/* ===================================================================
   KAINN — AI Creative Director — Portfolio
   Design language: cinematic, dark editorial, film-grain minimal.
   =================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Anton&family=Space+Grotesk:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --bg:        #0b0a09;
  --bg-alt:    #141210;
  --panel:     #1a1815;
  --ink:       #f3efe6;
  --ink-dim:   #9c968a;
  --ink-faint: #6b665c;
  --amber:     #e2932f;
  --amber-dim: #8a5a1f;
  --rust:      #7c2a1f;
  --line:      rgba(243,239,230,0.12);
  --line-soft: rgba(243,239,230,0.06);

  --f-display: 'Anton', sans-serif;
  --f-body:    'Space Grotesk', sans-serif;
  --f-mono:    'IBM Plex Mono', monospace;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);

  --container: 1360px;
  --gutter: clamp(20px, 5vw, 64px);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ background:var(--bg); scroll-behavior:smooth; }
html,body{ overflow-x:hidden; }

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--f-body);
  font-size:16px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

img,video{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; background:none; border:none; color:inherit; cursor:pointer; }

::selection{ background:var(--amber); color:#0b0a09; }

/* film grain overlay */
.grain{
  position:fixed; inset:0; z-index:9998; pointer-events:none;
  opacity:.045; 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");
}

.container{
  max-width:var(--container);
  margin:0 auto;
  padding-left:var(--gutter);
  padding-right:var(--gutter);
}

.eyebrow{
  font-family:var(--f-mono);
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--amber);
  display:flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:'';
  width:18px; height:1px;
  background:var(--amber);
  display:inline-block;
}

/* ============ LOADER ============ */
#loader{
  position:fixed; inset:0; z-index:10000;
  background:var(--bg);
  display:flex; align-items:center; justify-content:center;
  transition:opacity .8s var(--ease), visibility .8s var(--ease);
}
#loader.hidden{ opacity:0; visibility:hidden; }
.loader-mark{
  display:flex; align-items:center; gap:16px;
  font-family:var(--f-body);
  font-size:40px;
  color:var(--ink);
  opacity:0;
  transform:scale(.85);
  animation:loaderIn 1.1s var(--ease) forwards .15s;
}
.loader-mark img{ height:46px; width:auto; }
@keyframes loaderIn{
  0%{ opacity:0; transform:scale(.85); }
  60%{ opacity:1; }
  100%{ opacity:1; transform:scale(1); }
}

/* ============ CUSTOM CURSOR ============ */
.cursor{
  position:fixed; top:0; left:0; z-index:9999;
  width:14px; height:14px; border-radius:50%;
  background:var(--ink);
  pointer-events:none;
  transform:translate(-50%,-50%);
  transition:width .3s var(--ease), height .3s var(--ease), background .3s var(--ease), opacity .3s;
  mix-blend-mode:difference;
}
.cursor-label{
  position:fixed; top:0; left:0; z-index:9999;
  transform:translate(-50%,-50%);
  font-family:var(--f-mono);
  font-size:10px;
  letter-spacing:.1em;
  color:#0b0a09;
  background:var(--ink);
  padding:6px 10px;
  border-radius:20px;
  pointer-events:none;
  opacity:0;
  transition:opacity .25s var(--ease-soft);
  white-space:nowrap;
}
.cursor-label.show{ opacity:1; }
@media (pointer:coarse){
  .cursor,.cursor-label{ display:none; }
}

/* ============ NAV ============ */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:500;
  display:flex; align-items:center; justify-content:space-between;
  padding:22px var(--gutter);
  mix-blend-mode:difference;
}
.nav-logo{
  display:flex; align-items:center; gap:9px;
  font-family:var(--f-body); font-weight:700; font-size:19px; letter-spacing:.01em;
}
.nav-logo .mark{ height:20px; width:auto; mix-blend-mode:normal; }
.nav-links{ display:flex; gap:34px; }
.nav-links a{
  font-family:var(--f-mono); font-size:12px; letter-spacing:.1em; text-transform:uppercase;
  position:relative; padding-bottom:3px;
}
.nav-links a::after{
  content:''; position:absolute; left:0; right:100%; bottom:0; height:1px; background:var(--ink);
  transition:right .35s var(--ease);
}
.nav-links a:hover::after{ right:0; }
.nav-toggle{ display:none; }
@media (max-width:760px){
  .nav-links{ display:none; }
}

/* ============ HERO ============ */
.hero{
  position:relative; height:100svh; min-height:560px;
  display:flex; flex-direction:column; justify-content:flex-end;
  overflow:hidden;
}
.hero-bg{
  position:absolute; inset:0; z-index:0;
}
.hero-bg img{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  opacity:0; animation:heroFade 18s infinite;
  will-change:opacity, transform;
}
.hero-bg img:nth-child(1){ animation-delay:0s; }
.hero-bg img:nth-child(2){ animation-delay:6s; }
.hero-bg img:nth-child(3){ animation-delay:12s; }
@keyframes heroFade{
  0%{ opacity:0; transform:scale(1.08); }
  4%{ opacity:1; transform:scale(1.02); }
  30%{ opacity:1; transform:scale(1); }
  34%{ opacity:0; transform:scale(.98); }
  100%{ opacity:0; }
}
.hero::after{
  content:'';
  position:absolute; inset:0; z-index:1;
  background:linear-gradient(180deg, rgba(11,10,9,.35) 0%, rgba(11,10,9,.25) 35%, rgba(11,10,9,.85) 92%, var(--bg) 100%);
}
.hero-watermark{
  position:absolute; top:20%; right:6%; z-index:2;
  width:min(30vw,320px);
  opacity:.06;
  pointer-events:none;
  user-select:none;
  transform:rotate(-6deg);
}
.hero-content{
  position:relative; z-index:3;
  padding:0 var(--gutter) 56px;
  max-width:var(--container);
  margin:0 auto; width:100%;
}
.hero-eyebrow{ margin-bottom:18px; }
.hero-title{
  font-family:var(--f-display);
  font-size:clamp(52px, 13vw, 168px);
  line-height:.86;
  letter-spacing:-.01em;
  margin:0 0 22px;
  text-transform:uppercase;
}
.hero-sub{
  display:flex; flex-wrap:wrap; gap:14px 40px;
  align-items:flex-end; justify-content:space-between;
  border-top:1px solid var(--line);
  padding-top:20px;
}
.hero-role{
  font-family:var(--f-mono); font-size:13px; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-dim);
}
.hero-pitch{
  max-width:480px;
  font-size:clamp(14px,1.6vw,17px);
  color:var(--ink);
  line-height:1.5;
}
.hero-scroll{
  position:absolute; bottom:22px; left:var(--gutter); z-index:3;
  display:flex; align-items:center; gap:10px;
  font-family:var(--f-mono); font-size:10px; letter-spacing:.15em; text-transform:uppercase; color:var(--ink-dim);
}
.hero-scroll .line{
  width:1px; height:34px; background:var(--ink-dim); position:relative; overflow:hidden;
}
.hero-scroll .line::after{
  content:''; position:absolute; top:-100%; left:0; width:100%; height:100%; background:var(--amber);
  animation:scrollLine 2.2s var(--ease-soft) infinite;
}
@keyframes scrollLine{ 0%{top:-100%;} 60%{top:100%;} 100%{top:100%;} }

/* ============ MARQUEE ============ */
.marquee{
  border-top:1px solid var(--line); border-bottom:1px solid var(--line);
  overflow:hidden; white-space:nowrap; padding:16px 0;
  background:var(--bg-alt);
}
.marquee-track{
  display:inline-flex; gap:0;
  animation:marquee 28s linear infinite;
}
.marquee span{
  font-family:var(--f-display);
  font-size:clamp(16px,2.2vw,26px);
  text-transform:uppercase;
  letter-spacing:.02em;
  color:var(--ink-faint);
  padding:0 26px;
  display:inline-flex; align-items:center; gap:26px;
}
.marquee span i{ color:var(--amber); font-style:normal; }
@keyframes marquee{
  from{ transform:translateX(0); }
  to{ transform:translateX(-50%); }
}

/* ============ SECTION GENERIC ============ */
section{ position:relative; padding:120px 0; }
.section-head{
  display:flex; justify-content:space-between; align-items:flex-end; gap:24px;
  margin-bottom:56px; flex-wrap:wrap;
}
.section-title{
  font-family:var(--f-display);
  font-size:clamp(34px,5.4vw,72px);
  text-transform:uppercase;
  line-height:.95;
  margin:10px 0 0;
}
.section-note{
  max-width:340px; color:var(--ink-dim); font-size:14px; line-height:1.6;
}

.reveal{
  opacity:0; transform:translateY(36px);
  filter:blur(6px);
  transition:opacity .9s var(--ease), transform .9s var(--ease), filter .9s var(--ease);
}
.reveal.in{ opacity:1; transform:translateY(0); filter:blur(0); }

/* ============ ABOUT ============ */
.about{ background:var(--bg); border-bottom:1px solid var(--line); }
.about-grid{
  display:grid; grid-template-columns:1fr 1.3fr; gap:60px;
}
.about-lead{
  font-family:var(--f-display);
  font-size:clamp(24px,3.2vw,38px);
  line-height:1.25;
  text-transform:none;
  color:var(--ink);
}
.about-body{ color:var(--ink-dim); font-size:15px; line-height:1.8; }
.about-body p{ margin:0 0 18px; }
.about-tags{ display:flex; flex-wrap:wrap; gap:10px; margin-top:26px; }
.tag{
  font-family:var(--f-mono); font-size:11px; letter-spacing:.06em; text-transform:uppercase;
  border:1px solid var(--line); color:var(--ink-dim);
  padding:7px 14px; border-radius:2px;
}
@media (max-width:860px){
  .about-grid{ grid-template-columns:1fr; gap:30px; }
}

/* ============ PROCESS ============ */
.process{ background:var(--bg-alt); border-bottom:1px solid var(--line); }
.process-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.process-card{
  background:var(--bg-alt); padding:38px 32px;
}
.process-num{
  font-family:var(--f-mono); font-size:12px; color:var(--amber); margin-bottom:22px; display:block;
}
.process-card h3{
  font-family:var(--f-display); font-size:22px; text-transform:uppercase; margin:0 0 14px; letter-spacing:.01em;
}
.process-card p{ color:var(--ink-dim); font-size:14px; line-height:1.7; margin:0; }
.process-card ul{ margin-top:14px; }
.process-card li{
  color:var(--ink); font-size:13.5px; line-height:1.6; padding:8px 0; border-top:1px solid var(--line-soft);
}
.process-card li:first-child{ border-top:none; }
.process-card li b{ color:var(--amber); font-weight:600; }
.stack-row{ display:flex; flex-wrap:wrap; gap:8px; margin-top:16px; }
@media (max-width:860px){
  .process-grid{ grid-template-columns:1fr; }
}

/* ============ PROJECTS / FILTER ============ */
.projects{ background:var(--bg); }
.filters{
  display:flex; gap:10px; flex-wrap:wrap; margin-bottom:0;
}
.filter-btn{
  font-family:var(--f-mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase;
  padding:9px 16px; border:1px solid var(--line); color:var(--ink-dim);
  border-radius:20px; transition:all .3s var(--ease-soft);
}
.filter-btn:hover{ color:var(--ink); border-color:var(--ink-dim); }
.filter-btn.active{ background:var(--amber); color:#0b0a09; border-color:var(--amber); }

.project{
  padding-top:110px; border-top:1px solid var(--line);
  scroll-margin-top:90px;
}
.project:first-of-type{ padding-top:70px; border-top:none; }
.project-head{
  display:flex; justify-content:space-between; align-items:flex-start; gap:30px;
  margin-bottom:34px; flex-wrap:wrap;
}
.project-index{
  font-family:var(--f-mono); font-size:13px; color:var(--ink-faint);
}
.project-title{
  font-family:var(--f-display); font-size:clamp(32px,6vw,84px);
  text-transform:uppercase; line-height:.92; margin:8px 0 0;
}
.project-meta{ max-width:380px; }
.project-tagline{ color:var(--ink-dim); font-size:15px; line-height:1.65; margin:0 0 16px; }
.project-tags{ display:flex; gap:8px; flex-wrap:wrap; }

.gallery{
  display:flex; gap:14px; overflow-x:auto; scroll-snap-type:x proximity;
  padding-bottom:10px; margin:0 calc(var(--gutter) * -1);
  padding-left:var(--gutter); padding-right:var(--gutter);
  cursor:grab;
  scrollbar-width:thin; scrollbar-color:var(--line) transparent;
}
.gallery::-webkit-scrollbar{ height:4px; }
.gallery::-webkit-scrollbar-thumb{ background:var(--line); }
.gallery.dragging{ cursor:grabbing; scroll-snap-type:none; }
.gallery-item{
  position:relative; flex:0 0 auto; scroll-snap-align:start;
  width:min(72vw,340px); height:min(88vw,440px);
  overflow:hidden; background:var(--panel);
}
.gallery-item.wide{ width:min(84vw,560px); }
.gallery-item img{
  width:100%; height:100%; object-fit:cover;
  transition:transform .7s var(--ease);
}
.gallery-item:hover img{ transform:scale(1.06); }
.gallery-item .gi-overlay{
  position:absolute; inset:auto 0 0 0; padding:14px 16px;
  background:linear-gradient(180deg,transparent,rgba(0,0,0,.65));
  font-family:var(--f-mono); font-size:10px; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-dim);
  opacity:0; transform:translateY(8px);
  transition:opacity .35s var(--ease-soft), transform .35s var(--ease-soft);
}
.gallery-item:hover .gi-overlay{ opacity:1; transform:translateY(0); }

/* video project */
.project-video{
  position:relative; width:100%; max-width:520px;
  aspect-ratio:9/16; background:var(--panel); overflow:hidden;
}
.project-video video{ width:100%; height:100%; object-fit:cover; }
.video-play{
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  background:rgba(11,10,9,.25); transition:opacity .3s;
}
.video-play svg{ width:56px; height:56px; }
.video-play.hidden{ opacity:0; pointer-events:none; }

/* in-development list */
.dev-list{
  border-top:1px solid var(--line); padding-top:60px; margin-top:110px;
}
.dev-item{
  display:flex; justify-content:space-between; gap:30px; flex-wrap:wrap;
  padding:26px 0; border-bottom:1px solid var(--line-soft);
  align-items:baseline;
}
.dev-item h4{
  font-family:var(--f-display); font-size:clamp(22px,3.4vw,34px); text-transform:uppercase; margin:0;
}
.dev-item p{ color:var(--ink-dim); font-size:14px; max-width:420px; margin:0; }
.dev-status{ font-family:var(--f-mono); font-size:11px; color:var(--amber); text-transform:uppercase; letter-spacing:.08em; }

/* ============ SKILLS ============ */
.skills{ background:var(--bg-alt); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.skills-grid{
  display:grid; grid-template-columns:repeat(2,1fr); gap:1px;
  background:var(--line); border:1px solid var(--line);
}
.skill-item{
  background:var(--bg-alt); padding:30px 32px;
  display:flex; align-items:center; justify-content:space-between; gap:20px;
}
.skill-item span:first-child{
  font-family:var(--f-display); font-size:clamp(18px,2.2vw,26px); text-transform:uppercase;
}
.skill-item span:last-child{ font-family:var(--f-mono); font-size:11px; color:var(--ink-faint); }
@media (max-width:760px){ .skills-grid{ grid-template-columns:1fr; } }

.pricing{ margin-top:70px; }
.pricing-row{
  display:flex; justify-content:space-between; align-items:baseline;
  padding:18px 0; border-top:1px solid var(--line-soft);
  gap:20px; flex-wrap:wrap;
}
.pricing-row:last-child{ border-bottom:1px solid var(--line-soft); }
.pricing-name{ font-size:15px; color:var(--ink); }
.pricing-price{ font-family:var(--f-mono); font-size:14px; color:var(--amber); }

/* ============ CONTACT ============ */
.contact{ background:var(--bg); text-align:center; padding-top:140px; padding-bottom:100px; }
.contact-title{
  font-family:var(--f-display); font-size:clamp(40px,9vw,120px);
  text-transform:uppercase; line-height:.92; margin:18px 0 40px;
}
.contact-links{
  display:flex; justify-content:center; gap:40px; flex-wrap:wrap;
  margin-bottom:60px;
}
.contact-link{
  font-family:var(--f-mono); font-size:14px; letter-spacing:.06em;
  border-bottom:1px solid var(--line); padding-bottom:6px;
  transition:border-color .3s, color .3s;
}
.contact-link:hover{ border-color:var(--amber); color:var(--amber); }
.contact-cta{
  display:inline-flex; align-items:center; gap:14px;
  font-family:var(--f-mono); font-size:12px; letter-spacing:.1em; text-transform:uppercase;
  color:var(--ink-dim);
}

/* ============ FOOTER ============ */
footer{
  border-top:1px solid var(--line);
  padding:34px var(--gutter);
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:14px;
}
.footer-mark{ font-size:18px; font-family:var(--f-body); font-weight:700; display:flex; align-items:center; gap:8px; }
.footer-mark .mark{ height:17px; width:auto; }
footer nav{ display:flex; gap:24px; }
footer nav a{ font-family:var(--f-mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-dim); }
footer nav a:hover{ color:var(--ink); }
.footer-copy{ font-family:var(--f-mono); font-size:11px; color:var(--ink-faint); }

/* ============ LIGHTBOX ============ */
.lightbox{
  position:fixed; inset:0; z-index:2000; background:rgba(11,10,9,.96);
  display:flex; align-items:center; justify-content:center;
  opacity:0; pointer-events:none; transition:opacity .35s var(--ease-soft);
  padding:40px;
}
.lightbox.open{ opacity:1; pointer-events:auto; }
.lightbox img{ max-width:92vw; max-height:86vh; object-fit:contain; }
.lightbox-close{
  position:absolute; top:24px; right:var(--gutter);
  font-family:var(--f-mono); font-size:12px; letter-spacing:.1em; text-transform:uppercase;
  color:var(--ink-dim);
}
.lightbox-close:hover{ color:var(--ink); }
.lightbox-nav{
  position:absolute; top:50%; transform:translateY(-50%);
  font-family:var(--f-mono); font-size:22px; color:var(--ink-dim); padding:10px 16px;
}
.lightbox-nav:hover{ color:var(--ink); }
.lightbox-prev{ left:var(--gutter); }
.lightbox-next{ right:var(--gutter); }

/* ============ MOBILE NAV DRAWER ============ */
@media (max-width:760px){
  .nav-toggle{
    display:flex; flex-direction:column; gap:5px; width:26px; z-index:600;
  }
  .nav-toggle span{ height:1px; background:var(--ink); display:block; }
  .nav-drawer{
    position:fixed; inset:0; background:var(--bg); z-index:400;
    display:flex; flex-direction:column; justify-content:center; gap:30px; padding:0 var(--gutter);
    transform:translateY(-100%); transition:transform .55s var(--ease);
  }
  .nav-drawer.open{ transform:translateY(0); }
  .nav-drawer a{
    font-family:var(--f-display); font-size:38px; text-transform:uppercase;
  }
}

/* ============ RESPONSIVE TUNING ============ */
@media (max-width:600px){
  section{ padding:80px 0; }
  .hero-sub{ flex-direction:column; align-items:flex-start; gap:16px; }
  .project-head{ flex-direction:column; }
  .contact-links{ gap:20px; flex-direction:column; }
}

/* ============ REDUCED MOTION ============ */
@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
  .hero-bg img{ opacity:1 !important; animation:none !important; }
  .hero-bg img:not(:first-child){ display:none; }
}