/* ============================================================
   Antiosov — minimalist monochrome portfolio
   ============================================================ */

:root {
  --bg: #0a0a0a;
  --bg-elev: #111111;
  --fg: #f4f4f0;
  --fg-dim: #888;
  --fg-fade: #444;
  --line: #1f1f1f;
  --accent: #00E0A4;     /* mint */
  --accent-ink: #0a0a0a;
  --invert-bg: #f4f4f0;
  --invert-fg: #0a0a0a;
  --invert-line: #d8d8d2;

  --font-display: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-body: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --pad-x: clamp(20px, 4vw, 64px);
  --pad-y: clamp(40px, 6vw, 96px);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body {
  cursor: none;
}

@media (max-width: 720px) {
  body { cursor: auto; }
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: none; }
@media (max-width: 720px) { button { cursor: pointer; } }

/* ============================================================
   Top bar
   ============================================================ */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px var(--pad-x);
  z-index: 50;
  pointer-events: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--fg-dim);
  mix-blend-mode: difference;
}
.topbar > * { pointer-events: auto; }
.topbar .brand { color: var(--fg); font-weight: 500; }
.topbar .brand b { color: var(--accent); }
.topbar .clock { display: flex; gap: 14px; align-items: center; }
.topbar .clock .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  min-height: 100vh;
  padding: 120px var(--pad-x) 60px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.hero-name {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--fg-dim);
  text-transform: uppercase;
  margin-bottom: 4vh;
}
.hero-name span { color: var(--fg); }

.hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(64px, 16vw, 280px);
  line-height: 0.86;
  letter-spacing: -0.045em;
  margin: 0;
  color: var(--fg);
  text-transform: uppercase;
}
.hero-title .row {
  display: block;
  position: relative;
  overflow: hidden;
  padding: 0;
}
.hero-title .row .word {
  display: inline-block;
  transform: translateY(120%);
  animation: rise 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}
.hero-title .row:nth-child(1) .word { animation-delay: 0.05s; }
.hero-title .row:nth-child(2) .word { animation-delay: 0.18s; }
.hero-title .row:nth-child(3) .word { animation-delay: 0.31s; }

@keyframes rise {
  to { transform: translateY(0); }
}

.hero-title .accent {
  color: var(--accent);
  font-style: italic;
  font-weight: 800;
}

.hero-foot {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: end;
  gap: 24px;
  margin-top: 6vh;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fg-dim);
}
.hero-foot .scroll {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}
.hero-foot .scroll .line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, var(--fg-dim));
  animation: drop 2s ease-in-out infinite;
}
@keyframes drop {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}
.hero-foot .end { text-align: right; }

@media (max-width: 720px) {
  .hero-foot { grid-template-columns: 1fr; }
  .hero-foot .end { text-align: left; }
  .hero-foot .scroll { display: none; }
  .hero { min-height: auto; padding-bottom: 40px; }
  .topbar { font-size: 10px; padding: 14px var(--pad-x); }
}

/* ============================================================
   Section base
   ============================================================ */
.section {
  padding: var(--pad-y) var(--pad-x);
  border-top: 1px solid var(--line);
  position: relative;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-dim);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
}
.section-tag::before {
  content: "";
  width: 8px; height: 8px;
  background: var(--accent);
  display: inline-block;
}

/* ============================================================
   Showreel
   ============================================================ */
.showreel {
  padding: 0 var(--pad-x) var(--pad-y);
  border-top: 1px solid var(--line);
  padding-top: var(--pad-y);
}
.showreel-frame {
  position: relative;
  width: 100%;
  max-height: 77vh;
  aspect-ratio: 16 / 9;
  background:
    repeating-linear-gradient(45deg,
      #141414 0 12px,
      #0e0e0e 12px 24px);
  border: 1px solid var(--line);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.showreel-frame .label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--fg-dim);
  text-transform: uppercase;
}
.showreel-frame .play {
  position: relative;
  width: clamp(80px, 14vw, 160px);
  height: clamp(80px, 14vw, 160px);
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  border: none;
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.showreel-frame .play::before {
  content: "";
  position: absolute;
  inset: -8px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  opacity: 0.4;
  animation: ring 2.4s ease-out infinite;
}
@keyframes ring {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.4); opacity: 0; }
}
.showreel-frame .play:hover { transform: scale(1.06); }

.showreel-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--fg-dim);
  text-transform: uppercase;
}

/* ============================================================
   About
   ============================================================ */
.about {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(0, 2.4fr);
  gap: clamp(32px, 4vw, 80px);
  align-items: start;
}
@media (max-width: 900px) {
  .about { grid-template-columns: 1fr; }
}
.about-left {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.about-left .avatar {
  width: 100%;
  max-width: 240px;
  aspect-ratio: 1 / 1;
  flex: 0 0 auto;
  align-self: center;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid var(--line);
  position: relative;
}
.about-left .avatar::after {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  border: 1px dashed color-mix(in oklch, var(--accent) 60%, transparent);
  pointer-events: none;
}
.about-left .avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(0.15) contrast(1.05);
  transition: filter 0.4s ease, transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.about-left .avatar:hover img {
  filter: grayscale(0) contrast(1);
  transform: scale(1.04);
}
.about-left .section-tag { margin-bottom: 0; }
.section--about .section-tag { margin-bottom: 0; }
.about-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fg-dim);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.about-meta .row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  border-bottom: 1px dashed var(--line);
  padding-bottom: 12px;
}
.about-meta .row span { flex-shrink: 0; }
.about-meta .row b { color: var(--fg); font-weight: 500; text-align: right; }

.about-text {
  font-size: clamp(20px, 2.4vw, 32px);
  line-height: 1.32;
  letter-spacing: -0.015em;
  color: var(--fg);
  font-weight: 400;
  text-wrap: pretty;
}
.about-text .hi {
  font-style: italic;
  font-weight: 500;
  color: var(--accent);
}
.about-text strong {
  font-weight: 600;
  color: var(--fg);
  background: linear-gradient(to top, color-mix(in oklch, var(--accent) 25%, transparent) 0 30%, transparent 30% 100%);
  padding: 0 2px;
}

.about-actions {
  display: flex;
  gap: 16px;
  margin-top: 40px;
  flex-wrap: wrap;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 18px 28px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--fg);
  position: relative;
  overflow: hidden;
  transition: color 0.3s ease;
  white-space: nowrap;
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: translateY(101%);
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
  z-index: 0;
}
.btn > * { position: relative; z-index: 1; }
.btn:hover { color: var(--accent-ink); border-color: var(--accent); }
.btn:hover::before { transform: translateY(0); }

.btn.primary {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}
.btn.primary::before { background: var(--fg); }
.btn.primary:hover { color: var(--bg); border-color: var(--fg); }

.btn .arrow {
  display: inline-block;
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.btn:hover .arrow { transform: translateX(6px); }

/* ============================================================
   Clients
   ============================================================ */
.clients {
  padding: var(--pad-y) 0;
  border-top: 1px solid var(--line);
  overflow: hidden;
}
.clients-tag {
  padding: 0 var(--pad-x);
  margin-bottom: 48px;
}
.marquee {
  display: flex;
  gap: 48px;
  white-space: nowrap;
  animation: scroll 60s linear infinite;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(22px, 3.5vw, 56px);
  letter-spacing: -0.03em;
  color: var(--fg);
  width: max-content;
}
.marquee.reverse { animation-direction: reverse; animation-duration: 75s; }
.marquee .dot {
  color: var(--accent);
  font-weight: 800;
  display: inline-block;
}
.marquee .item {
  display: inline-flex;
  align-items: center;
  gap: 48px;
}
@keyframes scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.clients-row {
  display: flex;
  width: max-content;
}

/* ============================================================
   Footer / contact
   ============================================================ */
.footer {
  padding: var(--pad-y) var(--pad-x);
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: end;
}
@media (max-width: 720px) {
  .footer { grid-template-columns: 1fr; }
}
.footer-cta {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(48px, 9vw, 140px);
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--fg);
  text-transform: uppercase;
  margin: 0;
}
.footer-cta .accent { color: var(--accent); font-style: italic; }
.footer-cta a {
  display: block;
  position: relative;
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.footer-cta a:hover { transform: translateX(20px); }
.footer-cta a:hover .accent { color: var(--fg); }

.footer-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fg-dim);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-meta b { color: var(--fg); font-weight: 500; }

/* ============================================================
   Custom cursor
   ============================================================ */
.cursor {
  position: fixed;
  top: 0; left: 0;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--accent);
  pointer-events: none;
  z-index: 1000;
  mix-blend-mode: difference;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, background 0.2s;
}
.cursor.hover {
  width: 56px; height: 56px;
  background: transparent;
  border: 1px solid var(--accent);
}
.cursor-ring {
  position: fixed;
  top: 0; left: 0;
  width: 32px; height: 32px;
  border: 1px solid var(--fg-dim);
  border-radius: 50%;
  pointer-events: none;
  z-index: 999;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
}

@media (max-width: 720px) {
  .cursor, .cursor-ring { display: none; }
}

/* ============================================================
   Portfolio page
   ============================================================ */
.portfolio-hero {
  min-height: 70vh;
  padding: 160px var(--pad-x) 80px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.portfolio-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(56px, 13vw, 220px);
  line-height: 0.86;
  letter-spacing: -0.045em;
  margin: 0;
  text-transform: uppercase;
}
.portfolio-hero .sub {
  font-size: clamp(20px, 2.2vw, 28px);
  max-width: 560px;
  margin-top: 32px;
  line-height: 1.35;
  color: var(--fg);
  text-wrap: pretty;
}
.portfolio-hero .sub em {
  font-style: italic;
  color: var(--accent);
}

.case {
  padding: clamp(80px, 12vw, 200px) var(--pad-x);
  border-bottom: 1px solid var(--line);
  position: relative;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
  min-height: 90vh;
}

.case .num {
  grid-column: 1 / 3;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--fg-dim);
  text-transform: uppercase;
  position: sticky;
  top: 100px;
  align-self: start;
}
.case .num b { display: block; color: var(--accent); font-size: 14px; margin-bottom: 6px; }

.case .body {
  grid-column: 3 / 8;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.case .body h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(36px, 5.5vw, 88px);
  line-height: 0.95;
  letter-spacing: -0.035em;
  margin: 0;
  text-transform: uppercase;
}
.case .body h2 .accent { color: var(--accent); font-style: italic; }
.case .body p {
  font-size: clamp(16px, 1.4vw, 20px);
  line-height: 1.5;
  color: var(--fg);
  margin: 0;
  max-width: 480px;
  text-wrap: pretty;
}
.case .body .meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--fg-dim);
  text-transform: uppercase;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 8px;
}
.case .body .meta span { border: 1px solid var(--line); padding: 6px 10px; }

.case .visual {
  grid-column: 8 / 13;
  position: relative;
  min-height: 60vh;
}

.case .visual .layer {
  position: absolute;
  background:
    repeating-linear-gradient(45deg,
      #1a1a1a 0 16px,
      #131313 16px 32px);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--fg-dim);
  text-transform: uppercase;
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.case .visual .layer.l1 {
  top: 0; left: 0;
  width: 75%; height: 60%;
  z-index: 2;
}
.case .visual .layer.l2 {
  bottom: 0; right: 0;
  width: 65%; height: 55%;
  z-index: 3;
  background:
    repeating-linear-gradient(-45deg,
      #1f1f1f 0 14px,
      #161616 14px 28px);
}
.case .visual .layer.l3 {
  top: 30%; right: 8%;
  width: 22%; height: 22%;
  z-index: 4;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
}

.case:hover .visual .layer.l1 { transform: translate(-12px, -8px); }
.case:hover .visual .layer.l2 { transform: translate(8px, 12px); }
.case:hover .visual .layer.l3 { transform: translate(-4px, -16px) rotate(-4deg); }

/* alternate layout */
.case.flip .num { grid-column: 11 / 13; text-align: right; }
.case.flip .body { grid-column: 6 / 11; order: 2; }
.case.flip .visual { grid-column: 1 / 6; order: 1; }
.case.flip .visual .layer.l1 { left: auto; right: 0; }
.case.flip .visual .layer.l2 { right: auto; left: 0; }
.case.flip .visual .layer.l3 { right: auto; left: 8%; }

/* case-specific offsets */
.case[data-screen-label="case-01"] .visual .layer.l1 { left: 37.5%; }
.case[data-screen-label="case-01"] .visual .layer.l2 { right: 32.5%; }
.case[data-screen-label="case-01"] .visual .layer.l3 { right: 22%; }
.case[data-screen-label="case-09"] .visual .layer.l1 { left: 37.5%; }
.case[data-screen-label="case-09"] .visual .layer.l2 { right: 32.5%; }

/* light variant */
.case.light {
  background: var(--invert-bg);
  color: var(--invert-fg);
  border-color: var(--invert-line);
}
.case.light .num { color: #777; }
.case.light .num b { color: #c44a14; }
.case.light .body h2 { color: var(--invert-fg); }
.case.light .body h2 .accent { color: #c44a14; }
.case.light .body p { color: #2a2a2a; }
.case.light .body .meta { color: #777; }
.case.light .body .meta span { border-color: var(--invert-line); }
.case.light .visual .layer {
  border-color: var(--invert-line);
  color: #777;
  background:
    repeating-linear-gradient(45deg,
      #ebebe5 0 16px,
      #f4f4f0 16px 32px);
}
.case.light .visual .layer.l2 {
  background:
    repeating-linear-gradient(-45deg,
      #e0e0d8 0 14px,
      #ebebe5 14px 28px);
}
.case.light .visual .layer.l3 {
  background: var(--invert-fg);
  color: var(--invert-bg);
}

@media (max-width: 900px) {
  .case, .case.flip {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .case .num, .case.flip .num,
  .case .body, .case.flip .body,
  .case .visual, .case.flip .visual {
    grid-column: 1 / -1;
    position: static;
    text-align: left;
  }
  .case .num, .case.flip .num { order: 0; }
  .case .body, .case.flip .body { order: 1; }
  .case .visual, .case.flip .visual {
    order: 2;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 0;
    padding: 0 0 4px;
  }
  .case .visual, .case.flip .visual {
    overflow: hidden;
  }
  /* сброс всех десктопных смещений слоёв — используем !important чтобы перебить любую специфичность */
  .case .visual .layer,
  .case.flip .visual .layer,
  .case.flip .visual .layer.l1,
  .case.flip .visual .layer.l2 {
    position: relative !important;
    top: auto !important; left: auto !important;
    right: auto !important; bottom: auto !important;
    width: 100% !important;
    transform: none !important;
  }
  .case .visual .layer.l1,
  .case.flip .visual .layer.l1 { height: 220px !important; }
  .case .visual .layer.l2,
  .case.flip .visual .layer.l2 { height: 180px !important; }
  .case .visual .layer.l3,
  .case.flip .visual .layer.l3 { display: none !important; }
  /* скрываем второй кадр case-01 и первый кадр case-05 */
  .case[data-screen-label="case-01"] .visual .layer.l2,
  .case[data-screen-label="case-05"] .visual .layer.l1 { display: none !important; }
  /* case-04 l2 — портретное фото, нужна бо́льшая высота */
  .case[data-screen-label="case-04"] .visual .layer.l2 { height: 300px !important; }
}

/* ============================================================
   Back link
   ============================================================ */
.back-link {
  position: fixed;
  top: 18px;
  left: var(--pad-x);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg);
  z-index: 60;
  display: flex;
  align-items: center;
  gap: 10px;
  mix-blend-mode: difference;
}
.back-link:hover { color: var(--accent); }

/* ============================================================
   Reveal animations on scroll
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   Selection
   ============================================================ */
::selection {
  background: var(--accent);
  color: var(--accent-ink);
}

/* ============================================================
   Portfolio CTA block
   ============================================================ */
.portfolio-cta-block {
  max-width: 680px;
  margin: 0 auto;
  padding: 80px 40px;
  text-align: center;
  border-top: 1px solid var(--line);
}
.portfolio-cta-block p {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--fg-dim);
  line-height: 1.6;
  margin: 0 0 32px;
}
.cta-btn {
  display: inline-block;
  padding: 14px 28px;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
  transition: background 0.2s, color 0.2s;
}
.cta-btn:hover {
  background: var(--accent);
  color: var(--accent-ink);
}