:root {
  --font-main: 'Trebuchet MS', Helvetica, sans-serif;
  --color-brand: #1d4ed8;
  --color-cta: #f97316;
  --text-dark: #111827;
  --text-body: #374151;
  --text-muted: #6b7280;
  --border-light: #e5e7eb;
  --bg-white: #ffffff;
  --bg-gray: #f9fafb;
}

* {
  font-family: var(--font-main);
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-body);
  background: var(--bg-white);
  font-weight: 400;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-dark);
  font-weight: 700;
  line-height: 1.6;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.375rem; }
h4 { font-size: 1.125rem; }

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

a:hover {
  color: #1e40af;
}

a:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 2px;
}

img, video, iframe, embed, object {
  max-width: 100%;
  height: auto;
}

table {
  max-width: 100%;
  width: 100%;
  border-collapse: collapse;
}

.table-responsive,
.table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.btn {
  display: inline-block;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 700;
  border-radius: 6px;
  text-decoration: none;
  transition: background-color 0.2s, transform 0.15s;
  cursor: pointer;
  border: none;
  text-align: center;
}

.btn-primary {
  background: var(--color-cta);
  color: #fff;
}

.btn-primary:hover {
  background: #ea580c;
  color: #fff;
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: #fff;
  border: 2px solid #fff;
}

.btn-secondary:hover {
  background: #fff;
  color: var(--color-brand);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

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

::selection {
  background: var(--color-brand);
  color: #fff;
}

@media (max-width: 768px) {
  body {
    overflow-x: hidden;
  }
  h1 { font-size: 1.875rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }
  .grid, [class*='grid'] {
    grid-template-columns: 1fr !important;
  }
  .container {
    padding: 0 16px;
  }
}

@media (max-width: 480px) {
  h1 { font-size: 1.625rem; }
  h2 { font-size: 1.375rem; }
  .btn {
    padding: 10px 20px;
    font-size: 14px;
  }
}