/* ===== Natura Digitale ===== */
@font-face{font-family:"Fraunces";src:url(../fonts/fraunces-latin-wght-normal.woff2) format("woff2");font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:"Fraunces";src:url(../fonts/fraunces-latin-wght-italic.woff2) format("woff2");font-weight:100 900;font-style:italic;font-display:swap}
@font-face{font-family:"Inter";src:url(../fonts/inter-latin-wght-normal.woff2) format("woff2");font-weight:100 900;font-style:normal;font-display:swap}

:root{
  --deep:#0f2a2e;      /* mare profondo */
  --deep-2:#173b40;
  --pine:#2f5d50;      /* pineta */
  --sand:#f4ede1;      /* sabbia */
  --sand-2:#e9dfcd;
  --paper:#fbf8f2;
  --ink:#1b2422;
  --ink-soft:#4b5754;
  --sunset:#e2643b;    /* tramonto */
  --sunset-2:#f2a65a;
  --line:rgba(27,36,34,.12);
  --radius:18px;
  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --wrap:1180px;
  --pad:clamp(16px,4vw,40px);
}

*,*::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 + 12px,18.5px);line-height:1.65;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.08;letter-spacing:-.015em;margin:0}
h2{font-size:clamp(2rem,3.6vw,3.3rem)}
h3{font-size:1.45rem}
p{margin:0 0 1.1em}
em{font-style:italic}
::selection{background:var(--sunset-2);color:var(--deep)}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}
.narrow{max-width:820px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;left:-999px;top:8px;background:var(--deep);color:#fff;padding:.6em 1em;border-radius:8px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--sunset-2);outline-offset:3px;border-radius:6px}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;gap:.5em;padding:.85em 1.4em;border-radius:999px;font-weight:600;font-size:.95rem;text-decoration:none;transition:transform .25s,background .25s,color .25s,box-shadow .25s}
.btn:hover{transform:translateY(-2px)}
.btn-light{background:var(--paper);color:var(--deep);box-shadow:0 10px 30px -10px rgba(0,0,0,.4)}
.btn-light:hover{background:#fff}
.btn-ghost{color:#fff;border:1.5px solid rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-lg{padding:1.05em 1.8em;font-size:1.02rem}

/* ---- Header ---- */
.site-header{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .35s,box-shadow .35s,color .35s;color:#fff}
.site-header.scrolled{background:rgba(251,248,242,.88);backdrop-filter:blur(14px) saturate(1.4);-webkit-backdrop-filter:blur(14px) saturate(1.4);color:var(--ink);box-shadow:0 1px 0 var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:inline-flex;align-items:center;gap:.55em;text-decoration:none;font-family:var(--serif);font-size:1.3rem;font-weight:600;letter-spacing:-.01em}
.brand em{font-weight:400;color:var(--sunset-2);margin-left:.08em}
.site-header.scrolled .brand em{color:var(--sunset)}
.brand-mark{width:28px;height:28px;color:var(--sunset-2)}
.site-header.scrolled .brand-mark{color:var(--sunset)}
.nav{display:flex;align-items:center;gap:clamp(14px,2.2vw,30px)}
.nav a{text-decoration:none;font-size:.93rem;font-weight:500;opacity:.9;position:relative}
.nav a:not(.nav-cta)::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:1.5px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .3s}
.nav a:not(.nav-cta):hover::after{transform:scaleX(1)}
.nav-cta{padding:.5em 1.1em;border-radius:999px;background:var(--sunset);color:#fff;opacity:1!important}
.nav-cta:hover{background:#cf5530}
.nav-toggle{display:none;background:none;border:0;width:44px;height:44px;color:inherit;cursor:pointer;position:relative}
.nav-toggle i{position:absolute;left:11px;right:11px;height:2px;background:currentColor;transition:transform .3s,top .3s}
.nav-toggle i:first-of-type{top:17px}.nav-toggle i:last-of-type{top:25px}
.nav-toggle[aria-expanded=true] i:first-of-type{top:21px;transform:rotate(45deg)}
.nav-toggle[aria-expanded=true] i:last-of-type{top:21px;transform:rotate(-45deg)}

@media (max-width:760px){
  .nav-toggle{display:block}
  .nav{position:fixed;inset:72px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;background:var(--paper);color:var(--ink);padding:8px var(--pad) 22px;box-shadow:0 20px 40px -20px rgba(0,0,0,.3);transform:translateY(-8px);opacity:0;visibility:hidden;transition:.25s}
  .nav.open{transform:none;opacity:1;visibility:visible}
  .nav a{padding:14px 0;border-bottom:1px solid var(--line);font-size:1.05rem}
  .nav a::after{display:none}
  .nav-cta{margin-top:14px;text-align:center;border:0!important}
  .site-header:has(.nav.open){background:var(--paper);color:var(--ink)}
}

/* ---- Hero ---- */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;color:#fff;overflow:hidden;isolation:isolate}
.hero picture,.hero picture img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:52% 45%;z-index:-2}
.hero picture img{animation:slowzoom 22s ease-out both}
@keyframes slowzoom{from{transform:scale(1.08)}to{transform:scale(1)}}
.hero-shade{position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(15,42,46,.55) 0%,rgba(15,42,46,0) 28%,rgba(15,42,46,.1) 55%,rgba(15,42,46,.82) 100%)}
.hero-content{width:100%;padding-bottom:clamp(80px,13vh,140px)}
.eyebrow{text-transform:uppercase;letter-spacing:.22em;font-size:.76rem;font-weight:600;opacity:.85;margin-bottom:1.2em}
.hero h1{font-size:clamp(3rem,8.5vw,7.4rem);font-weight:400;line-height:.98;letter-spacing:-.03em;text-shadow:0 2px 40px rgba(0,0,0,.25)}
.hero h1 em{color:var(--sunset-2);font-weight:400}
.hero-lead{max-width:34ch;font-size:clamp(1.05rem,1.4vw,1.3rem);margin:1.4em 0 1.8em;opacity:.95}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.scroll-hint{position:absolute;left:50%;bottom:26px;width:26px;height:42px;border:1.5px solid rgba(255,255,255,.6);border-radius:14px;transform:translateX(-50%)}
.scroll-hint span{position:absolute;left:50%;top:8px;width:3px;height:8px;margin-left:-1.5px;border-radius:2px;background:#fff;animation:hint 1.8s infinite}
@keyframes hint{0%{opacity:0;transform:translateY(0)}40%{opacity:1}100%{opacity:0;transform:translateY(14px)}}
@media (max-width:760px){.scroll-hint{display:none}}

/* ---- Sections ---- */
.section{padding:clamp(80px,12vw,150px) 0}
.section-sand{background:var(--sand)}
.section-head{max-width:720px;margin-bottom:clamp(40px,6vw,70px)}
.section-sub{color:var(--ink-soft);margin-top:1em;font-size:1.08em}
.kicker{font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;font-weight:600;color:var(--pine);margin-bottom:1.1em}
.kicker-light{color:var(--sunset-2)}

/* timeline */
.timeline{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.timeline li{padding:28px 26px 10px 0;position:relative}
.timeline li::before{content:"";position:absolute;top:-6px;left:0;width:11px;height:11px;border-radius:50%;background:var(--paper);border:2px solid var(--pine)}
.tl-when{display:block;font-family:var(--serif);font-size:1.6rem;font-style:italic;color:var(--pine);margin-bottom:.4em}
.timeline p{font-size:1.02em;color:var(--ink-soft)}
.timeline strong{color:var(--ink);font-weight:600}
.tl-question::before{background:var(--sunset)!important;border-color:var(--sunset)!important}
.tl-question .tl-when{color:var(--sunset)}
.tl-question p{font-family:var(--serif);font-size:1.5rem;line-height:1.25;color:var(--ink)}
@media (max-width:900px){
  .timeline{grid-template-columns:1fr;border-top:0;border-left:1px solid var(--line);margin-left:6px}
  .timeline li{padding:0 0 30px 30px}
  .timeline li::before{top:10px;left:-6px}
}

/* manifesto */
.manifesto{background:var(--deep);color:var(--sand);padding:clamp(90px,13vw,170px) 0;position:relative;overflow:hidden}
.manifesto::before{content:"";position:absolute;width:70vmax;height:70vmax;right:-25vmax;top:-30vmax;border-radius:50%;background:radial-gradient(circle,rgba(226,100,59,.28),rgba(226,100,59,0) 62%);pointer-events:none}
.manifesto-intro{font-size:1.1em;opacity:.75;max-width:40ch;margin-bottom:clamp(3.2rem,6vw,5rem)}
.manifesto blockquote{margin:0 0 clamp(50px,7vw,80px);padding:0;position:relative}
.manifesto blockquote p{font-family:var(--serif);font-style:italic;font-weight:350;font-size:clamp(1.8rem,4vw,3.6rem);line-height:1.18;letter-spacing:-.02em;color:#fff;max-width:22em;margin:0}
.manifesto blockquote::before{content:"“";position:absolute;left:-.08em;top:-.42em;font-family:var(--serif);font-size:clamp(6rem,12vw,11rem);color:var(--sunset);opacity:.5;line-height:1;z-index:0;pointer-events:none}
.manifesto blockquote p{position:relative}
.pillars{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(244,237,225,.15);border:1px solid rgba(244,237,225,.15);border-radius:var(--radius);overflow:hidden}
.pillars li{background:var(--deep);padding:24px 22px}
.pillars b{display:block;font-family:var(--serif);font-weight:500;font-size:1.35rem;color:var(--sunset-2);margin-bottom:.2em}
.pillars span{font-size:.92rem;opacity:.75}
@media (max-width:760px){.pillars{grid-template-columns:1fr 1fr}}

/* split */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(36px,6vw,90px);align-items:center}
.split-media{margin:0}
.split-media img{width:100%;border-radius:var(--radius);box-shadow:0 30px 60px -30px rgba(15,42,46,.45);transform:rotate(-1.2deg)}
.split-media figcaption{font-size:.88rem;color:var(--ink-soft);margin-top:1.1em;font-style:italic;font-family:var(--serif)}
.split-text h2{margin-bottom:.7em}
.highlight{font-family:var(--serif);font-size:clamp(1.4rem,2.2vw,1.85rem);line-height:1.25;color:var(--pine);border-left:3px solid var(--sunset);padding-left:.8em;margin:1.3em 0}
@media (max-width:900px){.split{grid-template-columns:1fr}}

/* compare */
.compare{display:grid;grid-template-columns:1fr auto 1.25fr;align-items:center;gap:22px;margin-top:clamp(70px,10vw,120px)}
.compare-card{border-radius:var(--radius);padding:clamp(24px,3vw,38px)}
.compare-card h3{margin-bottom:.5em}
.compare-card p{margin:0}
.compare-card.muted{background:var(--sand);color:var(--ink-soft)}
.compare-card.muted h3{text-decoration:line-through;text-decoration-color:var(--sunset);text-decoration-thickness:2px}
.compare-card.accent{background:var(--pine);color:#fff;box-shadow:0 30px 60px -30px rgba(47,93,80,.7)}
.compare-card.accent h3{color:var(--sunset-2)}
.compare-vs{font-family:var(--serif);font-style:italic;font-size:1.6rem;color:var(--ink-soft)}
@media (max-width:760px){.compare{grid-template-columns:1fr}.compare-vs{text-align:center}}

.personal{font-family:var(--serif);font-size:clamp(1.3rem,2.1vw,1.7rem);line-height:1.35;text-align:center;margin:clamp(60px,9vw,100px) auto 0;color:var(--ink)}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-auto-rows:minmax(200px,auto);gap:clamp(12px,1.8vw,22px)}
.g-item{margin:0;display:flex;flex-direction:column;min-width:0}
.g-wide{grid-column:span 2}
.g-tall{grid-row:span 2}
.g-open{all:unset;cursor:zoom-in;display:block;border-radius:var(--radius);overflow:hidden;flex:1;position:relative;background:var(--sand-2)}
.g-open:focus-visible{outline:3px solid var(--sunset);outline-offset:3px}
.g-open{min-height:220px}
.g-open picture{position:absolute;inset:0;display:block}
.g-open img{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.g-open:hover img{transform:scale(1.05)}
.g-item figcaption{font-family:var(--serif);font-size:1.12rem;padding:.7em .2em 0}
.g-item figcaption b{font-weight:600;color:var(--pine)}
.g-wide .g-open{aspect-ratio:600/292}
.g-item:not(.g-wide):not(.g-tall) .g-open{aspect-ratio:4/3}
@media (max-width:900px){
  .gallery{grid-template-columns:1fr 1fr}
  .g-wide{grid-column:span 2}
  .g-tall{grid-row:auto}
  .g-tall .g-open{aspect-ratio:3/4}
}
@media (max-width:560px){
  .gallery{grid-template-columns:1fr}
  .g-wide{grid-column:auto}
}

/* cta */
.cta{background:linear-gradient(135deg,var(--sunset) 0%,#c94f35 55%,var(--deep-2) 140%);color:#fff;padding:clamp(80px,11vw,140px) 0;text-align:center}
.cta h2{font-size:clamp(2.1rem,4.6vw,4rem);font-style:italic;font-weight:400;margin-bottom:.5em}
.cta p{font-size:1.1em;opacity:.92;margin-bottom:2em}
.cta .btn-light{color:var(--sunset)}
.cta .btn{white-space:normal;text-align:center;justify-content:center}

/* footer */
.site-footer{background:var(--deep);color:rgba(244,237,225,.8);padding:56px 0 40px;font-size:.92rem}
.footer-inner{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:12px 30px}
.footer-inner p{margin:0}
.brand-small{font-size:1.2rem;color:var(--sand)}
.footer-meta{width:100%;border-top:1px solid rgba(244,237,225,.15);padding-top:20px;margin-top:20px!important;font-size:.84rem;opacity:.75}
.footer-meta a{text-decoration-color:rgba(244,237,225,.4);text-underline-offset:3px}

/* lightbox */
.lightbox{border:0;padding:0;background:transparent;max-width:min(94vw,1100px);max-height:92vh;overflow:visible}
.lightbox::backdrop{background:rgba(10,24,26,.88);backdrop-filter:blur(4px)}
.lightbox img{max-height:82vh;width:auto;margin:0 auto;border-radius:12px}
.lb-cap{color:#fff;text-align:center;font-family:var(--serif);font-size:1.2rem;margin:.8em 0 0}
.lb-close{position:absolute;top:-48px;right:0;width:40px;height:40px;border-radius:50%;border:0;background:rgba(255,255,255,.15);color:#fff;font-size:1.7rem;line-height:1;cursor:pointer}
.lb-close:hover{background:rgba(255,255,255,.3)}

/* reveal */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .js .reveal{opacity:1;transform:none}
}

/* 404 */
.page-404{min-height:100svh;display:grid;place-items:center;text-align:center;background:var(--deep);color:var(--sand);padding:var(--pad)}
.page-404 h1{font-size:clamp(4rem,14vw,9rem);font-style:italic;color:var(--sunset-2);font-weight:400}
.page-404 p{font-size:1.15rem;opacity:.85;margin:1em 0 2em}