/* ---------------------------------------------------
   Martin Wojtunik — martylovesfilm.com
   Dark cinematic, single-page portfolio
--------------------------------------------------- */

:root{
  --bg: #0a0a0a;
  --bg-elev: #131313;
  --fg: #f4f3ef;
  --fg-dim: #9a9a95;
  --accent: #d94f30;
  --border: rgba(244,243,239,0.1);
  --wrap: 1280px;
  --gap: 24px;
  --radius: 4px;
  --ease: cubic-bezier(.22,.61,.36,1);
  --font-display: "Neue Haas Grotesk Display", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

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

img, video{ max-width:100%; display:block; }

a{ color: inherit; text-decoration: none; }

h1,h2,h3{
  font-family: var(--font-display);
  font-weight: 600;
  margin: 0 0 .4em;
  letter-spacing: -0.02em;
}

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

.skip-link{
  position:absolute; left:-999px; top:0;
  background: var(--fg); color: var(--bg);
  padding: 12px 18px; z-index: 200;
}
.skip-link:focus{ left: 16px; top: 16px; }

/* ---------- Header ---------- */
.site-header{
  position: fixed; top:0; left:0; right:0; z-index: 100;
  background: linear-gradient(to bottom, rgba(10,10,10,.85), rgba(10,10,10,0));
  backdrop-filter: blur(6px);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  height: 76px;
}
.logo{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.site-nav{ display:flex; gap: 32px; }
.site-nav a{
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--fg-dim);
  transition: color .2s var(--ease);
}
.site-nav a:hover, .site-nav a:focus-visible{ color: var(--fg); }
.site-nav a.is-active{ color: var(--accent); }

.nav-toggle{
  display:none;
  width: 40px; height: 40px;
  background: none; border: 0; cursor: pointer;
  flex-direction: column; justify-content: center; gap: 5px;
}
.nav-toggle span{
  display:block; width: 22px; height: 2px; background: var(--fg);
  transition: transform .25s var(--ease), opacity .25s var(--ease);
}

/* ---------- Fixed background video (Oyster) ----------
   Pinned behind the entire page for the whole scroll,
   always playing. Sections paint solid over it; the
   .bg-peek gaps between sections let it show through. */
.site-bg{
  position: fixed; inset: 0; z-index: 0;
  background: #050505;
}
.site-bg-video{
  width:100%; height:100%; object-fit: cover;
  opacity: 0; transition: opacity 1.2s var(--ease);
}
.site-bg-video.is-ready{ opacity: .85; }
.site-bg-scrim{
  position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(0,0,0,.2) 0%, rgba(0,0,0,.05) 40%, rgba(10,10,10,.4) 100%);
}

/* ---------- Hero ---------- */
.hero{
  position: relative; z-index: 1;
  min-height: 100vh;
  display:flex; align-items:flex-end;
  overflow: hidden;
}
.hero-scrim{
  position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(0,0,0,.1) 0%, rgba(0,0,0,.1) 40%, rgba(10,10,10,.95) 100%);
}
.hero-content{
  position: relative; z-index: 2;
  padding-bottom: 96px;
}
.eyebrow{
  text-transform: uppercase; letter-spacing: .12em; font-size: .8rem;
  color: var(--fg-dim); margin: 0 0 12px;
}
.hero h1{
  font-size: clamp(2.6rem, 8vw, 6rem);
  line-height: .95;
  margin: 0 0 18px;
}
.hero-sub{
  max-width: 44ch;
  color: var(--fg-dim);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  margin: 0 0 32px;
}
.btn{
  display:inline-block;
  border: 1px solid var(--fg);
  padding: 14px 28px;
  font-size: .85rem;
  text-transform: uppercase; letter-spacing: .08em;
  transition: background .25s var(--ease), color .25s var(--ease);
}
.btn:hover, .btn:focus-visible{ background: var(--fg); color: var(--bg); }

.scroll-cue{
  position: absolute; right: 32px; bottom: 32px; z-index:2;
  width: 1px; height: 56px; background: var(--border);
  overflow: hidden;
}
.scroll-cue span{
  position:absolute; top:-56px; left:0; width:100%; height:100%;
  background: var(--fg);
  animation: scrollcue 2.2s ease-in-out infinite;
}
@keyframes scrollcue{
  0%{ transform: translateY(0); }
  100%{ transform: translateY(112px); }
}

/* ---------- Background peek gaps ----------
   Transparent spacers between sections/sub-headings that
   let the fixed Oyster background show through as you
   scroll past. Fades to each neighbour's solid colour so
   the transition feels intentional, not abrupt. */
.bg-peek{
  position: relative; z-index: 1;
  height: 34vh;
  background: linear-gradient(
    to bottom,
    var(--bg) 0%, transparent 18%,
    transparent 82%, var(--bg) 100%
  );
}
.bg-peek--sm{ height: 24vh; }

@media (max-width: 640px){
  .bg-peek{ height: 22vh; }
  .bg-peek--sm{ height: 16vh; }
}

/* ---------- Sections ---------- */
.section{
  position: relative; z-index: 1;
  background: var(--bg);
  padding: 120px 0;
  border-top: 1px solid var(--border);
}
.section-feature{ padding-bottom: 80px; }
.section-title{
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  display:flex; align-items:baseline; gap: 16px;
}
.section-num{
  font-size: .9rem; color: var(--accent); font-weight: 500;
  font-family: var(--font-body);
}
.section-lede{
  color: var(--fg-dim); max-width: 60ch; font-size: 1.05rem; margin-bottom: 48px;
}

/* ---------- Work grid ---------- */
.work-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}
.work-grid--two{ grid-template-columns: repeat(2, 1fr); margin-top: var(--gap); }

.work-card{ position: relative; }
.work-media{
  position: relative;
  display:block;
  width:100%;
  aspect-ratio: 16/9;
  background: linear-gradient(110deg, #141414 8%, #1c1c1c 18%, #141414 33%);
  background-size: 200% 100%;
  animation: shimmer 1.6s linear infinite;
  border: 0; padding: 0; cursor: pointer;
  overflow: hidden;
  border-radius: var(--radius);
}
.work-media.is-loaded{ animation: none; background: #141414; }
@keyframes shimmer{
  0%{ background-position: 200% 0; }
  100%{ background-position: -200% 0; }
}
.work-media video{
  width:100%; height:100%; object-fit: cover;
  opacity: 0; transition: opacity .4s var(--ease);
}
.work-media video.is-ready{ opacity: 1; }
.work-media::after{
  content: "";
  position:absolute; inset:0;
  background: rgba(0,0,0,0);
  transition: background .25s var(--ease);
}
.work-media:hover::after, .work-media:focus-visible::after{ background: rgba(0,0,0,.1); }
.work-media .play-badge{
  position:absolute; right: 14px; bottom: 14px;
  font-size: .7rem; text-transform: uppercase; letter-spacing: .08em;
  padding: 6px 10px; border: 1px solid rgba(244,243,239,.4);
  background: rgba(10,10,10,.5);
  opacity: 0; transition: opacity .2s var(--ease);
}
.work-media:hover .play-badge{ opacity: 1; }

.work-title{
  margin-top: 14px;
  font-size: 1rem;
  font-weight: 500;
}
.work-title a{
  color: var(--fg-dim);
  transition: color .2s var(--ease);
}
.work-title a:hover, .work-title a:focus-visible{ color: var(--fg); }

/* ---------- Feature media (Reel / Table Top) ---------- */
.feature-media{
  width:100%;
  aspect-ratio: 21/9;
  background: linear-gradient(110deg, #141414 8%, #1c1c1c 18%, #141414 33%);
  background-size: 200% 100%;
  animation: shimmer 1.6s linear infinite;
  margin: 8px 0 48px;
}
.feature-media.is-loaded{ animation:none; background:#141414; }
.feature-media video{
  width:100%; height:100%; object-fit: cover;
  opacity: 0; transition: opacity .5s var(--ease);
}
.feature-media video.is-ready{ opacity:1; }

/* ---------- About (standalone page) ---------- */
.about-page{
  padding-top: 176px;
  border-top: 0;
  min-height: 100vh;
}
.about-photo-grid{
  display:grid;
  grid-template-columns: .85fr 1fr;
  gap: 64px;
  align-items: start;
}
.about-photo{
  position: relative;
  aspect-ratio: 2/3;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(150deg, #171717 0%, #0d0d0d 100%);
  display:flex; align-items:center; justify-content:center;
}
.about-photo img{
  width:100%; height:100%; object-fit: cover;
  object-position: center top;
}
.about-photo.is-placeholder img{ display:none; }
.about-photo.is-placeholder::after{
  content: "Portrait photo goes here";
  color: var(--fg-dim);
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  text-align: center;
  padding: 0 32px;
}
.about-copy .section-title{ margin-bottom: 20px; }
.about-lead{ font-size: 1.4rem; font-family: var(--font-display); }
.about-copy p{ color: var(--fg-dim); }
.about-copy .contact-card{ margin-top: 40px; }
.about-back{ margin-top: 40px; }

@media (max-width: 900px){
  .about-photo-grid{ grid-template-columns: 1fr; }
  .about-photo{ max-width: 420px; margin: 0 auto; }
}
@media (max-width: 640px){
  .about-page{ padding-top: 140px; }
}
.contact-card{
  border: 1px solid var(--border);
  padding: 32px;
  border-radius: var(--radius);
}
.contact-card h3{
  text-transform: uppercase; font-size: .8rem; letter-spacing: .1em;
  color: var(--fg-dim); margin-bottom: 20px;
}
.contact-card a{
  display:block; padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 1.05rem;
  transition: color .2s var(--ease);
}
.contact-card a:hover, .contact-card a:focus-visible{ color: var(--accent); }
.social-row{ display:flex; gap: 20px; margin-top: 20px; }
.social-row a{ border:0; padding:0; font-size:.85rem; color: var(--fg-dim); }
.social-row a:hover{ color: var(--fg); }

/* ---------- Project page (Selected Work detail) ---------- */
.project-hero{
  padding-top: 176px;
  border-top: 0;
  min-height: 100vh;
}
.back-link{
  display:inline-block;
  color: var(--fg-dim);
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 20px;
  transition: color .2s var(--ease);
}
.back-link:hover, .back-link:focus-visible{ color: var(--fg); }
.project-title{
  font-size: clamp(2rem, 5vw, 3.4rem);
}
.project-media{
  position: relative;
  width:100%;
  aspect-ratio: 16/9;
  background: #0d0d0d;
  margin: 24px 0 56px;
}
.project-media video{
  width:100%; height:100%; object-fit: cover;
}
.mute-toggle{
  position: absolute; right: 16px; bottom: 16px; z-index: 2;
  font-size: .75rem; text-transform: uppercase; letter-spacing: .08em;
  padding: 8px 14px;
  border: 1px solid rgba(244,243,239,.4);
  background: rgba(10,10,10,.55);
  color: var(--fg);
  cursor: pointer;
  transition: background .2s var(--ease), border-color .2s var(--ease);
}
.mute-toggle:hover, .mute-toggle:focus-visible{
  background: rgba(10,10,10,.8);
  border-color: var(--fg);
}
.credits-heading{
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--fg-dim);
  margin-bottom: 8px;
}
.credits-list{
  margin: 16px 0 0;
  border-top: 1px solid var(--border);
  max-width: 640px;
}
.credit-row{
  display:flex;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.credit-row dt{
  color: var(--fg-dim);
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.credit-row dd{
  margin: 0;
  font-size: 1rem;
  text-align: right;
}

@media (max-width: 640px){
  .project-hero{ padding-top: 140px; }
  .project-media{ aspect-ratio: 4/3; margin: 20px 0 40px; }
}

/* ---------- Footer ---------- */
.site-footer{
  position: relative; z-index: 1;
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 32px 0 64px;
}
.footer-inner{
  display:flex; justify-content:space-between; align-items:center;
  color: var(--fg-dim); font-size: .85rem;
}
.footer-inner a:hover{ color: var(--fg); }
.footer-links{ display:flex; gap: 28px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px){
  .about-grid{ grid-template-columns: 1fr; }
  .work-grid{ grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px){
  .wrap{ padding: 0 20px; }
  .work-grid, .work-grid--two{ grid-template-columns: 1fr; }
  .site-nav{
    position: fixed; inset: 76px 0 0 0;
    background: var(--bg);
    flex-direction: column;
    padding: 32px 20px;
    gap: 24px;
    transform: translateY(-8px);
    opacity: 0; pointer-events: none;
    transition: opacity .25s var(--ease), transform .25s var(--ease);
  }
  .site-nav.is-open{ opacity:1; pointer-events:auto; transform: translateY(0); }
  .site-nav a{ font-size: 1.1rem; }
  .nav-toggle{ display:flex; }
  .nav-toggle.is-open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2){ opacity:0; }
  .nav-toggle.is-open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }
  .section{ padding: 80px 0; }
  .feature-media{ aspect-ratio: 16/9; }
}