/* ================================================================
   bionaturavita.com — Siero Anti-Aging Esosomi
   Single-page advertorial + form COD
   Design system: rosa cipria + oro champagne + bianco caldo
   Mobile-first per target donna 45-60
   ================================================================ */

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

:root {
  /* Palette anti-age — caldo, femminile, premium */
  --ink: #2a2125;
  --ink-soft: #4a3f44;
  --ink-muted: #7a6e74;
  --surface: #fffaf7;          /* bianco caldo (off-white rosato) */
  --surface-dim: #f7eee9;       /* rosa cipria chiarissimo */
  --surface-warm: #fdf6f1;
  --border: #ebd9d0;
  --border-light: #f5e6dc;

  /* Accent — oro rosa */
  --accent: #b8826d;
  --accent-hover: #9c6a55;
  --accent-light: #e8c7b6;
  --accent-pale: #faeee5;
  --accent-rgb: 184, 130, 109;

  /* CTA rosa cipria intenso (alta conversione su target femminile) */
  --cta: #c47b6c;
  --cta-hover: #a45e50;

  /* Funzionali */
  --gold: #c8a55c;
  --star: #d4a04a;
  --green: #5a8a6f;             /* green check, "ok" */
  --green-bg: #eff5f1;
  --red-bg: #fdf2f0;
  --red-icon: #c44545;

  /* Shadows soft */
  --sh-xs: 0 1px 2px rgba(42, 33, 37, 0.04);
  --sh-sm: 0 2px 8px rgba(42, 33, 37, 0.06);
  --sh-md: 0 8px 24px rgba(42, 33, 37, 0.08);
  --sh-lg: 0 16px 48px rgba(42, 33, 37, 0.10);

  /* Radius */
  --r: 14px;
  --r-sm: 8px;
  --r-full: 50px;
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 19px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }

/* =====================================
   Sponsored bar (compliance)
   ===================================== */
.sponsored-bar {
  background: #f3e8e0;
  color: #6b4f42;
  text-align: center;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

/* =====================================
   Article container
   ===================================== */
.advertorial {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 18px 40px;
}

/* =====================================
   Hero
   ===================================== */
.hero {
  margin-bottom: 36px;
}
.hero h1 {
  font-size: 30px;
  line-height: 1.22;
  font-weight: 800;
  color: var(--ink);
  margin: 0 0 14px;
  letter-spacing: -0.3px;
}
.hero .subtitle {
  font-size: 20px;
  line-height: 1.45;
  color: var(--ink-soft);
  margin-bottom: 16px;
  font-weight: 500;
}
.hero .meta {
  font-size: 14px;
  color: var(--ink-muted);
  margin-bottom: 22px;
}
.hero .meta span + span::before { content: " · "; margin: 0 4px; }

.hero-figure {
  margin: 22px 0 0;
}

/* =====================================
   Sezioni
   ===================================== */
section {
  margin-bottom: 36px;
}

h2 {
  font-size: 24px;
  line-height: 1.3;
  font-weight: 700;
  color: var(--ink);
  margin: 36px 0 16px;
  letter-spacing: -0.2px;
}
h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 22px 0 12px;
  color: var(--ink);
}

p {
  margin: 0 0 18px;
  font-size: 19px;
  line-height: 1.65;
}

strong { color: var(--ink); font-weight: 700; }
em { font-style: italic; color: var(--ink-soft); }

ul.benefits-list {
  list-style: none;
  padding: 0;
  margin: 16px 0 24px;
}
ul.benefits-list li {
  position: relative;
  padding: 10px 0 10px 32px;
  font-size: 18px;
  line-height: 1.55;
  border-bottom: 1px solid var(--border-light);
}
ul.benefits-list li:last-child { border-bottom: none; }
ul.benefits-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 800;
  font-size: 20px;
  top: 9px;
}

/* =====================================
   Hook section
   ===================================== */
.hook {
  background: var(--surface-dim);
  border-radius: var(--r);
  padding: 24px 22px;
  margin: 24px 0 32px;
}
.hook p { margin-bottom: 14px; font-size: 19px; }
.hook p:last-child { margin-bottom: 0; font-weight: 600; color: var(--ink); }

/* =====================================
   Immagini + didascalie
   ===================================== */
figure {
  margin: 24px 0;
}
figure img {
  border-radius: var(--r);
  width: 100%;
  box-shadow: var(--sh-sm);
}
figcaption {
  font-size: 16px;
  color: var(--ink-soft);
  font-style: italic;
  margin-top: 12px;
  text-align: center;
  line-height: 1.45;
}
figcaption em { color: var(--ink); font-weight: 600; }

/* =====================================
   Box studio scientifico
   ===================================== */
.study-box {
  background: var(--surface-warm);
  border-left: 4px solid var(--gold);
  padding: 18px 22px;
  margin: 28px 0;
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}
.study-box p {
  margin-bottom: 10px;
  font-size: 17px;
}
.study-box p:first-child {
  font-size: 14px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--gold);
}
.study-box p:last-child { margin-bottom: 0; }
.study-citation {
  font-size: 14px;
  color: var(--ink-muted);
  font-style: italic;
}

/* =====================================
   CTA inline (soft)
   ===================================== */
.cta-inline {
  text-align: center;
  margin: 24px 0;
}
.cta-soft {
  display: inline-block;
  padding: 12px 26px;
  background: var(--accent-pale);
  color: var(--accent-hover);
  font-weight: 700;
  font-size: 18px;
  border-radius: var(--r-full);
  border: 1.5px solid var(--accent-light);
  transition: all 0.2s;
}
.cta-soft:hover {
  background: var(--accent-light);
  color: var(--ink);
  text-decoration: none;
}

/* =====================================
   Testimonianze
   ===================================== */
.testimonials {
  margin-top: 40px;
}
.testimonial {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--surface-warm);
  padding: 18px;
  border-radius: var(--r);
  margin-bottom: 16px;
  box-shadow: var(--sh-xs);
}
.testimonial img {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: var(--sh-sm);
}
.testimonial blockquote {
  margin: 0;
}
.testimonial blockquote p {
  margin-bottom: 8px;
  font-size: 17px;
  line-height: 1.5;
  color: var(--ink-soft);
}
.testimonial cite {
  font-size: 14px;
  color: var(--accent-hover);
  font-style: normal;
  font-weight: 700;
}
.testimonials-disclaimer {
  font-size: 13px;
  color: var(--ink-muted);
  text-align: center;
  margin-top: 18px;
  line-height: 1.5;
}

/* =====================================
   Trust list
   ===================================== */
.trust ul.trust-list {
  list-style: none;
  padding: 0;
  margin: 16px 0;
}
.trust ul.trust-list li {
  position: relative;
  padding: 12px 0 12px 36px;
  border-bottom: 1px solid var(--border-light);
  font-size: 18px;
}
.trust ul.trust-list li:last-child { border-bottom: none; }
.trust ul.trust-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 11px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--green-bg);
  color: var(--green);
  text-align: center;
  line-height: 24px;
  font-weight: 800;
  font-size: 14px;
}

/* =====================================
   Offer section
   ===================================== */
.offer {
  background: linear-gradient(135deg, var(--surface-warm), var(--accent-pale));
  border-radius: var(--r);
  padding: 28px 22px;
  margin: 40px 0;
  border: 1px solid var(--border);
}

.price-block {
  background: #fff;
  border-radius: var(--r);
  padding: 18px 20px;
  margin: 20px 0;
  box-shadow: var(--sh-sm);
}
.price-block__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-light);
  font-size: 17px;
}
.price-block__row:last-child { border-bottom: none; }
.price-block__label { color: var(--ink-soft); }
.price-block__price {
  font-weight: 800;
  font-size: 22px;
  color: var(--ink);
}
.price-block__price--free {
  font-size: 14px;
  letter-spacing: 0.5px;
  color: var(--green);
  background: var(--green-bg);
  padding: 4px 10px;
  border-radius: var(--r-full);
}

.offer-note {
  font-size: 16px;
  color: var(--ink-soft);
  font-style: italic;
  margin: 16px 0 24px;
  text-align: center;
}

/* =====================================
   Form COD
   ===================================== */
.order-form {
  background: #fff;
  padding: 26px 22px;
  border-radius: var(--r);
  box-shadow: var(--sh-md);
}
.order-form h3 {
  text-align: center;
  margin: 0 0 22px;
  font-size: 22px;
  color: var(--ink);
}
.form-row {
  margin-bottom: 14px;
}
.form-row label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 6px;
}
.form-row input[type="text"],
.form-row input[type="tel"] {
  width: 100%;
  padding: 14px 14px;
  font-size: 17px;   /* >16px previene zoom iOS */
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  background: #fff;
  font-family: inherit;
  color: var(--ink);
  transition: border 0.2s;
}
.form-row input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.15);
}
.form-row--double {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 12px;
}
.form-row--checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 18px 0;
  font-size: 15px;
}
.form-row--checkbox input { margin-top: 4px; flex-shrink: 0; }
.form-row--checkbox label {
  margin-bottom: 0;
  font-weight: 400;
  color: var(--ink-soft);
  line-height: 1.45;
}

/* =====================================
   CTA principale
   ===================================== */
.cta {
  display: block;
  width: 100%;
  background: var(--cta);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  padding: 18px 22px;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: var(--r-sm);
  cursor: pointer;
  margin: 22px 0 12px;
  box-shadow: 0 6px 18px rgba(196, 123, 108, 0.32);
  transition: all 0.2s;
  font-family: inherit;
  letter-spacing: 0.2px;
}
.cta:hover, .cta:focus {
  background: var(--cta-hover);
  transform: translateY(-1px);
  color: #fff;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(196, 123, 108, 0.42);
}
.cta:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-secure {
  text-align: center;
  font-size: 14px;
  color: var(--ink-muted);
  margin: 8px 0 0;
}

/* =====================================
   Guarantee box
   ===================================== */
.guarantee {
  background: var(--green-bg);
  border-left: 4px solid var(--green);
  padding: 16px 20px;
  margin: 22px 0 0;
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}
.guarantee p { margin-bottom: 6px; font-size: 16px; }
.guarantee p:first-child { font-weight: 700; color: var(--green); }
.guarantee p:last-child { margin-bottom: 0; color: var(--ink-soft); }

/* =====================================
   Footer
   ===================================== */
.article-footer {
  margin-top: 56px;
  padding-top: 28px;
  border-top: 2px solid var(--border);
}
.disclaimer-box {
  background: var(--surface-dim);
  padding: 18px 20px;
  border-radius: var(--r-sm);
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin-bottom: 28px;
}
.disclaimer-box p { margin-bottom: 10px; }
.disclaimer-box p:last-child { margin-bottom: 0; }
.disclaimer-box strong { color: var(--ink); }

.references {
  font-size: 14px;
  color: var(--ink-muted);
  margin-bottom: 24px;
}
.references h3 {
  font-size: 14px;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--gold);
}
.references ol { padding-left: 20px; }
.references li { margin-bottom: 6px; }

.legal-links {
  font-size: 14px;
  color: var(--ink-muted);
  text-align: center;
  margin-bottom: 14px;
}
.legal-links a { color: var(--ink-muted); }

.copyright {
  font-size: 13px;
  color: var(--ink-muted);
  text-align: center;
  margin: 0;
}

/* =====================================
   Desktop refinements (tablet+)
   ===================================== */
@media (min-width: 768px) {
  .advertorial { padding: 36px 24px 60px; }
  .hero h1 { font-size: 38px; line-height: 1.18; }
  .hero .subtitle { font-size: 22px; }
  h2 { font-size: 28px; margin: 44px 0 18px; }
  body { font-size: 20px; }
  p { font-size: 20px; }
  .order-form { padding: 32px 28px; }
}

/* ================================================================
   BRAND HOME — bionaturavita.com (index.html al root)
   ================================================================ */

/* Header / Nav */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}
.site-header__inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.site-logo {
  font-size: 22px;
  font-weight: 800;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.5px;
}
.site-logo:hover { text-decoration: none; color: var(--accent-hover); }
.site-logo span { color: var(--accent); }
.site-nav {
  display: flex;
  gap: 24px;
}
.site-nav a {
  color: var(--ink-soft);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
}
.site-nav a:hover { color: var(--accent-hover); text-decoration: none; }
@media (max-width: 600px) {
  .site-nav { gap: 14px; }
  .site-nav a { font-size: 13px; }
}

/* Brand home main */
.brand-home {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px 40px;
}

/* Hero brand */
.brand-hero {
  padding: 48px 0 36px;
  text-align: center;
  background:
    radial-gradient(circle at 20% 20%, var(--accent-pale) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, var(--surface-dim) 0%, transparent 50%);
  border-radius: var(--r);
  margin-top: 24px;
}
.brand-hero__content {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}
.brand-hero__eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--accent-hover);
  margin-bottom: 14px;
}
.brand-hero h1 {
  font-size: 36px;
  line-height: 1.15;
  font-weight: 800;
  color: var(--ink);
  margin: 0 0 18px;
  letter-spacing: -0.6px;
}
.brand-hero__lead {
  font-size: 20px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0 auto 28px;
  max-width: 600px;
}
.brand-hero .cta {
  display: inline-block;
  width: auto;
  padding: 16px 32px;
  margin: 8px 0 0;
}
@media (min-width: 768px) {
  .brand-hero { padding: 80px 0 60px; }
  .brand-hero h1 { font-size: 48px; }
  .brand-hero__lead { font-size: 22px; }
}

/* Sezioni brand */
.brand-section {
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 0 24px;
}
.brand-section h2 {
  font-size: 28px;
  text-align: center;
  margin: 0 0 24px;
}
.brand-section p { font-size: 19px; line-height: 1.65; }

/* Pillars (cosa ci distingue) */
.brand-pillars {
  padding: 48px 0 24px;
}
.brand-pillars h2 {
  font-size: 28px;
  text-align: center;
  margin: 0 0 32px;
}
.pillars-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 640px) { .pillars-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .pillars-grid { grid-template-columns: repeat(4, 1fr); } }
.pillar {
  background: var(--surface-warm);
  padding: 24px 20px;
  border-radius: var(--r);
  text-align: center;
  border: 1px solid var(--border-light);
}
.pillar__icon {
  font-size: 40px;
  margin-bottom: 10px;
  line-height: 1;
}
.pillar h3 {
  font-size: 18px;
  margin: 0 0 10px;
  color: var(--ink);
}
.pillar p {
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink-soft);
  margin: 0;
}

/* Prodotti */
.brand-products {
  padding: 56px 0 32px;
}
.brand-products h2 {
  font-size: 30px;
  text-align: center;
  margin: 0 0 8px;
}
.brand-products__intro {
  text-align: center;
  color: var(--ink-soft);
  font-size: 17px;
  margin-bottom: 32px;
  font-style: italic;
}

.product-card {
  display: grid;
  grid-template-columns: 1fr;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  box-shadow: var(--sh-md);
}
@media (min-width: 768px) {
  .product-card { grid-template-columns: 1fr 1.2fr; }
}
.product-card__image {
  background: var(--surface-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  min-height: 280px;
}
.product-card__image img {
  max-width: 100%;
  height: auto;
  border-radius: var(--r-sm);
}
.product-card__body {
  padding: 28px 26px;
}
.product-card__tag {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--accent-hover);
  margin-bottom: 8px;
}
.product-card__body h3 {
  font-size: 26px;
  margin: 0 0 14px;
  color: var(--ink);
  line-height: 1.2;
}
.product-card__body p {
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin-bottom: 14px;
}
.product-card__cta {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border-light);
}
.product-card__price {
  margin-bottom: 16px;
}
.product-card__price-old {
  display: block;
  font-size: 14px;
  color: var(--ink-muted);
}
.product-card__price-new {
  display: inline-block;
  font-size: 32px;
  font-weight: 800;
  color: var(--ink);
  margin-right: 12px;
}
.product-card__price-tag {
  display: inline-block;
  background: var(--accent-pale);
  color: var(--accent-hover);
  padding: 4px 10px;
  font-size: 13px;
  font-weight: 700;
  border-radius: var(--r-full);
}
.product-card .cta {
  width: 100%;
  margin: 0;
  padding: 16px 22px;
  font-size: 18px;
}

/* Trust strip */
.brand-trust {
  margin: 36px 0;
}
.trust-strip {
  list-style: none;
  padding: 18px;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  background: var(--green-bg);
  border-radius: var(--r);
  text-align: center;
}
.trust-strip li {
  font-size: 14px;
  color: var(--ink-soft);
}
.trust-strip strong { color: var(--ink); }
@media (min-width: 768px) {
  .trust-strip { grid-template-columns: repeat(4, 1fr); }
}

/* Site footer (brand home) */
.site-footer {
  margin-top: 60px;
  padding: 32px 20px;
  background: var(--surface-dim);
  border-top: 1px solid var(--border-light);
  text-align: center;
}
.site-footer .copyright {
  font-size: 14px;
  color: var(--ink-muted);
  margin-bottom: 10px;
}
.site-footer .legal-links {
  margin: 0;
}