/* ============================================================
   Studio Pilates Professionale — tema "studio sereno"
   Palette derivata dal logo: blu #3FA9D0 / viola #6E6EA6,
   blu brand #0068A0, CTA calda #E16B43 (ereditata dal sito).
   ============================================================ */
:root {
  --navy: #0e1520;
  --navy-2: #131d2b;
  --ink: #1c2733;
  --paper: #f7f5f0;
  --card: #ffffff;
  --blue: #0068a0;
  --blue-deep: #005b8c;
  --sky: #3fa9d0;
  --violet: #6e6ea6;
  --coral: #e16b43;
  --coral-deep: #c95a35;
  --line: #e3ddd2;
  --muted: #5b6673;
  --muted-light: #a9b6c4;
  --radius: 14px;
  --shadow: 0 18px 40px -18px rgba(14, 21, 32, .28);
  --font-display: "Montserrat", system-ui, sans-serif;
  --font-text: "Roboto", system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

html, body { overflow-x: hidden; }

body {
  font-family: var(--font-text);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

.container { width: min(1120px, 92%); margin-inline: auto; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.12;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 5.2vw, 3.9rem); font-weight: 900; }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.7rem); font-weight: 800; }
h3 { font-size: 1.35rem; font-weight: 700; }

.eyebrow {
  font-family: var(--font-display);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--coral);
  margin-bottom: .9rem;
}

/* ---------- Bottoni ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .95rem;
  padding: .85rem 1.6rem;
  border-radius: 999px;
  text-decoration: none;
  border: 2px solid transparent;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  cursor: pointer;
}
.btn:hover { transform: translateY(-2px); }
.btn-lg { padding: 1.05rem 2.1rem; font-size: 1rem; }
.btn-block { width: 100%; }
.btn-accent { background: var(--coral); color: #fff; box-shadow: 0 10px 24px -10px rgba(225, 107, 67, .65); }
.btn-accent:hover { background: var(--coral-deep); }
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 24px -10px rgba(0, 104, 160, .6); }
.btn-primary:hover { background: var(--blue-deep); }
.btn-ghost { color: #fff; border-color: rgba(255, 255, 255, .45); }
.btn-ghost:hover { border-color: #fff; background: rgba(255, 255, 255, .08); }
.btn-light { background: #fff; color: var(--blue-deep); }
.btn-outline-light { color: #fff; border-color: rgba(255, 255, 255, .6); }
.btn-outline-light:hover { background: rgba(255, 255, 255, .12); }
.btn-outline-dark { color: var(--blue-deep); border-color: var(--blue); }
.btn-outline-dark:hover { background: var(--blue); color: #fff; }
.btn-whatsapp { background: #1fa855; color: #fff; box-shadow: 0 10px 24px -10px rgba(31, 168, 85, .6); }
.btn-whatsapp:hover { background: #178f46; }

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(14, 21, 32, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: .7rem 0;
}
.brand img { width: 200px; height: auto; }
.nav {
  display: flex;
  align-items: center;
  gap: clamp(.9rem, 1.6vw, 1.6rem);
  margin-left: auto;
}
.nav a:not(.nav-cta) {
  font-family: var(--font-display);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted-light);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  padding: .4rem 0;
  transition: color .15s ease;
}
.nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: var(--sky);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}
.nav a:not(.nav-cta):hover,
.nav a:not(.nav-cta).active { color: #fff; }
.nav a:not(.nav-cta):hover::after,
.nav a:not(.nav-cta).active::after { transform: scaleX(1); }
.nav-cta { padding: .6rem 1.25rem; font-size: .82rem; white-space: nowrap; }
.header-phone {
  color: #fff;
  display: inline-flex;
  padding: .55rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, .1);
  transition: background .15s ease;
}
.header-phone:hover { background: var(--blue); }
.nav-toggle { display: none; }

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(1000px 500px at 85% -10%, rgba(110, 110, 166, .35), transparent 60%),
    radial-gradient(800px 420px at -10% 110%, rgba(63, 169, 208, .18), transparent 55%),
    var(--navy);
  color: #fff;
  padding: clamp(3.5rem, 8vw, 6.5rem) 0 clamp(4rem, 9vw, 7rem);
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  height: 70px;
  background: var(--paper);
  clip-path: ellipse(60% 100% at 50% 100%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.hero .eyebrow { color: var(--sky); }
.hero h1 .accent { color: var(--sky); }
.lead {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: #cfd9e2;
  margin: 1.2rem 0 1.8rem;
  max-width: 34ch;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; }
.hero-stats {
  display: flex;
  gap: 2.2rem;
  margin-top: 2.6rem;
  padding-top: 1.6rem;
  border-top: 1px solid rgba(255, 255, 255, .14);
}
.hero-stats strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
}
.hero-stats span { font-size: .85rem; color: var(--muted-light); }
.hero-photo { position: relative; }
.hero-photo img {
  border-radius: var(--radius);
  box-shadow: 0 30px 60px -25px rgba(0, 0, 0, .6);
}
.hero-photo figcaption {
  position: absolute;
  left: 1.1rem;
  bottom: 1.1rem;
  background: rgba(14, 21, 32, .82);
  backdrop-filter: blur(6px);
  color: #fff;
  font-family: var(--font-display);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .08em;
  padding: .5rem .9rem;
  border-radius: 999px;
}

/* ---------- Metodo ---------- */
.metodo { padding: clamp(4rem, 9vw, 6.5rem) 0; }
.metodo-grid {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.metodo-photo img { border-radius: var(--radius); box-shadow: var(--shadow); }
.metodo-copy p + p { margin-top: 1rem; }
.metodo-copy .btn { margin-top: 1.6rem; }

/* ---------- Banda CTA ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--blue) 0%, var(--violet) 100%);
  color: #fff;
  padding: clamp(3rem, 6vw, 4.5rem) 0;
}
.cta-band-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.cta-band p { color: rgba(255, 255, 255, .85); margin-top: .4rem; }
.cta-actions { display: flex; flex-wrap: wrap; gap: .9rem; }

/* ---------- Promozioni ---------- */
.promo { padding: clamp(4rem, 9vw, 6.5rem) 0; }
.section-head { max-width: 640px; margin-bottom: 2.8rem; }
.promo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.6rem;
  max-width: 880px;
}
.promo-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2.2rem 1.9rem;
  box-shadow: var(--shadow);
  position: relative;
  display: flex;
  flex-direction: column;
}
.promo-card-featured { border: 2px solid var(--coral); }
.promo-tag {
  align-self: flex-start;
  font-family: var(--font-display);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--blue-deep);
  background: rgba(0, 104, 160, .1);
  padding: .4rem .8rem;
  border-radius: 999px;
  margin-bottom: 1.2rem;
}
.promo-tag-dark { color: #fff; background: var(--coral); }
.promo-price {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--navy);
  margin: .6rem 0 1.2rem;
}
.promo-old {
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--coral);
  vertical-align: middle;
}
.promo-perks { list-style: none; margin-bottom: 1.8rem; }
.promo-perks li { padding: .45rem 0 .45rem 1.6rem; position: relative; color: var(--muted); }
.promo-perks li::before {
  content: "";
  position: absolute;
  left: 0; top: .78rem;
  width: 14px; height: 14px;
  background: var(--sky);
  clip-path: polygon(14% 48%, 0 65%, 40% 100%, 100% 16%, 84% 0, 38% 68%);
}
.promo-note {
  text-align: center;
  font-size: .8rem;
  color: var(--muted);
  margin-top: .8rem;
}
.promo-card .btn-accent { margin-top: auto; }

/* ---------- Recensioni ---------- */
.reviews {
  background: var(--navy-2);
  color: #fff;
  padding: clamp(4rem, 9vw, 6.5rem) 0;
  position: relative;
}
.reviews::before {
  content: "";
  position: absolute;
  top: -1px; left: 0; right: 0;
  height: 60px;
  background: var(--paper);
  clip-path: ellipse(60% 100% at 50% 0%);
}
.reviews .eyebrow { color: var(--sky); }
.review-badges { display: flex; gap: 1rem; margin-top: 1.6rem; flex-wrap: wrap; }
.badge-source {
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 10px;
  padding: .9rem 1.3rem;
  font-family: var(--font-display);
}
.badge-source strong { font-size: 1rem; }
.badge-source .stars { color: #f5b942; letter-spacing: .15em; font-size: .85rem; }
.badge-source span:last-child { font-family: var(--font-text); font-size: .82rem; color: var(--muted-light); }
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.4rem;
}
.review {
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--radius);
  padding: 1.7rem;
  display: flex;
  flex-direction: column;
}
.review::before {
  content: "“";
  font-family: var(--font-display);
  font-size: 3.4rem;
  line-height: 1;
  color: var(--sky);
  display: block;
  margin-bottom: .4rem;
}
.review p { color: #dbe4ec; font-size: .98rem; }
.review footer {
  margin-top: auto;
  padding-top: 1.2rem;
}
.review footer strong {
  display: block;
  font-family: var(--font-display);
  font-size: .95rem;
}
.review footer span { font-size: .8rem; color: var(--muted-light); }

/* ---------- Contatti ---------- */
.contatti { padding: clamp(4rem, 9vw, 6.5rem) 0; }
.contatti-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.contatti-lead { color: var(--muted); margin: 1rem 0 1.6rem; }
.contact-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-bottom: 1.8rem; }
.contact-list { list-style: none; }
.contact-list li {
  display: flex;
  align-items: center;
  gap: .7rem;
  padding: .45rem 0;
  color: var(--blue-deep);
}
.contact-list a { color: inherit; font-weight: 500; }
.app-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.app-card img { aspect-ratio: 751 / 630; object-fit: cover; }
.app-card figcaption { padding: 1.6rem 1.8rem 1.8rem; }
.app-card figcaption p { color: var(--muted); margin-top: .4rem; font-size: .95rem; }

/* ---------- Footer ---------- */
.footer {
  background: var(--navy);
  color: var(--muted-light);
  padding: 3.5rem 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
}
.footer-brand img { width: 180px; height: auto; margin-bottom: 1rem; }
.footer-brand p { font-size: .92rem; max-width: 26ch; }
.footer h4 {
  color: #fff;
  font-size: .85rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.footer ul { list-style: none; }
.footer ul li { padding: .3rem 0; }
.footer a { color: var(--muted-light); text-decoration: none; transition: color .15s ease; }
.footer a:hover { color: var(--sky); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 1.4rem 0;
  font-size: .82rem;
}

/* ---------- WhatsApp float ---------- */
.wa-float {
  position: fixed;
  right: 1.2rem;
  bottom: 1.2rem;
  z-index: 60;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #1fa855;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 14px 30px -8px rgba(31, 168, 85, .7);
  transition: transform .18s ease;
}
.wa-float:hover { transform: scale(1.08); }

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1240px) {
  .brand img { width: 170px; }
  .nav { gap: 1rem; }
}
@media (max-width: 1080px) {
  .hero-grid, .metodo-grid, .contatti-grid { grid-template-columns: 1fr; }
  .metodo-photo { order: -1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-band-inner { flex-direction: column; align-items: flex-start; }

  .nav {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(320px, 84vw);
    background: var(--navy-2);
    flex-direction: column;
    align-items: flex-start;
    padding: 5.5rem 2rem 2rem;
    gap: 1.3rem;
    transform: translateX(100%);
    transition: transform .3s ease;
    box-shadow: -20px 0 50px rgba(0, 0, 0, .4);
  }
  .nav.open { transform: none; }
  .nav a:not(.nav-cta) { font-size: 1rem; color: #fff; }
  .nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: 0;
    padding: .5rem;
    cursor: pointer;
  }
  .header-phone { margin-left: auto; }
  .header-inner { gap: .6rem; }
  .header .brand { margin-right: 0; }
  .nav-toggle span {
    width: 24px; height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: transform .25s ease, opacity .25s ease;
  }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}
@media (max-width: 560px) {
  .brand img { width: 160px; }
  .hero-stats { gap: 1.4rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero::after, .reviews::before { height: 40px; }
}