/* Liquid Minimalism - Tea Ceremony Hosting Website */

:root {
  --color-abyssal: #020C0D;
  --color-phosphor: #A7F3D0;
  --color-vapor: #F8FAFC;
  --color-copper: #B87333;
  --font-body: 'Quicksand', sans-serif;
  --font-heading: 'Tenor Sans', sans-serif;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --transition-fast: 0.3s ease;
  --transition-slow: 0.6s ease;
  --blur-sm: blur(4px);
  --blur-md: blur(8px);
  --blur-lg: blur(16px);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  background: var(--color-abyssal);
  color: var(--color-vapor);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Fluid Background Container */
.fluid-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.fluid-canvas {
  width: 100%;
  height: 100%;
  opacity: 0.3;
}

/* Header Styles */
.site-header {
  position: relative;
  z-index: 1000;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(2, 12, 13, 0.7);
  backdrop-filter: var(--blur-md);
  border-bottom: 1px solid rgba(167, 243, 208, 0.1);
}

.brand-text {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--color-phosphor);
  text-decoration: none;
  font-weight: 400;
  transition: color var(--transition-fast);
}

.brand-text:hover {
  color: var(--color-vapor);
}

/* Mobile Navigation Menu */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  max-width: 85vw;
  height: 100vh;
  background: rgba(2, 12, 13, 0.98);
  backdrop-filter: var(--blur-lg);
  border-left: 1px solid rgba(167, 243, 208, 0.2);
  z-index: 2000;
  transition: right var(--transition-slow);
  overflow-y: auto;
  padding-top: 80px;
}

.mobile-nav.active {
  right: 0;
}

.mobile-nav-items {
  display: flex;
  flex-direction: column;
  list-style: none;
  padding: var(--space-lg);
  gap: var(--space-md);
}

.mobile-nav-item {
  border-bottom: 1px solid rgba(167, 243, 208, 0.1);
  padding-bottom: var(--space-md);
}

.mobile-nav-item:last-child {
  border-bottom: none;
}

.mobile-nav-link {
  color: var(--color-phosphor);
  text-decoration: none;
  font-size: 1.1rem;
  font-family: var(--font-heading);
  padding: var(--space-sm) 0;
  display: block;
  transition: color var(--transition-fast);
}

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

.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(2, 12, 13, 0.7);
  z-index: 1999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

.mobile-nav-overlay.active {
  opacity: 1;
  pointer-events: all;
}

/* Burger Menu Button */
.burger-toggle {
  position: relative;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  z-index: 20001;
  padding: var(--space-sm);
}

.burger-line {
  width: 28px;
  height: 2px;
  background: var(--color-phosphor);
  transition: all var(--transition-fast);
  border-radius: 2px;
}

.burger-toggle.active .burger-line:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.burger-toggle.active .burger-line:nth-child(2) {
  opacity: 0;
}

.burger-toggle.active .burger-line:nth-child(3) {
  transform: rotate(-45deg) translate(8px, -8px);
}

/* Traditional Navigation (for larger screens) */
.main-nav {
  display: none;
  gap: var(--space-md);
  list-style: none;
  align-items: center;
}

.nav-link {
  color: var(--color-vapor);
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  padding: var(--space-sm) var(--space-md);
  transition: color var(--transition-fast);
  position: relative;
  white-space: nowrap;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-copper);
  transition: width var(--transition-fast);
}

.nav-link:hover::after {
  width: 60%;
}

/* Full-Width Banner Sections */
.hero-banner {
  width: 100vw;
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
}

.banner-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  opacity: 0.5;
}

.steam-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    180deg,
    rgba(2, 12, 13, 0.4) 0%,
    rgba(2, 12, 13, 0.7) 50%,
    rgba(2, 12, 13, 0.85) 100%
  );
  z-index: 2;
  animation: steam-drift 20s infinite ease-in-out;
}

@keyframes steam-drift {
  0%, 100% { opacity: 0.6; transform: translateY(0); }
  50% { opacity: 0.8; transform: translateY(-20px); }
}

.banner-content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: var(--space-xl);
  max-width: 900px;
  margin: 0 auto;
}

.banner-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 4rem);
  color: var(--color-phosphor);
  margin-bottom: var(--space-md);
  font-weight: 400;
  letter-spacing: 0.02em;
  text-shadow: 0 0 20px rgba(167, 243, 208, 0.3);
}

.banner-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  color: var(--color-vapor);
  margin-bottom: var(--space-lg);
  opacity: 0.9;
  line-height: 1.8;
}

/* Main Content */
.main-content {
  position: relative;
  z-index: 10;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-xxl) var(--space-lg);
}

/* Section Styles */
.content-section {
  margin-bottom: var(--space-xxl);
  padding: var(--space-xl) 0;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--color-phosphor);
  margin-bottom: var(--space-lg);
  text-align: center;
  font-weight: 400;
  position: relative;
  padding-bottom: var(--space-md);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: var(--color-copper);
}

.section-text {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--color-vapor);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
  opacity: 0.85;
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Grid Layouts */
.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.grid-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  aspect-ratio: 4 / 3;
  background: rgba(167, 243, 208, 0.05);
  border: 1px solid rgba(167, 243, 208, 0.1);
  max-width: 100%;
}

.grid-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.grid-item:hover .grid-image {
  transform: scale(1.1);
}

.grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to top,
    rgba(2, 12, 13, 0.8) 0%,
    rgba(2, 12, 13, 0.4) 50%,
    transparent 100%
  );
  display: flex;
  align-items: flex-end;
  padding: var(--space-md);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.grid-item:hover .grid-overlay {
  opacity: 1;
}

.grid-caption {
  color: var(--color-phosphor);
  font-size: 0.9rem;
  font-family: var(--font-heading);
}

/* Feature Cards */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}

.feature-card {
  background: rgba(167, 243, 208, 0.05);
  backdrop-filter: var(--blur-sm);
  border: 1px solid rgba(167, 243, 208, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(167, 243, 208, 0.3);
}

.feature-icon {
  font-size: 2.5rem;
  color: var(--color-copper);
  margin-bottom: var(--space-md);
}

.feature-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-phosphor);
  margin-bottom: var(--space-sm);
}

.feature-text {
  color: var(--color-vapor);
  opacity: 0.8;
  line-height: 1.7;
}

/* Contact Form */
.contact-form {
  max-width: 600px;
  margin: var(--space-xl) auto;
  background: rgba(167, 243, 208, 0.05);
  backdrop-filter: var(--blur-sm);
  border: 1px solid rgba(167, 243, 208, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  color: var(--color-phosphor);
  margin-bottom: var(--space-sm);
  font-family: var(--font-heading);
  font-size: 1rem;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  background: rgba(2, 12, 13, 0.5);
  border: 1px solid rgba(167, 243, 208, 0.2);
  border-radius: var(--radius-md);
  color: var(--color-vapor);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-phosphor);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.checkbox-input {
  margin-top: 4px;
  accent-color: var(--color-phosphor);
}

.checkbox-label {
  color: var(--color-vapor);
  opacity: 0.8;
  font-size: 0.9rem;
  line-height: 1.5;
}

.submit-button {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: rgba(167, 243, 208, 0.1);
  border: 1px solid var(--color-phosphor);
  border-radius: var(--radius-md);
  color: var(--color-phosphor);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-top: 10px;
}

.submit-button:hover {
  background: rgba(167, 243, 208, 0.2);
  transform: translateY(-2px);
  color: white;
}

/* Products Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}

.product-card {
  background: rgba(167, 243, 208, 0.05);
  backdrop-filter: var(--blur-sm);
  border: 1px solid rgba(167, 243, 208, 0.1);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-fast);
}

.product-card:hover {
  transform: translateY(-5px);
}

.product-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.product-info {
  padding: var(--space-lg);
}

.product-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-phosphor);
  margin-bottom: var(--space-sm);
}

.product-description {
  color: var(--color-vapor);
  opacity: 0.8;
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.product-price {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-copper);
}

/* Google Maps */
.map-container {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: var(--space-xl);
  border: 1px solid rgba(167, 243, 208, 0.1);
}

.map-iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Footer */
.site-footer {
  background: rgba(2, 12, 13, 0.9);
  backdrop-filter: var(--blur-md);
  border-top: 1px solid rgba(167, 243, 208, 0.1);
  padding: var(--space-xl) var(--space-lg);
  margin-top: var(--space-xxl);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-lg);
}

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

.footer-copyright {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(167, 243, 208, 0.1);
  text-align: center;
}

.copyright-text {
  color: var(--color-vapor);
  opacity: 0.6;
  font-size: 0.9rem;
  margin: 0;
}

.footer-title {
  font-family: var(--font-heading);
  color: var(--color-phosphor);
  margin-bottom: var(--space-md);
  font-size: 1.1rem;
}

.footer-nav {
  list-style: none;
}

.footer-nav-item {
  margin-bottom: var(--space-sm);
}

.footer-nav-link {
  color: var(--color-vapor);
  text-decoration: none;
  opacity: 0.7;
  transition: opacity var(--transition-fast), color var(--transition-fast);
  font-size: 0.9rem;
}

.footer-nav-link:hover {
  opacity: 1;
  color: var(--color-phosphor);
}

.footer-text {
  color: var(--color-vapor);
  opacity: 0.6;
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Privacy Policy Popup */
.privacy-popup {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  background: rgba(2, 12, 13, 0.95);
  backdrop-filter: var(--blur-lg);
  border: 1px solid rgba(167, 243, 208, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  max-width: 400px;
  z-index: 1500;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  transform: translateY(150%);
  transition: transform var(--transition-slow);
}

.privacy-popup.show {
  transform: translateY(0);
}

.privacy-popup-text {
  color: var(--color-vapor);
  margin-bottom: var(--space-md);
  font-size: 0.9rem;
  line-height: 1.6;
}

.privacy-popup-buttons {
  display: flex;
  gap: var(--space-sm);
}

.privacy-button {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid rgba(167, 243, 208, 0.3);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-phosphor);
  cursor: pointer;
  font-family: var(--font-body);
  transition: all var(--transition-fast);
}

.privacy-button:hover {
  background: rgba(167, 243, 208, 0.1);
}

.privacy-button.accept {
  border-color: var(--color-phosphor);
  background: rgba(167, 243, 208, 0.1);
}

/* Thank You Page */
.thank-you-container {
  text-align: center;
  padding: var(--space-xxl) var(--space-lg);
  max-width: 700px;
  margin: 0 auto;
}

.thank-you-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--color-phosphor);
  margin-bottom: var(--space-lg);
}

.thank-you-text {
  font-size: 1.2rem;
  color: var(--color-vapor);
  opacity: 0.9;
  line-height: 1.8;
  margin-bottom: var(--space-xl);
}

/* 404 Page */
.error-container {
  text-align: center;
  padding: var(--space-xxl) var(--space-lg);
  max-width: 700px;
  margin: 0 auto;
}

.error-title {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 8vw, 6rem);
  color: var(--color-phosphor);
  margin-bottom: var(--space-md);
}

.error-text {
  font-size: 1.2rem;
  color: var(--color-vapor);
  opacity: 0.9;
  margin-bottom: var(--space-xl);
}

.error-link {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  background: rgba(167, 243, 208, 0.1);
  border: 1px solid var(--color-phosphor);
  border-radius: var(--radius-md);
  color: var(--color-phosphor);
  text-decoration: none;
  font-family: var(--font-heading);
  transition: all var(--transition-fast);
}

.error-link:hover {
  background: rgba(167, 243, 208, 0.2);
  transform: translateY(-2px);
}

/* Legal Pages */
.legal-content {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
}

.legal-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--color-phosphor);
  margin-bottom: var(--space-lg);
  text-align: center;
}

.legal-section {
  margin-bottom: var(--space-xl);
}

.legal-section-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-phosphor);
  margin-bottom: var(--space-md);
  margin-top: var(--space-lg);
}

.legal-text {
  color: var(--color-vapor);
  opacity: 0.85;
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.legal-date {
  color: var(--color-copper);
  font-style: italic;
  margin-top: var(--space-lg);
  text-align: center;
}

/* Responsive Design */
@media (max-width: 1023px) {
  .main-nav {
    display: none;
  }

  .burger-toggle {
    display: flex;
  }
}

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

  .mobile-nav {
    display: none;
  }

  .mobile-nav-overlay {
    display: none;
  }

  .main-nav {
    display: flex;
  }
}

@media (max-width: 768px) {
  .site-header {
    padding: var(--space-md);
  }

  .brand-text {
    font-size: 1.2rem;
  }

  .hero-banner {
    min-height: 60vh;
  }

  .banner-content {
    padding: var(--space-lg);
  }

  .main-content {
    padding: var(--space-xl) var(--space-md);
  }

  .image-grid,
  .feature-grid,
  .products-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .privacy-popup {
    right: var(--space-md);
    bottom: var(--space-md);
    max-width: calc(100% - 2rem);
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }

  .hero-banner {
    min-height: 50vh;
  }

  .contact-form {
    padding: var(--space-lg);
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus Styles */
a:focus,
button:focus,
input:focus,
textarea:focus {
  outline: 2px solid var(--color-phosphor);
  outline-offset: 2px;
}