/* ==========================================================================
   SocialStation® homepage — Cooperative AI Infrastructure
   Used only by resources/views/landing/*. Mobile-first. 90% neutral / 10% colour.
   ========================================================================== */

:root {
    --bg: #F7F7F5;
    --white: #FFFFFF;
    --black: #101112;
    --graphite: #27292B;
    --grey: #6B6F72;
    --border: #E7E8E5;

    --orienta: #7EE5C0;
    --ispira: #FEB781;
    --elabora: #F97EA1;
    --condividi: #7AD9E7;

    --font-display: 'Anton', 'Impact', 'Arial Narrow', sans-serif;
    --font-body: 'Poppins', system-ui, -apple-system, 'Segoe UI', sans-serif;

    --gutter: 16px;
    --max: 1360px;
    --radius: 14px;
    --ease: cubic-bezier(.2, .7, .2, 1);
    --t-ui: 500ms;
    --t-concept: 1200ms;
    --header-h: 64px;
}

@media (min-width: 768px) { :root { --gutter: 32px; --header-h: 76px; } }
@media (min-width: 1200px) { :root { --gutter: 56px; } }

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); -webkit-text-size-adjust: 100%; }
body.ss-body {
    margin: 0;
    background: var(--bg);
    color: var(--black);
    font-family: var(--font-body);
    font-size: 18px;
    line-height: 1.6;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
@media (min-width: 1024px) { body.ss-body { font-size: 19px; } }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
p, h1, h2, h3, figure, dl, dd { margin: 0; }
:focus-visible { outline: 2px solid var(--black); outline-offset: 3px; border-radius: 4px; }
.ss-dark :focus-visible { outline-color: var(--white); }

.ss-visually-hidden {
    position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.ss-skip {
    position: absolute; left: 16px; top: -100px; z-index: 100;
    background: var(--black); color: var(--white); padding: 10px 16px; border-radius: 8px; text-decoration: none;
}
.ss-skip:focus { top: 12px; }

.ss-wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.ss-section { padding: 88px 0; position: relative; }
@media (min-width: 1024px) { .ss-section { padding: 144px 0; } }

/* ---------- type ---------- */
.ss-eyebrow, .ss-label, .ss-tag {
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--grey);
}
@media (min-width: 768px) { .ss-eyebrow, .ss-label { font-size: 13px; } }
.ss-eyebrow { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 20px; }

.ss-title, .ss-statement, .ss-hero__title, .ss-hero__reveal, .ss-final__title, .ss-lockup__name {
    font-family: var(--font-display);
    font-weight: 400;
    text-transform: uppercase;
    line-height: .98;
    letter-spacing: .005em;
}
.ss-title { font-size: clamp(40px, 7vw, 80px); margin-bottom: 32px; max-width: 18ch; }
.ss-title span, .ss-statement span { display: block; }
.ss-muted { color: var(--grey); }
.ss-dark .ss-muted { color: #8E9396; }
.ss-subtitle { font-family: var(--font-body); font-size: 15px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; margin: 72px 0 24px; }
.ss-lead { font-size: 19px; line-height: 1.55; color: var(--graphite); max-width: 38ch; }
@media (min-width: 1024px) { .ss-lead { font-size: 21px; } }
.ss-measure { max-width: 46ch; }
.ss-body-lg { font-size: 19px; color: var(--graphite); }
.ss-statement { font-size: clamp(32px, 5.4vw, 64px); margin-top: 72px; }
.ss-statement--center { text-align: center; margin-left: auto; margin-right: auto; max-width: 22ch; }
.ss-placeholder {
    margin-top: 16px; font-size: 12px; letter-spacing: .04em; color: var(--grey);
    font-family: ui-monospace, 'SFMono-Regular', Menlo, monospace;
}

/* ---------- Thinks4 functional colour ---------- */
.ss-c-orienta { --accent: var(--orienta); }
.ss-c-ispira { --accent: var(--ispira); }
.ss-c-elabora { --accent: var(--elabora); }
.ss-c-condividi { --accent: var(--condividi); }
.ss-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent, var(--black)); display: inline-block; flex: none; }

/* ---------- buttons & links ---------- */
.ss-btn {
    display: inline-flex; align-items: center; justify-content: center;
    min-height: 48px; padding: 0 24px; border-radius: 999px;
    font: 500 15px/1 var(--font-body); letter-spacing: .02em; text-decoration: none; white-space: nowrap;
    border: 1px solid transparent; cursor: pointer;
    transition: background var(--t-ui) var(--ease), color var(--t-ui) var(--ease), border-color var(--t-ui) var(--ease), transform var(--t-ui) var(--ease);
}
.ss-btn--dark { background: var(--black); color: var(--white); }
.ss-btn--dark:hover { background: var(--graphite); }
.ss-btn--line { border-color: var(--black); color: var(--black); background: transparent; }
.ss-btn--line:hover { background: var(--black); color: var(--white); }
.ss-btn--light { background: var(--white); color: var(--black); }
.ss-btn--light:hover { background: var(--border); }
.ss-btn[disabled] { opacity: .6; cursor: progress; }
.ss-link { font-weight: 500; font-size: 15px; text-decoration: none; border-bottom: 1px solid currentColor; padding-bottom: 2px; display: inline-flex; gap: 6px; }
.ss-link:hover { color: var(--grey); }
.ss-link--light { color: var(--white); }
.ss-link--light:hover { color: #C9CCCE; }
.ss-cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; margin-top: 32px; }

/* ---------- header ---------- */
.ss-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(247, 247, 245, .86);
    -webkit-backdrop-filter: saturate(1.4) blur(14px);
    backdrop-filter: saturate(1.4) blur(14px);
    border-bottom: 1px solid transparent;
    transition: border-color var(--t-ui) var(--ease);
}
.ss-header.is-scrolled { border-bottom-color: var(--border); }
/* backdrop-filter makes the header the containing block of the fixed mobile nav: drop it while the menu is open */
.ss-header.is-menu-open { -webkit-backdrop-filter: none; backdrop-filter: none; background: var(--bg); }
.ss-header__inner {
    max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter);
    height: var(--header-h); display: flex; align-items: center; gap: 16px;
}
.ss-brand img { height: 32px; width: auto; }
@media (min-width: 768px) { .ss-brand img { height: 36px; } }
.ss-header__cta { margin-left: 8px; min-height: 40px; padding: 0 18px; font-size: 14px; }
.ss-brand { display: inline-flex; }
.ss-brand__dark { display: none; }
.dark .ss-brand__light { display: none; }
.dark .ss-brand__dark { display: block; }

/* theme toggle (light → dark → high contrast) */
.ss-theme {
    margin-left: auto; width: 40px; height: 40px; flex: none; border-radius: 50%; cursor: pointer;
    border: 1px solid var(--border); background: var(--white); color: var(--black);
    display: inline-flex; align-items: center; justify-content: center;
}
.ss-theme:hover { border-color: var(--black); }
.ss-theme__icon { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; display: none; }
html:not(.dark) .ss-theme__icon--light,
html.dark:not(.high-contrast) .ss-theme__icon--dark,
html.high-contrast .ss-theme__icon--hc { display: block; }

.ss-burger {
    width: 44px; height: 44px; border: 0; background: transparent; cursor: pointer;
    display: inline-flex; flex-direction: column; justify-content: center; align-items: center; gap: 6px; padding: 0;
}
.ss-burger__bar { width: 22px; height: 2px; background: var(--black); transition: transform var(--t-ui) var(--ease); }
.ss-burger[aria-expanded="true"] .ss-burger__bar:first-of-type { transform: translateY(4px) rotate(45deg); }
.ss-burger[aria-expanded="true"] .ss-burger__bar:last-of-type { transform: translateY(-4px) rotate(-45deg); }

/* mobile navigation panel */
.ss-nav {
    position: fixed; inset: var(--header-h) 0 0 0; background: var(--bg);
    padding: 24px var(--gutter) 40px; overflow-y: auto;
    display: none; flex-direction: column; gap: 32px;
}
.ss-nav.is-open { display: flex; }
.ss-nav__list a {
    display: block; padding: 12px 0; text-decoration: none;
    font-family: var(--font-display); font-size: 34px; text-transform: uppercase; line-height: 1.1;
    border-bottom: 1px solid var(--border);
}
.ss-nav__extra { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.ss-nav__login { font-size: 15px; font-weight: 500; text-decoration: none; }
.ss-nav__login:hover { color: var(--grey); }
.ss-nav__cta { width: 100%; }
@media (min-width: 1280px) { .ss-nav__cta { display: none; } }

.ss-lang { position: relative; }
.ss-lang summary {
    list-style: none; cursor: pointer; font-size: 13px; font-weight: 600; letter-spacing: .1em;
    min-height: 40px; display: inline-flex; align-items: center; padding: 0 12px;
    border: 1px solid var(--border); border-radius: 999px; background: var(--white);
}
.ss-lang summary::-webkit-details-marker { display: none; }
.ss-lang summary::after { content: ""; width: 6px; height: 6px; border-right: 1.5px solid; border-bottom: 1.5px solid; transform: rotate(45deg) translateY(-2px); margin-left: 8px; }
.ss-lang ul {
    position: absolute; z-index: 5; bottom: calc(100% + 8px); left: 0; min-width: 170px;
    background: var(--white); border: 1px solid var(--border); border-radius: 12px; padding: 6px;
    box-shadow: 0 18px 40px rgba(16, 17, 18, .10);
}
.ss-lang a { display: block; padding: 8px 12px; border-radius: 8px; font-size: 14px; text-decoration: none; }
.ss-lang a:hover { background: var(--bg); }
.ss-lang a[aria-current] { font-weight: 600; }

@media (min-width: 1280px) {
    .ss-burger { display: none; }
    .ss-nav {
        position: static; display: flex; flex-direction: row; align-items: center; gap: 28px;
        background: none; padding: 0; overflow: visible; margin-left: 32px;
    }
    .ss-nav__list { display: flex; gap: 22px; white-space: nowrap; }
    .ss-nav__list a {
        font: 500 14px/1 var(--font-body); text-transform: none; border: 0; padding: 8px 0;
        position: relative;
    }
    .ss-nav__list a::after {
        content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 1px; background: currentColor;
        transition: right var(--t-ui) var(--ease);
    }
    .ss-nav__list a:hover::after, .ss-nav__list a[aria-current="true"]::after { right: 0; }
    .ss-nav__extra { gap: 16px; flex-wrap: nowrap; white-space: nowrap; }
    .ss-lang ul { bottom: auto; top: calc(100% + 8px); left: auto; right: 0; }
    .ss-header__cta { margin-left: 8px; }
    .ss-nav { flex: 1; }
    .ss-nav__extra { margin-left: auto; }
    .ss-theme { margin-left: 4px; }
}
@media (max-width: 479px) { .ss-header__cta { display: none; } }

/* ---------- login / user menu (components.auth-dropdown) ---------- */
.ss-header .auth-dropdown-button {
    min-height: 40px; padding: 0 14px; border-radius: 999px; cursor: pointer;
    border: 1px solid var(--border); background: var(--white); color: var(--black);
    display: inline-flex; align-items: center; gap: 8px; font: 500 14px/1 var(--font-body);
}
.ss-header .auth-dropdown-button:hover { border-color: var(--black); }
.ss-header .auth-user-name { max-width: 14ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ss-header .auth-dropdown-menu {
    position: absolute; z-index: 60; right: 0; top: calc(100% + 8px); width: 300px;
    background: var(--white); color: var(--black); border: 1px solid var(--border); border-radius: 14px;
    padding: 8px; box-shadow: 0 18px 40px rgba(16, 17, 18, .12);
}
.ss-header .auth-menu-header { padding: 10px 12px; font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--grey); }
.ss-header .auth-menu-item {
    display: flex; align-items: center; gap: 10px; width: 100%; padding: 10px 12px; border-radius: 8px;
    font: 500 14px/1.3 var(--font-body); color: var(--black); text-decoration: none; text-align: left;
    background: none; border: 0; cursor: pointer;
}
.ss-header .auth-menu-item:hover { background: var(--bg); }
.ss-header .auth-menu-item-highlight { font-weight: 600; }
.ss-header .auth-menu-item-logout { color: #B42318; }
.ss-header .auth-menu-item svg { flex: none; }
.ss-header .auth-login-form { display: grid; gap: 10px; padding: 4px 12px 12px; }
.ss-header .auth-form-input {
    width: 100%; min-height: 44px; padding: 0 14px; border-radius: 10px;
    border: 1px solid var(--border); background: var(--bg); color: var(--black); font: 400 15px var(--font-body);
}
.ss-header .auth-form-input:focus { outline: none; border-color: var(--black); }
.ss-header .auth-login-button {
    min-height: 44px; border: 0; border-radius: 999px; cursor: pointer;
    background: var(--black); color: var(--white); font: 500 15px var(--font-body);
}
.ss-header .auth-login-button[disabled] { opacity: .6; cursor: progress; }
.ss-header .auth-login-error { color: #B42318; font-size: 13px; }
.ss-header .auth-menu-footer { padding: 0 12px 6px; }
.ss-header .auth-menu-footer:empty { display: none; }
.ss-header .auth-footer-link { font-size: 14px; font-weight: 500; }
/* inside the mobile menu panel the dropdown opens inline */
@media (max-width: 1279px) {
    .ss-nav .auth-dropdown { display: flex !important; flex-direction: column; align-items: stretch !important; width: 100%; }
    .ss-nav .auth-dropdown-button { align-self: flex-start; }
    .ss-nav .auth-dropdown-menu { position: static; width: 100%; margin-top: 8px; box-shadow: none; }
    .ss-nav .ss-lang ul { bottom: auto; top: calc(100% + 8px); }
}

/* ---------- §04 hero ---------- */
.ss-hero { padding: 32px 0 72px; }
@media (min-width: 1024px) { .ss-hero { padding: 56px 0 120px; } }
.ss-hero__grid { display: grid; gap: 28px; }
.ss-hero__title { font-size: clamp(44px, 11vw, 120px); }
.ss-hero__line { display: block; }
.ss-hero__line:first-child { color: var(--grey); }
.ss-hero__reveal { font-size: clamp(30px, 4.6vw, 56px); margin-top: 20px; }
.ss-hero__claim { font-weight: 500; font-size: 18px; line-height: 1.4; margin-top: 12px; max-width: 24ch; }
.ss-hero__sub { font-size: 16px; color: var(--grey); margin-top: 14px; max-width: 46ch; }
.ss-hero .ss-lead { margin-top: 20px; }
.ss-hero__visual { position: relative; }
.ss-annotated { position: relative; border-radius: var(--radius); overflow: hidden; background: var(--graphite); }
.ss-annotated img { width: 100%; aspect-ratio: 2560 / 1441; object-fit: cover; }

.ss-legend { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 16px; margin-top: 16px; }
.ss-legend li { font-size: 13px; line-height: 1.35; border-top: 1px solid var(--border); padding-top: 8px; }
.ss-legend strong { display: block; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; }
.ss-legend span { color: var(--grey); }

.ss-pin { display: none; }

/* mobile/tablet: the product must be visible in the first screen (brief §33) */
@media (max-width: 1023px) {
    .ss-hero__grid { display: flex; flex-direction: column; gap: 0; }
    .ss-hero__copy { display: contents; }
    .ss-hero__copy > .ss-eyebrow { order: 1; }
    .ss-hero__title { order: 2; }
    .ss-hero__reveal { order: 3; }
    .ss-hero__claim { order: 4; }
    .ss-hero__visual { order: 5; margin: 24px 0 8px; }
    .ss-hero .ss-lead { order: 6; }
    .ss-hero__sub { order: 7; }
    .ss-hero .ss-cta-row { order: 8; }
    .ss-hero__reveal { margin-top: 16px; }
}

@media (min-width: 1024px) {
    .ss-hero__grid { grid-template-columns: minmax(0, 11fr) minmax(0, 13fr); gap: 56px; align-items: center; }
    .ss-hero__title { font-size: clamp(48px, 5.2vw, 92px); }
    .ss-hero__reveal { font-size: clamp(30px, 3vw, 48px); }
    .ss-hero__claim { display: none; }
    .ss-legend { /* pins carry the info visually on large screens */
        position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0);
    }
    .ss-pin {
        display: block; position: absolute; left: var(--x); top: var(--y); width: 0; height: 0;
    }
    .ss-pin__dot {
        position: absolute; left: -6px; top: -6px; width: 12px; height: 12px; border-radius: 50%;
        background: var(--white); box-shadow: 0 0 0 4px rgba(255, 255, 255, .28);
    }
    .ss-pin__label {
        position: absolute; top: -14px; white-space: nowrap;
        background: rgba(255, 255, 255, .94); color: #101112;
        font-size: 12px; line-height: 1.2; padding: 6px 10px; border-radius: 8px;
        display: flex; flex-direction: column;
    }
    .ss-pin__label strong { font-size: 10px; letter-spacing: .14em; text-transform: uppercase; }
    .ss-pin__label::before { content: ""; position: absolute; top: 14px; width: 28px; height: 1px; background: var(--white); }
    .ss-pin--right .ss-pin__label { left: 34px; }
    .ss-pin--right .ss-pin__label::before { right: 100%; }
    .ss-pin--left .ss-pin__label { right: 34px; }
    .ss-pin--left .ss-pin__label::before { left: 100%; }
    .js .ss-pin { opacity: 0; transform: scale(.9); transition: opacity var(--t-ui) var(--ease) var(--d), transform var(--t-ui) var(--ease) var(--d); }
    .js .ss-hero__visual.is-visible .ss-pin { opacity: 1; transform: none; }
}

/* ---------- §05 individual → cooperative ---------- */
.ss-shift { background: var(--white); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.ss-shift__grid { display: grid; gap: 24px; margin-top: 16px; }
.ss-shift__card { border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; background: var(--bg); }
.ss-shift__card--coop { background: var(--black); color: var(--white); border-color: var(--black); }
.ss-shift__card--coop .ss-label { color: #9DA2A5; }
.ss-diagram { width: 100%; max-width: 360px; height: auto; margin: 16px auto 20px; }
.ss-draw { fill: none; stroke: var(--grey); stroke-width: 1.5; stroke-linecap: round; }
.ss-draw--soft { stroke-dasharray: 3 5; opacity: .7; }
.ss-shift__card--coop .ss-draw { stroke: #B4B8BB; }
.ss-node { stroke-width: 1.5; }
.ss-node--person { fill: var(--white); stroke: var(--black); }
.ss-node--screen { fill: var(--graphite); stroke: var(--graphite); }
.ss-node--ai { fill: var(--bg); stroke: var(--grey); stroke-dasharray: 2 3; }
.ss-node--hub { fill: var(--white); stroke: var(--white); }
.ss-shift__card--coop .ss-node--person { fill: var(--accent, var(--white)); stroke: var(--accent, var(--white)); }
.ss-node__txt { font: 600 11px var(--font-body); fill: var(--grey); letter-spacing: .1em; }
.ss-node__txt--light { fill: var(--black); }
.ss-shift__items { display: flex; flex-wrap: wrap; gap: 8px; }
.ss-shift__items li {
    font-family: var(--font-display); font-size: 26px; text-transform: uppercase; line-height: 1;
}
.ss-shift__items li:not(:last-child)::after { content: "+"; margin-left: 8px; color: var(--grey); }
.ss-shift__flow { margin-top: 16px; font-size: 14px; font-weight: 500; letter-spacing: .04em; }
.ss-shift__caption { margin-top: 6px; color: var(--grey); font-size: 16px; }
.ss-shift__card--coop .ss-shift__caption { color: #B4B8BB; }
.ss-shift__bridge { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.ss-shift__bridge p { font-size: 12px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; max-width: 18ch; }
.ss-shift__arrow { font-size: 36px; line-height: 1; transform: rotate(90deg); }
@media (min-width: 960px) {
    .ss-shift__grid { grid-template-columns: 1fr 160px 1fr; align-items: center; }
    .ss-shift__arrow { transform: none; font-size: 48px; }
    .ss-shift__card { padding: 40px; }
}
/* line drawing on reveal */
.js .ss-shift__card .ss-draw:not(.ss-draw--soft) { stroke-dasharray: 220; stroke-dashoffset: 220; transition: stroke-dashoffset var(--t-concept) var(--ease) 300ms; }
.js .ss-shift__card.is-visible .ss-draw:not(.ss-draw--soft) { stroke-dashoffset: 0; }
.js .ss-shift__card .ss-draw--soft { opacity: 0; transition: opacity var(--t-concept) var(--ease) 900ms; }
.js .ss-shift__card.is-visible .ss-draw--soft { opacity: .7; }

/* ---------- §06 product ---------- */
.ss-product__main { border-radius: var(--radius); overflow: hidden; background: var(--graphite); }
.ss-product__main img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.ss-specs { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--black); margin-top: 40px; }
.ss-specs__item { padding: 20px 16px 20px 0; border-bottom: 1px solid var(--border); display: flex; flex-direction: column-reverse; gap: 4px; }
.ss-specs dt { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--grey); font-weight: 600; }
.ss-specs dd { font-family: var(--font-display); font-size: 40px; line-height: 1; }
@media (min-width: 900px) { .ss-specs { grid-template-columns: repeat(6, 1fr); } .ss-specs__item { border-bottom: 0; } }
.ss-product__duo { display: grid; gap: 40px; margin-top: 24px; }
.ss-product__duo .ss-statement { margin-top: 48px; }
.ss-product__second { margin-top: 28px; border-radius: var(--radius); overflow: hidden; }
.ss-product__second img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
@media (min-width: 1024px) {
    .ss-product__duo { grid-template-columns: 5fr 7fr; gap: 64px; align-items: start; margin-top: 56px; }
    .ss-product__duo .ss-statement { position: sticky; top: calc(var(--header-h) + 40px); }
}

/* ---------- §07 IP strip ---------- */
.ss-ip { background: var(--white); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 40px 0; }
.ss-ip__inner { display: grid; gap: 24px; }
.ss-ip__list { display: grid; grid-template-columns: 1fr 1fr; }
.ss-ip__item { padding: 16px 16px 16px 0; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 2px; }
.ss-ip__kind { font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--grey); font-weight: 600; }
.ss-ip__value { font-weight: 600; font-size: 16px; letter-spacing: .02em; }
.ss-ip__detail { font-family: ui-monospace, 'SFMono-Regular', Menlo, monospace; font-size: 13px; color: var(--graphite); }
@media (min-width: 900px) {
    .ss-ip__inner { grid-template-columns: 200px 1fr; align-items: center; }
    .ss-ip__list { grid-template-columns: repeat(4, 1fr); }
    .ss-ip__item { border-top: 0; border-left: 1px solid var(--border); padding: 4px 24px; }
}

/* ---------- §08 Thinks4 ---------- */
.ss-actions { display: grid; gap: 12px; margin-top: 48px; }
.ss-action {
    position: relative; overflow: hidden; background: var(--white); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 28px 24px 32px; display: flex; flex-direction: column; gap: 8px;
}
.ss-action__num { font-size: 12px; font-weight: 600; letter-spacing: .14em; color: var(--grey); }
.ss-action__name { font-family: var(--font-display); font-size: 40px; line-height: 1; }
.ss-action__text { color: var(--graphite); font-size: 17px; }
.ss-action__bar { position: absolute; left: 0; right: 0; top: 0; height: 6px; background: var(--accent); transform-origin: left; }
.js .ss-action .ss-action__bar { transform: scaleX(0); transition: transform var(--t-concept) var(--ease) calc(var(--d, 0ms) + 200ms); }
.js .ss-action.is-visible .ss-action__bar { transform: none; }
@media (min-width: 700px) { .ss-actions { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .ss-actions { grid-template-columns: repeat(4, 1fr); } .ss-action { min-height: 260px; justify-content: flex-end; } }

.ss-do { display: grid; gap: 0; border-top: 1px solid var(--black); }
.ss-do__group { padding: 20px 0; border-bottom: 1px solid var(--border); }
.ss-do__head { display: flex; align-items: center; gap: 10px; font-size: 12px; font-weight: 600; letter-spacing: .16em; margin-bottom: 12px; }
.ss-do__group ul { display: flex; flex-wrap: wrap; gap: 8px; }
.ss-do__group li { font-size: 15px; padding: 6px 14px; border-radius: 999px; border: 1px solid var(--border); background: var(--white); }
@media (min-width: 900px) { .ss-do { grid-template-columns: repeat(4, 1fr); gap: 0 24px; } .ss-do__group { border-bottom: 0; padding-top: 24px; } }

/* ---------- §09 journey ---------- */
.ss-journey { background: var(--white); border-top: 1px solid var(--border); }
.ss-journey__grid { display: grid; gap: 24px; }
.ss-steps { position: relative; padding-left: 40px; }
.ss-steps__rail { position: absolute; left: 11px; top: 8px; bottom: 8px; width: 2px; background: var(--border); }
.ss-steps__fill { position: absolute; inset: 0 0 auto 0; height: 0; background: var(--black); transition: height 200ms linear; }
.ss-step { position: relative; display: grid; grid-template-columns: 56px 1fr; gap: 8px; padding: 24px 0; border-bottom: 1px solid var(--border); }
.ss-step::before {
    content: ""; position: absolute; left: -35px; top: 34px; width: 12px; height: 12px; border-radius: 50%;
    background: var(--white); border: 2px solid var(--border); transition: border-color var(--t-ui), background var(--t-ui);
}
.ss-step.is-active::before { border-color: var(--black); background: var(--black); }
.ss-step__num { font-size: 13px; font-weight: 600; letter-spacing: .12em; color: var(--grey); padding-top: 10px; }
.ss-step__title { font-family: var(--font-display); font-weight: 400; font-size: clamp(28px, 3.6vw, 44px); text-transform: uppercase; line-height: 1; }
.ss-step__text { margin-top: 8px; color: var(--grey); font-size: 17px; }
@media (min-width: 1024px) {
    .ss-journey__grid { grid-template-columns: 5fr 7fr; gap: 64px; }
    .ss-journey__head { position: sticky; top: calc(var(--header-h) + 40px); align-self: start; }
    .ss-step { padding: 40px 0; }
    .ss-step::before { top: 50px; }
}

/* ---------- dark sections ---------- */
.ss-dark { background: var(--black); color: var(--white); }
.ss-dark .ss-eyebrow, .ss-dark .ss-label { color: #9DA2A5; }

/* ---------- §10 technology stack ---------- */
.ss-stack { margin-top: 48px; display: flex; flex-direction: column; gap: 10px; perspective: 1200px; }
.ss-stack__layer {
    display: grid; grid-template-columns: 40px 1fr; gap: 6px 12px; align-items: baseline;
    padding: 22px 24px; border-radius: var(--radius);
    background: #1B1C1E; border: 1px solid #2E3033;
    transition: transform var(--t-concept) var(--ease), opacity var(--t-concept) var(--ease), margin var(--t-concept) var(--ease);
    transition-delay: calc(var(--i) * 140ms);
}
.ss-stack__layer:nth-child(2) { border-color: #3A3C3F; background: #232427; }
.ss-stack__layer:nth-child(3) { background: var(--white); color: var(--black); border-color: var(--white); }
.ss-stack__num { font-size: 12px; font-weight: 600; letter-spacing: .14em; color: #8E9396; }
.ss-stack__layer:nth-child(3) .ss-stack__num { color: var(--grey); }
.ss-stack__name { font-family: var(--font-display); font-size: clamp(28px, 4vw, 44px); text-transform: uppercase; line-height: 1; }
.ss-stack__items { grid-column: 2; display: flex; flex-wrap: wrap; gap: 4px 18px; font-size: 15px; color: #B4B8BB; }
.ss-stack__layer:nth-child(3) .ss-stack__items { color: var(--graphite); }
@media (min-width: 1024px) {
    .ss-stack__layer { grid-template-columns: 56px 320px 1fr; align-items: center; padding: 28px 36px; }
    .ss-stack__items { grid-column: 3; justify-content: flex-end; }
}
.js .ss-stack:not(.is-assembled) .ss-stack__layer { opacity: .25; transform: translateY(calc(var(--i) * 18px)) rotateX(18deg); margin-bottom: 18px; }

/* ---------- §11 AI modes ---------- */
.ss-modes__grid { display: grid; gap: 16px; margin-top: 16px; }
.ss-mode { border: 1px solid var(--border); border-radius: var(--radius); padding: 32px 28px; background: transparent; display: flex; flex-direction: column; gap: 10px; }
.ss-mode--focus { background: var(--white); border-color: var(--black); }
.ss-tag { align-self: flex-start; color: var(--black); background: var(--bg); border: 1px solid var(--black); padding: 5px 10px; border-radius: 999px; font-size: 11px; }
.ss-mode__num { font-family: var(--font-display); font-size: 56px; line-height: 1; color: var(--border); }
.ss-mode--focus .ss-mode__num { color: var(--black); }
.ss-mode__name { font-family: var(--font-display); font-weight: 400; font-size: 32px; text-transform: uppercase; line-height: 1; }
.ss-mode__flow { font-weight: 500; font-size: 16px; }
.ss-mode__text { color: var(--grey); font-size: 16px; }
.ss-mode:not(.ss-mode--focus) { color: var(--grey); }
@media (min-width: 960px) { .ss-modes__grid { grid-template-columns: repeat(3, 1fr); } }

.ss-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.ss-chips li { font-size: 14px; padding: 6px 14px; border-radius: 999px; border: 1px solid var(--border); background: var(--bg); color: var(--graphite); }
.ss-chips--lg li { font-size: 16px; padding: 10px 18px; background: var(--white); }

/* ---------- §12 verticals ---------- */
.ss-verticals__grid { display: grid; gap: 32px 20px; margin-top: 16px; }
.ss-vertical__media { border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 3; background: var(--border); margin-bottom: 18px; }
.ss-vertical__media img { width: 100%; height: 100%; object-fit: cover; }
.ss-vertical__name { font-family: var(--font-display); font-weight: 400; font-size: 32px; text-transform: uppercase; line-height: 1; }
.ss-vertical__text { color: var(--grey); margin-top: 6px; font-size: 17px; }
@media (min-width: 700px) { .ss-verticals__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .ss-verticals__grid { grid-template-columns: repeat(3, 1fr); } }

/* placeholder visual (CMS slot for real photography) */
.ss-ph {
    width: 100%; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
    background: repeating-linear-gradient(135deg, #EFEFEC 0 12px, #F3F3F0 12px 24px);
    border: 1px dashed #CFD1CD; border-radius: var(--radius); padding: 20px; text-align: center;
}
.ss-ph svg { width: 120px; fill: none; stroke: var(--grey); stroke-width: 1.4; }
.ss-ph span { font-family: ui-monospace, 'SFMono-Regular', Menlo, monospace; font-size: 12px; color: var(--grey); max-width: 36ch; }
.ss-ph--wide { aspect-ratio: 21 / 9; min-height: 220px; }

/* ---------- §13–14 stories ---------- */
.ss-story__media--img { border-radius: var(--radius); overflow: hidden; aspect-ratio: 21 / 9; background: var(--border); }
.ss-story__media--img img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 699px) { .ss-story__media--img { aspect-ratio: 4 / 3; } }
.ss-research__media { border-radius: var(--radius); overflow: hidden; aspect-ratio: 21 / 9; margin-bottom: 48px; background: var(--border); }
.ss-research__media img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 699px) { .ss-research__media { aspect-ratio: 4 / 3; } }
.ss-product__gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 12px; }
.ss-product__gallery img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius); background: var(--border); }

.ss-story__grid { display: grid; gap: 40px; }
.ss-story__media { margin-top: 56px; }
.ss-checklist { border-top: 1px solid var(--black); margin-top: 16px; }
.ss-checklist li { padding: 14px 0 14px 32px; border-bottom: 1px solid var(--border); position: relative; font-size: 17px; }
.ss-checklist li::before { content: ""; position: absolute; left: 4px; top: 22px; width: 12px; height: 6px; border-left: 2px solid var(--black); border-bottom: 2px solid var(--black); transform: rotate(-45deg); }
.ss-story--alt { background: var(--white); border-top: 1px solid var(--border); }
.ss-story--alt .ss-chips li { background: var(--bg); }
@media (min-width: 1024px) {
    .ss-story__grid { grid-template-columns: 7fr 5fr; gap: 80px; align-items: end; }
    .ss-checklist { columns: 1; }
}

/* ---------- §25 final ---------- */
.ss-final { padding-bottom: 120px; }
.ss-final__title { font-size: clamp(52px, 11vw, 168px); line-height: .92; }
.ss-final__title span { display: block; }
.ss-final__accent {
    background: linear-gradient(90deg, var(--orienta), var(--condividi));
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.ss-paths { display: grid; gap: 0; margin-top: 64px; border-top: 1px solid #3A3C3F; }
.ss-path { padding: 28px 0; border-bottom: 1px solid #2E3033; display: flex; flex-direction: column; gap: 8px; }
.ss-path__name { font-family: var(--font-display); font-size: 44px; text-transform: uppercase; line-height: 1; }
.ss-path__who { color: #9DA2A5; font-size: 16px; margin-bottom: 8px; }
@media (min-width: 900px) {
    .ss-paths { grid-template-columns: repeat(4, 1fr); border-bottom: 1px solid #2E3033; }
    .ss-path { padding: 32px 24px 36px 0; border-bottom: 0; }
    .ss-path + .ss-path { border-left: 1px solid #2E3033; padding-left: 24px; }
}

.ss-enquiry { margin-top: 80px; max-width: 880px; }
.ss-enquiry .ss-subtitle { margin-top: 0; }
.ss-form { display: grid; gap: 18px; }
@media (min-width: 700px) { .ss-form { grid-template-columns: 1fr 1fr; gap: 20px 24px; } .ss-field--full { grid-column: 1 / -1; } }
.ss-field { display: flex; flex-direction: column; gap: 8px; }
.ss-field label { font-size: 13px; font-weight: 500; letter-spacing: .04em; color: #C9CCCE; }
.ss-field input, .ss-field select, .ss-field textarea {
    font: 400 17px/1.4 var(--font-body); color: var(--white); background: #1B1C1E;
    border: 1px solid #3A3C3F; border-radius: 10px; padding: 14px 16px; width: 100%;
    transition: border-color var(--t-ui) var(--ease);
}
.ss-field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, #C9CCCE 50%), linear-gradient(135deg, #C9CCCE 50%, transparent 50%); background-position: calc(100% - 22px) 50%, calc(100% - 16px) 50%; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 44px; }
.ss-field input:focus, .ss-field select:focus, .ss-field textarea:focus { border-color: var(--white); outline: none; }
.ss-field [aria-invalid="true"] { border-color: var(--elabora); }
.ss-field--check { flex-direction: row; align-items: flex-start; gap: 12px; }
.ss-field--check input { width: 20px; height: 20px; margin-top: 3px; flex: none; accent-color: var(--white); }
.ss-field--check label { font-size: 14px; line-height: 1.5; letter-spacing: 0; }
.ss-field--check a { color: var(--white); }
.ss-form__actions { flex-direction: row; align-items: center; flex-wrap: wrap; gap: 16px 24px; }
.ss-form__status { font-size: 15px; }
.ss-form__status.is-success { color: var(--orienta); }
.ss-form__status.is-error { color: var(--elabora); }
.ss-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ==========================================================================
   PHASE 2 (§15–24)
   ========================================================================== */
.ss-title--wide { max-width: 22ch; }
.ss-tag--rd { border-style: dashed; }

/* §15 analytics */
.ss-analytics { background: var(--white); border-top: 1px solid var(--border); }
.ss-analytics__grid { display: grid; gap: 48px; }
.ss-index { margin-top: 40px; padding: 24px; border: 1px dashed var(--grey); border-radius: var(--radius); display: grid; gap: 10px; justify-items: start; }
.ss-index__name { font-family: var(--font-display); font-size: 36px; text-transform: uppercase; line-height: 1; }
.ss-index__note { font-size: 15px; color: var(--grey); }
.ss-radial { position: relative; }
.ss-radial__lines { display: none; }
.ss-radial__centre {
    font-family: var(--font-display); font-size: 28px; text-transform: uppercase; line-height: 1.05;
    background: var(--black); color: var(--white); border-radius: var(--radius); padding: 20px 24px; margin-bottom: 16px;
}
.ss-radial__nodes { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.ss-radial__nodes li { font-size: 15px; padding: 10px 14px; border: 1px solid var(--border); border-radius: 10px; background: var(--bg); }
@media (min-width: 1024px) {
    .ss-analytics__grid { grid-template-columns: 5fr 7fr; gap: 64px; align-items: center; }
    .ss-radial { aspect-ratio: 1; max-width: 640px; width: 100%; justify-self: center; }
    .ss-radial__lines { display: block; position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
    .ss-radial__lines line { stroke: var(--border); stroke-width: .3; }
    .ss-radial__orbit { fill: none; stroke: var(--border); stroke-width: .3; stroke-dasharray: 1 1.5; }
    .ss-radial__centre {
        position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); margin: 0;
        width: 30%; aspect-ratio: 1; border-radius: 50%; display: flex; align-items: center; justify-content: center;
        text-align: center; font-size: clamp(18px, 1.8vw, 26px); padding: 16px;
    }
    .ss-radial__nodes { display: block; position: absolute; inset: 0; }
    .ss-radial__nodes li {
        position: absolute; left: var(--x); top: var(--y); transform: translate(-50%, -50%);
        background: var(--white); white-space: nowrap; font-size: 14px; padding: 8px 14px; border-radius: 999px;
        border-color: var(--black);
    }
    .js .ss-radial .ss-radial__nodes li { opacity: 0; transition: opacity var(--t-ui) var(--ease) calc(400ms + var(--i) * 90ms); }
    .js .ss-radial.is-visible .ss-radial__nodes li { opacity: 1; }
    .js .ss-radial .ss-radial__lines line { stroke-dasharray: 60; stroke-dashoffset: 60; transition: stroke-dashoffset var(--t-concept) var(--ease) calc(var(--i) * 90ms); }
    .js .ss-radial.is-visible .ss-radial__lines line { stroke-dashoffset: 0; }
}

/* §16 research */
.ss-quote { margin: 8px 0 56px; padding-left: 24px; border-left: 4px solid var(--black); max-width: 40ch; }
.ss-quote p { font-size: clamp(22px, 2.6vw, 32px); line-height: 1.3; font-weight: 500; }
.ss-flow { display: grid; gap: 0; counter-reset: flow; }
.ss-flow li { display: flex; align-items: baseline; gap: 16px; padding: 14px 0; border-top: 1px solid var(--border); position: relative; }
.ss-flow li:last-child .ss-flow__name { font-weight: 700; }
.ss-flow__num { font-size: 12px; font-weight: 600; letter-spacing: .12em; color: var(--grey); }
.ss-flow__name { font-family: var(--font-display); font-size: 28px; text-transform: uppercase; line-height: 1; }
@media (min-width: 1024px) {
    .ss-flow { grid-template-columns: repeat(6, 1fr); border-top: 1px solid var(--black); }
    .ss-flow li { flex-direction: column; gap: 10px; border-top: 0; padding: 20px 20px 0 0; }
    .ss-flow li:not(:last-child)::after { content: "→"; position: absolute; right: 8px; top: 18px; color: var(--grey); }
    .ss-flow__name { font-size: 24px; }
}
.ss-research__fields { margin-top: 56px; }
.ss-research__fields .ss-chips { margin-top: 14px; }
.ss-research .ss-cta-row { margin-top: 40px; }

/* §17 traction */
.ss-traction { background: var(--white); border-top: 1px solid var(--border); }
.ss-metrics { display: grid; gap: 0; border-top: 1px solid var(--black); margin-top: 16px; }
.ss-metric { display: flex; flex-direction: column-reverse; justify-content: flex-end; gap: 6px; padding: 28px 0; border-bottom: 1px solid var(--border); }
.ss-metric dd { font-family: var(--font-display); font-size: clamp(80px, 12vw, 168px); line-height: .9; }
.ss-metric dt { font-size: 15px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; display: flex; flex-wrap: wrap; gap: 4px 12px; }
.ss-metric dt span { color: var(--grey); font-weight: 500; }
@media (min-width: 900px) { .ss-metrics { grid-template-columns: repeat(3, 1fr); } .ss-metric { border-bottom: 0; padding-right: 24px; } .ss-metric + .ss-metric { border-left: 1px solid var(--border); padding-left: 24px; } }
.ss-traction__secondary { margin-top: 56px; }
.ss-minimetrics { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px 24px; margin-top: 16px; }
.ss-minimetrics div { border-top: 1px solid var(--border); padding-top: 12px; }
.ss-minimetrics dd { font-family: var(--font-display); font-size: 40px; line-height: 1; }
.ss-minimetrics dt { font-size: 14px; color: var(--grey); margin-top: 4px; }
@media (min-width: 700px) { .ss-minimetrics { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 1100px) { .ss-minimetrics { grid-template-columns: repeat(7, 1fr); } }
.ss-recognition { margin-top: 48px; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 32px; padding-top: 24px; border-top: 1px solid var(--border); }
.ss-recognition ul { display: flex; flex-wrap: wrap; gap: 8px 28px; }
.ss-recognition li { font-weight: 600; font-size: 15px; }

/* §18 / §20 equations */
.ss-equation { display: grid; gap: 12px; margin-top: 16px; align-items: stretch; }
.ss-equation__block { border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; background: var(--white); transition: transform var(--t-concept) var(--ease) calc(var(--i) * 140ms), opacity var(--t-concept) var(--ease) calc(var(--i) * 140ms); }
.ss-equation__block--own { background: var(--black); color: var(--white); border-color: var(--black); }
.ss-equation__name { font-family: var(--font-display); font-size: 28px; text-transform: uppercase; line-height: 1; margin-bottom: 14px; }
.ss-equation__block ul { display: grid; gap: 4px; font-size: 15px; color: var(--graphite); }
.ss-equation__block--own ul { color: #C9CCCE; }
.ss-equation__op { font-family: var(--font-display); font-size: 40px; line-height: 1; text-align: center; color: var(--grey); align-self: center; }
.ss-equation__result {
    font-family: var(--font-display); font-size: clamp(28px, 3vw, 40px); text-transform: uppercase; line-height: 1;
    background: var(--black); color: var(--white); border-radius: var(--radius); padding: 28px; display: flex; align-items: center;
    transition: transform var(--t-concept) var(--ease) calc(var(--i) * 140ms), opacity var(--t-concept) var(--ease) calc(var(--i) * 140ms);
}
.ss-equation--3 .ss-equation__result { background: linear-gradient(120deg, var(--black), var(--graphite)); }
@media (min-width: 1100px) {
    .ss-equation { grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr auto 1.1fr; gap: 12px; }
    .ss-equation--3 { grid-template-columns: 1.2fr auto 1fr auto 1fr auto 1fr; }
}
.js .ss-equation:not(.is-assembled) .ss-equation__block, .js .ss-equation:not(.is-assembled) .ss-equation__result { opacity: 0; transform: translateY(28px); }
.ss-scale__value { margin-top: 56px; }
.ss-scale__value .ss-chips { margin-top: 14px; }
.ss-industrial { border-top: 1px solid var(--border); }
.ss-industrial__note { margin-top: 40px; }

/* §19 OEM */
.ss-routes { display: grid; gap: 0; margin-top: 48px; border-top: 1px solid #3A3C3F; }
.ss-route { padding: 28px 0; border-bottom: 1px solid #2E3033; display: grid; gap: 8px; }
.ss-route__num { font-size: 12px; font-weight: 600; letter-spacing: .14em; color: #9DA2A5; }
.ss-route__name { font-family: var(--font-display); font-weight: 400; font-size: 34px; text-transform: uppercase; line-height: 1; }
.ss-route__text { color: #B4B8BB; font-size: 16px; }
@media (min-width: 900px) {
    .ss-routes { grid-template-columns: repeat(4, 1fr); border-bottom: 1px solid #2E3033; }
    .ss-route { border-bottom: 0; padding: 32px 24px 36px 0; }
    .ss-route + .ss-route { border-left: 1px solid #2E3033; padding-left: 24px; }
}
.ss-oem__statement { margin-top: 72px; max-width: 24ch; }
.ss-oem .ss-cta-row { margin-top: 40px; }
.ss-oem .ss-lead { color: #C9CCCE; }

/* §21 investors */
.ss-invest__grid { display: grid; gap: 40px; }
.ss-thesis { border-top: 1px solid var(--black); }
.ss-thesis__item { display: grid; grid-template-columns: 28px 1fr; gap: 2px 12px; padding: 16px 0; border-bottom: 1px solid var(--border); }
.ss-thesis__op { grid-row: span 2; font-family: var(--font-display); font-size: 28px; line-height: 1; color: var(--grey); }
.ss-thesis__name { font-family: var(--font-display); font-size: 26px; text-transform: uppercase; line-height: 1.05; }
.ss-thesis__text { color: var(--grey); font-size: 16px; }
.ss-thesis__conclusion { margin-top: 24px; font-family: var(--font-display); font-size: clamp(32px, 4vw, 52px); text-transform: uppercase; line-height: 1; }
@media (min-width: 1024px) {
    .ss-invest__grid { grid-template-columns: 5fr 7fr; gap: 64px; }
    .ss-invest__head { position: sticky; top: calc(var(--header-h) + 40px); align-self: start; }
    .ss-thesis__item { grid-template-columns: 40px 260px 1fr; align-items: baseline; }
    .ss-thesis__op { grid-row: auto; }
}

/* §22 moat */
.ss-moat { background: var(--white); border-top: 1px solid var(--border); }
.ss-moat__legend { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-bottom: 24px; }
.ss-moat__key { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.ss-moat__key::before { content: ""; width: 14px; height: 14px; border-radius: 4px; }
.ss-moat__key--current::before { background: var(--black); }
.ss-moat__key--future::before { border: 1.5px dashed var(--grey); }
.ss-moat__grid { display: grid; gap: 12px; }
.ss-moat__centre { background: var(--black); color: var(--white); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; justify-content: center; }
.ss-moat__brand { font-family: var(--font-display); font-size: clamp(36px, 4vw, 56px); text-transform: uppercase; line-height: 1; }
.ss-moat__cat { font-size: 13px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; margin-top: 10px; color: #C9CCCE; }
.ss-moat__item { border-radius: var(--radius); padding: 22px 24px; display: grid; gap: 6px; align-content: start; }
.ss-moat__item--current { border: 1px solid var(--black); background: var(--bg); }
.ss-moat__item--future { border: 1.5px dashed var(--grey); background: transparent; }
.ss-moat__status { font-size: 11px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--grey); }
.ss-moat__name { font-family: var(--font-display); font-weight: 400; font-size: 28px; text-transform: uppercase; line-height: 1; }
.ss-moat__text { font-size: 15px; color: var(--graphite); }
.ss-moat__item--future .ss-moat__name, .ss-moat__item--future .ss-moat__text { color: var(--grey); }
@media (min-width: 700px) { .ss-moat__grid { grid-template-columns: repeat(2, 1fr); } .ss-moat__centre { grid-column: 1 / -1; } }
@media (min-width: 1100px) {
    .ss-moat__grid { grid-template-columns: repeat(4, 1fr); grid-auto-rows: minmax(150px, auto); grid-auto-flow: dense; }
    .ss-moat__centre { grid-column: 2 / span 2; grid-row: 2 / span 2; text-align: center; align-items: center; }
}

/* §23 global */
.ss-global__grid { display: grid; gap: 24px; margin-top: 16px; }
.ss-global__list { margin-top: 14px; border-top: 1px solid var(--black); }
.ss-global__list li { font-family: var(--font-display); font-size: clamp(28px, 3vw, 40px); text-transform: uppercase; line-height: 1; padding: 14px 0; border-bottom: 1px solid var(--border); }
.ss-global__arrow { font-size: 40px; color: var(--grey); transform: rotate(90deg); justify-self: center; }
@media (min-width: 900px) { .ss-global__grid { grid-template-columns: 1fr auto 1fr; gap: 48px; align-items: start; } .ss-global__arrow { transform: none; align-self: center; } }
.ss-made { margin-top: 64px; padding: 28px; border-radius: var(--radius); background: var(--white); border: 1px solid var(--border); display: flex; flex-wrap: wrap; align-items: center; gap: 12px 32px; }
.ss-made ul { display: flex; flex-wrap: wrap; gap: 8px 28px; }
.ss-made li { font-weight: 600; font-size: 18px; }
.ss-made li:not(:last-child)::after { content: "·"; margin-left: 28px; color: var(--grey); }

/* §24 manifesto */
.ss-manifesto__list { margin-top: 24px; border-top: 1px solid #3A3C3F; }
.ss-manifesto__list li { display: grid; grid-template-columns: 48px 1fr; gap: 12px; padding: 24px 0; border-bottom: 1px solid #2E3033; align-items: baseline; }
.ss-manifesto__num { font-size: 13px; font-weight: 600; letter-spacing: .12em; color: #9DA2A5; }
.ss-manifesto__text { font-family: var(--font-display); font-size: clamp(28px, 4.4vw, 60px); text-transform: uppercase; line-height: 1; }
.ss-manifesto__last { border-bottom: 0 !important; }
.ss-manifesto__big {
    grid-column: 1 / -1; display: block; margin-top: 16px;
    font-family: var(--font-display); font-weight: 400; text-transform: uppercase; line-height: .88;
    font-size: clamp(64px, 15vw, 240px);
    background: linear-gradient(90deg, var(--orienta), var(--ispira), var(--elabora), var(--condividi));
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
html.high-contrast .ss-manifesto__big { background: none; color: var(--hc-accent); }
html.high-contrast .ss-equation__block, html.high-contrast .ss-moat__item, html.high-contrast .ss-made { border: 2px solid #FFFFFF; background: #000000; color: #FFFFFF; }
html.high-contrast .ss-moat__item--future { border-style: dashed; }
html.high-contrast .ss-equation__result, html.high-contrast .ss-moat__centre, html.high-contrast .ss-radial__centre { background: #000000; color: var(--hc-accent); border: 2px solid var(--hc-accent); }
html.high-contrast .ss-route__text, html.high-contrast .ss-route__num, html.high-contrast .ss-manifesto__num, html.high-contrast .ss-oem .ss-lead { color: #FFFFFF; }
@media (prefers-reduced-motion: reduce) {
    .js .ss-equation:not(.is-assembled) .ss-equation__block, .js .ss-equation:not(.is-assembled) .ss-equation__result { opacity: 1; transform: none; }
    .js .ss-radial .ss-radial__nodes li { opacity: 1; }
    .js .ss-radial .ss-radial__lines line { stroke-dashoffset: 0; }
}

/* ---------- project showcase (slider) ---------- */
.ss-showcase { background: var(--white); border-top: 1px solid var(--border); }
.ss-showcase__swiper { overflow: hidden; padding-bottom: 32px; }
.ss-project { display: flex; flex-direction: column; gap: 14px; text-decoration: none; color: inherit; }
.ss-project__media { display: block; aspect-ratio: 1754 / 1240; border-radius: var(--radius); overflow: hidden; background: #EFEFEC; border: 1px solid var(--border); }
.ss-project__media img { width: 100%; height: 100%; object-fit: contain; transition: transform 800ms var(--ease); }
.ss-project:hover .ss-project__media img { transform: scale(1.03); }
.ss-project__title { font-weight: 600; font-size: 17px; line-height: 1.3; }
.ss-project:hover .ss-project__title { text-decoration: underline; text-underline-offset: 3px; }
.ss-showcase__progress.swiper-pagination-progressbar { top: auto !important; bottom: 0 !important; height: 2px !important; background: var(--border); }
.ss-showcase__progress .swiper-pagination-progressbar-fill { background: var(--black); }

/* ---------- latest articles (slider) ---------- */
.ss-articles { border-top: 1px solid var(--border); }
.ss-articles__head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 16px 40px; margin-bottom: 40px; }
.ss-articles__head .ss-title { margin-bottom: 0; }
.ss-articles__controls { display: flex; align-items: center; gap: 12px; }
.ss-articles__nav {
    width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--black); background: transparent; color: var(--black);
    display: inline-flex; align-items: center; justify-content: center; cursor: pointer;
    transition: background var(--t-ui) var(--ease), color var(--t-ui) var(--ease);
}
.ss-articles__nav:hover { background: var(--black); color: var(--white); }
.ss-articles__pagination { display: flex; gap: 6px; position: static !important; width: auto !important; }
.ss-articles__pagination .swiper-pagination-bullet {
    width: 32px; height: 32px; margin: 0 !important; border-radius: 50%; opacity: 1; background: transparent;
    display: inline-flex; align-items: center; justify-content: center;
    font: 600 13px/1 var(--font-body); color: var(--grey); border: 1px solid var(--border);
}
.ss-articles__pagination .swiper-pagination-bullet-active { background: var(--black); color: var(--white); border-color: var(--black); }
.ss-articles__swiper { overflow: hidden; }
.ss-articles__swiper .swiper-slide { background: var(--bg); }
.ss-articles__slide { display: grid; gap: 40px; }
.ss-articles__list { display: grid; gap: 24px; }
.ss-articles__all { margin-top: 40px; }

.ss-article { display: flex; flex-direction: column; gap: 10px; text-decoration: none; color: inherit; }
.ss-article__media { display: block; border-radius: var(--radius); overflow: hidden; aspect-ratio: 16 / 10; background: var(--border); }
.ss-article__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 800ms var(--ease); }
.ss-article:hover .ss-article__media img { transform: scale(1.03); }
.ss-article__body { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.ss-article__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 14px; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--grey); margin-top: 6px; }
.ss-article__cat { font-weight: 600; color: var(--black); }
.ss-article__title {
    font-weight: 600; font-size: 17px; line-height: 1.35;
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.ss-article:hover .ss-article__title { text-decoration: underline; text-underline-offset: 3px; }
.ss-article__excerpt { color: var(--graphite); font-size: 16px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.ss-article__excerpt--sm { font-size: 14px; color: var(--grey); -webkit-line-clamp: 2; }
.ss-article__more { font-weight: 500; font-size: 15px; border-bottom: 1px solid currentColor; align-self: flex-start; padding-bottom: 2px; margin-top: 4px; }
.ss-article--featured .ss-article__title { font-family: var(--font-display); font-weight: 400; text-transform: uppercase; font-size: clamp(28px, 3vw, 40px); line-height: 1.02; }
.ss-article--featured:hover .ss-article__title { text-decoration: none; }
.ss-article--row { display: grid; grid-template-columns: 120px 1fr; gap: 16px; align-items: start; }
.ss-article--row .ss-article__media { aspect-ratio: 1 / 1; border-radius: 10px; }
.ss-article--row .ss-article__meta { margin-top: 0; }
.ss-article--row .ss-article__title { -webkit-line-clamp: 2; }
@media (min-width: 1024px) {
    .ss-articles__slide { grid-template-columns: 7fr 5fr; gap: 56px; }
    .ss-articles__list { gap: 20px; align-content: start; }
    .ss-articles__list li + li { border-top: 1px solid var(--border); padding-top: 20px; }
    .ss-article--row { grid-template-columns: 140px 1fr; }
}
@media (max-width: 479px) { .ss-article--row { grid-template-columns: 96px 1fr; } .ss-article--row .ss-article__excerpt--sm { display: none; } }

/* ---------- partner ecosystem ---------- */
.ss-ecosystem { background: var(--white); border-top: 1px solid var(--border); }
.ss-ecosystem__grid { display: grid; gap: 24px; margin-top: 16px; }
.ss-partner { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--bg); display: flex; flex-direction: column; }
.ss-partner__media { aspect-ratio: 16 / 9; overflow: hidden; background: var(--border); }
.ss-partner__media img { width: 100%; height: 100%; object-fit: cover; }
.ss-partner__body { padding: 28px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.ss-partner__name { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 400; font-size: 32px; text-transform: uppercase; line-height: 1; }
.ss-partner__name em { font-style: normal; color: var(--grey); }
.ss-partner__headline { font-weight: 600; font-size: 19px; line-height: 1.35; }
.ss-partner__text { color: var(--graphite); font-size: 16px; flex: 1; }
.ss-partner .ss-link { align-self: flex-start; margin-top: 8px; }
@media (min-width: 900px) { .ss-ecosystem__grid { grid-template-columns: 1fr 1fr; } .ss-partner__body { padding: 36px; } }

/* ---------- call me ---------- */
.ss-enquiry__head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 32px; margin-bottom: 24px; }
.ss-enquiry__head .ss-subtitle { margin: 0; }
.ss-callme { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; color: #C9CCCE; font-size: 15px; }
.ss-btn--outline-light { border-color: var(--white); color: var(--white); background: transparent; gap: 8px; }
.ss-btn--outline-light:hover { background: var(--white); color: var(--black); }
html.high-contrast .ss-callme { color: #FFFFFF; }

/* ---------- footer menus (CMS) ---------- */
.ss-footer__menus { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 32px; margin-top: 64px; padding-top: 40px; border-top: 1px solid var(--border); }
.ss-footer__col .ss-label { margin-bottom: 14px; }
.ss-footer__col ul { display: grid; gap: 8px; }
.ss-footer__col a { text-decoration: none; font-size: 15px; color: var(--graphite); }
.ss-footer__col a:hover { color: var(--black); text-decoration: underline; text-underline-offset: 3px; }
.ss-footer__menus + .ss-footer__bottom { margin-top: 48px; }

/* ---------- footer / lockup ---------- */
.ss-footer { background: var(--bg); padding: 96px 0 32px; border-top: 1px solid var(--border); }
.ss-lockup__name { font-size: clamp(56px, 12vw, 160px); line-height: .9; }
.ss-lockup__name sup { font-size: .3em; vertical-align: top; position: relative; top: .3em; }
.ss-lockup__cat { font-size: 13px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; margin-top: 16px; }
.ss-lockup__meta { display: flex; flex-wrap: wrap; gap: 6px 24px; margin-top: 24px; color: var(--grey); font-size: 15px; }
.ss-lockup__final { margin-top: 40px; font-size: clamp(20px, 2.4vw, 28px); font-weight: 500; max-width: 26ch; }
.ss-footer__bottom {
    margin-top: 80px; padding-top: 24px; border-top: 1px solid var(--border);
    display: flex; flex-wrap: wrap; gap: 12px 32px; justify-content: space-between; font-size: 13px; color: var(--grey);
}
.ss-footer__bottom ul { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.ss-footer__bottom a { text-decoration: none; }
.ss-footer__bottom a:hover { color: var(--black); }

/* ---------- reveal ---------- */
.js [data-reveal] {
    opacity: 0; transform: translateY(24px);
    transition: opacity 800ms var(--ease) var(--d, 0ms), transform 800ms var(--ease) var(--d, 0ms);
}
.js [data-reveal].is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition-duration: 1ms !important; transition-delay: 0ms !important; animation: none !important; }
    .js [data-reveal] { opacity: 1; transform: none; }
    .js .ss-stack:not(.is-assembled) .ss-stack__layer { opacity: 1; transform: none; margin-bottom: 0; }
    .js .ss-shift__card .ss-draw:not(.ss-draw--soft) { stroke-dashoffset: 0; }
    .js .ss-shift__card .ss-draw--soft { opacity: .7; }
    .js .ss-action .ss-action__bar { transform: none; }
    .js .ss-pin { opacity: 1; transform: none; }
}

/* print */
@media print {
    .ss-header, .ss-enquiry, #cookie-banner { display: none !important; }
    .js [data-reveal] { opacity: 1 !important; transform: none !important; }
}

/* ==========================================================================
   Themes — same switch as the rest of the site (html.light | html.dark | html.high-contrast + .dark)
   ========================================================================== */
html.dark {
    --bg: #111214;
    --white: #1A1B1E;
    --black: #F3F3F0;
    --graphite: #D3D5D6;
    --grey: #A3A8AB;
    --border: #2C2E31;
    color-scheme: dark;
}
/* sections that are dark by design keep their original palette */
html.dark .ss-dark {
    --bg: #F7F7F5; --white: #FFFFFF; --black: #101112; --graphite: #27292B; --grey: #6B6F72; --border: #E7E8E5;
    background: #0A0A0B; color: #FFFFFF;
}
html.dark .ss-header { background: rgba(17, 18, 20, .86); }
html.dark .ss-header.is-menu-open { background: var(--bg); }
html.dark .ss-ph { background: repeating-linear-gradient(135deg, #18191C 0 12px, #1C1D20 12px 24px); border-color: #34363A; }
html.dark .ss-project__media { background: #1C1D20; }
html.dark .ss-header .auth-dropdown-menu, html.dark .ss-lang ul { box-shadow: 0 18px 40px rgba(0, 0, 0, .5); }
html.dark .ss-header .auth-menu-item-logout, html.dark .ss-header .auth-login-error { color: #FF8A80; }
html.dark .ss-footer { background: #0D0E10; }

/* high contrast (low vision): black / white / yellow, no muted greys, visible focus and links */
html.high-contrast {
    --bg: #000000;
    --white: #000000;
    --black: #FFFFFF;
    --graphite: #FFFFFF;
    --grey: #FFFFFF;
    --border: #FFFFFF;
    --hc-accent: #FFFF00;
    color-scheme: dark;
}
html.high-contrast .ss-dark {
    --bg: #000000; --white: #000000; --black: #FFFFFF; --graphite: #FFFFFF; --grey: #FFFFFF; --border: #FFFFFF;
    background: #000000; color: #FFFFFF;
}
html.high-contrast body.ss-body { font-size: 20px; }
html.high-contrast .ss-header { background: #000000; border-bottom: 2px solid #FFFFFF; -webkit-backdrop-filter: none; backdrop-filter: none; }
html.high-contrast a:not(.ss-btn) { color: var(--hc-accent); text-decoration: underline; text-underline-offset: 3px; }
html.high-contrast .ss-nav__list a, html.high-contrast .ss-article, html.high-contrast .ss-project { color: #FFFFFF; }
html.high-contrast .ss-article__title, html.high-contrast .ss-project__title { color: var(--hc-accent); text-decoration: underline; }
html.high-contrast .ss-muted, html.high-contrast .ss-dark .ss-muted, html.high-contrast .ss-hero__line:first-child { color: #FFFFFF; }
html.high-contrast .ss-btn { border: 2px solid var(--hc-accent); }
html.high-contrast .ss-btn--dark, html.high-contrast .ss-btn--light { background: var(--hc-accent); color: #000000; }
html.high-contrast .ss-btn--line { color: var(--hc-accent); }
html.high-contrast :focus-visible { outline: 3px solid var(--hc-accent) !important; outline-offset: 3px; }
html.high-contrast .ss-shift__card, html.high-contrast .ss-mode, html.high-contrast .ss-action,
html.high-contrast .ss-stack__layer, html.high-contrast .ss-ip, html.high-contrast .ss-ph { border: 2px solid #FFFFFF; background: #000000; color: #FFFFFF; }
html.high-contrast .ss-stack__items, html.high-contrast .ss-stack__num, html.high-contrast .ss-shift__card--coop .ss-label,
html.high-contrast .ss-shift__card--coop .ss-shift__caption, html.high-contrast .ss-path__who, html.high-contrast .ss-field label,
html.high-contrast .ss-dark .ss-eyebrow, html.high-contrast .ss-dark .ss-label { color: #FFFFFF; }
html.high-contrast .ss-final__accent { background: none; color: var(--hc-accent); }
html.high-contrast .ss-field input, html.high-contrast .ss-field select, html.high-contrast .ss-field textarea,
html.high-contrast .ss-header .auth-form-input { background: #000000; border: 2px solid #FFFFFF; color: #FFFFFF; }
html.high-contrast .ss-header .auth-login-button { background: var(--hc-accent); color: #000000; }
html.high-contrast .ss-header .auth-dropdown-menu, html.high-contrast .ss-lang ul { border: 2px solid #FFFFFF; }
html.high-contrast .ss-header .auth-menu-item-logout, html.high-contrast .ss-header .auth-login-error,
html.high-contrast .ss-form__status.is-error { color: #FF6B6B; }
html.high-contrast .ss-pin__label { background: #000000; color: var(--hc-accent); border: 2px solid var(--hc-accent); }
html.high-contrast .ss-pin__dot { background: var(--hc-accent); }
html.high-contrast .ss-draw, html.high-contrast .ss-shift__card--coop .ss-draw { stroke: #FFFFFF; }
html.high-contrast .ss-node--person { stroke: #FFFFFF; }
html.high-contrast .ss-ph svg, html.high-contrast .ss-ph span { stroke: #FFFFFF; color: #FFFFFF; }
html.high-contrast .ss-steps__fill, html.high-contrast .ss-step.is-active::before { background: var(--hc-accent); border-color: var(--hc-accent); }
html.high-contrast .ss-articles__pagination .swiper-pagination-bullet-active { background: var(--hc-accent); color: #000000; border-color: var(--hc-accent); }
html.high-contrast .ss-showcase__progress .swiper-pagination-progressbar-fill { background: var(--hc-accent); }
html.high-contrast .ss-theme { border: 2px solid var(--hc-accent); color: var(--hc-accent); }
html.high-contrast .ss-footer { background: #000000; border-top: 2px solid #FFFFFF; }
html.high-contrast img { filter: none; }