/* =========================================================
   PHYTOÉNERGIE® — Linea Phytoénergie one-page
   Design tokens — tema scuro
   ========================================================= */
:root{
  --bg: #0a0a0b;            /* nero "da web", non puro #000 */
  --bg-elevated: #151517;
  --bg-elevated-2: #1c1c1f;
  --hairline: #29292c;

  --forest: #17a591;
  --forest-deep: #0b6b61;
  --sage: #8fd6b8;
  --gold: #c69a4b;
  --gold-light: #e3c07f;

  --ink: #f2f1ec;
  --ink-soft: #b7b6b0;
  --ink-faint: #86857f;
  --white: #ffffff;

  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body: "Manrope", "Segoe UI", system-ui, sans-serif;

  --radius-lg: 28px;
  --radius-md: 18px;
  --shadow-soft: 0 18px 45px -20px rgba(0,0,0,.6);
  --ease: cubic-bezier(.22,.68,0,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  line-height:1.55;
}

img{ max-width:100%; display:block; }
a{ color:inherit; }
h1,h2,h3{ font-family:var(--font-display); color:var(--white); margin:0 0 .5em; line-height:1.12; font-weight:600; }
p{ margin:0 0 1em; color:var(--ink-soft); }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; }

.skip-link{
  position:absolute; left:-999px; top:0; background:var(--gold); color:var(--bg);
  padding:.8em 1.2em; z-index:1000; border-radius:0 0 8px 0; font-weight:700;
}
.skip-link:focus{ left:0; }

:focus-visible{ outline:3px solid var(--gold); outline-offset:3px; }

/* =========================================================
   Layout helpers
   ========================================================= */
.section-head{
  max-width:640px;
  margin:0 auto 3rem;
  padding:0 1.5rem;
  text-align:center;
}
.section-head h2{ font-size:clamp(1.7rem, 3.4vw, 2.5rem); }
.eyebrow{
  font-family:var(--font-body);
  font-weight:700;
  color:var(--gold-light);
  letter-spacing:.02em;
  font-size:.95rem;
  margin:0 0 .6em;
}

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.5em;
  padding:.95em 1.8em;
  border-radius:100px;
  font-weight:700;
  font-size:1rem;
  text-decoration:none;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background .3s, color .3s, border-color .3s;
}
.btn--primary{ background:var(--gold); color:var(--bg); }
.btn--primary:hover{ background:var(--gold-light); }
.btn--ghost{ background:rgba(255,255,255,.06); color:var(--white); border-color:rgba(255,255,255,.35); }
.btn--ghost:hover{ background:rgba(255,255,255,.14); }
.btn--outline{ background:transparent; color:var(--gold-light); border-color:var(--gold-light); }
.btn--outline:hover{ background:var(--gold-light); color:var(--bg); }
.btn--small{ padding:.65em 1.3em; font-size:.9rem; }

/* =========================================================
   NAVBAR
   ========================================================= */
.nav{
  position:fixed; inset:0 0 auto 0; z-index:100;
  background:rgba(10,10,11,0);
  transition:background .4s var(--ease), box-shadow .4s var(--ease), padding .3s;
}
.nav__inner{
  max-width:1240px; margin:0 auto;
  display:flex; align-items:center; gap:2rem;
  padding:1.15rem 1.5rem;
}
.nav.is-scrolled{ background:rgba(10,10,11,.86); backdrop-filter:blur(14px) saturate(1.2); box-shadow:0 8px 30px -18px rgba(0,0,0,.7); border-bottom:1px solid var(--hairline); }
.nav.is-scrolled .nav__inner{ padding-block:.75rem; }

.nav__logo{
  display:flex; align-items:center; gap:.5em;
  font-family:var(--font-display); font-weight:600; font-size:1.3rem;
  color:var(--white); text-decoration:none; white-space:nowrap;
}
.nav__reg{ font-size:.55em; vertical-align:super; }

.nav__links{ display:flex; gap:1.8rem; margin-left:auto; }
.nav__links a{
  text-decoration:none; font-weight:600; font-size:.96rem;
  color:rgba(242,241,236,.85); position:relative; padding:.2em 0;
}
.nav__links a::after{
  content:""; position:absolute; left:0; right:100%; bottom:-4px; height:2px; background:var(--gold);
  transition:right .3s var(--ease);
}
.nav__links a:hover::after{ right:0; }

.nav__burger{ display:none; background:none; border:0; width:34px; height:24px; position:relative; cursor:pointer; margin-left:.5rem; }
.nav__burger span{ position:absolute; left:0; right:0; height:2.4px; background:var(--white); border-radius:2px; transition:transform .3s, opacity .3s; }
.nav__burger span:nth-child(1){ top:2px; }
.nav__burger span:nth-child(2){ top:11px; }
.nav__burger span:nth-child(3){ top:20px; }
.nav__burger[aria-expanded="true"] span:nth-child(1){ transform:translateY(9px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav__burger[aria-expanded="true"] span:nth-child(3){ transform:translateY(-9px) rotate(-45deg); }

.nav__mobile{
  display:none; flex-direction:column; gap:.2rem;
  background:var(--bg); padding:0 1.5rem;
  max-height:0; overflow:hidden; transition:max-height .4s var(--ease);
  border-bottom:1px solid var(--hairline);
}
.nav__mobile.is-open{ max-height:400px; padding-bottom:1.2rem; }
.nav__mobile a{ padding:.85rem 0; text-decoration:none; font-weight:600; color:var(--ink); border-bottom:1px solid var(--hairline); }
.nav__mobile .btn{ margin-top:.9rem; }

@media (max-width: 880px){
  .nav__links{ display:none; }
  .nav__burger{ display:block; margin-left:auto; }
  .nav__mobile{ display:flex; }
  .nav__inner .btn--small{ display:none; }
}

/* =========================================================
   HERO
   ========================================================= */
.hero{
  position:relative;
  min-height:100svh;
  display:flex; align-items:center;
  background:
    radial-gradient(70% 55% at 82% 8%, rgba(23,165,145,.16), transparent 60%),
    radial-gradient(60% 50% at 8% 95%, rgba(198,154,75,.10), transparent 60%),
    var(--bg);
  overflow:hidden;
  padding-top:6rem;
  border-bottom:1px solid var(--hairline);
}

.hero__inner{
  position:relative; z-index:1;
  max-width:1240px; margin:0 auto; width:100%;
  padding:2rem 1.5rem 5rem;
  display:grid; grid-template-columns:1.05fr .95fr; gap:3rem; align-items:center;
}

.hero .eyebrow{ color:var(--gold-light); }
.hero__title{
  color:var(--white);
  font-size:clamp(2.3rem, 4.6vw, 3.6rem);
  max-width:14ch;
}
.hero__sub{
  color:var(--ink-soft);
  font-size:1.1rem;
  max-width:46ch;
  margin-bottom:2rem;
}
.hero__cta{ display:flex; flex-wrap:wrap; gap:1rem; margin-bottom:2.6rem; }
.hero__trust{ display:flex; gap:2rem; flex-wrap:wrap; }
.hero__trust li{ color:var(--ink-soft); font-size:.9rem; }
.hero__trust strong{ display:block; font-family:var(--font-display); font-size:1.5rem; color:var(--gold-light); }

@media (max-width: 980px){
  .hero__inner{ grid-template-columns:1fr; text-align:center; padding-bottom:3rem; }
  .hero__title{ margin-inline:auto; }
  .hero__sub{ margin-inline:auto; }
  .hero__cta{ justify-content:center; }
  .hero__trust{ justify-content:center; }
}

/* =========================================================
   PHOTO FRAMES — spazio riservato alle fotografie del cliente
   L'animazione (ken-burns + parallasse) si attiva sull'immagine
   reale una volta inserita: sostituire il contenuto interno
   di .photo-frame con <img class="photo-frame__img" src="..." alt="...">
   ========================================================= */
.photo-frame{
  position:relative; overflow:hidden; border-radius:var(--radius-lg);
  background:var(--bg-elevated);
  border:1px dashed var(--hairline);
  display:flex; align-items:center; justify-content:center;
  text-align:center;
  isolation:isolate;
}
.photo-frame--hero{ aspect-ratio:4/5; }
.photo-frame--product{ aspect-ratio:1/1; max-width:420px; margin-inline:auto; width:100%; }

.photo-frame__placeholder{
  padding:2rem; color:var(--ink-faint); font-size:.9rem; max-width:22ch;
}
.photo-frame__placeholder svg{ margin:0 auto .8rem; opacity:.7; }

.photo-frame__img{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  transform:scale(1.06);            /* impostato via JS insieme al parallasse */
  will-change:transform;
}
@media (prefers-reduced-motion: reduce){
  .photo-frame__img{ transform:none !important; }
}

/* =========================================================
   VALUE PROPS
   ========================================================= */
.values{ padding:6rem 1.5rem; max-width:1240px; margin:0 auto; }
.values__grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:2rem; }
.value-card{
  background:var(--bg-elevated);
  padding:2.4rem 2rem;
  border-radius:20px;
  border:1px solid var(--hairline);
}
.value-card__icon{
  width:56px; height:56px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  background:var(--bg-elevated-2);
  color:var(--gold-light); margin-bottom:1.4rem;
}
.value-card h3{ font-size:1.2rem; }
.value-card p{ font-size:.97rem; }

@media (max-width: 880px){ .values__grid{ grid-template-columns:1fr; } }

/* =========================================================
   PRODUCTS
   ========================================================= */
.products{ padding:2rem 1.5rem 5rem; max-width:1240px; margin:0 auto; }

.product{
  display:grid; grid-template-columns:.85fr 1.15fr; gap:3.5rem; align-items:center;
  padding:4rem 0; border-top:1px solid var(--hairline);
}
.product:first-of-type{ border-top:none; }
.product--reverse{ direction:rtl; }
.product--reverse > *{ direction:ltr; }

.product__kicker{ color:var(--gold-light); font-weight:700; font-size:.9rem; margin-bottom:.5em; }
.product__copy h3{ font-size:clamp(1.35rem,2.4vw,1.8rem); max-width:22ch; color:var(--white); }
.product__features{ margin:1.4rem 0 1.8rem; display:grid; gap:.7rem; }
.product__features li{ color:var(--ink-soft); font-size:.96rem; padding-left:1.4em; position:relative; }
.product__features li::before{
  content:""; position:absolute; left:0; top:.5em; width:8px; height:8px; border-radius:50%;
  background:var(--gold);
}
.product__note{ font-size:.85rem; font-style:italic; color:var(--sage); }

@media (max-width: 880px){
  .product, .product--reverse{ grid-template-columns:1fr; direction:ltr; text-align:center; padding:3rem 0; }
  .product__copy h3{ margin-inline:auto; }
  .product__features{ text-align:left; }
}

/* =========================================================
   SHOP
   ========================================================= */
.shop{ background:var(--bg-elevated); padding:5rem 1.5rem; border-top:1px solid var(--hairline); border-bottom:1px solid var(--hairline); }
.shop__embed{ max-width:1100px; margin:0 auto; }
.shop__embed, .shop__embed *{ color-scheme: light; } /* Ecwid widget presume sfondo chiaro */

.cart{ position:fixed; right:1.2rem; bottom:1.2rem; z-index:90; }

/* =========================================================
   TESTIMONIALS
   ========================================================= */
.testimonials{ padding:6rem 1.5rem; max-width:1240px; margin:0 auto; }
.testimonials__stats{
  display:flex; justify-content:center; gap:3.5rem; flex-wrap:wrap; margin-bottom:3.5rem;
}
.testimonials__stats div{ text-align:center; }
.testimonials__stats strong{ display:block; font-family:var(--font-display); font-size:2rem; color:var(--gold-light); }
.testimonials__stats span{ font-size:.85rem; color:var(--ink-soft); }

.testimonials__grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:2rem; }
.testimonial-card{
  margin:0; background:var(--bg-elevated); padding:2.2rem; border-radius:20px;
  border:1px solid var(--hairline);
}
.testimonial-card__rating{ color:var(--gold); letter-spacing:.15em; margin-bottom:.8rem; }
.testimonial-card blockquote{ margin:0 0 1.2rem; font-size:1rem; color:var(--ink); }
.testimonial-card figcaption strong{ display:block; font-size:.95rem; color:var(--white); }
.testimonial-card figcaption span{ font-size:.82rem; color:var(--ink-faint); }

@media (max-width: 880px){ .testimonials__grid{ grid-template-columns:1fr; } }

/* =========================================================
   FAQ
   ========================================================= */
.faq{ padding:5rem 1.5rem 7rem; max-width:800px; margin:0 auto; }
.faq-item{ border-bottom:1px solid var(--hairline); }
.faq-item h3{ margin:0; font-size:1rem; }
.faq-item__q{
  width:100%; text-align:left; background:none; border:0; cursor:pointer;
  padding:1.4rem 2.4rem 1.4rem 0; position:relative;
  font-family:var(--font-display); font-weight:600; font-size:1.08rem; color:var(--white);
}
.faq-item__q::after{
  content:"+"; position:absolute; right:0; top:50%; transform:translateY(-50%);
  font-size:1.6rem; color:var(--gold-light); transition:transform .35s var(--ease);
}
.faq-item__q[aria-expanded="true"]::after{ transform:translateY(-50%) rotate(135deg); }
.faq-item__a{ max-height:0; overflow:hidden; transition:max-height .4s var(--ease); }
.faq-item__a p{ padding-bottom:1.4rem; margin:0; }

/* =========================================================
   FOOTER
   ========================================================= */
.footer{ background:var(--bg); color:var(--ink-soft); border-top:1px solid var(--hairline); }
.footer__inner{
  max-width:1240px; margin:0 auto; padding:4rem 1.5rem 2.5rem;
  display:grid; grid-template-columns:1.1fr 1fr 1fr 1.3fr; gap:2.5rem;
}
.footer__brand{ display:flex; align-items:center; gap:.6em; font-family:var(--font-display); color:#fff; font-size:1.1rem; }
.footer__col p{ margin:0 0 .6em; color:var(--ink-faint); font-size:.92rem; }
.footer__col strong{ color:var(--ink); }
.footer__col a{ text-decoration:none; }
.footer__col a:hover{ text-decoration:underline; }
.footer__disclaimer p{ font-size:.82rem; line-height:1.6; }

.footer__bottom{
  border-top:1px solid var(--hairline);
  padding:1.4rem 1.5rem; max-width:1240px; margin:0 auto;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:.6rem;
  font-size:.82rem;
}
.footer__bottom a{ text-decoration:underline; }

@media (max-width: 880px){
  .footer__inner{ grid-template-columns:1fr 1fr; }
  .footer__bottom{ justify-content:center; text-align:center; }
}
@media (max-width: 560px){
  .footer__inner{ grid-template-columns:1fr; text-align:left; }
}