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

:root {
  --color-bg: #faf8f6;
  --color-surface: #ffffff;
  --color-text: #1c1917;
  --color-text-muted: #57534e;
  --color-border: #e7e5e4;
  --color-brand: #c4694a;
  --color-brand-hover: #a85538;
  --color-brand-soft: #faf0ec;
  --color-brand-border: #ecd9d0;
  --color-accent: #44403c;
  --color-accent-hover: #292524;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --max-width: 960px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --radius: 12px;
  --radius-sm: 8px;
}

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

.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;
}

/* Header */

.site-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-md);
  max-width: calc(var(--max-width) + var(--space-lg) * 2);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md) 0;
  width: 100%;
}

.site-name {
  margin: 0;
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.site-name-accent {
  color: var(--color-brand);
}

.tagline {
  margin: 0.25rem 0 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

.about-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  flex-shrink: 0;
  margin-top: 0.125rem;
  padding: 0.5rem 0.75rem;
  font-family: inherit;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}

.about-trigger:hover {
  color: var(--color-brand);
  border-color: var(--color-brand-border);
  background-color: var(--color-brand-soft);
}

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

.about-label {
  display: none;
}

@media (min-width: 480px) {
  .about-label {
    display: inline;
  }
}

/* Main */

main {
  flex: 1;
  max-width: calc(var(--max-width) + var(--space-lg) * 2);
  margin: 0 auto;
  padding: 0 var(--space-md) var(--space-2xl);
  width: 100%;
}

/* Hero */

.hero {
  padding: var(--space-xl) 0 var(--space-lg);
  border-left: 3px solid var(--color-brand);
  padding-left: var(--space-md);
  margin-left: calc(-1 * var(--space-md) - 3px);
}

.hero-headline {
  margin: 0 0 var(--space-md);
  font-size: clamp(1.5rem, 4vw, 1.875rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.25;
  max-width: 36ch;
}

.hero-intro {
  margin: 0;
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  max-width: 42ch;
  line-height: 1.65;
}

/* Projects */

.projects {
  padding-top: var(--space-sm);
}

.project-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-sm);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .project-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.project-card {
  display: flex;
  flex-direction: column;
  padding: 0.875rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
}

.project-card-top {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.project-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  color: var(--color-brand);
  background-color: var(--color-brand-soft);
  border: 1px solid var(--color-brand-border);
  border-radius: 6px;
}

.project-icon svg {
  width: 1rem;
  height: 1rem;
}

.project-title {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.project-description {
  margin: 0 0 0.625rem;
  flex: 1;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.45;
}

.project-link {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  padding: 0.3125rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-surface);
  text-decoration: none;
  background-color: var(--color-brand);
  border-radius: var(--radius-sm);
  transition: background-color 0.15s ease;
}

.project-link:hover {
  background-color: var(--color-brand-hover);
}

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

/* Footer */

.site-footer {
  max-width: calc(var(--max-width) + var(--space-lg) * 2);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md) var(--space-xl);
  width: 100%;
}

.site-footer p {
  margin: 0;
  font-size: 0.8125rem;
  color: #a8a29e;
  text-align: center;
}

/* Modal */

.about-modal {
  position: relative;
  width: calc(100% - 2rem);
  max-width: 28rem;
  margin: auto;
  padding: var(--space-lg) var(--space-md) var(--space-md);
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: 0 8px 30px rgba(28, 25, 23, 0.08);
}

.about-modal::backdrop {
  background-color: rgba(28, 25, 23, 0.25);
}

.modal-close {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: color 0.15s ease, background-color 0.15s ease;
}

.modal-close:hover {
  color: var(--color-text);
  background-color: var(--color-bg);
}

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

.modal-title {
  margin: 0 0 var(--space-sm);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-brand);
}

.modal-text {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}