/* ============================================
   JSR Balcony Safety Nets — Base Styles
   Exact Reference Match
   ============================================ */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-regular);
  line-height: var(--lh-normal);
  color: var(--color-dark);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color 0.2s ease; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; font-size: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; border: none; outline: none; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  color: var(--color-primary);
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

p { margin-bottom: var(--space-4); color: var(--color-gray-500); line-height: var(--lh-normal); }
p:last-child { margin-bottom: 0; }
strong { font-weight: var(--fw-semibold); }

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section { padding: var(--section-padding) 0; position: relative; }
.section-gray { background-color: var(--color-off-white); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  font-weight: var(--fw-bold);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  white-space: nowrap;
  cursor: pointer;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border: 2px solid var(--color-primary);
}

.btn-primary:hover { background: var(--color-primary-dark); transform: translateY(-2px); }

.btn svg, .btn i { font-size: 1.1em; }

/* Selection & Scrollbar */
::selection { background: var(--color-primary); color: #fff; }
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-light-gray); }
::-webkit-scrollbar-thumb { background: var(--color-primary); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-primary-dark); }

.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px;
  padding: 0; overflow: hidden; clip: rect(0,0,0,0); border: 0;
}