/* ===================================================================
   JJ Ruby — Multi-page Portfolio
   Clean, sophisticated stylesheet. No external dependencies.
   =================================================================== */

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

:root {
  --color-bg: #f9f8f6;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-muted: #5a5a5a;
  --color-accent: #1d4e7a;
  --color-accent-dk: #143a5c;
  --color-accent-lt: #e8f0f8;
  --color-border: #ddd9d3;
  --color-rule: #c9c3bb;
  --color-alt-bg: #f1efec;

  --font-body: "Georgia", "Times New Roman", serif;
  --font-mono: "SFMono-Regular", "Consolas", "Liberation Mono", monospace;

  --max-width: 920px;
  --gap: 2rem;
  --radius: 6px;
  --transition: 0.2s ease;
}

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

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

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

a:hover,
a:focus {
  text-decoration: underline;
}

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

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

/* ---------- Layout ---------- */
.container {
  width: min(var(--max-width), 100% - 2 * var(--gap));
  margin-inline: auto;
}

.section {
  padding-block: 4.5rem;
}

.section+.section {
  border-top: 1px solid var(--color-border);
}

.section-alt {
  background-color: var(--color-alt-bg);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

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

.prose {
  max-width: 680px;
}

/* ---------- Typography ---------- */
h1,
h2,
h3,
h4 {
  font-family: var(--font-body);
  font-weight: normal;
  line-height: 1.25;
  letter-spacing: -0.01em;
  text-align: left;
}

h1 {
  font-size: clamp(1.9rem, 5vw, 2.8rem);
}

h2 {
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  color: var(--color-accent);
  margin-bottom: 1.5rem;
}

h3 {
  font-size: 1.05rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

ul,
ol {
  padding-left: 1.4rem;
  margin-bottom: 1rem;
}

li {
  margin-bottom: 0.35rem;
}

.label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-muted);
  margin-bottom: 0.5rem;
}

.muted {
  color: var(--color-muted);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  cursor: pointer;
}

.btn:hover,
.btn:focus {
  text-decoration: none;
}

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

.btn-primary:hover,
.btn-primary:focus {
  background: var(--color-accent-dk);
  border-color: var(--color-accent-dk);
}

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

.btn-outline:hover,
.btn-outline:focus {
  background: var(--color-accent);
  color: #fff;
}

.link-arrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--color-accent);
  transition: color var(--transition);
}

.link-arrow:hover {
  text-decoration: none;
  color: var(--color-accent-dk);
}

/* ---------- Navigation ---------- */
#site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 3.75rem;
}

.nav-brand {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: var(--color-text);
  font-weight: bold;
}

.nav-brand:hover {
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  transition: color var(--transition);
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
}

.nav-links a:hover,
.nav-links a:focus {
  color: var(--color-accent);
  text-decoration: none;
}

.nav-links a[aria-current="page"] {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--color-text);
  font-size: 1.25rem;
  line-height: 1;
}

.nav-toggle[aria-expanded="true"] .icon-open {
  display: none;
}

.nav-toggle[aria-expanded="false"] .icon-close {
  display: none;
}

/* ---------- Page Header ---------- */
.page-header {
  padding: 4rem 0 3rem;
  border-bottom: 1px solid var(--color-border);
}

.page-title {
  margin-bottom: 0.75rem;
}

.page-subtitle {
  font-size: 1.1rem;
  color: var(--color-muted);
  max-width: 600px;
}

/* ---------- Hero (home) ---------- */
.hero {
  padding-block: 5.5rem 4.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2.5rem;
  align-items: center;
}

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

.hero-photo img {
  width: 200px;
  height: auto;
  border-radius: var(--radius);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.hero-name {
  margin-bottom: 0.5rem;
}

.hero-titles {
  color: var(--color-muted);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}

.hero-titles span {
  display: block;
}

.hero-tagline {
  font-size: 1.15rem;
  max-width: 640px;
  color: var(--color-text);
  border-left: 3px solid var(--color-accent);
  padding-left: 1.25rem;
  margin-bottom: 2.5rem;
  text-align: justify;
}

/* ---------- Figure / Image Placeholders ---------- */
.figure {
  margin: 0;
}

.figure figcaption {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-muted);
  margin-top: 0.6rem;
  line-height: 1.5;
}

.figure-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: var(--color-alt-bg);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius);
  min-height: 220px;
  padding: 2rem;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.figure-placeholder-portrait {
  min-height: 300px;
}

.figure-placeholder-icon {
  width: 48px;
  height: 48px;
  opacity: 0.4;
}

.figure-wide {
  margin-top: 2.5rem;
}

.figure-wide .figure-placeholder {
  min-height: 200px;
}

/* ---------- Media Row ---------- */
.media-row {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: var(--gap);
  align-items: start;
}

.media-row-reverse {
  grid-template-columns: 3fr 2fr;
}

.media-row-reverse .figure {
  order: 2;
}

.media-row-reverse .media-row-text {
  order: 1;
}

/* ---------- Card Grid ---------- */
.card-grid {
  display: grid;
  gap: var(--gap);
}

.card-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.card-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.card h3 {
  color: var(--color-accent);
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.card p {
  font-size: 0.93rem;
  color: var(--color-muted);
}

.card-hover {
  text-decoration: none;
  display: block;
  color: inherit;
}

.card-hover:hover,
.card-hover:focus {
  text-decoration: none;
  border-color: var(--color-accent);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.card-hover:hover h3,
.card-hover:focus h3 {
  color: var(--color-accent-dk);
}

.card-hover .link-arrow {
  display: inline-block;
  margin-top: 0.5rem;
}

.card-icon {
  margin-bottom: 1rem;
}

.card-icon svg {
  width: 32px;
  height: 32px;
  color: var(--color-accent);
}

/* ---------- Callout ---------- */
.callout {
  background: var(--color-accent-lt);
  border-left: 4px solid var(--color-accent);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-bottom: 1.5rem;
}

.callout p {
  color: var(--color-text);
}

/* ---------- Pull Quote ---------- */
.pull-quote {
  max-width: 100%;
  margin-inline: auto;
  padding: 2rem 0;
}

.pull-quote p {
  font-size: clamp(1.15rem, 2.5vw, 1.4rem);
  line-height: 1.6;
  color: var(--color-accent);
  font-style: italic;
}

/* ---------- Detail List (work page) ---------- */
.detail-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.detail-item {
  padding: 1.25rem 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.detail-item h3 {
  color: var(--color-accent);
  font-size: 0.95rem;
  margin-bottom: 0.4rem;
}

.detail-item p {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: 0;
}

.work-org {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  margin-bottom: 1.5rem;
}

/* ---------- Timeline (about page) ---------- */
.timeline {
  position: relative;
  padding-left: 2.5rem;
  margin-top: 1.5rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0.55rem;
  top: 0.3rem;
  bottom: 0.3rem;
  width: 2px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  padding-bottom: 2.5rem;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -2.5rem;
  top: 0.35rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 3px solid var(--color-accent);
  z-index: 1;
}

.timeline-content h3 {
  color: var(--color-accent);
  font-size: 1.05rem;
  margin-bottom: 0.15rem;
}

.timeline-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  margin-bottom: 0.75rem;
  text-align: left;
}

/* ---------- Principle Feature (philosophy page) ---------- */
.principle-feature {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: var(--gap);
  align-items: start;
}

.principle-feature-reverse {
  grid-template-columns: 2fr 3fr;
}

.principle-feature-reverse .principle-feature-text {
  order: 2;
}

.principle-feature-reverse .figure {
  order: 1;
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--gap) * 1.5);
  align-items: start;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.contact-card:hover,
.contact-card:focus {
  text-decoration: none;
  border-color: var(--color-accent);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
}

.contact-card svg {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  color: var(--color-accent);
}

.contact-card strong {
  display: block;
  font-size: 0.95rem;
}

.contact-card span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-muted);
}

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--color-border);
  padding-block: 2rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-muted);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links a {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {

  .media-row,
  .media-row-reverse,
  .card-grid-2,
  .card-grid-3,
  .detail-list,
  .principle-feature,
  .principle-feature-reverse,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .media-row-reverse .figure,
  .media-row-reverse .media-row-text,
  .principle-feature-reverse .principle-feature-text,
  .principle-feature-reverse .figure {
    order: unset;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    gap: 0;
    position: absolute;
    top: 3.75rem;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 0.5rem 0 1rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links li {
    padding: 0;
  }

  .nav-links a {
    display: block;
    padding: 0.7rem var(--gap);
    border-bottom: none;
  }

  .nav-links a[aria-current="page"] {
    border-bottom: none;
    background: var(--color-accent-lt);
  }

  .nav-toggle {
    display: block;
  }

  .hero {
    padding-block: 3.5rem 3rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .hero-photo {
    max-width: 140px;
  }

  .hero-photo img {
    width: 100%;
  }

  .page-header {
    padding: 3rem 0 2rem;
  }

  .section {
    padding-block: 3rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
  }
}