/* ═══════════════════════════════════════════════════════════════════
 * Spiegamelo Impeccable Design System — production
 * Source contract: /DESIGN.md
 * Version: 1.0.0  (deploy: 2026-04-28)
 *
 * Token map (do NOT change without updating DESIGN.md first):
 *   Color: ink/cream/blue/yellow + tinted neutrals (NO pure greys)
 *   Type:  Sora (sans) + Newsreader (serif) + Caveat (hand) + JetBrains Mono
 *   Shadow: hard-offset 3px 3px 0 (NEVER blur)
 *   Motion: ease cubic-bezier(.16,1,.3,1) + spring (max 1.2)
 *
 * Anti-patterns blocked: Inter primary font, glassmorphism, blur shadow,
 * gradient hero, side-stripe border-left on cards, bounce easing >1.3.
 *
 * Accessibility floor:
 *   - prefers-reduced-motion respected (line 130)
 *   - :focus-visible on all interactive elements
 *   - Touch targets ≥ 44x44px on mobile nav
 *   - Form inputs ≥ 48px height
 * ═══════════════════════════════════════════════════════════════════ */

:root{
  /* Neutrals (warm-tinted, mai pure greys) */
  --ink:#0D1117; --ink-mid:#3D4450; --ink-light:#7C8495; --ink-soft:#B5BCCB;
  --cream:#FAF8F3; --cream-warm:#F5F0E8; --paper:#FFFEF9; --white:#FFFFFF;

  /* Brand & accent */
  --blue:#1A6CFF; --blue-hover:#0050E0; --blue-light:#E8F0FF; --blue-glow:rgba(26,108,255,.14);
  --yellow:#FFD60A; --yellow-light:#FFF8D6; --yellow-mid:#E5BE00;

  /* Status */
  --green:#00875A; --green-light:#D6F5E8;
  --coral:#E5484D; --coral-light:#FFE5E5;

  --line:rgba(13,17,23,.1);

  /* Font stacks — fallback ONLY per FOUC, mai system-ui come default brand */
  --sans:'Sora',-apple-system,BlinkMacSystemFont,sans-serif;
  --serif:'Newsreader',Georgia,'Times New Roman',serif;
  --hand:'Caveat','Comic Sans MS',cursive;
  --mono:'JetBrains Mono','SF Mono',Consolas,monospace;

  /* Motion */
  --ease:cubic-bezier(0.16,1,0.3,1);
  --spring:cubic-bezier(0.34,1.2,0.64,1);  /* calmo, non bounce */

  /* Shadows: TUTTE hard-offset, mai blur (firma del brand) */
  --shadow:3px 3px 0 rgba(13,17,23,.08);
  --shadow-md:4px 4px 0 rgba(13,17,23,.12);
  --shadow-lg:6px 6px 0 rgba(13,17,23,.16);
  --shadow-hover:5px 5px 0 rgba(26,108,255,.20);

  --rule:3px solid var(--ink);
  --rule-light:1px solid rgba(13,17,23,.1);
}

/* RESET ──────────────────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body.impc{font-family:var(--sans);background:var(--cream);color:var(--ink);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;}
body.impc img,body.impc svg{display:block;max-width:100%;}
body.impc a{color:var(--blue);text-decoration:none;}
body.impc a:hover{color:var(--blue-hover);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px;}

/* WRAP ──────────────────────────────────────────────────────────── */
.impc-wrap{max-width:880px;margin:0 auto;padding:0 24px;}
.impc-wrap-narrow{max-width:680px;margin:0 auto;padding:0 24px;}
.impc-wrap-wide{max-width:1080px;margin:0 auto;padding:0 24px;}

/* TOPBAR ─────────────────────────────────────────────────────────── */
.impc-topbar{background:var(--ink);color:#fff;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:18px;}
.impc-topbar-logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:#fff;}
.impc-topbar-logo svg{width:36px;height:36px;transition:transform .3s var(--spring);}
.impc-topbar-logo:hover svg{transform:rotate(-6deg) scale(1.06);}
.impc-topbar-logo .lt{font-family:var(--sans);font-weight:700;font-size:1.05rem;letter-spacing:-.02em;color:#fff;}
.impc-topbar-logo .lt span{color:var(--yellow);}
.impc-topbar-meta{font-family:var(--sans);font-size:.72rem;font-weight:600;color:rgba(255,255,255,.55);text-transform:uppercase;letter-spacing:.14em;}
.impc-topbar-nav{display:flex;gap:6px;align-items:center;}
.impc-topbar-nav a{color:rgba(255,255,255,.7);font-size:.85rem;font-weight:500;padding:12px 14px;min-height:44px;display:inline-flex;align-items:center;border-radius:8px;text-decoration:none;}
.impc-topbar-nav a:hover{color:var(--yellow);background:rgba(255,255,255,.05);text-decoration:none;}
.impc-topbar-nav a:focus-visible{outline:2px solid var(--yellow);outline-offset:2px;}
.impc-topbar-nav .impc-cta{color:var(--yellow);font-weight:700;}

/* HERO ──────────────────────────────────────────────────────────── */
.impc-hero{padding:72px 0 48px;}
.impc-hero-eyebrow{font-family:var(--sans);font-weight:600;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-light);margin-bottom:18px;display:inline-flex;align-items:center;gap:10px;}
.impc-hero-eyebrow::before{content:'';width:24px;height:2px;background:var(--blue);}
.impc-hero h1{font-family:var(--serif);font-weight:600;font-size:clamp(2.4rem,5.6vw,4.4rem);line-height:1.05;letter-spacing:-.035em;color:var(--ink);margin-bottom:18px;max-width:780px;}
.impc-hero h1 .em{font-style:italic;color:var(--blue);}
.impc-hero-sub{font-family:var(--serif);font-style:italic;font-size:clamp(1.1rem,2.1vw,1.4rem);color:var(--ink-mid);max-width:620px;line-height:1.5;margin-bottom:14px;}

/* HIGHLIGHT (yellow brush on emphasis word) ──────────────────────── */
.impc-hl{position:relative;display:inline;-webkit-box-decoration-break:clone;box-decoration-break:clone;}
.impc-hl::after{content:'';position:absolute;left:-4px;right:-4px;bottom:6px;height:18px;background:var(--yellow);opacity:.55;z-index:-1;border-radius:3px;transform:rotate(-.4deg) skewX(-1deg);}
.impc-brush{position:relative;display:inline;-webkit-box-decoration-break:clone;box-decoration-break:clone;}
.impc-brush::before{content:'';position:absolute;left:-6px;right:-6px;top:10%;bottom:5%;background:var(--yellow);opacity:.5;border-radius:8px 4px 6px 3px;transform:rotate(-.8deg) skewX(-2deg);z-index:-1;}

/* HAND-DRAWN (Caveat micro-affirmations) ─────────────────────────── */
.impc-hand{font-family:var(--hand);font-size:1.4rem;color:var(--blue);transform:rotate(-1deg);display:inline-block;font-weight:700;}
.impc-hand--yellow{color:var(--yellow-mid);}
.impc-scribble{font-family:var(--hand);color:var(--blue);font-size:1.1rem;font-weight:700;}

/* SECTION ────────────────────────────────────────────────────────── */
.impc-section{padding:48px 0;border-top:var(--rule-light);}
.impc-section-eyebrow{font-family:var(--sans);font-weight:600;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-light);margin-bottom:8px;}
.impc-section h2{font-family:var(--serif);font-weight:600;font-size:clamp(1.8rem,3.2vw,2.6rem);line-height:1.15;letter-spacing:-.025em;margin-bottom:8px;color:var(--ink);}
.impc-section h2 em{font-style:italic;color:var(--blue);}
.impc-section .lead{font-family:var(--serif);font-style:italic;color:var(--ink-mid);font-size:1.1rem;margin-bottom:32px;max-width:580px;line-height:1.5;}

/* CARDS ──────────────────────────────────────────────────────────── */
.impc-card{padding:28px;background:var(--paper);border-radius:14px;box-shadow:var(--shadow);border:var(--rule-light);transition:transform .25s var(--spring),box-shadow .25s;}
.impc-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.impc-card h3{font-family:var(--serif);font-weight:600;font-size:1.3rem;letter-spacing:-.015em;margin-bottom:10px;line-height:1.25;}
.impc-card p{font-size:.95rem;color:var(--ink-mid);line-height:1.55;}

/* BUTTONS ────────────────────────────────────────────────────────── */
.impc-btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;min-height:48px;font-family:var(--sans);font-weight:600;font-size:.95rem;letter-spacing:-.005em;border-radius:10px;text-decoration:none;border:none;cursor:pointer;transition:transform .15s var(--spring),background .2s,box-shadow .2s,color .2s;}
.impc-btn-primary{background:var(--ink);color:#fff;}
.impc-btn-primary:hover{background:var(--blue);transform:translateY(-1px);box-shadow:var(--shadow-hover);color:#fff;text-decoration:none;}
.impc-btn-light{background:#fff;color:var(--ink);border:1px solid var(--ink);}
.impc-btn-light:hover{background:var(--yellow);transform:translateY(-1px);box-shadow:5px 5px 0 rgba(229,190,0,.4);color:var(--ink);text-decoration:none;}
.impc-btn-secondary{background:transparent;color:var(--ink);border:1.5px solid var(--ink);}
.impc-btn-secondary:hover{background:var(--ink);color:#fff;text-decoration:none;}
.impc-btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.4);}
.impc-btn-ghost:hover{border-color:var(--yellow);color:var(--yellow);text-decoration:none;}
.impc-btn-yellow{background:var(--yellow);color:var(--ink);}
.impc-btn-yellow:hover{background:var(--yellow-mid);color:var(--ink);text-decoration:none;}

/* CTA BLOCK ──────────────────────────────────────────────────────── */
.impc-cta{margin:48px 0 24px;padding:48px 36px;background:var(--ink);color:#fff;border-radius:18px;text-align:center;box-shadow:var(--shadow-lg);position:relative;}
.impc-cta-eyebrow{font-family:var(--hand);font-size:1.4rem;color:var(--yellow);margin-bottom:8px;display:inline-block;transform:rotate(-1.5deg);font-weight:700;}
.impc-cta h2{font-family:var(--serif);font-weight:600;font-size:clamp(1.8rem,3.2vw,2.6rem);letter-spacing:-.025em;color:#fff;margin-bottom:14px;line-height:1.15;}
.impc-cta h2 .yl{color:var(--yellow);font-style:italic;}
.impc-cta p{font-family:var(--serif);font-style:italic;font-size:1.1rem;color:rgba(255,255,255,.78);margin-bottom:28px;max-width:520px;margin-left:auto;margin-right:auto;line-height:1.5;}
.impc-cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.impc-cta-trust{margin-top:24px;font-size:.82rem;color:rgba(255,255,255,.55);font-family:var(--sans);}

/* SIGNUP CARD ────────────────────────────────────────────────────── */
.impc-signup{background:var(--paper);border:2px solid var(--ink);border-radius:14px;padding:24px 26px;box-shadow:6px 6px 0 var(--ink);position:relative;max-width:560px;margin-top:32px;}
.impc-signup-badge{position:absolute;top:-9px;left:24px;background:var(--yellow);padding:4px 12px;border-radius:6px;font-family:var(--mono);font-size:.7rem;font-weight:700;letter-spacing:.12em;color:var(--ink);}
.impc-signup form{margin-top:6px;}
.impc-signup-row{display:flex;gap:10px;}
@media(max-width:560px){.impc-signup-row{flex-direction:column;}}
.impc-signup input[type=email]{flex:1;min-height:48px;padding:14px 18px;font-family:var(--sans);font-size:1rem;color:var(--ink);background:var(--cream);border:1.5px solid var(--ink-light);border-radius:10px;outline:none;transition:border-color .15s,box-shadow .15s;}
.impc-signup input[type=email]:focus{border-color:var(--blue);box-shadow:0 0 0 4px var(--blue-glow);}
.impc-signup button{min-height:48px;padding:14px 24px;background:var(--ink);color:#fff;border:none;border-radius:10px;font-family:var(--sans);font-weight:600;font-size:1rem;cursor:pointer;transition:transform .15s var(--spring),background .2s,box-shadow .2s;white-space:nowrap;}
.impc-signup button:hover{background:var(--blue);transform:translateY(-1px);box-shadow:var(--shadow-hover);}
.impc-signup button:focus-visible{outline:2px solid var(--yellow);outline-offset:2px;}
.impc-signup-check{display:flex;align-items:flex-start;gap:10px;font-size:.85rem;color:var(--ink-mid);line-height:1.4;margin-top:14px;cursor:pointer;min-height:44px;padding:10px 0;}
.impc-signup-check input{margin-top:2px;flex-shrink:0;accent-color:var(--blue);min-width:24px;min-height:24px;width:24px;height:24px;}
.impc-signup-micro{margin-top:14px;font-family:var(--sans);font-size:.78rem;color:var(--ink-light);display:flex;gap:12px;flex-wrap:wrap;}

/* FORM LABELS — VISIBLE OR SR-ONLY (mai placeholder-only) ─────────── */
.impc-visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.impc-field{margin-bottom:18px;}
.impc-field label{display:block;font-family:var(--sans);font-weight:600;font-size:.85rem;color:var(--ink);margin-bottom:6px;letter-spacing:-.005em;}
.impc-field input,.impc-field textarea,.impc-field select{width:100%;min-height:48px;padding:14px 16px;font-family:var(--sans);font-size:1rem;color:var(--ink);background:#fff;border:1.5px solid var(--ink-light);border-radius:10px;outline:none;transition:border-color .15s,box-shadow .15s;}
.impc-field input:focus,.impc-field textarea:focus,.impc-field select:focus{border-color:var(--blue);box-shadow:0 0 0 4px var(--blue-glow);}
.impc-field-help{font-size:.78rem;color:var(--ink-light);margin-top:6px;}

/* PILLS / TAGS ───────────────────────────────────────────────────── */
.impc-pill{display:inline-block;padding:5px 12px;background:var(--blue-light);color:var(--blue);font-family:var(--sans);font-size:.78rem;font-weight:600;border-radius:999px;letter-spacing:-.005em;}
.impc-pill-yellow{background:var(--yellow-light);color:var(--ink);}
.impc-pill-green{background:var(--green-light);color:var(--green);}
.impc-pill-coral{background:var(--coral-light);color:var(--coral);}

/* FOOTER ─────────────────────────────────────────────────────────── */
.impc-legal{padding:40px 0 60px;border-top:var(--rule-light);font-size:.82rem;color:var(--ink-light);font-family:var(--sans);line-height:1.7;margin-top:60px;}
.impc-legal strong{color:var(--ink-mid);font-weight:600;}
.impc-legal-row{display:flex;justify-content:space-between;flex-wrap:wrap;gap:18px;}
.impc-legal a{color:var(--ink-mid);}

/* RESPONSIVE ─────────────────────────────────────────────────────── */
@media(max-width:640px){
  .impc-hero{padding:48px 0 32px;}
  .impc-section{padding:36px 0;}
  .impc-cta{padding:36px 24px;}
  .impc-topbar-nav{display:none;}
}

/* MOTION ACCESSIBILITY (rispetta utenti che disabilitano animazioni) */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.01ms!important;
    animation-iteration-count:1!important;
    transition-duration:.01ms!important;
    scroll-behavior:auto!important;
  }
  html{scroll-behavior:auto;}
}

/* FOCUS VISIBILE (keyboard navigation) ───────────────────────────── */
body.impc :focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:4px;}
.impc-btn:focus-visible{outline-color:var(--yellow);}