/* ============================================================
   domofonsistem.bg — Демо концепция (DPWeb) · v3
   Светла професионална тема — тежест, йерархия, сдържаност
   Акцент: електриково синьо · спомагателно зелено
   ============================================================ */

:root {
  --bg:      #f6f8fc;
  --panel:   #ffffff;
  --bg-soft: #eef2f9;

  --ink:     #0b1b38;
  --text:    #22314d;
  --muted:   #5c6b86;
  --faint:   #8d9bb4;

  --line:    #e3e9f4;
  --line-2:  #d3ddec;

  --blue:    #1f5ae0;
  --blue-h:  #1747c4;
  --blue-bg: #eaf1fe;
  --green:   #0e9f6e;
  --green-bg:#e4f6ef;
  --amber:   #d97706;

  --navy:    #0d2248;
  --navy-2:  #143568;

  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;

  --sh: 0 1px 2px rgba(16, 34, 76, .05), 0 10px 28px -18px rgba(16, 34, 76, .22);
  --sh-lg: 0 2px 4px rgba(16, 34, 76, .05), 0 26px 60px -28px rgba(16, 34, 76, .35);

  --ease: cubic-bezier(.2, .7, .25, 1);
  --header-h: 72px;
  --font: 'Inter', ui-sans-serif, system-ui, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

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

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, p, ul { margin: 0; }
ul { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
img { max-width: 100%; }
::selection { background: rgba(31, 90, 224, .16); }

.ic {
  width: 20px; height: 20px;
  display: inline-block;
  vertical-align: middle;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.container { width: min(1200px, 92%); margin-inline: auto; }
.section { padding: clamp(84px, 10vw, 128px) 0; position: relative; }

/* ленти-секции за ритъм */
.section.alt  { background: var(--panel); border-block: 1px solid var(--line); }
.section.tint { background: linear-gradient(180deg, #f6f8fc, #eef3fb); border-block: 1px solid var(--line); }

body.menu-open { overflow: hidden; }

/* ---------- reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s ease var(--rd, 0s), transform .7s var(--ease) var(--rd, 0s);
  will-change: opacity, transform;
}
[data-reveal].revealed { opacity: 1; transform: none; }

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, .92);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-in { display: flex; align-items: center; gap: 1.2rem; height: var(--header-h); }

.brand { display: inline-flex; align-items: center; gap: .75rem; }
.brand-ic {
  width: 40px; height: 40px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(160deg, #10294f 0%, #16376e 100%);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .08), 0 6px 14px -8px rgba(13, 34, 72, .7);
  position: relative;
}
.brand-ic .ic { width: 24px; height: 24px; stroke-width: 1.7; }
.brand-ic::after {
  content: '';
  position: absolute;
  top: 7px; right: 7px;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: #2fd79b;
  box-shadow: 0 0 6px rgba(47, 215, 155, .95);
}
.brand-logo {
  height: 48px;
  width: auto;
  display: block;
}
.footer .brand-logo { height: 36px; }
.brand-txt { font-size: 1.71rem; font-weight: 800; letter-spacing: -.025em; color: var(--ink); }
.footer .brand-txt { font-size: 1.35rem; }
.brand-txt em { font-style: normal; color: var(--blue); }
.brand-demo { display: none; }

.main-nav { margin-left: auto; display: flex; align-items: center; gap: 1.9rem; }
.main-nav > a:not(.nav-cta) {
  font-size: .98rem;
  font-weight: 700;
  color: #33456e;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: .45rem 0;
  border-bottom: 2px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}
.main-nav > a:not(.nav-cta):hover { color: var(--ink); }
.main-nav > a.active { color: var(--ink); border-bottom-color: var(--blue); }
.main-nav .nav-cta {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-weight: 700;
  font-size: .92rem;
  color: #fff;
  background: linear-gradient(180deg, #2f6bff 0%, #1c4fd6 100%);
  border: 1px solid rgba(10, 35, 110, .35);
  border-radius: 10px;
  padding: .62rem 1.1rem;
  box-shadow: 0 12px 24px -14px rgba(28, 79, 214, .9), inset 0 1px 0 rgba(255, 255, 255, .2);
  transition: background .2s ease, transform .2s ease;
  white-space: nowrap;
}
.main-nav .nav-cta:hover { background: linear-gradient(180deg, #2458e8 0%, #163fb4 100%); transform: translateY(-1px); }
.main-nav .nav-cta .ic { width: 16px; height: 16px; }

.burger {
  display: none;
  margin-left: auto;
  width: 44px; height: 44px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line-2);
  background: #fff;
  place-items: center;
  color: var(--ink);
}
.burger .ic { width: 21px; height: 21px; }
.burger .ic-close { display: none; }
body.menu-open .burger .ic-open { display: none; }
body.menu-open .burger .ic-close { display: inline-block; }

/* ---------- надписи / kicker ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}
.eyebrow::before {
  content: '';
  width: 22px; height: 2px;
  background: var(--blue);
}
.sec-head .eyebrow { justify-content: center; }
.sec-head .eyebrow::before { display: none; }
.sec-head .eyebrow { color: var(--blue); font-size: .74rem; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  font-weight: 700;
  font-size: .95rem;
  line-height: 1;
  padding: 1rem 1.6rem;
  border-radius: 10px;
  border: 1px solid transparent;
  transition: background .2s ease, border-color .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn .ic { width: 1.05em; height: 1.05em; }
.btn-primary {
  color: #fff;
  background: linear-gradient(180deg, #2f6bff 0%, #1c4fd6 100%);
  border-color: rgba(10, 35, 110, .35);
  box-shadow: 0 16px 30px -14px rgba(28, 79, 214, .8), inset 0 1px 0 rgba(255, 255, 255, .22);
}
.btn-primary:hover { background: linear-gradient(180deg, #2458e8 0%, #163fb4 100%); transform: translateY(-1px); box-shadow: 0 20px 36px -14px rgba(28, 79, 214, .95), inset 0 1px 0 rgba(255, 255, 255, .2); }
.btn-ghost {
  background: none;
  border: 0;
  color: var(--blue);
  padding: .9rem .15rem;
  box-shadow: none;
  border-radius: 0;
}
.btn-ghost .ic { transition: transform .25s var(--ease); }
.btn-ghost:hover { color: var(--blue-h); }
.btn-ghost:hover .ic { transform: translateX(3px); }
.btn-light { background: #fff; color: var(--navy); box-shadow: 0 14px 30px -18px rgba(0, 0, 0, .55); }
.btn-light:hover { transform: translateY(-1px); }
.btn-outline-light {
  color: #fff;
  border-color: rgba(255, 255, 255, .45);
  background: rgba(255, 255, 255, .05);
}
.btn-outline-light:hover { background: rgba(255, 255, 255, .16); border-color: rgba(255, 255, 255, .8); }
.btn-outline {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line-2);
  box-shadow: 0 8px 18px -14px rgba(16, 34, 76, .4);
}
.btn-outline:hover { border-color: var(--blue); color: var(--blue); }

/* ============================================================
   HERO (начало)
   ============================================================ */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(1100px 520px at 88% -12%, rgba(31, 90, 224, .10), transparent 60%),
    linear-gradient(180deg, #eef3fb 0%, #f8fafd 58%, #f6f8fc 100%);
  border-bottom: 1px solid var(--line);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(900px 420px at 78% -8%, rgba(31, 90, 224, .08), transparent 62%);
  pointer-events: none;
}
.hero-in {
  position: relative;
  z-index: 2;
  min-height: calc(100svh - var(--header-h));
  display: grid;
  grid-template-columns: 1.06fr .94fr;
  align-items: center;
  gap: clamp(2.5rem, 6vw, 5.5rem);
  padding: clamp(56px, 9vh, 110px) 0;
}

.hero-copy h1 {
  font-size: clamp(2.2rem, 3.9vw, 3.35rem);
  line-height: 1.07;
  font-weight: 800;
  letter-spacing: -.035em;
  color: var(--ink);
  margin: 1.2rem 0 1.15rem;
  text-wrap: balance;
}
.hero-copy h1 .thin { color: var(--ink); }
.hero-copy .lead {
  max-width: 33rem;
  color: var(--muted);
  font-size: clamp(1rem, 1.25vw, 1.1rem);
  line-height: 1.7;
  margin-bottom: 2.1rem;
}
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: .9rem; margin-bottom: 2.1rem; }
.btn-arrow .ic { transition: transform .25s var(--ease); }
.btn-arrow:hover .ic { transform: translateX(3px); }

.hero-ticks {
  display: flex;
  flex-wrap: wrap;
  row-gap: .7rem;
}
.hero-ticks li {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .86rem;
  font-weight: 600;
  color: var(--muted);
  padding-right: 1.3rem;
  margin-right: 1.3rem;
  border-right: 1px solid var(--line-2);
}
.hero-ticks li:last-child { border-right: 0; margin-right: 0; padding-right: 0; }
.hero-ticks .ic { width: 16px; height: 16px; color: var(--green); stroke-width: 2.4; }

/* ---------- подзаглавия на секции ---------- */
.sec-head { max-width: 700px; margin: 0 auto clamp(2.6rem, 5vw, 3.4rem); text-align: center; }
.sec-head h2 {
  font-size: clamp(1.75rem, 3.2vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -.025em;
  line-height: 1.12;
  color: var(--ink);
  margin-top: .8rem;
  text-wrap: balance;
}
.sec-head .lead { color: var(--muted); margin-top: 1rem; font-size: 1rem; line-height: 1.7; }

/* ============================================================
   Интерактивен домофон — модерен видео интерфейс
   ============================================================ */
.hero-device { display: flex; justify-content: center; align-items: center; }

/* подиум за устройството */
.stage {
  position: relative;
  width: 100%;
  max-width: 396px;
  border-radius: 18px;
  padding: 14px 14px 16px;
  background:
    radial-gradient(130% 100% at 88% -14%, rgba(56, 120, 255, .18), transparent 55%),
    linear-gradient(160deg, #0b1f44 0%, #112b5e 70%, #0e2550 100%);
  border: 1px solid rgba(96, 146, 235, .24);
  box-shadow: 0 50px 110px -44px rgba(8, 22, 52, .95), 0 1px 0 rgba(255, 255, 255, .05) inset;
}
.stage-top {
  position: relative;
  display: flex;
  align-items: center;
  gap: .55rem;
  padding: 2px 2px 12px;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: #b6cbf2;
}
.stage-top::after {
  content: '';
  margin-left: auto;
  width: 3px; height: 3px;
  border-radius: 50%;
  background: rgba(150, 190, 255, .4);
}
.stage-top i {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: #2fd79b;
  box-shadow: 0 0 8px rgba(47, 215, 155, .9);
}
.stage .intercom { width: 100%; }

.intercom {
  width: min(356px, 100%);
  border-radius: 18px;
  padding: 12px;
  background: linear-gradient(180deg, #fbfcff 0%, #e6ecf6 100%);
  border: 1px solid #d6dfee;
  box-shadow: 0 34px 80px -36px rgba(13, 34, 72, .55), 0 1px 0 rgba(255, 255, 255, .9) inset;
  transition: border-color .4s ease, box-shadow .4s ease;
}
.intercom.connected,
.intercom.unlocked { border-color: rgba(14, 159, 110, .55); }

.ic-top {
  display: flex;
  align-items: center;
  gap: .65rem;
  padding: 2px 4px 10px;
}
.led {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #b9c5d9;
  transition: background .3s ease, box-shadow .3s ease;
}
.intercom.ringing .led { background: var(--amber); box-shadow: 0 0 0 3px rgba(217, 119, 6, .18); animation: ledpulse 1s ease-in-out infinite; }
.intercom.connected .led,
.intercom.unlocked .led { background: var(--green); box-shadow: 0 0 0 3px rgba(14, 159, 110, .16); }
@keyframes ledpulse { 50% { opacity: .4; } }
.ic-brand {
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .1em;
  color: #2e4166;
}
.ic-model {
  margin-left: auto;
  font-family: ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .03em;
  color: #3d5075;
  border: 1px solid #c9d5e8;
  border-radius: 4px;
  padding: .16rem .5rem;
  background: #ffffff;
}

.ic-screen {
  position: relative;
  overflow: hidden;
  height: 336px;
  border-radius: 12px;
  background:
    radial-gradient(120% 70% at 50% -10%, rgba(31, 90, 224, .28), transparent 60%),
    linear-gradient(180deg, #0b1830 0%, #101f3e 100%);
  border: 1px solid rgba(4, 10, 26, .9);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .06), inset 0 -24px 48px -32px rgba(0, 0, 0, .9), 0 18px 40px -20px rgba(4, 12, 34, .7);
}

/* камера — горна зона */
.cam {
  position: relative;
  height: 128px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(13, 26, 52, .2), rgba(16, 31, 62, .65)),
    radial-gradient(90px 60px at 78% 26%, rgba(47, 110, 240, .4), transparent 70%);
  border-bottom: 1px solid rgba(148, 178, 255, .14);
}
.cam::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 178, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 178, 255, .05) 1px, transparent 1px);
  background-size: 26px 26px;
}
.cam-feed {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .5;
  filter: saturate(.85) brightness(.9);
  transition: transform .4s var(--ease), opacity .4s ease;
}
.intercom.ringing .cam-feed { animation: camzoom 2.6s ease-in-out infinite alternate; }
@keyframes camzoom { from { transform: scale(1.02); } to { transform: scale(1.09); } }
.intercom.unlocked .cam-feed { opacity: .42; }
.cam::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 17, 38, .25) 0%, rgba(8, 17, 38, .55) 100%);
}
.cam-tag {
  position: absolute;
  top: 10px; left: 12px;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: #e6efff;
  background: rgba(8, 18, 40, .78);
  border: 1px solid rgba(148, 178, 255, .35);
  border-radius: 4px;
  padding: .2rem .5rem;
}
.cam-tag::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: #6b82b3; }
.intercom.connected .cam-tag::before,
.intercom.unlocked .cam-tag::before { background: var(--green); box-shadow: 0 0 8px var(--green); }
.cam-tag.rec::after { content: 'REC'; display: none; }

/* скен линия при звънене */
.scanline {
  position: absolute;
  left: 0; right: 0;
  height: 46px;
  background: linear-gradient(180deg, transparent, rgba(96, 165, 250, .16), transparent);
  top: -46px;
  pointer-events: none;
}
.intercom.ringing .scanline,
.intercom.connected .scanline { animation: scan 2.4s linear infinite; }
@keyframes scan { to { top: 100%; } }

/* статус */
.s-body { position: relative; height: calc(336px - 128px); }
.status {
  position: absolute;
  inset: 0 0 auto 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 14px 16px 0;
  text-align: center;
  z-index: 2;
}
.st-icon {
  position: relative;
  width: 34px; height: 34px;
  margin-bottom: 9px;
  display: grid;
  place-items: center;
}
.st-icon svg {
  position: absolute;
  width: 30px; height: 30px;
  transition: opacity .3s ease, transform .4s var(--ease);
  opacity: 0;
  transform: scale(.55);
}
.st-icon .s-lock  { color: #7fa3ff; }
.st-icon .s-bell  { color: #fbbf24; }
.st-icon .s-phone { color: #6ee7b7; }
.st-icon .s-ok    { color: #34d399; stroke-width: 2.6; }
.intercom .st-icon .s-lock { opacity: 1; transform: scale(1); }
.intercom.ringing .st-icon .s-lock { opacity: 0; transform: scale(.5); }
.intercom.ringing .st-icon .s-bell { opacity: 1; transform: scale(1); animation: bellring .55s ease-in-out 2; }
.intercom.connected .st-icon .s-bell { opacity: 0; transform: scale(.5); }
.intercom.connected .st-icon .s-phone { opacity: 1; transform: scale(1); }
.intercom.unlocked .st-icon .s-phone { opacity: 0; transform: scale(.5); }
.intercom.unlocked .st-icon .s-ok { opacity: 1; transform: scale(1); animation: okpop .45s var(--ease); }
@keyframes bellring { 0%, 100% { transform: scale(1); } 25% { transform: scale(1.14) rotate(-7deg); } 75% { transform: scale(1.14) rotate(7deg); } }
@keyframes okpop { 0% { transform: scale(.2); } 62% { transform: scale(1.3); } 100% { transform: scale(1); } }

.st-txt { font-size: 1.16rem; font-weight: 800; letter-spacing: -.01em; color: #ffffff; }
.st-sub { font-size: .84rem; color: #b9cbf2; margin-top: 3px; }
.intercom.unlocked .st-txt { color: #6ee7b7; }

/* звукова вълна — тънка, спокойна */
.eq {
  position: absolute;
  z-index: 2;
  left: 0; right: 0;
  bottom: 74px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  opacity: 0;
  transition: opacity .3s ease;
  pointer-events: none;
}
.intercom.ringing .eq,
.intercom.connected .eq { opacity: 1; }
.eq i {
  width: 2.5px;
  height: 8px;
  border-radius: 2px;
  background: #5b8def;
  transform: scaleY(.3);
  transition: background .3s;
}
.intercom.connected .eq i { background: #3ecf9a; }
.intercom.ringing .eq i { animation: eqbounce .55s ease-in-out infinite; }
.intercom.connected .eq i { animation: eqbounce .8s ease-in-out infinite; }
.eq i:nth-child(1) { animation-delay: 0s; }
.eq i:nth-child(2) { animation-delay: .07s; }
.eq i:nth-child(3) { animation-delay: .14s; }
.eq i:nth-child(4) { animation-delay: .03s; }
.eq i:nth-child(5) { animation-delay: .17s; }
.eq i:nth-child(6) { animation-delay: .1s; }
.eq i:nth-child(7) { animation-delay: .21s; }
@keyframes eqbounce { 0%, 100% { transform: scaleY(.25); } 50% { transform: scaleY(1.2); } }

/* врата — отключване (мини линеен чертеж) */
.door-mini {
  position: absolute;
  right: 16px;
  bottom: 10px;
  width: 64px;
  height: 64px;
  opacity: .85;
  transition: opacity .3s ease;
}
.dm-frame {
  position: absolute;
  inset: 0;
  border: 1.5px solid rgba(148, 178, 255, .55);
  border-radius: 5px;
}
.dm-leaf {
  position: absolute;
  top: 3px; left: 3px; bottom: 3px;
  width: 44%;
  border-radius: 3px 0 0 3px;
  background: rgba(120, 160, 255, .16);
  border-right: 1px solid rgba(190, 210, 255, .5);
  transform-origin: left center;
  transition: transform .8s var(--ease), background .4s ease;
}
.dm-leaf::after {
  content: '';
  position: absolute;
  right: 6px; top: 50%;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: #cfe0ff;
  transform: translateY(-50%);
}
.intercom.unlocked .dm-leaf {
  transform: rotateY(112deg);
  background: rgba(62, 207, 154, .35);
  border-right-color: transparent;
}
.dm-glow {
  position: absolute;
  inset: -6px;
  border-radius: 8px;
  background: radial-gradient(60% 70% at 40% 50%, rgba(62, 207, 154, .3), transparent 70%);
  opacity: 0;
  transition: opacity .6s ease .5s;
}
.intercom.unlocked .dm-glow { opacity: 1; }

/* светлинен ефект при отключване */
.sweep {
  position: absolute;
  inset: -14%;
  background: linear-gradient(100deg, transparent 34%, rgba(140, 200, 255, .12) 50%, transparent 66%);
  transform: translateX(-140%) skewX(-10deg);
  pointer-events: none;
  z-index: 3;
}
.intercom.unlocked .sweep { animation: sweepmove .9s var(--ease) 1; }
@keyframes sweepmove { to { transform: translateX(140%) skewX(-10deg); } }

.ringfx {
  position: absolute;
  left: 50%; top: 50%;
  width: 60px; height: 60px;
  margin: -30px 0 0 -30px;
  border-radius: 50%;
  border: 2px solid rgba(52, 211, 153, .9);
  opacity: 0;
  pointer-events: none;
  z-index: 3;
}
.intercom.unlocked .ringfx { animation: ringfx .8s var(--ease) .15s 1; }
@keyframes ringfx {
  0% { transform: scale(.5); opacity: .9; }
  100% { transform: scale(3.2); opacity: 0; }
}

/* ============================================================
   „Отваряне като врата“ — разкрива се фоайето (мега ефект)
   ============================================================ */
.foyer {
  position: absolute;
  inset: 0;
  z-index: 4;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  background: #081226;
  transition: opacity .5s ease 0s, visibility 0s linear .5s;
}
.intercom.unlocked .foyer {
  opacity: 1;
  visibility: visible;
  transition: opacity .55s ease .5s, visibility 0s linear .5s;
}
.foyer-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.24);
}
.intercom.unlocked .foyer-img { animation: foyerzoom 3s var(--ease) .5s forwards; }
@keyframes foyerzoom { to { transform: scale(1.02); } }
.foyer-vign {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(3, 9, 24, .62) 0%, rgba(3, 9, 24, .08) 26%, rgba(3, 9, 24, .1) 62%, rgba(3, 9, 24, .66) 100%);
}
.foyer-badge {
  position: absolute;
  top: 12px; left: 12px;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: .66rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: #e4fff3;
  background: rgba(4, 14, 32, .85);
  border: 1px solid rgba(80, 240, 180, .6);
  border-radius: 4px;
  padding: .24rem .55rem;
}
.foyer-badge i {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: #2fd79b;
  box-shadow: 0 0 8px #2fd79b;
  animation: blink 1.6s ease-in-out infinite;
}
.foyer-msg {
  position: absolute;
  left: 14px; right: 14px;
  bottom: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  text-align: center;
}
.foyer-msg b {
  color: #ffffff;
  font-size: 1.14rem;
  font-weight: 800;
  letter-spacing: .01em;
  text-shadow: 0 2px 18px rgba(0, 0, 0, .9);
}
.foyer-msg small {
  color: #edf4ff;
  font-size: .8rem;
  letter-spacing: .02em;
  text-shadow: 0 1px 12px rgba(0, 0, 0, .85);
}

/* две крила — вратата се отваря навън */
.dleaf {
  position: absolute;
  top: 0; bottom: 0;
  z-index: 6;
  width: 53%;
  opacity: 0;
  pointer-events: none;
  background:
    linear-gradient(105deg, rgba(255, 255, 255, .05), transparent 30%),
    linear-gradient(180deg, #0f2146 0%, #0a1730 55%, #0d1d3d 100%);
  box-shadow: 0 0 34px rgba(0, 0, 0, .6);
}
.dleaf-l {
  left: 0;
  transform-origin: left center;
  border-right: 1px solid rgba(130, 170, 255, .22);
}
.dleaf-r {
  right: 0;
  transform-origin: right center;
  border-left: 1px solid rgba(130, 170, 255, .22);
}
.intercom.unlocked .dleaf-l { animation: openDoorL 1.4s var(--ease) forwards; }
.intercom.unlocked .dleaf-r { animation: openDoorR 1.4s var(--ease) forwards; }
@keyframes openDoorL {
  0%   { opacity: 0; transform: perspective(1100px) rotateY(0); }
  6%   { opacity: 1; transform: perspective(1100px) rotateY(0); }
  100% { opacity: 1; transform: perspective(1100px) rotateY(-114deg); }
}
@keyframes openDoorR {
  0%   { opacity: 0; transform: perspective(1100px) rotateY(0); }
  6%   { opacity: 1; transform: perspective(1100px) rotateY(0); }
  100% { opacity: 1; transform: perspective(1100px) rotateY(114deg); }
}

/* контроли */
.ic-controls {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 12px 4px 4px;
}
.chip-slot {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  justify-self: start;
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .08em;
  color: #33456e;
  border: 1px solid #c9d5e8;
  border-radius: 8px;
  padding: .5rem .7rem;
  background: #ffffff;
}
.chip-slot .ic { width: 16px; height: 16px; }

.call-btn {
  position: relative;
  width: 62px; height: 62px;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 26%, #3f7bff, #1f5ae0 58%, #1747c4 100%);
  box-shadow: 0 14px 28px -10px rgba(31, 90, 224, .85), inset 0 1px 0 rgba(255, 255, 255, .35);
  display: grid;
  place-items: center;
  color: #fff;
  transition: transform .18s ease, box-shadow .3s ease;
}
.call-btn:hover { transform: scale(1.05); }
.call-btn:active { transform: scale(.95); }
.call-btn .ic { width: 24px; height: 24px; position: absolute; transition: opacity .3s ease, transform .35s var(--ease); }
.call-btn .ic-bell { opacity: 1; transform: scale(1); }
.call-btn .ic-phone, .call-btn .ic-ok { opacity: 0; transform: scale(.4); }
.call-btn .ic-phone { color: #d9fff0; }
.call-btn .ic-ok { color: #04281b; stroke-width: 3; }
.intercom.ringing .call-btn .ic-bell { opacity: 0; transform: scale(.4); }
.intercom.ringing .call-btn .ic-phone { opacity: 1; transform: scale(1); }
.intercom.connected .call-btn .ic-bell { opacity: 0; }
.intercom.connected .call-btn .ic-phone { opacity: 1; transform: scale(1); }
.intercom.unlocked .call-btn .ic-phone { opacity: 0; transform: scale(.4); }
.intercom.unlocked .call-btn .ic-ok { opacity: 1; transform: scale(1); }
.intercom.unlocked .call-btn {
  background: radial-gradient(circle at 32% 26%, #34d399, #0e9f6e 58%, #0b7d56 100%);
  box-shadow: 0 14px 28px -10px rgba(14, 159, 110, .9), inset 0 1px 0 rgba(255, 255, 255, .35);
}
/* пулс — дискретен */
.call-btn::before {
  content: '';
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  border: 1px solid rgba(31, 90, 224, .5);
  animation: ringpulse 2.6s var(--ease) infinite;
  pointer-events: none;
}
.intercom.ringing .call-btn::before,
.intercom.connected .call-btn::before,
.intercom.unlocked .call-btn::before { display: none; }
@keyframes ringpulse {
  0% { transform: scale(.94); opacity: .85; }
  70%, 100% { transform: scale(1.42); opacity: 0; }
}

.mic { display: inline-flex; flex-direction: column; gap: 4px; justify-self: end; opacity: .8; }
.mic span {
  width: 30px; height: 2.5px;
  border-radius: 2px;
  background: linear-gradient(90deg, #a9bce0, #d9e2f2);
}
.mic span:nth-child(2) { width: 20px; align-self: flex-end; }

.ic-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  margin-top: 9px;
  padding-top: 9px;
  border-top: 1px solid #dde5f1;
  font-size: .82rem;
  color: #4c5f84;
}
.ic-hint .ic { width: 15px; height: 15px; color: var(--green); }
.ic-hint strong { font-weight: 700; color: #24375c; }

/* ============================================================
   СНИМКИ / услуги
   ============================================================ */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.4rem;
}
.card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .25s var(--ease), border-color .25s ease, box-shadow .25s ease;
}
.card:hover {
  transform: translateY(-4px);
  border-color: #c3d2ec;
  box-shadow: var(--sh-lg);
}
.card-body { padding: 1.7rem 1.7rem 1.7rem; display: flex; flex-direction: column; flex: 1; }
.card-ic {
  width: 46px; height: 46px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: var(--blue);
  background: var(--blue-bg);
  border: 1px solid #d5e3fb;
  margin-bottom: 1.15rem;
  transition: background .25s ease, color .25s ease;
}
.card-ic .ic { width: 22px; height: 22px; stroke-width: 1.7; }
.card:hover .card-ic { background: var(--blue); color: #fff; border-color: var(--blue); }
.card h3 { font-size: 1.12rem; font-weight: 800; letter-spacing: -.01em; color: var(--ink); margin-bottom: .55rem; }
.card p { color: var(--muted); font-size: .92rem; line-height: 1.68; }
.card-tags { margin-top: auto; padding-top: 1.1rem; }
.card-tags li {
  display: inline;
  font-size: .8rem;
  font-weight: 600;
  color: var(--muted);
}
.card-tags li::after { content: '·'; margin: 0 .45rem; color: #c3cde0; }
.card-tags li:last-child::after { content: ''; }

/* карти услуги със снимка */
.card.has-media { padding: 0; }
.card-media { position: relative; height: 188px; overflow: hidden; background: #e8eef8; }
.card-media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .7s var(--ease); }
.card:hover .card-media img { transform: scale(1.06); }
.has-media .card-body { padding-top: 0; }
.has-media .card-ic { margin: -23px 0 0 1.7rem; box-shadow: 0 0 0 4px #fff; position: relative; z-index: 2; }

/* плочки услуги снимки (Начало) */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.svc {
  position: relative;
  display: block;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--ink);
  border: 1px solid var(--line);
  box-shadow: var(--sh);
  transition: transform .25s var(--ease), box-shadow .25s ease;
}
.svc:hover { transform: translateY(-4px); box-shadow: var(--sh-lg); }
.svc img {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center;
  display: block;
  opacity: .92;
  transition: transform .7s var(--ease), opacity .3s ease;
}
.svc:hover img { transform: scale(1.06); opacity: 1; }
.svc::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 27, 56, 0) 34%, rgba(11, 27, 56, .82) 100%);
}
.svc-cap {
  position: absolute;
  z-index: 2;
  left: 18px; right: 18px; bottom: 15px;
  color: #fff;
}
.svc-cap .svc-n {
  display: block;
  font-size: .66rem;
  font-weight: 800;
  letter-spacing: .22em;
  color: #9db8f5;
  margin-bottom: 4px;
}
.svc-cap .svc-t {
  display: block;
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.3;
}

/* мини тийзър (галерия на Начало) */
.tstrip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.1rem; }
.tile {
  position: relative;
  display: block;
  border-radius: var(--r-sm);
  overflow: hidden;
  border: 1px solid var(--line);
  aspect-ratio: 16 / 10.5;
  background: var(--ink);
}
.tile img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .6s var(--ease), opacity .3s ease; }
.tile::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(11, 27, 56, .8) 100%); }
.tile:hover img { transform: scale(1.07); }
.tile-cap {
  position: absolute;
  z-index: 2;
  left: 13px; right: 13px; bottom: 11px;
  color: #fff;
  font-size: .86rem;
  font-weight: 700;
  line-height: 1.3;
}
.center-cta { text-align: center; margin-top: 2.4rem; }

/* ============================================================
   Предимства (плоска, стегната)
   ============================================================ */
.feat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
}
.feat {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 1.6rem 1.5rem;
  position: relative;
  transition: transform .25s var(--ease), border-color .25s ease, box-shadow .25s ease;
}
.feat:hover { transform: translateY(-4px); border-color: #c3d2ec; box-shadow: var(--sh-lg); }
.feat::before {
  content: '';
  position: absolute;
  top: 0; left: 1.5rem; right: 1.5rem;
  height: 2px;
  background: var(--blue);
  opacity: 0;
  transition: opacity .25s ease;
}
.feat:hover::before { opacity: 1; }
.feat-ic {
  width: 42px; height: 42px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: var(--green);
  background: var(--green-bg);
  border: 1px solid #cdeee0;
  margin-bottom: 1.05rem;
}
.feat-ic .ic { width: 21px; height: 21px; stroke-width: 1.7; }
.feat h3 { font-size: 1.02rem; font-weight: 800; color: var(--ink); margin-bottom: .4rem; letter-spacing: -.01em; }
.feat p { font-size: .88rem; color: var(--muted); line-height: 1.65; }

/* ============================================================
   Процес (таблица-редове)
   ============================================================ */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow: var(--sh);
}
.step {
  padding: 2.2rem 1.9rem 2rem;
  position: relative;
}
.step + .step { border-left: 1px solid var(--line); }
.step-num {
  display: block;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--blue);
  margin-bottom: 1.5rem;
}
.step-num::after {
  content: '';
  display: block;
  width: 26px;
  height: 2px;
  background: var(--line-2);
  margin-top: .8rem;
}
.step h3 { font-size: 1.18rem; font-weight: 800; color: var(--ink); letter-spacing: -.01em; margin-bottom: .55rem; }
.step p { font-size: .92rem; color: var(--muted); line-height: 1.68; }
.steps-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 2.4rem;
  color: var(--muted);
  font-weight: 600;
  text-align: center;
}
.steps-cta .btn { padding: .85rem 1.4rem; }

/* ============================================================
   CTA лента (тъмносиня — тежест)
   ============================================================ */
.cta-card {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  border-radius: var(--r-lg);
  padding: clamp(2.2rem, 4.5vw, 3.4rem);
  background:
    radial-gradient(700px 320px at 88% -20%, rgba(56, 120, 255, .35), transparent 60%),
    linear-gradient(118deg, var(--navy) 0%, var(--navy-2) 60%, #123a72 100%);
  box-shadow: 0 30px 70px -34px rgba(13, 34, 72, .8);
}
.cta-card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, #2f6bff, #35d0a5 60%, #2f6bff);
  opacity: .9;
}
.cta-txt { position: relative; max-width: 540px; }
.cta-txt h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -.02em;
  color: #fff;
  margin: .5rem 0 .6rem;
}
.cta-txt p { color: rgba(226, 236, 255, .82); }
.cta-txt .eyebrow { color: #8fd6ff; }
.cta-txt .eyebrow::before { background: #35d0a5; }
.cta-actions { position: relative; display: flex; flex-wrap: wrap; gap: .8rem; }

/* ============================================================
   Контакти
   ============================================================ */
.grid-contact { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; margin-top: 1.8rem; }
.ccard {
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 1.6rem 1.5rem;
  transition: transform .25s var(--ease), border-color .25s ease, box-shadow .25s ease;
}
a.ccard:hover { transform: translateY(-4px); border-color: #bcd3f2; box-shadow: var(--sh-lg); }
.ccard-ic {
  width: 42px; height: 42px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: var(--blue);
  background: var(--blue-bg);
  border: 1px solid #d5e3fb;
  margin-bottom: 1.1rem;
}
.ccard-ic .ic { width: 20px; height: 20px; }
.ccard-label {
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--faint);
}
.ccard-value {
  font-size: 1.28rem;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink);
  margin-top: .3rem;
  overflow-wrap: break-word;
}
.ccard-value.is-mail {
  font-size: 1.06rem;
  white-space: nowrap;
  letter-spacing: -.015em;
}
.ccard-go {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  margin-top: auto;
  padding-top: 1.1rem;
  font-size: .8rem;
  font-weight: 700;
  color: var(--blue);
}
.ccard-go .ic { width: 15px; height: 15px; transition: transform .25s ease; }
a.ccard:hover .ccard-go .ic { transform: translateX(3px); }
.ccard-static .ccard-go { color: var(--muted); }

.note-box {
  margin-top: 1.3rem;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--r-sm);
  padding: .95rem 1.2rem;
  display: flex;
  align-items: center;
  gap: .8rem;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: .9rem;
}
.note-box .ic { width: 18px; height: 18px; color: var(--blue); }
.note-box strong { color: var(--ink); }

/* ============================================================
   Page hero (подстраници) + crumbs
   ============================================================ */
.page-hero {
  position: relative;
  padding: clamp(56px, 9vh, 96px) 0 clamp(44px, 6vh, 72px);
  text-align: center;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(760px 380px at 84% -30%, rgba(31, 90, 224, .09), transparent 60%),
    linear-gradient(180deg, #eef3fb 0%, #f8fafd 70%, #f6f8fc 100%);
}
.page-hero h1 {
  font-size: clamp(2.2rem, 4.6vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--ink);
  margin: 1rem auto .9rem;
  max-width: 900px;
  text-wrap: balance;
}
.page-hero .lead { max-width: 660px; margin: 0 auto; color: var(--muted); font-size: 1.02rem; line-height: 1.7; }
.crumbs {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--faint);
}
.crumbs a { color: var(--blue); }
.crumbs a:hover { text-decoration: underline; }
.crumbs .sep { opacity: .55; }

/* ============================================================
   Галерия
   ============================================================ */
.g-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.3rem; }
.g-item {
  margin: 0;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  cursor: zoom-in;
  transition: transform .25s var(--ease), border-color .25s ease, box-shadow .25s ease;
}
.g-item:hover,
.g-item:focus-visible {
  transform: translateY(-4px);
  border-color: #bcd3f2;
  box-shadow: var(--sh-lg);
  outline: none;
}
.g-item img {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform .7s var(--ease);
}
.g-item:hover img { transform: scale(1.05); }
.g-cap { padding: .95rem 1.1rem 1.05rem; }
.g-cap h3 { font-size: .98rem; font-weight: 800; color: var(--ink); letter-spacing: -.01em; }
.g-cap p { font-size: .82rem; color: var(--faint); margin-top: .1rem; line-height: 1.5; }

/* панорамен банер */
.band {
  position: relative;
  overflow: hidden;
  margin-top: 2.2rem;
  border-radius: var(--r-lg);
  box-shadow: var(--sh-lg);
}
.band > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.band::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(9, 20, 46, .9) 6%, rgba(11, 30, 66, .62) 42%, rgba(11, 30, 66, .14) 100%);
}
.band-in {
  position: relative;
  z-index: 2;
  min-height: 300px;
  padding: clamp(1.8rem, 4vw, 3rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.4rem;
  flex-wrap: wrap;
  color: #fff;
}
.band-in h3 {
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.2;
  max-width: 26ch;
  margin: .45rem 0 .6rem;
  text-shadow: 0 2px 16px rgba(0, 0, 0, .35);
}
.band-in p { color: rgba(226, 236, 255, .85); max-width: 44ch; }
.band-eyebrow {
  display: inline-flex;
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: #8fd6ff;
  border: 1px solid rgba(143, 214, 255, .4);
  border-radius: 4px;
  padding: .3rem .7rem;
  background: rgba(8, 18, 40, .35);
}
.band-actions { display: flex; flex-wrap: wrap; gap: .8rem; }

/* lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 95;
  display: grid;
  place-items: center;
  padding: 5vh 4vw;
  background: rgba(8, 16, 34, .92);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  animation: lbIn .22s ease;
}
.lightbox[hidden] { display: none; }
@keyframes lbIn { from { opacity: 0; } to { opacity: 1; } }
.lightbox figure { margin: 0; max-width: min(980px, 96vw); animation: lbZoom .3s var(--ease); }
@keyframes lbZoom { from { transform: scale(.95); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.lightbox img { width: 100%; max-height: 76vh; object-fit: contain; border-radius: var(--r-md); box-shadow: 0 40px 90px -30px rgba(0, 0, 0, .8); }
.lightbox figcaption { color: #dfe9fb; text-align: center; padding: .85rem .5rem 0; font-weight: 700; }
.lightbox figcaption small { display: block; font-weight: 500; color: #9db4dd; margin-top: .15rem; }
.lb-close {
  position: fixed;
  top: 18px; right: 18px;
  z-index: 96;
  width: 44px; height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .28);
  transition: background .2s ease;
}
.lb-close:hover { background: rgba(255, 255, 255, .28); }
.lb-close .ic { width: 20px; height: 20px; }
body.lb-open { overflow: hidden; }

/* ============================================================
   Footer
   ============================================================ */
.footer { background: #eef2f9; border-top: 1px solid var(--line); padding: 3.2rem 0 1.4rem; }
.footer-in { display: grid; grid-template-columns: 1.6fr 1fr 1.2fr; gap: 2.6rem; padding-bottom: 2.2rem; }
.f-brand p { color: var(--muted); font-size: .9rem; margin-top: 1.1rem; max-width: 36ch; line-height: 1.7; }
.f-title {
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 1.05rem;
}
.f-nav, .f-contact { display: flex; flex-direction: column; gap: .55rem; }
.f-nav a, .f-contact a { color: var(--muted); font-size: .92rem; transition: color .2s ease; width: fit-content; }
.f-nav a:hover, .f-contact a:hover { color: var(--blue); }
.f-nav a.active { color: var(--ink); font-weight: 700; }
.f-contact a { font-weight: 700; color: #33456e; white-space: nowrap; }
.f-hours { color: var(--faint); font-size: .84rem; margin-top: .5rem; }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .7rem;
  padding-top: 1.3rem;
  border-top: 1px solid #dde5f1;
  color: var(--faint);
  font-size: .82rem;
}
.footer-bottom a { color: var(--blue); font-weight: 700; }
.f-note { font-size: .76rem; }

/* callbar (мобилна) */
.callbar { display: none; }

:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; border-radius: 4px; }

/* ============================================================
   Адаптивност
   ============================================================ */
@media (max-width: 1100px) {
  .feat-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-contact { grid-template-columns: repeat(2, 1fr); }
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 960px) {
  .hero-in { grid-template-columns: 1fr; gap: 3rem; padding: 0 0 clamp(48px, 7vh, 72px); }
  .hero { text-align: center; }
  .hero-copy .lead { margin-inline: auto; }
  .hero-actions, .hero-ticks { justify-content: center; }
  .hero-ticks li { border-right: 0; padding-right: 0; margin-right: 0; }
  .hero-ticks li::after { content: ''; }
  .hero-device { order: 0; margin-top: 0; }
  .hero-copy { order: 1; }

  /* мобилен hero: размита снимка зад текста (четимост) */
  .hero::before {
    background:
      linear-gradient(rgba(242, 246, 252, .92), rgba(242, 246, 252, .95)),
      url('../img/outdoor-panel.webp') center 28% / cover no-repeat;
    filter: blur(6px);
  }

  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    z-index: 59;
    margin: 0;
    flex-direction: column;
    align-items: stretch;
    gap: .1rem;
    padding: .7rem 4% 1.3rem;
    background: rgba(255, 255, 255, .98);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    border-radius: 0 0 18px 18px;
    box-shadow: 0 34px 70px -28px rgba(13, 34, 72, .5);
    transform-origin: top center;
    transform: translateY(-18px) scale(.98);
    opacity: 0;
    visibility: hidden;
    transition: opacity .3s ease, transform .48s cubic-bezier(.18, 1.12, .26, 1), visibility .3s;
  }
  body.menu-open .main-nav { transform: translateY(0) scale(1); opacity: 1; visibility: visible; }

  /* елементи — каскадно влизане с лек „пружинен“ финал,
     при затваряне каскадата се обръща (меко излизане) */
  .main-nav > a:not(.nav-cta),
  .main-nav > a.nav-cta {
    opacity: 0;
    transform: translateX(-18px);
    transition-property: opacity, transform, color, background-color, border-color;
    transition-duration: .3s, .44s, .2s, .2s, .2s;
    transition-timing-function: ease, cubic-bezier(.18, 1.22, .3, 1), ease, ease, ease;
    transition-delay: var(--dc, 0s);
    border-radius: 8px;
  }
  .main-nav > a:nth-child(1) { --dc: .18s; }
  .main-nav > a:nth-child(2) { --dc: .13s; }
  .main-nav > a:nth-child(3) { --dc: .09s; }
  .main-nav > a:nth-child(4) { --dc: .05s; }
  .main-nav > a:nth-child(5) { --dc: 0s; }
  body.menu-open .main-nav > a:not(.nav-cta),
  body.menu-open .main-nav > a.nav-cta {
    opacity: 1;
    transform: translateX(0);
    transition-delay: var(--d, 0s);
  }
  body.menu-open .main-nav > a:nth-child(1) { --d: .06s; }
  body.menu-open .main-nav > a:nth-child(2) { --d: .11s; }
  body.menu-open .main-nav > a:nth-child(3) { --d: .16s; }
  body.menu-open .main-nav > a:nth-child(4) { --d: .21s; }
  body.menu-open .main-nav > a:nth-child(5) { --d: .28s; }

  .main-nav > a:not(.nav-cta) {
    padding: .85rem .7rem;
    font-size: 1.04rem;
    border-bottom: 1px solid var(--line);
  }
  .main-nav > a:not(.nav-cta):hover { background: rgba(31, 90, 224, .07); color: var(--ink); }
  .main-nav > a:hover { transition-delay: 0s; }
  .main-nav > a.active { border-bottom-color: var(--line); color: var(--ink); }
  .main-nav > a.active::after { content: '●'; float: right; color: var(--blue); font-size: .6rem; }
  .main-nav .nav-cta { margin-top: .8rem; justify-content: center; padding: .95rem 1.2rem; font-size: 1.02rem; }

  /* бургер — три чертички, които морфират в X */
  .burger { display: grid; position: relative; color: var(--ink); }
  .burger .bl {
    position: absolute;
    left: 50%; top: 50%;
    width: 20px; height: 2px;
    margin: -1px 0 0 -10px;
    border-radius: 2px;
    background: currentColor;
    transition: transform .38s var(--ease), opacity .22s ease, background .2s ease;
  }
  .burger .bl-1 { transform: translateY(-6px); }
  .burger .bl-2 { transform: translateY(0); }
  .burger .bl-3 { transform: translateY(6px); }
  body.menu-open .burger { border-color: #c3d4f2; background: #eaf1fe; color: var(--blue); }
  body.menu-open .burger .bl-1 { transform: translateY(0) rotate(45deg); }
  body.menu-open .burger .bl-2 { transform: translateX(8px) scaleX(.15); opacity: 0; }
  body.menu-open .burger .bl-3 { transform: translateY(0) rotate(-45deg); }

  /* затъмнен фон зад менюто (клик върху него затваря) */
  body::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 58;
    background: rgba(9, 18, 40, .46);
    opacity: 0;
    visibility: hidden;
    transition: opacity .3s ease, visibility .3s;
  }
  body.menu-open::after { opacity: 1; visibility: visible; }

  .steps { grid-template-columns: 1fr; max-width: 620px; margin-inline: auto; }
  .step + .step { border-left: 0; border-top: 1px solid var(--line); }
  .step-num { margin-bottom: 1rem; }
  .g-grid { grid-template-columns: repeat(2, 1fr); }
  .tstrip { grid-template-columns: repeat(2, 1fr); }
  .footer-in { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 700px) {
  .callbar {
    position: fixed;
    z-index: 70;
    left: 0; right: 0; bottom: 0;
    display: flex;
    gap: .55rem;
    padding: .65rem 4% calc(.65rem + env(safe-area-inset-bottom));
    background: rgba(255, 255, 255, .96);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border-top: 1px solid var(--line);
  }
  .callbar a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .45rem;
    border-radius: var(--r-sm);
    padding: .82rem 1rem;
    font-weight: 700;
    font-size: .92rem;
    line-height: 1;
    white-space: nowrap;
  }
  .callbar-uslugi { flex: 0 0 auto; color: var(--ink); border: 1px solid var(--line-2); background: #fff; }
  .callbar-call { flex: 1; color: #fff; background: var(--blue); box-shadow: 0 10px 24px -12px rgba(31, 90, 224, .9); white-space: nowrap; }
  .footer { padding-bottom: 5.8rem; }
}

@media (max-width: 600px) {
  .svc-grid { grid-template-columns: 1fr; }
  .feat-grid { grid-template-columns: 1fr; }
  .grid-contact { grid-template-columns: 1fr; }
  .footer-in { grid-template-columns: 1fr; gap: 1.8rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .intercom { width: min(340px, 100%); }
  .ic-screen { height: 320px; }
  .cam { height: 118px; }
  .s-body { height: calc(320px - 118px); }
  .brand-txt { font-size: 1.56rem; }
  .brand-logo { height: 39px; }
  .brand-demo { display: none; }
  .header-in { gap: .5rem; }
  .g-grid { grid-template-columns: 1fr; }
  .tstrip { grid-template-columns: 1fr 1fr; }
  .callbar-call { font-size: .92rem; letter-spacing: .01em; white-space: nowrap; min-width: 0; }
  .callbar-uslugi { flex-shrink: 0; }
  .callbar a { padding: .8rem .6rem; }
}

/* намалено движение */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
}