/* ========================================
   Pamela Lang - Portfolio
   Clean, modern, gallery-focused
   ======================================== */

:root {
  --bg: #0f0f0f;
  --bg-elevated: #1a1a1a;
  --text: #e8e4df;
  --text-muted: #8a8580;
  --accent: #c9a87c;
  --accent-hover: #dbb990;
  --border: #2a2a2a;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---- Navigation ---- */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 2.5rem;
  background: rgba(15, 15, 15, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}

.nav.scrolled {
  border-bottom-color: var(--border);
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color 0.2s;
}

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

/* ---- Hero ---- */

.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 2rem 4rem;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.hero-tagline {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-muted);
  font-weight: 300;
  letter-spacing: 0.03em;
}

.hero-home {
  min-height: 90vh;
}

.hero-cta {
  margin-top: 2.5rem;
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-btn {
  display: inline-block;
  padding: 0.875rem 2.25rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-decoration: none;
  border-radius: 4px;
  transition: all 0.2s;
  background: var(--accent);
  color: var(--bg);
  border: 1px solid var(--accent);
}

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

.hero-btn-outline {
  background: transparent;
  color: var(--accent);
}

.hero-btn-outline:hover {
  background: var(--accent);
  color: var(--bg);
}

/* ---- Page Header (inner pages) ---- */

.page-header {
  padding: 8rem 2.5rem 3rem;
  text-align: center;
}

/* ---- Section Titles ---- */

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 400;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 2.5rem;
}

/* ---- Work / Gallery ---- */

.work {
  padding: 4rem 2.5rem 6rem;
  max-width: 1400px;
  margin: 0 auto;
}

.filters {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.filter-pill {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-pill:hover {
  border-color: var(--text-muted);
  color: var(--text);
}

.filter-pill.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
}

/* Gallery grid - masonry-like with CSS columns */
.gallery {
  columns: 3;
  column-gap: 1.25rem;
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: 1.25rem;
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  display: block;
  transition: transform 0.4s ease;
}

.gallery-item:hover img {
  transform: scale(1.03);
}

.gallery-item .overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem 1.25rem;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  opacity: 0;
  transition: opacity 0.3s;
}

.gallery-item:hover .overlay {
  opacity: 1;
}

.overlay .item-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 400;
  margin-bottom: 0.25rem;
}

.overlay .item-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.overlay .item-tools {
  font-size: 0.75rem;
  color: var(--accent);
  margin-top: 0.5rem;
  letter-spacing: 0.03em;
}

.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-muted);
  font-size: 1.125rem;
  font-style: italic;
}

.empty-state.hidden {
  display: none;
}

/* ---- Lightbox ---- */

.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.95);
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.lightbox.active {
  display: flex;
}

.lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 4px;
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: var(--text);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  padding: 0.5rem;
}

.lightbox-caption {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  max-width: 600px;
}

.lightbox-caption .item-title {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  margin-bottom: 0.25rem;
}

.lightbox-caption .item-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ---- About ---- */

.about {
  padding: 8rem 2.5rem 6rem;
  max-width: 900px;
  margin: 0 auto;
}

/* Triple Threat Cards */
.triple-threat {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.threat-card {
  position: relative;
  padding: 2rem 2rem 2rem 2.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: border-color 0.3s;
}

.threat-card:hover {
  border-color: var(--accent);
}

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

.threat-title {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.threat-card p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.about-lead {
  font-size: 1.25rem;
  line-height: 1.7;
  color: var(--text);
  margin-bottom: 3.5rem;
  max-width: 720px;
}

.about-blocks {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  margin-bottom: 4rem;
}

.about-block {
  padding-left: 1.5rem;
  border-left: 2px solid var(--accent);
}

.about-block-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 400;
  font-style: italic;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.about-block p {
  font-size: 1.0625rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.about-block p:last-child {
  margin-bottom: 0;
}

.about-capabilities {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.capability {
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: border-color 0.2s;
}

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

.capability-label {
  display: block;
  font-size: 0.9375rem;
  font-weight: 500;
  margin-bottom: 0.375rem;
  color: var(--text);
}

.capability-desc {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ---- Contact ---- */

.contact-page {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8rem 2.5rem 4rem;
  max-width: 600px;
  margin: 0 auto;
}

.contact-lead {
  color: var(--text-muted);
  font-size: 1.0625rem;
  line-height: 1.7;
  margin-top: 1rem;
  margin-bottom: 2rem;
}

.contact {
  padding: 6rem 2.5rem;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.contact-btn {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.875rem 2.5rem;
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  text-decoration: none;
  border-radius: 4px;
  transition: all 0.2s;
}

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

/* ---- Footer ---- */

.footer {
  padding: 2rem 2.5rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8125rem;
  border-top: 1px solid var(--border);
}

/* ---- Responsive ---- */

@media (max-width: 1024px) {
  .gallery {
    columns: 2;
  }
}

@media (max-width: 768px) {
  .nav {
    padding: 1rem 1.5rem;
  }

  .nav-links {
    gap: 1.25rem;
  }

  .nav-links a {
    font-size: 0.8125rem;
  }

  .hero {
    min-height: 50vh;
    padding: 5rem 1.5rem 3rem;
  }

  .work {
    padding: 3rem 1.5rem 4rem;
  }

  .gallery {
    columns: 2;
    column-gap: 0.75rem;
  }

  .gallery-item {
    margin-bottom: 0.75rem;
  }

  .about {
    padding: 4rem 1.5rem;
  }

  .triple-threat {
    gap: 1rem;
  }

  .threat-card {
    padding: 1.5rem;
  }

  .about-capabilities {
    grid-template-columns: 1fr 1fr;
  }

  .contact {
    padding: 4rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .gallery {
    columns: 1;
  }

  .nav-links {
    gap: 1rem;
  }

  .about-capabilities {
    grid-template-columns: 1fr;
  }
}