/* ============================================================
   PUROALOE — Design System (Natura-inspired)
   Soft professional green gradients, clean sans-serif, minimal
   ============================================================ */

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

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}




img,
svg {
  display: block;
  max-width: 100%;
}

a {
  text-decoration: none;
  color: inherit;
}

button,
input,
select,
textarea {
  font: inherit;
  border: none;
  outline: none;
  background: none;
}

ul,
ol {
  list-style: none;
}

/* ===================== TOKENS: NATURA GREEN PALETTE ===================== */
:root {
  /* Green palette — inspired by Natura's soft gradient greens */
  --color-primary: #3a8b5c;
  --color-primary-light: #5aad78;
  --color-primary-dark: #2a6b44;
  --color-primary-50: #f0f8f3;
  --color-primary-100: #d4eede;
  --color-primary-200: #a8dbb8;

  /* Gradient presets (Natura-style soft greens) */
  --gradient-green: linear-gradient(135deg, #3a7a56 0%, #5aad78 40%, #8dc9a0 100%);
  --gradient-green-dark: linear-gradient(135deg, #2a5a3e 0%, #3a8b5c 50%, #6bb888 100%);
  --gradient-hero: linear-gradient(135deg, #2a5a3e 0%, #3a8b5c 30%, #6bb888 70%, #8dc9a0 100%);
  --gradient-sage: linear-gradient(135deg, #5a8a66 0%, #7db38a 50%, #a8d4b4 100%);
  --gradient-warm: linear-gradient(135deg, #c49a3c 0%, #dbb960 50%, #e8cf8a 100%);

  /* Accent (gold — subtle, premium) */
  --color-accent: #c49a3c;
  --color-accent-dark: #a07a28;

  /* Neutrals */
  --color-bg: #ffffff;
  --color-bg-alt: #f6f8f7;
  --color-bg-dark: #1e2d25;
  --color-surface: #ffffff;
  --color-border: #e2e8e5;
  --color-border-light: #edf2ef;

  /* Text */
  --color-text: #1a2e22;
  --color-text-secondary: #5a6e62;
  --color-text-muted: #8a9c92;
  --color-text-inverse: #ffffff;

  /* Status */
  --color-error: #e55050;
  --color-success: #3a8b5c;

  /* ===================== TYPOGRAPHY (clean sans-serif like Natura) ===================== */
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --text-xs: 0.75rem;
  --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;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  --font-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;

  --leading-tight: 1.15;
  --leading-snug: 1.3;
  --leading-normal: 1.5;
  --leading-relaxed: 1.65;

  --tracking-tight: -0.02em;
  --tracking-normal: 0;
  --tracking-wide: 0.02em;
  --tracking-wider: 0.05em;

  /* ===================== SPACING ===================== */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* ===================== RADII ===================== */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* ===================== SHADOWS ===================== */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.12);
  --shadow-2xl: 0 20px 60px rgba(0, 0, 0, 0.15);
  --shadow-green: 0 4px 16px rgba(58, 139, 92, 0.25);
  --shadow-gold: 0 4px 16px rgba(196, 154, 60, 0.25);

  /* ===================== TRANSITIONS ===================== */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* ===================== Z-INDEX ===================== */
  --z-base: 1;
  --z-dropdown: 100;
  --z-fixed: 1000;
  --z-modal: 2000;
  --z-toast: 3000;

  /* ===================== CONTAINER ===================== */
  --container-xl: 1200px;
  --container-padding: 1.5rem;
}

/* ===================== BASE ===================== */
body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  color: var(--color-text);
  line-height: var(--leading-normal);
  background: var(--color-bg);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-bold);
  color: var(--color-text);
  line-height: var(--leading-tight);
}

h1 {
  font-size: var(--text-5xl);
}

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

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

/* ===================== CONTAINER ===================== */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ===================== SECTIONS ===================== */
.section {
  padding: var(--space-16) 0;
}

.section--sm {
  padding: var(--space-8) 0;
}

.section--lg {
  padding: var(--space-24) 0;
}

.bg-alt {
  background: var(--color-bg-alt);
}

/* ===================== UTILITIES ===================== */
.text-center {
  text-align: center;
}

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

.page-enter {
  animation: pageEnter 0.5s ease both;
}

@keyframes pageEnter {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

/* Natura-style lowercase headings */
.section-heading--lower {
  text-transform: lowercase;
}