/* Global design tokens and base styles */
:root {
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 4.5rem;

  --color-primary: #5a2340;
  --color-secondary: #d7a4a7;
  --color-accent: #a8752f;
  --color-surface: #fff9f2;
  --color-surface-elevated: color-mix(in oklab, var(--color-surface) 92%, var(--color-secondary));
  --color-border: #d3ccc9;
  --color-outline: #c9bdba;
  --color-neutral: #bdb6b3;
  --color-on-surface: #14110f;
  --color-on-surface-secondary: #4a3f3c;
  --color-on-primary: #ffffff;
  --color-on-accent: #ffffff;
  --color-overlay: color-mix(in oklab, #000000 40%, transparent);
  --color-scrim: color-mix(in oklab, #000000 65%, transparent);

  --font-family-heading: "Fraunces", serif;
  --font-family-body: "Roboto", sans-serif;
  --font-weight-heading: 700;
  --font-weight-medium: 600;
  --font-weight-body: 400;
  --line-height-heading: 1.28;
  --line-height-body: 1.65;
  --letter-spacing-heading: 0.04em;
  --letter-spacing-body: 0.02em;

  --font-size-xs: clamp(0.65rem, 0.6vw + 0.45rem, 0.75rem);
  --font-size-sm: clamp(0.8rem, 0.8vw + 0.4rem, 0.9rem);
  --font-size-base: clamp(0.95rem, 1vw + 0.4rem, 1rem);
  --font-size-lg: clamp(1.05rem, 1.2vw + 0.6rem, 1.25rem);
  --font-size-xl: clamp(1.25rem, 1.6vw + 0.7rem, 1.5rem);
  --font-size-2xl: clamp(1.6rem, 2.2vw + 0.8rem, 1.9rem);
  --font-size-3xl: clamp(2.2rem, 3.2vw + 0.6rem, 2.8rem);
  --font-size-4xl: clamp(3rem, 5vw + 0.4rem, 4.2rem);

  --border-radius-sm: 6px;
  --border-radius-md: 10px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;
  --border-radius-full: 9999px;

  --shadow-level-1: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-level-2: 0 6px 20px rgba(0, 0, 0, 0.12);
  --shadow-level-3: 0 18px 40px rgba(0, 0, 0, 0.18);

  --content-max-width: 76rem;
  --border-radius-control: 10px;
  --navigation-height: 4.5rem;

  scroll-behavior: smooth;
}

/* Reset & base */
* {
  box-sizing: border-box;
}

html {
  line-height: 1.15;
  font-size: 100%;
  font-family: var(--font-family-body);
  background: var(--color-surface);
}

body {
  margin: 0;
  color: var(--color-on-surface);
  font-size: var(--font-size-base);
  font-family: var(--font-family-body);
  font-weight: var(--font-weight-body);
  letter-spacing: var(--letter-spacing-body);
  line-height: var(--line-height-body);
  background: var(--color-surface);
  min-height: 100vh;
  padding-top: var(--navigation-height);
}

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

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-outline);
  outline-offset: 2px;
}

button {
  font-family: inherit;
  border: none;
  background: transparent;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

.section-title {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-heading);
  letter-spacing: 0.08em;
  text-transform: lowercase;
}

.container {
  width: 100%;
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  border: 1px solid transparent;
  border-radius: var(--border-radius-full);
  transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease, color 0.25s ease;
  cursor: pointer;
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-2xl);
  font-size: var(--font-size-base);
}

.btn-primary {
  color: var(--color-on-primary);
  background: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-level-2);
}

.btn-secondary {
  color: var(--color-on-primary);
  background: var(--color-secondary);
  border-color: var(--color-secondary);
}

.btn-outline {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: transparent;
}

.btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-level-2);
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.btn-primary:hover:not(:disabled) {
  background: color-mix(in oklab, var(--color-primary) 90%, var(--color-surface));
  border-color: color-mix(in oklab, var(--color-primary) 90%, var(--color-surface));
}

.btn-secondary:hover:not(:disabled) {
  background: color-mix(in oklab, var(--color-secondary) 90%, var(--color-surface));
  border-color: color-mix(in oklab, var(--color-secondary) 90%, var(--color-surface));
}

.btn-outline:hover:not(:disabled) {
  color: var(--color-on-primary);
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-full);
  background: color-mix(in oklab, var(--color-secondary) 35%, var(--color-surface));
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-xs);
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-level-1);
  padding: var(--spacing-xl);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-level-3);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

@media (max-width: 767px) {
  .container {
    padding: 0 var(--spacing-lg);
  }
}

@media (max-width: 479px) {
  .container {
    padding: 0 var(--spacing-md);
  }
}