/* ============================================
   Logan S. James — Personal Academic Website
   Design System & Styles
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Source+Serif+4:ital,wght@0,400;0,600;0,700;1,400&display=swap');

/* --- Custom Properties --- */
:root {
  /* Colors */
  --color-primary: #1a5c4c;
  --color-primary-dark: #0f3d33;
  --color-primary-light: #e8f0ee;
  --color-accent: #c8553d;
  --color-accent-light: #fdf6f4;
  --color-text: #2b2b2b;
  --color-text-light: #5a5a5a;
  --color-bg: #fafaf8;
  --color-bg-alt: #f1f0ec;
  --color-white: #ffffff;
  --color-border: #d9d9d4;

  /* Typography */
  --font-heading: 'Source Serif 4', 'Georgia', serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  /* Layout */
  --max-width: 1100px;
  --nav-height: 72px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.1);

  /* Borders */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-primary-dark);
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.2;
  color: var(--color-text);
}

h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(1.4rem, 2.5vw, 1.8rem);
  font-weight: 600;
}

h3 {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  font-weight: 600;
}

ul, ol {
  list-style: none;
}

/* --- Skip to Content --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-primary);
  color: var(--color-white);
  z-index: 1000;
  font-size: 0.9rem;
}

.skip-link:focus {
  top: 0;
}

/* --- Layout Utilities --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-lg) 0;
}

.section-alt {
  background-color: var(--color-bg-alt);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.section-header h2 {
  margin-bottom: var(--space-sm);
}

.section-header::after {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background: var(--color-primary);
  margin: var(--space-md) auto 0;
}

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  z-index: 100;
  transition: height 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  align-items: center;
}

.navbar.scrolled {
  height: 56px;
  box-shadow: var(--shadow-md);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
}

.nav-brand:hover {
  color: var(--color-primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-light);
  text-decoration: none;
  padding: var(--space-xs) 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: var(--color-white);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-sm {
  padding: 0.4rem 0.9rem;
  font-size: 0.85rem;
}

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

.hero::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 70%;
  background: url('../images/leaves/4025565.jpg') center bottom / 100% auto no-repeat;
  opacity: 0.15;
  z-index: 0;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 30%);
  mask-image: linear-gradient(to bottom, transparent 0%, black 30%);
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  right: -10%;
  width: 60%;
  height: 100%;
  background: var(--color-primary-light);
  opacity: 0.3;
  clip-path: polygon(30% 0%, 100% 0%, 100% 100%, 10% 100%);
  z-index: 0;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.hero-affiliations {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  line-height: 1.1;
}

.hero-subtitle {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero-image {
  position: relative;
}

.hero-image img,
.hero-image .image-placeholder {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* Soft edge fade on hero illustration only */
.hero-image img {
  -webkit-mask-image: radial-gradient(ellipse 85% 80% at center, black 50%, transparent 100%);
  mask-image: radial-gradient(ellipse 85% 80% at center, black 50%, transparent 100%);
  box-shadow: none;
}

/* Decorative leaf accents — hidden on hero since we use background image now */
.hero-decor {
  display: none;
}

/* --- Individual Leaf Accents --- */
.leaf-accent {
  position: absolute;
  pointer-events: none;
  z-index: 0;
  opacity: 0.12;
}

/* Monstera behind headshot on hero */
.hero-image {
  z-index: 1;
}

.hero-image .leaf-accent {
  width: 180px;
  height: auto;
  opacity: 0.35;
}

.hero-image .leaf-accent-1 {
  top: -20px;
  right: -20px;
  transform: rotate(25deg);
}

.hero-image .leaf-accent-2 {
  bottom: -10px;
  left: -25px;
  transform: rotate(-15deg) scaleX(-1);
}

/* Corner accents on page headers — positioned relative to the container */
.page-header {
  position: relative;
}

.page-header .container {
  position: relative;
}

.page-header .leaf-accent {
  width: 130px;
  height: auto;
}

.page-header .leaf-accent-right {
  top: 10px;
  right: -60px;
  transform: rotate(20deg);
  opacity: 0.2;
}

.page-header .leaf-accent-left {
  top: 5px;
  left: -60px;
  transform: rotate(-25deg) scaleX(-1);
  opacity: 0.16;
}

/* Section accent leaves */
.section-leaf {
  position: relative;
}

.section-leaf .leaf-accent {
  width: 120px;
  height: auto;
}

.section-leaf .leaf-accent-corner {
  top: -20px;
  right: -10px;
  transform: rotate(30deg);
  opacity: 0.07;
}

@media (max-width: 768px) {
  .leaf-accent {
    display: none;
  }
}

/* --- Leaf Divider --- */
.leaf-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  color: var(--color-primary);
  opacity: 0.3;
}

.leaf-divider svg {
  width: 24px;
  height: 24px;
}

.leaf-divider::before,
.leaf-divider::after {
  content: '';
  flex: 1;
  max-width: 80px;
  height: 1px;
  background: var(--color-primary);
}

/* --- Research Overview Icon --- */
.research-overview-icon {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.research-overview-icon img {
  max-width: 280px;
  margin: 0 auto;
}

/* --- Research Areas (zigzag layout) --- */
.research-area {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--color-border);
}

.research-area:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.research-area:first-child {
  padding-top: 0;
}

/* Alternate: even rows flip figure/text */
.research-area:nth-child(even) .research-area-text {
  order: 2;
}

.research-area:nth-child(even) .research-area-figures {
  order: 1;
}

.research-area-text h3 {
  font-size: 1.3rem;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.research-area-text h3 .area-species {
  display: block;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-xs);
}

.research-area-text p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.research-area-papers {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.research-area-papers a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  transition: color 0.2s ease;
}

.research-area-papers a:hover {
  color: var(--color-primary-dark);
}

.research-area-papers a::after {
  content: ' \2192';
}

/* Research figures */
.research-area-figures {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.research-fig {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background: var(--color-white);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  flex: 1 1 0;
  min-width: 0;
}

.research-fig:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.research-fig img {
  width: 100%;
  height: auto;
  display: block;
  max-height: 220px;
  object-fit: cover;
  object-position: top;
}

.research-fig figcaption {
  font-size: 0.7rem;
  color: var(--color-text-light);
  padding: var(--space-xs) var(--space-sm);
  line-height: 1.3;
  border-top: 1px solid var(--color-border);
}

/* Press logos inline with research area */
.research-area-press {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
}

.research-area-press span {
  font-size: 0.75rem;
  color: var(--color-text-light);
  font-weight: 500;
  white-space: nowrap;
}

.research-area-press a {
  display: inline-flex;
  align-items: center;
  opacity: 0.55;
  transition: opacity 0.2s ease;
}

.research-area-press a:hover {
  opacity: 1;
}

.research-area-press a img {
  height: 16px;
  width: auto;
  object-fit: contain;
}

.research-area-press a.press-link-square img {
  height: 20px;
  border-radius: 3px;
}

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

  .research-area:nth-child(even) .research-area-text {
    order: 1;
  }

  .research-area:nth-child(even) .research-area-figures {
    order: 2;
  }

  .research-overview-icon img {
    max-width: 200px;
  }
}

/* --- Study Species Gallery --- */
.species-gallery {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-md);
}

.species-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.species-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.species-card-img {
  aspect-ratio: 1;
  overflow: hidden;
}

.species-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.species-card:hover .species-card-img img {
  transform: scale(1.05);
}

.species-card-info {
  padding: var(--space-sm) var(--space-md);
}

.species-card-info h3 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0;
  line-height: 1.3;
}

.species-card-latin {
  font-size: 0.75rem;
  font-style: italic;
  color: var(--color-text-light);
  margin-bottom: 0;
}

.species-card-credit {
  font-size: 0.65rem;
  color: var(--color-text-light);
  opacity: 0.7;
  margin-top: var(--space-xs);
  margin-bottom: 0;
}

@media (max-width: 1024px) {
  .species-gallery {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 480px) {
  .species-gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --- Photo Gallery --- */
.photo-gallery {
  columns: 3;
  column-gap: var(--space-md);
}

.gallery-item {
  position: relative;
  break-inside: avoid;
  margin-bottom: var(--space-md);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
}

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

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

.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-lg) var(--space-md) var(--space-sm);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.65) 0%, transparent 100%);
  color: var(--color-white);
  font-size: 0.8rem;
  font-weight: 500;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.gallery-item:hover .gallery-caption {
  opacity: 1;
  transform: translateY(0);
}

/* Gallery lightbox */
.gallery-lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  cursor: pointer;
}

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

.gallery-lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.gallery-lightbox-caption {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.9rem;
  font-weight: 500;
  text-align: center;
  max-width: 600px;
}

.gallery-lightbox-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-lg);
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 2rem;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.2s ease;
  line-height: 1;
}

.gallery-lightbox-close:hover {
  opacity: 1;
}

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

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

/* --- Publications Page --- */
.page-header {
  padding-top: calc(var(--nav-height) + var(--space-2xl));
  padding-bottom: var(--space-xl);
}

.page-header h1 {
  margin-bottom: var(--space-sm);
}

.page-header p {
  color: var(--color-text-light);
  font-size: 1.05rem;
}

.page-header p a {
  font-weight: 500;
}

.pub-note {
  font-size: 0.75rem;
  color: var(--color-text-light);
  font-style: italic;
}

/* Publication Sections */
.pub-section {
  margin-bottom: var(--space-xl);
}

.pub-section-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-primary);
  margin-bottom: var(--space-lg);
}

/* Publication Items */
.pub-item {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.pub-item:last-child {
  border-bottom: none;
}

.pub-number {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-text-light);
  font-size: 0.95rem;
  padding-top: 2px;
}

.pub-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  line-height: 1.4;
}

.pub-authors {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-xs);
}

.pub-authors strong {
  color: var(--color-text);
}

.pub-journal {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-sm);
}

.pub-link {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.pub-link:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

/* Publication with journal cover */
.pub-item-with-cover {
  grid-template-columns: 2.5rem 1fr auto;
}

.pub-cover {
  width: 80px;
  height: auto;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  align-self: center;
}

/* Press coverage icons */
.pub-links {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
  flex-wrap: wrap;
}

.press-divider {
  width: 1px;
  height: 16px;
  background: var(--color-border);
  margin: 0 var(--space-xs);
}

.press-link {
  display: inline-flex;
  align-items: center;
  opacity: 0.6;
  transition: opacity 0.2s ease;
}

.press-link:hover {
  opacity: 1;
}

.press-link img {
  height: 18px;
  width: auto;
  object-fit: contain;
}

.press-link-square img {
  height: 22px;
  border-radius: 3px;
}

@media (max-width: 768px) {
  .pub-item-with-cover {
    grid-template-columns: 2rem 1fr;
  }

  .pub-cover {
    grid-column: 1 / -1;
    width: 60px;
    margin-top: var(--space-sm);
  }
}

/* --- About Page --- */
.about-intro {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--space-xl);
  align-items: start;
  margin-bottom: var(--space-2xl);
}

.about-photo {
  position: relative;
}

.about-photo img,
.about-photo .image-placeholder {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.about-bio p {
  margin-bottom: var(--space-md);
}

.about-bio p:first-child {
  font-size: 1.1rem;
}

/* CV Download */
.cv-download {
  text-align: center;
  padding: var(--space-xl) 0;
  margin-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

/* --- Footer --- */
.footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--space-xl) 0 var(--space-lg);
}

.footer .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.footer-info h3 {
  color: var(--color-white);
  font-size: 1.2rem;
  margin-bottom: var(--space-sm);
}

.footer-info p {
  font-size: 0.9rem;
  margin-bottom: var(--space-sm);
  line-height: 1.6;
}

.footer-info a {
  color: rgba(255, 255, 255, 0.9);
}

.footer-info a:hover {
  color: var(--color-white);
}

.footer-links {
  text-align: right;
}

.footer-links h3 {
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: var(--space-md);
}

.social-links {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-md);
}

.social-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

.social-link:hover {
  color: var(--color-white);
}

.social-link svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.footer-bottom {
  grid-column: 1 / -1;
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
}

/* --- Responsive: Tablet --- */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }

  .about-intro {
    grid-template-columns: 250px 1fr;
  }
}

/* --- Responsive: Mobile --- */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    gap: var(--space-md);
  }

  .nav-menu.open {
    display: flex;
  }

  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-image {
    order: -1;
    max-width: 280px;
    margin: 0 auto;
  }

  .hero::before {
    width: 100%;
    right: 0;
    clip-path: none;
    opacity: 0.2;
  }

  .about-intro {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-photo {
    max-width: 250px;
    margin: 0 auto;
  }

  .footer .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

  .social-links {
    justify-content: center;
  }

  .pub-item {
    grid-template-columns: 2rem 1fr;
  }
}

/* --- Responsive: Small Mobile --- */
@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

  .hero-title {
    font-size: 2rem;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  .hero-actions {
    flex-direction: column;
  }
}