/**
 * FUTURO | Studio & Athletic Club — Base Styles v2
 * Clean typography with Geist, warm stone background, accessible layout.
 */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--color-canvas-stone);
  color: var(--color-ink-dark);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.6;
  background-color: var(--color-canvas-stone);
  color: var(--color-ink-dark);
  overflow-x: hidden;
  position: relative;
}

/* Custom Selection */
::selection {
  background-color: var(--color-accent-lime);
  color: #121211;
}

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

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

button {
  background: none;
  border: none;
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

ul, ol {
  list-style: none;
}

/* Headings with Geist */
h1, h2, h3, h4, .font-heading {
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.18;
  color: inherit;
}

.font-mono {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Section Tag Pill */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--color-ink-dark-muted);
  margin-bottom: var(--space-sm);
}

.section-tag::before {
  content: "•";
  color: var(--color-ink-dark);
  font-size: 1rem;
  line-height: 1;
}

.section-tag.light-mode {
  color: var(--color-ink-light-muted);
}

.section-tag.light-mode::before {
  color: var(--color-accent-lime);
}

/* Containers */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(1rem, 3.5vw, 2.5rem);
  padding-right: clamp(1rem, 3.5vw, 2.5rem);
}

/* 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-width: 0;
}

/* Accessible Skip Link */
.skip-link {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 10000;
  background-color: #121211;
  color: #FFFFFF;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  transform: translateY(-200%);
  transition: transform var(--transition-fast);
}

.skip-link:focus {
  transform: translateY(0);
  outline: 2px solid var(--color-accent-lime);
}