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  text-align: left;
}
.sov-pillar {
  background: var(--bg);
  padding: 32px clamp(18px, 2.2vw, 32px);
}
.sov-pillar .n {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--orange);
  margin-bottom: 14px;
}
.sov-pillar h4 {
  font-family: var(--font-display);
  font-size: clamp(18px, 1.4vw, 20px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0 0 10px;
}
.sov-pillar p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
  margin: 0;
}
@media (max-width: 820px) {
  .sov-pillars { grid-template-columns: 1fr; }
}

/* ============================================================
   STATS
   ============================================================ */
.stats {
  padding: calc(var(--pad-y) * 0.7) 0;
  background: var(--bg);
  border-top: 1px solid var(--hairline);
}
.stats .eyebrow {
  text-align: center;
  display: block;
  margin-bottom: 40px;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat-cell {
  padding: 24px clamp(14px, 1.8vw, 32px);
  border-left: 1px solid var(--hairline);
  text-align: left;
}
.stat-cell:first-child { border-left: 0; }
.stat-num {
  font-family: var(--font-accent);
  font-variation-settings: var(--opsz-display);
  font-size: clamp(52px, 6.4vw, 88px);
  font-style: italic;
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--ink);
  display: flex;
  align-items: baseline;
}
.stat-num .suffix {
  font-size: 0.5em;
  color: var(--orange);
  font-style: normal;
  margin-left: 4px;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 12px;
  max-width: 22ch;
  line-height: 1.5;
}
@media (max-width: 880px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-cell:nth-child(3) { border-left: 0; }
  .stat-cell:nth-child(n+3) { border-top: 1px solid var(--hairline); }
}

/* ============================================================
   USE CASE grid
   ============================================================ */
.usecases {
  padding: var(--pad-y) 0;
  background: var(--bg-warm);
}
.usecases-head {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: var(--gap);
  align-items: end;
  max-width: 1120px;
  margin: 0 auto 48px;
}
.usecases-head .title {
  font-family: var(--font-display);
  font-size: var(--h2);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 16px 0 0;
}
.usecases-head .title em {
  font-family: var(--font-accent);
  font-variation-settings: var(--opsz-display);
  font-style: italic;
  font-weight: 400;
  color: var(--orange);
}
.usecases-head p {
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
  margin: 0;
}
.uc-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 2px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}
.uc-card {
  background: var(--bg);
  padding: clamp(20px, 2vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 220px;
  transition: background 200ms var(--ease);
  cursor: pointer;
}
.uc-card:hover { background: #fff; }
.uc-card.col-3 { grid-column: span 3; }
.uc-card.col-2 { grid-column: span 2; }
.uc-card .uc-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.uc-card h3 {
  font-family: var(--font-display);
  font-size: clamp(18px, 1.5vw, 22px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 0;
}
.uc-card h3 em {
  font-family: var(--font-accent);
  font-variation-settings: var(--opsz-sub);
  font-style: italic;
  font-weight: 400;
  color: var(--orange);
}
.uc-card p {
  font-size: 14px;
  line-height: 1.55;
  color: var(--text);
  margin: 0;
  flex: 1;
}
.uc-card p strong { color: var(--ink); font-weight: 600; }
.uc-card .foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 20px;
  border-top: 1px solid var(--hairline);
}
.uc-card .prod {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
}
.uc-card .prod:not(:has(.prod-shield))::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--pc, var(--orange));
}
.uc-card .prod .prod-shield {
  width: 20px;
  height: auto;
  display: block;
  flex: 0 0 auto;
}
.uc-card .prod.celeris { --pc: var(--celeris); color: var(--celeris); }
.uc-card .prod.nexus { --pc: var(--nexus); color: var(--nexus); }
.uc-card .prod.automata { --pc: var(--automata); color: var(--automata); }
.uc-card .prod.vigil { --pc: var(--vigil); color: var(--vigil); }
.uc-card .prod.intrusio { --pc: var(--intrusio); color: var(--intrusio); }
.uc-card .prod.infra { --pc: var(--orange); color: var(--orange); }
.uc-card .arrow {
  width: 20px; height: 20px;
  color: var(--ink);
  transition: transform 200ms var(--ease);
}
.uc-card:hover .arrow { transform: translateX(4px); }
@media (max-width: 960px) {
  .usecases-head { grid-template-columns: 1fr; gap: 20px; }
  .uc-grid { grid-template-columns: 1fr 1fr; }
  .uc-card.col-3, .uc-card.col-2 { grid-column: span 1; }
}
@media (max-width: 640px) {
  .uc-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   HERITAGE (dark) — storia open source dal 2005
   ============================================================ */
.heritage {
  padding: var(--pad-y) 0 calc(var(--pad-y) * 0.5);
  background: var(--ink);
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.heritage-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: start;
}
.heritage-lead .eyebrow {
  color: rgba(255,255,255,0.55);
  margin-bottom: 20px;
  display: inline-block;
}
.heritage-lead h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 3.8vw, 52px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: #fff;
  margin: 0 0 36px;
  max-width: 18ch;
}
.heritage-lead h2 em {
  font-family: var(--font-accent);
  font-variation-settings: var(--opsz-display);
  font-style: italic;
  font-weight: 400;
  color: var(--orange);
}
.heritage-facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  padding-top: 8px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.heritage-facts .fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 18px;
}
.heritage-facts .fact .n {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
  letter-spacing: -0.02em;
}
.heritage-facts .fact .l {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.65);
  line-height: 1.5;
}
.heritage-story p {
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.65;
  color: rgba(255,255,255,0.82);
  margin: 0 0 1.1em;
}
.heritage-story p strong {
  color: #fff;
  font-weight: 500;
}
.heritage-story p em {
  font-family: var(--font-accent);
  font-style: italic;
  color: var(--orange);
}
.heritage-story p:last-child { margin-bottom: 0; }
@media (max-width: 860px) {
  .heritage-inner { grid-template-columns: 1fr; gap: 36px; }
  .heritage-facts .fact .n { font-size: 32px; }
}

/* ============================================================
   OPEN SOURCE stack (dark)
   ============================================================ */
.opensource {
  padding: var(--pad-y) 0;
  background: var(--ink);
  color: #fff;
}
.opensource-head {
  text-align: center;
  margin-bottom: 48px;
}
.opensource-head .eyebrow { color: rgba(255,255,255,0.55); margin-bottom: 20px; display: inline-block; }
.opensource-title {
  font-family: var(--font-display);
  font-size: var(--h2);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: #fff;
  margin: 0 auto;
  max-width: 22ch;
}
.opensource-title em {
  font-family: var(--font-accent);
  font-variation-settings: var(--opsz-display);
  font-style: italic;
  font-weight: 400;
  color: var(--orange);
}
.os-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.os-card {
  padding: 22px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;
  background: rgba(255,255,255,0.02);
  transition: background 200ms var(--ease), transform 200ms var(--ease), border-color 200ms var(--ease);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.os-card:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(232,118,10,0.4);
  transform: translateY(-4px);
}
.os-card .os-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
}
.os-card h4 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: #fff;
  margin: 0;
}
.os-card p {
  font-size: 13px;
  line-height: 1.55;
  color: rgba(255,255,255,0.68);
  margin: 0;
  flex: 1;
}
.os-card .os-link {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.8);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 200ms var(--ease);
}
.os-card .os-link:hover { color: var(--orange); }
@media (max-width: 1040px) {
  .os-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 680px) {
  .os-grid { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   THREE PATHS + FINAL CTA (dark merged)
   ============================================================ */
.endblock {
  background: var(--ink);
  color: #fff;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.threepaths {
  padding: var(--pad-y) 0 calc(var(--pad-y) * 0.5);
  text-align: center;
}
.threepaths .eyebrow { color: rgba(255,255,255,0.55); margin-bottom: 18px; display: inline-block; }
.threepaths h2 {
  font-family: var(--font-display);
  font-size: var(--h2);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: #fff;
  margin: 0 0 40px;
}
.threepaths h2 em {
  font-family: var(--font-accent);
  font-variation-settings: var(--opsz-display);
  font-style: italic;
  font-weight: 400;
  color: var(--orange);
}
.paths-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  text-align: left;
}
.path-card {
  padding: 40px clamp(24px, 2.5vw, 44px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  background: rgba(255,255,255,0.02);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color 200ms var(--ease), background 200ms var(--ease);
}
.path-card:hover { border-color: var(--orange); background: rgba(232,118,10,0.06); }
.path-card .n {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--orange);
}
.path-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: #fff;
  margin: 0;
}
.path-card p {
  font-size: 14px;
  line-height: 1.55;
  color: rgba(255,255,255,0.7);
  margin: 0;
  flex: 1;
}
.path-card .path-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  padding: 12px 0 0;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.path-card .path-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: #fff;
  margin-top: 4px;
}
.path-card .path-cta .arrow { transition: transform 200ms var(--ease); }
.path-card:hover .path-cta .arrow { transform: translateX(4px); }
@media (max-width: 820px) {
  .paths-grid { grid-template-columns: 1fr; }
}

.final-cta {
  padding: calc(var(--pad-y) * 0.5) 0 var(--pad-y);
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 80px;
}
.final-cta .eyebrow {
  color: rgba(255,255,255,0.55);
  display: inline-block;
  margin-bottom: 32px;
}
.final-cta h2 {
  font-family: var(--font-display);
  font-size: var(--h2);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: #fff;
  margin: 0 auto 32px;
  max-width: 22ch;
}
.final-cta h2 em {
  font-family: var(--font-accent);
  font-variation-settings: var(--opsz-display);
  font-style: italic;
  font-weight: 400;
  color: var(--orange);
}
.final-cta p {
  font-size: 17px;
  line-height: 1.6;
  color: rgba(255,255,255,0.75);
  max-width: 640px;
  margin: 0 auto 40px;
}
.final-cta .hero-ctas { justify-content: center; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer-v3 {
  padding: 80px 0 40px;
  background: #0A0705;
  color: rgba(255,255,255,0.7);
  border-top: 1px solid rgba(255,255,255,0.08);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr repeat(4, 1fr);
  gap: clamp(32px, 4vw, 72px);
  margin-bottom: 64px;
}
.footer-brand .logo {
  display: inline-block;
  margin-bottom: 20px;
  line-height: 0;
}
.footer-brand .logo img { display: block; height: 56px; width: auto; }
.footer-brand p {
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
  max-width: 28ch;
}
.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin: 0 0 20px;
  font-weight: 500;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col a {
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  transition: color 200ms var(--ease);
}
.footer-col a:hover { color: var(--orange); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.08);
  flex-wrap: wrap;
  gap: 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
}
.footer-legal {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-legal a { color: inherit; }
.footer-legal a:hover { color: var(--orange); }
@media (max-width: 1040px) {
  .footer-top { grid-template-columns: 1fr 1fr 1fr; }
  .footer-brand { grid-column: span 3; }
}
@media (max-width: 640px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: span 2; }
}

/* ============================================================
   REVEAL utilities
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}
.reveal.in {
  opacity: 1;
  transform: none;
}
.reveal.d1 { transition-delay: 60ms; }
.reveal.d2 { transition-delay: 140ms; }
.reveal.d3 { transition-delay: 220ms; }
.reveal.d4 { transition-delay: 300ms; }
.reveal.d5 { transition-delay: 380ms; }

.line-mask {
  overflow: hidden;
  display: inline-block;
}
.line-mask > span {
  display: inline-block;
  transform: translateY(110%);
  transition: transform 900ms var(--ease);
}
.line-mask.in > span { transform: translateY(0); }

/* ============================================================
   INTERNAL PAGES — page-hero, section helpers, card grids
   ============================================================ */
.page-hero {
  position: relative;
  background: var(--ink-deep);
  color: #fff;
  padding: clamp(120px, 14vw, 180px) 0 clamp(56px, 7vw, 96px);
  overflow: hidden;
  isolation: isolate;
}
.page-hero::before,
.page-hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  mix-blend-mode: screen;
  pointer-events: none;
  z-index: 0;
}
.page-hero::before {
  width: 55vmax; height: 55vmax;
  top: -30%; left: -15%;
  background: var(--pc, var(--orange));
  opacity: 0.35;
}
.page-hero::after {
  width: 45vmax; height: 45vmax;
  bottom: -35%; right: -20%;
  background: var(--orange);
  opacity: 0.20;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero .breadcrumb {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  margin-bottom: 28px;
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
.page-hero .breadcrumb a {
  color: inherit;
  text-decoration: none;
  transition: color 200ms var(--ease);
}
.page-hero .breadcrumb a:hover { color: #fff; }
.page-hero .breadcrumb .sep { opacity: 0.4; }
.page-hero .breadcrumb .current { color: rgba(255,255,255,0.85); }
.page-hero .kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pc, var(--orange));
  margin-bottom: 20px;
  display: inline-block;
}
.page-hero h1 {
  font-family: var(--font-display);
  font-size: var(--h1);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.025em;
  color: #fff;
  margin: 0 0 24px;
  max-width: 22ch;
}
.page-hero h1 em {
  font-family: var(--font-accent);
  font-variation-settings: var(--opsz-display);
  font-style: italic;
  font-weight: 400;
  color: var(--pc, var(--orange));
}
.page-hero .sub {
  font-size: var(--lead);
  line-height: 1.55;
  color: rgba(255,255,255,0.78);
  max-width: 56ch;
  margin: 0 0 32px;
}
.page-hero .meta {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(8px);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
}
.page-hero .meta .sep { opacity: 0.4; }
.page-hero .meta a {
  color: var(--pc, var(--orange));
  text-decoration: none;
  font-weight: 500;
}
.page-hero .page-hero-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.page-hero-shield {
  justify-self: center;
}
.page-hero-shield img {
  width: clamp(180px, 22vw, 280px);
  height: auto;
  display: block;
  filter: drop-shadow(0 20px 50px color-mix(in srgb, var(--pc, var(--orange)) 55%, transparent));
}
@media (max-width: 860px) {
  .page-hero-grid { grid-template-columns: 1fr; }
  .page-hero-shield { justify-self: start; order: -1; margin-bottom: 8px; }
  .page-hero-shield img { width: 120px; }
}

/* Section helpers */
.section {
  padding: var(--pad-y) 0;
}
.section.dark {
  background: var(--ink);
  color: #fff;
}
.section.beige {
  background: var(--beige);
}
.section-head {
  max-width: 820px;
  margin: 0 auto clamp(40px, 5vw, 72px);
  text-align: center;
}
.section-head.left { margin: 0 0 clamp(40px, 5vw, 72px); text-align: left; }
.section-head .eyebrow { margin-bottom: 16px; display: inline-block; color: var(--pc, var(--orange)); }
.section.dark .section-head .eyebrow { color: var(--pc, var(--orange)); }
.section-head h2 {
  font-family: var(--font-display);
  font-size: var(--h2);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  color: var(--ink);
}
.section.dark .section-head h2 { color: #fff; }
.section-head h2 em {
  font-family: var(--font-accent);
  font-variation-settings: var(--opsz-display);
  font-style: italic;
  font-weight: 400;
  color: var(--pc, var(--orange));
}
.section-head p {
  font-size: var(--lead);
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 60ch;
  margin: 0 auto;
}
.section.dark .section-head p { color: rgba(255,255,255,0.75); }
.section-head.left p { margin: 0; }

/* Split intro (title left, body right) */
.section-split {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: start;
}
.section-split h2 {
  font-family: var(--font-display);
  font-size: var(--h2);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 16px 0 0;
  color: var(--ink);
}
.section-split h2 em {
  font-family: var(--font-accent);
  font-variation-settings: var(--opsz-display);
  font-style: italic;
  font-weight: 400;
  color: var(--pc, var(--orange));
}
.section-split p {
  font-size: var(--lead);
  line-height: 1.65;
  color: var(--ink-soft);
  margin: 0 0 20px;
}
@media (max-width: 820px) {
  .section-split { grid-template-columns: 1fr; }
}

/* Pain list — numero grande + testo */
.pain-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 24px;
}
.pain-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 20px;
  align-items: baseline;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(23,19,12,0.08);
}
.pain-item:last-child { border-bottom: none; }
.pain-num {
  font-family: var(--font-accent);
  font-variation-settings: var(--opsz-display);
  font-style: italic;
  font-size: clamp(28px, 3vw, 40px);
  color: var(--pc, var(--orange));
  line-height: 1;
}
.pain-text {
  font-size: 17px;
  line-height: 1.5;
  color: var(--ink);
}

/* Steps grid — 4 card numerate */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.step-card {
  padding: clamp(24px, 2.4vw, 36px);
  background: #fff;
  border: 1px solid rgba(23,19,12,0.08);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.section.dark .step-card {
  background: rgba(255,255,255,0.03);
  border-color: rgba(255,255,255,0.1);
}
.step-card .step-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--pc, var(--orange));
  text-transform: uppercase;
}
.step-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--ink);
}
.section.dark .step-card h3 { color: #fff; }
.step-card p {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0;
}
.section.dark .step-card p { color: rgba(255,255,255,0.7); }
@media (max-width: 1024px) {
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .steps-grid { grid-template-columns: 1fr; }
}

/* Diff grid — 2x2 differenziatori */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.diff-card {
  padding: clamp(28px, 2.8vw, 40px);
  background: #fff;
  border: 1px solid rgba(23,19,12,0.08);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.section.dark .diff-card {
  background: rgba(255,255,255,0.03);
  border-color: rgba(255,255,255,0.1);
}
.section.beige .diff-card { background: #fff; }
.diff-card .icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: color-mix(in oklab, var(--pc, var(--orange)) 14%, transparent);
  color: var(--pc, var(--orange));
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.diff-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--ink);
}
.section.dark .diff-card h3 { color: #fff; }
.diff-card p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0;
}
.section.dark .diff-card p { color: rgba(255,255,255,0.7); }
@media (max-width: 720px) {
  .diff-grid { grid-template-columns: 1fr; }
}

/* Usecase feature callout */
.uc-feature {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(32px, 4vw, 64px);
  align-items: center;
  padding: clamp(32px, 4vw, 56px);
  background: #fff;
  border: 1px solid rgba(23,19,12,0.08);
  border-radius: 12px;
}
.section.dark .uc-feature { background: rgba(255,255,255,0.03); border-color: rgba(255,255,255,0.1); }
.uc-feature .sector {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pc, var(--orange));
  margin-bottom: 16px;
}
.uc-feature h3 {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 0 0 16px;
}
.uc-feature p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0 0 24px;
}
.uc-feature .link-inline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--pc, var(--orange));
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
}
.uc-feature .link-inline:hover { gap: 12px; }
.uc-feature .kpi-inline-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.uc-feature .kpi-inline {
  padding: 20px;
  border: 1px solid rgba(23,19,12,0.08);
  border-radius: 8px;
  background: var(--bg);
}
.uc-feature .kpi-inline .v {
  font-family: var(--font-accent);
  font-variation-settings: var(--opsz-display);
  font-style: italic;
  font-size: clamp(24px, 2.6vw, 34px);
  color: var(--pc, var(--orange));
  line-height: 1;
  margin-bottom: 6px;
}
.uc-feature .kpi-inline .l {
  font-size: 12.5px;
  line-height: 1.4;
  color: var(--ink-soft);
}
@media (max-width: 820px) {
  .uc-feature { grid-template-columns: 1fr; }
}

/* KPI grid (standalone section) */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid rgba(23,19,12,0.1);
  border-bottom: 1px solid rgba(23,19,12,0.1);
}
.section.dark .kpi-grid { border-color: rgba(255,255,255,0.1); }
.kpi-cell {
  padding: clamp(32px, 4vw, 56px) clamp(20px, 2vw, 32px);
  border-right: 1px solid rgba(23,19,12,0.1);
  text-align: center;
}
.section.dark .kpi-cell { border-color: rgba(255,255,255,0.1); }
.kpi-cell:last-child { border-right: none; }
.kpi-cell .num {
  font-family: var(--font-accent);
  font-variation-settings: var(--opsz-display);
  font-style: italic;
  font-size: clamp(40px, 5vw, 68px);
  line-height: 1;
  color: var(--pc, var(--orange));
  margin-bottom: 12px;
}
.kpi-cell .label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  line-height: 1.4;
}
.section.dark .kpi-cell .label { color: rgba(255,255,255,0.65); }
@media (max-width: 820px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .kpi-cell { border-right: none; border-bottom: 1px solid rgba(23,19,12,0.1); }
  .kpi-cell:nth-child(odd) { border-right: 1px solid rgba(23,19,12,0.1); }
  .kpi-cell:nth-last-child(-n+2) { border-bottom: none; }
  .section.dark .kpi-cell { border-color: rgba(255,255,255,0.1); }
}

/* Prose body for longform use case */
.prose {
  max-width: 68ch;
  margin: 0 auto;
}
.prose h2 {
  font-family: var(--font-display);
  font-size: var(--h3);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 48px 0 16px;
  color: var(--ink);
}
.prose h2 em {
  font-family: var(--font-accent);
  font-variation-settings: var(--opsz-sub);
  font-style: italic;
  font-weight: 400;
  color: var(--pc, var(--orange));
}
.prose h2 .eyebrow {
  display: block;
  margin-bottom: 12px;
  color: var(--pc, var(--orange));
  font-size: 12px;
  font-weight: 500;
}
.prose p {
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink);
  margin: 0 0 20px;
}
.prose strong { font-weight: 600; color: var(--ink); }
.prose em { color: var(--ink-soft); font-style: italic; }

/* Page CTA block */
.cta-block {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}
.cta-block .eyebrow { color: var(--pc, var(--orange)); margin-bottom: 18px; display: inline-block; }
.cta-block h2 {
  font-family: var(--font-display);
  font-size: var(--h2);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 20px;
}
.section.dark .cta-block h2 { color: #fff; }
.cta-block h2 em {
  font-family: var(--font-accent);
  font-variation-settings: var(--opsz-display);
  font-style: italic;
  font-weight: 400;
  color: var(--pc, var(--orange));
}
.cta-block p {
  font-size: var(--lead);
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0 0 32px;
}
.section.dark .cta-block p { color: rgba(255,255,255,0.75); }
.cta-block .note {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-top: 20px;
}
.section.dark .cta-block .note { color: rgba(255,255,255,0.55); }

/* Nav solid variant (internal pages) */
.nav-v3.solid {
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(23,19,12,0.06);
}
.nav-v3.solid .nav-logo,
.nav-v3.solid .nav-links a { color: var(--ink); }
.nav-v3.solid .nav-cta {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}
.nav-v3.solid .nav-cta:hover {
  background: var(--orange);
  border-color: var(--orange);
}

/* ============================================================
   FORM — Contact page
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: start;
}
@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; }
}
.contact-aside h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 22px;
  margin: 0 0 16px;
}
.contact-aside .channels {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin: 24px 0 32px;
}
.contact-aside .channel {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.contact-aside .channel .label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.contact-aside .channel a,
.contact-aside .channel span {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--ink);
}
.contact-aside .channel a:hover { color: var(--orange); }
.contact-aside .promise {
  padding: 20px 24px;
  background: var(--bg-warm);
  border-left: 3px solid var(--orange);
  font-family: var(--font-accent);
  font-style: italic;
  font-size: 17px;
  line-height: 1.5;
  color: var(--ink);
}

.contact-form {
  display: grid;
  gap: 18px;
  padding: clamp(24px, 3vw, 40px);
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: 4px;
}
.contact-form .row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
@media (max-width: 640px) {
  .contact-form .row-2 { grid-template-columns: 1fr; }
}
.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.contact-form label.req > span:first-child::after { content: " *"; color: var(--orange); }
.contact-form input,
.contact-form select,
.contact-form textarea {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--hairline);
  border-radius: 3px;
  padding: 12px 14px;
  transition: border-color 160ms var(--ease), background 160ms var(--ease);
  letter-spacing: 0;
  text-transform: none;
}
.contact-form textarea {
  resize: vertical;
  min-height: 140px;
  line-height: 1.5;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--ink);
  background: #fff;
}
.contact-form .hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}
.contact-form .consent {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--text);
  letter-spacing: 0;
  text-transform: none;
  line-height: 1.5;
}
.contact-form .consent input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  flex: 0 0 auto;
  padding: 0;
  accent-color: var(--orange);
}
.contact-form .consent a { color: var(--ink); text-decoration: underline; }
.contact-form .submit-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 4px;
}
.contact-form .hint {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.contact-form button[type="submit"] {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 15px;
  background: var(--ink);
  color: #fff;
  padding: 14px 28px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 200ms var(--ease), transform 200ms var(--ease);
}
.contact-form button[type="submit"]:hover {
  background: var(--orange);
  transform: translateX(2px);
}

.form-banner {
  padding: 18px 22px;
  border-radius: 4px;
  font-family: var(--font-display);
  font-size: 15px;
  line-height: 1.5;
  margin-bottom: 24px;
}
.form-banner.ok {
  background: rgba(0, 168, 98, 0.08);
  border-left: 3px solid var(--nexus);
  color: var(--ink);
}
.form-banner.err {
  background: rgba(220, 20, 60, 0.08);
  border-left: 3px solid var(--intrusio);
  color: var(--ink);
}

.compliance-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.compliance-list li {
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  padding: 14px 18px;
  background: var(--cream-dark);
  border-left: 2px solid var(--orange);
}

/* ============================================
   BLOG — index + post
   ============================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(32px, 4vw, 56px);
  margin-top: clamp(40px, 5vw, 72px);
}
@media (max-width: 900px) { .blog-grid { grid-template-columns: 1fr; gap: 48px; } }

.blog-card {
  grid-column: span 4;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: transform 300ms var(--ease);
}
.blog-card.featured { grid-column: span 12; }
.blog-card.wide { grid-column: span 6; }
@media (max-width: 900px) {
  .blog-card, .blog-card.featured, .blog-card.wide { grid-column: 1 / -1; }
}
.blog-card:hover { transform: translateY(-4px); }
.blog-card:hover .blog-card-title { color: var(--orange); }
.blog-card:hover .blog-card-cover img { transform: scale(1.04); }

.blog-card-cover {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: 8px;
  background: var(--cream-dark);
  margin-bottom: 20px;
}
.blog-card.featured .blog-card-cover { aspect-ratio: 21 / 9; }
.blog-card-cover img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 600ms var(--ease);
}

.blog-card-meta {
  display: flex;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 12px;
}
.blog-card-meta .tag { color: var(--orange); }
.blog-card-meta .sep { opacity: 0.4; }

.blog-card-title {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.15;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin: 0 0 12px;
  color: var(--ink);
  transition: color 200ms var(--ease);
}
.blog-card.featured .blog-card-title {
  font-size: clamp(32px, 4vw, 52px);
}
.blog-card-title em {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
}

.blog-card-excerpt {
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.55;
  color: var(--muted);
  margin: 0 0 16px;
}
.blog-card.featured .blog-card-excerpt {
  font-size: 18px;
  max-width: 64ch;
}

.blog-card-readmore {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
}
.blog-card-readmore .arrow {
  transition: transform 200ms var(--ease);
}
.blog-card:hover .blog-card-readmore .arrow {
  transform: translateX(4px);
}

/* Post article */
.post-article {
  padding: clamp(60px, 8vw, 100px) 0 clamp(80px, 10vw, 120px);
}
.post-cover {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto clamp(48px, 6vw, 80px);
  aspect-ratio: 21 / 9;
  overflow: hidden;
  border-radius: 4px;
  background: var(--cream-dark);
}
.post-cover img { width: 100%; height: 100%; object-fit: cover; }

.post-body {
  max-width: 720px;
  margin: 0 auto;
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.75;
  color: var(--ink);
}
.post-body > *:first-child { margin-top: 0; }
.post-body p { margin: 0 0 1.4em; }
.post-body p:first-of-type::first-letter {
  font-size: 4.2em;
  float: left;
  line-height: 0.9;
  padding: 4px 10px 0 0;
  font-weight: 500;
  color: var(--orange);
}
.post-body h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.2;
  margin: 2.2em 0 0.8em;
  color: var(--ink);
}
.post-body h2 em {
  font-style: italic;
  font-weight: 400;
}
.post-body h3 {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--orange);
  margin: 2em 0 0.6em;
}
.post-body ul, .post-body ol {
  margin: 0 0 1.4em;
  padding-left: 1.2em;
}
.post-body li {
  margin-bottom: 0.5em;
}
.post-body blockquote {
  margin: 2em 0;
  padding: 0 0 0 24px;
  border-left: 3px solid var(--orange);
  font-style: italic;
  font-size: 22px;
  line-height: 1.5;
  color: var(--ink);
}
.post-body a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color 200ms var(--ease);
}
.post-body a:hover { color: var(--orange); }
.post-body code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--cream-dark);
  padding: 2px 6px;
  border-radius: 3px;
}
.post-body pre {
  margin: 1.6em 0;
  padding: 20px 24px;
  background: var(--ink);
  color: var(--cream);
  border-radius: 4px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
}
.post-body pre code { background: transparent; padding: 0; color: inherit; }
.post-body hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 2.4em 0;
}
.post-body .callout {
  margin: 2em 0;
  padding: 24px 28px;
  background: var(--cream-dark);
  border-left: 3px solid var(--ink);
  font-size: 17px;
  line-height: 1.6;
}
.post-body .callout strong {
  font-family: var(--font-body);
  font-weight: 600;
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.post-footer {
  max-width: 720px;
  margin: clamp(60px, 8vw, 100px) auto 0;
  padding-top: 40px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.post-footer .author {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--muted);
  font-size: 16px;
}
.post-footer .back {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--ink);
  text-decoration: none;
  display: inline-flex;
  gap: 8px;
  align-items: center;
}
.post-footer .back:hover { color: var(--orange); }

/* Related posts */
.related-posts {
  background: var(--cream-dark);
  padding: clamp(60px, 8vw, 100px) 0;
}
.related-posts .eyebrow {
  color: var(--orange);
  margin-bottom: 16px;
  display: inline-block;
}
.related-posts h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 500;
  letter-spacing: -0.015em;
  margin: 0 0 clamp(40px, 5vw, 60px);
  max-width: 20ch;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
@media (max-width: 900px) { .related-grid { grid-template-columns: 1fr; } }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .hero-bg .hero-video { display: none; }
  .hero-bg { background: linear-gradient(135deg, var(--ink) 0%, #2a1a0c 100%); }
  .scroll-indicator .line { animation: none; }
}

/* ============================================================
   INFRASTRUTTURA — HP twin pillar AI + private cloud
   ============================================================ */
.infra-twin {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--hairline);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  margin: 48px 0 64px;
}
.infra-col {
  background: var(--bg);
  padding: 44px clamp(24px, 3vw, 48px);
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.infra-col .tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
  font-weight: 500;
}
.infra-col h3 {
  font-family: var(--font-display);
  font-size: var(--h3);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 0;
}
.infra-col h3 em {
  font-family: var(--font-accent);
  font-variation-settings: var(--opsz-sub);
  font-style: italic;
  font-weight: 400;
  color: var(--orange);
}
.infra-col p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  margin: 0;
  max-width: 52ch;
}
.infra-col ul {
  list-style: none;
  padding: 0;
  margin: 4px 0 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.infra-col ul li {
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
  padding-left: 18px;
  position: relative;
}
.infra-col ul li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--orange);
  font-family: var(--font-mono);
}
.infra-col .stack-row {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  padding-top: 10px;
  border-top: 1px solid var(--hairline);
  letter-spacing: 0.04em;
}
.infra-col .stack-row strong { color: var(--ink); font-weight: 500; }
@media (max-width: 900px) {
  .infra-twin { grid-template-columns: 1fr; gap: 1px; }
}
.infra-cta-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.infra-cta-row .claim {
  font-family: var(--font-accent);
  font-variation-settings: var(--opsz-sub);
  font-style: italic;
  font-size: clamp(18px, 1.8vw, 22px);
  color: var(--ink);
  max-width: 640px;
  line-height: 1.4;
}
.infra-cta-row .claim strong {
  font-style: normal;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--orange);
}