/* ============================================================
   MD EMON — Visual Studio portfolio
   Tokens
   ============================================================ */
:root{
  --ink:        #0e0d0b;
  --ink-soft:   #17150f;
  --paper:      #f4efe4;
  --paper-dim:  #d9d2c1;
  --brass:      #c9a15c;
  --brass-soft: #a9884e;
  --teal:       #3e6e68;
  --crimson:    #8c3331;
  --line:       rgba(244,239,228,.14);
  --line-strong:rgba(244,239,228,.28);

  --f-display: 'Fraunces', 'Georgia', serif;
  --f-body: 'Inter', system-ui, sans-serif;
  --f-mono: 'IBM Plex Mono', 'Courier New', monospace;

  --wrap: 1240px;
  --pad: clamp(20px, 5vw, 64px);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
html,body{
  background:var(--ink);
  color:var(--paper);
  margin:0;
  font-family:var(--f-body);
  -webkit-font-smoothing:antialiased;
}
img,video{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3{ font-family:var(--f-display); font-weight:500; margin:0; letter-spacing:-.01em; }
p{ margin:0; }
ul,ol{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; cursor:pointer; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; }
}

/* grain overlay */
.grain{
  position:fixed; inset:0; z-index:900; pointer-events:none;
  opacity:.05; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.eyebrow{
  font-family:var(--f-mono);
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--brass);
  display:flex; gap:.6em; align-items:center;
  margin-bottom:14px;
}
.eyebrow span{ color:var(--paper-dim); }

/* ============================================================
   Buttons
   ============================================================ */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:14px 26px;
  font-family:var(--f-mono);
  font-size:.78rem;
  letter-spacing:.06em;
  text-transform:uppercase;
  border-radius:2px;
  border:1px solid transparent;
  transition:background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}
.btn--solid{ background:var(--brass); color:var(--ink); }
.btn--solid:hover{ background:var(--paper); transform:translateY(-1px); }
.btn--line{ border-color:var(--line-strong); color:var(--paper); }
.btn--line:hover{ border-color:var(--brass); color:var(--brass); }
.btn--ghost{ border-color:var(--line-strong); color:var(--paper); padding:10px 20px; }
.btn--ghost:hover{ border-color:var(--brass); color:var(--brass); }

/* ============================================================
   Nav
   ============================================================ */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:800;
  border-bottom:1px solid transparent;
  transition:border-color .3s ease, background .3s ease;
}
.nav.is-scrolled{
  background:rgba(14,13,11,.86);
  backdrop-filter:blur(10px);
  border-bottom-color:var(--line);
}
.nav__inner{
  max-width:var(--wrap); margin:0 auto; padding:18px var(--pad);
  display:flex; align-items:center; gap:32px;
}
.nav__mark{
  font-family:var(--f-mono); font-size:.85rem; letter-spacing:.12em;
  color:var(--paper); border:1px solid var(--line-strong); padding:6px 10px;
}
.nav__links{ display:flex; gap:28px; margin-right:auto; margin-left:8px; }
.nav__links a{
  font-size:.85rem; color:var(--paper-dim);
  transition:color .2s ease;
}
.nav__links a:hover{ color:var(--brass); }
.nav__cta{ display:inline-flex; }
.nav__burger{
  display:none; flex-direction:column; gap:5px; background:none; border:none; padding:6px;
}
.nav__burger span{ width:22px; height:1px; background:var(--paper); display:block; }

/* ============================================================
   Hero
   ============================================================ */
.hero{ padding-top:120px; position:relative; overflow:hidden; }
.hero__inner{
  max-width:var(--wrap); margin:0 auto; padding:0 var(--pad) 64px;
  display:grid; grid-template-columns:1.1fr .9fr; gap:56px; align-items:center;
}
.hero__title{
  font-size:clamp(2.4rem, 5vw, 4.1rem);
  line-height:1.04;
  color:var(--paper);
}
.hero__lead{
  margin-top:22px; max-width:46ch;
  font-size:1.02rem; line-height:1.65; color:var(--paper-dim);
}
.hero__actions{ display:flex; gap:14px; margin-top:34px; flex-wrap:wrap; }
.hero__stats{
  margin-top:52px; padding-top:26px; border-top:1px solid var(--line);
  display:flex; gap:40px; flex-wrap:wrap;
}
.hero__stats dt{
  font-family:var(--f-mono); font-size:.66rem; letter-spacing:.1em;
  text-transform:uppercase; color:var(--brass-soft); margin-bottom:6px;
}
.hero__stats dd{ margin:0; font-size:.92rem; color:var(--paper); }

.hero__frame{ aspect-ratio:4/5; }
.hero__video{ width:100%; height:100%; object-fit:cover; }

/* marquee */
.marquee{
  border-top:1px solid var(--line); border-bottom:1px solid var(--line);
  overflow:hidden; white-space:nowrap;
  background:var(--ink-soft);
}
.marquee__track{
  display:inline-flex; gap:1.4rem; padding:14px 0;
  font-family:var(--f-mono); font-size:.78rem; letter-spacing:.12em;
  color:var(--brass-soft);
  animation:marquee 26s linear infinite;
}
.marquee__track span:nth-child(2n){ color:var(--paper-dim); }
@keyframes marquee{
  from{ transform:translateX(0); }
  to{ transform:translateX(-50%); }
}

/* ============================================================
   Viewfinder frame (signature element)
   ============================================================ */
.viewfinder{
  position:relative;
  border:1px solid var(--line);
  background:var(--ink-soft);
  overflow:hidden;
}
.vf-corner{
  position:absolute; width:16px; height:16px; z-index:3;
  border-color:var(--brass); opacity:.85;
}
.vf-tl{ top:10px; left:10px; border-top:1.5px solid; border-left:1.5px solid; }
.vf-tr{ top:10px; right:10px; border-top:1.5px solid; border-right:1.5px solid; }
.vf-bl{ bottom:10px; left:10px; border-bottom:1.5px solid; border-left:1.5px solid; }
.vf-br{ bottom:10px; right:10px; border-bottom:1.5px solid; border-right:1.5px solid; }
.vf-tag{
  position:absolute; left:10px; bottom:10px; z-index:3;
  font-family:var(--f-mono); font-size:.64rem; letter-spacing:.08em;
  text-transform:uppercase; color:var(--paper);
  background:rgba(14,13,11,.72); border:1px solid var(--line-strong);
  padding:5px 9px; backdrop-filter:blur(3px);
}
.hero__frame .vf-tag{ position:absolute; }

/* ============================================================
   Section shell
   ============================================================ */
section{ padding:96px var(--pad); }
.section-head{ max-width:var(--wrap); margin:0 auto 44px; }
.section-head h2{ font-size:clamp(1.7rem, 3vw, 2.4rem); color:var(--paper); }

/* ============================================================
   Services
   ============================================================ */
.services{ background:var(--ink-soft); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.service-grid{
  max-width:var(--wrap); margin:0 auto;
  display:grid; grid-template-columns:repeat(4,1fr); gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.service-card{
  background:var(--ink-soft); padding:30px 26px; min-height:220px;
  display:flex; flex-direction:column; gap:14px;
}
.service-card__tag{
  font-family:var(--f-mono); font-size:.62rem; letter-spacing:.08em;
  color:var(--brass-soft); text-transform:uppercase;
}
.service-card h3{ font-size:1.25rem; color:var(--paper); }
.service-card p{ color:var(--paper-dim); font-size:.9rem; line-height:1.55; }

/* ============================================================
   Work grid
   ============================================================ */
.filters{ display:flex; gap:10px; margin-top:26px; flex-wrap:wrap; }
.filter{
  background:none; border:1px solid var(--line-strong); color:var(--paper-dim);
  font-family:var(--f-mono); font-size:.72rem; letter-spacing:.06em;
  text-transform:uppercase; padding:9px 16px; border-radius:2px;
  transition:all .2s ease;
}
.filter:hover{ border-color:var(--brass); color:var(--brass); }
.filter.is-active{ background:var(--brass); border-color:var(--brass); color:var(--ink); }

.grid{
  max-width:var(--wrap); margin:0 auto;
  display:grid; grid-template-columns:repeat(3, 1fr); gap:20px;
}
.piece{
  margin:0; cursor:default;
  opacity:0; transform:translateY(18px);
  transition:opacity .6s ease, transform .6s ease;
}
.piece.is-visible{ opacity:1; transform:translateY(0); }
.piece img{ width:100%; aspect-ratio:4/5; object-fit:cover; transition:transform .5s ease; }
.piece:hover img{ transform:scale(1.045); }
.piece figcaption{
  display:flex; flex-direction:column; gap:8px;
  padding:14px 16px 16px;
}
.piece__title{ font-family:var(--f-display); font-size:1.02rem; color:var(--paper); }
.piece figcaption .vf-tag{
  position:static; align-self:flex-start; background:none; border:none; padding:0;
  color:var(--brass-soft);
}
.piece.is-video{ cursor:pointer; }
.piece.is-video .vf-tag{ opacity:0; transition:opacity .25s ease; }
.piece.is-video img{ opacity:.82; }
.play-btn{
  position:absolute; inset:0; margin:auto; width:52px; height:52px;
  border:1px solid var(--brass); border-radius:50%; z-index:3;
  display:flex; align-items:center; justify-content:center;
}
.play-btn::after{
  content:''; width:0; height:0;
  border-top:8px solid transparent; border-bottom:8px solid transparent;
  border-left:13px solid var(--brass); margin-left:3px;
}
.piece.is-video:hover .play-btn{ background:var(--brass); }
.piece.is-video:hover .play-btn::after{ border-left-color:var(--ink); }
.piece.filtered-out{ display:none; }

/* ============================================================
   Process
   ============================================================ */
.process{ background:var(--ink-soft); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.steps{
  max-width:var(--wrap); margin:0 auto;
  display:grid; grid-template-columns:repeat(3,1fr); gap:40px;
}
.steps li{ border-top:1px solid var(--line-strong); padding-top:22px; }
.steps__index{
  font-family:var(--f-mono); font-size:.78rem; color:var(--brass);
  display:block; margin-bottom:14px;
}
.steps h3{ font-size:1.3rem; color:var(--paper); margin-bottom:10px; }
.steps p{ color:var(--paper-dim); font-size:.92rem; line-height:1.6; }

/* ============================================================
   Contact
   ============================================================ */
.contact{ text-align:center; }
.contact__inner{ max-width:640px; margin:0 auto; }
.contact h2{ font-size:clamp(1.9rem,3.6vw,2.7rem); margin-top:6px; color:var(--paper); }
.contact__lead{
  margin:22px auto 0; color:var(--paper-dim); font-size:1rem; line-height:1.65; max-width:48ch;
}
.contact__row{ display:flex; gap:14px; justify-content:center; margin-top:34px; flex-wrap:wrap; }
.contact__note{
  margin-top:22px; font-family:var(--f-mono); font-size:.7rem; color:var(--paper-dim); opacity:.6;
}
.contact__note code{ color:var(--brass-soft); }

/* ============================================================
   Footer
   ============================================================ */
.footer{ border-top:1px solid var(--line); padding:40px var(--pad); }
.footer__inner{
  max-width:var(--wrap); margin:0 auto;
  display:flex; align-items:center; justify-content:space-between; gap:20px; flex-wrap:wrap;
}
.footer__inner p{ color:var(--paper-dim); font-size:.85rem; }
.footer__social{ display:flex; gap:20px; }
.footer__social a{ font-size:.82rem; color:var(--paper-dim); }
.footer__social a:hover{ color:var(--brass); }

/* ============================================================
   Lightbox
   ============================================================ */
.lightbox{
  position:fixed; inset:0; z-index:1000; background:rgba(7,6,5,.94);
  display:none; align-items:center; justify-content:center; padding:40px;
}
.lightbox.is-open{ display:flex; }
.lightbox video{ max-width:min(920px, 90vw); max-height:82vh; border:1px solid var(--line-strong); }
.lightbox__close{
  position:absolute; top:26px; right:30px; background:none; border:1px solid var(--line-strong);
  color:var(--paper); width:40px; height:40px; border-radius:50%; font-size:1rem;
}
.lightbox__close:hover{ border-color:var(--brass); color:var(--brass); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width:980px){
  .service-grid{ grid-template-columns:repeat(2,1fr); }
  .grid{ grid-template-columns:repeat(2,1fr); }
  .steps{ grid-template-columns:1fr; gap:26px; }
  .hero__inner{ grid-template-columns:1fr; }
  .hero__frame{ order:-1; aspect-ratio:16/10; }
}

@media (max-width:640px){
  .nav__links, .nav__cta{ display:none; }
  .nav__burger{ display:flex; margin-left:auto; }
  .nav.is-open .nav__links{
    display:flex; position:fixed; top:64px; left:0; right:0; bottom:0;
    background:var(--ink); flex-direction:column; padding:32px var(--pad); gap:22px;
    border-top:1px solid var(--line);
  }
  .nav.is-open .nav__links a{ font-size:1.1rem; }
  .service-grid{ grid-template-columns:1fr; }
  .grid{ grid-template-columns:1fr; }
  section{ padding:64px var(--pad); }
  .hero{ padding-top:96px; }
}