/* ============================================================
   AKAIRO POT — film production portfolio
   Shared design system · warm film-print · DM Serif + Archivo + Space Mono
   ============================================================ */

:root{
  --ink:oklch(0.165 0.012 65);
  --ink-2:oklch(0.205 0.014 62);
  --ink-3:oklch(0.255 0.016 60);
  --paper:oklch(0.945 0.018 82);
  --paper-2:oklch(0.86 0.02 80);
  --muted:oklch(0.70 0.018 75);
  --line:oklch(0.945 0.018 82 / 0.16);
  --amber:oklch(0.78 0.135 68);
  --amber-deep:oklch(0.66 0.15 53);

  --serif:"DM Serif Display",Georgia,serif;
  --sans:"Archivo",system-ui,-apple-system,sans-serif;
  --mono:"Space Mono",ui-monospace,monospace;

  --maxw:1380px;
  --gut:clamp(20px,5vw,64px);
  --nav-h:74px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--ink);color:var(--paper);
  font-family:var(--sans);font-size:17px;line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;}
img,video{display:block;max-width:100%;}
::selection{background:var(--amber);color:var(--ink);}

/* film grain — fixed over everything */
.grain{position:fixed;inset:0;z-index:9000;pointer-events:none;mix-blend-mode:overlay;opacity:.42;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%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");
  animation:grain 1.7s steps(3) infinite;}
@keyframes grain{0%{transform:translate(0,0)}33%{transform:translate(-4%,2%)}66%{transform:translate(3%,-3%)}100%{transform:translate(0,0)}}
@media (prefers-reduced-motion:reduce){.grain{animation:none;}}

/* ---------- layout helpers ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gut);}
.eyebrow{font-family:var(--mono);font-size:12.5px;letter-spacing:.3em;text-transform:uppercase;color:var(--amber);}
.label{font-family:var(--mono);font-size:11.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);}
section{position:relative;}

/* ---------- nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:8000;height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 var(--gut);
  background:linear-gradient(to bottom,oklch(0.165 0.012 65 / .92),oklch(0.165 0.012 65 / 0));
  transition:background .3s,backdrop-filter .3s;}
.nav.solid{background:oklch(0.165 0.012 65 / .9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.nav .brand{font-family:var(--mono);font-size:14px;letter-spacing:.3em;text-transform:uppercase;font-weight:700;display:flex;align-items:center;gap:11px;}
.nav .brand .dot{width:8px;height:8px;border-radius:50%;background:var(--amber);box-shadow:0 0 12px var(--amber);}
.nav .links{display:flex;align-items:center;gap:34px;font-family:var(--mono);font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;}
.nav .links a{position:relative;padding:6px 0;color:var(--paper);opacity:.82;transition:opacity .2s;}
.nav .links a:hover{opacity:1;}
.nav .links a.active{opacity:1;}
.nav .links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1.5px;background:var(--amber);}
.nav .links a.reel{color:var(--amber);opacity:1;display:inline-flex;align-items:center;gap:7px;}
.nav .burger{display:none;background:none;border:0;color:var(--paper);cursor:pointer;flex-direction:column;gap:5px;padding:8px;}
.nav .burger span{width:24px;height:2px;background:var(--paper);transition:.25s;}

/* mobile menu */
.mobile-menu{position:fixed;inset:0;z-index:7900;background:var(--ink);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:8px;transform:translateY(-100%);transition:transform .45s cubic-bezier(.7,0,.2,1);}
.mobile-menu.open{transform:translateY(0);}
.mobile-menu a{font-family:var(--serif);font-size:clamp(38px,11vw,72px);line-height:1.1;color:var(--paper);}
.mobile-menu a .n{font-family:var(--mono);font-size:13px;color:var(--amber);vertical-align:super;margin-right:10px;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:12px;font-family:var(--mono);font-size:12.5px;
  letter-spacing:.2em;text-transform:uppercase;padding:15px 26px;border-radius:999px;cursor:pointer;
  border:1px solid transparent;transition:transform .2s,background .2s,color .2s;white-space:nowrap;}
.btn:hover{transform:translateY(-2px);}
.btn-amber{background:var(--amber);color:var(--ink);}
.btn-amber:hover{background:var(--paper);}
.btn-ghost{border-color:var(--line);color:var(--paper);}
.btn-ghost:hover{border-color:var(--amber);color:var(--amber);}
.btn .play{width:0;height:0;border-left:11px solid currentColor;border-top:7px solid transparent;border-bottom:7px solid transparent;}

/* ---------- media slot (video + filmic placeholder) ---------- */
.slot{position:relative;overflow:hidden;background:#0d0a07;border-radius:5px;}
.slot .vid{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .6s;}
.slot.has-video .vid{opacity:1;}
.slot.has-video .ph{opacity:0;}
.ph{position:absolute;inset:0;transition:opacity .6s;}
.ph::before{content:"";position:absolute;inset:0;
  background:
    radial-gradient(70% 90% at 28% 26%, oklch(0.42 0.12 60 / .85), transparent 60%),
    radial-gradient(80% 90% at 80% 78%, oklch(0.34 0.10 38 / .8), transparent 62%),
    repeating-linear-gradient(118deg, rgba(255,255,255,.035) 0 2px, transparent 2px 9px),
    linear-gradient(160deg,#2a1c11,#0c0a07 72%);}
.ph.kb::before{animation:burns 20s ease-in-out infinite alternate;}
@keyframes burns{0%{transform:scale(1.06)}100%{transform:scale(1.17) translate(-2%,-2%)}}
@media (prefers-reduced-motion:reduce){.ph.kb::before{animation:none;}}
.ph .ph-label{position:absolute;left:16px;bottom:14px;font-family:var(--mono);font-size:11px;
  letter-spacing:.16em;text-transform:uppercase;color:rgba(243,236,224,.78);z-index:2;}
.ph .ph-drop{position:absolute;top:50%;left:0;right:0;transform:translateY(-50%);text-align:center;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:rgba(243,236,224,.45);z-index:2;}
.slot.has-video .ph .ph-drop{display:none;}

/* play dot overlay */
.pdot{position:absolute;width:54px;height:54px;border-radius:50%;border:1.5px solid var(--paper);
  background:rgba(0,0,0,.32);display:grid;place-items:center;z-index:3;
  top:50%;left:50%;transform:translate(-50%,-50%);transition:.25s;backdrop-filter:blur(2px);}
.pdot::before{content:"";border-left:15px solid var(--paper);border-top:9px solid transparent;border-bottom:9px solid transparent;margin-left:4px;}
.slot:hover .pdot{border-color:var(--amber);background:rgba(0,0,0,.5);}
.slot:hover .pdot::before{border-left-color:var(--amber);}
.pdot.sm{width:40px;height:40px;}
.pdot.sm::before{border-left-width:11px;border-top-width:7px;border-bottom-width:7px;}

/* corner ticks */
.tick{position:absolute;width:20px;height:20px;border:2px solid var(--amber);z-index:4;pointer-events:none;}
.tick.tl{top:14px;left:14px;border-right:0;border-bottom:0;}
.tick.tr{top:14px;right:14px;border-left:0;border-bottom:0;}
.tick.bl{bottom:14px;left:14px;border-right:0;border-top:0;}
.tick.br{bottom:14px;right:14px;border-left:0;border-top:0;}

/* ---------- marquee ---------- */
.marquee{overflow:hidden;display:flex;align-items:center;background:var(--amber);color:#1a1209;
  height:46px;border-block:1px solid #1a1209;}
.marquee .track{display:flex;white-space:nowrap;font-family:var(--mono);font-size:12.5px;
  letter-spacing:.24em;text-transform:uppercase;animation:scrollx 30s linear infinite;}
.marquee .track span{padding:0 14px;}
.marquee .track .star{color:#1a1209;opacity:.55;}
@keyframes scrollx{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.marquee.dark{background:var(--ink-2);color:var(--amber);border-color:var(--line);}

/* ---------- footer ---------- */
.foot{background:var(--ink);border-top:1px solid var(--line);padding-top:0;}
.foot-cta{padding:clamp(60px,10vw,130px) 0;text-align:center;}
.foot-cta h2{font-family:var(--serif);font-weight:400;font-size:clamp(44px,9vw,118px);line-height:.96;margin:0 0 30px;letter-spacing:-.015em;}
.foot-cta h2 em{font-style:italic;color:var(--amber);}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding:54px 0;border-top:1px solid var(--line);}
.foot-grid .brand{font-family:var(--mono);font-size:14px;letter-spacing:.3em;text-transform:uppercase;font-weight:700;}
.foot-grid p{color:var(--muted);font-size:14.5px;max-width:34ch;margin:14px 0 0;}
.foot-col h4{font-family:var(--mono);font-size:11.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);margin:0 0 16px;font-weight:400;}
.foot-col a{display:block;padding:6px 0;font-size:15px;opacity:.9;transition:color .2s;}
.foot-col a:hover{color:var(--amber);}
.foot-base{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;
  padding:24px 0 40px;border-top:1px solid var(--line);font-family:var(--mono);font-size:11px;
  letter-spacing:.18em;text-transform:uppercase;color:var(--muted);}

/* ---------- generic section heads ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:42px;flex-wrap:wrap;}
.sec-head h2{font-family:var(--serif);font-weight:400;font-size:clamp(38px,6vw,84px);line-height:.98;margin:10px 0 0;letter-spacing:-.015em;}

/* big page title (work/about/contact headers) */
.page-head{padding:calc(var(--nav-h) + clamp(48px,9vw,120px)) 0 clamp(30px,5vw,60px);position:relative;overflow:hidden;}
.page-head h1{font-family:var(--serif);font-weight:400;font-size:clamp(72px,18vw,260px);line-height:.82;margin:14px 0 0;letter-spacing:-.02em;}
.page-head h1 em{font-style:italic;color:var(--amber);}
.page-head .lead{max-width:52ch;color:var(--paper-2);font-size:clamp(16px,2vw,20px);margin:26px 0 0;}

/* reveal-on-scroll */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1);}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;}}

/* ---------- lightbox ---------- */
.lightbox{position:fixed;inset:0;z-index:9500;background:oklch(0.12 0.01 60 / .92);backdrop-filter:blur(8px);
  display:none;align-items:center;justify-content:center;padding:clamp(20px,5vw,80px);}
.lightbox.open{display:flex;}
.lb-inner{width:min(1100px,100%);}
.lb-stage{position:relative;aspect-ratio:16/9;background:#0d0a07;border-radius:6px;overflow:hidden;border:1px solid var(--line);}
.lb-stage video{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#000;}
.lb-ph{position:absolute;inset:0;}
.lb-bar{display:flex;justify-content:space-between;align-items:baseline;margin-top:18px;gap:20px;}
.lb-title{font-family:var(--serif);font-size:clamp(24px,4vw,40px);}
.lb-meta{font-family:var(--mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--amber);}
.lb-close{position:fixed;top:24px;right:28px;width:48px;height:48px;border-radius:50%;border:1px solid var(--line);
  background:none;color:var(--paper);font-size:22px;cursor:pointer;display:grid;place-items:center;transition:.2s;}
.lb-close:hover{border-color:var(--amber);color:var(--amber);transform:rotate(90deg);}

/* ---------- responsive ---------- */
@media (max-width:860px){
  .nav .links{display:none;}
  .nav .burger{display:flex;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-base{flex-direction:column;align-items:flex-start;}
}