/* ===================================================
   PETER SKILLMAN DESIGN — Portfolio Stylesheet
   Clean, modern, mid-century sensibility
   =================================================== */

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

:root {
  --color-bg: #fafaf8;
  --color-bg-alt: #f0efeb;
  --color-bg-dark: #1a1a1a;
  --color-text: #2c2c2c;
  --color-text-light: #6b6b6b;
  --color-text-inv: #f0efeb;
  --color-accent: #c8553d;
  --color-accent-hover: #a8432f;
  --color-border: #e0ddd5;
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 1320px;
  --nav-height: 72px;
  --transition: 0.3s cubic-bezier(.25,.8,.25,1);
}

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

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

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent-hover); }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 2rem; }

/* --- Typography --- */
h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.6rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.1rem; font-family: var(--font-body); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-light); }

.section-label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(250, 250, 248, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  box-shadow: 0 1px 20px rgba(0,0,0,0.06);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.nav-logo span { color: var(--color-accent); }

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

.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.nav-links a:hover, .nav-links a.active { color: var(--color-text); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  margin: 5px 0;
  transition: var(--transition);
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 720px;
  padding: 6rem 0 4rem;
}

.hero h1 {
  margin-bottom: 1.5rem;
}

.hero h1 em {
  font-style: normal;
  color: var(--color-accent);
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--color-text-light);
  margin-bottom: 2rem;
  max-width: 580px;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  margin-top: 2.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--color-border);
}

.hero-stat-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-top: 0.3rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-ticker {
  margin-top: 3rem;
  overflow: hidden;
  padding: 1rem 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.hero-ticker-inner {
  display: flex;
  gap: 2.5rem;
  animation: ticker 30s linear infinite;
  white-space: nowrap;
}

.hero-ticker-inner span {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
}

.hero-ticker-inner span::before {
  content: '●';
  margin-right: 0.5rem;
  color: var(--color-accent);
  font-size: 0.5rem;
  vertical-align: middle;
}

@keyframes ticker {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 2px solid var(--color-text);
  color: var(--color-text);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition);
}

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

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

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

/* --- Section Spacing --- */
.section {
  padding: 7rem 0;
}

.section-header {
  margin-bottom: 4rem;
}

.section-header h2 {
  margin-top: 0.5rem;
}

.section-intro {
  font-size: 1.1rem;
  color: var(--color-text-light);
  max-width: 640px;
  margin-top: 1rem;
}

/* --- Portfolio Grid (Home page) --- */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 2rem;
}

.portfolio-card {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
}

.portfolio-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}

.portfolio-card-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
}

.portfolio-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(.25,.8,.25,1);
}

.portfolio-card:hover .portfolio-card-image img {
  transform: scale(1.04);
}

.portfolio-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.7) 100%);
  opacity: 0;
  transition: opacity var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
}

.portfolio-card:hover .portfolio-card-overlay { opacity: 1; }

.portfolio-card-overlay span {
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.portfolio-card-body {
  padding: 1.5rem;
}

.portfolio-card-body h3 {
  font-size: 1.15rem;
  margin-bottom: 0.3rem;
}

.portfolio-card-body p {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.portfolio-card-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

/* --- Project Detail Page --- */
.project-hero {
  padding-top: calc(var(--nav-height) + 4rem);
  padding-bottom: 3rem;
}

.project-hero-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.project-hero h1 {
  margin-bottom: 1rem;
}

.project-hero-desc {
  font-size: 1.15rem;
  color: var(--color-text-light);
  max-width: 680px;
  line-height: 1.8;
}

.project-meta {
  display: flex;
  gap: 3rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.project-meta-item label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
  margin-bottom: 0.3rem;
}

.project-meta-item span {
  font-size: 0.95rem;
  font-weight: 500;
}

/* --- Image Gallery --- */
.gallery {
  display: grid;
  gap: 1.5rem;
}

.gallery-full {
  grid-template-columns: 1fr;
}

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

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

.gallery-mixed {
  grid-template-columns: repeat(12, 1fr);
}

.gallery-mixed .span-12 { grid-column: span 12; }
.gallery-mixed .span-8 { grid-column: span 8; }
.gallery-mixed .span-6 { grid-column: span 6; }
.gallery-mixed .span-4 { grid-column: span 4; }

.gallery img {
  width: 100%;
  border-radius: 4px;
  transition: transform 0.5s ease;
}

.gallery figure {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
}

.gallery figcaption {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--color-text-light);
}

/* Lightbox */
.lightbox-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 10000;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
}

.lightbox-overlay.active { display: flex; }

.lightbox-overlay img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: 4px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

/* --- About Page --- */
.about-hero {
  padding-top: calc(var(--nav-height) + 4rem);
  padding-bottom: 4rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-photo {
  border-radius: 4px;
  overflow: hidden;
}

.about-photo img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
}

.about-content h1 { margin-bottom: 1.5rem; }
.about-content p { margin-bottom: 1rem; color: var(--color-text-light); }
.about-content p:first-of-type { font-size: 1.15rem; }

.career-timeline {
  padding: 4rem 0;
}

.timeline-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 3rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--color-border);
}

.timeline-date {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-light);
  padding-top: 0.3rem;
}

.timeline-content h3 {
  margin-bottom: 0.3rem;
}

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

/* --- Book Section --- */
.book-section {
  background: var(--color-bg-dark);
  color: var(--color-text-inv);
  padding: 7rem 0;
}

.book-section .section-label { color: var(--color-accent); }
.book-section h2 { color: var(--color-text-inv); }

.book-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.book-cover {
  max-width: 400px;
  margin: 0 auto;
  border-radius: 4px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.book-content p {
  color: rgba(240, 239, 235, 0.75);
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

.book-content blockquote {
  border-left: 3px solid var(--color-accent);
  padding-left: 1.5rem;
  margin: 2rem 0;
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-style: italic;
  color: var(--color-text-inv);
  line-height: 1.6;
}

.book-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.book-pillar {
  padding: 1.5rem;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 4px;
}

.book-pillar-number {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.book-pillar h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--color-text-inv);
  text-transform: none;
  letter-spacing: 0;
  margin-bottom: 0.5rem;
}

.book-pillar p {
  font-size: 0.85rem;
  color: rgba(240, 239, 235, 0.6);
  line-height: 1.6;
}

/* --- Praise / Testimonials --- */
.praise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.praise-card {
  background: #fff;
  padding: 2rem;
  border-radius: 4px;
  border: 1px solid var(--color-border);
}

.praise-card blockquote {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 1.5rem;
  font-style: italic;
}

.praise-card-author {
  font-size: 0.85rem;
  font-weight: 600;
}

.praise-card-role {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

/* --- Speeches --- */
.speeches-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.speech-card {
  overflow: hidden;
  border-radius: 4px;
  background: #fff;
  border: 1px solid var(--color-border);
}

.speech-card img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.speech-card-body {
  padding: 1.5rem;
}

.speech-card-body h3 { font-size: 1.05rem; margin-bottom: 0.3rem; }
.speech-card-body p { font-size: 0.85rem; color: var(--color-text-light); }

/* --- Contact --- */
.contact-section {
  background: var(--color-bg-alt);
  padding: 7rem 0;
  text-align: center;
}

.contact-section h2 { margin-bottom: 1rem; }
.contact-section p { color: var(--color-text-light); margin-bottom: 2rem; max-width: 500px; margin-left: auto; margin-right: auto; }

.contact-links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Footer --- */
.footer {
  background: var(--color-bg-dark);
  color: var(--color-text-inv);
  padding: 3rem 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer p {
  font-size: 0.8rem;
  color: rgba(240, 239, 235, 0.5);
}

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

.footer-links a {
  font-size: 0.8rem;
  color: rgba(240, 239, 235, 0.5);
}

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

.footer-quote {
  text-align: center;
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 0.95rem;
  color: rgba(240, 239, 235, 0.4);
  padding-top: 2rem;
  margin-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.06);
}

/* --- Back to top --- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--color-text);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--transition);
  z-index: 999;
  font-size: 1.2rem;
}

.back-to-top.visible { opacity: 1; transform: translateY(0); }
.back-to-top:hover { background: var(--color-accent); }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .about-hero { grid-template-columns: 1fr; }
  .about-hero .about-photo { order: -1; max-width: 400px; }
  .book-grid { grid-template-columns: 1fr; text-align: center; }
  .book-cover { margin-bottom: 2rem; }
  .gallery-mixed .span-8, .gallery-mixed .span-4 { grid-column: span 6; }
}

@media (max-width: 768px) {
  :root { --nav-height: 60px; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(250, 250, 248, 0.98);
    backdrop-filter: blur(20px);
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--color-border);
    gap: 1rem;
  }
  .nav-toggle { display: block; }

  .hero-content { padding: 3rem 0 2rem; }
  .hero-stats { gap: 2rem; flex-wrap: wrap; }
  .section { padding: 4rem 0; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .gallery-two, .gallery-three { grid-template-columns: 1fr; }
  .gallery-mixed .span-12, .gallery-mixed .span-8, .gallery-mixed .span-6, .gallery-mixed .span-4 { grid-column: span 12; }
  .timeline-item { grid-template-columns: 1fr; gap: 0.5rem; }
  .book-pillars { grid-template-columns: 1fr; }
  .praise-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
  .hero-stats { flex-direction: column; gap: 1.5rem; }
}

/* --- Page transition --- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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