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

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

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

button {
  font-family: inherit;
  cursor: pointer;
}

ul,
ol {
  list-style: none;
}

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

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
  max-width: 62.5rem;
  margin-inline: auto;
  width: 100%;
}

.section-title {
  font-size: var(--fs-h2);
  color: var(--color-heading);
  margin-bottom: var(--space-md);
}

.section-title.is-hero {
  font-size: var(--fs-h1);
  color: var(--color-white);
}

.section-intro {
  font-size: var(--fs-l);
  line-height: var(--lh-relaxed);
  opacity: 0.9;
  max-width: 50rem;
  margin-inline: auto;
  margin-bottom: 0;
  color: var(--color-text);
}

.section-header.is-dark .section-title,
.section-header.is-dark .section-intro {
  color: var(--color-white);
}

.p-xs,
p.p-xs {
  font-size: var(--fs-xs);
  line-height: var(--lh-normal);
}
.p-s,
p.p-s {
  font-size: var(--fs-s);
  line-height: var(--lh-normal);
}
.p-sm,
p.p-sm {
  font-size: var(--fs-sm);
  line-height: var(--lh-normal);
}
.p-m,
p.p-m {
  font-size: var(--fs-m);
  line-height: var(--lh-normal);
}
.p-ml,
p.p-ml {
  font-size: var(--fs-ml);
  line-height: var(--lh-normal);
}
.p-l,
p.p-l {
  font-size: var(--fs-l);
  line-height: var(--lh-relaxed);
}
.p-xl,
p.p-xl {
  font-size: var(--fs-xl);
  line-height: var(--lh-relaxed);
}
.p-2xl,
p.p-2xl {
  font-size: var(--fs-2xl);
  line-height: var(--lh-relaxed);
}

.text-center {
  text-align: center;
}
.text-left {
  text-align: left;
}
.text-right {
  text-align: right;
}

.font-light {
  font-weight: 300;
}
.font-normal {
  font-weight: 400;
}
.font-medium {
  font-weight: 500;
}
.font-semibold {
  font-weight: 600;
}
.font-bold {
  font-weight: 700;
}

.italic {
  font-style: italic;
}
.uppercase {
  text-transform: uppercase;
}
.lowercase {
  text-transform: lowercase;
}
.capitalize {
  text-transform: capitalize;
}

.lh-tight {
  line-height: var(--lh-tight);
}
.lh-normal {
  line-height: var(--lh-normal);
}
.lh-relaxed {
  line-height: var(--lh-relaxed);
}

.tracking-tight {
  letter-spacing: -0.02em;
}
.tracking-normal {
  letter-spacing: 0;
}
.tracking-wide {
  letter-spacing: 0.05em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: var(--fs-m);
  font-weight: 600;
  line-height: 1.2;
  border-radius: var(--btn-radius);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  gap: 0.5rem;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border: none;
}

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

.btn-primary:active {
  background-color: var(--color-primary-active);
  transform: translateY(0);
}

.btn-primary:disabled {
  background-color: var(--color-border);
  color: var(--color-text-light);
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-secondary-hover-bg);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:active {
  background-color: var(--color-secondary-active-bg);
  color: var(--color-primary-active);
  border-color: var(--color-primary-active);
}

.btn-secondary:disabled {
  background-color: var(--color-white);
  color: var(--color-text-light);
  border-color: var(--color-border);
  cursor: not-allowed;
}

.btn-outline {
  background-color: transparent;
  border-color: transparent;
  color: var(--color-primary);
  text-decoration: none;
  padding: 0.75rem 0.5rem;
}

.btn-outline:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

.btn-outline:active {
  color: var(--color-primary-active);
  text-decoration: underline;
}

.btn-outline:disabled {
  color: var(--color-text-light);
  text-decoration: none;
  cursor: not-allowed;
}

.std-page-content {
  padding: var(--section-padding) 0;
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.6;
  color: var(--color-text);
}

.std-page-content h2,
.std-page-content h3 {
  margin-top: 1.5em;
  margin-bottom: 0.5em;
  font-weight: 700;
  color: var(--color-heading);
}

.std-page-content ul {
  list-style: disc;
  padding-left: 20px;
  margin-bottom: 1.5em;
}

.std-page-content li {
  margin-bottom: 0.5em;
}

.std-page-content a {
  text-decoration: underline;
  color: var(--color-primary);
}