/* =============================================================
   Лексора — Base, nav, shared components, utilities
   ============================================================= */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--lead-normal);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Lenis smooth scroll */
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }
.lenis.lenis-stopped { overflow: clip; }

img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; border: 0; background: transparent; }

::selection { background: var(--amber); color: var(--ink); }

:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
  border-radius: 2px;
}

/* =============================================================
   NAV
   Visible by default on all pages.
   On the home page (.page-home), hidden until user engages with
   the router — then revealed via body.nav-ready.
============================================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: clamp(16px, 2vw, 24px) var(--gutter);
  gap: 16px;
  background: transparent;
  transition: background var(--dur-base) var(--ease-out),
              backdrop-filter var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out),
              transform 700ms var(--ease-emphatic),
              opacity 500ms var(--ease-out);
}

/* Hide nav only when the user is on the home page AND hasn't engaged with the router yet */
.js body.page-home .nav {
  transform: translateY(-120%);
  opacity: 0;
  pointer-events: none;
}
.js body.page-home.nav-ready .nav {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

/* During intro, nothing else is visible */
.js body.intro-active .nav { display: none; }

.nav.is-scrolled {
  background: rgba(250, 247, 242, 0.82);
  backdrop-filter: blur(12px) saturate(1.2);
  -webkit-backdrop-filter: blur(12px) saturate(1.2);
  box-shadow: 0 1px 0 rgba(11,15,26,0.06);
}

.nav.on-dark {
  color: var(--navy-ink);
}
.nav.on-dark .nav__brand,
.nav.on-dark .nav__links a { color: var(--navy-ink); }
.nav.on-dark.is-scrolled {
  background: rgba(13, 27, 42, 0.72);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}

.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: clamp(16px, 1vw + 12px, 18px);
  font-weight: 600;
  letter-spacing: var(--track-snug);
  color: var(--ink);
}
.nav__icon { width: 28px; height: 28px; }

.nav__links {
  display: none;
  gap: clamp(18px, 2vw, 36px);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--ink-soft);
  letter-spacing: var(--track-wide);
}
.nav__links a { transition: color var(--dur-fast) var(--ease-out); }
.nav__links a:hover { color: var(--ink); }

@media (min-width: 880px) {
  .nav__links { display: inline-flex; }
  .nav__burger { display: none; }
}

/* ---------- Hamburger button (mobile only) ---------- */
.nav__burger {
  position: relative;
  width: 32px;
  height: 24px;
  padding: 0;
  margin-left: auto;
  z-index: 60;
}
.nav__burger-line {
  display: block;
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform var(--dur-base) var(--ease-emphatic),
              opacity var(--dur-fast) var(--ease-out);
}
.nav__burger-line:first-child { top: 6px; }
.nav__burger-line:last-child  { bottom: 6px; }

.nav__burger[aria-expanded="true"] .nav__burger-line:first-child {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}
.nav__burger[aria-expanded="true"] .nav__burger-line:last-child {
  bottom: auto;
  top: 50%;
  transform: translateY(-50%) rotate(-45deg);
}

/* ---------- Mobile drawer ---------- */
.drawer {
  position: fixed;
  inset: 0;
  z-index: 55;
  pointer-events: none;
}
.drawer.is-open { pointer-events: auto; }

.drawer__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(11, 15, 26, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-out);
}
.drawer.is-open .drawer__backdrop { opacity: 1; }

.drawer__panel {
  position: absolute;
  top: 0;
  right: 0;
  width: min(340px, 85vw);
  height: 100%;
  background: var(--paper);
  display: flex;
  flex-direction: column;
  padding: var(--gutter);
  transform: translateX(100%);
  transition: transform var(--dur-slow) var(--ease-emphatic);
  box-shadow: var(--shadow-xl);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.drawer.is-open .drawer__panel { transform: translateX(0); }

.drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid rgba(11, 15, 26, 0.08);
  margin-bottom: var(--space-md);
}

.drawer__close {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
  transition: color var(--dur-fast), background var(--dur-fast);
}
.drawer__close:hover {
  color: var(--ink);
  background: rgba(11, 15, 26, 0.05);
}

.drawer__links {
  display: flex;
  flex-direction: column;
  gap: 0;
  flex: 1;
}
.drawer__links a {
  display: block;
  padding: 14px 0;
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--ink);
  border-bottom: 1px solid rgba(11, 15, 26, 0.06);
  transition: color var(--dur-fast), padding-left var(--dur-base) var(--ease-emphatic);
}
.drawer__links a:hover {
  color: var(--amber-warm);
  padding-left: 8px;
}

.drawer__footer {
  margin-top: auto;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(11, 15, 26, 0.08);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.drawer__phone {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--ink);
}
.drawer__addr {
  font-size: var(--text-sm);
  color: var(--ink-soft);
}

.nav__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--track-wide);
  text-transform: uppercase;
  color: var(--ink);
  background: rgba(245, 184, 46, 0.14);
  border: 1px solid rgba(245, 184, 46, 0.38);
  border-radius: var(--radius-pill);
  white-space: nowrap;
}
.nav__badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--amber-warm);
  animation: pulse 2.4s var(--ease-in-out) infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.4; transform: scale(1.5); }
}

/* =============================================================
   BUTTONS
============================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 28px;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 500;
  letter-spacing: var(--track-wide);
  border-radius: var(--radius-pill);
  transition: transform var(--dur-fast) var(--ease-out),
              background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}
.btn:hover  { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--ink);
  color: var(--paper);
}
.btn--primary:hover {
  background: var(--amber-warm);
  color: var(--ink);
}

.btn--ghost {
  background: transparent;
  color: var(--ink);
  box-shadow: inset 0 0 0 1.5px var(--ink);
}
.btn--ghost:hover {
  box-shadow: inset 0 0 0 1.5px var(--amber-warm);
  color: var(--amber-deep);
}

.btn--large {
  padding: 22px 40px;
  font-size: var(--text-lg);
}

.btn--on-dark {
  background: var(--paper);
  color: var(--ink);
}
.btn--on-dark:hover {
  background: var(--amber);
  color: var(--ink);
}

/* =============================================================
   SECTION SHARED
============================================================= */
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--track-uppercase);
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: clamp(20px, 2.5vw, 32px);
}
.section-eyebrow::before {
  content: '';
  width: 28px; height: 1px;
  background: var(--ink-faint);
}
.section-eyebrow--light { color: var(--navy-ink-soft); }
.section-eyebrow--light::before { background: var(--navy-ink-faint); }
.section-eyebrow--amber { color: var(--amber-deep); }
.section-eyebrow--amber::before { background: var(--amber-warm); }

.section-head {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-4xl);
  line-height: 1.02;
  letter-spacing: var(--track-snug);
  color: var(--ink);
  max-width: 20ch;
}
.section-head em {
  font-style: normal;
  color: var(--amber-warm);
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}
.container--wide { max-width: var(--container-wide); }


/* =============================================================
   REVEAL utility (driven by JS ScrollTrigger)
   Only hidden when .js class is present — progressive enhancement
============================================================= */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 900ms var(--ease-out),
              transform 900ms var(--ease-out);
}
.js [data-reveal].will-animate {
  will-change: opacity, transform;
}
.js [data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
  will-change: auto;
}

/* =============================================================
   STUB PAGES
============================================================= */
.stub {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  align-content: center;
  text-align: center;
  gap: 18px;
  padding: calc(var(--gutter) * 2);
}
.stub h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-3xl);
  letter-spacing: var(--track-snug);
  color: var(--ink);
}
.stub p { color: var(--ink-soft); max-width: 48ch; }
.stub a {
  color: var(--teal-deep);
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}

/* Skip link for keyboard/screen reader users */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--gutter);
  z-index: 200;
  padding: 12px 20px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  transition: top var(--dur-fast) var(--ease-out);
}
.skip-link:focus {
  top: 0;
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

/* Visually hidden */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* =============================================================
   INTRO — full-screen cinematic greeting (first visit / 12h)
   Theme: warm paper, to match the rest of the site.
============================================================= */
.intro {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--paper-warm);
  display: none;
  overflow: hidden;
  color: var(--ink);
  isolation: isolate;
}
.js body.intro-active { overflow: hidden; }
.js body.intro-active .intro { display: block; }

/* Ambient warm glow behind the character */
.intro::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120vmin;
  height: 120vmin;
  background:
    radial-gradient(circle, rgba(245, 184, 46, 0.30) 0%, rgba(245, 184, 46, 0.10) 28%, transparent 58%);
  transform: translate(-50%, -50%) scale(0.4);
  opacity: 0;
  pointer-events: none;
  animation: introGlow 2.6s var(--ease-emphatic) 200ms forwards;
}
@keyframes introGlow {
  0%   { opacity: 0; transform: translate(-50%, -50%) scale(0.4); }
  40%  { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(1.3); }
}

/* Gold sparks — warm copper shadow, no white outer glow on light bg */
.intro__particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}
.intro__particles span {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--amber-warm);
  box-shadow: 0 0 6px rgba(233, 163, 21, 0.6), 0 0 14px rgba(245, 184, 46, 0.35);
  opacity: 0;
  animation: introSpark var(--life, 1800ms) var(--ease-out) var(--delay, 0ms) both;
}
@keyframes introSpark {
  0%   { opacity: 0; transform: translate(0, 0) scale(0); }
  30%  { opacity: 0.85; transform: translate(calc(var(--dx, 0) * 0.3), calc(var(--dy, 0) * 0.3)) scale(1); }
  100% { opacity: 0; transform: translate(var(--dx, 0), var(--dy, 0)) scale(0.2); }
}

.intro__stage {
  position: relative;
  z-index: 2;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(20px, 2.8vw, 36px);
  text-align: center;
  padding: var(--gutter);
}

.intro__char {
  width: clamp(120px, 16vw, 200px);
  height: auto;
  filter:
    drop-shadow(0 20px 40px rgba(178, 122, 6, 0.25))
    drop-shadow(0 0 24px rgba(245, 184, 46, 0.35));
  opacity: 0;
  transform: scale(0.6) rotate(-4deg);
  animation:
    introCharIn   900ms  var(--ease-emphatic) 120ms forwards,
    introFloat    6s     var(--ease-in-out)   1000ms infinite,
    introDissolve 700ms  var(--ease-in-out)   4300ms forwards;
}
@keyframes introCharIn {
  0%   { opacity: 0; transform: scale(0.6) rotate(-4deg); filter: blur(8px) drop-shadow(0 0 40px rgba(245,184,46,0.4)); }
  100% { opacity: 1; transform: scale(1)   rotate(0deg); filter: blur(0)  drop-shadow(0 20px 40px rgba(178, 122, 6, 0.25)) drop-shadow(0 0 24px rgba(245, 184, 46, 0.35)); }
}
@keyframes introFloat {
  0%, 100% { translate: 0 0; }
  50%      { translate: 0 -8px; }
}
@keyframes introDissolve {
  0%   { opacity: 1; filter: blur(0); transform: scale(1); }
  100% { opacity: 0; filter: blur(14px); transform: scale(1.15); }
}

/* Wordmark — ink on paper, letter stagger */
.intro__brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(48px, 8vw, 120px);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--ink);
  margin: 0;
}
.intro__brand .letter {
  display: inline-block;
  opacity: 0;
  transform: translateY(40px) rotate(12deg) scale(0.8);
  filter: blur(8px);
  animation:
    introLetter   700ms var(--ease-emphatic) calc(700ms + var(--i, 0) * 80ms) forwards,
    introDissolve 700ms var(--ease-in-out)   4300ms                          forwards;
}
@keyframes introLetter {
  0%   { opacity: 0; transform: translateY(40px) rotate(12deg) scale(0.8); filter: blur(8px); }
  60%  { opacity: 1; }
  100% { opacity: 1; transform: translateY(0)    rotate(0deg)  scale(1);   filter: blur(0); }
}

.intro__sub {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  letter-spacing: var(--track-uppercase);
  text-transform: uppercase;
  color: var(--ink-soft);
  opacity: 0;
  animation:
    introSubIn     600ms var(--ease-out) 2200ms forwards,
    introDissolve  500ms var(--ease-in-out) 4400ms forwards;
}
@keyframes introSubIn {
  0%   { opacity: 0; transform: translateY(12px); letter-spacing: 0.3em; }
  100% { opacity: 0.85; transform: translateY(0); letter-spacing: var(--track-uppercase); }
}

/* Skip pill — ink-themed for light bg */
.intro__skip {
  position: absolute;
  right: var(--gutter);
  bottom: clamp(24px, 3vh, 36px);
  z-index: 3;
  padding: 10px 16px;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: var(--track-uppercase);
  text-transform: uppercase;
  color: var(--ink-faint);
  background: transparent;
  border: 1px solid rgba(11, 15, 26, 0.14);
  border-radius: var(--radius-pill);
  cursor: pointer;
  opacity: 0;
  transition: color var(--dur-fast), border-color var(--dur-fast), background var(--dur-fast);
  animation: introSkipIn 400ms var(--ease-out) 1000ms forwards;
}
.intro__skip:hover {
  color: var(--ink);
  border-color: var(--ink-soft);
  background: rgba(11, 15, 26, 0.04);
}
@keyframes introSkipIn {
  0%   { opacity: 0; transform: translateY(6px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* Curtain fade — now fades into router's paper-warm surface */
.intro.is-leaving {
  animation: introCurtain 800ms var(--ease-in-out) 4700ms forwards;
  pointer-events: none;
}
@keyframes introCurtain {
  0%   { opacity: 1; }
  100% { opacity: 0; visibility: hidden; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .intro__char,
  .intro__brand .letter,
  .intro__sub,
  .intro__skip {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    animation: none !important;
  }
  .intro.is-leaving { animation: none; opacity: 0; visibility: hidden; transition: opacity 0.2s; }
}