/* ============================================
   OFFICINA PATOCCHI - Design System & Styles
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --color-primary: #1B3A5C;
  --color-primary-dark: #0F2440;
  --color-primary-light: #2A5580;
  --color-accent: #E8A020;
  --color-accent-dark: #C8880A;
  --color-accent-light: #F0B840;
  --color-white: #FFFFFF;
  --color-surface: #F4F5F7;
  --color-surface-alt: #E8EAED;
  --color-text: #1A1A2E;
  --color-text-secondary: #4A5568;
  --color-text-light: #718096;
  --color-border: #D1D5DB;

  /* Typography */
  --font-heading: 'Barlow Condensed', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 900px;
  --nav-height: 80px;
  --nav-height-scrolled: 64px;
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: clamp(0.938rem, 0.9rem + 0.2vw, 1.063rem);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* --- Skip Link --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--border-radius);
  z-index: 9999;
  font-weight: 600;
}

.skip-link:focus {
  top: var(--space-md);
  color: var(--color-white);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary-dark);
}

h1 {
  font-size: clamp(2.2rem, 1.8rem + 2vw, 3.75rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 1.5rem + 1.25vw, 2.75rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.25rem, 1.1rem + 0.75vw, 1.75rem);
}

h4 {
  font-size: clamp(1.1rem, 1rem + 0.5vw, 1.35rem);
}

p + p {
  margin-top: var(--space-md);
}

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.section {
  padding: var(--space-4xl) 0;
}

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

.section__header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section__subtitle {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(0.875rem, 0.85rem + 0.15vw, 1rem);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.section__title {
  margin-bottom: var(--space-md);
}

.section__desc {
  max-width: 600px;
  margin: 0 auto;
  color: var(--color-text-secondary);
}

.text-center { text-align: center; }
.text-accent { color: var(--color-accent); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--border-radius);
  transition: all var(--transition-base);
  white-space: nowrap;
  min-height: 44px;
  min-width: 44px;
  text-decoration: none;
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-primary-dark);
}

.btn--primary:hover {
  background-color: var(--color-accent-light);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
}

.btn--secondary:hover {
  background-color: var(--color-white);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn--outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}


.btn--small {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
}

.btn--large {
  padding: 1rem 2.25rem;
  font-size: 1.1rem;
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: all var(--transition-base);
  background: rgba(15, 36, 64, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.navbar.scrolled {
  height: var(--nav-height-scrolled);
  background: rgba(15, 36, 64, 0.95);
  box-shadow: var(--shadow-lg);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.navbar__brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 1rem + 0.5vw, 1.4rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  flex-shrink: 0;
}

.navbar__brand:hover {
  color: var(--color-accent);
}

.navbar__brand-icon {
  width: 40px;
  height: 40px;
  background: var(--color-accent);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: transform var(--transition-base);
}

.navbar.scrolled .navbar__brand-icon {
  width: 34px;
  height: 34px;
}

.navbar__nav {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.navbar__link {
  color: rgba(255,255,255,0.85);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
  position: relative;
  text-decoration: none;
}

.navbar__link:hover,
.navbar__link--active {
  color: var(--color-white);
  background: rgba(255,255,255,0.1);
}

.navbar__link--active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
}


/* Hamburger */
.navbar__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  cursor: pointer;
  z-index: 1001;
}

.navbar__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.navbar__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.navbar__toggle.active span:nth-child(2) {
  opacity: 0;
}

.navbar__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile menu overlay */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 36, 64, 0.98);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.mobile-menu.open {
  display: flex;
  opacity: 1;
}

.mobile-menu__link {
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-sm) var(--space-xl);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.mobile-menu__link:hover,
.mobile-menu__link--active {
  color: var(--color-accent);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--color-primary-dark);
}

.hero--small {
  min-height: 50vh;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transform: translateZ(0);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(15, 36, 64, 0.85) 0%,
    rgba(27, 58, 92, 0.7) 50%,
    rgba(15, 36, 64, 0.8) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding: calc(var(--nav-height) + var(--space-3xl)) 0 var(--space-3xl);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(232, 160, 32, 0.15);
  border: 1px solid rgba(232, 160, 32, 0.3);
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--space-sm) var(--space-md);
  border-radius: 50px;
  margin-bottom: var(--space-lg);
}

.hero__title {
  color: var(--color-white);
  margin-bottom: var(--space-lg);
}

.hero__title span {
  color: var(--color-accent);
}

.hero__text {
  color: rgba(255,255,255,0.85);
  font-size: clamp(1rem, 0.95rem + 0.3vw, 1.2rem);
  margin-bottom: var(--space-xl);
  max-width: 550px;
}

.hero__actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero__scroll-indicator {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: rgba(255,255,255,0.5);
  animation: scroll-bounce 2s infinite;
}

@keyframes scroll-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* --- Features / Differentiators --- */
.features {
  margin-top: -60px;
  position: relative;
  z-index: 3;
  padding-bottom: var(--space-4xl);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.feature-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl);
  text-align: center;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.feature-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-md);
  background: var(--color-surface);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
}


.feature-card__title {
  margin-bottom: var(--space-sm);
}

.feature-card__text {
  color: var(--color-text-secondary);
  font-size: 0.938rem;
}

/* --- About Section --- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about__image {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about__image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.about__content h2 {
  margin-bottom: var(--space-lg);
}

.about__content p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.about__stats {
  display: flex;
  gap: var(--space-xl);
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.stat__number {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.stat__label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
}

/* --- Services Grid --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.service-card {
  position: relative;
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  text-decoration: none;
  color: inherit;
  display: block;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  color: inherit;
}

.service-card__image {
  height: 200px;
  overflow: hidden;
}

.service-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.service-card:hover .service-card__image img {
  transform: scale(1.05);
}

.service-card__body {
  padding: var(--space-lg);
}

.service-card__title {
  margin-bottom: var(--space-sm);
}

.service-card__text {
  color: var(--color-text-secondary);
  font-size: 0.938rem;
  margin-bottom: var(--space-md);
}

.service-card__link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.938rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.service-card__link svg {
  transition: transform var(--transition-fast);
}

.service-card:hover .service-card__link svg {
  transform: translateX(4px);
}

/* --- Brand Marquee --- */
.marquee {
  overflow: hidden;
  padding: var(--space-xl) 0;
  background: var(--color-surface);
}

.marquee__track {
  display: flex;
  gap: var(--space-3xl);
  animation: marquee-scroll 30s linear infinite;
  width: max-content;
}

.marquee:hover .marquee__track {
  animation-play-state: paused;
}

.marquee__item {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 50px;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
  filter: grayscale(100%);
}

.marquee__item:hover {
  opacity: 1;
  filter: grayscale(0%);
}

.marquee__item img {
  height: 40px;
  width: auto;
  object-fit: contain;
}

.marquee__item span {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* --- CTA Banner --- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  padding: var(--space-3xl) 0;
  text-align: center;
}

.cta-banner h2 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.cta-banner p {
  color: rgba(255,255,255,0.8);
  max-width: 500px;
  margin: 0 auto var(--space-xl);
}

.cta-banner__actions {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* --- Timeline (Kaiser) --- */
.timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  padding-left: var(--space-3xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline__item {
  position: relative;
  padding-bottom: var(--space-xl);
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__dot {
  position: absolute;
  left: calc(-1 * var(--space-3xl) + 4px);
  top: 4px;
  width: 18px;
  height: 18px;
  background: var(--color-accent);
  border: 3px solid var(--color-white);
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
}

.timeline__year {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xs);
}

.timeline__title {
  margin-bottom: var(--space-sm);
}

.timeline__text {
  color: var(--color-text-secondary);
}

/* --- Kaiser Services --- */
.kaiser-services {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.kaiser-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  border-left: 4px solid var(--color-accent);
}

.kaiser-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.kaiser-card__icon {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

.kaiser-card__title {
  margin-bottom: var(--space-sm);
}

.kaiser-card__text {
  color: var(--color-text-secondary);
  font-size: 0.938rem;
}

/* --- Equipment Strip (Kaiser) --- */
.equipment-strip {
  display: flex;
  gap: var(--space-md);
  overflow-x: auto;
  padding: var(--space-md) 0;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.equipment-strip__item {
  flex: 0 0 280px;
  scroll-snap-align: start;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.equipment-strip__item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.equipment-strip__caption {
  padding: var(--space-sm) var(--space-md);
  background: var(--color-white);
  font-size: 0.875rem;
  font-weight: 500;
}

/* --- Service Tabs (Servizi page) --- */
.service-tabs {
  position: sticky;
  top: var(--nav-height-scrolled);
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.service-tabs__list {
  display: flex;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  gap: var(--space-xs);
}

.service-tabs__tab {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: var(--space-md) var(--space-lg);
  color: var(--color-text-secondary);
  border-bottom: 3px solid transparent;
  transition: all var(--transition-fast);
  white-space: nowrap;
  min-height: 44px;
  text-decoration: none;
}

.service-tabs__tab:hover {
  color: var(--color-primary);
}

.service-tabs__tab--active {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
}

/* --- Service Sections (Servizi page) --- */
.service-section {
  padding: var(--space-3xl) 0;
  border-bottom: 1px solid var(--color-surface-alt);
}

.service-section:last-child {
  border-bottom: none;
}

.service-section__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.service-section__grid--reverse {
  direction: rtl;
}

.service-section__grid--reverse > * {
  direction: ltr;
}

.service-section__image {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.service-section__image img {
  width: 100%;
  height: 350px;
  object-fit: cover;
}

.service-section__content h3 {
  margin-bottom: var(--space-md);
}

.service-section__content p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.service-section__content ul {
  margin-bottom: var(--space-md);
}

.service-section__content ul li {
  position: relative;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-sm);
  color: var(--color-text-secondary);
}

.service-section__content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
}

.service-tag {
  display: inline-block;
  background: var(--color-surface);
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-xs) var(--space-md);
  border-radius: 50px;
  margin-right: var(--space-sm);
  margin-bottom: var(--space-sm);
}

/* --- Gallery Grid --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-md);
}

.gallery-item {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow-sm);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-item__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,36,64,0.7) 0%, transparent 50%);
  display: flex;
  align-items: flex-end;
  padding: var(--space-md);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.gallery-item:hover .gallery-item__overlay {
  opacity: 1;
}

.gallery-item__caption {
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 0.938rem;
  font-weight: 600;
}

/* --- Lightbox --- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
}

.lightbox.open {
  display: flex;
}

.lightbox__img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--border-radius);
}

.lightbox__caption {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  max-width: 80%;
}

.lightbox__close,
.lightbox__prev,
.lightbox__next {
  position: absolute;
  background: rgba(255,255,255,0.1);
  color: var(--color-white);
  border: none;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.lightbox__close:hover,
.lightbox__prev:hover,
.lightbox__next:hover {
  background: rgba(255,255,255,0.25);
}

.lightbox__close {
  top: var(--space-lg);
  right: var(--space-lg);
}

.lightbox__prev {
  left: var(--space-lg);
  top: 50%;
  transform: translateY(-50%);
}

.lightbox__next {
  right: var(--space-lg);
  top: 50%;
  transform: translateY(-50%);
}

/* --- Contact Page --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-3xl);
  align-items: start;
}

.contact-info {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-surface);
}

.contact-info__item:last-child {
  border-bottom: none;
}

.contact-info__icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  background: var(--color-surface);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.contact-info__label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
  margin-bottom: var(--space-xs);
}

.contact-info__value {
  font-weight: 500;
}

.contact-info__value a {
  color: var(--color-primary);
  text-decoration: none;
}

.contact-info__value a:hover {
  color: var(--color-accent);
}

.contact-map {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 16/10;
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* --- Occasioni Page --- */
.occasioni-content {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.occasioni-content p {
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  margin-bottom: var(--space-lg);
}

.occasioni-content .btn {
  margin-top: var(--space-md);
}

/* --- Footer --- */
.footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.7);
  padding: var(--space-3xl) 0 var(--space-lg);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer__brand {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}

.footer__desc {
  font-size: 0.938rem;
  line-height: 1.6;
  margin-bottom: var(--space-lg);
}

.footer__heading {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-lg);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__link {
  color: rgba(255,255,255,0.65);
  font-size: 0.938rem;
  transition: color var(--transition-fast);
  text-decoration: none;
}

.footer__link:hover {
  color: var(--color-accent);
}

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

.footer__brand-tag {
  font-size: 0.8rem;
  font-weight: 500;
  background: rgba(255,255,255,0.08);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius);
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

.footer__bottom a {
  color: rgba(255,255,255,0.65);
}


/* --- Scroll Reveal Animation --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .features__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }

  .about__grid {
    gap: var(--space-xl);
  }

  .services-grid {
    gap: var(--space-md);
  }

  .kaiser-services {
    gap: var(--space-md);
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 70px;
    --nav-height-scrolled: 60px;
  }

  .section {
    padding: var(--space-3xl) 0;
  }

  /* Nav mobile */
  .navbar__nav {
    display: none;
  }


  .navbar__toggle {
    display: flex;
  }

  /* Hero */
  .hero__content {
    padding: calc(var(--nav-height) + var(--space-xl)) 0 var(--space-xl);
  }

  .hero__actions {
    flex-direction: column;
    align-items: flex-start;
  }

  /* Features */
  .features {
    margin-top: -40px;
  }

  .features__grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .feature-card {
    display: flex;
    text-align: left;
    gap: var(--space-md);
    padding: var(--space-lg);
  }

  .feature-card__icon {
    margin: 0;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    font-size: 1.25rem;
  }

  /* About */
  .about__grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .about__image {
    order: -1;
  }

  .about__image img {
    height: 250px;
  }

  .about__stats {
    gap: var(--space-lg);
  }

  /* Services Grid */
  .services-grid {
    grid-template-columns: 1fr;
  }

  /* Kaiser services */
  .kaiser-services {
    grid-template-columns: 1fr;
  }

  /* Service sections */
  .service-section__grid,
  .service-section__grid--reverse {
    grid-template-columns: 1fr;
    direction: ltr;
    gap: var(--space-xl);
  }

  .service-section__image img {
    height: 250px;
  }

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
  }

  /* Gallery */
  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  }

  /* Footer */
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }


  /* Timeline */
  .timeline {
    padding-left: var(--space-xl);
  }

  .timeline::before {
    left: 8px;
  }

  .timeline__dot {
    left: calc(-1 * var(--space-xl) + 2px);
    width: 14px;
    height: 14px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

  .hero__scroll-indicator {
    display: none;
  }

  .about__stats {
    flex-direction: column;
    gap: var(--space-md);
  }

  .gallery-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
  }

  .gallery-item {
    aspect-ratio: 1;
  }

  .service-tabs__list {
    padding: 0 var(--space-md);
  }

  .service-tabs__tab {
    padding: var(--space-md) var(--space-sm);
    font-size: 0.8rem;
  }

  .lightbox__prev,
  .lightbox__next {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }

  .lightbox__prev {
    left: var(--space-sm);
  }

  .lightbox__next {
    right: var(--space-sm);
  }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .marquee__track {
    animation: none;
  }

  .hero__bg {
    transform: none !important;
  }
}

/* --- Print Styles --- */
@media print {
  .navbar, .footer, .lightbox, .mobile-menu {
    display: none !important;
  }

  .hero {
    min-height: auto;
    padding: var(--space-xl) 0;
  }

  body {
    padding-bottom: 0;
  }
}