/* ============================================
   AKINSOLA IBRAHIM — PORTFOLIO
   Design language: exhibition-stand technical
   drawing / freight-crate stencil aesthetic —
   grounded in the subject's own world of trade
   show booths, spec sheets & production stamps.
   ============================================ */

:root{
  --ink:        #0F1526;
  --ink-2:      #171F36;
  --ink-3:      #202A48;
  --paper:      #EDEAE1;
  --paper-dim:  #B7B3A6;
  --brass:      #D2A23D;
  --brass-dim:  #8A6E2E;
  --rust:       #B5482F;
  --line:       rgba(237,234,225,0.14);
  --line-strong:rgba(237,234,225,0.26);

  --display: 'Big Shoulders Display', sans-serif;
  --mono:    'IBM Plex Mono', monospace;
  --body:    'Inter', sans-serif;

  --max: 1360px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--ink);
  color:var(--paper);
  font-family:var(--body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
::selection{ background:var(--brass); color:var(--ink); }

.wrap{ max-width:var(--max); margin:0 auto; padding:0 32px; }

/* focus visibility */
a:focus-visible, button:focus-visible{
  outline:2px solid var(--brass);
  outline-offset:3px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

/* ---------- utility labels ---------- */
.eyebrow{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--brass);
  display:flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:"";
  width:22px; height:1px;
  background:var(--brass-dim);
}

/* ============ NAV ============ */
#nav{
  position:fixed; top:0; left:0; right:0; z-index:100;
  display:flex; align-items:center; justify-content:space-between;
  padding:20px 32px;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.08em;
  text-transform:uppercase;
  transition:background .35s ease, border-color .35s ease, padding .35s ease;
  border-bottom:1px solid transparent;
}
#nav.scrolled{
  background:rgba(15,21,38,0.92);
  backdrop-filter: blur(8px);
  border-bottom:1px solid var(--line);
  padding:14px 32px;
}
#nav .mark{
  font-family:var(--display);
  font-weight:800;
  font-size:20px;
  letter-spacing:.02em;
  text-transform:none;
}
#nav .mark span{ color:var(--brass); }
#nav ul{
  list-style:none; display:flex; gap:28px; margin:0; padding:0;
}
#nav ul li a{
  color:var(--paper-dim);
  transition:color .2s;
  position:relative;
}
#nav ul li a:hover, #nav ul li a.active{ color:var(--paper); }
#nav ul li a.active::after{
  content:"";
  position:absolute; left:0; right:0; bottom:-6px; height:1px;
  background:var(--brass);
}
#nav-toggle{
  display:none;
  background:none; border:1px solid var(--line-strong); color:var(--paper);
  font-family:var(--mono); font-size:11px; letter-spacing:.1em; text-transform:uppercase;
  padding:8px 12px; cursor:pointer;
}

/* ============ HERO ============ */
#hero{
  position:relative;
  min-height:100vh;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  overflow:hidden;
}
#hero .hero-bg{
  position:absolute; inset:0;
  background-image:url('../images/booth-06.jpg');
  background-size:cover;
  background-position:center 38%;
  filter:saturate(1.05);
}
#hero .hero-scrim{
  position:absolute; inset:0;
  background:
    linear-gradient(180deg, rgba(15,21,38,0.55) 0%, rgba(15,21,38,0.35) 30%, rgba(15,21,38,0.85) 78%, var(--ink) 100%);
}
#hero .hero-grid{
  position:absolute; inset:0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:64px 64px;
  opacity:.35;
  mask-image: radial-gradient(ellipse at 50% 30%, black 0%, transparent 70%);
}

/* registration / crosshair corner marks — signature device */
.reg-mark{
  position:absolute; width:26px; height:26px; opacity:.85; z-index:5;
}
.reg-mark::before,.reg-mark::after{ content:""; position:absolute; background:var(--brass); }
.reg-mark::before{ left:50%; top:0; width:1px; height:100%; transform:translateX(-50%); }
.reg-mark::after{ top:50%; left:0; height:1px; width:100%; transform:translateY(-50%); }
.reg-mark i{
  position:absolute; left:50%; top:50%; width:7px; height:7px;
  border:1px solid var(--brass); border-radius:50%;
  transform:translate(-50%,-50%);
}
.reg-tl{ top:24px; left:24px; }
.reg-tr{ top:24px; right:24px; }
.reg-bl{ bottom:24px; left:24px; }
.reg-br{ bottom:24px; right:24px; }

.hero-inner{
  position:relative; z-index:2;
  padding:0 32px 0;
  width:100%;
}
.hero-top{
  max-width:var(--max); margin:0 auto; padding-top:120px;
  display:flex; justify-content:space-between; align-items:flex-start; gap:24px;
}
.hero-top .loc{
  font-family:var(--mono); font-size:12px; color:var(--paper-dim);
  text-align:right; line-height:1.7;
}
.hero-title-block{
  max-width:var(--max); margin:0 auto; padding-bottom:0;
}
.hero-name{
  font-family:var(--display);
  font-weight:800;
  font-size:clamp(58px, 11vw, 168px);
  line-height:.88;
  letter-spacing:-.01em;
  margin:18px 0 0;
  text-transform:uppercase;
}
.hero-name .accent{ color:var(--brass); }
.hero-role{
  font-family:var(--mono);
  font-size:clamp(13px,1.6vw,17px);
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--paper);
  margin:10px 0 0;
  display:flex; align-items:center; gap:14px; flex-wrap:wrap;
}
.hero-role .dot{ width:6px; height:6px; background:var(--brass); border-radius:50%; }

/* title-block strip like a drawing stamp */
.hero-stamp{
  margin-top:44px;
  border-top:1px solid var(--line-strong);
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.hero-stamp div{
  padding:16px 22px;
  border-right:1px solid var(--line);
  font-family:var(--mono);
  font-size:11.5px;
  color:var(--paper-dim);
  letter-spacing:.04em;
}
.hero-stamp div:last-child{ border-right:none; }
.hero-stamp b{
  display:block; color:var(--paper); font-size:12.5px; margin-top:4px; font-weight:500;
}
.hero-scroll{
  position:absolute; bottom:96px; left:32px; z-index:3;
  writing-mode:vertical-rl;
  font-family:var(--mono); font-size:11px; letter-spacing:.2em; text-transform:uppercase;
  color:var(--paper-dim);
  display:flex; align-items:center; gap:10px;
}
.hero-scroll::after{ content:""; width:1px; height:44px; background:var(--brass-dim); }

@media (max-width:720px){
  .hero-stamp{ grid-template-columns:repeat(2,1fr); }
  .hero-stamp div:nth-child(2){ border-right:none; }
  .hero-scroll{ display:none; }
  .hero-top{ padding-top:100px; flex-direction:column; }
  .hero-top .loc{ text-align:left; }
}

/* ============ SECTION HEADERS ============ */
.section{ padding:120px 0 40px; }
.section-head{
  padding-bottom:36px;
  margin-bottom:48px;
  border-bottom:1px solid var(--line);
  display:flex; justify-content:space-between; align-items:flex-end; gap:24px; flex-wrap:wrap;
}
.section-head .num{
  font-family:var(--display); font-weight:800; font-size:20px; color:var(--brass-dim);
}
.section-head h2{
  font-family:var(--display);
  font-weight:800;
  font-size:clamp(34px,5vw,64px);
  text-transform:uppercase;
  margin:6px 0 0;
  line-height:.95;
}
.section-head p{
  font-family:var(--body); color:var(--paper-dim); max-width:420px; margin:0;
  font-size:14.5px;
}
.section-head .count{
  font-family:var(--mono); font-size:12px; color:var(--paper-dim);
  border:1px solid var(--line-strong); padding:6px 12px; white-space:nowrap;
}

/* ============ GALLERY GRID ============ */
.grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:2px;
  background:var(--line);
}
.grid.grid-2{ grid-template-columns:repeat(2,1fr); }
.grid.grid-4{ grid-template-columns:repeat(4,1fr); }

.card{
  position:relative;
  background:var(--ink-2);
  overflow:hidden;
  cursor:pointer;
  aspect-ratio:4/3;
}
.card img{
  width:100%; height:100%; object-fit:cover;
  transition:transform .6s cubic-bezier(.2,.7,.2,1), filter .5s;
  filter:saturate(.96) brightness(.97);
}
.card:hover img{ transform:scale(1.045); filter:saturate(1.08) brightness(1); }
.card .cap{
  position:absolute; left:0; right:0; bottom:0;
  padding:14px 16px 12px;
  background:linear-gradient(0deg, rgba(15,21,38,.94) 0%, rgba(15,21,38,.5) 60%, transparent 100%);
  transform:translateY(12px);
  opacity:0;
  transition:opacity .3s, transform .3s;
}
.card:hover .cap{ opacity:1; transform:translateY(0); }
.card .cap .client{
  font-family:var(--mono); font-size:11px; letter-spacing:.06em; text-transform:uppercase; color:var(--brass);
}
.card .cap .role{
  font-family:var(--body); font-size:12.5px; color:var(--paper-dim); margin-top:2px;
}
.card .tick{
  position:absolute; top:10px; right:10px;
  font-family:var(--mono); font-size:10px; color:var(--paper-dim);
  opacity:0; transition:opacity .3s;
  border:1px solid var(--line-strong);
  padding:3px 6px;
  background:rgba(15,21,38,.7);
}
.card:hover .tick{ opacity:1; }

@media (max-width:980px){
  .grid{ grid-template-columns:repeat(2,1fr); }
  .grid.grid-4{ grid-template-columns:repeat(2,1fr); }
}
@media (max-width:600px){
  .grid, .grid.grid-2, .grid.grid-4{ grid-template-columns:1fr; }
}

/* ============ PROJECT GRID (grouped multi-angle galleries) ============ */
.project-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:52px 36px;
}
.project-grid.single{ grid-template-columns:1fr; }

.project-card{ position:relative; cursor:pointer; }
.project-card .frame{
  position:relative; z-index:2;
  aspect-ratio:4/3;
  overflow:hidden;
  border:1px solid var(--line-strong);
  background:var(--ink-2);
}
.project-card.single .frame{ aspect-ratio:21/8; }
.project-card .stack{
  position:absolute; inset:9px -9px -9px 9px;
  border:1px solid var(--line-strong);
  background:var(--ink-3);
  z-index:1;
  transition:transform .35s ease;
}
.project-card .stack2{
  position:absolute; inset:18px -18px -18px 18px;
  border:1px solid var(--line);
  background:var(--ink-2);
  z-index:0;
  opacity:.7;
  transition:transform .35s ease;
}
.project-card:hover .stack{ transform:translate(3px,3px); }
.project-card:hover .stack2{ transform:translate(6px,6px); }

.project-card .frame img{
  width:100%; height:100%; object-fit:cover;
  transition:transform .6s cubic-bezier(.2,.7,.2,1), filter .5s;
  filter:saturate(.96) brightness(.97);
}
.project-card:hover .frame img{ transform:scale(1.045); filter:saturate(1.08) brightness(1); }

.project-card .badge{
  position:absolute; top:10px; right:10px; z-index:3;
  font-family:var(--mono); font-size:10.5px; letter-spacing:.05em; text-transform:uppercase;
  background:rgba(15,21,38,.82); border:1px solid var(--line-strong); color:var(--paper);
  padding:4px 9px;
}
.project-card .index-tick{
  position:absolute; top:10px; left:10px; z-index:3;
  font-family:var(--mono); font-size:10.5px; color:var(--paper-dim);
  background:rgba(15,21,38,.82); border:1px solid var(--line-strong);
  padding:4px 9px;
}

.project-card .meta{ margin-top:16px; position:relative; z-index:3; }
.project-card .meta .client{
  font-family:var(--mono); font-size:12.5px; letter-spacing:.06em; text-transform:uppercase; color:var(--brass);
}
.project-card .meta .role{ font-family:var(--body); font-size:13.5px; color:var(--paper-dim); margin-top:3px; }
.project-card .meta .view{
  font-family:var(--mono); font-size:11px; color:var(--paper-dim); margin-top:9px;
  display:flex; align-items:center; gap:6px;
  opacity:0; transform:translateY(4px);
  transition:opacity .25s, transform .25s;
}
.project-card .meta .view::after{ content:"→"; transition:transform .25s; }
.project-card:hover .meta .view{ opacity:1; transform:translateY(0); }
.project-card:hover .meta .view::after{ transform:translateX(3px); }

@media (max-width:980px){
  .project-grid{ grid-template-columns:repeat(2,1fr); }
}
@media (max-width:600px){
  .project-grid{ grid-template-columns:1fr; gap:40px; }
  .project-card.single .frame{ aspect-ratio:4/3; }
}

/* ============ LIGHTBOX ============ */
#lightbox{
  position:fixed; inset:0; z-index:200;
  background:rgba(9,12,22,.96);
  display:none;
  align-items:center; justify-content:center;
  padding:60px 24px;
}
#lightbox.open{ display:flex; }
#lightbox figure{
  margin:0; max-width:1100px; width:100%;
  display:flex; flex-direction:column; align-items:center;
}
#lightbox img{ max-height:74vh; width:auto; margin:0 auto; border:1px solid var(--line-strong); }
#lightbox figcaption{
  margin-top:16px; font-family:var(--mono); font-size:12px; color:var(--paper-dim);
  text-align:center; letter-spacing:.04em;
}
#lightbox figcaption b{ color:var(--brass); text-transform:uppercase; }
.lb-close, .lb-prev, .lb-next{
  position:absolute;
  background:none; border:1px solid var(--line-strong); color:var(--paper);
  font-family:var(--mono); cursor:pointer;
  width:44px; height:44px;
  display:flex; align-items:center; justify-content:center;
  transition:border-color .2s, color .2s;
}
.lb-close:hover, .lb-prev:hover, .lb-next:hover{ border-color:var(--brass); color:var(--brass); }
.lb-close{ top:24px; right:24px; }
.lb-prev{ left:24px; top:50%; transform:translateY(-50%); }
.lb-next{ right:24px; top:50%; transform:translateY(-50%); }
@media (max-width:700px){
  .lb-prev{ left:8px; } .lb-next{ right:8px; } .lb-close{ top:12px; right:12px; }
}

/* ============ ABOUT / RESUME ============ */
#about{
  background:var(--paper);
  color:var(--ink);
  padding:120px 0;
}
#about .section-head{ border-color:rgba(15,21,38,.14); }
#about .section-head .num{ color:var(--rust); }
#about .eyebrow{ color:var(--rust); }
#about .eyebrow::before{ background:var(--brass-dim); }

.about-grid{
  display:grid;
  grid-template-columns:320px 1fr;
  gap:64px;
}
@media (max-width:860px){ .about-grid{ grid-template-columns:1fr; gap:48px; } }

.about-sidebar > div{
  padding:22px 0;
  border-top:1px solid rgba(15,21,38,.14);
}
.about-sidebar > div:first-child{ border-top:none; padding-top:0; }
.about-sidebar h4{
  font-family:var(--mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--rust); margin:0 0 12px;
}
.about-sidebar .contact-line{ font-size:14.5px; margin-bottom:6px; }
.about-sidebar .contact-line a{ border-bottom:1px solid rgba(15,21,38,.25); }
.about-sidebar .contact-line a:hover{ border-color:var(--rust); color:var(--rust); }

.skillbar{ margin-bottom:12px; }
.skillbar .row{ display:flex; justify-content:space-between; font-size:12.5px; margin-bottom:5px; font-family:var(--mono); text-transform:uppercase; letter-spacing:.03em; }
.skillbar .track{ height:4px; background:rgba(15,21,38,.12); position:relative; }
.skillbar .fill{ position:absolute; left:0; top:0; height:100%; background:var(--rust); }

.taglist{ display:flex; flex-wrap:wrap; gap:8px; }
.taglist span{
  font-family:var(--mono); font-size:11.5px; text-transform:uppercase;
  border:1px solid rgba(15,21,38,.22); padding:5px 10px;
}

.about-main .lede{
  font-family:var(--display);
  font-weight:600;
  font-size:clamp(22px,2.6vw,32px);
  line-height:1.35;
  max-width:760px;
  margin:0 0 20px;
}
.about-main .lede-body{
  color:#3B4256; max-width:640px; font-size:15px; margin-bottom:56px;
}

.timeline{ position:relative; padding-left:28px; border-left:1px solid rgba(15,21,38,.18); }
.tl-item{ position:relative; padding-bottom:40px; }
.tl-item:last-child{ padding-bottom:0; }
.tl-item::before{
  content:""; position:absolute; left:-33px; top:4px;
  width:9px; height:9px; border-radius:50%;
  background:var(--paper); border:2px solid var(--rust);
}
.tl-item .meta{
  font-family:var(--mono); font-size:11.5px; letter-spacing:.05em; text-transform:uppercase; color:var(--brass-dim);
  display:flex; gap:12px; flex-wrap:wrap; margin-bottom:6px;
}
.tl-item h3{ font-family:var(--display); font-size:24px; margin:0 0 2px; font-weight:700; }
.tl-item .place{ font-size:13.5px; color:#5A6178; margin-bottom:10px; }
.tl-item ul{ margin:0; padding-left:18px; font-size:14px; color:#333A4D; }
.tl-item li{ margin-bottom:6px; }

.edu-item{ margin-bottom:20px; }
.edu-item .meta{ font-family:var(--mono); font-size:11px; color:var(--brass-dim); text-transform:uppercase; }
.edu-item h4{ margin:2px 0 0; font-size:15.5px; font-family:var(--body); font-weight:600; }
.edu-item .sub{ font-size:13px; color:#5A6178; }

/* ============ CONTACT / FOOTER ============ */
#contact{
  background:var(--ink);
  padding:120px 0 48px;
  text-align:center;
}
#contact .eyebrow{ justify-content:center; }
#contact .eyebrow::before{ display:none; }
#contact h2{
  font-family:var(--display); font-weight:800; text-transform:uppercase;
  font-size:clamp(40px,8vw,110px); line-height:.92; margin:18px 0 30px;
}
#contact .big-link{
  font-family:var(--display); font-weight:700; font-size:clamp(24px,4vw,42px);
  color:var(--brass); border-bottom:2px solid var(--brass-dim); padding-bottom:6px;
  display:inline-block;
}
#contact .big-link:hover{ border-color:var(--brass); }
.contact-meta{
  margin-top:40px; display:flex; justify-content:center; gap:40px; flex-wrap:wrap;
  font-family:var(--mono); font-size:13px; color:var(--paper-dim);
}
.contact-meta a:hover{ color:var(--paper); }
footer{
  margin-top:90px; padding-top:24px; border-top:1px solid var(--line);
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px;
  font-family:var(--mono); font-size:11px; color:var(--paper-dim); text-transform:uppercase; letter-spacing:.06em;
}

@media (max-width:600px){
  #nav ul{
    position:fixed; top:60px; right:0; left:0;
    background:var(--ink); flex-direction:column; gap:0;
    max-height:0; overflow:hidden; transition:max-height .3s ease;
    border-bottom:1px solid var(--line);
  }
  #nav ul.open{ max-height:320px; }
  #nav ul li{ padding:16px 32px; border-top:1px solid var(--line); }
  #nav-toggle{ display:block; }
  .section{ padding:88px 0 20px; }
}