/* =========================================================
   Omonemu J. Ovokeroye — Portfolio
   Plain CSS, custom properties for instant theming.
   ========================================================= */

:root{
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --maxw: 1080px;
  --pad: clamp(1.25rem, 4vw, 3rem);

  --dur-fast: .2s;
  --dur-med: .5s;
  --dur-slow: .9s;
  --ease: cubic-bezier(.22,.61,.36,1);

  /* ---- dark (default) ---- */
  --bg: #0d1117;
  --bg-soft: #12161c;
  --panel: #1b2430;
  --panel-border: #2a3644;
  --text: #e8e6e1;
  --text-dim: #a8adb6;
  --accent: #c9a24b;
  --accent-strong: #dab765;
  --accent-soft: rgba(201,162,75,.14);
  --shadow: 0 12px 30px -14px rgba(0,0,0,.55);
}

html[data-theme="light"]{
  --bg: #f5f2ec;
  --bg-soft: #efece4;
  --panel: #e7e3da;
  --panel-border: #d9d3c5;
  --text: #1c1c1c;
  --text-dim: #5c584f;
  --accent: #a8801e;
  --accent-strong: #8a6a17;
  --accent-soft: rgba(168,128,30,.12);
  --shadow: 0 12px 30px -16px rgba(30,25,10,.25);
}

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

html{
  scroll-behavior: smooth;
}

body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  transition: background-color var(--dur-med) var(--ease), color var(--dur-med) var(--ease);
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  margin: 0;
  letter-spacing: -.01em;
}

p{ margin: 0; }

a{
  color: inherit;
  text-decoration: none;
}

img{ max-width: 100%; display: block; }

.skip-link{
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: var(--bg);
  padding: .6rem 1rem;
  z-index: 999;
}
.skip-link:focus{ left: 1rem; top: 1rem; }

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

/* ---------- scroll progress ---------- */
.scroll-progress{
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: var(--accent);
  z-index: 1000;
  transition: width .1s linear;
}

/* ---------- header / nav ---------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 900;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--panel-border);
}

.nav{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: .9rem var(--pad);
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.logo{ display: flex; align-items: center; margin-right: auto; }
.logo-mark .logo-spade{ fill: var(--accent); }
.logo-mark .logo-initials{
  font-family: var(--font-display);
  font-size: 10.5px;
  font-weight: 700;
  fill: var(--bg);
}

.nav-links{
  list-style: none;
  display: flex;
  gap: 1.75rem;
  margin: 0;
  padding: 0;
}

.nav-links a{
  font-size: .92rem;
  color: var(--text-dim);
  position: relative;
  padding: .25rem 0;
  transition: color var(--dur-fast) var(--ease);
}

.nav-links a::after{
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-fast) var(--ease);
}

.nav-links a:hover,
.nav-links a.active{
  color: var(--text);
}
.nav-links a:hover::after,
.nav-links a.active::after{
  transform: scaleX(1);
}

.theme-toggle{
  background: none;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  cursor: pointer;
  color: var(--accent);
  transition: border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.theme-toggle:hover{ border-color: var(--accent); transform: translateY(-1px); }
.theme-toggle svg{ width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; }
.theme-toggle .icon-moon{ display: none; }
html[data-theme="light"] .theme-toggle .icon-sun{ display: none; }
html[data-theme="light"] .theme-toggle .icon-moon{ display: block; fill: currentColor; stroke: none; }

.nav-toggle{
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span{
  width: 22px;
  height: 2px;
  background: var(--text);
  transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease);
}

/* ---------- hero ---------- */
.hero{
  position: relative;
  min-height: 88vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6rem var(--pad) 4rem;
  overflow: hidden;
}

.hero-watermark{
  position: absolute;
  top: 50%;
  right: -6%;
  width: min(52vw, 620px);
  transform: translateY(-50%);
  fill: var(--accent);
  opacity: .05;
  pointer-events: none;
  will-change: transform;
}

.hero-inner{
  max-width: var(--maxw);
  width: 100%;
  margin: 0 auto;
  position: relative;
}

.hero-eyebrow{
  font-size: .85rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  font-weight: 600;
}

.hero-name{
  font-size: clamp(2.6rem, 7vw, 5rem);
  display: flex;
  flex-direction: column;
}

.hero-rule{
  width: 0;
  height: 2px;
  background: var(--accent);
  margin: 1.4rem 0 1.4rem;
  transition: width 1.1s var(--ease) .3s;
}
.hero-rule.in-view{ width: 120px; }

.hero-role{
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.4vw, 1.5rem);
  color: var(--text-dim);
  margin-bottom: 1.1rem;
}

.hero-hook{
  max-width: 46ch;
  color: var(--text-dim);
  font-size: 1.05rem;
  margin-bottom: 2.2rem;
}

.hero-actions{
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.4rem;
}

.btn{
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.5rem;
  border-radius: 3px;
  font-size: .92rem;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.btn-primary{
  background: var(--accent);
  color: #12161c;
}
.btn-primary:hover{ transform: translateY(-2px); background: var(--accent-strong); }
.btn-ghost{
  border-color: var(--panel-border);
  color: var(--text);
}
.btn-ghost:hover{ border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

.hero-social{
  display: flex;
  gap: 1.2rem;
}
.hero-social a{
  color: var(--text-dim);
  transition: color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.hero-social a:hover{ color: var(--accent); transform: translateY(-2px); }
.hero-social svg{ fill: currentColor; }

.scroll-cue{
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 22px;
  height: 36px;
  border: 1px solid var(--panel-border);
  border-radius: 12px;
}
.scroll-cue span{
  position: absolute;
  top: 6px;
  left: 50%;
  width: 4px;
  height: 8px;
  background: var(--accent);
  border-radius: 2px;
  transform: translateX(-50%);
  animation: cue 1.8s infinite;
}
@keyframes cue{
  0%{ opacity: 1; top: 6px; }
  70%{ opacity: 0; top: 18px; }
  100%{ opacity: 0; top: 18px; }
}

/* ---------- generic section ---------- */
.section{
  padding: clamp(4rem, 9vw, 7rem) var(--pad);
  border-top: 1px solid var(--panel-border);
}

.section-inner{
  max-width: var(--maxw);
  margin: 0 auto;
}

.eyebrow{
  font-size: .82rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: .8rem;
}

.section h2{
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  max-width: 22ch;
  margin-bottom: 1.6rem;
}

.lede{
  max-width: 62ch;
  color: var(--text-dim);
  font-size: 1.05rem;
}

/* ---------- reveal-on-scroll ---------- */
.reveal, .reveal-line{
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}
.reveal.in-view, .reveal-line.in-view{
  opacity: 1;
  transform: translateY(0);
}
.hero-name .reveal-line:nth-child(1){ transition-delay: .05s; }
.hero-name .reveal-line:nth-child(2){ transition-delay: .18s; }
.hero-role.reveal-line{ transition-delay: .42s; }
.hero-hook.reveal-line{ transition-delay: .55s; }
.hero-actions.reveal-line{ transition-delay: .68s; }
.hero-social.reveal-line{ transition-delay: .8s; }

/* stagger children in groups */
.job-list .job-frame:nth-child(1){ transition-delay: 0s; }
.job-list .job-frame:nth-child(2){ transition-delay: .1s; }
.job-list .job-frame:nth-child(3){ transition-delay: .2s; }

.skills-grid .skill-group:nth-child(1){ transition-delay: 0s; }
.skills-grid .skill-group:nth-child(2){ transition-delay: .06s; }
.skills-grid .skill-group:nth-child(3){ transition-delay: .12s; }
.skills-grid .skill-group:nth-child(4){ transition-delay: .18s; }
.skills-grid .skill-group:nth-child(5){ transition-delay: .24s; }
.skills-grid .skill-group:nth-child(6){ transition-delay: .3s; }
.skills-grid .skill-group:nth-child(7){ transition-delay: .36s; }

.project-grid .project-card:nth-child(1){ transition-delay: 0s; }
.project-grid .project-card:nth-child(2){ transition-delay: .06s; }
.project-grid .project-card:nth-child(3){ transition-delay: .12s; }
.project-grid .project-card:nth-child(4){ transition-delay: .18s; }
.project-grid .project-card:nth-child(5){ transition-delay: .24s; }
.project-grid .project-card:nth-child(6){ transition-delay: .3s; }

/* ---------- about ---------- */
.about-facts{
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  gap: .9rem;
  max-width: 56ch;
}
.about-facts li{
  display: flex;
  gap: 1rem;
  padding-bottom: .9rem;
  border-bottom: 1px solid var(--panel-border);
  font-size: .96rem;
}
.about-facts li span{
  flex: 0 0 92px;
  color: var(--accent);
  font-weight: 600;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding-top: .1rem;
}

/* ---------- experience / job frames ---------- */
.job-list{
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.job-frame{
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  background: var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.job-summary{
  width: 100%;
  background: none;
  border: none;
  color: inherit;
  text-align: left;
  padding: 1.3rem 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  font-family: inherit;
}

.job-heading h3{
  font-size: 1.15rem;
  margin-bottom: .2rem;
}
.job-role{
  color: var(--text-dim);
  font-size: .92rem;
}

.job-meta{
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

.job-dates{
  font-size: .78rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--accent);
  white-space: nowrap;
  padding-top: .2rem;
}

.job-toggle{
  width: 20px;
  height: 20px;
  position: relative;
  flex-shrink: 0;
}
.job-toggle::before,
.job-toggle::after{
  content: "";
  position: absolute;
  background: var(--text-dim);
  transition: transform var(--dur-fast) var(--ease);
}
.job-toggle::before{
  top: 50%; left: 0;
  width: 100%; height: 1px;
  transform: translateY(-50%);
}
.job-toggle::after{
  left: 50%; top: 0;
  height: 100%; width: 1px;
  transform: translateX(-50%);
}
.job-frame[data-expanded="true"] .job-toggle::after{
  transform: translateX(-50%) scaleY(0);
}

.job-oneliner{
  padding: 0 1.5rem 1.3rem;
  color: var(--text-dim);
  font-size: .92rem;
  margin-top: -.6rem;
}

.job-details{
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--dur-med) var(--ease);
}
.job-frame[data-expanded="true"] .job-details{
  max-height: 500px;
}
.job-details ul{
  margin: 0;
  padding: 0 1.5rem 1.5rem 2rem;
  color: var(--text-dim);
  font-size: .93rem;
  display: grid;
  gap: .5rem;
}

/* ---------- skills ---------- */
.skills-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.8rem 2rem;
  margin-top: 1rem;
}

.skill-group h3{
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: .8rem;
}

.pills{
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.pill{
  border: 1px solid var(--panel-border);
  background: var(--panel);
  padding: .4rem .85rem;
  border-radius: 999px;
  font-size: .82rem;
  color: var(--text);
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.pill:hover{
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

/* ---------- projects ---------- */
.project-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 1rem;
}

.project-card{
  display: block;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  border-radius: 6px;
  padding: 1.4rem;
  box-shadow: var(--shadow);
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.project-card:hover{
  transform: translateY(-4px);
  border-color: var(--accent);
}

.project-card-top{
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: .6rem;
  gap: .5rem;
}
.project-card h3{
  font-size: 1.05rem;
}
.project-lang{
  font-size: .74rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--accent);
  flex-shrink: 0;
}
.project-card p{
  color: var(--text-dim);
  font-size: .9rem;
  margin-bottom: 1rem;
}
.project-link{
  font-size: .84rem;
  color: var(--text);
  font-weight: 600;
}

/* ---------- education ---------- */
.edu-list{
  display: grid;
  gap: 1.4rem;
  margin-top: 1rem;
}
.edu-item{
  display: flex;
  gap: 1.5rem;
  padding: 1.3rem 0;
  border-bottom: 1px solid var(--panel-border);
}
.edu-dates{
  flex: 0 0 160px;
  color: var(--accent);
  font-size: .8rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding-top: .15rem;
}
.edu-body h3{
  font-size: 1.05rem;
  margin-bottom: .3rem;
}
.edu-body p{
  color: var(--text-dim);
  font-size: .92rem;
}

/* ---------- contact ---------- */
.contact-links{
  display: grid;
  gap: .9rem;
  margin-top: 2rem;
  max-width: 40ch;
}
.contact-link{
  display: flex;
  align-items: center;
  gap: .9rem;
  padding: .9rem 1.1rem;
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  background: var(--panel);
  transition: border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
  font-size: .94rem;
}
.contact-link svg{ fill: var(--accent); flex-shrink: 0; }
.contact-link:hover{
  border-color: var(--accent);
  transform: translateX(4px);
}

/* ---------- footer ---------- */
.site-footer{
  border-top: 1px solid var(--panel-border);
  padding: 2.5rem var(--pad);
}
.footer-inner{
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 2rem;
}
.footer-mark{ fill: var(--accent); flex-shrink: 0; }
.footer-inner p{
  color: var(--text-dim);
  font-size: .85rem;
  margin-right: auto;
}
.footer-links{
  display: flex;
  gap: 1.2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-links a{
  font-size: .85rem;
  color: var(--text-dim);
  transition: color var(--dur-fast) var(--ease);
}
.footer-links a:hover{ color: var(--accent); }

/* ---------- responsive ---------- */
@media (max-width: 760px){
  .nav-links{
    position: fixed;
    top: 62px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--panel-border);
    flex-direction: column;
    padding: 1.5rem var(--pad);
    gap: 1.2rem;
    transform: translateY(-130%);
    transition: transform var(--dur-med) var(--ease);
  }
  .nav-links.open{ transform: translateY(0); }
  .nav-toggle{ display: flex; }

  .job-summary{ flex-direction: column; }
  .job-meta{ align-self: flex-end; margin-top: -1.6rem; }

  .edu-item{ flex-direction: column; gap: .4rem; }
  .edu-dates{ flex-basis: auto; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .reveal, .reveal-line{ opacity: 1; transform: none; }
  .hero-rule.in-view{ width: 120px; }
  .hero-watermark{ transform: translateY(-50%) !important; }
}