:root {
  --color-bg:          #0D0D0B;  /* nero quasi assoluto, leggermente caldo */
  --color-surface:     #141412;  /* superficie card/sezioni */
  --color-surface-alt: #1C1C19;  /* alternanza sezioni */
  --color-text:        #F0EDE6;  /* bianco avorio — mai bianco puro */
  --color-text-muted:  #8A8880;
  --color-accent:      #C8102E;  /* rosso ASSETRA — il sigillo */
  --color-accent-glow: rgba(200,16,46,0.15); /* alone rosso per effetti */
  --color-gold:        #B8965A;  /* oro romano — per dettagli epigrafici */
  --color-border:      #2A2A26;
  --color-border-gold: rgba(184,150,90,0.3);

  --font-display: 'Cinzel', serif;
  --font-serif: 'Cormorant Garamond', serif;
  --font-body: 'Raleway', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, .display-font {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.serif-italic {
  font-family: var(--font-serif);
  font-style: italic;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.3s ease;
}

ul {
  list-style: none;
}

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

/* Utils */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.text-accent { color: var(--color-accent); }
.text-gold { color: var(--color-gold); }
.text-muted { color: var(--color-text-muted); }

/* Grain Texture Overlay */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.02;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3%3Ffilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.5rem 0;
  transition: all 0.4s ease;
}

.header.scrolled {
  background: rgba(13, 13, 11, 0.85);
  backdrop-filter: blur(10px);
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-desktop ul {
  display: flex;
  gap: 2.5rem;
}

.nav-desktop a {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  font-weight: 400;
  opacity: 0.7;
}

.nav-desktop a:hover {
  opacity: 1;
  color: var(--color-gold);
}

.btn-lang {
  background: none;
  border: 1px solid var(--color-border-gold);
  color: var(--color-gold);
  padding: 0.4rem 0.8rem;
  font-family: var(--font-display);
  font-size: 0.7rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-lang:hover {
  background: var(--color-gold);
  color: var(--color-bg);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
}

.hamburger span {
  width: 25px;
  height: 1px;
  background: var(--color-text);
  transition: all 0.3s ease;
}

/* Hero Section */
#hero {
  height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 0;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  z-index: -1;
  transform: scale(1.1);
  animation: heroZoom 20s infinite alternate;
}

@keyframes heroZoom {
  from { transform: scale(1); }
  to { transform: scale(1.1); }
}

.hero-content {
  width: 100%;
}

.hero-text-wrapper {
  max-width: 900px;
  position: relative;
  padding-left: 3rem;
}

.hero-line {
  position: absolute;
  left: 0;
  top: 0;
  width: 1px;
  height: 100%;
  background: var(--color-gold);
  transform-origin: top;
  animation: lineGrow 1.5s ease forwards;
}

@keyframes lineGrow {
  from { scale: 1 0; }
  to { scale: 1 1; }
}

.eyebrow {
  font-size: 0.8rem;
  margin-bottom: 1.5rem;
}

.hero-headline {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 2rem;
}

.hero-subline {
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  color: var(--color-text-muted);
  margin-bottom: 3rem;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
}

/* Sections */
section {
  padding: 120px 0;
  position: relative;
}

.section-alt {
  background-color: var(--color-surface-alt);
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 3rem;
  line-height: 1.2;
}

.text-center {
  text-align: center;
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.about-quote {
  font-size: 1.8rem;
  border-left: 3px solid var(--color-gold);
  padding-left: 2rem;
  margin: 2.5rem 0;
}

.about-description {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  max-width: 600px;
}

.about-stats {
  display: flex;
  gap: 3rem;
  margin-top: 3rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--color-gold);
}

.stat-label {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.about-image-clip {
  clip-path: polygon(10% 0, 100% 0, 90% 100%, 0% 100%);
  overflow: hidden;
  border: 1px solid var(--color-border-gold);
}

.about-image-clip img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.8) contrast(1.1);
  transition: transform 0.8s ease;
}

.about-image-clip:hover img {
  transform: scale(1.05);
}

/* Services Section */
.services-header {
  max-width: 800px;
  margin: 0 auto 5rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  background: var(--color-surface);
  padding: 3rem 2rem;
  border: 1px solid var(--color-border-gold);
  position: relative;
  transition: all 0.4s ease;
}

.service-card:hover {
  background: var(--color-surface-alt);
  border-color: var(--color-gold);
  transform: translateY(-5px);
}

.service-number {
  font-family: var(--font-display);
  font-size: 2rem;
  color: rgba(184, 150, 90, 0.2);
  margin-bottom: 1.5rem;
  transition: all 0.4s ease;
}

.service-card:hover .service-number {
  color: var(--color-gold);
}

.service-title {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
}

.service-desc {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.service-hover-corner {
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 0 0 0;
  border-color: transparent transparent var(--color-accent) transparent;
  transition: all 0.3s ease;
}

.service-card:hover .service-hover-corner {
  border-width: 0 30px 30px 0;
}

/* Portfolio Section */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 300px;
  gap: 1rem;
}

.portfolio-item {
  position: relative;
  background-size: cover;
  background-position: center;
  overflow: hidden;
  cursor: pointer;
}

.portfolio-item.tall { grid-row: span 2; }
.portfolio-item.wide { grid-column: span 2; }

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(13, 13, 11, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all 0.4s ease;
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-info {
  text-align: center;
  transform: translateY(20px);
  transition: all 0.4s ease;
}

.portfolio-item:hover .portfolio-info {
  transform: translateY(0);
}

.portfolio-cat {
  font-family: var(--font-display);
  font-size: 0.7rem;
  color: var(--color-gold);
  letter-spacing: 0.2em;
}

.portfolio-title {
  font-size: 1.2rem;
  margin-top: 0.5rem;
}

/* Social Feed Section */
.social-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.social-placeholder {
  background: var(--color-surface);
  border: 1px solid var(--color-border-gold);
  padding: 4rem 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 400px;
}

.social-icon {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--color-gold);
  margin-bottom: 1.5rem;
  letter-spacing: 0.2em;
}

.social-placeholder p {
  color: var(--color-text-muted);
  max-width: 300px;
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 5rem;
}

.contact-details p {
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
}

.lapidary-form {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.form-group {
  position: relative;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-border-gold);
  color: var(--color-text);
  padding: 0.8rem 0;
  font-family: var(--font-body);
  font-size: 1rem;
  outline: none;
  transition: all 0.3s ease;
}

.form-group select {
  cursor: pointer;
  appearance: none;
}

.form-group label {
  position: absolute;
  top: 0.8rem;
  left: 0;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  pointer-events: none;
  transition: all 0.3s ease;
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
  top: -1rem;
  font-size: 0.65rem;
  color: var(--color-gold);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-bottom-color: var(--color-gold);
}

.form-privacy {
  margin-bottom: 1rem;
}

.checkbox-container {
  display: flex;
  align-items: center;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.checkbox-container input {
  display: none;
}

.checkmark {
  width: 18px;
  height: 18px;
  border: 1px solid var(--color-border-gold);
  margin-right: 12px;
  position: relative;
}

.checkbox-container input:checked + .checkmark::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 100%;
  height: 100%;
  width: 10px;
  height: 10px;
  background: var(--color-accent);
}

.w-full { width: 100%; }

/* Footer */
.footer {
  background: #080806;
  padding: 80px 0 40px;
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-tagline {
  margin-top: 1.5rem;
  color: var(--color-text-muted);
  max-width: 300px;
}

.footer h4 {
  font-size: 0.8rem;
  color: var(--color-gold);
  margin-bottom: 1.5rem;
}

.footer ul {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer ul a {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.footer ul a:hover {
  color: var(--color-text);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 2rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.partner-logo a {
  color: var(--color-gold);
  font-weight: 500;
  margin-left: 5px;
}

/* Horizontal separators */
.separator-gold {
  height: 1px;
  background: var(--color-gold);
  width: 100%;
  margin: 2rem 0;
  opacity: 0.3;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn-accent {
  border-color: var(--color-accent);
  color: var(--color-text);
}

.btn-accent::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-accent);
  z-index: -1;
  transform: translateX(-101%);
  transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.btn-accent:hover::before {
  transform: translateX(0);
}

.btn-ghost-gold {
  border-color: var(--color-border-gold);
  color: var(--color-gold);
}

.btn-ghost-gold:hover {
  border-color: var(--color-gold);
  background: rgba(184, 150, 90, 0.05);
}

.btn-sm {
  padding: 0.6rem 1.5rem;
  font-size: 0.7rem;
}

/* Animations Reveal */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 1s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Typewriter effect base */
.typewriter {
  overflow: hidden;
  white-space: nowrap;
  border-right: .15em solid var(--color-accent);
  animation: blink-caret .75s step-end infinite;
}

@keyframes blink-caret {
  from, to { border-color: transparent }
  50% { border-color: var(--color-accent); }
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .about-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

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

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

@media (max-width: 768px) {
  .nav-desktop {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.5s ease;
    z-index: 999;
  }

  .nav-desktop.active {
    right: 0;
  }

  .nav-desktop ul {
    flex-direction: column;
    align-items: center;
    gap: 2rem;
  }

  .nav-desktop a {
    font-size: 1.5rem;
  }

  .hamburger {
    display: flex;
    z-index: 1001;
  }

  .hamburger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .hamburger.active span:nth-child(2) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .hero-actions {
    flex-direction: column;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}