/* ==========================================================================
   Laura Marie-Louise — Academic Elegance
   ========================================================================== */

/* --- Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Inter:wght@300;400;500;600&display=swap');

/* --- Variables --- */
:root {
  --color-bg: #FAFAF7;
  --color-bg-alt: #F0EFEB;
  --color-text: #1A1A2E;
  --color-text-light: #4A4A5A;
  --color-text-muted: #8A8A9A;
  --color-teal: #2A7F7F;
  --color-teal-light: #E8F4F4;
  --color-teal-dark: #1D5C5C;
  --color-accent-warm: #C4956A;
  --color-white: #FFFFFF;
  --color-border: #E0DFD8;
  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 1100px;
  --max-width-narrow: 780px;
  --transition: 0.3s ease;
}

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

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

body {
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
}

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

a {
  color: var(--color-teal);
  text-decoration: none;
  transition: color var(--transition);
}

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

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-text);
}

h1 { font-size: 2.8rem; }
h2 { font-size: 2rem; margin-bottom: 1rem; }
h3 { font-size: 1.4rem; margin-bottom: 0.75rem; }
h4 { font-size: 1.15rem; }

p {
  margin-bottom: 1.2rem;
  color: var(--color-text-light);
}

.lead {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--color-text-light);
}

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

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

section {
  padding: 5rem 0;
}

/* --- Header / Nav --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 250, 247, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav__logo {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.nav__logo:hover {
  color: var(--color-teal);
}

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

.nav__links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-light);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  position: relative;
}

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

.nav__links a:hover,
.nav__links a.active {
  color: var(--color-teal);
}

.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 {
  padding: 10rem 0 6rem;
  text-align: center;
}

.hero__subtitle {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-teal);
  margin-bottom: 1.5rem;
}

.hero h1 {
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero h1 em {
  font-style: italic;
  color: var(--color-teal);
}

.hero .lead {
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

.hero__cta {
  display: inline-flex;
  gap: 1rem;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}

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

.btn--primary:hover {
  background: var(--color-teal-dark);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(42, 127, 127, 0.3);
}

.btn--outline {
  background: transparent;
  color: var(--color-teal);
  border: 1.5px solid var(--color-teal);
}

.btn--outline:hover {
  background: var(--color-teal);
  color: var(--color-white);
  transform: translateY(-1px);
}

/* --- About Section --- */
.about {
  background: var(--color-white);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: center;
}

.about__image {
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 3 / 4;
  background: var(--color-bg-alt);
}

.about__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about__content h2 {
  margin-bottom: 1.5rem;
}

.credentials {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.credential-tag {
  display: inline-block;
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
  font-weight: 500;
  background: var(--color-teal-light);
  color: var(--color-teal-dark);
  border-radius: 100px;
  letter-spacing: 0.02em;
}

/* --- Philosophy Section --- */
.philosophy__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-top: 3rem;
}

.philosophy-card {
  padding: 2.5rem 2rem;
  background: var(--color-white);
  border-radius: 8px;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.philosophy-card:hover {
  border-color: var(--color-teal);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
  transform: translateY(-2px);
}

.philosophy-card__icon {
  font-size: 1.8rem;
  margin-bottom: 1.2rem;
}

.philosophy-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
}

.philosophy-card p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

/* --- Blog / Articles --- */
.blog {
  background: var(--color-white);
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-header p {
  max-width: 550px;
  margin: 0.75rem auto 0;
}

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

.article-card {
  border-radius: 8px;
  overflow: hidden;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.article-card:hover {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
  transform: translateY(-3px);
}

.article-card__image {
  aspect-ratio: 16 / 10;
  background: var(--color-bg-alt);
  overflow: hidden;
}

.article-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.article-card:hover .article-card__image img {
  transform: scale(1.03);
}

.article-card__body {
  padding: 1.5rem;
}

.article-card__date {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.article-card__body h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  line-height: 1.35;
}

.article-card__body h3 a {
  color: var(--color-text);
}

.article-card__body h3 a:hover {
  color: var(--color-teal);
}

.article-card__excerpt {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

/* --- Resources --- */
.resources__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.resource-card {
  padding: 2rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  transition: all var(--transition);
}

.resource-card:hover {
  border-color: var(--color-teal);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.resource-card h3 a {
  color: var(--color-text);
}

.resource-card h3 a:hover {
  color: var(--color-teal);
}

.resource-card p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

/* --- CV Section --- */
.cv-section {
  background: var(--color-white);
  text-align: center;
}

.cv-section .lead {
  margin-bottom: 2rem;
}

.timeline {
  max-width: 650px;
  margin: 3rem auto 0;
  text-align: left;
}

.timeline-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1.5rem;
  padding-bottom: 2rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}

.timeline-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.timeline-item__date {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-teal);
  padding-top: 0.15rem;
}

.timeline-item h4 {
  margin-bottom: 0.25rem;
}

.timeline-item p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* --- Contact --- */
.contact {
  text-align: center;
}

.contact .lead {
  margin-bottom: 2.5rem;
}

.contact__email {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--color-teal);
  font-weight: 600;
}

.contact__email:hover {
  color: var(--color-teal-dark);
}

/* --- Footer --- */
.site-footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.site-footer p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

/* --- Blog Article Page --- */
.article-hero {
  width: 100%;
  height: 360px;
  margin-top: 72px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.article-hero + .article-header {
  padding-top: 3rem;
}

.article-header {
  padding: 9rem 0 3rem;
  text-align: center;
}

.article-header__date {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.article-header h1 {
  font-size: 2.4rem;
  max-width: 700px;
  margin: 0 auto 1.5rem;
}

.article-header .lead {
  max-width: 600px;
  margin: 0 auto;
}

.article-content {
  padding-bottom: 5rem;
}

.article-content p {
  font-size: 1.05rem;
  line-height: 1.85;
  margin-bottom: 1.5rem;
}

.article-content h2 {
  margin-top: 3rem;
  margin-bottom: 1rem;
  font-size: 1.6rem;
}

.article-content blockquote {
  border-left: 3px solid var(--color-teal);
  padding: 1rem 0 1rem 1.5rem;
  margin: 2rem 0;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--color-text-light);
}

.article-content ul, .article-content ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.article-content li {
  margin-bottom: 0.5rem;
  color: var(--color-text-light);
}

/* --- Responsive --- */
@media (max-width: 900px) {
  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.7rem; }
  section { padding: 4rem 0; }

  .about__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about__image {
    max-width: 400px;
    margin: 0 auto;
  }

  .philosophy__grid,
  .blog__grid,
  .resources__grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

@media (max-width: 640px) {
  html { font-size: 15px; }
  h1 { font-size: 1.9rem; }
  .hero { padding: 8rem 0 4rem; }
  .article-hero { height: 220px; }
  .container { padding: 0 1.25rem; }
  .container--narrow { padding: 0 1.25rem; }

  .nav__links { display: none; }
  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 1.5rem 2rem;
    gap: 1rem;
  }
  .nav__toggle { display: block; }

  .hero__cta {
    flex-direction: column;
    align-items: center;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .blog__grid {
    grid-template-columns: 1fr;
  }

  .contact__email {
    font-size: 1.2rem;
  }
}