/* ============================================================
   Nick French, "Built for the Long Run"
   Single-page executive profile. No build step, no dependencies.
   ============================================================ */

/* ---- Tokens ---------------------------------------------- */
:root{
  --ink:      #04060b;
  --navy:     #080d18;
  --navy-2:   #0b1322;

  --text:     #e9eff8;
  --silver:   #c2cee1;
  --muted:    #8b9bb4;
  --steel:    #7f9dc9;

  --cobalt:   #3f7dff;
  --cyan:     #6fe3ff;

  --line:     rgba(150,185,235,.14);
  --line-soft:rgba(150,185,235,.08);
  --panel:    rgba(140,175,225,.035);

  --sans: "Inter", ui-sans-serif, system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --serif:"Instrument Serif", "Iowan Old Style", Georgia, "Times New Roman", serif;

  --maxw: 1180px;
  --gut:  clamp(20px, 5vw, 64px);
  --route-w: clamp(28px, 4vw, 56px);
  --ease: cubic-bezier(.22,.68,.16,1);
}

/* ---- Reset ----------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body,h1,h2,h3,p,figure,blockquote,ul{margin:0}
ul{padding:0;list-style:none}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}

html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  font-family:var(--sans);
  font-size:clamp(16px,.55vw + 14.4px,17.5px);
  line-height:1.72;
  color:var(--silver);
  background:var(--ink);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

/* Topographic backdrop: one fixed, composited layer. No masks, no filters. */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:url("assets/topo.svg") center/cover no-repeat;
  opacity:.13;
}
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(115% 80% at 50% 0%,transparent 30%,rgba(4,6,11,.72) 100%);
}
main,.nav,.foot{position:relative;z-index:1}
.defs{position:absolute;width:0;height:0;overflow:hidden}

/* ---- Shared bits ----------------------------------------- */
.wrap{width:min(var(--maxw),100% - var(--gut)*2);margin-inline:auto}

.skip-link{
  position:fixed;top:10px;left:10px;z-index:200;
  transform:translateY(-200%);
  padding:10px 16px;border:1px solid var(--line);border-radius:999px;
  background:var(--navy);color:var(--text);font-size:14px;
}
.skip-link:focus{transform:none}

:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:2px}

.eyebrow{
  display:flex;align-items:center;gap:12px;
  font-size:11.5px;font-weight:600;letter-spacing:.24em;text-transform:uppercase;
  color:var(--steel);margin-bottom:18px;
}
.eyebrow::before{
  content:"";width:clamp(18px,3vw,34px);height:1px;flex:none;
  background:linear-gradient(90deg,var(--cyan),transparent);
}

h1,h2,h3{font-weight:600;letter-spacing:-.025em;line-height:1.08;color:var(--text)}
h2{font-size:clamp(1.85rem,3.6vw,2.9rem);letter-spacing:-.03em;line-height:1.12}
h3{font-size:.82rem;letter-spacing:.16em;text-transform:uppercase;color:var(--steel);font-weight:600}

p + p{margin-top:1.1em}
.lead{
  font-size:clamp(1.08rem,1.1vw + .85rem,1.42rem);
  line-height:1.6;color:#dbe5f3;letter-spacing:-.011em;
}
.lead + p{margin-top:1.35em}

/* Editable placeholders: deliberately visible until filled in */
.ph{
  color:#9fe8ff;
  font-size:.94em;letter-spacing:.02em;
  border-bottom:1px dashed rgba(159,232,255,.42);
  padding-bottom:1px;
  -webkit-box-decoration-break:clone;box-decoration-break:clone;
}

.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 24px;border-radius:999px;
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(63,125,255,.16),rgba(63,125,255,.04));
  color:var(--text);font-size:14.5px;font-weight:500;letter-spacing:.01em;
  transition:border-color .35s var(--ease),background .35s var(--ease),transform .35s var(--ease);
}
.btn::after{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
.btn:hover{border-color:rgba(111,227,255,.5);background:linear-gradient(180deg,rgba(63,125,255,.28),rgba(63,125,255,.08));transform:translateY(-1px)}

/* ---- The "40" mark --------------------------------------- */
.mark{fill:none;stroke:url(#markGrad);stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.mark__signal{fill:var(--cyan);stroke:none;filter:drop-shadow(0 0 6px rgba(111,227,255,.9))}

/* ---- Intro ----------------------------------------------- */
html.intro-active,html.intro-active body{overflow:hidden}
html.no-js .intro{display:none}
.intro{
  position:fixed;inset:0;z-index:150;
  display:grid;place-items:center;
  background:radial-gradient(120% 100% at 50% 40%,#0a1220 0%,#04060b 62%);
  transition:opacity .9s var(--ease),visibility .9s;
}
.intro.is-done{opacity:0;visibility:hidden;pointer-events:none}
.intro__inner{text-align:center;padding:24px}
.mark--intro{width:clamp(150px,26vw,240px);height:auto;margin:0 auto 34px;stroke-width:3.2}
.mark__path{stroke-dasharray:100;stroke-dashoffset:100;animation:draw 1.5s var(--ease) forwards}
.mark__path--b{animation-delay:.42s}
@keyframes draw{to{stroke-dashoffset:0}}
/* the signal only appears once it is riding the route */
.mark--intro .mark__signal{opacity:0;animation:fadeSignal .5s linear 1.15s forwards}
@keyframes fadeSignal{to{opacity:1}}

.intro__line{
  font-size:clamp(1.5rem,4.4vw,2.5rem);color:var(--text);
  letter-spacing:-.02em;font-weight:500;
  opacity:0;animation:riseIn .9s var(--ease) .95s forwards;
}
.intro__sub{
  font-family:var(--serif);font-style:italic;
  font-size:clamp(1.05rem,2.4vw,1.5rem);color:var(--steel);margin-top:8px;
  opacity:0;animation:riseIn .9s var(--ease) 1.25s forwards;
}
@keyframes riseIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

.intro__skip{
  position:absolute;bottom:clamp(24px,5vh,48px);left:50%;transform:translateX(-50%);
  font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);
  padding:10px 18px;border:1px solid var(--line-soft);border-radius:999px;
  transition:color .3s,border-color .3s;
}
.intro__skip:hover{color:var(--text);border-color:var(--line)}

/* ---- Nav ------------------------------------------------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(4,6,11,.55);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .4s var(--ease),border-color .4s var(--ease),opacity .6s var(--ease);
}
html.intro-active .nav{opacity:0}
.nav.is-scrolled{background:rgba(4,6,11,.82);border-bottom-color:var(--line-soft)}
.nav__wrap{
  width:min(var(--maxw),100% - var(--gut)*2);margin-inline:auto;
  height:62px;display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.nav__mark{display:flex;align-items:center;gap:12px}
.mark--tiny{width:26px;height:auto;stroke-width:6;opacity:.95}
.nav__name{font-size:14px;font-weight:600;letter-spacing:.02em;color:var(--text)}
.nav__links{display:flex;gap:clamp(16px,2.4vw,34px)}
.nav__links a{
  font-size:12.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);
  transition:color .3s;position:relative;padding:4px 0;
}
.nav__links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--cyan);
  transition:right .35s var(--ease);
}
.nav__links a:hover{color:var(--text)}
.nav__links a:hover::after{right:0}
.nav__progress{
  height:1px;width:0;
  background:linear-gradient(90deg,var(--cobalt),var(--cyan));
  box-shadow:0 0 8px rgba(111,227,255,.6);
}
@media (max-width:700px){.nav__links{display:none}}

/* ---- Hero ------------------------------------------------ */
.hero{position:relative;padding:clamp(110px,16vh,180px) 0 clamp(40px,7vh,72px)}
.hero::before{
  content:"";position:absolute;inset:-10% -20% 20% -20%;z-index:-1;pointer-events:none;
  background:radial-gradient(50% 55% at 62% 34%,rgba(63,125,255,.20),transparent 70%),
             radial-gradient(40% 40% at 18% 62%,rgba(111,227,255,.10),transparent 70%);
}
.hero__grid{
  display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);
  gap:clamp(32px,5vw,72px);align-items:center;
}
.hero__name{
  font-size:clamp(2.9rem,6.6vw,5.9rem);font-weight:600;letter-spacing:-.045em;line-height:.96;
  background:linear-gradient(168deg,#ffffff 6%,#cfdcee 46%,#8fa8c8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:22px;
}
.hero__roles{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:clamp(12px,1.1vw,13.5px);letter-spacing:.2em;text-transform:uppercase;
  color:var(--text);font-weight:500;
}
.hero__roles i{color:var(--cobalt);font-style:normal;opacity:.8}
.hero__tag{
  margin-top:24px;max-width:34ch;
  font-family:var(--serif);font-size:clamp(1.15rem,1.5vw,1.5rem);line-height:1.45;
  color:#c9d6e9;letter-spacing:.002em;
}
.hero__meta{margin-top:34px;display:flex;flex-wrap:wrap;align-items:center;gap:18px 26px}
.coords{
  font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);
  font-variant-numeric:tabular-nums;
}

/* Portrait */
.portrait{position:relative}
.portrait__frame{
  position:relative;aspect-ratio:4/5;overflow:hidden;border-radius:3px;
  border:1px solid var(--line);
  background:linear-gradient(160deg,#0d1626,#070b14);
  box-shadow:0 40px 90px -40px rgba(0,0,0,.9),0 0 0 1px rgba(255,255,255,.02) inset;
}
.portrait__frame img{width:100%;height:100%;object-fit:cover;filter:saturate(.5) contrast(1.06) brightness(.94)}
.portrait.is-placeholder .portrait__frame img{filter:none;object-fit:cover}
.portrait__frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(8,13,24,0) 45%,rgba(6,9,17,.55) 100%),
             linear-gradient(120deg,rgba(63,125,255,.13),transparent 55%);
}
.portrait__corner{
  position:absolute;width:22px;height:22px;z-index:2;pointer-events:none;
  filter:drop-shadow(0 0 3px rgba(0,0,0,.55));
}
.portrait__corner--tl{top:12px;left:12px;border-top:1px solid var(--cyan);border-left:1px solid var(--cyan);opacity:.9}
.portrait__corner--br{bottom:12px;right:12px;border-bottom:1px solid var(--cyan);border-right:1px solid var(--cyan);opacity:.9}
.portrait__cap{
  margin-top:12px;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);
}

/* Fact strip */
.hero__strip{
  margin-top:clamp(48px,8vh,86px);padding-top:22px;
  border-top:1px solid var(--line-soft);
  display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:22px 18px;
}
.fact{display:flex;flex-direction:column;gap:6px}
.fact__k{font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.fact__v{font-size:15px;color:var(--text);font-weight:500;letter-spacing:.01em}

.scroll-hint{
  margin-top:clamp(34px,6vh,56px);display:flex;align-items:center;gap:12px;
  justify-content:center;
  font-size:10.5px;letter-spacing:.28em;text-transform:uppercase;color:var(--muted);
}
.scroll-hint span{
  width:1px;height:34px;background:linear-gradient(180deg,transparent,var(--cyan));
  animation:pulseLine 2.6s var(--ease) infinite;
}
@keyframes pulseLine{0%,100%{opacity:.25;transform:scaleY(.7)}50%{opacity:1;transform:scaleY(1)}}

@media (max-width:520px){
  .hero__roles{font-size:11px;letter-spacing:.14em;gap:9px}
}
@media (max-width:880px){
  .hero{padding-top:104px}
  .hero__grid{grid-template-columns:1fr;gap:36px}
  .hero__tag{max-width:46ch}
  .portrait{max-width:440px}
  .scroll-hint{justify-content:flex-start}
}

/* ---- Story + route line ---------------------------------- */
.story{position:relative;padding:clamp(40px,7vh,80px) 0 clamp(30px,5vh,60px)}
.route{
  position:absolute;top:0;height:100%;width:var(--route-w);
  left:max(6px, calc(50% - min(var(--maxw), 100vw - var(--gut)*2)/2 - var(--route-w)));
  pointer-events:none;
}
.route::before{ /* static bed, also the no-JS fallback */
  content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;
  background:linear-gradient(180deg,transparent,var(--line),var(--line),transparent);
}
.route svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.route__bed{fill:none;stroke:rgba(150,185,235,.16);stroke-width:1}
.route__line{fill:none;stroke:url(#markGrad);stroke-width:1.6;stroke-linecap:round}
/* glow without a filter: one wide, soft stroke under the crisp one */
.route__glow{fill:none;stroke:var(--cobalt);stroke-width:5;stroke-linecap:round;opacity:.16}
.route__node{fill:var(--ink);stroke:rgba(150,185,235,.35);stroke-width:1;transition:stroke .5s var(--ease),fill .5s var(--ease)}
.route__node.on{stroke:var(--cyan);fill:var(--cyan);filter:drop-shadow(0 0 7px rgba(111,227,255,.85))}

.sec{padding:clamp(56px,11vh,124px) 0;scroll-margin-top:80px;position:relative}
.node-anchor{display:block;height:0;overflow:hidden}
.sec__grid{
  display:grid;grid-template-columns:minmax(0,300px) minmax(0,1fr);
  gap:clamp(22px,4vw,72px);
}
.sec__head{position:sticky;top:104px;align-self:start}
.sec__body{max-width:62ch}
@media (max-width:900px){
  .sec__grid{grid-template-columns:1fr;gap:18px}
  .sec__head{position:static}
}
@media (max-width:720px){
  :root{--route-w:20px}
  .route{left:0}
  .story .wrap{padding-left:26px}
}

/* Cards inside TG Tracking */
.list{
  margin-top:clamp(28px,4vw,44px);
  display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:1px;
  background:var(--line-soft);border:1px solid var(--line-soft);border-radius:4px;overflow:hidden;
}
.list li{
  background:linear-gradient(180deg,rgba(11,19,34,.9),rgba(6,9,17,.9));
  padding:22px 22px 24px;
  transition:background .4s var(--ease);
}
.list li:hover{background:linear-gradient(180deg,rgba(16,27,48,.95),rgba(8,12,22,.95))}
.list h3{margin-bottom:10px}
.list p{font-size:15px;line-height:1.65;color:var(--silver)}

.quote{
  margin-top:clamp(30px,4.5vw,50px);padding:6px 0 6px 26px;
  border-left:1px solid rgba(111,227,255,.4);
}
.quote p{
  font-family:var(--serif);font-style:italic;
  font-size:clamp(1.3rem,2.1vw,1.8rem);line-height:1.45;color:#dce6f4;
}

/* Endurance */
.sec--endurance::before{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(45% 55% at 78% 45%,rgba(63,125,255,.14),transparent 72%);
}
.stages{
  margin-top:clamp(28px,4vw,40px);
  display:flex;flex-wrap:wrap;gap:8px;
}
.stages span{
  display:inline-flex;align-items:baseline;gap:8px;
  padding:8px 14px;border:1px solid var(--line);border-radius:999px;
  background:var(--panel);
  font-size:11.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--silver);
}

.stages + p{margin-top:clamp(24px,3vw,34px)}
.stages b{font-size:10.5px;color:var(--cyan);font-weight:600;letter-spacing:.12em}

/* ---- Closing --------------------------------------------- */
.closing{
  position:relative;text-align:center;
  padding:clamp(90px,16vh,170px) 0 clamp(80px,13vh,140px);
  border-top:1px solid var(--line-soft);
}
.closing::before{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(52% 62% at 50% 42%,rgba(63,125,255,.17),transparent 70%);
}
.mark--closing{width:clamp(88px,13vw,132px);height:auto;margin:0 auto 34px;stroke-width:3.4}
.closing__line{
  font-size:clamp(1.5rem,4.2vw,2.6rem);color:var(--text);font-weight:500;letter-spacing:-.028em;
}
.closing__sub{
  margin-top:12px;font-family:var(--serif);font-style:italic;
  font-size:clamp(1.05rem,2.2vw,1.42rem);color:var(--steel);
}

/* ---- Footer ---------------------------------------------- */
.foot{border-top:1px solid var(--line-soft);padding:26px 0 34px}
.foot__wrap{
  display:flex;flex-wrap:wrap;justify-content:center;gap:10px;
  font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);
}
.foot__dot{opacity:.5}

/* ---- Reveal on scroll ------------------------------------ */
.rv{
  opacity:0;transform:translateY(20px);
  transition:opacity .9s var(--ease),transform .9s var(--ease);
  transition-delay:var(--d,0ms);
}
.rv.in{opacity:1;transform:none}
html.no-js .rv{opacity:1;transform:none}

/* ---- Reduced motion -------------------------------------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .rv{opacity:1;transform:none}
  .mark__path{stroke-dashoffset:0}
  .intro__line,.intro__sub{opacity:1}
}