/* =========================================================================
   TOKENS
   ========================================================================= */
:root {
  --bg: #ecebe6;
  --bg-2: #e0ddd4;
  --ink: #18191a;
  --ink-2: #2a2b2c;
  --mute: rgba(24,25,26,0.55);
  --mute-2: rgba(24,25,26,0.35);
  --line: rgba(24,25,26,0.12);
  --line-2: rgba(24,25,26,0.06);
  --paper: rgba(255,255,255,0.55);
  --paper-strong: rgba(255,255,255,0.78);
  --glass-bg: rgba(255,255,255,0.42);
  --glass-bg-2: rgba(255,255,255,0.58);
  --glass-stroke: rgba(255,255,255,0.7);
  --accent: #2c4a2a;
  --accent-2: #5d7b3e;
  --warn: #b14a2a;
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --shadow-card: 0 24px 60px -30px rgba(24,25,26,0.35), 0 4px 18px -8px rgba(24,25,26,0.18);
  --shadow-soft: 0 8px 28px -14px rgba(24,25,26,0.25);
  --ff: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --ff-mono: "JetBrains Mono", "SF Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--ff);
  font-weight: 500;
  font-feature-settings: "ss01", "cv11";
  background: var(--bg);
  color: var(--ink);
  text-rendering: optimizeLegibility;
  letter-spacing: -0.01em;
  -webkit-text-size-adjust: 100%;
}

button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea { font-family: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }

/* =========================================================================
   APP SHELL
   ========================================================================= */
.app {
  min-height: 100vh;
  position: relative;
  overflow-x: clip;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(255,255,255,0.5), transparent 60%),
    radial-gradient(1000px 800px at 10% 110%, rgba(220,210,180,0.4), transparent 60%),
    var(--bg);
}

/* =========================================================================
   HEADER
   ========================================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  padding: 18px 32px;
}
.header-slot { display: flex; align-items: center; }
.header-slot.left  { justify-self: start; }
.header-slot.right { justify-self: end; }

.glass-pill {
  background: var(--glass-bg-2);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  backdrop-filter: blur(20px) saturate(140%);
  border: 1px solid var(--glass-stroke);
  border-radius: 999px;
  padding: 8px 14px;
  box-shadow: var(--shadow-soft);
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.glass-pill:hover { transform: translateY(-1px); }

.logo { display: flex; align-items: center; gap: 10px; padding: 2px 6px; }
.logo-text { display: flex; flex-direction: column; line-height: 1; text-align: left; }
.logo-main { font-weight: 800; font-size: 16px; letter-spacing: -0.02em; }
.logo-sub  { font-size: 10px; color: var(--mute); margin-top: 3px; letter-spacing: 0.04em; text-transform: uppercase; font-family: var(--ff-mono); }

.nav-pill {
  display: flex;
  gap: 4px;
  padding: 6px;
}
.nav-pill button {
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-2);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background .2s ease, color .2s ease;
}
.nav-pill button:hover { background: rgba(24,25,26,0.06); }
.nav-pill button.active {
  background: var(--ink);
  color: #f6f4ef;
}
.nav-pill button .dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent-2);
}
.nav-pill button.active .dot { background: var(--accent-2); }

.contact-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px 10px 8px;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: -0.01em;
}
.contact-pill .contact-ico {
  display: inline-grid;
  place-items: center;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--ink);
  color: #f6f4ef;
}

/* =========================================================================
   MOUNTAIN BACKDROP
   ========================================================================= */
.mountain-stage {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.mountain-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 58%;
  mix-blend-mode: multiply;
  opacity: 0.95;
  filter: blur(4px);
}
.mountain-fade {
  display: block;
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom,
      var(--bg) 0%,
      rgba(236,235,230,0.28) 14%,
      transparent 32%,
      transparent 68%,
      rgba(236,235,230,0.28) 86%,
      var(--bg) 100%
    );
}
.mountain-stage.subtle .mountain-img {
  opacity: 0.45;
  filter: blur(3px);
}
.mountain-stage.subtle .mountain-fade {
  background:
    linear-gradient(to bottom,
      var(--bg) 0%,
      rgba(236,235,230,0.75) 22%,
      rgba(236,235,230,0.55) 50%,
      rgba(236,235,230,0.75) 78%,
      var(--bg) 100%
    );
}

/* =========================================================================
   PAGES
   ========================================================================= */
.page {
  position: relative;
  max-width: 1440px;
  margin: 0 auto;
  padding: 24px 32px 80px;
  z-index: 1;
}

/* ---------- HOME ---------- */
.hero { position: relative; z-index: 2; text-align: center; padding: 56px 0 32px; }
.hero-eyebrow {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  justify-content: center;
}
.tag {
  background: var(--paper-strong);
  border: 1px solid var(--line);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.tag-mut {
  color: var(--mute);
  font-size: 12px;
  font-family: var(--ff-mono);
  letter-spacing: 0.04em;
}
.hero-title {
  font-size: clamp(20px, 8.7vw, 138px);
  line-height: 0.95;
  letter-spacing: -0.045em;
  font-weight: 800;
  margin: 0 0 28px;
  max-width: 100%;
  overflow-wrap: normal;
}
.hero-sub {
  display: inline-block;
  color: var(--ink);
  max-width: 640px;
  margin: 0 auto;
  font-size: 19px;
  font-weight: 600;
  line-height: 1.45;
  text-wrap: pretty;
  background: rgba(255,255,255,0.32);
  -webkit-backdrop-filter: blur(12px) saturate(130%);
  backdrop-filter: blur(12px) saturate(130%);
  border: 1px solid rgba(255,255,255,0.55);
  padding: 14px 26px;
  border-radius: 14px;
}

.format-row {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 48px 0 0;
  padding: 0 48px;
}

.glass-card {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(28px) saturate(150%);
  backdrop-filter: blur(28px) saturate(150%);
  border: 1px solid var(--glass-stroke);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.fmt-card {
  position: relative;
  text-align: left;
  padding: 24px 24px 22px;
  min-height: 340px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform .3s cubic-bezier(.2,.7,.2,1), box-shadow .3s ease;
  animation: rise .8s cubic-bezier(.2,.7,.2,1) both;
  background: rgba(255,255,255,0.38);
}
.fmt-card.delay-0 { animation-delay: .05s; --rest-y: 0px; }
.fmt-card.delay-1 { animation-delay: .15s; --rest-y: 20px; }
.fmt-card.delay-2 { animation-delay: .25s; --rest-y: -8px; }
.fmt-card { transform: translateY(var(--rest-y, 0px)); }
.fmt-card:hover {
  transform: translateY(calc(var(--rest-y, 0px) - 10px)) !important;
  box-shadow: 0 36px 80px -32px rgba(24,25,26,0.45), 0 6px 24px -10px rgba(24,25,26,0.2);
}

@keyframes rise {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; }
}

.fmt-top { display: flex; justify-content: space-between; }
.fmt-pill {
  display: inline-block;
  background: var(--paper-strong);
  border: 1px solid var(--line);
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--ink-2);
  line-height: 1.25;
  white-space: normal;
  max-width: 100%;
  text-align: center;
}
.fmt-icon {
  color: var(--ink);
  margin-top: 8px;
}
.fmt-body { margin-top: auto; }
.fmt-name {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.05;
}
.fmt-sub {
  font-size: 13px;
  color: var(--mute);
  margin-top: 4px;
}
.fmt-foot {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.fmt-price { display: flex; flex-direction: column; gap: 2px; }
.fmt-price .from { font-size: 11px; color: var(--mute); font-family: var(--ff-mono); text-transform: uppercase; letter-spacing: 0.06em; }
.fmt-price .amt  { font-size: 22px; font-weight: 800; letter-spacing: -0.02em; }
.fmt-price .per  { font-size: 11px; color: var(--mute); }
.fmt-arrow {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--ink);
  color: #f6f4ef;
  display: grid; place-items: center;
  font-size: 18px;
  transition: transform .25s ease;
}
.fmt-card:hover .fmt-arrow { transform: translateX(4px) rotate(-12deg); }

/* ---------- Flip cards (Главная: О нас / Почему мы / Контакты) ---------- */
.flip-card {
  position: relative;
  perspective: 1400px;
  min-height: 340px;
  background: transparent;
  animation: rise .8s cubic-bezier(.2,.7,.2,1) both;
  cursor: pointer;
  outline: none;
}
.flip-card.delay-0 { animation-delay: .05s; --rest-y: 0px; }
.flip-card.delay-1 { animation-delay: .15s; --rest-y: 20px; }
.flip-card.delay-2 { animation-delay: .25s; --rest-y: -8px; }
.flip-card { transform: translateY(var(--rest-y, 0px)); }
.flip-card:hover { transform: translateY(calc(var(--rest-y, 0px) - 10px)); }
.flip-card:focus-visible .flip-inner {
  box-shadow: 0 0 0 3px rgba(24,25,26,0.18);
  border-radius: var(--radius-card, 22px);
}

.flip-inner {
  position: relative;
  width: 100%;
  min-height: 340px;
  transition: transform .75s cubic-bezier(.2,.7,.2,1);
  transform-style: preserve-3d;
}
.flip-card.is-flipped .flip-inner { transform: rotateY(180deg); }

.flip-face {
  position: absolute;
  inset: 0;
  padding: 24px 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}
.flip-front { background: rgba(255,255,255,0.38); }
.flip-back  {
  transform: rotateY(180deg);
  background: var(--ink);
  color: #f6f4ef;
  border: 1px solid rgba(255,255,255,0.08);
}
.flip-back .fmt-pill {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.16);
  color: rgba(246,244,239,0.8);
}

.flip-hint {
  margin-top: auto;
  font-size: 11px;
  color: var(--mute);
  font-family: var(--ff-mono);
  letter-spacing: 0.04em;
  align-self: flex-end;
}
.flip-back .flip-hint { color: rgba(246,244,239,0.55); }

.flip-back-title {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.flip-back-body {
  font-size: 14px;
  line-height: 1.5;
  flex: 1;
  overflow-y: auto;
  padding-right: 4px;
}
.flip-back-body p { margin: 0 0 10px; }
.flip-back-body p:last-child { margin-bottom: 0; }

.info-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.info-list li { font-size: 13.5px; line-height: 1.5; }

.contact-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(246,244,239,0.14);
}
.contact-list li:last-child { border-bottom: none; }
.info-key {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(246,244,239,0.55);
  font-family: var(--ff-mono);
}
.info-val {
  color: #f6f4ef;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  transition: color .15s ease;
}
.info-val:hover { color: #ffffff; text-decoration: underline; }

.bottom-strip {
  position: relative;
  z-index: 2;
  margin-top: 56px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  padding: 0 32px;
}
.bottom-strip.single { grid-template-columns: 1fr; justify-items: center; padding: 0; }
.bottom-strip.single .strip-mid { justify-self: center; }
.strip-left, .strip-right { display: flex; flex-direction: column; }
.strip-right { align-items: flex-end; text-align: right; }
.big-num { font-size: 56px; font-weight: 800; letter-spacing: -0.04em; line-height: 1; }
.big-lbl { font-size: 12px; color: var(--mute); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 6px; font-family: var(--ff-mono); }
.strip-mid {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 10px 10px 10px 22px;
  font-size: 14px;
  font-weight: 500;
}
.cta-mini {
  background: var(--ink);
  color: #f6f4ef;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  transition: background .2s;
}
.cta-mini:hover { background: var(--accent); }

/* =========================================================================
   CALCULATOR
   ========================================================================= */
.calc-head {
  position: relative;
  z-index: 2;
  padding: 16px 0 36px;
}
.crumbs {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-family: var(--ff-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mute);
}
.crumb { color: var(--mute); }
.crumb:hover { color: var(--ink); }
.crumb-sep { color: var(--mute-2); }
.crumb-here { color: var(--ink); }

.calc-title {
  font-size: clamp(48px, 6vw, 88px);
  line-height: 0.95;
  letter-spacing: -0.04em;
  font-weight: 800;
  margin: 16px 0 12px;
  max-width: 14ch;
  text-wrap: pretty;
}
.calc-sub {
  color: var(--ink-2);
  font-size: 17px;
  max-width: 50ch;
  margin: 0;
}

.calc-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 20px;
}

.calc-form { padding: 32px; }
.calc-result {
  padding: 28px;
  position: sticky;
  top: 96px;
  align-self: start;
}

.step + .step { margin-top: 28px; padding-top: 28px; border-top: 1px solid var(--line); }
.step-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 16px; }
.step-n {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mute);
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 4px 8px;
  border-radius: 6px;
}
.step-title { font-size: 18px; font-weight: 700; letter-spacing: -0.015em; }

.fmt-pick { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.fmt-pick.small .fmt-pick-card { padding: 14px; min-height: auto; }
.fmt-pick-card {
  text-align: left;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: all .18s ease;
  min-height: 110px;
}
.fmt-pick-card:hover { background: var(--paper-strong); transform: translateY(-1px); }
.fmt-pick-card.on {
  background: var(--ink);
  color: #f6f4ef;
  border-color: var(--ink);
}
.fmt-pick-card.on .fmt-pick-sub,
.fmt-pick-card.on .fmt-pick-from { color: rgba(246,244,239,0.65); }
.fmt-pick-short { font-size: 15px; font-weight: 800; letter-spacing: -0.015em; }
.fmt-pick-sub   { font-size: 12px; color: var(--mute); line-height: 1.4; }
.fmt-pick-from  { font-size: 11px; color: var(--mute); margin-top: auto; font-family: var(--ff-mono); letter-spacing: 0.04em; }

.duration-row { display: flex; flex-wrap: wrap; gap: 8px; }
.dur-pill {
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--paper);
  border: 1px solid var(--line);
  font-size: 13px;
  font-weight: 600;
  transition: all .18s ease;
}
.dur-pill:hover:not(:disabled) { background: var(--paper-strong); }
.dur-pill.on { background: var(--ink); color: #f6f4ef; border-color: var(--ink); }
.dur-pill.off, .dur-pill:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  text-decoration: line-through;
}

/* Подвыбор внутри шага (например, А5/А4 для стендов) */
.sub-choice {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}
.sub-choice-label {
  display: block;
  font-size: 11px;
  font-family: var(--ff-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mute);
  margin-bottom: 8px;
}

.note {
  font-size: 12px;
  color: var(--mute);
  margin: 12px 0 0;
  padding: 10px 12px;
  background: var(--paper);
  border-radius: var(--radius-sm);
  border: 1px dashed var(--line);
}

.qty-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.qty-row.tight { gap: 8px; margin-top: 14px; }
.qty-btn {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--paper);
  border: 1px solid var(--line);
  font-size: 20px;
  font-weight: 600;
  transition: background .18s;
}
.qty-btn:hover { background: var(--paper-strong); }
.qty-input {
  width: 110px;
  height: 44px;
  border: 1px solid var(--line);
  background: var(--paper-strong);
  border-radius: 12px;
  text-align: center;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  outline: none;
  transition: border .18s, box-shadow .18s;
}
.qty-input:focus { border-color: var(--ink); box-shadow: 0 0 0 4px rgba(24,25,26,0.06); }
.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.qty-input { -moz-appearance: textfield; }
.qty-suffix { color: var(--mute); font-size: 13px; margin-left: 4px; }

.qty-quick { display: flex; gap: 6px; margin-left: 8px; }
.quick-pill {
  padding: 6px 12px;
  border-radius: 999px;
  background: transparent;
  border: 1px solid var(--line);
  font-size: 12px;
  font-weight: 600;
  color: var(--mute);
  transition: all .18s;
}
.quick-pill:hover { background: var(--paper-strong); color: var(--ink); }

.min-line {
  margin-top: 14px;
  font-size: 13px;
  color: var(--mute);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--paper);
  border: 1px solid var(--line);
}
.min-line.warn {
  background: rgba(177,74,42,0.08);
  border-color: rgba(177,74,42,0.25);
  color: var(--warn);
}

/* Result card */
.calc-result.dark {
  background: var(--ink);
  color: #f6f4ef;
  border: 1px solid rgba(255,255,255,0.08);
}
.res-eyebrow {
  font-size: 11px;
  font-family: var(--ff-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(246,244,239,0.55);
}
.res-total {
  font-size: 64px;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  margin: 14px 0 10px;
  font-feature-settings: "tnum";
}
.res-meta { font-size: 13px; color: rgba(246,244,239,0.7); }
.res-meta .dotsep { margin: 0 8px; opacity: 0.4; }
.res-divider { height: 1px; background: rgba(246,244,239,0.12); margin: 20px 0; }
.res-breakdown { list-style: none; margin: 0; padding: 0; }
.res-breakdown li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 8px 0;
  font-size: 13px;
}
.res-breakdown li span { color: rgba(246,244,239,0.55); }
.res-breakdown li strong { font-weight: 700; }
.res-fineprint {
  font-size: 12px;
  color: rgba(246,244,239,0.55);
  line-height: 1.5;
  margin: 0 0 18px;
}

.cta-big {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 18px 22px;
  background: #f6f4ef;
  color: var(--ink);
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.01em;
  transition: background .2s, transform .15s;
}
.cta-big:hover { background: var(--accent-2); color: #f6f4ef; transform: translateY(-1px); }
.cta-big.ghost { background: transparent; color: var(--ink); border: 1px solid var(--ink); }
.cta-big.ghost:hover { background: var(--ink); color: #f6f4ef; }
.cta-big.disabled { opacity: 0.45; cursor: not-allowed; }
.cta-big.disabled:hover { background: #f6f4ef; color: var(--ink); transform: none; }
.cta-arrow {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--ink);
  color: #f6f4ef;
  display: grid; place-items: center;
  font-size: 16px;
  transition: transform .2s;
}
.cta-big:hover .cta-arrow { transform: translateX(2px); background: #f6f4ef; color: var(--ink); }
.cta-big.ghost .cta-arrow { background: var(--ink); color: #f6f4ef; }

/* =========================================================================
   APPLY
   ========================================================================= */
.apply-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 20px;
}
.apply-form { padding: 32px; }
.apply-summary {
  background: var(--ink);
  color: #f6f4ef;
  padding: 28px;
  position: sticky;
  top: 96px;
  align-self: start;
}
.sum-block {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 0;
  font-size: 13px;
}
.sum-block span { color: rgba(246,244,239,0.6); }
.sum-block strong { font-weight: 700; }
.sum-total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.sum-total span { color: rgba(246,244,239,0.6); font-size: 13px; }
.sum-total strong { font-size: 28px; font-weight: 800; letter-spacing: -0.02em; }

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.field-row.single { grid-template-columns: 1fr; }
.field-row + .field-row { margin-top: 14px; }
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field-label {
  font-size: 11px;
  font-family: var(--ff-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mute);
}
.field-input, .textarea {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  font-size: 15px;
  outline: none;
  width: 100%;
  transition: border .18s, box-shadow .18s, background .18s;
  resize: vertical;
}
.field-input:focus, .textarea:focus {
  border-color: var(--ink);
  background: var(--paper-strong);
  box-shadow: 0 0 0 4px rgba(24,25,26,0.05);
}
.field-input::placeholder, .textarea::placeholder { color: var(--mute-2); }
.field.err .field-input { border-color: var(--warn); background: rgba(177,74,42,0.04); }
.field-error {
  font-size: 12px;
  color: var(--warn);
  font-family: var(--ff-mono);
}

.textarea { font-family: inherit; line-height: 1.5; }

.apply-foot {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}
.consent {
  font-size: 12px;
  color: var(--mute);
  margin: 0;
  max-width: 38ch;
  line-height: 1.5;
}
.apply-foot .cta-big {
  width: auto;
  min-width: 260px;
  flex: 0 0 auto;
}

/* ---------- Success ---------- */
.success {
  position: relative;
  z-index: 2;
  max-width: 720px;
  margin: 80px auto;
  padding: 48px;
  text-align: center;
}
.success-tick {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: var(--accent);
  color: #f6f4ef;
  display: grid; place-items: center;
  margin: 0 auto 24px;
}
.success h2 {
  font-size: 48px;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0 0 14px;
}
.success p {
  font-size: 17px;
  color: var(--ink-2);
  max-width: 44ch;
  margin: 0 auto 28px;
  line-height: 1.5;
}
.success-summary {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  padding: 20px;
  background: var(--paper);
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  margin-bottom: 28px;
  text-align: left;
}
.success-summary > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 13px;
  padding: 6px 4px;
}
.success-summary span { color: var(--mute); }
.success-summary strong { font-weight: 700; }
.success-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}
.success-actions .cta-big { width: auto; min-width: 240px; }

/* =========================================================================
   FOOTER
   ========================================================================= */
.site-foot {
  position: relative;
  z-index: 2;
  padding: 24px 32px 36px;
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--mute);
  font-family: var(--ff-mono);
  letter-spacing: 0.04em;
  border-top: 1px solid var(--line);
}
.dotsep { color: var(--mute-2); }

/* =========================================================================
   MOBILE BURGER & MENU
   ========================================================================= */
.mob-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  flex-shrink: 0;
}
.mob-burger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .22s ease, opacity .22s ease;
  pointer-events: none;
}
.mob-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mob-burger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.mob-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mob-menu {
  position: fixed;
  top: 72px;
  left: 12px;
  right: 12px;
  z-index: 49;
  padding: 8px;
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-md);
  animation: menuIn .2s cubic-bezier(.2,.7,.2,1);
}
.mob-menu button,
.mob-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 600;
  text-align: left;
  color: var(--ink);
  text-decoration: none;
  transition: background .15s;
  cursor: pointer;
}
.mob-menu button:hover,
.mob-menu a:hover  { background: rgba(24,25,26,0.06); }
.mob-menu button.active { background: rgba(24,25,26,0.09); }
.mob-menu a {
  border-top: 1px solid var(--line);
  margin-top: 6px;
  padding-top: 16px;
  color: var(--accent);
}
@keyframes menuIn {
  from { opacity: 0; transform: translateY(-8px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0)   scale(1); }
}

/* =========================================================================
   INFO BLOCK (нижний блок «О компании» на главной)
   ========================================================================= */
.info-block {
  position: relative;
  z-index: 2;
  margin-top: 72px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.info-block-head {
  display: flex;
  justify-content: center;
  margin-bottom: 24px;
}

/* =========================================================================
   PRODUCT MODAL (открывается с главной по клику на карточку товара)
   ========================================================================= */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(24,25,26,0.55);
  -webkit-backdrop-filter: blur(8px) saturate(120%);
  backdrop-filter: blur(8px) saturate(120%);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: overlayIn .2s ease;
}
@keyframes overlayIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal {
  background: var(--bg);
  border-radius: var(--radius-lg);
  width: min(1100px, 96vw);
  max-height: 92vh;
  max-height: 92dvh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  position: relative;
  padding: 28px;
  box-shadow: 0 30px 80px -20px rgba(0,0,0,0.5);
  animation: modalIn .25s cubic-bezier(.2,.7,.2,1);
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(20px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0)    scale(1); }
}

.modal-close {
  position: absolute;
  top: max(14px, env(safe-area-inset-top));
  right: max(14px, env(safe-area-inset-right));
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--paper-strong);
  color: var(--ink);
  font-size: 24px;
  line-height: 1;
  display: grid;
  place-items: center;
  z-index: 5;
  transition: background .15s, color .15s, transform .15s;
}
.modal-close:hover { background: var(--ink); color: #f6f4ef; transform: rotate(90deg); }

/* --- Product grid: 2 миниатюры слева, описание + кнопка справа --- */
.product-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: 22px;
  align-items: start;
}

.product-photos {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
/* Ярлык на обложке (для стендов) — деликатный, чтобы не отвлекать от фото */
.cover-label {
  position: absolute;
  left: 8px;
  bottom: 8px;
  padding: 4px 10px;
  background: rgba(24,25,26,0.35);
  color: rgba(246,244,239,0.85);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: 6px;
  pointer-events: none;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.product-photo-thumb {
  position: relative;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #18191a;
  aspect-ratio: 4 / 3;
  cursor: zoom-in;
  padding: 0;
  transition: transform .2s, box-shadow .2s;
}
.product-photo-thumb:hover { transform: translateY(-2px); box-shadow: var(--shadow-soft); }
.product-photo-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.zoom-hint {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  background: rgba(24,25,26,0.78);
  color: #f6f4ef;
  font-size: 14px;
  border-radius: 8px;
  pointer-events: none;
  opacity: 0;
  transition: opacity .15s ease;
}
.product-photo-thumb:hover .zoom-hint,
.product-photo-thumb:focus-visible .zoom-hint { opacity: 1; }
/* На тач-устройствах подсказку показываем всегда */
@media (hover: none) {
  .zoom-hint { opacity: 0.85; }
}

.zoom-overlay {
  position: fixed;
  inset: 0;
  z-index: 1100;
  background: rgba(0,0,0,0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: max(40px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
  cursor: zoom-out;
  animation: overlayIn .2s ease;
}
.zoom-overlay img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  user-select: none;
  -webkit-user-drag: none;
}
.zoom-overlay .zoom-close {
  position: fixed;
  top: max(16px, calc(env(safe-area-inset-top) + 12px));
  right: max(16px, calc(env(safe-area-inset-right) + 12px));
  z-index: 1101;
  background: rgba(255,255,255,0.95);
  color: var(--ink);
}
.zoom-overlay .zoom-close:hover { background: #fff; color: var(--ink); }
.zoom-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: rgba(255,255,255,0.9);
  color: var(--ink);
  font-size: 34px;
  line-height: 1;
  display: grid;
  place-items: center;
  z-index: 1101;
  padding-bottom: 6px;
  transition: background .15s, transform .15s;
}
.zoom-nav:hover { background: #fff; }
.zoom-nav.prev { left: max(16px, env(safe-area-inset-left)); }
.zoom-nav.next { right: max(16px, env(safe-area-inset-right)); }
.zoom-counter {
  position: fixed;
  bottom: max(20px, calc(env(safe-area-inset-bottom) + 16px));
  left: 50%;
  transform: translateX(-50%);
  padding: 8px 16px;
  background: rgba(0,0,0,0.55);
  color: #f6f4ef;
  border-radius: 999px;
  font-size: 13px;
  font-family: var(--ff-mono);
  letter-spacing: 0.04em;
  z-index: 1101;
}

.product-side {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.product-desc {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
  min-height: 0;
}
.product-desc .fmt-pill { align-self: flex-start; }
.product-desc h3 {
  margin: 4px 0 6px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.product-desc p {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-2);
}
.product-desc p strong { color: var(--ink); font-weight: 700; }
.product-desc a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: 600;
}
.product-desc a:hover { text-decoration-thickness: 2px; }
.product-note {
  font-size: 12px;
  color: var(--mute);
  font-style: italic;
}

/* Списки маршрутов в описаниях товаров */
.route-list {
  margin: 2px 0 6px;
  padding-left: 18px;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--ink-2);
}
.route-list li { margin-bottom: 4px; }
.route-list li b { color: var(--ink); font-weight: 700; }

/* Нумерованный список «Почему именно мы?» */
.info-list.numbered {
  list-style: decimal;
  padding-left: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.info-list.numbered li {
  padding-left: 4px;
  font-size: 13px;
  line-height: 1.5;
}
.info-list.numbered li b { font-size: 13.5px; color: var(--ink); }
/* На тёмной обратной стороне flip-карточки текст «Почему мы» — светлый */
.flip-back .info-list.numbered li b { color: #f6f4ef; }

.product-side .cta-big { margin-top: auto; align-self: stretch; }

/* =========================================================================
   RESPONSIVE — Medium ≤960px  (hide contact pill, keep nav)
   ========================================================================= */
@media (max-width: 960px) {
  .contact-pill { display: none; }
  .site-header  { grid-template-columns: 1fr auto; }
}

/* =========================================================================
   RESPONSIVE — Tablet ≤1024px
   ========================================================================= */
@media (max-width: 1024px) {
  .calc-grid, .apply-grid {
    grid-template-columns: 1fr;
  }
  .calc-result, .apply-summary {
    position: static;
  }

  /* Format cards: stack vertically, remove stagger */
  .format-row {
    grid-template-columns: 1fr;
    padding: 0;
    gap: 14px;
  }
  .fmt-card {
    min-height: 0;
    transform: none !important;
    flex-direction: row;
    align-items: center;
    flex-wrap: nowrap;
    padding: 18px 20px;
    gap: 16px;
  }
  .fmt-card:hover { transform: translateY(-4px) !important; box-shadow: 0 28px 60px -24px rgba(24,25,26,0.38); }
  .fmt-top  { display: none; }
  .fmt-icon { margin: 0; flex-shrink: 0; }
  .fmt-body { flex: 1; min-width: 0; }
  .fmt-foot { flex-direction: column; align-items: flex-end; padding-top: 0; border-top: none; margin-top: 0; flex-shrink: 0; gap: 6px; }
  .fmt-price .amt { font-size: 18px; }

  /* Flip cards: stack vertically, оставляем переворот, уменьшаем высоту */
  .flip-card {
    min-height: 260px;
    transform: none !important;
  }
  .flip-card:hover { transform: translateY(-4px) !important; }
  .flip-inner { min-height: 260px; }
  .flip-face { padding: 18px 20px; }

  /* Bottom strip */
  .bottom-strip {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 0;
    gap: 20px;
  }
  .strip-left, .strip-right { align-items: center; text-align: center; }
  .strip-mid { justify-content: center; }
}

/* =========================================================================
   RESPONSIVE — Mobile ≤768px
   ========================================================================= */
@media (max-width: 768px) {
  /* Header */
  .site-header {
    grid-template-columns: 1fr auto;
    padding: 10px 14px;
    gap: 8px;
  }
  .header-slot.center,
  .contact-pill { display: none !important; }
  .mob-burger   { display: flex; }

  /* Pages */
  .page { padding: 14px 14px 72px; }

  /* Hero */
  .hero { padding: 32px 0 16px; }
  .hero-title {
    margin-bottom: 18px;
    letter-spacing: -0.04em;
  }
  .hero-sub {
    font-size: 14px;
    font-weight: 500;
    line-height: 1.45;
    padding: 12px 16px;
    max-width: 100%;
  }
  .hero-eyebrow { margin-bottom: 14px; }

  /* Format cards on mobile */
  .format-row { margin: 24px 0 0; gap: 10px; }
  .fmt-price .from { display: none; }
  .fmt-price .amt  { font-size: 16px; }
  .fmt-price .per  { font-size: 10px; }
  .fmt-arrow { width: 34px; height: 34px; font-size: 14px; }

  /* Bottom strip */
  .big-num  { font-size: 40px; }
  .big-lbl  { font-size: 10px; }
  .strip-mid { font-size: 13px; flex-wrap: wrap; gap: 10px; padding: 12px 16px; }
  .cta-mini { font-size: 13px; padding: 8px 14px; }

  /* Breadcrumbs + titles */
  .calc-head  { padding: 8px 0 20px; }
  .calc-title { font-size: clamp(32px, 10vw, 56px); margin-bottom: 8px; }
  .calc-sub   { font-size: 14px; }
  .crumbs     { font-size: 11px; }

  /* Calculator form/result */
  .calc-form,
  .calc-result { padding: 18px 16px; }
  .step + .step { margin-top: 22px; padding-top: 22px; }
  .step-title  { font-size: 16px; }
  .step-n      { font-size: 10px; }

  /* Format picker in calc */
  .fmt-pick     { grid-template-columns: 1fr 1fr; gap: 8px; }
  .fmt-pick-card { padding: 12px; min-height: 80px; }
  .fmt-pick-short { font-size: 13px; }
  .fmt-pick-sub   { font-size: 11px; }
  .fmt-pick-from  { font-size: 10px; }

  /* Duration pills */
  .duration-row { gap: 6px; }
  .dur-pill     { font-size: 13px; padding: 9px 12px; }

  /* Quantity control — bigger touch targets */
  .qty-row  { gap: 8px; flex-wrap: wrap; }
  .qty-btn  { width: 50px; height: 50px; border-radius: 14px; font-size: 24px; }
  .qty-input { width: 88px; height: 50px; font-size: 20px; border-radius: 14px; }
  .qty-quick { margin-left: 4px; }
  .quick-pill { font-size: 12px; padding: 7px 10px; }
  .min-line   { font-size: 12px; padding: 9px 12px; }
  .note       { font-size: 11px; }

  /* Result card */
  .res-total   { font-size: 48px; }
  .res-eyebrow { font-size: 10px; }
  .res-meta    { font-size: 12px; }
  .res-breakdown li { font-size: 12px; padding: 6px 0; }
  .res-fineprint { font-size: 11px; }

  /* Apply form */
  .apply-form, .apply-summary { padding: 18px 16px; }
  .field-row   { grid-template-columns: 1fr; gap: 12px; }
  .field-row + .field-row { margin-top: 12px; }
  .field-input,
  .textarea    { padding: 13px 14px; font-size: 16px; } /* 16px: блокирует авто-зум на iOS */
  .field-label { font-size: 10px; }
  .apply-foot  { flex-direction: column; align-items: stretch; gap: 14px; margin-top: 24px; padding-top: 20px; }
  .apply-foot .cta-big { width: 100%; min-width: 0; }
  .consent     { max-width: none; font-size: 11px; }

  /* CTAs */
  .cta-big     { padding: 15px 18px; font-size: 15px; gap: 12px; }
  .cta-arrow   { width: 28px; height: 28px; font-size: 14px; flex-shrink: 0; }

  /* Summary sidebar */
  .sum-block  { font-size: 13px; }
  .sum-total strong { font-size: 28px; }
  .res-divider { margin: 14px 0; }

  /* Success screen */
  .success { padding: 28px 20px; margin: 30px auto; }
  .success-tick { width: 60px; height: 60px; }
  .success h2   { font-size: 32px; }
  .success p    { font-size: 14px; }
  .success-summary { grid-template-columns: 1fr; gap: 0; }
  .success-summary > div { padding: 8px 4px; border-bottom: 1px solid var(--line-2); }
  .success-actions { flex-direction: column; gap: 10px; }
  .success-actions .cta-big { min-width: 0; width: 100%; }

  /* Footer */
  .site-foot { padding: 18px 14px 28px; justify-content: center; text-align: center; }

  /* Info-block (нижний «О компании») */
  .info-block { margin-top: 48px; padding-top: 24px; }
  .info-block-head { margin-bottom: 16px; }

  /* Модалка товара: вертикальный стек, меньшие отступы */
  .modal-overlay { padding: 0; align-items: stretch; }
  .modal {
    width: 100%;
    max-width: 100%;
    max-height: 100vh;
    max-height: 100dvh;
    height: 100vh;
    height: 100dvh;
    border-radius: 0;
    padding: calc(72px + env(safe-area-inset-top)) 16px calc(24px + env(safe-area-inset-bottom));
  }
  .modal-close {
    top: max(16px, calc(env(safe-area-inset-top) + 12px));
    right: max(16px, calc(env(safe-area-inset-right) + 12px));
    width: 46px;
    height: 46px;
    background: var(--ink);
    color: #f6f4ef;
    box-shadow: 0 6px 18px -6px rgba(0,0,0,0.4);
  }
  .modal-close:hover { background: var(--ink); color: #f6f4ef; }
  .product-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  /* На мобильном фото идут сверху одна рядом с другой */
  .product-photos {
    flex-direction: row;
    gap: 8px;
  }
  .product-photo-thumb { flex: 1; aspect-ratio: 4 / 3; }
  .product-desc h3 { font-size: 20px; }
  .product-desc p  { font-size: 13.5px; }
  /* Ярлыки на обложках стендов на мобильном — почти незаметные */
  .cover-label {
    left: 6px;
    bottom: 6px;
    padding: 3px 8px;
    font-size: 9.5px;
    background: rgba(24,25,26,0.28);
    color: rgba(246,244,239,0.75);
  }
}

/* =========================================================================
   RESPONSIVE — Small mobile ≤420px
   ========================================================================= */
@media (max-width: 420px) {
  .fmt-pick   { grid-template-columns: 1fr; }
  .logo-sub   { display: none; }
  .logo-main  { font-size: 15px; }
  .res-total  { font-size: 38px; }
  .sum-total strong { font-size: 22px; }
  .calc-title { font-size: 28px; }
  .big-num    { font-size: 34px; }
}