/* ==========================================================================
   I-Web S.r.l.
   ========================================================================== */

@font-face {
    font-family: "Archivo";
    src: url("../fonts/archivo-latin-wdth-normal.woff2") format("woff2-variations"),
         url("../fonts/archivo-latin-wdth-normal.woff2") format("woff2");
    font-weight: 100 900;
    font-stretch: 62% 125%;
    font-display: swap;
}

@font-face {
    font-family: "Plex Mono";
    src: url("../fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2");
    font-weight: 400;
    font-display: swap;
}

@font-face {
    font-family: "Plex Mono";
    src: url("../fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2");
    font-weight: 500;
    font-display: swap;
}

:root {
    --paper: #f2f0e9;
    --ink: #0e0e0c;
    --yellow: #f8f400;
    --muted: #77756d;
    --line: rgba(14, 14, 12, 0.16);
    --line-inv: rgba(242, 240, 233, 0.18);

    --gutter: clamp(16px, 4vw, 56px);
    --bar-h: 76px;

    --sans: "Archivo", "Helvetica Neue", Arial, sans-serif;
    --mono: "Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

    --ease: cubic-bezier(0.7, 0, 0.2, 1);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--sans);
    font-size: clamp(16px, 1.05vw + 10px, 19px);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img,
svg {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
}

button,
input,
select,
textarea {
    font: inherit;
    color: inherit;
}

::selection {
    background: var(--yellow);
    color: var(--ink);
}

:focus-visible {
    outline: 3px solid var(--yellow);
    outline-offset: 3px;
    box-shadow: 0 0 0 6px var(--ink);
}

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

.skip {
    position: fixed;
    left: var(--gutter);
    top: -100px;
    z-index: 100;
    padding: 12px 16px;
    background: var(--yellow);
    color: var(--ink);
    font-weight: 700;
}

.skip:focus {
    top: 12px;
}

.mono {
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   Barra di avanzamento
   -------------------------------------------------------------------------- */

.progress {
    position: fixed;
    inset: 0 0 auto 0;
    height: 4px;
    z-index: 60;
    pointer-events: none;
}

.progress span {
    display: block;
    height: 100%;
    background: var(--yellow);
    transform-origin: 0 50%;
    transform: scaleX(0);
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */

.bar {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 50;
    height: var(--bar-h);
    padding: 0 var(--gutter);
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 16px;
    color: var(--ink);
    transition: color 0.35s var(--ease);
    pointer-events: none;
}

.bar > * {
    pointer-events: auto;
}

.bar {
    --bar-bg: var(--paper);
}

.bar[data-on="ink"] {
    --bar-bg: var(--ink);
    color: var(--paper);
}

.bar[data-on="yellow"] {
    --bar-bg: var(--yellow);
}

.bar__logo {
    justify-self: start;
    position: relative;
    display: block;
    padding: 6px 0;
}

.bar__logo img {
    width: 112px;
    height: auto;
    transition: opacity 0.35s var(--ease);
}

.bar__logo .bar__logo-light {
    position: absolute;
    left: 0;
    top: 6px;
    opacity: 0;
}

/* su fondo scuro: "i-web" giallo, payoff chiaro */
.bar[data-on="ink"] .bar__logo-ink,
body.menu-open .bar__logo-ink {
    opacity: 0;
}

.bar[data-on="ink"] .bar__logo-light,
body.menu-open .bar__logo-light {
    opacity: 1;
}

.bar__where {
    margin: 0;
    display: flex;
    align-items: baseline;
    gap: 10px;
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    overflow: hidden;
    padding: 4px 10px 4px 4px;
    background: var(--bar-bg);
    transition: background 0.35s var(--ease);
}

.bar__where .bar__num {
    padding: 2px 6px;
    background: var(--ink);
    color: var(--yellow);
}

.bar[data-on="ink"] .bar__where .bar__num {
    background: var(--yellow);
    color: var(--ink);
}

.bar__label {
    display: inline-block;
    transition: transform 0.4s var(--ease-out), opacity 0.4s;
}

.bar__label.is-swapping {
    transform: translateY(-100%);
    opacity: 0;
}

.bar__actions {
    justify-self: end;
    display: flex;
    align-items: center;
    gap: 8px;
}

.bar__cta,
.bar__menu {
    height: 44px;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 0 16px;
    border: 1.5px solid currentColor;
    background: var(--bar-bg);
    font-family: var(--mono);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.25s, color 0.25s, border-color 0.25s;
}

.bar__cta:hover,
.bar__menu:hover {
    background: var(--ink);
    border-color: var(--ink);
    color: var(--yellow);
}

.bar[data-on="ink"] .bar__cta:hover,
.bar[data-on="ink"] .bar__menu:hover {
    background: var(--yellow);
    border-color: var(--yellow);
    color: var(--ink);
}

.bar__menu-icon {
    display: grid;
    gap: 5px;
    width: 18px;
}

.bar__menu-icon i {
    display: block;
    height: 1.5px;
    background: currentColor;
    transition: transform 0.4s var(--ease);
}

.bar__menu-icon i:last-child {
    width: 60%;
    justify-self: end;
}

/* stato menu aperto */
body.menu-open .bar {
    color: var(--paper);
}

body.menu-open .bar__menu {
    background: var(--yellow);
    border-color: var(--yellow);
    color: var(--ink);
}

body.menu-open .bar__menu-icon i:first-child {
    transform: translateY(3.25px) rotate(45deg);
}

body.menu-open .bar__menu-icon i:last-child {
    width: 100%;
    transform: translateY(-3.25px) rotate(-45deg);
}

body.menu-open .bar__where,
body.menu-open .bar__cta {
    visibility: hidden;
}

/* --------------------------------------------------------------------------
   Indice (menu a schermo intero)
   -------------------------------------------------------------------------- */

.index {
    position: fixed;
    inset: 0;
    z-index: 40;
    background: var(--ink);
    color: var(--paper);
    padding: calc(var(--bar-h) + 4vh) var(--gutter) var(--gutter);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    clip-path: inset(0 0 100% 0);
    transition: clip-path 0.7s var(--ease);
}

.index[hidden] {
    display: flex;
    visibility: hidden;
}

.index.is-open {
    clip-path: inset(0 0 0 0);
}

.index__list {
    list-style: none;
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--line-inv);
}

.index__list li {
    border-bottom: 1px solid var(--line-inv);
    overflow: hidden;
}

.index__list a {
    display: grid;
    grid-template-columns: 4ch 1fr auto;
    align-items: baseline;
    gap: 2vw;
    padding: 1.2vh 0;
    text-decoration: none;
    position: relative;
}

.index__n {
    font-family: var(--mono);
    font-size: 0.8rem;
    color: var(--muted);
}

.index__t {
    font-size: clamp(2.6rem, 9vh, 7.5rem);
    font-weight: 900;
    font-stretch: 62%;
    line-height: 0.95;
    text-transform: uppercase;
    transition: font-stretch 0.5s var(--ease-out), color 0.3s;
}

.index__d {
    font-family: var(--mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--muted);
    opacity: 0;
    transform: translateX(-12px);
    transition: opacity 0.3s, transform 0.4s var(--ease-out);
}

.index__list a:hover .index__t,
.index__list a:focus-visible .index__t {
    font-stretch: 112%;
    color: var(--yellow);
}

.index__list a:hover .index__d,
.index__list a:focus-visible .index__d {
    opacity: 1;
    transform: none;
}

.index.is-open .index__list a {
    animation: rise 0.8s var(--ease-out) both;
}

.index.is-open li:nth-child(2) a { animation-delay: 0.05s; }
.index.is-open li:nth-child(3) a { animation-delay: 0.1s; }
.index.is-open li:nth-child(4) a { animation-delay: 0.15s; }
.index.is-open li:nth-child(5) a { animation-delay: 0.2s; }

.index__foot {
    margin: 2vh 0 0;
    font-family: var(--mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--muted);
}

@keyframes rise {
    from { transform: translateY(105%); }
    to { transform: none; }
}

/* --------------------------------------------------------------------------
   Elementi comuni
   -------------------------------------------------------------------------- */

section {
    position: relative;
}

.kicker {
    margin: 0 0 3rem;
    display: flex;
    align-items: center;
    gap: 12px;
}

.kicker span {
    padding: 2px 6px;
    background: var(--ink);
    color: var(--yellow);
}

[data-theme="ink"] .kicker span {
    background: var(--yellow);
    color: var(--ink);
}

.display {
    margin: 0;
    font-size: clamp(3rem, 8.5vw, 9.5rem);
    font-weight: 900;
    font-stretch: 70%;
    line-height: 0.86;
    letter-spacing: -0.01em;
    text-transform: uppercase;
}

.section-head {
    margin-bottom: clamp(3rem, 8vw, 7rem);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 20px;
    padding: 20px 26px;
    border: 0;
    font-family: var(--sans);
    font-size: 1rem;
    font-weight: 700;
    font-stretch: 100%;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

.btn::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    transform: translateY(101%);
    transition: transform 0.45s var(--ease);
}

.btn:hover::before {
    transform: none;
}

.btn svg {
    width: 22px;
    height: 22px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    transition: transform 0.45s var(--ease);
}

.btn:hover svg {
    transform: translateX(6px);
}

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

.btn--ink::before {
    background: var(--yellow);
}

.btn--ink:hover {
    color: var(--ink);
}

.btn--yellow {
    background: var(--yellow);
    color: var(--ink);
}

.btn--yellow::before {
    background: var(--paper);
}

/* reveal allo scroll (solo con JS attivo) */
.js .reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}

.js .reveal.is-in {
    opacity: 1;
    transform: none;
}

/* --------------------------------------------------------------------------
   00 Hero
   -------------------------------------------------------------------------- */

.hero {
    min-height: 100svh;
    padding: calc(var(--bar-h) + 6vh) var(--gutter) 5vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 5vh;
}

.hero__meta {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    padding-bottom: 14px;
    border-bottom: 1.5px solid var(--ink);
}

.hero__title {
    --base: 100;
    --stretch: calc(var(--base) * 1%);
    margin: 0;
    font-size: min(10.5vw, 13rem);
    font-weight: 900;
    font-stretch: var(--stretch);
    line-height: 0.84;
    text-transform: uppercase;
}

.hero__title .line {
    display: block;
    letter-spacing: -0.02em;
    overflow: hidden;
    padding-bottom: 0.04em;
    white-space: nowrap;
}

.hero__title .line > span {
    display: inline-block;
    animation: rise 1.1s var(--ease-out) both;
}

.hero__title .line:nth-child(2) > span { animation-delay: 0.08s; }
.hero__title .line:nth-child(3) > span { animation-delay: 0.16s; }

.hero__title mark {
    background: linear-gradient(var(--yellow), var(--yellow)) no-repeat 0 88% / 0% 62%;
    color: inherit;
    padding: 0 0.04em;
    margin-left: -0.04em;
    animation: marker 0.9s 0.9s var(--ease) forwards;
}

@keyframes marker {
    to { background-size: 100% 62%; }
}

.hero__foot {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 32px;
    flex-wrap: wrap;
}

.hero__lead {
    margin: 0;
    max-width: 34ch;
    font-size: clamp(1.1rem, 1.4vw, 1.45rem);
    line-height: 1.35;
    font-weight: 500;
}

/* --------------------------------------------------------------------------
   Ticker
   -------------------------------------------------------------------------- */

.ticker {
    background: var(--ink);
    color: var(--yellow);
    overflow: hidden;
    border-block: 1.5px solid var(--ink);
}

.ticker__track {
    display: flex;
    width: max-content;
    animation: ticker 38s linear infinite;
}

.ticker span {
    display: inline-flex;
    align-items: center;
    padding: 18px 0;
    font-size: clamp(1.4rem, 3vw, 2.6rem);
    font-weight: 800;
    font-stretch: 75%;
    text-transform: uppercase;
    white-space: nowrap;
}

.ticker span::after {
    content: "";
    width: 0.32em;
    height: 0.32em;
    margin: 0 0.9em;
    background: var(--paper);
    transform: rotate(45deg);
}

@keyframes ticker {
    to { transform: translateX(-50%); }
}

/* --------------------------------------------------------------------------
   01 Manifesto
   -------------------------------------------------------------------------- */

.manifesto {
    background: var(--ink);
    color: var(--paper);
    padding: clamp(6rem, 14vw, 12rem) var(--gutter);
}

.manifesto__text {
    margin: 0;
    max-width: 22ch;
    font-size: clamp(2rem, 5.2vw, 5.6rem);
    font-weight: 700;
    font-stretch: 85%;
    line-height: 1.02;
    letter-spacing: -0.015em;
}

.manifesto__text strong {
    font-weight: 700;
    color: var(--yellow);
}

.js .manifesto__text .w {
    opacity: 0.16;
    transition: opacity 0.25s linear;
}

.js .manifesto__text .w.is-lit {
    opacity: 1;
}

.chain {
    margin-top: clamp(6rem, 12vw, 11rem);
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
    gap: 2rem 4vw;
    border-top: 1px solid var(--line-inv);
    padding-top: 2rem;
}

.chain__title {
    margin: 0;
    font-weight: 400;
    color: var(--muted);
}

.chain__body {
    display: flex;
    align-items: flex-end;
    gap: 2rem 3vw;
    flex-wrap: wrap;
}

.chain__list {
    --rail: 6px;
    position: relative;
    list-style: none;
    margin: 0;
    padding: 0 0 0 calc(var(--rail) + 0.45em);
    font-size: clamp(1.8rem, 4.4vw, 4.4rem);
    font-weight: 800;
    font-stretch: 70%;
    line-height: 1;
    text-transform: uppercase;
}

/* binario: grigio di fondo, giallo che si riempie */
.chain__list::before,
.chain__list::after {
    content: "";
    position: absolute;
    left: 0;
    top: 0.12em;
    bottom: 0.12em;
    width: var(--rail);
    background: var(--line-inv);
}

.chain__list::after {
    background: var(--yellow);
    transform: scaleY(0);
    transform-origin: 50% 0;
    transition: transform 1.6s var(--ease);
}

.chain__list li {
    padding: 0.08em 0;
    color: var(--muted);
    transition: color 0.4s;
}

.chain.is-run .chain__list::after {
    transform: none;
}

.chain.is-run .chain__list li {
    color: var(--paper);
}

.chain.is-run .chain__list li:nth-child(2) { transition-delay: 0.25s; }
.chain.is-run .chain__list li:nth-child(3) { transition-delay: 0.5s; }
.chain.is-run .chain__list li:nth-child(4) { transition-delay: 0.75s; }
.chain.is-run .chain__list li:nth-child(5) { transition-delay: 1s; }
.chain.is-run .chain__list li:nth-child(6) { transition-delay: 1.25s; }

.chain__tag {
    margin: 0 0 0.4rem;
    padding: 6px 10px;
    background: var(--yellow);
    color: var(--ink);
    opacity: 0;
    transform: translateX(-12px);
    transition: opacity 0.4s 1.6s, transform 0.5s 1.6s var(--ease-out);
}

.chain.is-run .chain__tag {
    opacity: 1;
    transform: none;
}

.chain__note {
    grid-column: 2;
    margin: 1rem 0 0;
    max-width: 48ch;
    color: rgba(242, 240, 233, 0.75);
}

.proof {
    margin-top: clamp(5rem, 10vw, 9rem);
    border-top: 1px solid var(--line-inv);
    padding-top: 2rem;
}

.proof__title {
    margin: 0 0 2.5rem;
    font-weight: 400;
    color: var(--muted);
}

.proof__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-left: 1px solid var(--line-inv);
}

.proof__list li {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 0 1.5vw 0.5rem;
    border-right: 1px solid var(--line-inv);
    color: rgba(242, 240, 233, 0.75);
    font-size: 0.95rem;
}

.proof__list span {
    color: var(--yellow);
}

.proof__list strong {
    color: var(--paper);
    font-size: clamp(1.4rem, 2.2vw, 2.1rem);
    font-weight: 800;
    font-stretch: 72%;
    line-height: 1;
    text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   02 Servizi
   -------------------------------------------------------------------------- */

.services {
    padding: clamp(6rem, 12vw, 11rem) var(--gutter);
}

.services__list {
    list-style: none;
    margin: 0;
    padding: 0;
    border-top: 1.5px solid var(--ink);
}

.service {
    position: relative;
    display: grid;
    grid-template-columns: 3rem minmax(0, 1.25fr) minmax(0, 1fr);
    grid-template-areas:
        "n t d"
        "n t g";
    gap: 0.5rem 4vw;
    padding: clamp(1.5rem, 3vw, 2.5rem) 0;
    border-bottom: 1.5px solid var(--ink);
    isolation: isolate;
}

.service::before {
    content: "";
    position: absolute;
    inset: 0 calc(var(--gutter) * -1);
    z-index: -1;
    background: var(--yellow);
    transform: scaleY(0);
    transform-origin: 50% 100%;
    transition: transform 0.5s var(--ease);
}

.service:hover::before {
    transform: none;
}

.service__n {
    grid-area: n;
    padding-top: 0.6em;
}

.service__t {
    grid-area: t;
    margin: 0;
    font-size: clamp(2.6rem, 7vw, 7.5rem);
    font-weight: 900;
    font-stretch: 68%;
    line-height: 0.88;
    text-transform: uppercase;
    transition: font-stretch 0.6s var(--ease-out);
}

.service:hover .service__t {
    font-stretch: 90%;
}

.service__d {
    grid-area: d;
    margin: 0.4em 0 0;
    max-width: 42ch;
}

.service__tags {
    grid-area: g;
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-self: end;
}

.service__tags li {
    padding: 4px 8px;
    border: 1px solid currentColor;
}

.services__plus {
    margin: clamp(3rem, 6vw, 5rem) 0 0 auto;
    max-width: 40ch;
    font-size: clamp(1.2rem, 2vw, 1.8rem);
    line-height: 1.3;
}

/* --------------------------------------------------------------------------
   03 Metodo (scorrimento orizzontale su desktop)
   -------------------------------------------------------------------------- */

.method {
    background: var(--yellow);
}

.method__sticky {
    padding: calc(var(--bar-h) + 4vh) 0 6vh;
}

.method__head {
    display: flex;
    justify-content: space-between;
    padding: 0 var(--gutter);
}

.method__count {
    margin: 0;
}

.method__track {
    display: grid;
    gap: 0;
}

.step {
    padding: 2rem var(--gutter) 3rem;
    border-top: 1.5px solid var(--ink);
}

.step__n {
    display: block;
    font-size: clamp(6rem, 22vw, 22rem);
    font-weight: 900;
    font-stretch: 62%;
    line-height: 0.8;
    color: transparent;
    -webkit-text-stroke: 2px var(--ink);
}

.step__t {
    margin: 1.5rem 0 0.75rem;
    font-size: clamp(2.4rem, 5vw, 5rem);
    font-weight: 900;
    font-stretch: 75%;
    line-height: 0.9;
    text-transform: uppercase;
}

.step__d {
    margin: 0;
    max-width: 38ch;
}

.method__bar {
    display: none;
}

.method.is-horizontal .method__sticky {
    position: sticky;
    top: 0;
    height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.method.is-horizontal .method__track {
    display: flex;
    width: max-content;
    will-change: transform;
}

.method.is-horizontal .step {
    width: min(48vw, 720px);
    flex: none;
    padding: 0 4vw 0 var(--gutter);
    border-top: 0;
    border-left: 1.5px solid var(--ink);
}

.method.is-horizontal .step:first-child {
    border-left: 0;
}

.method.is-horizontal .step__n {
    font-size: min(36vh, 22rem);
}

.method.is-horizontal .method__bar {
    display: block;
    margin: 0 var(--gutter);
    height: 1.5px;
    background: rgba(14, 14, 12, 0.2);
}

.method__bar span {
    display: block;
    height: 100%;
    background: var(--ink);
    transform-origin: 0 50%;
    transform: scaleX(0);
}

/* --------------------------------------------------------------------------
   04 Contatti
   -------------------------------------------------------------------------- */

.contact {
    background: var(--ink);
    color: var(--paper);
    padding: clamp(6rem, 12vw, 11rem) var(--gutter) clamp(4rem, 8vw, 7rem);
}

.contact__title {
    margin: 0 0 clamp(2.5rem, 5vw, 4.5rem);
    font-size: min(18.4vw, 19rem);
    font-weight: 900;
    font-stretch: 62%;
    line-height: 0.8;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    color: var(--yellow);
}

.letter__text {
    margin: 0;
    max-width: 32ch;
    font-size: clamp(1.6rem, 3.6vw, 3.6rem);
    font-weight: 600;
    font-stretch: 88%;
    line-height: 1.45;
    letter-spacing: -0.01em;
}

.field {
    display: inline-block;
    position: relative;
    vertical-align: baseline;
}

.field input,
.field select {
    width: auto;
    min-width: 6ch;
    max-width: 100%;
    padding: 0 0.1em;
    border: 0;
    border-bottom: 2px solid var(--muted);
    border-radius: 0;
    background: transparent;
    color: var(--yellow);
    font-weight: 600;
    font-stretch: 88%;
    line-height: 1.15;
    outline: none;
    transition: border-color 0.2s;
}

.nw {
    white-space: nowrap;
}

.field input::placeholder {
    color: rgba(242, 240, 233, 0.28);
}

.field input:focus,
.field select:focus {
    border-bottom-color: var(--yellow);
}

.field select {
    appearance: none;
    padding-right: 0.9em;
    cursor: pointer;
    background: linear-gradient(45deg, transparent 50%, var(--yellow) 50%) no-repeat right 0.32em top 55% / 0.32em 0.32em,
                linear-gradient(-45deg, transparent 50%, var(--yellow) 50%) no-repeat right 0.06em top 55% / 0.32em 0.32em;
}

.field select option {
    background: var(--ink);
    color: var(--paper);
}

.field.is-invalid input {
    border-bottom-color: #ff5a36;
}

.letter__more {
    display: grid;
    gap: 10px;
    margin-top: clamp(2.5rem, 5vw, 4rem);
    max-width: 760px;
}

.letter__more span {
    color: var(--muted);
}

.letter__more textarea {
    width: 100%;
    padding: 14px 0;
    border: 0;
    border-bottom: 2px solid var(--muted);
    background: transparent;
    resize: vertical;
    outline: none;
    font-size: 1.1rem;
}

.letter__more textarea:focus {
    border-bottom-color: var(--yellow);
}

.letter__send {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px 40px;
    flex-wrap: wrap;
    margin-top: 2.5rem;
}

.check {
    display: flex;
    gap: 12px;
    max-width: 52ch;
    font-size: 0.88rem;
    color: rgba(242, 240, 233, 0.75);
    cursor: pointer;
}

.check input {
    appearance: none;
    flex: none;
    width: 22px;
    height: 22px;
    margin: 0;
    border: 1.5px solid var(--paper);
    cursor: pointer;
    display: grid;
    place-content: center;
}

.check input::after {
    content: "";
    width: 12px;
    height: 12px;
    background: var(--yellow);
    transform: scale(0);
    transition: transform 0.2s var(--ease-out);
}

.check input:checked {
    border-color: var(--yellow);
}

.check input:checked::after {
    transform: none;
}

.check.is-invalid input {
    border-color: #ff5a36;
}

.letter__status {
    min-height: 1.5em;
    margin: 1.5rem 0 0;
    color: var(--yellow);
}

.contact__direct {
    margin-top: clamp(4rem, 8vw, 7rem);
    padding-top: 2rem;
    border-top: 1px solid var(--line-inv);
}

.contact__direct p {
    margin: 0 0 0.5rem;
    color: var(--muted);
}

.contact__mail {
    font-size: clamp(1.6rem, 4.5vw, 4rem);
    font-weight: 800;
    font-stretch: 75%;
    text-decoration: none;
    background: linear-gradient(var(--yellow), var(--yellow)) no-repeat 0 100% / 0% 3px;
    transition: background-size 0.5s var(--ease), color 0.3s;
    overflow-wrap: anywhere;
}

.contact__mail:hover {
    background-size: 100% 3px;
    color: var(--yellow);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.foot {
    background: var(--yellow);
    padding: 0 var(--gutter) 24px;
    overflow: hidden;
}

.foot__word .line {
    display: block;
    letter-spacing: -0.05em;
    white-space: nowrap;
}

.foot__word {
    margin: 0 0 0 -0.04em;
    font-size: 27vw;
    font-weight: 900;
    font-stretch: 125%;
    line-height: 0.82;
    white-space: nowrap;
    transform: translateY(0.06em);
}

.foot__row {
    display: flex;
    justify-content: space-between;
    gap: 12px 24px;
    flex-wrap: wrap;
    padding-top: 16px;
    border-top: 1.5px solid var(--ink);
}

.foot__row a {
    text-decoration: none;
}

.foot__row a:hover {
    text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 900px) {
    :root {
        --bar-h: 68px;
    }

    .bar {
        grid-template-columns: auto 1fr;
    }

    .bar__where,
    .bar__cta {
        display: none;
    }

    .bar__logo img {
        width: 92px;
    }

    .hero__meta span:nth-child(3) {
        display: none;
    }

    .chain {
        grid-template-columns: 1fr;
    }

    .chain__note {
        grid-column: 1;
    }

    .proof__list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        row-gap: 2.5rem;
    }

    .service {
        grid-template-columns: 2rem minmax(0, 1fr);
        grid-template-areas:
            "n t"
            "n d"
            "n g";
    }

    .index__list a {
        grid-template-columns: 3ch 1fr;
    }

    .index__d {
        display: none;
    }
}

@media (max-width: 600px) {
    .hero__title {
        --base: 74;
    }
}

@media (max-width: 520px) {
    .proof__list {
        grid-template-columns: 1fr;
        border-left: 0;
    }

    .proof__list li {
        padding: 0 0 0 1rem;
        border-right: 0;
        border-left: 1px solid var(--line-inv);
    }

    .hero__meta span:nth-child(2) {
        display: none;
    }

    .btn {
        width: 100%;
        justify-content: space-between;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .hero__title mark {
        background-size: 100% 62%;
    }

    .js .reveal {
        opacity: 1;
        transform: none;
    }

    .js .manifesto__text .w {
        opacity: 1;
    }
}