:root{
    --paper:#E9E7E1;
    --ink:#121210;
    --muted-on-paper:#6E6C66;
    --muted-on-ink:#9C9A94;
    --line-on-paper:rgba(18,18,16,0.14);
    --line-on-ink:rgba(233,231,225,0.16);

    --font-display:'Fraunces', serif;
    --font-body:'Inter', sans-serif;
    --font-mono:'Space Mono', monospace;

    --fs-hero:clamp(3.2rem, 13vw, 10rem);
    --fs-h2:clamp(2.4rem, 7vw, 5rem);
    --fs-lead:clamp(1.25rem, 2.6vw, 2rem);
    --fs-num:clamp(5rem, 14vw, 11rem);
    --fs-frame-title:clamp(1.6rem, 5vw, 3.4rem);
    --fs-label:0.78rem;
    --fs-body:clamp(1rem, 1.05vw, 1.125rem);

    --pad:clamp(1.5rem, 5vw, 4rem);
    --ease:cubic-bezier(.16,.84,.44,1);
  }

  *{ margin:0; padding:0; box-sizing:border-box; }
  html{ scroll-behavior:smooth; }
  body{
    font-family:var(--font-body);
    font-size:var(--fs-body);
    line-height:1.6;
    background:var(--paper);
    color:var(--ink);
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{ display:block; max-width:100%; height:auto; }
  a{ color:inherit; text-decoration:none; }

  /* film grain, site-wide */
  body::after{
    content:"";
    position:fixed; inset:0;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    opacity:0.05;
    mix-blend-mode:overlay;
    pointer-events:none;
    z-index:999;
  }

  /* header */
  .site-header{
    position:fixed; top:0; left:0; right:0;
    display:flex; align-items:center; justify-content:space-between;
    padding:1.4rem var(--pad);
    font-family:var(--font-mono);
    font-size:0.78rem;
    letter-spacing:0.18em;
    text-transform:uppercase;
    color:#fff;
    mix-blend-mode:difference;
    z-index:200;
  }
  .site-header .logo{ font-weight:700; }
  .site-header nav{ display:flex; gap:2.25rem; }
  .site-header nav a{ position:relative; padding-bottom:3px; }
  .site-header nav a::after{
    content:""; position:absolute; left:0; bottom:0; width:100%; height:1px;
    background:currentColor; transform:scaleX(0); transform-origin:right;
    transition:transform .35s var(--ease);
  }
  .site-header nav a:hover::after{ transform:scaleX(1); transform-origin:left; }

  .menu-toggle{
    display:none;
    font-family:var(--font-mono); font-size:.78rem; letter-spacing:.18em; text-transform:uppercase;
    background:none; border:none; color:inherit; cursor:pointer;
  }

  .nav-overlay{
    position:fixed; inset:0;
    background:var(--ink); color:var(--paper);
    display:flex; flex-direction:column; justify-content:center; gap:1.75rem;
    padding:var(--pad);
    transform:translateY(-100%); transition:transform .5s var(--ease);
    z-index:300;
  }
  .nav-overlay.open{ transform:translateY(0); }
  .nav-overlay a{ font-family:var(--font-display); font-size:clamp(2rem,9vw,3.5rem); font-weight:700; }
  .nav-overlay .close{
    position:absolute; top:1.4rem; right:var(--pad);
    font-family:var(--font-mono); font-size:.78rem; letter-spacing:.18em; text-transform:uppercase;
    background:none; border:none; color:inherit; cursor:pointer;
  }
  @media (min-width:701px){ .nav-overlay{ display:none; } }

  /* shared frame */
  .frame{ position:relative; padding:clamp(6rem,12vh,9rem) var(--pad) clamp(3rem,8vh,6rem); }
  .frame--ink{ background:var(--ink); color:var(--paper); }
  .frame--paper{ background:var(--paper); color:var(--ink); }

  .label{
    font-family:var(--font-mono); font-size:var(--fs-label);
    letter-spacing:0.28em; text-transform:uppercase;
    opacity:.6; display:block; margin-bottom:1.75rem;
  }

  /* reveal on scroll */
  [data-reveal]{ opacity:0; transform:translateY(28px); transition:opacity .9s var(--ease), transform .9s var(--ease); }
  [data-reveal].revealed{ opacity:1; transform:none; }

  /* hero */
  .frame--hero{ min-height:100vh; display:flex; flex-direction:column; justify-content:center; }
  .hero-eyebrow{
    font-family:var(--font-mono); font-size:var(--fs-label); letter-spacing:.32em;
    text-transform:uppercase; opacity:.65; margin-bottom:1.75rem;
  }
  .hero-title span{ display:block; font-family:var(--font-display); line-height:0.96; letter-spacing:-0.02em; }
  .hero-title .l1{ font-weight:400; font-style:italic; font-size:clamp(2rem,7vw,5rem); opacity:.85; transition-delay:.05s; }
  .hero-title .l2{ font-weight:600; font-size:clamp(2.6rem,9vw,6.5rem); transition-delay:.2s; }
  .hero-title .l3{ font-weight:900; font-size:clamp(3.5rem,14vw,11rem); transition-delay:.35s; }
  .scroll-cue{
    position:absolute; bottom:var(--pad); left:var(--pad);
    font-family:var(--font-mono); font-size:.75rem; letter-spacing:.32em; text-transform:uppercase; opacity:.5;
    display:flex; align-items:center; gap:.6rem;
  }
  .scroll-cue .arrow{ display:inline-block; animation:bob 2.4s ease-in-out infinite; }
  @keyframes bob{ 0%,100%{ transform:translateY(0); } 50%{ transform:translateY(6px); } }

  /* studio */
  .frame--studio .lead{
    font-family:var(--font-display); font-weight:500; font-size:var(--fs-lead);
    line-height:1.35; max-width:46ch;
  }
  .frame--studio .note{
    margin-top:2rem; max-width:40ch; color:var(--muted-on-paper);
    transition-delay:.1s;
  }

  /* process */
  .process-list{ display:flex; flex-direction:column; gap:clamp(2rem,6vh,4rem); }
  .process-step{
    display:grid; grid-template-columns:auto 1fr; gap:clamp(1rem,4vw,3rem); align-items:start;
    border-top:1px solid var(--line-on-ink); padding-top:clamp(1.5rem,4vh,3rem);
  }
  .process-step:first-child{ border-top:none; padding-top:0; }
  .process-num{
    font-family:var(--font-display); font-weight:900; font-size:var(--fs-num); line-height:1;
    color:transparent; -webkit-text-stroke:1px var(--muted-on-ink);
  }
  .process-body h3{ font-family:var(--font-display); font-weight:700; font-size:clamp(1.5rem,3vw,2.25rem); margin-bottom:.75rem; }
  .process-body p{ max-width:40ch; color:var(--muted-on-ink); }
  @media (max-width:720px){
    .process-step{ grid-template-columns:1fr; gap:.5rem; }
    .process-num{ font-size:clamp(3.5rem,18vw,6rem); }
  }

  /* gallery */
  .frame--gallery{ padding-left:0; padding-right:0; }
  .frame--gallery .label{ padding-left:var(--pad); }
  .sprocket{
    height:14px;
    background-color:var(--paper);
    background-image:radial-gradient(circle 3.5px, var(--ink) 99%, transparent 100%);
    background-size:26px 14px;
    background-position:center;
    background-repeat:repeat-x;
  }
  .filmstrip{ display:flex; flex-direction:column; gap:2px; }
  .shot{ position:relative; overflow:hidden; }
  .shot img{
    display:block;
    width:100%; height:auto;
    transform:scale(1.04);
    transition:transform 2s var(--ease);
    filter:grayscale(1) contrast(1.06);
  }
  .shot.in-view img{ transform:scale(1); }
  .shot::after{
    content:""; position:absolute; inset:auto 0 0 0; height:50%;
    background:linear-gradient(to top, rgba(18,18,16,.82), rgba(18,18,16,.1) 70%, transparent);
  }
  .shot figcaption{
    position:absolute; left:var(--pad); right:var(--pad); bottom:clamp(.75rem,2.5vh,1.5rem);
    display:flex; align-items:baseline; gap:1.25rem; color:var(--paper);
    z-index:2;
  }
  .frame-no{ font-family:var(--font-mono); font-size:.85rem; letter-spacing:.22em; opacity:.7; }
  .frame-title{ font-family:var(--font-display); font-weight:700; font-size:var(--fs-frame-title); }
  @media (max-width:720px){ .shot{ height:40vh; } }

  .frame-counter{
    position:fixed; right:1.5rem; bottom:1.5rem;
    font-family:var(--font-mono); font-size:.75rem; letter-spacing:.3em;
    color:#fff; mix-blend-mode:difference;
    opacity:0; transition:opacity .4s; z-index:150;
  }
  .frame-counter.visible{ opacity:.75; }

  /* contact */
  .frame--contact .display{
    font-family:var(--font-display); font-weight:900; font-size:var(--fs-h2);
    line-height:1.05; max-width:16ch;
  }
  .frame--contact .display em{ font-style:italic; font-weight:400; }
  .contact-grid{
    display:grid; grid-template-columns:1.2fr 1fr; gap:clamp(2rem,6vw,5rem);
    margin-top:clamp(2.5rem,6vh,4.5rem); align-items:start;
  }
  .contact-grid .intro{ max-width:42ch; color:var(--muted-on-paper); margin-bottom:2rem; }
  form{ display:flex; flex-direction:column; gap:1.25rem; }
  .field{ display:flex; flex-direction:column; gap:.4rem; }
  .field label{
    font-family:var(--font-mono); font-size:.72rem; letter-spacing:.22em; text-transform:uppercase; opacity:.6;
  }
  input, textarea{
    font-family:var(--font-body); font-size:1rem; padding:.85rem 0;
    background:transparent; border:none; border-bottom:1px solid var(--line-on-paper);
    color:var(--ink); transition:border-color .3s;
  }
  input:focus, textarea:focus{ outline:none; border-color:var(--ink); }
  textarea{ resize:vertical; min-height:110px; font-family:inherit; }
  button[type="submit"]{
    align-self:flex-start; margin-top:.5rem;
    font-family:var(--font-mono); text-transform:uppercase; letter-spacing:.22em; font-size:.8rem;
    padding:1rem 2.5rem; background:var(--ink); color:var(--paper); border:none; cursor:pointer;
    position:relative; overflow:hidden; transition:color .35s var(--ease);
  }
  button[type="submit"]::before{
    content:""; position:absolute; inset:0; background:var(--paper);
    transform:scaleX(0); transform-origin:left; transition:transform .35s var(--ease); z-index:-1;
  }
  button[type="submit"]:hover{ color:var(--ink); }
  button[type="submit"]:hover::before{ transform:scaleX(1); }

  .contact-info{ font-family:var(--font-mono); display:flex; flex-direction:column; gap:1.1rem; font-size:.95rem; }
  .contact-info a{
    position:relative; padding-bottom:3px; width:fit-content;
    border-bottom:1px solid var(--line-on-paper); transition:opacity .3s;
  }
  .contact-info a:hover{ opacity:.55; }
  .contact-info .muted{
    color:var(--muted-on-paper); font-size:.78rem; letter-spacing:.18em; text-transform:uppercase;
  }
  @media (max-width:820px){ .contact-grid{ grid-template-columns:1fr; gap:2.5rem; } }

  /* footer */
  footer{
    background:var(--ink); color:var(--muted-on-ink);
    font-family:var(--font-mono); font-size:.75rem; letter-spacing:.18em; text-transform:uppercase;
    padding:1.5rem var(--pad);
    display:flex; justify-content:space-between; align-items:center; gap:1rem;
  }
  footer a{ transition:color .3s; }
  footer a:hover{ color:var(--paper); }

  /* visually hidden focus-safe skip target */
  :focus-visible{ outline:1px solid currentColor; outline-offset:3px; }

  @media (prefers-reduced-motion: reduce){
    html{ scroll-behavior:auto; }
    *{ animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; }
    [data-reveal]{ opacity:1; transform:none; }
    .shot img{ transform:none; }
    .nav-overlay{ transition:none; }
  }