/* CSS Custom Properties */
:root {
  /* Colors */
  --color-bg: #F9F9F9;
  --color-primary: #1D3557;
  --color-text: #212121;
  --color-accent: #FF6D00;
  --color-white: #FFFFFF;
  --color-gray-light: #F5F5F5;
  --color-gray-medium: #9E9E9E;
  --color-gray-dark: #424242;
  --color-success: #4CAF50;
  --color-error: #F44336;
  --color-warning: #FFC107;
  
  /* Typography */
  --font-primary: 'Poppins', sans-serif;
  --font-secondary: 'Roboto', sans-serif;
  --font-size-base: 1rem;
  --font-size-small: 0.875rem;
  --font-size-large: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-loose: 1.8;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  
  /* Layout */
  --container-width: 1200px;
  --container-padding: 1rem;
  --border-radius: 0.5rem;
  --border-radius-lg: 1rem;
  --border-radius-xl: 1.5rem;
  
  /* 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);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Z-index */
  --z-dropdown: 100;
  --z-header: 200;
  --z-modal: 300;
  --z-tooltip: 400;
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #1a1a1a;
    --color-text: #f5f5f5;
    --color-gray-light: #2d2d2d;
    --color-gray-medium: #6b6b6b;
    --color-gray-dark: #d4d4d4;
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

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

*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-secondary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 8px;
  text-decoration: none;
  border-radius: var(--border-radius);
  z-index: var(--z-tooltip);
  transition: var(--transition-fast);
}

.skip-link:focus {
  top: 6px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
}

h2 {
  font-size: var(--font-size-3xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

h5 {
  font-size: var(--font-size-large);
}

h6 {
  font-size: var(--font-size-base);
}

p {
  margin-bottom: var(--spacing-md);
}

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

a:hover,
a:focus {
  color: var(--color-accent);
  text-decoration: underline;
}

a:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Layout */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--spacing-4xl) 0;
}

.section--alt {
  background-color: var(--color-white);
}

.section__title {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
  position: relative;
}

.section__title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--color-accent);
  border-radius: 2px;
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--spacing-xl);
}

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

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

/* Header */
.header {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: var(--z-header);
}

.nav {
  padding: var(--spacing-md) 0;
}

.nav__container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo img {
  height: 40px;
  width: auto;
}

.nav__toggle {
  display: flex;
  align-items: center;
  background: none;
  border: none;
  color: var(--color-text);
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--border-radius);
  transition: var(--transition-fast);
}

.nav__toggle:hover,
.nav__toggle:focus {
  background-color: var(--color-gray-light);
}

.nav__toggle:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.nav__menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background-color: var(--color-white);
  box-shadow: var(--shadow-lg);
  list-style: none;
  padding: var(--spacing-md) 0;
}

.nav__menu.nav__menu--open {
  display: block;
}

.nav__item {
  margin: 0;
}

.nav__link {
  display: block;
  padding: var(--spacing-md) var(--container-padding);
  color: var(--color-text);
  transition: var(--transition-fast);
}

.nav__link:hover,
.nav__link:focus {
  background-color: var(--color-gray-light);
  color: var(--color-primary);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: var(--color-white);
  padding: calc(var(--spacing-4xl) + 80px) 0 var(--spacing-4xl) 0;
  margin-top: 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
  background-size: 30px 30px;
  opacity: 0.3;
}

.hero__container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  gap: var(--spacing-3xl);
  align-items: center;
}

.hero__content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero__title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero__subtitle {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-lg);
  opacity: 0.9;
}

.hero__description {
  font-size: var(--font-size-large);
  margin-bottom: var(--spacing-2xl);
  opacity: 0.8;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  align-items: center;
}

.hero__image {
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero__image img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-xl);
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: var(--border-radius);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-normal);
  min-height: 48px;
  min-width: 120px;
}

.btn:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.btn--primary:hover,
.btn--primary:focus {
  background-color: #E65100;
  color: var(--color-white);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
}

.btn--secondary:hover,
.btn--secondary:focus {
  background-color: var(--color-white);
  color: var(--color-primary);
  text-decoration: none;
  transform: translateY(-2px);
}

.btn--full {
  width: 100%;
}

/* Card Styles */
.card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  text-align: center;
}

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

.card__icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--spacing-lg);
  background-color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 24px;
}

.card__title {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.card__text {
  color: var(--color-gray-dark);
  margin-bottom: 0;
}

/* Fears Section */
.fears {
  display: grid;
  gap: var(--spacing-3xl);
  align-items: center;
}

.fear-item {
  background-color: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--spacing-xl);
}

.fear-item__title {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.fear-item__title .material-icons {
  color: var(--color-accent);
}

.fear-item__text {
  color: var(--color-gray-dark);
  margin-bottom: 0;
}

.fears__image img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-lg);
}

/* Program Section */
.program {
  display: grid;
  gap: var(--spacing-2xl);
}

.program__level {
  background-color: var(--color-white);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  position: relative;
}

.program__level::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.program__level-title {
  color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
}

.program__list {
  list-style: none;
}

.program__list li {
  padding: var(--spacing-sm) 0;
  position: relative;
  padding-left: var(--spacing-xl);
}

.program__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: var(--font-weight-bold);
}

/* Tips Section */
.tips {
  display: grid;
  gap: var(--spacing-xl);
}

.tip {
  background-color: var(--color-white);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  position: relative;
}

.tip__number {
  position: absolute;
  top: -15px;
  left: var(--spacing-xl);
  width: 40px;
  height: 40px;
  background-color: var(--color-accent);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-large);
}

.tip__title {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.tip__text {
  color: var(--color-gray-dark);
  margin-bottom: 0;
}

/* Testimonials */
.testimonials {
  display: grid;
  gap: var(--spacing-2xl);
}

.testimonial {
  background-color: var(--color-white);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  position: relative;
}

.testimonial::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: var(--spacing-xl);
  font-size: 60px;
  color: var(--color-accent);
  line-height: 1;
  font-family: Georgia, serif;
}

.testimonial__text {
  font-style: italic;
  margin-bottom: var(--spacing-lg);
  color: var(--color-gray-dark);
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.testimonial__author img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial__name {
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.testimonial__position {
  color: var(--color-gray-medium);
  font-size: var(--font-size-small);
  margin-bottom: 0;
}

/* Science Section */
.science {
  display: grid;
  gap: var(--spacing-3xl);
  align-items: center;
}

.science__content {
  display: grid;
  gap: var(--spacing-xl);
}

.stat {
  text-align: center;
  background-color: var(--color-white);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.stat__number {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

.stat__text {
  color: var(--color-gray-dark);
  margin-bottom: 0;
}

.science__text {
  background-color: var(--color-white);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.science__text p {
  color: var(--color-gray-dark);
  margin-bottom: 0;
}

/* Format Section */
.format {
  display: grid;
  gap: var(--spacing-2xl);
}

.format__option {
  background-color: var(--color-white);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  position: relative;
  transition: var(--transition-normal);
}

.format__option:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.format__option--featured {
  border: 3px solid var(--color-accent);
  transform: scale(1.05);
}

.format__option--featured::before {
  content: 'Beliebt';
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-accent);
  color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-medium);
}

.format__title {
  color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
}

.format__features {
  list-style: none;
  margin-bottom: var(--spacing-xl);
}

.format__features li {
  padding: var(--spacing-sm) 0;
  position: relative;
  padding-left: var(--spacing-xl);
}

.format__features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: var(--font-weight-bold);
}

.format__price {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  margin-bottom: 0;
}

/* Blog Teasers */
.blog-teasers {
  display: grid;
  gap: var(--spacing-2xl);
}

.blog-teaser {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: var(--transition-normal);
}

.blog-teaser:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.blog-teaser img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.blog-teaser__content {
  padding: var(--spacing-xl);
}

.blog-teaser__title {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.blog-teaser__excerpt {
  color: var(--color-gray-dark);
  margin-bottom: var(--spacing-md);
}

.blog-teaser__date {
  color: var(--color-gray-medium);
  font-size: var(--font-size-small);
}

/* Contact Section */
.contact {
  display: grid;
  gap: var(--spacing-3xl);
}

.contact__info {
  background-color: var(--color-white);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.contact__subtitle {
  color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
}

.contact__text {
  color: var(--color-gray-dark);
  margin-bottom: var(--spacing-xl);
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact__detail {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  color: var(--color-gray-dark);
}

.contact__detail .material-icons {
  color: var(--color-accent);
}

.contact__detail a {
  color: var(--color-gray-dark);
}

.contact__detail a:hover,
.contact__detail a:focus {
  color: var(--color-primary);
}

/* Form Styles */
.contact__form {
  background-color: var(--color-white);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

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

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--color-gray-light);
  border-radius: var(--border-radius);
  font-family: var(--font-secondary);
  font-size: var(--font-size-base);
  transition: var(--transition-fast);
  min-height: 48px;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(255, 109, 0, 0.1);
}

.form-input:invalid,
.form-select:invalid,
.form-textarea:invalid {
  border-color: var(--color-error);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.form-checkbox-mark {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-gray-light);
  border-radius: var(--border-radius);
  position: relative;
  flex-shrink: 0;
  margin-top: 2px;
  transition: var(--transition-fast);
}

.form-checkbox input[type="checkbox"]:checked + .form-checkbox-mark {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.form-checkbox input[type="checkbox"]:checked + .form-checkbox-mark::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--color-white);
  font-size: 14px;
  font-weight: var(--font-weight-bold);
}

.form-checkbox input[type="checkbox"]:focus + .form-checkbox-mark {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.form-error {
  display: block;
  margin-top: var(--spacing-sm);
  color: var(--color-error);
  font-size: var(--font-size-small);
}

.form-error:empty {
  display: none;
}

/* Map */
.map {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.map iframe {
  width: 100%;
  height: 400px;
  border: none;
}

/* Footer */
.footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-3xl) 0 var(--spacing-xl) 0;
}

.footer__content {
  display: grid;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer__section h3 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.footer__text {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0;
}

.footer__text a {
  color: var(--color-white);
}

.footer__text a:hover,
.footer__text a:focus {
  color: var(--color-accent);
}

.footer__links {
  list-style: none;
}

.footer__links li {
  margin-bottom: var(--spacing-sm);
}

.footer__links a {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition-fast);
}

.footer__links a:hover,
.footer__links a:focus {
  color: var(--color-white);
}

.footer__bottom {
  text-align: center;
  padding-top: var(--spacing-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background-color: var(--color-accent);
  color: var(--color-white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-normal);
  z-index: var(--z-dropdown);
}

.back-to-top:hover,
.back-to-top:focus {
  background-color: #E65100;
  transform: translateY(-2px);
}

.back-to-top:focus {
  outline: 2px solid var(--color-white);
  outline-offset: 2px;
}

.back-to-top--visible {
  opacity: 1;
  visibility: visible;
}

/* Responsive Design */
@media (min-width: 768px) {
  .container {
    --container-padding: 2rem;
  }
  
  .grid--two {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid--three {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .nav__toggle {
    display: none;
  }
  
  .nav__menu {
    display: flex;
    position: static;
    width: auto;
    background: none;
    box-shadow: none;
    padding: 0;
    gap: var(--spacing-lg);
  }
  
  .nav__item {
    margin: 0;
  }
  
  .nav__link {
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .hero__container {
    grid-template-columns: 1fr 1fr;
    text-align: left;
  }
  
  .hero__content {
    text-align: left;
  }
  
  .hero__actions {
    flex-direction: row;
    justify-content: flex-start;
  }
  
  .hero__title {
    font-size: var(--font-size-5xl);
  }
  
  .fears {
    grid-template-columns: 1fr 1fr;
  }
  
  .program {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .tips {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .testimonials {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .science {
    grid-template-columns: 1fr 1fr;
  }
  
  .science__content {
    grid-template-columns: 1fr;
  }
  
  .format {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .blog-teasers {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact {
    grid-template-columns: 1fr 1fr;
  }
  
  .footer__content {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid--three {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .testimonials {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .science__content {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .blog-teasers {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Print Styles */
@media print {
  .header,
  .nav__toggle,
  .back-to-top {
    display: none !important;
  }
  
  .hero {
    margin-top: 0;
  }
  
  * {
    color: black !important;
    background: white !important;
  }
  
  .section {
    break-inside: avoid;
  }
}