*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0e0e12;
  --text: #ffffff;
  --text-muted: rgba(255,255,255,0.45);
  --card-bg: #17171e;
  --card-radius: 18px;
  --card-border: rgba(255,255,255,0.06);
  --tag-bg: rgba(0,0,0,0.4);
  --tag-color: rgba(255,255,255,0.55);
  --header-bg: rgba(14,14,18,0.88);
  --header-border: rgba(255,255,255,0.06);
  --nav-color: rgba(255,255,255,0.55);
  --nav-active: #ffffff;
  --header-h: 64px;
  --skeleton-shine: rgba(255,255,255,0.04);
}

/* Явное переключение темой через data-theme */
[data-theme="light"] {
  --skeleton-shine: rgba(0,0,0,0.04);
  --bg: #f5f4f0;
  --text: #0e0e12;
  --text-muted: rgba(14,14,18,0.5);
  --card-bg: #ffffff;
  --card-border: rgba(0,0,0,0.07);
  --tag-bg: rgba(0,0,0,0.06);
  --tag-color: rgba(14,14,18,0.55);
  --header-bg: rgba(245,244,240,0.88);
  --header-border: rgba(0,0,0,0.08);
  --nav-color: rgba(14,14,18,0.5);
  --nav-active: #0e0e12;
}

[data-theme="dark"] {
  --bg: #0e0e12;
  --text: #ffffff;
  --text-muted: rgba(255,255,255,0.45);
  --card-bg: #17171e;
  --card-border: rgba(255,255,255,0.06);
  --tag-bg: rgba(0,0,0,0.4);
  --tag-color: rgba(255,255,255,0.55);
  --header-bg: rgba(14,14,18,0.88);
  --header-border: rgba(255,255,255,0.06);
  --nav-color: rgba(255,255,255,0.55);
  --nav-active: #ffffff;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --skeleton-shine: rgba(0,0,0,0.04);
    --bg: #f5f4f0;
    --text: #0e0e12;
    --text-muted: rgba(14,14,18,0.5);
    --card-bg: #ffffff;
    --card-border: rgba(0,0,0,0.07);
    --tag-bg: rgba(0,0,0,0.06);
    --tag-color: rgba(14,14,18,0.55);
    --header-bg: rgba(245,244,240,0.88);
    --header-border: rgba(0,0,0,0.08);
    --nav-color: rgba(14,14,18,0.5);
    --nav-active: #0e0e12;
  }
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  transition: background 0.3s ease, color 0.3s ease;
}

/* ── Scroll progress custom property ── */
@property --scroll-p {
  syntax: '<number>';
  inherits: true;
  initial-value: 0;
}

/* ── Header ── */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  background: transparent;
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  transition: background 0.4s ease, backdrop-filter 0.4s ease;
}

#header.scrolled {
  background: var(--header-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--header-border);
}

/* Header logo — driven by --scroll-p */
.header-logo {
  display: flex;
  align-items: center;
  min-width: 160px;
  opacity: 0; /* JS animates this */
  will-change: opacity, transform;
}

/* Hero logo — driven by --scroll-p */
.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  will-change: opacity, transform;
}



/* Nav */
nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-item {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 0.01em;
  padding: 6px 14px;
  border-radius: 100px;
  border: 1.5px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.nav-item:hover { color: var(--text); }

.nav-item.active {
  color: var(--nav-active);
  border-color: var(--nav-active);
  opacity: 0.7;
}

/* Header right icons */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 160px;
  justify-content: flex-end;
}

.icon-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  transition: color 0.2s;
}

.icon-btn:hover { color: var(--text); }

/* ── Hero ── */
.hero {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  padding: 0 48px;
  transition: height 0.48s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.32s ease,
              margin 0.48s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero.collapsed {
  height: 0;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
  margin: 0;
}



.logo {
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-svg {
  width: clamp(176px, 22.4vw, 288px);
  height: auto;
  display: block;
  color: var(--text);
  transition: color 0.3s ease;
}

.logo-svg {
  transition: filter 0.5s ease, color 0.3s ease;
}

.logo:hover .logo-svg {
  filter: drop-shadow(-4px 0 0 rgba(255,30,80,0.55))
          drop-shadow(4px  0 0 rgba(0,210,255,0.55));
}

.logo-svg-small {
  display: block;
  color: var(--text);
  transition: color 0.3s ease;
}

.logo-svg-small {
  height: 30px;
  width: auto;
}

/* ── Cards — 4 columns with stagger ── */
.cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  padding: 0 48px 100px;
  max-width: 1360px;
  margin: -160px auto 0;
  align-items: start;
  position: relative;
  z-index: 1;
}

.col {
  display: flex;
  flex-direction: column;
  gap: 18px;
  will-change: transform;
}

/* ── Search/tag filter: flatten into auto-grid ── */
.cards.is-searching {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: start;
}

.cards.is-searching .col {
  display: contents; /* col disappears, cards flow directly into grid */
}

@media (max-width: 900px) {
  .cards.is-searching { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 600px) {
  .cards.is-searching { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.card {
  border-radius: var(--card-radius);
  overflow: hidden;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  cursor: pointer;
  opacity: 0;
  transform: translateY(16px);
  transition: transform 0.28s ease, box-shadow 0.28s ease,
              opacity 0.4s ease, translate 0.4s ease;
}

.card.in-view {
  opacity: 1;
  transform: translateY(0);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 48px rgba(0,0,0,0.2);
}

.card-media {
  position: relative;
  overflow: hidden;
  display: block;
}

.card-media img {
  width: 100%;
  display: block;
  transition: transform 0.45s ease;
}

.card:hover .card-media img {
  transform: scale(1.04);
}

.tag {
  position: absolute;
  z-index: 3;
  top: 12px;
  left: 12px;
  background: var(--tag-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--card-border);
  color: var(--tag-color);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 5px 11px;
  border-radius: 100px;
}

.teaser {
  padding: 16px 18px 18px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.teaser-text h3 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}

.teaser-text p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

.btn-open {
  display: inline-block;
  align-self: flex-start;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  border: 1px solid var(--header-border);
  padding: 5px 14px;
  border-radius: 100px;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.btn-open:hover {
  color: var(--text);
  border-color: var(--text-muted);
  background: rgba(128,128,128,0.08);
}

/* ── Responsive ── */
@media (max-width: 1100px) {
  .cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
/* ── Mobile nav ── */
.mobile-active-label {
  display: none;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  background: none;
  border: 1px solid var(--header-border);
  padding: 5px 14px;
  border-radius: 100px;
  cursor: pointer;
  letter-spacing: 0.02em;
  white-space: nowrap;
  will-change: opacity;
}

.mobile-burger {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 6px;
  align-items: center;
  margin-left: auto;
}

/* ── Mobile overlay ── */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  -webkit-overflow-scrolling: touch;
  inset: 0;
  z-index: 200;
  background: var(--bg);
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 48px;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.mobile-menu-overlay.open {
  display: flex;
  opacity: 1;
}

.mobile-menu-items {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mobile-menu-item {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: clamp(36px, 12vw, 64px);
  font-weight: 600;
  letter-spacing: -0.02em;
  cursor: pointer;
  text-align: left;
  padding: 4px 0;
  transition: color 0.15s ease;
  line-height: 1.1;
}

.mobile-menu-item:hover,
.mobile-menu-item.active {
  color: var(--text);
}

.mobile-menu-close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
  padding: 8px;
}

@media (max-width: 768px) {
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 0 20px 60px; }
  #header {
    padding: 0 20px;
    position: fixed; /* keep fixed, use relative only for logo centering trick */
  }
  .hero { padding-top: var(--header-h); }
  .logo-hateful, .logo-five { font-size: 34px; }
  nav#main-nav { display: none; }
  .header-actions { display: none; }

  /* label: left */
  .mobile-active-label { display: flex; align-items: center; }

  /* logo: absolute center */
  .header-logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    min-width: auto;
    pointer-events: none;
  }

  /* burger: right via margin-left: auto */
  .mobile-burger { display: flex; }

  .header-logo-text { display: none; }
  .col { transform: none !important; }
}


/* ── Nav items as buttons ── */
.nav-item {
  background: none;
  cursor: pointer;
  font-family: inherit;
}

/* ── About view ── */
#about-view {
  min-height: calc(100vh - var(--header-h));
  padding: calc(var(--header-h) + 60px) 48px 80px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
  gap: 32px;
  max-width: 560px;
  margin: 0 auto;
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-align: left;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.75;
}

.about-text p:first-child {
  font-size: 13px;
  opacity: 0.5;
  letter-spacing: 0.02em;
}

.about-text a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--text-muted);
  transition: border-color 0.2s;
}

.about-text a:hover {
  border-color: var(--text);
}

/* ── Contact form ── */
.contact-form {
  width: 100%;
}

#cf-fields {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cf-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.cf-input {
  width: 100%;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 14px 16px;
  font-family: inherit;
  font-size: 14px;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
  resize: none;
}

.cf-input::placeholder { color: var(--text-muted); opacity: 0.4; }
.cf-input:focus { border-color: var(--card-border); }
.cf-input.is-invalid { border-color: #e05c5c; }

.cf-textarea { min-height: 120px; }

.cf-btn {
  position: relative;
  align-self: flex-end;
  background: var(--text);
  color: var(--bg);
  border: none;
  border-radius: 100px;
  padding: 12px 28px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.15s;
  overflow: hidden;
  min-width: 100px;
}

.cf-btn:hover { opacity: 0.85; }
.cf-btn:active { transform: scale(0.97); }
.cf-btn:disabled { opacity: 0.5; cursor: default; }

.cf-btn-sending,
.cf-btn-done { display: none; }

.cf-btn.is-sending .cf-btn-label { display: none; }
.cf-btn.is-sending .cf-btn-sending { display: inline; }

.cf-btn.is-done .cf-btn-label,
.cf-btn.is-done .cf-btn-sending { display: none; }
.cf-btn.is-done .cf-btn-done { display: inline; }

.cf-error {
  font-size: 13px;
  color: #e05c5c;
  min-height: 18px;
  margin: 0;
}

@media (max-width: 600px) {
  #about-view { align-items: stretch; padding: 100px 24px 60px; margin: 0 auto; }
  .cf-row { grid-template-columns: 1fr; }
  .cf-btn { align-self: stretch; }
}

/* ── Travel TOC ── */
.travel-toc {
  display: flex;
  flex-direction: row;
  border-left: 1px solid var(--header-border);
  overflow-y: auto;
  scrollbar-width: none;
  background: var(--bg);
  color: var(--text);
}
.travel-toc::-webkit-scrollbar { display: none; }

.toc-progress-track {
  width: 2px;
  background: var(--header-border);
  position: relative;
  flex-shrink: 0;
}

.toc-progress-bar {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 0%;
  background: var(--text);
  opacity: 0.6;
  transition: height 0.12s linear;
  border-radius: 0 0 2px 2px;
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding-top: 48px;
  flex: 1;
}

.toc-item button {
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 19px;
  line-height: 1.5;
  color: var(--text);
  padding: 6px 16px;
  text-align: left;
  width: 100%;
  transition: color 0.25s, opacity 0.25s;
  opacity: 0.55;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.toc-item button::before {
  content: '¶';
  font-size: 15px;
  flex-shrink: 0;
  color: #0af;
  opacity: 0.7;
  transition: opacity 0.25s;
}

.toc-item.toc-h1 button {
  font-size: 21px;
  font-weight: 500;
  opacity: 0.7;
}

.toc-item.toc-h1 button::before {
  content: '§';
  font-size: 16px;
  color: #f06;
}

.toc-item.toc-h2 button {
  padding-left: 24px;
}

.toc-item button:hover {
  color: var(--text);
  opacity: 0.75;
}

.toc-item button:hover::before,
.toc-item.is-active button::before {
  opacity: 1;
}

.toc-item.is-active button {
  color: var(--text);
  opacity: 1;
}

/* ── Theme toggle ── */
.theme-toggle .theme-icon { display: none; }
.theme-toggle .icon-system { display: block; } /* default */

[data-theme="light"] .theme-toggle .icon-system,
[data-theme="dark"]  .theme-toggle .icon-system { display: none; }
[data-theme="light"] .theme-toggle .icon-light  { display: block; }
[data-theme="dark"]  .theme-toggle .icon-dark   { display: block; }

/* ── View Transitions ── */

/* Фон html всегда непрозрачный — не мигает при переходе */
html {
  background: var(--bg);
}

/* Отключаем анимацию root полностью — браузер делает мгновенный свап */
::view-transition-old(root),
::view-transition-new(root) {
  animation: none;
  mix-blend-mode: normal;
}

/* Анимируем только основной контент */
main,
.photo-viewer,
.travel-layout,
.text-layout,
.case-layout {
  view-transition-name: page-content;
}

@keyframes vt-in  { from { opacity: 0; transform: translateY(6px); } }
@keyframes vt-out { to   { opacity: 0; transform: translateY(-4px); } }

::view-transition-old(page-content) {
  animation: vt-out 180ms cubic-bezier(0.4, 0, 1, 1) forwards;
}
::view-transition-new(page-content) {
  animation: vt-in  220ms cubic-bezier(0, 0, 0.2, 1) forwards;
}


/* ── No-JS form status ── */
.cf-nojs-status { margin-top: 12px; font-size: 14px; }
.cf-nojs-ok  { color: #4caf7d; }
.cf-nojs-err { color: #e05c5c; }

.cf-success-msg {
  font-size: 15px;
  color: #4caf7d;
  margin-bottom: 16px;
}
.cf-again-btn {
  background: none;
  border: 1px solid var(--muted);
  color: var(--text);
  border-radius: 20px;
  padding: 8px 20px;
  font-size: 13px;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.15s;
}
.cf-again-btn:hover { opacity: 1; }

/* ── No-JS anchor filter nav ── */
.nf-anchor { display: block; height: 0; visibility: hidden; }

.nf-nav {
  display: none; /* shown only via noscript */
}

/* Shown in noscript context (via noscript > style in Layout) */
/* styles moved to Layout noscript block */

/* ── CSS :target filtering (no-JS) ── */

/* photo filter */
html:has(#nf-photo:target) .card:not([data-type="photo"]),
html:has(#nf-photo:target) .device-frame-link { display: none !important; }

/* case filter */
html:has(#nf-case:target) .card:not([data-type="case"]),
html:has(#nf-case:target) .device-frame-link { display: none !important; }

/* text filter */
html:has(#nf-text:target) .card:not([data-type="text"]),
html:has(#nf-text:target) .device-frame-link { display: none !important; }

/* travel filter */
html:has(#nf-travel:target) .card:not([data-type="travel"]),
html:has(#nf-travel:target) .device-frame-link { display: none !important; }

/* about filter — show about, hide cards */
html:has(#nf-about:target) #cards { display: none !important; }
html:has(#nf-about:target) #about-view { display: flex !important; }

/* active state on nf-nav links */
html:has(#nf-photo:target)  .nf-btn[href="#nf-photo"],
html:has(#nf-case:target)   .nf-btn[href="#nf-case"],
html:has(#nf-text:target)   .nf-btn[href="#nf-text"],
html:has(#nf-travel:target) .nf-btn[href="#nf-travel"],
html:has(#nf-about:target)  .nf-btn[href="#nf-about"],
html:has(#nf-all:target)    .nf-btn[href="#nf-all"] {
  opacity: 1;
  border-color: currentColor;
}

/* ── Search ── */
.search-wrap {
  position: fixed;
  left: 50%;
  top: calc(var(--header-h) + 14px);
  transform: translateX(-50%) translateY(-8px);
  width: min(300px, 70vw);
  z-index: 50;
  display: flex;
  align-items: center;
  background: var(--header-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 0 14px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s, transform 0.18s;
}

.search-wrap.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.search-input {
  width: 100%;
  background: none;
  border: none;
  padding: 8px 0;
  font-family: inherit;
  font-size: 14px;
  color: var(--text);
  outline: none;
  -webkit-appearance: none;
}

.search-input::placeholder { color: var(--text-muted); opacity: 0.5; }
.search-input::-webkit-search-cancel-button { display: none; }

.search-count {
  position: absolute;
  right: 14px;
  font-size: 11px;
  color: var(--text-muted);
  opacity: 0.5;
  white-space: nowrap;
  pointer-events: none;
}

.card.is-hidden-search,
.device-frame-link.is-hidden-search { display: none !important; }