/* ==========================================================================
   Enitan Eleto — Portfolio
   Design tokens: Navy #0B1F3A · White #FFFFFF · Gold #D4AF37 · Soft Gray #F5F7FA
   Display: Fraunces · Body: Plus Jakarta Sans · Utility: IBM Plex Mono
   ========================================================================== */

:root{
  --navy:        #0B1F3A;
  --navy-deep:   #060f1f;
  --navy-soft:   #16294a;
  --white:       #FFFFFF;
  --gray-soft:   #F5F7FA;
  --gold:        #D4AF37;
  --gold-soft:   #e8cc6e;
  --gold-dim:    rgba(212,175,55,0.35);

  --font-display: 'Fraunces', serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --radius: 16px;
  --radius-sm: 10px;
  --ease: cubic-bezier(.22,.61,.36,1);

  --max: 1180px;
}

/* Dark mode (default) */
:root, [data-theme="dark"]{
  --bg: var(--navy);
  --bg-deep: var(--navy-deep);
  --bg-alt: var(--navy-soft);
  --text: #F4F6FA;
  --text-muted: #9fb0c9;
  --surface: rgba(255,255,255,0.045);
  --surface-border: rgba(255,255,255,0.09);
  --surface-hover: rgba(255,255,255,0.08);
  --header-bg: rgba(11,31,58,0.72);
}

/* Light mode */
[data-theme="light"]{
  --bg: var(--gray-soft);
  --bg-deep: #ffffff;
  --bg-alt: #ffffff;
  --text: var(--navy);
  --text-muted: #51637f;
  --surface: rgba(11,31,58,0.035);
  --surface-border: rgba(11,31,58,0.10);
  --surface-hover: rgba(11,31,58,0.06);
  --header-bg: rgba(245,247,250,0.78);
}

*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important; }
}

body{
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  transition:background .4s var(--ease), color .4s var(--ease);
}

img,svg{ display:block; max-width:100%; }
ul{ list-style:none; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; background:none; border:none; cursor:pointer; color:inherit; }

h1,h2,h3{ font-family:var(--font-display); font-weight:600; letter-spacing:-0.01em; line-height:1.1; }
h1{ font-size:clamp(2.6rem, 6vw, 5.2rem); font-weight:500; }
h2{ font-size:clamp(2rem, 4vw, 3.1rem); margin-bottom:1.1rem; }
h3{ font-size:1.3rem; margin-bottom:.5rem; }

p{ color:var(--text-muted); }
.lede{ font-size:1.15rem; color:var(--text); max-width:46ch; }

.text-gold{ color:var(--gold); font-style:italic; }

.eyebrow{
  font-family:var(--font-mono);
  font-size:.78rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--gold);
  margin-bottom:1rem;
  display:block;
}

.container{ max-width:var(--max); margin:0 auto; padding:0 1.5rem; }
.container.narrow{ max-width:760px; }

.section{ padding:7rem 0; position:relative; }
.section-alt{ background:var(--bg-alt); }

/* Skip link */
.skip-link{
  position:absolute; left:-999px; top:0; background:var(--gold); color:var(--navy-deep);
  padding:.6rem 1rem; z-index:999; font-weight:600;
}
.skip-link:focus{ left:1rem; top:1rem; }

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--gold); outline-offset:3px; border-radius:4px;
}

/* ---- Signature element: the thread rail ---- */
.thread-rail{
  position:fixed; top:0; left:0; width:3px; height:100vh; z-index:60;
  background:rgba(212,175,55,0.12);
}
.thread-fill{
  width:100%; height:0%;
  background:linear-gradient(180deg, var(--gold), var(--gold-soft));
  box-shadow:0 0 12px var(--gold-dim);
  transition:height .1s linear;
}

/* ---- Header ---- */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:50;
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  background:var(--header-bg);
  border-bottom:1px solid var(--surface-border);
  transition:background .4s var(--ease), border-color .4s var(--ease);
}
.header-inner{
  max-width:var(--max); margin:0 auto; padding:1rem 1.5rem;
  display:flex; align-items:center; justify-content:space-between; gap:1rem;
}
.brand{ display:flex; align-items:center; gap:.6rem; }
.brand-mark{
  font-family:var(--font-display); font-weight:600; font-size:1rem;
  width:36px; height:36px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  background:linear-gradient(135deg, var(--gold), #b8902c);
  color:var(--navy-deep);
}
.brand-name{ font-family:var(--font-display); font-size:1.05rem; }

.main-nav{ display:flex; align-items:center; gap:2rem; }
.main-nav a{
  font-size:.92rem; color:var(--text-muted); position:relative; padding:.3rem 0;
  transition:color .25s;
}
.main-nav a:hover{ color:var(--text); }
.main-nav a::after{
  content:""; position:absolute; left:0; bottom:-2px; width:0; height:1px; background:var(--gold);
  transition:width .25s var(--ease);
}
.main-nav a:hover::after{ width:100%; }
.nav-cta{
  border:1px solid var(--gold-dim); padding:.5rem 1.1rem !important; border-radius:99px;
  color:var(--gold) !important;
}
.nav-cta::after{ display:none; }

.header-actions{ display:flex; align-items:center; gap:.7rem; }
.theme-toggle{
  width:38px; height:38px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  border:1px solid var(--surface-border); color:var(--text);
}
.theme-toggle svg{ width:18px; height:18px; }
.icon-moon{ display:none; }
[data-theme="light"] .icon-sun{ display:none; }
[data-theme="light"] .icon-moon{ display:block; }

.menu-toggle{ display:none; width:38px; height:38px; flex-direction:column; justify-content:center; gap:5px; }
.menu-toggle span{ width:20px; height:1.5px; background:var(--text); transition:transform .25s, opacity .25s; }

/* ---- Hero ---- */
.hero{
  position:relative; min-height:100vh; display:flex; flex-direction:column; align-items:center;
  justify-content:center; padding:8rem 1.5rem 4rem; overflow:hidden; text-align:center;
  background:radial-gradient(120% 100% at 50% -10%, var(--navy-soft), var(--bg-deep) 70%);
}
[data-theme="light"] .hero{ background:radial-gradient(120% 100% at 50% -10%, #eef1f6, var(--bg-deep) 70%); }

.hero-ambient{ position:absolute; inset:0; z-index:0; }
.blob{
  position:absolute; border-radius:50%; filter:blur(60px); opacity:.35;
  animation:drift 16s ease-in-out infinite;
}
.blob-health{ width:340px; height:340px; background:#7fb3a8; top:8%; left:8%; }
.blob-agri{ width:300px; height:300px; background:#6f9c5b; bottom:14%; left:14%; animation-delay:-4s; }
.blob-tech{ width:380px; height:380px; background:var(--gold); top:14%; right:6%; animation-delay:-8s; }
.blob-community{ width:280px; height:280px; background:#7488c7; bottom:6%; right:14%; animation-delay:-12s; }
@keyframes drift{
  0%,100%{ transform:translate(0,0) scale(1); }
  50%{ transform:translate(20px,-30px) scale(1.08); }
}

.hero-inner{ position:relative; z-index:1; max-width:900px; }
.hero .eyebrow{ display:inline-block; }
.hero-sub{
  font-size:1.15rem; max-width:58ch; margin:1.5rem auto 0; color:var(--text-muted);
}
.hero-cta{ display:flex; gap:1rem; justify-content:center; flex-wrap:wrap; margin-top:2.4rem; }

.btn{
  font-family:var(--font-body); font-weight:600; font-size:.95rem;
  padding:.85rem 1.7rem; border-radius:99px; transition:transform .25s var(--ease), background .25s, border-color .25s, color .25s;
  display:inline-flex; align-items:center; gap:.5rem;
}
.btn:hover{ transform:translateY(-2px); }
.btn-primary{ background:var(--gold); color:var(--navy-deep); }
.btn-primary:hover{ background:var(--gold-soft); }
.btn-outline{ border:1px solid var(--surface-border); color:var(--text); }
.btn-outline:hover{ border-color:var(--gold-dim); }
.btn-ghost{ color:var(--text-muted); }
.btn-ghost:hover{ color:var(--gold); }

.highlight-row{
  display:flex; gap:.8rem; flex-wrap:wrap; justify-content:center; margin-top:3rem;
}
.highlight-chip{
  display:flex; align-items:center; gap:.55rem;
  font-size:.82rem; color:var(--text-muted);
  background:var(--surface); border:1px solid var(--surface-border);
  padding:.6rem 1rem; border-radius:99px;
  backdrop-filter:blur(8px);
}
.highlight-chip svg{ width:16px; height:16px; color:var(--gold); flex-shrink:0; }

.scroll-cue{
  position:absolute; bottom:2rem; left:50%; transform:translateX(-50%);
  width:24px; height:38px; border:1px solid var(--surface-border); border-radius:99px;
  display:flex; justify-content:center; padding-top:7px;
}
.scroll-cue span{
  width:4px; height:8px; border-radius:99px; background:var(--gold);
  animation:scrollcue 1.8s infinite;
}
@keyframes scrollcue{ 0%{ opacity:1; transform:translateY(0);} 100%{ opacity:0; transform:translateY(10px);} }

/* ---- Reveal animation ---- */
[data-reveal]{
  opacity:0; transform:translateY(22px);
  transition:opacity .7s var(--ease), transform .7s var(--ease);
}
[data-reveal].is-visible{ opacity:1; transform:translateY(0); }

/* ---- Venture cards ---- */
.venture-grid{
  display:grid; grid-template-columns:repeat(2, 1fr); gap:1.6rem; margin-top:2.5rem;
}
.venture-card{
  background:var(--surface); border:1px solid var(--surface-border); border-radius:var(--radius);
  padding:2.2rem; backdrop-filter:blur(10px);
  transition:border-color .3s, transform .3s var(--ease), box-shadow .3s;
}
.venture-card:hover{
  border-color:var(--gold-dim); transform:translateY(-4px);
  box-shadow:0 18px 40px -20px rgba(0,0,0,.4);
}
.venture-top{ display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:1.2rem; }
.venture-icon{
  width:46px; height:46px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  background:rgba(212,175,55,0.12); color:var(--gold);
}
.venture-icon svg{ width:22px; height:22px; }
.venture-kicker{ font-family:var(--font-mono); font-size:.78rem; letter-spacing:.06em; color:var(--text-muted); margin-bottom:.9rem; }
.status-pill{
  font-family:var(--font-mono); font-size:.7rem; letter-spacing:.05em; text-transform:uppercase;
  padding:.3rem .65rem; border-radius:99px; white-space:nowrap;
}
.status-active{ background:rgba(120,190,150,0.16); color:#7ecb9c; }
.status-seed{ background:rgba(212,175,55,0.16); color:var(--gold); }

.feature-list{ display:grid; grid-template-columns:1fr 1fr; gap:.5rem .8rem; margin:1.3rem 0; }
.feature-list li{
  font-size:.86rem; color:var(--text-muted); padding-left:1rem; position:relative;
}
.feature-list li::before{ content:"—"; position:absolute; left:0; color:var(--gold); }
.venture-role{ margin-top:1rem; font-size:.9rem; color:var(--text); }
.venture-role strong{ color:var(--gold); font-weight:600; }

/* ---- Skills ---- */
.skills-grid{ display:grid; grid-template-columns:repeat(4, 1fr); gap:1.4rem; margin-top:2.5rem; }
.skill-card{
  background:var(--surface); border:1px solid var(--surface-border); border-radius:var(--radius);
  padding:1.8rem; transition:border-color .3s, transform .3s var(--ease);
}
.skill-card:hover{ border-color:var(--gold-dim); transform:translateY(-3px); }
.skill-card h3{ color:var(--gold); font-size:1.05rem; }
.skill-card li{ font-size:.92rem; color:var(--text-muted); padding:.3rem 0; border-top:1px solid var(--surface-border); }
.skill-card li:first-child{ border-top:none; }

/* ---- Impact ---- */
.impact-grid{ display:grid; grid-template-columns:repeat(4, 1fr); gap:1.4rem; margin-top:2.5rem; }
.impact-card{
  padding:1.8rem; border-radius:var(--radius); background:var(--surface); border:1px solid var(--surface-border);
  transition:transform .3s var(--ease), border-color .3s;
}
.impact-card:hover{ transform:translateY(-3px); border-color:var(--gold-dim); }
.impact-index{
  font-family:var(--font-mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.1em;
  color:var(--gold); display:block; margin-bottom:.8rem;
}

/* ---- Timeline (signature thread, localized) ---- */
.timeline{ position:relative; margin-top:3rem; padding-left:2.2rem; border-left:1px solid var(--surface-border); }
.timeline li{ position:relative; padding-bottom:2.6rem; }
.timeline li:last-child{ padding-bottom:0; }
.timeline-node{
  position:absolute; left:-2.2rem; top:.15rem; transform:translateX(-50%);
  width:11px; height:11px; border-radius:50%; background:var(--gold);
  box-shadow:0 0 0 4px var(--bg), 0 0 14px var(--gold-dim);
}
.timeline-node-future{ background:transparent; border:1.5px dashed var(--gold); }
.timeline h3{ font-size:1.15rem; margin-bottom:.4rem; }
.timeline p{ max-width:54ch; }

/* ---- Gallery / masonry ---- */
.masonry{
  display:grid; grid-template-columns:repeat(3, 1fr); grid-auto-rows:160px; gap:1rem; margin-top:2.5rem;
}
.masonry-item{
  position:relative; border-radius:var(--radius-sm); overflow:hidden;
  background:linear-gradient(160deg, var(--navy-soft), var(--bg-deep));
  border:1px solid var(--surface-border);
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:.7rem;
  color:var(--text-muted); width:100%; height:100%; transition:transform .3s var(--ease);
}
[data-theme="light"] .masonry-item{ background:linear-gradient(160deg, #e7ecf3, #f7f9fc); }
.masonry-item:hover{ transform:scale(1.02); color:var(--gold); }
.masonry-item .masonry-icon svg{ width:30px; height:30px; }
.masonry-caption{ font-size:.82rem; font-weight:600; padding:0 1rem; text-align:center; }
.span-tall{ grid-row:span 2; }

/* ---- Vision ---- */
.vision{ text-align:center; }
.vision .lede, .vision p{ margin-left:auto; margin-right:auto; }

/* ---- Testimonials ---- */
.testimonial-grid{ display:grid; grid-template-columns:repeat(3, 1fr); gap:1.4rem; margin-top:2.5rem; }
.testimonial-card{
  background:var(--surface); border:1px solid var(--surface-border); border-radius:var(--radius);
  padding:1.8rem;
}
.testimonial-card blockquote{ font-family:var(--font-display); font-size:1.1rem; font-style:italic; line-height:1.5; color:var(--text); }
.testimonial-card figcaption{ margin-top:1rem; font-size:.84rem; color:var(--gold); }

/* ---- Contact ---- */
.contact-grid{ display:grid; grid-template-columns:1fr 1.2fr; gap:3rem; }
.social-links{ margin-top:2rem; display:flex; flex-direction:column; gap:.9rem; }
.social-links a{ display:flex; align-items:center; gap:.7rem; color:var(--text); transition:color .25s; }
.social-links a:hover{ color:var(--gold); }
.social-links svg{ width:20px; height:20px; }

.contact-form{ display:flex; flex-direction:column; gap:.4rem; }
.contact-form label{ font-size:.82rem; color:var(--text-muted); margin-top:.8rem; }
.contact-form input, .contact-form textarea{
  font-family:var(--font-body); font-size:.95rem; color:var(--text);
  background:var(--surface); border:1px solid var(--surface-border); border-radius:var(--radius-sm);
  padding:.75rem .9rem; resize:vertical;
}
.contact-form input:focus, .contact-form textarea:focus{ border-color:var(--gold-dim); }
.contact-form button{ margin-top:1.4rem; align-self:flex-start; }
.hidden-field{ position:absolute; left:-9999px; }
.form-note{ font-size:.85rem; color:var(--gold); margin-top:.8rem; min-height:1.2em; }

/* ---- Footer ---- */
.site-footer{ background:var(--bg-deep); border-top:1px solid var(--surface-border); padding-top:3.5rem; }
.footer-inner{ display:flex; justify-content:space-between; align-items:flex-start; gap:2rem; flex-wrap:wrap; padding-bottom:2.5rem; }
.footer-name{ font-family:var(--font-display); font-size:1.3rem; }
.footer-tag{ color:var(--gold); font-size:.88rem; margin-top:.3rem; }
.footer-mission{ color:var(--text-muted); font-size:.88rem; margin-top:.5rem; max-width:30ch; }
.footer-nav{ display:flex; gap:1.4rem; flex-wrap:wrap; }
.footer-nav a{ font-size:.88rem; color:var(--text-muted); }
.footer-nav a:hover{ color:var(--gold); }
.back-to-top{ font-size:.85rem; color:var(--text-muted); border:1px solid var(--surface-border); padding:.5rem 1rem; border-radius:99px; }
.back-to-top:hover{ color:var(--gold); border-color:var(--gold-dim); }
.footer-bottom{ border-top:1px solid var(--surface-border); padding:1.2rem 1.5rem; }
.footer-bottom p{ font-size:.78rem; text-align:center; color:var(--text-muted); }

/* ---- Lightbox ---- */
.lightbox{
  position:fixed; inset:0; background:rgba(6,15,31,0.92); z-index:200;
  display:flex; align-items:center; justify-content:center; padding:2rem;
}
.lightbox[hidden]{ display:none; }
.lightbox-content{
  max-width:600px; width:100%; aspect-ratio:4/3; border-radius:var(--radius);
  background:linear-gradient(160deg, var(--navy-soft), var(--bg-deep));
  display:flex; align-items:center; justify-content:center; text-align:center; padding:2rem;
  font-family:var(--font-display); font-size:1.3rem; color:var(--gold-soft); border:1px solid var(--surface-border);
}
.lightbox-close{
  position:absolute; top:1.5rem; right:1.5rem; width:42px; height:42px; border-radius:50%;
  border:1px solid rgba(255,255,255,.2); color:#fff; font-size:1.1rem;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 920px){
  .venture-grid, .skills-grid, .impact-grid, .testimonial-grid{ grid-template-columns:repeat(2, 1fr); }
  .masonry{ grid-template-columns:repeat(2, 1fr); }
  .contact-grid{ grid-template-columns:1fr; gap:2.5rem; }
}

@media (max-width: 720px){
  .main-nav{
    position:fixed; top:0; right:0; height:100vh; width:min(78vw, 320px);
    background:var(--bg-deep); border-left:1px solid var(--surface-border);
    flex-direction:column; align-items:flex-start; gap:1.6rem; padding:6rem 2rem;
    transform:translateX(100%); transition:transform .35s var(--ease); z-index:40;
  }
  .main-nav.is-open{ transform:translateX(0); }
  .menu-toggle{ display:flex; }
  .menu-toggle.is-open span:nth-child(1){ transform:translateY(6.5px) rotate(45deg); }
  .menu-toggle.is-open span:nth-child(2){ opacity:0; }
  .menu-toggle.is-open span:nth-child(3){ transform:translateY(-6.5px) rotate(-45deg); }

  .skills-grid, .impact-grid, .venture-grid, .testimonial-grid{ grid-template-columns:1fr; }
  .masonry{ grid-template-columns:repeat(2, 1fr); grid-auto-rows:140px; }
  .span-tall{ grid-row:span 1; }
  .section{ padding:4.5rem 0; }
  .brand-name{ display:none; }
}