/* =========================================================
   AURA — Pennelli ecologici di design
   Design system
   ========================================================= */

:root {
  /* Brand palette */
  --cream:      #FBF9F5;   /* fondo caldo */
  --forest:     #1F3328;   /* testi e accenti scuri */
  --terracotta: #D27D56;   /* accento primario */
  --sand:       #E6DEC8;   /* beige sabbia */

  /* Derivati */
  --forest-70:  rgba(31, 51, 40, 0.70);
  --forest-55:  rgba(31, 51, 40, 0.55);
  --forest-12:  rgba(31, 51, 40, 0.12);
  --forest-08:  rgba(31, 51, 40, 0.07);
  --card:       #FFFDF9;
  --line:       rgba(31, 51, 40, 0.14);

  /* Tipografia */
  --font-display: "Syne", "Trebuchet MS", sans-serif;
  --font-body:    "Plus Jakarta Sans", system-ui, sans-serif;

  /* Misure */
  --maxw: 1180px;
  --radius: 18px;
  --radius-lg: 28px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --t: 0.3s var(--ease);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  color: var(--forest);
  background: var(--cream);
  line-height: 1.6;
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
ul { list-style: none; padding: 0; }

:focus-visible {
  outline: 2.5px solid var(--terracotta);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Grana / texture di fondo */
.grain {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.4;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
}

/* --------------------------- Layout --------------------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(1.1rem, 4vw, 2.75rem);
}

section { position: relative; }

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--terracotta);
  margin-bottom: 1.1rem;
}

.section-head { max-width: 640px; margin-bottom: clamp(2.5rem, 5vw, 4rem); }

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.01em;
  font-size: clamp(2rem, 1.3rem + 3.2vw, 3.4rem);
}

.section-lead {
  margin-top: 1.1rem;
  color: var(--forest-70);
  max-width: 48ch;
  font-size: 1.08rem;
}

/* --------------------------- Buttons -------------------- */
.btn {
  --pad-y: 0.95rem;
  --pad-x: 1.7rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: var(--pad-y) var(--pad-x);
  border: 1.5px solid transparent;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  transition: transform var(--t), background var(--t), color var(--t),
              border-color var(--t), box-shadow var(--t);
  will-change: transform;
}
.btn:active { transform: translateY(1px) scale(0.99); }

.btn-primary {
  background: var(--forest);
  color: var(--cream);
  box-shadow: 0 10px 24px -14px var(--forest);
}
.btn-primary:hover {
  background: var(--terracotta);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 16px 30px -14px var(--terracotta);
}

.btn-ghost {
  background: transparent;
  color: var(--forest);
  border-color: var(--line);
}
.btn-ghost:hover {
  border-color: var(--forest);
  transform: translateY(-2px);
  background: var(--forest-08);
}

.btn-sm { --pad-y: 0.65rem; --pad-x: 1.2rem; font-size: 0.85rem; }
.btn-block { width: 100%; }

/* --------------------------- Header --------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: color-mix(in srgb, var(--cream) 82%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t), background var(--t), box-shadow var(--t);
}
.site-header.scrolled {
  border-color: var(--line);
  box-shadow: 0 8px 30px -24px var(--forest);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1.05rem;
}

.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}
.logo-dot {
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--terracotta);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--terracotta) 22%, transparent);
  transition: transform var(--t);
}
.logo:hover .logo-dot { transform: scale(1.25) rotate(20deg); }

.nav {
  display: flex;
  gap: clamp(1.2rem, 2.5vw, 2.4rem);
  margin-left: auto;
}
.nav a {
  position: relative;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--forest-70);
  padding-block: 0.3rem;
  transition: color var(--t);
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1.5px;
  background: var(--terracotta);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t);
}
.nav a:hover { color: var(--forest); }
.nav a:hover::after { transform: scaleX(1); }

.nav-cta { margin-left: 0.5rem; }

/* Menu toggle (mobile) */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
}
.menu-toggle span {
  width: 24px; height: 2px;
  background: var(--forest);
  border-radius: 2px;
  transition: transform var(--t), opacity var(--t);
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0 clamp(1.1rem, 4vw, 2.75rem) 1.25rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease);
}
.mobile-nav a {
  padding: 0.85rem 0.25rem;
  border-bottom: 1px solid var(--line);
  font-weight: 500;
}
.mobile-nav.open { max-height: 420px; }
.mobile-cta { margin-top: 0.9rem; border-bottom: none !important; }

/* --------------------------- Hero ----------------------- */
.hero {
  padding-top: clamp(3rem, 7vw, 6rem);
  padding-bottom: clamp(3.5rem, 8vw, 7rem);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.9rem, 1.4rem + 6.4vw, 5.6rem);
  line-height: 0.96;
  letter-spacing: -0.02em;
  margin-block: 0.4rem 1.4rem;
}
.hero-title .accent {
  color: var(--terracotta);
  font-style: italic;
  font-family: var(--font-body);
  font-weight: 400;
}

.hero-sub {
  color: var(--forest-70);
  font-size: 1.12rem;
  max-width: 44ch;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 2.6rem;
}

.hero-meta {
  display: flex;
  gap: clamp(1.2rem, 3vw, 2.6rem);
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
}
.hero-meta div { display: flex; flex-direction: column; }
.hero-meta strong {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1;
}
.hero-meta span {
  font-size: 0.82rem;
  color: var(--forest-55);
  margin-top: 0.3rem;
}

/* Mosaico ambienti */
.hero-mosaic {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 0.9rem;
  aspect-ratio: 1 / 1.05;
}
.tile {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 120px;
  box-shadow: 0 18px 40px -28px var(--forest);
  transition: transform var(--t), box-shadow var(--t);
}
.tile::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(170deg, rgba(255,255,255,0.18), rgba(0,0,0,0.12));
}
.tile:hover { transform: translateY(-5px) rotate(-0.6deg); box-shadow: 0 26px 50px -26px var(--forest); }
.tile-label {
  position: absolute;
  left: 0.9rem; bottom: 0.85rem;
  z-index: 2;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #fff;
  background: rgba(31,51,40,0.42);
  backdrop-filter: blur(4px);
  padding: 0.3rem 0.6rem;
  border-radius: 100px;
}
.tile-a { background: linear-gradient(145deg, #7A8B7B, #5f6f61); grid-row: span 2; }
.tile-b { background: linear-gradient(145deg, #D1A398, #c08a7d); }
.tile-c { background: linear-gradient(145deg, #2B3A4A, #1d2833); }
.tile-d { background: linear-gradient(145deg, #D9A05B, #c98a3f); }

/* --------------------------- Valori --------------------- */
.values { padding-block: clamp(3.5rem, 7vw, 6.5rem); }

.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.1rem;
}
.value-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.8rem 1.5rem;
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.value-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 48px -32px var(--forest);
  border-color: color-mix(in srgb, var(--terracotta) 45%, var(--line));
}
.value-icon {
  display: inline-grid;
  place-items: center;
  width: 54px; height: 54px;
  font-size: 1.5rem;
  background: var(--sand);
  border-radius: 14px;
  margin-bottom: 1.2rem;
}
.value-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.22rem;
  margin-bottom: 0.5rem;
}
.value-card p { color: var(--forest-70); font-size: 0.96rem; }

/* --------------------------- Collezione ----------------- */
.palette {
  padding-block: clamp(3.5rem, 7vw, 6.5rem);
  background:
    radial-gradient(80% 60% at 85% 0%, color-mix(in srgb, var(--sand) 55%, transparent), transparent 70%),
    var(--cream);
}

.swatch-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}

.swatch {
  position: relative;
  text-align: left;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 0.75rem 0.75rem 1.25rem;
  overflow: hidden;
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.swatch:hover {
  transform: translateY(-6px);
  box-shadow: 0 28px 54px -30px var(--forest);
  border-color: color-mix(in srgb, var(--terracotta) 40%, var(--line));
}

/* Immagine reale del pennello */
.swatch-media {
  position: relative;
  height: 230px;
  border-radius: calc(var(--radius) - 2px);
  background:
    radial-gradient(120% 80% at 50% 115%, color-mix(in srgb, var(--sand) 75%, #fff), transparent 70%),
    linear-gradient(170deg, #fffdf9, color-mix(in srgb, var(--sand) 55%, #fff));
  overflow: hidden;
  display: grid;
  place-items: center;
}
.swatch-media img {
  height: 90%;
  max-width: 78%;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 12px 18px rgba(31, 51, 40, 0.18));
  transition: transform var(--t);
  will-change: transform;
}
.swatch:hover .swatch-media img { transform: translateY(-6px) rotate(-2.5deg) scale(1.04); }

.swatch-info {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1rem 0.5rem 0;
}
.swatch-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.12rem;
}
.swatch-code {
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--forest-55);
  white-space: nowrap;
}
.swatch-tag {
  display: inline-block;
  margin: 0.55rem 0.5rem 0;
  font-size: 0.78rem;
  color: var(--forest-70);
}

/* --------------------------- Materiali ------------------ */
.materials { padding-block: clamp(3.5rem, 7vw, 6.5rem); }
.materials-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.materials-copy p { color: var(--forest-70); margin-top: 1rem; max-width: 42ch; }
.materials-list { display: grid; gap: 0.6rem; }
.materials-list li {
  display: flex;
  gap: 1.3rem;
  align-items: flex-start;
  padding: 1.4rem 1.3rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform var(--t), border-color var(--t);
}
.materials-list li:hover {
  transform: translateX(6px);
  border-color: color-mix(in srgb, var(--terracotta) 40%, var(--line));
}
.materials-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--terracotta);
  line-height: 1;
}
.materials-list h3 { font-family: var(--font-display); font-weight: 700; font-size: 1.14rem; margin-bottom: 0.3rem; }
.materials-list p { color: var(--forest-70); font-size: 0.96rem; }

/* --------------------------- Contatti ------------------- */
.contact {
  padding-block: clamp(3.5rem, 7vw, 6.5rem);
  background: var(--forest);
  color: var(--cream);
}
.contact .eyebrow { color: var(--terracotta); }
.contact .section-title { color: var(--cream); }

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.contact-intro p { color: rgba(251,249,245,0.72); margin-top: 1rem; max-width: 42ch; }
.contact-list { margin-top: 2rem; display: grid; gap: 1rem; }
.contact-list li {
  display: grid;
  gap: 0.15rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(251,249,245,0.16);
  font-size: 1.05rem;
}
.contact-list span {
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(251,249,245,0.5);
}

/* Form */
.contact-form {
  background: color-mix(in srgb, var(--cream) 6%, var(--forest));
  border: 1px solid rgba(251,249,245,0.14);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.4rem);
}
.field { margin-bottom: 1.2rem; }
.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  margin-bottom: 0.5rem;
  color: rgba(251,249,245,0.85);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  font: inherit;
  color: var(--cream);
  background: rgba(251,249,245,0.06);
  border: 1.5px solid rgba(251,249,245,0.18);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  transition: border-color var(--t), background var(--t), box-shadow var(--t);
}
.field textarea { resize: vertical; min-height: 110px; }
.field input::placeholder,
.field textarea::placeholder { color: rgba(251,249,245,0.4); }

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--terracotta);
  background: rgba(251,249,245,0.1);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--terracotta) 22%, transparent);
}

/* Select custom chevron */
.select-wrap { position: relative; }
.select-wrap::after {
  content: "";
  position: absolute;
  right: 1.1rem; top: 50%;
  width: 9px; height: 9px;
  border-right: 2px solid rgba(251,249,245,0.6);
  border-bottom: 2px solid rgba(251,249,245,0.6);
  transform: translateY(-65%) rotate(45deg);
  pointer-events: none;
}
.field select { appearance: none; -webkit-appearance: none; cursor: pointer; }
.field select option { color: #1F3328; background: #FBF9F5; }

/* Checkbox custom */
.checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  font-size: 0.92rem;
  color: rgba(251,249,245,0.82);
  cursor: pointer;
  line-height: 1.5;
}
.checkbox a { color: var(--terracotta); text-decoration: underline; }
.checkbox input { position: absolute; opacity: 0; width: 0; height: 0; }
.checkbox .box {
  flex-shrink: 0;
  width: 22px; height: 22px;
  border: 1.5px solid rgba(251,249,245,0.4);
  border-radius: 6px;
  display: grid;
  place-items: center;
  transition: background var(--t), border-color var(--t);
  margin-top: 1px;
}
.checkbox .box::after {
  content: "";
  width: 6px; height: 11px;
  border: solid var(--forest);
  border-width: 0 2.5px 2.5px 0;
  transform: rotate(45deg) scale(0);
  transition: transform var(--t);
  margin-top: -2px;
}
.checkbox input:checked + .box {
  background: var(--terracotta);
  border-color: var(--terracotta);
}
.checkbox input:checked + .box::after { transform: rotate(45deg) scale(1); border-color: #fff; }
.checkbox input:focus-visible + .box { outline: 2.5px solid var(--terracotta); outline-offset: 3px; }

/* Errori + validazione */
.error {
  display: block;
  color: #f0a58a;
  font-size: 0.8rem;
  margin-top: 0.4rem;
  min-height: 0;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.2s, transform 0.2s;
}
.field.invalid .error { opacity: 1; transform: none; }
.field.invalid input,
.field.invalid select,
.field.invalid textarea { border-color: #e08763; }
.field-check.invalid .box { border-color: #e08763; }

.form-success {
  margin-top: 1.2rem;
  padding: 1rem 1.2rem;
  background: color-mix(in srgb, var(--terracotta) 22%, var(--forest));
  border: 1px solid var(--terracotta);
  border-radius: 12px;
  font-weight: 600;
  text-align: center;
  animation: popIn 0.45s var(--ease);
}
@keyframes popIn {
  from { opacity: 0; transform: translateY(10px) scale(0.97); }
  to   { opacity: 1; transform: none; }
}

/* --------------------------- Footer --------------------- */
.site-footer {
  background: color-mix(in srgb, var(--forest) 94%, #000);
  color: var(--cream);
  padding-top: clamp(3rem, 6vw, 5rem);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
  gap: 2rem;
  padding-bottom: 3rem;
}
.logo-light { color: var(--cream); }
.footer-brand p {
  color: rgba(251,249,245,0.6);
  margin-top: 1rem;
  max-width: 34ch;
  font-size: 0.95rem;
}
.footer-col h4 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  margin-bottom: 1.1rem;
}
.footer-col a {
  display: block;
  color: rgba(251,249,245,0.62);
  padding: 0.3rem 0;
  transition: color var(--t), transform var(--t);
}
.footer-col a:hover { color: var(--terracotta); transform: translateX(4px); }
.socials { display: flex; flex-direction: column; gap: 0.1rem; }
.footer-eco p { color: rgba(251,249,245,0.6); font-size: 0.92rem; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding-block: 1.6rem;
  border-top: 1px solid rgba(251,249,245,0.14);
  font-size: 0.82rem;
  color: rgba(251,249,245,0.5);
}

/* --------------------------- Modale --------------------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: grid;
  place-items: center;
  padding: 1.2rem;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.3s var(--ease), visibility 0.3s;
}
.modal.open { visibility: visible; opacity: 1; }
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 30, 24, 0.5);
  backdrop-filter: blur(6px);
}
.modal-card {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  width: min(680px, 100%);
  background: var(--card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 40px 80px -30px rgba(0,0,0,0.5);
  transform: translateY(16px) scale(0.98);
  transition: transform 0.35s var(--ease);
}
.modal.open .modal-card { transform: none; }

.modal-swatch {
  min-height: 240px;
  display: grid;
  place-items: center;
  position: relative;
  background:
    radial-gradient(120% 80% at 50% 110%, color-mix(in srgb, var(--sand) 80%, #fff), transparent 72%),
    linear-gradient(165deg, #fffdf9, color-mix(in srgb, var(--sand) 60%, #fff));
}
.modal-media {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  padding: 1.5rem 0;
}
.modal-media img {
  height: 230px;
  max-width: 70%;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 14px 22px rgba(31, 51, 40, 0.22));
}
.modal-close {
  position: absolute;
  top: 0.8rem; right: 0.9rem;
  z-index: 3;
  width: 38px; height: 38px;
  border: none;
  border-radius: 50%;
  background: rgba(251,249,245,0.85);
  color: var(--forest);
  font-size: 1.5rem;
  line-height: 1;
  display: grid;
  place-items: center;
  transition: transform var(--t), background var(--t);
}
.modal-close:hover { transform: rotate(90deg); background: #fff; }

.modal-body { padding: clamp(1.5rem, 3vw, 2.2rem); }
.modal-hex {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--terracotta);
  text-transform: uppercase;
}
.modal-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 1rem + 2vw, 2.1rem);
  margin: 0.4rem 0 0.3rem;
}
.modal-spec {
  font-size: 0.9rem;
  color: var(--forest-55);
  margin-bottom: 0.9rem;
}
.modal-desc { color: var(--forest-70); margin-bottom: 1.6rem; }

/* --------------------------- Reveal anim ---------------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
}
.reveal.in {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s var(--ease) var(--d, 0s),
              transform 0.7s var(--ease) var(--d, 0s);
}

/* ========================================================= */
/* RESPONSIVE                                                */
/* ========================================================= */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-mosaic { order: -1; max-width: 460px; aspect-ratio: 1.3/1; }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .materials-grid,
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .nav, .nav-cta { display: none; }
  .menu-toggle { display: flex; }
  .mobile-nav { display: flex; }

  .swatch-grid { grid-template-columns: repeat(2, 1fr); }

  .modal-card { grid-template-columns: 1fr; max-width: 420px; }
  .modal-swatch { min-height: 180px; }
}

@media (max-width: 520px) {
  .value-grid { grid-template-columns: 1fr; }
  .swatch-grid { grid-template-columns: 1fr; }
  .hero-meta { gap: 1.3rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}

/* Riduzione movimento */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}