/* ============================================
   WAPromosi — Design System Base
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

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

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

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-body);
  line-height: var(--line-height-body);
  color: var(--color-text);
  background-color: #eef0f2;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-primary-hover);
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  letter-spacing: var(--letter-spacing-tight);
  font-weight: 800;
  color: var(--color-heading);
}

/* --- Design Tokens --- */
:root {
  /* Colors */
  --color-primary: #1a7f37;
  --color-primary-hover: #15692d;
  --color-primary-light: #e6f4ea;
  --color-accent: #f5c518;
  --color-accent-soft: #fef9e7;
  --color-bg: #ffffff;
  --color-bg-alt: #f8f9fa;
  --color-bg-warm: #fffbf0;
  --color-bg-dark: #0d1117;
  --color-bg-dark-alt: #161b22;
  --color-text: #1f2937;
  --color-heading: #111827;
  --color-text-light: #6b7280;
  --color-text-muted: #9ca3af;
  --color-text-on-dark: #e6edf3;
  --color-text-on-dark-muted: #8b949e;
  --color-border: #e5e7eb;
  --color-border-light: #f0f1f3;
  --color-danger: #dc2626;
  --color-success: #16a34a;
  --color-whatsapp: #25D366;

  /* Typography */
  --font-primary: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-hero: clamp(2.25rem, 5vw, 3.5rem);
  --font-size-h2: clamp(1.75rem, 3.5vw, 2.5rem);
  --font-size-h3: clamp(1.25rem, 2vw, 1.5rem);
  --font-size-body: clamp(1rem, 1.2vw, 1.175rem);
  --font-size-body-lg: clamp(1.1rem, 1.4vw, 1.3rem);
  --font-size-small: 0.875rem;
  --font-size-xs: 0.75rem;
  --line-height-body: 1.75;
  --letter-spacing-tight: -0.025em;

  /* Layout */
  --max-width-text: 720px;
  --max-width-wide: 1100px;
  --max-width-full: 1280px;
  --max-width-letter: 820px;
  --section-padding-y: clamp(3.5rem, 6vw, 5.5rem);
  --section-padding-x: 1.5rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 50px -12px rgba(0,0,0,0.15);
  --shadow-screenshot: 0 25px 60px -15px rgba(0,0,0,0.2);

  /* Borders */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s ease;
}