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

html {
  scroll-behavior: smooth;
}

/* ── Design Tokens ── */
:root {
  --bg:           hsl(210, 30%, 97%);
  --fg:           hsl(220, 45%, 12%);
  --primary:      hsl(179, 80%, 28%);
  --secondary:    hsl(37, 90%, 44%);
  --card:         #ffffff;
  --border:       hsl(214, 20%, 88%);
  --muted:        hsl(214, 30%, 93%);
  --muted-fg:     hsl(215, 18%, 46%);

  --radius-sm:    8px;
  --radius-md:    12px;
  --radius-lg:    16px;
  --radius-xl:    20px;

  --font-sans:    'Plus Jakarta Sans', system-ui, sans-serif;
  --font-display: 'Outfit', system-ui, sans-serif;
  --font-mono:    'Space Mono', 'Courier New', monospace;

  --shadow-sm:    0 1px 3px rgba(0, 0, 0, .07), 0 1px 2px rgba(0, 0, 0, .05);
  --shadow-md:    0 4px 12px rgba(0, 0, 0, .09);

  --transition:   all .25s ease;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--fg);
  overflow-x: hidden;
  line-height: 1.6;
}

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

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

address {
  font-style: normal;
}

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

/* ── Form elements ── */
input,
textarea {
  font-family: var(--font-sans);
  font-size: .9rem;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .6rem .9rem;
  background: var(--bg);
  color: var(--fg);
  outline: none;
  transition: var(--transition);
}

input:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(13, 138, 134, .1);
}

textarea {
  resize: none;
}

label {
  display: block;
  font-family: var(--font-mono);
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--muted-fg);
  margin-bottom: .4rem;
}

/* ── Typography ── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  letter-spacing: -.02em;
  line-height: 1.1;
}