/* ============================================================
   Dr. Kayla Iacovino — Static Site Stylesheet
   ============================================================ */

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

:root {
  --color-primary: #1B52C8;
  --color-primary-dark: #0F2F72;
  --color-accent-peach: #FFB994;
  --color-accent-green: #47D8B0;
  --color-dark: #27272A;
  --color-gray: #75757E;
  --color-light-gray: #C4C4D3;
  --color-bg: #ffffff;
  --color-bg-alt: #f7f7fa;
  --font-heading: 'Poppins', Helvetica, Arial, sans-serif;
  --font-body: 'Roboto', Helvetica, Arial, sans-serif;
  --max-width: 1140px;
  --nav-height: 80px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-dark);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--color-primary-dark); }

/* External link indicator */
.content-block a[target="_blank"]::after,
.content-band > p a[target="_blank"]::after,

/* Download link styling */
a[href$=".pdf"]:not(:has(svg, img)):not(.petro-tool__format),
a[href$=".xlsx"]:not(:has(svg, img)):not(.petro-tool__format),
a[href$=".xls"]:not(:has(svg, img)):not(.petro-tool__format),
a[href$=".zip"]:not(:has(svg, img)):not(.petro-tool__format),
a[href$=".doc"]:not(:has(svg, img)):not(.petro-tool__format) {
  font-weight: 500;
}
a[href$=".pdf"]:not(:has(svg, img)):not(.petro-tool__format)::before,
a[href$=".xlsx"]:not(:has(svg, img)):not(.petro-tool__format)::before,
a[href$=".xls"]:not(:has(svg, img)):not(.petro-tool__format)::before,
a[href$=".zip"]:not(:has(svg, img)):not(.petro-tool__format)::before,
a[href$=".doc"]:not(:has(svg, img)):not(.petro-tool__format)::before {
  content: '\2913\2009';
  font-size: 1.15em;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-dark);
  line-height: 1.2;
}
h1 { font-weight: 700; font-size: clamp(1.8rem, 5vw, 3rem); }
h2 { font-weight: 600; font-size: clamp(1.5rem, 3.5vw, 2rem); margin-bottom: 0.75em; }
h3 { font-weight: 500; font-size: clamp(1.2rem, 2.5vw, 1.5rem); margin-bottom: 0.5em; }
h4 { font-weight: 600; font-size: 1.15rem; margin-bottom: 0.4em; }
h5 { font-weight: 500; font-size: 1rem; margin-bottom: 0.3em; }
h6 { font-weight: 500; font-size: 0.9rem; letter-spacing: 0.5px; text-transform: uppercase; color: var(--color-primary); margin-bottom: 0.3em; }

p { margin-bottom: 1em; }
p:last-child { margin-bottom: 0; }


/* --- Layout Helpers --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.content-band {
  padding: 10px 24px 60px;
  text-align: center;
}
.content-band--alt {
  background: var(--color-bg-alt);
}

.grid {
  display: grid;
  gap: 40px;
}
.grid--2col { grid-template-columns: 1fr 1fr; }
.grid--3col { grid-template-columns: 1fr 1fr 1fr; }
.grid--4col {
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  background: var(--color-bg-alt);
  padding: 40px;
  border-radius: 8px;
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
}


/* --- Navigation --- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  transition: box-shadow 0.3s;
}
.site-nav.scrolled {
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}
.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}
.site-nav__brand {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-dark);
  text-decoration: none;
}
.site-nav__brand:hover { color: var(--color-primary); }

.site-nav__links {
  list-style: none;
  display: flex;
  gap: 32px;
  align-items: center;
}
.site-nav__links a {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1.1rem;
  color: var(--color-dark);
  text-decoration: none;
  padding: 6px 0;
  position: relative;
  transition: color 0.2s;
}
.site-nav__links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width 0.25s ease;
}
.site-nav__links a:hover,
.site-nav__links a.active {
  color: var(--color-primary);
}
.site-nav__links a:hover::after,
.site-nav__links a.active::after {
  width: 100%;
}

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-dark);
  margin: 5px 0;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }


/* --- Hero (Home page) --- */
.hero {
  display: flex;
  align-items: center;
  min-height: calc(60vh - var(--nav-height));
  padding: 60px 0;
}
.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero__text h1 { 
  margin-bottom: 0.3em; 
  font-weight: 700;
  font-size: 4.4em;
}
.hero__subtitle {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 19px;
  color: var(--color-dark);
  line-height: 1.6;
  margin-bottom: 1.5em;
}
.hero__image {
  display: flex;
  justify-content: center;
}
.hero__image img {
  width: 556px;
  height: 417px;
  object-fit: cover;
  border-radius: 30%;
  border: 8px solid var(--color-bg);
  box-shadow: 0 8px 40px rgba(27,82,200,0.12);
}

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1rem;
  padding: 12px 30px;
  border-radius: 30px;
  text-decoration: none;
  transition: background 0.2s, color 0.2s, border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.btn--primary {
  background: var(--color-primary);
  color: #fff;
  border: 1px solid var(--color-primary);
}
.btn--primary svg.inline-icon {
  fill: #fff;
  margin-right: 4px;
}
.btn--primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff;
  box-shadow: 0 4px 16px rgba(27,82,200,0.25);
  transform: translateY(-1px);
}


/* --- Page Header (subpages) --- */
.page-header {
  padding: 60px 0 0px;
  text-align: center;
}
.page-header h1 {
  margin-bottom: 0.2em;
}
.page-header__subtitle {
  max-width: 800px;
  font-size: 1.2rem;
  color: var(--color-dark);
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 0.2em;
}
.page-header__quote {
  font-size: 1rem;
  font-style: italic;
  color: var(--color-gray);
  margin-bottom: 0.2em;
}


/* --- Main Content Wrapper --- */
.main-content {
  min-height: 60vh;
}


/* --- Content Blocks --- */
.content-block {
  margin-bottom: 1.5rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
}
.content-block:last-child { margin-bottom: 0; }

.content-block p {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
}

/* Panoramic figure (full-width centered image) */
.figure--panoramic {
  margin: 2rem auto 0;
  text-align: center;
}
.figure--panoramic img {
  width: 60%;
  max-width: 800px;
  height: auto;
  border-radius: 6px;
  margin: 0 auto;
}

/* Callout card */
.callout-card {
  display: inline-flex;
  align-items: center;
  gap: 20px;
  background: var(--color-bg-alt);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 10px;
  padding: 24px 36px;
  margin: 1rem auto;
  text-align: left;
}
.callout-card__icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  color: var(--color-primary);
}
.callout-card__text h3 {
  font-size: 1.15rem;
  margin-bottom: 0.2em;
}
.callout-card__text p {
  font-size: 0.95rem;
  color: var(--color-gray);
  margin-bottom: 0;
  max-width: none;
}

/* Dividers */
.divider {
  border: none;
  border-top: 1px solid rgba(0,0,0,0.1);
  width: 80px;
  margin: 0 auto 2rem;
}

.divider--wide {
  border: none;
  border-top: 1px solid rgba(0,0,0,0.1);
  width: 1000px;
  margin: 1rem auto 0rem;
  margin-bottom: 0;
}

/* Center paragraphs in content bands */
.content-band > p {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Content band subtitle */
.content-band__subtitle {
  font-size: 1.05rem;
  color: var(--color-gray);
  margin-bottom: 1.5em;
}

/* Grid items */
.grid-item {
  text-align: center;
}
.grid-item img {
  border-radius: 8px;
  margin-bottom: 1em;
  max-width: 200px;
  margin-left: auto;
  margin-right: auto;
}

/* Project blocks */
.project-block {
  text-align: left;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.project-block:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.tool-card {
  padding: 24px;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 8px;
  background: var(--color-bg);
  text-align: left;
}
.tool-card h4 { font-size: 1rem; }
.tool-card p { font-size: 0.9rem; color: var(--color-gray); }

/* Petrology tool card (detailed tool listings) */
.petro-tool {
  text-align: left;
  max-width: 800px;
  margin: 0 auto 1.5rem;
  padding: 28px 32px;
  background: var(--color-bg);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 10px;
}
.petro-tool:last-child { margin-bottom: 0; }

.petro-tool__name {
  margin-bottom: 0.5em;
}
.petro-tool__desc {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-dark);
  margin-bottom: 0;
}

.petro-tool__meta {
  margin-top: 1em;
  padding-top: 0.8em;
  border-top: 1px solid rgba(0,0,0,0.06);
}
.petro-tool__meta-row {
  font-size: 0.82rem;
  color: var(--color-gray);
  line-height: 1.5;
  margin-bottom: 0.3em;
}
.petro-tool__meta-row:last-child { margin-bottom: 0; }
.petro-tool__meta-label {
  font-weight: 500;
  font-style: normal;
  color: var(--color-dark);
  margin-right: 0.3em;
}

.petro-tool__formats {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 1em;
}
.petro-tool__format {
  display: flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  min-width: 240px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--color-primary);
  padding: 10px 14px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 0 0 1px rgba(0,0,0,0.03);
  text-decoration: none;
  transition: background 0.2s, box-shadow 0.2s;
}
.petro-tool__format svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}
.petro-tool__format:hover {
  box-shadow: 0 2px 6px rgba(0,0,0,0.12), 0 0 0 1px rgba(0,0,0,0.04);
}

/* Format type colors */
.petro-tool__format--excel { color: #217346; }
.petro-tool__format--excel:hover { color: #1a5c38; background: rgba(33,115,70,0.03); }

.petro-tool__format--python { color: #6D28D9; }
.petro-tool__format--python:hover { color: #5521B5; background: rgba(109,40,217,0.04); }

.petro-tool__format--web { color: var(--color-primary); }
.petro-tool__format--web:hover { color: var(--color-primary-dark); background: rgba(27,82,200,0.03); }

/* Publications sub-section within tool card */
.petro-tool__pubs {
  margin-top: 1em;
  padding-top: 0.8em;
  border-top: 1px solid rgba(0,0,0,0.06);
}
.petro-tool__pubs-heading {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-gray);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.3em;
}
.petro-tool__pubs-list {
  list-style: none;
}
.petro-tool__pubs-list li {
  padding: 2px 0;
}
.petro-tool__pubs-list a {
  font-size: 0.9rem;
}
.petro-tool__pubs-cite {
  font-size: 0.82rem;
  color: var(--color-gray);
  line-height: 1.5;
  margin-top: 0.6em;
}

/* Publication list */
.pub-list {
  list-style: none;
  text-align: left;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.pub-list li {
  padding: 12px 0;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  font-size: 0.92rem;
  line-height: 1.6;
}
.pub-list li:last-child { border-bottom: none; }
.pub-year {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--color-primary);
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}
.pub-year:first-child { margin-top: 0; }

/* Press page */
.press-features {
  margin-top: 1.5rem;
  text-align: left;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Featured press article card */
.press-feature {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  align-items: center;
  padding: 20px 24px;
  background: var(--color-bg);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 10px;
  margin-bottom: 12px;
  text-decoration: none;
  color: var(--color-dark);
  transition: box-shadow 0.2s, transform 0.2s;
}
.press-feature:last-child { margin-bottom: 0; }
.press-feature:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}
.press-feature img {
  width: 120px;
  height: 80px;
  object-fit: contain;
  border-radius: 4px;
}
.press-feature h3 {
  font-size: 1.05rem;
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: 0.3em;
}
.press-feature h3 a {
  color: var(--color-primary);
}
.press-feature h3 a:hover {
  color: var(--color-primary-dark);
}
.press-feature p {
  font-size: 0.85rem;
  color: var(--color-gray);
  margin-bottom: 0;
}

/* "More Coverage" divider label */
.press-more-label {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-gray);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
}

/* Spotlight profile cards (2×2 grid) */
.spotlight-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  max-width: 800px;
  margin: 1.5rem auto 0;
}
.spotlight-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: var(--color-bg);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 10px;
  text-decoration: none;
  color: var(--color-dark);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.spotlight-card:hover {
  color: var(--color-dark);
  border-color: rgba(27,82,200,0.15);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  transform: translateY(-2px);
}
.spotlight-card__logo {
  flex-shrink: 0;
  width: 64px;
  max-width: 64px;
  max-height: 48px;
  object-fit: contain;
}
.spotlight-card__text h3 {
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.35;
  margin-bottom: 0.15em;
  color: var(--color-primary);
}
.spotlight-card__text p {
  font-size: 0.8rem;
  color: var(--color-gray);
  margin-bottom: 0;
}

/* Media list */
.media-list {
  list-style: none;
  text-align: left;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.media-list li {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(0,0,0,0.04);
  font-size: 0.92rem;
  border-radius: 6px;
  transition: background 0.15s;
}
.media-list li:last-child { border-bottom: none; }
.media-list li:hover {
  background: rgba(27,82,200,0.03);
}
.source {
  font-style: italic;
  color: var(--color-gray);
}

/* Documentary cards */
.doc-card {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 32px;
  align-items: start;
  padding: 32px 0;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  text-align: left;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.doc-card:last-child { border-bottom: none; }
.doc-card img { border-radius: 8px; }
.doc-card h3 { margin-bottom: 0.3em; }
.doc-card__meta {
  font-size: 0.85rem;
  color: var(--color-gray);
  margin-bottom: 0.8em;
}
.doc-card__links {
  margin-top: 1em;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.doc-card__links a {
  font-size: 0.9rem;
  font-weight: 400;
}
.doc-card__image img {
  border-radius: 8px;
  width: 100%;
}
.doc-card__content h2 {
  margin-bottom: 0.3em;
}
.doc-card--no-image {
  grid-template-columns: 1fr;
}

/* Dual-version documentary card (e.g., BBC + PBS of same series) */
.doc-card__versions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 1.5em;
}
.doc-card__version img {
  border-radius: 8px;
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  margin-bottom: 0.75em;
}
.doc-card__version-label {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-gray);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.15em;
}
.doc-card__version-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-dark);
  margin-bottom: 0.5em;
}
.doc-card__version .doc-card__links {
  margin-top: 0.5em;
  flex-direction: column;
  gap: 8px;
}

/* --- Footer --- */
.site-footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.6);
  padding: 48px 0;
}
.site-footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}
.site-footer__brand {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.1rem;
  color: #fff;
  text-decoration: none;
}
.social-links {
  display: flex;
  gap: 16px;
  align-items: center;
}
.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: rgba(255,255,255,0.5);
  transition: color 0.2s, background 0.2s;
}
.social-links a:hover {
  color: #fff;
  background: rgba(255,255,255,0.1);
}
.social-links svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}
.site-footer__copy {
  font-size: 0.85rem;
}


/* --- Highlight Cards (Home page) --- */
.highlights {
  padding: 60px 0;
}
.highlights .container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: var(--max-width);
}
.highlight-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  border-radius: 10px;
  background: var(--color-bg);
  border: 1px solid rgba(0,0,0,0.06);
  text-decoration: none;
  color: var(--color-dark);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.highlight-card:hover {
  color: var(--color-dark);
  border-color: rgba(27,82,200,0.15);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  transform: translateY(-2px);
}
.highlight-card__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(27,82,200,0.07);
  color: var(--color-primary);
}
.highlight-card__icon svg {
  width: 22px;
  height: 22px;
}
.highlight-card__text h3 {
  font-size: 1.05rem;
  margin-bottom: 0.25em;
}
.highlight-card__text p {
  font-size: 0.88rem;
  color: var(--color-gray);
  line-height: 1.5;
  margin-bottom: 0;
}

/* --- Section Header with Icon --- */
.section-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 0.75em;
  justify-content: center;
}
.section-header svg {
  width: 28px;
  height: 28px;
  color: var(--color-primary);
  flex-shrink: 0;
}
.section-header h2 {
  margin-bottom: 0;
}

/* --- Documentary Link Buttons --- */
.doc-card__links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 6px;
  background: rgba(27,82,200,0.05);
  color: var(--color-primary);
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}
.doc-card__links a:hover {
  background: rgba(27,82,200,0.12);
  color: var(--color-primary-dark);
}
.doc-card__links svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* --- Media Category Header --- */
.media-category {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 2rem;
  margin-bottom: 0.75em;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.media-category:first-child {
  margin-top: 0;
}
.media-category svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
  flex-shrink: 0;
}
.media-category h3 {
  margin-bottom: 0;
}

/* --- Outreach Event Card --- */
.outreach-card {
  text-align: left;
  max-width: 800px;
  margin: 0 auto 1.25rem;
  padding: 24px 28px;
  background: var(--color-bg);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 10px;
}
.outreach-card:last-child { margin-bottom: 0; }
.outreach-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.2em;
}
.outreach-card h4 {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-gray);
  margin-bottom: 0.5em;
}
.outreach-card p {
  font-size: 0.92rem;
  margin-bottom: 0;
}

/* --- Video List (Outreach) --- */
.video-list {
  list-style: none;
  text-align: left;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.video-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(0,0,0,0.04);
  font-size: 0.95rem;
}
.video-list li:last-child { border-bottom: none; }
.video-list svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  flex-shrink: 0;
  opacity: 0.6;
}

/* --- Thumbnail Video Grid (Outreach) --- */
.thumb-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 800px;
  margin: 0 auto;
}
.thumb-card {
  position: relative;
  display: block;
  border-radius: 8px;
  overflow: hidden;
  text-decoration: none;
  color: var(--color-dark);
  transition: transform 0.2s, box-shadow 0.2s;
}
.thumb-card:hover {
  color: var(--color-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}
.thumb-card__img {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #000;
}
.thumb-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.thumb-card__play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  background: rgba(0,0,0,0.6);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}
.thumb-card:hover .thumb-card__play {
  background: rgba(27,82,200,0.85);
}
.thumb-card__play svg {
  width: 28px;
  height: 28px;
  fill: #fff;
  margin-left: 3px;
}
.thumb-card__title {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 10px 12px;
  background: var(--color-bg);
  border: 1px solid rgba(0,0,0,0.06);
  border-top: none;
  border-radius: 0 0 8px 8px;
}

/* 3-column thumbnail grid variant */
.thumb-grid--3col {
  grid-template-columns: repeat(3, 1fr);
}

/* Inline thumbnail inside an outreach-card */
.outreach-card .thumb-card {
  margin-top: 1em;
  max-width: 100%;
}
.outreach-card .thumb-card .thumb-card__title {
  display: none;
}

/* --- Inline Icon (generic) --- */
.inline-icon {
  width: 20px;
  height: 20px;
  vertical-align: -0.15em;
  fill: currentColor;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr 1fr; gap: 40px; }
  .doc-card { grid-template-columns: 220px 1fr; }

  .grid--4col { grid-template-columns: 1fr 1fr; padding: 24px; }
  .highlights .container { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --nav-height: 64px; }

  .content-band { padding: 48px 32px; }
  .page-header { padding-left: 32px; padding-right: 32px; }

  /* Nav mobile */
  .nav-toggle { display: block; }
  .site-nav__links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    background: var(--color-dark);
    padding: 32px 24px;
    gap: 0;
    transform: translateX(100%);
    transition: transform 0.3s ease;
  }
  .site-nav__links.open {
    transform: translateX(0);
  }
  .site-nav__links a {
    color: #fff;
    font-size: 1.1rem;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    width: 100%;
  }
  .site-nav__links a::after { display: none; }
  .site-nav__links a:hover,
  .site-nav__links a.active {
    color: var(--color-accent-peach);
  }

  /* Hero mobile */
  .hero { min-height: auto; padding: 40px 0; }
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero__image { order: -1; }
  .hero__image img { width: 220px; height: 220px; }

  /* Grid mobile */
  .grid--2col,
  .grid--3col,
  .grid--4col { grid-template-columns: 1fr; padding: 20px; }
  .tool-grid { grid-template-columns: 1fr; }
  .callout-card { flex-direction: column; text-align: center; padding: 20px 24px; }

  /* Petro tool mobile */
  .petro-tool { padding: 20px 20px; }

  /* Highlights mobile */
  .highlights .container { grid-template-columns: 1fr; }
  .highlights { padding: 40px 0; }

  /* Press mobile */
  .press-feature { grid-template-columns: 80px 1fr; gap: 16px; padding: 16px; }
  .press-feature img { width: 80px; height: 56px; }
  .spotlight-grid { grid-template-columns: 1fr; }
  .spotlight-card__logo { width: 48px; height: 36px; }

  /* Documentary mobile */
  .doc-card { grid-template-columns: 1fr; }
  .doc-card img { max-width: 300px; }
  .doc-card__versions { grid-template-columns: 1fr; }

  /* Thumbnail grid mobile */
  .thumb-grid { grid-template-columns: 1fr; }
  .thumb-grid--3col { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .container { padding: 0 24px; }
  .content-band { padding: 32px 24px; }
  .page-header { padding-left: 24px; padding-right: 24px; }
  .hero__image img { width: 180px; height: 180px; }
}