/* Global Styles & Common Components - LC Studio */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
  transition: color var(--transition-normal);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

/* Focus indicator for Accessibility */
a:focus-visible, 
button:focus-visible, 
input:focus-visible, 
textarea:focus-visible, 
select:focus-visible {
  outline: 2px solid var(--accent-violet);
  outline-offset: 4px;
}

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section-padding {
  padding-top: 100px;
  padding-bottom: 100px;
}

@media (max-width: 768px) {
  .section-padding {
    padding-top: 80px;
    padding-bottom: 80px;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 15px;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--gradient-premium);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.25);
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0) 100%);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn-primary:hover {
  box-shadow: 0 8px 30px rgba(124, 58, 237, 0.45);
  transform: translateY(-2px);
}

.btn-primary:hover::after {
  opacity: 1;
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(4px);
}

.btn-secondary:hover {
  border-color: rgba(255, 255, 255, 0.3);
  background-color: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
}

[data-theme="light"] .btn-secondary {
  background-color: rgba(9, 9, 11, 0.03);
  border-color: rgba(9, 9, 11, 0.12);
}

[data-theme="light"] .btn-secondary:hover {
  background-color: rgba(9, 9, 11, 0.06);
  border-color: rgba(9, 9, 11, 0.25);
}

.btn-icon {
  margin-left: 8px;
  transition: transform var(--transition-fast);
}

.btn:hover .btn-icon {
  transform: translateX(4px);
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: background-color var(--transition-normal), border-bottom var(--transition-normal);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.logo {
  display: flex;
  align-items: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.5px;
  color: var(--text-primary);
  text-decoration: none;
  gap: 11px;
}

.logo span {
  color: var(--text-primary);
  background: none;
  -webkit-background-clip: initial;
  -webkit-text-fill-color: initial;
}

.logo-symbol {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}

.logo-symbol-footer {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .logo-symbol {
    width: 24px;
    height: 24px;
  }
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 8px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-premium);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-normal);
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-cta {
  display: inline-flex;
}

/* Theme Switcher Toggle */
.theme-toggle {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.theme-toggle:hover {
  border-color: var(--border-hover);
  background-color: var(--bg-tertiary);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

[data-theme="dark"] .sun-icon {
  display: block;
}
[data-theme="dark"] .moon-icon {
  display: none;
}
[data-theme="light"] .sun-icon {
  display: none;
}
[data-theme="light"] .moon-icon {
  display: block;
}

/* Mobile Nav Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.menu-toggle svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

@media (max-width: 992px) {
  .menu-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--bg-primary);
    flex-direction: column;
    padding: 40px 24px;
    align-items: flex-start;
    gap: 24px;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-normal), opacity var(--transition-normal), visibility var(--transition-normal);
    z-index: 999;
    border-top: 1px solid var(--border-color);
  }
  
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-link {
    font-size: 18px;
    width: 100%;
  }

  .header-cta {
    display: none;
  }
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 2.5fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 576px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.footer-info .logo {
  margin-bottom: 20px;
}

.footer-info .logo span {
  color: var(--logo-studio-color, #A855F7);
}

.footer-description {
  font-size: 14px;
  margin-bottom: 24px;
  max-width: 320px;
}

.footer-socials {
  display: flex;
  gap: 16px;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  transition: border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.social-link:hover {
  border-color: var(--accent-violet);
  color: var(--text-primary);
  transform: translateY(-2px);
}

.social-link svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.footer-heading {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  font-size: 14px;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--text-primary);
}

.footer-contact-item {
  font-size: 14px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-contact-item svg {
  width: 16px;
  height: 16px;
  stroke: var(--accent-violet);
  stroke-width: 2;
  fill: none;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 13px;
}

@media (max-width: 768px) {
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

@media (max-width: 576px) {
  .footer-bottom-links {
    flex-direction: column;
    gap: 12px;
  }
}

.footer-bottom-link:hover {
  color: var(--text-primary);
}

/* Floating WhatsApp Badge */
.whatsapp-float {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 56px;
  height: 56px;
  background-color: #25d366;
  color: white;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  z-index: 99;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  animation: whatsapp-pulse 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1) translateY(-4px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
  width: 30px;
  height: 30px;
  fill: currentColor;
}

@keyframes whatsapp-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
  }
  70% {
    box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

@media (max-width: 768px) {
  .whatsapp-float {
    bottom: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
  }
  .whatsapp-float svg {
    width: 24px;
    height: 24px;
  }
}

[data-theme="light"] .logo-symbol-footer {
  filter: invert(1);
}