/* ==========================================================================
   Base Styles — Reset, Typography, Global Elements
   ========================================================================== */

/* Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-weight: var(--weight-regular);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--brand-dark);
  background-color: var(--brand-cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img,
picture,
video,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

a:hover {
  color: var(--accent-blue-light);
}

ul,
ol {
  list-style: none;
}

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

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-tight);
  color: var(--brand-dark);
}

h1 {
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--text-3xl);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.01em;
}

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

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

h5 {
  font-size: var(--text-lg);
  font-weight: var(--weight-medium);
}

h6 {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--font-accent);
}

p {
  margin-bottom: var(--space-4);
}

p:last-child {
  margin-bottom: 0;
}

strong {
  font-weight: var(--weight-semibold);
}

small {
  font-size: var(--text-sm);
}

/* Desktop typography scale-up */
@media (min-width: 768px) {
  h1 {
    font-size: var(--text-5xl);
  }
  h2 {
    font-size: var(--text-4xl);
  }
  h3 {
    font-size: var(--text-3xl);
  }
}

@media (min-width: 1024px) {
  h1 {
    font-size: var(--text-6xl);
  }
  h2 {
    font-size: var(--text-5xl);
  }
}

/* Selection */
::selection {
  background: var(--accent-amber);
  color: var(--brand-white);
}

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Utility: screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}