/* style.css */
/* NORI - Digital Portfolio Development */
/* Main Stylesheet (Updated with Light/Dark Theme Support) */

/* Import Google Font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display.swap');

/* PERUBAHAN: CSS Variables for Theming */
:root {
  /* Color Palette */
  --color-primary: #06b6d4;
  --color-primary-dark: #0891b2;
  --color-amber: #f59e0b;
  --color-amber-dark: #d97706;
  --color-dark-base: #0f172a;
  --color-dark-light: #1e293b;
  --color-dark-lighter: #334155;
  --color-light-base: #f1f5f9;
  --color-light-dark: #e2e8f0;
  --color-slate-300: #cbd5e1;
  --color-slate-400: #94a3b8;
  --color-slate-500: #64748b;
  --color-slate-600: #475569;
  --color-slate-700: #334155;
  --color-red: #ef4444;
  --color-green: #22c55e;
  --color-yellow: #facc15;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-cyan: 0 0 20px rgba(6, 182, 212, 0.3);
  
  /* Border Radius & Transitions */
  --border-radius: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;
  --transition: all 0.3s ease;
  --transition-slow: all 0.5s ease;

  /* --- Semantic Variables for Light Theme (Default) --- */
  --bg-body: var(--color-light-base);
  --bg-section-accent: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  --bg-header: rgba(241, 245, 249, 0.7);
  --bg-footer: var(--color-light-dark);
  --bg-modal: var(--color-light-base);
  --bg-input: var(--color-light-base);
  
  --text-primary: #1e293b;
  --text-secondary: var(--color-slate-600);
  --text-muted: var(--color-slate-500);
  --text-inverted: var(--color-light-base);
  
  --border-color: var(--color-light-dark);
  --border-color-strong: #cbd5e1;
  --border-card-hover: var(--color-primary);

  --logo-border: var(--color-light-base);
}

html.dark {
  /* --- Semantic Variables for Dark Theme --- */
  --bg-body: var(--color-dark-base);
  --bg-section-accent: rgba(30, 41, 59, 0.3);
  --bg-card: var(--color-dark-light);
  --bg-card-hover: var(--color-dark-lighter);
  --bg-header: rgba(15, 23, 42, 0.7);
  --bg-footer: #020617; /* Even darker for footer */
  --bg-modal: var(--color-dark-light);
  --bg-input: var(--color-dark-base);

  --text-primary: var(--color-light-base);
  --text-secondary: var(--color-slate-300);
  --text-muted: var(--color-slate-400);
  --text-inverted: var(--color-dark-base);
  
  --border-color: var(--color-slate-700);
  --border-color-strong: var(--color-slate-600);
  --border-card-hover: var(--color-primary);
  
  --logo-border: var(--color-dark-base);
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  scroll-behavior: smooth;
  transition: background-color var(--transition), color var(--transition);
}

#preloader.fade-out {
    opacity: 0;
    pointer-events: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

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

a:hover {
  color: var(--color-primary-dark);
}

/* Layout Components */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 1.5rem;
}

.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.section-subtitle {
  color: var(--text-muted);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3rem;
}

/* Glassmorphism Effect */
.glassmorphism {
  background: var(--bg-header);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.nav-menu {
  display: flex;
  gap: 2rem;
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  position: relative;
  padding: 0.5rem 0;
}

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

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.cart-btn, #theme-toggle {
  position: relative;
  color: var(--text-secondary);
  transition: var(--transition);
}

.cart-btn:hover, #theme-toggle:hover {
  color: var(--color-primary);
}

.cart-count {
  position: absolute;
  top: -0.5rem;
  right: -0.5rem;
  background: var(--color-red);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  transform: scale(0);
}

.cart-count.active {
  transform: scale(1);
}

.mobile-menu-btn {
  display: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  transition: var(--transition);
}

.mobile-menu-btn:hover {
  color: var(--color-primary);
}

.mobile-menu {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background: var(--bg-header);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--border-color);
  padding: 1rem 0;
  transform: translateY(-10px);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.mobile-menu.active {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-nav-link {
  display: block;
  padding: 0.75rem 1.5rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.mobile-nav-link:hover {
  color: var(--color-primary);
  background: rgba(0, 0, 0, 0.03);
}

html.dark .mobile-nav-link:hover {
  background: rgba(255, 255, 255, 0.05);
}


/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 5rem;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-text {
  max-width: 100%;
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.hero-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-primary);
  color: white;
  font-weight: 600;
  padding: 0.875rem 2rem;
  border-radius: 2rem;
  box-shadow: var(--shadow-cyan);
  transition: var(--transition);
}

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

.logo-glow {
    background: linear-gradient(90deg, #06b6d4, #38bdf8, #818cf8, #06b6d4);
    background-size: 250% 250%;
    filter: blur(24px);
    opacity: 0.85;
    z-index: -1;
}

.logo-image {
    border: 4px solid var(--logo-border);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
}

/* Products Section */
.products {
  background: var(--bg-section-accent);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.product-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  padding: 2rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  transition: var(--transition);
}

.product-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-card-hover);
  box-shadow: var(--shadow-lg);
}

.product-card.featured {
  border: 2px solid var(--color-primary);
  box-shadow: var(--shadow-cyan);
}

.product-icon {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.product-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.product-description {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.product-features {
  margin-bottom: 1.5rem;
}

.feature-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.radio-group, .checkbox-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.radio-label, .checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.product-price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
}

.product-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--color-primary);
  color: white;
  font-weight: 600;
  padding: 0.75rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
  margin-top: auto;
}

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

/* Services Section */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.service-card {
  text-align: center;
  padding: 2.5rem 2rem;
  border-radius: var(--border-radius-lg);
  background: var(--bg-card);
  transition: var(--transition);
}

.service-icon {
  width: 4rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(6, 182, 212, 0.1);
  color: var(--color-primary);
  font-size: 1.5rem;
  border-radius: 50%;
  margin: 0 auto 1.5rem;
}

.service-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

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

/* About Section */
.about {
  background: var(--bg-section-accent);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-img {
  width: 100%;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  transition: var(--transition);
}

.about-img:hover {
  transform: scale(1.02);
}

.about-text {
  padding-left: 1rem;
}

.about-title {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.about-description {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

/* Testimonials Section */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  transition: var(--transition);
  background: var(--bg-card);
}

.testimonial-rating {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1rem;
}

.rating-star {
  color: var(--color-yellow);
  font-size: 0.875rem;
}

.testimonial-text {
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  position: relative;
}

.testimonial-text::before {
  content: '"';
  font-size: 3rem;
  color: var(--color-primary);
  opacity: 0.2;
  position: absolute;
  top: -1rem;
  left: -1rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  object-fit: cover;
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-weight: 600;
  color: var(--text-primary);
}

.author-title {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Footer */
.footer {
  background: var(--bg-footer);
  padding: 4rem 0 2rem;
}

.footer-content {
  text-align: center;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.footer-logo-icon {
  font-size: 2rem;
  color: var(--color-primary);
}

.footer-logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.footer-description {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.footer-socials {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: rgba(100, 116, 139, 0.1);
  color: var(--text-secondary);
  border-radius: 50%;
  transition: var(--transition);
}

html.dark .social-link {
  background: rgba(255, 255, 255, 0.05);
}

.social-link:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-3px);
}

.footer-copyright {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-slow);
  backdrop-filter: blur(5px);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  background: var(--bg-modal);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: scale(0.9);
  transition: var(--transition-slow);
}

.modal.active .modal-content {
  transform: scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: 1.5rem;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  flex-grow: 1;
}

.modal-footer {
  padding: 1.5rem;
  border-top: 1px solid var(--border-color);
  background: var(--bg-card-hover);
}

.cart-empty {
  text-align: center;
  color: var(--text-muted);
  padding: 2rem 0;
}

.cart-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
}

.cart-item-info {
  flex-grow: 1;
}

.cart-item-name {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.cart-item-details {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.cart-item-controls {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
}

.cart-item-price {
  font-weight: 600;
  color: var(--color-primary);
}

.cart-item-quantity {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.quantity-btn {
  width: 1.75rem;
  height: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border-color-strong);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
}

.quantity-btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.quantity-input {
  width: 2.5rem;
  text-align: center;
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border-color-strong);
  border-radius: var(--border-radius);
  padding: 0.25rem;
}

.cart-item-remove {
  color: var(--color-red);
  font-size: 0.75rem;
  cursor: pointer;
  transition: var(--transition);
}

.cart-item-remove:hover {
  text-decoration: underline;
}

.cart-summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.cart-total-label {
  font-weight: 600;
  color: var(--text-primary);
}

.cart-total-amount {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
}

.customer-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input {
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border-color-strong);
  border-radius: var(--border-radius);
  padding: 0.75rem;
  outline: none;
  transition: var(--transition);
}

.form-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.2);
}

.checkout-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  background: var(--color-green);
  color: white;
  font-weight: 600;
  padding: 0.875rem;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
}

.checkout-btn:disabled {
  background: var(--color-slate-400);
  cursor: not-allowed;
}
html.dark .checkout-btn:disabled {
  background: var(--color-slate-700);
}

.checkout-btn:not(:disabled):hover {
  background: #16a34a;
  transform: translateY(-2px);
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--color-green);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transform: translateX(150%);
  transition: transform 0.5s ease;
  z-index: 3000;
}

.toast.show {
  transform: translateX(0);
}

/* Loading Spinner */
.loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 4000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-slow);
}

.loading.active {
  opacity: 1;
  visibility: visible;
}

.spinner {
  width: 3rem;
  height: 3rem;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top: 3px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Animations */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideInDown { from { transform: translateY(-20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes slideInUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes aurora-glow { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-15px); } }

.animate-fadeIn { animation: fadeIn 0.6s ease forwards; }
.animate-slideInDown { animation: slideInDown 0.6s ease forwards; }
.animate-slideInUp { animation: slideInUp 0.6s ease forwards; }

.fade-in-section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in-section.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-on-load {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.reveal-on-load.revealed {
    opacity: 1;
    transform: translateY(0);
}
.reveal-on-load:nth-child(2) {
    transition-delay: 0.2s;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-body);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color-strong);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .hero-title { font-size: 3rem; }
  .section-title { font-size: 2.25rem; }
}

@media (max-width: 768px) {
  .nav-menu { display: none; }
  .mobile-menu-btn { display: block; }
  .hero-content { grid-template-columns: 1fr; text-align: center; gap: 2rem; }
  .hero-title { font-size: 2.5rem; }
  .about-content { grid-template-columns: 1fr; gap: 2rem; }
  .about-text { padding-left: 0; text-align: center; }
  .about-title { font-size: 2rem; }
}

@media (max-width: 640px) {
  .section { padding: 3rem 1rem; }
  .section-title { font-size: 2rem; }
  .hero-title { font-size: 2rem; }
  .product-grid, .service-grid, .testimonial-grid { grid-template-columns: 1fr; }
  .modal-content { margin: 1rem; max-height: calc(100vh - 2rem); }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.bg-primary { background-color: var(--color-primary); }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.hidden { display: none; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

/* Custom Hamburger Icon Animation */
.hamburger-button {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    position: relative;
    cursor: pointer;
    background: transparent;
    border: none;
}
.hamburger-button span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: currentColor;
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
}
.hamburger-button.hamburger-active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.hamburger-button.hamburger-active span:nth-child(2) {
    opacity: 0;
    transform: scale(0);
}
.hamburger-button.hamburger-active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}