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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-size: var(--font-size-body);
  font-weight: 600;
  border-radius: var(--border-radius);
  transition: var(--transition);
  cursor: pointer;
  text-align: center;
  white-space: nowrap;
  border: 2px solid transparent;
  font-family: var(--font-primary);
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-card);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-primary:active {
  transform: translateY(0);
}

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

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

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: rgba(108, 99, 255, 0.3);
}

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

.btn-lg {
  padding: 1.125rem 2.5rem;
  font-size: 1.0625rem;
}

.btn-sm {
  padding: 0.625rem 1.5rem;
  font-size: var(--font-size-small);
}

@media (max-width: 768px) {
  .btn {
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-small);
  }

  .btn-lg {
    padding: 0.875rem 2rem;
    font-size: var(--font-size-body);
  }
}


/* ===================================
   NAVIGATION
   =================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  z-index: var(--z-navbar);
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-sm);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  transition: var(--transition);
  position: relative;
}

.logo-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.logo:hover {
  transform: scale(1.05);
}

/* Desktop Navigation */
.nav-links {
  display: none;
  gap: var(--spacing-lg);
}

@media (min-width: 1024px) {
  .nav-links {
    display: flex;
  }
}

.nav-link {
  font-size: var(--font-size-body);
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  transition: var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

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

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

/* CTA Button in Nav */
.nav-cta {
  display: none;
}

@media (min-width: 1024px) {
  .nav-cta {
    display: inline-flex;
  }
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: calc(var(--z-mobile-menu) + 10);
  position: relative;
}

@media (min-width: 1024px) {
  .menu-toggle {
    display: none;
  }
}

.hamburger {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  position: relative;
  transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
}

.hamburger::before {
  top: -8px;
}

.hamburger::after {
  top: 8px;
}

/* Active state */
.menu-toggle.active .hamburger {
  background: transparent;
}

.menu-toggle.active .hamburger::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-toggle.active .hamburger::after {
  top: 0;
  transform: rotate(-45deg);
}


/* ===================================
   MOBILE MENU
   =================================== */

.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--color-white);
  z-index: var(--z-mobile-menu);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xl);
  padding: var(--spacing-lg);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
}

.mobile-nav-link {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
  transition: var(--transition);
}

.mobile-nav-link:hover {
  color: var(--color-primary);
  transform: translateX(8px);
}

.mobile-cta {
  margin-top: var(--spacing-md);
}

@media (min-width: 1024px) {
  .mobile-menu {
    display: none;
  }
}


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

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  position: relative;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.3;
  animation: float 20s ease-in-out infinite;
}

.orb-1 {
  width: 500px;
  height: 500px;
  background: var(--color-primary);
  top: -100px;
  right: -100px;
  animation-delay: 0s;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: var(--color-secondary);
  bottom: -100px;
  left: -100px;
  animation-delay: 5s;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

@media (min-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr 1fr;
  }
}

.hero-text {
  text-align: center;
}

@media (min-width: 1024px) {
  .hero-text {
    text-align: left;
  }
}

.hero-title {
  margin-bottom: var(--spacing-md);
  line-height: 1.1;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 1024px) {
  .hero-subtitle {
    margin-left: 0;
    margin-right: 0;
  }
}

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

@media (min-width: 1024px) {
  .hero-cta {
    justify-content: flex-start;
  }
}

/* Hero Visual */
.hero-visual {
  display: none;
}

@media (min-width: 1024px) {
  .hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

.hero-illustration {
  width: 100%;
  max-width: 550px;
  height: auto;
  animation: fadeIn 1s ease-out 0.6s both;
  filter: drop-shadow(0 20px 60px rgba(108, 99, 255, 0.15));
}

@media (max-width: 1023px) {
  .hero-illustration {
    display: none;
  }
}


/* ===================================
   SERVICES SECTION
   =================================== */

.services {
  background: var(--color-light);
}

.services-illustration-wrapper {
  display: flex;
  justify-content: center;
  margin-bottom: var(--spacing-2xl);
}

.services-illustration {
  width: 100%;
  max-width: 700px;
  height: auto;
  filter: drop-shadow(0 10px 40px rgba(108, 99, 255, 0.08));
}

@media (max-width: 768px) {
  .services-illustration {
    max-width: 100%;
  }
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.service-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-card);
  border: 2px solid transparent;
  transition: var(--transition);
  position: relative;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(108, 99, 255, 0.2);
}

.service-icon {
  width: 64px;
  height: 64px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  color: var(--color-white);
}

.service-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.service-description {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.service-features {
  list-style: none;
  margin-bottom: var(--spacing-lg);
}

.service-features li {
  padding-left: 1.5rem;
  margin-bottom: var(--spacing-xs);
  position: relative;
  color: var(--color-text);
}

.service-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}


/* ===================================
   WHY LIBORIO SECTION
   =================================== */

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
}

@media (min-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.feature-item {
  text-align: center;
  padding: var(--spacing-lg);
}

@media (min-width: 768px) {
  .feature-item {
    text-align: left;
  }
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-hero);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  color: var(--color-primary);
}

@media (min-width: 768px) {
  .feature-icon {
    margin: 0 0 var(--spacing-md) 0;
  }
}

.feature-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.feature-description {
  color: var(--color-text-muted);
  line-height: 1.6;
}


/* ===================================
   ABOUT SECTION
   =================================== */

.about {
  background: var(--color-light);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

@media (min-width: 1024px) {
  .about-content {
    grid-template-columns: 1fr 1fr;
  }
}

.about-visual {
  order: 2;
}

@media (min-width: 1024px) {
  .about-visual {
    order: 1;
  }
}

.about-text {
  order: 1;
}

@media (min-width: 1024px) {
  .about-text {
    order: 2;
  }
}

.about-text .section-header {
  text-align: left;
  margin-bottom: var(--spacing-lg);
}

.about-story p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.about-story p strong {
  color: var(--color-text);
}

.about-values {
  margin-top: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  border-left: 4px solid var(--color-primary);
}

.about-values h3 {
  margin-bottom: var(--spacing-md);
  font-size: 1.25rem;
}

.about-values ul {
  list-style: none;
}

.about-values li {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.about-values li strong {
  color: var(--color-primary);
  font-weight: 600;
}

/* About Illustration */
.about-illustration {
  width: 100%;
  max-width: 500px;
  height: auto;
  margin: 0 auto;
  filter: drop-shadow(0 15px 50px rgba(108, 99, 255, 0.12));
}

@media (min-width: 1024px) {
  .about-illustration {
    max-width: 450px;
  }
}


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

.contact-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.contact-info {
  margin-bottom: var(--spacing-xl);
}

.contact-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-hero);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-details h3 {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
}

.contact-link {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
  transition: var(--transition);
}

.contact-link:hover {
  opacity: 0.8;
}

.contact-cta-box {
  background: var(--color-light);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  border: 2px solid rgba(108, 99, 255, 0.1);
}

.contact-cta-box h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
}

.contact-cta-box p {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}


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

.footer {
  background: var(--color-dark);
  color: var(--color-white);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: 2fr repeat(3, 1fr);
  }
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  margin-bottom: var(--spacing-md);
}

.footer-tagline {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-small);
  line-height: 1.6;
}

.footer-links h4 {
  margin-bottom: var(--spacing-md);
  font-size: 1rem;
  color: var(--color-white);
}

.footer-links ul li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-small);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--color-white);
  padding-left: 4px;
}

.footer-bottom {
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--font-size-small);
}