/* ============================================
   BASE STYLES — Reset + Defaults
   ============================================ */

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-20);
}

body {
  min-height: 100dvh;
  line-height: 1.65;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

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

ul[role='list'], ol[role='list'] { list-style: none; }

input, button, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4, h5, h6 {
  text-wrap: balance;
  line-height: 1.15;
  font-family: var(--font-display);
}

p, li, figcaption { text-wrap: pretty; max-width: 72ch; }

::selection { background: color-mix(in srgb, var(--color-primary) 20%, transparent); color: var(--color-text); }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

button { cursor: pointer; background: none; border: none; }
table  { border-collapse: collapse; width: 100%; }

a, button, [role='button'], input, textarea, select {
  transition: color var(--transition-interactive),
              background var(--transition-interactive),
              border-color var(--transition-interactive),
              box-shadow var(--transition-interactive),
              opacity var(--transition-interactive);
}

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

/* ============================================
   LAYOUT UTILITIES
   ============================================ */

.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 5vw, var(--space-16));
}

.container--narrow  { max-width: var(--content-narrow); }
.container--default { max-width: var(--content-default); }

section {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

.display    { font-size: var(--text-3xl); font-weight: 800; font-family: var(--font-display); line-height: 1.05; }
.heading-xl { font-size: var(--text-2xl); font-weight: 700; font-family: var(--font-display); line-height: 1.1; }
.heading-lg { font-size: var(--text-xl);  font-weight: 700; font-family: var(--font-display); line-height: 1.15; }
.heading-md { font-size: var(--text-lg);  font-weight: 600; font-family: var(--font-display); line-height: 1.25; }
.text-muted { color: var(--color-text-muted); }
.text-small { font-size: var(--text-sm); }
.label-tag  {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--brand-orange-light);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  cursor: pointer;
  text-decoration: none;
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn-primary:hover  { background: var(--color-primary-hover); border-color: var(--color-primary-hover); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-primary:active { background: var(--color-primary-active); transform: translateY(0); }

.btn-secondary {
  background: transparent;
  color: var(--color-secondary);
  border-color: var(--color-secondary);
}
.btn-secondary:hover { background: var(--brand-navy-light); transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: var(--color-border);
}
.btn-ghost:hover { background: var(--color-surface-2); color: var(--color-text); }

.btn-lg { padding: var(--space-4) var(--space-10); font-size: var(--text-base); }
.btn-sm { padding: var(--space-2) var(--space-4); font-size: var(--text-xs); }

/* ============================================
   CARDS
   ============================================ */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-smooth), transform var(--transition-smooth);
}
.card:hover { box-shadow: var(--shadow-md); }

/* ============================================
   FORM ELEMENTS
   ============================================ */

.form-group { display: flex; flex-direction: column; gap: var(--space-2); }

.form-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.form-label .optional {
  font-weight: 400;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  margin-left: var(--space-1);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 15%, transparent);
}

.form-input::placeholder { color: var(--color-text-faint); }

.form-hint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}

.form-radio-group, .form-checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-radio-label, .form-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-base);
  cursor: pointer;
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  transition: all var(--transition-fast);
}

.form-radio-label:hover, .form-checkbox-label:hover {
  border-color: var(--color-primary);
  background: var(--brand-orange-light);
}

.form-radio-label input, .form-checkbox-label input { margin-top: 2px; accent-color: var(--color-primary); }

.form-radio-label.selected, .form-checkbox-label.selected {
  border-color: var(--color-primary);
  background: var(--brand-orange-light);
}

.idk-option {
  border-style: dashed;
  color: var(--color-text-muted);
}
.idk-option:hover { border-color: var(--color-text-muted); }