:root {
  --color-bg: #FAF7F2;
  --color-bg-alt: #F0EBE1;
  --color-plum: #3A2638;
  --color-plum-light: #52384f;
  --color-terracotta: #C25E4B;
  --color-terracotta-hover: #A84F3E;
  --color-amber: #E19B61;
  --color-text: #2C2C2C;
  --color-text-light: #5B5B5B;
  
  --font-serif: 'Lora', serif;
  --font-sans: 'Inter', sans-serif;
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  --radius: 8px;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--color-plum);
  line-height: 1.2;
}

a {
  color: var(--color-terracotta);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

/* Typography */
.text-center { text-align: center; }
.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

/* Buttons */
.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  background-color: var(--color-terracotta);
  color: #fff;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 1.1rem;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
  text-align: center;
}

.btn:hover {
  background-color: var(--color-terracotta-hover);
  color: #fff;
  transform: translateY(-2px);
}

/* Header & Nav */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(250, 247, 242, 0.95);
  backdrop-filter: blur(10px);
  z-index: 100;
  border-bottom: 1px solid rgba(58, 38, 56, 0.1);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-plum);
}

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

.nav-links a {
  color: var(--color-plum);
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: var(--color-terracotta);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-plum);
  cursor: pointer;
}

/* Main Layout */
main {
  padding-top: 70px; /* Offset for fixed header */
}

section {
  padding: var(--spacing-lg) 0;
}

/* Hero Section */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background-color: var(--color-plum);
  color: var(--color-bg);
}

.hero::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url('./images/hero.png') center/cover no-repeat;
  opacity: 0.4;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero h1 {
  color: var(--color-bg);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  margin-bottom: var(--spacing-sm);
}

.hero p {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  margin-bottom: var(--spacing-md);
  opacity: 0.9;
  max-width: 600px;
}

/* Features / Problem Section */
.insight {
  background-color: var(--color-bg);
}

.insight-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.insight-card {
  background: var(--color-bg-alt);
  padding: var(--spacing-md);
  border-radius: var(--radius);
  border-left: 4px solid var(--color-terracotta);
}

.insight-card h3 {
  margin-bottom: var(--spacing-xs);
  font-size: 1.3rem;
}

/* What you learn */
.learn {
  background-color: var(--color-bg-alt);
}

.learn-list {
  list-style: none;
  max-width: 800px;
  margin: 0 auto;
}

.learn-list li {
  background: var(--color-bg);
  margin-bottom: var(--spacing-sm);
  padding: var(--spacing-md);
  border-radius: var(--radius);
  display: flex;
  gap: var(--spacing-sm);
  align-items: flex-start;
  box-shadow: 0 4px 6px rgba(0,0,0,0.02);
}

.learn-list .icon {
  color: var(--color-amber);
  font-size: 1.5rem;
  font-weight: bold;
}

/* Teacher Section */
.teacher {
  background-color: var(--color-bg);
}

.teacher-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.teacher-img {
  border-radius: var(--radius);
  box-shadow: 0 10px 30px rgba(58, 38, 56, 0.15);
  overflow: hidden;
}

.teacher-img img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
}

/* Form Section */
.lead-form-sec {
  background-color: var(--color-plum);
  color: var(--color-bg);
  padding: var(--spacing-xl) 0;
}

.lead-form-sec h2 {
  color: var(--color-bg);
}

.lead-form-container {
  max-width: 600px;
  margin: 0 auto;
  background: var(--color-bg);
  padding: var(--spacing-lg);
  border-radius: var(--radius);
  color: var(--color-text);
  box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

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

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-plum);
}

.form-group input {
  width: 100%;
  padding: 1rem;
  border: 1px solid #ddd;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 1rem;
  background: #fff;
  transition: border-color 0.3s ease;
}

.form-group input:focus {
  outline: none;
  border-color: var(--color-terracotta);
}

.form-submit {
  width: 100%;
  margin-top: var(--spacing-sm);
}

.legal-consent {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-top: var(--spacing-xs);
  text-align: center;
}

/* Footer */
footer {
  background-color: var(--color-plum-light);
  color: #E0DCD3;
  padding: var(--spacing-lg) 0 var(--spacing-md);
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.footer-col h4 {
  color: #fff;
  margin-bottom: var(--spacing-sm);
  font-family: var(--font-sans);
  font-size: 1.1rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: var(--spacing-xs);
}

.footer-col a {
  color: #E0DCD3;
}

.footer-col a:hover {
  color: var(--color-terracotta);
}

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

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-plum);
  color: #fff;
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  transform: translateY(100%);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  gap: var(--spacing-md);
}

.cookie-banner.show {
  transform: translateY(0);
}

.cookie-banner p {
  font-size: 0.9rem;
  margin: 0;
}

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

.cookie-btn {
  background-color: var(--color-terracotta);
  color: #fff;
  border: none;
  padding: 0.5rem 1.5rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 500;
  white-space: nowrap;
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Legal Pages */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-sm);
}

.legal-content h1 {
  margin-bottom: var(--spacing-md);
}

.legal-content h2 {
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  font-size: 1.5rem;
}

.legal-content p {
  margin-bottom: var(--spacing-sm);
}

.legal-content ul {
  margin-left: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.success-message {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: var(--spacing-lg) var(--spacing-sm);
}

/* Mobile */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    flex-direction: column;
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
    text-align: center;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    transform: translateY(-150%);
    transition: transform 0.3s ease;
    z-index: 99;
  }
  
  .nav-links.open {
    transform: translateY(0);
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .teacher-grid {
    grid-template-columns: 1fr;
  }
  
  .cookie-banner {
    flex-direction: column;
    text-align: center;
  }
  
  .btn {
    width: 100%;
  }
}