:root {
    --bg:        #000000;
    --text:      #ffffff;
    --accent:    #FDB81E;
    --muted:     rgba(255, 255, 255, 0.55);
    --dim:       rgba(255, 255, 255, 0.32);
    --line:      rgba(255, 255, 255, 0.08);
    --accent-soft: rgba(253, 184, 30, 0.06);
    --font: 'SF Pro Text', sans-serif;
}

@font-face {
    font-family: 'SF Pro Text';
    src: url('../font/sf-pro-text_thin.woff2') format('woff2');
    font-weight: 100;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'SF Pro Text';
    src: url('../font/sf-pro-text_light.woff') format('woff');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'SF Pro Text';
    src: url('../font/sf-pro-text_regular.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'SF Pro Text';
    src: url('../font/sf-pro-text_semibold.woff2') format('woff2');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}

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

html { scroll-behavior: smooth; }

body {
    display: grid;
    place-items: center;
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 1rem;
    line-height: 1.85;
    letter-spacing: 0.015em;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding: 1.5rem 1.5rem 7.5rem;
    min-height: 100vh;
}

::selection { background: var(--accent); color: var(--bg); }

/* ───── HEADER ───── */
.site-header {
    text-align: center;
    padding: 0.5rem 1.5rem 0;
    letter-spacing: 0.16em;
    font-size: 1rem;
}

.site-header a {
    color: var(--text);
    text-decoration: none;
}

/* ───── CONTAINER ───── */
.wrap {
    max-width: 45rem;
    margin: 0 auto;
    padding: 4rem 1rem 5rem;
}

/* ───── DOCUMENT TITLE ───── */
.doc-title {
    text-align: center;
    margin-bottom: 0.5rem;
}

.doc-title h1 {
    font-size: 0.8125rem;
    font-weight: 400;
    letter-spacing: 0.4em;
    margin: 0;
    color: var(--text);
}

.doc-subtitle {
    text-align: center;
    color: var(--dim);
    font-size: 0.75rem;
    letter-spacing: 0.3em;
    margin-bottom: 4rem;
}

.doc-subtitle .v { color: var(--accent); }

/* ───── NAV ───── */
.doc-nav {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 6rem;
    font-size: 0.75rem;
    letter-spacing: 0.3em;
}

.doc-nav a {
    color: var(--muted);
    text-decoration: none;
    padding-bottom: 0.375rem;
    border-bottom: 1px solid transparent;
    transition: color 0.25s ease, border-color 0.25s ease;
}

.doc-nav a:hover,
.doc-nav a.active {
    color: var(--accent);
    border-color: var(--accent);
}

/* ───── META ───── */
.meta {
    text-align: center;
    color: var(--dim);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    margin: 3rem 0 0 0;
}
.meta .val { color: var(--accent); }

/* ───── PART HEADERS ───── */
.part-header {
    text-align: center;
    margin: 0 0 4rem;
    padding-top: 2rem;
}

.part-header .label {
    display: block;
    color: var(--dim);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    margin-bottom: 1rem;
}

.part-header h2 {
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    color: var(--accent);
    margin: 0;
}

.part-header .rule {
    width: 1.5rem;
    height: 1px;
    background: var(--accent);
    margin: 2rem auto 0;
}

/* ───── SECTION HEADERS ───── */
h3 {
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    color: var(--text);
    margin: 4rem 0 0.5rem;
    display: flex;
    align-items: baseline;
    gap: 1rem;
}

h3 .num {
    color: var(--accent);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    /* min-width: 1.75rem; */
}

/* ───── TEXT ───── */
p {
    margin: 0 0 1.125rem;
    color: var(--muted);
    text-align: left;
}

p:last-child { margin-bottom: 0; }

strong {
    color: var(--text);
    font-weight: 400;
}

em {
    font-style: normal;
    color: var(--accent);
}

a {
    color: var(--text);
    text-decoration: none;
    /* border-bottom: 1px dotted rgba(253, 184, 30, 0.4); */
    transition: opacity 0.2s ease;
}

a:hover { color: var(--accent); }

/* ───── LISTS ───── */
ul, ol {
    margin: 0 0 1.125rem;
    padding: 0 0 0 0.25rem;
    color: var(--muted);
    list-style: none;
    text-align: left;
}

ul li, ol li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.625rem;
}

ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    /* color: var(--accent); */
}

ol { counter-reset: item; }
ol li::before {
    counter-increment: item;
    content: counter(item, decimal-leading-zero);
    position: absolute;
    left: 0;
    color: var(--accent);
    font-size: 0.75rem;
    top: 0.25rem;
}
ol li { padding-left: 2rem; }

/* ───── TABLES ───── */
.table-wrap {
    overflow-x: auto;
    margin: 0 0 1.5rem;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.75rem;
}

th, td {
    text-align: left;
    padding: 0.875rem 0.75rem;
    vertical-align: top;
    color: var(--muted);
    border-bottom: 1px solid var(--line);
}

tr:last-child td { border-bottom: none; }

th {
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.75rem;
    font-weight: 400;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

td strong { color: var(--text); }

/* ───── CALLOUT / NOTE ───── */
.note {
    border-left: 1px solid var(--accent);
    padding: 1rem 0 1rem 1.5rem;
    margin: 2rem 0;
    font-size: 0.75rem;
    color: var(--muted);
    background: var(--accent-soft);
    padding-right: 1.25rem;
}

.note strong { color: var(--accent); letter-spacing: 0.15em; text-transform: uppercase; font-size: 0.75rem; display: block; margin-bottom: 0.5rem; }

/* ───── DIVIDER ───── */
.divider {
    text-align: center;
    margin: 7.5rem 0;
    color: var(--dim);
    letter-spacing: 0.5em;
    font-size: 0.75rem;
}

/* ───── BACK TO TOP ───── */
.to-top {
    display: block;
    text-align: center;
    margin: 5rem 0 0;
    color: var(--dim);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-decoration: none;
    border: none;
    transition: color 0.2s ease;
}

.to-top:hover { color: var(--accent); }

/* ───── FOOTER ───── */
footer {
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
    text-align: center;
    padding: 1.25rem 1.5rem 1.5rem;
    color: var(--dim);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    background: var(--bg);
    z-index: 10;
}

footer .sep { color: var(--dim); padding: 0 0.5rem; }

.footer-nav {
    display: flex;
    gap: 16px;
    margin-bottom: 0.625rem;
    font-size: 0.75rem;
    letter-spacing: 0.25em;
}

.footer-nav a {
    color: var(--muted);
    text-decoration: none;
    padding-bottom: 0.25rem;
    border-bottom: 1px solid transparent;
    transition: color 0.25s ease, border-color 0.25s ease;
}

.footer-nav a:hover,
.footer-nav a.active {
    color: var(--accent);
    border-color: var(--accent);
}

/* ───── LANGUAGE SWITCH (fixed, top right) ───── */
.lang-switch {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 20;
    appearance: none;
    -webkit-appearance: none;
    background: var(--bg) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='8' height='5' viewBox='0 0 8 5'><path d='M0 0l4 5 4-5z' fill='%23FDB81E'/></svg>") no-repeat right 12px center;
    color: var(--muted);
    border: 1px solid var(--line);
    border-radius: 0;
    padding: 0.5rem 1.875rem 0.5rem 0.75rem;
    font-family: var(--font);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    cursor: pointer;
    transition: color 0.25s ease, border-color 0.25s ease;
}

.lang-switch:hover,
.lang-switch:focus {
    color: var(--accent);
    border-color: var(--accent);
    outline: none;
}

.lang-switch option {
    background: var(--bg);
    color: var(--text);
    text-transform: none;
    letter-spacing: normal;
}

/* ───── LEGAL PAGE EXTRAS ───── */
.app-line {
    text-align: center;
    color: var(--dim);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    margin-bottom: 3rem;
}

.prevail {
    text-align: center;
    color: var(--dim);
    font-size: 0.75rem;
    margin: -1.5rem 0 3rem;
}

/* ───── HOME (coming soon) ───── */
h1.home {
    margin: 0;
    color: var(--text);
    font-weight: 100;
    font-size: var(--t);
    letter-spacing: -0.03em;
    line-height: 1;
    white-space: nowrap;
}

h1.home .text,
h1.home .cursor {
    display: inline-block;
    vertical-align: bottom;
}

h1.home .text {
    animation: colorize 0.5s ease 2.8s forwards;
}

h1.home .cursor {
    width: 1ch;
    overflow: hidden;
    animation:
        blink 1s step-end infinite,
        fadeOut 0.4s ease 2.8s forwards;
}

@keyframes blink {
    50% { opacity: 0; }
}
@keyframes colorize {
    to { color: var(--accent); }
}
@keyframes fadeOut {
    to { opacity: 0; width: 0; }
}


/* Home e /download: titolo, claim e store in colonna centrata */
body.landing { display: block; padding: 0; }

.hero {
    --t: clamp(2.5rem, 15vw, 6.5rem);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    min-height: 100svh;
    padding: 2rem 1.25rem;
    text-align: center;
}

.claim {
    max-width: 100%;
    margin: calc(var(--t) * 0.45) 0 0;
    color: var(--text);
    font-size: calc(var(--t) * 0.2);
    font-weight: 300;
    letter-spacing: 0.02em;
    line-height: 1.4;
    text-align: center;
    text-transform: uppercase;
}

/* Cursore "_" che segue la scrittura del claim, come quello del titolo */
.claim .cur { position: relative; }

.claim .cur::after {
    content: "_";
    position: absolute;
    left: 100%;
    top: 0;
    animation: blink 1s step-end infinite;
}

.claim .cur.done::after { animation: fadeOut 0.4s ease 0.6s forwards; }

/* Se non sta su una riga, va a capo tra una frase e l'altra (dopo il punto) */
.claim .sentence { display: inline-block; }

.hero .badges {
    margin-top: clamp(2.5rem, 8vh, 6.5rem);
    gap: 1.25rem;
}

.hero .badge-img { height: 3.25rem; }

/* ───── RESPONSIVE ───── */
@media (max-width: 640px) {
    body { font-size: 1rem; line-height: 1.7; }
    .site-header { padding-top: 0.5rem; font-size: 0.875rem; letter-spacing: 0.2em; }
    .wrap { padding: 3rem 0.5rem 1.5rem; }
    footer { font-size: 0.75rem; padding: 1rem 1rem 1.25rem; }
    .footer-nav { font-size: 0.75rem; letter-spacing: 0.16em; }
    .footer-nav .sep { padding: 0 0.375rem; }
    .lang-switch { top: 1rem; right: 1rem; padding: 0.375rem 1.625rem 0.375rem 0.625rem; font-size: 0.75rem; }
    .app-line { font-size: 0.75rem; letter-spacing: 0.1em; margin-bottom: 2.25rem; }
    .doc-title h1 { font-size: 0.75rem; letter-spacing: 0.2em; }
    .doc-subtitle { font-size: 0.75rem; letter-spacing: 0.2em; margin-bottom: 2.5rem; }
    .doc-nav { gap: 1.75rem; margin-bottom: 3.5rem; font-size: 0.75rem; letter-spacing: 0.2em; }
    .meta { margin-bottom: 0.5rem; }
    .part-header h2 { font-size: 0.8125rem; letter-spacing: 0.18em; }
    h3 { font-size: 0.8125rem; letter-spacing: 0.16em; margin: 3rem 0 0.5rem; gap: 0.75rem; }
    h3 .num { font-size: 0.75rem; min-width: 1.5rem; }
    th, td { padding: 0.625rem 0.5rem; }
    th { font-size: 0.75rem; }
    table { font-size: 0.8125rem; }
    .divider { margin: 5rem 0; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { transition: none !important; animation: none !important; }
    h1.home .text { color: var(--accent); }
    h1.home .cursor { display: none; }
}

/* ───── JOIN / CREATOR (stesso hero di home e /download) ───── */
.badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.badge {
    display: inline-flex;
    transition: opacity 0.2s ease;
}

.badge[hidden] { display: none; }

.badge:hover { opacity: 0.85; }

.badge-img {
    display: block;
    width: auto;
    height: 3rem;
}

.hidden { display: none !important; }

/* Nome del creator nel claim */
.claim .name { color: var(--accent); }

/* Link di condivisione: bottone con contorno e "ombra" a linea sotto */
.hero .open {
    position: relative;
    width: min(100%, 20.875rem);
    min-height: 3.25rem;
    margin: calc(var(--t) * 0.45) 0 0.25rem;
    padding: 0.5rem 1.25rem;
    border: 1.5px solid var(--text);
    border-radius: 3px;
    background: var(--bg);
    color: var(--text);
    font: inherit;
    font-size: 1.0625rem;
    font-weight: 300;
    line-height: 1.3;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    transition: color 0.2s ease, border-color 0.2s ease, transform 0.1s ease;
}

.hero .open::after {
    content: "";
    position: absolute;
    inset: -1.5px;
    border: 1.5px solid var(--text);
    border-radius: 3px;
    transform: translateY(0.25rem);
    z-index: -1;
    transition: border-color 0.2s ease, transform 0.1s ease;
}

.hero .open:hover,
.hero .open:focus-visible {
    color: var(--accent);
    border-color: var(--accent);
    outline: none;
}

.hero .open:hover::after,
.hero .open:focus-visible::after { border-color: var(--accent); }

.hero .open:active { transform: translateY(0.25rem); }
.hero .open:active::after { transform: translateY(0); }

.hero .download-text {
    max-width: 24rem;
    margin: clamp(2rem, 6vh, 4rem) 0 0;
    color: var(--muted);
    font-size: 0.875rem;
    font-weight: 300;
    line-height: 1.55;
    letter-spacing: 0.08em;
    text-align: center;
    text-transform: uppercase;
}

.hero .download-text + .badges { margin-top: 1.5rem; }

@media (min-width: 768px) {
    .hero .download-text { max-width: none; }
}