@import url('colors_and_type.css');

/* ===================================================================
   Cassio Lima — site styles
   =================================================================== */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; min-height: 100vh; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
#app { min-height: 100vh; display: flex; flex-direction: column; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; }

/* ============ ATOMS ============ */
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--surface);
  color: var(--fg);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.04em;
  border: 1px solid var(--border-strong);
}
.pill-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--chloro-300); }
.pill-accent { background: rgba(95,184,147,0.10); color: var(--chloro-300); border-color: rgba(95,184,147,0.25); }
.pill-ghost  { background: transparent; color: var(--fg-muted); border-color: var(--rule); }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px;
  border-radius: 4px;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: -0.005em;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all 200ms var(--ease-out);
}
.btn-primary { background: var(--chloro-500); color: #fff; }
.btn-primary:hover { background: var(--chloro-400); box-shadow: 0 0 0 4px rgba(95,184,147,0.18); }
.btn-secondary { background: transparent; color: var(--fg-strong); border-color: var(--border-strong); }
.btn-secondary:hover { background: var(--surface); border-color: var(--chloro-300); color: var(--chloro-300); }
.btn-ghost { background: transparent; color: var(--fg); }
.btn-ghost:hover { background: var(--surface); }
.btn-glow { background: var(--biolum); color: var(--chloro-950); box-shadow: 0 0 24px rgba(125,240,192,0.35); }

.mono {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.micro-label {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: var(--space-3);
}
.micro-label.accent { color: var(--chloro-300); }
.micro-label.accent::before {
  content: ''; display: inline-block;
  width: 22px; height: 1px;
  background: var(--chloro-300);
  vertical-align: middle;
  margin-right: 12px;
  transform: translateY(-2px);
}

.hairline { height: 1px; background: var(--rule); width: 100%; }

/* ============ LAYOUT ============ */
.shell { max-width: 1180px; margin: 0 auto; padding: 0 32px; }

/* ============ NAV ============ */
.nav {
  display: flex; align-items: center; gap: 32px;
  padding: 22px 32px;
  border-bottom: 1px solid var(--rule);
  position: sticky; top: 0;
  background: rgba(10, 31, 26, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 10;
}
.nav-brand {
  display: flex; align-items: center; gap: 12px;
  color: var(--chloro-300);
  text-decoration: none;
}
.nav-brand-text { display: flex; flex-direction: column; gap: 2px; line-height: 1; }
.nav-name {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 400;
  color: var(--fg-strong);
  letter-spacing: -0.01em;
}
.nav-tag {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 9.5px;
  letter-spacing: 0.18em;
  color: var(--fg-muted);
}
.nav-links {
  display: flex; gap: 28px;
  margin-left: auto;
}
.nav-link {
  color: var(--fg);
  text-decoration: none;
  font-size: 14px;
  opacity: 0.65;
  transition: all 150ms;
  position: relative;
  padding-bottom: 4px;
}
.nav-link:hover { opacity: 1; color: var(--chloro-300); }
.nav-link.active {
  opacity: 1;
  color: var(--chloro-300);
  border-bottom: 1px solid var(--chloro-300);
}
.nav-meta {
  display: flex; align-items: center; gap: 8px;
  padding-left: 24px;
  border-left: 1px solid var(--rule);
}
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--chloro-300);
  box-shadow: 0 0 10px rgba(95,184,147,0.7);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

/* ============ HERO ============ */
.hero {
  padding: 96px 32px 64px;
  max-width: 1180px;
  margin: 0 auto;
  position: relative;
}
.hero-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 80px; align-items: start; }
.hero-text { display: flex; flex-direction: column; gap: var(--space-5); }
.hero-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(3rem, 6.5vw, 5.5rem);
  line-height: 1.02;
  letter-spacing: -0.025em;
  color: var(--fg-strong);
  font-variation-settings: "opsz" 144, "SOFT" 30;
  margin: 0;
}
.hero-title em {
  font-style: italic;
  color: var(--chloro-300);
  font-weight: 400;
}
.hero-blurb {
  font-size: 18px;
  line-height: 1.65;
  color: var(--fg);
  max-width: 52ch;
}
.hero-ctas { display: flex; gap: 12px; margin-top: var(--space-3); }
.hero-stats {
  display: grid; grid-template-columns: repeat(3, max-content);
  gap: 48px;
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--rule);
}
.stat-v {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 400;
  color: var(--chloro-300);
  line-height: 1;
  letter-spacing: -0.02em;
}
.stat-k {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-top: 6px;
}

.hero-aside { position: relative; padding-top: 24px; display: flex; flex-direction: column; gap: 20px; }
.hero-aside-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px 22px;
  width: 100%;
  display: flex; flex-direction: column; gap: 8px;
}
.hero-aside-card p {
  font-size: 14px;
  line-height: 1.55;
  margin: 0;
  color: var(--fg);
}

/* Hero figure panel — stylized scientific figure */
.figure-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 18px 14px;
  width: 100%;
  display: flex; flex-direction: column; gap: 10px;
}
.figure-head { display: flex; align-items: baseline; gap: 10px; padding-bottom: 8px; border-bottom: 1px solid var(--rule); }
.figure-tag {
  font-family: var(--font-mono); font-weight: 600;
  font-size: 10px; letter-spacing: 0.18em;
  color: var(--chloro-300);
}
.figure-cap {
  font-family: var(--font-serif); font-style: italic;
  font-size: 12px;
  color: var(--fg-muted);
  line-height: 1.3;
}
.figure-svg { width: 100%; height: auto; display: block; }
.figure-foot {
  display: flex; justify-content: space-between;
  font-family: var(--font-mono); font-weight: 500;
  font-size: 9.5px; letter-spacing: 0.10em;
  color: var(--fg-subtle);
  padding-top: 4px;
}

/* ============ BLOCKS ============ */
.block { max-width: 1180px; margin: 0 auto; padding: 96px 32px 32px; }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: var(--space-6); }
.section-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--fg-strong);
  margin: 0;
}
.section-more {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--chloro-300);
  display: inline-flex; align-items: center; gap: 6px;
  cursor: pointer;
  text-decoration: none;
}
.section-more:hover { color: var(--biolum); }

/* ============ SELECTED WORK ============ */
.work-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.work-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px;
  display: flex; flex-direction: column; gap: 14px;
  transition: all 200ms var(--ease-out);
}
.work-card:hover {
  border-color: rgba(95,184,147,0.4);
  background: var(--surface-hi);
  transform: translateY(-2px);
}
.work-card:hover .work-arrow { color: var(--chloro-300); transform: translate(2px,-2px); }
.work-card-head { display: flex; align-items: baseline; gap: 12px; }
.work-venue {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--chloro-300);
}
.work-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--fg-strong);
  margin: 0;
}
.work-blurb { font-size: 14.5px; line-height: 1.6; color: var(--fg); margin: 0; }
.work-foot { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-top: auto; }
.work-arrow {
  margin-left: auto;
  color: var(--fg-muted);
  transition: all 200ms var(--ease-out);
}

/* ============ ABOUT STRIP ============ */
.about-strip { padding-top: 64px; padding-bottom: 64px; }
.about-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 80px;
  padding-top: 48px;
  border-top: 1px solid var(--rule);
}
.about-lede {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 400;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--fg-strong);
  margin: 0 0 var(--space-5);
}
.about-lede em { font-style: italic; color: var(--chloro-300); }
.about-body { font-size: 15.5px; line-height: 1.7; color: var(--fg); margin: 0; }
.about-body em { font-style: italic; color: var(--chloro-300); }
.about-side { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--space-4); }
.about-side li { display: grid; grid-template-columns: 110px 1fr; gap: 12px; font-size: 14px; color: var(--fg); align-items: baseline; padding-bottom: var(--space-3); border-bottom: 1px solid var(--rule); }

/* ============ PAGE HEAD (papers, cv, contact) ============ */
.page-head { max-width: 1180px; margin: 0 auto; padding: 80px 32px 40px; border-bottom: 1px solid var(--rule); }
.page-head h1 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--fg-strong);
  margin: 16px 0 12px;
  font-variation-settings: "opsz" 144, "SOFT" 30;
}
.page-head h1 em { font-style: italic; color: var(--chloro-300); }
.page-head p { font-size: 17px; line-height: 1.55; color: var(--fg-muted); max-width: 60ch; margin: 0; }
.page-head-actions { display: flex; gap: 12px; margin-top: var(--space-5); }

/* ============ PAPERS ============ */
.filter-bar { max-width: 1180px; margin: 32px auto 0; padding: 0 32px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.chip {
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--fg);
  padding: 5px 12px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all 150ms;
}
.chip:hover { border-color: var(--chloro-300); color: var(--chloro-300); }
.chip.active { background: var(--chloro-500); border-color: var(--chloro-500); color: white; }

.paper-list { list-style: none; max-width: 1180px; margin: 24px auto 0; padding: 0 32px; }
.paper-row {
  display: grid;
  grid-template-columns: 80px 1fr 140px;
  gap: 32px;
  padding: 28px 0;
  border-top: 1px solid var(--rule);
  align-items: start;
}
.paper-row:hover { background: rgba(95,184,147,0.03); }
.paper-year { padding-top: 4px; }
.paper-venue {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--chloro-300);
  margin-bottom: 10px;
}
.paper-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 24px;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--fg-strong);
  margin: 0 0 8px;
}
.paper-authors {
  font-size: 14px;
  color: var(--fg-muted);
  margin-bottom: 12px;
}
.paper-authors .me { color: var(--fg-strong); font-weight: 600; font-style: italic; }
.paper-meta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.paper-actions { display: flex; flex-direction: column; gap: 8px; padding-top: 4px; }
.paper-actions a {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--chloro-300);
  text-decoration: none;
  cursor: pointer;
}
.paper-actions a:hover { color: var(--biolum); }
.paper-note {
  max-width: 1180px;
  margin: 32px auto 96px;
  padding: 24px 32px;
  display: flex; gap: 12px;
  align-items: flex-start;
  background: var(--surface);
  border-left: 2px solid var(--chloro-300);
  border-radius: 0 6px 6px 0;
}
.paper-note p { margin: 0; font-size: 14px; line-height: 1.55; color: var(--fg); }
.paper-note p a { color: var(--chloro-300); }

/* ============ CV ============ */
.cv-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 64px; }
.timeline { display: flex; flex-direction: column; gap: 36px; }
.tl-item { display: grid; grid-template-columns: 16px 1fr; gap: 18px; }
.tl-rail { position: relative; padding-top: 8px; }
.tl-rail::after { content: ''; position: absolute; top: 18px; bottom: -36px; left: 7px; width: 1px; background: var(--rule); }
.tl-item:last-child .tl-rail::after { display: none; }
.tl-dot { width: 14px; height: 14px; border-radius: 50%; background: var(--bg); border: 2px solid var(--chloro-500); }
.tl-item:first-child .tl-dot { background: var(--chloro-300); border-color: var(--chloro-300); box-shadow: 0 0 12px rgba(95,184,147,0.55); }
.tl-body header { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; }
.tl-role {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--fg-strong);
  margin: 4px 0 0;
}
.tl-org { font-size: 13.5px; color: var(--fg-muted); }
.tl-org span { opacity: 0.45; }
.tl-bullets { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.tl-bullets li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--fg);
}
.tl-bullets li::before {
  content: ''; position: absolute; left: 0; top: 10px;
  width: 6px; height: 1px;
  background: var(--chloro-300);
}

.edu-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 20px; }
.edu-list li { display: grid; grid-template-columns: 120px 1fr; gap: 18px; padding-bottom: 16px; border-bottom: 1px solid var(--rule); }
.edu-deg { font-family: var(--font-serif); font-size: 17px; color: var(--fg-strong); }
.edu-org { font-size: 13px; color: var(--fg-muted); margin-top: 2px; }
.edu-org span { opacity: 0.4; }

.cv-aside { display: flex; flex-direction: column; gap: 28px; }
.skill-groups { display: flex; flex-direction: column; gap: 18px; margin-bottom: var(--space-6); }
.skill-group h4 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 13px;
  color: var(--fg-strong);
  margin: 0 0 8px;
}
.skill-items { display: flex; flex-wrap: wrap; gap: 5px; }
.cert-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; font-size: 13.5px; color: var(--fg); }
.cert-list li { display: flex; align-items: center; gap: 10px; }
.cert-list svg { color: var(--chloro-300); }

/* ============ CONTACT ============ */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 64px; }
.contact-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  display: flex; flex-direction: column; gap: 12px;
  color: var(--chloro-300);
  text-decoration: none;
  transition: all 200ms;
}
.contact-card:hover { background: var(--surface-hi); border-color: rgba(95,184,147,0.4); }
.contact-card .contact-k {
  font-family: var(--font-mono); font-weight: 500;
  font-size: 10.5px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--fg-muted);
  margin-top: 4px;
}
.contact-card .contact-v { font-size: 16px; color: var(--fg-strong); font-family: var(--font-serif); letter-spacing: -0.01em; }
.contact-arrow { position: absolute; top: 24px; right: 24px; color: var(--fg-muted); transition: all 200ms; }
.contact-card:hover .contact-arrow { color: var(--chloro-300); transform: translate(2px,-2px); }

.contact-form-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; padding-bottom: 96px; padding-top: 32px; border-top: 1px solid var(--rule); }
.form-title { font-family: var(--font-serif); font-weight: 400; font-size: 28px; letter-spacing: -0.015em; color: var(--fg-strong); margin: 0 0 8px; }
.form-blurb { font-size: 15px; line-height: 1.55; color: var(--fg-muted); margin: 0 0 24px; }
.form-availability { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; font-size: 14px; color: var(--fg); }
.form-availability li { display: flex; align-items: center; gap: 10px; }
.form-availability svg { color: var(--chloro-300); }

.form { display: flex; flex-direction: column; gap: 18px; }
.form label { display: flex; flex-direction: column; gap: 6px; }
.form label span {
  font-family: var(--font-mono); font-weight: 500;
  font-size: 10.5px; letter-spacing: 0.18em;
  color: var(--fg-muted);
}
.form input, .form select, .form textarea {
  width: 100%;
  padding: 11px 14px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  color: var(--fg-strong);
  font-size: 14.5px;
  outline: none;
  transition: all 150ms;
}
.form input:focus, .form select:focus, .form textarea:focus {
  border-color: var(--chloro-300);
  box-shadow: 0 0 0 3px rgba(95,184,147,0.18);
}
.form textarea { resize: vertical; min-height: 90px; font-family: var(--font-sans); }
.form .btn { align-self: flex-start; margin-top: 4px; }

/* ============ FOOTER ============ */
.footer {
  margin-top: auto;
  padding: 64px 32px 32px;
  background: var(--bg-deep);
  border-top: 1px solid var(--rule);
}
.footer-grid {
  max-width: 1180px; margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--rule);
}
.footer-brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-serif); font-size: 18px; color: var(--chloro-300); margin-bottom: 12px; }
.footer-blurb { font-size: 14px; line-height: 1.6; color: var(--fg-muted); margin: 0; max-width: 38ch; }
.footer-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; font-size: 13.5px; }
.footer-list a {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--fg);
  text-decoration: none;
}
.footer-list a:hover { color: var(--chloro-300); }
.footer-colophon { font-size: 13.5px; line-height: 1.6; color: var(--fg-muted); margin: 0; max-width: 32ch; }
.footer-bottom {
  max-width: 1180px; margin: 0 auto;
  padding-top: 24px;
  display: flex; justify-content: space-between;
}

/* ============ Responsive ============ */
@media (max-width: 880px) {
  .hero-grid, .work-grid, .about-grid, .cv-grid, .contact-grid, .contact-form-wrap, .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .paper-row { grid-template-columns: 60px 1fr; }
  .paper-actions { grid-column: 2; flex-direction: row; padding-top: 0; }
  .nav-links { display: none; }
}