:root {
  --fondo: #070b10;
  --canale: #ff5a76;
  --superficie: #0c1219;
  --testo: #d9e6ee;
  --tenue: #93a7b4;
  --accento: #5ce1e6;
  --linea: rgb(92 225 230 / 0.22);
  --griglia: rgb(92 225 230 / 0.05);
  --mono: ui-monospace, "Cascadia Mono", "Segoe UI Mono", "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --larghezza: 72rem;
  --spazio: clamp(1rem, 4vw, 2.5rem);
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--fondo);
  color: var(--testo);
  font-family: var(--mono);
  font-size: 1rem;
  line-height: 1.65;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--griglia) 1px, transparent 1px),
    linear-gradient(90deg, var(--griglia) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 70%);
}

a { color: var(--accento); text-underline-offset: 0.2em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accento); outline-offset: 3px; }

.contenitore { width: 100%; max-width: var(--larghezza); margin: 0 auto; padding: 0 var(--spazio); position: relative; }

.salta {
  position: absolute; left: 1rem; top: -4rem; z-index: 10;
  background: var(--accento); color: var(--fondo); padding: 0.5rem 1rem; text-decoration: none;
}
.salta:focus { top: 1rem; }

.testata { border-bottom: 1px solid var(--linea); background: rgb(7 11 16 / 0.92); position: sticky; top: 0; z-index: 5; }
.testata-riga { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: 3.75rem; }
.marchio { color: var(--testo); text-decoration: none; font-weight: 700; letter-spacing: 0.02em; }
.marchio span { color: var(--accento); }
.testata nav { display: flex; gap: 1.25rem; flex-wrap: wrap; font-size: 0.875rem; }
.testata nav a { color: var(--tenue); text-decoration: none; padding: 0.75rem 0; }
.testata nav a:hover { color: var(--accento); }

.apertura { padding: clamp(2.5rem, 7vw, 5.5rem) 0 clamp(2rem, 5vw, 4rem); }
.apertura-griglia { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: clamp(1.5rem, 5vw, 4rem); align-items: start; }
.comando { color: var(--accento); margin: 0 0 1rem; font-size: 0.9rem; }
h1 {
  font-size: clamp(1.75rem, 3.6vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 1.25rem;
  text-wrap: balance;
}
.definizione { font-size: clamp(1rem, 1.6vw, 1.125rem); margin: 0 0 1.25rem; }
.definizione strong, .percorso strong { color: #f2f8fb; font-weight: 700; }
.aggiornato { color: var(--tenue); font-size: 0.875rem; margin: 0; }
.elenchi-apertura { margin: 1.25rem 0 0; font-size: 0.9rem; color: var(--tenue); }
.elenchi-apertura a { margin-left: 0.75rem; font-weight: 600; }
.macchine { margin: 1rem 0 0; padding: 0.75rem 1rem; border: 1px solid var(--linea); border-left: 2px solid var(--accento); background: var(--superficie); font-size: 0.9rem; color: var(--tenue); }
.macchine a { margin-left: 0.75rem; font-weight: 600; }

.apertura { position: relative; overflow: hidden; isolation: isolate; }
.apertura::after {
  content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background: repeating-linear-gradient(0deg, rgb(217 230 238 / 0.03) 0 1px, transparent 1px 3px);
}
.apertura::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 140px; z-index: 2; pointer-events: none;
  background: linear-gradient(180deg, transparent, rgb(92 225 230 / 0.05) 50%, transparent);
  transform: translateY(-140px);
}
.glitch { position: relative; display: inline-block; }
.glitch::before, .glitch::after {
  content: attr(data-testo) / ""; position: absolute; inset: 0; pointer-events: none; opacity: 0;
}
.glitch::before { color: var(--accento); }
.glitch::after { color: var(--canale); }

.ritratto { margin: 0; position: relative; width: clamp(8.5rem, 13vw, 11.5rem); }
.ritratto picture { display: block; }
.ritratto img { filter: grayscale(0.55) contrast(1.05); }
.disturbo {
  position: absolute; inset: 0; z-index: 3; pointer-events: none; opacity: 0;
  background: linear-gradient(90deg, rgb(92 225 230 / 0.16), rgb(255 90 118 / 0.12) 55%, rgb(92 225 230 / 0.1));
  mix-blend-mode: screen;
}
.ritratto::after {
  content: ""; position: absolute; inset: 1px; z-index: 3; pointer-events: none;
  background: repeating-linear-gradient(0deg, rgb(7 11 16 / 0.22) 0 1px, transparent 1px 3px);
}
.strato {
  position: absolute; inset: 1px; z-index: 2; pointer-events: none; opacity: 0;
  background: url("../img/veronica-vecchioni-ritratto-2026-480.webp") center / cover no-repeat;
  mix-blend-mode: screen;
}
.strato-a { filter: grayscale(1) sepia(1) hue-rotate(140deg) saturate(5) brightness(0.8); }
.strato-b { filter: grayscale(1) sepia(1) hue-rotate(-40deg) saturate(5) brightness(0.7); }
.ritratto::before {
  content: ""; position: absolute; inset: 0.75rem -0.75rem -0.75rem 0.75rem;
  border: 1px solid var(--linea); pointer-events: none;
}
.ritratto img { display: block; width: 100%; height: auto; border: 1px solid var(--accento); position: relative; }

.blocco { padding: clamp(2.5rem, 6vw, 4.5rem) 0; border-top: 1px solid var(--linea); }
h2 { font-size: clamp(1.3rem, 2.4vw, 1.75rem); line-height: 1.25; margin: 0 0 1.5rem; }
h2::before { content: "> "; color: var(--accento); }
h3 { font-size: 1.05rem; line-height: 1.35; margin: 0 0 0.6rem; color: var(--accento); }
p { margin: 0 0 1rem; }

.schede { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
.gruppo { background: var(--superficie); border: 1px solid var(--linea); padding: 1.25rem 1.5rem; }
.gruppo dl, .recapiti { margin: 0; display: grid; gap: 0.9rem; }
.gruppo dl > div, .recapiti > div { display: grid; grid-template-columns: 9.5rem minmax(0, 1fr); gap: 1rem; }
dt { color: var(--tenue); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; padding-top: 0.15rem; }
dd { margin: 0; }

.intro { color: var(--tenue); }
.materie { display: grid; gap: 1rem; margin-top: 1.5rem; }
.materia { border-left: 2px solid var(--accento); padding: 0.25rem 0 0.25rem 1.25rem; }
.materia h3::before { content: "$ "; color: var(--tenue); }
.materia p { margin: 0; }

.citazione { margin: 2rem 0; padding: 1.25rem 1.5rem; border: 1px solid var(--linea); border-left: 2px solid var(--accento); background: var(--superficie); }
.citazione blockquote { margin: 0 0 0.75rem; font-size: 1.1rem; }
.citazione blockquote p { margin: 0; }
.citazione figcaption { color: var(--tenue); font-size: 0.875rem; }
.percorso h3 { margin-top: 2rem; }
.media { margin: 0; padding-left: 1.25rem; display: grid; gap: 0.4rem; }
.media time { color: var(--tenue); font-size: 0.85rem; }
.avvertenza { margin-top: 2rem; color: var(--tenue); font-size: 0.875rem; border-top: 1px solid var(--linea); padding-top: 1rem; }
.riassunti { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
.riassunto { background: var(--superficie); border: 1px solid var(--linea); padding: 1.25rem 1.5rem; }
.riassunto p { margin: 0; }
.riassunto .nota { margin-top: 0.75rem; color: var(--tenue); font-size: 0.85rem; }
.contatti h3 + .profili { margin-bottom: 1.5rem; }

.faq { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.75rem 2.5rem; }
.domanda p { margin: 0; }

.contatti { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 2.5rem; }
.profili { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.5rem; }
.profili a::before { content: "-> "; color: var(--tenue); }

.fonti { margin: 0; padding-left: 1.5rem; display: grid; gap: 0.4rem; color: var(--tenue); font-size: 0.9rem; }

.uscita { padding: clamp(2.5rem, 6vw, 4.5rem) 0; border-top: 1px solid var(--accento); background: var(--superficie); }
.tasti { display: flex; flex-wrap: wrap; gap: 1rem; }
.tasto {
  display: inline-block; min-height: 3rem; padding: 0.75rem 1.5rem;
  border: 1px solid var(--accento); color: var(--accento); text-decoration: none; font-weight: 600;
  transition: background-color 0.2s ease, color 0.2s ease;
}
.tasto::before { content: "[ "; }
.tasto::after { content: " ]"; }
.tasto:hover { background: var(--accento); color: var(--fondo); }
.tasto:active { transform: translateY(1px); }

.piede { border-top: 1px solid var(--linea); padding: 2rem 0 3rem; color: var(--tenue); font-size: 0.85rem; }
.piede a { margin-right: 1rem; }

@media (prefers-reduced-motion: no-preference) {
  .apertura::before { animation: scansione 9s linear infinite; }
  .glitch::before { animation: glitch-a 4.5s steps(1) infinite; }
  .glitch::after { animation: glitch-b 4.5s steps(1) infinite; }
  .strato-a { animation: strato-a 4.5s steps(1) infinite; }
  .strato-b { animation: strato-b 4.5s steps(1) infinite; }
  .disturbo { animation: disturbo 4.5s steps(1) infinite; }
}
@keyframes scansione { to { transform: translateY(calc(100vh + 140px)); } }
@keyframes glitch-a {
  0%, 85%, 100% { opacity: 0; transform: none; clip-path: inset(0 0 100% 0); }
  86% { opacity: 0.95; transform: translateX(-6px); clip-path: inset(6% 0 70% 0); }
  87.5% { opacity: 0.95; transform: translateX(4px); clip-path: inset(40% 0 34% 0); }
  89% { opacity: 0.95; transform: translateX(-5px); clip-path: inset(68% 0 8% 0); }
  90.5% { opacity: 0.95; transform: translateX(3px); clip-path: inset(22% 0 58% 0); }
  92% { opacity: 0; }
}
@keyframes glitch-b {
  0%, 85%, 100% { opacity: 0; transform: none; clip-path: inset(0 0 100% 0); }
  86% { opacity: 0.9; transform: translateX(6px); clip-path: inset(28% 0 50% 0); }
  87.5% { opacity: 0.9; transform: translateX(-4px); clip-path: inset(60% 0 16% 0); }
  89% { opacity: 0.9; transform: translateX(5px); clip-path: inset(10% 0 78% 0); }
  90.5% { opacity: 0.9; transform: translateX(-3px); clip-path: inset(48% 0 30% 0); }
  92% { opacity: 0; }
}
@keyframes strato-a {
  0%, 85%, 100% { opacity: 0; transform: none; clip-path: inset(0 0 100% 0); }
  86% { opacity: 0.85; transform: translateX(-7px); clip-path: inset(14% 0 62% 0); }
  87.5% { opacity: 0.85; transform: translateX(5px); clip-path: inset(50% 0 28% 0); }
  89% { opacity: 0.85; transform: translateX(-4px); clip-path: inset(76% 0 6% 0); }
  90.5% { opacity: 0; }
}
@keyframes strato-b {
  0%, 85%, 100% { opacity: 0; transform: none; clip-path: inset(0 0 100% 0); }
  86% { opacity: 0.75; transform: translateX(7px); clip-path: inset(36% 0 44% 0); }
  87.5% { opacity: 0.75; transform: translateX(-5px); clip-path: inset(66% 0 12% 0); }
  89% { opacity: 0.75; transform: translateX(4px); clip-path: inset(4% 0 82% 0); }
  90.5% { opacity: 0; }
}
@keyframes disturbo {
  0%, 85%, 100% { opacity: 0; transform: none; clip-path: inset(0 0 100% 0); }
  86% { opacity: 1; transform: translateX(-10px); clip-path: inset(12% 0 74% 0); }
  87.5% { opacity: 1; transform: translateX(8px); clip-path: inset(44% 0 40% 0); }
  89% { opacity: 1; transform: translateX(-6px); clip-path: inset(70% 0 18% 0); }
  90.5% { opacity: 0; }
}

@media (max-width: 860px) {
  .apertura-griglia, .schede, .faq, .contatti, .riassunti { grid-template-columns: minmax(0, 1fr); }
  .ritratto { width: 8.5rem; }
  .testata nav { display: none; }
}

@media (max-width: 480px) {
  .gruppo dl > div, .recapiti > div { grid-template-columns: minmax(0, 1fr); gap: 0.15rem; }
}