@import url('https://fonts.googleapis.com/css2?family=Merriweather:wght@300;400;700&family=Source+Sans+Pro:wght@300;400;600&display=swap');

:root {
  --color-paper-white: #F5F3EE;
  --color-leaf-green: #8CAA70;
  --color-warm-sand: #D8C8B4;
  --color-earth-brown: #7B645B;
  --color-sky-blue: #A7CDE9;
  --color-soft-clay: #CFAF9B;
  
  --font-primary: 'Merriweather', serif;
  --font-secondary: 'Source Sans Pro', sans-serif;
  
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  
  --shadow-light: 0 2px 4px rgba(123, 100, 91, 0.1);
  --shadow-medium: 0 4px 12px rgba(123, 100, 91, 0.15);
  --shadow-heavy: 0 8px 24px rgba(123, 100, 91, 0.2);
  
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

body {
  font-family: var(--font-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--color-earth-brown);
  background-color: var(--color-paper-white);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: var(--space-sm);
}

h1 { font-size: 1.8rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.1rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.9rem; }

p {
  margin-bottom: var(--space-sm);
  font-size: 0.85rem;
}

a {
  color: var(--color-sky-blue);
  text-decoration: none;
  transition: var(--transition-fast);
}

a:hover {
  color: var(--color-leaf-green);
  text-decoration: underline;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-sm);
}

.header-main {
  background: linear-gradient(135deg, var(--color-paper-white) 0%, var(--color-warm-sand) 100%);
  padding: var(--space-sm) 0;
  box-shadow: var(--shadow-light);
  position: relative;
  opacity: 0;
  transform: translateY(-20px);
  animation: fadeInDown 0.8s ease forwards;
  z-index: 1000;
}

@keyframes fadeInDown {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.logo-text {
  font-family: var(--font-primary);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-earth-brown);
  text-decoration: none;
  opacity: 0;
  animation: slideInLeft 0.6s ease 0.3s forwards;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.burger-menu {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: var(--space-xs);
  background: none;
  border: none;
  opacity: 0;
  animation: fadeIn 0.5s ease 0.5s forwards;
}

@keyframes fadeIn {
  to { opacity: 1; }
}

.burger-line {
  width: 20px;
  height: 2px;
  background-color: var(--color-earth-brown);
  margin: 2px 0;
  transition: var(--transition-medium);
  transform-origin: center;
}

.burger-menu.active .burger-line:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}

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

.burger-menu.active .burger-line:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
}

.nav-primary {
  opacity: 0;
  animation: slideInRight 0.6s ease 0.4s forwards;
}

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

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--space-md);
}

.nav-item a {
  color: var(--color-earth-brown);
  font-weight: 400;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  font-size: 0.85rem;
}

.nav-item a:hover {
  background-color: var(--color-soft-clay);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow-light);
}

.main-content {
  min-height: 70vh;
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.6s forwards;
}

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

.section {
  padding: var(--space-lg) 0;
  position: relative;
}

.section:nth-child(even) {
  background-color: var(--color-warm-sand);
}

.section-content {
  display: grid;
  gap: var(--space-md);
  align-items: center;
}

.hero-section {
  --hero-gradient: linear-gradient(135deg, rgba(245, 243, 238, 0.95) 0%, rgba(207, 175, 155, 0.9) 50%, rgba(216, 200, 180, 0.85) 100%);
  background-image: var(--hero-gradient), var(--hero-image, url(''));
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding: var(--space-xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-home {
  --hero-image: url('../visual/bg-image-1.png');
}

.hero-printables {
  --hero-image: url('../visual/bg-image-2.png');
}

.hero-materials {
  --hero-image: url('../visual/bg-image-3.png');
}

.hero-contact {
  --hero-image: url('../visual/bg-image-4.png');
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, var(--color-leaf-green) 1px, transparent 1px);
  background-size: 30px 30px;
  opacity: 0.05;
  animation: floating 20s ease-in-out infinite;
}

@keyframes floating {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(30px, -30px) rotate(120deg); }
  66% { transform: translate(-20px, 20px) rotate(240deg); }
}

.hero-title {
  font-size: 2.2rem;
  margin-bottom: var(--space-md);
  color: var(--color-earth-brown);
  opacity: 0;
  animation: bounceIn 1s ease 0.8s forwards;
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.hero-subtitle {
  font-size: 1rem;
  color: var(--color-earth-brown);
  margin-bottom: var(--space-lg);
  opacity: 0;
  animation: fadeIn 0.8s ease 1.2s forwards;
}

.btn-primary {
  background-color: var(--color-leaf-green);
  color: var(--color-paper-white);
  padding: var(--space-sm) var(--space-lg);
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-medium);
  text-decoration: none;
  display: inline-block;
  box-shadow: var(--shadow-medium);
  position: relative;
  overflow: hidden;
  opacity: 0;
  animation: slideInUp 0.6s ease 1.4s forwards;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--color-sky-blue), transparent);
  transition: var(--transition-medium);
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  background-color: var(--color-earth-brown);
  transform: translateY(-3px);
  box-shadow: var(--shadow-heavy);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.content-card {
  background-color: var(--color-paper-white);
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-light);
  transition: var(--transition-medium);
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(20px);
}

.content-card:nth-child(1) { animation: cardSlideUp 0.6s ease 0.2s forwards; }
.content-card:nth-child(2) { animation: cardSlideUp 0.6s ease 0.4s forwards; }
.content-card:nth-child(3) { animation: cardSlideUp 0.6s ease 0.6s forwards; }

@keyframes cardSlideUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.content-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-leaf-green), var(--color-sky-blue));
  transform: scaleX(0);
  transition: var(--transition-medium);
}

.content-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-heavy);
}

.content-card:hover::before {
  transform: scaleX(1);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-leaf-green);
  font-weight: 600;
}

.section-label::before {
  content: '';
  width: 30px;
  height: 1px;
  background-color: currentColor;
  opacity: 0.6;
}

.section-faq {
  background: linear-gradient(180deg, rgba(245, 243, 238, 0.95) 0%, rgba(216, 200, 180, 0.65) 100%);
  overflow: hidden;
}

.section-faq::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 20%, rgba(167, 205, 233, 0.25), transparent 45%), radial-gradient(circle at 80% 0%, rgba(140, 170, 112, 0.15), transparent 40%);
  opacity: 0.4;
  pointer-events: none;
}

.faq-header {
  max-width: 640px;
  margin: 0 auto var(--space-lg);
  text-align: center;
  position: relative;
  z-index: 1;
}

.faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(260px, 1fr);
  gap: var(--space-lg);
  position: relative;
  z-index: 1;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.faq-card {
  background-color: rgba(245, 243, 238, 0.9);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(123, 100, 91, 0.15);
  box-shadow: var(--shadow-light);
  padding: var(--space-sm) var(--space-md);
  transition: var(--transition-medium);
}

.faq-card:hover {
  box-shadow: var(--shadow-medium);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-sm);
  border: none;
  background: transparent;
  color: var(--color-earth-brown);
  font-family: var(--font-primary);
  font-size: 1rem;
  cursor: pointer;
  text-align: left;
}

.faq-question span:first-child {
  flex: 1;
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--color-leaf-green);
  position: relative;
  flex-shrink: 0;
  transition: var(--transition-medium);
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 2px;
  background-color: var(--color-leaf-green);
  transform: translate(-50%, -50%);
  transition: var(--transition-medium);
}

.faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), opacity var(--transition-medium), margin-top var(--transition-medium);
  opacity: 0;
}

.faq-answer p {
  font-size: 0.85rem;
  color: rgba(123, 100, 91, 0.85);
}

.faq-card.active .faq-answer {
  max-height: 400px;
  margin-top: var(--space-sm);
  opacity: 1;
}

.faq-card.active {
  box-shadow: var(--shadow-medium);
  border-color: rgba(140, 170, 112, 0.4);
  background-color: #fff;
}

.faq-card.active .faq-icon {
  background-color: var(--color-leaf-green);
  border-color: var(--color-leaf-green);
}

.faq-card.active .faq-icon::before,
.faq-card.active .faq-icon::after {
  background-color: var(--color-paper-white);
}

.faq-card.active .faq-icon::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-cta {
  background: linear-gradient(180deg, rgba(123, 100, 91, 0.95) 0%, rgba(140, 170, 112, 0.9) 100%);
  color: var(--color-paper-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-medium);
  position: relative;
  overflow: hidden;
  align-self: flex-start;
}

.faq-cta::after {
  content: '';
  position: absolute;
  top: -20%;
  right: -20%;
  width: 160px;
  height: 160px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  filter: blur(10px);
}

.faq-cta h3 {
  font-size: 1.2rem;
  margin-bottom: var(--space-sm);
  color: var(--color-paper-white);
}

.faq-cta p {
  font-size: 0.9rem;
  margin-bottom: var(--space-md);
  color: rgba(245, 243, 238, 0.9);
}

.faq-highlights {
  list-style: none;
  margin-bottom: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding-left: 0;
}

.faq-highlights li {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.85rem;
}

.faq-highlights li::before {
  content: '•';
  color: var(--color-sky-blue);
  font-size: 1.1rem;
}

.card-icon {
  font-size: 1.8rem;
  color: var(--color-leaf-green);
  margin-bottom: var(--space-sm);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.form-contact {
  background-color: var(--color-warm-sand);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  max-width: 500px;
  margin: 0 auto;
  box-shadow: var(--shadow-medium);
}

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

.form-label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 600;
  color: var(--color-earth-brown);
  font-size: 0.8rem;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-sm);
  border: 1px solid var(--color-soft-clay);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  background-color: var(--color-paper-white);
  transition: var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-leaf-green);
  box-shadow: 0 0 0 3px rgba(140, 170, 112, 0.1);
}

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

.checkbox-input {
  margin-top: 3px;
}

.checkbox-label {
  font-size: 0.75rem;
  color: var(--color-earth-brown);
}

.footer-main {
  background-color: var(--color-earth-brown);
  color: var(--color-paper-white);
  padding: var(--space-md) 0;
  text-align: center;
  font-size: 0.75rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer-links {
  display: flex;
  gap: var(--space-md);
  list-style: none;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--color-paper-white);
  font-size: 0.75rem;
}

.footer-links a:hover {
  color: var(--color-sky-blue);
}

.privacy-popup {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-earth-brown);
  color: var(--color-paper-white);
  padding: var(--space-md);
  z-index: 1000;
  transform: translateY(100%);
  transition: var(--transition-medium);
}

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

.popup-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.popup-text {
  font-size: 0.75rem;
}

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

.btn-popup {
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-paper-white);
  background: transparent;
  color: var(--color-paper-white);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.75rem;
  transition: var(--transition-fast);
}

.btn-popup:hover {
  background-color: var(--color-paper-white);
  color: var(--color-earth-brown);
}

.google-map {
  width: 100%;
  height: 300px;
  border: none;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-medium);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.product-card {
  background-color: var(--color-paper-white);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  box-shadow: var(--shadow-light);
  transition: var(--transition-medium);
  text-align: center;
}

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

.product-price {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-leaf-green);
  margin: var(--space-sm) 0;
}

.thank-you-container {
  text-align: center;
  padding: var(--space-xl) 0;
}

.error-container {
  text-align: center;
  padding: var(--space-xl) 0;
}

.error-code {
  font-size: 4rem;
  font-weight: 700;
  color: var(--color-earth-brown);
  margin-bottom: var(--space-md);
}

.printing-practices-section {
  background: linear-gradient(135deg, var(--color-paper-white) 0%, var(--color-warm-sand) 100%);
  position: relative;
  overflow: hidden;
}

.printing-practices-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(140, 170, 112, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(30%, -30%);
}

.printing-practices-section h2 {
  text-align: center;
  color: var(--color-earth-brown);
  margin-bottom: var(--space-lg);
  position: relative;
  padding-bottom: var(--space-sm);
}

.printing-practices-section h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-leaf-green), var(--color-sky-blue));
  border-radius: 2px;
}

.printing-content {
  max-width: 900px;
  margin: 0 auto;
}

.printing-info {
  display: grid;
  gap: var(--space-lg);
  position: relative;
}

.printing-block {
  background-color: rgba(255, 255, 255, 0.7);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-leaf-green);
  box-shadow: var(--shadow-light);
  transition: var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.printing-block::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, rgba(167, 205, 233, 0.15) 0%, transparent 60%);
  border-radius: 50%;
  transform: translate(30%, -30%);
  transition: var(--transition-medium);
}

.printing-block:hover {
  transform: translateX(5px);
  box-shadow: var(--shadow-medium);
  background-color: rgba(255, 255, 255, 0.9);
}

.printing-block:hover::before {
  transform: translate(40%, -40%) scale(1.2);
}

.printing-block h3 {
  color: var(--color-leaf-green);
  margin-bottom: var(--space-md);
  font-size: 1.4rem;
  position: relative;
  display: inline-block;
}

.printing-block h3::before {
  content: '🌿';
  margin-right: var(--space-xs);
  font-size: 1.2rem;
}

.printing-block p {
  color: var(--color-earth-brown);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.printing-block p:last-child {
  margin-bottom: 0;
}

.end-of-life-section {
  background: linear-gradient(135deg, var(--color-warm-sand) 0%, var(--color-paper-white) 100%);
  position: relative;
  overflow: hidden;
}

.end-of-life-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(167, 205, 233, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(-30%, -30%);
}

.end-of-life-section h2 {
  text-align: center;
  color: var(--color-earth-brown);
  margin-bottom: var(--space-lg);
  position: relative;
  padding-bottom: var(--space-sm);
}

.end-of-life-section h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-sky-blue), var(--color-leaf-green));
  border-radius: 2px;
}

.end-of-life-content {
  max-width: 900px;
  margin: 0 auto;
}

.end-of-life-info {
  display: grid;
  gap: var(--space-lg);
  position: relative;
}

.end-of-life-block {
  background-color: rgba(255, 255, 255, 0.8);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-sky-blue);
  box-shadow: var(--shadow-light);
  transition: var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.end-of-life-block::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, rgba(140, 170, 112, 0.12) 0%, transparent 60%);
  border-radius: 50%;
  transform: translate(-30%, -30%);
  transition: var(--transition-medium);
}

.end-of-life-block:hover {
  transform: translateX(-5px);
  box-shadow: var(--shadow-medium);
  background-color: rgba(255, 255, 255, 0.95);
}

.end-of-life-block:hover::before {
  transform: translate(-40%, -40%) scale(1.2);
}

.end-of-life-block h3 {
  color: var(--color-sky-blue);
  margin-bottom: var(--space-md);
  font-size: 1.4rem;
  position: relative;
  display: inline-block;
}

.end-of-life-block h3::before {
  content: '♻️';
  margin-right: var(--space-xs);
  font-size: 1.2rem;
}

.end-of-life-block p {
  color: var(--color-earth-brown);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.end-of-life-block p:last-child {
  margin-bottom: 0;
}

.end-of-life-cta {
  text-align: center;
  padding-top: var(--space-md);
}

.sustainable-usage-section {
  background: linear-gradient(135deg, rgba(140, 170, 112, 0.08) 0%, rgba(167, 205, 233, 0.12) 100%);
  position: relative;
  overflow: hidden;
}

.sustainable-usage-section::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(140, 170, 112, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulseGlow 6s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.5; transform: translateX(-50%) scale(1); }
  50% { opacity: 1; transform: translateX(-50%) scale(1.1); }
}

.sustainable-usage-section h2 {
  text-align: center;
  color: var(--color-earth-brown);
  margin-bottom: var(--space-lg);
  position: relative;
  padding-bottom: var(--space-sm);
}

.sustainable-usage-section h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-leaf-green), var(--color-sky-blue), var(--color-leaf-green));
  border-radius: 2px;
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

.sustainable-usage-section .section-content {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.sustainable-usage-section p {
  background-color: rgba(255, 255, 255, 0.6);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  border-left: 3px solid var(--color-leaf-green);
  box-shadow: var(--shadow-light);
  transition: var(--transition-medium);
  line-height: 1.8;
}

.sustainable-usage-section p:hover {
  background-color: rgba(255, 255, 255, 0.9);
  transform: translateX(8px);
  box-shadow: var(--shadow-medium);
}

.sustainable-usage-section .btn-primary {
  display: block;
  margin: var(--space-lg) auto 0;
  max-width: 250px;
}

.printing-tips-section {
  background: linear-gradient(135deg, var(--color-paper-white) 0%, rgba(216, 200, 180, 0.4) 50%, var(--color-paper-white) 100%);
  position: relative;
  overflow: hidden;
}

.printing-tips-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(167, 205, 233, 0.2) 0%, transparent 70%);
  border-radius: 50%;
  animation: floatTopRight 10s ease-in-out infinite;
}

.printing-tips-section::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(140, 170, 112, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  animation: floatBottomLeft 12s ease-in-out infinite;
}

@keyframes floatTopRight {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-30px, 30px); }
}

@keyframes floatBottomLeft {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -30px); }
}

.printing-tips-section h2 {
  text-align: center;
  color: var(--color-earth-brown);
  margin-bottom: var(--space-xl);
  position: relative;
  padding-bottom: var(--space-sm);
}

.printing-tips-section h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 90px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-sky-blue), transparent);
  border-radius: 2px;
}

.printing-tips-section .section-content {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.printing-tips-section h3 {
  color: var(--color-leaf-green);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-md);
  font-size: 1.3rem;
  position: relative;
  padding-left: var(--space-lg);
}

.printing-tips-section h3::before {
  content: '●';
  position: absolute;
  left: 0;
  color: var(--color-sky-blue);
  font-size: 1.5rem;
  animation: pulse 2s ease-in-out infinite;
}

.printing-tips-section h3:first-of-type {
  margin-top: 0;
}

.printing-tips-section p {
  background-color: rgba(255, 255, 255, 0.7);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow-light);
  transition: var(--transition-medium);
  line-height: 1.8;
  border: 1px solid rgba(123, 100, 91, 0.1);
}

.printing-tips-section p:hover {
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-medium);
  transform: scale(1.02);
}

.printing-tips-section .btn-primary {
  display: block;
  margin: var(--space-xl) auto 0;
  max-width: 250px;
}

.why-digital-section {
  background: linear-gradient(135deg, rgba(167, 205, 233, 0.15) 0%, rgba(140, 170, 112, 0.12) 100%);
  position: relative;
  overflow: hidden;
}

.why-digital-section::before {
  content: '♻';
  position: absolute;
  top: 50%;
  left: 5%;
  transform: translateY(-50%);
  font-size: 10rem;
  color: rgba(140, 170, 112, 0.08);
  z-index: 0;
  animation: rotateSymbol 20s linear infinite;
}

.why-digital-section::after {
  content: '🌱';
  position: absolute;
  top: 20%;
  right: 8%;
  font-size: 8rem;
  opacity: 0.1;
  z-index: 0;
  animation: bounce 4s ease-in-out infinite;
}

@keyframes rotateSymbol {
  from { transform: translateY(-50%) rotate(0deg); }
  to { transform: translateY(-50%) rotate(360deg); }
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

.why-digital-section h2 {
  text-align: center;
  color: var(--color-earth-brown);
  margin-bottom: var(--space-xl);
  position: relative;
  padding-bottom: var(--space-sm);
  z-index: 1;
}

.why-digital-section h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-leaf-green), var(--color-sky-blue));
  border-radius: 2px;
}

.why-digital-section .section-content {
  max-width: 850px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.why-digital-section p {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, rgba(245, 243, 238, 0.9) 100%);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow-light);
  transition: var(--transition-medium);
  line-height: 1.9;
  position: relative;
  border: 1px solid rgba(140, 170, 112, 0.2);
}

.why-digital-section p::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-leaf-green), var(--color-sky-blue));
  border-radius: 2px 0 0 2px;
}

.why-digital-section p:hover {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(245, 243, 238, 1) 100%);
  box-shadow: var(--shadow-medium);
  transform: translateY(-3px);
}

.why-digital-section p:nth-child(1) { animation-delay: 0.1s; }
.why-digital-section p:nth-child(2) { animation-delay: 0.2s; }
.why-digital-section p:nth-child(3) { animation-delay: 0.3s; }
.why-digital-section p:nth-child(4) { animation-delay: 0.4s; }

@media (max-width: 768px) {
  .burger-menu {
    display: flex;
  }
  
  .nav-primary {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-warm-sand);
    box-shadow: var(--shadow-medium);
  }
  
  .nav-primary.active {
    display: block;
  }
  
  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  .nav-list {
    flex-direction: column;
    padding: var(--space-md);
    gap: var(--space-xs);
  }
  
  .hero-title {
    font-size: 1.8rem;
  }
  
  .popup-content {
    flex-direction: column;
    text-align: center;
  }
  
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.3rem; }
  h3 { font-size: 1.1rem; }

  .faq-grid {
    grid-template-columns: 1fr;
  }

  .faq-cta {
    align-self: stretch;
  }

  .printing-block {
    padding: var(--space-md);
  }

  .printing-block h3 {
    font-size: 1.2rem;
  }

  .end-of-life-block {
    padding: var(--space-md);
  }

  .end-of-life-block h3 {
    font-size: 1.2rem;
  }

  .sustainable-usage-section::before {
    width: 300px;
    height: 300px;
  }

  .sustainable-usage-section p {
    padding: var(--space-sm);
  }

  .printing-tips-section h3 {
    font-size: 1.1rem;
    padding-left: var(--space-md);
  }

  .printing-tips-section p {
    padding: var(--space-sm);
  }

  .why-digital-section::before {
    font-size: 6rem;
  }

  .why-digital-section::after {
    font-size: 5rem;
  }

  .why-digital-section p {
    padding: var(--space-md);
  }
}

@media (max-width: 480px) {
  :root {
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
  }
  
  .container {
    padding: 0 var(--space-xs);
  }
  
  .hero-title {
    font-size: 1.5rem;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
  }
  
  .product-grid {
    grid-template-columns: 1fr;
  }

  .printing-practices-section::before {
    width: 200px;
    height: 200px;
  }

  .printing-block {
    padding: var(--space-sm);
  }

  .printing-block h3 {
    font-size: 1.1rem;
  }

  .printing-block p {
    font-size: 0.8rem;
  }

  .end-of-life-block {
    padding: var(--space-sm);
  }

  .end-of-life-block h3 {
    font-size: 1.1rem;
  }

  .end-of-life-block p {
    font-size: 0.8rem;
  }

  .sustainable-usage-section::before {
    width: 200px;
    height: 200px;
  }

  .sustainable-usage-section p {
    padding: var(--space-xs);
    font-size: 0.8rem;
  }

  .printing-tips-section::before,
  .printing-tips-section::after {
    width: 250px;
    height: 250px;
  }

  .printing-tips-section h3 {
    font-size: 1rem;
  }

  .printing-tips-section p {
    padding: var(--space-xs);
    font-size: 0.8rem;
  }

  .why-digital-section::before {
    font-size: 4rem;
    left: 2%;
  }

  .why-digital-section::after {
    font-size: 3rem;
    right: 5%;
  }

  .why-digital-section p {
    padding: var(--space-sm);
    font-size: 0.8rem;
  }
}

@media (max-width: 320px) {
  .hero-title {
    font-size: 1.3rem;
  }
  
  .btn-primary {
    padding: var(--space-xs) var(--space-md);
    font-size: 0.8rem;
  }
  
  p, .form-input, .form-textarea {
    font-size: 0.8rem;
  }
}