/* ============================================================
   Hugo Vicente — personal site
   Design language: "ink, paper & copper"
   Editorial layout · Instrument Serif display · Inter text ·
   JetBrains Mono meta · one copper accent used with intent
   ============================================================ */

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('fonts/inter-var.woff2') format('woff2');
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url('fonts/jetbrainsmono-var.woff2') format('woff2');
}
@font-face {
  font-family: 'Instrument Serif';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/instrumentserif-regular.woff2') format('woff2');
}
@font-face {
  font-family: 'Instrument Serif';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/instrumentserif-italic.woff2') format('woff2');
}

/* ---------- Tokens ---------- */
:root {
  --bg: #faf8f4;
  --bg-soft: #f2eee6;
  --surface: #fdfcf9;
  --fg: #1c1a16;
  --fg-soft: #4a463e;
  --muted: #7d776b;
  --line: #e7e2d6;
  --line-strong: #d3cbbb;
  --accent: #b45309;
  --accent-strong: #8f4108;
  --invert-bg: #1c1a16;
  --invert-fg: #faf8f4;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-display: 'Instrument Serif', 'Iowan Old Style', Georgia, 'Times New Roman', serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --container: 1140px;
  --pad: clamp(1.25rem, 5vw, 2.5rem);
  --radius: 12px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --t-fast: 0.18s;
  --t-med: 0.4s;
  --header-h: 68px;
}

[data-theme='dark'] {
  --bg: #100f0d;
  --bg-soft: #181613;
  --surface: #161412;
  --fg: #ece7dc;
  --fg-soft: #c7c0b1;
  --muted: #8f897a;
  --line: #272420;
  --line-strong: #3b362d;
  --accent: #e09a47;
  --accent-strong: #ecb775;
  --invert-bg: #ece7dc;
  --invert-fg: #100f0d;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html {
  background: var(--bg);
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  -webkit-text-size-adjust: 100%;
}
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background var(--t-med) var(--ease), color var(--t-med) var(--ease);
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }
ul, ol { list-style: none; padding: 0; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
::selection { background: var(--accent); color: var(--bg); }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding-inline: var(--pad); }

/* Serif-italic accent words inside running text */
.si {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 1.08em;
  line-height: 1;
}

.section { padding-block: clamp(4.5rem, 11vw, 8rem); border-top: 1px solid var(--line); }

.section-head {
  display: flex;
  align-items: baseline;
  gap: 1.1rem;
  margin-bottom: clamp(2.25rem, 5vw, 3.5rem);
}
.section-head::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--line);
  transform: translateY(-0.45em);
}
.section-index {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.08em;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 5.5vw, 3.4rem);
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1;
}

.skip-link {
  position: fixed;
  top: -100px;
  left: 1rem;
  z-index: 200;
  background: var(--fg);
  color: var(--bg);
  padding: 0.6rem 1rem;
  border-radius: 8px;
  transition: top var(--t-fast) var(--ease);
}
.skip-link:focus { top: 1rem; }

.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: var(--accent);
  z-index: 120;
  transition: width 0.1s linear;
}

/* ---------- Background atmosphere ---------- */
.bg-canvas {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  overflow: hidden; background: var(--bg);
}
.bg-grain {
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 160px 160px;
  opacity: 0.05;
  mix-blend-mode: multiply;
}
[data-theme='dark'] .bg-grain { opacity: 0.07; mix-blend-mode: screen; }
.bg-glow {
  position: absolute; width: 65vmax; height: 65vmax; border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 7%, transparent), transparent 62%);
  opacity: 0.8; will-change: transform;
}
[data-theme='dark'] .bg-glow {
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 9%, transparent), transparent 62%);
}
.bg-glow-1 { top: -25%; left: -15%; animation: drift1 28s ease-in-out infinite; }
.bg-glow-2 { bottom: -30%; right: -20%; animation: drift2 34s ease-in-out infinite; }
.bg-spotlight {
  position: absolute; inset: 0;
  background: radial-gradient(520px circle at var(--gx, 50vw) var(--gy, 30vh),
              color-mix(in srgb, var(--accent) 7%, transparent), transparent 62%);
  opacity: 0; transition: opacity 0.45s var(--ease);
}
.has-spotlight .bg-spotlight { opacity: 1; }
@keyframes drift1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(12vw, 8vh) scale(1.12); }
}
@keyframes drift2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-10vw, -6vh) scale(1.1); }
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-med) var(--ease), background var(--t-med) var(--ease);
}
.site-header.scrolled { border-bottom-color: var(--line); }

.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }

.brand { display: flex; align-items: center; gap: 0.65rem; font-weight: 600; letter-spacing: -0.01em; }
.js .brand-name { opacity: 0; transform: translateY(5px); transition: opacity var(--t-med) var(--ease), transform var(--t-med) var(--ease); }
.js .site-header.past-hero .brand-name { opacity: 1; transform: none; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 36px; height: 36px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--fg);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0;
  padding-right: 2px;
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}
.brand:hover .brand-mark { border-color: var(--accent); color: var(--accent); transform: rotate(-8deg); }

.nav-links { display: flex; gap: 2rem; }
.nav-links a {
  position: relative;
  font-size: 0.92rem;
  color: var(--muted);
  padding: 0.25rem 0;
  transition: color var(--t-fast) var(--ease);
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--t-med) var(--ease);
}
.nav-links a:hover,
.nav-links a.active { color: var(--fg); }
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); transform-origin: left; }

.nav-actions { display: flex; align-items: center; gap: 0.75rem; }

.theme-toggle {
  display: grid;
  place-items: center;
  width: 38px; height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--fg);
  transition: border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}
.theme-toggle:hover { border-color: var(--accent); transform: translateY(-1px); }
.theme-toggle svg { fill: none; stroke: currentColor; stroke-width: 1.7; }
.theme-toggle .icon-moon { display: none; }
[data-theme='dark'] .theme-toggle .icon-sun { display: none; }
[data-theme='dark'] .theme-toggle .icon-moon { display: block; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  transition: transform var(--t-fast) var(--ease), background var(--t-fast) var(--ease),
              color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease),
              box-shadow var(--t-fast) var(--ease);
}
.btn-primary { background: var(--fg); color: var(--bg); }
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px -14px color-mix(in srgb, var(--fg) 60%, transparent);
}
.btn-ghost { border-color: var(--line-strong); color: var(--fg); }
.btn-ghost:hover { border-color: var(--accent); transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(0.97); }
.nav-actions .btn-ghost { padding: 0.5rem 1.1rem; }

.menu-toggle { display: none; flex-direction: column; gap: 5px; width: 38px; height: 38px; align-items: center; justify-content: center; border: 1px solid var(--line-strong); border-radius: 999px; }
.menu-toggle span { display: block; width: 16px; height: 1.6px; background: var(--fg); transition: transform var(--t-fast) var(--ease), opacity var(--t-fast) var(--ease); }
.menu-toggle[aria-expanded='true'] span:nth-child(1) { transform: translateY(6.6px) rotate(45deg); }
.menu-toggle[aria-expanded='true'] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded='true'] span:nth-child(3) { transform: translateY(-6.6px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  overflow: hidden;
}
.hero-inner {
  position: relative;
  padding-block: 3rem;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}
.hero-content { min-width: 0; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: clamp(1.4rem, 3vw, 2rem);
  padding: 0.5rem 1.05rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 70%, transparent);
  font-size: 0.88rem;
  color: var(--fg-soft);
  transition: border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}
.hero-badge strong { color: var(--fg); font-weight: 600; }
.hero-badge:hover { border-color: var(--accent); transform: translateY(-2px); }

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.4rem, 12vw, 8rem);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.01em;
  margin-bottom: 1.4rem;
}
.hero-title-line { display: block; overflow: hidden; padding-bottom: 0.12em; margin-bottom: -0.12em; }
.hero-title-inner { display: block; }
.js .hero-title-inner { transform: translateY(115%); transition: transform 0.95s var(--ease); }
.js .hero-title-line:nth-child(2) .hero-title-inner { transition-delay: 0.09s; }
.js.is-loaded .hero-title-inner { transform: none; }

.hero-role {
  font-size: clamp(1.05rem, 2.6vw, 1.4rem);
  font-weight: 500;
  letter-spacing: -0.015em;
  margin-bottom: 1.5rem;
  color: var(--fg-soft);
}
.hero-role-em { color: var(--muted); font-weight: 400; }

.hero-lead {
  max-width: 56ch;
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  color: var(--fg-soft);
  margin-bottom: 2.2rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.85rem; }

.hero-hint { display: none; margin-top: 2.2rem; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.02em; color: var(--muted); }
.hero-hint kbd { font-family: inherit; border: 1px solid var(--line-strong); border-radius: 5px; padding: 0.08rem 0.38rem; margin: 0 0.1rem; }
@media (hover: hover) and (pointer: fine) { .hero-hint { display: block; } }

.hero-portrait { display: flex; justify-content: center; }
.hero-portrait-frame {
  position: relative;
  width: 100%;
  max-width: 440px;
  aspect-ratio: 4 / 5;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-soft);
  box-shadow: 0 32px 64px -42px color-mix(in srgb, var(--fg) 55%, transparent);
}
.hero-portrait::before {
  content: '';
  position: absolute;
  width: min(440px, 100%);
  aspect-ratio: 4 / 5;
  border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
  border-radius: var(--radius);
  transform: translate(14px, 14px);
  pointer-events: none;
}
.hero-portrait { position: relative; }
.hero-portrait-frame picture,
.hero-portrait-frame img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 25%;
  filter: grayscale(1) contrast(1.02);
  transition: transform 0.9s var(--ease);
}
.hero-portrait-frame:hover img { transform: scale(1.035); }

@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .hero-inner {
      animation: heroExit linear both;
      animation-timeline: view();
      animation-range: exit 0% exit 70%;
    }
  }
}
@keyframes heroExit { to { opacity: 0.08; transform: translateY(-26px) scale(0.99); } }

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 1.6rem;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
}
.scroll-cue-line { width: 1px; height: 38px; background: linear-gradient(var(--muted), transparent); position: relative; overflow: hidden; }
.scroll-cue-line::after { content: ''; position: absolute; top: -50%; left: 0; width: 100%; height: 50%; background: var(--accent); animation: cue 1.8s var(--ease) infinite; }
@keyframes cue { 0% { top: -50%; } 100% { top: 120%; } }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.about-text .lead {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.3;
  margin-bottom: 1.4rem;
}
.about-text .lead strong { font-weight: 400; font-style: italic; color: var(--accent); }
.about-text p + p { margin-top: 1.1rem; color: var(--fg-soft); }

.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.stat { position: relative; background: var(--surface); padding: 1.4rem 1.2rem; }
.stat-line { display: flex; align-items: baseline; gap: 0.45rem; }
.stat-prefix { font-family: var(--font-mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); }
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5.5vw, 3.1rem);
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.stat-label { display: block; margin-top: 0.5rem; font-size: 0.82rem; color: var(--muted); line-height: 1.35; }
.stat-bar { display: block; height: 2px; margin-top: 0.95rem; background: var(--line); border-radius: 2px; overflow: hidden; }
.stat-bar::after { content: ''; display: block; height: 100%; width: 100%; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform 1.1s var(--ease); }
.about-stats.is-visible .stat-bar::after { transform: scaleX(1); }
.about-stats.is-visible .stat:nth-child(2) .stat-bar::after { transition-delay: 0.08s; }
.about-stats.is-visible .stat:nth-child(3) .stat-bar::after { transition-delay: 0.16s; }
.about-stats.is-visible .stat:nth-child(4) .stat-bar::after { transition-delay: 0.24s; }

/* ---------- Experience ---------- */
.timeline-wrap { position: relative; padding-left: clamp(1.1rem, 3.5vw, 1.9rem); }
.timeline-rail { position: absolute; left: 4px; top: 0.35rem; bottom: 0.35rem; width: 2px; background: var(--line); border-radius: 2px; }
.timeline-rail-fill { position: absolute; left: 0; top: 0; width: 100%; height: 0; background: var(--accent); border-radius: 2px; }
.timeline-dot { position: absolute; left: 5px; width: 11px; height: 11px; border-radius: 50%; background: var(--bg); border: 2px solid var(--line-strong); transform: translate(-50%, -50%); transition: border-color 0.35s var(--ease), background 0.35s var(--ease), transform 0.35s var(--ease); }
.timeline-dot.reached { border-color: var(--accent); background: var(--accent); transform: translate(-50%, -50%) scale(1.18); }

.timeline { position: relative; }
.timeline-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: clamp(1rem, 4vw, 3rem);
  padding-block: clamp(1.75rem, 4vw, 2.5rem);
  border-top: 1px solid var(--line);
  position: relative;
}
.timeline-item:first-child { border-top: none; padding-top: 0; }
.timeline-meta { display: flex; flex-direction: column; gap: 0.3rem; }
.timeline-date { font-family: var(--font-mono); font-size: 0.8rem; color: var(--fg); letter-spacing: -0.01em; }
.timeline-place { font-size: 0.85rem; color: var(--muted); }
.timeline-role {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.2vw, 1.8rem);
  font-weight: 400;
  letter-spacing: 0;
  display: flex; align-items: center; gap: 0.7rem; flex-wrap: wrap;
}
.timeline-org { color: var(--muted); font-weight: 500; margin-bottom: 0.9rem; }
.timeline-list { display: grid; gap: 0.55rem; }
.timeline-list li { position: relative; padding-left: 1.1rem; color: var(--fg-soft); font-size: 0.96rem; }
.timeline-list li::before { content: ''; position: absolute; left: 0; top: 0.7em; width: 5px; height: 5px; border-radius: 50%; background: color-mix(in srgb, var(--accent) 55%, var(--line-strong)); }
.tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  padding: 0.22rem 0.55rem;
  border: 1px solid color-mix(in srgb, var(--accent) 55%, transparent);
  border-radius: 999px;
  color: var(--accent);
  font-weight: 500;
}

/* ---------- Projects ---------- */
.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.project-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 1.7rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  min-height: 280px;
  transition: border-color var(--t-med) var(--ease), transform var(--t-med) var(--ease), box-shadow var(--t-med) var(--ease);
}
.project-card:hover {
  border-color: color-mix(in srgb, var(--accent) 60%, var(--line-strong));
  transform: translateY(-4px);
  box-shadow: 0 18px 44px -26px color-mix(in srgb, var(--fg) 45%, transparent);
}
.project-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.4rem; }
.project-num { font-family: var(--font-mono); font-size: 0.78rem; color: var(--accent); }
.project-arrow { font-family: var(--font-mono); font-size: 1.1rem; color: var(--muted); transition: transform var(--t-med) var(--ease), color var(--t-fast) var(--ease); }
.project-card:hover .project-arrow { transform: translate(3px, -3px); color: var(--accent); }
.project-title { font-family: var(--font-display); font-size: 1.55rem; font-weight: 400; letter-spacing: 0; margin-bottom: 0.7rem; }
.project-desc { font-size: 0.92rem; color: var(--fg-soft); line-height: 1.55; margin-bottom: 1.3rem; }
.project-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: auto; }
.project-tags li { font-family: var(--font-mono); font-size: 0.72rem; color: var(--muted); padding: 0.25rem 0.55rem; border: 1px solid var(--line); border-radius: 6px; }
.projects-more { margin-top: 2rem; font-family: var(--font-mono); font-size: 0.9rem; color: var(--muted); }
.projects-more a { color: var(--fg); border-bottom: 1px solid var(--line-strong); transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease); }
.projects-more a:hover { border-color: var(--accent); color: var(--accent); }

/* Pointer-following glow + border sheen on cards */
.project-card::before {
  content: ''; position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background: radial-gradient(220px circle at var(--cx, 50%) var(--cy, 50%),
              color-mix(in srgb, var(--accent) 7%, transparent), transparent 72%);
  opacity: 0; transition: opacity 0.4s var(--ease);
}
.project-card:hover::before { opacity: 1; }
.project-card::after {
  content: ''; position: absolute; inset: 0; pointer-events: none; z-index: 2;
  border-radius: var(--radius); padding: 1px;
  background: radial-gradient(280px circle at var(--cx, 50%) var(--cy, 50%),
              color-mix(in srgb, var(--accent) 55%, transparent), transparent 70%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0; transition: opacity 0.35s var(--ease);
}
.project-card:hover::after { opacity: 1; }
.project-card > * { position: relative; z-index: 1; }

.project-stats { font-family: var(--font-mono); font-size: 0.72rem; color: var(--muted); display: flex; align-items: center; flex-wrap: wrap; gap: 0.55rem 0.85rem; margin-top: 0.95rem; padding-top: 0.85rem; border-top: 1px solid var(--line); opacity: 0; transform: translateY(4px); transition: opacity 0.5s var(--ease), transform 0.5s var(--ease); }
.project-stats:empty { display: none; }
.project-stats.is-loaded { opacity: 1; transform: none; }
.gh-stat { display: inline-flex; align-items: center; gap: 0.3rem; }
.gh-stat svg { width: 12px; height: 12px; fill: currentColor; }
.gh-lang::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--lang-color, var(--fg-soft)); display: inline-block; margin-right: 0.1rem; }

/* ---------- Skills & education ---------- */
.skills-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(1.75rem, 4vw, 3rem) clamp(2rem, 6vw, 5rem); }
.skill-heading { font-family: var(--font-mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.09em; color: var(--muted); margin-bottom: 1rem; font-weight: 500; }
.skill-list { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.skill-list li {
  font-size: 0.9rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--fg-soft);
  background: color-mix(in srgb, var(--surface) 60%, transparent);
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}
.skill-list li:hover { border-color: var(--accent); color: var(--fg); transform: translateY(-2px); }
.education { display: flex; gap: 1.1rem; align-items: baseline; margin-top: clamp(3rem, 7vw, 5rem); padding-top: clamp(2rem, 5vw, 3rem); border-top: 1px solid var(--line); }
.education-body { flex: 1; }
.education-row { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap; }
.education-degree { font-family: var(--font-display); font-size: 1.45rem; font-weight: 400; letter-spacing: 0; }
.education-org { color: var(--muted); font-size: 0.95rem; }

/* ---------- Contact ---------- */
.section-contact { background: color-mix(in srgb, var(--bg-soft) 55%, transparent); }
.contact-lead {
  max-width: 52ch;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  color: var(--fg);
  line-height: 1.3;
  margin-bottom: 2rem;
}
.contact-email {
  display: inline-block;
  font-size: clamp(1.4rem, 4.5vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  border-bottom: 2px solid color-mix(in srgb, var(--accent) 45%, transparent);
  padding-bottom: 0.15rem;
  transition: border-color var(--t-fast) var(--ease);
  word-break: break-word;
}
.contact-email:hover { border-color: var(--accent); }
.contact-email-row { display: flex; align-items: center; gap: 1.1rem; flex-wrap: wrap; }
.btn-copy { padding: 0.45rem 1rem; font-size: 0.85rem; }
.btn-copy:disabled { cursor: default; border-color: var(--line-strong); transform: none; }

.contact-meta { display: flex; align-items: center; gap: 0.55rem; flex-wrap: wrap; margin-top: 1.6rem; font-size: 0.9rem; color: var(--muted); }
.contact-meta .meta-sep { color: var(--line-strong); }
#lisbon-time { font-variant-numeric: tabular-nums; color: var(--fg-soft); }
.avail-dot { position: relative; flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.avail-dot::after { content: ''; position: absolute; inset: 0; border-radius: 50%; background: inherit; animation: ping 2.4s var(--ease) infinite; }
@keyframes ping { to { transform: scale(2.6); opacity: 0; } }

.contact-links { display: flex; flex-wrap: wrap; gap: 1.75rem; margin-top: 2.5rem; }
.contact-links a { font-family: var(--font-mono); font-size: 0.92rem; color: var(--muted); transition: color var(--t-fast) var(--ease); }
.contact-links a:hover { color: var(--accent); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding-block: 2rem; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; font-size: 0.85rem; color: var(--muted); }
.footer-note { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.02em; }
.footer-top { color: var(--fg); transition: color var(--t-fast) var(--ease); }
.footer-top:hover { color: var(--accent); }

/* ---------- Reveal animation ---------- */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: none; }
.about-stats.is-visible .stat,
.project-grid .reveal { transition-delay: 0s; }

/* ---------- Command palette ---------- */
.cmdk-trigger {
  display: inline-flex; align-items: center; gap: 0.5rem;
  height: 38px; padding: 0 0.8rem;
  border: 1px solid var(--line-strong); border-radius: 999px;
  color: var(--muted);
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}
.cmdk-trigger:hover { border-color: var(--accent); color: var(--fg); transform: translateY(-1px); }
.cmdk-trigger svg { fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; }
.cmdk-kbd { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.02em; display: inline-flex; align-items: center; gap: 1px; }
.cmdk-cmd { font-size: 0.95em; }
.cmdk {
  position: fixed; inset: 0; z-index: 300;
  display: flex; align-items: flex-start; justify-content: center;
  padding: clamp(1rem, 12vh, 9rem) 1rem 1rem;
}
.cmdk[hidden] { display: none; }
.cmdk-backdrop {
  position: absolute; inset: 0;
  background: color-mix(in srgb, var(--invert-bg) 40%, transparent);
  backdrop-filter: blur(5px); -webkit-backdrop-filter: blur(5px);
  opacity: 0; transition: opacity 0.25s var(--ease);
}
.cmdk.is-open .cmdk-backdrop { opacity: 1; }
.cmdk-panel {
  position: relative; width: 100%; max-width: 560px;
  background: var(--surface); border: 1px solid var(--line-strong);
  border-radius: 16px; overflow: hidden;
  box-shadow: 0 40px 90px -45px color-mix(in srgb, var(--fg) 62%, transparent);
  opacity: 0; transform: translateY(-10px) scale(0.985);
  transition: opacity 0.28s var(--ease), transform 0.28s var(--ease);
}
.cmdk.is-open .cmdk-panel { opacity: 1; transform: none; }
.cmdk-field { display: flex; align-items: center; gap: 0.7rem; padding: 0.9rem 1rem; border-bottom: 1px solid var(--line); }
.cmdk-search { fill: none; stroke: var(--muted); stroke-width: 1.8; stroke-linecap: round; flex: none; }
#cmdk-input { flex: 1; min-width: 0; border: none; background: none; color: var(--fg); font: inherit; font-size: 1rem; outline: none; padding: 0.2rem 0; }
#cmdk-input::placeholder { color: var(--muted); }
.cmdk-esc { font-family: var(--font-mono); font-size: 0.66rem; color: var(--muted); border: 1px solid var(--line-strong); border-radius: 6px; padding: 0.15rem 0.4rem; flex: none; }
.cmdk-list { max-height: min(48vh, 380px); overflow-y: auto; padding: 0.4rem; }
.cmdk-item { display: flex; align-items: center; gap: 0.8rem; padding: 0.6rem 0.7rem; border-radius: 10px; cursor: pointer; color: var(--fg-soft); scroll-margin: 0.4rem; }
.cmdk-item[aria-selected='true'] { background: var(--bg-soft); color: var(--fg); }
.cmdk-item-ico { display: grid; place-items: center; width: 30px; height: 30px; flex: none; border: 1px solid var(--line); border-radius: 8px; color: var(--muted); }
.cmdk-item[aria-selected='true'] .cmdk-item-ico { border-color: color-mix(in srgb, var(--accent) 55%, var(--line-strong)); color: var(--accent); }
.cmdk-item-ico svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.cmdk-item-body { flex: 1; min-width: 0; }
.cmdk-item-label { font-size: 0.93rem; font-weight: 500; letter-spacing: -0.01em; }
.cmdk-item-hint { font-size: 0.76rem; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cmdk-item-kbd { font-family: var(--font-mono); font-size: 0.68rem; color: var(--muted); flex: none; }
.cmdk-empty { padding: 1.4rem; text-align: center; color: var(--muted); font-size: 0.9rem; }
.cmdk-foot { display: flex; gap: 1.1rem; padding: 0.55rem 1rem; border-top: 1px solid var(--line); font-size: 0.72rem; color: var(--muted); }
.cmdk-foot kbd { font-family: var(--font-mono); border: 1px solid var(--line-strong); border-radius: 5px; padding: 0.02rem 0.3rem; margin-right: 2px; }
body.cmdk-open { overflow: hidden; }

/* ---------- Theme view-transition sweep ---------- */
@media (prefers-reduced-motion: no-preference) {
  ::view-transition-old(root), ::view-transition-new(root) { animation: none; mix-blend-mode: normal; }
  ::view-transition-old(root) { z-index: 0; }
  ::view-transition-new(root) { z-index: 1; }
  html.vt-theme::view-transition-new(root) { animation: vtClip 0.5s var(--ease); }
}
@keyframes vtClip {
  from { clip-path: circle(0% at var(--vt-x, 50%) var(--vt-y, 0%)); }
  to   { clip-path: circle(150% at var(--vt-x, 50%) var(--vt-y, 0%)); }
}

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 1.6rem; z-index: 400;
  transform: translateX(-50%) translateY(10px);
  background: var(--invert-bg); color: var(--invert-fg);
  font-size: 0.85rem; font-weight: 500;
  padding: 0.6rem 1.05rem; border-radius: 999px;
  box-shadow: 0 16px 40px -18px color-mix(in srgb, var(--fg) 70%, transparent);
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- Focus ---------- */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.btn:focus-visible, .theme-toggle:focus-visible, .menu-toggle:focus-visible { outline-offset: 2px; }

/* ---------- Responsive ---------- */
@media (max-width: 920px) {
  .about-grid { grid-template-columns: 1fr; }
  .project-grid { grid-template-columns: 1fr 1fr; }
  .hero-inner { grid-template-columns: 1fr; gap: clamp(1.75rem, 6vw, 2.5rem); }
  .hero-portrait { order: -1; }
  .hero-portrait-frame, .hero-portrait::before { max-width: 240px; width: 240px; }
  .hero-portrait::before { transform: translate(10px, 10px); }
}
@media (max-width: 760px) {
  :root { --header-h: 62px; }
  .nav-links {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem var(--pad) 1.25rem;
    transform: translateY(-120%);
    transition: transform var(--t-med) var(--ease);
    box-shadow: 0 20px 40px -30px rgba(0,0,0,0.4);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 0.85rem 0; border-bottom: 1px solid var(--line); font-size: 1rem; }
  .nav-links a::after { display: none; }
  .menu-toggle { display: flex; }
  .nav-actions .cv-link { display: none; }

  .timeline-item { grid-template-columns: 1fr; gap: 0.6rem; }
  .timeline-meta { flex-direction: row; gap: 0.75rem; align-items: baseline; }
  .project-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .education { flex-direction: column; gap: 0.25rem; }
  .scroll-cue { display: none; }
  .footer-note { display: none; }
}
@media (max-width: 540px) { .cmdk-foot { display: none; } }
@media (max-width: 760px) {
  .cmdk-kbd { display: none; }
  .cmdk-trigger { padding: 0; width: 38px; justify-content: center; }
}
@media (max-width: 420px) {
  .hero-actions .btn { flex: 1; }
}
@media (max-width: 380px) {
  :root { --pad: 1.1rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .contact-links { gap: 1rem 1.25rem; }
}
@media (min-width: 1600px) {
  :root { --container: 1280px; }
  html { font-size: 17px; }
}
@media (min-width: 2000px) {
  :root { --container: 1440px; }
  html { font-size: 18.5px; }
}
@media (min-width: 2560px) {
  :root { --container: 1680px; }
  html { font-size: 21px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  .reveal { opacity: 1; transform: none; }
  .scroll-cue-line::after { animation: none; }
  .js .hero-title-inner { transform: none; transition: none; }
  .stat-bar::after { transform: scaleX(1); transition: none; }
  .cmdk-panel, .cmdk-backdrop, .project-stats, .timeline-dot, .toast { transition: none; }
  .avail-dot::after { animation: none; }
  .project-card::before { display: none; }
  .bg-glow { animation: none; }
}

/* ---------- Print ---------- */
@media print {
  .site-header, .scroll-cue, .scroll-progress, .theme-toggle, .menu-toggle, .site-footer, .bg-canvas { display: none !important; }
  body { color: #000; background: #fff; }
  .section { border: none; padding-block: 1.5rem; }
}