/* ==========================================================================
   Keyur Aghao Portfolio
   Hand-authored stylesheet. No frameworks.
   Palette: ink + warm parchment text + a single restrained gold accent.
   ========================================================================== */

/* ----- Design tokens ----- */
:root {
  --ink:        #0b0c0f;
  --ink-1:      #0e0f13;
  --ink-2:      #121419;
  --ink-3:      #171a21;
  --line:       rgba(233, 231, 225, 0.10);
  --line-soft:  rgba(233, 231, 225, 0.06);

  --text:       #e9e7e1;
  --text-dim:   #b7b6b1;
  --muted:      #8b8d98;
  --faint:      #5f626d;

  --gold:       #c8a15a;
  --gold-1:     #d9b878;
  --gold-deep:  #9d7c3c;
  --gold-glow:  rgba(200, 161, 90, 0.16);

  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --serif: "Fraunces", "Newsreader", Georgia, "Times New Roman", serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", "Fira Code", Menlo, monospace;

  --maxw: 1120px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius: 14px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ----- Reset ----- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body {
  font-family: var(--sans);
  background: var(--ink);
  color: var(--text);
  line-height: 1.65;
  font-size: 16.5px;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Ambient background: faint gold aura + fine grain */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(60rem 60rem at 78% -8%, rgba(200,161,90,0.09), transparent 60%),
    radial-gradient(50rem 50rem at -10% 12%, rgba(90,110,160,0.07), transparent 55%),
    linear-gradient(180deg, #0b0c0f 0%, #090a0d 100%);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%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");
}

/* ----- Type ----- */
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 500; line-height: 1.12; letter-spacing: -0.01em; color: var(--text); }
a { color: inherit; text-decoration: none; }
::selection { background: rgba(200,161,90,0.28); color: #fff; }

.mono { font-family: var(--mono); }
.gold { color: var(--gold-1); }

/* ----- Layout helpers ----- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter); }
section { position: relative; padding-block: clamp(72px, 11vw, 132px); }
.section-line { border-top: 1px solid var(--line-soft); }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold);
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  margin-bottom: 1.4rem;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 1px;
  background: var(--gold-deep);
  display: inline-block;
}
.section-title { font-size: clamp(2rem, 4.6vw, 3.15rem); margin-bottom: 1.1rem; }
.section-title em { font-style: italic; color: var(--gold-1); }
.section-intro { color: var(--muted); max-width: 60ch; font-size: 1.02rem; }

/* ==========================================================================
   Navigation
   ========================================================================== */
#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background 0.4s var(--ease), border-color 0.4s, backdrop-filter 0.4s;
  border-bottom: 1px solid transparent;
}
#nav.scrolled {
  background: rgba(11, 12, 15, 0.72);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid var(--line-soft);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.brand { display: flex; align-items: center; gap: 0.7rem; font-family: var(--serif); font-size: 1.18rem; letter-spacing: 0.01em; }
.brand .monogram {
  width: 34px; height: 34px; border-radius: 9px;
  display: grid; place-items: center;
  border: 1px solid var(--gold-deep);
  color: var(--gold-1);
  font-family: var(--mono); font-size: 0.82rem; font-weight: 600; letter-spacing: 0.02em;
  background: linear-gradient(160deg, rgba(200,161,90,0.16), transparent);
}
.brand b { font-weight: 500; }
.brand span { color: var(--faint); }

.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a {
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  transition: color 0.25s;
  position: relative;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 1px; width: 0;
  background: var(--gold); transition: width 0.3s var(--ease);
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-cta {
  font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.04em;
  padding: 0.55rem 1.05rem; border: 1px solid var(--gold-deep); border-radius: 999px;
  color: var(--gold-1); transition: all 0.28s var(--ease);
}
.nav-cta:hover { background: var(--gold); color: #14100a; border-color: var(--gold); }

.nav-toggle { display: none; background: none; border: 0; color: var(--text); cursor: pointer; padding: 8px; }
.nav-toggle svg { width: 24px; height: 24px; }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero { min-height: 100svh; display: flex; align-items: center; padding-top: 120px; padding-bottom: 80px; }
.hero-grid { display: grid; grid-template-columns: 1.55fr 1fr; gap: clamp(32px, 6vw, 88px); align-items: center; width: 100%; }

.hero-status {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.08em; color: var(--text-dim);
  padding: 0.4rem 0.9rem; border: 1px solid var(--line); border-radius: 999px;
  background: rgba(255,255,255,0.02); margin-bottom: 2rem;
}
.hero-status .dot { width: 8px; height: 8px; border-radius: 50%; background: #4ec98a; box-shadow: 0 0 0 0 rgba(78,201,138,0.5); animation: pulse 2.4s infinite; }
@keyframes pulse { 0%{box-shadow:0 0 0 0 rgba(78,201,138,0.5);} 70%{box-shadow:0 0 0 8px rgba(78,201,138,0);} 100%{box-shadow:0 0 0 0 rgba(78,201,138,0);} }

.hero h1 {
  font-size: clamp(2.9rem, 8vw, 5.6rem);
  line-height: 1.04;
  letter-spacing: -0.025em;
  margin-bottom: 1.4rem;
}
.hero h1 .line { display: block; padding-bottom: 0.1em; }
.hero h1 em { font-style: italic; color: var(--gold-1); }
.hero-role {
  font-family: var(--mono); font-size: clamp(0.82rem, 1.6vw, 1rem);
  letter-spacing: 0.06em; color: var(--text-dim); margin-bottom: 1.9rem;
}
.hero-role .sep { color: var(--gold-deep); margin-inline: 0.55rem; }
.hero-lede { font-size: clamp(1.02rem, 1.5vw, 1.16rem); color: var(--text-dim); max-width: 52ch; margin-bottom: 2.4rem; }
.hero-lede strong { color: var(--text); font-weight: 500; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-bottom: 2.6rem; }
.btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--mono); font-size: 0.82rem; letter-spacing: 0.03em;
  padding: 0.9rem 1.5rem; border-radius: 999px; cursor: pointer;
  transition: all 0.3s var(--ease); border: 1px solid transparent;
}
.btn svg { width: 16px; height: 16px; }
.btn-primary { background: var(--gold); color: #14100a; }
.btn-primary:hover { background: var(--gold-1); transform: translateY(-2px); box-shadow: 0 14px 32px -12px var(--gold-glow); }
.btn-ghost { border-color: var(--line); color: var(--text); background: rgba(255,255,255,0.02); }
.btn-ghost:hover { border-color: var(--gold-deep); color: var(--gold-1); transform: translateY(-2px); }

.hero-socials { display: flex; gap: 1.4rem; align-items: center; }
.hero-socials a { color: var(--muted); transition: color 0.25s, transform 0.25s; display: inline-flex; }
.hero-socials a:hover { color: var(--gold-1); transform: translateY(-2px); }
.hero-socials svg { width: 20px; height: 20px; }

/* Portrait */
.hero-portrait { position: relative; justify-self: center; }
.portrait-frame {
  position: relative; width: clamp(230px, 26vw, 330px); aspect-ratio: 4/5;
  border-radius: 18px; overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 40px 80px -30px rgba(0,0,0,0.7);
}
.portrait-frame img { width: 100%; height: 100%; object-fit: cover; object-position: center 22%; filter: grayscale(0.15) contrast(1.02); }
.portrait-frame::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(11,12,15,0.55));
}
.portrait-badge {
  position: absolute; bottom: -18px; left: -18px;
  background: var(--ink-2); border: 1px solid var(--line);
  border-radius: 12px; padding: 0.85rem 1.05rem;
  box-shadow: 0 20px 40px -20px rgba(0,0,0,0.8);
  backdrop-filter: blur(6px);
}
.portrait-badge .b-top { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.12em; color: var(--gold); text-transform: uppercase; }
.portrait-badge .b-main { font-family: var(--serif); font-size: 1.02rem; margin-top: 2px; }

.scroll-cue {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.2em; color: var(--faint);
  display: flex; flex-direction: column; align-items: center; gap: 0.6rem; text-transform: uppercase;
}
.scroll-cue .rail { width: 1px; height: 42px; background: linear-gradient(var(--gold-deep), transparent); position: relative; overflow: hidden; }
.scroll-cue .rail::after { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 40%; background: var(--gold-1); animation: drop 2.2s var(--ease) infinite; }
@keyframes drop { 0%{transform:translateY(-100%);} 100%{transform:translateY(250%);} }

/* ==========================================================================
   Marquee of credentials
   ========================================================================== */
.marquee { border-block: 1px solid var(--line-soft); overflow: hidden; padding-block: 1.15rem; background: rgba(255,255,255,0.012); }
.marquee-track { display: flex; gap: 3.5rem; width: max-content; animation: scroll-x 34s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-item { font-family: var(--mono); font-size: 0.82rem; letter-spacing: 0.05em; color: var(--muted); white-space: nowrap; display: inline-flex; align-items: center; gap: 0.8rem; }
.marquee-item .star { color: var(--gold); }
@keyframes scroll-x { to { transform: translateX(-50%); } }

/* ==========================================================================
   Metrics
   ========================================================================== */
.metrics { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: var(--line-soft); border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; }
.metric { background: var(--ink-1); padding: 1.9rem 1.4rem; text-align: left; transition: background 0.3s; }
.metric:hover { background: var(--ink-2); }
.metric .num { font-family: var(--serif); font-size: clamp(1.9rem, 3.4vw, 2.7rem); color: var(--gold-1); line-height: 1; letter-spacing: -0.02em; }
.metric .num sup { font-size: 0.5em; top: -0.7em; }
.metric .lab { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.08em; color: var(--muted); text-transform: uppercase; margin-top: 0.8rem; line-height: 1.5; }

/* ==========================================================================
   About
   ========================================================================== */
.about-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(36px, 6vw, 84px); align-items: start; }
.about-copy p { color: var(--text-dim); font-size: 1.05rem; margin-bottom: 1.3rem; }
.about-copy p:last-child { margin-bottom: 0; }
.about-copy strong { color: var(--text); font-weight: 500; }
.about-copy .hl { color: var(--gold-1); font-weight: 500; }

.about-facets { display: flex; flex-direction: column; gap: 0.2rem; }
.facet { display: grid; grid-template-columns: auto 1fr; gap: 1.2rem; padding: 1.25rem 0; border-top: 1px solid var(--line-soft); align-items: baseline; }
.facet:first-child { border-top: 0; }
.facet .k { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.08em; color: var(--gold); text-transform: uppercase; }
.facet .v { color: var(--text-dim); font-size: 0.98rem; }
.facet .v b { color: var(--text); font-weight: 500; }

/* ==========================================================================
   Experience timeline
   ========================================================================== */
.timeline { position: relative; margin-top: 1rem; }
.tl-item { display: grid; grid-template-columns: 210px 1fr; gap: 2.5rem; padding-block: 2.2rem; border-top: 1px solid var(--line-soft); position: relative; }
.tl-item:first-child { border-top: 0; }
.tl-meta { position: relative; }
.tl-date { font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.05em; color: var(--gold); }
.tl-org { color: var(--text); font-weight: 500; margin-top: 0.5rem; font-size: 0.98rem; }
.tl-place { color: var(--faint); font-size: 0.82rem; margin-top: 0.2rem; font-family: var(--mono); }
.tl-body h3 { font-size: 1.35rem; margin-bottom: 0.4rem; }
.tl-role-tag { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.08em; color: var(--muted); text-transform: uppercase; margin-bottom: 1rem; display: inline-block; }
.tl-body ul { list-style: none; display: flex; flex-direction: column; gap: 0.7rem; }
.tl-body li { color: var(--text-dim); font-size: 0.97rem; padding-left: 1.5rem; position: relative; }
.tl-body li::before { content: "▸"; position: absolute; left: 0; color: var(--gold-deep); font-size: 0.8rem; top: 0.15rem; }
.tl-body li b { color: var(--text); font-weight: 500; }

/* ==========================================================================
   Projects
   ========================================================================== */
.proj-head { display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 1.5rem; margin-bottom: 2.6rem; }
.filters { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.filter {
  font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.04em;
  padding: 0.5rem 1rem; border: 1px solid var(--line); border-radius: 999px;
  color: var(--muted); background: transparent; cursor: pointer; transition: all 0.25s var(--ease);
}
.filter:hover { color: var(--text); border-color: var(--gold-deep); }
.filter.active { background: var(--gold); color: #14100a; border-color: var(--gold); }

.proj-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.3rem; }
.card {
  position: relative; display: flex; flex-direction: column;
  background: linear-gradient(180deg, var(--ink-2), var(--ink-1));
  border: 1px solid var(--line-soft); border-radius: var(--radius);
  padding: 1.8rem; overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.4s, box-shadow 0.4s;
}
.card::before {
  content: ""; position: absolute; inset: 0; opacity: 0;
  background: radial-gradient(28rem 20rem at var(--mx,50%) var(--my,0%), var(--gold-glow), transparent 60%);
  transition: opacity 0.4s; pointer-events: none;
}
.card:hover { transform: translateY(-5px); border-color: var(--line); box-shadow: 0 26px 50px -28px rgba(0,0,0,0.75); }
.card:hover::before { opacity: 1; }
.card.featured { grid-column: span 2; }

.card-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; margin-bottom: 1rem; }
.card-kicker { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gold); }
.card h3 { font-size: 1.5rem; margin-top: 0.5rem; }
.card.featured h3 { font-size: 1.85rem; }
.card-links { display: flex; gap: 0.6rem; flex-shrink: 0; }
.card-links a { color: var(--muted); display: inline-flex; transition: color 0.25s, transform 0.25s; }
.card-links a:hover { color: var(--gold-1); transform: translateY(-2px); }
.card-links svg { width: 18px; height: 18px; }

.card-badges { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 0.9rem; }
.badge { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.04em; color: var(--text-dim); padding: 0.28rem 0.65rem; border: 1px solid var(--line); border-radius: 6px; background: rgba(255,255,255,0.02); }
.badge.crit { color: #e98b8b; border-color: rgba(233,139,139,0.35); }
.badge.live { color: #7fd3a3; border-color: rgba(127,211,163,0.32); }

.card p { color: var(--muted); font-size: 0.95rem; margin-bottom: 1.3rem; flex-grow: 1; }
.card.featured p { font-size: 1rem; max-width: 74ch; }
.card p b { color: var(--text-dim); font-weight: 500; }

.tech { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: auto; }
.tech span { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.03em; color: var(--faint); }
.tech span::before { content: "#"; color: var(--gold-deep); }

/* ==========================================================================
   Skills
   ========================================================================== */
.skills-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.3rem; }
.skill-col { background: var(--ink-1); border: 1px solid var(--line-soft); border-radius: var(--radius); padding: 1.6rem; transition: border-color 0.3s; }
.skill-col:hover { border-color: var(--line); }
.skill-col h3 { font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--gold-1); margin-bottom: 1.2rem; font-weight: 600; display: flex; align-items: center; gap: 0.6rem; }
.skill-col h3 .idx { color: var(--faint); font-size: 0.72rem; }
.skill-col ul { list-style: none; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.skill-col li { font-size: 0.86rem; color: var(--text-dim); padding: 0.35rem 0.75rem; border: 1px solid var(--line-soft); border-radius: 7px; transition: all 0.22s; background: rgba(255,255,255,0.015); }
.skill-col li:hover { color: var(--text); border-color: var(--gold-deep); background: rgba(200,161,90,0.06); }

/* ==========================================================================
   Awards
   ========================================================================== */
.awards-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(30px,5vw,60px); align-items: start; }
.award-photo { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); position: relative; box-shadow: 0 30px 60px -30px rgba(0,0,0,0.7); }
.award-photo img { width: 100%; display: block; }
.award-photo .cap { position: absolute; left: 0; right: 0; bottom: 0; padding: 1.4rem; background: linear-gradient(transparent, rgba(9,10,13,0.92)); font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.04em; color: var(--gold-1); }
.award-list { display: flex; flex-direction: column; }
.award { display: grid; grid-template-columns: auto 1fr; gap: 1.2rem; padding: 1.4rem 0; border-top: 1px solid var(--line-soft); }
.award:first-child { border-top: 0; }
.award .ic { font-size: 1.5rem; line-height: 1; }
.award h3 { font-size: 1.18rem; margin-bottom: 0.35rem; }
.award p { color: var(--muted); font-size: 0.92rem; }

/* ==========================================================================
   Publications
   ========================================================================== */
.pubs { display: flex; flex-direction: column; }
.pub { display: grid; grid-template-columns: 130px 1fr auto; gap: 1.8rem; align-items: baseline; padding: 1.5rem 0; border-top: 1px solid var(--line-soft); transition: padding-left 0.3s var(--ease); }
.pub:first-child { border-top: 0; }
.pub:hover { padding-left: 0.6rem; }
.pub-year { font-family: var(--mono); font-size: 0.8rem; color: var(--gold); letter-spacing: 0.04em; }
.pub-main h3 { font-size: 1.18rem; margin-bottom: 0.35rem; }
.pub-main .venue { color: var(--muted); font-size: 0.9rem; }
.pub-main .venue em { color: var(--text-dim); font-style: italic; }
.pub-link { font-family: var(--mono); font-size: 0.74rem; color: var(--gold-1); white-space: nowrap; transition: color 0.25s; display: inline-flex; align-items: center; gap: 0.4rem; }
.pub-link:hover { color: var(--text); }
.pub-link svg { width: 13px; height: 13px; }

/* ==========================================================================
   Certifications
   ========================================================================== */
.cert-groups { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.3rem; }
.cert-group { background: var(--ink-1); border: 1px solid var(--line-soft); border-radius: var(--radius); padding: 1.7rem; }
.cert-group h3 { font-family: var(--mono); font-size: 0.76rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--gold-1); margin-bottom: 1.3rem; }
.cert { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; padding: 0.75rem 0; border-top: 1px solid var(--line-soft); }
.cert:first-of-type { border-top: 0; }
.cert-name { color: var(--text-dim); font-size: 0.95rem; }
.cert-name b { color: var(--text); font-weight: 500; }
.cert-name .prog { font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.06em; color: #7fd3a3; border: 1px solid rgba(127,211,163,0.32); border-radius: 5px; padding: 1px 6px; margin-left: 0.5rem; text-transform: uppercase; }
.cert-meta { font-family: var(--mono); font-size: 0.74rem; color: var(--faint); white-space: nowrap; }
.cert-meta a { color: var(--gold-deep); transition: color 0.25s; }
.cert-meta a:hover { color: var(--gold-1); }

/* ==========================================================================
   Contact
   ========================================================================== */
.contact { text-align: center; }
.contact .section-title { font-size: clamp(2.4rem, 6vw, 4.2rem); margin-bottom: 1.4rem; }
.contact-lede { color: var(--text-dim); max-width: 48ch; margin: 0 auto 2.6rem; font-size: 1.08rem; }
.contact-mail { font-family: var(--serif); font-size: clamp(1.3rem, 3.6vw, 2.2rem); color: var(--gold-1); font-style: italic; display: inline-block; margin-bottom: 2.4rem; position: relative; }
.contact-mail::after { content: ""; position: absolute; left: 0; bottom: -4px; height: 1px; width: 0; background: var(--gold); transition: width 0.4s var(--ease); }
.contact-mail:hover::after { width: 100%; }
.contact-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; justify-content: center; }

/* ==========================================================================
   Footer
   ========================================================================== */
footer { border-top: 1px solid var(--line-soft); padding-block: 2.6rem; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.footer-inner .copy { font-family: var(--mono); font-size: 0.74rem; color: var(--faint); letter-spacing: 0.03em; }
.footer-socials { display: flex; gap: 1.3rem; }
.footer-socials a { color: var(--muted); transition: color 0.25s, transform 0.25s; display: inline-flex; }
.footer-socials a:hover { color: var(--gold-1); transform: translateY(-2px); }
.footer-socials svg { width: 18px; height: 18px; }

/* ==========================================================================
   Reveal animation
   ========================================================================== */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }
.reveal.d4 { transition-delay: 0.32s; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 940px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-portrait { order: -1; justify-self: start; }
  .portrait-frame { width: clamp(190px, 44vw, 240px); }
  .about-grid, .awards-grid { grid-template-columns: 1fr; gap: 40px; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .metric:last-child { grid-column: span 2; }
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .card.featured { grid-column: span 1; }
  .tl-item { grid-template-columns: 1fr; gap: 0.9rem; }
}
@media (max-width: 680px) {
  body { font-size: 16px; }
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  #nav.open .nav-links {
    display: flex; position: absolute; top: 74px; left: 0; right: 0; flex-direction: column;
    background: rgba(11,12,15,0.97); backdrop-filter: blur(14px); padding: 1.4rem var(--gutter);
    gap: 1.3rem; border-bottom: 1px solid var(--line);
  }
  .proj-grid, .skills-grid, .cert-groups { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: 1fr; }
  .metric:last-child { grid-column: span 1; }
  .pub { grid-template-columns: 1fr; gap: 0.4rem; }
  .pub-link { justify-self: start; margin-top: 0.4rem; }
  .hero-actions { width: 100%; }
  .btn { flex: 1; justify-content: center; }
}

/* ==========================================================================
   Justified prose
   ========================================================================== */
.hero-lede,
.about-copy p,
.card p,
.card.featured p,
.tl-body li,
.award p,
.pub-main .venue,
.section-intro,
.contact-lede {
  text-align: justify;
  text-justify: inter-word;
  -webkit-hyphens: auto;
  hyphens: auto;
}