:root {
  --ink: #102433;
  --navy: #0c2636;
  --navy-2: #143b4d;
  --ocean: #1f6c74;
  --seafoam: #9dc6b8;
  --paper: #f3e4c6;
  --paper-light: #fbf6e9;
  --red: #b33a32;
  --red-dark: #812922;
  --gold: #d39b3a;
  --sand: #d8bd86;
  --white: #fffdf8;
  --muted: #53646d;
  --line: rgba(16, 36, 51, 0.18);
  --shadow: 0 26px 70px rgba(5, 25, 36, 0.18);
  --radius: 20px;
  --max-width: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper-light);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 99;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.9'/%3E%3C/svg%3E");
}
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 {
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.05;
}
h2 { font-size: clamp(2.3rem, 5vw, 4.7rem); letter-spacing: -0.045em; }
h3 { font-size: 1.55rem; letter-spacing: -0.025em; }
::selection { color: var(--white); background: var(--red); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  transform: translateY(-160%);
  padding: 0.7rem 1rem;
  border-radius: 8px;
  color: var(--white);
  background: var(--red);
  font-weight: 800;
  transition: transform 0.2s ease;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 0 5vw;
  color: var(--white);
  border-bottom: 1px solid rgba(255,255,255,0.13);
  transition: background 0.25s ease, box-shadow 0.25s ease, min-height 0.25s ease;
}
.site-header.is-scrolled {
  min-height: 66px;
  background: rgba(12, 38, 54, 0.93);
  box-shadow: 0 10px 34px rgba(2, 17, 26, 0.18);
  backdrop-filter: blur(16px);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
}
.brand svg { width: 34px; height: 34px; }
.brand svg circle:first-child { fill: none; stroke: var(--gold); stroke-width: 2; }
.brand svg path { fill: var(--gold); }
.brand svg circle:last-child { fill: var(--navy); stroke: var(--paper); stroke-width: 1.5; }
.site-nav { display: flex; align-items: center; gap: clamp(1rem, 2.6vw, 2.2rem); }
.site-nav a {
  font-size: 0.83rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}
.site-nav a:not(.nav-cta) { position: relative; }
.site-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -7px;
  height: 2px;
  background: var(--gold);
  transition: right 0.2s ease;
}
.site-nav a:hover::after, .site-nav a:focus-visible::after { right: 0; }
.nav-cta {
  padding: 0.68rem 1rem;
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: 999px;
}
.nav-cta:hover { color: var(--navy); background: var(--gold); border-color: var(--gold); }
.menu-button { display: none; }

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(380px, 0.98fr);
  align-items: center;
  min-height: 100svh;
  padding: 130px max(5vw, calc((100vw - var(--max-width)) / 2)) 90px;
  color: var(--white);
  background:
    radial-gradient(circle at 72% 22%, rgba(211,155,58,0.16), transparent 24%),
    radial-gradient(circle at 12% 88%, rgba(31,108,116,0.34), transparent 30%),
    linear-gradient(120deg, #081c2a 0%, var(--navy) 52%, #17495b 100%);
  isolation: isolate;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 66px;
  background: var(--paper-light);
  clip-path: polygon(0 62%, 8% 50%, 17% 63%, 25% 45%, 34% 61%, 44% 40%, 54% 58%, 65% 42%, 76% 58%, 87% 41%, 100% 57%, 100% 100%, 0 100%);
}
.hero-map-lines {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.16;
  background-image:
    linear-gradient(rgba(255,255,255,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.07) 1px, transparent 1px);
  background-size: 70px 70px;
  mask-image: radial-gradient(circle at 70% 48%, black, transparent 69%);
}
.hero-copy { position: relative; z-index: 2; padding-right: clamp(1rem, 4vw, 4rem); }
.eyebrow {
  margin-bottom: 1.05rem;
  color: var(--red);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.hero .eyebrow, .section-dark .eyebrow, .contact .eyebrow { color: var(--gold); }
.hero h1 {
  max-width: 820px;
  margin-bottom: 1.5rem;
  font-size: clamp(3.6rem, 7.4vw, 7.6rem);
  letter-spacing: -0.068em;
  line-height: 0.9;
}
.hero h1 em { color: var(--paper); font-weight: 400; }
.hero-lede { max-width: 650px; margin-bottom: 2rem; color: rgba(255,255,255,0.78); font-size: clamp(1.05rem, 1.5vw, 1.28rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0.75rem 1.35rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.07em;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--white); background: var(--red); box-shadow: 0 14px 30px rgba(179,58,50,0.28); }
.button-primary:hover { background: var(--red-dark); box-shadow: 0 18px 36px rgba(179,58,50,0.34); }
.button-ghost { color: var(--white); border-color: rgba(255,255,255,0.35); background: rgba(255,255,255,0.04); }
.button-ghost:hover { border-color: var(--gold); color: var(--gold); }
.quick-stats { display: flex; gap: clamp(1.6rem, 4vw, 3.4rem); margin: 3rem 0 0; }
.quick-stats div { display: flex; flex-direction: column; }
.quick-stats dt { font-family: Georgia, "Times New Roman", serif; font-size: 1.65rem; font-weight: 700; color: var(--gold); }
.quick-stats dd { margin: 0; color: rgba(255,255,255,0.58); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; }

.hero-visual { position: relative; min-height: 580px; }
.navigator-card {
  position: absolute;
  top: 47%;
  left: 50%;
  z-index: 3;
  width: min(290px, 58%);
  padding: 2rem 1.6rem 1.5rem;
  color: var(--ink);
  background:
    linear-gradient(rgba(255,255,255,0.16), rgba(255,255,255,0.05)),
    var(--paper);
  border: 10px solid #d4b777;
  outline: 1px solid rgba(36,39,31,0.45);
  box-shadow: var(--shadow);
  text-align: center;
  transform: translate(-50%, -50%) rotate(2deg);
}
.navigator-card::before,
.navigator-card::after {
  content: "";
  position: absolute;
  width: 30px;
  height: 30px;
  border: solid rgba(73,54,30,0.48);
}
.navigator-card::before { top: 8px; left: 8px; border-width: 2px 0 0 2px; }
.navigator-card::after { right: 8px; bottom: 8px; border-width: 0 2px 2px 0; }
.card-kicker { margin-bottom: 0.7rem; color: var(--red); font-size: 0.67rem; font-weight: 900; letter-spacing: 0.18em; text-transform: uppercase; }
.portrait-mark { position: relative; display: grid; place-items: center; width: 142px; height: 142px; margin: 0 auto 1rem; }
.portrait-mark svg { position: absolute; inset: 0; color: var(--red); }
.portrait-mark svg circle { fill: none; stroke: currentColor; stroke-width: 1.5; opacity: 0.55; }
.portrait-mark svg path { fill: none; stroke: currentColor; stroke-width: 1.2; opacity: 0.4; }
.portrait-mark span { font-family: Georgia, "Times New Roman", serif; font-size: 2.7rem; font-weight: 700; }
.navigator-card h2 { margin-bottom: 0.25rem; font-size: 2.05rem; }
.navigator-card > p:not(.card-kicker) { margin-bottom: 0.9rem; font-size: 0.86rem; letter-spacing: 0.06em; text-transform: uppercase; }
.card-stamp { display: inline-block; padding: 0.32rem 0.75rem; color: var(--red-dark); border: 2px solid currentColor; border-radius: 4px; font-weight: 900; letter-spacing: 0.1em; text-transform: uppercase; transform: rotate(-3deg); }
.route-map { position: absolute; inset: 5% 0 0; width: 100%; height: 100%; overflow: visible; }
.route { fill: none; stroke: rgba(211,155,58,0.22); stroke-width: 20; stroke-linecap: round; }
.route-dash { fill: none; stroke: var(--gold); stroke-width: 2.5; stroke-dasharray: 9 10; stroke-linecap: round; }
.island circle { fill: rgba(243,228,198,0.08); stroke: var(--sand); stroke-width: 1.5; }
.island path { fill: var(--seafoam); opacity: 0.78; }
.ship path { fill: var(--gold); stroke: var(--navy); stroke-width: 1; }
.ship path:nth-child(2) { fill: none; stroke: var(--paper); stroke-width: 2; }
.compass circle { fill: rgba(12,38,54,0.65); stroke: var(--gold); stroke-width: 1.4; }
.compass path { fill: var(--gold); }
.compass text { fill: var(--gold); font-family: Georgia, serif; font-size: 13px; text-anchor: middle; }
.scroll-cue { position: absolute; bottom: 72px; left: 50%; z-index: 4; display: flex; flex-direction: column; align-items: center; color: rgba(255,255,255,0.56); font-size: 0.64rem; font-weight: 800; letter-spacing: 0.14em; text-decoration: none; text-transform: uppercase; transform: translateX(-50%); }
.scroll-cue span:last-child { margin-top: 0.25rem; color: var(--gold); font-size: 1rem; animation: bob 1.5s ease-in-out infinite; }
@keyframes bob { 50% { transform: translateY(5px); } }

.section { padding: clamp(5.5rem, 10vw, 9rem) max(5vw, calc((100vw - var(--max-width)) / 2)); }
.section-light { background: var(--paper-light); }
.section-parchment {
  background:
    radial-gradient(circle at 20% 20%, rgba(211,155,58,0.08), transparent 25%),
    radial-gradient(circle at 82% 70%, rgba(179,58,50,0.055), transparent 24%),
    var(--paper);
}
.section-dark { color: var(--white); background: var(--navy); }
.section-heading { max-width: 820px; margin-bottom: clamp(3rem, 6vw, 5.5rem); }
.section-heading h2 { margin-bottom: 1rem; }
.section-heading > p:last-child { max-width: 660px; color: var(--muted); font-size: 1.04rem; }
.section-dark .section-heading > p:last-child { color: rgba(255,255,255,0.66); }

.about-grid { display: grid; grid-template-columns: 1fr 0.9fr; gap: clamp(3rem, 9vw, 8rem); align-items: start; }
.about-copy { font-size: 1.04rem; color: var(--muted); }
.large-copy { color: var(--ink); font-family: Georgia, "Times New Roman", serif; font-size: clamp(1.45rem, 2.8vw, 2.25rem); line-height: 1.35; }
.principles { border-top: 1px solid var(--line); }
.principles article { display: grid; grid-template-columns: 52px 1fr; gap: 1rem; padding: 1.35rem 0; border-bottom: 1px solid var(--line); }
.principles article > span { color: var(--red); font-family: Georgia, serif; font-size: 1.15rem; font-weight: 700; }
.principles h3 { margin-bottom: 0.3rem; font-size: 1.22rem; }
.principles p { margin-bottom: 0; color: var(--muted); font-size: 0.92rem; }

.timeline { position: relative; max-width: 1000px; margin: 0 auto; }
.timeline::before { content: ""; position: absolute; top: 0; bottom: 0; left: 180px; width: 1px; background: rgba(255,255,255,0.16); }
.timeline-item { display: grid; grid-template-columns: 150px 60px 1fr; align-items: start; margin-bottom: 3.2rem; }
.timeline-date { padding-top: 0.35rem; color: var(--gold); font-size: 0.75rem; font-weight: 900; letter-spacing: 0.12em; text-transform: uppercase; }
.timeline-marker { position: relative; width: 60px; min-height: 20px; }
.timeline-marker::before { content: ""; position: absolute; top: 5px; left: 24px; width: 13px; height: 13px; border: 3px solid var(--navy); border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 1px var(--gold); }
.timeline-card { position: relative; padding: 0 0 2.2rem 2rem; border-bottom: 1px solid rgba(255,255,255,0.12); }
.timeline-label { margin-bottom: 0.55rem; color: var(--seafoam); font-size: 0.68rem; font-weight: 900; letter-spacing: 0.14em; text-transform: uppercase; }
.timeline-card h3 { margin-bottom: 0.4rem; font-size: clamp(1.8rem, 3vw, 2.55rem); }
.timeline-card > p:last-child { max-width: 700px; margin-bottom: 0; color: rgba(255,255,255,0.64); }
.timeline-subtitle { color: var(--paper) !important; font-weight: 700; }
.certification-card { padding-right: 100px; }
.seal { position: absolute; top: 0; right: 10px; display: grid; place-items: center; width: 74px; height: 74px; color: var(--navy); border: 5px double var(--navy); border-radius: 50%; background: var(--gold); font-family: Georgia, serif; font-weight: 900; box-shadow: 0 0 0 2px var(--gold); transform: rotate(7deg); }

.project-toolbar { display: flex; flex-wrap: wrap; gap: 0.65rem; margin: -2rem 0 2.5rem; }
.filter-button { padding: 0.55rem 0.95rem; color: var(--ink); border: 1px solid rgba(16,36,51,0.25); border-radius: 999px; background: transparent; cursor: pointer; font-size: 0.72rem; font-weight: 900; letter-spacing: 0.08em; text-transform: uppercase; }
.filter-button:hover, .filter-button:focus-visible, .filter-button.is-active { color: var(--white); border-color: var(--red); background: var(--red); }
.project-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.project-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 420px;
  padding: clamp(1.6rem, 3vw, 2.4rem);
  border: 1px solid rgba(16,36,51,0.18);
  border-radius: var(--radius);
  background: rgba(255,253,248,0.73);
  box-shadow: 0 14px 40px rgba(90,69,37,0.07);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease;
}
.project-card::after { content: ""; position: absolute; top: -50px; right: -50px; width: 120px; height: 120px; border: 1px solid rgba(179,58,50,0.13); border-radius: 50%; box-shadow: 0 0 0 18px rgba(179,58,50,0.035), 0 0 0 38px rgba(179,58,50,0.025); }
.project-card:hover { transform: translateY(-5px) rotate(-0.25deg); box-shadow: 0 22px 50px rgba(90,69,37,0.13); }
.project-card.is-hidden { display: none; }
.project-featured { grid-column: span 2; min-height: auto; background: var(--navy); color: var(--white); }
.project-featured::after { width: 220px; height: 220px; top: -90px; right: -70px; border-color: rgba(211,155,58,0.28); box-shadow: 0 0 0 28px rgba(211,155,58,0.03), 0 0 0 58px rgba(211,155,58,0.025); }
.project-number { margin-bottom: 1.1rem; color: var(--red); font-family: Georgia, serif; font-size: 1.2rem; font-weight: 700; }
.project-featured .project-number { color: var(--gold); }
.project-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.4rem; }
.project-tags span { padding: 0.32rem 0.58rem; border: 1px solid rgba(16,36,51,0.2); border-radius: 999px; font-size: 0.64rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.project-featured .project-tags span { color: var(--seafoam); border-color: rgba(157,198,184,0.35); }
.project-card h3 { max-width: 680px; margin-bottom: 1rem; font-size: clamp(1.7rem, 3vw, 2.6rem); }
.project-card > p { max-width: 740px; color: var(--muted); }
.project-featured > p, .project-featured details p { color: rgba(255,255,255,0.67); }
.project-metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); max-width: 680px; margin: 1.4rem 0 1.6rem; border-top: 1px solid rgba(255,255,255,0.16); border-bottom: 1px solid rgba(255,255,255,0.16); }
.project-metrics div { padding: 1rem; border-right: 1px solid rgba(255,255,255,0.16); }
.project-metrics div:first-child { padding-left: 0; }
.project-metrics div:last-child { border-right: 0; }
.project-metrics dt { color: var(--gold); font-family: Georgia, serif; font-size: 1.8rem; font-weight: 700; }
.project-metrics dd { margin: 0; color: rgba(255,255,255,0.5); font-size: 0.67rem; letter-spacing: 0.08em; text-transform: uppercase; }
.project-metrics.compact { grid-template-columns: repeat(2, minmax(0, 1fr)); margin: auto 0 0; border-color: var(--line); }
.project-metrics.compact div { border-color: var(--line); }
.project-metrics.compact dt { color: var(--red); font-size: 1.4rem; }
.project-metrics.compact dd { color: var(--muted); }
.project-card details { max-width: 760px; }
.project-card summary { color: var(--gold); cursor: pointer; font-weight: 800; }
.project-card details p { margin: 0.8rem 0 0; }
.confidential-note { margin-top: auto; margin-bottom: 0 !important; padding-top: 1.5rem; border-top: 1px solid var(--line); font-size: 0.78rem; font-style: italic; }

.skills-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.skill-card { padding: 1.8rem; border-top: 3px solid var(--red); background: var(--white); box-shadow: 0 16px 45px rgba(5,25,36,0.07); }
.skill-card:nth-child(2) { border-top-color: var(--ocean); }
.skill-card:nth-child(3) { border-top-color: var(--gold); }
.skill-card:nth-child(4) { border-top-color: var(--seafoam); }
.skill-icon { display: grid; place-items: center; width: 43px; height: 43px; margin-bottom: 2rem; color: var(--white); border-radius: 50%; background: var(--navy); font-family: Georgia, serif; font-size: 1.2rem; }
.skill-card h3 { margin-bottom: 1.1rem; font-size: 1.3rem; }
.skill-card ul { margin: 0; padding: 0; list-style: none; color: var(--muted); font-size: 0.9rem; }
.skill-card li { padding: 0.42rem 0; border-bottom: 1px solid var(--line); }
.personal-card p { color: var(--muted); font-size: 0.9rem; }

.contact { position: relative; display: grid; place-items: center; min-height: 620px; padding: 7rem 5vw; color: var(--white); background: linear-gradient(145deg, var(--navy), #164d5b); overflow: hidden; }
.contact::before, .contact::after { content: ""; position: absolute; border: 1px solid rgba(211,155,58,0.2); border-radius: 50%; }
.contact::before { width: 450px; height: 450px; left: -170px; top: -130px; box-shadow: 0 0 0 60px rgba(211,155,58,0.025), 0 0 0 120px rgba(211,155,58,0.018); }
.contact::after { width: 320px; height: 320px; right: -100px; bottom: -130px; box-shadow: 0 0 0 50px rgba(157,198,184,0.025); }
.contact-content { position: relative; z-index: 2; max-width: 820px; text-align: center; }
.contact-content h2 { margin-bottom: 1.2rem; }
.contact-content > p:not(.eyebrow):not(.contact-location) { max-width: 620px; margin: 0 auto 2rem; color: rgba(255,255,255,0.68); font-size: 1.08rem; }
.social-links { display: flex; justify-content: center; gap: 0.8rem; margin-top: 1.2rem; }
.social-links a { display: grid; place-items: center; width: 44px; height: 44px; color: var(--seafoam); border: 1px solid rgba(157,198,184,0.45); border-radius: 50%; transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease; }
.social-links svg { width: 22px; height: 22px; }
.social-links a:hover, .social-links a:focus-visible { color: var(--navy); background: var(--gold); border-color: var(--gold); }
.social-links a:focus-visible { outline: 2px solid var(--white); outline-offset: 4px; }
.contact-location { margin-top: 1.2rem; color: var(--seafoam); font-size: 0.77rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; }
.contact-map { position: absolute; inset: 0; opacity: 0.12; background-image: linear-gradient(rgba(255,255,255,0.07) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.07) 1px, transparent 1px); background-size: 80px 80px; }
.contact-map span { position: absolute; width: 13px; height: 13px; border: 2px solid var(--gold); border-radius: 50%; }
.contact-map span:nth-child(1) { top: 23%; left: 18%; }
.contact-map span:nth-child(2) { top: 61%; left: 29%; }
.contact-map span:nth-child(3) { top: 35%; right: 26%; }
.contact-map span:nth-child(4) { bottom: 21%; right: 14%; }

.site-footer { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.4rem 5vw; color: rgba(255,255,255,0.58); background: #071923; font-size: 0.75rem; }
.site-footer p { margin: 0; }
.site-footer a { color: var(--gold); text-decoration: none; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1040px) {
  .hero { grid-template-columns: 1fr 0.8fr; }
  .hero-visual { min-height: 520px; }
  .navigator-card { width: min(250px, 68%); }
  .skills-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 800px) {
  .site-header { min-height: 68px; padding-inline: 1.2rem; }
  .menu-button { display: grid; gap: 5px; padding: 0.6rem; border: 0; background: transparent; cursor: pointer; }
  .menu-button > span:not(.sr-only) { display: block; width: 25px; height: 2px; background: var(--white); transition: transform 0.2s ease, opacity 0.2s ease; }
  .menu-button[aria-expanded="true"] > span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-button[aria-expanded="true"] > span:nth-child(2) { opacity: 0; }
  .menu-button[aria-expanded="true"] > span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .site-nav { position: absolute; top: 100%; left: 0; right: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 1rem 1.2rem 1.4rem; background: rgba(12,38,54,0.98); border-bottom: 1px solid rgba(255,255,255,0.14); }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 0.85rem 0; }
  .nav-cta { margin-top: 0.5rem; text-align: center; }
  .hero { grid-template-columns: 1fr; padding: 116px 1.2rem 100px; }
  .hero-copy { padding-right: 0; }
  .hero h1 { font-size: clamp(3.4rem, 16vw, 6rem); }
  .hero-visual { min-height: 520px; margin-top: 2rem; }
  .hero-map-lines { background-size: 45px 45px; }
  .scroll-cue { display: none; }
  .section { padding-inline: 1.2rem; }
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .timeline::before { left: 10px; }
  .timeline-item { grid-template-columns: 34px 1fr; }
  .timeline-date { grid-column: 2; margin-bottom: 0.8rem; }
  .timeline-marker { grid-column: 1; grid-row: 1 / span 2; width: 20px; }
  .timeline-marker::before { left: 4px; }
  .timeline-card { grid-column: 2; padding-left: 0; }
  .project-grid { grid-template-columns: 1fr; }
  .project-featured { grid-column: span 1; }
  .project-card { min-height: auto; }
}

@media (max-width: 560px) {
  .hero { min-height: auto; }
  .hero h1 { letter-spacing: -0.06em; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .quick-stats { gap: 1rem; justify-content: space-between; }
  .quick-stats dt { font-size: 1.35rem; }
  .quick-stats dd { max-width: 80px; font-size: 0.6rem; }
  .hero-visual { min-height: 470px; }
  .navigator-card { width: 235px; }
  .route-map { inset: 2% -16% 0; width: 130%; }
  .section-heading { margin-bottom: 3.3rem; }
  .project-metrics { grid-template-columns: 1fr; }
  .project-metrics div { padding: 0.8rem 0; border-right: 0; border-bottom: 1px solid rgba(255,255,255,0.16); }
  .project-metrics div:last-child { border-bottom: 0; }
  .project-metrics.compact { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .project-metrics.compact div { padding-inline: 0.75rem; border-right: 1px solid var(--line); border-bottom: 0; }
  .project-metrics.compact div:first-child { padding-left: 0; }
  .project-metrics.compact div:last-child { border-right: 0; }
  .skills-grid { grid-template-columns: 1fr; }
  .certification-card { padding-right: 0; padding-bottom: 100px; }
  .seal { top: auto; right: auto; bottom: 18px; left: 0; }
  .contact .button { font-size: 0.68rem; }
  .site-footer { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header, .hero-visual, .scroll-cue, .project-toolbar, .contact-map { display: none !important; }
  .hero, .section, .contact { min-height: 0; padding: 2rem; color: #000; background: #fff; }
  .hero::after { display: none; }
  .reveal { opacity: 1; transform: none; }
  .project-grid, .skills-grid { grid-template-columns: 1fr 1fr; }
  .project-card, .skill-card, .timeline-card { color: #000; background: #fff; box-shadow: none; break-inside: avoid; }
}

/* Research case studies: scoped to the two internship projects. */
.research-case { grid-column: 1 / -1; padding: clamp(1.4rem, 4vw, 3rem); }
.research-case:hover { transform: none; }
.research-case::after { pointer-events: none; }
.case-topline { display:flex; justify-content:space-between; flex-wrap:wrap; gap:.6rem; padding-bottom:1.2rem; margin-bottom:2rem; border-bottom:1px solid currentColor; color:var(--gold); font-size:.68rem; text-transform:uppercase; letter-spacing:.12em; font-weight:800; }
.case-intro { display:grid; grid-template-columns:1.3fr 1fr; gap:3rem; align-items:center; }
.case-intro h3 { font-size:clamp(2rem,4vw,3.4rem); }
.case-intro > div > p { color:var(--seafoam); font-size:.88rem; }
.case-question { color:#d3dfe2; font-size:1.04rem; }
.research-stats { display:grid; grid-template-columns:repeat(3,1fr); border-block:1px solid #38515c; margin:1.6rem 0 2rem; }
.research-stats > div { padding:1.25rem 1rem; border-right:1px solid #38515c; }
.research-stats > div:first-child { padding-left:0; }
.research-stats > div:last-child { border-right:0; }
.research-stats strong { display:block; font:2.6rem Georgia,serif; color:var(--gold); }
.research-stats span { display:block; margin-top:.5rem; font-size:.76rem; color:#c8d6db; }
.research-panels { display:grid; grid-template-columns:1fr 1fr; gap:1.2rem; }
.research-panel { margin:0; min-width:0; padding:1.5rem; background:#143543; border:1px solid #35515b; border-radius:12px; }
.figure-number { color:var(--seafoam); text-transform:uppercase; letter-spacing:.12em; font-size:.65rem; font-weight:800; }
.research-panel h4,.deal-evidence h4 { margin:.65rem 0 1.4rem; font:1.35rem/1.25 Georgia,serif; }
.chart-controls { display:flex; flex-wrap:wrap; gap:.4rem; margin-bottom:1.8rem; }
.chart-controls button { border:1px solid #6a8b95; color:#dfebec; background:transparent; padding:.45rem .65rem; border-radius:5px; font-size:.7rem; cursor:pointer; }
.chart-controls button[aria-pressed="true"] { color:var(--navy); background:var(--seafoam); border-color:var(--seafoam); }
.bar-row { margin-bottom:1.2rem; }
.bar-row > div:first-child { display:flex; justify-content:space-between; gap:.7rem; margin-bottom:.45rem; font-size:.8rem; }
.bar-track { height:15px; background:#294956; border-radius:3px; overflow:hidden; }
.bar-track span { display:block; height:100%; transition:width .3s ease; }
.bar-reported { background:var(--seafoam); }
.bar-desmoothed { background:var(--gold); }
.chart-axis { display:flex; justify-content:space-between; color:#b4c7ce; font-size:.65rem; }
.chart-takeaway { margin:1.3rem 0 0; font-size:.78rem; color:#dfebec; }
.range-chart { width:100%; margin-top:1.8rem; overflow:visible; }
.range-grid { stroke:#355563; stroke-width:1; }.range-grid .zero-line { stroke:#91a9b2; stroke-dasharray:4 4; }
.range-label { fill:#e0eaed; font-size:13px; }.range-values { fill:#bfcfd5; font-size:12px; text-anchor:middle; }
.range-reported { stroke:var(--seafoam); stroke-width:10; stroke-linecap:round; }.range-desmoothed { stroke:var(--gold); stroke-width:10; stroke-linecap:round; }.median-dot { fill:var(--white); stroke:var(--navy); stroke-width:2; }
.chart-caption { color:#c8d6db; font-size:.69rem; margin:1rem 0 0; }
.research-case .method-details { max-width:none; padding:1.3rem 0; margin-top:.7rem; }
.method-details summary { font-size:.85rem; }
.factor-grid { display:grid; grid-template-columns:repeat(5,1fr); gap:.8rem; margin:1.4rem 0; }
.factor-grid > div { padding:.75rem; border:1px solid #38515c; border-radius:6px; }.factor-grid span { display:block; font-size:.65rem; color:#c8d6db; }.factor-grid strong { font-size:1.1rem; color:var(--seafoam); }
.case-conclusion { display:grid; grid-template-columns:180px 1fr; gap:1.5rem; padding:1.5rem 0; margin-top:1rem; border-block:1px solid #38515c; }
.case-conclusion > span { color:var(--gold); font-size:.67rem; font-weight:800; text-transform:uppercase; letter-spacing:.09em; }.case-conclusion p { margin:0; font-size:.9rem; }
.research-case .source-note { margin:1rem 0 0; max-width:none; font-size:.68rem; color:#b8ccd3; line-height:1.65; }
.deal-case { background:#fffaf0; }.deal-case .case-topline { color:var(--red-dark); }.deal-case .case-intro > div > p,.deal-case .case-question { color:var(--muted); }
.decision-path { display:grid; grid-template-columns:repeat(4,1fr); margin:1.5rem 0 2rem; border:1px solid var(--line); border-radius:8px; overflow:hidden; }.decision-path > * { padding:.9rem; border-right:1px solid var(--line); font-size:.75rem; text-align:center; }.decision-path strong { background:var(--red-dark); color:white; text-transform:uppercase; letter-spacing:.12em; }
.deal-layout { display:grid; grid-template-columns:1fr 1.35fr; gap:1.5rem; }.diligence-options { display:grid; gap:.65rem; }.diligence-options button { text-align:left; display:grid; gap:.4rem; padding:1rem 1.1rem; border:1px solid var(--line); background:transparent; border-radius:8px; color:var(--ink); cursor:pointer; }.diligence-options button span { font-size:.67rem; color:var(--muted); }.diligence-options button strong { font-size:.88rem; }.diligence-options button[aria-pressed="true"] { background:var(--navy); color:white; border-color:var(--navy); }.diligence-options button[aria-pressed="true"] span { color:var(--seafoam); }
.deal-evidence { padding:1.6rem; border:1px solid var(--line); border-radius:10px; background:#f3ead8; }.deal-evidence .figure-number { color:var(--red-dark); }.deal-evidence > p { color:var(--muted); font-size:.88rem; }.evidence-flow { display:flex; align-items:center; gap:.55rem; margin-bottom:1.5rem; }.evidence-flow span { flex:1; padding:.55rem; text-align:center; background:var(--white); border:1px solid var(--line); border-radius:4px; font-size:.7rem; font-weight:700; }.evidence-flow i { color:var(--red-dark); }.evidence-question { border-top:1px solid var(--line); padding-top:1rem; }.evidence-question > span { color:var(--red-dark); font-size:.7rem; font-weight:800; }.evidence-question p { margin:.5rem 0 0; font-size:.8rem; }
.deal-case .case-conclusion { border-color:var(--line); }.deal-case .case-conclusion > span { color:var(--red-dark); }.deal-case .source-note { color:var(--muted); }
.research-case button:focus-visible,.research-case summary:focus-visible { outline:3px solid var(--gold); outline-offset:4px; }
@media(max-width:800px) { .case-intro,.research-panels,.deal-layout { grid-template-columns:1fr; gap:1rem; }.case-conclusion { grid-template-columns:1fr; gap:.6rem; }.factor-grid { grid-template-columns:repeat(2,1fr); }.research-stats strong { font-size:2rem; } }
@media(max-width:480px) { .research-stats { grid-template-columns:1fr; }.research-stats > div { padding:.8rem 0; border-right:0; border-bottom:1px solid #38515c; }.research-stats > div:last-child { border-bottom:0; }.research-stats strong { font-size:2.1rem; }.decision-path { grid-template-columns:repeat(2,1fr); }.decision-path > * { border-bottom:1px solid var(--line); }.research-panel,.deal-evidence { padding:1rem; }.evidence-flow { gap:.3rem; }.evidence-flow span { padding:.4rem; font-size:.65rem; } }