// Breakpoints
$dt-sm:  640px;
$dt-md:  768px;
$dt-lg:  1024px;

// Max content width (max-w-6xl)
$dt-max-w: 1152px;

// Border radius
$dt-radius-sm:     0.25rem;
$dt-radius-md:     0.35rem;
$dt-radius-lg:     0.45rem;
$dt-radius-xl:     0.7rem;
$dt-radius-2xl:    0.9rem;
$dt-radius-full:   9999px;
$dt-radius-leaf:   9999px 9999px 9999px 0;
$dt-radius-leaf-r: 9999px 9999px 0 9999px;

// Shadows
$dt-shadow-soft:     0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.06);
$dt-shadow-elevated: 0 4px 24px rgba(0,0,0,0.10);

@mixin dt-bp-sm { @media (min-width: $dt-sm) { @content; } }
@mixin dt-bp-md { @media (min-width: $dt-md) { @content; } }
@mixin dt-bp-lg { @media (min-width: $dt-lg) { @content; } }

@mixin dt-icon($path, $size: 0.9rem) {
  &::before {
    content: "";
    display: inline-block;
    width: $size;
    height: $size;
    -webkit-mask: url($path) no-repeat center / contain;
    mask: url($path) no-repeat center / contain;
    background-color: currentColor;
    flex-shrink: 0;
    vertical-align: middle;
  }
}

@font-face {
  font-family: 'Gill Sans MT';
  src: url('../fonts/GillSansMT.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

html {
  font-size: 110%;
}

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

// Design tokens (source: index.css :root)
:root {
  --dt-red:        #e30613;
  --dt-dark:       #222221;
  --dt-grey:       #676c6e;
  --dt-bg:         #f2f5f8;
  --dt-surface:    #ffffff;
  --dt-secondary:  #f2f4f5;
  --dt-muted:      #eef0f2;
  --dt-blue-light: #dbe3eb;
  --dt-border:     #dfe3e7;
  --dt-disabled-bg:    #bbbbbb;
  --dt-disabled-color: #999999;
  --dt-font: 'Gill Sans MT', 'Gill Sans', Calibri, Inter, sans-serif;
}

body {
  font-family: var(--dt-font);
  background-color: var(--dt-bg);
  color: var(--dt-dark);
  font-size: 1rem;
  line-height: 1.4;
  margin: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--dt-font);
  line-height: 1.2;
  letter-spacing: 0.01em;
  margin: 0;
}

p {
  line-height: 1.4;
  margin: 0;
}

a {
  color: var(--dt-red);
  text-decoration: none;

  &:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
  }
}

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

ul,
ol {
  margin: 0;
  padding: 0;
}

// Primary button: red leaf-shape
%dt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.6rem 1.15rem;
  border-radius: $dt-radius-leaf;
  background-color: var(--dt-red);
  color: #ffffff !important;
  font-family: var(--dt-font);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.15s;

  &:hover,
  &:visited {
    opacity: 0.9;
    color: #ffffff;
    text-decoration: none;
  }

  &:disabled,
  &[disabled] {
    background-color: var(--dt-disabled-bg);
    color: #ffffff;
    opacity: 1;
    pointer-events: none;
    cursor: not-allowed;
  }
}

// Card container: white, rounded, shadow
%dt-card {
  background-color: var(--dt-surface);
  border: 1px solid var(--dt-border);
  border-radius: $dt-radius-2xl;
  box-shadow: $dt-shadow-soft;
  overflow: hidden;
}

// Secondary / outline button
%dt-outline-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.9rem;
  border-radius: $dt-radius-leaf;
  border: 1px solid var(--dt-border);
  background-color: var(--dt-surface);
  color: var(--dt-dark);
  font-family: var(--dt-font);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.15s;

  &:hover {
    background-color: var(--dt-secondary);
    text-decoration: none;
    color: var(--dt-dark);
  }

  &:visited {
    color: var(--dt-dark);
  }
}