:root {
  /* Colors - HomeToHome Style (più contrastati e decisi) */
  --bg: #FFFFFF;
  --bg-alt: #F8F9FA;
  --fg: #1A1A1A;
  --muted: #9A9A9A;
  --accent: #FF8F70;
  --chip-bg: #FFFFFF;
  --metric-bg: #F8F9FA;
  --line: #E5E7EB;
  --radius: 12px;

  /* Terracotta - Colore principale (HomeToHome style) */
  --terracotta: #B85C3E;
  --terracotta-dark: #9A4A30;
  --terracotta-light: #D4735A;
  --terracotta-bg: rgba(184, 92, 62, 0.08);

  /* Additional palette colors */
  --sage: #A3B18A;
  --warm-clay: #B08036;
  --warm-clay-bg: rgba(176,128,54,0.08);

  /* Font families - SOLO FK Grotesk senza fallback */
  --font-body: 'FK Grotesk';
  --font-mono: 'IBM Plex Mono';
  --font-tech: 'FK Grotesk';

  /* Spacing System (ispirato ad Anthropic) */
  --space-xs: clamp(0.5rem, 1vw, 0.75rem);
  --space-sm: clamp(1rem, 2vw, 1.5rem);
  --space-md: clamp(2rem, 4vw, 3rem);
  --space-lg: clamp(3rem, 6vw, 5rem);
  --space-xl: clamp(4rem, 8vw, 7rem);
  --space-2xl: clamp(6rem, 12vw, 10rem);

  /* Typography Scale (fluid con clamp) */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.625vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.3rem + 1vw, 2rem);
  --text-2xl: clamp(2rem, 1.6rem + 2vw, 3rem);
  --text-3xl: clamp(2.5rem, 2rem + 2.5vw, 4rem);
  --text-4xl: clamp(3rem, 2.5rem + 2.5vw, 5rem);
  --text-5xl: clamp(3.5rem, 2.5rem + 5vw, 6.5rem);
  --text-6xl: clamp(1.75rem, 1rem + 7vw, 12rem); /* 28px (iPhone SE) → 192px (giant screens) */

  /* Line Heights */
  --leading-tight: 1.1;
  --leading-snug: 1.3;
  --leading-normal: 1.5;
  --leading-relaxed: 1.6;
  --leading-loose: 1.8;

  /* Letter Spacing */
  --tracking-tight: -0.02em;
  --tracking-normal: 0;
  --tracking-wide: 0.05em;
  --tracking-wider: 0.12em;

  /* Grid System (12 colonne) */
  --grid-columns: 12;
  --grid-gap: clamp(1rem, 2vw, 2rem);
  --container-max: 1600px;
  --container-padding: clamp(2.5rem, 1rem + 5vw, 6.25rem); /* 40px mobile → 100px desktop */
}

* {
  box-sizing: border-box;
}

html {
  background: #1b1b1b;
  overflow-x: hidden;
}

/* Text selection color - Terracotta */
::selection {
  background-color: var(--terracotta);
  color: #FFFFFF;
}

::-moz-selection {
  background-color: var(--terracotta);
  color: #FFFFFF;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  font-weight: 400;
  overflow-x: hidden;
  /* Riduce il flash di font non stilizzati */
  text-rendering: optimizeSpeed;
}

/* Font loading optimizations - riduce il flash visivo */
@media (prefers-reduced-motion: no-preference) {
  body {
    text-rendering: optimizeLegibility;
  }
}

/* Typography Globals - Font più bold (HomeToHome style) */
h1 {
  font-size: var(--text-6xl);
  line-height: var(--leading-tight);
  margin: 0 0 var(--space-lg);
  font-weight: 800;
  letter-spacing: var(--tracking-tight);
  max-width: 100%;
}

h2 {
  font-size: var(--text-3xl);
  line-height: var(--leading-tight);
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
  margin: 0 0 var(--space-md);
}

h3 {
  font-size: var(--text-2xl);
  line-height: var(--leading-snug);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  margin: 0 0 var(--space-sm);
}

h4 {
  font-size: var(--text-xl);
  line-height: var(--leading-snug);
  font-weight: 600;
  margin: 0 0 var(--space-sm);
}

p {
  margin: 0 0 var(--space-md);
  line-height: var(--leading-relaxed);
}

/* Links - HomeToHome Style */
a {
  color: var(--fg);
  transition: color 0.2s ease;
}

a:hover {
  color: var(--terracotta);
}

/* Container System - Stile Anthropic */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-md) var(--container-padding);
}

/* Container interni per sezioni */
.hero-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  width: 100%;
}

.services-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.projects-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  background: var(--chip-bg);
}

/* Header Styles - HomeToHome Style (sticky con bordo) */
header {
  width: 100%;
  box-sizing: border-box;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.95);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--fg);
  font-weight: 700;
  font-size: 1.25rem;
  transition: color 0.2s ease;
}

.brand:hover {
  color: var(--terracotta);
}

.logo {
  height: 28px;
  width: auto;
}

nav {
  display: flex;
  gap: 24px;
  align-items: center;
}

nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 500;
  font-family: var(--font-mono);
  transition: color 0.2s ease;
  position: relative;
}

nav a:hover {
  color: var(--terracotta);
}

nav a.router-link-active {
  color: var(--fg);
  font-weight: 600;
}

nav a.router-link-active::after {
  content: '';
  position: absolute;
  bottom: 5px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--terracotta);
}

/* Hero Section - Stile Anthropic */
.hero {
  padding: var(--space-2xl) 0;
  position: relative;
  overflow: hidden;
  background: var(--bg);
  min-height: 70vh;
  display: flex;
  align-items: center;
  width: 100%;
}

.eyebrow {
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  font-size: var(--text-sm);
  color: var(--muted);
  font-family: var(--font-mono);
  font-weight: 500;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: var(--text-6xl);
  line-height: var(--leading-tight);
  margin: 0 0 var(--space-lg);
  font-weight: 400;
  letter-spacing: var(--tracking-tight);
  max-width: 100%; /* Su mobile usa tutta la larghezza */
}

/* Ottimizzazione per schermi molto piccoli (iPhone SE, Galaxy Fold, etc.) */
@media (max-width: 360px) {
  h1 {
    font-size: clamp(1.5rem, 5vw, 2rem); /* 24-32px su schermi piccoli */
    letter-spacing: -0.03em; /* Più compatto */
    line-height: 1.15; /* Leggermente più alto per leggibilità */
  }
}

.lead {
  font-size: var(--text-lg);
  color: var(--muted);
  margin: 0 0 var(--space-xl);
  max-width: 60ch;
  line-height: var(--leading-relaxed);
  font-weight: 300;
}

.cta {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.btn {
  background: transparent;
  color: var(--fg);
  padding: clamp(14px, 1.2vw, 18px) clamp(24px, 2vw, 32px);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: var(--text-base);
  font-family: var(--font-mono);
  text-decoration: none;
  border: 2px solid var(--line);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-block;
  letter-spacing: var(--tracking-normal);
  min-height: 2.75rem;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  border-color: var(--terracotta);
}

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px var(--terracotta-bg), 0 0 0 2px var(--terracotta);
}

.btn:active:not(:disabled) {
  transform: scale(0.95);
}

.btn.primary {
  background: var(--terracotta);
  color: #FFFFFF;
  border-color: var(--terracotta);
  font-weight: 600;
}

.btn.primary:hover {
  background: var(--terracotta-dark);
  border-color: var(--terracotta-dark);
  box-shadow: 0 12px 32px rgba(184, 92, 62, 0.3);
}

.btn.secondary {
  background: var(--bg);
  color: var(--fg);
  border-color: var(--line);
}

.btn.secondary:hover {
  background: var(--bg-alt);
  border-color: var(--terracotta);
  color: var(--terracotta);
}

/* Services Section */
.services {
  padding: var(--space-2xl) 0;
  width: 100%;
  background: var(--bg-alt);
}

.services h2 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-sm);
  font-weight: 500;
  font-family: var(--font-mono);
  text-align: left;
  line-height: var(--leading-tight);
}

.services .section-subtitle {
  font-size: var(--text-lg);
  color: var(--muted);
  margin-bottom: var(--space-xl);
  max-width: 60ch;
  text-align: left;
  line-height: var(--leading-relaxed);
}

/* Services Grid Layout */
.services-grid {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.category-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.category-header {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin: 0;
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--muted);
  display: inline-block;
  width: fit-content;
}

.category-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(400px, 100%), 1fr));
  gap: var(--space-md);
}

.service-card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: var(--space-lg);
  border: 2px solid var(--line);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(184, 92, 62, 0.15);
  border-color: var(--terracotta);
}

.card-header {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.service-title {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  color: var(--fg);
  margin: 0;
  line-height: 1.3;
}

.service-tags {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--chip-bg);
  background: #00000066;
  padding: 4px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-block;
  width: fit-content;
  transition: all 0.3s ease;
}

/* Hover rimosso - nessun cambio colore sui tag */

.card-content {
  flex: 1;
}

.service-description {
  font-size: 15px;
  line-height: 1.6;
  color: var(--muted);
  margin: 0;
}

/* Services CTA */
.services-cta {
  text-align: left;
  padding: 60px 0;
  background: var(--chip-bg);
  margin-top: 40px;
}

.cta-title {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 600;
  color: var(--fg);
  margin: 0 0 16px 0;
  line-height: 1.3;
}

.cta-description {
  font-size: 16px;
  line-height: 1.6;
  color: var(--muted);
  margin: 0 0 32px 0;
  max-width: 60ch;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: flex-start;
  flex-wrap: wrap;
}

/* Contact Form */
.contact-form {
  background: var(--chip-bg);
  border-radius: var(--radius);
  padding: 32px;
  margin-top: 40px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 400;
  color: var(--fg);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(43, 166, 166, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* Project Cards Styling */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.project-card {
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.3s ease;
  position: relative;
  height: 280px;
  display: flex;
  flex-direction: column;
  border: 2px solid var(--line);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(184, 92, 62, 0.2);
  border-color: var(--terracotta);
}

.project-card-image {
  width: 100%;
  height: 180px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-color: var(--chip-bg);
}

.project-card-content {
  padding: 24px;
  background: var(--bg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-card h3 {
  font-size: 22px;
  margin: 0 0 8px;
  font-weight: 600;
  font-family: var(--font-mono);
  line-height: 1.2;
  color: var(--fg);
}

.project-card p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.5;
  margin: 0;
  flex: 1;
}

.project-card-footer {
  padding: 16px 24px 24px;
  background: #00000020;
  margin-top: auto;
  min-height: 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-top: 1px solid var(--line);
}

.project-tech {
  font-size: 12px;
  color: var(--muted);
  font-family: var(--font-mono);
  text-align: center;
}

/* Featured Projects Grid */
.featured-projects {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.featured-projects .project-card {
  height: 320px;
}

/* Font Classes */
.font-mono {
  font-family: var(--font-mono);
}

.font-body {
  font-family: var(--font-body);
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mt-4 {
  margin-top: 2rem;
}

.mb-4 {
  margin-bottom: 2rem;
}

.fade-in {
  animation: fadeIn 0.6s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Design */
/* Desktop (≥1200px) - Monitor normali */
@media (min-width: 1200px) {
  .container,
  .services-container,
  .hero-container,
  .projects-container {
    max-width: 1600px;
    padding: 0 80px;
  }

  .hero {
    padding: 120px 0;
    min-height: 70vh;
  }

  h1 {
    font-size: 72px;
    margin: 0 0 40px;
  }

  .lead {
    font-size: 24px;
    margin: 0 0 64px;
  }

  /* Sezioni */
  section {
    padding: 120px 0;
  }

  /* Titoli sezioni */
  h2 {
    font-size: 40px;
    margin-bottom: 24px;
  }

  /* Sottotitoli */
  .section-subtitle {
    font-size: 20px;
    margin-bottom: 60px;
  }
}

/* Large Desktop (≥1600px) - Monitor grandi */
@media (min-width: 1600px) {
  .container,
  .services-container {
    max-width: 1400px;
    padding: 0 80px;
  }

  .hero {
    padding: 160px 0;
    min-height: 75vh;
  }

  h1 {
    font-size: 96px;
    margin: 0 0 48px;
  }

  .lead {
    font-size: 28px;
    margin: 0 0 80px;
  }

  /* Sezioni */
  section {
    padding: 160px 0;
  }

  /* Titoli sezioni */
  h2 {
    font-size: 48px;
    margin-bottom: 32px;
  }

  /* Sottotitoli */
  .section-subtitle {
    font-size: 24px;
    margin-bottom: 80px;
  }
}

/* Ultra Wide / Giant Screens (≥2560px) - Monitor 4K+ */
@media (min-width: 2560px) {
  h1 {
    font-size: 160px; /* Font size fisso per schermi giganti */
    margin: 0 0 60px;
  }

  .lead {
    font-size: 32px;
    margin: 0 0 100px;
  }

  h2 {
    font-size: 56px;
    margin-bottom: 40px;
  }
}

@media (max-width: 768px) {
  .container,
  .services-container,
  .projects-container {
    padding: 16px 24px;
  }

  .hero-container {
    padding: 0 clamp(24px, 6vw, 40px);
  }

  .header-container {
    padding: 16px 24px;
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }

  nav {
    gap: 12px;
  }

  .hero {
    padding: clamp(80px, 12vw, 120px) 0;
    min-height: 70vh;
  }

  .eyebrow {
    font-size: 16px;
    margin-bottom: 24px;
  }

  h1 {
    max-width: 95%;
  }

  .lead {
    font-size: clamp(18px, 4vw, 22px);
    margin-bottom: 48px;
    max-width: 90%;
  }

  .cta {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .btn {
    width: 100%;
    text-align: center;
    padding: 14px 24px;
  }

  /* Services Grid responsive */
  .services-grid {
    gap: 60px;
  }

  .category-section {
    gap: 24px;
  }

  .category-cards {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .service-card {
    padding: 24px;
    gap: 16px;
  }

  .service-title {
    font-size: 18px;
  }

  .service-description {
    font-size: 14px;
  }

  .services-cta {
    padding: 40px 0;
    margin-top: 32px;
  }

  .cta-title {
    font-size: 20px;
  }

  .cta-description {
    font-size: 15px;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .projects-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .featured-projects {
    grid-template-columns: 1fr;
  }

  .project-card {
    height: 260px;
  }
}