/* CAREER COPILOT - PORTFOLIO STYLESHEET v1.1 - Last Updated: 2026-03-24 */
/* See CHANGELOG.md for version history. */

/* ============================================================
   CUSTOM PROPERTIES
   ============================================================ */
:root {
  --color-bg:         #0d0d0d;
  --color-bg-raised:  #141414;
  --color-bg-card:    #181818;
  --color-border:     #2a2a2a;
  --color-border-mid: #333333;
  --color-text:       #e8e8e8;
  --color-text-muted: #888888;
  --color-text-dim:   #555555;
  --color-accent:     #f5a623;
  --color-accent-dim: rgba(245, 166, 35, 0.12);
  --color-accent-mid: rgba(245, 166, 35, 0.25);

  --font-family:      'Inter', system-ui, -apple-system, sans-serif;

  --space-xs:   0.25rem;
  --space-sm:   0.5rem;
  --space-md:   1rem;
  --space-lg:   1.5rem;
  --space-xl:   2rem;
  --space-2xl:  3rem;
  --space-3xl:  4rem;
  --space-4xl:  6rem;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;
  --radius-full: 9999px;

  --transition-fast:   0.15s ease;
  --transition-base:   0.25s ease;
  --transition-slow:   0.4s ease;

  --max-width: 1100px;
  --nav-height: 64px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

/* ============================================================
   FADE-IN ANIMATIONS
   ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-section {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.fade-in-section.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger hero children */
.hero-text .fade-in:nth-child(1) { transition-delay: 0.05s; }
.hero-text .fade-in:nth-child(2) { transition-delay: 0.1s; }
.hero-text .fade-in:nth-child(3) { transition-delay: 0.15s; }
.hero-text .fade-in:nth-child(4) { transition-delay: 0.2s; }
.hero-text .fade-in:nth-child(5) { transition-delay: 0.25s; }
.hero-photo.fade-in               { transition-delay: 0.1s; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(13, 13, 13, 0);
  border-bottom: 1px solid transparent;
  transition: background var(--transition-base), border-color var(--transition-base);
}

.nav.scrolled {
  background: rgba(13, 13, 13, 0.92);
  border-bottom-color: var(--color-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.nav-logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-accent);
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  gap: var(--space-xl);
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text);
}

.nav-link.active::after {
  transform: scaleX(1);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), opacity var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: #0d0d0d;
  border: 1px solid var(--color-accent);
}

.btn-primary:hover {
  opacity: 0.88;
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border-mid);
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ============================================================
   SECTION TITLE
   ============================================================ */
.section-title {
  font-size: clamp(1.4rem, 3vw, 1.75rem);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2xl);
  letter-spacing: -0.02em;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  padding-bottom: var(--space-4xl);
}

.hero-inner {
  display: flex;
  flex-direction: column-reverse;
  gap: var(--space-2xl);
  align-items: center;
}

.hero-photo {
  flex-shrink: 0;
}

.avatar {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-border-mid);
  background: var(--color-bg-card);
}

/* Fallback when no avatar image */
.avatar[src="avatar.png"]:not([complete]) {
  background: var(--color-bg-card);
}

.hero-text {
  flex: 1;
  text-align: center;
}

.hero-eyebrow {
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.hero-name {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.hero-subtitle {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: var(--color-text-muted);
  font-weight: 400;
  margin-bottom: var(--space-xl);
  letter-spacing: 0.02em;
}

.hero-bio {
  font-size: clamp(1rem, 1.8vw, 1.1rem);
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 560px;
  margin: 0 auto var(--space-2xl);
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
}

@media (min-width: 768px) {
  .hero-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3xl);
  }

  .hero-text {
    text-align: left;
  }

  .hero-bio {
    margin-left: 0;
  }

  .hero-ctas {
    justify-content: flex-start;
  }

  .avatar {
    width: 160px;
    height: 160px;
  }
}

/* ============================================================
   IMPACT BAR
   ============================================================ */
.impact-bar {
  background: var(--color-bg-raised);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.impact-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.impact-scroll::-webkit-scrollbar {
  display: none;
}

.impact-inner {
  display: flex;
  align-items: center;
  padding: var(--space-lg) var(--space-lg);
  min-width: max-content;
  gap: 0;
  max-width: var(--max-width);
  margin: 0 auto;
}

.metric-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-md) var(--space-xl);
  gap: 2px;
  min-width: 160px;
}

.metric-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.metric-label {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  font-weight: 400;
  text-align: center;
  line-height: 1.3;
}

.metric-sep {
  width: 1px;
  height: 36px;
  background: var(--color-border-mid);
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .impact-inner {
    min-width: unset;
    justify-content: space-between;
  }
}

/* ============================================================
   PUBLISHED WORK
   ============================================================ */
.published {
  padding: var(--space-4xl) 0;
}

.publications-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.publication-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-base), background var(--transition-base);
}

.publication-card:hover {
  border-color: var(--color-accent);
  background: var(--color-bg-raised);
}

.pub-outlet {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
}

.pub-title {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.5;
  flex: 1;
}

.pub-link {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: var(--space-sm);
  transition: color var(--transition-fast);
}

.publication-card:hover .pub-link {
  color: var(--color-accent);
}

@media (min-width: 768px) {
  .publications-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ============================================================
   CASE STUDIES
   ============================================================ */
.case-studies {
  padding: var(--space-4xl) 0;
}

.cs-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.cs-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-card);
  overflow: hidden;
  transition: border-color var(--transition-base);
}

.cs-card:hover {
  border-color: var(--color-border-mid);
}

/* Expanded state: amber left accent */
.cs-card.expanded {
  border-color: var(--color-border-mid);
  border-left: 3px solid var(--color-accent);
}

.cs-header {
  width: 100%;
  text-align: left;
  padding: var(--space-xl);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-lg);
  transition: background var(--transition-fast);
}

.cs-header:hover {
  background: var(--color-bg-raised);
}

.cs-header-main {
  flex: 1;
  min-width: 0;
}

.cs-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.cs-tag {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  background: var(--color-accent-dim);
  border: 1px solid var(--color-accent-mid);
  border-radius: var(--radius-full);
  padding: 2px 10px;
}

.cs-title {
  font-size: clamp(1.1rem, 2.5vw, 1.3rem);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.cs-oneliner {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.cs-toggle {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background: var(--color-bg-raised);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  margin-top: 4px;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.cs-header:hover .cs-toggle {
  border-color: var(--color-border-mid);
  color: var(--color-text);
}

.toggle-icon {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-base);
}

.cs-card.expanded .toggle-icon {
  transform: rotate(180deg);
}

.cs-card.expanded .cs-toggle {
  background: var(--color-accent-dim);
  border-color: var(--color-accent-mid);
  color: var(--color-accent);
}

.cs-body {
  overflow: hidden;
}

.cs-body[hidden] {
  display: none;
}

.cs-content {
  padding: 0 var(--space-xl) var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.cs-section {
  margin-top: var(--space-xl);
}

.cs-section-title {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.cs-section p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}

.cs-phase-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-dim);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.cs-list-items {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.cs-list-items li {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  padding-left: var(--space-lg);
  position: relative;
}

.cs-list-items li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 400;
}

.cs-outcome {
  margin-top: var(--space-xl);
}

.outcome-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.outcome-chip {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text);
  background: var(--color-bg-raised);
  border: 1px solid var(--color-border-mid);
  border-radius: var(--radius-full);
  padding: 4px 14px;
}

.cs-skills {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: baseline;
}

.cs-skill-label {
  font-weight: 600;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.cs-published-note {
  margin-top: var(--space-xl);
}

.cs-article-link {
  font-size: 0.875rem;
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity var(--transition-fast);
}

.cs-article-link:hover {
  opacity: 0.8;
}

/* ============================================================
   HOW I WORK
   ============================================================ */
.principles {
  padding: var(--space-4xl) 0;
  background: var(--color-bg-raised);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.principles-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.principle-card {
  padding: var(--space-xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-base);
}

.principle-card:hover {
  border-color: var(--color-border-mid);
}

.principle-num {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
  font-feature-settings: 'tnum';
}

.principle-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
  line-height: 1.35;
}

.principle-body {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

@media (min-width: 768px) {
  .principles-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }
}

@media (min-width: 1024px) {
  .principles-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

/* ============================================================
   WRITING
   ============================================================ */
.writing {
  padding: var(--space-4xl) 0;
}

.writing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.writing-card {
  padding: var(--space-xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.writing-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.writing-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  line-height: 1.35;
}

.writing-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

.writing-pub-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.writing-pub-list li {
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.writing-pub-list li:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.writing-pub-list a {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  transition: color var(--transition-fast);
}

.writing-pub-list a:hover {
  color: var(--color-accent);
}

.writing-footer {
  text-align: center;
}

.all-writing-link {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border-mid);
  padding-bottom: 2px;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.all-writing-link:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

@media (min-width: 768px) {
  .writing-grid {
    grid-template-columns: 1fr 1fr;
  }

  .writing-card--featured {
    display: flex;
    flex-direction: column;
  }

  .writing-card--featured .btn {
    align-self: flex-start;
    margin-top: auto;
  }
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  padding: var(--space-4xl) 0;
  background: var(--color-bg-raised);
  border-top: 1px solid var(--color-border);
}

.contact-inner {
  max-width: 600px;
}

.contact-heading {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
}

.contact-sub {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-2xl);
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border);
}

.footer-text {
  font-size: 0.82rem;
  color: var(--color-text-dim);
  text-align: center;
}

/* ============================================================
   PRINT
   ============================================================ */
@media print {
  .nav,
  .hero-ctas,
  .contact-links,
  .cs-toggle,
  .btn,
  .writing-footer,
  .impact-bar {
    display: none !important;
  }

  body {
    background: white;
    color: #111;
  }

  .cs-body[hidden] {
    display: block !important;
  }

  .cs-card,
  .publication-card,
  .principle-card,
  .writing-card {
    border: 1px solid #ccc;
    break-inside: avoid;
  }

  .hero {
    min-height: unset;
    padding: 2rem 0;
  }

  .contact,
  .principles,
  .writing,
  .published,
  .case-studies {
    padding: 2rem 0;
  }

  a[href]::after {
    content: ' (' attr(href) ')';
    font-size: 0.75rem;
    color: #555;
  }
}