/* ---------- Reset & base ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: #0a0a0a;
  color: #f5f5f7;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Keyboard focus visibility */
a:focus-visible,
.copy-btn:focus-visible {
  outline: 2px solid #f5f5f7;
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- Intro video (scroll-scrubbed) ---------- */
.video-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  /* Landscape desktop clip: fill the viewport (cover) so it reads full-screen.
     Mobile keeps its own cover rule below. */
  object-fit: cover;
  object-position: center;
  background: #0a0a0a;
  z-index: 0;
}

/* Scroll length that drives the video scrub */
#container {
  height: 500vh;
  position: relative;
}

/* Mobile: shorter scroll span so the scrubbed video plays faster per scroll */
@media (max-width: 800px) {
  #container {
    height: 300vh;
  }
}

/* Dark stage: fades in over the video's last frame so the white "disappears".
   Sits above the video, below the portfolio content and header.
   It also carries the fixed portrait backdrop (drukarov-style): the subject sits
   on the right against the dark studio background, which blends into #0a0a0a; a
   left-to-right gradient keeps the content side dark and legible. Because the
   stage is fixed and spans the whole scroll, the same portrait sits behind every
   section (intro, about, work, contact). */
.stage-dark {
  position: fixed;
  inset: 0;
  background-color: #0a0a0a;
  background-image:
    linear-gradient(90deg,
      #0a0a0a 0%,
      rgba(10, 10, 10, 0.99) 60%,
      rgba(10, 10, 10, 0.84) 74%,
      rgba(10, 10, 10, 0.58) 88%,
      rgba(10, 10, 10, 0.48) 100%),
    url("public/portrait.jpg");
  background-repeat: no-repeat, no-repeat;
  /* Portrait is cropped to the subject and anchored to the far right so the face
     shows from around the WORK nav column; the left ~60% stays solid dark and a
     residual overlay keeps the subject dark-toned. */
  background-size: cover, auto 112%;
  background-position: center, right center;
  z-index: 1;
  opacity: 0;
  pointer-events: none;
}

/* ---------- Hero signature (subtle cursive mark shown on load) ---------- */
.hero-signature {
  position: fixed;
  top: clamp(3rem, 8vh, 5.5rem);
  left: 50%;
  transform: translateX(-50%);
  z-index: 25;
  display: flex;
  align-items: flex-start;
  gap: 0.14em;
  font-family: "Sacramento", cursive;
  font-weight: 400;
  font-size: clamp(4rem, 9vw, 7.5rem);
  line-height: 1;
  letter-spacing: 0.01em;
  color: rgba(245, 245, 247, 0.9);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
  pointer-events: none;
  user-select: none;
}
/* Each word is its own clip mask; the inner slides down behind it (word by
   word) as you scroll, then back up in reverse. Generous vertical padding
   gives the script's ascenders/descenders (g, y) room so they aren't cropped. */
.sig-word {
  display: block;
  overflow: hidden;
  padding: 0.16em 0.06em 0.36em;
}
.sig-word-inner {
  display: block;
  line-height: 1;
}

/* ---------- Intro hero (black section shown after the video completes) ---------- */
.intro {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: clamp(6rem, 14vh, 10rem) 0 clamp(3rem, 8vh, 5rem);
  /* Transparent so the fixed portrait backdrop shows through the hero. */
  background: transparent;
}
/* Match the About section's left alignment. */
.intro .section-inner {
  width: 100%;
}
.hero-heading {
  margin: 0;
  display: flex;
  flex-direction: column;
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-size: clamp(2.4rem, 6.2vw, 5.5rem);
}
/* Each line is a clip mask; the inner span slides up from behind it. */
.hero-line {
  display: block;
  overflow: hidden;
  padding-bottom: 0.12em;
  margin-bottom: -0.12em;
}
.hero-line-inner {
  display: block;
  will-change: transform;
  /* Initial hidden state (yPercent 110) is set by GSAP in script.js, which
     then solely controls this transform for the pinned scroll-scrub reveal. */
}
/* The reveal itself is driven by GSAP (pinned + scroll-scrubbed) in script.js,
   so the lines rise line-by-line as you scroll and re-hide on scroll back. */
@media (prefers-reduced-motion: reduce) {
  .hero-line-inner { transform: none; }
}
.hero-strong { color: #fff; }
.hero-muted { color: #9a9aa0; }

/* ---------- Fixed header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: clamp(1.3rem, 2.4vw, 2.1rem) clamp(1.5rem, 4vw, 3.2rem);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  pointer-events: none;
  transition: opacity 0.5s ease, transform 0.5s ease, visibility 0.5s ease;
}
.site-header.visible {
  opacity: 1;
  visibility: visible;
  transform: none;
  pointer-events: auto;
}

.brand {
  font-weight: 800;
  font-size: clamp(1rem, 1.4vw, 1.25rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: #f5f5f7;
  text-decoration: none;
}

.site-nav {
  display: flex;
  gap: clamp(1.4rem, 3vw, 3rem);
}
.site-nav a {
  position: relative;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  font-weight: 700;
  color: #8a8a90;
  text-decoration: none;
  padding-bottom: 4px;
  transition: color 0.25s ease;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: #f5f5f7;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.site-nav a:hover,
.site-nav a.active {
  color: #f5f5f7;
}
.site-nav a:hover::after,
.site-nav a.active::after {
  transform: scaleX(1);
}

/* ---------- Portfolio (scrolls up over the last frame) ---------- */
#portfolio {
  position: relative;
  z-index: 2;
  /* Transparent so the dark stage shows through; the About section is pulled
     up to sit in place, then it fades in (crossfade) over the last frame
     rather than wiping up over it. */
  background: transparent;
  margin-top: -100vh;
}

.section {
  padding: 9rem 0;
}

.section-inner {
  padding-left: clamp(1.5rem, 20vw, 22rem);
  padding-right: 6vw;
}

/* Small uppercase section label */
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.8rem;
  font-weight: 700;
  color: #6b6b70;
  margin-bottom: 2.5rem;
}

/* ---------- About ---------- */
.lead {
  font-weight: 700;
  font-size: clamp(1.8rem, 3.4vw, 3.1rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: #7c7c82;
  max-width: 17em;
  margin-bottom: 1.6rem;
}
.lead .hl { color: #ffffff; }

.about-body {
  margin-top: 3.5rem;
  max-width: 40em;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}
.about-body p {
  color: #86868b;
  font-size: clamp(1rem, 1.2vw, 1.15rem);
  line-height: 1.75;
}

.cv-link {
  display: inline-block;
  margin-top: 3rem;
  color: #fff;
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  border-bottom: 2px solid rgba(255, 255, 255, 0.35);
  padding-bottom: 4px;
  transition: border-color 0.25s ease;
}
.cv-link:hover { border-color: #fff; }

/* ---------- Work ---------- */
.work {
  position: relative;
}
/* Uploaded background image behind the work rows (both Selected Work and
   Experience panels), on mobile and laptop. Sits above the fixed portrait
   backdrop but below the content. */
.work::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: #000 url("/public/images/work-bg.avif") center / cover no-repeat;
}
.work .section-inner {
  position: relative;
  z-index: 1;
}

/* Work tabs: same animated underline as the header nav */
.work-tabs {
  display: flex;
  gap: clamp(1.6rem, 4vw, 3rem);
  margin-bottom: clamp(2rem, 4vw, 3.2rem);
}
.work-tab {
  position: relative;
  appearance: none;
  background: none;
  border: 0;
  padding: 0 0 6px;
  cursor: pointer;
  font-family: inherit;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: clamp(0.82rem, 1.3vw, 1rem);
  font-weight: 700;
  color: #6b6b70;
  transition: color 0.25s ease;
}
.work-tab::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: #f5f5f7;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.work-tab:hover,
.work-tab.active { color: #f5f5f7; }
.work-tab:hover::after,
.work-tab.active::after { transform: scaleX(1); }

.work-panel[hidden] { display: none; }

.work-list { list-style: none; }

.work-item {
  position: relative;
  padding: 2.6rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  transition: transform 0.35s ease;
  cursor: pointer;
  outline: none;
}
.work-item:last-child { border-bottom: 1px solid rgba(255, 255, 255, 0.12); }

/* Selected-work rows link out; the whole row is clickable (stretched link) */
.work-link {
  color: inherit;
  text-decoration: none;
  display: block;
  outline: none;
}
.work-link::after {
  content: "";
  position: absolute;
  inset: 0;
}
.work-item--static { cursor: default; }
.work-item:hover { transform: translateX(12px); }
.work-item:focus-visible { transform: translateX(12px); }

.work-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem 2rem;
  flex-wrap: wrap;
}
.work-meta {
  color: #6b6b70;
  font-size: clamp(0.8rem, 1vw, 0.95rem);
  font-weight: 600;
  letter-spacing: 0.03em;
  white-space: nowrap;
}
.work-title {
  display: block;
  font-weight: 800;
  font-size: 30px;
  line-height: 1;
  letter-spacing: -0.03em;
  color: #fff;
}
.work-sub {
  display: block;
  margin-top: 0.9rem;
  color: #9a9aa0;
  font-size: clamp(0.95rem, 1.2vw, 1.1rem);
}

/* Project details: revealed on hover / focus (smooth grid-rows expand) */
.work-details {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  margin-top: 0;
  transition: grid-template-rows 0.5s ease, opacity 0.4s ease, margin-top 0.4s ease;
}
.work-details-inner { overflow: hidden; }
.work-item:hover .work-details,
.work-item:focus-within .work-details,
.work-item:focus-visible .work-details {
  grid-template-rows: 1fr;
  opacity: 1;
  margin-top: 1.5rem;
}
.work-details ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  max-width: 46em;
}
.work-details li {
  position: relative;
  padding-left: 1.2rem;
  color: #9a9aa0;
  font-size: clamp(0.92rem, 1.1vw, 1.02rem);
  line-height: 1.6;
}
.work-details li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: #5a5a60;
}

/* ---------- Contact ---------- */
.contact { position: relative; }
/* Solid black background behind the contact rows (mobile + laptop). */
.contact::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: #000;
}
.contact .section-inner {
  position: relative;
  z-index: 1;
}

.contact-list {
  list-style: none;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  margin-top: 2.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-item a {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: #fff;
  font-weight: 600;
  font-size: clamp(1.05rem, 2vw, 1.4rem);
  letter-spacing: -0.01em;
  text-decoration: none;
  transition: opacity 0.25s ease;
}
.contact-item a:hover { opacity: 0.6; }

.contact-item svg {
  width: 1.35em;
  height: 1.35em;
  flex-shrink: 0;
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: #6b6b70;
  cursor: pointer;
  padding: 0.3rem;
  transition: color 0.2s ease;
}
.copy-btn:hover { color: #fff; }

.copied-msg {
  font-size: 0.85rem;
  color: #8a8a8a;
  opacity: 0;
  transition: opacity 0.2s ease;
}
.copied-msg.show { opacity: 1; }

/* ---------- Responsive ---------- */
@media (max-width: 800px) {
  .section { padding: 6rem 0; }

  /* Hide the header nav links on mobile (only the name shows, like drukarov.com). */
  .site-nav { display: none; }
  .section-inner { padding-left: 6vw; padding-right: 6vw; }
  .lead { max-width: none; }

  /* Show the hero the same way as on laptop: center the intro copy in the
     viewport (matching the base .intro) instead of anchoring it to the bottom. */
  .intro { align-items: center; }
  /* Sit the hero copy a little above center on mobile. */
  .intro .section-inner { transform: translateY(-6vh); }
  #about {
    padding-top: clamp(2rem, 5vh, 3rem);
    padding-bottom: clamp(1.25rem, 3vh, 2rem);
  }
  /* Match the tight hero->About gap between the About and Work (Selected Work)
     sections: same padding pairing (About bottom + Work top) as intro->About. */
  #work { padding-top: clamp(2rem, 5vh, 3rem); }

  /* Intro video on mobile: fill the entire screen (cover), cropping whatever
     overflows so it always reads full-screen with no dark bars. */
  .video-background {
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    min-width: 0;
    min-height: 0;
    transform: none;
    object-fit: cover;
    object-position: center;
    background: #0a0a0a;
  }

  /* Slightly smaller "Design by Shiva" signature on mobile, nudged a bit lower
     from the top. */
  /* Centered in the middle of the screen on mobile. */
  .hero-signature {
    font-size: clamp(2.25rem, 8vw, 3rem);
    top: 50%;
    transform: translate(-50%, -50%);
  }

  /* Tighter work rows on mobile: stack the title and meta so the meta no longer
     wraps onto its own line, and trim the vertical padding that left big gaps. */
  .work-item { padding: 1.4rem 0; }
  .work-item:hover { transform: none; }
  .work-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
  }
  .work-title { font-size: clamp(2rem, 4vw, 2.6rem); }
  .work-sub { margin-top: 0.5rem; }
  /* On narrow screens the content spans full width, so push the portrait to the
     top-right and deepen the overlay so text stays legible over it. */
  .stage-dark {
    background-image:
      linear-gradient(90deg,
        #0a0a0a 0%,
        rgba(10, 10, 10, 0.98) 45%,
        rgba(10, 10, 10, 0.82) 70%,
        rgba(10, 10, 10, 0.6) 100%),
      url("public/portrait.jpg");
    /* Zoomed so the face lands on the right (around the contact-nav side); the
       left stays solid dark so the full-width text remains legible. */
    background-size: cover, auto 140%;
    background-position: center, left center;
  }
}