/* ============================================================
   MATEMATICA ZERO — Shared Stylesheet
   matematicazero.it
   ============================================================ */

/* ----- Font self-hosted (ex Google Fonts) ------------------ */
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url(fonts/inter-latin-400-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url(fonts/inter-latin-600-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:'Inter';font-style:normal;font-weight:700;font-display:swap;src:url(fonts/inter-latin-700-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:'Inter';font-style:normal;font-weight:800;font-display:swap;src:url(fonts/inter-latin-800-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:'Caveat';font-style:normal;font-weight:700;font-display:swap;src:url(fonts/caveat-latin-700-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:'Poppins';font-style:normal;font-weight:600;font-display:swap;src:url(fonts/poppins-latin-600-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:'Poppins';font-style:normal;font-weight:700;font-display:swap;src:url(fonts/poppins-latin-700-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:'Poppins';font-style:normal;font-weight:800;font-display:swap;src:url(fonts/poppins-latin-800-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}

/* ----- Reset & Base ---------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 19px;
  line-height: 1.7;
  font-weight: 400;
  color: var(--text);
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

@media (max-width: 768px) {
  body { padding-bottom: 80px; }
}

/* ----- Custom Properties ----------------------------------- */
:root {
  --primary:     #111111;   /* near-black — headings, matches logo wordmark */
  --text:        #24242a;    /* body copy */
  --blue:        #D5010F;    /* brand red — from "Zero" in the logo */
  --accent:      #A80009;    /* darker red — hovers, urgency */
  --bg-soft:     #FBF3F3;    /* barely-there warm off-white */
  --border:      #e6e6e6;
  --green-wa:    #25D366;
  --radius-card: 16px;
  --radius-pill: 50px;
  --shadow-card: 0 1px 2px rgba(80,20,20,.05), 0 4px 10px rgba(80,20,20,.05), 0 18px 40px -14px rgba(80,20,20,.16);
  --shadow-deep: 0 2px 4px rgba(0,0,0,.06), 0 12px 24px rgba(0,0,0,.08), 0 40px 80px -24px rgba(60,10,10,.30);
  --shadow-nav:  0 2px 20px rgba(0,0,0,.08);
  --max-w:       1160px;
  --font-head:   'Poppins', 'Inter', -apple-system, sans-serif;
}

/* ----- Typography ----------------------------------------- */
h1 { font-family:var(--font-head); font-size: clamp(42px,6vw,66px); font-weight:800; line-height:1.08; letter-spacing:-0.03em; color:var(--primary); }
h2 { font-family:var(--font-head); font-size: clamp(30px,4vw,44px); font-weight:700; line-height:1.15; letter-spacing:-0.02em; color:var(--primary); }
h3 { font-family:var(--font-head); font-size:21px; font-weight:700; line-height:1.3; color:var(--primary); }
p  { font-size:19px; line-height:1.75; }
a  { color:var(--blue); text-decoration:none; }
a:hover { text-decoration:underline; }

/* ----- Container ------------------------------------------ */
.container { max-width:var(--max-w); margin:0 auto; padding:0 24px; }

/* ----- Section -------------------------------------------- */
section { padding:96px 24px; }
@media(max-width:768px){ section { padding:64px 20px; } }

.section-header { text-align:center; max-width:680px; margin:0 auto 56px; }
.section-header h2 { margin-bottom:16px; }
.section-header p { color:#555; }

/* ----- Grid ----------------------------------------------- */
.grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.grid-2 { display:grid; grid-template-columns:repeat(2,1fr); gap:48px; align-items:center; }

@media(max-width:1024px){ .grid-3 { grid-template-columns:repeat(2,1fr); } }
@media(max-width:768px){
  .grid-3, .grid-2 { grid-template-columns:1fr; }
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position:sticky; top:0; z-index:1000;
  background:#fff; padding:0 24px;
  transition:box-shadow .3s;
}
.nav.scrolled { box-shadow:var(--shadow-nav); }

.nav__inner {
  max-width:var(--max-w); margin:0 auto;
  display:flex; align-items:center; justify-content:space-between;
  height:80px; gap:20px;
}

.nav__logo { display:flex; align-items:center; gap:10px; text-decoration:none; flex-shrink:0; }
.nav__logo:hover { text-decoration:none; }
.nav__logo-img { height:34px; width:auto; display:block; }
.nav__logo-tagline { display:none; }
@media(max-width:600px){ .nav__logo-img { height:26px; } }

.nav__links {
  display:flex; align-items:center; gap:2px;
  list-style:none; flex:1; justify-content:center;
}
.nav__links a {
  font-size:15px; font-weight:600; color:var(--primary);
  text-decoration:none; padding:8px 11px; border-radius:8px;
  transition:color .2s, background .2s; white-space:nowrap;
}
.nav__links a:hover,
.nav__links a.active { color:var(--blue); background:rgba(213,1,15,.07); text-decoration:none; }

.nav__cta {
  display:inline-flex; align-items:center; gap:8px;
  background:var(--blue); color:#fff;
  font-size:14px; font-weight:700;
  padding:10px 22px; border-radius:var(--radius-pill);
  text-decoration:none; white-space:nowrap; flex-shrink:0;
  transition:background .2s, transform .2s;
}
.nav__cta:hover { background:#a80009; transform:translateY(-1px); text-decoration:none; color:#fff; }

.nav__hamburger {
  display:none; flex-direction:column; gap:5px;
  cursor:pointer; padding:8px; background:none; border:none;
}
.nav__hamburger span {
  display:block; width:24px; height:2px;
  background:var(--primary); border-radius:2px; transition:.3s;
}

@media(max-width:1024px){
  .nav__links a { font-size:13.5px; padding:7px 8px; }
}
/* Dropdown Zone */
.nav__has-dropdown { position:relative; }
.nav__dropdown-toggle { display:flex; align-items:center; gap:4px; cursor:pointer; }
.nav__dropdown-toggle svg { transition:transform .2s; }
.nav__has-dropdown:hover .nav__dropdown-toggle svg { transform:rotate(180deg); }
.nav__dropdown-menu {
  display:none; position:absolute; top:calc(100% + 8px); left:50%;
  transform:translateX(-50%);
  background:#fff; border-radius:12px; box-shadow:0 8px 32px rgba(0,0,0,.12);
  list-style:none; padding:8px; min-width:180px; z-index:1100;
}
.nav__has-dropdown:hover .nav__dropdown-menu { display:block; }
.nav__dropdown-menu li a {
  display:block; padding:9px 14px; border-radius:8px;
  font-size:13.5px; font-weight:600; color:var(--primary);
  text-decoration:none; white-space:nowrap;
  transition:color .15s, background .15s;
}
.nav__dropdown-menu li a:hover { color:var(--blue); background:rgba(213,1,15,.07); }

@media(max-width:768px){
  .nav__hamburger { display:flex; }
  .nav__cta { display:none; }
  .nav__links {
    display:none; position:fixed; top:80px; left:0; right:0;
    background:#fff; flex-direction:column; padding:20px 24px 32px;
    box-shadow:var(--shadow-nav); z-index:999; gap:4px;
  }
  .nav__links.open { display:flex; }
  .nav__links a { font-size:16px; padding:12px 16px; width:100%; }
  /* Dropdown mobile: inline */
  .nav__dropdown-menu {
    display:none; position:static; transform:none;
    box-shadow:none; background:var(--bg-soft);
    border-radius:8px; margin:4px 0 4px 16px; padding:4px;
  }
  .nav__has-dropdown.open .nav__dropdown-menu { display:block; }
  .nav__dropdown-menu li a { font-size:15px; padding:10px 14px; }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:16px 32px; border-radius:var(--radius-pill);
  font-size:16px; font-weight:700; text-decoration:none;
  cursor:pointer; border:2px solid transparent;
  transition:all .2s; letter-spacing:-0.01em; font-family:'Inter',sans-serif;
}
.btn:hover { text-decoration:none; transform:translateY(-2px); }
.btn-lg { padding:18px 40px; font-size:17px; }

.btn-primary { background:var(--blue); color:#fff; border-color:var(--blue); }
.btn-primary:hover { background:#a80009; border-color:#a80009; color:#fff; }

.btn-outline { background:transparent; color:var(--blue); border-color:var(--blue); }
.btn-outline:hover { background:rgba(213,1,15,.06); color:var(--blue); }

.btn-outline-white { background:transparent; color:#fff; border-color:#fff; }
.btn-outline-white:hover { background:rgba(255,255,255,.1); color:#fff; }

.btn-white { background:#fff; color:var(--blue); border-color:#fff; }
.btn-white:hover { background:#fbeaea; color:var(--blue); }

.btn-accent { background:var(--accent); color:#fff; border-color:var(--accent); }
.btn-accent:hover { background:#7d0007; border-color:#7d0007; color:#fff; }

/* ============================================================
   BADGE
   ============================================================ */
.badge {
  display:inline-flex; align-items:center; gap:6px;
  font-size:12px; font-weight:800; letter-spacing:.1em;
  text-transform:uppercase; padding:6px 14px; border-radius:var(--radius-pill);
}
.badge-blue   { background:rgba(213,1,15,.1);   color:var(--blue);   }
.badge-accent { background:rgba(168,0,9,.12); color:var(--accent); }
.badge-white  { background:rgba(255,255,255,.2); color:#fff; border:1px solid rgba(255,255,255,.3); }

/* ============================================================
   WHATSAPP FLOATING BUTTON
   ============================================================ */
.wa-float {
  position:fixed; bottom:28px; right:28px; z-index:9999;
  width:60px; height:60px; background:var(--green-wa);
  border-radius:50%; display:flex; align-items:center; justify-content:center;
  box-shadow:0 4px 16px rgba(37,211,102,.4);
  text-decoration:none; transition:transform .2s;
}
.wa-float:hover { transform:scale(1.08); text-decoration:none; }

.wa-float::after {
  content:'Hai dubbi? Scrivimi';
  position:absolute; right:70px; top:50%; transform:translateY(-50%);
  background:var(--primary); color:#fff;
  font-size:13px; font-weight:600; font-family:'Inter',sans-serif;
  white-space:nowrap; padding:8px 14px; border-radius:8px;
  opacity:0; pointer-events:none; transition:opacity .2s;
}
.wa-float::before {
  content:''; position:absolute; right:64px; top:50%; transform:translateY(-50%);
  border:6px solid transparent; border-left-color:var(--primary);
  opacity:0; pointer-events:none; transition:opacity .2s;
}
.wa-float:hover::after,
.wa-float:hover::before { opacity:1; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background:var(--primary); color:rgba(255,255,255,.65); padding:64px 24px 40px; }
.footer__inner {
  max-width:var(--max-w); margin:0 auto;
  display:grid; grid-template-columns:2fr; grid-auto-flow:column; grid-auto-columns:1fr; gap:48px;
}
.footer__logo  { margin-bottom:18px; }
.footer__logo img { height:38px; width:auto; display:block; }
.footer__tag   { font-size:15px; line-height:1.7; margin-bottom:12px; color:rgba(255,255,255,.72); }
.footer__piva  { font-size:12px; color:rgba(255,255,255,.6); }

.footer h4, .footer .footer__title {
  font-family:inherit; line-height:1.4;
  color:#fff; font-size:13px; font-weight:700;
  letter-spacing:.08em; text-transform:uppercase; margin-bottom:16px;
}
.footer ul { list-style:none; display:flex; flex-direction:column; gap:10px; }
.footer ul a { color:rgba(255,255,255,.72); font-size:15px; text-decoration:none; transition:color .2s; }
.footer ul a:hover { color:#fff; text-decoration:none; }

.footer__contact { display:flex; flex-direction:column; gap:12px; }
.footer__contact a {
  display:flex; align-items:center; gap:10px;
  color:rgba(255,255,255,.78); font-size:15px; text-decoration:none; transition:color .2s;
}
.footer__contact a:hover { color:#fff; text-decoration:none; }

.footer__bottom {
  max-width:var(--max-w); margin:40px auto 0;
  padding-top:24px; border-top:1px solid rgba(255,255,255,.1);
  text-align:center; font-size:13px; color:rgba(255,255,255,.6);
}
.footer__legal { color:inherit; text-decoration:underline; text-underline-offset:2px; }
.footer__legal:hover { color:#fff; }
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }

@media(max-width:768px){
  .footer__inner { grid-template-columns:1fr; grid-auto-flow:row; gap:32px; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero { padding:108px 24px 96px; text-align:center; }
.hero--dark { background:var(--primary); }
.hero--dark h1 { color:#fff; }
.hero--dark .hero-sub { color:rgba(255,255,255,.7); }

.hero-inner { max-width:840px; margin:0 auto; }
.hero h1 { margin-bottom:24px; }
.hero-sub { font-size:21px; color:#555; max-width:640px; margin:0 auto 40px; }
.hero-ctas { display:flex; align-items:center; justify-content:center; gap:16px; flex-wrap:wrap; margin-bottom:28px; }

.hero-badge {
  display:inline-flex; align-items:center; gap:8px;
  font-size:15px; font-weight:600; color:#555;
}
.hero-badge svg { color:var(--blue); }

@media(max-width:768px){
  .hero { padding:72px 20px 64px; }
  .hero-ctas { flex-direction:column; gap:12px; }
  .hero-ctas .btn { width:100%; max-width:320px; }
}

/* ============================================================
   PAGE HEADER (inner pages)
   ============================================================ */
.page-header {
  padding:80px 24px 64px; text-align:center;
  background:linear-gradient(180deg,#fff 0%,var(--bg-soft) 100%);
}
.page-header h1 { margin-bottom:16px; }
.page-header p { font-size:21px; color:#555; max-width:640px; margin:0 auto; }

/* ============================================================
   STATS DARK
   ============================================================ */
.stats-dark { background:var(--primary); color:#fff; text-align:center; }
.stats-dark h2 { color:#fff; }
.stats-grid {
  max-width:var(--max-w); margin:0 auto;
  display:grid; grid-template-columns:repeat(3,1fr); gap:40px;
}
.stat-icon {
  width:52px; height:52px;
  background:rgba(255,255,255,.1); border-radius:14px;
  display:flex; align-items:center; justify-content:center;
  margin:0 auto 14px; color:rgba(255,255,255,.9);
}
.stat-number { font-size:44px; font-weight:800; color:#fff; line-height:1; margin-bottom:8px; }
.stat-label  { font-size:16px; color:rgba(255,255,255,.6); }
@media(max-width:768px){ .stats-grid { grid-template-columns:1fr; gap:32px; } }

/* ============================================================
   PROBLEM CARDS
   ============================================================ */
.problem-card {
  background:#fff; border-radius:var(--radius-card);
  padding:32px; box-shadow:var(--shadow-card);
  display:flex; flex-direction:column; gap:14px;
}
.problem-icon {
  width:52px; height:52px;
  background:rgba(168,0,9,.08); border-radius:14px;
  display:flex; align-items:center; justify-content:center; color:var(--accent);
}
.problem-card h3 { font-size:18px; }

/* ============================================================
   STEPS
   ============================================================ */
.steps { max-width:var(--max-w); margin:0 auto; display:grid; grid-template-columns:repeat(3,1fr); gap:40px; }
.step { text-align:center; }
.step-num { display:none; }
.step-icon {
  width:64px; height:64px;
  background:rgba(213,1,15,.08); border-radius:18px;
  display:flex; align-items:center; justify-content:center;
  margin:0 auto 20px; color:var(--blue);
}
.step h3 { margin-bottom:8px; }
.step p { font-size:17px; color:#555; }
@media(max-width:768px){ .steps { grid-template-columns:1fr; gap:32px; } }

/* ============================================================
   VIDEO CARDS
   ============================================================ */
.video-card { border-radius:var(--radius-card); overflow:hidden; box-shadow:var(--shadow-card); background:#fff; }
.video-thumb {
  height:186px; display:flex; align-items:center; justify-content:center;
  position:relative; cursor:pointer;
}
.vt-1 { background:linear-gradient(135deg,#D5010F,#111); }
.vt-2 { background:linear-gradient(135deg,#111,#D5010F); }
.vt-3 { background:linear-gradient(135deg,#D5010F,#A80009); }
.vt-4 { background:linear-gradient(135deg,#3a3a3a,#D5010F); }
.vt-5 { background:linear-gradient(135deg,#A80009,#5a0005); }
.vt-6 { background:linear-gradient(135deg,#111,#8a0007); }
.vt-7 { background:linear-gradient(135deg,#1c1c1c,#D5010F); }
.vt-8 { background:linear-gradient(135deg,#D5010F,#2a2a2a); }
.vt-9 { background:linear-gradient(135deg,#E23B2B,#A80009); }

.play-btn {
  width:60px; height:60px;
  background:rgba(255,255,255,.92); border-radius:50%;
  display:flex; align-items:center; justify-content:center; color:var(--blue);
  transition:transform .2s;
}
.video-card:hover .play-btn { transform:scale(1.1); }

.video-info { padding:20px; }
.video-title { font-size:16px; font-weight:700; color:var(--primary); margin-bottom:6px; line-height:1.4; }
.video-meta  { font-size:14px; color:#6b6b6b; }

/* ============================================================
   REVIEW CARDS
   ============================================================ */
.review-card {
  background:#fff; border-radius:var(--radius-card);
  padding:28px; box-shadow:var(--shadow-card);
  display:flex; flex-direction:column; gap:14px;
}
.review-header { display:flex; align-items:center; gap:14px; }
.avatar {
  width:44px; height:44px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-size:14px; font-weight:800; color:#fff; flex-shrink:0;
}
.av-blue   { background:var(--blue);   }
.av-green  { background:#111;          }
.av-accent { background:var(--accent); }

.review-name { font-size:15px; font-weight:700; color:var(--primary); }
.review-date { font-size:12px; color:#767676; margin-top:1px; }
.review-stars { display:flex; gap:2px; }
.review-text  { font-size:15px; line-height:1.75; color:#444; }

.google-badge {
  display:inline-flex; align-items:center; gap:10px;
  background:#fff; border:1px solid #e6e6e6;
  border-radius:var(--radius-pill); padding:8px 18px;
  font-size:14px; font-weight:700; color:var(--primary);
  margin-bottom:20px;
}

/* ============================================================
   PRICING
   ============================================================ */
.pricing-grid {
  max-width:980px; margin:0 auto;
  display:grid; grid-template-columns:repeat(3,1fr);
  gap:24px; align-items:start;
}
.pricing-card {
  background:#fff; border-radius:var(--radius-card);
  padding:36px 28px; box-shadow:var(--shadow-card);
  border:2px solid #e6e6e6; position:relative;
  display:flex; flex-direction:column;
}
.pricing-card-featured { border-color:var(--blue); transform:translateY(-8px); }
.pricing-card-accent   { border-color:var(--accent); }

.pricing-badge {
  position:absolute; top:-14px; left:50%; transform:translateX(-50%);
  font-size:11px; font-weight:800; letter-spacing:.08em; text-transform:uppercase;
  white-space:nowrap; padding:5px 16px; border-radius:var(--radius-pill);
}
.pb-blue   { background:var(--blue);   color:#fff; }
.pb-accent { background:var(--accent); color:#fff; }

.pricing-name  { font-size:14px; font-weight:700; color:#6b6b6b; text-transform:uppercase; letter-spacing:.07em; margin-bottom:8px; }
.pricing-price { font-size:46px; font-weight:800; color:var(--primary); line-height:1; margin-bottom:6px; }
.pricing-sub   { font-size:14px; color:var(--blue); font-weight:600; margin-bottom:16px; }

.pricing-features { list-style:none; display:flex; flex-direction:column; gap:10px; margin:12px 0 28px; }
.pricing-features li { display:flex; align-items:flex-start; gap:10px; font-size:15px; color:#444; }
.pricing-features li svg { color:var(--blue); flex-shrink:0; margin-top:3px; }
.pricing-card-accent .pricing-features li svg { color:var(--accent); }

@media(max-width:768px){
  .pricing-grid { grid-template-columns:1fr; max-width:420px; }
  .pricing-card-featured { transform:none; order:-1; }
}

/* ============================================================
   FAQ ACCORDION
   ============================================================ */
.faq { max-width:740px; margin:0 auto; }
.faq-item { border-bottom:1px solid #e6e6e6; }
.faq-question {
  width:100%; background:none; border:none; padding:22px 0;
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  cursor:pointer; text-align:left; font-family:'Inter',sans-serif;
  font-size:17px; font-weight:600; color:var(--primary); transition:color .2s;
}
.faq-question:hover { color:var(--blue); }
.faq-chevron { flex-shrink:0; width:22px; height:22px; color:var(--blue); transition:transform .3s; }
.faq-item.open .faq-chevron { transform:rotate(180deg); }
.faq-answer { max-height:0; overflow:hidden; transition:max-height .35s ease; }
.faq-answer-inner { padding-bottom:22px; font-size:17px; color:#4a4a4a; line-height:1.75; }

/* ============================================================
   URGENCY BANNER
   ============================================================ */
.urgency { background:var(--accent); color:#fff; text-align:center; }
.urgency h2 { color:#fff; margin-bottom:16px; }
.urgency p  { color:rgba(255,255,255,.85); max-width:540px; margin:0 auto 32px; }

/* ============================================================
   DARK BOOKING
   ============================================================ */
.dark-booking { background:var(--bg-soft); color:var(--primary); text-align:center; }
.dark-booking h2 { color:var(--primary); margin-bottom:12px; }
.dark-booking p  { color:#555; margin-bottom:40px; }

/* ============================================================
   IFRAME WRAPPER
   ============================================================ */
.iframe-wrap {
  background:#fff; border-radius:var(--radius-card);
  overflow:hidden; box-shadow:var(--shadow-card); max-width:860px; margin:0 auto;
}
.iframe-wrap iframe { display:block; }

/* ============================================================
   TOPIC PILLS
   ============================================================ */
.topic-pills { display:flex; flex-wrap:wrap; gap:10px; justify-content:center; }
.topic-pill {
  display:inline-flex; align-items:center; gap:7px;
  background:rgba(213,1,15,.08); color:var(--blue);
  font-size:14px; font-weight:600; padding:9px 18px;
  border-radius:var(--radius-pill); border:1.5px solid rgba(213,1,15,.2);
}

/* ============================================================
   TIMING CARDS (recupero)
   ============================================================ */
.timing-card {
  background:#fff; border-radius:var(--radius-card);
  padding:36px 24px; box-shadow:var(--shadow-card);
  text-align:center; display:flex; flex-direction:column; align-items:center; gap:12px;
}
.timing-icon {
  width:56px; height:56px;
  background:rgba(213,1,15,.08); border-radius:16px;
  display:flex; align-items:center; justify-content:center; color:var(--blue);
  margin-bottom:4px;
}
.timing-range { font-size:36px; font-weight:800; color:var(--blue); line-height:1; }
.timing-type  { font-size:17px; font-weight:700; color:var(--primary); }
.timing-label { font-size:15px; color:#555; }

/* ============================================================
   SIMPLE PRICING (recupero)
   ============================================================ */
.simple-prices { display:flex; gap:20px; justify-content:center; flex-wrap:wrap; }
.simple-price {
  background:var(--bg-soft); border-radius:var(--radius-card);
  padding:28px 40px; text-align:center; min-width:200px;
}
.simple-price__price { font-size:38px; font-weight:800; color:var(--blue); line-height:1; margin-bottom:6px; }
.simple-price__label { font-size:14px; color:#555; font-weight:500; }

/* ============================================================
   CHI SONO
   ============================================================ */
.profile-layout { max-width:var(--max-w); margin:0 auto; }
.profile-photo {
  width:260px; height:260px; border-radius:50%;
  background:var(--blue); display:flex; align-items:center; justify-content:center;
  font-size:56px; font-weight:800; color:#fff; letter-spacing:-3px; flex-shrink:0;
}
.profile-text { max-width:620px; }
.profile-text p { color:#444; margin-bottom:20px; }
.text-link {
  display:inline-flex; align-items:center; gap:8px;
  color:var(--blue); font-weight:700; text-decoration:none; font-size:16px;
  transition:gap .2s;
}
.text-link:hover { gap:12px; text-decoration:none; }

.highlight-card {
  background:var(--bg-soft); border-radius:var(--radius-card);
  padding:28px 24px; display:flex; align-items:flex-start; gap:18px;
}
.highlight-icon {
  width:48px; height:48px; background:rgba(213,1,15,.1); border-radius:14px;
  display:flex; align-items:center; justify-content:center; color:var(--blue); flex-shrink:0;
}
.highlight-card h3 { font-size:15px; margin-bottom:2px; }
.highlight-card p  { font-size:15px; color:#555; }

/* ============================================================
   MATERIE
   ============================================================ */
.materia-card {
  background:#fff; border-radius:var(--radius-card);
  padding:36px 28px; box-shadow:var(--shadow-card); border:2px solid #e6e6e6;
}
.materia-icon {
  width:56px; height:56px; background:rgba(213,1,15,.08); border-radius:16px;
  display:flex; align-items:center; justify-content:center; color:var(--blue); margin-bottom:20px;
}
.materia-card h3 { margin-bottom:14px; }
.materia-card ul { list-style:none; display:flex; flex-direction:column; gap:8px; }
.materia-card ul li { display:flex; align-items:center; gap:10px; font-size:15px; color:#444; }
.materia-card ul li svg { color:var(--blue); flex-shrink:0; }

/* ============================================================
   CONTATTI
   ============================================================ */
.contact-cards { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; margin-top:48px; }
.contact-card {
  background:var(--bg-soft); border-radius:var(--radius-card);
  padding:24px; display:flex; flex-direction:column; gap:10px;
}
.contact-icon {
  width:44px; height:44px; background:rgba(213,1,15,.1); border-radius:12px;
  display:flex; align-items:center; justify-content:center; color:var(--blue);
}
.contact-card h3 { font-size:14px; font-weight:700; color:var(--primary); }
.contact-card p, .contact-card a { font-size:15px; color:#555; text-decoration:none; }
.contact-card a:hover { color:var(--blue); text-decoration:underline; }

@media(max-width:1024px){ .contact-cards { grid-template-columns:repeat(2,1fr); } }
@media(max-width:640px)  { .contact-cards { grid-template-columns:1fr; } }

/* ============================================================
   YT BANNER (video page)
   ============================================================ */
.yt-banner {
  background:var(--blue); color:#fff; text-align:center;
  padding:56px 24px; border-radius:var(--radius-card);
  max-width:820px; margin:0 auto;
}
.yt-banner h2 { color:#fff; margin-bottom:12px; }
.yt-banner p  { color:#fff; margin-bottom:28px; }

/* ============================================================
   WA INLINE LINK
   ============================================================ */
.wa-link {
  display:inline-flex; align-items:center; gap:8px;
  color:var(--blue); font-weight:600; text-decoration:none;
  font-size:16px; margin-top:24px;
}
.wa-link:hover { text-decoration:underline; }

/* ============================================================
   UTILS
   ============================================================ */
.text-center { text-align:center; }
.text-white  { color:#fff !important; }
.mt-8  { margin-top:8px; }
.mt-16 { margin-top:16px; }
.mt-24 { margin-top:24px; }
.mt-32 { margin-top:32px; }
.mt-48 { margin-top:48px; }
.mb-16 { margin-bottom:16px; }
.mb-24 { margin-bottom:24px; }
.mb-32 { margin-bottom:32px; }
.mb-48 { margin-bottom:48px; }
.max-600 { max-width:600px; margin-left:auto; margin-right:auto; }
.max-800 { max-width:800px; margin-left:auto; margin-right:auto; }
.free-call {
  max-width:980px; margin:32px auto 0; padding:24px 28px;
  background:var(--bg-soft); border:2px dashed var(--blue); border-radius:var(--radius-card);
  display:flex; align-items:center; justify-content:space-between; gap:20px; flex-wrap:wrap;
}
.free-call__text { display:flex; flex-direction:column; gap:4px; flex:1; min-width:240px; }
.free-call__text strong { font-size:19px; color:var(--primary); }
.free-call__text span { font-size:16px; color:#444; }
.note-small { font-size:16px; color:#6b6b6b; text-align:center; font-style:italic; margin-top:40px; }

.booking-fallback {
  margin:0 auto 14px; color:#555; font-size:14px; text-align:center;
}
.booking-fallback a { color:var(--blue); font-weight:600; text-decoration:underline; text-underline-offset:2px; }

/* ===== COOKIE BANNER ===== */
#cookie-banner {
  position:fixed;
  bottom:0;left:0;right:0;
  background:rgba(17,17,17,.96);
  color:#fff;
  padding:14px 24px;
  display:flex;
  align-items:center;
  gap:20px;
  flex-wrap:wrap;
  z-index:9999;
  font-size:14px;
  line-height:1.5;
}
#cookie-banner p { margin:0; flex:1; min-width:200px; }
#cookie-banner a { color:#ff7a82; text-decoration:underline; }
.legal-text p a, .legal-text li a { text-decoration:underline; text-underline-offset:2px; }
#cookie-banner button {
  background:var(--blue);
  color:#fff;
  border:none;
  border-radius:6px;
  padding:8px 20px;
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  white-space:nowrap;
}
#cookie-banner button:hover { background:var(--accent); }
@media(max-width:600px) {
  #cookie-banner { padding:9px 12px; gap:10px; flex-wrap:nowrap; font-size:12px; line-height:1.35; }
  #cookie-banner p { min-width:0; }
  #cookie-banner button { padding:7px 10px; font-size:12px; }
}

/* ============================================================
   PROFONDITÀ — ombre a strati, volume, comparsa allo scroll
   Solo transform/opacity: niente costi di layout.
   ============================================================ */

/* ----- Pulsanti con volume + riflesso ---------------------- */
.btn-primary, .nav__cta {
  position:relative; overflow:hidden;
  background:linear-gradient(180deg,#ec1a27 0%,var(--blue) 55%,var(--accent) 100%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35), 0 2px 0 #7d0007, 0 10px 24px -8px rgba(213,1,15,.55);
}
.btn-primary { border-color:transparent; }
.btn-primary:hover, .nav__cta:hover {
  background:linear-gradient(180deg,#e01220 0%,#c0000d 55%,#8f0008 100%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35), 0 4px 0 #7d0007, 0 18px 32px -10px rgba(213,1,15,.6);
}
.btn-primary:active { transform:translateY(1px); box-shadow:inset 0 1px 0 rgba(255,255,255,.35), 0 1px 0 #7d0007, 0 6px 14px -6px rgba(213,1,15,.5); }
.btn-primary::after {
  content:""; position:absolute; top:0; left:0; width:40%; height:100%; pointer-events:none;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.42),transparent);
  transform:translateX(-180%) skewX(-20deg);
  animation:riflesso 5.5s ease-in-out infinite;
}
@keyframes riflesso { 0%,65% { transform:translateX(-180%) skewX(-20deg); } 100% { transform:translateX(380%) skewX(-20deg); } }

.btn-outline, .btn-white { box-shadow:var(--shadow-card); }
.btn-outline { background:#fff; }

/* ----- Card che si sollevano -------------------------------- */
.problem-card, .review-card, .pricing-card, .materia-card, .timing-card,
.video-card, .highlight-card, .contact-card, .simple-price, .iframe-wrap {
  transition:transform .35s cubic-bezier(.2,.8,.2,1), box-shadow .35s;
}
.highlight-card, .contact-card, .simple-price { background:#fff; box-shadow:var(--shadow-card); }
@media (hover:hover){
  .problem-card:hover, .review-card:hover, .materia-card:hover, .timing-card:hover,
  .video-card:hover, .highlight-card:hover, .contact-card:hover, .simple-price:hover {
    transform:translateY(-6px); box-shadow:var(--shadow-deep);
  }
  .pricing-card:hover { box-shadow:var(--shadow-deep); }
}
.problem-icon, .step-icon, .materia-icon, .timing-icon, .highlight-icon, .contact-icon {
  box-shadow:inset 0 1px 0 rgba(255,255,255,.7), 0 6px 14px -6px rgba(213,1,15,.35);
}

/* ----- Intestazioni pagine: quaderno a quadretti ------------ */
.page-header, .hero { position:relative; overflow:hidden; isolation:isolate; }
.page-header::before, .hero::before {
  content:""; position:absolute; inset:0; z-index:-1; pointer-events:none;
  background-image:linear-gradient(rgba(213,1,15,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(213,1,15,.06) 1px,transparent 1px);
  background-size:28px 28px;
  -webkit-mask-image:radial-gradient(ellipse at 50% 30%,#000 0%,transparent 72%);
          mask-image:radial-gradient(ellipse at 50% 30%,#000 0%,transparent 72%);
}
.hero--dark::before { background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px); }

/* post-it con formule (decorativi, aria-hidden) */
.formule { position:absolute; inset:0; z-index:-1; pointer-events:none; max-width:1240px; margin:0 auto; }
.postit {
  position:absolute; padding:12px 16px; border-radius:6px;
  font-family:'Caveat',cursive; font-weight:700; font-size:24px; line-height:1.1; color:#3a2a00;
  background:linear-gradient(160deg,#fff4a8,#ffe46b);
  box-shadow:var(--shadow-card), 0 20px 30px -14px rgba(0,0,0,.28);
  animation:galleggia 7s ease-in-out infinite;
}
.postit--rosa { background:linear-gradient(160deg,#ffd9e0,#ffb8c4); color:#5a0010; }
.postit--1 { left:4%;  top:22%; rotate:-6deg; }
.postit--2 { right:5%; top:16%; rotate:5deg;  animation-delay:-2.5s; }
.postit--3 { right:9%; bottom:14%; rotate:-3deg; animation-delay:-4.5s; }
@keyframes galleggia { 50% { translate:0 -10px; } }
@media(max-width:900px){ .formule { display:none; } }

/* ----- Comparsa allo scroll ---------------------------------
   Attiva solo se main.js gira (classe .js su <html>) e solo per
   elementi sotto la piega: il contenuto iniziale non aspetta mai. */
.js .rv { opacity:0; transform:translateY(26px); transition:opacity .8s ease, transform .8s cubic-bezier(.2,.8,.2,1); }
.js .rv.in { opacity:1; transform:none; }

/* ----- Statistiche ------------------------------------------ */
.stat-number { font-family:var(--font-head); }
.stat-icon { box-shadow:inset 0 1px 0 rgba(255,255,255,.15), 0 8px 18px -8px rgba(0,0,0,.6); }

/* ============================================================
   HERO HOMEPAGE — lavagna 3D
   ============================================================ */
.hx { position:relative; overflow:hidden; isolation:isolate; padding:84px 24px 110px;
  background:
    radial-gradient(900px 500px at 85% 10%, rgba(213,1,15,.07), transparent 60%),
    radial-gradient(700px 400px at 0% 100%, rgba(213,1,15,.05), transparent 60%),
    linear-gradient(180deg,#fff 0%,var(--bg-soft) 100%); }
.hx::before { content:""; position:absolute; inset:0; z-index:-1; pointer-events:none;
  background-image:linear-gradient(rgba(213,1,15,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(213,1,15,.06) 1px,transparent 1px);
  background-size:28px 28px;
  -webkit-mask-image:radial-gradient(ellipse at 70% 40%,#000 0%,transparent 70%);
          mask-image:radial-gradient(ellipse at 70% 40%,#000 0%,transparent 70%); }
.hx-in { max-width:var(--max-w); margin:0 auto; display:grid; grid-template-columns:1.05fr 1fr; gap:56px; align-items:center; }
.hx h1 { font-size:clamp(38px,5vw,60px); margin-bottom:22px; }
.hx h1 .chiave { position:relative; display:inline-block; color:var(--blue); }
.hx h1 .chiave svg { position:absolute; left:-2%; bottom:-.16em; width:104%; height:.4em; overflow:visible; }
.hx h1 .chiave path { fill:none; stroke:var(--blue); stroke-width:5; stroke-linecap:round; stroke-dasharray:400; stroke-dashoffset:400; animation:traccia 1.1s .6s cubic-bezier(.6,0,.2,1) forwards; }
@keyframes traccia { to { stroke-dashoffset:0; } }
.hx .hero-sub { margin:0 0 34px; max-width:540px; color:#4a4a52; }
.hx .hero-ctas { justify-content:flex-start; }
.hx .hero-badge .ok { width:28px; height:28px; flex:none; border-radius:50%; display:grid; place-items:center; color:#fff;
  background:linear-gradient(160deg,#22c55e,#15803d); box-shadow:0 6px 14px -4px rgba(21,128,61,.55); }
.hx .hero-badge .ok svg { color:#fff; }

.scena { position:relative; perspective:1200px; height:480px; }
.tilt { position:absolute; inset:0; transform-style:preserve-3d; transition:transform .25s ease-out; transform:rotateX(6deg) rotateY(-12deg); }
.lav { position:absolute; left:4%; top:8%; width:86%; height:78%; border-radius:18px; padding:30px 34px;
  background:radial-gradient(120% 80% at 30% 0%, #2b3a34, #1f2a26 70%);
  border:10px solid #8a5a35;
  box-shadow:inset 0 0 0 2px rgba(0,0,0,.25), inset 0 0 60px rgba(0,0,0,.45), var(--shadow-deep);
  font-family:'Caveat',cursive; font-weight:700; color:#f4f1ea; }
.lav::after { content:""; position:absolute; inset:0; border-radius:8px; pointer-events:none; opacity:.12;
  background-image:radial-gradient(rgba(255,255,255,.9) 1px,transparent 1.2px); background-size:7px 9px; }
.lav .tit { font-size:20px; opacity:.55; margin-bottom:6px; letter-spacing:.5px; }
.riga { font-size:clamp(28px,3.2vw,40px); line-height:1.35; height:1.35em; white-space:nowrap; }
.riga .giallo { color:#ffd76a; }
.riga .rosso { color:#ff8a8a; }
.caret { display:inline-block; width:3px; height:.9em; background:#f4f1ea; margin-left:3px; vertical-align:-.1em; animation:blink .8s steps(1) infinite; }
@keyframes blink { 50% { opacity:0; } }
.cerchio { position:absolute; pointer-events:none; overflow:visible; }
.cerchio path { fill:none; stroke:#ff6b6b; stroke-width:3; stroke-linecap:round; stroke-dasharray:300; stroke-dashoffset:300; }
.cerchio.on path { animation:traccia .7s ease-out forwards; }
.gesso { position:absolute; bottom:-14px; left:24%; width:70px; height:12px; border-radius:3px; background:linear-gradient(#fff,#ddd); box-shadow:0 4px 6px rgba(0,0,0,.3); transform:rotate(-4deg); }

.fl { position:absolute; transform-style:preserve-3d; }
.fl .postit { position:static; }
.f1 { right:-2%; top:0;       transform:translateZ(90px)  rotate(6deg); }
.f2 { left:-4%;  bottom:6%;   transform:translateZ(120px) rotate(-5deg); }
.f3 { right:2%;  bottom:-2%;  transform:translateZ(150px); }
.motto { display:flex; align-items:center; gap:12px; padding:12px 18px 12px 12px; border-radius:16px;
  background:rgba(255,255,255,.88); border:1px solid #fff; box-shadow:var(--shadow-deep);
  opacity:0; transform:translateY(20px) scale(.9); transition:opacity .6s, transform .6s cubic-bezier(.2,1.4,.4,1); }
.motto.on { opacity:1; transform:none; }
.motto .spunta { width:48px; height:48px; border-radius:12px; display:grid; place-items:center; color:#fff;
  background:linear-gradient(160deg,#22c55e,#15803d); box-shadow:0 6px 14px -4px rgba(21,128,61,.6); }
.motto b { display:block; font-family:var(--font-head); font-size:16px; color:#111; line-height:1.25; }
.motto small { font-size:13px; color:#666; line-height:1.3; display:block; }
.spark { position:absolute; right:16%; bottom:22%; width:1px; height:1px; transform:translateZ(110px); }
.spark i { position:absolute; font-style:normal; font-family:var(--font-head); font-weight:800; font-size:18px; color:#16a34a; opacity:0; animation:sale 2.4s ease-out forwards; }
@keyframes sale { 0% { opacity:0; transform:translate(0,0) scale(.6); } 15% { opacity:1; } 100% { opacity:0; transform:translate(var(--dx),-170px) scale(1.15) rotate(var(--r)); } }
.sigillo { position:absolute; left:-30px; top:-30px; width:118px; height:118px; transform:translateZ(70px); }
.sigillo .ruota { width:100%; height:100%; animation:gira 22s linear infinite; }
@keyframes gira { to { transform:rotate(360deg); } }
.sigillo .centro { position:absolute; inset:26%; border-radius:50%; display:grid; place-items:center; color:#fff;
  font-family:var(--font-head); font-weight:800; font-size:20px; background:var(--blue);
  box-shadow:0 8px 18px -4px rgba(213,1,15,.6), inset 0 1px 0 rgba(255,255,255,.3); }
/* fuori schermo: tutto fermo (risparmia batteria/CPU) */
.scena.ferma *, .scena.ferma *::before, .scena.ferma *::after { animation-play-state:paused !important; }

@media(max-width:900px){
  .hx { padding:56px 20px 72px; }
  .hx-in { grid-template-columns:1fr; gap:36px; }
  .scena { height:340px; max-width:520px; width:100%; margin:0 auto; }
  .lav { top:10%; height:72%; }
  .tilt { transform:rotateX(4deg) rotateY(-6deg); }
  .sigillo { width:92px; height:92px; left:-6px; top:-24px; }
  .sigillo .centro { font-size:16px; }
  .f1 { right:0; } .f2 { left:0; }
  .hx .hero-ctas { flex-direction:row; }
}
@media(max-width:768px){
  .hx .hero-ctas { flex-direction:column; align-items:stretch; }
  .hx .hero-ctas .btn { max-width:none; }
}
@media(max-width:480px){
  .lav { padding:22px 20px; border-width:8px; }
  .fl .postit { font-size:20px; padding:10px 14px; }
  .motto { padding:10px 14px 10px 10px; }
  .motto .spunta { width:40px; height:40px; }
}

/* ----- Movimento ridotto: tutto fermo e visibile ------------ */
@media (prefers-reduced-motion: reduce){
  *, *::before, *::after { animation:none !important; transition:none !important; }
  .js .rv, .motto { opacity:1; transform:none; }
  .hx h1 .chiave path { stroke-dashoffset:0; }
}

/* ============================================================
   NASTRO VIDEO — scorrimento orizzontale continuo
   main.js duplica le card (copia aria-hidden) e attiva l'animazione;
   senza JS resta una fila scorrevole a mano.
   ============================================================ */
.nastro {
  overflow-x:auto; scrollbar-width:none; margin:0 -24px; padding:12px 0 36px;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 80px,#000 calc(100% - 80px),transparent 100%);
          mask-image:linear-gradient(90deg,transparent 0,#000 80px,#000 calc(100% - 80px),transparent 100%);
}
.nastro::-webkit-scrollbar { display:none; }
.nastro.attivo { overflow:hidden; }
.nastro-track { display:flex; width:max-content; }
.nastro.attivo .nastro-track { animation:scorri var(--durata,80s) linear infinite; }
.nastro.attivo:hover .nastro-track, .nastro.attivo:focus-within .nastro-track, .nastro.fermo .nastro-track { animation-play-state:paused; }
@keyframes scorri { to { transform:translateX(-50%); } }
.nastro-item { width:320px; flex:none; margin-right:24px; }
.nastro-item a { display:block; text-decoration:none; }
.nastro-item a:hover { text-decoration:none; }
.nastro-item .video-thumb { height:auto; aspect-ratio:16/9; overflow:hidden; background:var(--primary); }
.nastro-item .video-thumb img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; transition:transform .5s cubic-bezier(.2,.8,.2,1); }
.nastro-item .video-thumb::after { content:""; position:absolute; inset:0; background:rgba(0,0,0,.22); transition:background .2s; }
.nastro-item:hover .video-thumb img { transform:scale(1.06); }
.nastro-item:hover .video-thumb::after { background:rgba(0,0,0,.1); }
.nastro-item .play-btn { position:relative; z-index:1; box-shadow:0 8px 20px -6px rgba(0,0,0,.5); }
@media(max-width:768px){
  .nastro { margin:0 -20px; -webkit-mask-image:none; mask-image:none; }
  .nastro-item { width:260px; margin-right:16px; }
}
@media (prefers-reduced-motion: reduce){ .nastro.attivo { overflow-x:auto; } }