/*
  NutriThrive design tokens — aligned with root index homepage (cream UI, Inter, #0f6b4d brand).
  Load this before /styles/global/style.css and page CSS.
*/

:root {
  /* Brand & homepage surfaces */
  --color-primary: #0f6b4d;
  --color-primary-dark: #0a4d36;
  --color-primary-light: #e8f5f1;
  --color-text: #1a2e22;
  --color-text-light: #5a6d5d;
  --color-text-muted: #6c757d;
  --color-bg: #f8f5ec;
  --color-bg-alt: #fffdfa;
  --color-accent: #7b541f;
  --color-border-soft: #ece7db;

  /* Spacing scale (8 / 16 / 24 / 32 / 48 px) */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;

  /* Typography — match homepage (Inter) */
  --font-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --font-heading: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;

  --radius-sm: 0.5rem;
  --radius: 1.125rem;
  --radius-lg: 1.125rem;
  --shadow: 0 4px 24px 0 rgba(15, 107, 77, 0.07);
  --shadow-hover: 0 8px 32px 0 rgba(15, 107, 77, 0.12);
  --transition: 0.4s cubic-bezier(0.4, 2, 0.6, 1);

  /* Legacy names used across style.css / homepage.css / blog.css */
  --bg: var(--color-bg);
  --card: var(--color-bg-alt);
  --primary: var(--color-primary);
  --accent: var(--color-accent);
  --footer-bg: var(--color-primary);
  --footer-text: #ffffff;
  --text: var(--color-text);
  --muted: var(--color-text-light);
  --border-light: rgba(15, 107, 77, 0.1);
  --surface-elevated: #ffffff;
  --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  --gradient-accent: linear-gradient(135deg, #7b541f 0%, #5a3e15 100%);

  /* Containers */
  --container-max: 1200px;
  --container-wide: 1280px;
}

html {
  box-sizing: border-box;
}

*,
*::before,
*::after {
  box-sizing: inherit;
}

body {
  font-family: var(--font-primary);
  color: var(--color-text);
  line-height: 1.6;
  background: var(--color-bg);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  color: var(--color-text);
  font-weight: 800;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2rem, 4vw, 2.7rem);
}

h2 {
  font-size: var(--text-3xl);
}

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

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

/* Unified CTAs — homepage + inner pages (avoid bare `button.btn` used in Labs tools) */
a.btn:not(.btn-secondary):not(.btn-outline):not(.secondary),
.btn-primary,
.hero-btn,
.add-to-cart-btn,
.checkout-btn,
.thank-you-btn:not(.secondary),
.about-btn-primary,
.btn-solid,
.btn-shop,
.hero-ctas__secondary,
.about-btn-secondary,
.btn-outline,
.btn-view-all,
.lab-report-btn {
  font-family: var(--font-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

a.btn:not(.btn-secondary):not(.btn-outline):not(.secondary),
.btn-primary,
.hero-btn:not(.alt),
.add-to-cart-btn,
.checkout-btn,
.thank-you-btn:not(.secondary),
.about-btn-primary,
.btn-solid,
.btn-shop {
  padding: 0.875rem 1.75rem;
  font-weight: 700;
  background: var(--color-primary);
  color: #fff;
  border: 2px solid var(--color-primary);
}

a.btn:not(.btn-secondary):not(.btn-outline):not(.secondary):hover,
.btn-primary:hover,
.hero-btn:not(.alt):hover,
.add-to-cart-btn:hover,
.checkout-btn:hover,
.thank-you-btn:not(.secondary):hover,
.about-btn-primary:hover,
.btn-solid:hover,
.btn-shop:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
}

.hero-ctas__secondary,
.about-btn-secondary,
.thank-you-btn.secondary,
.hero-btn.alt,
.btn-outline {
  padding: 0.875rem 1.75rem;
  font-weight: 600;
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.hero-ctas__secondary:hover,
.about-btn-secondary:hover,
.thank-you-btn.secondary:hover,
.hero-btn.alt:hover,
.btn-outline:hover {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
}

.btn-view-all {
  padding: var(--spacing-xs) var(--spacing-md);
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  font-weight: 600;
}

.btn-view-all:hover {
  background: var(--color-primary-light);
}

.lab-report-btn {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-primary-light);
  color: var(--color-primary);
  border: 1px solid var(--border-light);
  font-weight: 600;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

.section {
  padding: var(--spacing-xl) 0;
}