:root {
  --bg: #f7f4ee;
  --paper: #fffdf8;
  --ink: #171717;
  --muted: #6c655c;
  --line: rgba(23, 23, 23, 0.16);
  --soft-line: rgba(23, 23, 23, 0.08);
  --accent: #171717;
  --shadow: 0 24px 80px rgba(23, 23, 23, 0.08);
  --radius: 28px;
  --radius-sm: 16px;
  --max: 1120px;
  --font: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 20% 0%, rgba(23, 23, 23, 0.04), transparent 34rem),
    linear-gradient(180deg, var(--bg), #ebe6dd 100%);
  color: var(--ink);
  font-family: var(--font);
  line-height: 1.45;
  min-height: 100vh;
}

body.serissimo {
  --bg: #f5f5f5;
  --paper: #ffffff;
  --muted: #555555;
  --line: rgba(0, 0, 0, 0.24);
}

body.serissimo .brand-mark,
body.serissimo .eyebrow,
body.serissimo .section-kicker {
  animation: none;
}

body.serissimo .strip p::after {
  content: " La situazione è sotto controllo. Probabilmente.";
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 20;
  background: var(--ink);
  color: var(--paper);
  padding: 0.7rem 1rem;
  border-radius: 999px;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 1rem;
}

.site-header,
.site-footer,
main {
  width: min(var(--max), calc(100% - 32px));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  letter-spacing: -0.03em;
}

.brand-mark {
  font-size: 0.85rem;
  animation: pulse 4s ease-in-out infinite;
}

.brand-name {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 700;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(0.8rem, 2vw, 1.4rem);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.nav a {
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: clamp(1rem, 4vw, 3rem);
  align-items: stretch;
  min-height: 68vh;
  padding: clamp(2rem, 7vw, 6rem) 0 3rem;
}

.hero-copy,
.serious-card,
.strip,
.section,
.newsletter {
  position: relative;
}

.eyebrow,
.section-kicker,
.card-label {
  margin: 0 0 1rem;
  font-family: var(--mono);
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 1.2rem;
  font-size: clamp(4rem, 13vw, 9.4rem);
  line-height: 0.86;
  letter-spacing: -0.08em;
}

.lead {
  max-width: 650px;
  color: var(--muted);
  font-size: clamp(1.15rem, 2.5vw, 1.55rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.85rem 1.15rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  text-decoration: none;
  transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button.primary {
  background: var(--ink);
  color: var(--paper);
}

.button.ghost {
  background: rgba(255, 255, 255, 0.28);
}

.button.small {
  min-height: 42px;
  padding: 0.65rem 0.95rem;
  font-size: 0.95rem;
}

.serious-card {
  align-self: center;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.2rem, 3vw, 2rem);
  box-shadow: var(--shadow);
}

.serious-card h2 {
  margin-bottom: 1rem;
  font-size: clamp(1.7rem, 4vw, 3rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.serious-card p:not(.card-label) {
  color: var(--muted);
  font-size: 1.03rem;
}

.meter {
  height: 10px;
  overflow: hidden;
  margin: 1.5rem 0 0.5rem;
  background: var(--soft-line);
  border-radius: 999px;
}

.meter span {
  display: block;
  height: 100%;
  background: var(--ink);
  border-radius: inherit;
  transition: width 0.35s ease;
}

.serious-card small {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.78rem;
}

.strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 1rem 0;
  margin-bottom: clamp(3rem, 7vw, 6rem);
}

.strip p {
  margin: 0;
  color: var(--muted);
  font-family: var(--mono);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
}

.section {
  padding: clamp(2.5rem, 7vw, 6rem) 0;
}

.manifesto-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.75fr);
  gap: clamp(1.5rem, 5vw, 4rem);
  align-items: start;
}

.manifesto h2,
.section-head h2,
.tools h2,
.newsletter h2 {
  margin-bottom: 0;
  font-size: clamp(2.4rem, 6vw, 5.8rem);
  line-height: 0.9;
  letter-spacing: -0.07em;
}

.manifesto-text {
  color: var(--muted);
  font-size: clamp(1.06rem, 2vw, 1.25rem);
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2rem;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: flex-end;
}

.filter {
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  color: var(--muted);
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.filter:hover,
.filter:focus-visible,
.filter.active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.archive-grid,
.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.archive-card,
.tool-card,
.newsletter {
  background: rgba(255, 253, 248, 0.72);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.archive-card {
  min-height: 280px;
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.18s ease, background 0.18s ease;
}

.archive-card:hover,
.archive-card:focus-within {
  transform: translateY(-4px);
  background: var(--paper);
}

.archive-card h3 {
  margin-bottom: 0.8rem;
  font-size: clamp(1.35rem, 2.4vw, 2rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.archive-card p {
  color: var(--muted);
}

.tag-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  margin-bottom: 1rem;
  font-family: var(--mono);
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.read-time {
  white-space: nowrap;
}

.fake-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1rem;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.fake-link::after {
  content: "→";
  transition: transform 0.18s ease;
}

.archive-card:hover .fake-link::after {
  transform: translateX(4px);
}

.tool-grid {
  margin-top: 2rem;
}

.tool-card {
  padding: 1.2rem;
}

.tool-card h3 {
  font-size: 1.65rem;
  line-height: 1;
  letter-spacing: -0.04em;
}

.tool-card p,
.tool-card blockquote,
.protocol-list {
  color: var(--muted);
}

.tool-card blockquote {
  min-height: 74px;
  margin: 1rem 0 0;
  padding: 1rem;
  border-left: 1px solid var(--ink);
  background: rgba(23, 23, 23, 0.035);
}

.range-label {
  display: block;
  margin-bottom: 0.8rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--ink);
}

.diagnosis {
  min-height: 58px;
  margin-top: 1rem;
  font-size: 1.2rem;
}

.protocol-list {
  padding-left: 1.25rem;
}

.protocol-list li + li {
  margin-top: 0.45rem;
}

.newsletter {
  margin: clamp(3rem, 8vw, 7rem) 0;
  padding: clamp(1.5rem, 4vw, 3rem);
  text-align: center;
}

.newsletter h2 {
  max-width: 720px;
  margin-inline: auto;
}

.newsletter-form {
  display: flex;
  gap: 0.7rem;
  justify-content: center;
  margin: 2rem auto 1rem;
  max-width: 580px;
}

.newsletter input {
  width: min(100%, 360px);
  min-height: 48px;
  padding: 0.8rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink);
}

.form-note {
  min-height: 1.5rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.82rem;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.8rem;
}

.site-footer p {
  margin: 0;
}

.plain-button {
  border: 0;
  border-bottom: 1px solid currentColor;
  background: transparent;
  color: inherit;
  padding: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.85; }
  50% { transform: scale(1.35); opacity: 1; }
}

@media (max-width: 880px) {
  .hero,
  .manifesto-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .section-head {
    align-items: start;
    flex-direction: column;
  }

  .filters {
    justify-content: flex-start;
  }

  .archive-grid,
  .tool-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 0.25rem;
  }

  .archive-grid,
  .tool-grid {
    grid-template-columns: 1fr;
  }

  .newsletter-form {
    flex-direction: column;
  }

  .newsletter input,
  .newsletter-form .button {
    width: 100%;
  }
}

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