/* ============================================================
   MARTA MASSAIA — Academic Portfolio
   Aesthetic: Clean · Minimal · Violet tones
   ============================================================ */

/* ---------- TOKENS ---------- */
:root {
  --cream:       #f4f2f8;
  --ink:         #1c1a24;
  --ink-soft:    #3a3650;
  --ink-muted:   #7a748f;
  --accent:      #6b4fa0;
  --accent-soft: #9b7ecb;
  --line:        #d4cfe4;
  --line-light:  #e5e1f0;
  --white:       #faf9fc;
  --section-bg:  #edeaf5;

  --serif:   'Georgia', serif;
  --sans:    'Inter', 'Segoe UI', sans-serif;
  --mono:    'DM Mono', monospace;

  --nav-h:   64px;
  --max-w:   1160px;
  --gap:     clamp(2rem, 5vw, 5rem);
}

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ol { list-style: none; }

/* ---------- NAVBAR ---------- */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background 0.35s, box-shadow 0.35s;
}
#navbar.scrolled {
  background: rgba(244, 242, 248, 0.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--line);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.nav-logo {
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--ink);
}
.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}
.nav-links a {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  position: relative;
  transition: color 0.2s;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 0.3s;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
}
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--ink);
  transition: transform 0.3s;
}

/* ---------- SECTION SHELL ---------- */
section {
  padding: calc(var(--nav-h) + var(--gap)) clamp(1.5rem, 4vw, 3rem) var(--gap);
}
section:nth-child(even) { background: var(--section-bg); }
.section-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.section-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}
.section-heading {
  font-family: var(--sans);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 300;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: 2.5rem;
}
.section-heading em {
  font-style: normal;
  font-weight: 500;
  color: var(--accent);
}

/* ---------- HOME ---------- */
#home {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--nav-h);
  background: var(--cream);
  position: relative;
  overflow: hidden;
}
#home::before {
  content: 'linguistics';
  position: absolute;
  right: -2vw; bottom: 8vh;
  font-family: var(--sans);
  font-size: clamp(8rem, 18vw, 18rem);
  font-weight: 700;
  color: rgba(107, 79, 160, 0.05);
  pointer-events: none;
  white-space: nowrap;
  line-height: 1;
  user-select: none;
}
.home-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
  display: flex;
  align-items: center;
  gap: clamp(3rem, 7vw, 7rem);
}
.home-photo-wrap {
  position: relative;
  flex-shrink: 0;
}
.home-photo-placeholder {
  width: clamp(140px, 18vw, 220px);
  height: clamp(140px, 18vw, 220px);
  border-radius: 50%;
  background: linear-gradient(135deg, var(--line) 0%, var(--line-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}
.home-photo-placeholder span {
  font-family: var(--sans);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 300;
  color: var(--ink-muted);
}
.home-photo-placeholder img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 50%;
}
.home-photo-frame {
  position: absolute;
  top: 10px; left: 10px;
  width: 100%; height: 100%;
  border-radius: 50%;
  border: 1.5px solid var(--accent-soft);
  opacity: 0.5;
  z-index: 0;
}
.home-text { flex: 1; }
.home-greeting {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.4rem;
}
.home-name {
  font-family: var(--sans);
  font-size: clamp(2rem, 5vw, 3.8rem);
  font-weight: 300;
  line-height: 1.15;
  color: var(--ink);
  margin-bottom: 0.8rem;
}
.home-name em {
  font-style: normal;
  font-weight: 500;
  color: var(--accent);
}
.home-tagline {
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  margin-bottom: 1.6rem;
}
.home-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.2rem;
}
.home-pills span {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--ink-soft);
  background: rgba(255,255,255,0.5);
}
.home-cta {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 2px;
  transition: letter-spacing 0.3s;
}
.home-cta:hover { letter-spacing: 0.2em; }
.home-scroll-line {
  position: absolute;
  bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  width: 1px; height: 60px;
  background: linear-gradient(to bottom, transparent, var(--line));
}

/* ---------- ABOUT ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--gap);
  align-items: start;
}
.about-left .section-heading { margin-bottom: 0; }
.about-right p {
  color: var(--ink-soft);
  margin-bottom: 1.1rem;
  font-size: 1rem;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s, transform 0.5s;
}
.about-right p.visible { opacity: 1; transform: none; }
.about-right p strong { font-weight: 500; color: var(--ink); }
.about-lead {
  font-family: var(--sans);
  font-size: 1.1rem !important;
  font-weight: 400;
  color: var(--ink) !important;
  line-height: 1.7;
}
.about-facts {
  display: flex;
  gap: 2.5rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}
.fact {
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s, transform 0.5s;
}
.fact.visible { opacity: 1; transform: none; }
.fact-num {
  font-family: var(--sans);
  font-size: 2.2rem;
  font-weight: 300;
  color: var(--accent);
  line-height: 1;
}
.fact-label {
  font-size: 0.75rem;
  color: var(--ink-muted);
  letter-spacing: 0.05em;
  margin-top: 0.3rem;
}

/* ---------- PUBLICATIONS ---------- */
.pub-header { margin-bottom: 1rem; }
.pub-group { margin-bottom: 3.5rem; }
.pub-group-title {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 1.2rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--line);
}
.pub-list { display: flex; flex-direction: column; gap: 0; }
.pub-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 1.5rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--line-light);
  align-items: start;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.45s, transform 0.45s;
}
.pub-item.visible { opacity: 1; transform: none; }
.pub-item:last-child { border-bottom: none; }
.pub-year {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  padding-top: 0.15rem;
}
.pub-title {
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 0.25rem;
  line-height: 1.5;
}
.pub-meta {
  font-size: 0.82rem;
  color: var(--ink-muted);
  line-height: 1.5;
}

/* ---------- TALKS ---------- */
#talks .section-heading { margin-bottom: 2.5rem; }
.talks-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
}
.talks-group-title {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 1.8rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--line);
}
.talk-timeline { display: flex; flex-direction: column; gap: 0; }
.talk-item {
  display: grid;
  grid-template-columns: 50px 1fr;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line-light);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.45s, transform 0.45s;
}
.talk-item.visible { opacity: 1; transform: none; }
.talk-item:last-child { border-bottom: none; }
.talk-year {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--accent);
  padding-top: 0.2rem;
  letter-spacing: 0.04em;
}
.talk-title {
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 0.2rem;
  line-height: 1.5;
}
.talk-venue {
  font-size: 0.78rem;
  color: var(--ink-muted);
  line-height: 1.4;
}
/* ---------- NEWS ---------- */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 2rem;
}

.news-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 2rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--line-light);
}

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

.news-date {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  padding-top: 0.2rem;
}

.news-text {
  font-size: 0.95rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

.news-text em {
  color: var(--ink);
}
/* ---------- CONTACT ---------- */
#contact { background: var(--ink); color: var(--cream); }
#contact .section-label { color: var(--accent-soft); }
#contact .section-heading { color: var(--cream); }
#contact .section-heading em { color: var(--accent-soft); font-style: normal; font-weight: 500; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--gap);
  align-items: start;
}
.contact-intro {
  color: rgba(245, 241, 235, 0.65);
  font-size: 1rem;
  max-width: 32ch;
  line-height: 1.7;
}
.contact-right {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.contact-item {
  padding: 1.4rem 0;
  border-bottom: 1px solid rgba(245, 241, 235, 0.1);
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1rem;
  align-items: start;
}
.contact-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(245, 241, 235, 0.4);
  padding-top: 0.2rem;
}
.contact-value {
  font-size: 0.95rem;
  color: var(--cream);
  line-height: 1.6;
}
a.contact-value {
  color: var(--accent-soft);
  transition: color 0.2s;
}
a.contact-value:hover { color: var(--cream); }
.contact-divider {
  height: 1.5rem;
}
.cv-download-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--cream);
  padding: 0.75rem 1.5rem;
  border: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.cv-download-btn:hover {
  background: var(--accent-soft);
  color: var(--cream);
}
.site-footer {
  max-width: var(--max-w);
  margin: 3rem auto 0;
  padding: 1.5rem clamp(1.5rem, 4vw, 3rem) 0;
  border-top: 1px solid rgba(245, 241, 235, 0.1);
  font-size: 0.72rem;
  font-family: var(--mono);
  letter-spacing: 0.08em;
  color: rgba(245, 241, 235, 0.3);
}
/* ---------- INLINE LINKS ---------- */
.about-right a,
.pub-title a,
.pub-meta a,
.talk-body a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition:
    color 0.2s ease,
    border-color 0.2s ease,
    opacity 0.2s ease;
}
.news-text a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition:
    color 0.2s ease,
    border-color 0.2s ease,
    opacity 0.2s ease;
}
.about-right a:hover,
.pub-title a:hover,
.pub-meta a:hover,
.talk-body a:hover {
  color: var(--accent-soft);
  border-bottom-color: var(--accent-soft);
}
.news-text a:hover {
  color: var(--accent-soft);
  border-bottom-color: var(--accent-soft);
}
/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
  .talks-columns { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-intro { max-width: none; }
}

@media (max-width: 680px) {
  .home-inner {
    flex-direction: column;
    text-align: center;
    padding-top: 3rem;
  }
  .home-pills { justify-content: center; }
  .about-facts { gap: 1.5rem; }
  .pub-item { grid-template-columns: 70px 1fr; }
  .contact-item { grid-template-columns: 1fr; gap: 0.3rem; }
   .news-item {
  grid-template-columns: 1fr;
  gap: 0.4rem;
}
  .nav-links {
    display: none;
    flex-direction: column;
    gap: 0;
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    background: rgba(244, 242, 248, 0.98);
    backdrop-filter: blur(12px);
    padding: 1rem 0 1.5rem;
    border-bottom: 1px solid var(--line);
  }
  .nav-links.open { display: flex; }
  .nav-links li { text-align: center; }
  .nav-links a {
    display: block;
    padding: 0.9rem 2rem;
    font-size: 0.82rem;
  }
  .nav-hamburger { display: flex; }
}