/* SwissMotionLab - Educational Content Resource */

:root {
  --color-slate: #34495E;
  --color-cyan: #4DB6AC;
  --color-ochre: #E67E22;
  --color-mist: #ECF0F1;
  --color-white: #FFFFFF;
  --color-dark: #1A252F;
  --transition-smooth: cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--color-white);
  color: var(--color-slate);
  line-height: 1.7;
  font-size: 16px;
  font-weight: 300;
}

h1 {
  font-size: clamp(2.5rem, 5.5vw, 5.5rem);
  font-weight: 300;
  letter-spacing: 0.06em;
  line-height: 1.2;
  color: var(--color-slate);
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(1.8rem, 4.5vw, 4.5rem);
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--color-slate);
  margin-bottom: 1.5rem;
}

h3 {
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-slate);
  margin-bottom: 1rem;
}

p {
  font-size: 1rem;
  line-height: 1.65;
  margin-bottom: 1.5rem;
  color: var(--color-slate);
}

a {
  color: var(--color-cyan);
  text-decoration: none;
  transition: all 0.5s var(--transition-smooth);
}

a:hover {
  color: var(--color-ochre);
}

/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-mist);
  z-index: 1000;
  padding: 1rem 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.header-container {
  max-width: 1700px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-slate);
}

.logo img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2.5rem;
  align-items: center;
}

nav a {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-slate);
  transition: all 0.5s var(--transition-smooth);
}

nav a:hover,
nav a.active {
  color: var(--color-cyan);
}

/* Main Content */
main {
  margin-top: 80px;
}

.section {
  padding: 150px 2rem;
  max-width: 1700px;
  margin: 0 auto;
}

.section-full {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  padding: 150px 2rem;
}

.section-alt {
  background: linear-gradient(135deg, var(--color-slate) 0%, var(--color-slate) 40%, var(--color-cyan) 100%);
  color: var(--color-white);
}

.section-alt h2,
.section-alt h3 {
  color: var(--color-white);
}

.section-alt p {
  color: rgba(255, 255, 255, 0.95);
}

/* Hero Section */
.hero {
  position: relative;
  padding: 100px 2rem;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(0deg, rgba(52, 73, 94, 0.3), rgba(52, 73, 94, 0.3)), url('images/hero-alpine-vista.jpg') center/cover no-repeat;
  text-align: center;
  color: var(--color-white);
  margin-top: 80px;
}

.hero-content {
  max-width: 900px;
  z-index: 2;
  animation: fadeInUp 1s ease-out forwards;
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.95);
  font-weight: 300;
  letter-spacing: 0.02em;
}

.hero-subtitle {
  color: var(--color-cyan);
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-bottom: 2rem;
  text-transform: uppercase;
}

/* Two Column Layout */
.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-bottom: 3rem;
}

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

.two-column.reverse .content {
  order: 2;
}

.two-column.reverse .image {
  order: 1;
}

.two-column img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
  transition: all 0.5s var(--transition-smooth);
}

.two-column img:hover {
  transform: translateY(-8px);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.15);
}

/* Grid Layout */
.grid-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
  margin: 2rem 0;
}

.grid-item {
  background: var(--color-mist);
  padding: 2rem;
  border-radius: 8px;
  transition: all 0.5s var(--transition-smooth);
}

.grid-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(77, 182, 172, 0.15);
}

.grid-item h3 {
  color: var(--color-cyan);
  margin-bottom: 1rem;
}

/* Card Grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin: 3rem 0;
}

.card {
  background: var(--color-white);
  border: 1px solid var(--color-mist);
  border-radius: 8px;
  padding: 2rem;
  text-align: center;
  transition: all 0.5s var(--transition-smooth);
  cursor: pointer;
}

.card:hover {
  transform: scale(1.06) translateY(-12px);
  box-shadow: 0 20px 60px rgba(77, 182, 172, 0.2);
  border-color: var(--color-cyan);
}

.card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 1.5rem;
}

.card h3 {
  color: var(--color-slate);
  margin-bottom: 1rem;
}

.card p {
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

/* CTA Button */
.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  background: var(--color-cyan);
  color: var(--color-white);
  border: none;
  border-radius: 4px;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.5s var(--transition-smooth);
  text-decoration: none;
  display: inline-block;
}

.btn:hover {
  background: var(--color-ochre);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(230, 126, 34, 0.3);
}

.btn-secondary {
  background: var(--color-slate);
}

.btn-secondary:hover {
  background: var(--color-cyan);
}

/* Form Styles */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--color-slate);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-mist);
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-cyan);
  box-shadow: 0 0 0 3px rgba(77, 182, 172, 0.1);
}

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

.disclaimer {
  background: var(--color-mist);
  border-left: 4px solid var(--color-cyan);
  padding: 1.5rem;
  margin: 2rem 0;
  border-radius: 4px;
  font-size: 0.9rem;
  color: var(--color-slate);
  line-height: 1.7;
}

/* Footer */
footer {
  background: linear-gradient(135deg, var(--color-slate) 0%, var(--color-slate) 50%, rgba(52, 73, 94, 0.9) 100%);
  color: var(--color-white);
  padding: 80px 2rem 2rem;
  margin-top: 150px;
}

.footer-container {
  max-width: 1700px;
  margin: 0 auto;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-section h3 {
  color: var(--color-cyan);
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
}

.footer-section p {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
}

.footer-section a {
  color: var(--color-cyan);
  text-decoration: none;
}

.footer-section a:hover {
  color: var(--color-ochre);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-disclaimer {
  background: rgba(0, 0, 0, 0.2);
  padding: 1.5rem;
  border-radius: 4px;
  margin: 2rem 0;
  font-size: 0.9rem;
  line-height: 1.7;
}

/* Accordion */
.accordion {
  margin: 3rem 0;
}

.accordion-item {
  border: 1px solid var(--color-mist);
  border-radius: 4px;
  margin-bottom: 1rem;
  overflow: hidden;
}

.accordion-header {
  background: var(--color-mist);
  padding: 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 500;
  color: var(--color-slate);
  transition: all 0.3s ease;
}

.accordion-header:hover {
  background: var(--color-white);
  color: var(--color-cyan);
}

.accordion-header.active {
  background: var(--color-cyan);
  color: var(--color-white);
}

.accordion-toggle {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}

.accordion-header.active .accordion-toggle {
  transform: rotate(180deg);
}

.accordion-content {
  display: none;
  padding: 1.5rem;
  background: var(--color-white);
  color: var(--color-slate);
  line-height: 1.7;
}

.accordion-content.active {
  display: block;
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-slate);
  color: var(--color-white);
  padding: 1.5rem 2rem;
  z-index: 999;
  box-shadow: 0 -5px 30px rgba(0, 0, 0, 0.2);
  animation: slideUp 0.5s ease-out;
  display: none;
}

.cookie-banner.active {
  display: flex;
}

.cookie-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1700px;
  margin: 0 auto;
  gap: 2rem;
  width: 100%;
}

.cookie-text {
  flex: 1;
  font-size: 0.95rem;
  line-height: 1.6;
}

.cookie-text a {
  color: var(--color-cyan);
  text-decoration: underline;
}

.cookie-buttons {
  display: flex;
  gap: 1rem;
  white-space: nowrap;
}

.cookie-btn {
  padding: 0.5rem 1.5rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 500;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.cookie-btn-accept {
  background: var(--color-cyan);
  color: var(--color-white);
}

.cookie-btn-accept:hover {
  background: var(--color-ochre);
}

.cookie-btn-reject {
  background: transparent;
  color: var(--color-white);
  border: 1px solid var(--color-white);
}

.cookie-btn-reject:hover {
  background: rgba(255, 255, 255, 0.1);
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Responsive */
@media (max-width: 768px) {
  .section {
    padding: 80px 1.5rem;
  }

  .section-full {
    padding: 80px 1.5rem;
  }

  .header-container {
    padding: 0 1rem;
  }

  nav ul {
    gap: 1.5rem;
  }

  nav a {
    font-size: 0.75rem;
  }

  .two-column,
  .two-column.reverse {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .two-column.reverse .content,
  .two-column.reverse .image {
    order: initial;
  }

  .grid-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .card-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .cookie-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .cookie-buttons {
    width: 100%;
  }

  .cookie-btn {
    flex: 1;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .hero {
    min-height: 70vh;
    padding: 50px 1.5rem;
  }

  nav {
    flex-wrap: wrap;
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 15px;
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  h3 {
    font-size: 1.1rem;
  }

  .section {
    padding: 50px 1rem;
  }

  .hero {
    min-height: 50vh;
  }

  nav ul {
    gap: 0.75rem;
  }

  .btn {
    padding: 0.6rem 1.5rem;
    font-size: 0.85rem;
  }

  .cookie-buttons {
    flex-direction: column;
  }

  .cookie-btn {
    width: 100%;
  }

  .logo {
    font-size: 1rem;
  }

  .logo img {
    width: 32px;
    height: 32px;
  }
}