@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Plus+Jakarta+Sans:wght@400;600;700;800&display=swap');

/* ─── Design tokens ─────────────────────────────────────────── */
:root {
  /* Colors */
  --color-primary:         #00D4C8;
  --color-primary-bright:  #00E8DC;
  --color-primary-mid:     #00AFA4;
  --color-primary-dark:    #008A80;
  --color-primary-glow:    rgba(0, 212, 200, 0.15);

  --color-bg:              #181919;
  --color-bg-surface:      #1E2020;
  --color-bg-subtle:       #242626;
  --color-bg-hover:        #2A2C2C;

  --color-text-primary:    #F2F5F5;
  --color-text-secondary:  #B8C4C4;
  --color-text-muted:      #7A9090;

  --color-border:          #2A2E2E;
  --color-border-active:   #00D4C8;

  --color-whatsapp:        #25D366;
  --color-whatsapp-dark:   #1DA851;

  --color-urgent:          #F59E0B;

  /* Gradients */
  --gradient-primary:  linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-bright) 100%);
  --gradient-diagonal: linear-gradient(135deg, #009B90 0%, #00D4C8 45%, #00E8DC 55%, #009B90 100%);

  /* Typography */
  --font-display: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;

  --text-xs:   0.75rem;
  --text-sm:   0.8125rem;
  --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:  3.5rem;

  --leading-tight:   1.25;
  --leading-snug:    1.375;
  --leading-normal:  1.5;
  --leading-relaxed: 1.625;

  /* Spacing (base 8px) */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-7:  1.75rem;
  --space-8:  2rem;
  --space-9:  2.25rem;
  --space-10: 2.5rem;
  --space-11: 2.75rem;
  --space-12: 3rem;
  --space-14: 3.5rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Radii */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:      0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md:      0 4px 12px rgba(0, 0, 0, 0.5);
  --shadow-lg:      0 8px 24px rgba(0, 0, 0, 0.6);
  --shadow-primary: 0 0 20px rgba(0, 212, 200, 0.2);

  /* Transitions */
  --ease-fast:   150ms ease;
  --ease-normal: 200ms ease;
  --ease-slow:   300ms ease;

  /* Z-index */
  --z-base:    1;
  --z-above:   10;
  --z-modal:   50;
  --z-overlay: 51;
  --z-header:  100;
}

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

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

body {
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font: inherit;
}

input, textarea, select {
  font: inherit;
}

/* ─── Base typography ────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: var(--leading-tight);
  color: var(--color-text-primary);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

p {
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

strong { font-weight: 600; color: var(--color-text-primary); }

.text-accent { color: var(--color-primary); }
.text-muted  { color: var(--color-text-muted); }

/* ─── Anchor offset for sticky header ───────────────────────── */
[id] { scroll-margin-top: 88px; }

/* ─── Selection ─────────────────────────────────────────────── */
::selection {
  background-color: rgba(0, 212, 200, 0.25);
  color: var(--color-text-primary);
}

/* ─── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar       { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover { background: var(--color-primary-dark); }