/* ============================================================
   Alex Okpoudhu — portfolio
   Committed light design. Every colour painted explicitly so the
   page holds its own ground regardless of the viewer's theme.
   Palette drawn from the subject: process-vessel teal, safety
   amber, petroleum navy, on warm ivory.
   ============================================================ */
:root{
  --paper:    #FBF9F4;
  --paper-2:  #F4F0E6;
  --card:     #FFFFFF;
  --ink:      #0F1922;
  --ink-2:    #3A4653;
  --ink-3:    #626F7C;
  --rule:     #E6DFCF;
  --rule-2:   #D8CFB9;
  --teal:     #145146;
  --teal-2:   #26705F;
  --teal-wash:#E9F1EE;
  --amber:    #8A5406;
  --amber-wash:#FAF0DC;
  --navy:     #10202F;
  --navy-2:   #17324A;
  --on-dark:  #F3EFE4;
  --on-dark-2:#C3CDD6;

  --shadow-sm: 0 2px 10px -4px rgba(20,32,43,.18);
  --shadow:    0 18px 40px -28px rgba(16,32,47,.55);
  --shadow-lg: 0 34px 70px -40px rgba(16,32,47,.6);

  --font-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-body:    "Source Serif 4", Georgia, "Times New Roman", serif;
  --font-mono:    "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

  --max: 1180px;
  --pad: 30px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; scroll-padding-top:78px; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  font-weight:500;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
h1,h2,h3,h4{
  font-family:var(--font-display);
  color:var(--ink);
  margin:0;
  letter-spacing:-0.015em;
  text-wrap:balance;
  line-height:1.12;
}
p{ margin:0; }
img{ max-width:100%; display:block; }
a{ color:inherit; }
:focus-visible{ outline:2.5px solid var(--teal-2); outline-offset:3px; border-radius:2px; }

.wrap{ max-width:var(--max); margin:0 auto; padding:0 var(--pad); }
.section{ padding:96px 0; }
.section--tint{ background:var(--paper-2); }

/* ---------- shared label / eyebrow ---------- */
.label{
  font-family:var(--font-mono);
  font-size:.78rem;
  font-weight:700;
  letter-spacing:.15em;
  text-transform:uppercase;
  color:var(--teal);
  display:inline-flex;
  align-items:center;
  gap:11px;
}
.label::before{
  content:"";
  width:24px; height:2.5px;
  background:var(--teal);
  display:block;
  flex:none;
}
.section-head{ max-width:62ch; margin-bottom:52px; }
.section-head h2{
  font-size:clamp(1.75rem, 3.1vw, 2.5rem);
  font-weight:700;
  margin-top:16px;
}
.section-head .lede{
  margin-top:18px;
  color:var(--ink-2);
  font-size:1.06rem;
  font-weight:500;
  max-width:58ch;
}

/* ---------- nav ---------- */
.nav{
  position:sticky; top:0; z-index:60;
  background:rgba(251,249,244,.88);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--rule);
}
.nav__inner{
  max-width:var(--max); margin:0 auto; padding:15px var(--pad);
  display:flex; align-items:center; justify-content:space-between; gap:20px;
}
.nav__brand{
  font-family:var(--font-display);
  font-weight:700; font-size:1.02rem; letter-spacing:-0.01em;
  color:var(--ink); text-decoration:none;
  display:flex; align-items:center; gap:11px;
}
.nav__mark{
  width:26px; height:26px; border-radius:50%;
  background:var(--teal);
  display:grid; place-items:center;
  color:var(--on-dark);
  font-family:var(--font-mono); font-size:.66rem; font-weight:600;
  letter-spacing:0;
  flex:none;
}
.nav__links{ display:flex; gap:30px; list-style:none; margin:0; padding:0; }
.nav__links a{
  font-family:var(--font-mono);
  font-size:.75rem; font-weight:600; letter-spacing:.1em; text-transform:uppercase;
  color:var(--ink-2); text-decoration:none;
  padding-bottom:3px; border-bottom:1.5px solid transparent;
  transition:color .18s ease, border-color .18s ease;
}
.nav__links a:hover{ color:var(--teal); border-bottom-color:var(--teal); }

/* ---------- hero ---------- */
.hero{
  position:relative;
  background:var(--paper);
  border-bottom:1px solid var(--rule);
  overflow:hidden;
}
.hero__grid-bg{
  position:absolute; inset:0;
  background-image:
    linear-gradient(to right, rgba(26,90,79,.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(26,90,79,.055) 1px, transparent 1px);
  background-size:58px 58px;
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 30% 40%, #000 30%, transparent 78%);
  mask-image:radial-gradient(ellipse 90% 70% at 30% 40%, #000 30%, transparent 78%);
  pointer-events:none;
}
.hero__inner{
  position:relative;
  max-width:var(--max); margin:0 auto; padding:82px var(--pad) 88px;
  display:grid; grid-template-columns:1.08fr .92fr; gap:64px; align-items:center;
}
.hero h1{
  font-size:clamp(2.3rem, 4.6vw, 3.7rem);
  font-weight:800;
  letter-spacing:-0.028em;
  margin-top:22px;
}
.hero h1 .accent{ color:var(--teal); }
.hero__lede{
  margin-top:26px;
  font-size:1.14rem;
  font-weight:500;
  color:var(--ink-2);
  max-width:47ch;
}
.hero__actions{ margin-top:36px; display:flex; gap:13px; flex-wrap:wrap; }

.btn{
  display:inline-flex; align-items:center; gap:9px;
  font-family:var(--font-display);
  font-size:.9rem; font-weight:600; letter-spacing:.005em;
  text-decoration:none;
  padding:13px 24px; border-radius:4px;
  border:1.5px solid transparent;
  transition:transform .16s ease, background .16s ease, border-color .16s ease, color .16s ease;
}
.btn:hover{ transform:translateY(-2px); }
.btn--solid{ background:var(--teal); color:#fff; }
.btn--solid:hover{ background:var(--teal-2); }
.btn--line{ border-color:var(--rule-2); color:var(--ink); background:transparent; }
.btn--line:hover{ border-color:var(--teal); color:var(--teal); }

.hero__figure{ position:relative; }
.hero__photo{
  position:relative;
  border-radius:6px;
  overflow:hidden;
  box-shadow:var(--shadow-lg);
  border:1px solid var(--rule-2);
  aspect-ratio:4/5;
  background:var(--paper-2);
}
.hero__photo img{ width:100%; height:100%; object-fit:cover; object-position:50% 16%; }
.hero__plate{
  position:absolute; left:-24px; bottom:34px;
  background:var(--card);
  border:1px solid var(--rule-2);
  border-left:4px solid var(--amber);
  border-radius:3px;
  padding:14px 18px;
  box-shadow:var(--shadow);
  max-width:230px;
}
.hero__plate .k{
  display:block;
  font-family:var(--font-mono); font-size:.65rem; font-weight:600; letter-spacing:.14em;
  text-transform:uppercase; color:var(--ink-3);
}
.hero__plate .v{
  display:block;
  font-family:var(--font-display); font-weight:700; font-size:1.02rem;
  color:var(--ink); margin-top:5px; line-height:1.3;
}

/* ---------- readout band ---------- */
.readout{ background:var(--navy); color:var(--on-dark); }
.readout__inner{
  max-width:var(--max); margin:0 auto; padding:0 var(--pad);
  display:grid; grid-template-columns:repeat(4,1fr);
}
.readout__cell{
  padding:34px 26px 32px;
  border-left:1px solid rgba(243,239,228,.13);
}
.readout__cell:first-child{ border-left:0; padding-left:0; }
.readout__cell:last-child{ padding-right:0; }
.readout__num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:clamp(1.7rem,3vw,2.4rem);
  font-weight:600;
  color:#F0B24A;
  line-height:1;
  letter-spacing:-0.02em;
}
.readout__label{
  margin-top:11px;
  font-family:var(--font-mono);
  font-size:.71rem; font-weight:600; letter-spacing:.13em; text-transform:uppercase;
  color:var(--on-dark-2);
  line-height:1.5;
}

/* ---------- about ---------- */
.about{ display:grid; grid-template-columns:1.32fr .88fr; gap:60px; align-items:start; }
.about__body > p{ color:var(--ink-2); margin-bottom:18px; font-weight:500; }
.about__body > p:last-child{ margin-bottom:0; }
.about__body strong{ color:var(--ink); font-weight:700; }

.quote{
  margin:30px 0;
  padding:22px 0 22px 26px;
  border-left:3px solid var(--teal);
  font-family:var(--font-display);
  font-weight:500;
  font-size:1.16rem;
  line-height:1.42;
  color:var(--ink);
  letter-spacing:-0.012em;
}
.quote__src{
  display:block; margin-top:12px;
  font-family:var(--font-mono); font-size:.7rem; letter-spacing:.13em;
  text-transform:uppercase; color:var(--ink-3); font-weight:600;
}

.about__aside{ display:grid; gap:22px; }
.about__img{
  border-radius:6px; overflow:hidden;
  border:1px solid var(--rule-2);
  box-shadow:var(--shadow);
}
.about__img img{ width:100%; aspect-ratio:4/3; object-fit:cover; }
.about__img--tall img{ aspect-ratio:5/7; object-position:50% 6%; }
.about__img figcaption{
  background:var(--card);
  padding:12px 15px;
  font-family:var(--font-mono); font-size:.72rem; font-weight:500; line-height:1.55;
  color:var(--ink-2);
  border-top:1px solid var(--rule);
}
.skills{
  background:var(--card);
  border:1px solid var(--rule);
  border-radius:6px;
  padding:24px 26px 26px;
}
.skills h3{
  font-size:.84rem; font-weight:700; letter-spacing:.12em; text-transform:uppercase;
  color:var(--teal); font-family:var(--font-mono);
  padding-bottom:13px; border-bottom:1px solid var(--rule); margin-bottom:16px;
}
.skills__group{ margin-bottom:15px; }
.skills__group:last-child{ margin-bottom:0; }
.skills__group h4{
  font-family:var(--font-mono); font-size:.69rem; letter-spacing:.12em;
  text-transform:uppercase; color:var(--ink-3); font-weight:700; margin-bottom:8px;
}
.chips{ display:flex; flex-wrap:wrap; gap:6px; }
.chip{
  font-family:var(--font-display);
  font-size:.81rem; font-weight:600;
  color:var(--ink);
  background:var(--paper-2);
  border:1px solid var(--rule);
  padding:5px 11px; border-radius:3px;
}

/* ---------- gallery ---------- */
.gallery{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:20px;
}
.shot{
  position:relative;
  border-radius:6px;
  overflow:hidden;
  background:var(--card);
  border:1px solid var(--rule-2);
  box-shadow:var(--shadow);
  display:flex; flex-direction:column;
}
.shot--wide{ grid-column:span 7; }
.shot--tall{ grid-column:span 5; }
.shot--half{ grid-column:span 6; }
.shot--band{ grid-column:span 12; }
.shot--band .shot__img img{ aspect-ratio:21/8; }
.shot__img{ overflow:hidden; background:var(--paper-2); }
.shot__img img{
  width:100%; height:100%; object-fit:cover;
  transition:transform .7s cubic-bezier(.2,.7,.3,1);
}
.shot:hover .shot__img img{ transform:scale(1.035); }
.shot--wide .shot__img img{ aspect-ratio:4/3; }
.shot--half .shot__img img{ aspect-ratio:4/3; }
.shot--tall .shot__img img{ aspect-ratio:3/4; }
.shot__cap{
  padding:16px 18px 18px;
  border-top:1px solid var(--rule);
  background:var(--card);
}
.shot__tag{
  font-family:var(--font-mono); font-size:.66rem; font-weight:700; letter-spacing:.13em;
  text-transform:uppercase; color:var(--amber); display:block; margin-bottom:7px;
}
.shot__cap p{ font-size:.95rem; font-weight:500; color:var(--ink-2); line-height:1.5; }

/* ---------- timeline ---------- */
.timeline{ position:relative; }
.timeline__rail{
  position:absolute; left:76px; top:10px; bottom:10px; width:1.5px;
  background:var(--rule-2);
}
.tl{
  position:relative;
  display:grid; grid-template-columns:76px 1fr; gap:0;
  padding-bottom:44px;
  opacity:0; transform:translateY(16px);
  transition:opacity .65s ease, transform .65s ease;
}
.tl.is-in{ opacity:1; transform:none; }
.tl:last-child{ padding-bottom:0; }
.tl__year{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:.84rem; font-weight:700; color:var(--teal);
  padding-top:3px;
  letter-spacing:.02em;
}
.tl__body{ position:relative; padding-left:34px; }
.tl__dot{
  position:absolute; left:-8px; top:6px;
  width:17px; height:17px; border-radius:50%;
  background:var(--paper); border:3px solid var(--teal);
  box-shadow:0 0 0 5px var(--paper);
}
.section--tint .tl__dot{ background:var(--paper-2); box-shadow:0 0 0 5px var(--paper-2); }
.tl--past .tl__dot{ border-color:var(--rule-2); }
.tl--past .tl__year{ color:var(--ink-3); }
.tl__title{ font-size:1.24rem; font-weight:700; }
.tl__org{
  margin-top:6px;
  font-family:var(--font-mono); font-size:.78rem; font-weight:600; line-height:1.6;
  color:var(--teal); letter-spacing:.01em;
}
.tl__note{ margin-top:9px; font-size:.94rem; font-weight:500; color:var(--ink-2); }
.tl__list{ margin:14px 0 0; padding-left:19px; color:var(--ink-2); font-weight:500; }
.tl__list li{ margin-bottom:7px; }
.tl__list li:last-child{ margin-bottom:0; }
.tl__list li::marker{ color:var(--teal-2); }

.postings{ margin-top:16px; border-top:1px solid var(--rule-2); }
.posting{
  display:flex; justify-content:space-between; align-items:baseline; gap:20px;
  padding:11px 0;
  border-bottom:1px solid var(--rule);
}
.posting__role{ font-size:.96rem; color:var(--ink); font-weight:500; }
.posting__role b{ font-weight:700; }
.posting__yrs{
  font-family:var(--font-mono); font-variant-numeric:tabular-nums;
  font-size:.76rem; font-weight:600; color:var(--ink-3); white-space:nowrap;
}

/* ---------- certifications ---------- */
.certs{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.cert{
  background:var(--card);
  border:1px solid var(--rule);
  border-radius:6px;
  overflow:hidden;
  display:flex; flex-direction:column;
  box-shadow:var(--shadow-sm);
  opacity:0; transform:translateY(16px);
  transition:opacity .6s ease, transform .6s ease, box-shadow .25s ease;
}
.cert.is-in{ opacity:1; transform:none; }
.cert:hover{ box-shadow:var(--shadow); }
.cert__frame{
  background:var(--paper-2);
  padding:15px;
  border-bottom:1px solid var(--rule);
}
.cert__frame img{
  border-radius:2px; border:1px solid var(--rule-2);
  width:100%; aspect-ratio:1.4/1; object-fit:contain; object-position:center;
  background:#fff; padding:5px;
}
.cert__meta{ padding:17px 19px 20px; display:flex; flex-direction:column; gap:7px; flex:1; }
.cert__meta h4{ font-size:1rem; font-weight:700; line-height:1.34; }
.cert__issuer{
  font-family:var(--font-mono); font-size:.71rem; font-weight:500; line-height:1.55;
  color:var(--ink-3); margin-top:auto;
}
.cert__badge{
  align-self:flex-start;
  font-family:var(--font-mono); font-size:.64rem; letter-spacing:.12em;
  text-transform:uppercase; font-weight:700;
  color:var(--amber); background:var(--amber-wash);
  border:1px solid #EBD9B4;
  padding:3px 8px; border-radius:2px;
}
.cert__badge--teal{ color:var(--teal); background:var(--teal-wash); border-color:#CFE0DA; }

.training{
  margin-top:38px;
  background:var(--card);
  border:1px solid var(--rule);
  border-radius:6px;
  padding:28px 30px 30px;
}
.training h3{
  font-family:var(--font-mono); font-size:.78rem; letter-spacing:.13em;
  text-transform:uppercase; color:var(--teal); font-weight:700;
  padding-bottom:14px; border-bottom:1px solid var(--rule); margin-bottom:18px;
}
.training__cols{
  display:grid; grid-template-columns:repeat(2,1fr); gap:0 44px;
}
.training__row{
  display:flex; justify-content:space-between; align-items:baseline; gap:16px;
  padding:10px 0; border-bottom:1px dotted var(--rule-2);
  font-size:.96rem; font-weight:500; color:var(--ink);
}
.training__row:last-child{ border-bottom:none; }
.training__yr{
  font-family:var(--font-mono); font-variant-numeric:tabular-nums;
  font-size:.75rem; font-weight:600; color:var(--ink-3); white-space:nowrap;
}

/* ---------- education ---------- */
.edu{ display:grid; grid-template-columns:repeat(2,1fr); gap:18px; }
.edu__card{
  background:var(--card); border:1px solid var(--rule);
  border-radius:6px; padding:22px 24px;
  border-top:3px solid var(--teal);
}
.edu__card h4{ font-size:1.04rem; font-weight:700; }
.edu__org{ margin-top:5px; color:var(--ink-2); font-size:.96rem; font-weight:500; }
.edu__yrs{
  margin-top:11px;
  font-family:var(--font-mono); font-variant-numeric:tabular-nums;
  font-size:.76rem; font-weight:600; letter-spacing:.05em; color:var(--ink-3);
}

/* ---------- contact ---------- */
.contact{ background:var(--navy); color:var(--on-dark); }
.contact__inner{
  max-width:var(--max); margin:0 auto; padding:84px var(--pad);
  display:grid; grid-template-columns:1.1fr .9fr; gap:52px; align-items:center;
}
.contact .label{ color:#F0B24A; }
.contact .label::before{ background:#F0B24A; }
.contact h2{
  color:var(--on-dark);
  font-size:clamp(1.7rem,3vw,2.4rem); font-weight:700; margin-top:16px;
}
.contact p.lede{ margin-top:18px; color:var(--on-dark-2); font-weight:500; max-width:46ch; }
.contact__list{ list-style:none; margin:0; padding:0; display:grid; gap:12px; }
.contact__list a{
  display:flex; align-items:center; gap:15px;
  text-decoration:none; color:var(--on-dark);
  padding:16px 19px;
  border:1px solid rgba(243,239,228,.17);
  border-radius:5px;
  transition:border-color .18s ease, background .18s ease, transform .18s ease;
}
.contact__list a:hover{
  border-color:#F0B24A; background:rgba(243,239,228,.05); transform:translateX(3px);
}
.contact__ic{
  width:36px; height:36px; border-radius:50%;
  background:rgba(243,239,228,.09);
  display:grid; place-items:center; flex:none; font-size:1rem;
}
.contact__k{
  display:block;
  font-family:var(--font-mono); font-size:.66rem; font-weight:600; letter-spacing:.14em;
  text-transform:uppercase; color:var(--on-dark-2); margin-bottom:3px;
}
.contact__v{ font-family:var(--font-display); font-weight:700; font-size:1rem; }

.foot{
  background:var(--navy-2); color:var(--on-dark-2);
  padding:20px var(--pad);
  font-family:var(--font-mono); font-size:.71rem; font-weight:600; letter-spacing:.09em;
  text-transform:uppercase; text-align:center;
}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .hero__inner{ grid-template-columns:1fr; gap:46px; padding-top:52px; padding-bottom:60px; }
  .hero__figure{ max-width:360px; }
  .hero__plate{ left:auto; right:-14px; }
  .about{ grid-template-columns:1fr; gap:40px; }
  .contact__inner{ grid-template-columns:1fr; gap:36px; }
  .certs{ grid-template-columns:repeat(2,1fr); }
  .readout__inner{ grid-template-columns:repeat(2,1fr); }
  .readout__cell{ padding:26px 20px; border-left:1px solid rgba(243,239,228,.13); }
  .readout__cell:nth-child(1),.readout__cell:nth-child(3){ border-left:0; padding-left:0; }
  .shot--wide,.shot--tall,.shot--half{ grid-column:span 12; }
}
@media (max-width:700px){
  body{ font-size:16px; }
  .section{ padding:66px 0; }
  .nav__links{ display:none; }
  .certs{ grid-template-columns:1fr; }
  .edu{ grid-template-columns:1fr; }
  .training__cols{ grid-template-columns:1fr; gap:0; }
  .timeline__rail{ left:0; }
  .tl{ grid-template-columns:1fr; }
  .tl__year{ padding-left:26px; margin-bottom:6px; }
  .tl__body{ padding-left:26px; }
  .tl__dot{ left:-8px; }
  .hero__plate{ position:static; margin-top:16px; max-width:none; }
}
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  .tl,.cert{ opacity:1; transform:none; transition:none; }
  .shot__img img{ transition:none; }
  .btn:hover,.contact__list a:hover{ transform:none; }
}