:root {
  /* Colors */
  --color-primary: #8A2BE2; /* Amethyst */
  --color-secondary: #F0E6F7; /* Lavender Blush */
  --color-background: #F8F8F8; /* Light Grayish White */
  --color-footer-bg: #4B0082; /* Deep Purple */
  --color-button: #9932CC; /* Orchid */
  --color-text-primary: #333333; /* Dark Gray */
  --color-text-secondary: #666666; /* Medium Gray */
  --color-accent: #DDA0DD; /* Plum - derived for subtle accents */

  /* Section Backgrounds */
  --section-bg-1: #FFFFFF;
  --section-bg-2: #F8F0FA;
  --section-bg-3: #EDE5F5;
  --section-bg-4: #E1D4EC;

  /* Typography */
  --font-family-heading: 'Playfair Display', serif;
  --font-family-body: 'Raleway', sans-serif;
  --font-size-base: 1.125rem; /* 18px */
  --line-height-base: 1.7;
  --line-height-heading: 1.2;

  /* Spacing */
  --spacing-unit: 1rem;
  --padding-section: calc(var(--spacing-unit) * 5) var(--spacing-unit); /* 80px vertical */

  /* Border Radius */
  --border-radius-small: 0.25rem;
  --border-radius-medium: 0.75rem;
  --border-radius-large: 9999px; /* For rounded-full buttons */

  /* Shadows */
  --shadow-subtle: 0 4px 12px rgba(0, 0, 0, 0.05); /* Light, diffused shadow */
  --shadow-button: 0 6px 15px rgba(153, 50, 204, 0.2); /* Orchid-tinted shadow */
  --shadow-button-hover: 0 8px 20px rgba(153, 50, 204, 0.3);

  /* Transitions */
  --transition-speed: 0.3s;
  --transition-timing-function: ease-in-out;
}

/* Base Styles */
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-body);
  color: var(--color-text-primary);
  background-color: var(--color-background);
  line-height: var(--line-height-base);
  font-size: var(--font-size-base);
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  color: var(--color-primary);
  line-height: var(--line-height-heading);
  margin-top: 2.5rem;
  margin-bottom: 1.5rem;
  letter-spacing: 0.02em; /* Subtle letter spacing for elegance */
}

h1 {
  font-size: 3.5rem; /* ~56px */
  font-weight: 700;
}

h2 {
  font-size: 2.75rem; /* ~44px */
  font-weight: 600;
}

h3 {
  font-size: 2.25rem; /* ~36px */
  font-weight: 500;
}

h4 {
  font-size: 1.75rem; /* ~28px */
  font-weight: 500;
}

p {
  margin-bottom: 1.25rem;
  color: var(--color-text-secondary);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-speed) var(--transition-timing-function),
              transform var(--transition-speed) var(--transition-timing-function);
}

a:hover {
  color: var(--color-accent);
  text-decoration: underline;
  transform: translateY(-1px);
}

/* Utility Classes */
.container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.5rem 0;
  background-color: rgba(255, 255, 255, 0.9);
  transition: background-color var(--transition-speed) var(--transition-timing-function),
              backdrop-filter var(--transition-speed) var(--transition-timing-function);
}

.header.scrolled {
  background-color: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-subtle);
}

.nav-link {
  font-family: var(--font-family-body);
  font-weight: 500;
  font-size: 1.1rem;
  color: var(--color-text-primary);
  margin: 0 1.25rem;
  position: relative;
  transition: color var(--transition-speed) var(--transition-timing-function);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-speed) var(--transition-timing-function);
}

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

.nav-link:hover::after {
  width: 100%;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 2.2rem;
  border: none;
  border-radius: var(--border-radius-large);
  font-family: var(--font-family-body);
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-speed) var(--transition-timing-function);
  box-shadow: var(--shadow-button);
}

.btn-primary {
  background-color: var(--color-button);
  color: white;
  letter-spacing: 0.05em;
}

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

.btn-secondary {
  background-color: transparent;
  color: var(--color-button);
  border: 2px solid var(--color-button);
  box-shadow: none;
}

.btn-secondary:hover {
  background-color: var(--color-button);
  color: white;
  transform: translateY(-3px);
  box-shadow: var(--shadow-button-hover);
}

/* Section Backgrounds */
.section-bg-1 {
  background-color: var(--section-bg-1); /* White */
  padding: var(--padding-section);
}

.section-bg-2 {
  background-color: var(--section-bg-2); /* F8F0FA */
  padding: var(--padding-section);
}

.section-bg-3 {
  background-color: var(--section-bg-3); /* EDE5F5 */
  padding: var(--padding-section);
}

.section-bg-4 {
  background-color: var(--section-bg-4); /* E1D4EC */
  padding: var(--padding-section);
}

/* Cards */
.card {
  background-color: var(--section-bg-1);
  border-radius: var(--border-radius-medium);
  box-shadow: var(--shadow-subtle);
  padding: 2.5rem;
  margin: 1.5rem 0;
  transition: transform var(--transition-speed) var(--transition-timing-function),
              box-shadow var(--transition-speed) var(--transition-timing-function);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

/* Images */
img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--border-radius-medium); /* Soft rounded corners for images */
  filter: saturate(1.05) brightness(1.05); /* Subtle enhancement for spa aesthetic */
}

/* Forms */
input[type="text"],
input[type="email"],
input[type="password"],
textarea {
  width: 100%;
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
  border: 1px solid var(--color-secondary);
  border-radius: var(--border-radius-small);
  font-family: var(--font-family-body);
  font-size: 1rem;
  color: var(--color-text-primary);
  background-color: var(--section-bg-1);
  transition: border-color var(--transition-speed) var(--transition-timing-function),
              box-shadow var(--transition-speed) var(--transition-timing-function);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(138, 43, 226, 0.15); /* Light primary glow */
}

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

/* Footer */
.footer {
  background-color: var(--color-footer-bg);
  color: var(--color-secondary);
  padding: var(--padding-section);
  text-align: center;
  font-size: 0.95rem;
}

.footer a {
  color: var(--color-accent);
  margin: 0 0.5rem;
}

.footer a:hover {
  color: var(--color-secondary);
  text-decoration: underline;
}

/* Subtle Scroll Animations (AOS replacement concept) */
[data-aos="fade-up"] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

[data-aos="fade-up"].aos-animate {
  opacity: 1;
  transform: translateY(0);
}

[data-aos="fade-in"] {
  opacity: 0;
  transition: opacity 1s ease-out;
}

[data-aos="fade-in"].aos-animate {
  opacity: 1;
}

/* Media Queries for Responsiveness */
@media (max-width: 1024px) {
  h1 {
    font-size: 3rem;
  }
  h2 {
    font-size: 2.25rem;
  }
  h3 {
    font-size: 1.8rem;
  }
  .nav-link {
    margin: 0 0.8rem;
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-base: 1rem;
    --padding-section: calc(var(--spacing-unit) * 3) var(--spacing-unit);
  }
  h1 {
    font-size: 2.5rem;
  }
  h2 {
    font-size: 2rem;
  }
  .header {
    padding: 1rem 0;
  }
  .btn {
    padding: 0.8rem 1.8rem;
    font-size: 1rem;
  }
  .nav-link {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 2rem;
  }
  h2 {
    font-size: 1.75rem;
  }
  h3 {
    font-size: 1.5rem;
  }
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  .card {
    padding: 1.5rem;
  }
}


/* Cookie Banner Additional Styles for Tailwind */
.cookie-banner-hover-effect:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

@media (prefers-reduced-motion: reduce) {
    .cookie-banner-hover-effect:hover {
        transform: none;
    }
}