/* ============================================
   Reset & Base
   ============================================ */

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

:root {
  --color-bg: #ffffff;
  --color-text: #111111;
  --color-text-secondary: #555555;
  --color-accent: #E8A817;
  --color-border: #e0e0e0;
  --color-placeholder: #f2f2f2;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Fira Mono", "Roboto Mono", monospace;
  --max-width: 860px;
}

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

body {
  font-family: var(--font-sans);
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Layout
   ============================================ */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

/* ============================================
   Header
   ============================================ */

.site-header {
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(2rem, 5vw, 4rem);
  border-bottom: 1px solid var(--color-border);
}

.site-name {
  font-size: clamp(2rem, 1.5rem + 2.5vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.site-subtitle {
  margin-top: 0.5rem;
  font-size: clamp(1rem, 0.9rem + 0.5vw, 1.25rem);
  color: var(--color-text-secondary);
  font-weight: 400;
}

.site-nav {
  margin-top: 1.5rem;
  display: flex;
  gap: 1.5rem;
}

.site-nav a {
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.9375rem;
  border-bottom: 1.5px solid transparent;
}

.site-nav a:hover {
  border-bottom-color: var(--color-accent);
}

/* ============================================
   Projects
   ============================================ */

.project {
  padding: clamp(3rem, 6vw, 5rem) 0;
  border-bottom: 1px solid var(--color-border);
}

.project-number {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.project-title {
  font-size: clamp(1.5rem, 1.25rem + 1.25vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.project-image-placeholder {
  margin-top: 1.75rem;
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: var(--color-placeholder);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-image-placeholder span {
  font-size: 0.875rem;
  color: #aaaaaa;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.project-image {
  margin-top: 1.75rem;
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: auto;
  display: block;
}

.project-description {
  margin-top: 1.5rem;
  color: var(--color-text-secondary);
}

.project-tags {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
}

.project-tags li {
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  padding: 0.25rem 0.625rem;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  color: var(--color-text-secondary);
}

.project-links {
  margin-top: 1.25rem;
  display: flex;
  gap: 1.25rem;
}

.project-links a {
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  border-bottom: 1.5px solid var(--color-accent);
  padding-bottom: 1px;
}

.project-links a:hover {
  color: var(--color-accent);
}

/* ============================================
   Footer
   ============================================ */

.site-footer {
  padding: clamp(2rem, 4vw, 3rem) 0;
}

.site-footer p {
  font-size: 0.8125rem;
  color: #aaaaaa;
}

/* ============================================
   Focus styles
   ============================================ */

a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}