/**
 * Kiba.Studio - Custom Theme
 * Ispirazione: Akita giapponese + estetica giapponese moderna
 *
 * Palette:
 * - Base scura: #1a1a1a (antracite profondo)
 * - Superficie: #2d2d2d (grigio scuro)
 * - Accento primario: #c94c4c (rosso ruggine - richiamo Akita)
 * - Accento secondario: #f5e6d3 (crema caldo)
 * - Testo principale: #e8e8e8 (bianco sporco)
 * - Testo secondario: #b0b0b0 (grigio chiaro)
 */

:root {
  /* Colori Base */
  --kiba-bg-dark: #1a1a1a;
  --kiba-bg-surface: #2d2d2d;
  --kiba-bg-elevated: #3a3a3a;

  /* Colori Accento */
  --kiba-primary: #c94c4c;
  --kiba-primary-hover: #a83939;
  --kiba-primary-light: #e06666;
  --kiba-secondary: #f5e6d3;
  --kiba-secondary-dark: #d4c4b0;

  /* Colori Testo */
  --kiba-text-main: #e8e8e8;
  --kiba-text-secondary: #b0b0b0;
  --kiba-text-muted: #888888;

  /* Gradiente signature */
  --kiba-gradient: linear-gradient(135deg, var(--kiba-primary) 0%, var(--kiba-primary-light) 100%);

  /* Shadows */
  --kiba-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --kiba-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --kiba-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);

  /* Border Radius */
  --kiba-radius-sm: 4px;
  --kiba-radius-md: 8px;
  --kiba-radius-lg: 16px;

  /* Transitions */
  --kiba-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== TYPOGRAPHY ===== */

.kiba-heading-xl {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--kiba-text-main);
  letter-spacing: -0.02em;
}

.kiba-heading-lg {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  line-height: 1.2;
  color: var(--kiba-text-main);
}

.kiba-heading-md {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--kiba-text-main);
}

.kiba-heading-sm {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  font-weight: 600;
  line-height: 1.4;
  color: var(--kiba-text-main);
}

.kiba-subtitle {
  font-size: 1.125rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--kiba-text-secondary);
}

.kiba-body {
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--kiba-text-secondary);
}

.kiba-small {
  font-size: 0.875rem;
  font-weight: 400;
  line-height: 1.5;
  color: var(--kiba-text-muted);
}

.kiba-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--kiba-primary);
}

/* ===== BUTTONS ===== */

.kiba-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-size: 0.9375rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--kiba-radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--kiba-transition);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.kiba-btn-primary {
  background: var(--kiba-primary);
  color: #ffffff;
  border-color: var(--kiba-primary);
}

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

.kiba-btn-secondary {
  background: transparent;
  color: var(--kiba-secondary);
  border-color: var(--kiba-secondary);
}

.kiba-btn-secondary:hover {
  background: var(--kiba-secondary);
  color: var(--kiba-bg-dark);
  transform: translateY(-2px);
  box-shadow: var(--kiba-shadow-md);
}

.kiba-btn-outline {
  background: transparent;
  color: var(--kiba-text-main);
  border-color: var(--kiba-text-muted);
}

.kiba-btn-outline:hover {
  border-color: var(--kiba-primary);
  color: var(--kiba-primary);
}

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

.kiba-card {
  background: var(--kiba-bg-surface);
  border-radius: var(--kiba-radius-lg);
  padding: 32px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--kiba-transition);
}

.kiba-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--kiba-shadow-lg);
  border-color: rgba(201, 76, 76, 0.3);
}

.kiba-card-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--kiba-gradient);
  border-radius: var(--kiba-radius-md);
  margin-bottom: 24px;
  font-size: 1.5rem;
  color: #ffffff;
}

/* ===== SECTIONS ===== */

.kiba-section {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.kiba-section-dark {
  background: var(--kiba-bg-dark);
}

.kiba-section-surface {
  background: var(--kiba-bg-surface);
}

.kiba-section-title {
  text-align: center;
  margin-bottom: 60px;
}

.kiba-section-title .kiba-label {
  margin-bottom: 16px;
  display: block;
}

.kiba-section-title .kiba-heading-lg {
  margin-bottom: 20px;
}

.kiba-section-title .kiba-subtitle {
  max-width: 600px;
  margin: 0 auto;
}

/* ===== HERO SPECIFIC ===== */

.kiba-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--kiba-bg-dark);
  position: relative;
  overflow: hidden;
}

.kiba-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(201, 76, 76, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(245, 230, 211, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.kiba-hero-content {
  position: relative;
  z-index: 2;
}

.kiba-hero-model {
  position: relative;
  z-index: 1;
  min-height: 400px;
}

.kiba-hero-bullets {
  list-style: none;
  padding: 0;
  margin: 24px 0;
}

.kiba-hero-bullets li {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
  color: var(--kiba-text-secondary);
  font-size: 1rem;
}

.kiba-hero-bullets li::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--kiba-primary);
  border-radius: 50%;
  margin-right: 12px;
  flex-shrink: 0;
}

/* ===== PROCESS STEPS ===== */

.kiba-process-step {
  position: relative;
  text-align: center;
  padding: 24px;
}

.kiba-process-number {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--kiba-gradient);
  border-radius: 50%;
  font-size: 1.5rem;
  font-weight: 700;
  color: #ffffff;
  margin: 0 auto 20px;
}

.kiba-process-connector {
  position: absolute;
  top: 54px;
  left: 50%;
  width: calc(100% - 60px);
  height: 2px;
  background: rgba(201, 76, 76, 0.3);
}

/* ===== TECH STACK ===== */

.kiba-tech-tag {
  display: inline-block;
  padding: 8px 16px;
  background: var(--kiba-bg-elevated);
  border-radius: var(--kiba-radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--kiba-text-main);
  margin: 4px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--kiba-transition);
}

.kiba-tech-tag:hover {
  border-color: var(--kiba-primary);
  color: var(--kiba-primary);
}

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

.kiba-portfolio-card {
  position: relative;
  border-radius: var(--kiba-radius-lg);
  overflow: hidden;
  background: var(--kiba-bg-surface);
}

.kiba-portfolio-image {
  width: 100%;
  height: 240px;
  background: var(--kiba-bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--kiba-text-muted);
  font-size: 3rem;
}

.kiba-portfolio-content {
  padding: 24px;
}

.kiba-portfolio-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--kiba-primary);
  border-radius: var(--kiba-radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

/* ===== CONTACT SECTION ===== */

.kiba-contact-box {
  background: var(--kiba-bg-surface);
  border-radius: var(--kiba-radius-lg);
  padding: 48px;
  text-align: center;
  border: 1px solid rgba(201, 76, 76, 0.2);
}

.kiba-input {
  width: 100%;
  padding: 14px 20px;
  background: var(--kiba-bg-dark);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--kiba-radius-md);
  color: var(--kiba-text-main);
  font-size: 1rem;
  transition: var(--kiba-transition);
}

.kiba-input:focus {
  outline: none;
  border-color: var(--kiba-primary);
  box-shadow: 0 0 0 3px rgba(201, 76, 76, 0.2);
}

.kiba-input::placeholder {
  color: var(--kiba-text-muted);
}

textarea.kiba-input {
  min-height: 120px;
  resize: vertical;
}

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

.kiba-navbar {
  background: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.kiba-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--kiba-text-main);
  text-decoration: none;
}

.kiba-logo span {
  color: var(--kiba-primary);
}

/* ===== FOOTER KIBA ===== */

.kiba-footer {
  background: var(--kiba-bg-surface);
  padding: 60px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.kiba-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 30px;
  margin-top: 40px;
  text-align: center;
  color: var(--kiba-text-muted);
}

/* ===== UTILITIES ===== */

.kiba-text-primary {
  color: var(--kiba-primary) !important;
}

.kiba-text-secondary-color {
  color: var(--kiba-secondary) !important;
}

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

.kiba-divider {
  width: 60px;
  height: 3px;
  background: var(--kiba-primary);
  margin: 20px 0;
}

.kiba-divider-center {
  margin: 20px auto;
}

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

@media (max-width: 991px) {
  .kiba-hero {
    min-height: auto;
    padding: 120px 0 60px;
  }

  .kiba-hero-model {
    min-height: 350px;
    margin-top: 40px;
  }

  .kiba-section {
    padding: 60px 0;
  }

  .kiba-section-title {
    margin-bottom: 40px;
  }
}

@media (max-width: 767px) {
  .kiba-card {
    padding: 24px;
  }

  .kiba-contact-box {
    padding: 32px 24px;
  }

  .kiba-btn {
    padding: 12px 24px;
    font-size: 0.875rem;
  }

  .kiba-process-connector {
    display: none;
  }
}

/* ===== ANIMATIONS ===== */

@keyframes kibaFadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.kiba-animate-in {
  animation: kibaFadeInUp 0.6s ease-out forwards;
}

.kiba-delay-1 { animation-delay: 0.1s; }
.kiba-delay-2 { animation-delay: 0.2s; }
.kiba-delay-3 { animation-delay: 0.3s; }
.kiba-delay-4 { animation-delay: 0.4s; }
.kiba-delay-5 { animation-delay: 0.5s; }

/* ===== SCROLL SNAP SECTIONS ===== */

.kiba-scroll-container {
  scroll-snap-type: y proximity;
  scroll-behavior: smooth;
}

.kiba-snap-section {
  scroll-snap-align: start;
  scroll-snap-stop: normal;
}

/* ===== TEMPLATE OVERRIDES ===== */
/* Allinea elementi del template originale alla palette Kiba */

/* Override linee decorative del template */
.line {
  background: var(--kiba-primary) !important;
  opacity: 0.3;
}

.line.bottom {
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--kiba-primary) 50%,
    transparent 100%
  ) !important;
}

/* Override loader originale (nascosto, usiamo KibaLoading) */
#preloader {
  display: none !important;
}

.showX .loading {
  display: none !important;
}

/* Override colori accent del template */
.main-color,
.o-hidden .main-color {
  color: var(--kiba-primary) !important;
}

/* Override bordi e separatori */
hr {
  border-color: rgba(201, 76, 76, 0.2) !important;
}

/* Fix per evitare conflitti con animazioni WOW.js */
.wow {
  visibility: visible !important;
  animation: none !important;
}

/* ===== INTERSECTION OBSERVER ANIMATIONS ===== */
/* Animazioni attivate dallo scroll - più performanti di WOW.js */

.kiba-observe {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.kiba-observe.kiba-visible {
  opacity: 1;
  transform: translateY(0);
}

.kiba-observe-fade {
  opacity: 0;
  transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.kiba-observe-fade.kiba-visible {
  opacity: 1;
}

.kiba-observe-scale {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.kiba-observe-scale.kiba-visible {
  opacity: 1;
  transform: scale(1);
}

/* Stagger delays per elementi multipli */
.kiba-stagger-1 { transition-delay: 0.1s; }
.kiba-stagger-2 { transition-delay: 0.2s; }
.kiba-stagger-3 { transition-delay: 0.3s; }
.kiba-stagger-4 { transition-delay: 0.4s; }
.kiba-stagger-5 { transition-delay: 0.5s; }
.kiba-stagger-6 { transition-delay: 0.6s; }

/* ===== PREMIUM BUTTON EFFECTS ===== */
/* Rimuove effetti bugganti e aggiunge transizioni fluide */

.kiba-btn {
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.kiba-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    120deg,
    transparent 0%,
    rgba(255, 255, 255, 0.1) 50%,
    transparent 100%
  );
  transform: translateX(-100%);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: -1;
}

.kiba-btn:hover::before {
  transform: translateX(100%);
}

.kiba-btn:active {
  transform: translateY(0) scale(0.98);
}

/* Focus state accessibile */
.kiba-btn:focus-visible {
  outline: 2px solid var(--kiba-primary);
  outline-offset: 3px;
}

/* ===== PREMIUM CARD EFFECTS ===== */

.kiba-card {
  position: relative;
}

.kiba-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: inherit;
  background: linear-gradient(
    135deg,
    transparent 0%,
    rgba(201, 76, 76, 0.05) 100%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.kiba-card:hover::after {
  opacity: 1;
}

/* ===== SMOOTH SCROLL BEHAVIOR ===== */

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .kiba-observe,
  .kiba-observe-fade,
  .kiba-observe-scale,
  .kiba-btn::before {
    transition: none !important;
    animation: none !important;
  }

  .kiba-observe,
  .kiba-observe-fade,
  .kiba-observe-scale {
    opacity: 1 !important;
    transform: none !important;
  }
}