/* =============================================================================
   Eternal Thread — Base Styles
   Resets Storefront defaults; applies the Eternal Presence design system.
   ============================================================================= */

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; }

/* ── Remove browser focus outlines site-wide ── */
*:focus,
*:focus-visible {
  outline: none !important;
  box-shadow: none !important;
}
a:focus, button:focus, [role="button"]:focus,
input:focus, select:focus, textarea:focus { outline: none !important; }

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

body {
  background-color: var(--surface);
  color: var(--on-surface);
  font-family: var(--font-ui);
  font-size: var(--text-body-md);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── No 1px border rule (hard requirement from DESIGN.md) ── */
hr { display: none; }

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--primary);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 { font-size: var(--text-display-md); font-weight: 800; }
h2 { font-size: var(--text-headline-lg); font-weight: 700; }
h3 { font-size: var(--text-headline-md); font-weight: 600; }
h4 { font-size: var(--text-title-lg); font-weight: 600; }

p, li {
  font-family: var(--font-editorial);
  font-size: var(--text-body-md);
  color: var(--on-surface);
  max-width: 68ch;
}

/* ── Layout container ── */
.et-container {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ── Buttons ── */
.et-btn,
.button,
button[type="submit"],
input[type="submit"],
.woocommerce a.button,
.woocommerce button.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  font-family: var(--font-ui);
  font-size: var(--text-micro);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  padding: var(--space-16) var(--space-32);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-base), opacity var(--transition-fast);
}

/* Primary button */
.et-btn--primary,
.woocommerce a.button.alt,
.woocommerce button.button.alt,
.woocommerce #respond input#submit.alt,
.single_add_to_cart_button {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-container) 100%);
  color: var(--on-primary);
}
.et-btn--primary:hover,
.woocommerce a.button.alt:hover,
.single_add_to_cart_button:hover {
  opacity: 0.88;
  color: var(--on-primary);
}

/* Secondary button */
.et-btn--secondary,
.woocommerce a.button,
.woocommerce button.button {
  background: var(--secondary-container);
  color: var(--on-secondary-container);
}
.et-btn--secondary:hover { opacity: 0.88; }

/* Text/editorial button */
.et-btn--text {
  background: transparent;
  color: var(--on-surface);
  padding-inline: 0;
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
  text-transform: none;
  letter-spacing: 0;
}

/* ── Input fields ── */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="password"],
input[type="search"],
textarea,
select {
  font-family: var(--font-ui);
  font-size: var(--text-body-sm);
  color: var(--on-surface);
  background: var(--surface-container-highest);
  border: none;
  border-bottom: 1px solid rgba(26, 28, 26, 0.20);
  border-radius: 0;
  padding: var(--space-12) var(--space-16);
  width: 100%;
  transition:
    border-color var(--transition-base),
    background var(--transition-base);
  outline: none;
}
input:focus,
textarea:focus,
select:focus {
  border-bottom-color: var(--secondary);
  background: var(--surface-container-lowest);
}

/* ── Cards ── */
.et-card {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  /* no borders — separation via surface layering */
}

/* ── Header ── */
.site-header,
#masthead {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--surface);
  transition: background var(--transition-base), backdrop-filter var(--transition-base);
}
.site-header.is-scrolled,
#masthead.is-scrolled {
  background: rgba(250, 249, 246, 0.80);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

/* ── Footer ── */
.site-footer,
#colophon {
  background: var(--surface-container);
}

/* ── WooCommerce overrides ── */
.woocommerce-breadcrumb,
.woocommerce .quantity .qty {
  font-family: var(--font-ui);
  font-size: var(--text-micro);
}

.woocommerce ul.products li.product a img {
  border-radius: var(--radius-xl);
}

/* Remove Storefront's default borders/lines */
.storefront-breadcrumb,
.woocommerce-products-header {
  border: none;
}