/* ============================================================
   GoldenPaw — Theme Design System (theme.css)
   Natural Pet Nutrition · Warm & Vibrant (sage / terracotta)
   ============================================================ */

:root {
  /* Brand primary — sage green */
  --gp-brand: #8A9A5B;
  --gp-brand-foreground: #FFFFFF;
  --gp-brand-light: #A8B67D;
  --gp-brand-dark: #6E7D49;
  --gp-brand-muted: rgba(138, 154, 91, 0.12);
  --gp-brand-glow: rgba(138, 154, 91, 0.22);

  /* Brand accent — terracotta */
  --gp-accent: #C06B3E;
  --gp-accent-foreground: #FFFFFF;
  --gp-accent-light: #D98B62;
  --gp-accent-dark: #9A5532;
  --gp-accent-muted: rgba(192, 107, 62, 0.10);

  /* Surfaces — warm cream/ivory */
  --gp-background: #F5F1E9;
  --gp-foreground: #2C2925;
  --gp-ink: #2C2925;
  --gp-card: #FFFFFF;
  --gp-card-foreground: #2C2925;
  --gp-surface-2: #FDFBF7;
  --gp-surface-3: #EDE8DE;

  /* Text hierarchy */
  --gp-muted: #8A847A;
  --gp-muted-foreground: #6B655C;
  --gp-ink-secondary: #6B655C;
  --gp-ink-muted: #8A847A;

  /* Lines & borders */
  --gp-border: #E4DDD0;
  --gp-input: #E4DDD0;
  --gp-ring: #8A9A5B;
  --gp-divider: rgba(44, 41, 37, 0.08);

  /* Semantic state colors */
  --gp-destructive: #B54A4A;
  --gp-success: #7A9E6E;
  --gp-warning: #C9A04D;
  --gp-info: #6A8FA3;

  /* Radius — rounded & approachable */
  --gp-radius-sm: 8px;
  --gp-radius-md: 14px;
  --gp-radius-lg: 22px;
  --gp-radius-xl: 32px;

  /* Shadows — soft & natural */
  --gp-shadow-sm: 0 2px 8px rgba(44, 41, 37, 0.06);
  --gp-shadow-md: 0 8px 24px rgba(44, 41, 37, 0.08);
  --gp-shadow-lg: 0 18px 48px rgba(44, 41, 37, 0.10);
  --gp-shadow-sage: 0 12px 32px rgba(138, 154, 91, 0.16);
  --gp-shadow-terracotta: 0 12px 32px rgba(192, 107, 62, 0.14);

  /* Typography — rounded modern sans */
  --gp-font-display: "Poppins", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --gp-font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;

  /* Spacing (8pt grid) */
  --gp-space-1: 4px;
  --gp-space-2: 8px;
  --gp-space-3: 12px;
  --gp-space-4: 16px;
  --gp-space-5: 24px;
  --gp-space-6: 32px;
  --gp-space-7: 48px;
  --gp-space-8: 80px;
}

/* ---------- Base ---------- */
* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--gp-font-body);
  font-size: 16px;
  line-height: 1.6;
  background-color: var(--gp-background);
  color: var(--gp-foreground);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, h5, h6 { font-family: var(--gp-font-display); font-weight: 600; line-height: 1.15; margin: 0 0 0.5em; letter-spacing: -0.02em; }
p { margin: 0 0 1em; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: inherit; }

::selection { background: var(--gp-brand); color: var(--gp-brand-foreground); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--gp-surface-3); }
::-webkit-scrollbar-thumb { background: var(--gp-border); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: var(--gp-brand); }

/* ---------- Typography helpers ---------- */
.font-display { font-family: var(--gp-font-display); font-weight: 600; letter-spacing: -0.02em; }
.gp-word-ext { color: var(--gp-brand-light); }

/* ---------- Layout ---------- */
.gp-container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}
@media (min-width: 1024px) {
  .gp-container { padding: 0 32px; }
}

.section-padding {
  padding: 100px 24px;
}
@media (min-width: 1024px) {
  .section-padding { padding: 120px 48px; }
}

/* ---------- Buttons ---------- */
.btn-primary,
.btn-accent,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 36px;
  font-family: var(--gp-font-body);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.04em;
  border-radius: 999px;
  border: none;
  text-align: center;
  transition: background-color 0.25s cubic-bezier(0.2, 0.8, 0.2, 1),
              color 0.25s cubic-bezier(0.2, 0.8, 0.2, 1),
              transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1),
              border-color 0.25s cubic-bezier(0.2, 0.8, 0.2, 1),
              box-shadow 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.btn-primary { background: var(--gp-brand); color: var(--gp-brand-foreground); }
.btn-primary:hover { background: var(--gp-brand-dark); transform: translateY(-2px); box-shadow: var(--gp-shadow-sage); }
.btn-accent { background: var(--gp-accent); color: var(--gp-accent-foreground); }
.btn-accent:hover { background: var(--gp-accent-dark); transform: translateY(-2px); box-shadow: var(--gp-shadow-terracotta); }
.btn-ghost { background: transparent; color: var(--gp-foreground); border: 1.5px solid var(--gp-border); }
.btn-ghost:hover { border-color: var(--gp-brand); color: var(--gp-brand); background-color: var(--gp-brand-muted); }
.btn-primary.small,
.btn-accent.small,
.btn-ghost.small { padding: 10px 20px; font-size: 13px; }
.is-light > .btn-ghost,
.on-dark .btn-ghost,
.btn-ghost.on-dark { color: var(--gp-cream, #fff); border-color: rgba(245, 241, 233, 0.5); }
.btn-plain {
  display: inline-flex; align-items: center; justify-content: center;
  background: #fff; color: var(--gp-brand-dark); border: none;
  padding: 16px 36px; border-radius: 999px; font-family: var(--gp-font-body);
  font-weight: 600; font-size: 14px; letter-spacing: 0.04em; cursor: pointer;
  transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.btn-plain:hover { box-shadow: var(--gp-shadow-md); transform: translateY(-2px); }

/* ---------- Badges ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.badge-sage { background: var(--gp-brand-muted); color: var(--gp-brand-dark); }
.badge-terracotta { background: var(--gp-accent-muted); color: var(--gp-accent-dark); }

/* ---------- Warm card ---------- */
.warm-card {
  background: var(--gp-card);
  border: 1px solid var(--gp-border);
  border-radius: var(--gp-radius-lg);
  transition: border-color 0.3s cubic-bezier(0.2, 0.8, 0.2, 1),
              transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1),
              box-shadow 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.warm-card:hover {
  border-color: var(--gp-brand);
  transform: translateY(-6px);
  box-shadow: var(--gp-shadow-sage);
}

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(0.3, 0, 0, 1),
              transform 0.8s cubic-bezier(0.3, 0, 0, 1);
}
.reveal.in-view { opacity: 1; transform: translateY(0); }
.stagger-1 { transition-delay: 0.08s; }
.stagger-2 { transition-delay: 0.16s; }
.stagger-3 { transition-delay: 0.24s; }
.stagger-4 { transition-delay: 0.32s; }

/* ---------- Grid helpers ---------- */
.gp-grid { display: grid; gap: 24px; }
.text-center { text-align: center; }
.gp-grid--2 { grid-template-columns: 1fr; }
.gp-grid--3 { grid-template-columns: 1fr; }
.gp-grid--4 { grid-template-columns: 1fr; }
.gp-grid--5 { grid-template-columns: repeat(2, 1fr); }
@media (min-width: 768px) {
  .gp-grid--2 { grid-template-columns: repeat(2, 1fr); }
  .gp-grid--3 { grid-template-columns: repeat(2, 1fr); }
  .gp-grid--4 { grid-template-columns: repeat(2, 1fr); }
  .gp-grid--5 { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1024px) {
  .gp-grid--3 { grid-template-columns: repeat(3, 1fr); }
  .gp-grid--4 { grid-template-columns: repeat(4, 1fr); }
  .gp-grid--5 { grid-template-columns: repeat(5, 1fr); }
}

/* ---------- Screen reader / skip link ---------- */
.screen-reader-text {
  border: 0; clip: rect(1px, 1px, 1px, 1px); clip-path: inset(50%);
  height: 1px; width: 1px; margin: -1px; overflow: hidden;
  padding: 0; position: absolute; word-wrap: normal !important;
}
.skip-link:focus {
  position: absolute; left: 8px; top: 8px; z-index: 100000;
  background: var(--gp-foreground); color: #fff; padding: 8px 16px; border-radius: 8px;
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}