/* ========================================
   RESET E BASE STYLES
   ======================================== */

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  background: var(--color-steam-bg);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* ========================================
   TIPOGRAFIA
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-primary);
}

h1 {
  font-size: var(--font-size-6xl);
  letter-spacing: 0.05em;
}

h2 {
  font-size: var(--font-size-5xl);
  letter-spacing: 0.03em;
}

h3 {
  font-size: var(--font-size-4xl);
}

h4 {
  font-size: var(--font-size-3xl);
}

p {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
}

a {
  color: var(--color-brass-light);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-steam-glow);
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

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

.text-brass {
  color: var(--color-brass-primary);
}

.text-copper {
  color: var(--color-copper);
}

.text-glow {
  text-shadow: var(--glow-brass);
}

.bg-steam {
  background: var(--gradient-steam);
}

.bg-parchment {
  background: var(--color-parchment);
  color: var(--color-text-dark);
}

/* ========================================
   COMPONENTI STEAMPUNK
   ======================================== */

.brass-border {
  border: var(--border-width-medium) solid var(--color-border-brass);
  box-shadow: var(--shadow-brass);
}

.copper-border {
  border: var(--border-width-medium) solid var(--color-border-copper);
  box-shadow: var(--shadow-copper);
}

.metal-plate {
  background: var(--gradient-brass);
  border: var(--border-width-thick) solid var(--color-border-dark);
  box-shadow: var(--shadow-deep), var(--shadow-inset);
  position: relative;
}

.metal-plate::before,
.metal-plate::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  background: radial-gradient(circle, var(--color-rivet-light) 0%, var(--color-rivet-dark) 70%);
  border-radius: 50%;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.6);
}

.metal-plate::before {
  top: 10px;
  left: 10px;
}

.metal-plate::after {
  top: 10px;
  right: 10px;
}

.rivet {
  width: 10px;
  height: 10px;
  background: radial-gradient(circle, var(--color-rivet-light) 0%, var(--color-rivet-dark) 70%);
  border-radius: 50%;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.6);
  display: inline-block;
}

.pipe-horizontal {
  height: 20px;
  background: var(--gradient-copper);
  border-top: 2px solid var(--color-copper-dark);
  border-bottom: 2px solid var(--color-copper-dark);
  position: relative;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.pipe-horizontal::before,
.pipe-horizontal::after {
  content: '';
  position: absolute;
  width: 30px;
  height: 30px;
  background: var(--gradient-copper);
  border: 2px solid var(--color-copper-dark);
  border-radius: 50%;
  top: 50%;
  transform: translateY(-50%);
}

.pipe-horizontal::before {
  left: -15px;
}

.pipe-horizontal::after {
  right: -15px;
}

/* ========================================
   INGRANAGGI
   ======================================== */

.gear {
  position: absolute;
  border-radius: 50%;
  background: var(--gradient-brass);
  box-shadow: var(--shadow-deep);
  z-index: var(--z-gears);
}

.gear::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40%;
  height: 40%;
  background: var(--color-steam-bg);
  border-radius: 50%;
  border: 3px solid var(--color-brass-dark);
}

.gear-teeth {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}

.gear-tooth {
  position: absolute;
  width: 15%;
  height: 25%;
  background: var(--color-brass-primary);
  top: -10%;
  left: 50%;
  transform-origin: 50% 200%;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* ========================================
   FROSTED GLASS EFFECT
   ======================================== */

.glass-panel {
  background: rgba(244, 232, 208, 0.05);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: var(--border-width-thin) solid rgba(244, 232, 208, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* ========================================
   BOTTONI STEAMPUNK
   ======================================== */

.btn-steampunk {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  font-weight: 600;
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--gradient-brass);
  color: var(--color-text-dark);
  border: var(--border-width-medium) solid var(--color-brass-dark);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  position: relative;
  transition: all var(--transition-base);
  box-shadow: 0 4px 0 var(--color-brass-dark), 0 8px 20px rgba(0, 0, 0, 0.3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.btn-steampunk:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 0 var(--color-brass-dark), 0 12px 24px rgba(0, 0, 0, 0.4);
}

.btn-steampunk:active {
  animation: button-press 0.1s ease-out;
}

.btn-steampunk::before {
  content: '';
  position: absolute;
  top: 5px;
  left: 5px;
  width: 8px;
  height: 8px;
  background: radial-gradient(circle, var(--color-rivet-light) 0%, var(--color-rivet-dark) 70%);
  border-radius: 50%;
}

.btn-steampunk::after {
  content: '';
  position: absolute;
  top: 5px;
  right: 5px;
  width: 8px;
  height: 8px;
  background: radial-gradient(circle, var(--color-rivet-light) 0%, var(--color-rivet-dark) 70%);
  border-radius: 50%;
}

/* ========================================
   CARDS
   ======================================== */

.card-steampunk {
  background: var(--color-steam-bg-light);
  border: var(--border-width-medium) solid var(--color-border-brass);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-brass);
}

.card-steampunk::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-brass);
}

.card-steampunk:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(184, 134, 11, 0.4);
}

.card-steampunk .rivet-corner {
  position: absolute;
  width: 10px;
  height: 10px;
  background: radial-gradient(circle, var(--color-rivet-light) 0%, var(--color-rivet-dark) 70%);
  border-radius: 50%;
}

.card-steampunk .rivet-corner:nth-child(1) { top: 10px; left: 10px; }
.card-steampunk .rivet-corner:nth-child(2) { top: 10px; right: 10px; }
.card-steampunk .rivet-corner:nth-child(3) { bottom: 10px; left: 10px; }
.card-steampunk .rivet-corner:nth-child(4) { bottom: 10px; right: 10px; }

/* ========================================
   NAVBAR
   ======================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-navbar);
  transition: all var(--transition-base);
  padding: var(--spacing-md) 0;
}

.navbar.scrolled {
  background: rgba(26, 20, 16, 0.95);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border-bottom: var(--border-width-thin) solid var(--color-border-brass);
  box-shadow: var(--shadow-brass);
  padding: var(--spacing-sm) 0;
}

.navbar-logo {
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-brass-primary);
  text-shadow: var(--glow-brass);
}

.navbar-menu {
  display: flex;
  gap: var(--spacing-xl);
  list-style: none;
}

.navbar-link {
  font-family: var(--font-display);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  position: relative;
  padding: var(--spacing-sm) 0;
  transition: color var(--transition-base);
}

.navbar-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-brass);
  transition: width var(--transition-base);
}

.navbar-link:hover {
  color: var(--color-brass-light);
}

.navbar-link:hover::after {
  width: 100%;
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: var(--gradient-steam);
}

.hero-gears {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: var(--z-gears);
}

.hero-content {
  position: relative;
  z-index: var(--z-content);
  text-align: center;
}

/* ========================================
   PRELOADER
   ======================================== */

.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-steam-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-preloader);
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

.clock-loader {
  width: 200px;
  height: 200px;
  position: relative;
  border: 8px solid var(--color-brass-primary);
  border-radius: 50%;
  box-shadow: var(--shadow-brass), inset 0 0 20px rgba(184, 134, 11, 0.3);
}

.clock-loader::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 4px;
  height: 60px;
  background: var(--color-brass-primary);
  transform-origin: 50% 100%;
  transform: translate(-50%, -100%) rotate(0deg);
  animation: clock-tick 2s steps(12) infinite;
}

.clock-loader::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 12px;
  background: var(--color-brass-primary);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

/* ========================================
   COOKIE BANNER
   ======================================== */

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-steam-bg-light);
  border-top: var(--border-width-thick) solid var(--color-border-brass);
  padding: var(--spacing-xl);
  z-index: var(--z-cookie);
  transform: translateY(100%);
  transition: transform var(--transition-slow);
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.5);
}

.cookie-banner.show {
  transform: translateY(0);
  animation: slide-up 0.5s ease-out forwards;
}

.toggle-switch {
  position: relative;
  width: 60px;
  height: 30px;
  background: var(--color-gear-iron);
  border-radius: 15px;
  cursor: pointer;
  transition: background var(--transition-base);
  border: 2px solid var(--color-border-dark);
}

.toggle-switch.active {
  background: var(--color-brass-primary);
}

.toggle-lever {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 22px;
  height: 22px;
  background: var(--gradient-brass);
  border-radius: 50%;
  transition: transform var(--transition-base);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.toggle-switch.active .toggle-lever {
  transform: translateX(30px);
}

/* ========================================
   SCROLL REVEAL
   ======================================== */

.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
  h1 {
    font-size: var(--font-size-4xl);
  }
  
  h2 {
    font-size: var(--font-size-3xl);
  }
  
  .navbar-menu {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .section-padding {
    padding: var(--spacing-2xl) 0;
  }
}

/* ========================================
   TAILWIND OVERRIDES
   ======================================== */

@layer utilities {
  .text-shadow-glow {
    text-shadow: var(--glow-brass);
  }
  
  .backdrop-blur-steam {
    backdrop-filter: var(--blur-steam);
    -webkit-backdrop-filter: var(--blur-steam);
  }
}