/* === Custom Properties === */
:root {
  --color-text: #1a1a1a;
  --color-text-light: #555;
  --color-bg: #fafafa;
  --color-accent: #2a7a8a;
  --color-accent-hover: #1d5961;
  --color-border: #e0e0e0;
  --color-card-bg: #fff;
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --max-width: 700px;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
}

/* === Reset & Base === */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 100%;
}

body {
  font-family: var(--font-stack);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* === Layout === */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
}

/* === Navigation === */
.site-nav {
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) 0;
}

.site-nav .container {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-lg);
  padding-top: 0;
  padding-bottom: 0;
}

.site-nav .site-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
}

.site-nav .nav-links {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
}

.site-nav .nav-links a {
  color: var(--color-text-light);
  text-decoration: none;
  font-size: 0.95rem;
}

.site-nav .nav-links a:hover,
.site-nav .nav-links a.active {
  color: var(--color-accent);
}

/* === Typography === */
h1 {
  font-size: 2rem;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h2 {
  font-size: 1.4rem;
  line-height: 1.3;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: 1.1rem;
  line-height: 1.4;
  margin-bottom: var(--spacing-sm);
}

p {
  margin-bottom: var(--spacing-md);
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

/* === Home Page === */
.intro {
  margin-top: var(--spacing-lg);
  display: flex;
  gap: var(--spacing-lg);
  align-items: flex-start;
}

.profile-photo {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.intro .subtitle {
  font-size: 1.15rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
}

@media (max-width: 500px) {
  .intro {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

.nav-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.nav-card {
  display: block;
  padding: var(--spacing-lg);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  text-decoration: none;
  color: var(--color-text);
  transition: border-color 0.2s;
}

.nav-card:hover {
  border-color: var(--color-accent);
  text-decoration: none;
}

.nav-card h2 {
  margin-top: 0;
  margin-bottom: var(--spacing-sm);
  font-size: 1.15rem;
  color: var(--color-accent);
}

.nav-card p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 0;
}

.external-links {
  margin-top: var(--spacing-xl);
  display: flex;
  gap: var(--spacing-md);
}

/* === Portfolio Page === */
.project {
  padding: var(--spacing-lg) 0;
  border-bottom: 1px solid var(--color-border);
}

.project:last-child {
  border-bottom: none;
}

.project-image {
  display: block;
  margin-bottom: var(--spacing-md);
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: border-color 0.2s;
}

.project-image:hover {
  border-color: var(--color-accent);
}

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

.project h3 {
  margin-bottom: var(--spacing-sm);
}

.project h3 a {
  color: var(--color-text);
}

.project h3 a:hover {
  color: var(--color-accent);
}

.project p {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.tag {
  font-size: 0.8rem;
  padding: 0.15rem 0.6rem;
  background: var(--color-border);
  border-radius: 3px;
  color: var(--color-text-light);
}

/* === Interviews Page === */
.interview {
  padding: var(--spacing-lg) 0;
  border-bottom: 1px solid var(--color-border);
}

.interview:last-child {
  border-bottom: none;
}

.interview-embed {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  margin-bottom: var(--spacing-md);
  border-radius: 6px;
  overflow: hidden;
  background: var(--color-border);
}

.interview-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.interview-image {
  display: block;
  margin-bottom: var(--spacing-md);
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: border-color 0.2s;
}

.interview-image:hover {
  border-color: var(--color-accent);
}

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

.interview-info h3 {
  margin-bottom: var(--spacing-sm);
}

.interview-info h3 a {
  color: var(--color-text);
}

.interview-info h3 a:hover {
  color: var(--color-accent);
}

.interview-info .meta {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.interview-info p {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

/* === Resume Page === */
.resume-header {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.resume-header .subtitle {
  color: var(--color-text-light);
}

.resume-section {
  margin-bottom: var(--spacing-xl);
}

.resume-section h2 {
  margin-top: 0;
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border);
}

.resume-entry {
  margin-bottom: var(--spacing-lg);
}

.resume-entry h3 {
  margin-bottom: 0;
}

.resume-entry .meta {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.resume-entry ul {
  padding-left: 1.2rem;
  color: var(--color-text-light);
  font-size: 0.95rem;
}

.resume-entry ul li {
  margin-bottom: 0.3rem;
}

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  list-style: none;
}

.skills-list li {
  font-size: 0.9rem;
  padding: 0.2rem 0.75rem;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 3px;
}

/* === Footer === */
.site-footer {
  margin-top: var(--spacing-xl);
  padding: var(--spacing-md) 0;
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-text-light);
  text-align: center;
}

/* === Responsive === */
@media (max-width: 500px) {
  .nav-cards {
    grid-template-columns: 1fr;
  }

  .site-nav .container {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}

/* === Print Styles (Resume) === */
@media print {
  body {
    background: #fff;
    color: #000;
    font-size: 11pt;
    line-height: 1.5;
  }

  .site-nav,
  .site-footer {
    display: none;
  }

  .container {
    max-width: 100%;
    padding: 0;
  }

  a {
    color: #000;
    text-decoration: none;
  }

  .resume-section h2 {
    border-bottom-color: #ccc;
  }

  h1 {
    font-size: 18pt;
  }

  h2 {
    font-size: 13pt;
  }

  h3 {
    font-size: 11pt;
  }
}