/* ============================================================
   gnsiva.org
   Editorial minimalism — dark default, warm brass accent.
   ============================================================ */

:root {
  --bg:            #0e1014;
  --bg-elev:       #13161c;
  --border:        #20242d;
  --text:          #e8e3d8;
  --text-dim:      #9ea2ab;
  --text-mute:     #64686f;
  --accent:        #d4a574;
  --accent-soft:   rgba(212, 165, 116, 0.16);
  --accent-ghost:  rgba(212, 165, 116, 0.08);

  --font-display:  'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body:     'Inter Tight', system-ui, -apple-system, 'Helvetica Neue', sans-serif;
  --font-mono:     'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --max-w:         1400px;
  --pad-x:         clamp(1.5rem, 4vw, 3rem);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg:          #f8f5ef;
    --bg-elev:     #fdfbf6;
    --border:      #e4dfd4;
    --text:        #1a1c22;
    --text-dim:    #4a4e58;
    --text-mute:   #8b8e95;
    --accent:      #a87843;
    --accent-soft: rgba(168, 120, 67, 0.12);
    --accent-ghost: rgba(168, 120, 67, 0.06);
  }
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  * { transition: none !important; animation: none !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11";
  position: relative;
  min-height: 100vh;
  overflow-x: hidden;
}

::selection {
  background: var(--accent-soft);
  color: var(--text);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 2px;
}

a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}

a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

em {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  color: var(--text);
  font-variation-settings: "opsz" 20;
}

/* ============================================================
   Ambient texture
   ============================================================ */

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  opacity: .05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 240 240' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.glow {
  position: fixed;
  top: -25vh;
  left: -15vw;
  width: 75vw;
  height: 75vh;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(circle at 30% 30%, var(--accent-soft) 0%, transparent 55%);
  filter: blur(60px);
  opacity: .8;
}

@media (prefers-color-scheme: light) {
  .grain { opacity: .08; mix-blend-mode: multiply; }
  .glow  { opacity: .9; }
}

/* ============================================================
   Layout — two-column (sticky sidebar)
   ============================================================ */

.layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

@media (min-width: 1024px) {
  .layout {
    grid-template-columns: minmax(320px, 40%) 1fr;
    gap: 4rem;
  }
}

/* ============================================================
   Sidebar
   ============================================================ */

.sidebar {
  padding: clamp(3rem, 8vh, 6rem) 0 3rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

@media (min-width: 1024px) {
  .sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    padding: 7vh 0;
    justify-content: space-between;
    gap: 0;
  }
}

.intro {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.name {
  font-family: var(--font-display);
  font-weight: 500;
  font-variation-settings: "opsz" 72;
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  line-height: 1;
  letter-spacing: -0.025em;
  margin: 0;
  color: var(--text);
}

.tagline {
  font-size: 1.0625rem;
  line-height: 1.5;
  color: var(--text-dim);
  margin: 0;
  max-width: 32ch;
}

.tagline em {
  color: var(--text);
}

.location {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-mute);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
}

.dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}

/* Nav */
.nav {
  margin-top: 1rem;
  display: none;
}

@media (min-width: 1024px) {
  .nav { display: block; }
}

.nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav a {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.5rem 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-mute);
  border-bottom: none;
}

.nav-num {
  font-variant-numeric: tabular-nums;
  color: var(--text-mute);
  transition: color .2s ease;
}

.nav-line {
  width: 2rem;
  height: 1px;
  background: var(--text-mute);
  transition: width .25s ease, background .2s ease;
}

.nav-label { transition: color .2s ease; }

.nav a:hover,
.nav a:focus-visible {
  color: var(--text);
}

.nav a:hover .nav-num,
.nav a:hover .nav-label,
.nav a:focus-visible .nav-num,
.nav a:focus-visible .nav-label {
  color: var(--text);
}

.nav a:hover .nav-line,
.nav a:focus-visible .nav-line {
  width: 3.5rem;
  background: var(--text);
}

.nav a.is-active .nav-num,
.nav a.is-active .nav-label {
  color: var(--accent);
}

.nav a.is-active .nav-line {
  width: 4rem;
  background: var(--accent);
}

/* Socials */
.social {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 1.25rem;
}

.social a {
  display: inline-flex;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  color: var(--text-mute);
  border-bottom: none;
  transition: color .2s ease, transform .2s ease;
}

.social a:hover {
  color: var(--accent);
  transform: translateY(-2px);
}

.social svg {
  width: 20px;
  height: 20px;
}

/* ============================================================
   Content
   ============================================================ */

.content {
  padding: clamp(2rem, 6vh, 5rem) 0 3rem;
  max-width: 60ch;
}

@media (min-width: 1024px) {
  .content { padding: 7vh 0 6rem; }
}

.section {
  padding: 3.5rem 0;
  scroll-margin-top: 2rem;
}

@media (min-width: 1024px) {
  .section { padding: 5rem 0; }
}

.section:first-of-type {
  padding-top: 0;
}

.section-h {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0 0 2.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.section-h .num {
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.section-h::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

.prose p {
  font-size: 1.0625rem;
  line-height: 1.7;
  margin: 0 0 1.25rem;
  color: var(--text-dim);
}

.prose p:last-child { margin-bottom: 0; }

.lede {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.2vw, 1.5rem);
  line-height: 1.4;
  color: var(--text);
  font-weight: 400;
  font-variation-settings: "opsz" 36;
  margin: 0 0 2.5rem;
  max-width: 38ch;
  letter-spacing: -0.005em;
}

.lede em {
  color: var(--accent);
}

/* ============================================================
   How I help — card stack
   ============================================================ */

.help-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.help-card {
  padding: 1.75rem 0;
}

.help-card + .help-card {
  border-top: 1px solid var(--border);
}

.card-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.75rem;
}

.help-card h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-variation-settings: "opsz" 36;
  font-size: 1.375rem;
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin: 0 0 0.75rem;
  color: var(--text);
}

.help-card p {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-dim);
  margin: 0;
}

/* ============================================================
   Experience — timeline
   ============================================================ */

.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.role {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.25rem;
}

@media (min-width: 640px) {
  .role {
    grid-template-columns: 8.5rem 1fr;
    gap: 1.5rem;
  }
}

.role-dates {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin: 0;
  padding-top: 0.3rem;
}

.role h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.4;
  margin: 0 0 0.5rem;
  color: var(--text);
  letter-spacing: -0.005em;
}

.role-sub {
  font-weight: 400;
  color: var(--text-mute);
}

.role p {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--text-dim);
  margin: 0 0 0.875rem;
}

.tags {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.tags li {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 0.25rem 0.625rem;
  border-radius: 999px;
}

.role-earlier .role-body p {
  color: var(--text-mute);
  font-size: 0.875rem;
}

.timeline-footnote {
  margin: 2.5rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.timeline-footnote a {
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
}

.timeline-footnote a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ============================================================
   Publications & credits
   ============================================================ */

.credits-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
}

.credit-entry {
  padding: 1.75rem 0;
}

.credit-entry + .credit-entry {
  border-top: 1px solid var(--border);
}

.credit-type {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.75rem;
}

.credit-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-variation-settings: "opsz" 36;
  font-size: 1.25rem;
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 0 0 0.5rem;
  color: var(--text);
}

.credit-title a {
  color: var(--text);
  border-bottom: 1px solid var(--border);
  transition: border-color 0.15s ease, color 0.15s ease;
}

.credit-title a:hover,
.credit-title a:focus-visible {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.credit-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--text-mute);
  margin: 0;
}

.games-grid {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
}

.game-tile {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-elev);
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s ease, transform 0.2s ease;
}

.game-tile:hover {
  border-color: var(--accent-soft);
  transform: translateY(-1px);
}

.game-cover-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg);
}

.game-cover-wrap::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--cover);
  background-size: cover;
  background-position: center;
  filter: blur(28px) saturate(1.35) brightness(0.8);
  transform: scale(1.18);
  z-index: 0;
}

.game-cover {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.game-info {
  padding: 0.625rem 0.875rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.game-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-variation-settings: "opsz" 24;
  font-size: 0.9375rem;
  line-height: 1.2;
  color: var(--text);
}

.game-meta {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-mute);
}

/* ============================================================
   Contact
   ============================================================ */

.contact-cta {
  font-family: var(--font-display) !important;
  font-variation-settings: "opsz" 48;
  font-size: clamp(1.5rem, 3vw, 1.875rem) !important;
  line-height: 1.2 !important;
  margin: 2rem 0 1.25rem !important;
  color: var(--text) !important;
}

.contact-cta a {
  color: var(--text);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 0.1rem;
}

.contact-cta a:hover {
  color: var(--accent);
}

.contact-alt {
  font-size: 0.9375rem !important;
}

/* ============================================================
   Business card — click / keyboard to flip
   ============================================================ */

.biz-card-wrap {
  margin: 0;
  perspective: 1400px;
}

.biz-card {
  position: relative;
  width: min(100%, 440px);
  aspect-ratio: 2 / 1;
  cursor: pointer;
  outline: none;
  border-radius: 12px;
  -webkit-tap-highlight-color: transparent;
}

.biz-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.biz-card-inner {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  transition: transform 650ms cubic-bezier(.2, .8, .2, 1);
}

.biz-card[data-flipped="true"] .biz-card-inner {
  transform: rotateY(180deg);
}

.biz-card-face {
  position: absolute;
  inset: 0;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  background: linear-gradient(155deg, var(--bg-elev) 0%, var(--bg) 100%);
  border: 1px solid var(--border);
  box-shadow:
    0 24px 50px -28px rgba(0, 0, 0, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.02);
  display: flex;
  flex-direction: column;
}

@media (prefers-color-scheme: light) {
  .biz-card-face {
    box-shadow:
      0 16px 38px -22px rgba(40, 34, 22, 0.22),
      inset 0 1px 0 rgba(255, 255, 255, 0.5);
  }
}

.biz-card-back {
  transform: rotateY(180deg);
}

/* Front */
.biz-card-front { justify-content: space-between; }

.biz-card-head {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.biz-card-id {
  flex: 1;
  min-width: 0;
  text-align: right;
}

.biz-card-photo {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--accent-soft);
  display: block;
  flex-shrink: 0;
}

.biz-card-name {
  font-family: var(--font-display);
  font-weight: 500;
  font-variation-settings: "opsz" 72;
  font-size: clamp(1.125rem, 2.6vw, 1.375rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--text);
  margin: 0 0 0.2rem;
}

.biz-card-role {
  font-family: var(--font-body);
  font-size: 0.75rem;
  line-height: 1.4;
  color: var(--text-dim);
  margin: 0;
}

.biz-card-role span { color: var(--text); }

.biz-card-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.biz-card-loc {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-mute);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.biz-card-hint {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
  opacity: 0.55;
  margin: 0;
}

/* Back */
.biz-card-back-grid {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
}

.biz-card-contact {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.biz-card-contact li {
  font-size: 0.8125rem;
}

.biz-card-contact a {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  color: var(--text);
  font-family: var(--font-body);
  transition: color 0.15s ease;
}

.biz-card-contact a > span {
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease;
}

.biz-card-contact a:hover,
.biz-card-contact a:focus-visible {
  color: var(--accent);
}

.biz-card-contact a:hover > span,
.biz-card-contact a:focus-visible > span {
  border-bottom-color: var(--accent);
}

.biz-card-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--text-mute);
  transition: color 0.15s ease;
}

.biz-card-contact a:hover .biz-card-icon,
.biz-card-contact a:focus-visible .biz-card-icon {
  color: var(--accent);
}

.biz-card-qr {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}

.biz-card-qr img {
  width: 96px;
  height: 96px;
  background: #ffffff;
  padding: 5px;
  border-radius: 6px;
  display: block;
}

.biz-card-qr figcaption {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-mute);
}

.biz-card-hint-back {
  margin-top: 0.6rem;
  text-align: right;
}

@media (prefers-reduced-motion: reduce) {
  .biz-card-inner { transition: none; }
}

@media (max-width: 480px) {
  .biz-card { aspect-ratio: 1.7 / 1; }
  .biz-card-face { padding: 1rem 1.15rem; }
  .biz-card-photo { width: 48px; height: 48px; }
  .biz-card-icon { width: 14px; height: 14px; }
  .biz-card-qr img { width: 80px; height: 80px; }
}

/* ============================================================
   Reveal on scroll
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .7s ease, transform .7s ease;
}

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

/* ============================================================
   Footer colophon
   ============================================================ */

.colophon {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 3rem var(--pad-x) 3rem;
  border-top: 1px solid var(--border);
  margin-top: 4rem;
}

.colophon-inner {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-mute);
  line-height: 1.7;
  max-width: 70ch;
}

.colophon a {
  color: var(--text-dim);
  border-bottom: 1px dotted var(--border);
}

.colophon a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.type-credit {
  font-family: var(--font-display);
  font-style: italic;
  text-transform: none;
  letter-spacing: 0;
  color: var(--text-dim);
  font-size: 0.9375rem;
  font-variation-settings: "opsz" 14;
}