/* Linking Projects — design system (navy + arancio, da logo/mockup).
   Token → base → componenti → pagine. Niente framework CSS. */
:root {
  --navy-900: #02264d;
  --navy-800: #0a1f3d;
  --navy-700: #0f2c52;
  --navy-600: #1b3a66;
  --orange-500: #fe7315;
  --orange-600: #ec6208;
  --orange-100: #fff1e6;
  --ink: #0f1b2d;
  --muted: #5b6779;
  --line: #e8ecf2;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --blue: #3b82f6; --purple: #8b5cf6; --green: #22c55e;
  --danger: #dc2626; --ok: #16a34a;
  --radius: 12px; --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(15,27,45,.04), 0 8px 24px rgba(15,27,45,.06);
  --shadow-lg: 0 24px 60px rgba(2,38,77,.18);
  --container: 1180px;
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--bg); line-height: 1.55; -webkit-font-smoothing: antialiased; }
img, svg { max-width: 100%; }
a { color: inherit; }
h1, h2, h3, h4 { line-height: 1.15; margin: 0 0 .5em; color: var(--navy-800); letter-spacing: -.02em; }
p { margin: 0 0 1em; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.ico { flex: none; }
.accent { color: var(--orange-500); }
.muted { color: var(--muted); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ── Bottoni ───────────────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px; border-radius: var(--radius-sm); font: 600 15px/1 var(--font); text-decoration: none; border: 1.5px solid transparent; cursor: pointer; transition: background .15s, border-color .15s, color .15s, transform .05s; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--orange-500); color: #fff; }
.btn-primary:hover { background: var(--orange-600); }
.btn-outline { background: #fff; color: var(--navy-800); border-color: #f3c9a8; }
.btn-outline:hover { border-color: var(--orange-500); color: var(--orange-600); }
.btn-ghost { background: transparent; color: var(--navy-800); }
.btn-ghost:hover { background: var(--bg-soft); }
.btn-danger { background: #fff; color: var(--danger); border-color: #f3b4b4; }
.btn-sm { padding: 8px 14px; font-size: 13.5px; }
.btn-block { width: 100%; }
:focus-visible { outline: 3px solid rgba(254,115,21,.45); outline-offset: 2px; border-radius: 6px; }

/* ── Navbar pubblica ───────────────────────────────────────── */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92); backdrop-filter: blur(8px); border-bottom: 1px solid transparent; }
.site-header.scrolled { border-bottom-color: var(--line); }
.nav { display: flex; align-items: center; gap: 32px; height: 76px; }
.nav__logo img { height: 40px; width: auto; display: block; }
.nav__links { display: flex; gap: 30px; margin: 0 auto 0 24px; }
.nav__links a { text-decoration: none; font-weight: 600; font-size: 15px; color: var(--navy-800); }
.nav__links a:hover { color: var(--orange-600); }
.nav__actions { display: flex; align-items: center; gap: 22px; }
.nav__login { font-weight: 600; font-size: 15px; text-decoration: none; color: var(--navy-800); }
.nav__toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; color: var(--navy-800); }
@media (max-width: 880px) {
  .nav { gap: 12px; }
  .nav__toggle { display: inline-flex; margin-left: auto; }
  .nav__links, .nav__actions { display: none; }
  .nav.open { flex-wrap: wrap; height: auto; padding: 14px 0 20px; }
  .nav.open .nav__links, .nav.open .nav__actions { display: flex; flex-direction: column; width: 100%; margin: 0; align-items: flex-start; gap: 14px; }
  .nav.open .nav__actions { flex-direction: row; align-items: center; }
}

/* ── Hero ──────────────────────────────────────────────────── */
.hero { padding: 56px 0 72px; }
.hero__grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(38px, 5vw, 56px); font-weight: 800; margin-bottom: 20px; }
.hero__lead { font-size: 18px; color: var(--muted); max-width: 460px; margin-bottom: 28px; }
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }
.hero__perks { display: flex; gap: 28px; flex-wrap: wrap; }
.perk { display: flex; align-items: center; gap: 10px; color: var(--navy-800); }
.perk b { display: block; font-size: 13px; line-height: 1.2; }
.perk span { font-size: 12.5px; color: var(--muted); }
@media (max-width: 960px) { .hero__grid { grid-template-columns: 1fr; gap: 40px; } .hero { padding-top: 24px; } }

/* Mockup app (hero) — ricostruito in HTML/CSS */
.appwin { display: grid; grid-template-columns: 112px 1fr; background: #fff; border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow-lg); overflow: hidden; font-size: 10px; min-height: 340px; }
.appwin__side { background: var(--navy-800); color: #cfd8e6; padding: 14px 10px; display: flex; flex-direction: column; gap: 3px; }
.appwin__side img { height: 24px; width: auto; align-self: flex-start; margin: 0 0 12px 4px; }
.appwin__side a { display: flex; align-items: center; gap: 7px; padding: 6px 8px; border-radius: 6px; text-decoration: none; color: inherit; pointer-events: none; }
.appwin__side a.on { background: rgba(255,255,255,.1); color: #fff; }
.appwin__side .ico { width: 11px; height: 11px; }
.appwin__me { margin-top: auto; display: flex; align-items: center; gap: 6px; padding: 8px 4px 0; color: #fff; }
.avatar-dot { width: 22px; height: 22px; border-radius: 50%; background: linear-gradient(135deg, #fbbf77, #fe7315); flex: none; }
.appwin__main { padding: 12px 14px 14px; }
.appwin__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.appwin__top b { font-size: 12px; color: var(--navy-800); }
.appwin__tabs { display: flex; gap: 14px; border-bottom: 1px solid var(--line); margin-bottom: 8px; color: var(--muted); }
.appwin__tabs span { padding: 4px 0 6px; }
.appwin__tabs .on { color: var(--navy-800); font-weight: 700; border-bottom: 2px solid var(--orange-500); }
.gantt { position: relative; display: grid; grid-template-columns: 62px 1fr; row-gap: 11px; padding-top: 4px;
  background-image: repeating-linear-gradient(to right, transparent 0 18px, #f0f3f8 18px 19px); background-size: calc(100% - 62px) 100%; background-position: 62px 0; background-repeat: no-repeat; }
.gantt .lbl { color: var(--ink); align-self: center; }
.gantt .track { position: relative; height: 15px; }
.gantt .bar { position: absolute; top: 0; height: 15px; border-radius: 4px; }
.gantt .bar i { position: absolute; right: -4px; top: -2px; width: 19px; height: 19px; border-radius: 50%; border: 2px solid #fff; background: linear-gradient(135deg, #fbbf77, #c2622b); }
.gantt .today { position: absolute; top: -4px; bottom: -4px; left: calc(62px + (100% - 62px) * .36); width: 1.5px; background: var(--orange-500); }
.b-blue { background: var(--blue); } .b-orange { background: var(--orange-500); } .b-purple { background: var(--purple); } .b-green { background: var(--green); }

/* ── Sezioni ───────────────────────────────────────────────── */
.section { padding: 72px 0; }
.section--soft { background: var(--bg-soft); }
.divider { height: 1px; background: var(--line); border: 0; margin: 0; }
.features { display: grid; grid-template-columns: .9fr 2fr; gap: 56px; align-items: start; }
.features h2 { font-size: clamp(28px, 3.4vw, 38px); font-weight: 800; }
.features__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.fcard { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 20px; box-shadow: var(--shadow); }
.fcard .ico { margin-bottom: 18px; }
.fcard h3 { font-size: 15.5px; font-weight: 700; margin-bottom: 6px; }
.fcard p { font-size: 13.5px; color: var(--muted); margin: 0; }
.c-orange { color: var(--orange-500); } .c-blue { color: var(--blue); } .c-purple { color: var(--purple); } .c-green { color: #10b981; }
@media (max-width: 980px) { .features { grid-template-columns: 1fr; gap: 28px; } .features__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .features__grid { grid-template-columns: 1fr; } }


.cta { border: 1px solid var(--line); border-radius: 18px; padding: 36px 44px; display: grid; grid-template-columns: 1fr 1.1fr; gap: 28px; align-items: center; box-shadow: var(--shadow); background: #fff; }
.cta h2 { font-size: 26px; font-weight: 800; margin-bottom: 8px; }
.cta p { margin: 0; font-weight: 600; font-size: 14px; color: var(--navy-800); }
.cta form { display: flex; gap: 12px; }
.cta input[type=email] { flex: 1; min-width: 0; }
@media (max-width: 800px) { .cta { grid-template-columns: 1fr; padding: 28px 24px; } .cta form { flex-direction: column; } }

/* ── Form (usati in landing, auth, app) ────────────────────── */
.field { margin-bottom: 16px; }
label, .label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 6px; color: var(--navy-800); }
input[type=text], input[type=email], input[type=password], input[type=url], input[type=tel], input[type=number], input[type=date], input[type=search], select, textarea {
  width: 100%; padding: 12px 14px; font: 400 15px var(--font); color: var(--ink); background: #fff; border: 1.5px solid var(--line); border-radius: var(--radius-sm); transition: border-color .15s, box-shadow .15s; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--orange-500); box-shadow: 0 0 0 3px rgba(254,115,21,.15); }
input::placeholder { color: #98a3b3; }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; font-size: 13.5px; color: var(--muted); }
.check input { margin-top: 3px; accent-color: var(--orange-500); width: 16px; height: 16px; flex: none; }
.check a { color: var(--orange-600); }
.errorlist, .field-error { list-style: none; margin: 6px 0 0; padding: 0; color: var(--danger); font-size: 13px; }
.help { font-size: 12.5px; color: var(--muted); margin-top: 6px; }

/* ── Footer scuro, schema a 3 colonne come Linking Space (marchio / collegamenti / seguici + riga finale) ── */
.site-footer { background: var(--navy-800); color: #b7c4d8; padding-top: 56px; margin-top: 72px; }
.footer__top { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer__logo { height: 40px; width: auto; display: block; margin-bottom: 16px; }
.footer__desc { font-size: 14px; line-height: 1.6; max-width: 340px; margin: 0; }
.footer__col h4 { font-size: 15px; font-weight: 700; color: #fff; margin: 0 0 16px; letter-spacing: 0; }
.footer__col a, .footer__col .linklike { display: block; font-size: 14px; color: #b7c4d8; text-decoration: none; margin-bottom: 12px; transition: color .15s; }
.footer__col a:hover, .footer__col .linklike:hover { color: #fff; }
.footer__made { font-size: 14px; margin: 0 0 16px; }
.footer__made .heart { color: #f43f5e; }
.footer__social { display: flex; gap: 10px; }
.footer__social a { width: 36px; height: 36px; border-radius: 8px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14); display: grid; place-items: center; color: #b7c4d8; margin: 0; }
.footer__social a:hover { color: #fff; border-color: rgba(255,255,255,.5); }
.footer__social svg { width: 16px; height: 16px; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 16px 0; text-align: center; font-size: 13px; color: #b7c4d8; }
.footer__bottom .sep { margin: 0 6px; color: rgba(255,255,255,.3); }
.footer__bottom a, .footer__bottom .linklike { color: #b7c4d8; text-decoration: none; transition: color .15s; }
.footer__bottom a:hover, .footer__bottom .linklike:hover { color: #fff; }
.linklike { background: none; border: 0; padding: 0; font: inherit; cursor: pointer; text-align: left; }
@media (max-width: 760px) { .footer__top { grid-template-columns: 1fr 1fr; } .footer__brand { grid-column: 1 / -1; } }
@media (max-width: 480px) { .footer__top { grid-template-columns: 1fr; } }

/* ── Messaggi ──────────────────────────────────────────────── */
.messages { list-style: none; margin: 0 0 20px; padding: 0; display: grid; gap: 10px; }
.msg { padding: 12px 16px; border-radius: var(--radius-sm); font-size: 14px; border: 1px solid var(--line); background: var(--bg-soft); }
.msg.success { background: #ecfdf3; border-color: #b7ebc9; color: #14532d; }
.msg.error { background: #fef2f2; border-color: #f7c1c1; color: #7f1d1d; }
.msg.warning { background: #fffbeb; border-color: #f6dd9d; color: #78350f; }
.msg.info { background: #eff6ff; border-color: #bcd4fb; color: #1e3a8a; }
.public-messages { padding-top: 12px; }