/* ===========================
   STYLE.CSS — Layout & Components
   =========================== */

/* ===========================
   HEADER / NAV
   =========================== */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: oklch(from var(--color-bg) l c h / 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition:
    border-color 0.3s ease,
    box-shadow 0.3s ease;
}

.header--scrolled {
  border-bottom-color: var(--color-divider);
  box-shadow: var(--shadow-sm);
}

.nav {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-4) var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}

.nav__logo-text {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
}

.nav__links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
  letter-spacing: 0.01em;
  text-decoration: none;
  transition: color var(--transition-interactive);
}

.nav__links a:hover {
  color: var(--color-text);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.btn-theme {
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  background: var(--color-surface-offset);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition:
    color var(--transition-interactive),
    background var(--transition-interactive);
}

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

.nav__mobile-toggle {
  display: none;
  width: 2.25rem;
  height: 2.25rem;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  cursor: pointer;
}

@media (max-width: 768px) {
  .nav {
    padding: var(--space-4);
  }

  .nav__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-divider);
    flex-direction: column;
    padding: var(--space-6) var(--space-4);
    gap: var(--space-4);
    box-shadow: var(--shadow-md);
  }

  .nav__links.open {
    display: flex;
  }

  .nav__links a {
    font-size: var(--text-base);
    color: var(--color-text);
  }

  .nav__mobile-toggle {
    display: flex;
  }
}

/* ===========================
   HERO SECTION
   =========================== */

.hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: clamp(var(--space-16), 10vw, var(--space-32)) var(--space-8);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 40%, oklch(from var(--color-primary) l c h / 0.06) 0%, transparent 70%),
    radial-gradient(ellipse 40% 30% at 20% 80%, oklch(from var(--color-accent) l c h / 0.05) 0%, transparent 60%);
  pointer-events: none;
}

.hero__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
}

.hero__eyebrow::before {
  content: '';
  display: inline-block;
  width: 1.5rem;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
}

.hero__name {
  font-size: var(--text-3xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.hero__title {
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-text-muted);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-6);
  font-family: var(--font-display);
}

.hero__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 52ch;
  margin-bottom: var(--space-8);
}

.hero__ctas {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75rem 1.5rem;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  text-decoration: none;
  letter-spacing: 0.01em;
  transition:
    background var(--transition-interactive),
    transform var(--transition-interactive),
    box-shadow var(--transition-interactive);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75rem 1.5rem;
  background: transparent;
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  text-decoration: none;
  border: 1.5px solid var(--color-border);
  letter-spacing: 0.01em;
  transition:
    border-color var(--transition-interactive),
    background var(--transition-interactive),
    transform var(--transition-interactive);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
}

.hero__tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-8);
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  background: var(--color-surface-offset);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
}

.hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__portrait-wrap {
  position: relative;
  width: min(380px, 100%);
}

.hero__portrait-bg {
  position: absolute;
  inset: -1.5rem;
  border-radius: 40% 60% 60% 40% / 40% 40% 60% 60%;
  background: linear-gradient(135deg, var(--color-primary-highlight), var(--color-accent-highlight));
  z-index: 0;
}

.hero__portrait-img {
  position: relative;
  z-index: 1;
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.hero__portrait-placeholder {
  position: relative;
  z-index: 1;
  width: 100%;
  aspect-ratio: 3/4;
  border-radius: var(--radius-xl);
  background: linear-gradient(150deg, var(--color-primary-highlight) 0%, oklch(from var(--color-primary) 0.92 0.04 220) 60%, var(--color-accent-highlight) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-2);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.hero__portrait-initials {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 900;
  color: var(--color-primary);
  opacity: 0.55;
  letter-spacing: -0.04em;
  line-height: 1;
  user-select: none;
}

.hero__portrait-subtitle {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  opacity: 0.45;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero__stats {
  position: absolute;
  bottom: 1.5rem;
  left: -2rem;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  z-index: 2;
}

.stat-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  box-shadow: var(--shadow-md);
  min-width: 9rem;
}

.stat-card__num {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.stat-card__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 0.1rem;
}

@media (max-width: 900px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__desc, .hero__eyebrow {
    margin-left: auto;
    margin-right: auto;
  }

  .hero__ctas, .hero__tags {
    justify-content: center;
  }

  .hero__visual {
    order: -1;
  }

  .hero__portrait-wrap {
    width: min(280px, 100%);
  }

  .hero__stats {
    left: auto;
    right: -1rem;
    bottom: -1rem;
  }
}

/* ===========================
   SECTION UTILITIES
   =========================== */

.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
  padding-inline: var(--space-8);
}

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

.section__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}

.section__inner--narrow {
  max-width: var(--content-default);
  margin: 0 auto;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 1.25rem;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
}

.section-title {
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 60ch;
  margin-bottom: var(--space-12);
}

/* ===========================
   ABOUT / BIO SECTION
   =========================== */

.about__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.about__content p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-4);
  max-width: 60ch;
}

.about__content p:last-of-type {
  margin-bottom: var(--space-8);
}

.about__highlights {
  display: grid;
  gap: var(--space-4);
}

.highlight-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  box-shadow: var(--shadow-sm);
}

.highlight-card__icon {
  font-size: 1.5rem;
  margin-bottom: var(--space-2);
  line-height: 1;
}

.highlight-card__title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.highlight-card__desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .about__grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
}

/* ===========================
   PUBLICATIONS / ACADEMIC
   =========================== */

.pubs__list {
  display: grid;
  gap: var(--space-4);
}

.pub-item {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
  transition:
    box-shadow var(--transition-interactive),
    border-color var(--transition-interactive);
}

.pub-item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-highlight);
}

.pub-item__year {
  flex-shrink: 0;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  margin-top: 0.15rem;
  letter-spacing: 0.02em;
}

.pub-item__content {}

.pub-item__title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-1);
  line-height: 1.4;
}

.pub-item__authors {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.pub-item__journal {
  font-size: var(--text-xs);
  color: var(--color-primary);
  font-style: italic;
}

.research-areas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-8);
}

.research-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.9rem;
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.01em;
}

/* ===========================
   VENTURES SECTION
   =========================== */

.ventures__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.venture-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  transition:
    transform var(--transition-interactive),
    box-shadow var(--transition-interactive),
    border-color var(--transition-interactive);
}

.venture-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-highlight);
}

.venture-card__header {
  padding: var(--space-8) var(--space-8) var(--space-6);
  border-bottom: 1px solid var(--color-divider);
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.venture-card__logo-wrap {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.venture-card--coffee .venture-card__logo-wrap {
  background: linear-gradient(135deg, #3d1f0a, #7a3e18);
}

.venture-card--bio .venture-card__logo-wrap {
  background: linear-gradient(135deg, #0f3d1a, #1e7a35);
}

.venture-card__name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: var(--space-1);
}

.venture-card__type {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.venture-card__body {
  padding: var(--space-6) var(--space-8);
}

.venture-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-5);
  max-width: none;
}

.venture-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.venture-tag {
  display: inline-flex;
  padding: 0.2rem 0.65rem;
  background: var(--color-surface-offset);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
}

@media (max-width: 768px) {
  .ventures__grid {
    grid-template-columns: 1fr;
  }
}

/* ===========================
   BLOG SECTION
   =========================== */

.blog__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-5);
}

.blog-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition:
    transform var(--transition-interactive),
    box-shadow var(--transition-interactive),
    border-color var(--transition-interactive);
  cursor: pointer;
}

.blog-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-highlight);
}

.blog-card--featured {
  grid-row: span 2;
}

.blog-card__img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  background: linear-gradient(135deg, var(--color-surface-offset), var(--color-primary-highlight));
}

.blog-card--featured .blog-card__img {
  aspect-ratio: 4/3;
}

.blog-card__body {
  padding: var(--space-5) var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.blog-card__category {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.blog-card__date {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.blog-card__title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.4;
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}

.blog-card--featured .blog-card__title {
  font-size: var(--text-lg);
}

.blog-card__excerpt {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.7;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card--featured .blog-card__excerpt {
  -webkit-line-clamp: 4;
}

.blog__cta {
  margin-top: var(--space-10);
  text-align: center;
}

@media (max-width: 1024px) {
  .blog__grid {
    grid-template-columns: 1fr 1fr;
  }

  .blog-card--featured {
    grid-column: span 2;
    grid-row: auto;
  }
}

@media (max-width: 600px) {
  .blog__grid {
    grid-template-columns: 1fr;
  }

  .blog-card--featured {
    grid-column: auto;
  }
}

/* ===========================
   CONTACT SECTION
   =========================== */

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-16);
  align-items: start;
}

.contact__info {
  position: sticky;
  top: var(--space-24);
}

.contact__info-title {
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.contact__info-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-8);
}

.contact__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.contact__link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

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

.contact__link-icon {
  width: 2.25rem;
  height: 2.25rem;
  background: var(--color-surface-offset);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-text-muted);
  transition:
    background var(--transition-interactive),
    color var(--transition-interactive);
}

.contact__link:hover .contact__link-icon {
  background: var(--color-primary-highlight);
  color: var(--color-primary);
}

/* Form */
.contact__form {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text);
  outline: none;
  transition:
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-highlight);
}

.form-textarea {
  resize: vertical;
  min-height: 8rem;
  line-height: 1.6;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-submit {
  width: 100%;
  padding: 0.875rem 1.5rem;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  font-weight: 700;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  letter-spacing: 0.02em;
  margin-top: var(--space-2);
  transition:
    background var(--transition-interactive),
    transform var(--transition-interactive);
}

.form-submit:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}

.form-success {
  display: none;
  text-align: center;
  padding: var(--space-8);
  color: var(--color-primary);
  font-size: var(--text-base);
  font-weight: 600;
}

@media (max-width: 768px) {
  .contact__inner {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .contact__info {
    position: static;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ===========================
   FOOTER
   =========================== */

.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  padding: var(--space-12) var(--space-8) var(--space-8);
}

.footer__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-divider);
  margin-bottom: var(--space-6);
}

.footer__brand-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
}

.footer__brand-desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 28ch;
}

.footer__col-title {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  list-style: none;
}

.footer__links a {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

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

.footer__bottom {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}

.footer__copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.footer__socials {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-faint);
  transition: color var(--transition-interactive);
}

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

@media (max-width: 768px) {
  .footer__inner {
    grid-template-columns: 1fr 1fr;
  }

  .footer__brand {
    grid-column: span 2;
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .footer__inner {
    grid-template-columns: 1fr;
  }

  .footer__brand {
    grid-column: auto;
  }
}

/* ===========================
   ANIMATIONS
   =========================== */

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-up {
  animation: fadeUp 0.65s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.fade-up--delay-1 { animation-delay: 0.1s; }
.fade-up--delay-2 { animation-delay: 0.2s; }
.fade-up--delay-3 { animation-delay: 0.3s; }
.fade-up--delay-4 { animation-delay: 0.4s; }

/* Intersection Observer reveal */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===========================
   DIVIDER
   =========================== */

.divider {
  border: none;
  border-top: 1px solid var(--color-divider);
  margin: 0;
}

/* ===========================
   BLOG IMAGE PLACEHOLDERS
   =========================== */

.blog-img-placeholder {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  opacity: 0.4;
  font-size: var(--text-xl);
}

.blog-img-placeholder--science {
  background: linear-gradient(135deg, #d4e8f0, #a8cfe0);
  aspect-ratio: 4/3;
}

.blog-img-placeholder--coffee {
  background: linear-gradient(135deg, #e8d5b7, #c4a46e);
  aspect-ratio: 16/10;
}

.blog-img-placeholder--bio {
  background: linear-gradient(135deg, #d4e8d0, #9cc49a);
  aspect-ratio: 16/10;
}